Annotation of loncom/interface/loncommon.pm, revision 1.776
1.10 albertel 1: # The LearningOnline Network with CAPA
1.1 albertel 2: # a pile of common routines
1.10 albertel 3: #
1.776 ! bisitz 4: # $Id: loncommon.pm,v 1.775 2009/03/21 21:41:14 bisitz Exp $
1.10 albertel 5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: #
26: # http://www.lon-capa.org/
27: #
1.1 albertel 28:
29: # Makes a table out of the previous attempts
1.2 albertel 30: # Inputs result_from_symbread, user, domain, course_id
1.16 harris41 31: # Reads in non-network-related .tab files
1.1 albertel 32:
1.35 matthew 33: # POD header:
34:
1.45 matthew 35: =pod
36:
1.35 matthew 37: =head1 NAME
38:
39: Apache::loncommon - pile of common routines
40:
41: =head1 SYNOPSIS
42:
1.112 bowersj2 43: Common routines for manipulating connections, student answers,
44: domains, common Javascript fragments, etc.
1.35 matthew 45:
1.112 bowersj2 46: =head1 OVERVIEW
1.35 matthew 47:
1.112 bowersj2 48: A collection of commonly used subroutines that don't have a natural
49: home anywhere else. This collection helps remove
1.35 matthew 50: redundancy from other modules and increase efficiency of memory usage.
51:
52: =cut
53:
54: # End of POD header
1.1 albertel 55: package Apache::loncommon;
56:
57: use strict;
1.258 albertel 58: use Apache::lonnet;
1.46 matthew 59: use GDBM_File;
1.51 www 60: use POSIX qw(strftime mktime);
1.82 www 61: use Apache::lonmenu();
1.498 albertel 62: use Apache::lonenc();
1.117 www 63: use Apache::lonlocal;
1.685 tempelho 64: use Apache::lonnet();
1.139 matthew 65: use HTML::Entities;
1.334 albertel 66: use Apache::lonhtmlcommon();
67: use Apache::loncoursedata();
1.344 albertel 68: use Apache::lontexconvert();
1.444 albertel 69: use Apache::lonclonecourse();
1.479 albertel 70: use LONCAPA qw(:DEFAULT :match);
1.657 raeburn 71: use DateTime::TimeZone;
1.687 raeburn 72: use DateTime::Locale::Catalog;
1.117 www 73:
1.517 raeburn 74: # ---------------------------------------------- Designs
75: use vars qw(%defaultdesign);
76:
1.22 www 77: my $readit;
78:
1.517 raeburn 79:
1.157 matthew 80: ##
81: ## Global Variables
82: ##
1.46 matthew 83:
1.643 foxr 84:
85: # ----------------------------------------------- SSI with retries:
86: #
87:
88: =pod
89:
1.648 raeburn 90: =head1 Server Side include with retries:
1.643 foxr 91:
92: =over 4
93:
1.648 raeburn 94: =item * &ssi_with_retries(resource,retries form)
1.643 foxr 95:
96: Performs an ssi with some number of retries. Retries continue either
97: until the result is ok or until the retry count supplied by the
98: caller is exhausted.
99:
100: Inputs:
1.648 raeburn 101:
102: =over 4
103:
1.643 foxr 104: resource - Identifies the resource to insert.
1.648 raeburn 105:
1.643 foxr 106: retries - Count of the number of retries allowed.
1.648 raeburn 107:
1.643 foxr 108: form - Hash that identifies the rendering options.
109:
1.648 raeburn 110: =back
111:
112: Returns:
113:
114: =over 4
115:
1.643 foxr 116: content - The content of the response. If retries were exhausted this is empty.
1.648 raeburn 117:
1.643 foxr 118: response - The response from the last attempt (which may or may not have been successful.
119:
1.648 raeburn 120: =back
121:
122: =back
123:
1.643 foxr 124: =cut
125:
126: sub ssi_with_retries {
127: my ($resource, $retries, %form) = @_;
128:
129:
130: my $ok = 0; # True if we got a good response.
131: my $content;
132: my $response;
133:
134: # Try to get the ssi done. within the retries count:
135:
136: do {
137: ($content, $response) = &Apache::lonnet::ssi($resource, %form);
138: $ok = $response->is_success;
1.650 www 139: if (!$ok) {
140: &Apache::lonnet::logthis("Failed ssi_with_retries on $resource: ".$response->is_success.', '.$response->code.', '.$response->message);
141: }
1.643 foxr 142: $retries--;
143: } while (!$ok && ($retries > 0));
144:
145: if (!$ok) {
146: $content = ''; # On error return an empty content.
147: }
148: return ($content, $response);
149:
150: }
151:
152:
153:
1.20 www 154: # ----------------------------------------------- Filetypes/Languages/Copyright
1.12 harris41 155: my %language;
1.124 www 156: my %supported_language;
1.12 harris41 157: my %cprtag;
1.192 taceyjo1 158: my %scprtag;
1.351 www 159: my %fe; my %fd; my %fm;
1.41 ng 160: my %category_extensions;
1.12 harris41 161:
1.46 matthew 162: # ---------------------------------------------- Thesaurus variables
1.144 matthew 163: #
164: # %Keywords:
165: # A hash used by &keyword to determine if a word is considered a keyword.
166: # $thesaurus_db_file
167: # Scalar containing the full path to the thesaurus database.
1.46 matthew 168:
169: my %Keywords;
170: my $thesaurus_db_file;
171:
1.144 matthew 172: #
173: # Initialize values from language.tab, copyright.tab, filetypes.tab,
174: # thesaurus.tab, and filecategories.tab.
175: #
1.18 www 176: BEGIN {
1.46 matthew 177: # Variable initialization
178: $thesaurus_db_file = $Apache::lonnet::perlvar{'lonTabDir'}."/thesaurus.db";
179: #
1.22 www 180: unless ($readit) {
1.12 harris41 181: # ------------------------------------------------------------------- languages
182: {
1.158 raeburn 183: my $langtabfile = $Apache::lonnet::perlvar{'lonTabDir'}.
184: '/language.tab';
185: if ( open(my $fh,"<$langtabfile") ) {
1.356 albertel 186: while (my $line = <$fh>) {
187: next if ($line=~/^\#/);
188: chomp($line);
189: my ($key,$two,$country,$three,$enc,$val,$sup)=(split(/\t/,$line));
1.158 raeburn 190: $language{$key}=$val.' - '.$enc;
191: if ($sup) {
192: $supported_language{$key}=$sup;
193: }
194: }
195: close($fh);
196: }
1.12 harris41 197: }
198: # ------------------------------------------------------------------ copyrights
199: {
1.158 raeburn 200: my $copyrightfile = $Apache::lonnet::perlvar{'lonIncludes'}.
201: '/copyright.tab';
202: if ( open (my $fh,"<$copyrightfile") ) {
1.356 albertel 203: while (my $line = <$fh>) {
204: next if ($line=~/^\#/);
205: chomp($line);
206: my ($key,$val)=(split(/\s+/,$line,2));
1.158 raeburn 207: $cprtag{$key}=$val;
208: }
209: close($fh);
210: }
1.12 harris41 211: }
1.351 www 212: # ----------------------------------------------------------- source copyrights
1.192 taceyjo1 213: {
214: my $sourcecopyrightfile = $Apache::lonnet::perlvar{'lonIncludes'}.
215: '/source_copyright.tab';
216: if ( open (my $fh,"<$sourcecopyrightfile") ) {
1.356 albertel 217: while (my $line = <$fh>) {
218: next if ($line =~ /^\#/);
219: chomp($line);
220: my ($key,$val)=(split(/\s+/,$line,2));
1.192 taceyjo1 221: $scprtag{$key}=$val;
222: }
223: close($fh);
224: }
225: }
1.63 www 226:
1.517 raeburn 227: # -------------------------------------------------------------- default domain designs
1.63 www 228: my $designdir=$Apache::lonnet::perlvar{'lonTabDir'}.'/lonDomColors';
1.517 raeburn 229: my $designfile = $designdir.'/default.tab';
230: if ( open (my $fh,"<$designfile") ) {
231: while (my $line = <$fh>) {
232: next if ($line =~ /^\#/);
233: chomp($line);
234: my ($key,$val)=(split(/\=/,$line));
235: if ($val) { $defaultdesign{$key}=$val; }
236: }
237: close($fh);
1.63 www 238: }
239:
1.15 harris41 240: # ------------------------------------------------------------- file categories
241: {
1.158 raeburn 242: my $categoryfile = $Apache::lonnet::perlvar{'lonTabDir'}.
243: '/filecategories.tab';
244: if ( open (my $fh,"<$categoryfile") ) {
1.356 albertel 245: while (my $line = <$fh>) {
246: next if ($line =~ /^\#/);
247: chomp($line);
248: my ($extension,$category)=(split(/\s+/,$line,2));
1.158 raeburn 249: push @{$category_extensions{lc($category)}},$extension;
250: }
251: close($fh);
252: }
253:
1.15 harris41 254: }
1.12 harris41 255: # ------------------------------------------------------------------ file types
256: {
1.158 raeburn 257: my $typesfile = $Apache::lonnet::perlvar{'lonTabDir'}.
258: '/filetypes.tab';
259: if ( open (my $fh,"<$typesfile") ) {
1.356 albertel 260: while (my $line = <$fh>) {
261: next if ($line =~ /^\#/);
262: chomp($line);
263: my ($ending,$emb,$mime,$descr)=split(/\s+/,$line,4);
1.158 raeburn 264: if ($descr ne '') {
265: $fe{$ending}=lc($emb);
266: $fd{$ending}=$descr;
1.351 www 267: if ($mime ne 'unk') { $fm{$ending}=$mime; }
1.158 raeburn 268: }
269: }
270: close($fh);
271: }
1.12 harris41 272: }
1.22 www 273: &Apache::lonnet::logthis(
1.705 tempelho 274: "<span style='color:yellow;'>INFO: Read file types</span>");
1.22 www 275: $readit=1;
1.46 matthew 276: } # end of unless($readit)
1.32 matthew 277:
278: }
1.112 bowersj2 279:
1.42 matthew 280: ###############################################################
281: ## HTML and Javascript Helper Functions ##
282: ###############################################################
283:
284: =pod
285:
1.112 bowersj2 286: =head1 HTML and Javascript Functions
1.42 matthew 287:
1.112 bowersj2 288: =over 4
289:
1.648 raeburn 290: =item * &browser_and_searcher_javascript()
1.112 bowersj2 291:
292: X<browsing, javascript>X<searching, javascript>Returns a string
293: containing javascript with two functions, C<openbrowser> and
294: C<opensearcher>. Returned string does not contain E<lt>scriptE<gt>
295: tags.
1.42 matthew 296:
1.648 raeburn 297: =item * &openbrowser(formname,elementname,only,omit) [javascript]
1.42 matthew 298:
299: inputs: formname, elementname, only, omit
300:
301: formname and elementname indicate the name of the html form and name of
302: the element that the results of the browsing selection are to be placed in.
303:
304: Specifying 'only' will restrict the browser to displaying only files
1.185 www 305: with the given extension. Can be a comma separated list.
1.42 matthew 306:
307: Specifying 'omit' will restrict the browser to NOT displaying files
1.185 www 308: with the given extension. Can be a comma separated list.
1.42 matthew 309:
1.648 raeburn 310: =item * &opensearcher(formname,elementname) [javascript]
1.42 matthew 311:
312: Inputs: formname, elementname
313:
314: formname and elementname specify the name of the html form and the name
315: of the element the selection from the search results will be placed in.
1.542 raeburn 316:
1.42 matthew 317: =cut
318:
319: sub browser_and_searcher_javascript {
1.199 albertel 320: my ($mode)=@_;
321: if (!defined($mode)) { $mode='edit'; }
1.453 albertel 322: my $resurl=&escape_single(&lastresurl());
1.42 matthew 323: return <<END;
1.219 albertel 324: // <!-- BEGIN LON-CAPA Internal
1.50 matthew 325: var editbrowser = null;
1.135 albertel 326: function openbrowser(formname,elementname,only,omit,titleelement) {
1.170 www 327: var url = '$resurl/?';
1.42 matthew 328: if (editbrowser == null) {
329: url += 'launch=1&';
330: }
331: url += 'catalogmode=interactive&';
1.199 albertel 332: url += 'mode=$mode&';
1.611 albertel 333: url += 'inhibitmenu=yes&';
1.42 matthew 334: url += 'form=' + formname + '&';
335: if (only != null) {
336: url += 'only=' + only + '&';
1.217 albertel 337: } else {
338: url += 'only=&';
339: }
1.42 matthew 340: if (omit != null) {
341: url += 'omit=' + omit + '&';
1.217 albertel 342: } else {
343: url += 'omit=&';
344: }
1.135 albertel 345: if (titleelement != null) {
346: url += 'titleelement=' + titleelement + '&';
1.217 albertel 347: } else {
348: url += 'titleelement=&';
349: }
1.42 matthew 350: url += 'element=' + elementname + '';
351: var title = 'Browser';
1.435 albertel 352: var options = 'scrollbars=1,resizable=1,menubar=0,toolbar=1,location=1';
1.42 matthew 353: options += ',width=700,height=600';
354: editbrowser = open(url,title,options,'1');
355: editbrowser.focus();
356: }
357: var editsearcher;
1.135 albertel 358: function opensearcher(formname,elementname,titleelement) {
1.42 matthew 359: var url = '/adm/searchcat?';
360: if (editsearcher == null) {
361: url += 'launch=1&';
362: }
363: url += 'catalogmode=interactive&';
1.199 albertel 364: url += 'mode=$mode&';
1.42 matthew 365: url += 'form=' + formname + '&';
1.135 albertel 366: if (titleelement != null) {
367: url += 'titleelement=' + titleelement + '&';
1.217 albertel 368: } else {
369: url += 'titleelement=&';
370: }
1.42 matthew 371: url += 'element=' + elementname + '';
372: var title = 'Search';
1.435 albertel 373: var options = 'scrollbars=1,resizable=1,menubar=0,toolbar=1,location=1';
1.42 matthew 374: options += ',width=700,height=600';
375: editsearcher = open(url,title,options,'1');
376: editsearcher.focus();
377: }
1.219 albertel 378: // END LON-CAPA Internal -->
1.42 matthew 379: END
1.170 www 380: }
381:
382: sub lastresurl {
1.258 albertel 383: if ($env{'environment.lastresurl'}) {
384: return $env{'environment.lastresurl'}
1.170 www 385: } else {
386: return '/res';
387: }
388: }
389:
390: sub storeresurl {
391: my $resurl=&Apache::lonnet::clutter(shift);
392: unless ($resurl=~/^\/res/) { return 0; }
393: $resurl=~s/\/$//;
394: &Apache::lonnet::put('environment',{'lastresurl' => $resurl});
1.646 raeburn 395: &Apache::lonnet::appenv({'environment.lastresurl' => $resurl});
1.170 www 396: return 1;
1.42 matthew 397: }
398:
1.74 www 399: sub studentbrowser_javascript {
1.111 www 400: unless (
1.258 albertel 401: (($env{'request.course.id'}) &&
1.302 albertel 402: (&Apache::lonnet::allowed('srm',$env{'request.course.id'})
403: || &Apache::lonnet::allowed('srm',$env{'request.course.id'}.
404: '/'.$env{'request.course.sec'})
405: ))
1.258 albertel 406: || ($env{'request.role'}=~/^(au|dc|su)/)
1.111 www 407: ) { return ''; }
1.74 www 408: return (<<'ENDSTDBRW');
1.776 ! bisitz 409: <script type="text/javascript" language="Javascript">
1.74 www 410: var stdeditbrowser;
1.558 albertel 411: function openstdbrowser(formname,uname,udom,roleflag,ignorefilter) {
1.74 www 412: var url = '/adm/pickstudent?';
413: var filter;
1.558 albertel 414: if (!ignorefilter) {
415: eval('filter=document.'+formname+'.'+uname+'.value;');
416: }
1.74 www 417: if (filter != null) {
418: if (filter != '') {
419: url += 'filter='+filter+'&';
420: }
421: }
422: url += 'form=' + formname + '&unameelement='+uname+
423: '&udomelement='+udom;
1.111 www 424: if (roleflag) { url+="&roles=1"; }
1.102 www 425: var title = 'Student_Browser';
1.74 www 426: var options = 'scrollbars=1,resizable=1,menubar=0';
427: options += ',width=700,height=600';
428: stdeditbrowser = open(url,title,options,'1');
429: stdeditbrowser.focus();
430: }
431: </script>
432: ENDSTDBRW
433: }
1.42 matthew 434:
1.74 www 435: sub selectstudent_link {
1.111 www 436: my ($form,$unameele,$udomele)=@_;
1.258 albertel 437: if ($env{'request.course.id'}) {
1.302 albertel 438: if (!&Apache::lonnet::allowed('srm',$env{'request.course.id'})
439: && !&Apache::lonnet::allowed('srm',$env{'request.course.id'}.
440: '/'.$env{'request.course.sec'})) {
1.111 www 441: return '';
442: }
443: return "<a href='".'javascript:openstdbrowser("'.$form.'","'.$unameele.
1.607 albertel 444: '","'.$udomele.'");'."'>".&mt('Select User')."</a>";
1.74 www 445: }
1.258 albertel 446: if ($env{'request.role'}=~/^(au|dc|su)/) {
1.111 www 447: return "<a href='".'javascript:openstdbrowser("'.$form.'","'.$unameele.
1.119 www 448: '","'.$udomele.'",1);'."'>".&mt('Select User')."</a>";
1.111 www 449: }
450: return '';
1.91 www 451: }
452:
1.653 raeburn 453: sub authorbrowser_javascript {
454: return <<"ENDAUTHORBRW";
1.776 ! bisitz 455: <script type="text/javascript" language="JavaScript">
1.653 raeburn 456: var stdeditbrowser;
457:
458: function openauthorbrowser(formname,udom) {
459: var url = '/adm/pickauthor?';
460: url += 'form='+formname+'&roledom='+udom;
461: var title = 'Author_Browser';
462: var options = 'scrollbars=1,resizable=1,menubar=0';
463: options += ',width=700,height=600';
464: stdeditbrowser = open(url,title,options,'1');
465: stdeditbrowser.focus();
466: }
467:
468: </script>
469: ENDAUTHORBRW
470: }
471:
1.91 www 472: sub coursebrowser_javascript {
1.468 raeburn 473: my ($domainfilter,$sec_element,$formname)=@_;
1.377 raeburn 474: my $crs_or_grp_alert = &mt('Please select the type of LON-CAPA entity - Course or Group - for which you wish to add/modify a user role');
1.468 raeburn 475: my $output = '
1.776 ! bisitz 476: <script type="text/javascript" language="JavaScript">
1.468 raeburn 477: var stdeditbrowser;'."\n";
478: $output .= <<"ENDSTDBRW";
1.377 raeburn 479: function opencrsbrowser(formname,uname,udom,desc,extra_element,multflag,crstype) {
1.91 www 480: var url = '/adm/pickcourse?';
1.468 raeburn 481: var domainfilter = '';
482: var formid = getFormIdByName(formname);
483: if (formid > -1) {
484: var domid = getIndexByName(formid,udom);
485: if (domid > -1) {
486: if (document.forms[formid].elements[domid].type == 'select-one') {
487: domainfilter=document.forms[formid].elements[domid].options[document.forms[formid].elements[domid].selectedIndex].value;
488: }
489: if (document.forms[formid].elements[domid].type == 'hidden') {
490: domainfilter=document.forms[formid].elements[domid].value;
491: }
492: }
1.91 www 493: }
1.128 albertel 494: if (domainfilter != null) {
495: if (domainfilter != '') {
496: url += 'domainfilter='+domainfilter+'&';
497: }
498: }
1.91 www 499: url += 'form=' + formname + '&cnumelement='+uname+
1.187 albertel 500: '&cdomelement='+udom+
501: '&cnameelement='+desc;
1.468 raeburn 502: if (extra_element !=null && extra_element != '') {
1.594 raeburn 503: if (formname == 'rolechoice' || formname == 'studentform') {
1.468 raeburn 504: url += '&roleelement='+extra_element;
505: if (domainfilter == null || domainfilter == '') {
506: url += '&domainfilter='+extra_element;
507: }
1.234 raeburn 508: }
1.468 raeburn 509: else {
510: if (formname == 'portform') {
511: url += '&setroles='+extra_element;
512: }
513: }
1.230 raeburn 514: }
1.293 raeburn 515: if (multflag !=null && multflag != '') {
516: url += '&multiple='+multflag;
517: }
1.377 raeburn 518: if (crstype == 'Course/Group') {
519: if (formname == 'cu') {
520: crstype = document.cu.crstype.options[document.cu.crstype.selectedIndex].value;
521: if (crstype == "") {
522: alert("$crs_or_grp_alert");
523: return;
524: }
525: }
526: }
527: if (crstype !=null && crstype != '') {
528: url += '&type='+crstype;
529: }
1.102 www 530: var title = 'Course_Browser';
1.91 www 531: var options = 'scrollbars=1,resizable=1,menubar=0';
532: options += ',width=700,height=600';
533: stdeditbrowser = open(url,title,options,'1');
534: stdeditbrowser.focus();
535: }
1.468 raeburn 536:
537: function getFormIdByName(formname) {
538: for (var i=0;i<document.forms.length;i++) {
539: if (document.forms[i].name == formname) {
540: return i;
541: }
542: }
543: return -1;
544: }
545:
546: function getIndexByName(formid,item) {
547: for (var i=0;i<document.forms[formid].elements.length;i++) {
548: if (document.forms[formid].elements[i].name == item) {
549: return i;
550: }
551: }
552: return -1;
553: }
1.91 www 554: ENDSTDBRW
1.468 raeburn 555: if ($sec_element ne '') {
556: $output .= &setsec_javascript($sec_element,$formname);
557: }
558: $output .= '
559: </script>';
560: return $output;
561: }
562:
563: sub setsec_javascript {
564: my ($sec_element,$formname) = @_;
565: my $setsections = qq|
566: function setSect(sectionlist) {
1.629 raeburn 567: var sectionsArray = new Array();
568: if ((sectionlist != '') && (typeof sectionlist != "undefined")) {
569: sectionsArray = sectionlist.split(",");
570: }
1.468 raeburn 571: var numSections = sectionsArray.length;
572: document.$formname.$sec_element.length = 0;
573: if (numSections == 0) {
574: document.$formname.$sec_element.multiple=false;
575: document.$formname.$sec_element.size=1;
576: document.$formname.$sec_element.options[0] = new Option('No existing sections','',false,false)
577: } else {
578: if (numSections == 1) {
579: document.$formname.$sec_element.multiple=false;
580: document.$formname.$sec_element.size=1;
581: document.$formname.$sec_element.options[0] = new Option('Select','',true,true);
582: document.$formname.$sec_element.options[1] = new Option('No section','',false,false)
583: document.$formname.$sec_element.options[2] = new Option(sectionsArray[0],sectionsArray[0],false,false);
584: } else {
585: for (var i=0; i<numSections; i++) {
586: document.$formname.$sec_element.options[i] = new Option(sectionsArray[i],sectionsArray[i],false,false)
587: }
588: document.$formname.$sec_element.multiple=true
589: if (numSections < 3) {
590: document.$formname.$sec_element.size=numSections;
591: } else {
592: document.$formname.$sec_element.size=3;
593: }
594: document.$formname.$sec_element.options[0].selected = false
595: }
596: }
1.91 www 597: }
1.468 raeburn 598: |;
599: return $setsections;
600: }
601:
1.91 www 602:
603: sub selectcourse_link {
1.377 raeburn 604: my ($form,$unameele,$udomele,$desc,$extra_element,$multflag,$selecttype)=@_;
1.492 albertel 605: return "<a href='".'javascript:opencrsbrowser("'.$form.'","'.$unameele.
606: '","'.$udomele.'","'.$desc.'","'.$extra_element.'","'.$multflag.'","'.$selecttype.'");'."'>".&mt('Select Course')."</a>";
1.74 www 607: }
1.42 matthew 608:
1.653 raeburn 609: sub selectauthor_link {
610: my ($form,$udom)=@_;
611: return '<a href="javascript:openauthorbrowser('."'$form','$udom'".');">'.
612: &mt('Select Author').'</a>';
613: }
614:
1.273 raeburn 615: sub check_uncheck_jscript {
616: my $jscript = <<"ENDSCRT";
617: function checkAll(field) {
618: if (field.length > 0) {
619: for (i = 0; i < field.length; i++) {
620: field[i].checked = true ;
621: }
622: } else {
623: field.checked = true
624: }
625: }
626:
627: function uncheckAll(field) {
628: if (field.length > 0) {
629: for (i = 0; i < field.length; i++) {
630: field[i].checked = false ;
1.543 albertel 631: }
632: } else {
1.273 raeburn 633: field.checked = false ;
634: }
635: }
636: ENDSCRT
637: return $jscript;
638: }
639:
1.656 www 640: sub select_timezone {
1.659 raeburn 641: my ($name,$selected,$onchange,$includeempty)=@_;
642: my $output='<select name="'.$name.'" '.$onchange.'>'."\n";
643: if ($includeempty) {
644: $output .= '<option value=""';
645: if (($selected eq '') || ($selected eq 'local')) {
646: $output .= ' selected="selected" ';
647: }
648: $output .= '> </option>';
649: }
1.657 raeburn 650: my @timezones = DateTime::TimeZone->all_names;
651: foreach my $tzone (@timezones) {
652: $output.= '<option value="'.$tzone.'"';
653: if ($tzone eq $selected) {
654: $output.=' selected="selected"';
655: }
656: $output.=">$tzone</option>\n";
1.656 www 657: }
658: $output.="</select>";
659: return $output;
660: }
1.273 raeburn 661:
1.687 raeburn 662: sub select_datelocale {
663: my ($name,$selected,$onchange,$includeempty)=@_;
664: my $output='<select name="'.$name.'" '.$onchange.'>'."\n";
665: if ($includeempty) {
666: $output .= '<option value=""';
667: if ($selected eq '') {
668: $output .= ' selected="selected" ';
669: }
670: $output .= '> </option>';
671: }
672: my (@possibles,%locale_names);
673: my @locales = DateTime::Locale::Catalog::Locales;
674: foreach my $locale (@locales) {
675: if (ref($locale) eq 'HASH') {
676: my $id = $locale->{'id'};
677: if ($id ne '') {
678: my $en_terr = $locale->{'en_territory'};
679: my $native_terr = $locale->{'native_territory'};
1.695 raeburn 680: my @languages = &Apache::lonlocal::preferred_languages();
1.687 raeburn 681: if (grep(/^en$/,@languages) || !@languages) {
682: if ($en_terr ne '') {
683: $locale_names{$id} = '('.$en_terr.')';
684: } elsif ($native_terr ne '') {
685: $locale_names{$id} = $native_terr;
686: }
687: } else {
688: if ($native_terr ne '') {
689: $locale_names{$id} = $native_terr.' ';
690: } elsif ($en_terr ne '') {
691: $locale_names{$id} = '('.$en_terr.')';
692: }
693: }
694: push (@possibles,$id);
695: }
696: }
697: }
698: foreach my $item (sort(@possibles)) {
699: $output.= '<option value="'.$item.'"';
700: if ($item eq $selected) {
701: $output.=' selected="selected"';
702: }
703: $output.=">$item";
704: if ($locale_names{$item} ne '') {
705: $output.=" $locale_names{$item}</option>\n";
706: }
707: $output.="</option>\n";
708: }
709: $output.="</select>";
710: return $output;
711: }
712:
1.42 matthew 713: =pod
1.36 matthew 714:
1.648 raeburn 715: =item * &linked_select_forms(...)
1.36 matthew 716:
717: linked_select_forms returns a string containing a <script></script> block
718: and html for two <select> menus. The select menus will be linked in that
719: changing the value of the first menu will result in new values being placed
720: in the second menu. The values in the select menu will appear in alphabetical
1.609 raeburn 721: order unless a defined order is provided.
1.36 matthew 722:
723: linked_select_forms takes the following ordered inputs:
724:
725: =over 4
726:
1.112 bowersj2 727: =item * $formname, the name of the <form> tag
1.36 matthew 728:
1.112 bowersj2 729: =item * $middletext, the text which appears between the <select> tags
1.36 matthew 730:
1.112 bowersj2 731: =item * $firstdefault, the default value for the first menu
1.36 matthew 732:
1.112 bowersj2 733: =item * $firstselectname, the name of the first <select> tag
1.36 matthew 734:
1.112 bowersj2 735: =item * $secondselectname, the name of the second <select> tag
1.36 matthew 736:
1.112 bowersj2 737: =item * $hashref, a reference to a hash containing the data for the menus.
1.36 matthew 738:
1.609 raeburn 739: =item * $menuorder, the order of values in the first menu
740:
1.41 ng 741: =back
742:
1.36 matthew 743: Below is an example of such a hash. Only the 'text', 'default', and
744: 'select2' keys must appear as stated. keys(%menu) are the possible
745: values for the first select menu. The text that coincides with the
1.41 ng 746: first menu value is given in $menu{$choice1}->{'text'}. The values
1.36 matthew 747: and text for the second menu are given in the hash pointed to by
748: $menu{$choice1}->{'select2'}.
749:
1.112 bowersj2 750: my %menu = ( A1 => { text =>"Choice A1" ,
751: default => "B3",
752: select2 => {
753: B1 => "Choice B1",
754: B2 => "Choice B2",
755: B3 => "Choice B3",
756: B4 => "Choice B4"
1.609 raeburn 757: },
758: order => ['B4','B3','B1','B2'],
1.112 bowersj2 759: },
760: A2 => { text =>"Choice A2" ,
761: default => "C2",
762: select2 => {
763: C1 => "Choice C1",
764: C2 => "Choice C2",
765: C3 => "Choice C3"
1.609 raeburn 766: },
767: order => ['C2','C1','C3'],
1.112 bowersj2 768: },
769: A3 => { text =>"Choice A3" ,
770: default => "D6",
771: select2 => {
772: D1 => "Choice D1",
773: D2 => "Choice D2",
774: D3 => "Choice D3",
775: D4 => "Choice D4",
776: D5 => "Choice D5",
777: D6 => "Choice D6",
778: D7 => "Choice D7"
1.609 raeburn 779: },
780: order => ['D4','D3','D2','D1','D7','D6','D5'],
1.112 bowersj2 781: }
782: );
1.36 matthew 783:
784: =cut
785:
786: sub linked_select_forms {
787: my ($formname,
788: $middletext,
789: $firstdefault,
790: $firstselectname,
791: $secondselectname,
1.609 raeburn 792: $hashref,
793: $menuorder,
1.36 matthew 794: ) = @_;
795: my $second = "document.$formname.$secondselectname";
796: my $first = "document.$formname.$firstselectname";
797: # output the javascript to do the changing
798: my $result = '';
1.776 ! bisitz 799: $result.='<script type="text/javascript" language="JavaScript">'."\n";
1.36 matthew 800: $result.="var select2data = new Object();\n";
801: $" = '","';
802: my $debug = '';
803: foreach my $s1 (sort(keys(%$hashref))) {
804: $result.="select2data.d_$s1 = new Object();\n";
805: $result.="select2data.d_$s1.def = new String('".
806: $hashref->{$s1}->{'default'}."');\n";
1.609 raeburn 807: $result.="select2data.d_$s1.values = new Array(";
1.36 matthew 808: my @s2values = sort(keys( %{ $hashref->{$s1}->{'select2'} } ));
1.609 raeburn 809: if (ref($hashref->{$s1}->{'order'}) eq 'ARRAY') {
810: @s2values = @{$hashref->{$s1}->{'order'}};
811: }
1.36 matthew 812: $result.="\"@s2values\");\n";
813: $result.="select2data.d_$s1.texts = new Array(";
814: my @s2texts;
815: foreach my $value (@s2values) {
816: push @s2texts, $hashref->{$s1}->{'select2'}->{$value};
817: }
818: $result.="\"@s2texts\");\n";
819: }
820: $"=' ';
821: $result.= <<"END";
822:
823: function select1_changed() {
824: // Determine new choice
825: var newvalue = "d_" + $first.value;
826: // update select2
827: var values = select2data[newvalue].values;
828: var texts = select2data[newvalue].texts;
829: var select2def = select2data[newvalue].def;
830: var i;
831: // out with the old
832: for (i = 0; i < $second.options.length; i++) {
833: $second.options[i] = null;
834: }
835: // in with the nuclear
836: for (i=0;i<values.length; i++) {
837: $second.options[i] = new Option(values[i]);
1.143 matthew 838: $second.options[i].value = values[i];
1.36 matthew 839: $second.options[i].text = texts[i];
840: if (values[i] == select2def) {
841: $second.options[i].selected = true;
842: }
843: }
844: }
845: </script>
846: END
847: # output the initial values for the selection lists
848: $result .= "<select size=\"1\" name=\"$firstselectname\" onchange=\"select1_changed()\">\n";
1.609 raeburn 849: my @order = sort(keys(%{$hashref}));
850: if (ref($menuorder) eq 'ARRAY') {
851: @order = @{$menuorder};
852: }
853: foreach my $value (@order) {
1.36 matthew 854: $result.=" <option value=\"$value\" ";
1.253 albertel 855: $result.=" selected=\"selected\" " if ($value eq $firstdefault);
1.119 www 856: $result.=">".&mt($hashref->{$value}->{'text'})."</option>\n";
1.36 matthew 857: }
858: $result .= "</select>\n";
859: my %select2 = %{$hashref->{$firstdefault}->{'select2'}};
860: $result .= $middletext;
861: $result .= "<select size=\"1\" name=\"$secondselectname\">\n";
862: my $seconddefault = $hashref->{$firstdefault}->{'default'};
1.609 raeburn 863:
864: my @secondorder = sort(keys(%select2));
865: if (ref($hashref->{$firstdefault}->{'order'}) eq 'ARRAY') {
866: @secondorder = @{$hashref->{$firstdefault}->{'order'}};
867: }
868: foreach my $value (@secondorder) {
1.36 matthew 869: $result.=" <option value=\"$value\" ";
1.253 albertel 870: $result.=" selected=\"selected\" " if ($value eq $seconddefault);
1.119 www 871: $result.=">".&mt($select2{$value})."</option>\n";
1.36 matthew 872: }
873: $result .= "</select>\n";
874: # return $debug;
875: return $result;
876: } # end of sub linked_select_forms {
877:
1.45 matthew 878: =pod
1.44 bowersj2 879:
1.648 raeburn 880: =item * &help_open_topic($topic,$text,$stayOnPage,$width,$height)
1.44 bowersj2 881:
1.112 bowersj2 882: Returns a string corresponding to an HTML link to the given help
883: $topic, where $topic corresponds to the name of a .tex file in
884: /home/httpd/html/adm/help/tex, with underscores replaced by
885: spaces.
886:
887: $text will optionally be linked to the same topic, allowing you to
888: link text in addition to the graphic. If you do not want to link
889: text, but wish to specify one of the later parameters, pass an
890: empty string.
891:
892: $stayOnPage is a value that will be interpreted as a boolean. If true,
893: the link will not open a new window. If false, the link will open
894: a new window using Javascript. (Default is false.)
895:
896: $width and $height are optional numerical parameters that will
897: override the width and height of the popped up window, which may
898: be useful for certain help topics with big pictures included.
1.44 bowersj2 899:
900: =cut
901:
902: sub help_open_topic {
1.48 bowersj2 903: my ($topic, $text, $stayOnPage, $width, $height) = @_;
904: $text = "" if (not defined $text);
1.44 bowersj2 905: $stayOnPage = 0 if (not defined $stayOnPage);
1.552 banghart 906: if ($env{'browser.interface'} eq 'textual') {
1.79 www 907: $stayOnPage=1;
908: }
1.44 bowersj2 909: $width = 350 if (not defined $width);
910: $height = 400 if (not defined $height);
911: my $filename = $topic;
912: $filename =~ s/ /_/g;
913:
1.48 bowersj2 914: my $template = "";
915: my $link;
1.572 banghart 916:
1.159 www 917: $topic=~s/\W/\_/g;
1.44 bowersj2 918:
1.572 banghart 919: if (!$stayOnPage) {
1.72 bowersj2 920: $link = "javascript:void(open('/adm/help/${filename}.hlp', 'Help_for_$topic', 'menubar=0,toolbar=1,scrollbars=1,width=$width,height=$height,resizable=yes'))";
1.572 banghart 921: } else {
1.48 bowersj2 922: $link = "/adm/help/${filename}.hlp";
923: }
924:
925: # Add the text
1.755 neumanie 926: if ($text ne "") {
1.763 bisitz 927: $template.='<span class="LC_help_open_topic">'
928: .'<a target="_top" href="'.$link.'">'
929: .$text.'</a>';
1.48 bowersj2 930: }
931:
1.763 bisitz 932: # (Always) Add the graphic
1.179 matthew 933: my $title = &mt('Online Help');
1.667 raeburn 934: my $helpicon=&lonhttpdurl("/adm/help/help.png");
1.763 bisitz 935: $template.=' <a target="_top" href="'.$link.'" title="'.$title.'">'
936: .'<img src="'.$helpicon.'" border="0"'
937: .' alt="'.&mt('Help: [_1]',$topic).'"'
938: .' title="'.$title.'"'
939: .' /></a>';
940: if ($text ne "") {
941: $template.='</span>';
942: }
1.44 bowersj2 943: return $template;
944:
1.106 bowersj2 945: }
946:
947: # This is a quicky function for Latex cheatsheet editing, since it
948: # appears in at least four places
949: sub helpLatexCheatsheet {
1.732 raeburn 950: my ($topic,$text,$not_author) = @_;
951: my $out;
1.106 bowersj2 952: my $addOther = '';
1.732 raeburn 953: if ($topic) {
1.763 bisitz 954: $addOther = '<span>'.&Apache::loncommon::help_open_topic($topic,&mt($text),
955: undef, undef, 600).
956: '</span> ';
957: }
958: $out = '<span>' # Start cheatsheet
959: .$addOther
960: .'<span>'
961: .&Apache::loncommon::help_open_topic('Greek_Symbols',&mt('Greek Symbols'),
962: undef,undef,600)
963: .'</span> <span>'
964: .&Apache::loncommon::help_open_topic('Other_Symbols',&mt('Other Symbols'),
965: undef,undef,600)
966: .'</span>';
1.732 raeburn 967: unless ($not_author) {
1.763 bisitz 968: $out .= ' <span>'
969: .&Apache::loncommon::help_open_topic('Authoring_Output_Tags',&mt('Output Tags'),
970: undef,undef,600)
971: .'</span>';
1.732 raeburn 972: }
1.763 bisitz 973: $out .= '</span>'; # End cheatsheet
1.732 raeburn 974: return $out;
1.172 www 975: }
976:
1.430 albertel 977: sub general_help {
978: my $helptopic='Student_Intro';
979: if ($env{'request.role'}=~/^(ca|au)/) {
980: $helptopic='Authoring_Intro';
981: } elsif ($env{'request.role'}=~/^cc/) {
982: $helptopic='Course_Coordination_Intro';
1.672 raeburn 983: } elsif ($env{'request.role'}=~/^dc/) {
984: $helptopic='Domain_Coordination_Intro';
1.430 albertel 985: }
986: return $helptopic;
987: }
988:
989: sub update_help_link {
990: my ($topic,$component_help,$faq,$bug,$stayOnPage) = @_;
991: my $origurl = $ENV{'REQUEST_URI'};
992: $origurl=~s|^/~|/priv/|;
993: my $timestamp = time;
994: foreach my $datum (\$topic,\$component_help,\$faq,\$bug,\$origurl) {
995: $$datum = &escape($$datum);
996: }
997:
998: my $banner_link = "/adm/helpmenu?page=banner&topic=$topic&component_help=$component_help&faq=$faq&bug=$bug&origurl=$origurl&stamp=$timestamp&stayonpage=$stayOnPage";
999: my $output .= <<"ENDOUTPUT";
1000: <script type="text/javascript">
1001: banner_link = '$banner_link';
1002: </script>
1003: ENDOUTPUT
1004: return $output;
1005: }
1006:
1007: # now just updates the help link and generates a blue icon
1.193 raeburn 1008: sub help_open_menu {
1.430 albertel 1009: my ($topic,$component_help,$faq,$bug,$stayOnPage,$width,$height,$text)
1.552 banghart 1010: = @_;
1.430 albertel 1011: $stayOnPage = 0 if (not defined $stayOnPage);
1.572 banghart 1012: # only use pop-up help (stayOnPage == 0)
1.552 banghart 1013: # if environment.remote is on (using remote control UI)
1.572 banghart 1014: if ($env{'browser.interface'} eq 'textual' ||
1015: $env{'environment.remote'} eq 'off' ) {
1.552 banghart 1016: $stayOnPage=1;
1.430 albertel 1017: }
1018: my $output;
1019: if ($component_help) {
1020: if (!$text) {
1021: $output=&help_open_topic($component_help,undef,$stayOnPage,
1022: $width,$height);
1023: } else {
1024: my $help_text;
1025: $help_text=&unescape($topic);
1026: $output='<table><tr><td>'.
1027: &help_open_topic($component_help,$help_text,$stayOnPage,
1028: $width,$height).'</td></tr></table>';
1029: }
1030: }
1031: my $banner_link = &update_help_link($topic,$component_help,$faq,$bug,$stayOnPage);
1032: return $output.$banner_link;
1033: }
1034:
1035: sub top_nav_help {
1036: my ($text) = @_;
1.436 albertel 1037: $text = &mt($text);
1.572 banghart 1038: my $stay_on_page =
1.436 albertel 1039: ($env{'browser.interface'} eq 'textual' ||
1040: $env{'environment.remote'} eq 'off' );
1.572 banghart 1041: my $link = ($stay_on_page) ? "javascript:helpMenu('display')"
1.436 albertel 1042: : "javascript:helpMenu('open')";
1.572 banghart 1043: my $banner_link = &update_help_link(undef,undef,undef,undef,$stay_on_page);
1.436 albertel 1044:
1.201 raeburn 1045: my $title = &mt('Get help');
1.436 albertel 1046:
1047: return <<"END";
1048: $banner_link
1049: <a href="$link" title="$title">$text</a>
1050: END
1051: }
1052:
1053: sub help_menu_js {
1054: my ($text) = @_;
1055:
1056: my $stayOnPage =
1057: ($env{'browser.interface'} eq 'textual' ||
1058: $env{'environment.remote'} eq 'off' );
1059:
1060: my $width = 620;
1061: my $height = 600;
1.430 albertel 1062: my $helptopic=&general_help();
1063: my $details_link = '/adm/help/'.$helptopic.'.hlp';
1.261 albertel 1064: my $nothing=&Apache::lonhtmlcommon::javascript_nothing();
1.331 albertel 1065: my $start_page =
1066: &Apache::loncommon::start_page('Help Menu', undef,
1067: {'frameset' => 1,
1068: 'js_ready' => 1,
1069: 'add_entries' => {
1070: 'border' => '0',
1.579 raeburn 1071: 'rows' => "110,*",},});
1.331 albertel 1072: my $end_page =
1073: &Apache::loncommon::end_page({'frameset' => 1,
1074: 'js_ready' => 1,});
1075:
1.436 albertel 1076: my $template .= <<"ENDTEMPLATE";
1077: <script type="text/javascript">
1.253 albertel 1078: // <!-- BEGIN LON-CAPA Internal
1079: // <![CDATA[
1.430 albertel 1080: var banner_link = '';
1.243 raeburn 1081: function helpMenu(target) {
1082: var caller = this;
1083: if (target == 'open') {
1084: var newWindow = null;
1085: try {
1.262 albertel 1086: newWindow = window.open($nothing,"helpmenu","HEIGHT=$height,WIDTH=$width,resizable=yes,scrollbars=yes" )
1.243 raeburn 1087: }
1088: catch(error) {
1089: writeHelp(caller);
1090: return;
1091: }
1092: if (newWindow) {
1093: caller = newWindow;
1094: }
1.193 raeburn 1095: }
1.243 raeburn 1096: writeHelp(caller);
1097: return;
1098: }
1099: function writeHelp(caller) {
1.430 albertel 1100: caller.document.writeln('$start_page<frame name="bannerframe" src="'+banner_link+'" /><frame name="bodyframe" src="$details_link" /> $end_page')
1.243 raeburn 1101: caller.document.close()
1102: caller.focus()
1.193 raeburn 1103: }
1.253 albertel 1104: // ]]>
1.219 albertel 1105: // END LON-CAPA Internal -->
1.436 albertel 1106: </script>
1.193 raeburn 1107: ENDTEMPLATE
1108: return $template;
1109: }
1110:
1.172 www 1111: sub help_open_bug {
1112: my ($topic, $text, $stayOnPage, $width, $height) = @_;
1.258 albertel 1113: unless ($env{'user.adv'}) { return ''; }
1.172 www 1114: unless ($Apache::lonnet::perlvar{'BugzillaHost'}) { return ''; }
1115: $text = "" if (not defined $text);
1116: $stayOnPage = 0 if (not defined $stayOnPage);
1.258 albertel 1117: if ($env{'browser.interface'} eq 'textual' ||
1118: $env{'environment.remote'} eq 'off' ) {
1.172 www 1119: $stayOnPage=1;
1120: }
1.184 albertel 1121: $width = 600 if (not defined $width);
1122: $height = 600 if (not defined $height);
1.172 www 1123:
1124: $topic=~s/\W+/\+/g;
1125: my $link='';
1126: my $template='';
1.379 albertel 1127: my $url=$Apache::lonnet::perlvar{'BugzillaHost'}.'enter_bug.cgi?product=LON-CAPA&bug_file_loc='.
1128: &escape($ENV{'REQUEST_URI'}).'&component='.$topic;
1.172 www 1129: if (!$stayOnPage)
1130: {
1131: $link = "javascript:void(open('$url', 'Bugzilla', 'menubar=0,toolbar=1,scrollbars=1,width=$width,height=$height,resizable=yes'))";
1132: }
1133: else
1134: {
1135: $link = $url;
1136: }
1137: # Add the text
1138: if ($text ne "")
1139: {
1140: $template .=
1141: "<table bgcolor='#AA3333' cellspacing='1' cellpadding='1' border='0'><tr>".
1.705 tempelho 1142: "<td bgcolor='#FF5555'><a target=\"_top\" href=\"$link\"><span style=\"color:#FFFFFF;font-size:10pt;\">$text</span></a>";
1.172 www 1143: }
1144:
1145: # Add the graphic
1.179 matthew 1146: my $title = &mt('Report a Bug');
1.215 albertel 1147: my $bugicon=&lonhttpdurl("/adm/lonMisc/smallBug.gif");
1.172 www 1148: $template .= <<"ENDTEMPLATE";
1.436 albertel 1149: <a target="_top" href="$link" title="$title"><img src="$bugicon" border="0" alt="(Bug: $topic)" /></a>
1.172 www 1150: ENDTEMPLATE
1151: if ($text ne '') { $template.='</td></tr></table>' };
1152: return $template;
1153:
1154: }
1155:
1156: sub help_open_faq {
1157: my ($topic, $text, $stayOnPage, $width, $height) = @_;
1.258 albertel 1158: unless ($env{'user.adv'}) { return ''; }
1.172 www 1159: unless ($Apache::lonnet::perlvar{'FAQHost'}) { return ''; }
1160: $text = "" if (not defined $text);
1161: $stayOnPage = 0 if (not defined $stayOnPage);
1.258 albertel 1162: if ($env{'browser.interface'} eq 'textual' ||
1163: $env{'environment.remote'} eq 'off' ) {
1.172 www 1164: $stayOnPage=1;
1165: }
1166: $width = 350 if (not defined $width);
1167: $height = 400 if (not defined $height);
1168:
1169: $topic=~s/\W+/\+/g;
1170: my $link='';
1171: my $template='';
1172: my $url=$Apache::lonnet::perlvar{'FAQHost'}.'/fom/cache/'.$topic.'.html';
1173: if (!$stayOnPage)
1174: {
1175: $link = "javascript:void(open('$url', 'FAQ-O-Matic', 'menubar=0,toolbar=1,scrollbars=1,width=$width,height=$height,resizable=yes'))";
1176: }
1177: else
1178: {
1179: $link = $url;
1180: }
1181:
1182: # Add the text
1183: if ($text ne "")
1184: {
1185: $template .=
1.173 www 1186: "<table bgcolor='#337733' cellspacing='1' cellpadding='1' border='0'><tr>".
1.705 tempelho 1187: "<td bgcolor='#448844'><a target=\"_top\" href=\"$link\"><span style=\"color:#FFFFFF; font-size:10pt;\">$text</span></a>";
1.172 www 1188: }
1189:
1190: # Add the graphic
1.179 matthew 1191: my $title = &mt('View the FAQ');
1.215 albertel 1192: my $faqicon=&lonhttpdurl("/adm/lonMisc/smallFAQ.gif");
1.172 www 1193: $template .= <<"ENDTEMPLATE";
1.436 albertel 1194: <a target="_top" href="$link" title="$title"><img src="$faqicon" border="0" alt="(FAQ: $topic)" /></a>
1.172 www 1195: ENDTEMPLATE
1196: if ($text ne '') { $template.='</td></tr></table>' };
1197: return $template;
1198:
1.44 bowersj2 1199: }
1.37 matthew 1200:
1.180 matthew 1201: ###############################################################
1202: ###############################################################
1203:
1.45 matthew 1204: =pod
1205:
1.648 raeburn 1206: =item * &change_content_javascript():
1.256 matthew 1207:
1208: This and the next function allow you to create small sections of an
1209: otherwise static HTML page that you can update on the fly with
1210: Javascript, even in Netscape 4.
1211:
1212: The Javascript fragment returned by this function (no E<lt>scriptE<gt> tag)
1213: must be written to the HTML page once. It will prove the Javascript
1214: function "change(name, content)". Calling the change function with the
1215: name of the section
1216: you want to update, matching the name passed to C<changable_area>, and
1217: the new content you want to put in there, will put the content into
1218: that area.
1219:
1220: B<Note>: Netscape 4 only reserves enough space for the changable area
1221: to contain room for the original contents. You need to "make space"
1222: for whatever changes you wish to make, and be B<sure> to check your
1223: code in Netscape 4. This feature in Netscape 4 is B<not> powerful;
1224: it's adequate for updating a one-line status display, but little more.
1225: This script will set the space to 100% width, so you only need to
1226: worry about height in Netscape 4.
1227:
1228: Modern browsers are much less limiting, and if you can commit to the
1229: user not using Netscape 4, this feature may be used freely with
1230: pretty much any HTML.
1231:
1232: =cut
1233:
1234: sub change_content_javascript {
1235: # If we're on Netscape 4, we need to use Layer-based code
1.258 albertel 1236: if ($env{'browser.type'} eq 'netscape' &&
1237: $env{'browser.version'} =~ /^4\./) {
1.256 matthew 1238: return (<<NETSCAPE4);
1239: function change(name, content) {
1240: doc = document.layers[name+"___escape"].layers[0].document;
1241: doc.open();
1242: doc.write(content);
1243: doc.close();
1244: }
1245: NETSCAPE4
1246: } else {
1247: # Otherwise, we need to use semi-standards-compliant code
1248: # (technically, "innerHTML" isn't standard but the equivalent
1249: # is really scary, and every useful browser supports it
1250: return (<<DOMBASED);
1251: function change(name, content) {
1252: element = document.getElementById(name);
1253: element.innerHTML = content;
1254: }
1255: DOMBASED
1256: }
1257: }
1258:
1259: =pod
1260:
1.648 raeburn 1261: =item * &changable_area($name,$origContent):
1.256 matthew 1262:
1263: This provides a "changable area" that can be modified on the fly via
1264: the Javascript code provided in C<change_content_javascript>. $name is
1265: the name you will use to reference the area later; do not repeat the
1266: same name on a given HTML page more then once. $origContent is what
1267: the area will originally contain, which can be left blank.
1268:
1269: =cut
1270:
1271: sub changable_area {
1272: my ($name, $origContent) = @_;
1273:
1.258 albertel 1274: if ($env{'browser.type'} eq 'netscape' &&
1275: $env{'browser.version'} =~ /^4\./) {
1.256 matthew 1276: # If this is netscape 4, we need to use the Layer tag
1277: return "<ilayer width='100%' id='${name}___escape' overflow='none'><layer width='100%' id='$name' overflow='none'>$origContent</layer></ilayer>";
1278: } else {
1279: return "<span id='$name'>$origContent</span>";
1280: }
1281: }
1282:
1283: =pod
1284:
1.648 raeburn 1285: =item * &viewport_geometry_js
1.590 raeburn 1286:
1287: Provides javascript object (Geometry) which can provide information about the viewport geometry for the client browser.
