Annotation of loncom/interface/loncommon.pm, revision 1.679
1.10 albertel 1: # The LearningOnline Network with CAPA
1.1 albertel 2: # a pile of common routines
1.10 albertel 3: #
1.679 ! riegler 4: # $Id: loncommon.pm,v 1.678 2008/09/04 21:22:34 riegler 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;
1.139 matthew 64: use HTML::Entities;
1.334 albertel 65: use Apache::lonhtmlcommon();
66: use Apache::loncoursedata();
1.344 albertel 67: use Apache::lontexconvert();
1.444 albertel 68: use Apache::lonclonecourse();
1.479 albertel 69: use LONCAPA qw(:DEFAULT :match);
1.657 raeburn 70: use DateTime::TimeZone;
1.117 www 71:
1.517 raeburn 72: # ---------------------------------------------- Designs
73: use vars qw(%defaultdesign);
74:
1.22 www 75: my $readit;
76:
1.517 raeburn 77:
1.157 matthew 78: ##
79: ## Global Variables
80: ##
1.46 matthew 81:
1.643 foxr 82:
83: # ----------------------------------------------- SSI with retries:
84: #
85:
86: =pod
87:
1.648 raeburn 88: =head1 Server Side include with retries:
1.643 foxr 89:
90: =over 4
91:
1.648 raeburn 92: =item * &ssi_with_retries(resource,retries form)
1.643 foxr 93:
94: Performs an ssi with some number of retries. Retries continue either
95: until the result is ok or until the retry count supplied by the
96: caller is exhausted.
97:
98: Inputs:
1.648 raeburn 99:
100: =over 4
101:
1.643 foxr 102: resource - Identifies the resource to insert.
1.648 raeburn 103:
1.643 foxr 104: retries - Count of the number of retries allowed.
1.648 raeburn 105:
1.643 foxr 106: form - Hash that identifies the rendering options.
107:
1.648 raeburn 108: =back
109:
110: Returns:
111:
112: =over 4
113:
1.643 foxr 114: content - The content of the response. If retries were exhausted this is empty.
1.648 raeburn 115:
1.643 foxr 116: response - The response from the last attempt (which may or may not have been successful.
117:
1.648 raeburn 118: =back
119:
120: =back
121:
1.643 foxr 122: =cut
123:
124: sub ssi_with_retries {
125: my ($resource, $retries, %form) = @_;
126:
127:
128: my $ok = 0; # True if we got a good response.
129: my $content;
130: my $response;
131:
132: # Try to get the ssi done. within the retries count:
133:
134: do {
135: ($content, $response) = &Apache::lonnet::ssi($resource, %form);
136: $ok = $response->is_success;
1.650 www 137: if (!$ok) {
138: &Apache::lonnet::logthis("Failed ssi_with_retries on $resource: ".$response->is_success.', '.$response->code.', '.$response->message);
139: }
1.643 foxr 140: $retries--;
141: } while (!$ok && ($retries > 0));
142:
143: if (!$ok) {
144: $content = ''; # On error return an empty content.
145: }
146: return ($content, $response);
147:
148: }
149:
150:
151:
1.20 www 152: # ----------------------------------------------- Filetypes/Languages/Copyright
1.12 harris41 153: my %language;
1.124 www 154: my %supported_language;
1.12 harris41 155: my %cprtag;
1.192 taceyjo1 156: my %scprtag;
1.351 www 157: my %fe; my %fd; my %fm;
1.41 ng 158: my %category_extensions;
1.12 harris41 159:
1.46 matthew 160: # ---------------------------------------------- Thesaurus variables
1.144 matthew 161: #
162: # %Keywords:
163: # A hash used by &keyword to determine if a word is considered a keyword.
164: # $thesaurus_db_file
165: # Scalar containing the full path to the thesaurus database.
1.46 matthew 166:
167: my %Keywords;
168: my $thesaurus_db_file;
169:
1.144 matthew 170: #
171: # Initialize values from language.tab, copyright.tab, filetypes.tab,
172: # thesaurus.tab, and filecategories.tab.
173: #
1.18 www 174: BEGIN {
1.46 matthew 175: # Variable initialization
176: $thesaurus_db_file = $Apache::lonnet::perlvar{'lonTabDir'}."/thesaurus.db";
177: #
1.22 www 178: unless ($readit) {
1.12 harris41 179: # ------------------------------------------------------------------- languages
180: {
1.158 raeburn 181: my $langtabfile = $Apache::lonnet::perlvar{'lonTabDir'}.
182: '/language.tab';
183: if ( open(my $fh,"<$langtabfile") ) {
1.356 albertel 184: while (my $line = <$fh>) {
185: next if ($line=~/^\#/);
186: chomp($line);
187: my ($key,$two,$country,$three,$enc,$val,$sup)=(split(/\t/,$line));
1.158 raeburn 188: $language{$key}=$val.' - '.$enc;
189: if ($sup) {
190: $supported_language{$key}=$sup;
191: }
192: }
193: close($fh);
194: }
1.12 harris41 195: }
196: # ------------------------------------------------------------------ copyrights
197: {
1.158 raeburn 198: my $copyrightfile = $Apache::lonnet::perlvar{'lonIncludes'}.
199: '/copyright.tab';
200: if ( open (my $fh,"<$copyrightfile") ) {
1.356 albertel 201: while (my $line = <$fh>) {
202: next if ($line=~/^\#/);
203: chomp($line);
204: my ($key,$val)=(split(/\s+/,$line,2));
1.158 raeburn 205: $cprtag{$key}=$val;
206: }
207: close($fh);
208: }
1.12 harris41 209: }
1.351 www 210: # ----------------------------------------------------------- source copyrights
1.192 taceyjo1 211: {
212: my $sourcecopyrightfile = $Apache::lonnet::perlvar{'lonIncludes'}.
213: '/source_copyright.tab';
214: if ( open (my $fh,"<$sourcecopyrightfile") ) {
1.356 albertel 215: while (my $line = <$fh>) {
216: next if ($line =~ /^\#/);
217: chomp($line);
218: my ($key,$val)=(split(/\s+/,$line,2));
1.192 taceyjo1 219: $scprtag{$key}=$val;
220: }
221: close($fh);
222: }
223: }
1.63 www 224:
1.517 raeburn 225: # -------------------------------------------------------------- default domain designs
1.63 www 226: my $designdir=$Apache::lonnet::perlvar{'lonTabDir'}.'/lonDomColors';
1.517 raeburn 227: my $designfile = $designdir.'/default.tab';
228: if ( open (my $fh,"<$designfile") ) {
229: while (my $line = <$fh>) {
230: next if ($line =~ /^\#/);
231: chomp($line);
232: my ($key,$val)=(split(/\=/,$line));
233: if ($val) { $defaultdesign{$key}=$val; }
234: }
235: close($fh);
1.63 www 236: }
237:
1.15 harris41 238: # ------------------------------------------------------------- file categories
239: {
1.158 raeburn 240: my $categoryfile = $Apache::lonnet::perlvar{'lonTabDir'}.
241: '/filecategories.tab';
242: if ( open (my $fh,"<$categoryfile") ) {
1.356 albertel 243: while (my $line = <$fh>) {
244: next if ($line =~ /^\#/);
245: chomp($line);
246: my ($extension,$category)=(split(/\s+/,$line,2));
1.158 raeburn 247: push @{$category_extensions{lc($category)}},$extension;
248: }
249: close($fh);
250: }
251:
1.15 harris41 252: }
1.12 harris41 253: # ------------------------------------------------------------------ file types
254: {
1.158 raeburn 255: my $typesfile = $Apache::lonnet::perlvar{'lonTabDir'}.
256: '/filetypes.tab';
257: if ( open (my $fh,"<$typesfile") ) {
1.356 albertel 258: while (my $line = <$fh>) {
259: next if ($line =~ /^\#/);
260: chomp($line);
261: my ($ending,$emb,$mime,$descr)=split(/\s+/,$line,4);
1.158 raeburn 262: if ($descr ne '') {
263: $fe{$ending}=lc($emb);
264: $fd{$ending}=$descr;
1.351 www 265: if ($mime ne 'unk') { $fm{$ending}=$mime; }
1.158 raeburn 266: }
267: }
268: close($fh);
269: }
1.12 harris41 270: }
1.22 www 271: &Apache::lonnet::logthis(
1.46 matthew 272: "<font color=yellow>INFO: Read file types</font>");
1.22 www 273: $readit=1;
1.46 matthew 274: } # end of unless($readit)
1.32 matthew 275:
276: }
1.112 bowersj2 277:
1.42 matthew 278: ###############################################################
279: ## HTML and Javascript Helper Functions ##
280: ###############################################################
281:
282: =pod
283:
1.112 bowersj2 284: =head1 HTML and Javascript Functions
1.42 matthew 285:
1.112 bowersj2 286: =over 4
287:
1.648 raeburn 288: =item * &browser_and_searcher_javascript()
1.112 bowersj2 289:
290: X<browsing, javascript>X<searching, javascript>Returns a string
291: containing javascript with two functions, C<openbrowser> and
292: C<opensearcher>. Returned string does not contain E<lt>scriptE<gt>
293: tags.
1.42 matthew 294:
1.648 raeburn 295: =item * &openbrowser(formname,elementname,only,omit) [javascript]
1.42 matthew 296:
297: inputs: formname, elementname, only, omit
298:
299: formname and elementname indicate the name of the html form and name of
300: the element that the results of the browsing selection are to be placed in.
301:
302: Specifying 'only' will restrict the browser to displaying only files
1.185 www 303: with the given extension. Can be a comma separated list.
1.42 matthew 304:
305: Specifying 'omit' will restrict the browser to NOT displaying files
1.185 www 306: with the given extension. Can be a comma separated list.
1.42 matthew 307:
1.648 raeburn 308: =item * &opensearcher(formname,elementname) [javascript]
1.42 matthew 309:
310: Inputs: formname, elementname
311:
312: formname and elementname specify the name of the html form and the name
313: of the element the selection from the search results will be placed in.
1.542 raeburn 314:
1.42 matthew 315: =cut
316:
317: sub browser_and_searcher_javascript {
1.199 albertel 318: my ($mode)=@_;
319: if (!defined($mode)) { $mode='edit'; }
1.453 albertel 320: my $resurl=&escape_single(&lastresurl());
1.42 matthew 321: return <<END;
1.219 albertel 322: // <!-- BEGIN LON-CAPA Internal
1.50 matthew 323: var editbrowser = null;
1.135 albertel 324: function openbrowser(formname,elementname,only,omit,titleelement) {
1.170 www 325: var url = '$resurl/?';
1.42 matthew 326: if (editbrowser == null) {
327: url += 'launch=1&';
328: }
329: url += 'catalogmode=interactive&';
1.199 albertel 330: url += 'mode=$mode&';
1.611 albertel 331: url += 'inhibitmenu=yes&';
1.42 matthew 332: url += 'form=' + formname + '&';
333: if (only != null) {
334: url += 'only=' + only + '&';
1.217 albertel 335: } else {
336: url += 'only=&';
337: }
1.42 matthew 338: if (omit != null) {
339: url += 'omit=' + omit + '&';
1.217 albertel 340: } else {
341: url += 'omit=&';
342: }
1.135 albertel 343: if (titleelement != null) {
344: url += 'titleelement=' + titleelement + '&';
1.217 albertel 345: } else {
346: url += 'titleelement=&';
347: }
1.42 matthew 348: url += 'element=' + elementname + '';
349: var title = 'Browser';
1.435 albertel 350: var options = 'scrollbars=1,resizable=1,menubar=0,toolbar=1,location=1';
1.42 matthew 351: options += ',width=700,height=600';
352: editbrowser = open(url,title,options,'1');
353: editbrowser.focus();
354: }
355: var editsearcher;
1.135 albertel 356: function opensearcher(formname,elementname,titleelement) {
1.42 matthew 357: var url = '/adm/searchcat?';
358: if (editsearcher == null) {
359: url += 'launch=1&';
360: }
361: url += 'catalogmode=interactive&';
1.199 albertel 362: url += 'mode=$mode&';
1.42 matthew 363: url += 'form=' + formname + '&';
1.135 albertel 364: if (titleelement != null) {
365: url += 'titleelement=' + titleelement + '&';
1.217 albertel 366: } else {
367: url += 'titleelement=&';
368: }
1.42 matthew 369: url += 'element=' + elementname + '';
370: var title = 'Search';
1.435 albertel 371: var options = 'scrollbars=1,resizable=1,menubar=0,toolbar=1,location=1';
1.42 matthew 372: options += ',width=700,height=600';
373: editsearcher = open(url,title,options,'1');
374: editsearcher.focus();
375: }
1.219 albertel 376: // END LON-CAPA Internal -->
1.42 matthew 377: END
1.170 www 378: }
379:
380: sub lastresurl {
1.258 albertel 381: if ($env{'environment.lastresurl'}) {
382: return $env{'environment.lastresurl'}
1.170 www 383: } else {
384: return '/res';
385: }
386: }
387:
388: sub storeresurl {
389: my $resurl=&Apache::lonnet::clutter(shift);
390: unless ($resurl=~/^\/res/) { return 0; }
391: $resurl=~s/\/$//;
392: &Apache::lonnet::put('environment',{'lastresurl' => $resurl});
1.646 raeburn 393: &Apache::lonnet::appenv({'environment.lastresurl' => $resurl});
1.170 www 394: return 1;
1.42 matthew 395: }
396:
1.74 www 397: sub studentbrowser_javascript {
1.111 www 398: unless (
1.258 albertel 399: (($env{'request.course.id'}) &&
1.302 albertel 400: (&Apache::lonnet::allowed('srm',$env{'request.course.id'})
401: || &Apache::lonnet::allowed('srm',$env{'request.course.id'}.
402: '/'.$env{'request.course.sec'})
403: ))
1.258 albertel 404: || ($env{'request.role'}=~/^(au|dc|su)/)
1.111 www 405: ) { return ''; }
1.74 www 406: return (<<'ENDSTDBRW');
407: <script type="text/javascript" language="Javascript" >
408: var stdeditbrowser;
1.558 albertel 409: function openstdbrowser(formname,uname,udom,roleflag,ignorefilter) {
1.74 www 410: var url = '/adm/pickstudent?';
411: var filter;
1.558 albertel 412: if (!ignorefilter) {
413: eval('filter=document.'+formname+'.'+uname+'.value;');
414: }
1.74 www 415: if (filter != null) {
416: if (filter != '') {
417: url += 'filter='+filter+'&';
418: }
419: }
420: url += 'form=' + formname + '&unameelement='+uname+
421: '&udomelement='+udom;
1.111 www 422: if (roleflag) { url+="&roles=1"; }
1.102 www 423: var title = 'Student_Browser';
1.74 www 424: var options = 'scrollbars=1,resizable=1,menubar=0';
425: options += ',width=700,height=600';
426: stdeditbrowser = open(url,title,options,'1');
427: stdeditbrowser.focus();
428: }
429: </script>
430: ENDSTDBRW
431: }
1.42 matthew 432:
1.74 www 433: sub selectstudent_link {
1.111 www 434: my ($form,$unameele,$udomele)=@_;
1.258 albertel 435: if ($env{'request.course.id'}) {
1.302 albertel 436: if (!&Apache::lonnet::allowed('srm',$env{'request.course.id'})
437: && !&Apache::lonnet::allowed('srm',$env{'request.course.id'}.
438: '/'.$env{'request.course.sec'})) {
1.111 www 439: return '';
440: }
441: return "<a href='".'javascript:openstdbrowser("'.$form.'","'.$unameele.
1.607 albertel 442: '","'.$udomele.'");'."'>".&mt('Select User')."</a>";
1.74 www 443: }
1.258 albertel 444: if ($env{'request.role'}=~/^(au|dc|su)/) {
1.111 www 445: return "<a href='".'javascript:openstdbrowser("'.$form.'","'.$unameele.
1.119 www 446: '","'.$udomele.'",1);'."'>".&mt('Select User')."</a>";
1.111 www 447: }
448: return '';
1.91 www 449: }
450:
1.653 raeburn 451: sub authorbrowser_javascript {
452: return <<"ENDAUTHORBRW";
453: <script type="text/javascript">
454: var stdeditbrowser;
455:
456: function openauthorbrowser(formname,udom) {
457: var url = '/adm/pickauthor?';
458: url += 'form='+formname+'&roledom='+udom;
459: var title = 'Author_Browser';
460: var options = 'scrollbars=1,resizable=1,menubar=0';
461: options += ',width=700,height=600';
462: stdeditbrowser = open(url,title,options,'1');
463: stdeditbrowser.focus();
464: }
465:
466: </script>
467: ENDAUTHORBRW
468: }
469:
1.91 www 470: sub coursebrowser_javascript {
1.468 raeburn 471: my ($domainfilter,$sec_element,$formname)=@_;
1.377 raeburn 472: 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 473: my $output = '
1.538 albertel 474: <script type="text/javascript">
1.468 raeburn 475: var stdeditbrowser;'."\n";
476: $output .= <<"ENDSTDBRW";
1.377 raeburn 477: function opencrsbrowser(formname,uname,udom,desc,extra_element,multflag,crstype) {
1.91 www 478: var url = '/adm/pickcourse?';
1.468 raeburn 479: var domainfilter = '';
480: var formid = getFormIdByName(formname);
481: if (formid > -1) {
482: var domid = getIndexByName(formid,udom);
483: if (domid > -1) {
484: if (document.forms[formid].elements[domid].type == 'select-one') {
485: domainfilter=document.forms[formid].elements[domid].options[document.forms[formid].elements[domid].selectedIndex].value;
486: }
487: if (document.forms[formid].elements[domid].type == 'hidden') {
488: domainfilter=document.forms[formid].elements[domid].value;
489: }
490: }
1.91 www 491: }
1.128 albertel 492: if (domainfilter != null) {
493: if (domainfilter != '') {
494: url += 'domainfilter='+domainfilter+'&';
495: }
496: }
1.91 www 497: url += 'form=' + formname + '&cnumelement='+uname+
1.187 albertel 498: '&cdomelement='+udom+
499: '&cnameelement='+desc;
1.468 raeburn 500: if (extra_element !=null && extra_element != '') {
1.594 raeburn 501: if (formname == 'rolechoice' || formname == 'studentform') {
1.468 raeburn 502: url += '&roleelement='+extra_element;
503: if (domainfilter == null || domainfilter == '') {
504: url += '&domainfilter='+extra_element;
505: }
1.234 raeburn 506: }
1.468 raeburn 507: else {
508: if (formname == 'portform') {
509: url += '&setroles='+extra_element;
510: }
511: }
1.230 raeburn 512: }
1.293 raeburn 513: if (multflag !=null && multflag != '') {
514: url += '&multiple='+multflag;
515: }
1.377 raeburn 516: if (crstype == 'Course/Group') {
517: if (formname == 'cu') {
518: crstype = document.cu.crstype.options[document.cu.crstype.selectedIndex].value;
519: if (crstype == "") {
520: alert("$crs_or_grp_alert");
521: return;
522: }
523: }
524: }
525: if (crstype !=null && crstype != '') {
526: url += '&type='+crstype;
527: }
1.102 www 528: var title = 'Course_Browser';
1.91 www 529: var options = 'scrollbars=1,resizable=1,menubar=0';
530: options += ',width=700,height=600';
531: stdeditbrowser = open(url,title,options,'1');
532: stdeditbrowser.focus();
533: }
1.468 raeburn 534:
535: function getFormIdByName(formname) {
536: for (var i=0;i<document.forms.length;i++) {
537: if (document.forms[i].name == formname) {
538: return i;
539: }
540: }
541: return -1;
542: }
543:
544: function getIndexByName(formid,item) {
545: for (var i=0;i<document.forms[formid].elements.length;i++) {
546: if (document.forms[formid].elements[i].name == item) {
547: return i;
548: }
549: }
550: return -1;
551: }
1.91 www 552: ENDSTDBRW
1.468 raeburn 553: if ($sec_element ne '') {
554: $output .= &setsec_javascript($sec_element,$formname);
555: }
556: $output .= '
557: </script>';
558: return $output;
559: }
560:
561: sub setsec_javascript {
562: my ($sec_element,$formname) = @_;
563: my $setsections = qq|
564: function setSect(sectionlist) {
1.629 raeburn 565: var sectionsArray = new Array();
566: if ((sectionlist != '') && (typeof sectionlist != "undefined")) {
567: sectionsArray = sectionlist.split(",");
568: }
1.468 raeburn 569: var numSections = sectionsArray.length;
570: document.$formname.$sec_element.length = 0;
571: if (numSections == 0) {
572: document.$formname.$sec_element.multiple=false;
573: document.$formname.$sec_element.size=1;
574: document.$formname.$sec_element.options[0] = new Option('No existing sections','',false,false)
575: } else {
576: if (numSections == 1) {
577: document.$formname.$sec_element.multiple=false;
578: document.$formname.$sec_element.size=1;
579: document.$formname.$sec_element.options[0] = new Option('Select','',true,true);
580: document.$formname.$sec_element.options[1] = new Option('No section','',false,false)
581: document.$formname.$sec_element.options[2] = new Option(sectionsArray[0],sectionsArray[0],false,false);
582: } else {
583: for (var i=0; i<numSections; i++) {
584: document.$formname.$sec_element.options[i] = new Option(sectionsArray[i],sectionsArray[i],false,false)
585: }
586: document.$formname.$sec_element.multiple=true
587: if (numSections < 3) {
588: document.$formname.$sec_element.size=numSections;
589: } else {
590: document.$formname.$sec_element.size=3;
591: }
592: document.$formname.$sec_element.options[0].selected = false
593: }
594: }
1.91 www 595: }
1.468 raeburn 596: |;
597: return $setsections;
598: }
599:
1.91 www 600:
601: sub selectcourse_link {
1.377 raeburn 602: my ($form,$unameele,$udomele,$desc,$extra_element,$multflag,$selecttype)=@_;
1.492 albertel 603: return "<a href='".'javascript:opencrsbrowser("'.$form.'","'.$unameele.
604: '","'.$udomele.'","'.$desc.'","'.$extra_element.'","'.$multflag.'","'.$selecttype.'");'."'>".&mt('Select Course')."</a>";
1.74 www 605: }
1.42 matthew 606:
1.653 raeburn 607: sub selectauthor_link {
608: my ($form,$udom)=@_;
609: return '<a href="javascript:openauthorbrowser('."'$form','$udom'".');">'.
610: &mt('Select Author').'</a>';
611: }
612:
1.273 raeburn 613: sub check_uncheck_jscript {
614: my $jscript = <<"ENDSCRT";
615: function checkAll(field) {
616: if (field.length > 0) {
617: for (i = 0; i < field.length; i++) {
618: field[i].checked = true ;
619: }
620: } else {
621: field.checked = true
622: }
623: }
624:
625: function uncheckAll(field) {
626: if (field.length > 0) {
627: for (i = 0; i < field.length; i++) {
628: field[i].checked = false ;
1.543 albertel 629: }
630: } else {
1.273 raeburn 631: field.checked = false ;
632: }
633: }
634: ENDSCRT
635: return $jscript;
636: }
637:
1.656 www 638: sub select_timezone {
1.659 raeburn 639: my ($name,$selected,$onchange,$includeempty)=@_;
640: my $output='<select name="'.$name.'" '.$onchange.'>'."\n";
641: if ($includeempty) {
642: $output .= '<option value=""';
643: if (($selected eq '') || ($selected eq 'local')) {
644: $output .= ' selected="selected" ';
645: }
646: $output .= '> </option>';
647: }
1.657 raeburn 648: my @timezones = DateTime::TimeZone->all_names;
649: foreach my $tzone (@timezones) {
650: $output.= '<option value="'.$tzone.'"';
651: if ($tzone eq $selected) {
652: $output.=' selected="selected"';
653: }
654: $output.=">$tzone</option>\n";
1.656 www 655: }
656: $output.="</select>";
657: return $output;
658: }
1.273 raeburn 659:
1.42 matthew 660: =pod
1.36 matthew 661:
1.648 raeburn 662: =item * &linked_select_forms(...)
1.36 matthew 663:
664: linked_select_forms returns a string containing a <script></script> block
665: and html for two <select> menus. The select menus will be linked in that
666: changing the value of the first menu will result in new values being placed
667: in the second menu. The values in the select menu will appear in alphabetical
1.609 raeburn 668: order unless a defined order is provided.
1.36 matthew 669:
670: linked_select_forms takes the following ordered inputs:
671:
672: =over 4
673:
1.112 bowersj2 674: =item * $formname, the name of the <form> tag
1.36 matthew 675:
1.112 bowersj2 676: =item * $middletext, the text which appears between the <select> tags
1.36 matthew 677:
1.112 bowersj2 678: =item * $firstdefault, the default value for the first menu
1.36 matthew 679:
1.112 bowersj2 680: =item * $firstselectname, the name of the first <select> tag
1.36 matthew 681:
1.112 bowersj2 682: =item * $secondselectname, the name of the second <select> tag
1.36 matthew 683:
1.112 bowersj2 684: =item * $hashref, a reference to a hash containing the data for the menus.
1.36 matthew 685:
1.609 raeburn 686: =item * $menuorder, the order of values in the first menu
687:
1.41 ng 688: =back
689:
1.36 matthew 690: Below is an example of such a hash. Only the 'text', 'default', and
691: 'select2' keys must appear as stated. keys(%menu) are the possible
692: values for the first select menu. The text that coincides with the
1.41 ng 693: first menu value is given in $menu{$choice1}->{'text'}. The values
1.36 matthew 694: and text for the second menu are given in the hash pointed to by
695: $menu{$choice1}->{'select2'}.
696:
1.112 bowersj2 697: my %menu = ( A1 => { text =>"Choice A1" ,
698: default => "B3",
699: select2 => {
700: B1 => "Choice B1",
701: B2 => "Choice B2",
702: B3 => "Choice B3",
703: B4 => "Choice B4"
1.609 raeburn 704: },
705: order => ['B4','B3','B1','B2'],
1.112 bowersj2 706: },
707: A2 => { text =>"Choice A2" ,
708: default => "C2",
709: select2 => {
710: C1 => "Choice C1",
711: C2 => "Choice C2",
712: C3 => "Choice C3"
1.609 raeburn 713: },
714: order => ['C2','C1','C3'],
1.112 bowersj2 715: },
716: A3 => { text =>"Choice A3" ,
717: default => "D6",
718: select2 => {
719: D1 => "Choice D1",
720: D2 => "Choice D2",
721: D3 => "Choice D3",
722: D4 => "Choice D4",
723: D5 => "Choice D5",
724: D6 => "Choice D6",
725: D7 => "Choice D7"
1.609 raeburn 726: },
727: order => ['D4','D3','D2','D1','D7','D6','D5'],
1.112 bowersj2 728: }
729: );
1.36 matthew 730:
731: =cut
732:
733: sub linked_select_forms {
734: my ($formname,
735: $middletext,
736: $firstdefault,
737: $firstselectname,
738: $secondselectname,
1.609 raeburn 739: $hashref,
740: $menuorder,
1.36 matthew 741: ) = @_;
742: my $second = "document.$formname.$secondselectname";
743: my $first = "document.$formname.$firstselectname";
744: # output the javascript to do the changing
745: my $result = '';
1.219 albertel 746: $result.="<script type=\"text/javascript\">\n";
1.36 matthew 747: $result.="var select2data = new Object();\n";
748: $" = '","';
749: my $debug = '';
750: foreach my $s1 (sort(keys(%$hashref))) {
751: $result.="select2data.d_$s1 = new Object();\n";
752: $result.="select2data.d_$s1.def = new String('".
753: $hashref->{$s1}->{'default'}."');\n";
1.609 raeburn 754: $result.="select2data.d_$s1.values = new Array(";
1.36 matthew 755: my @s2values = sort(keys( %{ $hashref->{$s1}->{'select2'} } ));
1.609 raeburn 756: if (ref($hashref->{$s1}->{'order'}) eq 'ARRAY') {
757: @s2values = @{$hashref->{$s1}->{'order'}};
758: }
1.36 matthew 759: $result.="\"@s2values\");\n";
760: $result.="select2data.d_$s1.texts = new Array(";
761: my @s2texts;
762: foreach my $value (@s2values) {
763: push @s2texts, $hashref->{$s1}->{'select2'}->{$value};
764: }
765: $result.="\"@s2texts\");\n";
766: }
767: $"=' ';
768: $result.= <<"END";
769:
770: function select1_changed() {
771: // Determine new choice
772: var newvalue = "d_" + $first.value;
773: // update select2
774: var values = select2data[newvalue].values;
775: var texts = select2data[newvalue].texts;
776: var select2def = select2data[newvalue].def;
777: var i;
778: // out with the old
779: for (i = 0; i < $second.options.length; i++) {
780: $second.options[i] = null;
781: }
782: // in with the nuclear
783: for (i=0;i<values.length; i++) {
784: $second.options[i] = new Option(values[i]);
1.143 matthew 785: $second.options[i].value = values[i];
1.36 matthew 786: $second.options[i].text = texts[i];
787: if (values[i] == select2def) {
788: $second.options[i].selected = true;
789: }
790: }
791: }
792: </script>
793: END
794: # output the initial values for the selection lists
795: $result .= "<select size=\"1\" name=\"$firstselectname\" onchange=\"select1_changed()\">\n";
1.609 raeburn 796: my @order = sort(keys(%{$hashref}));
797: if (ref($menuorder) eq 'ARRAY') {
798: @order = @{$menuorder};
799: }
800: foreach my $value (@order) {
1.36 matthew 801: $result.=" <option value=\"$value\" ";
1.253 albertel 802: $result.=" selected=\"selected\" " if ($value eq $firstdefault);
1.119 www 803: $result.=">".&mt($hashref->{$value}->{'text'})."</option>\n";
1.36 matthew 804: }
805: $result .= "</select>\n";
806: my %select2 = %{$hashref->{$firstdefault}->{'select2'}};
807: $result .= $middletext;
808: $result .= "<select size=\"1\" name=\"$secondselectname\">\n";
809: my $seconddefault = $hashref->{$firstdefault}->{'default'};
1.609 raeburn 810:
811: my @secondorder = sort(keys(%select2));
812: if (ref($hashref->{$firstdefault}->{'order'}) eq 'ARRAY') {
813: @secondorder = @{$hashref->{$firstdefault}->{'order'}};
814: }
815: foreach my $value (@secondorder) {
1.36 matthew 816: $result.=" <option value=\"$value\" ";
1.253 albertel 817: $result.=" selected=\"selected\" " if ($value eq $seconddefault);
1.119 www 818: $result.=">".&mt($select2{$value})."</option>\n";
1.36 matthew 819: }
820: $result .= "</select>\n";
821: # return $debug;
822: return $result;
823: } # end of sub linked_select_forms {
824:
1.45 matthew 825: =pod
1.44 bowersj2 826:
1.648 raeburn 827: =item * &help_open_topic($topic,$text,$stayOnPage,$width,$height)
1.44 bowersj2 828:
1.112 bowersj2 829: Returns a string corresponding to an HTML link to the given help
830: $topic, where $topic corresponds to the name of a .tex file in
831: /home/httpd/html/adm/help/tex, with underscores replaced by
832: spaces.
833:
834: $text will optionally be linked to the same topic, allowing you to
835: link text in addition to the graphic. If you do not want to link
836: text, but wish to specify one of the later parameters, pass an
837: empty string.
838:
839: $stayOnPage is a value that will be interpreted as a boolean. If true,
840: the link will not open a new window. If false, the link will open
841: a new window using Javascript. (Default is false.)
842:
843: $width and $height are optional numerical parameters that will
844: override the width and height of the popped up window, which may
845: be useful for certain help topics with big pictures included.
1.44 bowersj2 846:
847: =cut
848:
849: sub help_open_topic {
1.48 bowersj2 850: my ($topic, $text, $stayOnPage, $width, $height) = @_;
851: $text = "" if (not defined $text);
1.44 bowersj2 852: $stayOnPage = 0 if (not defined $stayOnPage);
1.552 banghart 853: if ($env{'browser.interface'} eq 'textual') {
1.79 www 854: $stayOnPage=1;
855: }
1.44 bowersj2 856: $width = 350 if (not defined $width);
857: $height = 400 if (not defined $height);
858: my $filename = $topic;
859: $filename =~ s/ /_/g;
860:
1.48 bowersj2 861: my $template = "";
862: my $link;
1.572 banghart 863:
1.159 www 864: $topic=~s/\W/\_/g;
1.44 bowersj2 865:
1.572 banghart 866: if (!$stayOnPage) {
1.72 bowersj2 867: $link = "javascript:void(open('/adm/help/${filename}.hlp', 'Help_for_$topic', 'menubar=0,toolbar=1,scrollbars=1,width=$width,height=$height,resizable=yes'))";
1.572 banghart 868: } else {
1.48 bowersj2 869: $link = "/adm/help/${filename}.hlp";
870: }
871:
872: # Add the text
1.572 banghart 873: if ($text ne "") {
1.77 www 874: $template .=
1.572 banghart 875: "<table bgcolor='#3333AA' cellspacing='1' cellpadding='1' border='0'><tr>".
876: "<td bgcolor='#5555FF'><a target=\"_top\" href=\"$link\"><font color='#FFFFFF' size='2'>$text</font></a>";
1.48 bowersj2 877: }
878:
879: # Add the graphic
1.179 matthew 880: my $title = &mt('Online Help');
1.667 raeburn 881: my $helpicon=&lonhttpdurl("/adm/help/help.png");
1.48 bowersj2 882: $template .= <<"ENDTEMPLATE";
1.436 albertel 883: <a target="_top" href="$link" title="$title"><img src="$helpicon" border="0" alt="(Help: $topic)" /></a>
1.44 bowersj2 884: ENDTEMPLATE
1.78 www 885: if ($text ne '') { $template.='</td></tr></table>' };
1.44 bowersj2 886: return $template;
887:
1.106 bowersj2 888: }
889:
890: # This is a quicky function for Latex cheatsheet editing, since it
891: # appears in at least four places
892: sub helpLatexCheatsheet {
893: my $other = shift;
894: my $addOther = '';
895: if ($other) {
896: $addOther = Apache::loncommon::help_open_topic($other, shift,
897: undef, undef, 600) .
898: '</td><td>';
899: }
900: return '<table><tr><td>'.
901: $addOther .
1.636 raeburn 902: &Apache::loncommon::help_open_topic("Greek_Symbols",&mt('Greek Symbols'),
1.106 bowersj2 903: undef,undef,600)
904: .'</td><td>'.
1.636 raeburn 905: &Apache::loncommon::help_open_topic("Other_Symbols",&mt('Other Symbols'),
1.106 bowersj2 906: undef,undef,600)
1.673 felicia 907: .'</td><td>'.