1288:
1289: =cut
1290:
1291:
1292: sub viewport_geometry_js {
1293: return <<"GEOMETRY";
1294: var Geometry = {};
1295: function init_geometry() {
1296: if (Geometry.init) { return };
1297: Geometry.init=1;
1298: if (window.innerHeight) {
1299: Geometry.getViewportHeight = function() { return window.innerHeight; };
1300: Geometry.getViewportWidth = function() { return window.innerWidth; };
1301: Geometry.getHorizontalScroll = function() { return window.pageXOffset; };
1302: Geometry.getVerticalScroll = function() { return window.pageYOffset; };
1303: }
1304: else if (document.documentElement && document.documentElement.clientHeight) {
1305: Geometry.getViewportHeight =
1306: function() { return document.documentElement.clientHeight; };
1307: Geometry.getViewportWidth =
1308: function() { return document.documentElement.clientWidth; };
1309:
1310: Geometry.getHorizontalScroll =
1311: function() { return document.documentElement.scrollLeft; };
1312: Geometry.getVerticalScroll =
1313: function() { return document.documentElement.scrollTop; };
1314: }
1315: else if (document.body.clientHeight) {
1316: Geometry.getViewportHeight =
1317: function() { return document.body.clientHeight; };
1318: Geometry.getViewportWidth =
1319: function() { return document.body.clientWidth; };
1320: Geometry.getHorizontalScroll =
1321: function() { return document.body.scrollLeft; };
1322: Geometry.getVerticalScroll =
1323: function() { return document.body.scrollTop; };
1324: }
1325: }
1326:
1327: GEOMETRY
1328: }
1329:
1330: =pod
1331:
1.648 raeburn 1332: =item * &viewport_size_js()
1.590 raeburn 1333:
1334: Provides a javascript function to set values of two form elements - width and height (elements are passed in as arguments to the javascript function) to the dimensions of the user's browser window.
1335:
1336: =cut
1337:
1338: sub viewport_size_js {
1339: my $geometry = &viewport_geometry_js();
1340: return <<"DIMS";
1341:
1342: $geometry
1343:
1344: function getViewportDims(width,height) {
1345: init_geometry();
1346: width.value = Geometry.getViewportWidth();
1347: height.value = Geometry.getViewportHeight();
1348: return;
1349: }
1350:
1351: DIMS
1352: }
1353:
1354: =pod
1355:
1.648 raeburn 1356: =item * &resize_textarea_js()
1.565 albertel 1357:
1358: emits the needed javascript to resize a textarea to be as big as possible
1359:
1360: creates a function resize_textrea that takes two IDs first should be
1361: the id of the element to resize, second should be the id of a div that
1362: surrounds everything that comes after the textarea, this routine needs
1363: to be attached to the <body> for the onload and onresize events.
1364:
1.648 raeburn 1365: =back
1.565 albertel 1366:
1367: =cut
1368:
1369: sub resize_textarea_js {
1.590 raeburn 1370: my $geometry = &viewport_geometry_js();
1.565 albertel 1371: return <<"RESIZE";
1372: <script type="text/javascript">
1.590 raeburn 1373: $geometry
1.565 albertel 1374:
1.588 albertel 1375: function getX(element) {
1376: var x = 0;
1377: while (element) {
1378: x += element.offsetLeft;
1379: element = element.offsetParent;
1380: }
1381: return x;
1382: }
1383: function getY(element) {
1384: var y = 0;
1385: while (element) {
1386: y += element.offsetTop;
1387: element = element.offsetParent;
1388: }
1389: return y;
1390: }
1391:
1392:
1.565 albertel 1393: function resize_textarea(textarea_id,bottom_id) {
1394: init_geometry();
1395: var textarea = document.getElementById(textarea_id);
1396: //alert(textarea);
1397:
1.588 albertel 1398: var textarea_top = getY(textarea);
1.565 albertel 1399: var textarea_height = textarea.offsetHeight;
1400: var bottom = document.getElementById(bottom_id);
1.588 albertel 1401: var bottom_top = getY(bottom);
1.565 albertel 1402: var bottom_height = bottom.offsetHeight;
1403: var window_height = Geometry.getViewportHeight();
1.588 albertel 1404: var fudge = 23;
1.565 albertel 1405: var new_height = window_height-fudge-textarea_top-bottom_height;
1406: if (new_height < 300) {
1407: new_height = 300;
1408: }
1409: textarea.style.height=new_height+'px';
1410: }
1411: </script>
1412: RESIZE
1413:
1414: }
1415:
1416: =pod
1417:
1.256 matthew 1418: =head1 Excel and CSV file utility routines
1419:
1420: =over 4
1421:
1422: =cut
1423:
1424: ###############################################################
1425: ###############################################################
1426:
1427: =pod
1428:
1.648 raeburn 1429: =item * &csv_translate($text)
1.37 matthew 1430:
1.185 www 1431: Translate $text to allow it to be output as a 'comma separated values'
1.37 matthew 1432: format.
1433:
1434: =cut
1435:
1.180 matthew 1436: ###############################################################
1437: ###############################################################
1.37 matthew 1438: sub csv_translate {
1439: my $text = shift;
1440: $text =~ s/\"/\"\"/g;
1.209 albertel 1441: $text =~ s/\n/ /g;
1.37 matthew 1442: return $text;
1443: }
1.180 matthew 1444:
1445: ###############################################################
1446: ###############################################################
1447:
1448: =pod
1449:
1.648 raeburn 1450: =item * &define_excel_formats()
1.180 matthew 1451:
1452: Define some commonly used Excel cell formats.
1453:
1454: Currently supported formats:
1455:
1456: =over 4
1457:
1458: =item header
1459:
1460: =item bold
1461:
1462: =item h1
1463:
1464: =item h2
1465:
1466: =item h3
1467:
1.256 matthew 1468: =item h4
1469:
1470: =item i
1471:
1.180 matthew 1472: =item date
1473:
1474: =back
1475:
1476: Inputs: $workbook
1477:
1478: Returns: $format, a hash reference.
1479:
1480: =cut
1481:
1482: ###############################################################
1483: ###############################################################
1484: sub define_excel_formats {
1485: my ($workbook) = @_;
1486: my $format;
1487: $format->{'header'} = $workbook->add_format(bold => 1,
1488: bottom => 1,
1489: align => 'center');
1490: $format->{'bold'} = $workbook->add_format(bold=>1);
1491: $format->{'h1'} = $workbook->add_format(bold=>1, size=>18);
1492: $format->{'h2'} = $workbook->add_format(bold=>1, size=>16);
1493: $format->{'h3'} = $workbook->add_format(bold=>1, size=>14);
1.255 matthew 1494: $format->{'h4'} = $workbook->add_format(bold=>1, size=>12);
1.246 matthew 1495: $format->{'i'} = $workbook->add_format(italic=>1);
1.180 matthew 1496: $format->{'date'} = $workbook->add_format(num_format=>
1.207 matthew 1497: 'mm/dd/yyyy hh:mm:ss');
1.180 matthew 1498: return $format;
1499: }
1500:
1501: ###############################################################
1502: ###############################################################
1.113 bowersj2 1503:
1504: =pod
1505:
1.648 raeburn 1506: =item * &create_workbook()
1.255 matthew 1507:
1508: Create an Excel worksheet. If it fails, output message on the
1509: request object and return undefs.
1510:
1511: Inputs: Apache request object
1512:
1513: Returns (undef) on failure,
1514: Excel worksheet object, scalar with filename, and formats
1515: from &Apache::loncommon::define_excel_formats on success
1516:
1517: =cut
1518:
1519: ###############################################################
1520: ###############################################################
1521: sub create_workbook {
1522: my ($r) = @_;
1523: #
1524: # Create the excel spreadsheet
1525: my $filename = '/prtspool/'.
1.258 albertel 1526: $env{'user.name'}.'_'.$env{'user.domain'}.'_'.
1.255 matthew 1527: time.'_'.rand(1000000000).'.xls';
1528: my $workbook = Spreadsheet::WriteExcel->new('/home/httpd'.$filename);
1529: if (! defined($workbook)) {
1530: $r->log_error("Error creating excel spreadsheet $filename: $!");
1531: $r->print('<p>'.&mt("Unable to create new Excel file. ".
1532: "This error has been logged. ".
1533: "Please alert your LON-CAPA administrator").
1534: '</p>');
1535: return (undef);
1536: }
1537: #
1538: $workbook->set_tempdir('/home/httpd/perl/tmp');
1539: #
1540: my $format = &Apache::loncommon::define_excel_formats($workbook);
1541: return ($workbook,$filename,$format);
1542: }
1543:
1544: ###############################################################
1545: ###############################################################
1546:
1547: =pod
1548:
1.648 raeburn 1549: =item * &create_text_file()
1.113 bowersj2 1550:
1.542 raeburn 1551: Create a file to write to and eventually make available to the user.
1.256 matthew 1552: If file creation fails, outputs an error message on the request object and
1553: return undefs.
1.113 bowersj2 1554:
1.256 matthew 1555: Inputs: Apache request object, and file suffix
1.113 bowersj2 1556:
1.256 matthew 1557: Returns (undef) on failure,
1558: Filehandle and filename on success.
1.113 bowersj2 1559:
1560: =cut
1561:
1.256 matthew 1562: ###############################################################
1563: ###############################################################
1564: sub create_text_file {
1565: my ($r,$suffix) = @_;
1566: if (! defined($suffix)) { $suffix = 'txt'; };
1567: my $fh;
1568: my $filename = '/prtspool/'.
1.258 albertel 1569: $env{'user.name'}.'_'.$env{'user.domain'}.'_'.
1.256 matthew 1570: time.'_'.rand(1000000000).'.'.$suffix;
1571: $fh = Apache::File->new('>/home/httpd'.$filename);
1572: if (! defined($fh)) {
1573: $r->log_error("Couldn't open $filename for output $!");
1.683 bisitz 1574: $r->print(&mt('Problems occurred in creating the output file. '
1575: .'This error has been logged. '
1576: .'Please alert your LON-CAPA administrator.'));
1.113 bowersj2 1577: }
1.256 matthew 1578: return ($fh,$filename)
1.113 bowersj2 1579: }
1580:
1581:
1.256 matthew 1582: =pod
1.113 bowersj2 1583:
1584: =back
1585:
1586: =cut
1.37 matthew 1587:
1588: ###############################################################
1.33 matthew 1589: ## Home server <option> list generating code ##
1590: ###############################################################
1.35 matthew 1591:
1.169 www 1592: # ------------------------------------------
1593:
1594: sub domain_select {
1595: my ($name,$value,$multiple)=@_;
1596: my %domains=map {
1.514 albertel 1597: $_ => $_.' '. &Apache::lonnet::domain($_,'description')
1.512 albertel 1598: } &Apache::lonnet::all_domains();
1.169 www 1599: if ($multiple) {
1600: $domains{''}=&mt('Any domain');
1.550 albertel 1601: $domains{'select_form_order'} = [sort {lc($a) cmp lc($b) } (keys(%domains))];
1.287 albertel 1602: return &multiple_select_form($name,$value,4,\%domains);
1.169 www 1603: } else {
1.550 albertel 1604: $domains{'select_form_order'} = [sort {lc($a) cmp lc($b) } (keys(%domains))];
1.169 www 1605: return &select_form($name,$value,%domains);
1606: }
1607: }
1608:
1.282 albertel 1609: #-------------------------------------------
1610:
1611: =pod
1612:
1.519 raeburn 1613: =head1 Routines for form select boxes
1614:
1615: =over 4
1616:
1.648 raeburn 1617: =item * &multiple_select_form($name,$value,$size,$hash,$order)
1.282 albertel 1618:
1619: Returns a string containing a <select> element int multiple mode
1620:
1621:
1622: Args:
1623: $name - name of the <select> element
1.506 raeburn 1624: $value - scalar or array ref of values that should already be selected
1.282 albertel 1625: $size - number of rows long the select element is
1.283 albertel 1626: $hash - the elements should be 'option' => 'shown text'
1.282 albertel 1627: (shown text should already have been &mt())
1.506 raeburn 1628: $order - (optional) array ref of the order to show the elements in
1.283 albertel 1629:
1.282 albertel 1630: =cut
1631:
1632: #-------------------------------------------
1.169 www 1633: sub multiple_select_form {
1.284 albertel 1634: my ($name,$value,$size,$hash,$order)=@_;
1.169 www 1635: my %selected = map { $_ => 1 } ref($value)?@{$value}:($value);
1636: my $output='';
1.191 matthew 1637: if (! defined($size)) {
1638: $size = 4;
1.283 albertel 1639: if (scalar(keys(%$hash))<4) {
1640: $size = scalar(keys(%$hash));
1.191 matthew 1641: }
1642: }
1.734 bisitz 1643: $output.="\n".'<select name="'.$name.'" size="'.$size.'" multiple="multiple">';
1.501 banghart 1644: my @order;
1.506 raeburn 1645: if (ref($order) eq 'ARRAY') {
1646: @order = @{$order};
1647: } else {
1648: @order = sort(keys(%$hash));
1.501 banghart 1649: }
1650: if (exists($$hash{'select_form_order'})) {
1651: @order = @{$$hash{'select_form_order'}};
1652: }
1653:
1.284 albertel 1654: foreach my $key (@order) {
1.356 albertel 1655: $output.='<option value="'.&HTML::Entities::encode($key,'"<>&').'" ';
1.284 albertel 1656: $output.='selected="selected" ' if ($selected{$key});
1657: $output.='>'.$hash->{$key}."</option>\n";
1.169 www 1658: }
1659: $output.="</select>\n";
1660: return $output;
1661: }
1662:
1.88 www 1663: #-------------------------------------------
1664:
1665: =pod
1666:
1.648 raeburn 1667: =item * &select_form($defdom,$name,%hash)
1.88 www 1668:
1669: Returns a string containing a <select name='$name' size='1'> form to
1670: allow a user to select options from a hash option_name => displayed text.
1671: See lonrights.pm for an example invocation and use.
1672:
1673: =cut
1674:
1675: #-------------------------------------------
1676: sub select_form {
1677: my ($def,$name,%hash) = @_;
1678: my $selectform = "<select name=\"$name\" size=\"1\">\n";
1.128 albertel 1679: my @keys;
1680: if (exists($hash{'select_form_order'})) {
1681: @keys=@{$hash{'select_form_order'}};
1682: } else {
1683: @keys=sort(keys(%hash));
1684: }
1.356 albertel 1685: foreach my $key (@keys) {
1686: $selectform.=
1687: '<option value="'.&HTML::Entities::encode($key,'"<>&').'" '.
1688: ($key eq $def ? 'selected="selected" ' : '').
1689: ">".&mt($hash{$key})."</option>\n";
1.88 www 1690: }
1691: $selectform.="</select>";
1692: return $selectform;
1693: }
1694:
1.475 www 1695: # For display filters
1696:
1697: sub display_filter {
1698: if (!$env{'form.show'}) { $env{'form.show'}=10; }
1.477 www 1699: if (!$env{'form.displayfilter'}) { $env{'form.displayfilter'}='currentfolder'; }
1.714 bisitz 1700: return '<span class="LC_nobreak"><label>'.&mt('Records [_1]',
1.475 www 1701: &Apache::lonmeta::selectbox('show',$env{'form.show'},undef,
1702: (&mt('all'),10,20,50,100,1000,10000))).
1.714 bisitz 1703: '</label></span> <span class="LC_nobreak">'.
1.475 www 1704: &mt('Filter [_1]',
1.477 www 1705: &select_form($env{'form.displayfilter'},
1706: 'displayfilter',
1707: ('currentfolder' => 'Current folder/page',
1708: 'containing' => 'Containing phrase',
1709: 'none' => 'None'))).
1.714 bisitz 1710: '<input type="text" name="containingphrase" size="30" value="'.&HTML::Entities::encode($env{'form.containingphrase'}).'" /></span>';
1.475 www 1711: }
1712:
1.167 www 1713: sub gradeleveldescription {
1714: my $gradelevel=shift;
1715: my %gradelevels=(0 => 'Not specified',
1716: 1 => 'Grade 1',
1717: 2 => 'Grade 2',
1718: 3 => 'Grade 3',
1719: 4 => 'Grade 4',
1720: 5 => 'Grade 5',
1721: 6 => 'Grade 6',
1722: 7 => 'Grade 7',
1723: 8 => 'Grade 8',
1724: 9 => 'Grade 9',
1725: 10 => 'Grade 10',
1726: 11 => 'Grade 11',
1727: 12 => 'Grade 12',
1728: 13 => 'Grade 13',
1729: 14 => '100 Level',
1730: 15 => '200 Level',
1731: 16 => '300 Level',
1732: 17 => '400 Level',
1733: 18 => 'Graduate Level');
1734: return &mt($gradelevels{$gradelevel});
1735: }
1736:
1.163 www 1737: sub select_level_form {
1738: my ($deflevel,$name)=@_;
1739: unless ($deflevel) { $deflevel=0; }
1.167 www 1740: my $selectform = "<select name=\"$name\" size=\"1\">\n";
1741: for (my $i=0; $i<=18; $i++) {
1742: $selectform.="<option value=\"$i\" ".
1.253 albertel 1743: ($i==$deflevel ? 'selected="selected" ' : '').
1.167 www 1744: ">".&gradeleveldescription($i)."</option>\n";
1745: }
1746: $selectform.="</select>";
1747: return $selectform;
1.163 www 1748: }
1.167 www 1749:
1.35 matthew 1750: #-------------------------------------------
1751:
1.45 matthew 1752: =pod
1753:
1.743 raeburn 1754: =item * &select_dom_form($defdom,$name,$includeempty,$showdomdesc,$autosubmit)
1.35 matthew 1755:
1756: Returns a string containing a <select name='$name' size='1'> form to
1757: allow a user to select the domain to preform an operation in.
1758: See loncreateuser.pm for an example invocation and use.
1759:
1.90 www 1760: If the $includeempty flag is set, it also includes an empty choice ("no domain
1761: selected");
1762:
1.743 raeburn 1763: If the $showdomdesc flag is set, the domain name is followed by the domain description.
1764:
1765: If the $autosubmit flag is set, the form containing the domain selector will be auto-submitted by an onchange action.
1.563 raeburn 1766:
1.35 matthew 1767: =cut
1768:
1769: #-------------------------------------------
1.34 matthew 1770: sub select_dom_form {
1.743 raeburn 1771: my ($defdom,$name,$includeempty,$showdomdesc,$autosubmit) = @_;
1772: my $onchange;
1773: if ($autosubmit) {
1774: $onchange = ' onchange="this.form.submit()"';
1775: }
1.550 albertel 1776: my @domains = sort {lc($a) cmp lc($b)} (&Apache::lonnet::all_domains());
1.90 www 1777: if ($includeempty) { @domains=('',@domains); }
1.743 raeburn 1778: my $selectdomain = "<select name=\"$name\" size=\"1\"$onchange>\n";
1.356 albertel 1779: foreach my $dom (@domains) {
1780: $selectdomain.="<option value=\"$dom\" ".
1.563 raeburn 1781: ($dom eq $defdom ? 'selected="selected" ' : '').'>'.$dom;
1782: if ($showdomdesc) {
1783: if ($dom ne '') {
1784: my $domdesc = &Apache::lonnet::domain($dom,'description');
1785: if ($domdesc ne '') {
1786: $selectdomain .= ' ('.$domdesc.')';
1787: }
1788: }
1789: }
1790: $selectdomain .= "</option>\n";
1.34 matthew 1791: }
1792: $selectdomain.="</select>";
1793: return $selectdomain;
1794: }
1795:
1.35 matthew 1796: #-------------------------------------------
1797:
1.45 matthew 1798: =pod
1799:
1.648 raeburn 1800: =item * &home_server_form_item($domain,$name,$defaultflag)
1.35 matthew 1801:
1.586 raeburn 1802: input: 4 arguments (two required, two optional) -
1803: $domain - domain of new user
1804: $name - name of form element
1805: $default - Value of 'default' causes a default item to be first
1806: option, and selected by default.
1807: $hide - Value of 'hide' causes hiding of the name of the server,
1808: if 1 server found, or default, if 0 found.
1.594 raeburn 1809: output: returns 2 items:
1.586 raeburn 1810: (a) form element which contains either:
1811: (i) <select name="$name">
1812: <option value="$hostid1">$hostid $servers{$hostid}</option>
1813: <option value="$hostid2">$hostid $servers{$hostid}</option>
1814: </select>
1815: form item if there are multiple library servers in $domain, or
1816: (ii) an <input type="hidden" name="$name" value="$hostid" /> form item
1817: if there is only one library server in $domain.
1818:
1819: (b) number of library servers found.
1820:
1821: See loncreateuser.pm for example of use.
1.35 matthew 1822:
1823: =cut
1824:
1825: #-------------------------------------------
1.586 raeburn 1826: sub home_server_form_item {
1827: my ($domain,$name,$default,$hide) = @_;
1.513 albertel 1828: my %servers = &Apache::lonnet::get_servers($domain,'library');
1.586 raeburn 1829: my $result;
1830: my $numlib = keys(%servers);
1831: if ($numlib > 1) {
1832: $result .= '<select name="'.$name.'" />'."\n";
1833: if ($default) {
1834: $result .= '<option value="default" selected>'.&mt('default').
1835: '</option>'."\n";
1836: }
1837: foreach my $hostid (sort(keys(%servers))) {
1838: $result.= '<option value="'.$hostid.'">'.
1839: $hostid.' '.$servers{$hostid}."</option>\n";
1840: }
1841: $result .= '</select>'."\n";
1842: } elsif ($numlib == 1) {
1843: my $hostid;
1844: foreach my $item (keys(%servers)) {
1845: $hostid = $item;
1846: }
1847: $result .= '<input type="hidden" name="'.$name.'" value="'.
1848: $hostid.'" />';
1849: if (!$hide) {
1850: $result .= $hostid.' '.$servers{$hostid};
1851: }
1852: $result .= "\n";
1853: } elsif ($default) {
1854: $result .= '<input type="hidden" name="'.$name.
1855: '" value="default" />';
1856: if (!$hide) {
1857: $result .= &mt('default');
1858: }
1859: $result .= "\n";
1.33 matthew 1860: }
1.586 raeburn 1861: return ($result,$numlib);
1.33 matthew 1862: }
1.112 bowersj2 1863:
1864: =pod
1865:
1.534 albertel 1866: =back
1867:
1.112 bowersj2 1868: =cut
1.87 matthew 1869:
1870: ###############################################################
1.112 bowersj2 1871: ## Decoding User Agent ##
1.87 matthew 1872: ###############################################################
1873:
1874: =pod
1875:
1.112 bowersj2 1876: =head1 Decoding the User Agent
1877:
1878: =over 4
1879:
1880: =item * &decode_user_agent()
1.87 matthew 1881:
1882: Inputs: $r
1883:
1884: Outputs:
1885:
1886: =over 4
1887:
1.112 bowersj2 1888: =item * $httpbrowser
1.87 matthew 1889:
1.112 bowersj2 1890: =item * $clientbrowser
1.87 matthew 1891:
1.112 bowersj2 1892: =item * $clientversion
1.87 matthew 1893:
1.112 bowersj2 1894: =item * $clientmathml
1.87 matthew 1895:
1.112 bowersj2 1896: =item * $clientunicode
1.87 matthew 1897:
1.112 bowersj2 1898: =item * $clientos
1.87 matthew 1899:
1900: =back
1901:
1.157 matthew 1902: =back
1903:
1.87 matthew 1904: =cut
1905:
1906: ###############################################################
1907: ###############################################################
1908: sub decode_user_agent {
1.247 albertel 1909: my ($r)=@_;
1.87 matthew 1910: my @browsertype=split(/\&/,$Apache::lonnet::perlvar{"lonBrowsDet"});
1911: my %mathcap=split(/\&/,$$Apache::lonnet::perlvar{"lonMathML"});
1912: my $httpbrowser=$ENV{"HTTP_USER_AGENT"};
1.247 albertel 1913: if (!$httpbrowser && $r) { $httpbrowser=$r->header_in('User-Agent'); }
1.87 matthew 1914: my $clientbrowser='unknown';
1915: my $clientversion='0';
1916: my $clientmathml='';
1917: my $clientunicode='0';
1918: for (my $i=0;$i<=$#browsertype;$i++) {
1919: my ($bname,$match,$notmatch,$vreg,$minv,$univ)=split(/\:/,$browsertype[$i]);
1920: if (($httpbrowser=~/$match/i) && ($httpbrowser!~/$notmatch/i)) {
1921: $clientbrowser=$bname;
1922: $httpbrowser=~/$vreg/i;
1923: $clientversion=$1;
1924: $clientmathml=($clientversion>=$minv);
1925: $clientunicode=($clientversion>=$univ);
1926: }
1927: }
1928: my $clientos='unknown';
1929: if (($httpbrowser=~/linux/i) ||
1930: ($httpbrowser=~/unix/i) ||
1931: ($httpbrowser=~/ux/i) ||
1932: ($httpbrowser=~/solaris/i)) { $clientos='unix'; }
1933: if (($httpbrowser=~/vax/i) ||
1934: ($httpbrowser=~/vms/i)) { $clientos='vms'; }
1935: if ($httpbrowser=~/next/i) { $clientos='next'; }
1936: if (($httpbrowser=~/mac/i) ||
1937: ($httpbrowser=~/powerpc/i)) { $clientos='mac'; }
1938: if ($httpbrowser=~/win/i) { $clientos='win'; }
1939: if ($httpbrowser=~/embed/i) { $clientos='pda'; }
1940: return ($httpbrowser,$clientbrowser,$clientversion,$clientmathml,
1941: $clientunicode,$clientos,);
1942: }
1943:
1.32 matthew 1944: ###############################################################
1945: ## Authentication changing form generation subroutines ##
1946: ###############################################################
1947: ##
1948: ## All of the authform_xxxxxxx subroutines take their inputs in a
1949: ## hash, and have reasonable default values.
1950: ##
1951: ## formname = the name given in the <form> tag.
1.35 matthew 1952: #-------------------------------------------
1953:
1.45 matthew 1954: =pod
1955:
1.112 bowersj2 1956: =head1 Authentication Routines
1957:
1958: =over 4
1959:
1.648 raeburn 1960: =item * &authform_xxxxxx()
1.35 matthew 1961:
1962: The authform_xxxxxx subroutines provide javascript and html forms which
1963: handle some of the conveniences required for authentication forms.
1964: This is not an optimal method, but it works.
1965:
1966: =over 4
1967:
1.112 bowersj2 1968: =item * authform_header
1.35 matthew 1969:
1.112 bowersj2 1970: =item * authform_authorwarning
1.35 matthew 1971:
1.112 bowersj2 1972: =item * authform_nochange
1.35 matthew 1973:
1.112 bowersj2 1974: =item * authform_kerberos
1.35 matthew 1975:
1.112 bowersj2 1976: =item * authform_internal
1.35 matthew 1977:
1.112 bowersj2 1978: =item * authform_filesystem
1.35 matthew 1979:
1980: =back
1981:
1.648 raeburn 1982: See loncreateuser.pm for invocation and use examples.
1.157 matthew 1983:
1.35 matthew 1984: =cut
1985:
1986: #-------------------------------------------
1.32 matthew 1987: sub authform_header{
1988: my %in = (
1989: formname => 'cu',
1.80 albertel 1990: kerb_def_dom => '',
1.32 matthew 1991: @_,
1992: );
1993: $in{'formname'} = 'document.' . $in{'formname'};
1994: my $result='';
1.80 albertel 1995:
1996: #---------------------------------------------- Code for upper case translation
1997: my $Javascript_toUpperCase;
1998: unless ($in{kerb_def_dom}) {
1999: $Javascript_toUpperCase =<<"END";
2000: switch (choice) {
2001: case 'krb': currentform.elements[choicearg].value =
2002: currentform.elements[choicearg].value.toUpperCase();
2003: break;
2004: default:
2005: }
2006: END
2007: } else {
2008: $Javascript_toUpperCase = "";
2009: }
2010:
1.165 raeburn 2011: my $radioval = "'nochange'";
1.591 raeburn 2012: if (defined($in{'curr_authtype'})) {
2013: if ($in{'curr_authtype'} ne '') {
2014: $radioval = "'".$in{'curr_authtype'}."arg'";
2015: }
1.174 matthew 2016: }
1.165 raeburn 2017: my $argfield = 'null';
1.591 raeburn 2018: if (defined($in{'mode'})) {
1.165 raeburn 2019: if ($in{'mode'} eq 'modifycourse') {
1.591 raeburn 2020: if (defined($in{'curr_autharg'})) {
2021: if ($in{'curr_autharg'} ne '') {
1.165 raeburn 2022: $argfield = "'$in{'curr_autharg'}'";
2023: }
2024: }
2025: }
2026: }
2027:
1.32 matthew 2028: $result.=<<"END";
2029: var current = new Object();
1.165 raeburn 2030: current.radiovalue = $radioval;
2031: current.argfield = $argfield;
1.32 matthew 2032:
2033: function changed_radio(choice,currentform) {
2034: var choicearg = choice + 'arg';
2035: // If a radio button in changed, we need to change the argfield
2036: if (current.radiovalue != choice) {
2037: current.radiovalue = choice;
2038: if (current.argfield != null) {
2039: currentform.elements[current.argfield].value = '';
2040: }
2041: if (choice == 'nochange') {
2042: current.argfield = null;
2043: } else {
2044: current.argfield = choicearg;
2045: switch(choice) {
2046: case 'krb':
2047: currentform.elements[current.argfield].value =
2048: "$in{'kerb_def_dom'}";
2049: break;
2050: default:
2051: break;
2052: }
2053: }
2054: }
2055: return;
2056: }
1.22 www 2057:
1.32 matthew 2058: function changed_text(choice,currentform) {
2059: var choicearg = choice + 'arg';
2060: if (currentform.elements[choicearg].value !='') {
1.80 albertel 2061: $Javascript_toUpperCase
1.32 matthew 2062: // clear old field
2063: if ((current.argfield != choicearg) && (current.argfield != null)) {
2064: currentform.elements[current.argfield].value = '';
2065: }
2066: current.argfield = choicearg;
2067: }
2068: set_auth_radio_buttons(choice,currentform);
2069: return;
1.20 www 2070: }
1.32 matthew 2071:
2072: function set_auth_radio_buttons(newvalue,currentform) {
2073: var i=0;
2074: while (i < currentform.login.length) {
2075: if (currentform.login[i].value == newvalue) { break; }
2076: i++;
2077: }
2078: if (i == currentform.login.length) {
2079: return;
2080: }
2081: current.radiovalue = newvalue;
2082: currentform.login[i].checked = true;
2083: return;
2084: }
2085: END
2086: return $result;
2087: }
2088:
2089: sub authform_authorwarning{
2090: my $result='';
1.144 matthew 2091: $result='<i>'.
2092: &mt('As a general rule, only authors or co-authors should be '.
2093: 'filesystem authenticated '.
2094: '(which allows access to the server filesystem).')."</i>\n";
1.32 matthew 2095: return $result;
2096: }
2097:
2098: sub authform_nochange{
2099: my %in = (
2100: formname => 'document.cu',
2101: kerb_def_dom => 'MSU.EDU',
2102: @_,
2103: );
1.586 raeburn 2104: my ($authnum,%can_assign) = &get_assignable_auth($in{'domain'});
2105: my $result;
2106: if (keys(%can_assign) == 0) {
2107: $result = &mt('Under you current role you are not permitted to change login settings for this user');
2108: } else {
2109: $result = '<label>'.&mt('[_1] Do not change login data',
2110: '<input type="radio" name="login" value="nochange" '.
2111: 'checked="checked" onclick="'.
1.281 albertel 2112: "javascript:changed_radio('nochange',$in{'formname'});".'" />').
2113: '</label>';
1.586 raeburn 2114: }
1.32 matthew 2115: return $result;
2116: }
2117:
1.591 raeburn 2118: sub authform_kerberos {
1.32 matthew 2119: my %in = (
2120: formname => 'document.cu',
2121: kerb_def_dom => 'MSU.EDU',
1.80 albertel 2122: kerb_def_auth => 'krb4',
1.32 matthew 2123: @_,
2124: );
1.586 raeburn 2125: my ($check4,$check5,$krbcheck,$krbarg,$krbver,$result,$authtype,
2126: $autharg,$jscall);
2127: my ($authnum,%can_assign) = &get_assignable_auth($in{'domain'});
1.80 albertel 2128: if ($in{'kerb_def_auth'} eq 'krb5') {
1.772 bisitz 2129: $check5 = ' checked="checked"';
1.80 albertel 2130: } else {
1.772 bisitz 2131: $check4 = ' checked="checked"';
1.80 albertel 2132: }
1.165 raeburn 2133: $krbarg = $in{'kerb_def_dom'};
1.591 raeburn 2134: if (defined($in{'curr_authtype'})) {
2135: if ($in{'curr_authtype'} eq 'krb') {
1.772 bisitz 2136: $krbcheck = ' checked="checked"';
1.623 raeburn 2137: if (defined($in{'mode'})) {
2138: if ($in{'mode'} eq 'modifyuser') {
2139: $krbcheck = '';
2140: }
2141: }
1.591 raeburn 2142: if (defined($in{'curr_kerb_ver'})) {
2143: if ($in{'curr_krb_ver'} eq '5') {
1.772 bisitz 2144: $check5 = ' checked="checked"';
1.591 raeburn 2145: $check4 = '';
2146: } else {
1.772 bisitz 2147: $check4 = ' checked="checked"';
1.591 raeburn 2148: $check5 = '';
2149: }
1.586 raeburn 2150: }
1.591 raeburn 2151: if (defined($in{'curr_autharg'})) {
1.165 raeburn 2152: $krbarg = $in{'curr_autharg'};
2153: }
1.586 raeburn 2154: if (!$can_assign{'krb4'} && !$can_assign{'krb5'}) {
1.591 raeburn 2155: if (defined($in{'curr_autharg'})) {
1.586 raeburn 2156: $result =
2157: &mt('Currently Kerberos authenticated with domain [_1] Version [_2].',
2158: $in{'curr_autharg'},$krbver);
2159: } else {
2160: $result =
2161: &mt('Currently Kerberos authenticated, Version [_1].',$krbver);
2162: }
2163: return $result;
2164: }
2165: }
2166: } else {
2167: if ($authnum == 1) {
2168: $authtype = '<input type="hidden" name="login" value="krb">';
1.165 raeburn 2169: }
2170: }
1.586 raeburn 2171: if (!$can_assign{'krb4'} && !$can_assign{'krb5'}) {
2172: return;
1.587 raeburn 2173: } elsif ($authtype eq '') {
1.591 raeburn 2174: if (defined($in{'mode'})) {
1.587 raeburn 2175: if ($in{'mode'} eq 'modifycourse') {
2176: if ($authnum == 1) {
2177: $authtype = '<input type="hidden" name="login" value="krb">';
2178: }
2179: }
2180: }
1.586 raeburn 2181: }
2182: $jscall = "javascript:changed_radio('krb',$in{'formname'});";
2183: if ($authtype eq '') {
2184: $authtype = '<input type="radio" name="login" value="krb" '.
2185: 'onclick="'.$jscall.'" onchange="'.$jscall.'"'.
2186: $krbcheck.' />';
2187: }
2188: if (($can_assign{'krb4'} && $can_assign{'krb5'}) ||
2189: ($can_assign{'krb4'} && !$can_assign{'krb5'} &&
2190: $in{'curr_authtype'} eq 'krb5') ||
2191: (!$can_assign{'krb4'} && $can_assign{'krb5'} &&
2192: $in{'curr_authtype'} eq 'krb4')) {
2193: $result .= &mt
1.144 matthew 2194: ('[_1] Kerberos authenticated with domain [_2] '.
1.281 albertel 2195: '[_3] Version 4 [_4] Version 5 [_5]',
1.586 raeburn 2196: '<label>'.$authtype,
1.281 albertel 2197: '</label><input type="text" size="10" name="krbarg" '.
1.165 raeburn 2198: 'value="'.$krbarg.'" '.
1.144 matthew 2199: 'onchange="'.$jscall.'" />',
1.281 albertel 2200: '<label><input type="radio" name="krbver" value="4" '.$check4.' />',
2201: '</label><label><input type="radio" name="krbver" value="5" '.$check5.' />',
2202: '</label>');
1.586 raeburn 2203: } elsif ($can_assign{'krb4'}) {
2204: $result .= &mt
2205: ('[_1] Kerberos authenticated with domain [_2] '.
2206: '[_3] Version 4 [_4]',
2207: '<label>'.$authtype,
2208: '</label><input type="text" size="10" name="krbarg" '.
2209: 'value="'.$krbarg.'" '.
2210: 'onchange="'.$jscall.'" />',
2211: '<label><input type="hidden" name="krbver" value="4" />',
2212: '</label>');
2213: } elsif ($can_assign{'krb5'}) {
2214: $result .= &mt
2215: ('[_1] Kerberos authenticated with domain [_2] '.
2216: '[_3] Version 5 [_4]',
2217: '<label>'.$authtype,
2218: '</label><input type="text" size="10" name="krbarg" '.
2219: 'value="'.$krbarg.'" '.
2220: 'onchange="'.$jscall.'" />',
2221: '<label><input type="hidden" name="krbver" value="5" />',
2222: '</label>');
2223: }
1.32 matthew 2224: return $result;
2225: }
2226:
2227: sub authform_internal{
1.586 raeburn 2228: my %in = (
1.32 matthew 2229: formname => 'document.cu',
2230: kerb_def_dom => 'MSU.EDU',
2231: @_,
2232: );
1.586 raeburn 2233: my ($intcheck,$intarg,$result,$authtype,$autharg,$jscall);
2234: my ($authnum,%can_assign) = &get_assignable_auth($in{'domain'});
1.591 raeburn 2235: if (defined($in{'curr_authtype'})) {
2236: if ($in{'curr_authtype'} eq 'int') {
1.586 raeburn 2237: if ($can_assign{'int'}) {
1.772 bisitz 2238: $intcheck = 'checked="checked" ';
1.623 raeburn 2239: if (defined($in{'mode'})) {
2240: if ($in{'mode'} eq 'modifyuser') {
2241: $intcheck = '';
2242: }
2243: }
1.591 raeburn 2244: if (defined($in{'curr_autharg'})) {
1.586 raeburn 2245: $intarg = $in{'curr_autharg'};
2246: }
2247: } else {
2248: $result = &mt('Currently internally authenticated.');
2249: return $result;
1.165 raeburn 2250: }
2251: }
1.586 raeburn 2252: } else {
2253: if ($authnum == 1) {
2254: $authtype = '<input type="hidden" name="login" value="int">';
2255: }
2256: }
2257: if (!$can_assign{'int'}) {
2258: return;
1.587 raeburn 2259: } elsif ($authtype eq '') {
1.591 raeburn 2260: if (defined($in{'mode'})) {
1.587 raeburn 2261: if ($in{'mode'} eq 'modifycourse') {
2262: if ($authnum == 1) {
2263: $authtype = '<input type="hidden" name="login" value="int">';
2264: }
2265: }
2266: }
1.165 raeburn 2267: }
1.586 raeburn 2268: $jscall = "javascript:changed_radio('int',$in{'formname'});";
2269: if ($authtype eq '') {
2270: $authtype = '<input type="radio" name="login" value="int" '.$intcheck.
2271: ' onchange="'.$jscall.'" onclick="'.$jscall.'" />';
2272: }
1.605 bisitz 2273: $autharg = '<input type="password" size="10" name="intarg" value="'.
1.586 raeburn 2274: $intarg.'" onchange="'.$jscall.'" />';
2275: $result = &mt
1.144 matthew 2276: ('[_1] Internally authenticated (with initial password [_2])',
1.586 raeburn 2277: '<label>'.$authtype,'</label>'.$autharg);
1.620 www 2278: $result.="<label><input type=\"checkbox\" name=\"visible\" onClick='if (this.checked) { this.form.intarg.type=\"text\" } else { this.form.intarg.type=\"password\" }' />".&mt('Visible input').'</label>';
1.32 matthew 2279: return $result;
2280: }
2281:
2282: sub authform_local{
2283: my %in = (
2284: formname => 'document.cu',
2285: kerb_def_dom => 'MSU.EDU',
2286: @_,
2287: );
1.586 raeburn 2288: my ($loccheck,$locarg,$result,$authtype,$autharg,$jscall);
2289: my ($authnum,%can_assign) = &get_assignable_auth($in{'domain'});
1.591 raeburn 2290: if (defined($in{'curr_authtype'})) {
2291: if ($in{'curr_authtype'} eq 'loc') {
1.586 raeburn 2292: if ($can_assign{'loc'}) {
1.772 bisitz 2293: $loccheck = 'checked="checked" ';
1.623 raeburn 2294: if (defined($in{'mode'})) {
2295: if ($in{'mode'} eq 'modifyuser') {
2296: $loccheck = '';
2297: }
2298: }
1.591 raeburn 2299: if (defined($in{'curr_autharg'})) {
1.586 raeburn 2300: $locarg = $in{'curr_autharg'};
2301: }
2302: } else {
2303: $result = &mt('Currently using local (institutional) authentication.');
2304: return $result;
1.165 raeburn 2305: }
2306: }
1.586 raeburn 2307: } else {
2308: if ($authnum == 1) {
2309: $authtype = '<input type="hidden" name="login" value="loc">';
2310: }
2311: }
2312: if (!$can_assign{'loc'}) {
2313: return;
1.587 raeburn 2314: } elsif ($authtype eq '') {
1.591 raeburn 2315: if (defined($in{'mode'})) {
1.587 raeburn 2316: if ($in{'mode'} eq 'modifycourse') {
2317: if ($authnum == 1) {
2318: $authtype = '<input type="hidden" name="login" value="loc">';
2319: }
2320: }
2321: }
1.165 raeburn 2322: }
1.586 raeburn 2323: $jscall = "javascript:changed_radio('loc',$in{'formname'});";
2324: if ($authtype eq '') {
2325: $authtype = '<input type="radio" name="login" value="loc" '.
2326: $loccheck.' onchange="'.$jscall.'" onclick="'.
2327: $jscall.'" />';
2328: }
2329: $autharg = '<input type="text" size="10" name="locarg" value="'.
2330: $locarg.'" onchange="'.$jscall.'" />';
2331: $result = &mt('[_1] Local Authentication with argument [_2]',
2332: '<label>'.$authtype,'</label>'.$autharg);
1.32 matthew 2333: return $result;
2334: }
2335:
2336: sub authform_filesystem{
2337: my %in = (
2338: formname => 'document.cu',
2339: kerb_def_dom => 'MSU.EDU',
2340: @_,
2341: );
1.586 raeburn 2342: my ($fsyscheck,$result,$authtype,$autharg,$jscall);
2343: my ($authnum,%can_assign) = &get_assignable_auth($in{'domain'});
1.591 raeburn 2344: if (defined($in{'curr_authtype'})) {
2345: if ($in{'curr_authtype'} eq 'fsys') {
1.586 raeburn 2346: if ($can_assign{'fsys'}) {
1.772 bisitz 2347: $fsyscheck = 'checked="checked" ';
1.623 raeburn 2348: if (defined($in{'mode'})) {
2349: if ($in{'mode'} eq 'modifyuser') {
2350: $fsyscheck = '';
2351: }
2352: }
1.586 raeburn 2353: } else {
2354: $result = &mt('Currently Filesystem Authenticated.');
2355: return $result;
2356: }
2357: }
2358: } else {
2359: if ($authnum == 1) {
2360: $authtype = '<input type="hidden" name="login" value="fsys">';
2361: }
2362: }
2363: if (!$can_assign{'fsys'}) {
2364: return;
1.587 raeburn 2365: } elsif ($authtype eq '') {
1.591 raeburn 2366: if (defined($in{'mode'})) {
1.587 raeburn 2367: if ($in{'mode'} eq 'modifycourse') {
2368: if ($authnum == 1) {
2369: $authtype = '<input type="hidden" name="login" value="fsys">';
2370: }
2371: }
2372: }
1.586 raeburn 2373: }
2374: $jscall = "javascript:changed_radio('fsys',$in{'formname'});";
2375: if ($authtype eq '') {
2376: $authtype = '<input type="radio" name="login" value="fsys" '.
2377: $fsyscheck.' onchange="'.$jscall.'" onclick="'.
2378: $jscall.'" />';
2379: }
2380: $autharg = '<input type="text" size="10" name="fsysarg" value=""'.
2381: ' onchange="'.$jscall.'" />';
2382: $result = &mt
1.144 matthew 2383: ('[_1] Filesystem Authenticated (with initial password [_2])',
1.281 albertel 2384: '<label><input type="radio" name="login" value="fsys" '.
1.586 raeburn 2385: $fsyscheck.'onchange="'.$jscall.'" onclick="'.$jscall.'" />',
1.605 bisitz 2386: '</label><input type="password" size="10" name="fsysarg" value="" '.
1.144 matthew 2387: 'onchange="'.$jscall.'" />');
1.32 matthew 2388: return $result;
2389: }
2390:
1.586 raeburn 2391: sub get_assignable_auth {
2392: my ($dom) = @_;
2393: if ($dom eq '') {
2394: $dom = $env{'request.role.domain'};
2395: }
2396: my %can_assign = (
2397: krb4 => 1,
2398: krb5 => 1,
2399: int => 1,
2400: loc => 1,
2401: );
2402: my %domconfig = &Apache::lonnet::get_dom('configuration',['usercreation'],$dom);
2403: if (ref($domconfig{'usercreation'}) eq 'HASH') {
2404: if (ref($domconfig{'usercreation'}{'authtypes'}) eq 'HASH') {
2405: my $authhash = $domconfig{'usercreation'}{'authtypes'};
2406: my $context;
2407: if ($env{'request.role'} =~ /^au/) {
2408: $context = 'author';
2409: } elsif ($env{'request.role'} =~ /^dc/) {
2410: $context = 'domain';
2411: } elsif ($env{'request.course.id'}) {
2412: $context = 'course';
2413: }
2414: if ($context) {
2415: if (ref($authhash->{$context}) eq 'HASH') {
2416: %can_assign = %{$authhash->{$context}};
2417: }
2418: }
2419: }
2420: }
2421: my $authnum = 0;
2422: foreach my $key (keys(%can_assign)) {
2423: if ($can_assign{$key}) {
2424: $authnum ++;
2425: }
2426: }
2427: if ($can_assign{'krb4'} && $can_assign{'krb5'}) {
2428: $authnum --;
2429: }
2430: return ($authnum,%can_assign);
2431: }
2432:
1.80 albertel 2433: ###############################################################
2434: ## Get Kerberos Defaults for Domain ##
2435: ###############################################################
2436: ##
2437: ## Returns default kerberos version and an associated argument
2438: ## as listed in file domain.tab. If not listed, provides
2439: ## appropriate default domain and kerberos version.
2440: ##
2441: #-------------------------------------------
2442:
2443: =pod
2444:
1.648 raeburn 2445: =item * &get_kerberos_defaults()
1.80 albertel 2446:
2447: get_kerberos_defaults($target_domain) returns the default kerberos
1.641 raeburn 2448: version and domain. If not found, it defaults to version 4 and the
2449: domain of the server.
1.80 albertel 2450:
1.648 raeburn 2451: =over 4
2452:
1.80 albertel 2453: ($def_version, $def_krb_domain) = &get_kerberos_defaults($target_domain);
2454:
1.648 raeburn 2455: =back
2456:
2457: =back
2458:
1.80 albertel 2459: =cut
2460:
2461: #-------------------------------------------
2462: sub get_kerberos_defaults {
2463: my $domain=shift;
1.641 raeburn 2464: my ($krbdef,$krbdefdom);
2465: my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
2466: if (($domdefaults{'auth_def'} =~/^krb(4|5)$/) && ($domdefaults{'auth_arg_def'} ne '')) {
2467: $krbdef = $domdefaults{'auth_def'};
2468: $krbdefdom = $domdefaults{'auth_arg_def'};
2469: } else {
1.80 albertel 2470: $ENV{'SERVER_NAME'}=~/(\w+\.\w+)$/;
2471: my $krbdefdom=$1;
2472: $krbdefdom=~tr/a-z/A-Z/;
2473: $krbdef = "krb4";
2474: }
2475: return ($krbdef,$krbdefdom);
2476: }
1.112 bowersj2 2477:
1.32 matthew 2478:
1.46 matthew 2479: ###############################################################
2480: ## Thesaurus Functions ##
2481: ###############################################################
1.20 www 2482:
1.46 matthew 2483: =pod
1.20 www 2484:
1.112 bowersj2 2485: =head1 Thesaurus Functions
2486:
2487: =over 4
2488:
1.648 raeburn 2489: =item * &initialize_keywords()
1.46 matthew 2490:
2491: Initializes the package variable %Keywords if it is empty. Uses the
2492: package variable $thesaurus_db_file.
2493:
2494: =cut
2495:
2496: ###################################################
2497:
2498: sub initialize_keywords {
2499: return 1 if (scalar keys(%Keywords));
2500: # If we are here, %Keywords is empty, so fill it up
2501: # Make sure the file we need exists...
2502: if (! -e $thesaurus_db_file) {
2503: &Apache::lonnet::logthis("Attempt to access $thesaurus_db_file".
2504: " failed because it does not exist");
2505: return 0;
2506: }
2507: # Set up the hash as a database
2508: my %thesaurus_db;
2509: if (! tie(%thesaurus_db,'GDBM_File',
1.53 albertel 2510: $thesaurus_db_file,&GDBM_READER(),0640)){
1.46 matthew 2511: &Apache::lonnet::logthis("Could not tie \%thesaurus_db to ".
2512: $thesaurus_db_file);
2513: return 0;
2514: }
2515: # Get the average number of appearances of a word.
2516: my $avecount = $thesaurus_db{'average.count'};
2517: # Put keywords (those that appear > average) into %Keywords
2518: while (my ($word,$data)=each (%thesaurus_db)) {
2519: my ($count,undef) = split /:/,$data;
2520: $Keywords{$word}++ if ($count > $avecount);
2521: }
2522: untie %thesaurus_db;
2523: # Remove special values from %Keywords.
1.356 albertel 2524: foreach my $value ('total.count','average.count') {
2525: delete($Keywords{$value}) if (exists($Keywords{$value}));
1.586 raeburn 2526: }
1.46 matthew 2527: return 1;
2528: }
2529:
2530: ###################################################
2531:
2532: =pod
2533:
1.648 raeburn 2534: =item * &keyword($word)
1.46 matthew 2535:
2536: Returns true if $word is a keyword. A keyword is a word that appears more
2537: than the average number of times in the thesaurus database. Calls
2538: &initialize_keywords
2539:
2540: =cut
2541:
2542: ###################################################
1.20 www 2543:
2544: sub keyword {
1.46 matthew 2545: return if (!&initialize_keywords());
2546: my $word=lc(shift());
2547: $word=~s/\W//g;
2548: return exists($Keywords{$word});
1.20 www 2549: }
1.46 matthew 2550:
2551: ###############################################################
2552:
2553: =pod
1.20 www 2554:
1.648 raeburn 2555: =item * &get_related_words()
1.46 matthew 2556:
1.160 matthew 2557: Look up a word in the thesaurus. Takes a scalar argument and returns
1.46 matthew 2558: an array of words. If the keyword is not in the thesaurus, an empty array
2559: will be returned. The order of the words returned is determined by the
2560: database which holds them.
2561:
2562: Uses global $thesaurus_db_file.
2563:
2564: =cut
2565:
2566: ###############################################################
2567: sub get_related_words {
2568: my $keyword = shift;
2569: my %thesaurus_db;
2570: if (! -e $thesaurus_db_file) {
2571: &Apache::lonnet::logthis("Attempt to access $thesaurus_db_file ".
2572: "failed because the file does not exist");
2573: return ();
2574: }
2575: if (! tie(%thesaurus_db,'GDBM_File',
1.53 albertel 2576: $thesaurus_db_file,&GDBM_READER(),0640)){
1.46 matthew 2577: return ();
2578: }
2579: my @Words=();
1.429 www 2580: my $count=0;
1.46 matthew 2581: if (exists($thesaurus_db{$keyword})) {
1.356 albertel 2582: # The first element is the number of times
2583: # the word appears. We do not need it now.