908: &Apache::loncommon::help_open_topic("Authoring_Output_Tags",&mt('Output Tags'),
909: undef,undef,600)
1.106 bowersj2 910: .'</td></tr></table>';
1.172 www 911: }
912:
1.430 albertel 913: sub general_help {
914: my $helptopic='Student_Intro';
915: if ($env{'request.role'}=~/^(ca|au)/) {
916: $helptopic='Authoring_Intro';
917: } elsif ($env{'request.role'}=~/^cc/) {
918: $helptopic='Course_Coordination_Intro';
1.672 raeburn 919: } elsif ($env{'request.role'}=~/^dc/) {
920: $helptopic='Domain_Coordination_Intro';
1.430 albertel 921: }
922: return $helptopic;
923: }
924:
925: sub update_help_link {
926: my ($topic,$component_help,$faq,$bug,$stayOnPage) = @_;
927: my $origurl = $ENV{'REQUEST_URI'};
928: $origurl=~s|^/~|/priv/|;
929: my $timestamp = time;
930: foreach my $datum (\$topic,\$component_help,\$faq,\$bug,\$origurl) {
931: $$datum = &escape($$datum);
932: }
933:
934: my $banner_link = "/adm/helpmenu?page=banner&topic=$topic&component_help=$component_help&faq=$faq&bug=$bug&origurl=$origurl&stamp=$timestamp&stayonpage=$stayOnPage";
935: my $output .= <<"ENDOUTPUT";
936: <script type="text/javascript">
937: banner_link = '$banner_link';
938: </script>
939: ENDOUTPUT
940: return $output;
941: }
942:
943: # now just updates the help link and generates a blue icon
1.193 raeburn 944: sub help_open_menu {
1.430 albertel 945: my ($topic,$component_help,$faq,$bug,$stayOnPage,$width,$height,$text)
1.552 banghart 946: = @_;
1.430 albertel 947: $stayOnPage = 0 if (not defined $stayOnPage);
1.572 banghart 948: # only use pop-up help (stayOnPage == 0)
1.552 banghart 949: # if environment.remote is on (using remote control UI)
1.572 banghart 950: if ($env{'browser.interface'} eq 'textual' ||
951: $env{'environment.remote'} eq 'off' ) {
1.552 banghart 952: $stayOnPage=1;
1.430 albertel 953: }
954: my $output;
955: if ($component_help) {
956: if (!$text) {
957: $output=&help_open_topic($component_help,undef,$stayOnPage,
958: $width,$height);
959: } else {
960: my $help_text;
961: $help_text=&unescape($topic);
962: $output='<table><tr><td>'.
963: &help_open_topic($component_help,$help_text,$stayOnPage,
964: $width,$height).'</td></tr></table>';
965: }
966: }
967: my $banner_link = &update_help_link($topic,$component_help,$faq,$bug,$stayOnPage);
968: return $output.$banner_link;
969: }
970:
971: sub top_nav_help {
972: my ($text) = @_;
1.436 albertel 973: $text = &mt($text);
1.572 banghart 974: my $stay_on_page =
1.436 albertel 975: ($env{'browser.interface'} eq 'textual' ||
976: $env{'environment.remote'} eq 'off' );
1.572 banghart 977: my $link = ($stay_on_page) ? "javascript:helpMenu('display')"
1.436 albertel 978: : "javascript:helpMenu('open')";
1.572 banghart 979: my $banner_link = &update_help_link(undef,undef,undef,undef,$stay_on_page);
1.436 albertel 980:
1.201 raeburn 981: my $title = &mt('Get help');
1.436 albertel 982:
983: return <<"END";
984: $banner_link
985: <a href="$link" title="$title">$text</a>
986: END
987: }
988:
989: sub help_menu_js {
990: my ($text) = @_;
991:
992: my $stayOnPage =
993: ($env{'browser.interface'} eq 'textual' ||
994: $env{'environment.remote'} eq 'off' );
995:
996: my $width = 620;
997: my $height = 600;
1.430 albertel 998: my $helptopic=&general_help();
999: my $details_link = '/adm/help/'.$helptopic.'.hlp';
1.261 albertel 1000: my $nothing=&Apache::lonhtmlcommon::javascript_nothing();
1.331 albertel 1001: my $start_page =
1002: &Apache::loncommon::start_page('Help Menu', undef,
1003: {'frameset' => 1,
1004: 'js_ready' => 1,
1005: 'add_entries' => {
1006: 'border' => '0',
1.579 raeburn 1007: 'rows' => "110,*",},});
1.331 albertel 1008: my $end_page =
1009: &Apache::loncommon::end_page({'frameset' => 1,
1010: 'js_ready' => 1,});
1011:
1.436 albertel 1012: my $template .= <<"ENDTEMPLATE";
1013: <script type="text/javascript">
1.253 albertel 1014: // <!-- BEGIN LON-CAPA Internal
1015: // <![CDATA[
1.430 albertel 1016: var banner_link = '';
1.243 raeburn 1017: function helpMenu(target) {
1018: var caller = this;
1019: if (target == 'open') {
1020: var newWindow = null;
1021: try {
1.262 albertel 1022: newWindow = window.open($nothing,"helpmenu","HEIGHT=$height,WIDTH=$width,resizable=yes,scrollbars=yes" )
1.243 raeburn 1023: }
1024: catch(error) {
1025: writeHelp(caller);
1026: return;
1027: }
1028: if (newWindow) {
1029: caller = newWindow;
1030: }
1.193 raeburn 1031: }
1.243 raeburn 1032: writeHelp(caller);
1033: return;
1034: }
1035: function writeHelp(caller) {
1.430 albertel 1036: caller.document.writeln('$start_page<frame name="bannerframe" src="'+banner_link+'" /><frame name="bodyframe" src="$details_link" /> $end_page')
1.243 raeburn 1037: caller.document.close()
1038: caller.focus()
1.193 raeburn 1039: }
1.253 albertel 1040: // ]]>
1.219 albertel 1041: // END LON-CAPA Internal -->
1.436 albertel 1042: </script>
1.193 raeburn 1043: ENDTEMPLATE
1044: return $template;
1045: }
1046:
1.172 www 1047: sub help_open_bug {
1048: my ($topic, $text, $stayOnPage, $width, $height) = @_;
1.258 albertel 1049: unless ($env{'user.adv'}) { return ''; }
1.172 www 1050: unless ($Apache::lonnet::perlvar{'BugzillaHost'}) { return ''; }
1051: $text = "" if (not defined $text);
1052: $stayOnPage = 0 if (not defined $stayOnPage);
1.258 albertel 1053: if ($env{'browser.interface'} eq 'textual' ||
1054: $env{'environment.remote'} eq 'off' ) {
1.172 www 1055: $stayOnPage=1;
1056: }
1.184 albertel 1057: $width = 600 if (not defined $width);
1058: $height = 600 if (not defined $height);
1.172 www 1059:
1060: $topic=~s/\W+/\+/g;
1061: my $link='';
1062: my $template='';
1.379 albertel 1063: my $url=$Apache::lonnet::perlvar{'BugzillaHost'}.'enter_bug.cgi?product=LON-CAPA&bug_file_loc='.
1064: &escape($ENV{'REQUEST_URI'}).'&component='.$topic;
1.172 www 1065: if (!$stayOnPage)
1066: {
1067: $link = "javascript:void(open('$url', 'Bugzilla', 'menubar=0,toolbar=1,scrollbars=1,width=$width,height=$height,resizable=yes'))";
1068: }
1069: else
1070: {
1071: $link = $url;
1072: }
1073: # Add the text
1074: if ($text ne "")
1075: {
1076: $template .=
1077: "<table bgcolor='#AA3333' cellspacing='1' cellpadding='1' border='0'><tr>".
1.436 albertel 1078: "<td bgcolor='#FF5555'><a target=\"_top\" href=\"$link\"><font color='#FFFFFF' size='2'>$text</font></a>";
1.172 www 1079: }
1080:
1081: # Add the graphic
1.179 matthew 1082: my $title = &mt('Report a Bug');
1.215 albertel 1083: my $bugicon=&lonhttpdurl("/adm/lonMisc/smallBug.gif");
1.172 www 1084: $template .= <<"ENDTEMPLATE";
1.436 albertel 1085: <a target="_top" href="$link" title="$title"><img src="$bugicon" border="0" alt="(Bug: $topic)" /></a>
1.172 www 1086: ENDTEMPLATE
1087: if ($text ne '') { $template.='</td></tr></table>' };
1088: return $template;
1089:
1090: }
1091:
1092: sub help_open_faq {
1093: my ($topic, $text, $stayOnPage, $width, $height) = @_;
1.258 albertel 1094: unless ($env{'user.adv'}) { return ''; }
1.172 www 1095: unless ($Apache::lonnet::perlvar{'FAQHost'}) { return ''; }
1096: $text = "" if (not defined $text);
1097: $stayOnPage = 0 if (not defined $stayOnPage);
1.258 albertel 1098: if ($env{'browser.interface'} eq 'textual' ||
1099: $env{'environment.remote'} eq 'off' ) {
1.172 www 1100: $stayOnPage=1;
1101: }
1102: $width = 350 if (not defined $width);
1103: $height = 400 if (not defined $height);
1104:
1105: $topic=~s/\W+/\+/g;
1106: my $link='';
1107: my $template='';
1108: my $url=$Apache::lonnet::perlvar{'FAQHost'}.'/fom/cache/'.$topic.'.html';
1109: if (!$stayOnPage)
1110: {
1111: $link = "javascript:void(open('$url', 'FAQ-O-Matic', 'menubar=0,toolbar=1,scrollbars=1,width=$width,height=$height,resizable=yes'))";
1112: }
1113: else
1114: {
1115: $link = $url;
1116: }
1117:
1118: # Add the text
1119: if ($text ne "")
1120: {
1121: $template .=
1.173 www 1122: "<table bgcolor='#337733' cellspacing='1' cellpadding='1' border='0'><tr>".
1.436 albertel 1123: "<td bgcolor='#448844'><a target=\"_top\" href=\"$link\"><font color='#FFFFFF' size='2'>$text</font></a>";
1.172 www 1124: }
1125:
1126: # Add the graphic
1.179 matthew 1127: my $title = &mt('View the FAQ');
1.215 albertel 1128: my $faqicon=&lonhttpdurl("/adm/lonMisc/smallFAQ.gif");
1.172 www 1129: $template .= <<"ENDTEMPLATE";
1.436 albertel 1130: <a target="_top" href="$link" title="$title"><img src="$faqicon" border="0" alt="(FAQ: $topic)" /></a>
1.172 www 1131: ENDTEMPLATE
1132: if ($text ne '') { $template.='</td></tr></table>' };
1133: return $template;
1134:
1.44 bowersj2 1135: }
1.37 matthew 1136:
1.180 matthew 1137: ###############################################################
1138: ###############################################################
1139:
1.45 matthew 1140: =pod
1141:
1.648 raeburn 1142: =item * &change_content_javascript():
1.256 matthew 1143:
1144: This and the next function allow you to create small sections of an
1145: otherwise static HTML page that you can update on the fly with
1146: Javascript, even in Netscape 4.
1147:
1148: The Javascript fragment returned by this function (no E<lt>scriptE<gt> tag)
1149: must be written to the HTML page once. It will prove the Javascript
1150: function "change(name, content)". Calling the change function with the
1151: name of the section
1152: you want to update, matching the name passed to C<changable_area>, and
1153: the new content you want to put in there, will put the content into
1154: that area.
1155:
1156: B<Note>: Netscape 4 only reserves enough space for the changable area
1157: to contain room for the original contents. You need to "make space"
1158: for whatever changes you wish to make, and be B<sure> to check your
1159: code in Netscape 4. This feature in Netscape 4 is B<not> powerful;
1160: it's adequate for updating a one-line status display, but little more.
1161: This script will set the space to 100% width, so you only need to
1162: worry about height in Netscape 4.
1163:
1164: Modern browsers are much less limiting, and if you can commit to the
1165: user not using Netscape 4, this feature may be used freely with
1166: pretty much any HTML.
1167:
1168: =cut
1169:
1170: sub change_content_javascript {
1171: # If we're on Netscape 4, we need to use Layer-based code
1.258 albertel 1172: if ($env{'browser.type'} eq 'netscape' &&
1173: $env{'browser.version'} =~ /^4\./) {
1.256 matthew 1174: return (<<NETSCAPE4);
1175: function change(name, content) {
1176: doc = document.layers[name+"___escape"].layers[0].document;
1177: doc.open();
1178: doc.write(content);
1179: doc.close();
1180: }
1181: NETSCAPE4
1182: } else {
1183: # Otherwise, we need to use semi-standards-compliant code
1184: # (technically, "innerHTML" isn't standard but the equivalent
1185: # is really scary, and every useful browser supports it
1186: return (<<DOMBASED);
1187: function change(name, content) {
1188: element = document.getElementById(name);
1189: element.innerHTML = content;
1190: }
1191: DOMBASED
1192: }
1193: }
1194:
1195: =pod
1196:
1.648 raeburn 1197: =item * &changable_area($name,$origContent):
1.256 matthew 1198:
1199: This provides a "changable area" that can be modified on the fly via
1200: the Javascript code provided in C<change_content_javascript>. $name is
1201: the name you will use to reference the area later; do not repeat the
1202: same name on a given HTML page more then once. $origContent is what
1203: the area will originally contain, which can be left blank.
1204:
1205: =cut
1206:
1207: sub changable_area {
1208: my ($name, $origContent) = @_;
1209:
1.258 albertel 1210: if ($env{'browser.type'} eq 'netscape' &&
1211: $env{'browser.version'} =~ /^4\./) {
1.256 matthew 1212: # If this is netscape 4, we need to use the Layer tag
1213: return "<ilayer width='100%' id='${name}___escape' overflow='none'><layer width='100%' id='$name' overflow='none'>$origContent</layer></ilayer>";
1214: } else {
1215: return "<span id='$name'>$origContent</span>";
1216: }
1217: }
1218:
1219: =pod
1220:
1.648 raeburn 1221: =item * &viewport_geometry_js
1.590 raeburn 1222:
1223: Provides javascript object (Geometry) which can provide information about the viewport geometry for the client browser.
1224:
1225: =cut
1226:
1227:
1228: sub viewport_geometry_js {
1229: return <<"GEOMETRY";
1230: var Geometry = {};
1231: function init_geometry() {
1232: if (Geometry.init) { return };
1233: Geometry.init=1;
1234: if (window.innerHeight) {
1235: Geometry.getViewportHeight = function() { return window.innerHeight; };
1236: Geometry.getViewportWidth = function() { return window.innerWidth; };
1237: Geometry.getHorizontalScroll = function() { return window.pageXOffset; };
1238: Geometry.getVerticalScroll = function() { return window.pageYOffset; };
1239: }
1240: else if (document.documentElement && document.documentElement.clientHeight) {
1241: Geometry.getViewportHeight =
1242: function() { return document.documentElement.clientHeight; };
1243: Geometry.getViewportWidth =
1244: function() { return document.documentElement.clientWidth; };
1245:
1246: Geometry.getHorizontalScroll =
1247: function() { return document.documentElement.scrollLeft; };
1248: Geometry.getVerticalScroll =
1249: function() { return document.documentElement.scrollTop; };
1250: }
1251: else if (document.body.clientHeight) {
1252: Geometry.getViewportHeight =
1253: function() { return document.body.clientHeight; };
1254: Geometry.getViewportWidth =
1255: function() { return document.body.clientWidth; };
1256: Geometry.getHorizontalScroll =
1257: function() { return document.body.scrollLeft; };
1258: Geometry.getVerticalScroll =
1259: function() { return document.body.scrollTop; };
1260: }
1261: }
1262:
1263: GEOMETRY
1264: }
1265:
1266: =pod
1267:
1.648 raeburn 1268: =item * &viewport_size_js()
1.590 raeburn 1269:
1270: 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.
1271:
1272: =cut
1273:
1274: sub viewport_size_js {
1275: my $geometry = &viewport_geometry_js();
1276: return <<"DIMS";
1277:
1278: $geometry
1279:
1280: function getViewportDims(width,height) {
1281: init_geometry();
1282: width.value = Geometry.getViewportWidth();
1283: height.value = Geometry.getViewportHeight();
1284: return;
1285: }
1286:
1287: DIMS
1288: }
1289:
1290: =pod
1291:
1.648 raeburn 1292: =item * &resize_textarea_js()
1.565 albertel 1293:
1294: emits the needed javascript to resize a textarea to be as big as possible
1295:
1296: creates a function resize_textrea that takes two IDs first should be
1297: the id of the element to resize, second should be the id of a div that
1298: surrounds everything that comes after the textarea, this routine needs
1299: to be attached to the <body> for the onload and onresize events.
1300:
1.648 raeburn 1301: =back
1.565 albertel 1302:
1303: =cut
1304:
1305: sub resize_textarea_js {
1.590 raeburn 1306: my $geometry = &viewport_geometry_js();
1.565 albertel 1307: return <<"RESIZE";
1308: <script type="text/javascript">
1.590 raeburn 1309: $geometry
1.565 albertel 1310:
1.588 albertel 1311: function getX(element) {
1312: var x = 0;
1313: while (element) {
1314: x += element.offsetLeft;
1315: element = element.offsetParent;
1316: }
1317: return x;
1318: }
1319: function getY(element) {
1320: var y = 0;
1321: while (element) {
1322: y += element.offsetTop;
1323: element = element.offsetParent;
1324: }
1325: return y;
1326: }
1327:
1328:
1.565 albertel 1329: function resize_textarea(textarea_id,bottom_id) {
1330: init_geometry();
1331: var textarea = document.getElementById(textarea_id);
1332: //alert(textarea);
1333:
1.588 albertel 1334: var textarea_top = getY(textarea);
1.565 albertel 1335: var textarea_height = textarea.offsetHeight;
1336: var bottom = document.getElementById(bottom_id);
1.588 albertel 1337: var bottom_top = getY(bottom);
1.565 albertel 1338: var bottom_height = bottom.offsetHeight;
1339: var window_height = Geometry.getViewportHeight();
1.588 albertel 1340: var fudge = 23;
1.565 albertel 1341: var new_height = window_height-fudge-textarea_top-bottom_height;
1342: if (new_height < 300) {
1343: new_height = 300;
1344: }
1345: textarea.style.height=new_height+'px';
1346: }
1347: </script>
1348: RESIZE
1349:
1350: }
1351:
1352: =pod
1353:
1.256 matthew 1354: =head1 Excel and CSV file utility routines
1355:
1356: =over 4
1357:
1358: =cut
1359:
1360: ###############################################################
1361: ###############################################################
1362:
1363: =pod
1364:
1.648 raeburn 1365: =item * &csv_translate($text)
1.37 matthew 1366:
1.185 www 1367: Translate $text to allow it to be output as a 'comma separated values'
1.37 matthew 1368: format.