1.429 www 2584: my (undef,@RelatedWords) = (split(/:/,$thesaurus_db{$keyword}));
2585: my (undef,$mostfrequentcount)=split(/\,/,$RelatedWords[0]);
2586: my $threshold=$mostfrequentcount/10;
2587: foreach my $possibleword (@RelatedWords) {
2588: my ($word,$wordcount)=split(/\,/,$possibleword);
2589: if ($wordcount>$threshold) {
2590: push(@Words,$word);
2591: $count++;
2592: if ($count>10) { last; }
2593: }
1.20 www 2594: }
2595: }
1.46 matthew 2596: untie %thesaurus_db;
2597: return @Words;
1.14 harris41 2598: }
1.46 matthew 2599:
1.112 bowersj2 2600: =pod
2601:
2602: =back
2603:
2604: =cut
1.61 www 2605:
2606: # -------------------------------------------------------------- Plaintext name
1.81 albertel 2607: =pod
2608:
1.112 bowersj2 2609: =head1 User Name Functions
2610:
2611: =over 4
2612:
1.648 raeburn 2613: =item * &plainname($uname,$udom,$first)
1.81 albertel 2614:
1.112 bowersj2 2615: Takes a users logon name and returns it as a string in
1.226 albertel 2616: "first middle last generation" form
2617: if $first is set to 'lastname' then it returns it as
2618: 'lastname generation, firstname middlename' if their is a lastname
1.81 albertel 2619:
2620: =cut
1.61 www 2621:
1.295 www 2622:
1.81 albertel 2623: ###############################################################
1.61 www 2624: sub plainname {
1.226 albertel 2625: my ($uname,$udom,$first)=@_;
1.537 albertel 2626: return if (!defined($uname) || !defined($udom));
1.295 www 2627: my %names=&getnames($uname,$udom);
1.226 albertel 2628: my $name=&Apache::lonnet::format_name($names{'firstname'},
2629: $names{'middlename'},
2630: $names{'lastname'},
2631: $names{'generation'},$first);
2632: $name=~s/^\s+//;
1.62 www 2633: $name=~s/\s+$//;
2634: $name=~s/\s+/ /g;
1.353 albertel 2635: if ($name !~ /\S/) { $name=$uname.':'.$udom; }
1.62 www 2636: return $name;
1.61 www 2637: }
1.66 www 2638:
2639: # -------------------------------------------------------------------- Nickname
1.81 albertel 2640: =pod
2641:
1.648 raeburn 2642: =item * &nickname($uname,$udom)
1.81 albertel 2643:
2644: Gets a users name and returns it as a string as
2645:
2646: ""nickname""
1.66 www 2647:
1.81 albertel 2648: if the user has a nickname or
2649:
2650: "first middle last generation"
2651:
2652: if the user does not
2653:
2654: =cut
1.66 www 2655:
2656: sub nickname {
2657: my ($uname,$udom)=@_;
1.537 albertel 2658: return if (!defined($uname) || !defined($udom));
1.295 www 2659: my %names=&getnames($uname,$udom);
1.68 albertel 2660: my $name=$names{'nickname'};
1.66 www 2661: if ($name) {
2662: $name='"'.$name.'"';
2663: } else {
2664: $name=$names{'firstname'}.' '.$names{'middlename'}.' '.
2665: $names{'lastname'}.' '.$names{'generation'};
2666: $name=~s/\s+$//;
2667: $name=~s/\s+/ /g;
2668: }
2669: return $name;
2670: }
2671:
1.295 www 2672: sub getnames {
2673: my ($uname,$udom)=@_;
1.537 albertel 2674: return if (!defined($uname) || !defined($udom));
1.433 albertel 2675: if ($udom eq 'public' && $uname eq 'public') {
2676: return ('lastname' => &mt('Public'));
2677: }
1.295 www 2678: my $id=$uname.':'.$udom;
2679: my ($names,$cached)=&Apache::lonnet::is_cached_new('namescache',$id);
2680: if ($cached) {
2681: return %{$names};
2682: } else {
2683: my %loadnames=&Apache::lonnet::get('environment',
2684: ['firstname','middlename','lastname','generation','nickname'],
2685: $udom,$uname);
2686: &Apache::lonnet::do_cache_new('namescache',$id,\%loadnames);
2687: return %loadnames;
2688: }
2689: }
1.61 www 2690:
1.542 raeburn 2691: # -------------------------------------------------------------------- getemails
1.648 raeburn 2692:
1.542 raeburn 2693: =pod
2694:
1.648 raeburn 2695: =item * &getemails($uname,$udom)
1.542 raeburn 2696:
2697: Gets a user's email information and returns it as a hash with keys:
2698: notification, critnotification, permanentemail
2699:
2700: For notification and critnotification, values are comma-separated lists
1.648 raeburn 2701: of e-mail addresses; for permanentemail, value is a single e-mail address.
1.542 raeburn 2702:
1.648 raeburn 2703:
1.542 raeburn 2704: =cut
2705:
1.648 raeburn 2706:
1.466 albertel 2707: sub getemails {
2708: my ($uname,$udom)=@_;
2709: if ($udom eq 'public' && $uname eq 'public') {
2710: return;
2711: }
1.467 www 2712: if (!$udom) { $udom=$env{'user.domain'}; }
2713: if (!$uname) { $uname=$env{'user.name'}; }
1.466 albertel 2714: my $id=$uname.':'.$udom;
2715: my ($names,$cached)=&Apache::lonnet::is_cached_new('emailscache',$id);
2716: if ($cached) {
2717: return %{$names};
2718: } else {
2719: my %loadnames=&Apache::lonnet::get('environment',
2720: ['notification','critnotification',
2721: 'permanentemail'],
2722: $udom,$uname);
2723: &Apache::lonnet::do_cache_new('emailscache',$id,\%loadnames);
2724: return %loadnames;
2725: }
2726: }
2727:
1.551 albertel 2728: sub flush_email_cache {
2729: my ($uname,$udom)=@_;
2730: if (!$udom) { $udom =$env{'user.domain'}; }
2731: if (!$uname) { $uname=$env{'user.name'}; }
2732: return if ($udom eq 'public' && $uname eq 'public');
2733: my $id=$uname.':'.$udom;
2734: &Apache::lonnet::devalidate_cache_new('emailscache',$id);
2735: }
2736:
1.728 raeburn 2737: # -------------------------------------------------------------------- getlangs
2738:
2739: =pod
2740:
2741: =item * &getlangs($uname,$udom)
2742:
2743: Gets a user's language preference and returns it as a hash with key:
2744: language.
2745:
2746: =cut
2747:
2748:
2749: sub getlangs {
2750: my ($uname,$udom) = @_;
2751: if (!$udom) { $udom =$env{'user.domain'}; }
2752: if (!$uname) { $uname=$env{'user.name'}; }
2753: my $id=$uname.':'.$udom;
2754: my ($langs,$cached)=&Apache::lonnet::is_cached_new('userlangs',$id);
2755: if ($cached) {
2756: return %{$langs};
2757: } else {
2758: my %loadlangs=&Apache::lonnet::get('environment',['languages'],
2759: $udom,$uname);
2760: &Apache::lonnet::do_cache_new('userlangs',$id,\%loadlangs);
2761: return %loadlangs;
2762: }
2763: }
2764:
2765: sub flush_langs_cache {
2766: my ($uname,$udom)=@_;
2767: if (!$udom) { $udom =$env{'user.domain'}; }
2768: if (!$uname) { $uname=$env{'user.name'}; }
2769: return if ($udom eq 'public' && $uname eq 'public');
2770: my $id=$uname.':'.$udom;
2771: &Apache::lonnet::devalidate_cache_new('userlangs',$id);
2772: }
2773:
1.61 www 2774: # ------------------------------------------------------------------ Screenname
1.81 albertel 2775:
2776: =pod
2777:
1.648 raeburn 2778: =item * &screenname($uname,$udom)
1.81 albertel 2779:
2780: Gets a users screenname and returns it as a string
2781:
2782: =cut
1.61 www 2783:
2784: sub screenname {
2785: my ($uname,$udom)=@_;
1.258 albertel 2786: if ($uname eq $env{'user.name'} &&
2787: $udom eq $env{'user.domain'}) {return $env{'environment.screenname'};}
1.212 albertel 2788: my %names=&Apache::lonnet::get('environment',['screenname'],$udom,$uname);
1.68 albertel 2789: return $names{'screenname'};
1.62 www 2790: }
2791:
1.212 albertel 2792:
1.62 www 2793: # ------------------------------------------------------------- Message Wrapper
2794:
2795: sub messagewrapper {
1.369 www 2796: my ($link,$username,$domain,$subject,$text)=@_;
1.62 www 2797: return
1.441 albertel 2798: '<a href="/adm/email?compose=individual&'.
2799: 'recname='.$username.'&recdom='.$domain.
2800: '&subject='.&escape($subject).'&text='.&escape($text).'" '.
1.200 matthew 2801: 'title="'.&mt('Send message').'">'.$link.'</a>';
1.74 www 2802: }
2803: # --------------------------------------------------------------- Notes Wrapper
2804:
2805: sub noteswrapper {
2806: my ($link,$un,$do)=@_;
2807: return
2808: "<a href='/adm/email?recordftf=retrieve&recname=$un&recdom=$do'>$link</a>";
1.62 www 2809: }
2810: # ------------------------------------------------------------- Aboutme Wrapper
2811:
2812: sub aboutmewrapper {
1.166 www 2813: my ($link,$username,$domain,$target)=@_;
1.447 raeburn 2814: if (!defined($username) && !defined($domain)) {
2815: return;
2816: }
1.205 www 2817: return '<a href="/adm/'.$domain.'/'.$username.'/aboutme"'.
1.756 weissno 2818: ($target?' target="$target"':'').' title="'.&mt("View this user's personal information page").'">'.$link.'</a>';
1.62 www 2819: }
2820:
2821: # ------------------------------------------------------------ Syllabus Wrapper
2822:
2823:
2824: sub syllabuswrapper {
1.707 bisitz 2825: my ($linktext,$coursedir,$domain)=@_;
1.208 matthew 2826: return qq{<a href="/public/$domain/$coursedir/syllabus">$linktext</a>};
1.61 www 2827: }
1.14 harris41 2828:
1.208 matthew 2829: sub track_student_link {
1.268 albertel 2830: my ($linktext,$sname,$sdom,$target,$start) = @_;
2831: my $link ="/adm/trackstudent?";
1.208 matthew 2832: my $title = 'View recent activity';
2833: if (defined($sname) && $sname !~ /^\s*$/ &&
2834: defined($sdom) && $sdom !~ /^\s*$/) {
1.268 albertel 2835: $link .= "selected_student=$sname:$sdom";
1.208 matthew 2836: $title .= ' of this student';
1.268 albertel 2837: }
1.208 matthew 2838: if (defined($target) && $target !~ /^\s*$/) {
2839: $target = qq{target="$target"};
2840: } else {
2841: $target = '';
2842: }
1.268 albertel 2843: if ($start) { $link.='&start='.$start; }
1.554 albertel 2844: $title = &mt($title);
2845: $linktext = &mt($linktext);
1.448 albertel 2846: return qq{<a href="$link" title="$title" $target>$linktext</a>}.
2847: &help_open_topic('View_recent_activity');
1.208 matthew 2848: }
2849:
1.508 www 2850: # ===================================================== Display a student photo
2851:
2852:
1.509 albertel 2853: sub student_image_tag {
1.508 www 2854: my ($domain,$user)=@_;
2855: my $imgsrc=&Apache::lonnet::studentphoto($domain,$user,'jpg');
2856: if (($imgsrc) && ($imgsrc ne '/adm/lonKaputt/lonlogo_broken.gif')) {
2857: return '<img src="'.$imgsrc.'" align="right" />';
2858: } else {
2859: return '';
2860: }
2861: }
2862:
1.112 bowersj2 2863: =pod
2864:
2865: =back
2866:
2867: =head1 Access .tab File Data
2868:
2869: =over 4
2870:
1.648 raeburn 2871: =item * &languageids()
1.112 bowersj2 2872:
2873: returns list of all language ids
2874:
2875: =cut
2876:
1.14 harris41 2877: sub languageids {
1.16 harris41 2878: return sort(keys(%language));
1.14 harris41 2879: }
2880:
1.112 bowersj2 2881: =pod
2882:
1.648 raeburn 2883: =item * &languagedescription()
1.112 bowersj2 2884:
2885: returns description of a specified language id
2886:
2887: =cut
2888:
1.14 harris41 2889: sub languagedescription {
1.125 www 2890: my $code=shift;
2891: return ($supported_language{$code}?'* ':'').
2892: $language{$code}.
1.126 www 2893: ($supported_language{$code}?' ('.&mt('interface available').')':'');
1.145 www 2894: }
2895:
2896: sub plainlanguagedescription {
2897: my $code=shift;
2898: return $language{$code};
2899: }
2900:
2901: sub supportedlanguagecode {
2902: my $code=shift;
2903: return $supported_language{$code};
1.97 www 2904: }
2905:
1.112 bowersj2 2906: =pod
2907:
1.648 raeburn 2908: =item * ©rightids()
1.112 bowersj2 2909:
2910: returns list of all copyrights
2911:
2912: =cut
2913:
2914: sub copyrightids {
2915: return sort(keys(%cprtag));
2916: }
2917:
2918: =pod
2919:
1.648 raeburn 2920: =item * ©rightdescription()
1.112 bowersj2 2921:
2922: returns description of a specified copyright id
2923:
2924: =cut
2925:
2926: sub copyrightdescription {
1.166 www 2927: return &mt($cprtag{shift(@_)});
1.112 bowersj2 2928: }
1.197 matthew 2929:
2930: =pod
2931:
1.648 raeburn 2932: =item * &source_copyrightids()
1.192 taceyjo1 2933:
2934: returns list of all source copyrights
2935:
2936: =cut
2937:
2938: sub source_copyrightids {
2939: return sort(keys(%scprtag));
2940: }
2941:
2942: =pod
2943:
1.648 raeburn 2944: =item * &source_copyrightdescription()
1.192 taceyjo1 2945:
2946: returns description of a specified source copyright id
2947:
2948: =cut
2949:
2950: sub source_copyrightdescription {
2951: return &mt($scprtag{shift(@_)});
2952: }
1.112 bowersj2 2953:
2954: =pod
2955:
1.648 raeburn 2956: =item * &filecategories()
1.112 bowersj2 2957:
2958: returns list of all file categories
2959:
2960: =cut
2961:
2962: sub filecategories {
2963: return sort(keys(%category_extensions));
2964: }
2965:
2966: =pod
2967:
1.648 raeburn 2968: =item * &filecategorytypes()
1.112 bowersj2 2969:
2970: returns list of file types belonging to a given file
2971: category
2972:
2973: =cut
2974:
2975: sub filecategorytypes {
1.356 albertel 2976: my ($cat) = @_;
2977: return @{$category_extensions{lc($cat)}};
1.112 bowersj2 2978: }
2979:
2980: =pod
2981:
1.648 raeburn 2982: =item * &fileembstyle()
1.112 bowersj2 2983:
2984: returns embedding style for a specified file type
2985:
2986: =cut
2987:
2988: sub fileembstyle {
2989: return $fe{lc(shift(@_))};
1.169 www 2990: }
2991:
1.351 www 2992: sub filemimetype {
2993: return $fm{lc(shift(@_))};
2994: }
2995:
1.169 www 2996:
2997: sub filecategoryselect {
2998: my ($name,$value)=@_;
1.189 matthew 2999: return &select_form($value,$name,
1.169 www 3000: '' => &mt('Any category'),
3001: map { $_,$_ } sort(keys(%category_extensions)));
1.112 bowersj2 3002: }
3003:
3004: =pod
3005:
1.648 raeburn 3006: =item * &filedescription()
1.112 bowersj2 3007:
3008: returns description for a specified file type
3009:
3010: =cut
3011:
3012: sub filedescription {
1.188 matthew 3013: my $file_description = $fd{lc(shift())};
3014: $file_description =~ s:([\[\]]):~$1:g;
3015: return &mt($file_description);
1.112 bowersj2 3016: }
3017:
3018: =pod
3019:
1.648 raeburn 3020: =item * &filedescriptionex()
1.112 bowersj2 3021:
3022: returns description for a specified file type with
3023: extra formatting
3024:
3025: =cut
3026:
3027: sub filedescriptionex {
3028: my $ex=shift;
1.188 matthew 3029: my $file_description = $fd{lc($ex)};
3030: $file_description =~ s:([\[\]]):~$1:g;
3031: return '.'.$ex.' '.&mt($file_description);
1.112 bowersj2 3032: }
3033:
3034: # End of .tab access
3035: =pod
3036:
3037: =back
3038:
3039: =cut
3040:
3041: # ------------------------------------------------------------------ File Types
3042: sub fileextensions {
3043: return sort(keys(%fe));
3044: }
3045:
1.97 www 3046: # ----------------------------------------------------------- Display Languages
3047: # returns a hash with all desired display languages
3048: #
3049:
3050: sub display_languages {
3051: my %languages=();
1.695 raeburn 3052: foreach my $lang (&Apache::lonlocal::preferred_languages()) {
1.356 albertel 3053: $languages{$lang}=1;
1.97 www 3054: }
3055: &get_unprocessed_cgi($ENV{'QUERY_STRING'},['displaylanguage']);
1.258 albertel 3056: if ($env{'form.displaylanguage'}) {
1.356 albertel 3057: foreach my $lang (split(/\s*(\,|\;|\:)\s*/,$env{'form.displaylanguage'})) {
3058: $languages{$lang}=1;
1.97 www 3059: }
3060: }
3061: return %languages;
1.14 harris41 3062: }
3063:
1.582 albertel 3064: sub languages {
3065: my ($possible_langs) = @_;
1.695 raeburn 3066: my @preferred_langs = &Apache::lonlocal::preferred_languages();
1.582 albertel 3067: if (!ref($possible_langs)) {
3068: if( wantarray ) {
3069: return @preferred_langs;
3070: } else {
3071: return $preferred_langs[0];
3072: }
3073: }
3074: my %possibilities = map { $_ => 1 } (@$possible_langs);
3075: my @preferred_possibilities;
3076: foreach my $preferred_lang (@preferred_langs) {
3077: if (exists($possibilities{$preferred_lang})) {
3078: push(@preferred_possibilities, $preferred_lang);
3079: }
3080: }
3081: if( wantarray ) {
3082: return @preferred_possibilities;
3083: }
3084: return $preferred_possibilities[0];
3085: }
3086:
1.742 raeburn 3087: sub user_lang {
3088: my ($touname,$toudom,$fromcid) = @_;
3089: my @userlangs;
3090: if (($fromcid ne '') && ($env{'course.'.$fromcid.'.languages'} ne '')) {
3091: @userlangs=(@userlangs,split(/\s*(\,|\;|\:)\s*/,
3092: $env{'course.'.$fromcid.'.languages'}));
3093: } else {
3094: my %langhash = &getlangs($touname,$toudom);
3095: if ($langhash{'languages'} ne '') {
3096: @userlangs = split(/\s*(\,|\;|\:)\s*/,$langhash{'languages'});
3097: } else {
3098: my %domdefs = &Apache::lonnet::get_domain_defaults($toudom);
3099: if ($domdefs{'lang_def'} ne '') {
3100: @userlangs = ($domdefs{'lang_def'});
3101: }
3102: }
3103: }
3104: my @languages=&Apache::lonlocal::get_genlanguages(@userlangs);
3105: my $user_lh = Apache::localize->get_handle(@languages);
3106: return $user_lh;
3107: }
3108:
3109:
1.112 bowersj2 3110: ###############################################################
3111: ## Student Answer Attempts ##
3112: ###############################################################
3113:
3114: =pod
3115:
3116: =head1 Alternate Problem Views
3117:
3118: =over 4
3119:
1.648 raeburn 3120: =item * &get_previous_attempt($symb, $username, $domain, $course,
1.112 bowersj2 3121: $getattempt, $regexp, $gradesub)
3122:
3123: Return string with previous attempt on problem. Arguments:
3124:
3125: =over 4
3126:
3127: =item * $symb: Problem, including path
3128:
3129: =item * $username: username of the desired student
3130:
3131: =item * $domain: domain of the desired student
1.14 harris41 3132:
1.112 bowersj2 3133: =item * $course: Course ID
1.14 harris41 3134:
1.112 bowersj2 3135: =item * $getattempt: Leave blank for all attempts, otherwise put
3136: something
1.14 harris41 3137:
1.112 bowersj2 3138: =item * $regexp: if string matches this regexp, the string will be
3139: sent to $gradesub
1.14 harris41 3140:
1.112 bowersj2 3141: =item * $gradesub: routine that processes the string if it matches $regexp
1.14 harris41 3142:
1.112 bowersj2 3143: =back
1.14 harris41 3144:
1.112 bowersj2 3145: The output string is a table containing all desired attempts, if any.
1.16 harris41 3146:
1.112 bowersj2 3147: =cut
1.1 albertel 3148:
3149: sub get_previous_attempt {
1.43 ng 3150: my ($symb,$username,$domain,$course,$getattempt,$regexp,$gradesub)=@_;
1.1 albertel 3151: my $prevattempts='';
1.43 ng 3152: no strict 'refs';
1.1 albertel 3153: if ($symb) {
1.3 albertel 3154: my (%returnhash)=
3155: &Apache::lonnet::restore($symb,$course,$domain,$username);
1.1 albertel 3156: if ($returnhash{'version'}) {
3157: my %lasthash=();
3158: my $version;
3159: for ($version=1;$version<=$returnhash{'version'};$version++) {
1.356 albertel 3160: foreach my $key (sort(split(/\:/,$returnhash{$version.':keys'}))) {
3161: $lasthash{$key}=$returnhash{$version.':'.$key};
1.19 harris41 3162: }
1.1 albertel 3163: }
1.596 albertel 3164: $prevattempts=&start_data_table().&start_data_table_header_row();
3165: $prevattempts.='<th>'.&mt('History').'</th>';
1.356 albertel 3166: foreach my $key (sort(keys(%lasthash))) {
3167: my ($ign,@parts) = split(/\./,$key);
1.41 ng 3168: if ($#parts > 0) {
1.31 albertel 3169: my $data=$parts[-1];
3170: pop(@parts);
1.596 albertel 3171: $prevattempts.='<th>'.&mt('Part ').join('.',@parts).'<br />'.$data.' </th>';
1.31 albertel 3172: } else {
1.41 ng 3173: if ($#parts == 0) {
3174: $prevattempts.='<th>'.$parts[0].'</th>';
3175: } else {
3176: $prevattempts.='<th>'.$ign.'</th>';
3177: }
1.31 albertel 3178: }
1.16 harris41 3179: }
1.596 albertel 3180: $prevattempts.=&end_data_table_header_row();
1.40 ng 3181: if ($getattempt eq '') {
3182: for ($version=1;$version<=$returnhash{'version'};$version++) {
1.596 albertel 3183: $prevattempts.=&start_data_table_row().
3184: '<td>'.&mt('Transaction [_1]',$version).'</td>';
1.356 albertel 3185: foreach my $key (sort(keys(%lasthash))) {
1.581 albertel 3186: my $value = &format_previous_attempt_value($key,
3187: $returnhash{$version.':'.$key});
3188: $prevattempts.='<td>'.$value.' </td>';
1.40 ng 3189: }
1.596 albertel 3190: $prevattempts.=&end_data_table_row();
1.40 ng 3191: }
1.1 albertel 3192: }
1.596 albertel 3193: $prevattempts.=&start_data_table_row().'<td>'.&mt('Current').'</td>';
1.356 albertel 3194: foreach my $key (sort(keys(%lasthash))) {
1.581 albertel 3195: my $value = &format_previous_attempt_value($key,$lasthash{$key});
1.356 albertel 3196: if ($key =~/$regexp$/ && (defined &$gradesub)) {$value = &$gradesub($value)}
1.40 ng 3197: $prevattempts.='<td>'.$value.' </td>';
1.16 harris41 3198: }
1.596 albertel 3199: $prevattempts.= &end_data_table_row().&end_data_table();
1.1 albertel 3200: } else {
1.596 albertel 3201: $prevattempts=
3202: &start_data_table().&start_data_table_row().
3203: '<td>'.&mt('Nothing submitted - no attempts.').'</td>'.
3204: &end_data_table_row().&end_data_table();
1.1 albertel 3205: }
3206: } else {
1.596 albertel 3207: $prevattempts=
3208: &start_data_table().&start_data_table_row().
3209: '<td>'.&mt('No data.').'</td>'.
3210: &end_data_table_row().&end_data_table();
1.1 albertel 3211: }
1.10 albertel 3212: }
3213:
1.581 albertel 3214: sub format_previous_attempt_value {
3215: my ($key,$value) = @_;
3216: if ($key =~ /timestamp/) {
3217: $value = &Apache::lonlocal::locallocaltime($value);
3218: } elsif (ref($value) eq 'ARRAY') {
3219: $value = '('.join(', ', @{ $value }).')';
3220: } else {
3221: $value = &unescape($value);
3222: }
3223: return $value;
3224: }
3225:
3226:
1.107 albertel 3227: sub relative_to_absolute {
3228: my ($url,$output)=@_;
3229: my $parser=HTML::TokeParser->new(\$output);
3230: my $token;
3231: my $thisdir=$url;
3232: my @rlinks=();
3233: while ($token=$parser->get_token) {
3234: if ($token->[0] eq 'S') {
3235: if ($token->[1] eq 'a') {
3236: if ($token->[2]->{'href'}) {
3237: $rlinks[$#rlinks+1]=$token->[2]->{'href'};
3238: }
3239: } elsif ($token->[1] eq 'img' || $token->[1] eq 'embed' ) {
3240: $rlinks[$#rlinks+1]=$token->[2]->{'src'};
3241: } elsif ($token->[1] eq 'base') {
3242: $thisdir=$token->[2]->{'href'};
3243: }
3244: }
3245: }
3246: $thisdir=~s-/[^/]*$--;
1.356 albertel 3247: foreach my $link (@rlinks) {
1.726 raeburn 3248: unless (($link=~/^https?\:\/\//i) ||
1.356 albertel 3249: ($link=~/^\//) ||
3250: ($link=~/^javascript:/i) ||
3251: ($link=~/^mailto:/i) ||
3252: ($link=~/^\#/)) {
3253: my $newlocation=&Apache::lonnet::hreflocation($thisdir,$link);
3254: $output=~s/(\"|\'|\=\s*)\Q$link\E(\"|\'|\s|\>)/$1$newlocation$2/;
1.107 albertel 3255: }
3256: }
3257: # -------------------------------------------------- Deal with Applet codebases
3258: $output=~s/(\<applet[^\>]+)(codebase\=[^\S\>]+)*([^\>]*)\>/$1.($2?$2:' codebase="'.$thisdir.'"').$3.'>'/gei;
3259: return $output;
3260: }
3261:
1.112 bowersj2 3262: =pod
3263:
1.648 raeburn 3264: =item * &get_student_view()
1.112 bowersj2 3265:
3266: show a snapshot of what student was looking at
3267:
3268: =cut
3269:
1.10 albertel 3270: sub get_student_view {
1.186 albertel 3271: my ($symb,$username,$domain,$courseid,$target,$moreenv) = @_;
1.114 www 3272: my ($map,$id,$feedurl) = &Apache::lonnet::decode_symb($symb);
1.186 albertel 3273: my (%form);
1.10 albertel 3274: my @elements=('symb','courseid','domain','username');
3275: foreach my $element (@elements) {
1.186 albertel 3276: $form{'grade_'.$element}=eval '$'.$element #'
1.10 albertel 3277: }
1.186 albertel 3278: if (defined($moreenv)) {
3279: %form=(%form,%{$moreenv});
3280: }
1.236 albertel 3281: if (defined($target)) { $form{'grade_target'} = $target; }
1.107 albertel 3282: $feedurl=&Apache::lonnet::clutter($feedurl);
1.650 www 3283: my ($userview,$response)=&Apache::lonnet::ssi_body($feedurl,%form);
1.11 albertel 3284: $userview=~s/\<body[^\>]*\>//gi;
3285: $userview=~s/\<\/body\>//gi;
3286: $userview=~s/\<html\>//gi;
3287: $userview=~s/\<\/html\>//gi;
3288: $userview=~s/\<head\>//gi;
3289: $userview=~s/\<\/head\>//gi;
3290: $userview=~s/action\s*\=/would_be_action\=/gi;
1.107 albertel 3291: $userview=&relative_to_absolute($feedurl,$userview);
1.650 www 3292: if (wantarray) {
3293: return ($userview,$response);
3294: } else {
3295: return $userview;
3296: }
3297: }
3298:
3299: sub get_student_view_with_retries {
3300: my ($symb,$retries,$username,$domain,$courseid,$target,$moreenv) = @_;
3301:
3302: my $ok = 0; # True if we got a good response.
3303: my $content;
3304: my $response;
3305:
3306: # Try to get the student_view done. within the retries count:
3307:
3308: do {
3309: ($content, $response) = &get_student_view($symb,$username,$domain,$courseid,$target,$moreenv);
3310: $ok = $response->is_success;
3311: if (!$ok) {
3312: &Apache::lonnet::logthis("Failed get_student_view_with_retries on $symb: ".$response->is_success.', '.$response->code.', '.$response->message);
3313: }
3314: $retries--;
3315: } while (!$ok && ($retries > 0));
3316:
3317: if (!$ok) {
3318: $content = ''; # On error return an empty content.
3319: }
1.651 www 3320: if (wantarray) {
3321: return ($content, $response);
3322: } else {
3323: return $content;
3324: }
1.11 albertel 3325: }
3326:
1.112 bowersj2 3327: =pod
3328:
1.648 raeburn 3329: =item * &get_student_answers()
1.112 bowersj2 3330:
3331: show a snapshot of how student was answering problem
3332:
3333: =cut
3334:
1.11 albertel 3335: sub get_student_answers {
1.100 sakharuk 3336: my ($symb,$username,$domain,$courseid,%form) = @_;
1.114 www 3337: my ($map,$id,$feedurl) = &Apache::lonnet::decode_symb($symb);
1.186 albertel 3338: my (%moreenv);
1.11 albertel 3339: my @elements=('symb','courseid','domain','username');
3340: foreach my $element (@elements) {
1.186 albertel 3341: $moreenv{'grade_'.$element}=eval '$'.$element #'
1.10 albertel 3342: }
1.186 albertel 3343: $moreenv{'grade_target'}='answer';
3344: %moreenv=(%form,%moreenv);
1.497 raeburn 3345: $feedurl = &Apache::lonnet::clutter($feedurl);
3346: my $userview=&Apache::lonnet::ssi($feedurl,%moreenv);
1.10 albertel 3347: return $userview;
1.1 albertel 3348: }
1.116 albertel 3349:
3350: =pod
3351:
3352: =item * &submlink()
3353:
1.242 albertel 3354: Inputs: $text $uname $udom $symb $target
1.116 albertel 3355:
3356: Returns: A link to grades.pm such as to see the SUBM view of a student
3357:
3358: =cut
3359:
3360: ###############################################
3361: sub submlink {
1.242 albertel 3362: my ($text,$uname,$udom,$symb,$target)=@_;
1.116 albertel 3363: if (!($uname && $udom)) {
3364: (my $cursymb, my $courseid,$udom,$uname)=
1.463 albertel 3365: &Apache::lonnet::whichuser($symb);
1.116 albertel 3366: if (!$symb) { $symb=$cursymb; }
3367: }
1.254 matthew 3368: if (!$symb) { $symb=&Apache::lonnet::symbread(); }
1.369 www 3369: $symb=&escape($symb);
1.242 albertel 3370: if ($target) { $target="target=\"$target\""; }
3371: return '<a href="/adm/grades?&command=submission&'.
3372: 'symb='.$symb.'&student='.$uname.
3373: '&userdom='.$udom.'" '.$target.'>'.$text.'</a>';
3374: }
3375: ##############################################
3376:
3377: =pod
3378:
3379: =item * &pgrdlink()
3380:
3381: Inputs: $text $uname $udom $symb $target
3382:
3383: Returns: A link to grades.pm such as to see the PGRD view of a student
3384:
3385: =cut
3386:
3387: ###############################################
3388: sub pgrdlink {
3389: my $link=&submlink(@_);
3390: $link=~s/(&command=submission)/$1&showgrading=yes/;
3391: return $link;
3392: }
3393: ##############################################
3394:
3395: =pod
3396:
3397: =item * &pprmlink()
3398:
3399: Inputs: $text $uname $udom $symb $target
3400:
3401: Returns: A link to parmset.pm such as to see the PPRM view of a
1.283 albertel 3402: student and a specific resource
1.242 albertel 3403:
3404: =cut
3405:
3406: ###############################################
3407: sub pprmlink {
3408: my ($text,$uname,$udom,$symb,$target)=@_;
3409: if (!($uname && $udom)) {
3410: (my $cursymb, my $courseid,$udom,$uname)=
1.463 albertel 3411: &Apache::lonnet::whichuser($symb);
1.242 albertel 3412: if (!$symb) { $symb=$cursymb; }
3413: }
1.254 matthew 3414: if (!$symb) { $symb=&Apache::lonnet::symbread(); }
1.369 www 3415: $symb=&escape($symb);
1.242 albertel 3416: if ($target) { $target="target=\"$target\""; }
1.595 albertel 3417: return '<a href="/adm/parmset?command=set&'.
3418: 'symb='.$symb.'&uname='.$uname.
3419: '&udom='.$udom.'" '.$target.'>'.$text.'</a>';
1.116 albertel 3420: }
3421: ##############################################
1.37 matthew 3422:
1.112 bowersj2 3423: =pod
3424:
3425: =back
3426:
3427: =cut
3428:
1.37 matthew 3429: ###############################################
1.51 www 3430:
3431:
3432: sub timehash {
1.687 raeburn 3433: my ($thistime) = @_;
3434: my $timezone = &Apache::lonlocal::gettimezone();
3435: my $dt = DateTime->from_epoch(epoch => $thistime)
3436: ->set_time_zone($timezone);
3437: my $wday = $dt->day_of_week();
3438: if ($wday == 7) { $wday = 0; }
3439: return ( 'second' => $dt->second(),
3440: 'minute' => $dt->minute(),
3441: 'hour' => $dt->hour(),
3442: 'day' => $dt->day_of_month(),
3443: 'month' => $dt->month(),
3444: 'year' => $dt->year(),
3445: 'weekday' => $wday,
3446: 'dayyear' => $dt->day_of_year(),
3447: 'dlsav' => $dt->is_dst() );
1.51 www 3448: }
3449:
1.370 www 3450: sub utc_string {
3451: my ($date)=@_;
1.371 www 3452: return strftime("%Y%m%dT%H%M%SZ",gmtime($date));
1.370 www 3453: }
3454:
1.51 www 3455: sub maketime {
3456: my %th=@_;
1.687 raeburn 3457: my ($epoch_time,$timezone,$dt);
3458: $timezone = &Apache::lonlocal::gettimezone();
3459: eval {
3460: $dt = DateTime->new( year => $th{'year'},
3461: month => $th{'month'},
3462: day => $th{'day'},
3463: hour => $th{'hour'},
3464: minute => $th{'minute'},
3465: second => $th{'second'},
3466: time_zone => $timezone,
3467: );
3468: };
3469: if (!$@) {
3470: $epoch_time = $dt->epoch;
3471: if ($epoch_time) {
3472: return $epoch_time;
3473: }
3474: }
1.51 www 3475: return POSIX::mktime(
3476: ($th{'seconds'},$th{'minutes'},$th{'hours'},
1.210 www 3477: $th{'day'},$th{'month'}-1,$th{'year'}-1900,0,0,-1));
1.70 www 3478: }
3479:
3480: #########################################
1.51 www 3481:
3482: sub findallcourses {
1.482 raeburn 3483: my ($roles,$uname,$udom) = @_;
1.355 albertel 3484: my %roles;
3485: if (ref($roles)) { %roles = map { $_ => 1 } @{$roles}; }
1.348 albertel 3486: my %courses;
1.51 www 3487: my $now=time;
1.482 raeburn 3488: if (!defined($uname)) {
3489: $uname = $env{'user.name'};
3490: }
3491: if (!defined($udom)) {
3492: $udom = $env{'user.domain'};
3493: }
3494: if (($uname ne $env{'user.name'}) || ($udom ne $env{'user.domain'})) {
3495: my %roleshash = &Apache::lonnet::dump('roles',$udom,$uname);
3496: if (!%roles) {
3497: %roles = (
3498: cc => 1,
3499: in => 1,
3500: ep => 1,
3501: ta => 1,
3502: cr => 1,
3503: st => 1,
3504: );
3505: }
3506: foreach my $entry (keys(%roleshash)) {
3507: my ($trole,$tend,$tstart) = split(/_/,$roleshash{$entry});
3508: if ($trole =~ /^cr/) {
3509: next if (!exists($roles{$trole}) && !exists($roles{'cr'}));
3510: } else {
3511: next if (!exists($roles{$trole}));
3512: }
3513: if ($tend) {
3514: next if ($tend < $now);
3515: }
3516: if ($tstart) {
3517: next if ($tstart > $now);
3518: }
3519: my ($cdom,$cnum,$sec,$cnumpart,$secpart,$role,$realsec);
3520: (undef,$cdom,$cnumpart,$secpart) = split(/\//,$entry);
3521: if ($secpart eq '') {
3522: ($cnum,$role) = split(/_/,$cnumpart);
3523: $sec = 'none';
3524: $realsec = '';
3525: } else {
3526: $cnum = $cnumpart;
3527: ($sec,$role) = split(/_/,$secpart);
3528: $realsec = $sec;
1.490 raeburn 3529: }
1.482 raeburn 3530: $courses{$cdom.'_'.$cnum}{$sec} = $trole.'/'.$cdom.'/'.$cnum.'/'.$realsec;
3531: }
3532: } else {
3533: foreach my $key (keys(%env)) {
1.483 albertel 3534: if ( $key=~m{^user\.role\.(\w+)\./($match_domain)/($match_courseid)/?(\w*)$} ||
3535: $key=~m{^user\.role\.(cr/$match_domain/$match_username/\w+)\./($match_domain)/($match_courseid)/?(\w*)$}) {
1.482 raeburn 3536: my ($role,$cdom,$cnum,$sec) = ($1,$2,$3,$4);
3537: next if ($role eq 'ca' || $role eq 'aa');
3538: next if (%roles && !exists($roles{$role}));
3539: my ($starttime,$endtime)=split(/\./,$env{$key});
3540: my $active=1;
3541: if ($starttime) {
3542: if ($now<$starttime) { $active=0; }
3543: }
3544: if ($endtime) {
3545: if ($now>$endtime) { $active=0; }
3546: }
3547: if ($active) {
3548: if ($sec eq '') {
3549: $sec = 'none';
3550: }
3551: $courses{$cdom.'_'.$cnum}{$sec} =
3552: $role.'/'.$cdom.'/'.$cnum.'/'.$sec;
1.474 raeburn 3553: }
3554: }
1.51 www 3555: }
3556: }
1.474 raeburn 3557: return %courses;
1.51 www 3558: }
1.37 matthew 3559:
1.54 www 3560: ###############################################
1.474 raeburn 3561:
3562: sub blockcheck {
1.482 raeburn 3563: my ($setters,$activity,$uname,$udom) = @_;
1.490 raeburn 3564:
3565: if (!defined($udom)) {
3566: $udom = $env{'user.domain'};
3567: }
3568: if (!defined($uname)) {
3569: $uname = $env{'user.name'};
3570: }
3571:
3572: # If uname and udom are for a course, check for blocks in the course.
3573:
3574: if (&Apache::lonnet::is_course($udom,$uname)) {
3575: my %records = &Apache::lonnet::dump('comm_block',$udom,$uname);
1.502 raeburn 3576: my ($startblock,$endblock)=&get_blocks($setters,$activity,$udom,$uname);
1.490 raeburn 3577: return ($startblock,$endblock);
3578: }
1.474 raeburn 3579:
1.502 raeburn 3580: my $startblock = 0;
3581: my $endblock = 0;
1.482 raeburn 3582: my %live_courses = &findallcourses(undef,$uname,$udom);
1.474 raeburn 3583:
1.490 raeburn 3584: # If uname is for a user, and activity is course-specific, i.e.,
3585: # boards, chat or groups, check for blocking in current course only.
1.474 raeburn 3586:
1.490 raeburn 3587: if (($activity eq 'boards' || $activity eq 'chat' ||
3588: $activity eq 'groups') && ($env{'request.course.id'})) {
3589: foreach my $key (keys(%live_courses)) {
3590: if ($key ne $env{'request.course.id'}) {
3591: delete($live_courses{$key});
3592: }
3593: }
3594: }
3595:
3596: my $otheruser = 0;
3597: my %own_courses;
3598: if ((($uname ne $env{'user.name'})) || ($udom ne $env{'user.domain'})) {
3599: # Resource belongs to user other than current user.
3600: $otheruser = 1;
3601: # Gather courses for current user
3602: %own_courses =
3603: &findallcourses(undef,$env{'user.name'},$env{'user.domain'});
3604: }
3605:
3606: # Gather active course roles - course coordinator, instructor,
3607: # exam proctor, ta, student, or custom role.
1.474 raeburn 3608:
3609: foreach my $course (keys(%live_courses)) {
1.482 raeburn 3610: my ($cdom,$cnum);
3611: if ((defined($env{'course.'.$course.'.domain'})) && (defined($env{'course.'.$course.'.num'}))) {
3612: $cdom = $env{'course.'.$course.'.domain'};
3613: $cnum = $env{'course.'.$course.'.num'};
3614: } else {
1.490 raeburn 3615: ($cdom,$cnum) = split(/_/,$course);
1.482 raeburn 3616: }
3617: my $no_ownblock = 0;
3618: my $no_userblock = 0;
1.533 raeburn 3619: if ($otheruser && $activity ne 'com') {
1.490 raeburn 3620: # Check if current user has 'evb' priv for this
3621: if (defined($own_courses{$course})) {
3622: foreach my $sec (keys(%{$own_courses{$course}})) {
3623: my $checkrole = 'cm./'.$cdom.'/'.$cnum;
3624: if ($sec ne 'none') {
3625: $checkrole .= '/'.$sec;
3626: }
3627: if (&Apache::lonnet::allowed('evb',undef,undef,$checkrole)) {
3628: $no_ownblock = 1;
3629: last;
3630: }
3631: }
3632: }
3633: # if they have 'evb' priv and are currently not playing student
3634: next if (($no_ownblock) &&
3635: ($env{'request.role'} !~ m{^st\./$cdom/$cnum}));
3636: }
1.474 raeburn 3637: foreach my $sec (keys(%{$live_courses{$course}})) {
1.482 raeburn 3638: my $checkrole = 'cm./'.$cdom.'/'.$cnum;
1.474 raeburn 3639: if ($sec ne 'none') {
1.482 raeburn 3640: $checkrole .= '/'.$sec;
1.474 raeburn 3641: }
1.490 raeburn 3642: if ($otheruser) {
3643: # Resource belongs to user other than current user.
3644: # Assemble privs for that user, and check for 'evb' priv.
1.482 raeburn 3645: my ($trole,$tdom,$tnum,$tsec);
3646: my $entry = $live_courses{$course}{$sec};
3647: if ($entry =~ /^cr/) {
3648: ($trole,$tdom,$tnum,$tsec) =
3649: ($entry =~ m|^(cr/$match_domain/$match_username/\w+)\./($match_domain)/($match_username)/?(\w*)$|);
3650: } else {
3651: ($trole,$tdom,$tnum,$tsec) = split(/\//,$entry);
3652: }
3653: my ($spec,$area,$trest,%allroles,%userroles);
3654: $area = '/'.$tdom.'/'.$tnum;
3655: $trest = $tnum;
3656: if ($tsec ne '') {
3657: $area .= '/'.$tsec;
3658: $trest .= '/'.$tsec;
3659: }
3660: $spec = $trole.'.'.$area;
3661: if ($trole =~ /^cr/) {
3662: &Apache::lonnet::custom_roleprivs(\%allroles,$trole,
3663: $tdom,$spec,$trest,$area);
3664: } else {
3665: &Apache::lonnet::standard_roleprivs(\%allroles,$trole,
3666: $tdom,$spec,$trest,$area);
3667: }
3668: my ($author,$adv) = &Apache::lonnet::set_userprivs(\%userroles,\%allroles);
1.486 raeburn 3669: if ($userroles{'user.priv.'.$checkrole} =~ /evb\&([^\:]*)/) {
3670: if ($1) {
3671: $no_userblock = 1;
3672: last;
3673: }
3674: }
1.490 raeburn 3675: } else {
3676: # Resource belongs to current user
3677: # Check for 'evb' priv via lonnet::allowed().
1.482 raeburn 3678: if (&Apache::lonnet::allowed('evb',undef,undef,$checkrole)) {
3679: $no_ownblock = 1;
3680: last;
3681: }
1.474 raeburn 3682: }
3683: }
3684: # if they have the evb priv and are currently not playing student
1.482 raeburn 3685: next if (($no_ownblock) &&
1.491 albertel 3686: ($env{'request.role'} !~ m{^st\./\Q$cdom\E/\Q$cnum\E}));
1.482 raeburn 3687: next if ($no_userblock);
1.474 raeburn 3688:
1.490 raeburn 3689: # Retrieve blocking times and identity of blocker for course
3690: # of specified user, unless user has 'evb' privilege.
1.502 raeburn 3691:
3692: my ($start,$end)=&get_blocks($setters,$activity,$cdom,$cnum);
3693: if (($start != 0) &&
3694: (($startblock == 0) || ($startblock > $start))) {
3695: $startblock = $start;
3696: }
3697: if (($end != 0) &&
3698: (($endblock == 0) || ($endblock < $end))) {
3699: $endblock = $end;
3700: }
1.490 raeburn 3701: }
3702: return ($startblock,$endblock);
3703: }
3704:
3705: sub get_blocks {
3706: my ($setters,$activity,$cdom,$cnum) = @_;
3707: my $startblock = 0;
3708: my $endblock = 0;
3709: my $course = $cdom.'_'.$cnum;
3710: $setters->{$course} = {};
3711: $setters->{$course}{'staff'} = [];
3712: $setters->{$course}{'times'} = [];
3713: my %records = &Apache::lonnet::dump('comm_block',$cdom,$cnum);
3714: foreach my $record (keys(%records)) {
3715: my ($start,$end) = ($record =~ m/^(\d+)____(\d+)$/);
3716: if ($start <= time && $end >= time) {
3717: my ($staff_name,$staff_dom,$title,$blocks) =
3718: &parse_block_record($records{$record});
3719: if ($blocks->{$activity} eq 'on') {
3720: push(@{$$setters{$course}{'staff'}},[$staff_name,$staff_dom]);
3721: push(@{$$setters{$course}{'times'}}, [$start,$end]);
1.491 albertel 3722: if ( ($startblock == 0) || ($startblock > $start) ) {
3723: $startblock = $start;
1.490 raeburn 3724: }
1.491 albertel 3725: if ( ($endblock == 0) || ($endblock < $end) ) {
3726: $endblock = $end;
1.474 raeburn 3727: }
3728: }
3729: }
3730: }
3731: return ($startblock,$endblock);
3732: }
3733:
3734: sub parse_block_record {
3735: my ($record) = @_;
3736: my ($setuname,$setudom,$title,$blocks);
3737: if (ref($record) eq 'HASH') {
3738: ($setuname,$setudom) = split(/:/,$record->{'setter'});
3739: $title = &unescape($record->{'event'});
3740: $blocks = $record->{'blocks'};
3741: } else {
3742: my @data = split(/:/,$record,3);
3743: if (scalar(@data) eq 2) {
3744: $title = $data[1];
3745: ($setuname,$setudom) = split(/@/,$data[0]);
3746: } else {
3747: ($setuname,$setudom,$title) = @data;
3748: }
3749: $blocks = { 'com' => 'on' };
3750: }
3751: return ($setuname,$setudom,$title,$blocks);
3752: }
3753:
3754: sub build_block_table {
3755: my ($startblock,$endblock,$setters) = @_;
3756: my %lt = &Apache::lonlocal::texthash(
3757: 'cacb' => 'Currently active communication blocks',
3758: 'cour' => 'Course',
3759: 'dura' => 'Duration',
3760: 'blse' => 'Block set by'
3761: );
3762: my $output;
1.476 raeburn 3763: $output = '<br />'.$lt{'cacb'}.':<br />';
1.474 raeburn 3764: $output .= &start_data_table();
3765: $output .= '
3766: <tr>
3767: <th>'.$lt{'cour'}.'</th>
3768: <th>'.$lt{'dura'}.'</th>
3769: <th>'.$lt{'blse'}.'</th>
3770: </tr>
3771: ';
3772: foreach my $course (keys(%{$setters})) {
3773: my %courseinfo=&Apache::lonnet::coursedescription($course);
3774: for (my $i=0; $i<@{$$setters{$course}{staff}}; $i++) {
3775: my ($uname,$udom) = @{$$setters{$course}{staff}[$i]};
1.490 raeburn 3776: my $fullname = &plainname($uname,$udom);
3777: if (defined($env{'user.name'}) && defined($env{'user.domain'})
3778: && $env{'user.name'} ne 'public'
3779: && $env{'user.domain'} ne 'public') {
3780: $fullname = &aboutmewrapper($fullname,$uname,$udom);
3781: }
1.474 raeburn 3782: my ($openblock,$closeblock) = @{$$setters{$course}{times}[$i]};
3783: $openblock = &Apache::lonlocal::locallocaltime($openblock);
3784: $closeblock= &Apache::lonlocal::locallocaltime($closeblock);
3785: $output .= &Apache::loncommon::start_data_table_row().
3786: '<td>'.$courseinfo{'description'}.'</td>'.
3787: '<td>'.$openblock.' to '.$closeblock.'</td>'.
1.490 raeburn 3788: '<td>'.$fullname.'</td>'.