1369:
1370: =cut
1371:
1.180 matthew 1372: ###############################################################
1373: ###############################################################
1.37 matthew 1374: sub csv_translate {
1375: my $text = shift;
1376: $text =~ s/\"/\"\"/g;
1.209 albertel 1377: $text =~ s/\n/ /g;
1.37 matthew 1378: return $text;
1379: }
1.180 matthew 1380:
1381: ###############################################################
1382: ###############################################################
1383:
1384: =pod
1385:
1.648 raeburn 1386: =item * &define_excel_formats()
1.180 matthew 1387:
1388: Define some commonly used Excel cell formats.
1389:
1390: Currently supported formats:
1391:
1392: =over 4
1393:
1394: =item header
1395:
1396: =item bold
1397:
1398: =item h1
1399:
1400: =item h2
1401:
1402: =item h3
1403:
1.256 matthew 1404: =item h4
1405:
1406: =item i
1407:
1.180 matthew 1408: =item date
1409:
1410: =back
1411:
1412: Inputs: $workbook
1413:
1414: Returns: $format, a hash reference.
1415:
1416: =cut
1417:
1418: ###############################################################
1419: ###############################################################
1420: sub define_excel_formats {
1421: my ($workbook) = @_;
1422: my $format;
1423: $format->{'header'} = $workbook->add_format(bold => 1,
1424: bottom => 1,
1425: align => 'center');
1426: $format->{'bold'} = $workbook->add_format(bold=>1);
1427: $format->{'h1'} = $workbook->add_format(bold=>1, size=>18);
1428: $format->{'h2'} = $workbook->add_format(bold=>1, size=>16);
1429: $format->{'h3'} = $workbook->add_format(bold=>1, size=>14);
1.255 matthew 1430: $format->{'h4'} = $workbook->add_format(bold=>1, size=>12);
1.246 matthew 1431: $format->{'i'} = $workbook->add_format(italic=>1);
1.180 matthew 1432: $format->{'date'} = $workbook->add_format(num_format=>
1.207 matthew 1433: 'mm/dd/yyyy hh:mm:ss');
1.180 matthew 1434: return $format;
1435: }
1436:
1437: ###############################################################
1438: ###############################################################
1.113 bowersj2 1439:
1440: =pod
1441:
1.648 raeburn 1442: =item * &create_workbook()
1.255 matthew 1443:
1444: Create an Excel worksheet. If it fails, output message on the
1445: request object and return undefs.
1446:
1447: Inputs: Apache request object
1448:
1449: Returns (undef) on failure,
1450: Excel worksheet object, scalar with filename, and formats
1451: from &Apache::loncommon::define_excel_formats on success
1452:
1453: =cut
1454:
1455: ###############################################################
1456: ###############################################################
1457: sub create_workbook {
1458: my ($r) = @_;
1459: #
1460: # Create the excel spreadsheet
1461: my $filename = '/prtspool/'.
1.258 albertel 1462: $env{'user.name'}.'_'.$env{'user.domain'}.'_'.
1.255 matthew 1463: time.'_'.rand(1000000000).'.xls';
1464: my $workbook = Spreadsheet::WriteExcel->new('/home/httpd'.$filename);
1465: if (! defined($workbook)) {
1466: $r->log_error("Error creating excel spreadsheet $filename: $!");
1467: $r->print('<p>'.&mt("Unable to create new Excel file. ".
1468: "This error has been logged. ".
1469: "Please alert your LON-CAPA administrator").
1470: '</p>');
1471: return (undef);
1472: }
1473: #
1474: $workbook->set_tempdir('/home/httpd/perl/tmp');
1475: #
1476: my $format = &Apache::loncommon::define_excel_formats($workbook);
1477: return ($workbook,$filename,$format);
1478: }
1479:
1480: ###############################################################
1481: ###############################################################
1482:
1483: =pod
1484:
1.648 raeburn 1485: =item * &create_text_file()
1.113 bowersj2 1486:
1.542 raeburn 1487: Create a file to write to and eventually make available to the user.
1.256 matthew 1488: If file creation fails, outputs an error message on the request object and
1489: return undefs.
1.113 bowersj2 1490:
1.256 matthew 1491: Inputs: Apache request object, and file suffix
1.113 bowersj2 1492:
1.256 matthew 1493: Returns (undef) on failure,
1494: Filehandle and filename on success.
1.113 bowersj2 1495:
1496: =cut
1497:
1.256 matthew 1498: ###############################################################
1499: ###############################################################
1500: sub create_text_file {
1501: my ($r,$suffix) = @_;
1502: if (! defined($suffix)) { $suffix = 'txt'; };
1503: my $fh;
1504: my $filename = '/prtspool/'.
1.258 albertel 1505: $env{'user.name'}.'_'.$env{'user.domain'}.'_'.
1.256 matthew 1506: time.'_'.rand(1000000000).'.'.$suffix;
1507: $fh = Apache::File->new('>/home/httpd'.$filename);
1508: if (! defined($fh)) {
1509: $r->log_error("Couldn't open $filename for output $!");
1510: $r->print("Problems occured in creating the output file. ".
1511: "This error has been logged. ".
1512: "Please alert your LON-CAPA administrator.");
1.113 bowersj2 1513: }
1.256 matthew 1514: return ($fh,$filename)
1.113 bowersj2 1515: }
1516:
1517:
1.256 matthew 1518: =pod
1.113 bowersj2 1519:
1520: =back
1521:
1522: =cut
1.37 matthew 1523:
1524: ###############################################################
1.33 matthew 1525: ## Home server <option> list generating code ##
1526: ###############################################################
1.35 matthew 1527:
1.169 www 1528: # ------------------------------------------
1529:
1530: sub domain_select {
1531: my ($name,$value,$multiple)=@_;
1532: my %domains=map {
1.514 albertel 1533: $_ => $_.' '. &Apache::lonnet::domain($_,'description')
1.512 albertel 1534: } &Apache::lonnet::all_domains();
1.169 www 1535: if ($multiple) {
1536: $domains{''}=&mt('Any domain');
1.550 albertel 1537: $domains{'select_form_order'} = [sort {lc($a) cmp lc($b) } (keys(%domains))];
1.287 albertel 1538: return &multiple_select_form($name,$value,4,\%domains);
1.169 www 1539: } else {
1.550 albertel 1540: $domains{'select_form_order'} = [sort {lc($a) cmp lc($b) } (keys(%domains))];
1.169 www 1541: return &select_form($name,$value,%domains);
1542: }
1543: }
1544:
1.282 albertel 1545: #-------------------------------------------
1546:
1547: =pod
1548:
1.519 raeburn 1549: =head1 Routines for form select boxes
1550:
1551: =over 4
1552:
1.648 raeburn 1553: =item * &multiple_select_form($name,$value,$size,$hash,$order)
1.282 albertel 1554:
1555: Returns a string containing a <select> element int multiple mode
1556:
1557:
1558: Args:
1559: $name - name of the <select> element
1.506 raeburn 1560: $value - scalar or array ref of values that should already be selected
1.282 albertel 1561: $size - number of rows long the select element is
1.283 albertel 1562: $hash - the elements should be 'option' => 'shown text'
1.282 albertel 1563: (shown text should already have been &mt())
1.506 raeburn 1564: $order - (optional) array ref of the order to show the elements in
1.283 albertel 1565:
1.282 albertel 1566: =cut
1567:
1568: #-------------------------------------------
1.169 www 1569: sub multiple_select_form {
1.284 albertel 1570: my ($name,$value,$size,$hash,$order)=@_;
1.169 www 1571: my %selected = map { $_ => 1 } ref($value)?@{$value}:($value);
1572: my $output='';
1.191 matthew 1573: if (! defined($size)) {
1574: $size = 4;
1.283 albertel 1575: if (scalar(keys(%$hash))<4) {
1576: $size = scalar(keys(%$hash));
1.191 matthew 1577: }
1578: }
1.169 www 1579: $output.="\n<select name='$name' size='$size' multiple='1'>";
1.501 banghart 1580: my @order;
1.506 raeburn 1581: if (ref($order) eq 'ARRAY') {
1582: @order = @{$order};
1583: } else {
1584: @order = sort(keys(%$hash));
1.501 banghart 1585: }
1586: if (exists($$hash{'select_form_order'})) {
1587: @order = @{$$hash{'select_form_order'}};
1588: }
1589:
1.284 albertel 1590: foreach my $key (@order) {
1.356 albertel 1591: $output.='<option value="'.&HTML::Entities::encode($key,'"<>&').'" ';
1.284 albertel 1592: $output.='selected="selected" ' if ($selected{$key});
1593: $output.='>'.$hash->{$key}."</option>\n";
1.169 www 1594: }
1595: $output.="</select>\n";
1596: return $output;
1597: }
1598:
1.88 www 1599: #-------------------------------------------
1600:
1601: =pod
1602:
1.648 raeburn 1603: =item * &select_form($defdom,$name,%hash)
1.88 www 1604:
1605: Returns a string containing a <select name='$name' size='1'> form to
1606: allow a user to select options from a hash option_name => displayed text.
1607: See lonrights.pm for an example invocation and use.
1608:
1609: =cut
1610:
1611: #-------------------------------------------
1612: sub select_form {
1613: my ($def,$name,%hash) = @_;
1614: my $selectform = "<select name=\"$name\" size=\"1\">\n";
1.128 albertel 1615: my @keys;
1616: if (exists($hash{'select_form_order'})) {
1617: @keys=@{$hash{'select_form_order'}};
1618: } else {
1619: @keys=sort(keys(%hash));
1620: }
1.356 albertel 1621: foreach my $key (@keys) {
1622: $selectform.=
1623: '<option value="'.&HTML::Entities::encode($key,'"<>&').'" '.
1624: ($key eq $def ? 'selected="selected" ' : '').
1625: ">".&mt($hash{$key})."</option>\n";
1.88 www 1626: }
1627: $selectform.="</select>";
1628: return $selectform;
1629: }
1630:
1.475 www 1631: # For display filters
1632:
1633: sub display_filter {
1634: if (!$env{'form.show'}) { $env{'form.show'}=10; }
1.477 www 1635: if (!$env{'form.displayfilter'}) { $env{'form.displayfilter'}='currentfolder'; }
1.475 www 1636: return '<nobr><label>'.&mt('Records [_1]',
1637: &Apache::lonmeta::selectbox('show',$env{'form.show'},undef,
1638: (&mt('all'),10,20,50,100,1000,10000))).
1.478 www 1639: '</label></nobr> <nobr>'.
1.475 www 1640: &mt('Filter [_1]',
1.477 www 1641: &select_form($env{'form.displayfilter'},
1642: 'displayfilter',
1643: ('currentfolder' => 'Current folder/page',
1644: 'containing' => 'Containing phrase',
1645: 'none' => 'None'))).
1.478 www 1646: '<input type="text" name="containingphrase" size="30" value="'.&HTML::Entities::encode($env{'form.containingphrase'}).'" /></nobr>';
1.475 www 1647: }
1648:
1.167 www 1649: sub gradeleveldescription {
1650: my $gradelevel=shift;
1651: my %gradelevels=(0 => 'Not specified',
1652: 1 => 'Grade 1',
1653: 2 => 'Grade 2',
1654: 3 => 'Grade 3',
1655: 4 => 'Grade 4',
1656: 5 => 'Grade 5',
1657: 6 => 'Grade 6',
1658: 7 => 'Grade 7',
1659: 8 => 'Grade 8',
1660: 9 => 'Grade 9',
1661: 10 => 'Grade 10',
1662: 11 => 'Grade 11',
1663: 12 => 'Grade 12',
1664: 13 => 'Grade 13',
1665: 14 => '100 Level',
1666: 15 => '200 Level',
1667: 16 => '300 Level',
1668: 17 => '400 Level',
1669: 18 => 'Graduate Level');
1670: return &mt($gradelevels{$gradelevel});
1671: }
1672:
1.163 www 1673: sub select_level_form {
1674: my ($deflevel,$name)=@_;
1675: unless ($deflevel) { $deflevel=0; }
1.167 www 1676: my $selectform = "<select name=\"$name\" size=\"1\">\n";
1677: for (my $i=0; $i<=18; $i++) {
1678: $selectform.="<option value=\"$i\" ".
1.253 albertel 1679: ($i==$deflevel ? 'selected="selected" ' : '').
1.167 www 1680: ">".&gradeleveldescription($i)."</option>\n";
1681: }
1682: $selectform.="</select>";
1683: return $selectform;
1.163 www 1684: }
1.167 www 1685:
1.35 matthew 1686: #-------------------------------------------
1687:
1.45 matthew 1688: =pod
1689:
1.648 raeburn 1690: =item * &select_dom_form($defdom,$name,$includeempty,$showdomdesc)
1.35 matthew 1691:
1692: Returns a string containing a <select name='$name' size='1'> form to
1693: allow a user to select the domain to preform an operation in.
1694: See loncreateuser.pm for an example invocation and use.
1695:
1.90 www 1696: If the $includeempty flag is set, it also includes an empty choice ("no domain
1697: selected");
1698:
1.563 raeburn 1699: If the $showdomdesc flag is set, the domain name is followed by the domain description.
1700:
1.35 matthew 1701: =cut
1702:
1703: #-------------------------------------------
1.34 matthew 1704: sub select_dom_form {
1.563 raeburn 1705: my ($defdom,$name,$includeempty,$showdomdesc) = @_;
1.550 albertel 1706: my @domains = sort {lc($a) cmp lc($b)} (&Apache::lonnet::all_domains());
1.90 www 1707: if ($includeempty) { @domains=('',@domains); }
1.34 matthew 1708: my $selectdomain = "<select name=\"$name\" size=\"1\">\n";
1.356 albertel 1709: foreach my $dom (@domains) {
1710: $selectdomain.="<option value=\"$dom\" ".
1.563 raeburn 1711: ($dom eq $defdom ? 'selected="selected" ' : '').'>'.$dom;
1712: if ($showdomdesc) {
1713: if ($dom ne '') {
1714: my $domdesc = &Apache::lonnet::domain($dom,'description');
1715: if ($domdesc ne '') {
1716: $selectdomain .= ' ('.$domdesc.')';
1717: }
1718: }
1719: }
1720: $selectdomain .= "</option>\n";
1.34 matthew 1721: }
1722: $selectdomain.="</select>";
1723: return $selectdomain;
1724: }
1725:
1.35 matthew 1726: #-------------------------------------------
1727:
1.45 matthew 1728: =pod
1729:
1.648 raeburn 1730: =item * &home_server_form_item($domain,$name,$defaultflag)
1.35 matthew 1731:
1.586 raeburn 1732: input: 4 arguments (two required, two optional) -
1733: $domain - domain of new user
1734: $name - name of form element
1735: $default - Value of 'default' causes a default item to be first
1736: option, and selected by default.
1737: $hide - Value of 'hide' causes hiding of the name of the server,
1738: if 1 server found, or default, if 0 found.
1.594 raeburn 1739: output: returns 2 items:
1.586 raeburn 1740: (a) form element which contains either:
1741: (i) <select name="$name">
1742: <option value="$hostid1">$hostid $servers{$hostid}</option>
1743: <option value="$hostid2">$hostid $servers{$hostid}</option>
1744: </select>
1745: form item if there are multiple library servers in $domain, or
1746: (ii) an <input type="hidden" name="$name" value="$hostid" /> form item
1747: if there is only one library server in $domain.
1748:
1749: (b) number of library servers found.
1750:
1751: See loncreateuser.pm for example of use.
1.35 matthew 1752:
1753: =cut
1754:
1755: #-------------------------------------------
1.586 raeburn 1756: sub home_server_form_item {
1757: my ($domain,$name,$default,$hide) = @_;
1.513 albertel 1758: my %servers = &Apache::lonnet::get_servers($domain,'library');
1.586 raeburn 1759: my $result;
1760: my $numlib = keys(%servers);
1761: if ($numlib > 1) {
1762: $result .= '<select name="'.$name.'" />'."\n";
1763: if ($default) {
1764: $result .= '<option value="default" selected>'.&mt('default').
1765: '</option>'."\n";
1766: }
1767: foreach my $hostid (sort(keys(%servers))) {
1768: $result.= '<option value="'.$hostid.'">'.
1769: $hostid.' '.$servers{$hostid}."</option>\n";
1770: }
1771: $result .= '</select>'."\n";
1772: } elsif ($numlib == 1) {
1773: my $hostid;
1774: foreach my $item (keys(%servers)) {
1775: $hostid = $item;
1776: }
1777: $result .= '<input type="hidden" name="'.$name.'" value="'.