1.474 raeburn 3789: &Apache::loncommon::end_data_table_row();
3790: }
3791: }
3792: $output .= &end_data_table();
3793: }
3794:
1.490 raeburn 3795: sub blocking_status {
3796: my ($activity,$uname,$udom) = @_;
3797: my %setters;
3798: my ($blocked,$output,$ownitem,$is_course);
3799: my ($startblock,$endblock)=&blockcheck(\%setters,$activity,$uname,$udom);
3800: if ($startblock && $endblock) {
3801: $blocked = 1;
3802: if (wantarray) {
3803: my $category;
3804: if ($activity eq 'boards') {
3805: $category = 'Discussion posts in this course';
3806: } elsif ($activity eq 'blogs') {
3807: $category = 'Blogs';
3808: } elsif ($activity eq 'port') {
3809: if (defined($uname) && defined($udom)) {
3810: if ($uname eq $env{'user.name'} &&
3811: $udom eq $env{'user.domain'}) {
3812: $ownitem = 1;
3813: }
3814: }
3815: $is_course = &Apache::lonnet::is_course($udom,$uname);
3816: if ($ownitem) {
3817: $category = 'Your portfolio files';
3818: } elsif ($is_course) {
3819: my $coursedesc;
3820: foreach my $course (keys(%setters)) {
3821: my %courseinfo =
3822: &Apache::lonnet::coursedescription($course);
3823: $coursedesc = $courseinfo{'description'};
3824: }
1.764 weissno 3825: $category = "Group portfolio in the course '$coursedesc'";
1.490 raeburn 3826: } else {
3827: $category = 'Portfolio files belonging to ';
3828: if ($env{'user.name'} eq 'public' &&
3829: $env{'user.domain'} eq 'public') {
3830: $category .= &plainname($uname,$udom);
3831: } else {
3832: $category .= &aboutmewrapper(&plainname($uname,$udom),$uname,$udom);
3833: }
3834: }
3835: } elsif ($activity eq 'groups') {
3836: $category = 'Groups in this course';
3837: }
3838: my $showstart = &Apache::lonlocal::locallocaltime($startblock);
3839: my $showend = &Apache::lonlocal::locallocaltime($endblock);
3840: $output = '<br />'.&mt('[_1] will be inaccessible between [_2] and [_3] because communication is being blocked.',$category,$showstart,$showend).'<br />';
3841: if (!($activity eq 'port' && !($ownitem) && !($is_course))) {
3842: $output .= &build_block_table($startblock,$endblock,\%setters);
3843: }
3844: }
3845: }
3846: if (wantarray) {
3847: return ($blocked,$output);
3848: } else {
3849: return $blocked;
3850: }
3851: }
3852:
1.60 matthew 3853: ###############################################
3854:
1.682 raeburn 3855: sub check_ip_acc {
3856: my ($acc)=@_;
3857: &Apache::lonxml::debug("acc is $acc");
3858: if (!defined($acc) || $acc =~ /^\s*$/ || $acc =~/^\s*no\s*$/i) {
3859: return 1;
3860: }
3861: my $allowed=0;
3862: my $ip=$env{'request.host'} || $ENV{'REMOTE_ADDR'};
3863:
3864: my $name;
3865: foreach my $pattern (split(',',$acc)) {
3866: $pattern =~ s/^\s*//;
3867: $pattern =~ s/\s*$//;
3868: if ($pattern =~ /\*$/) {
3869: #35.8.*
3870: $pattern=~s/\*//;
3871: if ($ip =~ /^\Q$pattern\E/) { $allowed=1; }
3872: } elsif ($pattern =~ /(\d+\.\d+\.\d+)\.\[(\d+)-(\d+)\]$/) {
3873: #35.8.3.[34-56]
3874: my $low=$2;
3875: my $high=$3;
3876: $pattern=$1;
3877: if ($ip =~ /^\Q$pattern\E/) {
3878: my $last=(split(/\./,$ip))[3];
3879: if ($last <=$high && $last >=$low) { $allowed=1; }
3880: }
3881: } elsif ($pattern =~ /^\*/) {
3882: #*.msu.edu
3883: $pattern=~s/\*//;
3884: if (!defined($name)) {
3885: use Socket;
3886: my $netaddr=inet_aton($ip);
3887: ($name)=gethostbyaddr($netaddr,AF_INET);
3888: }
3889: if ($name =~ /\Q$pattern\E$/i) { $allowed=1; }
3890: } elsif ($pattern =~ /\d+\.\d+\.\d+\.\d+/) {
3891: #127.0.0.1
3892: if ($ip =~ /^\Q$pattern\E/) { $allowed=1; }
3893: } else {
3894: #some.name.com
3895: if (!defined($name)) {
3896: use Socket;
3897: my $netaddr=inet_aton($ip);
3898: ($name)=gethostbyaddr($netaddr,AF_INET);
3899: }
3900: if ($name =~ /\Q$pattern\E$/i) { $allowed=1; }
3901: }
3902: if ($allowed) { last; }
3903: }
3904: return $allowed;
3905: }
3906:
3907: ###############################################
3908:
1.60 matthew 3909: =pod
3910:
1.112 bowersj2 3911: =head1 Domain Template Functions
3912:
3913: =over 4
3914:
3915: =item * &determinedomain()
1.60 matthew 3916:
3917: Inputs: $domain (usually will be undef)
3918:
1.63 www 3919: Returns: Determines which domain should be used for designs
1.60 matthew 3920:
3921: =cut
1.54 www 3922:
1.60 matthew 3923: ###############################################
1.63 www 3924: sub determinedomain {
3925: my $domain=shift;
1.531 albertel 3926: if (! $domain) {
1.60 matthew 3927: # Determine domain if we have not been given one
3928: $domain = $Apache::lonnet::perlvar{'lonDefDomain'};
1.258 albertel 3929: if ($env{'user.domain'}) { $domain=$env{'user.domain'}; }
3930: if ($env{'request.role.domain'}) {
3931: $domain=$env{'request.role.domain'};
1.60 matthew 3932: }
3933: }
1.63 www 3934: return $domain;
3935: }
3936: ###############################################
1.517 raeburn 3937:
1.518 albertel 3938: sub devalidate_domconfig_cache {
3939: my ($udom)=@_;
3940: &Apache::lonnet::devalidate_cache_new('domainconfig',$udom);
3941: }
3942:
3943: # ---------------------- Get domain configuration for a domain
3944: sub get_domainconf {
3945: my ($udom) = @_;
3946: my $cachetime=1800;
3947: my ($result,$cached)=&Apache::lonnet::is_cached_new('domainconfig',$udom);
3948: if (defined($cached)) { return %{$result}; }
3949:
3950: my %domconfig = &Apache::lonnet::get_dom('configuration',
3951: ['login','rolecolors'],$udom);
1.632 raeburn 3952: my (%designhash,%legacy);
1.518 albertel 3953: if (keys(%domconfig) > 0) {
3954: if (ref($domconfig{'login'}) eq 'HASH') {
1.632 raeburn 3955: if (keys(%{$domconfig{'login'}})) {
3956: foreach my $key (keys(%{$domconfig{'login'}})) {
1.699 raeburn 3957: if (ref($domconfig{'login'}{$key}) eq 'HASH') {
3958: foreach my $img (keys(%{$domconfig{'login'}{$key}})) {
3959: $designhash{$udom.'.login.'.$key.'_'.$img} =
3960: $domconfig{'login'}{$key}{$img};
3961: }
3962: } else {
3963: $designhash{$udom.'.login.'.$key}=$domconfig{'login'}{$key};
3964: }
1.632 raeburn 3965: }
3966: } else {
3967: $legacy{'login'} = 1;
1.518 albertel 3968: }
1.632 raeburn 3969: } else {
3970: $legacy{'login'} = 1;
1.518 albertel 3971: }
3972: if (ref($domconfig{'rolecolors'}) eq 'HASH') {
1.632 raeburn 3973: if (keys(%{$domconfig{'rolecolors'}})) {
3974: foreach my $role (keys(%{$domconfig{'rolecolors'}})) {
3975: if (ref($domconfig{'rolecolors'}{$role}) eq 'HASH') {
3976: foreach my $item (keys(%{$domconfig{'rolecolors'}{$role}})) {
3977: $designhash{$udom.'.'.$role.'.'.$item}=$domconfig{'rolecolors'}{$role}{$item};
3978: }
1.518 albertel 3979: }
3980: }
1.632 raeburn 3981: } else {
3982: $legacy{'rolecolors'} = 1;
1.518 albertel 3983: }
1.632 raeburn 3984: } else {
3985: $legacy{'rolecolors'} = 1;
1.518 albertel 3986: }
1.632 raeburn 3987: if (keys(%legacy) > 0) {
3988: my %legacyhash = &get_legacy_domconf($udom);
3989: foreach my $item (keys(%legacyhash)) {
3990: if ($item =~ /^\Q$udom\E\.login/) {
3991: if ($legacy{'login'}) {
3992: $designhash{$item} = $legacyhash{$item};
3993: }
3994: } else {
3995: if ($legacy{'rolecolors'}) {
3996: $designhash{$item} = $legacyhash{$item};
3997: }
1.518 albertel 3998: }
3999: }
4000: }
1.632 raeburn 4001: } else {
4002: %designhash = &get_legacy_domconf($udom);
1.518 albertel 4003: }
4004: &Apache::lonnet::do_cache_new('domainconfig',$udom,\%designhash,
4005: $cachetime);
4006: return %designhash;
4007: }
4008:
1.632 raeburn 4009: sub get_legacy_domconf {
4010: my ($udom) = @_;
4011: my %legacyhash;
4012: my $designdir=$Apache::lonnet::perlvar{'lonTabDir'}.'/lonDomColors';
4013: my $designfile = $designdir.'/'.$udom.'.tab';
4014: if (-e $designfile) {
4015: if ( open (my $fh,"<$designfile") ) {
4016: while (my $line = <$fh>) {
4017: next if ($line =~ /^\#/);
4018: chomp($line);
4019: my ($key,$val)=(split(/\=/,$line));
4020: if ($val) { $legacyhash{$udom.'.'.$key}=$val; }
4021: }
4022: close($fh);
4023: }
4024: }
4025: if (-e '/home/httpd/html/adm/lonDomLogos/'.$udom.'.gif') {
4026: $legacyhash{$udom.'.login.domlogo'} = "/adm/lonDomLogos/$udom.gif";
4027: }
4028: return %legacyhash;
4029: }
4030:
1.63 www 4031: =pod
4032:
1.112 bowersj2 4033: =item * &domainlogo()
1.63 www 4034:
4035: Inputs: $domain (usually will be undef)
4036:
4037: Returns: A link to a domain logo, if the domain logo exists.
4038: If the domain logo does not exist, a description of the domain.
4039:
4040: =cut
1.112 bowersj2 4041:
1.63 www 4042: ###############################################
4043: sub domainlogo {
1.517 raeburn 4044: my $domain = &determinedomain(shift);
1.518 albertel 4045: my %designhash = &get_domainconf($domain);
1.517 raeburn 4046: # See if there is a logo
4047: if ($designhash{$domain.'.login.domlogo'} ne '') {
1.519 raeburn 4048: my $imgsrc = $designhash{$domain.'.login.domlogo'};
1.538 albertel 4049: if ($imgsrc =~ m{^/(adm|res)/}) {
4050: if ($imgsrc =~ m{^/res/}) {
4051: my $local_name = &Apache::lonnet::filelocation('',$imgsrc);
4052: &Apache::lonnet::repcopy($local_name);
4053: }
4054: $imgsrc = &lonhttpdurl($imgsrc);
1.519 raeburn 4055: }
4056: return '<img src="'.$imgsrc.'" alt="'.$domain.'" />';
1.514 albertel 4057: } elsif (defined(&Apache::lonnet::domain($domain,'description'))) {
4058: return &Apache::lonnet::domain($domain,'description');
1.59 www 4059: } else {
1.60 matthew 4060: return '';
1.59 www 4061: }
4062: }
1.63 www 4063: ##############################################
4064:
4065: =pod
4066:
1.112 bowersj2 4067: =item * &designparm()
1.63 www 4068:
4069: Inputs: $which parameter; $domain (usually will be undef)
4070:
4071: Returns: value of designparamter $which
4072:
4073: =cut
1.112 bowersj2 4074:
1.397 albertel 4075:
1.400 albertel 4076: ##############################################
1.397 albertel 4077: sub designparm {
4078: my ($which,$domain)=@_;
1.258 albertel 4079: if ($env{'browser.blackwhite'} eq 'on') {
1.635 raeburn 4080: if ($which=~/\.(font|alink|vlink|link|textcol)$/) {
1.110 www 4081: return '#000000';
4082: }
1.635 raeburn 4083: if ($which=~/\.(pgbg|sidebg|bgcol)$/) {
1.110 www 4084: return '#FFFFFF';
4085: }
4086: if ($which=~/\.tabbg$/) {
4087: return '#CCCCCC';
4088: }
4089: }
1.397 albertel 4090: if (exists($env{'environment.color.'.$which})) {
1.258 albertel 4091: return $env{'environment.color.'.$which};
1.96 www 4092: }
1.63 www 4093: $domain=&determinedomain($domain);
1.518 albertel 4094: my %domdesign = &get_domainconf($domain);
1.520 raeburn 4095: my $output;
1.517 raeburn 4096: if ($domdesign{$domain.'.'.$which} ne '') {
1.520 raeburn 4097: $output = $domdesign{$domain.'.'.$which};
1.63 www 4098: } else {
1.520 raeburn 4099: $output = $defaultdesign{$which};
4100: }
4101: if (($which =~ /^(student|coordinator|author|admin)\.img$/) ||
1.635 raeburn 4102: ($which =~ /login\.(img|logo|domlogo|login)/)) {
1.538 albertel 4103: if ($output =~ m{^/(adm|res)/}) {
4104: if ($output =~ m{^/res/}) {
4105: my $local_name = &Apache::lonnet::filelocation('',$output);
4106: &Apache::lonnet::repcopy($local_name);
4107: }
1.520 raeburn 4108: $output = &lonhttpdurl($output);
4109: }
1.63 www 4110: }
1.520 raeburn 4111: return $output;
1.63 www 4112: }
1.59 www 4113:
1.60 matthew 4114: ###############################################
4115: ###############################################
4116:
4117: =pod
4118:
1.112 bowersj2 4119: =back
4120:
1.549 albertel 4121: =head1 HTML Helpers
1.112 bowersj2 4122:
4123: =over 4
4124:
4125: =item * &bodytag()
1.60 matthew 4126:
4127: Returns a uniform header for LON-CAPA web pages.
4128:
4129: Inputs:
4130:
1.112 bowersj2 4131: =over 4
4132:
4133: =item * $title, A title to be displayed on the page.
4134:
4135: =item * $function, the current role (can be undef).
4136:
4137: =item * $addentries, extra parameters for the <body> tag.
4138:
4139: =item * $bodyonly, if defined, only return the <body> tag.
4140:
4141: =item * $domain, if defined, force a given domain.
4142:
4143: =item * $forcereg, if page should register as content page (relevant for
1.86 www 4144: text interface only)
1.60 matthew 4145:
1.326 albertel 4146: =item * $customtitle, alternate text to use instead of $title
4147: in the title box that appears, this text
4148: is not auto translated like the $title is
1.309 albertel 4149:
4150: =item * $notopbar, if true, keep the 'what is this' info but remove the
4151: navigational links
1.317 albertel 4152:
1.338 albertel 4153: =item * $bgcolor, used to override the bgcolor on a webpage to a specific value
4154:
4155: =item * $notitle, if true keep the nav controls, but remove the title bar
4156:
1.361 albertel 4157: =item * $no_inline_link, if true and in remote mode, don't show the
4158: 'Switch To Inline Menu' link
4159:
1.460 albertel 4160: =item * $args, optional argument valid values are
4161: no_auto_mt_title -> prevents &mt()ing the title arg
1.562 albertel 4162: inherit_jsmath -> when creating popup window in a page,
4163: should it have jsmath forced on by the
4164: current page
1.460 albertel 4165:
1.112 bowersj2 4166: =back
4167:
1.60 matthew 4168: Returns: A uniform header for LON-CAPA web pages.
4169: If $bodyonly is nonzero, a string containing a <body> tag will be returned.
4170: If $bodyonly is undef or zero, an html string containing a <body> tag and
4171: other decorations will be returned.
4172:
4173: =cut
4174:
1.54 www 4175: sub bodytag {
1.309 albertel 4176: my ($title,$function,$addentries,$bodyonly,$domain,$forcereg,$customtitle,
1.460 albertel 4177: $notopbar,$bgcolor,$notitle,$no_inline_link,$args)=@_;
1.339 albertel 4178:
1.460 albertel 4179: if (!$args->{'no_auto_mt_title'}) { $title = &mt($title); }
1.339 albertel 4180:
1.183 matthew 4181: $function = &get_users_function() if (!$function);
1.339 albertel 4182: my $img = &designparm($function.'.img',$domain);
4183: my $font = &designparm($function.'.font',$domain);
4184: my $pgbg = $bgcolor || &designparm($function.'.pgbg',$domain);
4185:
4186: my %design = ( 'style' => 'margin-top: 0px',
1.535 albertel 4187: 'bgcolor' => $pgbg,
1.339 albertel 4188: 'text' => $font,
4189: 'alink' => &designparm($function.'.alink',$domain),
4190: 'vlink' => &designparm($function.'.vlink',$domain),
4191: 'link' => &designparm($function.'.link',$domain),);
1.438 albertel 4192: @design{keys(%$addentries)} = @$addentries{keys(%$addentries)};
1.339 albertel 4193:
1.63 www 4194: # role and realm
1.378 raeburn 4195: my ($role,$realm) = split(/\./,$env{'request.role'},2);
4196: if ($role eq 'ca') {
1.479 albertel 4197: my ($rdom,$rname) = ($realm =~ m{^/($match_domain)/($match_username)$});
1.500 albertel 4198: $realm = &plainname($rname,$rdom);
1.378 raeburn 4199: }
1.55 www 4200: # realm
1.258 albertel 4201: if ($env{'request.course.id'}) {
1.378 raeburn 4202: if ($env{'request.role'} !~ /^cr/) {
4203: $role = &Apache::lonnet::plaintext($role,&course_type());
4204: }
1.359 albertel 4205: $realm = $env{'course.'.$env{'request.course.id'}.'.description'};
1.378 raeburn 4206: } else {
4207: $role = &Apache::lonnet::plaintext($role);
1.54 www 4208: }
1.433 albertel 4209:
1.359 albertel 4210: if (!$realm) { $realm=' '; }
1.55 www 4211: # Set messages
1.60 matthew 4212: my $messages=&domainlogo($domain);
1.330 albertel 4213:
1.438 albertel 4214: my $extra_body_attr = &make_attr_string($forcereg,\%design);
1.329 albertel 4215:
1.101 www 4216: # construct main body tag
1.359 albertel 4217: my $bodytag = "<body $extra_body_attr>".
1.562 albertel 4218: &Apache::lontexconvert::init_math_support($args->{'inherit_jsmath'});
1.252 albertel 4219:
1.530 albertel 4220: if ($bodyonly) {
1.60 matthew 4221: return $bodytag;
1.258 albertel 4222: } elsif ($env{'browser.interface'} eq 'textual') {
1.95 www 4223: # Accessibility
1.224 raeburn 4224:
1.337 albertel 4225: $bodytag.=&Apache::lonmenu::menubuttons($forcereg,$forcereg);
1.338 albertel 4226: if (!$notitle) {
1.337 albertel 4227: $bodytag.='<h1>LON-CAPA: '.$title.'</h1>';
4228: }
4229: return $bodytag;
1.359 albertel 4230: }
4231:
1.410 albertel 4232: my $name = &plainname($env{'user.name'},$env{'user.domain'});
1.433 albertel 4233: if ($env{'user.name'} eq 'public' && $env{'user.domain'} eq 'public') {
4234: undef($role);
1.434 albertel 4235: } else {
4236: $name = &aboutmewrapper($name,$env{'user.name'},$env{'user.domain'});
1.433 albertel 4237: }
1.359 albertel 4238:
4239: my $roleinfo=(<<ENDROLE);
4240: <td class="LC_title_bar_who">
4241: <div class="LC_title_bar_name">
1.410 albertel 4242: $name
1.361 albertel 4243:
1.359 albertel 4244: </div>
4245: <div class="LC_title_bar_role">
1.361 albertel 4246: $role
1.359 albertel 4247: </div>
4248: <div class="LC_title_bar_realm">
1.361 albertel 4249: $realm
1.359 albertel 4250: </div>
1.206 albertel 4251: </td>
4252: ENDROLE
1.235 raeburn 4253:
1.762 bisitz 4254: my $titleinfo = '<h1>'.$title.'</h1>';
1.359 albertel 4255: if ($customtitle) {
4256: $titleinfo = $customtitle;
4257: }
4258: #
4259: # Extra info if you are the DC
4260: my $dc_info = '';
4261: if ($env{'user.adv'} && exists($env{'user.role.dc./'.
4262: $env{'course.'.$env{'request.course.id'}.
4263: '.domain'}.'/'})) {
4264: my $cid = $env{'request.course.id'};
4265: $dc_info.= $cid.' '.$env{'course.'.$cid.'.internal.coursecode'};
1.380 www 4266: $dc_info =~ s/\s+$//;
1.359 albertel 4267: $dc_info = '('.$dc_info.')';
4268: }
4269:
1.644 www 4270: if (($env{'environment.remote'} eq 'off') || ($args->{'suppress_header_logos'})) {
1.359 albertel 4271: # No Remote
1.258 albertel 4272: if ($env{'request.state'} eq 'construct') {
1.359 albertel 4273: $forcereg=1;
4274: }
4275:
4276: if (!$customtitle && $env{'request.state'} eq 'construct') {
4277: # this is for resources; directories have customtitle, and crumbs
4278: # and select recent are created in lonpubdir.pm
1.229 albertel 4279: my ($uname,$thisdisfn)=
1.258 albertel 4280: ($env{'request.filename'} =~ m|^/home/([^/]+)/public_html/(.*)|);
1.229 albertel 4281: my $formaction='/priv/'.$uname.'/'.$thisdisfn;
4282: $formaction=~s/\/+/\//g;
4283:
1.359 albertel 4284: my $parentpath = '';
4285: my $lastitem = '';
4286: if ($thisdisfn =~ m-(.+/)([^/]*)$-) {
4287: $parentpath = $1;
4288: $lastitem = $2;
4289: } else {
4290: $lastitem = $thisdisfn;
4291: }
4292: $titleinfo =
1.640 bisitz 4293: &Apache::loncommon::help_open_menu('','',3,'Authoring')
4294: .'<b>'.&mt('Construction Space').'</b>: '
4295: .'<form name="dirs" method="post" action="'.$formaction
1.359 albertel 4296: .'" target="_top"><tt><b>'
1.705 tempelho 4297: .&Apache::lonhtmlcommon::crumbs($uname.'/'.$parentpath,'_top','/priv','','+1',1)."<span class=\"LC_fontsize_big\">$lastitem</span></b></tt><br />"
1.359 albertel 4298: .&Apache::lonhtmlcommon::select_recent('construct','recent','this.form.action=this.form.recent.value;this.form.submit()')
4299: .'</form>'
4300: .&Apache::lonmenu::constspaceform();
1.235 raeburn 4301: }
1.359 albertel 4302:
1.337 albertel 4303: my $titletable;
1.338 albertel 4304: if (!$notitle) {
1.337 albertel 4305: $titletable =
1.359 albertel 4306: '<table id="LC_title_bar">'.
4307: "<tr><td> $titleinfo $dc_info</td>".$roleinfo.
4308: '</tr></table>';
1.337 albertel 4309: }
1.359 albertel 4310: if ($notopbar) {
4311: $bodytag .= $titletable;
4312: } else {
4313: if ($env{'request.state'} eq 'construct') {
1.337 albertel 4314: $bodytag .= &Apache::lonmenu::menubuttons($forcereg,$forcereg,
4315: $titletable);
1.272 raeburn 4316: } else {
1.336 albertel 4317: $bodytag .= &Apache::lonmenu::menubuttons($forcereg,$forcereg).
1.359 albertel 4318: $titletable;
1.272 raeburn 4319: }
1.235 raeburn 4320: }
4321: return $bodytag;
1.94 www 4322: }
1.95 www 4323:
1.93 www 4324: #
1.95 www 4325: # Top frame rendering, Remote is up
1.93 www 4326: #
1.359 albertel 4327:
1.517 raeburn 4328: my $imgsrc = $img;
4329: if ($img =~ /^\/adm/) {
1.575 albertel 4330: $imgsrc = &lonhttpdurl($img);
1.517 raeburn 4331: }
4332: my $upperleft='<img src="'.$imgsrc.'" alt="'.$function.'" />';
1.359 albertel 4333:
1.305 www 4334: # Explicit link to get inline menu
1.361 albertel 4335: my $menu= ($no_inline_link?''
4336: :'<br /><a href="/adm/remote?action=collapse">'.&mt('Switch to Inline Menu Mode').'</a>');
1.245 matthew 4337: #
1.338 albertel 4338: if ($notitle) {
1.337 albertel 4339: return $bodytag;
4340: }
1.94 www 4341: return(<<ENDBODY);
1.60 matthew 4342: $bodytag
1.359 albertel 4343: <table id="LC_title_bar" class="LC_with_remote">
1.368 albertel 4344: <tr><td class="LC_title_bar_role_logo">$upperleft</td>
1.359 albertel 4345: <td class="LC_title_bar_domain_logo">$messages </td>
1.54 www 4346: </tr>
1.359 albertel 4347: <tr><td>$titleinfo $dc_info $menu</td>
4348: $roleinfo
1.368 albertel 4349: </tr>
1.356 albertel 4350: </table>
1.54 www 4351: ENDBODY
1.182 matthew 4352: }
4353:
1.330 albertel 4354: sub make_attr_string {
4355: my ($register,$attr_ref) = @_;
4356:
4357: if ($attr_ref && !ref($attr_ref)) {
4358: die("addentries Must be a hash ref ".
4359: join(':',caller(1))." ".
4360: join(':',caller(0))." ");
4361: }
4362:
4363: if ($register) {
1.339 albertel 4364: my ($on_load,$on_unload);
4365: foreach my $key (keys(%{$attr_ref})) {
4366: if (lc($key) eq 'onload') {
4367: $on_load.=$attr_ref->{$key}.';';
4368: delete($attr_ref->{$key});
4369:
4370: } elsif (lc($key) eq 'onunload') {
4371: $on_unload.=$attr_ref->{$key}.';';
4372: delete($attr_ref->{$key});
4373: }
4374: }
4375: $attr_ref->{'onload'} =
4376: &Apache::lonmenu::loadevents(). $on_load;
4377: $attr_ref->{'onunload'}=
4378: &Apache::lonmenu::unloadevents().$on_unload;
4379: }
4380:
4381: # Accessibility font enhance
4382: if ($env{'browser.fontenhance'} eq 'on') {
4383: my $style;
4384: foreach my $key (keys(%{$attr_ref})) {
4385: if (lc($key) eq 'style') {
4386: $style.=$attr_ref->{$key}.';';
4387: delete($attr_ref->{$key});
4388: }
4389: }
4390: $attr_ref->{'style'}=$style.'; font-size: x-large;';
1.330 albertel 4391: }
1.339 albertel 4392:
4393: if ($env{'browser.blackwhite'} eq 'on') {
4394: delete($attr_ref->{'font'});
4395: delete($attr_ref->{'link'});
4396: delete($attr_ref->{'alink'});
4397: delete($attr_ref->{'vlink'});
4398: delete($attr_ref->{'bgcolor'});
4399: delete($attr_ref->{'background'});
4400: }
4401:
1.330 albertel 4402: my $attr_string;
4403: foreach my $attr (keys(%$attr_ref)) {
4404: $attr_string .= " $attr=\"".$attr_ref->{$attr}.'" ';
4405: }
4406: return $attr_string;
4407: }
4408:
4409:
1.182 matthew 4410: ###############################################
1.251 albertel 4411: ###############################################
4412:
4413: =pod
4414:
4415: =item * &endbodytag()
4416:
4417: Returns a uniform footer for LON-CAPA web pages.
4418:
1.635 raeburn 4419: Inputs: 1 - optional reference to an args hash
4420: If in the hash, key for noredirectlink has a value which evaluates to true,
4421: a 'Continue' link is not displayed if the page contains an
4422: internal redirect in the <head></head> section,
4423: i.e., $env{'internal.head.redirect'} exists
1.251 albertel 4424:
4425: =cut
4426:
4427: sub endbodytag {
1.635 raeburn 4428: my ($args) = @_;
1.251 albertel 4429: my $endbodytag='</body>';
1.269 albertel 4430: $endbodytag=&Apache::lontexconvert::jsMath_process()."\n".$endbodytag;
1.315 albertel 4431: if ( exists( $env{'internal.head.redirect'} ) ) {
1.635 raeburn 4432: if (!(ref($args) eq 'HASH' && $args->{'noredirectlink'})) {
4433: $endbodytag=
4434: "<br /><a href=\"$env{'internal.head.redirect'}\">".
4435: &mt('Continue').'</a>'.
4436: $endbodytag;
4437: }
1.315 albertel 4438: }
1.251 albertel 4439: return $endbodytag;
4440: }
4441:
1.352 albertel 4442: =pod
4443:
4444: =item * &standard_css()
4445:
4446: Returns a style sheet
4447:
4448: Inputs: (all optional)
4449: domain -> force to color decorate a page for a specific
4450: domain
4451: function -> force usage of a specific rolish color scheme
4452: bgcolor -> override the default page bgcolor
4453:
4454: =cut
4455:
1.343 albertel 4456: sub standard_css {
1.345 albertel 4457: my ($function,$domain,$bgcolor) = @_;
1.352 albertel 4458: $function = &get_users_function() if (!$function);
4459: my $img = &designparm($function.'.img', $domain);
4460: my $tabbg = &designparm($function.'.tabbg', $domain);
4461: my $font = &designparm($function.'.font', $domain);
1.345 albertel 4462: my $sidebg = &designparm($function.'.sidebg',$domain);
1.382 albertel 4463: my $pgbg_or_bgcolor =
4464: $bgcolor ||
1.352 albertel 4465: &designparm($function.'.pgbg', $domain);
1.382 albertel 4466: my $pgbg = &designparm($function.'.pgbg', $domain);
1.352 albertel 4467: my $alink = &designparm($function.'.alink', $domain);
4468: my $vlink = &designparm($function.'.vlink', $domain);
4469: my $link = &designparm($function.'.link', $domain);
4470:
1.704 muellerd 4471: my $loginbg = &designparm('login.sidebg',$domain);
1.712 muellerd 4472: my $bgcol = &designparm('login.bgcol',$domain);
4473: my $textcol = &designparm('login.textcol',$domain);
1.704 muellerd 4474:
1.602 albertel 4475: my $sans = 'Verdana,Arial,Helvetica,sans-serif';
1.395 albertel 4476: my $mono = 'monospace';
1.352 albertel 4477: my $data_table_head = $tabbg;
4478: my $data_table_light = '#EEEEEE';
1.470 banghart 4479: my $data_table_dark = '#DDDDDD';
4480: my $data_table_darker = '#CCCCCC';
1.349 albertel 4481: my $data_table_highlight = '#FFFF00';
1.352 albertel 4482: my $mail_new = '#FFBB77';
4483: my $mail_new_hover = '#DD9955';
4484: my $mail_read = '#BBBB77';
4485: my $mail_read_hover = '#999944';
4486: my $mail_replied = '#AAAA88';
4487: my $mail_replied_hover = '#888855';
4488: my $mail_other = '#99BBBB';
4489: my $mail_other_hover = '#669999';
1.391 albertel 4490: my $table_header = '#DDDDDD';
1.489 raeburn 4491: my $feedback_link_bg = '#BBBBBB';
1.701 harmsja 4492: my $lg_border_color = '#C8C8C8';
1.392 albertel 4493:
1.608 albertel 4494: my $border = ($env{'browser.type'} eq 'explorer' ||
4495: $env{'browser.type'} eq 'safari' ) ? '0px 2px 0px 2px'
4496: : '0px 3px 0px 4px';
1.448 albertel 4497:
1.523 albertel 4498:
1.343 albertel 4499: return <<END;
1.698 harmsja 4500: body{
4501: font-family: $sans;
4502: line-height:130%;
1.701 harmsja 4503: font-size:0.83em;
1.698 harmsja 4504: color:$font;
4505: }
1.701 harmsja 4506: a:link, a:visited { font-size:100%; }
1.698 harmsja 4507:
1.343 albertel 4508: a:focus { color: red; background: yellow }
1.510 albertel 4509: table.thinborder,
4510: table.thinborder tr th {
4511: border-style: solid;
4512: border-width: 1px;
1.698 harmsja 4513: border-color: $lg_border_color;
1.510 albertel 4514: background: $tabbg;
4515: }
1.523 albertel 4516: table.thinborder tr td {
1.510 albertel 4517: border-style: solid;
1.698 harmsja 4518: border-width: 1px;
4519: border-color: $lg_border_color;
1.510 albertel 4520: }
1.426 albertel 4521:
1.343 albertel 4522: form, .inline { display: inline; }
1.721 harmsja 4523:
4524: .LC_right {text-align:right;}
4525: .LC_middle {vertical-align:middle;}
4526:
4527: /* just for tests */
1.754 droeschl 4528: .LC_400Box {width:400px; }
1.721 harmsja 4529: /* end */
4530:
1.593 albertel 4531: .LC_filename {font-family: $mono; white-space:pre;}
1.350 albertel 4532: .LC_error {
4533: color: red;
4534: font-size: larger;
4535: }
1.457 albertel 4536: .LC_warning,
4537: .LC_diff_removed {
1.733 bisitz 4538: color: red;
1.394 albertel 4539: }
1.532 albertel 4540:
4541: .LC_info,
1.457 albertel 4542: .LC_success,
4543: .LC_diff_added {
1.350 albertel 4544: color: green;
4545: }
1.543 albertel 4546: .LC_unknown {
4547: color: yellow;
4548: }
4549:
1.440 albertel 4550: .LC_icon {
1.771 droeschl 4551: border: none;
4552: }
4553:
1.539 albertel 4554: .LC_indexer_icon {
4555: border: 0px;
4556: height: 22px;
4557: }
1.543 albertel 4558: .LC_docs_spacer {
4559: width: 25px;
4560: height: 1px;
1.771 droeschl 4561: border: none;
1.543 albertel 4562: }
1.346 albertel 4563:
1.532 albertel 4564: .LC_internal_info {
1.735 bisitz 4565: color: #999999;
1.532 albertel 4566: }
4567:
1.458 albertel 4568: table.LC_pastsubmission {
4569: border: 1px solid black;
4570: margin: 2px;
4571: }
4572:
1.606 albertel 4573: table#LC_top_nav, table#LC_menubuttons,table#LC_nav_location {
1.345 albertel 4574: width: 100%;
4575: background: $pgbg;
1.392 albertel 4576: border: 2px;
1.402 albertel 4577: border-collapse: separate;
1.403 albertel 4578: padding: 0px;
1.345 albertel 4579: }
1.392 albertel 4580:
1.606 albertel 4581: table#LC_title_bar, table.LC_breadcrumbs,
1.393 albertel 4582: table#LC_title_bar.LC_with_remote {
1.359 albertel 4583: width: 100%;
1.392 albertel 4584: border-color: $pgbg;
4585: border-style: solid;
4586: border-width: $border;
4587:
1.379 albertel 4588: background: $pgbg;
4589: font-family: $sans;
1.392 albertel 4590: border-collapse: collapse;
1.403 albertel 4591: padding: 0px;
1.359 albertel 4592: }
1.409 albertel 4593: table.LC_docs_path {
4594: width: 100%;
4595: border: 0;
4596: background: $pgbg;
4597: font-family: $sans;
4598: border-collapse: collapse;
4599: padding: 0px;
4600: }
4601:
1.359 albertel 4602: table#LC_title_bar td {
4603: background: $tabbg;
4604: }
1.773 ehlerst 4605: table#LC_title_bar .LC_title_bar_who {
1.359 albertel 4606: background: $tabbg;
4607: color: $font;
1.427 albertel 4608: font: small $sans;
1.359 albertel 4609: text-align: right;
1.773 ehlerst 4610: margin: 0px;
4611: }
4612: table#LC_title_bar .LC_title_bar_name {
4613: margin: 0px;
4614: }
4615: table#LC_title_bar .LC_title_bar_role {
4616: margin: 0px;
4617: }
1.775 bisitz 4618: table#LC_title_bar .LC_title_bar_realm {
1.773 ehlerst 4619: margin: 0px;
1.359 albertel 4620: }
1.469 banghart 4621: span.LC_metadata {
4622: font-family: $sans;
4623: }
1.359 albertel 4624: table#LC_title_bar td.LC_title_bar_domain_logo {
4625: background: $sidebg;
4626: text-align: right;
1.368 albertel 4627: padding: 0px;
4628: }
4629: table#LC_title_bar td.LC_title_bar_role_logo {
4630: background: $sidebg;
4631: padding: 0px;
1.359 albertel 4632: }
4633:
1.706 harmsja 4634: table#LC_menubuttons img{
1.346 albertel 4635: border: 0px;
4636: }
1.345 albertel 4637: table#LC_top_nav td {
4638: background: $tabbg;
1.392 albertel 4639: border: 0px;
1.407 albertel 4640: font-size: small;
1.706 harmsja 4641: vertical-align:top;
4642: padding:2px 5px 2px 5px;
1.345 albertel 4643: }
4644: table#LC_top_nav td a, div#LC_top_nav a {
4645: color: $font;
4646: font-family: $sans;
4647: }
1.364 albertel 4648: table#LC_top_nav td.LC_top_nav_logo {
4649: background: $tabbg;
1.432 albertel 4650: text-align: left;
1.408 albertel 4651: white-space: nowrap;
1.432 albertel 4652: width: 31px;
1.408 albertel 4653: }
4654: table#LC_top_nav td.LC_top_nav_logo img {
1.432 albertel 4655: border: 0px;
1.408 albertel 4656: vertical-align: bottom;
1.364 albertel 4657: }
1.442 albertel 4658: table#LC_top_nav td.LC_top_nav_login {
4659: width: 4.0em;
4660: text-align: center;
4661: }
1.409 albertel 4662: table.LC_breadcrumbs td, table.LC_docs_path td {
1.357 albertel 4663: background: $tabbg;
4664: color: $font;
4665: font-family: $sans;
1.358 albertel 4666: font-size: smaller;
1.357 albertel 4667: }
1.383 albertel 4668: td.LC_table_cell_checkbox {
4669: text-align: center;
4670: }
1.522 albertel 4671:
1.705 tempelho 4672: .LC_fontsize_small
4673: {
4674: font-size: 70%;
4675: }
4676:
4677: .LC_fontsize_medium
4678: {
4679: font-size: 85%;
4680: }
4681:
4682: .LC_fontsize_large
4683: {
4684: font-size: 120%;
4685: }
4686:
1.346 albertel 4687: .LC_menubuttons_inline_text {
4688: color: $font;
4689: font-family: $sans;
1.698 harmsja 4690: font-size: 90%;
1.701 harmsja 4691: padding-left:3px;
1.346 albertel 4692: }
4693:
1.526 www 4694: .LC_menubuttons_link {
4695: text-decoration: none;
4696: }
1.698 harmsja 4697: /*2008--9-5: new menu style sheet.Changed category*/
1.522 albertel 4698: .LC_menubuttons_category {
1.521 www 4699: color: $font;
1.526 www 4700: background: $pgbg;
1.521 www 4701: font-family: $sans;
4702: font-size: larger;
4703: font-weight: bold;
4704: }
4705:
1.346 albertel 4706: td.LC_menubuttons_text {
1.701 harmsja 4707: color: $font;
1.346 albertel 4708: }
1.706 harmsja 4709:
4710:
1.526 www 4711:
1.346 albertel 4712: .LC_current_location {
4713: font-family: $sans;
4714: background: $tabbg;
4715: }
4716: .LC_new_mail {
4717: font-family: $sans;
1.634 www 4718: background: $tabbg;
1.346 albertel 4719: font-weight: bold;
4720: }
1.347 albertel 4721:
1.526 www 4722:
1.527 www 4723: .LC_dropadd_labeltext {
4724: font-family: $sans;
4725: text-align: right;
4726: }
4727:
4728: .LC_preferences_labeltext {
4729: font-family: $sans;
4730: text-align: right;
4731: }
4732:
1.666 raeburn 4733: .LC_roleslog_note {
1.701 harmsja 4734: font-size: small;
1.666 raeburn 4735: }
4736:
1.715 raeburn 4737: .LC_mail_functions {
4738: font-weight: bold;
4739: }
4740:
1.440 albertel 4741: table.LC_aboutme_port {
4742: border: 0px;
4743: border-collapse: collapse;
4744: border-spacing: 0px;
4745: }
1.349 albertel 4746: table.LC_data_table, table.LC_mail_list {
1.347 albertel 4747: border: 1px solid #000000;
1.402 albertel 4748: border-collapse: separate;
1.426 albertel 4749: border-spacing: 1px;
1.610 albertel 4750: background: $pgbg;
1.347 albertel 4751: }
1.422 albertel 4752: .LC_data_table_dense {
4753: font-size: small;
4754: }
1.507 raeburn 4755: table.LC_nested_outer {
4756: border: 1px solid #000000;
1.589 raeburn 4757: border-collapse: collapse;
1.507 raeburn 4758: border-spacing: 0px;
4759: width: 100%;
4760: }
4761: table.LC_nested {
4762: border: 0px;
1.589 raeburn 4763: border-collapse: collapse;
1.507 raeburn 4764: border-spacing: 0px;
4765: width: 100%;
4766: }
1.523 albertel 4767: table.LC_data_table tr th, table.LC_calendar tr th, table.LC_mail_list tr th,
4768: table.LC_prior_tries tr th {
1.349 albertel 4769: font-weight: bold;
4770: background-color: $data_table_head;
1.701 harmsja 4771: font-size:90%;
1.347 albertel 4772: }
1.711 raeburn 4773: table.LC_data_table tr.LC_info_row > td {
1.735 bisitz 4774: background-color: #CCCCCC;
1.711 raeburn 4775: font-weight: bold;
4776: text-align: left;
4777: }
1.610 albertel 4778: table.LC_data_table tr.LC_odd_row > td,
1.709 bisitz 4779: table.LC_pick_box tr > td.LC_odd_row,
1.440 albertel 4780: table.LC_aboutme_port tr td {
1.349 albertel 4781: background-color: $data_table_light;
1.425 albertel 4782: padding: 2px;
1.347 albertel 4783: }
1.610 albertel 4784: table.LC_data_table tr.LC_even_row > td,
1.709 bisitz 4785: table.LC_pick_box tr > td.LC_even_row,
1.440 albertel 4786: table.LC_aboutme_port tr.LC_even_row td {
1.349 albertel 4787: background-color: $data_table_dark;
1.709 bisitz 4788: padding: 2px;
1.347 albertel 4789: }
1.425 albertel 4790: table.LC_data_table tr.LC_data_table_highlight td {
4791: background-color: $data_table_darker;
4792: }
1.639 raeburn 4793: table.LC_data_table tr td.LC_leftcol_header {
4794: background-color: $data_table_head;
4795: font-weight: bold;
4796: }
1.451 albertel 4797: table.LC_data_table tr.LC_empty_row td,
1.507 raeburn 4798: table.LC_nested tr.LC_empty_row td {
1.347 albertel 4799: background-color: #FFFFFF;
1.421 albertel 4800: font-weight: bold;
4801: font-style: italic;
4802: text-align: center;
4803: padding: 8px;
1.347 albertel 4804: }
1.507 raeburn 4805: table.LC_nested tr.LC_empty_row td {
1.465 albertel 4806: padding: 4ex
4807: }
1.507 raeburn 4808: table.LC_nested_outer tr th {
4809: font-weight: bold;
4810: background-color: $data_table_head;
1.701 harmsja 4811: font-size: small;
1.507 raeburn 4812: border-bottom: 1px solid #000000;
4813: }
4814: table.LC_nested_outer tr td.LC_subheader {
4815: background-color: $data_table_head;
4816: font-weight: bold;
4817: font-size: small;
4818: border-bottom: 1px solid #000000;
4819: text-align: right;
1.451 albertel 4820: }
1.507 raeburn 4821: table.LC_nested tr.LC_info_row td {
1.735 bisitz 4822: background-color: #CCCCCC;
1.451 albertel 4823: font-weight: bold;
4824: font-size: small;
1.507 raeburn 4825: text-align: center;
4826: }
1.589 raeburn 4827: table.LC_nested tr.LC_info_row td.LC_left_item,
4828: table.LC_nested_outer tr th.LC_left_item {
1.507 raeburn 4829: text-align: left;
1.451 albertel 4830: }
1.507 raeburn 4831: table.LC_nested td {
1.735 bisitz 4832: background-color: #FFFFFF;
1.451 albertel 4833: font-size: small;
1.507 raeburn 4834: }
4835: table.LC_nested_outer tr th.LC_right_item,
4836: table.LC_nested tr.LC_info_row td.LC_right_item,
4837: table.LC_nested tr.LC_odd_row td.LC_right_item,
4838: table.LC_nested tr td.LC_right_item {
1.451 albertel 4839: text-align: right;
4840: }
4841:
1.507 raeburn 4842: table.LC_nested tr.LC_odd_row td {
1.735 bisitz 4843: background-color: #EEEEEE;
1.451 albertel 4844: }
4845:
1.473 raeburn 4846: table.LC_createuser {
4847: }
4848:
4849: table.LC_createuser tr.LC_section_row td {
1.701 harmsja 4850: font-size: small;
1.473 raeburn 4851: }
4852:
4853: table.LC_createuser tr.LC_info_row td {
1.735 bisitz 4854: background-color: #CCCCCC;
1.473 raeburn 4855: font-weight: bold;
4856: text-align: center;
4857: }
4858:
1.349 albertel 4859: table.LC_calendar {
4860: border: 1px solid #000000;
4861: border-collapse: collapse;
4862: }
4863: table.LC_calendar_pickdate {
4864: font-size: xx-small;
4865: }
4866: table.LC_calendar tr td {
4867: border: 1px solid #000000;
4868: vertical-align: top;
4869: }
4870: table.LC_calendar tr td.LC_calendar_day_empty {
4871: background-color: $data_table_dark;
4872: }
4873:
4874: table.LC_mail_list tr.LC_mail_new {
4875: background-color: $mail_new;
4876: }
4877: table.LC_mail_list tr.LC_mail_new:hover {
4878: background-color: $mail_new_hover;
4879: }
4880: table.LC_mail_list tr.LC_mail_read {
4881: background-color: $mail_read;
4882: }
4883: table.LC_mail_list tr.LC_mail_read:hover {
4884: background-color: $mail_read_hover;
4885: }
4886: table.LC_mail_list tr.LC_mail_replied {
4887: background-color: $mail_replied;
4888: }
4889: table.LC_mail_list tr.LC_mail_replied:hover {
4890: background-color: $mail_replied_hover;
4891: }
4892: table.LC_mail_list tr.LC_mail_other {
4893: background-color: $mail_other;
4894: }
4895: table.LC_mail_list tr.LC_mail_other:hover {
4896: background-color: $mail_other_hover;
4897: }
1.494 raeburn 4898:
1.773 ehlerst 4899: table.LC_data_table tr > td.LC_browser_file {
1.389 albertel 4900: background: #CCFF88;
4901: }
1.773 ehlerst 4902: table.LC_data_table tr > td.LC_browser_file_locked {
1.389 albertel 4903: background: #FFAA99;
1.387 albertel 4904: }
1.696 bisitz 4905: table.LC_data_table tr.LC_browser_folder > td {
1.389 albertel 4906: background: #CCCCFF;
1.387 albertel 4907: }
1.696 bisitz 4908:
1.707 bisitz 4909: table.LC_data_table tr > td.LC_roles_is {
4910: /* background: #77FF77; */
4911: }
4912: table.LC_data_table tr > td.LC_roles_future {
4913: background: #FFFF77;
4914: }
4915: table.LC_data_table tr > td.LC_roles_will {
4916: background: #FFAA77;
4917: }
4918: table.LC_data_table tr > td.LC_roles_expired {
4919: background: #FF7777;
4920: }
4921: table.LC_data_table tr > td.LC_roles_will_not {
4922: background: #AAFF77;
4923: }
4924: table.LC_data_table tr > td.LC_roles_selected {
4925: background: #11CC55;
4926: }
4927:
1.388 albertel 4928: span.LC_current_location {
1.701 harmsja 4929: font-size:larger;
1.388 albertel 4930: background: $pgbg;
4931: }
1.387 albertel 4932:
1.395 albertel 4933: span.LC_parm_menu_item {
4934: font-size: larger;
4935: font-family: $sans;
4936: }
4937: span.LC_parm_scope_all {
4938: color: red;
4939: }
4940: span.LC_parm_scope_folder {
4941: color: green;
4942: }
4943: span.LC_parm_scope_resource {
4944: color: orange;
4945: }
4946: span.LC_parm_part {
4947: color: blue;
4948: }
4949: span.LC_parm_folder, span.LC_parm_symb {
4950: font-size: x-small;
4951: font-family: $mono;
4952: color: #AAAAAA;
4953: }
4954:
1.396 albertel 4955: td.LC_parm_overview_level_menu, td.LC_parm_overview_map_menu,
1.773 ehlerst 4956: td.LC_parm_overview_parm_selectors {
1.396 albertel 4957: border: 1px solid black;
4958: border-collapse: collapse;
4959: }
4960: table.LC_parm_overview_restrictions td {
4961: border-width: 1px 4px 1px 4px;
4962: border-style: solid;
4963: border-color: $pgbg;
4964: text-align: center;
4965: }
4966: table.LC_parm_overview_restrictions th {
4967: background: $tabbg;
4968: border-width: 1px 4px 1px 4px;
4969: border-style: solid;
4970: border-color: $pgbg;
4971: }
1.398 albertel 4972: table#LC_helpmenu {
4973: border: 0px;
4974: height: 55px;
4975: border-spacing: 0px;
4976: }
4977:
4978: table#LC_helpmenu fieldset legend {
4979: font-size: larger;
4980: font-weight: bold;
4981: }
1.397 albertel 4982: table#LC_helpmenu_links {
4983: width: 100%;
4984: border: 1px solid black;
4985: background: $pgbg;
4986: padding: 0px;
4987: border-spacing: 1px;
4988: }
4989: table#LC_helpmenu_links tr td {
4990: padding: 1px;
4991: background: $tabbg;
1.399 albertel 4992: text-align: center;
4993: font-weight: bold;
1.397 albertel 4994: }
1.396 albertel 4995:
1.397 albertel 4996: table#LC_helpmenu_links a:link, table#LC_helpmenu_links a:visited,
4997: table#LC_helpmenu_links a:active {
4998: text-decoration: none;
4999: color: $font;
5000: }
5001: table#LC_helpmenu_links a:hover {
5002: text-decoration: underline;
5003: color: $vlink;
5004: }
1.396 albertel 5005:
1.417 albertel 5006: .LC_chrt_popup_exists {
5007: border: 1px solid #339933;
5008: margin: -1px;
5009: }
5010: .LC_chrt_popup_up {
5011: border: 1px solid yellow;
5012: margin: -1px;
5013: }
5014: .LC_chrt_popup {
5015: border: 1px solid #8888FF;
5016: background: #CCCCFF;
5017: }
1.421 albertel 5018: table.LC_pick_box {
5019: border-collapse: separate;
5020: background: white;
5021: border: 1px solid black;
5022: border-spacing: 1px;
5023: }
5024: table.LC_pick_box td.LC_pick_box_title {
5025: background: $tabbg;
5026: font-weight: bold;
5027: text-align: right;
1.740 bisitz 5028: vertical-align: top;
1.421 albertel 5029: width: 184px;
5030: padding: 8px;
5031: }
1.645 raeburn 5032: table.LC_pick_box td.LC_selfenroll_pick_box_title {
5033: background: $tabbg;
5034: font-weight: bold;
5035: text-align: right;
5036: width: 350px;
5037: padding: 8px;
5038: }
5039:
1.579 raeburn 5040: table.LC_pick_box td.LC_pick_box_value {
5041: text-align: left;
5042: padding: 8px;
5043: }
5044: table.LC_pick_box td.LC_pick_box_select {
5045: text-align: left;
5046: padding: 8px;
5047: }
1.424 albertel 5048: table.LC_pick_box td.LC_pick_box_separator {
1.421 albertel 5049: padding: 0px;
5050: height: 1px;
5051: background: black;
5052: }
5053: table.LC_pick_box td.LC_pick_box_submit {
5054: text-align: right;
5055: }
1.579 raeburn 5056: table.LC_pick_box td.LC_evenrow_value {
5057: text-align: left;
5058: padding: 8px;
5059: background-color: $data_table_light;
5060: }
5061: table.LC_pick_box td.LC_oddrow_value {
5062: text-align: left;
5063: padding: 8px;
5064: background-color: $data_table_light;
5065: }
5066: table.LC_helpform_receipt {
5067: width: 620px;
5068: border-collapse: separate;
5069: background: white;
5070: border: 1px solid black;
5071: border-spacing: 1px;
5072: }
5073: table.LC_helpform_receipt td.LC_pick_box_title {
5074: background: $tabbg;
5075: font-weight: bold;
5076: text-align: right;
5077: width: 184px;
5078: padding: 8px;
5079: }
5080: table.LC_helpform_receipt td.LC_evenrow_value {
5081: text-align: left;
5082: padding: 8px;
5083: background-color: $data_table_light;
5084: }
5085: table.LC_helpform_receipt td.LC_oddrow_value {
5086: text-align: left;
5087: padding: 8px;
5088: background-color: $data_table_light;
5089: }
5090: table.LC_helpform_receipt td.LC_pick_box_separator {
5091: padding: 0px;
5092: height: 1px;
5093: background: black;
5094: }
5095: span.LC_helpform_receipt_cat {
5096: font-weight: bold;
5097: }
1.424 albertel 5098: table.LC_group_priv_box {
5099: background: white;
5100: border: 1px solid black;
5101: border-spacing: 1px;
5102: }
5103: table.LC_group_priv_box td.LC_pick_box_title {
5104: background: $tabbg;
5105: font-weight: bold;
5106: text-align: right;
5107: width: 184px;
5108: }
5109: table.LC_group_priv_box td.LC_groups_fixed {
5110: background: $data_table_light;
5111: text-align: center;
5112: }
5113: table.LC_group_priv_box td.LC_groups_optional {
5114: background: $data_table_dark;
5115: text-align: center;
5116: }
5117: table.LC_group_priv_box td.LC_groups_functionality {
5118: background: $data_table_darker;
5119: text-align: center;
5120: font-weight: bold;
5121: }
5122: table.LC_group_priv td {
5123: text-align: left;
5124: padding: 0px;
5125: }
5126:
1.421 albertel 5127: table.LC_notify_front_page {
5128: background: white;
5129: border: 1px solid black;
5130: padding: 8px;
5131: }
5132: table.LC_notify_front_page td {
5133: padding: 8px;
5134: }
1.424 albertel 5135: .LC_navbuttons {
5136: margin: 2ex 0ex 2ex 0ex;
5137: }
1.423 albertel 5138: .LC_topic_bar {
5139: font-family: $sans;
5140: font-weight: bold;
5141: width: 100%;
5142: background: $tabbg;
5143: vertical-align: middle;
5144: margin: 2ex 0ex 2ex 0ex;
5145: }
5146: .LC_topic_bar span {
5147: vertical-align: middle;
5148: }
5149: .LC_topic_bar img {
5150: vertical-align: bottom;
5151: }
5152: table.LC_course_group_status {
5153: margin: 20px;
5154: }
5155: table.LC_status_selector td {
5156: vertical-align: top;
5157: text-align: center;
1.424 albertel 5158: padding: 4px;
5159: }
5160: table.LC_descriptive_input td.LC_description {
5161: vertical-align: top;
5162: text-align: right;
5163: font-weight: bold;
1.423 albertel 5164: }
1.599 albertel 5165: div.LC_feedback_link {
1.616 albertel 5166: clear: both;
1.599 albertel 5167: background: white;
5168: width: 100%;
1.489 raeburn 5169: }
5170: span.LC_feedback_link {
1.599 albertel 5171: background: $feedback_link_bg;
5172: font-size: larger;
5173: }
5174: span.LC_message_link {
5175: background: $feedback_link_bg;
5176: font-size: larger;
5177: position: absolute;
5178: right: 1em;
1.489 raeburn 5179: }
1.421 albertel 5180:
1.515 albertel 5181: table.LC_prior_tries {
1.524 albertel 5182: border: 1px solid #000000;
5183: border-collapse: separate;
5184: border-spacing: 1px;
1.515 albertel 5185: }
1.523 albertel 5186:
1.515 albertel 5187: table.LC_prior_tries td {
1.524 albertel 5188: padding: 2px;
1.515 albertel 5189: }
1.523 albertel 5190:
5191: .LC_answer_correct {
5192: background: #AAFFAA;
5193: color: black;
5194: }
5195: .LC_answer_charged_try {
5196: background: #FFAAAA ! important;
5197: color: black;
5198: }
5199: .LC_answer_not_charged_try,
5200: .LC_answer_no_grade,
5201: .LC_answer_late {
5202: background: #FFFFAA;
5203: color: black;
5204: }
5205: .LC_answer_previous {
5206: background: #AAAAFF;
5207: color: black;
5208: }
5209:
5210:
1.529 albertel 5211: span.LC_prior_numerical,
5212: span.LC_prior_string,
5213: span.LC_prior_custom,
5214: span.LC_prior_reaction,
5215: span.LC_prior_math {
1.523 albertel 5216: font-family: monospace;
5217: white-space: pre;
5218: }
5219:
1.525 albertel 5220: span.LC_prior_string {
5221: font-family: monospace;
5222: white-space: pre;
5223: }
5224:
1.523 albertel 5225: table.LC_prior_option {
5226: width: 100%;
5227: border-collapse: collapse;
5228: }
1.528 albertel 5229: table.LC_prior_rank, table.LC_prior_match {
5230: border-collapse: collapse;
5231: }
5232: table.LC_prior_option tr td,
5233: table.LC_prior_rank tr td,
5234: table.LC_prior_match tr td {
1.524 albertel 5235: border: 1px solid #000000;
1.515 albertel 5236: }
5237:
1.770 droeschl 5238: td.LC_nobreak,
1.519 raeburn 5239: span.LC_nobreak {
1.544 albertel 5240: white-space: nowrap;
1.519 raeburn 5241: }
5242:
1.576 raeburn 5243: span.LC_cusr_emph {
5244: font-style: italic;
5245: }
5246:
1.633 raeburn 5247: span.LC_cusr_subheading {
5248: font-weight: normal;
5249: font-size: 85%;
5250: }
5251:
1.545 albertel 5252: table.LC_docs_documents {
5253: background: #BBBBBB;
1.547 albertel 5254: border-width: 0px;
1.545 albertel 5255: border-collapse: collapse;
5256: }
5257:
5258: .LC_docs_entry_move {
5259: border: 0px;
5260: border-collapse: collapse;
1.544 albertel 5261: }
5262:
1.545 albertel 5263: .LC_docs_entry_move td {
5264: border: 2px solid #BBBBBB;
5265: background: #DDDDDD;
5266: }
5267:
5268: .LC_docs_editor td.LC_docs_entry_commands {
5269: background: #DDDDDD;
5270: font-size: x-small;
5271: }
1.544 albertel 5272: .LC_docs_copy {
1.545 albertel 5273: color: #000099;
1.544 albertel 5274: }
5275: .LC_docs_cut {
1.545 albertel 5276: color: #550044;
1.544 albertel 5277: }
5278: .LC_docs_rename {
1.545 albertel 5279: color: #009900;
1.544 albertel 5280: }
5281: .LC_docs_remove {
1.545 albertel 5282: color: #990000;
5283: }
5284:
1.547 albertel 5285: .LC_docs_reinit_warn,
5286: .LC_docs_ext_edit {
5287: font-size: x-small;
5288: }
5289:
1.545 albertel 5290: .LC_docs_editor td.LC_docs_entry_title,
5291: .LC_docs_editor td.LC_docs_entry_icon {
5292: background: #FFFFBB;
5293: }
5294: .LC_docs_editor td.LC_docs_entry_parameter {
5295: background: #BBBBFF;
5296: font-size: x-small;
5297: white-space: nowrap;
5298: }
5299:
5300: table.LC_docs_adddocs td,
5301: table.LC_docs_adddocs th {
5302: border: 1px solid #BBBBBB;
5303: padding: 4px;
5304: background: #DDDDDD;
1.543 albertel 5305: }
5306:
1.584 albertel 5307: table.LC_sty_begin {
5308: background: #BBFFBB;
5309: }
5310: table.LC_sty_end {
5311: background: #FFBBBB;
5312: }
5313:
1.589 raeburn 5314: table.LC_double_column {
5315: border-width: 0px;
5316: border-collapse: collapse;
5317: width: 100%;
5318: padding: 2px;
5319: }
5320:
5321: table.LC_double_column tr td.LC_left_col {
1.590 raeburn 5322: top: 2px;
1.589 raeburn 5323: left: 2px;
5324: width: 47%;
5325: vertical-align: top;
5326: }
5327:
5328: table.LC_double_column tr td.LC_right_col {
5329: top: 2px;
5330: right: 2px;
5331: width: 47%;
5332: vertical-align: top;
5333: }
5334:
1.594 raeburn 5335: span.LC_role_level {
5336: font-weight: bold;
5337: }
5338:
1.591 raeburn 5339: div.LC_left_float {
5340: float: left;
5341: padding-right: 5%;
1.597 albertel 5342: padding-bottom: 4px;
1.591 raeburn 5343: }
5344:
5345: div.LC_clear_float_header {
1.597 albertel 5346: padding-bottom: 2px;
1.591 raeburn 5347: }
5348:
5349: div.LC_clear_float_footer {
1.597 albertel 5350: padding-top: 10px;
1.591 raeburn 5351: clear: both;
5352: }
5353:
1.597 albertel 5354:
5355: div.LC_grade_show_user {
5356: margin-top: 20px;
5357: border: 1px solid black;
5358: }
5359: div.LC_grade_user_name {
5360: background: #DDDDEE;
5361: border-bottom: 1px solid black;
1.705 tempelho 5362: font-weight: bold;
5363: font-size: large;
1.597 albertel 5364: }
5365: div.LC_grade_show_user_odd_row div.LC_grade_user_name {
5366: background: #DDEEDD;
5367: }
5368:
5369: div.LC_grade_show_problem,
5370: div.LC_grade_submissions,
5371: div.LC_grade_message_center,
5372: div.LC_grade_info_links,
5373: div.LC_grade_assign {
5374: margin: 5px;
5375: width: 99%;
5376: background: #FFFFFF;
5377: }
5378: div.LC_grade_show_problem_header,
5379: div.LC_grade_submissions_header,
5380: div.LC_grade_message_center_header,
5381: div.LC_grade_assign_header {
1.705 tempelho 5382: font-weight: bold;
5383: font-size: large;
1.597 albertel 5384: }
5385: div.LC_grade_show_problem_problem,
5386: div.LC_grade_submissions_body,
5387: div.LC_grade_message_center_body,
5388: div.LC_grade_assign_body {
5389: border: 1px solid black;
5390: width: 99%;
5391: background: #FFFFFF;
5392: }
1.598 albertel 5393: span.LC_grade_check_note {
1.705 tempelho 5394: font-weight: normal;
5395: font-size: medium;
1.598 albertel 5396: display: inline;
5397: position: absolute;
5398: right: 1em;
5399: }
1.597 albertel 5400:
1.613 albertel 5401: table.LC_scantron_action {
5402: width: 100%;
5403: }
5404: table.LC_scantron_action tr th {
1.698 harmsja 5405: font-weight:bold;
5406: font-style:normal;
1.613 albertel 5407: }
1.698 harmsja 5408: .LC_edit_problem_header,
1.614 albertel 5409: div.LC_edit_problem_footer {
1.705 tempelho 5410: font-weight: normal;
5411: font-size: medium;
1.602 albertel 5412: margin: 2px;
1.600 albertel 5413: }
5414: div.LC_edit_problem_header,
1.602 albertel 5415: div.LC_edit_problem_header div,
1.614 albertel 5416: div.LC_edit_problem_footer,
5417: div.LC_edit_problem_footer div,
1.602 albertel 5418: div.LC_edit_problem_editxml_header,
5419: div.LC_edit_problem_editxml_header div {
1.600 albertel 5420: margin-top: 5px;
5421: }
1.602 albertel 5422: div.LC_edit_problem_header_edit_row {
5423: background: $tabbg;
5424: padding: 3px;
5425: margin-bottom: 5px;
5426: }
1.600 albertel 5427: div.LC_edit_problem_header_title {
1.705 tempelho 5428: font-weight: bold;
5429: font-size: larger;
1.602 albertel 5430: background: $tabbg;
5431: padding: 3px;
5432: }
5433: table.LC_edit_problem_header_title {
1.705 tempelho 5434: font-size: larger;
5435: font-weight: bold;
1.602 albertel 5436: width: 100%;
5437: border-color: $pgbg;
5438: border-style: solid;
5439: border-width: $border;
5440:
1.600 albertel 5441: background: $tabbg;
1.602 albertel 5442: border-collapse: collapse;
5443: padding: 0px
5444: }
5445:
5446: div.LC_edit_problem_discards {
5447: float: left;
5448: padding-bottom: 5px;
5449: }
5450: div.LC_edit_problem_saves {
5451: float: right;
5452: padding-bottom: 5px;
1.600 albertel 5453: }
5454: hr.LC_edit_problem_divide {
1.602 albertel 5455: clear: both;
1.600 albertel 5456: color: $tabbg;
5457: background-color: $tabbg;
5458: height: 3px;
5459: border: 0px;
5460: }
1.679 riegler 5461: img.stift{
1.678 riegler 5462: border-width:0;
1.679 riegler 5463: vertical-align:middle;
1.677 riegler 5464: }
1.680 riegler 5465:
1.681 riegler 5466: table#LC_mainmenu{
5467: margin-top:10px;
5468: width:80%;
5469:
5470: }
5471:
1.680 riegler 5472: table#LC_mainmenu td.LC_mainmenu_col_fieldset{
5473: vertical-align: top;
5474: width: 45%;
5475: }
5476:
1.716 raeburn 5477: div.LC_createcourse {
5478: margin: 10px 10px 10px 10px;
5479: }
5480:
1.693 droeschl 5481: /* ---- Remove when done ----
5482: # The following styles is part of the redesign of LON-CAPA and are
5483: # subject to change during this project.
5484: # Don't rely on their current functionality as they might be
5485: # changed or removed.
5486: # --------------------------*/
5487:
1.698 harmsja 5488: a:hover,
1.721 harmsja 5489: ol.LC_smallMenu a:hover,
5490: ol#LC_MenuBreadcrumbs a:hover,
5491: ol#LC_PathBreadcrumbs a:hover,
5492: ul#LC_TabMainMenuContent a:hover,
5493: .LC_FormSectionClearButton input:hover
5494: ul.LC_TabContent li:hover a{
1.698 harmsja 5495: color:#BF2317;
5496: text-decoration:none;
1.693 droeschl 5497: }
5498:
5499: h1 {
1.721 harmsja 5500: padding:5px 10px 5px 20px;
1.693 droeschl 5501: line-height:130%;
5502: }
1.698 harmsja 5503:
1.693 droeschl 5504: h2,h3,h4,h5,h6
5505: {
1.721 harmsja 5506: margin:5px 0px 5px 0px;
5507: padding:0px;
5508: line-height:130%;
1.693 droeschl 5509: }
1.721 harmsja 5510: .LC_hcell{
1.698 harmsja 5511: padding:3px 15px 3px 15px;
5512: margin:0px;
1.703 harmsja 5513: background-color:$tabbg;
5514: border-bottom:solid 1px $lg_border_color;
1.693 droeschl 5515: }
1.721 harmsja 5516: .LC_noBorder {
1.698 harmsja 5517: border:0px;
5518: }
1.693 droeschl 5519:
5520:
1.698 harmsja 5521: /* Main Header with discription of Person, Course, etc. */
1.693 droeschl 5522:
1.761 tempelho 5523: .LC_Right {
5524: float: right;
5525: margin: 0px;
5526: padding: 0px;
5527: }
5528:
1.721 harmsja 5529: p, .LC_ContentBox {
1.698 harmsja 5530: padding: 10px;
5531:
5532: }
1.721 harmsja 5533: .LC_FormSectionClearButton input {
1.741 harmsja 5534: background-color:transparent;
1.698 harmsja 5535: border:0px;
5536: cursor:pointer;
5537: text-decoration:underline;
1.693 droeschl 5538: }
1.763 bisitz 5539:
5540: .LC_help_open_topic {
5541: color: #FFFFFF;
5542: background-color: #EEEEFF;
5543: margin: 1px;
5544: padding: 4px;
5545: border: 1px solid #000033;
5546: white-space: nowrap;
1.759 neumanie 5547: }
1.693 droeschl 5548:
1.698 harmsja 5549: dl,ul,div,fieldset {
5550: margin: 10px 10px 10px 0px;
1.693 droeschl 5551: overflow:hidden;
5552: }
1.721 harmsja 5553: ol.LC_smallMenu, ol#LC_PathBreadcrumbs {
1.698 harmsja 5554: margin: 0px;
1.693 droeschl 5555: }
5556:
1.721 harmsja 5557: ol.LC_smallMenu li {
1.693 droeschl 5558: display: inline;
5559: padding: 5px 5px 0px 10px;
5560: vertical-align: top;
5561: }
5562:
1.721 harmsja 5563: ol.LC_smallMenu li img {
1.693 droeschl 5564: vertical-align: bottom;
5565: }
5566:
1.721 harmsja 5567: ol.LC_smallMenu a {
1.693 droeschl 5568: font-size: 90%;
5569: color: RGB(80, 80, 80);
5570: text-decoration: none;
5571: }
1.760 harmsja 5572: ol#LC_TabMainMenuContent, ul.LC_TabContent ,
1.741 harmsja 5573: ul.LC_TabContentBigger {
1.721 harmsja 5574: display:block;
5575: list-style:none;
1.741 harmsja 5576: margin: 0px;
1.693 droeschl 5577: padding: 0px;
5578: }
5579:
1.744 ehlerst 5580: ol#LC_TabMainMenuContent li, ul.LC_TabContent li,
1.741 harmsja 5581: ul.LC_TabContentBigger li{
1.693 droeschl 5582: display: inline;
1.741 harmsja 5583: border-right: solid 1px $lg_border_color;
5584: float:left;
5585: line-height:140%;
5586: white-space:nowrap;
5587: }
5588: ol#LC_TabMainMenuContent li{
1.693 droeschl 5589: vertical-align: bottom;
5590: border-bottom: solid 1px RGB(175, 175, 175);
1.721 harmsja 5591: padding: 5px 10px 5px 10px;
1.741 harmsja 5592: margin-right:5px;
5593: margin-bottom:3px;
1.693 droeschl 5594: font-weight: bold;
1.723 riegler 5595: background: url(/adm/lonIcons/lightGreyBG.png) repeat-x left top;
1.693 droeschl 5596: }
5597:
1.721 harmsja 5598: ol#LC_TabMainMenuContent li a{
1.693 droeschl 5599: color: RGB(47, 47, 47);
5600: text-decoration: none;
5601: }
1.721 harmsja 5602: ul.LC_TabContent {
1.741 harmsja 5603: min-height:1.6em;
1.721 harmsja 5604: }
5605: ul.LC_TabContent li{
1.741 harmsja 5606: vertical-align:middle;
5607: padding:0px 10px 0px 10px;
1.745 ehlerst 5608: background-color:$tabbg;
5609: border-bottom:solid 1px $lg_border_color;
1.721 harmsja 5610: }
1.744 ehlerst 5611: ul.LC_TabContent li a, ul.LC_TabContent li{
1.721 harmsja 5612: color:rgb(47,47,47);
5613: text-decoration:none;
5614: font-size:95%;
5615: font-weight:bold;
1.761 tempelho 5616: padding-right: 16px;
1.721 harmsja 5617: }
1.744 ehlerst 5618: ul.LC_TabContent li:hover, ul.LC_TabContent li.active{
1.761 tempelho 5619: background:#FFFFFF url(/adm/lonIcons/open.gif) no-repeat scroll right center;
1.745 ehlerst 5620: border-bottom:solid 1px #FFFFFF;
1.761 tempelho 5621: padding-right: 16px;
1.744 ehlerst 5622: }
1.741 harmsja 5623: ul.LC_TabContentBigger li{
5624: vertical-align:bottom;
5625: border-top:solid 1px $lg_border_color;
5626: border-left:solid 1px $lg_border_color;
5627: padding:5px 10px 5px 10px;
5628: margin-left:2px;
5629: background:url(/adm/lonIcons/lightGreyBG.png) repeat-x left top;
5630: }
1.744 ehlerst 5631: ul.LC_TabContentBigger li:hover, ul.LC_TabContentBigger li.active{
5632: background:url(/adm/lonIcons/lightGreyBG.png) repeat-x right bottom;
5633: }
1.741 harmsja 5634: ul.LC_TabContentBigger li, ul.LC_TabContentBigger li a{
5635: font-size:110%;
5636: font-weight:bold;
5637: }
1.693 droeschl 5638:
1.721 harmsja 5639: ol#LC_MenuBreadcrumbs, ol#LC_PathBreadcrumbs {
1.693 droeschl 5640: border-top: solid 1px RGB(255, 255, 255);
5641: height: 20px;
5642: line-height: 20px;
5643: vertical-align: bottom;
5644: margin: 0px 0px 30px 0px;
5645: padding-left: 10px;
5646: list-style-position: inside;
1.723 riegler 5647: background: url(/adm/lonIcons/lightGreyBG.png) repeat-x left top;
1.693 droeschl 5648: }
5649:
1.721 harmsja 5650: ol#LC_MenuBreadcrumbs li, ol#LC_PathBreadcrumbs li {
1.741 harmsja 5651: /*
1.723 riegler 5652: background: url(/adm/lonIcons/arrow_white.png) no-repeat left center;
1.741 harmsja 5653: */
1.693 droeschl 5654: display: inline;
5655: padding: 0px 0px 0px 10px;
5656: vertical-align: bottom;
5657: overflow:hidden;
5658: }
5659:
1.721 harmsja 5660: ol#LC_MenuBreadcrumbs li a {
1.693 droeschl 5661: text-decoration: none;
5662: font-size:90%;
5663: }
1.721 harmsja 5664: ol#LC_PathBreadcrumbs li a{
1.698 harmsja 5665: text-decoration:none;
5666: font-size:100%;
5667: font-weight:bold;
1.693 droeschl 5668: }
1.721 harmsja 5669: .LC_ContentBoxSpecial
1.693 droeschl 5670: {
1.701 harmsja 5671: border: solid 1px $lg_border_color;
1.746 neumanie 5672: }
5673: .LC_ContentBoxSpecialContactInfo
5674: {
5675: border: solid 1px $lg_border_color;
5676: max-width:25%;
5677: min-width:25%;
1.698 harmsja 5678: }
1.747 neumanie 5679: .LC_AboutMe_Image
5680: {
5681: float:left;
5682: margin-right:10px;
5683: }
5684: .LC_Clear_AboutMe_Image
5685: {
5686: clear:left;
5687: }
1.721 harmsja 5688: dl.LC_ListStyleClean dt {
1.693 droeschl 5689: padding-right: 5px;
5690: display: table-header-group;
5691: }
5692:
1.721 harmsja 5693: dl.LC_ListStyleClean dd {
1.693 droeschl 5694: display: table-row;
5695: }
5696:
1.721 harmsja 5697: .LC_ListStyleClean,
5698: .LC_ListStyleSimple,
5699: .LC_ListStyleNormal,
5700: .LC_ListStyleSpecial
1.693 droeschl 5701: {
5702: /*display:block; */
5703: list-style-position: inside;
5704: list-style-type: none;
5705: overflow: hidden;
5706: padding: 0px;
5707: }
5708:
1.721 harmsja 5709: .LC_ListStyleSimple li,
5710: .LC_ListStyleSimple dd,
5711: .LC_ListStyleNormal li,
5712: .LC_ListStyleNormal dd,
5713: .LC_ListStyleSpecial li,
5714: .LC_ListStyleSpecial dd
1.693 droeschl 5715: {
5716: margin: 0px;
5717: padding: 5px 5px 5px 10px;
5718: clear: both;
5719: }
5720:
1.721 harmsja 5721: .LC_ListStyleClean li,
5722: .LC_ListStyleClean dd {
1.693 droeschl 5723: padding-top: 0px;
5724: padding-bottom: 0px;
5725: }
5726:
1.721 harmsja 5727: .LC_ListStyleSimple dd,
5728: .LC_ListStyleSimple li{
1.698 harmsja 5729: border-bottom: solid 1px $lg_border_color;
1.693 droeschl 5730: }
5731:
1.721 harmsja 5732: .LC_ListStyleSpecial li,
5733: .LC_ListStyleSpecial dd {
1.693 droeschl 5734: list-style-type: none;
5735: background-color: RGB(220, 220, 220);
5736: margin-bottom: 4px;
5737: }
5738:
1.721 harmsja 5739: table.LC_SimpleTable {
1.698 harmsja 5740: margin:5px;
5741: border:solid 1px $lg_border_color;
1.693 droeschl 5742: }
5743:
1.721 harmsja 5744: table.LC_SimpleTable tr {
1.698 harmsja 5745: padding:0px;
5746: border:solid 1px $lg_border_color;
1.693 droeschl 5747: }
1.721 harmsja 5748: table.LC_SimpleTable thead{
1.698 harmsja 5749: background:rgb(220,220,220);
1.693 droeschl 5750: }
5751:
1.721 harmsja 5752: div.LC_columnSection {
1.693 droeschl 5753: display: block;
5754: clear: both;
5755: overflow: hidden;
5756: margin:0px;
5757: }
5758:
1.721 harmsja 5759: div.LC_columnSection>* {
1.693 droeschl 5760: float: left;
5761: margin: 10px 20px 10px 0px;
1.747 neumanie 5762: overflow:hidden;
1.693 droeschl 5763: }
1.721 harmsja 5764:
1.719 ehlerst 5765: .ContentBoxSpecialTemplate
5766: {
1.747 neumanie 5767: border: solid 1px $lg_border_color;
1.719 ehlerst 5768: }
5769: .ContentBoxTemplate {
5770: padding:10px;
5771: }
5772:
1.721 harmsja 5773: div.LC_columnSection > .ContentBoxTemplate,
5774: div.LC_columnSection > .ContentBoxSpecialTemplate
1.719 ehlerst 5775: {
5776: width: 600px;
5777: }
1.753 droeschl 5778:
1.720 ehlerst 5779: .clear{
5780: clear: both;
5781: line-height: 0px;
5782: font-size: 0px;
5783: height: 0px;
5784: }
1.693 droeschl 5785:
1.694 tempelho 5786: .LC_loginpage_container {
5787: text-align:left;
5788: margin : 0 auto;
5789: width:65%;
5790: padding: 10px;
5791: height: auto;
1.712 muellerd 5792: background-color:#FFFFFF;
1.694 tempelho 5793: border:1px solid #CCCCCC;
5794: }
5795:
5796:
5797: .LC_loginpage_loginContainer {
5798: float:left;
1.712 muellerd 5799: width: 182px;
5800: border:1px solid #CCCCCC;
5801: background-color:$loginbg;
1.694 tempelho 5802: }
5803:
1.717 tempelho 5804: .LC_loginpage_loginContainer h2{
1.712 muellerd 5805: margin-top:0;
5806: display:block;
5807: background:$bgcol;
5808: color:$textcol;
5809: padding-left:5px;
5810: }
1.694 tempelho 5811: .LC_loginpage_loginInfo {
5812: margin-left:20px;
5813: float:left;
5814: width:30%;
5815: border:1px solid #CCCCCC;
5816: padding:10px;
5817: }
5818:
1.712 muellerd 5819: .LC_loginpage_loginDomain {
5820: margin-right:20px;
5821: width:20%;
5822: float:left;
5823: padding:10px;
5824: }
5825:
1.694 tempelho 5826: .LC_loginpage_space {
1.754 droeschl 5827: clear: both;
5828: margin-bottom: 20px;
1.694 tempelho 5829: border-bottom: 1px solid #CCCCCC;
5830: }
5831:
1.748 schulted 5832: table em{
1.754 droeschl 5833: font-weight: bold;
5834: font-style: normal;
1.748 schulted 5835: }
1.771 droeschl 5836: table.LC_tableBrowseRes,
1.768 schulted 5837: table.LC_tableOfContent{
1.769 schulted 5838: border:none;
5839: border-spacing: 1;
1.754 droeschl 5840: padding: 3px;
5841: background-color: #FFFFFF;
5842: font-size: 90%;
1.753 droeschl 5843: }
1.771 droeschl 5844: table.LC_tableBrowseRes a,
1.768 schulted 5845: table.LC_tableOfContent a {
1.771 droeschl 5846: background-color: transparent;
1.753 droeschl 5847: text-decoration: none;
5848: }
5849:
1.771 droeschl 5850: table.LC_tableBrowseRes tr.LC_trOdd,
1.768 schulted 5851: table.LC_tableOfContent tr.LC_trOdd{
1.754 droeschl 5852: background-color: #EEEEEE;
1.753 droeschl 5853: }
5854:
1.768 schulted 5855: table.LC_tableOfContent img{
1.753 droeschl 5856: border: none;
5857: height: 1.3em;
5858: vertical-align: text-bottom;
5859: margin-right: 0.3em;
5860: }
1.757 schulted 5861:
1.774 ehlerst 5862: a#LC_content_toolbar_firsthomework{
5863: background-image:url(/res/adm/pages/open-first-problem.gif);
5864: }
5865:
5866: a#LC_content_toolbar_launchnav{
5867: background-image:url(/res/adm/pages/start-navigation.gif);
5868: }
5869:
5870: a#LC_content_toolbar_closenav{
5871: background-image:url(/res/adm/pages/close-navigation.gif);
5872: }
5873:
5874: a#LC_content_toolbar_everything{
5875: background-image:url(/res/adm/pages/show-all.gif);
5876: }
5877:
5878: a#LC_content_toolbar_uncompleted{
5879: background-image:url(/res/adm/pages/show-incomplete-problems.gif);
5880: }
5881:
5882: #LC_content_toolbar_clearbubbles{
5883: background-image:url(/res/adm/pages/mark-discussionentries-read.gif);
5884: }
5885:
1.757 schulted 5886: a#LC_content_toolbar_changefolder{
5887: background : url(/res/adm/pages/close-all-folders.gif) top center ;
5888: }
5889:
5890: a#LC_content_toolbar_changefolder_toggled{
5891: background-image:url(/res/adm/pages/open-all-folders.gif);
5892: }
5893:
5894: ul#LC_toolbar li a:hover{
5895: background-position: bottom center;
5896: }
5897:
5898: ul#LC_toolbar{
5899: padding:0;
5900: margin: 2px;
5901: list-style:none;
5902: position:relative;
5903: background-color:white;
5904: }
5905:
5906: ul#LC_toolbar li{
5907: border:1px solid white;
5908: padding:0;
5909: margin: 0;
1.767 droeschl 5910: float: left;
5911: display:inline;
1.757 schulted 5912: vertical-align:middle;
5913: }
5914:
5915: a.LC_toolbarItem{
1.767 droeschl 5916: display:block;
1.757 schulted 5917: padding:0;
5918: margin:0;
5919: height: 32px;
5920: width: 32px;
5921: color:white;
5922: border:0 none;
5923: background-repeat:no-repeat;
5924: background-color:transparent;
5925: }
5926:
5927:
1.343 albertel 5928: END
5929: }
5930:
1.306 albertel 5931: =pod
5932:
5933: =item * &headtag()
5934:
5935: Returns a uniform footer for LON-CAPA web pages.
5936:
1.307 albertel 5937: Inputs: $title - optional title for the head
5938: $head_extra - optional extra HTML to put inside the <head>
1.315 albertel 5939: $args - optional arguments
1.319 albertel 5940: force_register - if is true call registerurl so the remote is
5941: informed
1.415 albertel 5942: redirect -> array ref of
5943: 1- seconds before redirect occurs
5944: 2- url to redirect to
5945: 3- whether the side effect should occur
1.315 albertel 5946: (side effect of setting
5947: $env{'internal.head.redirect'} to the url
5948: redirected too)
1.352 albertel 5949: domain -> force to color decorate a page for a specific
5950: domain
5951: function -> force usage of a specific rolish color scheme
5952: bgcolor -> override the default page bgcolor
1.460 albertel 5953: no_auto_mt_title
5954: -> prevent &mt()ing the title arg
1.464 albertel 5955:
1.306 albertel 5956: =cut
5957:
5958: sub headtag {
1.313 albertel 5959: my ($title,$head_extra,$args) = @_;
1.306 albertel 5960:
1.363 albertel 5961: my $function = $args->{'function'} || &get_users_function();
5962: my $domain = $args->{'domain'} || &determinedomain();
5963: my $bgcolor = $args->{'bgcolor'} || &designparm($function.'.pgbg',$domain);
1.418 albertel 5964: my $url = join(':',$env{'user.name'},$env{'user.domain'},
1.458 albertel 5965: $Apache::lonnet::perlvar{'lonVersion'},
1.531 albertel 5966: #time(),
1.418 albertel 5967: $env{'environment.color.timestamp'},
1.363 albertel 5968: $function,$domain,$bgcolor);
5969:
1.369 www 5970: $url = '/adm/css/'.&escape($url).'.css';
1.363 albertel 5971:
1.308 albertel 5972: my $result =
5973: '<head>'.
1.461 albertel 5974: &font_settings();
1.319 albertel 5975:
1.461 albertel 5976: if (!$args->{'frameset'}) {
5977: $result .= &Apache::lonhtmlcommon::htmlareaheaders();
5978: }
1.319 albertel 5979: if ($args->{'force_register'}) {
5980: $result .= &Apache::lonmenu::registerurl(1);
5981: }
1.436 albertel 5982: if (!$args->{'no_nav_bar'}
5983: && !$args->{'only_body'}
5984: && !$args->{'frameset'}) {
5985: $result .= &help_menu_js();
5986: }
1.319 albertel 5987:
1.314 albertel 5988: if (ref($args->{'redirect'})) {
1.414 albertel 5989: my ($time,$url,$inhibit_continue) = @{$args->{'redirect'}};
1.315 albertel 5990: $url = &Apache::lonenc::check_encrypt($url);
1.414 albertel 5991: if (!$inhibit_continue) {
5992: $env{'internal.head.redirect'} = $url;
5993: }
1.313 albertel 5994: $result.=<<ADDMETA
5995: <meta http-equiv="pragma" content="no-cache" />
1.344 albertel 5996: <meta http-equiv="Refresh" content="$time; url=$url" />
1.313 albertel 5997: ADDMETA
5998: }
1.306 albertel 5999: if (!defined($title)) {
6000: $title = 'The LearningOnline Network with CAPA';
6001: }
1.460 albertel 6002: if (!$args->{'no_auto_mt_title'}) { $title = &mt($title); }
6003: $result .= '<title> LON-CAPA '.$title.'</title>'
1.414 albertel 6004: .'<link rel="stylesheet" type="text/css" href="'.$url.'" />'
6005: .$head_extra;
1.306 albertel 6006: return $result;
6007: }
6008:
6009: =pod
6010:
1.340 albertel 6011: =item * &font_settings()
6012:
6013: Returns neccessary <meta> to set the proper encoding
6014:
6015: Inputs: none
6016:
6017: =cut
6018:
6019: sub font_settings {
6020: my $headerstring='';
1.647 www 6021: if (!$env{'browser.mathml'} && $env{'browser.unicode'}) {
1.340 albertel 6022: $headerstring.=
6023: '<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />';
6024: }
6025: return $headerstring;
6026: }
6027:
1.341 albertel 6028: =pod
6029:
6030: =item * &xml_begin()
6031:
6032: Returns the needed doctype and <html>
6033:
6034: Inputs: none
6035:
6036: =cut
6037:
6038: sub xml_begin {
6039: my $output='';
6040:
1.592 albertel 6041: if ($env{'internal.start_page'}==1) {
6042: &Apache::lonhtmlcommon::init_htmlareafields();
6043: }
1.342 albertel 6044:
1.341 albertel 6045: if ($env{'browser.mathml'}) {
6046: $output='<?xml version="1.0"?>'
6047: #.'<?xml-stylesheet type="text/css" href="/adm/MathML/mathml.css"?>'."\n"
6048: # .'<!DOCTYPE html SYSTEM "/adm/MathML/mathml.dtd" '
6049:
6050: # .'<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd" [<!ENTITY mathns "http://www.w3.org/1998/Math/MathML">] >'
6051: .'<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1 plus MathML 2.0 plus SVG 1.1//EN" "http://www.w3.org/2002/04/xhtml-math-svg/xhtml-math-svg.dtd">'
6052: .'<html xmlns:math="http://www.w3.org/1998/Math/MathML" '
6053: .'xmlns="http://www.w3.org/1999/xhtml">';
6054: } else {
6055: $output='<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html>';
6056: }
6057: return $output;
6058: }
1.340 albertel 6059:
6060: =pod
6061:
1.306 albertel 6062: =item * &endheadtag()
6063:
6064: Returns a uniform </head> for LON-CAPA web pages.
6065:
6066: Inputs: none
6067:
6068: =cut
6069:
6070: sub endheadtag {
6071: return '</head>';
6072: }
6073:
6074: =pod
6075:
6076: =item * &head()
6077:
6078: Returns a uniform complete <head>..</head> section for LON-CAPA web pages.
6079:
1.648 raeburn 6080: Inputs:
6081:
6082: =over 4
6083:
6084: $title - optional title for the page
6085:
6086: $head_extra - optional extra HTML to put inside the <head>
6087:
6088: =back
1.405 albertel 6089:
1.306 albertel 6090: =cut
6091:
6092: sub head {
1.325 albertel 6093: my ($title,$head_extra,$args) = @_;
6094: return &headtag($title,$head_extra,$args).&endheadtag();
1.306 albertel 6095: }
6096:
6097: =pod
6098:
6099: =item * &start_page()
6100:
6101: Returns a complete <html> .. <body> section for LON-CAPA web pages.
6102:
1.648 raeburn 6103: Inputs:
6104:
6105: =over 4
6106:
6107: $title - optional title for the page
6108:
6109: $head_extra - optional extra HTML to incude inside the <head>
6110:
6111: $args - additional optional args supported are:
6112:
6113: =over 8
6114:
6115: only_body -> is true will set &bodytag() onlybodytag
1.317 albertel 6116: arg on
1.648 raeburn 6117: no_nav_bar -> is true will set &bodytag() notopbar arg on
6118: add_entries -> additional attributes to add to the <body>
6119: domain -> force to color decorate a page for a
1.317 albertel 6120: specific domain
1.648 raeburn 6121: function -> force usage of a specific rolish color
1.317 albertel 6122: scheme
1.648 raeburn 6123: redirect -> see &headtag()
6124: bgcolor -> override the default page bg color
6125: js_ready -> return a string ready for being used in
1.317 albertel 6126: a javascript writeln
1.648 raeburn 6127: html_encode -> return a string ready for being used in
1.320 albertel 6128: a html attribute
1.648 raeburn 6129: force_register -> if is true will turn on the &bodytag()
1.317 albertel 6130: $forcereg arg
1.648 raeburn 6131: body_title -> alternate text to use instead of $title
1.326 albertel 6132: in the title box that appears, this text
6133: is not auto translated like the $title is
1.648 raeburn 6134: frameset -> if true will start with a <frameset>
1.330 albertel 6135: rather than <body>
1.648 raeburn 6136: no_title -> if true the title bar won't be shown
6137: skip_phases -> hash ref of
1.338 albertel 6138: head -> skip the <html><head> generation
6139: body -> skip all <body> generation
1.648 raeburn 6140: no_inline_link -> if true and in remote mode, don't show the
1.361 albertel 6141: 'Switch To Inline Menu' link
1.648 raeburn 6142: no_auto_mt_title -> prevent &mt()ing the title arg
6143: inherit_jsmath -> when creating popup window in a page,
6144: should it have jsmath forced on by the
6145: current page
1.361 albertel 6146:
1.648 raeburn 6147: =back
1.460 albertel 6148:
1.648 raeburn 6149: =back
1.562 albertel 6150:
1.306 albertel 6151: =cut
6152:
6153: sub start_page {
1.309 albertel 6154: my ($title,$head_extra,$args) = @_;
1.318 albertel 6155: #&Apache::lonnet::logthis("start_page ".join(':',caller(0)));
1.313 albertel 6156: my %head_args;
1.352 albertel 6157: foreach my $arg ('redirect','force_register','domain','function',
1.460 albertel 6158: 'bgcolor','frameset','no_nav_bar','only_body',
6159: 'no_auto_mt_title') {
1.319 albertel 6160: if (defined($args->{$arg})) {
1.324 raeburn 6161: $head_args{$arg} = $args->{$arg};
1.319 albertel 6162: }
1.313 albertel 6163: }
1.319 albertel 6164:
1.315 albertel 6165: $env{'internal.start_page'}++;
1.338 albertel 6166: my $result;
6167: if (! exists($args->{'skip_phases'}{'head'}) ) {
6168: $result.=
1.341 albertel 6169: &xml_begin().
1.338 albertel 6170: &headtag($title,$head_extra,\%head_args).&endheadtag();
6171: }
6172:
6173: if (! exists($args->{'skip_phases'}{'body'}) ) {
6174: if ($args->{'frameset'}) {
6175: my $attr_string = &make_attr_string($args->{'force_register'},
6176: $args->{'add_entries'});
6177: $result .= "\n<frameset $attr_string>\n";
6178: } else {
6179: $result .=
6180: &bodytag($title,
6181: $args->{'function'}, $args->{'add_entries'},
6182: $args->{'only_body'}, $args->{'domain'},
6183: $args->{'force_register'}, $args->{'body_title'},
6184: $args->{'no_nav_bar'}, $args->{'bgcolor'},
1.460 albertel 6185: $args->{'no_title'}, $args->{'no_inline_link'},
6186: $args);
1.338 albertel 6187: }
1.330 albertel 6188: }
1.338 albertel 6189:
1.315 albertel 6190: if ($args->{'js_ready'}) {
1.713 kaisler 6191: $result = &js_ready($result);
1.315 albertel 6192: }
1.320 albertel 6193: if ($args->{'html_encode'}) {
1.713 kaisler 6194: $result = &html_encode($result);
6195: }
6196:
1.758 kaisler 6197: #Breadcrumbs
6198: if (exists($args->{'bread_crumbs'}) or exists($args->{'bread_crumbs_component'})) {
6199: &Apache::lonhtmlcommon::clear_breadcrumbs();
6200: #if any br links exists, add them to the breadcrumbs
6201: if (exists($args->{'bread_crumbs'}) and ref($args->{'bread_crumbs'}) eq 'ARRAY') {
6202: foreach my $crumb (@{$args->{'bread_crumbs'}}){
6203: &Apache::lonhtmlcommon::add_breadcrumb($crumb);
6204: }
6205: }
6206:
6207: #if bread_crumbs_component exists show it as headline else show only the breadcrumbs
6208: if(exists($args->{'bread_crumbs_component'})){
6209: $result .= &Apache::lonhtmlcommon::breadcrumbs($args->{'bread_crumbs_component'});
6210: }else{
6211: $result .= &Apache::lonhtmlcommon::breadcrumbs();
6212: }
1.320 albertel 6213: }
1.315 albertel 6214: return $result;
1.306 albertel 6215: }
6216:
1.330 albertel 6217:
1.306 albertel 6218: =pod
6219:
6220: =item * &head()
6221:
6222: Returns a complete </body></html> section for LON-CAPA web pages.
6223:
1.315 albertel 6224: Inputs: $args - additional optional args supported are:
6225: js_ready -> return a string ready for being used in
6226: a javascript writeln
1.320 albertel 6227: html_encode -> return a string ready for being used in
6228: a html attribute
1.330 albertel 6229: frameset -> if true will start with a <frameset>
6230: rather than <body>
1.493 albertel 6231: dicsussion -> if true will get discussion from
6232: lonxml::xmlend
6233: (you can pass the target and parser arguments
6234: through optional 'target' and 'parser' args
6235: to this routine)
1.306 albertel 6236:
6237: =cut
6238:
6239: sub end_page {
1.315 albertel 6240: my ($args) = @_;
6241: $env{'internal.end_page'}++;
1.330 albertel 6242: my $result;
1.335 albertel 6243: if ($args->{'discussion'}) {
6244: my ($target,$parser);
6245: if (ref($args->{'discussion'})) {
6246: ($target,$parser) =($args->{'discussion'}{'target'},
6247: $args->{'discussion'}{'parser'});
6248: }
6249: $result .= &Apache::lonxml::xmlend($target,$parser);
6250: }
6251:
1.330 albertel 6252: if ($args->{'frameset'}) {
6253: $result .= '</frameset>';
6254: } else {
1.635 raeburn 6255: $result .= &endbodytag($args);
1.330 albertel 6256: }
6257: $result .= "\n</html>";
6258:
1.315 albertel 6259: if ($args->{'js_ready'}) {
1.317 albertel 6260: $result = &js_ready($result);
1.315 albertel 6261: }
1.335 albertel 6262:
1.320 albertel 6263: if ($args->{'html_encode'}) {
6264: $result = &html_encode($result);
6265: }
1.335 albertel 6266:
1.315 albertel 6267: return $result;
6268: }
6269:
1.320 albertel 6270: sub html_encode {
6271: my ($result) = @_;
6272:
1.322 albertel 6273: $result = &HTML::Entities::encode($result,'<>&"');
1.320 albertel 6274:
6275: return $result;
6276: }
1.317 albertel 6277: sub js_ready {
6278: my ($result) = @_;
6279:
1.323 albertel 6280: $result =~ s/[\n\r]/ /xmsg;
6281: $result =~ s/\\/\\\\/xmsg;
6282: $result =~ s/'/\\'/xmsg;
1.372 albertel 6283: $result =~ s{</}{<\\/}xmsg;
1.317 albertel 6284:
6285: return $result;
6286: }
6287:
1.315 albertel 6288: sub validate_page {
6289: if ( exists($env{'internal.start_page'})
1.316 albertel 6290: && $env{'internal.start_page'} > 1) {
6291: &Apache::lonnet::logthis('start_page called multiple times '.
1.318 albertel 6292: $env{'internal.start_page'}.' '.
1.316 albertel 6293: $ENV{'request.filename'});
1.315 albertel 6294: }
6295: if ( exists($env{'internal.end_page'})
1.316 albertel 6296: && $env{'internal.end_page'} > 1) {
6297: &Apache::lonnet::logthis('end_page called multiple times '.
1.318 albertel 6298: $env{'internal.end_page'}.' '.
1.316 albertel 6299: $env{'request.filename'});
1.315 albertel 6300: }
6301: if ( exists($env{'internal.start_page'})
6302: && ! exists($env{'internal.end_page'})) {
1.316 albertel 6303: &Apache::lonnet::logthis('start_page called without end_page '.
6304: $env{'request.filename'});
1.315 albertel 6305: }
6306: if ( ! exists($env{'internal.start_page'})
6307: && exists($env{'internal.end_page'})) {
1.316 albertel 6308: &Apache::lonnet::logthis('end_page called without start_page'.
6309: $env{'request.filename'});
1.315 albertel 6310: }
1.306 albertel 6311: }
1.315 albertel 6312:
1.318 albertel 6313: sub simple_error_page {
6314: my ($r,$title,$msg) = @_;
6315: my $page =
6316: &Apache::loncommon::start_page($title).
6317: &mt($msg).
6318: &Apache::loncommon::end_page();
6319: if (ref($r)) {
6320: $r->print($page);
1.327 albertel 6321: return;
1.318 albertel 6322: }
6323: return $page;
6324: }
1.347 albertel 6325:
6326: {
1.610 albertel 6327: my @row_count;
1.347 albertel 6328: sub start_data_table {
1.422 albertel 6329: my ($add_class) = @_;
6330: my $css_class = (join(' ','LC_data_table',$add_class));
1.610 albertel 6331: unshift(@row_count,0);
1.422 albertel 6332: return '<table class="'.$css_class.'">'."\n";
1.347 albertel 6333: }
6334:
6335: sub end_data_table {
1.610 albertel 6336: shift(@row_count);
1.389 albertel 6337: return '</table>'."\n";;
1.347 albertel 6338: }
6339:
6340: sub start_data_table_row {
1.422 albertel 6341: my ($add_class) = @_;
1.610 albertel 6342: $row_count[0]++;
6343: my $css_class = ($row_count[0] % 2)?'LC_odd_row':'LC_even_row';
1.428 albertel 6344: $css_class = (join(' ',$css_class,$add_class));
1.422 albertel 6345: return '<tr class="'.$css_class.'">'."\n";;
1.347 albertel 6346: }
1.471 banghart 6347:
6348: sub continue_data_table_row {
6349: my ($add_class) = @_;
1.610 albertel 6350: my $css_class = ($row_count[0] % 2)?'LC_odd_row':'LC_even_row';
1.471 banghart 6351: $css_class = (join(' ',$css_class,$add_class));
6352: return '<tr class="'.$css_class.'">'."\n";;
6353: }
1.347 albertel 6354:
6355: sub end_data_table_row {
1.389 albertel 6356: return '</tr>'."\n";;
1.347 albertel 6357: }
1.367 www 6358:
1.421 albertel 6359: sub start_data_table_empty_row {
1.707 bisitz 6360: # $row_count[0]++;
1.421 albertel 6361: return '<tr class="LC_empty_row" >'."\n";;
6362: }
6363:
6364: sub end_data_table_empty_row {
6365: return '</tr>'."\n";;
6366: }
6367:
1.367 www 6368: sub start_data_table_header_row {
1.389 albertel 6369: return '<tr class="LC_header_row">'."\n";;
1.367 www 6370: }
6371:
6372: sub end_data_table_header_row {
1.389 albertel 6373: return '</tr>'."\n";;
1.367 www 6374: }
1.347 albertel 6375: }
6376:
1.548 albertel 6377: =pod
6378:
6379: =item * &inhibit_menu_check($arg)
6380:
6381: Checks for a inhibitmenu state and generates output to preserve it
6382:
6383: Inputs: $arg - can be any of
6384: - undef - in which case the return value is a string
6385: to add into arguments list of a uri
6386: - 'input' - in which case the return value is a HTML
6387: <form> <input> field of type hidden to
6388: preserve the value
6389: - a url - in which case the return value is the url with
6390: the neccesary cgi args added to preserve the
6391: inhibitmenu state
6392: - a ref to a url - no return value, but the string is
6393: updated to include the neccessary cgi
6394: args to preserve the inhibitmenu state
6395:
6396: =cut
6397:
6398: sub inhibit_menu_check {
6399: my ($arg) = @_;
6400: &get_unprocessed_cgi($ENV{'QUERY_STRING'}, ['inhibitmenu']);
6401: if ($arg eq 'input') {
6402: if ($env{'form.inhibitmenu'}) {
6403: return '<input type="hidden" name="inhibitmenu" value="'.$env{'form.inhibitmenu'}.'" />';
6404: } else {
6405: return
6406: }
6407: }
6408: if ($env{'form.inhibitmenu'}) {
6409: if (ref($arg)) {
6410: $$arg .= '?inhibitmenu='.$env{'form.inhibitmenu'};
6411: } elsif ($arg eq '') {
6412: $arg .= 'inhibitmenu='.$env{'form.inhibitmenu'};
6413: } else {
6414: $arg .= '?inhibitmenu='.$env{'form.inhibitmenu'};
6415: }
6416: }
6417: if (!ref($arg)) {
6418: return $arg;
6419: }
6420: }
6421:
1.251 albertel 6422: ###############################################
1.182 matthew 6423:
6424: =pod
6425:
1.549 albertel 6426: =back
6427:
6428: =head1 User Information Routines
6429:
6430: =over 4
6431:
1.405 albertel 6432: =item * &get_users_function()
1.182 matthew 6433:
6434: Used by &bodytag to determine the current users primary role.
6435: Returns either 'student','coordinator','admin', or 'author'.
6436:
6437: =cut
6438:
6439: ###############################################
6440: sub get_users_function {
6441: my $function = 'student';
1.258 albertel 6442: if ($env{'request.role'}=~/^(cc|in|ta|ep)/) {
1.182 matthew 6443: $function='coordinator';
6444: }
1.258 albertel 6445: if ($env{'request.role'}=~/^(su|dc|ad|li)/) {
1.182 matthew 6446: $function='admin';
6447: }
1.258 albertel 6448: if (($env{'request.role'}=~/^(au|ca)/) ||
1.182 matthew 6449: ($ENV{'REQUEST_URI'}=~/^(\/priv|\~)/)) {
6450: $function='author';
6451: }
6452: return $function;
1.54 www 6453: }
1.99 www 6454:
6455: ###############################################
6456:
1.233 raeburn 6457: =pod
6458:
1.542 raeburn 6459: =item * &check_user_status()
1.274 raeburn 6460:
6461: Determines current status of supplied role for a
6462: specific user. Roles can be active, previous or future.
6463:
6464: Inputs:
6465: user's domain, user's username, course's domain,
1.375 raeburn 6466: course's number, optional section ID.
1.274 raeburn 6467:
6468: Outputs:
6469: role status: active, previous or future.
6470:
6471: =cut
6472:
6473: sub check_user_status {
1.412 raeburn 6474: my ($udom,$uname,$cdom,$crs,$role,$sec) = @_;
1.274 raeburn 6475: my %userinfo = &Apache::lonnet::dump('roles',$udom,$uname);
6476: my @uroles = keys %userinfo;
6477: my $srchstr;
6478: my $active_chk = 'none';
1.412 raeburn 6479: my $now = time;
1.274 raeburn 6480: if (@uroles > 0) {
1.412 raeburn 6481: if (($role eq 'cc') || ($sec eq '') || (!defined($sec))) {
1.274 raeburn 6482: $srchstr = '/'.$cdom.'/'.$crs.'_'.$role;
6483: } else {
1.412 raeburn 6484: $srchstr = '/'.$cdom.'/'.$crs.'/'.$sec.'_'.$role;
6485: }
6486: if (grep/^\Q$srchstr\E$/,@uroles) {
1.274 raeburn 6487: my $role_end = 0;
6488: my $role_start = 0;
6489: $active_chk = 'active';
1.412 raeburn 6490: if ($userinfo{$srchstr} =~ m/^\Q$role\E_(\d+)/) {
6491: $role_end = $1;
6492: if ($userinfo{$srchstr} =~ m/^\Q$role\E_\Q$role_end\E_(\d+)$/) {
6493: $role_start = $1;
1.274 raeburn 6494: }
6495: }
6496: if ($role_start > 0) {
1.412 raeburn 6497: if ($now < $role_start) {
1.274 raeburn 6498: $active_chk = 'future';
6499: }
6500: }
6501: if ($role_end > 0) {
1.412 raeburn 6502: if ($now > $role_end) {
1.274 raeburn 6503: $active_chk = 'previous';
6504: }
6505: }
6506: }
6507: }
6508: return $active_chk;
6509: }
6510:
6511: ###############################################
6512:
6513: =pod
6514:
1.405 albertel 6515: =item * &get_sections()
1.233 raeburn 6516:
6517: Determines all the sections for a course including
6518: sections with students and sections containing other roles.
1.419 raeburn 6519: Incoming parameters:
6520:
6521: 1. domain
6522: 2. course number
6523: 3. reference to array containing roles for which sections should
6524: be gathered (optional).
6525: 4. reference to array containing status types for which sections
6526: should be gathered (optional).
6527:
6528: If the third argument is undefined, sections are gathered for any role.
6529: If the fourth argument is undefined, sections are gathered for any status.
6530: Permissible values are 'active' or 'future' or 'previous'.