1778: $hostid.'" />';
1779: if (!$hide) {
1780: $result .= $hostid.' '.$servers{$hostid};
1781: }
1782: $result .= "\n";
1783: } elsif ($default) {
1784: $result .= '<input type="hidden" name="'.$name.
1785: '" value="default" />';
1786: if (!$hide) {
1787: $result .= &mt('default');
1788: }
1789: $result .= "\n";
1.33 matthew 1790: }
1.586 raeburn 1791: return ($result,$numlib);
1.33 matthew 1792: }
1.112 bowersj2 1793:
1794: =pod
1795:
1.534 albertel 1796: =back
1797:
1.112 bowersj2 1798: =cut
1.87 matthew 1799:
1800: ###############################################################
1.112 bowersj2 1801: ## Decoding User Agent ##
1.87 matthew 1802: ###############################################################
1803:
1804: =pod
1805:
1.112 bowersj2 1806: =head1 Decoding the User Agent
1807:
1808: =over 4
1809:
1810: =item * &decode_user_agent()
1.87 matthew 1811:
1812: Inputs: $r
1813:
1814: Outputs:
1815:
1816: =over 4
1817:
1.112 bowersj2 1818: =item * $httpbrowser
1.87 matthew 1819:
1.112 bowersj2 1820: =item * $clientbrowser
1.87 matthew 1821:
1.112 bowersj2 1822: =item * $clientversion
1.87 matthew 1823:
1.112 bowersj2 1824: =item * $clientmathml
1.87 matthew 1825:
1.112 bowersj2 1826: =item * $clientunicode
1.87 matthew 1827:
1.112 bowersj2 1828: =item * $clientos
1.87 matthew 1829:
1830: =back
1831:
1.157 matthew 1832: =back
1833:
1.87 matthew 1834: =cut
1835:
1836: ###############################################################
1837: ###############################################################
1838: sub decode_user_agent {
1.247 albertel 1839: my ($r)=@_;
1.87 matthew 1840: my @browsertype=split(/\&/,$Apache::lonnet::perlvar{"lonBrowsDet"});
1841: my %mathcap=split(/\&/,$$Apache::lonnet::perlvar{"lonMathML"});
1842: my $httpbrowser=$ENV{"HTTP_USER_AGENT"};
1.247 albertel 1843: if (!$httpbrowser && $r) { $httpbrowser=$r->header_in('User-Agent'); }
1.87 matthew 1844: my $clientbrowser='unknown';
1845: my $clientversion='0';
1846: my $clientmathml='';
1847: my $clientunicode='0';
1848: for (my $i=0;$i<=$#browsertype;$i++) {
1849: my ($bname,$match,$notmatch,$vreg,$minv,$univ)=split(/\:/,$browsertype[$i]);
1850: if (($httpbrowser=~/$match/i) && ($httpbrowser!~/$notmatch/i)) {
1851: $clientbrowser=$bname;
1852: $httpbrowser=~/$vreg/i;
1853: $clientversion=$1;
1854: $clientmathml=($clientversion>=$minv);
1855: $clientunicode=($clientversion>=$univ);
1856: }
1857: }
1858: my $clientos='unknown';
1859: if (($httpbrowser=~/linux/i) ||
1860: ($httpbrowser=~/unix/i) ||
1861: ($httpbrowser=~/ux/i) ||
1862: ($httpbrowser=~/solaris/i)) { $clientos='unix'; }
1863: if (($httpbrowser=~/vax/i) ||
1864: ($httpbrowser=~/vms/i)) { $clientos='vms'; }
1865: if ($httpbrowser=~/next/i) { $clientos='next'; }
1866: if (($httpbrowser=~/mac/i) ||
1867: ($httpbrowser=~/powerpc/i)) { $clientos='mac'; }
1868: if ($httpbrowser=~/win/i) { $clientos='win'; }
1869: if ($httpbrowser=~/embed/i) { $clientos='pda'; }
1870: return ($httpbrowser,$clientbrowser,$clientversion,$clientmathml,
1871: $clientunicode,$clientos,);
1872: }
1873:
1.32 matthew 1874: ###############################################################
1875: ## Authentication changing form generation subroutines ##
1876: ###############################################################
1877: ##
1878: ## All of the authform_xxxxxxx subroutines take their inputs in a
1879: ## hash, and have reasonable default values.
1880: ##
1881: ## formname = the name given in the <form> tag.
1.35 matthew 1882: #-------------------------------------------
1883:
1.45 matthew 1884: =pod
1885:
1.112 bowersj2 1886: =head1 Authentication Routines
1887:
1888: =over 4
1889:
1.648 raeburn 1890: =item * &authform_xxxxxx()
1.35 matthew 1891:
1892: The authform_xxxxxx subroutines provide javascript and html forms which
1893: handle some of the conveniences required for authentication forms.
1894: This is not an optimal method, but it works.
1895:
1896: =over 4
1897:
1.112 bowersj2 1898: =item * authform_header
1.35 matthew 1899:
1.112 bowersj2 1900: =item * authform_authorwarning
1.35 matthew 1901:
1.112 bowersj2 1902: =item * authform_nochange
1.35 matthew 1903:
1.112 bowersj2 1904: =item * authform_kerberos
1.35 matthew 1905:
1.112 bowersj2 1906: =item * authform_internal
1.35 matthew 1907:
1.112 bowersj2 1908: =item * authform_filesystem
1.35 matthew 1909:
1910: =back
1911:
1.648 raeburn 1912: See loncreateuser.pm for invocation and use examples.
1.157 matthew 1913:
1.35 matthew 1914: =cut
1915:
1916: #-------------------------------------------
1.32 matthew 1917: sub authform_header{
1918: my %in = (
1919: formname => 'cu',
1.80 albertel 1920: kerb_def_dom => '',
1.32 matthew 1921: @_,
1922: );
1923: $in{'formname'} = 'document.' . $in{'formname'};
1924: my $result='';
1.80 albertel 1925:
1926: #---------------------------------------------- Code for upper case translation
1927: my $Javascript_toUpperCase;
1928: unless ($in{kerb_def_dom}) {
1929: $Javascript_toUpperCase =<<"END";
1930: switch (choice) {
1931: case 'krb': currentform.elements[choicearg].value =
1932: currentform.elements[choicearg].value.toUpperCase();
1933: break;
1934: default:
1935: }
1936: END
1937: } else {
1938: $Javascript_toUpperCase = "";
1939: }
1940:
1.165 raeburn 1941: my $radioval = "'nochange'";
1.591 raeburn 1942: if (defined($in{'curr_authtype'})) {
1943: if ($in{'curr_authtype'} ne '') {
1944: $radioval = "'".$in{'curr_authtype'}."arg'";
1945: }
1.174 matthew 1946: }
1.165 raeburn 1947: my $argfield = 'null';
1.591 raeburn 1948: if (defined($in{'mode'})) {
1.165 raeburn 1949: if ($in{'mode'} eq 'modifycourse') {
1.591 raeburn 1950: if (defined($in{'curr_autharg'})) {
1951: if ($in{'curr_autharg'} ne '') {
1.165 raeburn 1952: $argfield = "'$in{'curr_autharg'}'";
1953: }
1954: }
1955: }
1956: }
1957:
1.32 matthew 1958: $result.=<<"END";
1959: var current = new Object();
1.165 raeburn 1960: current.radiovalue = $radioval;
1961: current.argfield = $argfield;
1.32 matthew 1962:
1963: function changed_radio(choice,currentform) {
1964: var choicearg = choice + 'arg';
1965: // If a radio button in changed, we need to change the argfield
1966: if (current.radiovalue != choice) {
1967: current.radiovalue = choice;
1968: if (current.argfield != null) {
1969: currentform.elements[current.argfield].value = '';
1970: }
1971: if (choice == 'nochange') {
1972: current.argfield = null;
1973: } else {
1974: current.argfield = choicearg;
1975: switch(choice) {
1976: case 'krb':
1977: currentform.elements[current.argfield].value =
1978: "$in{'kerb_def_dom'}";
1979: break;
1980: default:
1981: break;
1982: }
1983: }
1984: }
1985: return;
1986: }
1.22 www 1987:
1.32 matthew 1988: function changed_text(choice,currentform) {
1989: var choicearg = choice + 'arg';
1990: if (currentform.elements[choicearg].value !='') {
1.80 albertel 1991: $Javascript_toUpperCase
1.32 matthew 1992: // clear old field
1993: if ((current.argfield != choicearg) && (current.argfield != null)) {
1994: currentform.elements[current.argfield].value = '';
1995: }
1996: current.argfield = choicearg;
1997: }
1998: set_auth_radio_buttons(choice,currentform);
1999: return;
1.20 www 2000: }
1.32 matthew 2001:
2002: function set_auth_radio_buttons(newvalue,currentform) {
2003: var i=0;
2004: while (i < currentform.login.length) {
2005: if (currentform.login[i].value == newvalue) { break; }
2006: i++;
2007: }
2008: if (i == currentform.login.length) {
2009: return;
2010: }
2011: current.radiovalue = newvalue;
2012: currentform.login[i].checked = true;
2013: return;
2014: }
2015: END
2016: return $result;
2017: }
2018:
2019: sub authform_authorwarning{
2020: my $result='';
1.144 matthew 2021: $result='<i>'.
2022: &mt('As a general rule, only authors or co-authors should be '.
2023: 'filesystem authenticated '.
2024: '(which allows access to the server filesystem).')."</i>\n";
1.32 matthew 2025: return $result;
2026: }
2027:
2028: sub authform_nochange{
2029: my %in = (
2030: formname => 'document.cu',
2031: kerb_def_dom => 'MSU.EDU',
2032: @_,
2033: );
1.586 raeburn 2034: my ($authnum,%can_assign) = &get_assignable_auth($in{'domain'});
2035: my $result;
2036: if (keys(%can_assign) == 0) {
2037: $result = &mt('Under you current role you are not permitted to change login settings for this user');
2038: } else {
2039: $result = '<label>'.&mt('[_1] Do not change login data',
2040: '<input type="radio" name="login" value="nochange" '.
2041: 'checked="checked" onclick="'.
1.281 albertel 2042: "javascript:changed_radio('nochange',$in{'formname'});".'" />').
2043: '</label>';
1.586 raeburn 2044: }
1.32 matthew 2045: return $result;
2046: }
2047:
1.591 raeburn 2048: sub authform_kerberos {
1.32 matthew 2049: my %in = (
2050: formname => 'document.cu',
2051: kerb_def_dom => 'MSU.EDU',
1.80 albertel 2052: kerb_def_auth => 'krb4',
1.32 matthew 2053: @_,
2054: );
1.586 raeburn 2055: my ($check4,$check5,$krbcheck,$krbarg,$krbver,$result,$authtype,
2056: $autharg,$jscall);
2057: my ($authnum,%can_assign) = &get_assignable_auth($in{'domain'});
1.80 albertel 2058: if ($in{'kerb_def_auth'} eq 'krb5') {
1.586 raeburn 2059: $check5 = ' checked="on"';
1.80 albertel 2060: } else {
1.586 raeburn 2061: $check4 = ' checked="on"';
1.80 albertel 2062: }
1.165 raeburn 2063: $krbarg = $in{'kerb_def_dom'};
1.591 raeburn 2064: if (defined($in{'curr_authtype'})) {
2065: if ($in{'curr_authtype'} eq 'krb') {
1.586 raeburn 2066: $krbcheck = ' checked="on"';
1.623 raeburn 2067: if (defined($in{'mode'})) {
2068: if ($in{'mode'} eq 'modifyuser') {
2069: $krbcheck = '';
2070: }
2071: }
1.591 raeburn 2072: if (defined($in{'curr_kerb_ver'})) {
2073: if ($in{'curr_krb_ver'} eq '5') {
2074: $check5 = ' checked="on"';
2075: $check4 = '';
2076: } else {
2077: $check4 = ' checked="on"';
2078: $check5 = '';
2079: }
1.586 raeburn 2080: }
1.591 raeburn 2081: if (defined($in{'curr_autharg'})) {
1.165 raeburn 2082: $krbarg = $in{'curr_autharg'};
2083: }
1.586 raeburn 2084: if (!$can_assign{'krb4'} && !$can_assign{'krb5'}) {
1.591 raeburn 2085: if (defined($in{'curr_autharg'})) {
1.586 raeburn 2086: $result =
2087: &mt('Currently Kerberos authenticated with domain [_1] Version [_2].',
2088: $in{'curr_autharg'},$krbver);
2089: } else {
2090: $result =
2091: &mt('Currently Kerberos authenticated, Version [_1].',$krbver);
2092: }
2093: return $result;
2094: }
2095: }
2096: } else {
2097: if ($authnum == 1) {
2098: $authtype = '<input type="hidden" name="login" value="krb">';
1.165 raeburn 2099: }
2100: }
1.586 raeburn 2101: if (!$can_assign{'krb4'} && !$can_assign{'krb5'}) {
2102: return;
1.587 raeburn 2103: } elsif ($authtype eq '') {
1.591 raeburn 2104: if (defined($in{'mode'})) {
1.587 raeburn 2105: if ($in{'mode'} eq 'modifycourse') {
2106: if ($authnum == 1) {
2107: $authtype = '<input type="hidden" name="login" value="krb">';
2108: }
2109: }
2110: }
1.586 raeburn 2111: }
2112: $jscall = "javascript:changed_radio('krb',$in{'formname'});";
2113: if ($authtype eq '') {
2114: $authtype = '<input type="radio" name="login" value="krb" '.
2115: 'onclick="'.$jscall.'" onchange="'.$jscall.'"'.
2116: $krbcheck.' />';
2117: }
2118: if (($can_assign{'krb4'} && $can_assign{'krb5'}) ||
2119: ($can_assign{'krb4'} && !$can_assign{'krb5'} &&
2120: $in{'curr_authtype'} eq 'krb5') ||
2121: (!$can_assign{'krb4'} && $can_assign{'krb5'} &&
2122: $in{'curr_authtype'} eq 'krb4')) {
2123: $result .= &mt
1.144 matthew 2124: ('[_1] Kerberos authenticated with domain [_2] '.
1.281 albertel 2125: '[_3] Version 4 [_4] Version 5 [_5]',
1.586 raeburn 2126: '<label>'.$authtype,
1.281 albertel 2127: '</label><input type="text" size="10" name="krbarg" '.
1.165 raeburn 2128: 'value="'.$krbarg.'" '.
1.144 matthew 2129: 'onchange="'.$jscall.'" />',
1.281 albertel 2130: '<label><input type="radio" name="krbver" value="4" '.$check4.' />',
2131: '</label><label><input type="radio" name="krbver" value="5" '.$check5.' />',
2132: '</label>');
1.586 raeburn 2133: } elsif ($can_assign{'krb4'}) {
2134: $result .= &mt
2135: ('[_1] Kerberos authenticated with domain [_2] '.
2136: '[_3] Version 4 [_4]',
2137: '<label>'.$authtype,
2138: '</label><input type="text" size="10" name="krbarg" '.
2139: 'value="'.$krbarg.'" '.
2140: 'onchange="'.$jscall.'" />',
2141: '<label><input type="hidden" name="krbver" value="4" />',
2142: '</label>');
2143: } elsif ($can_assign{'krb5'}) {
2144: $result .= &mt
2145: ('[_1] Kerberos authenticated with domain [_2] '.
2146: '[_3] Version 5 [_4]',
2147: '<label>'.$authtype,
2148: '</label><input type="text" size="10" name="krbarg" '.
2149: 'value="'.$krbarg.'" '.
2150: 'onchange="'.$jscall.'" />',
2151: '<label><input type="hidden" name="krbver" value="5" />',
2152: '</label>');
2153: }
1.32 matthew 2154: return $result;
2155: }
2156:
2157: sub authform_internal{
1.586 raeburn 2158: my %in = (
1.32 matthew 2159: formname => 'document.cu',
2160: kerb_def_dom => 'MSU.EDU',
2161: @_,
2162: );
1.586 raeburn 2163: my ($intcheck,$intarg,$result,$authtype,$autharg,$jscall);
2164: my ($authnum,%can_assign) = &get_assignable_auth($in{'domain'});
1.591 raeburn 2165: if (defined($in{'curr_authtype'})) {
2166: if ($in{'curr_authtype'} eq 'int') {
1.586 raeburn 2167: if ($can_assign{'int'}) {
2168: $intcheck = 'checked="on" ';
1.623 raeburn 2169: if (defined($in{'mode'})) {
2170: if ($in{'mode'} eq 'modifyuser') {
2171: $intcheck = '';
2172: }
2173: }
1.591 raeburn 2174: if (defined($in{'curr_autharg'})) {
1.586 raeburn 2175: $intarg = $in{'curr_autharg'};
2176: }
2177: } else {
2178: $result = &mt('Currently internally authenticated.');
2179: return $result;
1.165 raeburn 2180: }
2181: }
1.586 raeburn 2182: } else {
2183: if ($authnum == 1) {
2184: $authtype = '<input type="hidden" name="login" value="int">';
2185: }
2186: }
2187: if (!$can_assign{'int'}) {
2188: return;
1.587 raeburn 2189: } elsif ($authtype eq '') {
1.591 raeburn 2190: if (defined($in{'mode'})) {
1.587 raeburn 2191: if ($in{'mode'} eq 'modifycourse') {
2192: if ($authnum == 1) {
2193: $authtype = '<input type="hidden" name="login" value="int">';
2194: }
2195: }
2196: }
1.165 raeburn 2197: }
1.586 raeburn 2198: $jscall = "javascript:changed_radio('int',$in{'formname'});";
2199: if ($authtype eq '') {
2200: $authtype = '<input type="radio" name="login" value="int" '.$intcheck.
2201: ' onchange="'.$jscall.'" onclick="'.$jscall.'" />';
2202: }
1.605 bisitz 2203: $autharg = '<input type="password" size="10" name="intarg" value="'.
1.586 raeburn 2204: $intarg.'" onchange="'.$jscall.'" />';
2205: $result = &mt
1.144 matthew 2206: ('[_1] Internally authenticated (with initial password [_2])',
1.586 raeburn 2207: '<label>'.$authtype,'</label>'.$autharg);
1.620 www 2208: $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 2209: return $result;
2210: }
2211:
2212: sub authform_local{
2213: my %in = (
2214: formname => 'document.cu',
2215: kerb_def_dom => 'MSU.EDU',
2216: @_,
2217: );
1.586 raeburn 2218: my ($loccheck,$locarg,$result,$authtype,$autharg,$jscall);
2219: my ($authnum,%can_assign) = &get_assignable_auth($in{'domain'});
1.591 raeburn 2220: if (defined($in{'curr_authtype'})) {
2221: if ($in{'curr_authtype'} eq 'loc') {
1.586 raeburn 2222: if ($can_assign{'loc'}) {
2223: $loccheck = 'checked="on" ';
1.623 raeburn 2224: if (defined($in{'mode'})) {
2225: if ($in{'mode'} eq 'modifyuser') {
2226: $loccheck = '';
2227: }
2228: }
1.591 raeburn 2229: if (defined($in{'curr_autharg'})) {
1.586 raeburn 2230: $locarg = $in{'curr_autharg'};
2231: }
2232: } else {
2233: $result = &mt('Currently using local (institutional) authentication.');
2234: return $result;
1.165 raeburn 2235: }
2236: }
1.586 raeburn 2237: } else {
2238: if ($authnum == 1) {
2239: $authtype = '<input type="hidden" name="login" value="loc">';
2240: }
2241: }
2242: if (!$can_assign{'loc'}) {
2243: return;
1.587 raeburn 2244: } elsif ($authtype eq '') {
1.591 raeburn 2245: if (defined($in{'mode'})) {
1.587 raeburn 2246: if ($in{'mode'} eq 'modifycourse') {
2247: if ($authnum == 1) {
2248: $authtype = '<input type="hidden" name="login" value="loc">';
2249: }
2250: }
2251: }
1.165 raeburn 2252: }
1.586 raeburn 2253: $jscall = "javascript:changed_radio('loc',$in{'formname'});";
2254: if ($authtype eq '') {
2255: $authtype = '<input type="radio" name="login" value="loc" '.
2256: $loccheck.' onchange="'.$jscall.'" onclick="'.
2257: $jscall.'" />';
2258: }
2259: $autharg = '<input type="text" size="10" name="locarg" value="'.
2260: $locarg.'" onchange="'.$jscall.'" />';
2261: $result = &mt('[_1] Local Authentication with argument [_2]',
2262: '<label>'.$authtype,'</label>'.$autharg);
1.32 matthew 2263: return $result;
2264: }
2265:
2266: sub authform_filesystem{
2267: my %in = (
2268: formname => 'document.cu',
2269: kerb_def_dom => 'MSU.EDU',
2270: @_,
2271: );
1.586 raeburn 2272: my ($fsyscheck,$result,$authtype,$autharg,$jscall);
2273: my ($authnum,%can_assign) = &get_assignable_auth($in{'domain'});
1.591 raeburn 2274: if (defined($in{'curr_authtype'})) {
2275: if ($in{'curr_authtype'} eq 'fsys') {
1.586 raeburn 2276: if ($can_assign{'fsys'}) {
2277: $fsyscheck = 'checked="on" ';
1.623 raeburn 2278: if (defined($in{'mode'})) {
2279: if ($in{'mode'} eq 'modifyuser') {
2280: $fsyscheck = '';
2281: }
2282: }
1.586 raeburn 2283: } else {
2284: $result = &mt('Currently Filesystem Authenticated.');
2285: return $result;
2286: }
2287: }
2288: } else {
2289: if ($authnum == 1) {
2290: $authtype = '<input type="hidden" name="login" value="fsys">';
2291: }
2292: }
2293: if (!$can_assign{'fsys'}) {
2294: return;
1.587 raeburn 2295: } elsif ($authtype eq '') {
1.591 raeburn 2296: if (defined($in{'mode'})) {
1.587 raeburn 2297: if ($in{'mode'} eq 'modifycourse') {
2298: if ($authnum == 1) {
2299: $authtype = '<input type="hidden" name="login" value="fsys">';
2300: }
2301: }
2302: }
1.586 raeburn 2303: }
2304: $jscall = "javascript:changed_radio('fsys',$in{'formname'});";
2305: if ($authtype eq '') {
2306: $authtype = '<input type="radio" name="login" value="fsys" '.
2307: $fsyscheck.' onchange="'.$jscall.'" onclick="'.
2308: $jscall.'" />';
2309: }
2310: $autharg = '<input type="text" size="10" name="fsysarg" value=""'.
2311: ' onchange="'.$jscall.'" />';
2312: $result = &mt
1.144 matthew 2313: ('[_1] Filesystem Authenticated (with initial password [_2])',
1.281 albertel 2314: '<label><input type="radio" name="login" value="fsys" '.
1.586 raeburn 2315: $fsyscheck.'onchange="'.$jscall.'" onclick="'.$jscall.'" />',
1.605 bisitz 2316: '</label><input type="password" size="10" name="fsysarg" value="" '.
1.144 matthew 2317: 'onchange="'.$jscall.'" />');
1.32 matthew 2318: return $result;
2319: }
2320:
1.586 raeburn 2321: sub get_assignable_auth {
2322: my ($dom) = @_;
2323: if ($dom eq '') {
2324: $dom = $env{'request.role.domain'};
2325: }
2326: my %can_assign = (
2327: krb4 => 1,
2328: krb5 => 1,
2329: int => 1,
2330: loc => 1,
2331: );
2332: my %domconfig = &Apache::lonnet::get_dom('configuration',['usercreation'],$dom);
2333: if (ref($domconfig{'usercreation'}) eq 'HASH') {
2334: if (ref($domconfig{'usercreation'}{'authtypes'}) eq 'HASH') {
2335: my $authhash = $domconfig{'usercreation'}{'authtypes'};
2336: my $context;
2337: if ($env{'request.role'} =~ /^au/) {
2338: $context = 'author';
2339: } elsif ($env{'request.role'} =~ /^dc/) {
2340: $context = 'domain';
2341: } elsif ($env{'request.course.id'}) {
2342: $context = 'course';
2343: }
2344: if ($context) {
2345: if (ref($authhash->{$context}) eq 'HASH') {
2346: %can_assign = %{$authhash->{$context}};
2347: }
2348: }
2349: }
2350: }
2351: my $authnum = 0;
2352: foreach my $key (keys(%can_assign)) {
2353: if ($can_assign{$key}) {
2354: $authnum ++;
2355: }
2356: }
2357: if ($can_assign{'krb4'} && $can_assign{'krb5'}) {
2358: $authnum --;
2359: }
2360: return ($authnum,%can_assign);
2361: }
2362:
1.80 albertel 2363: ###############################################################
2364: ## Get Kerberos Defaults for Domain ##
2365: ###############################################################
2366: ##
2367: ## Returns default kerberos version and an associated argument
2368: ## as listed in file domain.tab. If not listed, provides
2369: ## appropriate default domain and kerberos version.
2370: ##
2371: #-------------------------------------------
2372:
2373: =pod
2374:
1.648 raeburn 2375: =item * &get_kerberos_defaults()
1.80 albertel 2376:
2377: get_kerberos_defaults($target_domain) returns the default kerberos
1.641 raeburn 2378: version and domain. If not found, it defaults to version 4 and the
2379: domain of the server.
1.80 albertel 2380:
1.648 raeburn 2381: =over 4
2382:
1.80 albertel 2383: ($def_version, $def_krb_domain) = &get_kerberos_defaults($target_domain);
2384:
1.648 raeburn 2385: =back
2386:
2387: =back
2388:
1.80 albertel 2389: =cut
2390:
2391: #-------------------------------------------
2392: sub get_kerberos_defaults {
2393: my $domain=shift;
1.641 raeburn 2394: my ($krbdef,$krbdefdom);
2395: my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
2396: if (($domdefaults{'auth_def'} =~/^krb(4|5)$/) && ($domdefaults{'auth_arg_def'} ne '')) {
2397: $krbdef = $domdefaults{'auth_def'};
2398: $krbdefdom = $domdefaults{'auth_arg_def'};
2399: } else {
1.80 albertel 2400: $ENV{'SERVER_NAME'}=~/(\w+\.\w+)$/;
2401: my $krbdefdom=$1;
2402: $krbdefdom=~tr/a-z/A-Z/;
2403: $krbdef = "krb4";
2404: }
2405: return ($krbdef,$krbdefdom);
2406: }
1.112 bowersj2 2407:
1.32 matthew 2408:
1.46 matthew 2409: ###############################################################
2410: ## Thesaurus Functions ##
2411: ###############################################################
1.20 www 2412:
1.46 matthew 2413: =pod
1.20 www 2414:
1.112 bowersj2 2415: =head1 Thesaurus Functions
2416:
2417: =over 4
2418:
1.648 raeburn 2419: =item * &initialize_keywords()
1.46 matthew 2420:
2421: Initializes the package variable %Keywords if it is empty. Uses the
2422: package variable $thesaurus_db_file.
2423:
2424: =cut
2425:
2426: ###################################################
2427:
2428: sub initialize_keywords {
2429: return 1 if (scalar keys(%Keywords));
2430: # If we are here, %Keywords is empty, so fill it up
2431: # Make sure the file we need exists...
2432: if (! -e $thesaurus_db_file) {
2433: &Apache::lonnet::logthis("Attempt to access $thesaurus_db_file".
2434: " failed because it does not exist");
2435: return 0;
2436: }
2437: # Set up the hash as a database
2438: my %thesaurus_db;
2439: if (! tie(%thesaurus_db,'GDBM_File',
1.53 albertel 2440: $thesaurus_db_file,&GDBM_READER(),0640)){
1.46 matthew 2441: &Apache::lonnet::logthis("Could not tie \%thesaurus_db to ".
2442: $thesaurus_db_file);
2443: return 0;
2444: }
2445: # Get the average number of appearances of a word.
2446: my $avecount = $thesaurus_db{'average.count'};
2447: # Put keywords (those that appear > average) into %Keywords
2448: while (my ($word,$data)=each (%thesaurus_db)) {
2449: my ($count,undef) = split /:/,$data;
2450: $Keywords{$word}++ if ($count > $avecount);
2451: }
2452: untie %thesaurus_db;
2453: # Remove special values from %Keywords.
1.356 albertel 2454: foreach my $value ('total.count','average.count') {
2455: delete($Keywords{$value}) if (exists($Keywords{$value}));
1.586 raeburn 2456: }
1.46 matthew 2457: return 1;
2458: }
2459:
2460: ###################################################
2461:
2462: =pod
2463:
1.648 raeburn 2464: =item * &keyword($word)
1.46 matthew 2465:
2466: Returns true if $word is a keyword. A keyword is a word that appears more
2467: than the average number of times in the thesaurus database. Calls
2468: &initialize_keywords
2469:
2470: =cut
2471:
2472: ###################################################
1.20 www 2473:
2474: sub keyword {
1.46 matthew 2475: return if (!&initialize_keywords());
2476: my $word=lc(shift());
2477: $word=~s/\W//g;
2478: return exists($Keywords{$word});
1.20 www 2479: }
1.46 matthew 2480:
2481: ###############################################################
2482:
2483: =pod
1.20 www 2484:
1.648 raeburn 2485: =item * &get_related_words()
1.46 matthew 2486:
1.160 matthew 2487: Look up a word in the thesaurus. Takes a scalar argument and returns
1.46 matthew 2488: an array of words. If the keyword is not in the thesaurus, an empty array
2489: will be returned. The order of the words returned is determined by the
2490: database which holds them.
2491:
2492: Uses global $thesaurus_db_file.
2493:
2494: =cut
2495:
2496: ###############################################################
2497: sub get_related_words {
2498: my $keyword = shift;
2499: my %thesaurus_db;
2500: if (! -e $thesaurus_db_file) {
2501: &Apache::lonnet::logthis("Attempt to access $thesaurus_db_file ".
2502: "failed because the file does not exist");
2503: return ();
2504: }
2505: if (! tie(%thesaurus_db,'GDBM_File',
1.53 albertel 2506: $thesaurus_db_file,&GDBM_READER(),0640)){
1.46 matthew 2507: return ();
2508: }
2509: my @Words=();
1.429 www 2510: my $count=0;
1.46 matthew 2511: if (exists($thesaurus_db{$keyword})) {
1.356 albertel 2512: # The first element is the number of times
2513: # the word appears. We do not need it now.
1.429 www 2514: my (undef,@RelatedWords) = (split(/:/,$thesaurus_db{$keyword}));
2515: my (undef,$mostfrequentcount)=split(/\,/,$RelatedWords[0]);
2516: my $threshold=$mostfrequentcount/10;
2517: foreach my $possibleword (@RelatedWords) {
2518: my ($word,$wordcount)=split(/\,/,$possibleword);
2519: if ($wordcount>$threshold) {
2520: push(@Words,$word);
2521: $count++;
2522: if ($count>10) { last; }
2523: }
1.20 www 2524: }
2525: }
1.46 matthew 2526: untie %thesaurus_db;
2527: return @Words;
1.14 harris41 2528: }
1.46 matthew 2529:
1.112 bowersj2 2530: =pod
2531:
2532: =back
2533:
2534: =cut
1.61 www 2535:
2536: # -------------------------------------------------------------- Plaintext name
1.81 albertel 2537: =pod
2538:
1.112 bowersj2 2539: =head1 User Name Functions
2540:
2541: =over 4
2542:
1.648 raeburn 2543: =item * &plainname($uname,$udom,$first)
1.81 albertel 2544:
1.112 bowersj2 2545: Takes a users logon name and returns it as a string in
1.226 albertel 2546: "first middle last generation" form
2547: if $first is set to 'lastname' then it returns it as
2548: 'lastname generation, firstname middlename' if their is a lastname
1.81 albertel 2549:
2550: =cut
1.61 www 2551:
1.295 www 2552:
1.81 albertel 2553: ###############################################################
1.61 www 2554: sub plainname {
1.226 albertel 2555: my ($uname,$udom,$first)=@_;
1.537 albertel 2556: return if (!defined($uname) || !defined($udom));
1.295 www 2557: my %names=&getnames($uname,$udom);
1.226 albertel 2558: my $name=&Apache::lonnet::format_name($names{'firstname'},
2559: $names{'middlename'},
2560: $names{'lastname'},
2561: $names{'generation'},$first);
2562: $name=~s/^\s+//;
1.62 www 2563: $name=~s/\s+$//;
2564: $name=~s/\s+/ /g;
1.353 albertel 2565: if ($name !~ /\S/) { $name=$uname.':'.$udom; }
1.62 www 2566: return $name;
1.61 www 2567: }
1.66 www 2568:
2569: # -------------------------------------------------------------------- Nickname
1.81 albertel 2570: =pod
2571:
1.648 raeburn 2572: =item * &nickname($uname,$udom)
1.81 albertel 2573:
2574: Gets a users name and returns it as a string as
2575:
2576: ""nickname""
1.66 www 2577:
1.81 albertel 2578: if the user has a nickname or
2579:
2580: "first middle last generation"
2581:
2582: if the user does not
2583:
2584: =cut
1.66 www 2585:
2586: sub nickname {
2587: my ($uname,$udom)=@_;
1.537 albertel 2588: return if (!defined($uname) || !defined($udom));
1.295 www 2589: my %names=&getnames($uname,$udom);
1.68 albertel 2590: my $name=$names{'nickname'};
1.66 www 2591: if ($name) {
2592: $name='"'.$name.'"';
2593: } else {
2594: $name=$names{'firstname'}.' '.$names{'middlename'}.' '.
2595: $names{'lastname'}.' '.$names{'generation'};
2596: $name=~s/\s+$//;
2597: $name=~s/\s+/ /g;
2598: }
2599: return $name;
2600: }
2601:
1.295 www 2602: sub getnames {
2603: my ($uname,$udom)=@_;
1.537 albertel 2604: return if (!defined($uname) || !defined($udom));
1.433 albertel 2605: if ($udom eq 'public' && $uname eq 'public') {
2606: return ('lastname' => &mt('Public'));
2607: }
1.295 www 2608: my $id=$uname.':'.$udom;
2609: my ($names,$cached)=&Apache::lonnet::is_cached_new('namescache',$id);
2610: if ($cached) {
2611: return %{$names};
2612: } else {
2613: my %loadnames=&Apache::lonnet::get('environment',
2614: ['firstname','middlename','lastname','generation','nickname'],
2615: $udom,$uname);
2616: &Apache::lonnet::do_cache_new('namescache',$id,\%loadnames);
2617: return %loadnames;
2618: }
2619: }
1.61 www 2620:
1.542 raeburn 2621: # -------------------------------------------------------------------- getemails
1.648 raeburn 2622:
1.542 raeburn 2623: =pod
2624:
1.648 raeburn 2625: =item * &getemails($uname,$udom)
1.542 raeburn 2626:
2627: Gets a user's email information and returns it as a hash with keys:
2628: notification, critnotification, permanentemail
2629:
2630: For notification and critnotification, values are comma-separated lists
1.648 raeburn 2631: of e-mail addresses; for permanentemail, value is a single e-mail address.