1.233 raeburn 6531:
1.374 raeburn 6532: Returns section hash (keys are section IDs, values are
6533: number of users in each section), subject to the
1.419 raeburn 6534: optional roles filter, optional status filter
1.233 raeburn 6535:
6536: =cut
6537:
6538: ###############################################
6539: sub get_sections {
1.419 raeburn 6540: my ($cdom,$cnum,$possible_roles,$possible_status) = @_;
1.366 albertel 6541: if (!defined($cdom) || !defined($cnum)) {
6542: my $cid = $env{'request.course.id'};
6543:
6544: return if (!defined($cid));
6545:
6546: $cdom = $env{'course.'.$cid.'.domain'};
6547: $cnum = $env{'course.'.$cid.'.num'};
6548: }
6549:
6550: my %sectioncount;
1.419 raeburn 6551: my $now = time;
1.240 albertel 6552:
1.366 albertel 6553: if (!defined($possible_roles) || (grep(/^st$/,@$possible_roles))) {
1.276 albertel 6554: my ($classlist) = &Apache::loncoursedata::get_classlist($cdom,$cnum);
1.240 albertel 6555: my $sec_index = &Apache::loncoursedata::CL_SECTION();
6556: my $status_index = &Apache::loncoursedata::CL_STATUS();
1.419 raeburn 6557: my $start_index = &Apache::loncoursedata::CL_START();
6558: my $end_index = &Apache::loncoursedata::CL_END();
6559: my $status;
1.366 albertel 6560: while (my ($student,$data) = each(%$classlist)) {
1.419 raeburn 6561: my ($section,$stu_status,$start,$end) = ($data->[$sec_index],
6562: $data->[$status_index],
6563: $data->[$start_index],
6564: $data->[$end_index]);
6565: if ($stu_status eq 'Active') {
6566: $status = 'active';
6567: } elsif ($end < $now) {
6568: $status = 'previous';
6569: } elsif ($start > $now) {
6570: $status = 'future';
6571: }
6572: if ($section ne '-1' && $section !~ /^\s*$/) {
6573: if ((!defined($possible_status)) || (($status ne '') &&
6574: (grep/^\Q$status\E$/,@{$possible_status}))) {
6575: $sectioncount{$section}++;
6576: }
1.240 albertel 6577: }
6578: }
6579: }
6580: my %courseroles = &Apache::lonnet::dump('nohist_userroles',$cdom,$cnum);
6581: foreach my $user (sort(keys(%courseroles))) {
6582: if ($user !~ /^(\w{2})/) { next; }
6583: my ($role) = ($user =~ /^(\w{2})/);
6584: if ($possible_roles && !(grep(/^$role$/,@$possible_roles))) { next; }
1.419 raeburn 6585: my ($section,$status);
1.240 albertel 6586: if ($role eq 'cr' &&
6587: $user =~ m-^$role/[^/]*/[^/]*/[^/]*:[^:]*:[^:]*:(\w+)-) {
6588: $section=$1;
6589: }
6590: if ($user =~ /^$role:[^:]*:[^:]*:(\w+)/) { $section=$1; }
6591: if (!defined($section) || $section eq '-1') { next; }
1.419 raeburn 6592: my ($end,$start) = ($courseroles{$user} =~ /^([^:]*):([^:]*)$/);
6593: if ($end == -1 && $start == -1) {
6594: next; #deleted role
6595: }
6596: if (!defined($possible_status)) {
6597: $sectioncount{$section}++;
6598: } else {
6599: if ((!$end || $end >= $now) && (!$start || $start <= $now)) {
6600: $status = 'active';
6601: } elsif ($end < $now) {
6602: $status = 'future';
6603: } elsif ($start > $now) {
6604: $status = 'previous';
6605: }
6606: if (($status ne '') && (grep/^\Q$status\E$/,@{$possible_status})) {
6607: $sectioncount{$section}++;
6608: }
6609: }
1.233 raeburn 6610: }
1.366 albertel 6611: return %sectioncount;
1.233 raeburn 6612: }
6613:
1.274 raeburn 6614: ###############################################
1.294 raeburn 6615:
6616: =pod
1.405 albertel 6617:
6618: =item * &get_course_users()
6619:
1.275 raeburn 6620: Retrieves usernames:domains for users in the specified course
6621: with specific role(s), and access status.
6622:
6623: Incoming parameters:
1.277 albertel 6624: 1. course domain
6625: 2. course number
6626: 3. access status: users must have - either active,
1.275 raeburn 6627: previous, future, or all.
1.277 albertel 6628: 4. reference to array of permissible roles
1.288 raeburn 6629: 5. reference to array of section restrictions (optional)
6630: 6. reference to results object (hash of hashes).
6631: 7. reference to optional userdata hash
1.609 raeburn 6632: 8. reference to optional statushash
1.630 raeburn 6633: 9. flag if privileged users (except those set to unhide in
6634: course settings) should be excluded
1.609 raeburn 6635: Keys of top level results hash are roles.
1.275 raeburn 6636: Keys of inner hashes are username:domain, with
6637: values set to access type.
1.288 raeburn 6638: Optional userdata hash returns an array with arguments in the
6639: same order as loncoursedata::get_classlist() for student data.
6640:
1.609 raeburn 6641: Optional statushash returns
6642:
1.288 raeburn 6643: Entries for end, start, section and status are blank because
6644: of the possibility of multiple values for non-student roles.
6645:
1.275 raeburn 6646: =cut
1.405 albertel 6647:
1.275 raeburn 6648: ###############################################
1.405 albertel 6649:
1.275 raeburn 6650: sub get_course_users {
1.630 raeburn 6651: my ($cdom,$cnum,$types,$roles,$sections,$users,$userdata,$statushash,$hidepriv) = @_;
1.288 raeburn 6652: my %idx = ();
1.419 raeburn 6653: my %seclists;
1.288 raeburn 6654:
6655: $idx{udom} = &Apache::loncoursedata::CL_SDOM();
6656: $idx{uname} = &Apache::loncoursedata::CL_SNAME();
6657: $idx{end} = &Apache::loncoursedata::CL_END();
6658: $idx{start} = &Apache::loncoursedata::CL_START();
6659: $idx{id} = &Apache::loncoursedata::CL_ID();
6660: $idx{section} = &Apache::loncoursedata::CL_SECTION();
6661: $idx{fullname} = &Apache::loncoursedata::CL_FULLNAME();
6662: $idx{status} = &Apache::loncoursedata::CL_STATUS();
6663:
1.290 albertel 6664: if (grep(/^st$/,@{$roles})) {
1.276 albertel 6665: my ($classlist,$keylist)=&Apache::loncoursedata::get_classlist($cdom,$cnum);
1.278 raeburn 6666: my $now = time;
1.277 albertel 6667: foreach my $student (keys(%{$classlist})) {
1.288 raeburn 6668: my $match = 0;
1.412 raeburn 6669: my $secmatch = 0;
1.419 raeburn 6670: my $section = $$classlist{$student}[$idx{section}];
1.609 raeburn 6671: my $status = $$classlist{$student}[$idx{status}];
1.419 raeburn 6672: if ($section eq '') {
6673: $section = 'none';
6674: }
1.291 albertel 6675: if ((ref($sections) eq 'ARRAY') && (@{$sections} > 0)) {
1.420 albertel 6676: if (grep(/^all$/,@{$sections})) {
1.412 raeburn 6677: $secmatch = 1;
6678: } elsif ($$classlist{$student}[$idx{section}] eq '') {
1.420 albertel 6679: if (grep(/^none$/,@{$sections})) {
1.412 raeburn 6680: $secmatch = 1;
6681: }
6682: } else {
1.419 raeburn 6683: if (grep(/^\Q$section\E$/,@{$sections})) {
1.412 raeburn 6684: $secmatch = 1;
6685: }
1.290 albertel 6686: }
1.412 raeburn 6687: if (!$secmatch) {
6688: next;
6689: }
1.419 raeburn 6690: }
1.275 raeburn 6691: if (defined($$types{'active'})) {
1.288 raeburn 6692: if ($$classlist{$student}[$idx{status}] eq 'Active') {
1.275 raeburn 6693: push(@{$$users{st}{$student}},'active');
1.288 raeburn 6694: $match = 1;
1.275 raeburn 6695: }
6696: }
6697: if (defined($$types{'previous'})) {
1.609 raeburn 6698: if ($$classlist{$student}[$idx{status}] eq 'Expired') {
1.275 raeburn 6699: push(@{$$users{st}{$student}},'previous');
1.288 raeburn 6700: $match = 1;
1.275 raeburn 6701: }
6702: }
6703: if (defined($$types{'future'})) {
1.609 raeburn 6704: if ($$classlist{$student}[$idx{status}] eq 'Future') {
1.275 raeburn 6705: push(@{$$users{st}{$student}},'future');
1.288 raeburn 6706: $match = 1;
1.275 raeburn 6707: }
6708: }
1.609 raeburn 6709: if ($match) {
6710: push(@{$seclists{$student}},$section);
6711: if (ref($userdata) eq 'HASH') {
6712: $$userdata{$student} = $$classlist{$student};
6713: }
6714: if (ref($statushash) eq 'HASH') {
6715: $statushash->{$student}{'st'}{$section} = $status;
6716: }
1.288 raeburn 6717: }
1.275 raeburn 6718: }
6719: }
1.412 raeburn 6720: if ((@{$roles} > 1) || ((@{$roles} == 1) && ($$roles[0] ne "st"))) {
1.439 raeburn 6721: my %coursepersonnel = &Apache::lonnet::dump('nohist_userroles',$cdom,$cnum);
6722: my $now = time;
1.609 raeburn 6723: my %displaystatus = ( previous => 'Expired',
6724: active => 'Active',
6725: future => 'Future',
6726: );
1.630 raeburn 6727: my %nothide;
6728: if ($hidepriv) {
6729: my %coursehash=&Apache::lonnet::coursedescription($cdom.'_'.$cnum);
6730: foreach my $user (split(/\s*\,\s*/,$coursehash{'nothideprivileged'})) {
6731: if ($user !~ /:/) {
6732: $nothide{join(':',split(/[\@]/,$user))}=1;
6733: } else {
6734: $nothide{$user} = 1;
6735: }
6736: }
6737: }
1.439 raeburn 6738: foreach my $person (sort(keys(%coursepersonnel))) {
1.288 raeburn 6739: my $match = 0;
1.412 raeburn 6740: my $secmatch = 0;
1.439 raeburn 6741: my $status;
1.412 raeburn 6742: my ($role,$user,$usec) = ($person =~ /^([^:]*):([^:]+:[^:]+):([^:]*)/);
1.275 raeburn 6743: $user =~ s/:$//;
1.439 raeburn 6744: my ($end,$start) = split(/:/,$coursepersonnel{$person});
6745: if ($end == -1 || $start == -1) {
6746: next;
6747: }
6748: if (($role) && ((grep(/^\Q$role\E$/,@{$roles})) ||
6749: (grep(/^cr$/,@{$roles}) && $role =~ /^cr\//))) {
1.412 raeburn 6750: my ($uname,$udom) = split(/:/,$user);
6751: if ((ref($sections) eq 'ARRAY') && (@{$sections} > 0)) {
1.420 albertel 6752: if (grep(/^all$/,@{$sections})) {
1.412 raeburn 6753: $secmatch = 1;
6754: } elsif ($usec eq '') {
1.420 albertel 6755: if (grep(/^none$/,@{$sections})) {
1.412 raeburn 6756: $secmatch = 1;
6757: }
6758: } else {
6759: if (grep(/^\Q$usec\E$/,@{$sections})) {
6760: $secmatch = 1;
6761: }
6762: }
6763: if (!$secmatch) {
6764: next;
6765: }
1.288 raeburn 6766: }
1.419 raeburn 6767: if ($usec eq '') {
6768: $usec = 'none';
6769: }
1.275 raeburn 6770: if ($uname ne '' && $udom ne '') {
1.630 raeburn 6771: if ($hidepriv) {
6772: if ((&Apache::lonnet::privileged($uname,$udom)) &&
6773: (!$nothide{$uname.':'.$udom})) {
6774: next;
6775: }
6776: }
1.503 raeburn 6777: if ($end > 0 && $end < $now) {
1.439 raeburn 6778: $status = 'previous';
6779: } elsif ($start > $now) {
6780: $status = 'future';
6781: } else {
6782: $status = 'active';
6783: }
1.277 albertel 6784: foreach my $type (keys(%{$types})) {
1.275 raeburn 6785: if ($status eq $type) {
1.420 albertel 6786: if (!grep(/^\Q$type\E$/,@{$$users{$role}{$user}})) {
1.419 raeburn 6787: push(@{$$users{$role}{$user}},$type);
6788: }
1.288 raeburn 6789: $match = 1;
6790: }
6791: }
1.419 raeburn 6792: if (($match) && (ref($userdata) eq 'HASH')) {
6793: if (!exists($$userdata{$uname.':'.$udom})) {
6794: &get_user_info($udom,$uname,\%idx,$userdata);
6795: }
1.420 albertel 6796: if (!grep(/^\Q$usec\E$/,@{$seclists{$uname.':'.$udom}})) {
1.419 raeburn 6797: push(@{$seclists{$uname.':'.$udom}},$usec);
6798: }
1.609 raeburn 6799: if (ref($statushash) eq 'HASH') {
6800: $statushash->{$uname.':'.$udom}{$role}{$usec} = $displaystatus{$status};
6801: }
1.275 raeburn 6802: }
6803: }
6804: }
6805: }
1.290 albertel 6806: if (grep(/^ow$/,@{$roles})) {
1.279 raeburn 6807: if ((defined($cdom)) && (defined($cnum))) {
6808: my %csettings = &Apache::lonnet::get('environment',['internal.courseowner'],$cdom,$cnum);
6809: if ( defined($csettings{'internal.courseowner'}) ) {
6810: my $owner = $csettings{'internal.courseowner'};
1.609 raeburn 6811: next if ($owner eq '');
6812: my ($ownername,$ownerdom);
6813: if ($owner =~ /^([^:]+):([^:]+)$/) {
6814: $ownername = $1;
6815: $ownerdom = $2;
6816: } else {
6817: $ownername = $owner;
6818: $ownerdom = $cdom;
6819: $owner = $ownername.':'.$ownerdom;
1.439 raeburn 6820: }
6821: @{$$users{'ow'}{$owner}} = 'any';
1.290 albertel 6822: if (defined($userdata) &&
1.609 raeburn 6823: !exists($$userdata{$owner})) {
6824: &get_user_info($ownerdom,$ownername,\%idx,$userdata);
6825: if (!grep(/^none$/,@{$seclists{$owner}})) {
6826: push(@{$seclists{$owner}},'none');
6827: }
6828: if (ref($statushash) eq 'HASH') {
6829: $statushash->{$owner}{'ow'}{'none'} = 'Any';
1.419 raeburn 6830: }
1.290 albertel 6831: }
1.279 raeburn 6832: }
6833: }
6834: }
1.419 raeburn 6835: foreach my $user (keys(%seclists)) {
6836: @{$seclists{$user}} = (sort {$a <=> $b} @{$seclists{$user}});
6837: $$userdata{$user}[$idx{section}] = join(',',@{$seclists{$user}});
6838: }
1.275 raeburn 6839: }
6840: return;
6841: }
6842:
1.288 raeburn 6843: sub get_user_info {
6844: my ($udom,$uname,$idx,$userdata) = @_;
1.289 albertel 6845: $$userdata{$uname.':'.$udom}[$$idx{fullname}] =
6846: &plainname($uname,$udom,'lastname');
1.291 albertel 6847: $$userdata{$uname.':'.$udom}[$$idx{uname}] = $uname;
1.297 raeburn 6848: $$userdata{$uname.':'.$udom}[$$idx{udom}] = $udom;
1.609 raeburn 6849: my %idhash = &Apache::lonnet::idrget($udom,($uname));
6850: $$userdata{$uname.':'.$udom}[$$idx{id}] = $idhash{$uname};
1.288 raeburn 6851: return;
6852: }
1.275 raeburn 6853:
1.472 raeburn 6854: ###############################################
6855:
6856: =pod
6857:
6858: =item * &get_user_quota()
6859:
6860: Retrieves quota assigned for storage of portfolio files for a user
6861:
6862: Incoming parameters:
6863: 1. user's username
6864: 2. user's domain
6865:
6866: Returns:
1.536 raeburn 6867: 1. Disk quota (in Mb) assigned to student.
6868: 2. (Optional) Type of setting: custom or default
6869: (individually assigned or default for user's
6870: institutional status).
6871: 3. (Optional) - User's institutional status (e.g., faculty, staff
6872: or student - types as defined in localenroll::inst_usertypes
6873: for user's domain, which determines default quota for user.
6874: 4. (Optional) - Default quota which would apply to the user.
1.472 raeburn 6875:
6876: If a value has been stored in the user's environment,
1.536 raeburn 6877: it will return that, otherwise it returns the maximal default
6878: defined for the user's instituional status(es) in the domain.
1.472 raeburn 6879:
6880: =cut
6881:
6882: ###############################################
6883:
6884:
6885: sub get_user_quota {
6886: my ($uname,$udom) = @_;
1.536 raeburn 6887: my ($quota,$quotatype,$settingstatus,$defquota);
1.472 raeburn 6888: if (!defined($udom)) {
6889: $udom = $env{'user.domain'};
6890: }
6891: if (!defined($uname)) {
6892: $uname = $env{'user.name'};
6893: }
6894: if (($udom eq '' || $uname eq '') ||
6895: ($udom eq 'public') && ($uname eq 'public')) {
6896: $quota = 0;
1.536 raeburn 6897: $quotatype = 'default';
6898: $defquota = 0;
1.472 raeburn 6899: } else {
1.536 raeburn 6900: my $inststatus;
1.472 raeburn 6901: if ($udom eq $env{'user.domain'} && $uname eq $env{'user.name'}) {
6902: $quota = $env{'environment.portfolioquota'};
1.536 raeburn 6903: $inststatus = $env{'environment.inststatus'};
1.472 raeburn 6904: } else {
1.536 raeburn 6905: my %userenv =
6906: &Apache::lonnet::get('environment',['portfolioquota',
6907: 'inststatus'],$udom,$uname);
1.472 raeburn 6908: my ($tmp) = keys(%userenv);
6909: if ($tmp !~ /^(con_lost|error|no_such_host)/i) {
6910: $quota = $userenv{'portfolioquota'};
1.536 raeburn 6911: $inststatus = $userenv{'inststatus'};
1.472 raeburn 6912: } else {
6913: undef(%userenv);
6914: }
6915: }
1.536 raeburn 6916: ($defquota,$settingstatus) = &default_quota($udom,$inststatus);
1.472 raeburn 6917: if ($quota eq '') {
1.536 raeburn 6918: $quota = $defquota;
6919: $quotatype = 'default';
6920: } else {
6921: $quotatype = 'custom';
1.472 raeburn 6922: }
6923: }
1.536 raeburn 6924: if (wantarray) {
6925: return ($quota,$quotatype,$settingstatus,$defquota);
6926: } else {
6927: return $quota;
6928: }
1.472 raeburn 6929: }
6930:
6931: ###############################################
6932:
6933: =pod
6934:
6935: =item * &default_quota()
6936:
1.536 raeburn 6937: Retrieves default quota assigned for storage of user portfolio files,
6938: given an (optional) user's institutional status.
1.472 raeburn 6939:
6940: Incoming parameters:
6941: 1. domain
1.536 raeburn 6942: 2. (Optional) institutional status(es). This is a : separated list of
6943: status types (e.g., faculty, staff, student etc.)
6944: which apply to the user for whom the default is being retrieved.
6945: If the institutional status string in undefined, the domain
6946: default quota will be returned.
1.472 raeburn 6947:
6948: Returns:
6949: 1. Default disk quota (in Mb) for user portfolios in the domain.
1.536 raeburn 6950: 2. (Optional) institutional type which determined the value of the
6951: default quota.
1.472 raeburn 6952:
6953: If a value has been stored in the domain's configuration db,
6954: it will return that, otherwise it returns 20 (for backwards
6955: compatibility with domains which have not set up a configuration
6956: db file; the original statically defined portfolio quota was 20 Mb).
6957:
1.536 raeburn 6958: If the user's status includes multiple types (e.g., staff and student),
6959: the largest default quota which applies to the user determines the
6960: default quota returned.
6961:
1.472 raeburn 6962: =cut
6963:
6964: ###############################################
6965:
6966:
6967: sub default_quota {
1.536 raeburn 6968: my ($udom,$inststatus) = @_;
6969: my ($defquota,$settingstatus);
6970: my %quotahash = &Apache::lonnet::get_dom('configuration',
1.622 raeburn 6971: ['quotas'],$udom);
6972: if (ref($quotahash{'quotas'}) eq 'HASH') {
1.536 raeburn 6973: if ($inststatus ne '') {
1.765 raeburn 6974: my @statuses = map { &unescape($_); } split(/:/,$inststatus);
1.536 raeburn 6975: foreach my $item (@statuses) {
1.711 raeburn 6976: if (ref($quotahash{'quotas'}{'defaultquota'}) eq 'HASH') {
6977: if ($quotahash{'quotas'}{'defaultquota'}{$item} ne '') {
6978: if ($defquota eq '') {
6979: $defquota = $quotahash{'quotas'}{'defaultquota'}{$item};
6980: $settingstatus = $item;
6981: } elsif ($quotahash{'quotas'}{'defaultquota'}{$item} > $defquota) {
6982: $defquota = $quotahash{'quotas'}{'defaultquota'}{$item};
6983: $settingstatus = $item;
6984: }
6985: }
6986: } else {
6987: if ($quotahash{'quotas'}{$item} ne '') {
6988: if ($defquota eq '') {
6989: $defquota = $quotahash{'quotas'}{$item};
6990: $settingstatus = $item;
6991: } elsif ($quotahash{'quotas'}{$item} > $defquota) {
6992: $defquota = $quotahash{'quotas'}{$item};
6993: $settingstatus = $item;
6994: }
1.536 raeburn 6995: }
6996: }
6997: }
6998: }
6999: if ($defquota eq '') {
1.711 raeburn 7000: if (ref($quotahash{'quotas'}{'defaultquota'}) eq 'HASH') {
7001: $defquota = $quotahash{'quotas'}{'defaultquota'}{'default'};
7002: } else {
7003: $defquota = $quotahash{'quotas'}{'default'};
7004: }
1.536 raeburn 7005: $settingstatus = 'default';
7006: }
7007: } else {
7008: $settingstatus = 'default';
7009: $defquota = 20;
7010: }
7011: if (wantarray) {
7012: return ($defquota,$settingstatus);
1.472 raeburn 7013: } else {
1.536 raeburn 7014: return $defquota;
1.472 raeburn 7015: }
7016: }
7017:
1.384 raeburn 7018: sub get_secgrprole_info {
7019: my ($cdom,$cnum,$needroles,$type) = @_;
7020: my %sections_count = &get_sections($cdom,$cnum);
7021: my @sections = (sort {$a <=> $b} keys(%sections_count));
7022: my %curr_groups = &Apache::longroup::coursegroups($cdom,$cnum);
7023: my @groups = sort(keys(%curr_groups));
7024: my $allroles = [];
7025: my $rolehash;
7026: my $accesshash = {
7027: active => 'Currently has access',
7028: future => 'Will have future access',
7029: previous => 'Previously had access',
7030: };
7031: if ($needroles) {
7032: $rolehash = {'all' => 'all'};
1.385 albertel 7033: my %user_roles = &Apache::lonnet::dump('nohist_userroles',$cdom,$cnum);
7034: if (&Apache::lonnet::error(%user_roles)) {
7035: undef(%user_roles);
7036: }
7037: foreach my $item (keys(%user_roles)) {
1.384 raeburn 7038: my ($role)=split(/\:/,$item,2);
7039: if ($role eq 'cr') { next; }
7040: if ($role =~ /^cr/) {
7041: $$rolehash{$role} = (split('/',$role))[3];
7042: } else {
7043: $$rolehash{$role} = &Apache::lonnet::plaintext($role,$type);
7044: }
7045: }
7046: foreach my $key (sort(keys(%{$rolehash}))) {
7047: push(@{$allroles},$key);
7048: }
7049: push (@{$allroles},'st');
7050: $$rolehash{'st'} = &Apache::lonnet::plaintext('st',$type);
7051: }
7052: return (\@sections,\@groups,$allroles,$rolehash,$accesshash);
7053: }
7054:
1.555 raeburn 7055: sub user_picker {
1.627 raeburn 7056: my ($dom,$srch,$forcenewuser,$caller,$cancreate,$usertype) = @_;
1.555 raeburn 7057: my $currdom = $dom;
7058: my %curr_selected = (
7059: srchin => 'dom',
1.580 raeburn 7060: srchby => 'lastname',
1.555 raeburn 7061: );
7062: my $srchterm;
1.625 raeburn 7063: if ((ref($srch) eq 'HASH') && ($env{'form.origform'} ne 'crtusername')) {
1.555 raeburn 7064: if ($srch->{'srchby'} ne '') {
7065: $curr_selected{'srchby'} = $srch->{'srchby'};
7066: }
7067: if ($srch->{'srchin'} ne '') {
7068: $curr_selected{'srchin'} = $srch->{'srchin'};
7069: }
7070: if ($srch->{'srchtype'} ne '') {
7071: $curr_selected{'srchtype'} = $srch->{'srchtype'};
7072: }
7073: if ($srch->{'srchdomain'} ne '') {
7074: $currdom = $srch->{'srchdomain'};
7075: }
7076: $srchterm = $srch->{'srchterm'};
7077: }
7078: my %lt=&Apache::lonlocal::texthash(
1.573 raeburn 7079: 'usr' => 'Search criteria',
1.563 raeburn 7080: 'doma' => 'Domain/institution to search',
1.558 albertel 7081: 'uname' => 'username',
7082: 'lastname' => 'last name',
1.555 raeburn 7083: 'lastfirst' => 'last name, first name',
1.558 albertel 7084: 'crs' => 'in this course',
1.576 raeburn 7085: 'dom' => 'in selected LON-CAPA domain',
1.558 albertel 7086: 'alc' => 'all LON-CAPA',
1.573 raeburn 7087: 'instd' => 'in institutional directory for selected domain',
1.558 albertel 7088: 'exact' => 'is',
7089: 'contains' => 'contains',
1.569 raeburn 7090: 'begins' => 'begins with',
1.571 raeburn 7091: 'youm' => "You must include some text to search for.",
7092: 'thte' => "The text you are searching for must contain at least two characters when using a 'begins' type search.",
7093: 'thet' => "The text you are searching for must contain at least three characters when using a 'contains' type search.",
7094: 'yomc' => "You must choose a domain when using an institutional directory search.",
7095: 'ymcd' => "You must choose a domain when using a domain search.",
7096: 'whus' => "When using searching by last,first you must include a comma as separator between last name and first name.",
7097: 'whse' => "When searching by last,first you must include at least one character in the first name.",
7098: 'thfo' => "The following need to be corrected before the search can be run:",
1.555 raeburn 7099: );
1.563 raeburn 7100: my $domform = &select_dom_form($currdom,'srchdomain',1,1);
7101: my $srchinsel = ' <select name="srchin">';
1.555 raeburn 7102:
7103: my @srchins = ('crs','dom','alc','instd');
7104:
7105: foreach my $option (@srchins) {
7106: # FIXME 'alc' option unavailable until
7107: # loncreateuser::print_user_query_page()
7108: # has been completed.
7109: next if ($option eq 'alc');
7110: next if ($option eq 'crs' && !$env{'request.course.id'});
1.563 raeburn 7111: if ($curr_selected{'srchin'} eq $option) {
7112: $srchinsel .= '
7113: <option value="'.$option.'" selected="selected">'.$lt{$option}.'</option>';
7114: } else {
7115: $srchinsel .= '
7116: <option value="'.$option.'">'.$lt{$option}.'</option>';
7117: }
1.555 raeburn 7118: }
1.563 raeburn 7119: $srchinsel .= "\n </select>\n";
1.555 raeburn 7120:
7121: my $srchbysel = ' <select name="srchby">';
1.580 raeburn 7122: foreach my $option ('lastname','lastfirst','uname') {
1.555 raeburn 7123: if ($curr_selected{'srchby'} eq $option) {
7124: $srchbysel .= '
7125: <option value="'.$option.'" selected="selected">'.$lt{$option}.'</option>';
7126: } else {
7127: $srchbysel .= '
7128: <option value="'.$option.'">'.$lt{$option}.'</option>';
7129: }
7130: }
7131: $srchbysel .= "\n </select>\n";
7132:
7133: my $srchtypesel = ' <select name="srchtype">';
1.580 raeburn 7134: foreach my $option ('begins','contains','exact') {
1.555 raeburn 7135: if ($curr_selected{'srchtype'} eq $option) {
7136: $srchtypesel .= '
7137: <option value="'.$option.'" selected="selected">'.$lt{$option}.'</option>';
7138: } else {
7139: $srchtypesel .= '
7140: <option value="'.$option.'">'.$lt{$option}.'</option>';
7141: }
7142: }
7143: $srchtypesel .= "\n </select>\n";
7144:
1.558 albertel 7145: my ($newuserscript,$new_user_create);
1.556 raeburn 7146:
7147: if ($forcenewuser) {
1.576 raeburn 7148: if (ref($srch) eq 'HASH') {
7149: if ($srch->{'srchby'} eq 'uname' && $srch->{'srchtype'} eq 'exact' && $srch->{'srchin'} eq 'dom' && $srch->{'srchdomain'} eq $env{'request.role.domain'}) {
1.627 raeburn 7150: if ($cancreate) {
7151: $new_user_create = '<p> <input type="submit" name="forcenew" value="'.&HTML::Entities::encode(&mt('Make new user "[_1]"',$srchterm),'<>&"').'" onclick="javascript:setSearch(\'1\','.$caller.');" /> </p>';
7152: } else {
7153: my $helplink = ' href="javascript:helpMenu('."'display'".')"';
7154: my %usertypetext = (
7155: official => 'institutional',
7156: unofficial => 'non-institutional',
7157: );
7158: $new_user_create = '<br /><span class="LC_warning">'.&mt("You are not authorized to create new $usertypetext{$usertype} users in this domain.").' '.&mt('Contact the <a[_1]>helpdesk</a> for assistance.',$helplink).'</span><br /><br />';
7159: }
1.576 raeburn 7160: }
7161: }
7162:
1.556 raeburn 7163: $newuserscript = <<"ENDSCRIPT";
7164:
1.570 raeburn 7165: function setSearch(createnew,callingForm) {
1.556 raeburn 7166: if (createnew == 1) {
1.570 raeburn 7167: for (var i=0; i<callingForm.srchby.length; i++) {
7168: if (callingForm.srchby.options[i].value == 'uname') {
7169: callingForm.srchby.selectedIndex = i;
1.556 raeburn 7170: }
7171: }
1.570 raeburn 7172: for (var i=0; i<callingForm.srchin.length; i++) {
7173: if ( callingForm.srchin.options[i].value == 'dom') {
7174: callingForm.srchin.selectedIndex = i;
1.556 raeburn 7175: }
7176: }
1.570 raeburn 7177: for (var i=0; i<callingForm.srchtype.length; i++) {
7178: if (callingForm.srchtype.options[i].value == 'exact') {
7179: callingForm.srchtype.selectedIndex = i;
1.556 raeburn 7180: }
7181: }
1.570 raeburn 7182: for (var i=0; i<callingForm.srchdomain.length; i++) {
7183: if (callingForm.srchdomain.options[i].value == '$env{'request.role.domain'}') {
7184: callingForm.srchdomain.selectedIndex = i;
1.556 raeburn 7185: }
7186: }
7187: }
7188: }
7189: ENDSCRIPT
1.558 albertel 7190:
1.556 raeburn 7191: }
7192:
1.555 raeburn 7193: my $output = <<"END_BLOCK";
1.556 raeburn 7194: <script type="text/javascript">
1.570 raeburn 7195: function validateEntry(callingForm) {
1.558 albertel 7196:
1.556 raeburn 7197: var checkok = 1;
1.558 albertel 7198: var srchin;
1.570 raeburn 7199: for (var i=0; i<callingForm.srchin.length; i++) {
7200: if ( callingForm.srchin[i].checked ) {
7201: srchin = callingForm.srchin[i].value;
1.558 albertel 7202: }
7203: }
7204:
1.570 raeburn 7205: var srchtype = callingForm.srchtype.options[callingForm.srchtype.selectedIndex].value;
7206: var srchby = callingForm.srchby.options[callingForm.srchby.selectedIndex].value;
7207: var srchdomain = callingForm.srchdomain.options[callingForm.srchdomain.selectedIndex].value;
7208: var srchterm = callingForm.srchterm.value;
7209: var srchin = callingForm.srchin.options[callingForm.srchin.selectedIndex].value;
1.556 raeburn 7210: var msg = "";
7211:
7212: if (srchterm == "") {
7213: checkok = 0;
1.571 raeburn 7214: msg += "$lt{'youm'}\\n";
1.556 raeburn 7215: }
7216:
1.569 raeburn 7217: if (srchtype== 'begins') {
7218: if (srchterm.length < 2) {
7219: checkok = 0;
1.571 raeburn 7220: msg += "$lt{'thte'}\\n";
1.569 raeburn 7221: }
7222: }
7223:
1.556 raeburn 7224: if (srchtype== 'contains') {
7225: if (srchterm.length < 3) {
7226: checkok = 0;
1.571 raeburn 7227: msg += "$lt{'thet'}\\n";
1.556 raeburn 7228: }
7229: }
7230: if (srchin == 'instd') {
7231: if (srchdomain == '') {
7232: checkok = 0;
1.571 raeburn 7233: msg += "$lt{'yomc'}\\n";
1.556 raeburn 7234: }
7235: }
7236: if (srchin == 'dom') {
7237: if (srchdomain == '') {
7238: checkok = 0;
1.571 raeburn 7239: msg += "$lt{'ymcd'}\\n";
1.556 raeburn 7240: }
7241: }
7242: if (srchby == 'lastfirst') {
7243: if (srchterm.indexOf(",") == -1) {
7244: checkok = 0;
1.571 raeburn 7245: msg += "$lt{'whus'}\\n";
1.556 raeburn 7246: }
7247: if (srchterm.indexOf(",") == srchterm.length -1) {
7248: checkok = 0;
1.571 raeburn 7249: msg += "$lt{'whse'}\\n";
1.556 raeburn 7250: }
7251: }
7252: if (checkok == 0) {
1.571 raeburn 7253: alert("$lt{'thfo'}\\n"+msg);
1.556 raeburn 7254: return;
7255: }
7256: if (checkok == 1) {
1.570 raeburn 7257: callingForm.submit();
1.556 raeburn 7258: }
7259: }
7260:
7261: $newuserscript
7262:
7263: </script>
1.558 albertel 7264:
7265: $new_user_create
7266:
1.555 raeburn 7267: <table>
1.558 albertel 7268: <tr>
1.573 raeburn 7269: <td>$lt{'doma'}:</td>
7270: <td>$domform</td>
7271: </td>
7272: </tr>
7273: <tr>
7274: <td>$lt{'usr'}:</td>
1.563 raeburn 7275: <td>$srchbysel
7276: $srchtypesel
7277: <input type="text" size="15" name="srchterm" value="$srchterm" />
1.564 albertel 7278: $srchinsel
1.563 raeburn 7279: </td>
7280: </tr>
1.555 raeburn 7281: </table>
7282: <br />
7283: END_BLOCK
1.558 albertel 7284:
1.555 raeburn 7285: return $output;
7286: }
7287:
1.612 raeburn 7288: sub user_rule_check {
1.615 raeburn 7289: my ($usershash,$checks,$alerts,$rulematch,$inst_results,$curr_rules,$got_rules) = @_;
1.612 raeburn 7290: my $response;
7291: if (ref($usershash) eq 'HASH') {
7292: foreach my $user (keys(%{$usershash})) {
7293: my ($uname,$udom) = split(/:/,$user);
7294: next if ($udom eq '' || $uname eq '');
1.615 raeburn 7295: my ($id,$newuser);
1.612 raeburn 7296: if (ref($usershash->{$user}) eq 'HASH') {
1.615 raeburn 7297: $newuser = $usershash->{$user}->{'newuser'};
1.612 raeburn 7298: $id = $usershash->{$user}->{'id'};
7299: }
7300: my $inst_response;
7301: if (ref($checks) eq 'HASH') {
7302: if (defined($checks->{'username'})) {
1.615 raeburn 7303: ($inst_response,%{$inst_results->{$user}}) =
1.612 raeburn 7304: &Apache::lonnet::get_instuser($udom,$uname);
7305: } elsif (defined($checks->{'id'})) {
1.615 raeburn 7306: ($inst_response,%{$inst_results->{$user}}) =
1.612 raeburn 7307: &Apache::lonnet::get_instuser($udom,undef,$id);
7308: }
1.615 raeburn 7309: } else {
7310: ($inst_response,%{$inst_results->{$user}}) =
7311: &Apache::lonnet::get_instuser($udom,$uname);
7312: return;
1.612 raeburn 7313: }
1.615 raeburn 7314: if (!$got_rules->{$udom}) {
1.612 raeburn 7315: my %domconfig = &Apache::lonnet::get_dom('configuration',
7316: ['usercreation'],$udom);
7317: if (ref($domconfig{'usercreation'}) eq 'HASH') {
1.615 raeburn 7318: foreach my $item ('username','id') {
1.612 raeburn 7319: if (ref($domconfig{'usercreation'}{$item.'_rule'}) eq 'ARRAY') {
7320: $$curr_rules{$udom}{$item} =
7321: $domconfig{'usercreation'}{$item.'_rule'};
1.585 raeburn 7322: }
7323: }
7324: }
1.615 raeburn 7325: $got_rules->{$udom} = 1;
1.585 raeburn 7326: }
1.612 raeburn 7327: foreach my $item (keys(%{$checks})) {
7328: if (ref($$curr_rules{$udom}) eq 'HASH') {
7329: if (ref($$curr_rules{$udom}{$item}) eq 'ARRAY') {
7330: if (@{$$curr_rules{$udom}{$item}} > 0) {
7331: my %rule_check = &Apache::lonnet::inst_rulecheck($udom,$uname,$id,$item,$$curr_rules{$udom}{$item});
7332: foreach my $rule (@{$$curr_rules{$udom}{$item}}) {
7333: if ($rule_check{$rule}) {
7334: $$rulematch{$user}{$item} = $rule;
7335: if ($inst_response eq 'ok') {
1.615 raeburn 7336: if (ref($inst_results) eq 'HASH') {
7337: if (ref($inst_results->{$user}) eq 'HASH') {
7338: if (keys(%{$inst_results->{$user}}) == 0) {
7339: $$alerts{$item}{$udom}{$uname} = 1;
7340: }
1.612 raeburn 7341: }
7342: }
1.615 raeburn 7343: }
7344: last;
1.585 raeburn 7345: }
7346: }
7347: }
7348: }
7349: }
7350: }
7351: }
7352: }
1.612 raeburn 7353: return;
7354: }
7355:
7356: sub user_rule_formats {
7357: my ($domain,$domdesc,$curr_rules,$check) = @_;
7358: my %text = (
7359: 'username' => 'Usernames',
7360: 'id' => 'IDs',
7361: );
7362: my $output;
7363: my ($rules,$ruleorder) = &Apache::lonnet::inst_userrules($domain,$check);
7364: if ((ref($rules) eq 'HASH') && (ref($ruleorder) eq 'ARRAY')) {
7365: if (@{$ruleorder} > 0) {
7366: $output = '<br />'.&mt("$text{$check} with the following format(s) may <span class=\"LC_cusr_emph\">only</span> be used for verified users at [_1]:",$domdesc).' <ul>';
7367: foreach my $rule (@{$ruleorder}) {
7368: if (ref($curr_rules) eq 'ARRAY') {
7369: if (grep(/^\Q$rule\E$/,@{$curr_rules})) {
7370: if (ref($rules->{$rule}) eq 'HASH') {
7371: $output .= '<li>'.$rules->{$rule}{'name'}.': '.
7372: $rules->{$rule}{'desc'}.'</li>';
7373: }
7374: }
7375: }
7376: }
7377: $output .= '</ul>';
7378: }
7379: }
7380: return $output;
7381: }
7382:
7383: sub instrule_disallow_msg {
1.615 raeburn 7384: my ($checkitem,$domdesc,$count,$mode) = @_;
1.612 raeburn 7385: my $response;
7386: my %text = (
7387: item => 'username',
7388: items => 'usernames',
7389: match => 'matches',
7390: do => 'does',
7391: action => 'a username',
7392: one => 'one',
7393: );
7394: if ($count > 1) {
7395: $text{'item'} = 'usernames';
7396: $text{'match'} ='match';
7397: $text{'do'} = 'do';
7398: $text{'action'} = 'usernames',
7399: $text{'one'} = 'ones';
7400: }
7401: if ($checkitem eq 'id') {
7402: $text{'items'} = 'IDs';
7403: $text{'item'} = 'ID';
7404: $text{'action'} = 'an ID';
1.615 raeburn 7405: if ($count > 1) {
7406: $text{'item'} = 'IDs';
7407: $text{'action'} = 'IDs';
7408: }
1.612 raeburn 7409: }
1.674 bisitz 7410: $response = &mt("The $text{'item'} you chose $text{'match'} the format of $text{'items'} defined for [_1], but the $text{'item'} $text{'do'} not exist in the institutional directory.",'<span class="LC_cusr_emph">'.$domdesc.'</span>').'<br />';
1.615 raeburn 7411: if ($mode eq 'upload') {
7412: if ($checkitem eq 'username') {
7413: $response .= &mt("You will need to modify your upload file so it will include $text{'action'} with a different format -- $text{'one'} that will not conflict with 'official' institutional $text{'items'}.");
7414: } elsif ($checkitem eq 'id') {
1.674 bisitz 7415: $response .= &mt("Either upload a file which includes $text{'action'} with a different format -- $text{'one'} that will not conflict with 'official' institutional $text{'items'}, or when associating fields with data columns, omit an association for the Student/Employee ID field.");
1.615 raeburn 7416: }
1.669 raeburn 7417: } elsif ($mode eq 'selfcreate') {
7418: if ($checkitem eq 'id') {
7419: $response .= &mt("You must either choose $text{'action'} with a different format -- $text{'one'} that will not conflict with 'official' institutional $text{'items'}, or leave the ID field blank.");
7420: }
1.615 raeburn 7421: } else {
7422: if ($checkitem eq 'username') {
7423: $response .= &mt("You must choose $text{'action'} with a different format -- $text{'one'} that will not conflict with 'official' institutional $text{'items'}.");
7424: } elsif ($checkitem eq 'id') {
7425: $response .= &mt("You must either choose $text{'action'} with a different format -- $text{'one'} that will not conflict with 'official' institutional $text{'items'}, or leave the ID field blank.");
7426: }
1.612 raeburn 7427: }
7428: return $response;
1.585 raeburn 7429: }
7430:
1.624 raeburn 7431: sub personal_data_fieldtitles {
7432: my %fieldtitles = &Apache::lonlocal::texthash (
7433: id => 'Student/Employee ID',
7434: permanentemail => 'E-mail address',
7435: lastname => 'Last Name',
7436: firstname => 'First Name',
7437: middlename => 'Middle Name',
7438: generation => 'Generation',
7439: gen => 'Generation',
1.765 raeburn 7440: inststatus => 'Affiliation',
1.624 raeburn 7441: );
7442: return %fieldtitles;
7443: }
7444:
1.642 raeburn 7445: sub sorted_inst_types {
7446: my ($dom) = @_;
7447: my ($usertypes,$order) = &Apache::lonnet::retrieve_inst_usertypes($dom);
7448: my $othertitle = &mt('All users');
7449: if ($env{'request.course.id'}) {
1.668 raeburn 7450: $othertitle = &mt('Any users');
1.642 raeburn 7451: }
7452: my @types;
7453: if (ref($order) eq 'ARRAY') {
7454: @types = @{$order};
7455: }
7456: if (@types == 0) {
7457: if (ref($usertypes) eq 'HASH') {
7458: @types = sort(keys(%{$usertypes}));
7459: }
7460: }
7461: if (keys(%{$usertypes}) > 0) {
7462: $othertitle = &mt('Other users');
7463: }
7464: return ($othertitle,$usertypes,\@types);
7465: }
7466:
1.645 raeburn 7467: sub get_institutional_codes {
7468: my ($settings,$allcourses,$LC_code) = @_;
7469: # Get complete list of course sections to update
7470: my @currsections = ();
7471: my @currxlists = ();
7472: my $coursecode = $$settings{'internal.coursecode'};
7473:
7474: if ($$settings{'internal.sectionnums'} ne '') {
7475: @currsections = split(/,/,$$settings{'internal.sectionnums'});
7476: }
7477:
7478: if ($$settings{'internal.crosslistings'} ne '') {
7479: @currxlists = split(/,/,$$settings{'internal.crosslistings'});
7480: }
7481:
7482: if (@currxlists > 0) {
7483: foreach (@currxlists) {
7484: if (m/^([^:]+):(\w*)$/) {
7485: unless (grep/^$1$/,@{$allcourses}) {
7486: push @{$allcourses},$1;
7487: $$LC_code{$1} = $2;
7488: }
7489: }
7490: }
7491: }
7492:
7493: if (@currsections > 0) {
7494: foreach (@currsections) {
7495: if (m/^(\w+):(\w*)$/) {
7496: my $sec = $coursecode.$1;
7497: my $lc_sec = $2;
7498: unless (grep/^$sec$/,@{$allcourses}) {
7499: push @{$allcourses},$sec;
7500: $$LC_code{$sec} = $lc_sec;
7501: }
7502: }
7503: }
7504: }
7505: return;
7506: }
7507:
1.112 bowersj2 7508: =pod
7509:
1.549 albertel 7510: =back
7511:
7512: =head1 HTTP Helpers
7513:
7514: =over 4
7515:
1.648 raeburn 7516: =item * &get_unprocessed_cgi($query,$possible_names)
1.112 bowersj2 7517:
1.258 albertel 7518: Modify the %env hash to contain unprocessed CGI form parameters held in
1.112 bowersj2 7519: $query. The parameters listed in $possible_names (an array reference),
1.258 albertel 7520: will be set in $env{'form.name'} if they do not already exist.
1.112 bowersj2 7521:
7522: Typically called with $ENV{'QUERY_STRING'} as the first parameter.
7523: $possible_names is an ref to an array of form element names. As an example:
7524: get_unprocessed_cgi($ENV{'QUERY_STRING'},['uname','udom']);
1.258 albertel 7525: will result in $env{'form.uname'} and $env{'form.udom'} being set.
1.112 bowersj2 7526:
7527: =cut
1.1 albertel 7528:
1.6 albertel 7529: sub get_unprocessed_cgi {
1.25 albertel 7530: my ($query,$possible_names)= @_;
1.26 matthew 7531: # $Apache::lonxml::debug=1;
1.356 albertel 7532: foreach my $pair (split(/&/,$query)) {
7533: my ($name, $value) = split(/=/,$pair);
1.369 www 7534: $name = &unescape($name);
1.25 albertel 7535: if (!defined($possible_names) || (grep {$_ eq $name} @$possible_names)) {
7536: $value =~ tr/+/ /;
7537: $value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg;
1.258 albertel 7538: unless (defined($env{'form.'.$name})) { &add_to_env('form.'.$name,$value) };
1.25 albertel 7539: }
1.16 harris41 7540: }
1.6 albertel 7541: }
7542:
1.112 bowersj2 7543: =pod
7544:
1.648 raeburn 7545: =item * &cacheheader()
1.112 bowersj2 7546:
7547: returns cache-controlling header code
7548:
7549: =cut
7550:
1.7 albertel 7551: sub cacheheader {
1.258 albertel 7552: unless ($env{'request.method'} eq 'GET') { return ''; }
1.216 albertel 7553: my $date=strftime("%a, %d %b %Y %H:%M:%S GMT",gmtime);
7554: my $output .='<meta HTTP-EQUIV="Expires" CONTENT="'.$date.'" />
1.7 albertel 7555: <meta HTTP-EQUIV="Cache-control" CONTENT="no-cache" />
7556: <meta HTTP-EQUIV="Pragma" CONTENT="no-cache" />';
1.216 albertel 7557: return $output;
1.7 albertel 7558: }
7559:
1.112 bowersj2 7560: =pod
7561:
1.648 raeburn 7562: =item * &no_cache($r)
1.112 bowersj2 7563:
7564: specifies header code to not have cache
7565:
7566: =cut
7567:
1.9 albertel 7568: sub no_cache {
1.216 albertel 7569: my ($r) = @_;
7570: if ($ENV{'REQUEST_METHOD'} ne 'GET' &&
1.258 albertel 7571: $env{'request.method'} ne 'GET') { return ''; }
1.216 albertel 7572: my $date=strftime("%a, %d %b %Y %H:%M:%S GMT",gmtime(time));
7573: $r->no_cache(1);
7574: $r->header_out("Expires" => $date);
7575: $r->header_out("Pragma" => "no-cache");
1.123 www 7576: }
7577:
7578: sub content_type {
1.181 albertel 7579: my ($r,$type,$charset) = @_;
1.299 foxr 7580: if ($r) {
7581: # Note that printout.pl calls this with undef for $r.
7582: &no_cache($r);
7583: }
1.258 albertel 7584: if ($env{'browser.mathml'} && $type eq 'text/html') { $type='text/xml'; }
1.181 albertel 7585: unless ($charset) {
7586: $charset=&Apache::lonlocal::current_encoding;
7587: }
7588: if ($charset) { $type.='; charset='.$charset; }
7589: if ($r) {
7590: $r->content_type($type);
7591: } else {
7592: print("Content-type: $type\n\n");
7593: }
1.9 albertel 7594: }
1.25 albertel 7595:
1.112 bowersj2 7596: =pod
7597:
1.648 raeburn 7598: =item * &add_to_env($name,$value)
1.112 bowersj2 7599:
1.258 albertel 7600: adds $name to the %env hash with value
1.112 bowersj2 7601: $value, if $name already exists, the entry is converted to an array
7602: reference and $value is added to the array.
7603:
7604: =cut
7605:
1.25 albertel 7606: sub add_to_env {
7607: my ($name,$value)=@_;
1.258 albertel 7608: if (defined($env{$name})) {
7609: if (ref($env{$name})) {
1.25 albertel 7610: #already have multiple values
1.258 albertel 7611: push(@{ $env{$name} },$value);
1.25 albertel 7612: } else {
7613: #first time seeing multiple values, convert hash entry to an arrayref
1.258 albertel 7614: my $first=$env{$name};
7615: undef($env{$name});
7616: push(@{ $env{$name} },$first,$value);
1.25 albertel 7617: }
7618: } else {
1.258 albertel 7619: $env{$name}=$value;
1.25 albertel 7620: }
1.31 albertel 7621: }
1.149 albertel 7622:
7623: =pod
7624:
1.648 raeburn 7625: =item * &get_env_multiple($name)
1.149 albertel 7626:
1.258 albertel 7627: gets $name from the %env hash, it seemlessly handles the cases where multiple
1.149 albertel 7628: values may be defined and end up as an array ref.
7629:
7630: returns an array of values
7631:
7632: =cut
7633:
7634: sub get_env_multiple {
7635: my ($name) = @_;
7636: my @values;
1.258 albertel 7637: if (defined($env{$name})) {
1.149 albertel 7638: # exists is it an array
1.258 albertel 7639: if (ref($env{$name})) {
7640: @values=@{ $env{$name} };
1.149 albertel 7641: } else {
1.258 albertel 7642: $values[0]=$env{$name};
1.149 albertel 7643: }
7644: }
7645: return(@values);
7646: }
7647:
1.660 raeburn 7648: sub ask_for_embedded_content {
7649: my ($actionurl,$state,$allfiles,$codebase,$args)=@_;
7650: my $upload_output = '
7651: <form name="upload_embedded" action="'.$actionurl.'"
7652: method="post" enctype="multipart/form-data">';
7653: $upload_output .= $state;
1.661 raeburn 7654: $upload_output .= '<b>Upload embedded files</b>:<br />'.&start_data_table();
1.660 raeburn 7655:
7656: my $num = 0;
7657: foreach my $embed_file (sort {lc($a) cmp lc($b)} keys(%{$allfiles})) {
7658: $upload_output .= &start_data_table_row().
7659: '<td>'.$embed_file.'</td><td>';
7660: if ($args->{'ignore_remote_references'}
7661: && $embed_file =~ m{^\w+://}) {
7662: $upload_output.='<span class="LC_warning">'.&mt("URL points to other server.").'</span>';
7663: } elsif ($args->{'error_on_invalid_names'}
7664: && $embed_file ne &Apache::lonnet::clean_filename($embed_file,{'keep_path' => 1,})) {
7665:
7666: $upload_output.='<span class="LC_warning">'.&mt("Invalid characters").'</span>';
7667:
7668: } else {
7669: $upload_output .='
1.661 raeburn 7670: <input name="embedded_item_'.$num.'" type="file" value="" />
1.660 raeburn 7671: <input name="embedded_orig_'.$num.'" type="hidden" value="'.&escape($embed_file).'" />';
7672: my $attrib = join(':',@{$$allfiles{$embed_file}});
7673: $upload_output .=
7674: "\n\t\t".
7675: '<input name="embedded_attrib_'.$num.'" type="hidden" value="'.
7676: $attrib.'" />';
7677: if (exists($$codebase{$embed_file})) {
7678: $upload_output .=
7679: "\n\t\t".