1.542 raeburn 2632:
1.648 raeburn 2633:
1.542 raeburn 2634: =cut
2635:
1.648 raeburn 2636:
1.466 albertel 2637: sub getemails {
2638: my ($uname,$udom)=@_;
2639: if ($udom eq 'public' && $uname eq 'public') {
2640: return;
2641: }
1.467 www 2642: if (!$udom) { $udom=$env{'user.domain'}; }
2643: if (!$uname) { $uname=$env{'user.name'}; }
1.466 albertel 2644: my $id=$uname.':'.$udom;
2645: my ($names,$cached)=&Apache::lonnet::is_cached_new('emailscache',$id);
2646: if ($cached) {
2647: return %{$names};
2648: } else {
2649: my %loadnames=&Apache::lonnet::get('environment',
2650: ['notification','critnotification',
2651: 'permanentemail'],
2652: $udom,$uname);
2653: &Apache::lonnet::do_cache_new('emailscache',$id,\%loadnames);
2654: return %loadnames;
2655: }
2656: }
2657:
1.551 albertel 2658: sub flush_email_cache {
2659: my ($uname,$udom)=@_;
2660: if (!$udom) { $udom =$env{'user.domain'}; }
2661: if (!$uname) { $uname=$env{'user.name'}; }
2662: return if ($udom eq 'public' && $uname eq 'public');
2663: my $id=$uname.':'.$udom;
2664: &Apache::lonnet::devalidate_cache_new('emailscache',$id);
2665: }
2666:
1.61 www 2667: # ------------------------------------------------------------------ Screenname
1.81 albertel 2668:
2669: =pod
2670:
1.648 raeburn 2671: =item * &screenname($uname,$udom)
1.81 albertel 2672:
2673: Gets a users screenname and returns it as a string
2674:
2675: =cut
1.61 www 2676:
2677: sub screenname {
2678: my ($uname,$udom)=@_;
1.258 albertel 2679: if ($uname eq $env{'user.name'} &&
2680: $udom eq $env{'user.domain'}) {return $env{'environment.screenname'};}
1.212 albertel 2681: my %names=&Apache::lonnet::get('environment',['screenname'],$udom,$uname);
1.68 albertel 2682: return $names{'screenname'};
1.62 www 2683: }
2684:
1.212 albertel 2685:
1.62 www 2686: # ------------------------------------------------------------- Message Wrapper
2687:
2688: sub messagewrapper {
1.369 www 2689: my ($link,$username,$domain,$subject,$text)=@_;
1.62 www 2690: return
1.441 albertel 2691: '<a href="/adm/email?compose=individual&'.
2692: 'recname='.$username.'&recdom='.$domain.
2693: '&subject='.&escape($subject).'&text='.&escape($text).'" '.
1.200 matthew 2694: 'title="'.&mt('Send message').'">'.$link.'</a>';
1.74 www 2695: }
2696: # --------------------------------------------------------------- Notes Wrapper
2697:
2698: sub noteswrapper {
2699: my ($link,$un,$do)=@_;
2700: return
2701: "<a href='/adm/email?recordftf=retrieve&recname=$un&recdom=$do'>$link</a>";
1.62 www 2702: }
2703: # ------------------------------------------------------------- Aboutme Wrapper
2704:
2705: sub aboutmewrapper {
1.166 www 2706: my ($link,$username,$domain,$target)=@_;
1.447 raeburn 2707: if (!defined($username) && !defined($domain)) {
2708: return;
2709: }
1.205 www 2710: return '<a href="/adm/'.$domain.'/'.$username.'/aboutme"'.
1.454 banghart 2711: ($target?' target="$target"':'').' title="'.&mt("View this user's personal page").'">'.$link.'</a>';
1.62 www 2712: }
2713:
2714: # ------------------------------------------------------------ Syllabus Wrapper
2715:
2716:
2717: sub syllabuswrapper {
1.109 matthew 2718: my ($linktext,$coursedir,$domain,$fontcolor)=@_;
2719: if ($fontcolor) {
2720: $linktext='<font color="'.$fontcolor.'">'.$linktext.'</font>';
2721: }
1.208 matthew 2722: return qq{<a href="/public/$domain/$coursedir/syllabus">$linktext</a>};
1.61 www 2723: }
1.14 harris41 2724:
1.208 matthew 2725: sub track_student_link {
1.268 albertel 2726: my ($linktext,$sname,$sdom,$target,$start) = @_;
2727: my $link ="/adm/trackstudent?";
1.208 matthew 2728: my $title = 'View recent activity';
2729: if (defined($sname) && $sname !~ /^\s*$/ &&
2730: defined($sdom) && $sdom !~ /^\s*$/) {
1.268 albertel 2731: $link .= "selected_student=$sname:$sdom";
1.208 matthew 2732: $title .= ' of this student';
1.268 albertel 2733: }
1.208 matthew 2734: if (defined($target) && $target !~ /^\s*$/) {
2735: $target = qq{target="$target"};
2736: } else {
2737: $target = '';
2738: }
1.268 albertel 2739: if ($start) { $link.='&start='.$start; }
1.554 albertel 2740: $title = &mt($title);
2741: $linktext = &mt($linktext);
1.448 albertel 2742: return qq{<a href="$link" title="$title" $target>$linktext</a>}.
2743: &help_open_topic('View_recent_activity');
1.208 matthew 2744: }
2745:
1.508 www 2746: # ===================================================== Display a student photo
2747:
2748:
1.509 albertel 2749: sub student_image_tag {
1.508 www 2750: my ($domain,$user)=@_;
2751: my $imgsrc=&Apache::lonnet::studentphoto($domain,$user,'jpg');
2752: if (($imgsrc) && ($imgsrc ne '/adm/lonKaputt/lonlogo_broken.gif')) {
2753: return '<img src="'.$imgsrc.'" align="right" />';
2754: } else {
2755: return '';
2756: }
2757: }
2758:
1.112 bowersj2 2759: =pod
2760:
2761: =back
2762:
2763: =head1 Access .tab File Data
2764:
2765: =over 4
2766:
1.648 raeburn 2767: =item * &languageids()
1.112 bowersj2 2768:
2769: returns list of all language ids
2770:
2771: =cut
2772:
1.14 harris41 2773: sub languageids {
1.16 harris41 2774: return sort(keys(%language));
1.14 harris41 2775: }
2776:
1.112 bowersj2 2777: =pod
2778:
1.648 raeburn 2779: =item * &languagedescription()
1.112 bowersj2 2780:
2781: returns description of a specified language id
2782:
2783: =cut
2784:
1.14 harris41 2785: sub languagedescription {
1.125 www 2786: my $code=shift;
2787: return ($supported_language{$code}?'* ':'').
2788: $language{$code}.
1.126 www 2789: ($supported_language{$code}?' ('.&mt('interface available').')':'');
1.145 www 2790: }
2791:
2792: sub plainlanguagedescription {
2793: my $code=shift;
2794: return $language{$code};
2795: }
2796:
2797: sub supportedlanguagecode {
2798: my $code=shift;
2799: return $supported_language{$code};
1.97 www 2800: }
2801:
1.112 bowersj2 2802: =pod
2803:
1.648 raeburn 2804: =item * ©rightids()
1.112 bowersj2 2805:
2806: returns list of all copyrights
2807:
2808: =cut
2809:
2810: sub copyrightids {
2811: return sort(keys(%cprtag));
2812: }
2813:
2814: =pod
2815:
1.648 raeburn 2816: =item * ©rightdescription()
1.112 bowersj2 2817:
2818: returns description of a specified copyright id
2819:
2820: =cut
2821:
2822: sub copyrightdescription {
1.166 www 2823: return &mt($cprtag{shift(@_)});
1.112 bowersj2 2824: }
1.197 matthew 2825:
2826: =pod
2827:
1.648 raeburn 2828: =item * &source_copyrightids()
1.192 taceyjo1 2829:
2830: returns list of all source copyrights
2831:
2832: =cut
2833:
2834: sub source_copyrightids {
2835: return sort(keys(%scprtag));
2836: }
2837:
2838: =pod
2839:
1.648 raeburn 2840: =item * &source_copyrightdescription()
1.192 taceyjo1 2841:
2842: returns description of a specified source copyright id
2843:
2844: =cut
2845:
2846: sub source_copyrightdescription {
2847: return &mt($scprtag{shift(@_)});
2848: }
1.112 bowersj2 2849:
2850: =pod
2851:
1.648 raeburn 2852: =item * &filecategories()
1.112 bowersj2 2853:
2854: returns list of all file categories
2855:
2856: =cut
2857:
2858: sub filecategories {
2859: return sort(keys(%category_extensions));
2860: }
2861:
2862: =pod
2863:
1.648 raeburn 2864: =item * &filecategorytypes()
1.112 bowersj2 2865:
2866: returns list of file types belonging to a given file
2867: category
2868:
2869: =cut
2870:
2871: sub filecategorytypes {
1.356 albertel 2872: my ($cat) = @_;
2873: return @{$category_extensions{lc($cat)}};
1.112 bowersj2 2874: }
2875:
2876: =pod
2877:
1.648 raeburn 2878: =item * &fileembstyle()
1.112 bowersj2 2879:
2880: returns embedding style for a specified file type
2881:
2882: =cut
2883:
2884: sub fileembstyle {
2885: return $fe{lc(shift(@_))};
1.169 www 2886: }
2887:
1.351 www 2888: sub filemimetype {
2889: return $fm{lc(shift(@_))};
2890: }
2891:
1.169 www 2892:
2893: sub filecategoryselect {
2894: my ($name,$value)=@_;
1.189 matthew 2895: return &select_form($value,$name,
1.169 www 2896: '' => &mt('Any category'),
2897: map { $_,$_ } sort(keys(%category_extensions)));
1.112 bowersj2 2898: }
2899:
2900: =pod
2901:
1.648 raeburn 2902: =item * &filedescription()
1.112 bowersj2 2903:
2904: returns description for a specified file type
2905:
2906: =cut
2907:
2908: sub filedescription {
1.188 matthew 2909: my $file_description = $fd{lc(shift())};
2910: $file_description =~ s:([\[\]]):~$1:g;
2911: return &mt($file_description);
1.112 bowersj2 2912: }
2913:
2914: =pod
2915:
1.648 raeburn 2916: =item * &filedescriptionex()
1.112 bowersj2 2917:
2918: returns description for a specified file type with
2919: extra formatting
2920:
2921: =cut
2922:
2923: sub filedescriptionex {
2924: my $ex=shift;
1.188 matthew 2925: my $file_description = $fd{lc($ex)};
2926: $file_description =~ s:([\[\]]):~$1:g;
2927: return '.'.$ex.' '.&mt($file_description);
1.112 bowersj2 2928: }
2929:
2930: # End of .tab access
2931: =pod
2932:
2933: =back
2934:
2935: =cut
2936:
2937: # ------------------------------------------------------------------ File Types
2938: sub fileextensions {
2939: return sort(keys(%fe));
2940: }
2941:
1.97 www 2942: # ----------------------------------------------------------- Display Languages
2943: # returns a hash with all desired display languages
2944: #
2945:
2946: sub display_languages {
2947: my %languages=();
1.356 albertel 2948: foreach my $lang (&preferred_languages()) {
2949: $languages{$lang}=1;
1.97 www 2950: }
2951: &get_unprocessed_cgi($ENV{'QUERY_STRING'},['displaylanguage']);
1.258 albertel 2952: if ($env{'form.displaylanguage'}) {
1.356 albertel 2953: foreach my $lang (split(/\s*(\,|\;|\:)\s*/,$env{'form.displaylanguage'})) {
2954: $languages{$lang}=1;
1.97 www 2955: }
2956: }
2957: return %languages;
1.14 harris41 2958: }
2959:
1.117 www 2960: sub preferred_languages {
2961: my @languages=();
1.654 www 2962: if (($env{'request.role.adv'}) && ($env{'form.languages'})) {
2963: @languages=(@languages,split(/\s*(\,|\;|\:)\s*/,$env{'form.languages'}));
2964: }
1.258 albertel 2965: if ($env{'course.'.$env{'request.course.id'}.'.languages'}) {
1.117 www 2966: @languages=(@languages,split(/\s*(\,|\;|\:)\s*/,
1.258 albertel 2967: $env{'course.'.$env{'request.course.id'}.'.languages'}));
1.177 www 2968: }
1.654 www 2969:
1.258 albertel 2970: if ($env{'environment.languages'}) {
1.459 albertel 2971: @languages=(@languages,
2972: split(/\s*(\,|\;|\:)\s*/,$env{'environment.languages'}));
1.118 www 2973: }
1.583 albertel 2974: my $browser=$ENV{'HTTP_ACCEPT_LANGUAGE'};
1.162 www 2975: if ($browser) {
1.583 albertel 2976: my @browser =
2977: map { (split(/\s*;\s*/,$_))[0] } (split(/\s*,\s*/,$browser));
2978: push(@languages,@browser);
1.162 www 2979: }
1.641 raeburn 2980:
2981: foreach my $domtype ($env{'user.domain'},$env{'request.role.domain'},
2982: $Apache::lonnet::perlvar{'lonDefDomain'}) {
2983: if ($domtype ne '') {
2984: my %domdefs = &Apache::lonnet::get_domain_defaults($domtype);
2985: if ($domdefs{'lang_def'} ne '') {
2986: push(@languages,$domdefs{'lang_def'});
2987: }
2988: }
1.118 www 2989: }
2990: # turn "en-ca" into "en-ca,en"
2991: my @genlanguages;
1.356 albertel 2992: foreach my $lang (@languages) {
2993: unless ($lang=~/\w/) { next; }
1.583 albertel 2994: push(@genlanguages,$lang);
1.356 albertel 2995: if ($lang=~/(\-|\_)/) {
2996: push(@genlanguages,(split(/(\-|\_)/,$lang))[0]);
1.118 www 2997: }
2998: }
1.583 albertel 2999: #uniqueify the languages list
3000: my %count;
3001: @genlanguages = map { $count{$_}++ == 0 ? $_ : () } @genlanguages;
1.118 www 3002: return @genlanguages;
1.117 www 3003: }
3004:
1.582 albertel 3005: sub languages {
3006: my ($possible_langs) = @_;
3007: my @preferred_langs = &preferred_languages();
3008: if (!ref($possible_langs)) {
3009: if( wantarray ) {
3010: return @preferred_langs;
3011: } else {
3012: return $preferred_langs[0];
3013: }
3014: }
3015: my %possibilities = map { $_ => 1 } (@$possible_langs);
3016: my @preferred_possibilities;
3017: foreach my $preferred_lang (@preferred_langs) {
3018: if (exists($possibilities{$preferred_lang})) {
3019: push(@preferred_possibilities, $preferred_lang);
3020: }
3021: }
3022: if( wantarray ) {
3023: return @preferred_possibilities;
3024: }
3025: return $preferred_possibilities[0];
3026: }
3027:
1.112 bowersj2 3028: ###############################################################
3029: ## Student Answer Attempts ##
3030: ###############################################################
3031:
3032: =pod
3033:
3034: =head1 Alternate Problem Views
3035:
3036: =over 4
3037:
1.648 raeburn 3038: =item * &get_previous_attempt($symb, $username, $domain, $course,
1.112 bowersj2 3039: $getattempt, $regexp, $gradesub)
3040:
3041: Return string with previous attempt on problem. Arguments:
3042:
3043: =over 4
3044:
3045: =item * $symb: Problem, including path
3046:
3047: =item * $username: username of the desired student
3048:
3049: =item * $domain: domain of the desired student
1.14 harris41 3050:
1.112 bowersj2 3051: =item * $course: Course ID
1.14 harris41 3052:
1.112 bowersj2 3053: =item * $getattempt: Leave blank for all attempts, otherwise put
3054: something
1.14 harris41 3055:
1.112 bowersj2 3056: =item * $regexp: if string matches this regexp, the string will be
3057: sent to $gradesub
1.14 harris41 3058:
1.112 bowersj2 3059: =item * $gradesub: routine that processes the string if it matches $regexp
1.14 harris41 3060:
1.112 bowersj2 3061: =back
1.14 harris41 3062:
1.112 bowersj2 3063: The output string is a table containing all desired attempts, if any.
1.16 harris41 3064:
1.112 bowersj2 3065: =cut
1.1 albertel 3066:
3067: sub get_previous_attempt {
1.43 ng 3068: my ($symb,$username,$domain,$course,$getattempt,$regexp,$gradesub)=@_;
1.1 albertel 3069: my $prevattempts='';
1.43 ng 3070: no strict 'refs';
1.1 albertel 3071: if ($symb) {
1.3 albertel 3072: my (%returnhash)=
3073: &Apache::lonnet::restore($symb,$course,$domain,$username);
1.1 albertel 3074: if ($returnhash{'version'}) {
3075: my %lasthash=();
3076: my $version;
3077: for ($version=1;$version<=$returnhash{'version'};$version++) {
1.356 albertel 3078: foreach my $key (sort(split(/\:/,$returnhash{$version.':keys'}))) {
3079: $lasthash{$key}=$returnhash{$version.':'.$key};
1.19 harris41 3080: }
1.1 albertel 3081: }
1.596 albertel 3082: $prevattempts=&start_data_table().&start_data_table_header_row();
3083: $prevattempts.='<th>'.&mt('History').'</th>';
1.356 albertel 3084: foreach my $key (sort(keys(%lasthash))) {
3085: my ($ign,@parts) = split(/\./,$key);
1.41 ng 3086: if ($#parts > 0) {
1.31 albertel 3087: my $data=$parts[-1];
3088: pop(@parts);
1.596 albertel 3089: $prevattempts.='<th>'.&mt('Part ').join('.',@parts).'<br />'.$data.' </th>';
1.31 albertel 3090: } else {
1.41 ng 3091: if ($#parts == 0) {
3092: $prevattempts.='<th>'.$parts[0].'</th>';
3093: } else {
3094: $prevattempts.='<th>'.$ign.'</th>';
3095: }
1.31 albertel 3096: }
1.16 harris41 3097: }
1.596 albertel 3098: $prevattempts.=&end_data_table_header_row();
1.40 ng 3099: if ($getattempt eq '') {
3100: for ($version=1;$version<=$returnhash{'version'};$version++) {
1.596 albertel 3101: $prevattempts.=&start_data_table_row().