7680: '<input name="codebase_'.$num.'" type="hidden" value="'.
7681: &escape($$codebase{$embed_file}).'" />';
7682: }
7683: }
7684: $upload_output .= '</td>'.&Apache::loncommon::end_data_table_row();
7685: $num++;
7686: }
7687: $upload_output .= &Apache::loncommon::end_data_table().'<br />
7688: <input type ="hidden" name="number_embedded_items" value="'.$num.'" />
7689: <input type ="submit" value="'.&mt('Upload Listed Files').'" />
7690: '.&mt('(only files for which a location has been provided will be uploaded)').'
7691: </form>';
7692: return $upload_output;
7693: }
7694:
1.661 raeburn 7695: sub upload_embedded {
7696: my ($context,$dirpath,$uname,$udom,$dir_root,$url_root,$group,$disk_quota,
7697: $current_disk_usage) = @_;
7698: my $output;
7699: for (my $i=0; $i<$env{'form.number_embedded_items'}; $i++) {
7700: next if (!exists($env{'form.embedded_item_'.$i.'.filename'}));
7701: my $orig_uploaded_filename =
7702: $env{'form.embedded_item_'.$i.'.filename'};
7703:
7704: $env{'form.embedded_orig_'.$i} =
7705: &unescape($env{'form.embedded_orig_'.$i});
7706: my ($path,$fname) =
7707: ($env{'form.embedded_orig_'.$i} =~ m{(.*/)([^/]*)});
7708: # no path, whole string is fname
7709: if (!$fname) { $fname = $env{'form.embedded_orig_'.$i} };
7710:
7711: $path = $env{'form.currentpath'}.$path;
7712: $fname = &Apache::lonnet::clean_filename($fname);
7713: # See if there is anything left
7714: next if ($fname eq '');
7715:
7716: # Check if file already exists as a file or directory.
7717: my ($state,$msg);
7718: if ($context eq 'portfolio') {
7719: my $port_path = $dirpath;
7720: if ($group ne '') {
7721: $port_path = "groups/$group/$port_path";
7722: }
7723: ($state,$msg) = &check_for_upload($path,$fname,$group,'embedded_item_'.$i,
7724: $dir_root,$port_path,$disk_quota,
7725: $current_disk_usage,$uname,$udom);
7726: if ($state eq 'will_exceed_quota'
7727: || $state eq 'file_locked'
7728: || $state eq 'file_exists' ) {
7729: $output .= $msg;
7730: next;
7731: }
7732: } elsif (($context eq 'author') || ($context eq 'testbank')) {
7733: ($state,$msg) = &check_for_existing($path,$fname,'embedded_item_'.$i);
7734: if ($state eq 'exists') {
7735: $output .= $msg;
7736: next;
7737: }
7738: }
7739: # Check if extension is valid
7740: if (($fname =~ /\.(\w+)$/) &&
7741: (&Apache::loncommon::fileembstyle($1) eq 'hdn')) {
7742: $output .= &mt('Invalid file extension ([_1]) - reserved for LONCAPA use - rename the file with a different extension and re-upload. ',$1);
7743: next;
7744: } elsif (($fname =~ /\.(\w+)$/) &&
7745: (!defined(&Apache::loncommon::fileembstyle($1)))) {
7746: $output .= &mt('Unrecognized file extension ([_1]) - rename the file with a proper extension and re-upload.',$1);
7747: next;
7748: } elsif ($fname=~/\.(\d+)\.(\w+)$/) {
7749: $output .= &mt('File name not allowed - rename the file to remove the number immediately before the file extension([_1]) and re-upload.',$2);
7750: next;
7751: }
7752:
7753: $env{'form.embedded_item_'.$i.'.filename'}=$fname;
7754: if ($context eq 'portfolio') {
7755: my $result=
7756: &Apache::lonnet::userfileupload('embedded_item_'.$i,'',
7757: $dirpath.$path);
7758: if ($result !~ m|^/uploaded/|) {
7759: $output .= '<span class="LC_error">'
7760: .&mt('An error occurred ([_1]) while trying to upload [_2] for embedded element [_3].'
7761: ,$result,$orig_uploaded_filename,$env{'form.embedded_orig_'.$i})
7762: .'</span><br />';
7763: next;
7764: } else {
7765: $output .= '<p>'.&mt('Uploaded [_1]','<span class="LC_filename">'.
7766: $path.$fname.'</span>').'</p>';
7767: }
7768: } else {
7769: # Save the file
7770: my $target = $env{'form.embedded_item_'.$i};
7771: my $fullpath = $dir_root.$dirpath.'/'.$path;
7772: my $dest = $fullpath.$fname;
7773: my $url = $url_root.$dirpath.'/'.$path.$fname;
7774: my @parts=split(/\//,$fullpath);
7775: my $count;
7776: my $filepath = $dir_root;
7777: for ($count=4;$count<=$#parts;$count++) {
7778: $filepath .= "/$parts[$count]";
7779: if ((-e $filepath)!=1) {
7780: mkdir($filepath,0770);
7781: }
7782: }
7783: my $fh;
7784: if (!open($fh,'>'.$dest)) {
7785: &Apache::lonnet::logthis('Failed to create '.$dest);
7786: $output .= '<span class="LC_error">'.
7787: &mt('An error occurred while trying to upload [_1] for embedded element [_2].',$orig_uploaded_filename,$env{'form.embedded_orig_'.$i}).
7788: '</span><br />';
7789: } else {
7790: if (!print $fh $env{'form.embedded_item_'.$i}) {
7791: &Apache::lonnet::logthis('Failed to write to '.$dest);
7792: $output .= '<span class="LC_error">'.
7793: &mt('An error occurred while writing the file [_1] for embedded element [_2].',$orig_uploaded_filename,$env{'form.embedded_orig_'.$i}).
7794: '</span><br />';
7795: } else {
7796: if ($context eq 'testbank') {
7797: $output .= &mt('Embedded file uploaded successfully:').
7798: ' <a href="'.$url.'">'.
7799: $orig_uploaded_filename.'</a><br />';
7800: } else {
1.705 tempelho 7801: $output .= '<span class=\"LC_fontsize_large\">'.
1.661 raeburn 7802: &mt('View embedded file: [_1]','<a href="'.$url.'">'.
1.705 tempelho 7803: $orig_uploaded_filename.'</a>').'</span><br />';
1.661 raeburn 7804: }
7805: }
7806: close($fh);
7807: }
7808: }
7809: }
7810: return $output;
7811: }
7812:
7813: sub check_for_existing {
7814: my ($path,$fname,$element) = @_;
7815: my ($state,$msg);
7816: if (-d $path.'/'.$fname) {
7817: $state = 'exists';
7818: $msg = &mt('Unable to upload [_1]. A directory by that name was found in [_2].','<span class="LC_filename">'.$fname.'</span>',$path);
7819: } elsif (-e $path.'/'.$fname) {
7820: $state = 'exists';
7821: $msg = &mt('Unable to upload [_1]. A file by that name was found in [_2].','<span class="LC_filename">'.$fname.'</span>',$path);
7822: }
7823: if ($state eq 'exists') {
7824: $msg = '<span class="LC_error">'.$msg.'</span><br />';
7825: }
7826: return ($state,$msg);
7827: }
7828:
7829: sub check_for_upload {
7830: my ($path,$fname,$group,$element,$portfolio_root,$port_path,
7831: $disk_quota,$current_disk_usage,$uname,$udom) = @_;
7832: my $filesize = (length($env{'form.'.$element})) / 1000; #express in k (1024?)
7833: my $getpropath = 1;
7834: my @dir_list = &Apache::lonnet::dirlist($portfolio_root.$path,$udom,$uname,
7835: $getpropath);
7836: my $found_file = 0;
7837: my $locked_file = 0;
7838: foreach my $line (@dir_list) {
7839: my ($file_name)=split(/\&/,$line,2);
7840: if ($file_name eq $fname){
7841: $file_name = $path.$file_name;
7842: if ($group ne '') {
7843: $file_name = $group.$file_name;
7844: }
7845: $found_file = 1;
7846: if (&Apache::lonnet::is_locked($file_name,$udom,$uname) eq 'true') {
7847: $locked_file = 1;
7848: }
7849: }
7850: }
7851: if (($current_disk_usage + $filesize) > $disk_quota){
7852: my $msg = '<span class="LC_error">'.
7853: &mt('Unable to upload [_1]. (size = [_2] kilobytes). Disk quota will be exceeded.','<span class="LC_filename">'.$fname.'</span>',$filesize).'</span>'.
7854: '<br />'.&mt('Disk quota is [_1] kilobytes. Your current disk usage is [_2] kilobytes.',$disk_quota,$current_disk_usage);
7855: return ('will_exceed_quota',$msg);
7856: } elsif ($found_file) {
7857: if ($locked_file) {
7858: my $msg = '<span class="LC_error">';
7859: $msg .= &mt('Unable to upload [_1]. A locked file by that name was found in [_2].','<span class="LC_filename">'.$fname.'</span>','<span class="LC_filename">'.$port_path.$env{'form.currentpath'}.'</span>');
7860: $msg .= '</span><br />';
7861: $msg .= &mt('You will be able to rename or delete existing [_1] after a grade has been assigned.','<span class="LC_filename">'.$fname.'</span>');
7862: return ('file_locked',$msg);
7863: } else {
7864: my $msg = '<span class="LC_error">';
7865: $msg .= &mt('Unable to upload [_1]. A file by that name was found in [_2].','<span class="LC_filename">'.$fname.'</span>',$port_path.$env{'form.currentpath'});
7866: $msg .= '</span>';
7867: $msg .= '<br />';
7868: $msg .= &mt('To upload, rename or delete existing [_1] in [_2].','<span class="LC_filename">'.$fname.'</span>', $port_path.$env{'form.currentpath'});
7869: return ('file_exists',$msg);
7870: }
7871: }
7872: }
7873:
1.31 albertel 7874:
1.41 ng 7875: =pod
1.45 matthew 7876:
1.464 albertel 7877: =back
1.41 ng 7878:
1.112 bowersj2 7879: =head1 CSV Upload/Handling functions
1.38 albertel 7880:
1.41 ng 7881: =over 4
7882:
1.648 raeburn 7883: =item * &upfile_store($r)
1.41 ng 7884:
7885: Store uploaded file, $r should be the HTTP Request object,
1.258 albertel 7886: needs $env{'form.upfile'}
1.41 ng 7887: returns $datatoken to be put into hidden field
7888:
7889: =cut
1.31 albertel 7890:
7891: sub upfile_store {
7892: my $r=shift;
1.258 albertel 7893: $env{'form.upfile'}=~s/\r/\n/gs;
7894: $env{'form.upfile'}=~s/\f/\n/gs;
7895: $env{'form.upfile'}=~s/\n+/\n/gs;
7896: $env{'form.upfile'}=~s/\n+$//gs;
1.31 albertel 7897:
1.258 albertel 7898: my $datatoken=$env{'user.name'}.'_'.$env{'user.domain'}.
7899: '_enroll_'.$env{'request.course.id'}.'_'.time.'_'.$$;
1.31 albertel 7900: {
1.158 raeburn 7901: my $datafile = $r->dir_config('lonDaemons').
7902: '/tmp/'.$datatoken.'.tmp';
7903: if ( open(my $fh,">$datafile") ) {
1.258 albertel 7904: print $fh $env{'form.upfile'};
1.158 raeburn 7905: close($fh);
7906: }
1.31 albertel 7907: }
7908: return $datatoken;
7909: }
7910:
1.56 matthew 7911: =pod
7912:
1.648 raeburn 7913: =item * &load_tmp_file($r)
1.41 ng 7914:
7915: Load uploaded file from tmp, $r should be the HTTP Request object,
1.258 albertel 7916: needs $env{'form.datatoken'},
7917: sets $env{'form.upfile'} to the contents of the file
1.41 ng 7918:
7919: =cut
1.31 albertel 7920:
7921: sub load_tmp_file {
7922: my $r=shift;
7923: my @studentdata=();
7924: {
1.158 raeburn 7925: my $studentfile = $r->dir_config('lonDaemons').
1.258 albertel 7926: '/tmp/'.$env{'form.datatoken'}.'.tmp';
1.158 raeburn 7927: if ( open(my $fh,"<$studentfile") ) {
7928: @studentdata=<$fh>;
7929: close($fh);
7930: }
1.31 albertel 7931: }
1.258 albertel 7932: $env{'form.upfile'}=join('',@studentdata);
1.31 albertel 7933: }
7934:
1.56 matthew 7935: =pod
7936:
1.648 raeburn 7937: =item * &upfile_record_sep()
1.41 ng 7938:
7939: Separate uploaded file into records
7940: returns array of records,
1.258 albertel 7941: needs $env{'form.upfile'} and $env{'form.upfiletype'}
1.41 ng 7942:
7943: =cut
1.31 albertel 7944:
7945: sub upfile_record_sep {
1.258 albertel 7946: if ($env{'form.upfiletype'} eq 'xml') {
1.31 albertel 7947: } else {
1.248 albertel 7948: my @records;
1.258 albertel 7949: foreach my $line (split(/\n/,$env{'form.upfile'})) {
1.248 albertel 7950: if ($line=~/^\s*$/) { next; }
7951: push(@records,$line);
7952: }
7953: return @records;
1.31 albertel 7954: }
7955: }
7956:
1.56 matthew 7957: =pod
7958:
1.648 raeburn 7959: =item * &record_sep($record)
1.41 ng 7960:
1.258 albertel 7961: Separate a record into fields $record should be an item from the upfile_record_sep(), needs $env{'form.upfiletype'}
1.41 ng 7962:
7963: =cut
7964:
1.263 www 7965: sub takeleft {
7966: my $index=shift;
7967: return substr('0000'.$index,-4,4);
7968: }
7969:
1.31 albertel 7970: sub record_sep {
7971: my $record=shift;
7972: my %components=();
1.258 albertel 7973: if ($env{'form.upfiletype'} eq 'xml') {
7974: } elsif ($env{'form.upfiletype'} eq 'space') {
1.31 albertel 7975: my $i=0;
1.356 albertel 7976: foreach my $field (split(/\s+/,$record)) {
1.31 albertel 7977: $field=~s/^(\"|\')//;
7978: $field=~s/(\"|\')$//;
1.263 www 7979: $components{&takeleft($i)}=$field;
1.31 albertel 7980: $i++;
7981: }
1.258 albertel 7982: } elsif ($env{'form.upfiletype'} eq 'tab') {
1.31 albertel 7983: my $i=0;
1.356 albertel 7984: foreach my $field (split(/\t/,$record)) {
1.31 albertel 7985: $field=~s/^(\"|\')//;
7986: $field=~s/(\"|\')$//;
1.263 www 7987: $components{&takeleft($i)}=$field;
1.31 albertel 7988: $i++;
7989: }
7990: } else {
1.561 www 7991: my $separator=',';
1.480 banghart 7992: if ($env{'form.upfiletype'} eq 'semisv') {
1.561 www 7993: $separator=';';
1.480 banghart 7994: }
1.31 albertel 7995: my $i=0;
1.561 www 7996: # the character we are looking for to indicate the end of a quote or a record
7997: my $looking_for=$separator;
7998: # do not add the characters to the fields
7999: my $ignore=0;
8000: # we just encountered a separator (or the beginning of the record)
8001: my $just_found_separator=1;
8002: # store the field we are working on here
8003: my $field='';
8004: # work our way through all characters in record
8005: foreach my $character ($record=~/(.)/g) {
8006: if ($character eq $looking_for) {
8007: if ($character ne $separator) {
8008: # Found the end of a quote, again looking for separator
8009: $looking_for=$separator;
8010: $ignore=1;
8011: } else {
8012: # Found a separator, store away what we got
8013: $components{&takeleft($i)}=$field;
8014: $i++;
8015: $just_found_separator=1;
8016: $ignore=0;
8017: $field='';
8018: }
8019: next;
8020: }
8021: # single or double quotation marks after a separator indicate beginning of a quote
8022: # we are now looking for the end of the quote and need to ignore separators
8023: if ((($character eq '"') || ($character eq "'")) && ($just_found_separator)) {
8024: $looking_for=$character;
8025: next;
8026: }
8027: # ignore would be true after we reached the end of a quote
8028: if ($ignore) { next; }
8029: if (($just_found_separator) && ($character=~/\s/)) { next; }
8030: $field.=$character;
8031: $just_found_separator=0;
1.31 albertel 8032: }
1.561 www 8033: # catch the very last entry, since we never encountered the separator
8034: $components{&takeleft($i)}=$field;
1.31 albertel 8035: }
8036: return %components;
8037: }
8038:
1.144 matthew 8039: ######################################################
8040: ######################################################
8041:
1.56 matthew 8042: =pod
8043:
1.648 raeburn 8044: =item * &upfile_select_html()
1.41 ng 8045:
1.144 matthew 8046: Return HTML code to select a file from the users machine and specify
8047: the file type.
1.41 ng 8048:
8049: =cut
8050:
1.144 matthew 8051: ######################################################
8052: ######################################################
1.31 albertel 8053: sub upfile_select_html {
1.144 matthew 8054: my %Types = (
8055: csv => &mt('CSV (comma separated values, spreadsheet)'),
1.480 banghart 8056: semisv => &mt('Semicolon separated values'),
1.144 matthew 8057: space => &mt('Space separated'),
8058: tab => &mt('Tabulator separated'),
8059: # xml => &mt('HTML/XML'),
8060: );
8061: my $Str = '<input type="file" name="upfile" size="50" />'.
1.727 riegler 8062: '<br />'.&mt('Type').': <select name="upfiletype">';
1.144 matthew 8063: foreach my $type (sort(keys(%Types))) {
8064: $Str .= '<option value="'.$type.'" >'.$Types{$type}."</option>\n";
8065: }
8066: $Str .= "</select>\n";
8067: return $Str;
1.31 albertel 8068: }
8069:
1.301 albertel 8070: sub get_samples {
8071: my ($records,$toget) = @_;
8072: my @samples=({});
8073: my $got=0;
8074: foreach my $rec (@$records) {
8075: my %temp = &record_sep($rec);
8076: if (! grep(/\S/, values(%temp))) { next; }
8077: if (%temp) {
8078: $samples[$got]=\%temp;
8079: $got++;
8080: if ($got == $toget) { last; }
8081: }
8082: }
8083: return \@samples;
8084: }
8085:
1.144 matthew 8086: ######################################################
8087: ######################################################
8088:
1.56 matthew 8089: =pod
8090:
1.648 raeburn 8091: =item * &csv_print_samples($r,$records)
1.41 ng 8092:
8093: Prints a table of sample values from each column uploaded $r is an
8094: Apache Request ref, $records is an arrayref from
8095: &Apache::loncommon::upfile_record_sep
8096:
8097: =cut
8098:
1.144 matthew 8099: ######################################################
8100: ######################################################
1.31 albertel 8101: sub csv_print_samples {
8102: my ($r,$records) = @_;
1.662 bisitz 8103: my $samples = &get_samples($records,5);
1.301 albertel 8104:
1.594 raeburn 8105: $r->print(&mt('Samples').'<br />'.&start_data_table().
8106: &start_data_table_header_row());
1.356 albertel 8107: foreach my $sample (sort({$a <=> $b} keys(%{ $samples->[0] }))) {
8108: $r->print('<th>'.&mt('Column [_1]',($sample+1)).'</th>'); }
1.594 raeburn 8109: $r->print(&end_data_table_header_row());
1.301 albertel 8110: foreach my $hash (@$samples) {
1.594 raeburn 8111: $r->print(&start_data_table_row());
1.356 albertel 8112: foreach my $sample (sort({$a <=> $b} keys(%{ $samples->[0] }))) {
1.31 albertel 8113: $r->print('<td>');
1.356 albertel 8114: if (defined($$hash{$sample})) { $r->print($$hash{$sample}); }
1.31 albertel 8115: $r->print('</td>');
8116: }
1.594 raeburn 8117: $r->print(&end_data_table_row());
1.31 albertel 8118: }
1.594 raeburn 8119: $r->print(&end_data_table().'<br />'."\n");
1.31 albertel 8120: }
8121:
1.144 matthew 8122: ######################################################
8123: ######################################################
8124:
1.56 matthew 8125: =pod
8126:
1.648 raeburn 8127: =item * &csv_print_select_table($r,$records,$d)
1.41 ng 8128:
8129: Prints a table to create associations between values and table columns.
1.144 matthew 8130:
1.41 ng 8131: $r is an Apache Request ref,
8132: $records is an arrayref from &Apache::loncommon::upfile_record_sep,
1.174 matthew 8133: $d is an array of 2 element arrays (internal name, displayed name,defaultcol)
1.41 ng 8134:
8135: =cut
8136:
1.144 matthew 8137: ######################################################
8138: ######################################################
1.31 albertel 8139: sub csv_print_select_table {
8140: my ($r,$records,$d) = @_;
1.301 albertel 8141: my $i=0;
8142: my $samples = &get_samples($records,1);
1.144 matthew 8143: $r->print(&mt('Associate columns with student attributes.')."\n".
1.594 raeburn 8144: &start_data_table().&start_data_table_header_row().
1.144 matthew 8145: '<th>'.&mt('Attribute').'</th>'.
1.594 raeburn 8146: '<th>'.&mt('Column').'</th>'.
8147: &end_data_table_header_row()."\n");
1.356 albertel 8148: foreach my $array_ref (@$d) {
8149: my ($value,$display,$defaultcol)=@{ $array_ref };
1.729 raeburn 8150: $r->print(&start_data_table_row().'<td>'.$display.'</td>');
1.31 albertel 8151:
8152: $r->print('<td><select name=f'.$i.
1.32 matthew 8153: ' onchange="javascript:flip(this.form,'.$i.');">');
1.31 albertel 8154: $r->print('<option value="none"></option>');
1.356 albertel 8155: foreach my $sample (sort({$a <=> $b} keys(%{ $samples->[0] }))) {
8156: $r->print('<option value="'.$sample.'"'.
8157: ($sample eq $defaultcol ? ' selected="selected" ' : '').
1.662 bisitz 8158: '>'.&mt('Column [_1]',($sample+1)).'</option>');
1.31 albertel 8159: }
1.594 raeburn 8160: $r->print('</select></td>'.&end_data_table_row()."\n");
1.31 albertel 8161: $i++;
8162: }
1.594 raeburn 8163: $r->print(&end_data_table());
1.31 albertel 8164: $i--;
8165: return $i;
8166: }
1.56 matthew 8167:
1.144 matthew 8168: ######################################################
8169: ######################################################
8170:
1.56 matthew 8171: =pod
1.31 albertel 8172:
1.648 raeburn 8173: =item * &csv_samples_select_table($r,$records,$d)
1.41 ng 8174:
8175: Prints a table of sample values from the upload and can make associate samples to internal names.
8176:
8177: $r is an Apache Request ref,
8178: $records is an arrayref from &Apache::loncommon::upfile_record_sep,
8179: $d is an array of 2 element arrays (internal name, displayed name)
8180:
8181: =cut
8182:
1.144 matthew 8183: ######################################################
8184: ######################################################
1.31 albertel 8185: sub csv_samples_select_table {
8186: my ($r,$records,$d) = @_;
8187: my $i=0;
1.144 matthew 8188: #
1.662 bisitz 8189: my $max_samples = 5;
8190: my $samples = &get_samples($records,$max_samples);
1.594 raeburn 8191: $r->print(&start_data_table().
8192: &start_data_table_header_row().'<th>'.
8193: &mt('Field').'</th><th>'.&mt('Samples').'</th>'.
8194: &end_data_table_header_row());
1.301 albertel 8195:
8196: foreach my $key (sort(keys(%{ $samples->[0] }))) {
1.594 raeburn 8197: $r->print(&start_data_table_row().'<td><select name="f'.$i.'"'.
1.32 matthew 8198: ' onchange="javascript:flip(this.form,'.$i.');">');
1.301 albertel 8199: foreach my $option (@$d) {
8200: my ($value,$display,$defaultcol)=@{ $option };
1.174 matthew 8201: $r->print('<option value="'.$value.'"'.
1.253 albertel 8202: ($i eq $defaultcol ? ' selected="selected" ':'').'>'.
1.174 matthew 8203: $display.'</option>');
1.31 albertel 8204: }
8205: $r->print('</select></td><td>');
1.662 bisitz 8206: foreach my $line (0..($max_samples-1)) {
1.301 albertel 8207: if (defined($samples->[$line]{$key})) {
8208: $r->print($samples->[$line]{$key}."<br />\n");
8209: }
8210: }
1.594 raeburn 8211: $r->print('</td>'.&end_data_table_row());
1.31 albertel 8212: $i++;
8213: }
1.594 raeburn 8214: $r->print(&end_data_table());
1.31 albertel 8215: $i--;
8216: return($i);
1.115 matthew 8217: }
8218:
1.144 matthew 8219: ######################################################
8220: ######################################################
8221:
1.115 matthew 8222: =pod
8223:
1.648 raeburn 8224: =item * &clean_excel_name($name)
1.115 matthew 8225:
8226: Returns a replacement for $name which does not contain any illegal characters.
8227:
8228: =cut
8229:
1.144 matthew 8230: ######################################################
8231: ######################################################
1.115 matthew 8232: sub clean_excel_name {
8233: my ($name) = @_;
8234: $name =~ s/[:\*\?\/\\]//g;
8235: if (length($name) > 31) {
8236: $name = substr($name,0,31);
8237: }
8238: return $name;
1.25 albertel 8239: }
1.84 albertel 8240:
1.85 albertel 8241: =pod
8242:
1.648 raeburn 8243: =item * &check_if_partid_hidden($id,$symb,$udom,$uname)
1.85 albertel 8244:
8245: Returns either 1 or undef
8246:
8247: 1 if the part is to be hidden, undef if it is to be shown
8248:
8249: Arguments are:
8250:
8251: $id the id of the part to be checked
8252: $symb, optional the symb of the resource to check
8253: $udom, optional the domain of the user to check for
8254: $uname, optional the username of the user to check for
8255:
8256: =cut
1.84 albertel 8257:
8258: sub check_if_partid_hidden {
8259: my ($id,$symb,$udom,$uname) = @_;
1.133 albertel 8260: my $hiddenparts=&Apache::lonnet::EXT('resource.0.hiddenparts',
1.84 albertel 8261: $symb,$udom,$uname);
1.141 albertel 8262: my $truth=1;
8263: #if the string starts with !, then the list is the list to show not hide
8264: if ($hiddenparts=~s/^\s*!//) { $truth=undef; }
1.84 albertel 8265: my @hiddenlist=split(/,/,$hiddenparts);
8266: foreach my $checkid (@hiddenlist) {
1.141 albertel 8267: if ($checkid =~ /^\s*\Q$id\E\s*$/) { return $truth; }
1.84 albertel 8268: }
1.141 albertel 8269: return !$truth;
1.84 albertel 8270: }
1.127 matthew 8271:
1.138 matthew 8272:
8273: ############################################################
8274: ############################################################
8275:
8276: =pod
8277:
1.157 matthew 8278: =back
8279:
1.138 matthew 8280: =head1 cgi-bin script and graphing routines
8281:
1.157 matthew 8282: =over 4
8283:
1.648 raeburn 8284: =item * &get_cgi_id()
1.138 matthew 8285:
8286: Inputs: none
8287:
8288: Returns an id which can be used to pass environment variables
8289: to various cgi-bin scripts. These environment variables will
8290: be removed from the users environment after a given time by
8291: the routine &Apache::lonnet::transfer_profile_to_env.
8292:
8293: =cut
8294:
8295: ############################################################
8296: ############################################################
1.152 albertel 8297: my $uniq=0;
1.136 matthew 8298: sub get_cgi_id {
1.154 albertel 8299: $uniq=($uniq+1)%100000;
1.280 albertel 8300: return (time.'_'.$$.'_'.$uniq);
1.136 matthew 8301: }
8302:
1.127 matthew 8303: ############################################################
8304: ############################################################
8305:
8306: =pod
8307:
1.648 raeburn 8308: =item * &DrawBarGraph()
1.127 matthew 8309:
1.138 matthew 8310: Facilitates the plotting of data in a (stacked) bar graph.
8311: Puts plot definition data into the users environment in order for
8312: graph.png to plot it. Returns an <img> tag for the plot.
8313: The bars on the plot are labeled '1','2',...,'n'.
8314:
8315: Inputs:
8316:
8317: =over 4
8318:
8319: =item $Title: string, the title of the plot
8320:
8321: =item $xlabel: string, text describing the X-axis of the plot
8322:
8323: =item $ylabel: string, text describing the Y-axis of the plot
8324:
8325: =item $Max: scalar, the maximum Y value to use in the plot
8326: If $Max is < any data point, the graph will not be rendered.
8327:
1.140 matthew 8328: =item $colors: array ref holding the colors to be used for the data sets when
1.138 matthew 8329: they are plotted. If undefined, default values will be used.
8330:
1.178 matthew 8331: =item $labels: array ref holding the labels to use on the x-axis for the bars.
8332:
1.138 matthew 8333: =item @Values: An array of array references. Each array reference holds data
8334: to be plotted in a stacked bar chart.
8335:
1.239 matthew 8336: =item If the final element of @Values is a hash reference the key/value
8337: pairs will be added to the graph definition.
8338:
1.138 matthew 8339: =back
8340:
8341: Returns:
8342:
8343: An <img> tag which references graph.png and the appropriate identifying
8344: information for the plot.
8345:
1.127 matthew 8346: =cut
8347:
8348: ############################################################
8349: ############################################################
1.134 matthew 8350: sub DrawBarGraph {
1.178 matthew 8351: my ($Title,$xlabel,$ylabel,$Max,$colors,$labels,@Values)=@_;
1.134 matthew 8352: #
8353: if (! defined($colors)) {
8354: $colors = ['#33ff00',
8355: '#0033cc', '#990000', '#aaaa66', '#663399', '#ff9933',
8356: '#66ccff', '#ff9999', '#cccc33', '#660000', '#33cc66',
8357: ];
8358: }
1.228 matthew 8359: my $extra_settings = {};
8360: if (ref($Values[-1]) eq 'HASH') {
8361: $extra_settings = pop(@Values);
8362: }
1.127 matthew 8363: #
1.136 matthew 8364: my $identifier = &get_cgi_id();
8365: my $id = 'cgi.'.$identifier;
1.129 matthew 8366: if (! @Values || ref($Values[0]) ne 'ARRAY') {
1.127 matthew 8367: return '';
8368: }
1.225 matthew 8369: #
8370: my @Labels;
8371: if (defined($labels)) {
8372: @Labels = @$labels;
8373: } else {
8374: for (my $i=0;$i<@{$Values[0]};$i++) {
8375: push (@Labels,$i+1);
8376: }
8377: }
8378: #
1.129 matthew 8379: my $NumBars = scalar(@{$Values[0]});
1.225 matthew 8380: if ($NumBars < scalar(@Labels)) { $NumBars = scalar(@Labels); }
1.129 matthew 8381: my %ValuesHash;
8382: my $NumSets=1;
8383: foreach my $array (@Values) {
8384: next if (! ref($array));
1.136 matthew 8385: $ValuesHash{$id.'.data.'.$NumSets++} =
1.132 matthew 8386: join(',',@$array);
1.129 matthew 8387: }
1.127 matthew 8388: #
1.136 matthew 8389: my ($height,$width,$xskip,$bar_width) = (200,120,1,15);
1.225 matthew 8390: if ($NumBars < 3) {
8391: $width = 120+$NumBars*32;
1.220 matthew 8392: $xskip = 1;
1.225 matthew 8393: $bar_width = 30;
8394: } elsif ($NumBars < 5) {
8395: $width = 120+$NumBars*20;
8396: $xskip = 1;
8397: $bar_width = 20;
1.220 matthew 8398: } elsif ($NumBars < 10) {
1.136 matthew 8399: $width = 120+$NumBars*15;
8400: $xskip = 1;
8401: $bar_width = 15;
8402: } elsif ($NumBars <= 25) {
8403: $width = 120+$NumBars*11;
8404: $xskip = 5;
8405: $bar_width = 8;
8406: } elsif ($NumBars <= 50) {
8407: $width = 120+$NumBars*8;
8408: $xskip = 5;
8409: $bar_width = 4;
8410: } else {
8411: $width = 120+$NumBars*8;
8412: $xskip = 5;
8413: $bar_width = 4;
8414: }
8415: #
1.137 matthew 8416: $Max = 1 if ($Max < 1);
8417: if ( int($Max) < $Max ) {
8418: $Max++;
8419: $Max = int($Max);
8420: }
1.127 matthew 8421: $Title = '' if (! defined($Title));
8422: $xlabel = '' if (! defined($xlabel));
8423: $ylabel = '' if (! defined($ylabel));
1.369 www 8424: $ValuesHash{$id.'.title'} = &escape($Title);
8425: $ValuesHash{$id.'.xlabel'} = &escape($xlabel);
8426: $ValuesHash{$id.'.ylabel'} = &escape($ylabel);
1.137 matthew 8427: $ValuesHash{$id.'.y_max_value'} = $Max;
1.136 matthew 8428: $ValuesHash{$id.'.NumBars'} = $NumBars;
8429: $ValuesHash{$id.'.NumSets'} = $NumSets;
8430: $ValuesHash{$id.'.PlotType'} = 'bar';
8431: $ValuesHash{$id.'.Colors'} = join(',',@{$colors});
8432: $ValuesHash{$id.'.height'} = $height;
8433: $ValuesHash{$id.'.width'} = $width;
8434: $ValuesHash{$id.'.xskip'} = $xskip;
8435: $ValuesHash{$id.'.bar_width'} = $bar_width;
8436: $ValuesHash{$id.'.labels'} = join(',',@Labels);
1.127 matthew 8437: #
1.228 matthew 8438: # Deal with other parameters
8439: while (my ($key,$value) = each(%$extra_settings)) {
8440: $ValuesHash{$id.'.'.$key} = $value;
8441: }
8442: #
1.646 raeburn 8443: &Apache::lonnet::appenv(\%ValuesHash);
1.137 matthew 8444: return '<img src="/cgi-bin/graph.png?'.$identifier.'" border="1" />';
8445: }
8446:
8447: ############################################################
8448: ############################################################
8449:
8450: =pod
8451:
1.648 raeburn 8452: =item * &DrawXYGraph()
1.137 matthew 8453:
1.138 matthew 8454: Facilitates the plotting of data in an XY graph.
8455: Puts plot definition data into the users environment in order for
8456: graph.png to plot it. Returns an <img> tag for the plot.
8457:
8458: Inputs:
8459:
8460: =over 4
8461:
8462: =item $Title: string, the title of the plot
8463:
8464: =item $xlabel: string, text describing the X-axis of the plot
8465:
8466: =item $ylabel: string, text describing the Y-axis of the plot
8467:
8468: =item $Max: scalar, the maximum Y value to use in the plot
8469: If $Max is < any data point, the graph will not be rendered.
8470:
8471: =item $colors: Array ref containing the hex color codes for the data to be
8472: plotted in. If undefined, default values will be used.
8473:
8474: =item $Xlabels: Array ref containing the labels to be used for the X-axis.
8475:
8476: =item $Ydata: Array ref containing Array refs.
1.185 www 8477: Each of the contained arrays will be plotted as a separate curve.
1.138 matthew 8478:
8479: =item %Values: hash indicating or overriding any default values which are
8480: passed to graph.png.
8481: Possible values are: width, xskip, x_ticks, x_tick_offset, among others.
8482:
8483: =back
8484:
8485: Returns:
8486:
8487: An <img> tag which references graph.png and the appropriate identifying
8488: information for the plot.
8489:
1.137 matthew 8490: =cut
8491:
8492: ############################################################
8493: ############################################################
8494: sub DrawXYGraph {
8495: my ($Title,$xlabel,$ylabel,$Max,$colors,$Xlabels,$Ydata,%Values)=@_;
8496: #
8497: # Create the identifier for the graph
8498: my $identifier = &get_cgi_id();
8499: my $id = 'cgi.'.$identifier;
8500: #
8501: $Title = '' if (! defined($Title));
8502: $xlabel = '' if (! defined($xlabel));
8503: $ylabel = '' if (! defined($ylabel));
8504: my %ValuesHash =
8505: (
1.369 www 8506: $id.'.title' => &escape($Title),
8507: $id.'.xlabel' => &escape($xlabel),
8508: $id.'.ylabel' => &escape($ylabel),
1.137 matthew 8509: $id.'.y_max_value'=> $Max,
8510: $id.'.labels' => join(',',@$Xlabels),
8511: $id.'.PlotType' => 'XY',
8512: );
8513: #
8514: if (defined($colors) && ref($colors) eq 'ARRAY') {
8515: $ValuesHash{$id.'.Colors'} = join(',',@{$colors});
8516: }
8517: #
8518: if (! ref($Ydata) || ref($Ydata) ne 'ARRAY') {
8519: return '';
8520: }
8521: my $NumSets=1;
1.138 matthew 8522: foreach my $array (@{$Ydata}){
1.137 matthew 8523: next if (! ref($array));
8524: $ValuesHash{$id.'.data.'.$NumSets++} = join(',',@$array);
8525: }
1.138 matthew 8526: $ValuesHash{$id.'.NumSets'} = $NumSets-1;
1.137 matthew 8527: #
8528: # Deal with other parameters
8529: while (my ($key,$value) = each(%Values)) {
8530: $ValuesHash{$id.'.'.$key} = $value;
1.127 matthew 8531: }
8532: #
1.646 raeburn 8533: &Apache::lonnet::appenv(\%ValuesHash);
1.136 matthew 8534: return '<img src="/cgi-bin/graph.png?'.$identifier.'" border="1" />';
8535: }
8536:
8537: ############################################################
8538: ############################################################
8539:
8540: =pod
8541:
1.648 raeburn 8542: =item * &DrawXYYGraph()
1.138 matthew 8543:
8544: Facilitates the plotting of data in an XY graph with two Y axes.
8545: Puts plot definition data into the users environment in order for
8546: graph.png to plot it. Returns an <img> tag for the plot.
8547:
8548: Inputs:
8549:
8550: =over 4
8551:
8552: =item $Title: string, the title of the plot
8553:
8554: =item $xlabel: string, text describing the X-axis of the plot
8555:
8556: =item $ylabel: string, text describing the Y-axis of the plot
8557:
8558: =item $colors: Array ref containing the hex color codes for the data to be
8559: plotted in. If undefined, default values will be used.
8560:
8561: =item $Xlabels: Array ref containing the labels to be used for the X-axis.
8562:
8563: =item $Ydata1: The first data set
8564:
8565: =item $Min1: The minimum value of the left Y-axis
8566:
8567: =item $Max1: The maximum value of the left Y-axis
8568:
8569: =item $Ydata2: The second data set
8570:
8571: =item $Min2: The minimum value of the right Y-axis
8572:
8573: =item $Max2: The maximum value of the left Y-axis
8574:
8575: =item %Values: hash indicating or overriding any default values which are
8576: passed to graph.png.
8577: Possible values are: width, xskip, x_ticks, x_tick_offset, among others.
8578:
8579: =back
8580:
8581: Returns:
8582:
8583: An <img> tag which references graph.png and the appropriate identifying
8584: information for the plot.
1.136 matthew 8585:
8586: =cut
8587:
8588: ############################################################
8589: ############################################################
1.137 matthew 8590: sub DrawXYYGraph {
8591: my ($Title,$xlabel,$ylabel,$colors,$Xlabels,$Ydata1,$Min1,$Max1,
8592: $Ydata2,$Min2,$Max2,%Values)=@_;
1.136 matthew 8593: #
8594: # Create the identifier for the graph
8595: my $identifier = &get_cgi_id();
8596: my $id = 'cgi.'.$identifier;
8597: #
8598: $Title = '' if (! defined($Title));
8599: $xlabel = '' if (! defined($xlabel));
8600: $ylabel = '' if (! defined($ylabel));
8601: my %ValuesHash =
8602: (
1.369 www 8603: $id.'.title' => &escape($Title),
8604: $id.'.xlabel' => &escape($xlabel),
8605: $id.'.ylabel' => &escape($ylabel),
1.136 matthew 8606: $id.'.labels' => join(',',@$Xlabels),
8607: $id.'.PlotType' => 'XY',
8608: $id.'.NumSets' => 2,
1.137 matthew 8609: $id.'.two_axes' => 1,
8610: $id.'.y1_max_value' => $Max1,
8611: $id.'.y1_min_value' => $Min1,
8612: $id.'.y2_max_value' => $Max2,
8613: $id.'.y2_min_value' => $Min2,
1.136 matthew 8614: );
8615: #
1.137 matthew 8616: if (defined($colors) && ref($colors) eq 'ARRAY') {
8617: $ValuesHash{$id.'.Colors'} = join(',',@{$colors});
8618: }
8619: #
8620: if (! ref($Ydata1) || ref($Ydata1) ne 'ARRAY' ||
8621: ! ref($Ydata2) || ref($Ydata2) ne 'ARRAY'){
1.136 matthew 8622: return '';
8623: }
8624: my $NumSets=1;
1.137 matthew 8625: foreach my $array ($Ydata1,$Ydata2){
1.136 matthew 8626: next if (! ref($array));
8627: $ValuesHash{$id.'.data.'.$NumSets++} = join(',',@$array);
1.137 matthew 8628: }
8629: #
8630: # Deal with other parameters
8631: while (my ($key,$value) = each(%Values)) {
8632: $ValuesHash{$id.'.'.$key} = $value;
1.136 matthew 8633: }
8634: #
1.646 raeburn 8635: &Apache::lonnet::appenv(\%ValuesHash);
1.130 albertel 8636: return '<img src="/cgi-bin/graph.png?'.$identifier.'" border="1" />';
1.139 matthew 8637: }
8638:
8639: ############################################################
8640: ############################################################
8641:
8642: =pod
8643:
1.157 matthew 8644: =back
8645:
1.139 matthew 8646: =head1 Statistics helper routines?
8647:
8648: Bad place for them but what the hell.
8649:
1.157 matthew 8650: =over 4
8651:
1.648 raeburn 8652: =item * &chartlink()
1.139 matthew 8653:
8654: Returns a link to the chart for a specific student.
8655:
8656: Inputs:
8657:
8658: =over 4
8659:
8660: =item $linktext: The text of the link
8661:
8662: =item $sname: The students username
8663:
8664: =item $sdomain: The students domain
8665:
8666: =back
8667:
1.157 matthew 8668: =back
8669:
1.139 matthew 8670: =cut
8671:
8672: ############################################################
8673: ############################################################
8674: sub chartlink {
8675: my ($linktext, $sname, $sdomain) = @_;
8676: my $link = '<a href="/adm/statistics?reportSelected=student_assessment'.
1.369 www 8677: '&SelectedStudent='.&escape($sname.':'.$sdomain).
1.219 albertel 8678: '&chartoutputmode='.HTML::Entities::encode('html, with all links').
1.139 matthew 8679: '">'.$linktext.'</a>';
1.153 matthew 8680: }
8681:
8682: #######################################################
8683: #######################################################
8684:
8685: =pod
8686:
8687: =head1 Course Environment Routines
1.157 matthew 8688:
8689: =over 4
1.153 matthew 8690:
1.648 raeburn 8691: =item * &restore_course_settings()
1.153 matthew 8692:
1.648 raeburn 8693: =item * &store_course_settings()
1.153 matthew 8694:
8695: Restores/Store indicated form parameters from the course environment.
8696: Will not overwrite existing values of the form parameters.
8697:
8698: Inputs:
8699: a scalar describing the data (e.g. 'chart', 'problem_analysis')
8700:
8701: a hash ref describing the data to be stored. For example:
8702:
8703: %Save_Parameters = ('Status' => 'scalar',
8704: 'chartoutputmode' => 'scalar',
8705: 'chartoutputdata' => 'scalar',
8706: 'Section' => 'array',
1.373 raeburn 8707: 'Group' => 'array',
1.153 matthew 8708: 'StudentData' => 'array',
8709: 'Maps' => 'array');
8710:
8711: Returns: both routines return nothing
8712:
1.631 raeburn 8713: =back
8714:
1.153 matthew 8715: =cut
8716:
8717: #######################################################
8718: #######################################################
8719: sub store_course_settings {
1.496 albertel 8720: return &store_settings($env{'request.course.id'},@_);
8721: }
8722:
8723: sub store_settings {
1.153 matthew 8724: # save to the environment
8725: # appenv the same items, just to be safe
1.300 albertel 8726: my $udom = $env{'user.domain'};
8727: my $uname = $env{'user.name'};
1.496 albertel 8728: my ($context,$prefix,$Settings) = @_;
1.153 matthew 8729: my %SaveHash;
8730: my %AppHash;
8731: while (my ($setting,$type) = each(%$Settings)) {
1.496 albertel 8732: my $basename = join('.','internal',$context,$prefix,$setting);
1.300 albertel 8733: my $envname = 'environment.'.$basename;
1.258 albertel 8734: if (exists($env{'form.'.$setting})) {
1.153 matthew 8735: # Save this value away
8736: if ($type eq 'scalar' &&
1.258 albertel 8737: (! exists($env{$envname}) ||
8738: $env{$envname} ne $env{'form.'.$setting})) {
8739: $SaveHash{$basename} = $env{'form.'.$setting};
8740: $AppHash{$envname} = $env{'form.'.$setting};
1.153 matthew 8741: } elsif ($type eq 'array') {
8742: my $stored_form;
1.258 albertel 8743: if (ref($env{'form.'.$setting})) {
1.153 matthew 8744: $stored_form = join(',',
8745: map {
1.369 www 8746: &escape($_);
1.258 albertel 8747: } sort(@{$env{'form.'.$setting}}));
1.153 matthew 8748: } else {
8749: $stored_form =
1.369 www 8750: &escape($env{'form.'.$setting});
1.153 matthew 8751: }
8752: # Determine if the array contents are the same.
1.258 albertel 8753: if ($stored_form ne $env{$envname}) {
1.153 matthew 8754: $SaveHash{$basename} = $stored_form;
8755: $AppHash{$envname} = $stored_form;
8756: }
8757: }
8758: }
8759: }
8760: my $put_result = &Apache::lonnet::put('environment',\%SaveHash,
1.300 albertel 8761: $udom,$uname);
1.153 matthew 8762: if ($put_result !~ /^(ok|delayed)/) {
8763: &Apache::lonnet::logthis('unable to save form parameters, '.
8764: 'got error:'.$put_result);
8765: }
8766: # Make sure these settings stick around in this session, too
1.646 raeburn 8767: &Apache::lonnet::appenv(\%AppHash);
1.153 matthew 8768: return;
8769: }
8770:
8771: sub restore_course_settings {
1.499 albertel 8772: return &restore_settings($env{'request.course.id'},@_);
1.496 albertel 8773: }
8774:
8775: sub restore_settings {
8776: my ($context,$prefix,$Settings) = @_;
1.153 matthew 8777: while (my ($setting,$type) = each(%$Settings)) {
1.258 albertel 8778: next if (exists($env{'form.'.$setting}));
1.496 albertel 8779: my $envname = 'environment.internal.'.$context.'.'.$prefix.
1.153 matthew 8780: '.'.$setting;
1.258 albertel 8781: if (exists($env{$envname})) {
1.153 matthew 8782: if ($type eq 'scalar') {
1.258 albertel 8783: $env{'form.'.$setting} = $env{$envname};
1.153 matthew 8784: } elsif ($type eq 'array') {
1.258 albertel 8785: $env{'form.'.$setting} = [
1.153 matthew 8786: map {
1.369 www 8787: &unescape($_);
1.258 albertel 8788: } split(',',$env{$envname})
1.153 matthew 8789: ];
8790: }
8791: }
8792: }
1.127 matthew 8793: }
8794:
1.618 raeburn 8795: #######################################################
8796: #######################################################
8797:
8798: =pod
8799:
8800: =head1 Domain E-mail Routines
8801:
8802: =over 4
8803:
1.648 raeburn 8804: =item * &build_recipient_list()
1.618 raeburn 8805:
1.766 raeburn 8806: Build recipient lists for four types of e-mail:
8807: (a) Error Reports, (b) Package Updates, (c) lonstatus warnings/errors
8808: (d) Help requests, generated by
8809: lonerrorhandler.pm, CHECKRPMS, loncron, and lonsupportreq.pm respectively.
1.618 raeburn 8810:
8811: Inputs:
1.619 raeburn 8812: defmail (scalar - email address of default recipient),
1.618 raeburn 8813: mailing type (scalar - errormail, packagesmail, or helpdeskmail),
1.619 raeburn 8814: defdom (domain for which to retrieve configuration settings),
8815: origmail (scalar - email address of recipient from loncapa.conf,
8816: i.e., predates configuration by DC via domainprefs.pm
1.618 raeburn 8817:
1.655 raeburn 8818: Returns: comma separated list of addresses to which to send e-mail.
8819:
8820: =back
1.618 raeburn 8821:
8822: =cut
8823:
8824: ############################################################
8825: ############################################################
8826: sub build_recipient_list {
1.619 raeburn 8827: my ($defmail,$mailing,$defdom,$origmail) = @_;
1.618 raeburn 8828: my @recipients;
8829: my $otheremails;
8830: my %domconfig =
8831: &Apache::lonnet::get_dom('configuration',['contacts'],$defdom);
8832: if (ref($domconfig{'contacts'}) eq 'HASH') {
1.766 raeburn 8833: if (exists($domconfig{'contacts'}{$mailing})) {
8834: if (ref($domconfig{'contacts'}{$mailing}) eq 'HASH') {
8835: my @contacts = ('adminemail','supportemail');
8836: foreach my $item (@contacts) {
8837: if ($domconfig{'contacts'}{$mailing}{$item}) {
8838: my $addr = $domconfig{'contacts'}{$item};
8839: if (!grep(/^\Q$addr\E$/,@recipients)) {
8840: push(@recipients,$addr);
8841: }
1.619 raeburn 8842: }
1.766 raeburn 8843: $otheremails = $domconfig{'contacts'}{$mailing}{'others'};
1.618 raeburn 8844: }
8845: }
1.766 raeburn 8846: } elsif ($origmail ne '') {
8847: push(@recipients,$origmail);
1.618 raeburn 8848: }
1.619 raeburn 8849: } elsif ($origmail ne '') {
8850: push(@recipients,$origmail);
1.618 raeburn 8851: }
1.688 raeburn 8852: if (defined($defmail)) {
8853: if ($defmail ne '') {
8854: push(@recipients,$defmail);
8855: }
1.618 raeburn 8856: }
8857: if ($otheremails) {
1.619 raeburn 8858: my @others;
8859: if ($otheremails =~ /,/) {
8860: @others = split(/,/,$otheremails);
1.618 raeburn 8861: } else {
1.619 raeburn 8862: push(@others,$otheremails);
8863: }
8864: foreach my $addr (@others) {
8865: if (!grep(/^\Q$addr\E$/,@recipients)) {
8866: push(@recipients,$addr);
8867: }
1.618 raeburn 8868: }
8869: }
1.619 raeburn 8870: my $recipientlist = join(',',@recipients);
1.618 raeburn 8871: return $recipientlist;
8872: }
8873:
1.127 matthew 8874: ############################################################
8875: ############################################################
1.154 albertel 8876:
1.655 raeburn 8877: =pod
8878:
8879: =head1 Course Catalog Routines
8880:
8881: =over 4
8882:
8883: =item * &gather_categories()
8884:
8885: Converts category definitions - keys of categories hash stored in
8886: coursecategories in configuration.db on the primary library server in a
8887: domain - to an array. Also generates javascript and idx hash used to
8888: generate Domain Coordinator interface for editing Course Categories.
8889:
8890: Inputs:
1.663 raeburn 8891:
1.655 raeburn 8892: categories (reference to hash of category definitions).
1.663 raeburn 8893:
1.655 raeburn 8894: cats (reference to array of arrays/hashes which encapsulates hierarchy of
8895: categories and subcategories).
1.663 raeburn 8896:
1.655 raeburn 8897: idx (reference to hash of counters used in Domain Coordinator interface for
8898: editing Course Categories).
1.663 raeburn 8899:
1.655 raeburn 8900: jsarray (reference to array of categories used to create Javascript arrays for
8901: Domain Coordinator interface for editing Course Categories).
8902:
8903: Returns: nothing
8904:
8905: Side effects: populates cats, idx and jsarray.
8906:
8907: =cut
8908:
8909: sub gather_categories {
8910: my ($categories,$cats,$idx,$jsarray) = @_;
8911: my %counters;
8912: my $num = 0;
8913: foreach my $item (keys(%{$categories})) {
8914: my ($cat,$container,$depth) = map { &unescape($_); } split(/:/,$item);
8915: if ($container eq '' && $depth == 0) {
8916: $cats->[$depth][$categories->{$item}] = $cat;
8917: } else {
8918: $cats->[$depth]{$container}[$categories->{$item}] = $cat;
8919: }
8920: my ($escitem,$tail) = split(/:/,$item,2);
8921: if ($counters{$tail} eq '') {
8922: $counters{$tail} = $num;
8923: $num ++;
8924: }
8925: if (ref($idx) eq 'HASH') {
8926: $idx->{$item} = $counters{$tail};
8927: }
8928: if (ref($jsarray) eq 'ARRAY') {
8929: push(@{$jsarray->[$counters{$tail}]},$item);
8930: }
8931: }
8932: return;
8933: }
8934:
8935: =pod
8936:
8937: =item * &extract_categories()
8938:
8939: Used to generate breadcrumb trails for course categories.
8940:
8941: Inputs:
1.663 raeburn 8942:
1.655 raeburn 8943: categories (reference to hash of category definitions).
1.663 raeburn 8944:
1.655 raeburn 8945: cats (reference to array of arrays/hashes which encapsulates hierarchy of
8946: categories and subcategories).
1.663 raeburn 8947:
1.655 raeburn 8948: trails (reference to array of breacrumb trails for each category).
1.663 raeburn 8949:
1.655 raeburn 8950: allitems (reference to hash - key is category key
8951: (format: escaped(name):escaped(parent category):depth in hierarchy).
1.663 raeburn 8952:
1.655 raeburn 8953: idx (reference to hash of counters used in Domain Coordinator interface for
8954: editing Course Categories).
1.663 raeburn 8955:
1.655 raeburn 8956: jsarray (reference to array of categories used to create Javascript arrays for
8957: Domain Coordinator interface for editing Course Categories).
8958:
1.665 raeburn 8959: subcats (reference to hash of arrays containing all subcategories within each
8960: category, -recursive)
8961:
1.655 raeburn 8962: Returns: nothing
8963:
8964: Side effects: populates trails and allitems hash references.
8965:
8966: =cut
8967:
8968: sub extract_categories {
1.665 raeburn 8969: my ($categories,$cats,$trails,$allitems,$idx,$jsarray,$subcats) = @_;
1.655 raeburn 8970: if (ref($categories) eq 'HASH') {
8971: &gather_categories($categories,$cats,$idx,$jsarray);
8972: if (ref($cats->[0]) eq 'ARRAY') {
8973: for (my $i=0; $i<@{$cats->[0]}; $i++) {
8974: my $name = $cats->[0][$i];
8975: my $item = &escape($name).'::0';
8976: my $trailstr;
8977: if ($name eq 'instcode') {
8978: $trailstr = &mt('Official courses (with institutional codes)');
8979: } else {
8980: $trailstr = $name;
8981: }
8982: if ($allitems->{$item} eq '') {
8983: push(@{$trails},$trailstr);
8984: $allitems->{$item} = scalar(@{$trails})-1;
8985: }
8986: my @parents = ($name);
8987: if (ref($cats->[1]{$name}) eq 'ARRAY') {
8988: for (my $j=0; $j<@{$cats->[1]{$name}}; $j++) {
8989: my $category = $cats->[1]{$name}[$j];
1.665 raeburn 8990: if (ref($subcats) eq 'HASH') {
8991: push(@{$subcats->{$item}},&escape($category).':'.&escape($name).':1');
8992: }
8993: &recurse_categories($cats,2,$category,$trails,$allitems,\@parents,$subcats);
8994: }
8995: } else {
8996: if (ref($subcats) eq 'HASH') {
8997: $subcats->{$item} = [];
1.655 raeburn 8998: }
8999: }
9000: }
9001: }
9002: }
9003: return;
9004: }
9005:
9006: =pod
9007:
9008: =item *&recurse_categories()
9009:
9010: Recursively used to generate breadcrumb trails for course categories.
9011:
9012: Inputs:
1.663 raeburn 9013:
1.655 raeburn 9014: cats (reference to array of arrays/hashes which encapsulates hierarchy of
9015: categories and subcategories).
1.663 raeburn 9016:
1.655 raeburn 9017: depth (current depth in hierarchy of categories and sub-categories - 0 indexed).
1.663 raeburn 9018:
9019: category (current course category, for which breadcrumb trail is being generated).
9020:
9021: trails (reference to array of breadcrumb trails for each category).
9022:
1.655 raeburn 9023: allitems (reference to hash - key is category key
9024: (format: escaped(name):escaped(parent category):depth in hierarchy).
1.663 raeburn 9025:
1.655 raeburn 9026: parents (array containing containers directories for current category,
9027: back to top level).
9028:
9029: Returns: nothing
9030:
9031: Side effects: populates trails and allitems hash references
9032:
9033: =cut
9034:
9035: sub recurse_categories {
1.665 raeburn 9036: my ($cats,$depth,$category,$trails,$allitems,$parents,$subcats) = @_;
1.655 raeburn 9037: my $shallower = $depth - 1;
9038: if (ref($cats->[$depth]{$category}) eq 'ARRAY') {
9039: for (my $k=0; $k<@{$cats->[$depth]{$category}}; $k++) {
9040: my $name = $cats->[$depth]{$category}[$k];
9041: my $item = &escape($category).':'.&escape($parents->[-1]).':'.$shallower;
9042: my $trailstr = join(' -> ',(@{$parents},$category));
9043: if ($allitems->{$item} eq '') {
9044: push(@{$trails},$trailstr);
9045: $allitems->{$item} = scalar(@{$trails})-1;
9046: }
9047: my $deeper = $depth+1;
9048: push(@{$parents},$category);
1.665 raeburn 9049: if (ref($subcats) eq 'HASH') {
9050: my $subcat = &escape($name).':'.$category.':'.$depth;
9051: for (my $j=@{$parents}; $j>=0; $j--) {
9052: my $higher;
9053: if ($j > 0) {
9054: $higher = &escape($parents->[$j]).':'.
9055: &escape($parents->[$j-1]).':'.$j;
9056: } else {
9057: $higher = &escape($parents->[$j]).'::'.$j;
9058: }
9059: push(@{$subcats->{$higher}},$subcat);
9060: }
9061: }
9062: &recurse_categories($cats,$deeper,$name,$trails,$allitems,$parents,
9063: $subcats);
1.655 raeburn 9064: pop(@{$parents});
9065: }
9066: } else {
9067: my $item = &escape($category).':'.&escape($parents->[-1]).':'.$shallower;
9068: my $trailstr = join(' -> ',(@{$parents},$category));
9069: if ($allitems->{$item} eq '') {
9070: push(@{$trails},$trailstr);
9071: $allitems->{$item} = scalar(@{$trails})-1;
9072: }
9073: }
9074: return;
9075: }
9076:
1.663 raeburn 9077: =pod
9078:
9079: =item *&assign_categories_table()
9080:
9081: Create a datatable for display of hierarchical categories in a domain,
9082: with checkboxes to allow a course to be categorized.
9083:
9084: Inputs:
9085:
9086: cathash - reference to hash of categories defined for the domain (from
9087: configuration.db)
9088:
9089: currcat - scalar with an & separated list of categories assigned to a course.
9090:
9091: Returns: $output (markup to be displayed)
9092:
9093: =cut
9094:
9095: sub assign_categories_table {
9096: my ($cathash,$currcat) = @_;
9097: my $output;
9098: if (ref($cathash) eq 'HASH') {
9099: my (@cats,@trails,%allitems,%idx,@jsarray,@path,$maxdepth);
9100: &extract_categories($cathash,\@cats,\@trails,\%allitems,\%idx,\@jsarray);
9101: $maxdepth = scalar(@cats);
9102: if (@cats > 0) {
9103: my $itemcount = 0;
9104: if (ref($cats[0]) eq 'ARRAY') {
9105: $output = &Apache::loncommon::start_data_table();
9106: my @currcategories;
9107: if ($currcat ne '') {
9108: @currcategories = split('&',$currcat);
9109: }
9110: for (my $i=0; $i<@{$cats[0]}; $i++) {
9111: my $parent = $cats[0][$i];
9112: my $css_class = $itemcount%2?' class="LC_odd_row"':'';
9113: next if ($parent eq 'instcode');
9114: my $item = &escape($parent).'::0';
9115: my $checked = '';
9116: if (@currcategories > 0) {
9117: if (grep(/^\Q$item\E$/,@currcategories)) {
1.772 bisitz 9118: $checked = ' checked="checked"';
1.663 raeburn 9119: }
9120: }
1.675 raeburn 9121: $output .= '<tr '.$css_class.'><td><span class="LC_nobreak">'.
9122: '<input type="checkbox" name="usecategory" value="'.
9123: $item.'"'.$checked.' />'.$parent.'</span>'.
9124: '<input type="hidden" name="catname" value="'.$parent.'" /></td>';
1.663 raeburn 9125: my $depth = 1;
9126: push(@path,$parent);
9127: $output .= &assign_category_rows($itemcount,\@cats,$depth,$parent,\@path,\@currcategories);
9128: pop(@path);
9129: $output .= '</tr><tr><td colspan="'.$maxdepth.'" class="LC_row_separator"></td></tr>';
9130: $itemcount ++;
9131: }
9132: $output .= &Apache::loncommon::end_data_table();
9133: }
9134: }
9135: }
9136: return $output;
9137: }
9138:
9139: =pod
9140:
9141: =item *&assign_category_rows()
9142:
9143: Create a datatable row for display of nested categories in a domain,
9144: with checkboxes to allow a course to be categorized,called recursively.
9145:
9146: Inputs:
9147:
9148: itemcount - track row number for alternating colors
9149:
9150: cats - reference to array of arrays/hashes which encapsulates hierarchy of
9151: categories and subcategories.
9152:
9153: depth - current depth in hierarchy of categories and sub-categories - 0 indexed.
9154:
9155: parent - parent of current category item
9156:
9157: path - Array containing all categories back up through the hierarchy from the
9158: current category to the top level.
9159:
9160: currcategories - reference to array of current categories assigned to the course
9161:
9162: Returns: $output (markup to be displayed).
9163:
9164: =cut
9165:
9166: sub assign_category_rows {
9167: my ($itemcount,$cats,$depth,$parent,$path,$currcategories) = @_;
9168: my ($text,$name,$item,$chgstr);
9169: if (ref($cats) eq 'ARRAY') {
9170: my $maxdepth = scalar(@{$cats});
9171: if (ref($cats->[$depth]) eq 'HASH') {
9172: if (ref($cats->[$depth]{$parent}) eq 'ARRAY') {
9173: my $numchildren = @{$cats->[$depth]{$parent}};
9174: my $css_class = $itemcount%2?' class="LC_odd_row"':'';
9175: $text .= '<td><table class="LC_datatable">';
9176: for (my $j=0; $j<$numchildren; $j++) {
9177: $name = $cats->[$depth]{$parent}[$j];
9178: $item = &escape($name).':'.&escape($parent).':'.$depth;
9179: my $deeper = $depth+1;
9180: my $checked = '';
9181: if (ref($currcategories) eq 'ARRAY') {
9182: if (@{$currcategories} > 0) {
9183: if (grep(/^\Q$item\E$/,@{$currcategories})) {
1.772 bisitz 9184: $checked = ' checked="checked"';
1.663 raeburn 9185: }
9186: }
9187: }
1.664 raeburn 9188: $text .= '<tr><td><span class="LC_nobreak"><label>'.
9189: '<input type="checkbox" name="usecategory" value="'.
1.675 raeburn 9190: $item.'"'.$checked.' />'.$name.'</label></span>'.
9191: '<input type="hidden" name="catname" value="'.$name.'" />'.
9192: '</td><td>';
1.663 raeburn 9193: if (ref($path) eq 'ARRAY') {
9194: push(@{$path},$name);
9195: $text .= &assign_category_rows($itemcount,$cats,$deeper,$name,$path,$currcategories);
9196: pop(@{$path});
9197: }
9198: $text .= '</td></tr>';
9199: }
9200: $text .= '</table></td>';
9201: }
9202: }
9203: }
9204: return $text;
9205: }
9206:
1.655 raeburn 9207: ############################################################
9208: ############################################################
9209:
9210:
1.443 albertel 9211: sub commit_customrole {
1.664 raeburn 9212: my ($udom,$uname,$url,$three,$four,$five,$start,$end,$context) = @_;
1.630 raeburn 9213: my $output = &mt('Assigning custom role').' "'.$five.'" by '.$four.':'.$three.' in '.$url.
1.443 albertel 9214: ($start?', '.&mt('starting').' '.localtime($start):'').
9215: ($end?', ending '.localtime($end):'').': <b>'.
9216: &Apache::lonnet::assigncustomrole(
1.664 raeburn 9217: $udom,$uname,$url,$three,$four,$five,$end,$start,undef,undef,$context).
1.443 albertel 9218: '</b><br />';
9219: return $output;
9220: }
9221:
9222: sub commit_standardrole {
1.541 raeburn 9223: my ($udom,$uname,$url,$three,$start,$end,$one,$two,$sec,$context) = @_;
9224: my ($output,$logmsg,$linefeed);
9225: if ($context eq 'auto') {
9226: $linefeed = "\n";
9227: } else {
9228: $linefeed = "<br />\n";
9229: }
1.443 albertel 9230: if ($three eq 'st') {
1.541 raeburn 9231: my $result = &commit_studentrole(\$logmsg,$udom,$uname,$url,$three,$start,$end,
9232: $one,$two,$sec,$context);
9233: if (($result =~ /^error/) || ($result eq 'not_in_class') ||
1.626 raeburn 9234: ($result eq 'unknown_course') || ($result eq 'refused')) {
9235: $output = $logmsg.' '.&mt('Error: ').$result."\n";
1.443 albertel 9236: } else {
1.541 raeburn 9237: $output = $logmsg.$linefeed.&mt('Assigning').' '.$three.' in '.$url.
1.443 albertel 9238: ($start?', '.&mt('starting').' '.localtime($start):'').
1.541 raeburn 9239: ($end?', '.&mt('ending').' '.localtime($end):'').': ';
9240: if ($context eq 'auto') {
9241: $output .= $result.$linefeed.&mt('Add to classlist').': ok';
9242: } else {
9243: $output .= '<b>'.$result.'</b>'.$linefeed.
9244: &mt('Add to classlist').': <b>ok</b>';
9245: }
9246: $output .= $linefeed;
1.443 albertel 9247: }
9248: } else {
9249: $output = &mt('Assigning').' '.$three.' in '.$url.
9250: ($start?', '.&mt('starting').' '.localtime($start):'').
1.541 raeburn 9251: ($end?', '.&mt('ending').' '.localtime($end):'').': ';
1.652 raeburn 9252: my $result = &Apache::lonnet::assignrole($udom,$uname,$url,$three,$end,$start,'','',$context);
1.541 raeburn 9253: if ($context eq 'auto') {
9254: $output .= $result.$linefeed;
9255: } else {
9256: $output .= '<b>'.$result.'</b>'.$linefeed;
9257: }
1.443 albertel 9258: }
9259: return $output;
9260: }
9261:
9262: sub commit_studentrole {
1.541 raeburn 9263: my ($logmsg,$udom,$uname,$url,$three,$start,$end,$one,$two,$sec,$context) = @_;
1.626 raeburn 9264: my ($result,$linefeed,$oldsecurl,$newsecurl);
1.541 raeburn 9265: if ($context eq 'auto') {
9266: $linefeed = "\n";
9267: } else {
9268: $linefeed = '<br />'."\n";
9269: }
1.443 albertel 9270: if (defined($one) && defined($two)) {
9271: my $cid=$one.'_'.$two;
9272: my $oldsec=&Apache::lonnet::getsection($udom,$uname,$cid);
9273: my $secchange = 0;
9274: my $expire_role_result;
9275: my $modify_section_result;
1.628 raeburn 9276: if ($oldsec ne '-1') {
9277: if ($oldsec ne $sec) {
1.443 albertel 9278: $secchange = 1;
1.628 raeburn 9279: my $now = time;
1.443 albertel 9280: my $uurl='/'.$cid;
9281: $uurl=~s/\_/\//g;
9282: if ($oldsec) {
9283: $uurl.='/'.$oldsec;
9284: }
1.626 raeburn 9285: $oldsecurl = $uurl;
1.628 raeburn 9286: $expire_role_result =
1.652 raeburn 9287: &Apache::lonnet::assignrole($udom,$uname,$uurl,'st',$now,'','',$context);
1.628 raeburn 9288: if ($env{'request.course.sec'} ne '') {
9289: if ($expire_role_result eq 'refused') {
9290: my @roles = ('st');
9291: my @statuses = ('previous');
9292: my @roledoms = ($one);
9293: my $withsec = 1;
9294: my %roleshash =
9295: &Apache::lonnet::get_my_roles($uname,$udom,'userroles',
9296: \@statuses,\@roles,\@roledoms,$withsec);
9297: if (defined ($roleshash{$two.':'.$one.':st:'.$oldsec})) {
9298: my ($oldstart,$oldend) =
9299: split(':',$roleshash{$two.':'.$one.':st:'.$oldsec});
9300: if ($oldend > 0 && $oldend <= $now) {
9301: $expire_role_result = 'ok';
9302: }
9303: }
9304: }
9305: }
1.443 albertel 9306: $result = $expire_role_result;
9307: }
9308: }
9309: if (($expire_role_result eq 'ok') || ($secchange == 0)) {
1.652 raeburn 9310: $modify_section_result = &Apache::lonnet::modify_student_enrollment($udom,$uname,undef,undef,undef,undef,undef,$sec,$end,$start,'','',$cid,'',$context);
1.443 albertel 9311: if ($modify_section_result =~ /^ok/) {
9312: if ($secchange == 1) {
1.628 raeburn 9313: if ($sec eq '') {
9314: $$logmsg .= &mt('Section for [_1] switched from (possibly expired) old section: [_2] to student role without a section.',$uname,$oldsec).$linefeed;
9315: } else {
9316: $$logmsg .= &mt('Section for [_1] switched from (possibly expired) old section: [_2] to new section: [_3].',$uname,$oldsec,$sec).$linefeed;
9317: }
1.443 albertel 9318: } elsif ($oldsec eq '-1') {
1.628 raeburn 9319: if ($sec eq '') {
9320: $$logmsg .= &mt('New student role without a section for [_1] in course [_2].',$uname,$cid).$linefeed;
9321: } else {
9322: $$logmsg .= &mt('New student role for [_1] in section [_2] in course [_3].',$uname,$sec,$cid).$linefeed;
9323: }
1.443 albertel 9324: } else {
1.628 raeburn 9325: if ($sec eq '') {
9326: $$logmsg .= &mt('Student [_1] assigned to course [_2] without a section.',$uname,$cid).$linefeed;
9327: } else {
9328: $$logmsg .= &mt('Student [_1] assigned to section [_2] in course [_3].',$uname,$sec,$cid).$linefeed;
9329: }
1.443 albertel 9330: }
9331: } else {
1.628 raeburn 9332: if ($secchange) {
9333: $$logmsg .= &mt('Error when attempting section change for [_1] from old section "[_2]" to new section: "[_3]" in course [_4] -error:',$uname,$oldsec,$sec,$cid).' '.$modify_section_result.$linefeed;
9334: } else {
9335: $$logmsg .= &mt('Error when attempting to modify role for [_1] for section: "[_2]" in course [_3] -error:',$uname,$sec,$cid).' '.$modify_section_result.$linefeed;
9336: }
1.443 albertel 9337: }
9338: $result = $modify_section_result;
9339: } elsif ($secchange == 1) {
1.628 raeburn 9340: if ($oldsec eq '') {
9341: $$logmsg .= &mt('Error when attempting to expire existing role without a section for [_1] in course [_3] -error: ',$uname,$cid).' '.$expire_role_result.$linefeed;
9342: } else {
9343: $$logmsg .= &mt('Error when attempting to expire existing role for [_1] in section [_2] in course [_3] -error: ',$uname,$oldsec,$cid).' '.$expire_role_result.$linefeed;
9344: }
1.626 raeburn 9345: if ($expire_role_result eq 'refused') {
9346: my $newsecurl = '/'.$cid;
9347: $newsecurl =~ s/\_/\//g;
9348: if ($sec ne '') {
9349: $newsecurl.='/'.$sec;
9350: }
9351: if (&Apache::lonnet::allowed('cst',$newsecurl) && !(&Apache::lonnet::allowed('cst',$oldsecurl))) {
9352: if ($sec eq '') {
9353: $$logmsg .= &mt('Although your current role has privileges to add students to section "[_1]", you do not have privileges to modify existing enrollments unaffiliated with any section.',$sec).$linefeed;
9354: } else {
9355: $$logmsg .= &mt('Although your current role has privileges to add students to section "[_1]", you do not have privileges to modify existing enrollments in other sections.',$sec).$linefeed;
9356: }
9357: }
9358: }
1.443 albertel 9359: }
9360: } else {
1.626 raeburn 9361: $$logmsg .= &mt('Incomplete course id defined.').$linefeed.&mt('Addition of user [_1] from domain [_2] to course [_3], section [_4] not completed.',$uname,$udom,$one.'_'.$two,$sec).$linefeed;
1.443 albertel 9362: $result = "error: incomplete course id\n";
9363: }
9364: return $result;
9365: }
9366:
9367: ############################################################
9368: ############################################################
9369:
1.566 albertel 9370: sub check_clone {
1.578 raeburn 9371: my ($args,$linefeed) = @_;
1.566 albertel 9372: my $cloneid='/'.$args->{'clonedomain'}.'/'.$args->{'clonecourse'};
9373: my ($clonecrsudom,$clonecrsunum)= &LONCAPA::split_courseid($cloneid);
9374: my $clonehome=&Apache::lonnet::homeserver($clonecrsunum,$clonecrsudom);
9375: my $clonemsg;
9376: my $can_clone = 0;
9377:
9378: if ($clonehome eq 'no_host') {
1.578 raeburn 9379: $clonemsg = &mt('No new course created.').$linefeed.&mt('A new course could not be cloned from the specified original - [_1] - because it is a non-existent course.',$args->{'clonecourse'}.':'.$args->{'clonedomain'});
1.566 albertel 9380: } else {
9381: my %clonedesc = &Apache::lonnet::coursedescription($cloneid,{'one_time' => 1});
1.568 albertel 9382: if ($env{'request.role.domain'} eq $args->{'clonedomain'}) {
1.566 albertel 9383: $can_clone = 1;
9384: } else {
9385: my %clonehash = &Apache::lonnet::get('environment',['cloners'],
9386: $args->{'clonedomain'},$args->{'clonecourse'});
9387: my @cloners = split(/,/,$clonehash{'cloners'});
1.578 raeburn 9388: if (grep(/^\*$/,@cloners)) {
9389: $can_clone = 1;
9390: } elsif (grep(/^\*\:\Q$args->{'ccdomain'}\E$/,@cloners)) {
9391: $can_clone = 1;
9392: } else {
9393: my %roleshash =
9394: &Apache::lonnet::get_my_roles($args->{'ccuname'},
9395: $args->{'ccdomain'},
9396: 'userroles',['active'],['cc'],
9397: [$args->{'clonedomain'}]);
9398: if (($roleshash{$args->{'clonecourse'}.':'.$args->{'clonedomain'}.':cc'}) || (grep(/^\Q$args->{'ccuname'}\E:\Q$args->{'ccdomain'}\E$/,@cloners))) {
9399: $can_clone = 1;
9400: } else {
9401: $clonemsg = &mt('No new course created.').$linefeed.&mt('The new course could not be cloned from the existing course because the new course owner ([_1]) does not have cloning rights in the existing course ([_2]).',$args->{'ccuname'}.':'.$args->{'ccdomain'},$clonedesc{'description'});
9402: }
1.566 albertel 9403: }
1.578 raeburn 9404: }
1.566 albertel 9405: }
9406: return ($can_clone, $clonemsg, $cloneid, $clonehome);
9407: }
9408:
1.444 albertel 9409: sub construct_course {
1.541 raeburn 9410: my ($args,$logmsg,$courseid,$crsudom,$crsunum,$udom,$uname,$context) = @_;
1.444 albertel 9411: my $outcome;
1.541 raeburn 9412: my $linefeed = '<br />'."\n";
9413: if ($context eq 'auto') {
9414: $linefeed = "\n";
9415: }
1.566 albertel 9416:
9417: #
9418: # Are we cloning?
9419: #
9420: my ($can_clone, $clonemsg, $cloneid, $clonehome);
9421: if (($args->{'clonecourse'}) && ($args->{'clonedomain'})) {
1.578 raeburn 9422: ($can_clone, $clonemsg, $cloneid, $clonehome) = &check_clone($args,$linefeed);
1.566 albertel 9423: if ($context ne 'auto') {
1.578 raeburn 9424: if ($clonemsg ne '') {
9425: $clonemsg = '<span class="LC_error">'.$clonemsg.'</span>';
9426: }
1.566 albertel 9427: }
9428: $outcome .= $clonemsg.$linefeed;
9429:
9430: if (!$can_clone) {
9431: return (0,$outcome);
9432: }
9433: }
9434:
1.444 albertel 9435: #
9436: # Open course
9437: #
9438: my $crstype = lc($args->{'crstype'});
9439: my %cenv=();
9440: $$courseid=&Apache::lonnet::createcourse($args->{'course_domain'},
9441: $args->{'cdescr'},
9442: $args->{'curl'},
9443: $args->{'course_home'},
9444: $args->{'nonstandard'},
9445: $args->{'crscode'},
9446: $args->{'ccuname'}.':'.
9447: $args->{'ccdomain'},
9448: $args->{'crstype'});
9449:
9450: # Note: The testing routines depend on this being output; see
9451: # Utils::Course. This needs to at least be output as a comment
9452: # if anyone ever decides to not show this, and Utils::Course::new
9453: # will need to be suitably modified.
1.541 raeburn 9454: $outcome .= &mt('New LON-CAPA [_1] ID: [_2]',$crstype,$$courseid).$linefeed;
1.444 albertel 9455: #
9456: # Check if created correctly
9457: #
1.479 albertel 9458: ($$crsudom,$$crsunum)= &LONCAPA::split_courseid($$courseid);
1.444 albertel 9459: my $crsuhome=&Apache::lonnet::homeserver($$crsunum,$$crsudom);
1.541 raeburn 9460: $outcome .= &mt('Created on').': '.$crsuhome.$linefeed;
1.566 albertel 9461:
1.444 albertel 9462: #
1.566 albertel 9463: # Do the cloning
9464: #
9465: if ($can_clone && $cloneid) {
9466: $clonemsg = &mt('Cloning [_1] from [_2]',$crstype,$clonehome);
9467: if ($context ne 'auto') {
9468: $clonemsg = '<span class="LC_success">'.$clonemsg.'</span>';
9469: }
9470: $outcome .= $clonemsg.$linefeed;
9471: my %oldcenv=&Apache::lonnet::dump('environment',$$crsudom,$$crsunum);
1.444 albertel 9472: # Copy all files
1.637 www 9473: &Apache::lonclonecourse::copycoursefiles($cloneid,$$courseid,$args->{'datemode'},$args->{'dateshift'});
1.444 albertel 9474: # Restore URL
1.566 albertel 9475: $cenv{'url'}=$oldcenv{'url'};
1.444 albertel 9476: # Restore title
1.566 albertel 9477: $cenv{'description'}=$oldcenv{'description'};
1.444 albertel 9478: # Mark as cloned
1.566 albertel 9479: $cenv{'clonedfrom'}=$cloneid;
1.638 www 9480: # Need to clone grading mode
9481: my %newenv=&Apache::lonnet::get('environment',['grading'],$$crsudom,$$crsunum);
9482: $cenv{'grading'}=$newenv{'grading'};
9483: # Do not clone these environment entries
9484: &Apache::lonnet::del('environment',
9485: ['default_enrollment_start_date',
9486: 'default_enrollment_end_date',
9487: 'question.email',
9488: 'policy.email',
9489: 'comment.email',
9490: 'pch.users.denied',
1.725 raeburn 9491: 'plc.users.denied',
9492: 'hidefromcat',
9493: 'categories'],
1.638 www 9494: $$crsudom,$$crsunum);
1.444 albertel 9495: }
1.566 albertel 9496:
1.444 albertel 9497: #
9498: # Set environment (will override cloned, if existing)
9499: #
9500: my @sections = ();
9501: my @xlists = ();
9502: if ($args->{'crstype'}) {
9503: $cenv{'type'}=$args->{'crstype'};
9504: }
9505: if ($args->{'crsid'}) {
9506: $cenv{'courseid'}=$args->{'crsid'};
9507: }
9508: if ($args->{'crscode'}) {
9509: $cenv{'internal.coursecode'}=$args->{'crscode'};
9510: }
9511: if ($args->{'crsquota'} ne '') {
9512: $cenv{'internal.coursequota'}=$args->{'crsquota'};
9513: } else {
9514: $cenv{'internal.coursequota'}=$args->{'crsquota'} = 20;
9515: }
9516: if ($args->{'ccuname'}) {
9517: $cenv{'internal.courseowner'} = $args->{'ccuname'}.
9518: ':'.$args->{'ccdomain'};
9519: } else {
9520: $cenv{'internal.courseowner'} = $args->{'curruser'};
9521: }
9522: my @badclasses = (); # Used to accumulate sections/crosslistings that did not pass classlist access check for course owner.
9523: if ($args->{'crssections'}) {
9524: $cenv{'internal.sectionnums'} = '';
9525: if ($args->{'crssections'} =~ m/,/) {
9526: @sections = split/,/,$args->{'crssections'};
9527: } else {
9528: $sections[0] = $args->{'crssections'};
9529: }
9530: if (@sections > 0) {
9531: foreach my $item (@sections) {
9532: my ($sec,$gp) = split/:/,$item;
9533: my $class = $args->{'crscode'}.$sec;
9534: my $addcheck = &Apache::lonnet::auto_new_course($$crsunum,$$crsudom,$class,$cenv{'internal.courseowner'});
9535: $cenv{'internal.sectionnums'} .= $item.',';
9536: unless ($addcheck eq 'ok') {
9537: push @badclasses, $class;
9538: }
9539: }
9540: $cenv{'internal.sectionnums'} =~ s/,$//;
9541: }
9542: }
9543: # do not hide course coordinator from staff listing,
9544: # even if privileged
9545: $cenv{'nothideprivileged'}=$args->{'ccuname'}.':'.$args->{'ccdomain'};
9546: # add crosslistings
9547: if ($args->{'crsxlist'}) {
9548: $cenv{'internal.crosslistings'}='';
9549: if ($args->{'crsxlist'} =~ m/,/) {
9550: @xlists = split/,/,$args->{'crsxlist'};
9551: } else {
9552: $xlists[0] = $args->{'crsxlist'};
9553: }
9554: if (@xlists > 0) {
9555: foreach my $item (@xlists) {
9556: my ($xl,$gp) = split/:/,$item;
9557: my $addcheck = &Apache::lonnet::auto_new_course($$crsunum,$$crsudom,$xl,$cenv{'internal.courseowner'});
9558: $cenv{'internal.crosslistings'} .= $item.',';
9559: unless ($addcheck eq 'ok') {
9560: push @badclasses, $xl;
9561: }
9562: }
9563: $cenv{'internal.crosslistings'} =~ s/,$//;
9564: }
9565: }
9566: if ($args->{'autoadds'}) {
9567: $cenv{'internal.autoadds'}=$args->{'autoadds'};
9568: }
9569: if ($args->{'autodrops'}) {
9570: $cenv{'internal.autodrops'}=$args->{'autodrops'};
9571: }
9572: # check for notification of enrollment changes
9573: my @notified = ();
9574: if ($args->{'notify_owner'}) {
9575: if ($args->{'ccuname'} ne '') {
9576: push(@notified,$args->{'ccuname'}.':'.$args->{'ccdomain'});
9577: }
9578: }
9579: if ($args->{'notify_dc'}) {
9580: if ($uname ne '') {
1.630 raeburn 9581: push(@notified,$uname.':'.$udom);
1.444 albertel 9582: }
9583: }
9584: if (@notified > 0) {
9585: my $notifylist;
9586: if (@notified > 1) {
9587: $notifylist = join(',',@notified);
9588: } else {
9589: $notifylist = $notified[0];
9590: }
9591: $cenv{'internal.notifylist'} = $notifylist;
9592: }
9593: if (@badclasses > 0) {
9594: my %lt=&Apache::lonlocal::texthash(
9595: 'tclb' => 'The courses listed below were included as sections or crosslistings affiliated with your new LON-CAPA course. However, if automated course roster updates are enabled for this class, these particular sections/crosslistings will not contribute towards enrollment, because the user identified as the course owner for this LON-CAPA course',
9596: 'dnhr' => 'does not have rights to access enrollment in these classes',
9597: 'adby' => 'as determined by the policies of your institution on access to official classlists'
9598: );
1.541 raeburn 9599: my $badclass_msg = $cenv{'internal.courseowner'}.') - '.$lt{'dnhr'}.
9600: ' ('.$lt{'adby'}.')';
9601: if ($context eq 'auto') {
9602: $outcome .= $badclass_msg.$linefeed;
1.566 albertel 9603: $outcome .= '<div class="LC_warning">'.$badclass_msg.$linefeed.'<ul>'."\n";
1.541 raeburn 9604: foreach my $item (@badclasses) {
9605: if ($context eq 'auto') {
9606: $outcome .= " - $item\n";
9607: } else {
9608: $outcome .= "<li>$item</li>\n";
9609: }
9610: }
9611: if ($context eq 'auto') {
9612: $outcome .= $linefeed;
9613: } else {
1.566 albertel 9614: $outcome .= "</ul><br /><br /></div>\n";
1.541 raeburn 9615: }
9616: }
1.444 albertel 9617: }
9618: if ($args->{'no_end_date'}) {
9619: $args->{'endaccess'} = 0;
9620: }
9621: $cenv{'internal.autostart'}=$args->{'enrollstart'};
9622: $cenv{'internal.autoend'}=$args->{'enrollend'};
9623: $cenv{'default_enrollment_start_date'}=$args->{'startaccess'};
9624: $cenv{'default_enrollment_end_date'}=$args->{'endaccess'};
9625: if ($args->{'showphotos'}) {
9626: $cenv{'internal.showphotos'}=$args->{'showphotos'};
9627: }
9628: $cenv{'internal.authtype'} = $args->{'authtype'};
9629: $cenv{'internal.autharg'} = $args->{'autharg'};
9630: if ( ($cenv{'internal.authtype'} =~ /^krb/) && ($cenv{'internal.autoadds'} == 1)) {
9631: if (! defined($cenv{'internal.autharg'}) || $cenv{'internal.autharg'} eq '') {
1.541 raeburn 9632: my $krb_msg = &mt('As you did not include the default Kerberos domain to be used for authentication in this class, the institutional data used by the automated enrollment process must include the Kerberos domain for each new student');
9633: if ($context eq 'auto') {
9634: $outcome .= $krb_msg;
9635: } else {
1.566 albertel 9636: $outcome .= '<span class="LC_error">'.$krb_msg.'</span>';
1.541 raeburn 9637: }
9638: $outcome .= $linefeed;
1.444 albertel 9639: }
9640: }
9641: if (($args->{'ccdomain'}) && ($args->{'ccuname'})) {
9642: if ($args->{'setpolicy'}) {
9643: $cenv{'policy.email'}=$args->{'ccuname'}.':'.$args->{'ccdomain'};
9644: }
9645: if ($args->{'setcontent'}) {
9646: $cenv{'question.email'}=$args->{'ccuname'}.':'.$args->{'ccdomain'};
9647: }
9648: }
9649: if ($args->{'reshome'}) {
9650: $cenv{'reshome'}=$args->{'reshome'}.'/';
9651: $cenv{'reshome'}=~s/\/+$/\//;
9652: }
9653: #
9654: # course has keyed access
9655: #
9656: if ($args->{'setkeys'}) {
9657: $cenv{'keyaccess'}='yes';
9658: }
9659: # if specified, key authority is not course, but user
9660: # only active if keyaccess is yes
9661: if ($args->{'keyauth'}) {
1.487 albertel 9662: my ($user,$domain) = split(':',$args->{'keyauth'});
9663: $user = &LONCAPA::clean_username($user);
9664: $domain = &LONCAPA::clean_username($domain);
1.488 foxr 9665: if ($user ne '' && $domain ne '') {
1.487 albertel 9666: $cenv{'keyauth'}=$user.':'.$domain;
1.444 albertel 9667: }
9668: }
9669:
9670: if ($args->{'disresdis'}) {
9671: $cenv{'pch.roles.denied'}='st';
9672: }
9673: if ($args->{'disablechat'}) {
9674: $cenv{'plc.roles.denied'}='st';
9675: }
9676:
9677: # Record we've not yet viewed the Course Initialization Helper for this
9678: # course
9679: $cenv{'course.helper.not.run'} = 1;
9680: #
9681: # Use new Randomseed
9682: #
9683: $cenv{'rndseed'}=&Apache::lonnet::latest_rnd_algorithm_id();;
9684: $cenv{'receiptalg'}=&Apache::lonnet::latest_receipt_algorithm_id();;
9685: #
9686: # The encryption code and receipt prefix for this course
9687: #
9688: $cenv{'internal.encseed'}=$Apache::lonnet::perlvar{'lonReceipt'}.$$.time.int(rand(9999));
9689: $cenv{'internal.encpref'}=100+int(9*rand(99));
9690: #
9691: # By default, use standard grading
9692: if (!defined($cenv{'grading'})) { $cenv{'grading'} = 'standard'; }
9693:
1.541 raeburn 9694: $outcome .= $linefeed.&mt('Setting environment').': '.
9695: &Apache::lonnet::put('environment',\%cenv,$$crsudom,$$crsunum).$linefeed;
1.444 albertel 9696: #
9697: # Open all assignments
9698: #
9699: if ($args->{'openall'}) {
9700: my $storeunder=$$crsudom.'_'.$$crsunum.'.0.opendate';
9701: my %storecontent = ($storeunder => time,
9702: $storeunder.'.type' => 'date_start');
9703:
9704: $outcome .= &mt('Opening all assignments').': '.&Apache::lonnet::cput
1.541 raeburn 9705: ('resourcedata',\%storecontent,$$crsudom,$$crsunum).$linefeed;
1.444 albertel 9706: }
9707: #
9708: # Set first page
9709: #
9710: unless (($args->{'nonstandard'}) || ($args->{'firstres'} eq 'blank')
9711: || ($cloneid)) {
1.445 albertel 9712: use LONCAPA::map;
1.444 albertel 9713: $outcome .= &mt('Setting first resource').': ';
1.445 albertel 9714:
9715: my $map = '/uploaded/'.$$crsudom.'/'.$$crsunum.'/default.sequence';
9716: my ($errtext,$fatal)=&LONCAPA::map::mapread($map);
9717:
1.444 albertel 9718: $outcome .= ($fatal?$errtext:'read ok').' - ';
9719: my $title; my $url;
9720: if ($args->{'firstres'} eq 'syl') {
1.690 bisitz 9721: $title=&mt('Syllabus');
1.444 albertel 9722: $url='/public/'.$$crsudom.'/'.$$crsunum.'/syllabus';
9723: } else {
1.690 bisitz 9724: $title=&mt('Navigate Contents');
1.444 albertel 9725: $url='/adm/navmaps';
9726: }
1.445 albertel 9727:
9728: $LONCAPA::map::resources[1]=$title.':'.$url.':false:start:res';
9729: (my $outtext,$errtext) = &LONCAPA::map::storemap($map,1);
9730:
9731: if ($errtext) { $fatal=2; }
1.541 raeburn 9732: $outcome .= ($fatal?$errtext:'write ok').$linefeed;
1.444 albertel 9733: }
1.566 albertel 9734:
9735: return (1,$outcome);
1.444 albertel 9736: }
9737:
9738: ############################################################
9739: ############################################################
9740:
1.378 raeburn 9741: sub course_type {
9742: my ($cid) = @_;
9743: if (!defined($cid)) {
9744: $cid = $env{'request.course.id'};
9745: }
1.404 albertel 9746: if (defined($env{'course.'.$cid.'.type'})) {
9747: return $env{'course.'.$cid.'.type'};
1.378 raeburn 9748: } else {
9749: return 'Course';
1.377 raeburn 9750: }
9751: }
1.156 albertel 9752:
1.406 raeburn 9753: sub group_term {
9754: my $crstype = &course_type();
9755: my %names = (
9756: 'Course' => 'group',
9757: 'Group' => 'team',
9758: );
9759: return $names{$crstype};
9760: }
9761:
1.156 albertel 9762: sub icon {
9763: my ($file)=@_;
1.505 albertel 9764: my $curfext = lc((split(/\./,$file))[-1]);
1.168 albertel 9765: my $iconname=$Apache::lonnet::perlvar{'lonIconsURL'}.'/unknown.gif';
1.156 albertel 9766: my $embstyle = &Apache::loncommon::fileembstyle($curfext);
1.168 albertel 9767: if (!(!defined($embstyle) || $embstyle eq 'unk' || $embstyle eq 'hdn')) {
9768: if (-e $Apache::lonnet::perlvar{'lonDocRoot'}.'/'.
9769: $Apache::lonnet::perlvar{'lonIconsURL'}.'/'.
9770: $curfext.".gif") {
9771: $iconname=$Apache::lonnet::perlvar{'lonIconsURL'}.'/'.
9772: $curfext.".gif";
9773: }
9774: }
1.249 albertel 9775: return &lonhttpdurl($iconname);
1.154 albertel 9776: }
1.84 albertel 9777:
1.575 albertel 9778: sub lonhttpdurl {
1.692 www 9779: #
9780: # Had been used for "small fry" static images on separate port 8080.
9781: # Modify here if lightweight http functionality desired again.
9782: # Currently eliminated due to increasing firewall issues.
9783: #
1.575 albertel 9784: my ($url)=@_;
1.692 www 9785: return $url;
1.215 albertel 9786: }
9787:
1.213 albertel 9788: sub connection_aborted {
9789: my ($r)=@_;
9790: $r->print(" ");$r->rflush();
9791: my $c = $r->connection;
9792: return $c->aborted();
9793: }
9794:
1.221 foxr 9795: # Escapes strings that may have embedded 's that will be put into
1.222 foxr 9796: # strings as 'strings'.
9797: sub escape_single {
1.221 foxr 9798: my ($input) = @_;
1.223 albertel 9799: $input =~ s/\\/\\\\/g; # Escape the \'s..(must be first)>
1.221 foxr 9800: $input =~ s/\'/\\\'/g; # Esacpe the 's....
9801: return $input;
9802: }
1.223 albertel 9803:
1.222 foxr 9804: # Same as escape_single, but escape's "'s This
9805: # can be used for "strings"
9806: sub escape_double {
9807: my ($input) = @_;
9808: $input =~ s/\\/\\\\/g; # Escape the /'s..(must be first)>
9809: $input =~ s/\"/\\\"/g; # Esacpe the "s....
9810: return $input;
9811: }
1.223 albertel 9812:
1.222 foxr 9813: # Escapes the last element of a full URL.
9814: sub escape_url {
9815: my ($url) = @_;
1.238 raeburn 9816: my @urlslices = split(/\//, $url,-1);
1.369 www 9817: my $lastitem = &escape(pop(@urlslices));
1.223 albertel 9818: return join('/',@urlslices).'/'.$lastitem;
1.222 foxr 9819: }
1.462 albertel 9820:
9821: # -------------------------------------------------------- Initliaze user login
9822: sub init_user_environment {
1.463 albertel 9823: my ($r, $username, $domain, $authhost, $form, $args) = @_;
1.462 albertel 9824: my $lonids=$Apache::lonnet::perlvar{'lonIDsDir'};
9825:
9826: my $public=($username eq 'public' && $domain eq 'public');
9827:
9828: # See if old ID present, if so, remove
9829:
9830: my ($filename,$cookie,$userroles);
9831: my $now=time;
9832:
9833: if ($public) {
9834: my $max_public=100;
9835: my $oldest;
9836: my $oldest_time=0;
9837: for(my $next=1;$next<=$max_public;$next++) {
9838: if (-e $lonids."/publicuser_$next.id") {
9839: my $mtime=(stat($lonids."/publicuser_$next.id"))[9];
9840: if ($mtime<$oldest_time || !$oldest_time) {
9841: $oldest_time=$mtime;
9842: $oldest=$next;
9843: }
9844: } else {
9845: $cookie="publicuser_$next";
9846: last;
9847: }
9848: }
9849: if (!$cookie) { $cookie="publicuser_$oldest"; }
9850: } else {
1.463 albertel 9851: # if this isn't a robot, kill any existing non-robot sessions
9852: if (!$args->{'robot'}) {
9853: opendir(DIR,$lonids);
9854: while ($filename=readdir(DIR)) {
9855: if ($filename=~/^$username\_\d+\_$domain\_$authhost\.id$/) {
9856: unlink($lonids.'/'.$filename);
9857: }
1.462 albertel 9858: }
1.463 albertel 9859: closedir(DIR);
1.462 albertel 9860: }
9861: # Give them a new cookie
1.463 albertel 9862: my $id = ($args->{'robot'} ? 'robot'.$args->{'robot'}
1.684 www 9863: : $now.$$.int(rand(10000)));
1.463 albertel 9864: $cookie="$username\_$id\_$domain\_$authhost";
1.462 albertel 9865:
9866: # Initialize roles
9867:
9868: $userroles=&Apache::lonnet::rolesinit($domain,$username,$authhost);
9869: }
9870: # ------------------------------------ Check browser type and MathML capability
9871:
9872: my ($httpbrowser,$clientbrowser,$clientversion,$clientmathml,
9873: $clientunicode,$clientos) = &decode_user_agent($r);
9874:
9875: # -------------------------------------- Any accessibility options to remember?
9876: if (($form->{'interface'}) && ($form->{'remember'} eq 'true')) {
9877: foreach my $option ('imagesuppress','appletsuppress',
9878: 'embedsuppress','fontenhance','blackwhite') {
9879: if ($form->{$option} eq 'true') {
9880: &Apache::lonnet::put('environment',{$option => 'on'},
9881: $domain,$username);
9882: } else {
9883: &Apache::lonnet::del('environment',[$option],
9884: $domain,$username);
9885: }
9886: }
9887: }
9888: # ------------------------------------------------------------- Get environment
9889:
9890: my %userenv = &Apache::lonnet::dump('environment',$domain,$username);
9891: my ($tmp) = keys(%userenv);
9892: if ($tmp !~ /^(con_lost|error|no_such_host)/i) {
9893: # default remote control to off
9894: if ($userenv{'remote'} ne 'on') { $userenv{'remote'} = 'off'; }
9895: } else {
9896: undef(%userenv);
9897: }
9898: if (($userenv{'interface'}) && (!$form->{'interface'})) {
9899: $form->{'interface'}=$userenv{'interface'};
9900: }
9901: $env{'environment.remote'}=$userenv{'remote'};
9902: if ($userenv{'texengine'} eq 'ttm') { $clientmathml=1; }
9903:
9904: # --------------- Do not trust query string to be put directly into environment
9905: foreach my $option ('imagesuppress','appletsuppress',
9906: 'embedsuppress','fontenhance','blackwhite',
9907: 'interface','localpath','localres') {
9908: $form->{$option}=~s/[\n\r\=]//gs;
9909: }
9910: # --------------------------------------------------------- Write first profile
9911:
9912: {
9913: my %initial_env =
9914: ("user.name" => $username,
9915: "user.domain" => $domain,
9916: "user.home" => $authhost,
9917: "browser.type" => $clientbrowser,
9918: "browser.version" => $clientversion,
9919: "browser.mathml" => $clientmathml,
9920: "browser.unicode" => $clientunicode,
9921: "browser.os" => $clientos,
9922: "server.domain" => $Apache::lonnet::perlvar{'lonDefDomain'},
9923: "request.course.fn" => '',
9924: "request.course.uri" => '',
9925: "request.course.sec" => '',
9926: "request.role" => 'cm',
9927: "request.role.adv" => $env{'user.adv'},
9928: "request.host" => $ENV{'REMOTE_ADDR'},);
9929:
9930: if ($form->{'localpath'}) {
9931: $initial_env{"browser.localpath"} = $form->{'localpath'};
9932: $initial_env{"browser.localres"} = $form->{'localres'};
9933: }
9934:
9935: if ($public) {
9936: $initial_env{"environment.remote"} = "off";
9937: }
9938: if ($form->{'interface'}) {
9939: $form->{'interface'}=~s/\W//gs;
9940: $initial_env{"browser.interface"} = $form->{'interface'};
9941: $env{'browser.interface'}=$form->{'interface'};
9942: foreach my $option ('imagesuppress','appletsuppress',
9943: 'embedsuppress','fontenhance','blackwhite') {
9944: if (($form->{$option} eq 'true') ||
9945: ($userenv{$option} eq 'on')) {
9946: $initial_env{"browser.$option"} = "on";
9947: }
9948: }
9949: }
9950:
1.724 raeburn 9951: foreach my $tool ('aboutme','blog','portfolio') {
9952: $userenv{'availabletools.'.$tool} =
9953: &Apache::lonnet::usertools_access($username,$domain,$tool,'reload');
9954: }
9955:
1.765 raeburn 9956: foreach my $crstype ('official','unofficial') {
9957: $userenv{'canrequest.'.$crstype} =
9958: &Apache::lonnet::usertools_access($username,$domain,$crstype,
9959: 'reload','requestcourses');
9960: }
9961:
1.462 albertel 9962: $env{'user.environment'} = "$lonids/$cookie.id";
9963:
9964: if (tie(my %disk_env,'GDBM_File',"$lonids/$cookie.id",
9965: &GDBM_WRCREAT(),0640)) {
9966: &_add_to_env(\%disk_env,\%initial_env);
9967: &_add_to_env(\%disk_env,\%userenv,'environment.');
9968: &_add_to_env(\%disk_env,$userroles);
1.463 albertel 9969: if (ref($args->{'extra_env'})) {
9970: &_add_to_env(\%disk_env,$args->{'extra_env'});
9971: }
1.462 albertel 9972: untie(%disk_env);
9973: } else {
1.705 tempelho 9974: &Apache::lonnet::logthis("<span style=\"color:blue;\">WARNING: ".
9975: 'Could not create environment storage in lonauth: '.$!.'</span>');
1.462 albertel 9976: return 'error: '.$!;
9977: }
9978: }
9979: $env{'request.role'}='cm';
9980: $env{'request.role.adv'}=$env{'user.adv'};
9981: $env{'browser.type'}=$clientbrowser;
9982:
9983: return $cookie;
9984:
9985: }
9986:
9987: sub _add_to_env {
9988: my ($idf,$env_data,$prefix) = @_;
1.676 raeburn 9989: if (ref($env_data) eq 'HASH') {
9990: while (my ($key,$value) = each(%$env_data)) {
9991: $idf->{$prefix.$key} = $value;
9992: $env{$prefix.$key} = $value;
9993: }
1.462 albertel 9994: }
9995: }
9996:
1.685 tempelho 9997: # --- Get the symbolic name of a problem and the url
9998: sub get_symb {
9999: my ($request,$silent) = @_;
1.726 raeburn 10000: (my $url=$env{'form.url'}) =~ s-^https?\://($ENV{'SERVER_NAME'}|$ENV{'HTTP_HOST'})--;
1.685 tempelho 10001: my $symb=($env{'form.symb'} ne '' ? $env{'form.symb'} : (&Apache::lonnet::symbread($url)));
10002: if ($symb eq '') {
10003: if (!$silent) {
10004: $request->print("Unable to handle ambiguous references:$url:.");
10005: return ();
10006: }
10007: }
10008: &Apache::lonenc::check_decrypt(\$symb);
10009: return ($symb);
10010: }
10011:
10012: # --------------------------------------------------------------Get annotation
10013:
10014: sub get_annotation {
10015: my ($symb,$enc) = @_;
10016:
10017: my $key = $symb;
10018: if (!$enc) {
10019: $key =
10020: &Apache::lonnet::clutter((&Apache::lonnet::decode_symb($symb))[2]);
10021: }
10022: my %annotation=&Apache::lonnet::get('nohist_annotations',[$key]);
10023: return $annotation{$key};
10024: }
10025:
10026: sub clean_symb {
1.731 raeburn 10027: my ($symb,$delete_enc) = @_;
1.685 tempelho 10028:
10029: &Apache::lonenc::check_decrypt(\$symb);
10030: my $enc = $env{'request.enc'};
1.731 raeburn 10031: if ($delete_enc) {
1.730 raeburn 10032: delete($env{'request.enc'});
10033: }
1.685 tempelho 10034:
10035: return ($symb,$enc);
10036: }
1.462 albertel 10037:
1.41 ng 10038: =pod
10039:
10040: =back
10041:
1.112 bowersj2 10042: =cut
1.41 ng 10043:
1.112 bowersj2 10044: 1;
10045: __END__;
1.41 ng 10046:
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