3102: '<td>'.&mt('Transaction [_1]',$version).'</td>';
1.356 albertel 3103: foreach my $key (sort(keys(%lasthash))) {
1.581 albertel 3104: my $value = &format_previous_attempt_value($key,
3105: $returnhash{$version.':'.$key});
3106: $prevattempts.='<td>'.$value.' </td>';
1.40 ng 3107: }
1.596 albertel 3108: $prevattempts.=&end_data_table_row();
1.40 ng 3109: }
1.1 albertel 3110: }
1.596 albertel 3111: $prevattempts.=&start_data_table_row().'<td>'.&mt('Current').'</td>';
1.356 albertel 3112: foreach my $key (sort(keys(%lasthash))) {
1.581 albertel 3113: my $value = &format_previous_attempt_value($key,$lasthash{$key});
1.356 albertel 3114: if ($key =~/$regexp$/ && (defined &$gradesub)) {$value = &$gradesub($value)}
1.40 ng 3115: $prevattempts.='<td>'.$value.' </td>';
1.16 harris41 3116: }
1.596 albertel 3117: $prevattempts.= &end_data_table_row().&end_data_table();
1.1 albertel 3118: } else {
1.596 albertel 3119: $prevattempts=
3120: &start_data_table().&start_data_table_row().
3121: '<td>'.&mt('Nothing submitted - no attempts.').'</td>'.
3122: &end_data_table_row().&end_data_table();
1.1 albertel 3123: }
3124: } else {
1.596 albertel 3125: $prevattempts=
3126: &start_data_table().&start_data_table_row().
3127: '<td>'.&mt('No data.').'</td>'.
3128: &end_data_table_row().&end_data_table();
1.1 albertel 3129: }
1.10 albertel 3130: }
3131:
1.581 albertel 3132: sub format_previous_attempt_value {
3133: my ($key,$value) = @_;
3134: if ($key =~ /timestamp/) {
3135: $value = &Apache::lonlocal::locallocaltime($value);
3136: } elsif (ref($value) eq 'ARRAY') {
3137: $value = '('.join(', ', @{ $value }).')';
3138: } else {
3139: $value = &unescape($value);
3140: }
3141: return $value;
3142: }
3143:
3144:
1.107 albertel 3145: sub relative_to_absolute {
3146: my ($url,$output)=@_;
3147: my $parser=HTML::TokeParser->new(\$output);
3148: my $token;
3149: my $thisdir=$url;
3150: my @rlinks=();
3151: while ($token=$parser->get_token) {
3152: if ($token->[0] eq 'S') {
3153: if ($token->[1] eq 'a') {
3154: if ($token->[2]->{'href'}) {
3155: $rlinks[$#rlinks+1]=$token->[2]->{'href'};
3156: }
3157: } elsif ($token->[1] eq 'img' || $token->[1] eq 'embed' ) {
3158: $rlinks[$#rlinks+1]=$token->[2]->{'src'};
3159: } elsif ($token->[1] eq 'base') {
3160: $thisdir=$token->[2]->{'href'};
3161: }
3162: }
3163: }
3164: $thisdir=~s-/[^/]*$--;
1.356 albertel 3165: foreach my $link (@rlinks) {
3166: unless (($link=~/^http:\/\//i) ||
3167: ($link=~/^\//) ||
3168: ($link=~/^javascript:/i) ||
3169: ($link=~/^mailto:/i) ||
3170: ($link=~/^\#/)) {
3171: my $newlocation=&Apache::lonnet::hreflocation($thisdir,$link);
3172: $output=~s/(\"|\'|\=\s*)\Q$link\E(\"|\'|\s|\>)/$1$newlocation$2/;
1.107 albertel 3173: }
3174: }
3175: # -------------------------------------------------- Deal with Applet codebases
3176: $output=~s/(\<applet[^\>]+)(codebase\=[^\S\>]+)*([^\>]*)\>/$1.($2?$2:' codebase="'.$thisdir.'"').$3.'>'/gei;
3177: return $output;
3178: }
3179:
1.112 bowersj2 3180: =pod
3181:
1.648 raeburn 3182: =item * &get_student_view()
1.112 bowersj2 3183:
3184: show a snapshot of what student was looking at
3185:
3186: =cut
3187:
1.10 albertel 3188: sub get_student_view {
1.186 albertel 3189: my ($symb,$username,$domain,$courseid,$target,$moreenv) = @_;
1.114 www 3190: my ($map,$id,$feedurl) = &Apache::lonnet::decode_symb($symb);
1.186 albertel 3191: my (%form);
1.10 albertel 3192: my @elements=('symb','courseid','domain','username');
3193: foreach my $element (@elements) {
1.186 albertel 3194: $form{'grade_'.$element}=eval '$'.$element #'
1.10 albertel 3195: }
1.186 albertel 3196: if (defined($moreenv)) {
3197: %form=(%form,%{$moreenv});
3198: }
1.236 albertel 3199: if (defined($target)) { $form{'grade_target'} = $target; }
1.107 albertel 3200: $feedurl=&Apache::lonnet::clutter($feedurl);
1.650 www 3201: my ($userview,$response)=&Apache::lonnet::ssi_body($feedurl,%form);
1.11 albertel 3202: $userview=~s/\<body[^\>]*\>//gi;
3203: $userview=~s/\<\/body\>//gi;
3204: $userview=~s/\<html\>//gi;
3205: $userview=~s/\<\/html\>//gi;
3206: $userview=~s/\<head\>//gi;
3207: $userview=~s/\<\/head\>//gi;
3208: $userview=~s/action\s*\=/would_be_action\=/gi;
1.107 albertel 3209: $userview=&relative_to_absolute($feedurl,$userview);
1.650 www 3210: if (wantarray) {
3211: return ($userview,$response);
3212: } else {
3213: return $userview;
3214: }
3215: }
3216:
3217: sub get_student_view_with_retries {
3218: my ($symb,$retries,$username,$domain,$courseid,$target,$moreenv) = @_;
3219:
3220: my $ok = 0; # True if we got a good response.
3221: my $content;
3222: my $response;
3223:
3224: # Try to get the student_view done. within the retries count:
3225:
3226: do {
3227: ($content, $response) = &get_student_view($symb,$username,$domain,$courseid,$target,$moreenv);
3228: $ok = $response->is_success;
3229: if (!$ok) {
3230: &Apache::lonnet::logthis("Failed get_student_view_with_retries on $symb: ".$response->is_success.', '.$response->code.', '.$response->message);
3231: }
3232: $retries--;
3233: } while (!$ok && ($retries > 0));
3234:
3235: if (!$ok) {
3236: $content = ''; # On error return an empty content.
3237: }
1.651 www 3238: if (wantarray) {
3239: return ($content, $response);
3240: } else {
3241: return $content;
3242: }
1.11 albertel 3243: }
3244:
1.112 bowersj2 3245: =pod
3246:
1.648 raeburn 3247: =item * &get_student_answers()
1.112 bowersj2 3248:
3249: show a snapshot of how student was answering problem
3250:
3251: =cut
3252:
1.11 albertel 3253: sub get_student_answers {
1.100 sakharuk 3254: my ($symb,$username,$domain,$courseid,%form) = @_;
1.114 www 3255: my ($map,$id,$feedurl) = &Apache::lonnet::decode_symb($symb);
1.186 albertel 3256: my (%moreenv);
1.11 albertel 3257: my @elements=('symb','courseid','domain','username');
3258: foreach my $element (@elements) {
1.186 albertel 3259: $moreenv{'grade_'.$element}=eval '$'.$element #'
1.10 albertel 3260: }
1.186 albertel 3261: $moreenv{'grade_target'}='answer';
3262: %moreenv=(%form,%moreenv);
1.497 raeburn 3263: $feedurl = &Apache::lonnet::clutter($feedurl);
3264: my $userview=&Apache::lonnet::ssi($feedurl,%moreenv);
1.10 albertel 3265: return $userview;
1.1 albertel 3266: }
1.116 albertel 3267:
3268: =pod
3269:
3270: =item * &submlink()
3271:
1.242 albertel 3272: Inputs: $text $uname $udom $symb $target
1.116 albertel 3273:
3274: Returns: A link to grades.pm such as to see the SUBM view of a student
3275:
3276: =cut
3277:
3278: ###############################################
3279: sub submlink {
1.242 albertel 3280: my ($text,$uname,$udom,$symb,$target)=@_;
1.116 albertel 3281: if (!($uname && $udom)) {
3282: (my $cursymb, my $courseid,$udom,$uname)=
1.463 albertel 3283: &Apache::lonnet::whichuser($symb);
1.116 albertel 3284: if (!$symb) { $symb=$cursymb; }
3285: }
1.254 matthew 3286: if (!$symb) { $symb=&Apache::lonnet::symbread(); }
1.369 www 3287: $symb=&escape($symb);
1.242 albertel 3288: if ($target) { $target="target=\"$target\""; }
3289: return '<a href="/adm/grades?&command=submission&'.
3290: 'symb='.$symb.'&student='.$uname.
3291: '&userdom='.$udom.'" '.$target.'>'.$text.'</a>';
3292: }
3293: ##############################################
3294:
3295: =pod
3296:
3297: =item * &pgrdlink()
3298:
3299: Inputs: $text $uname $udom $symb $target
3300:
3301: Returns: A link to grades.pm such as to see the PGRD view of a student
3302:
3303: =cut
3304:
3305: ###############################################
3306: sub pgrdlink {
3307: my $link=&submlink(@_);
3308: $link=~s/(&command=submission)/$1&showgrading=yes/;
3309: return $link;
3310: }
3311: ##############################################
3312:
3313: =pod
3314:
3315: =item * &pprmlink()
3316:
3317: Inputs: $text $uname $udom $symb $target
3318:
3319: Returns: A link to parmset.pm such as to see the PPRM view of a
1.283 albertel 3320: student and a specific resource
1.242 albertel 3321:
3322: =cut
3323:
3324: ###############################################
3325: sub pprmlink {
3326: my ($text,$uname,$udom,$symb,$target)=@_;
3327: if (!($uname && $udom)) {
3328: (my $cursymb, my $courseid,$udom,$uname)=
1.463 albertel 3329: &Apache::lonnet::whichuser($symb);
1.242 albertel 3330: if (!$symb) { $symb=$cursymb; }
3331: }
1.254 matthew 3332: if (!$symb) { $symb=&Apache::lonnet::symbread(); }
1.369 www 3333: $symb=&escape($symb);
1.242 albertel 3334: if ($target) { $target="target=\"$target\""; }
1.595 albertel 3335: return '<a href="/adm/parmset?command=set&'.
3336: 'symb='.$symb.'&uname='.$uname.
3337: '&udom='.$udom.'" '.$target.'>'.$text.'</a>';
1.116 albertel 3338: }
3339: ##############################################
1.37 matthew 3340:
1.112 bowersj2 3341: =pod
3342:
3343: =back
3344:
3345: =cut
3346:
1.37 matthew 3347: ###############################################
1.51 www 3348:
3349:
3350: sub timehash {
3351: my @ltime=localtime(shift);
3352: return ( 'seconds' => $ltime[0],
3353: 'minutes' => $ltime[1],
3354: 'hours' => $ltime[2],
3355: 'day' => $ltime[3],
3356: 'month' => $ltime[4]+1,
3357: 'year' => $ltime[5]+1900,
3358: 'weekday' => $ltime[6],
3359: 'dayyear' => $ltime[7]+1,
3360: 'dlsav' => $ltime[8] );
3361: }
3362:
1.370 www 3363: sub utc_string {
3364: my ($date)=@_;
1.371 www 3365: return strftime("%Y%m%dT%H%M%SZ",gmtime($date));
1.370 www 3366: }
3367:
1.51 www 3368: sub maketime {
3369: my %th=@_;
3370: return POSIX::mktime(
3371: ($th{'seconds'},$th{'minutes'},$th{'hours'},
1.210 www 3372: $th{'day'},$th{'month'}-1,$th{'year'}-1900,0,0,-1));
1.70 www 3373: }
3374:
3375: #########################################
1.51 www 3376:
3377: sub findallcourses {
1.482 raeburn 3378: my ($roles,$uname,$udom) = @_;
1.355 albertel 3379: my %roles;
3380: if (ref($roles)) { %roles = map { $_ => 1 } @{$roles}; }
1.348 albertel 3381: my %courses;
1.51 www 3382: my $now=time;
1.482 raeburn 3383: if (!defined($uname)) {
3384: $uname = $env{'user.name'};
3385: }
3386: if (!defined($udom)) {
3387: $udom = $env{'user.domain'};
3388: }
3389: if (($uname ne $env{'user.name'}) || ($udom ne $env{'user.domain'})) {
3390: my %roleshash = &Apache::lonnet::dump('roles',$udom,$uname);
3391: if (!%roles) {
3392: %roles = (
3393: cc => 1,
3394: in => 1,
3395: ep => 1,
3396: ta => 1,
3397: cr => 1,
3398: st => 1,
3399: );
3400: }
3401: foreach my $entry (keys(%roleshash)) {
3402: my ($trole,$tend,$tstart) = split(/_/,$roleshash{$entry});
3403: if ($trole =~ /^cr/) {
3404: next if (!exists($roles{$trole}) && !exists($roles{'cr'}));
3405: } else {
3406: next if (!exists($roles{$trole}));
3407: }
3408: if ($tend) {
3409: next if ($tend < $now);
3410: }
3411: if ($tstart) {
3412: next if ($tstart > $now);
3413: }
3414: my ($cdom,$cnum,$sec,$cnumpart,$secpart,$role,$realsec);
3415: (undef,$cdom,$cnumpart,$secpart) = split(/\//,$entry);
3416: if ($secpart eq '') {
3417: ($cnum,$role) = split(/_/,$cnumpart);
3418: $sec = 'none';
3419: $realsec = '';
3420: } else {
3421: $cnum = $cnumpart;
3422: ($sec,$role) = split(/_/,$secpart);
3423: $realsec = $sec;
1.490 raeburn 3424: }
1.482 raeburn 3425: $courses{$cdom.'_'.$cnum}{$sec} = $trole.'/'.$cdom.'/'.$cnum.'/'.$realsec;
3426: }
3427: } else {
3428: foreach my $key (keys(%env)) {
1.483 albertel 3429: if ( $key=~m{^user\.role\.(\w+)\./($match_domain)/($match_courseid)/?(\w*)$} ||
3430: $key=~m{^user\.role\.(cr/$match_domain/$match_username/\w+)\./($match_domain)/($match_courseid)/?(\w*)$}) {
1.482 raeburn 3431: my ($role,$cdom,$cnum,$sec) = ($1,$2,$3,$4);
3432: next if ($role eq 'ca' || $role eq 'aa');
3433: next if (%roles && !exists($roles{$role}));
3434: my ($starttime,$endtime)=split(/\./,$env{$key});
3435: my $active=1;
3436: if ($starttime) {
3437: if ($now<$starttime) { $active=0; }
3438: }
3439: if ($endtime) {
3440: if ($now>$endtime) { $active=0; }
3441: }
3442: if ($active) {
3443: if ($sec eq '') {
3444: $sec = 'none';
3445: }
3446: $courses{$cdom.'_'.$cnum}{$sec} =
3447: $role.'/'.$cdom.'/'.$cnum.'/'.$sec;
1.474 raeburn 3448: }
3449: }
1.51 www 3450: }
3451: }
1.474 raeburn 3452: return %courses;
1.51 www 3453: }
1.37 matthew 3454:
1.54 www 3455: ###############################################
1.474 raeburn 3456:
3457: sub blockcheck {
1.482 raeburn 3458: my ($setters,$activity,$uname,$udom) = @_;
1.490 raeburn 3459:
3460: if (!defined($udom)) {
3461: $udom = $env{'user.domain'};
3462: }
3463: if (!defined($uname)) {
3464: $uname = $env{'user.name'};
3465: }
3466:
3467: # If uname and udom are for a course, check for blocks in the course.
3468:
3469: if (&Apache::lonnet::is_course($udom,$uname)) {
3470: my %records = &Apache::lonnet::dump('comm_block',$udom,$uname);
1.502 raeburn 3471: my ($startblock,$endblock)=&get_blocks($setters,$activity,$udom,$uname);
1.490 raeburn 3472: return ($startblock,$endblock);
3473: }
1.474 raeburn 3474:
1.502 raeburn 3475: my $startblock = 0;
3476: my $endblock = 0;
1.482 raeburn 3477: my %live_courses = &findallcourses(undef,$uname,$udom);
1.474 raeburn 3478:
1.490 raeburn 3479: # If uname is for a user, and activity is course-specific, i.e.,
3480: # boards, chat or groups, check for blocking in current course only.
1.474 raeburn 3481:
1.490 raeburn 3482: if (($activity eq 'boards' || $activity eq 'chat' ||
3483: $activity eq 'groups') && ($env{'request.course.id'})) {
3484: foreach my $key (keys(%live_courses)) {
3485: if ($key ne $env{'request.course.id'}) {
3486: delete($live_courses{$key});
3487: }
3488: }
3489: }
3490:
3491: my $otheruser = 0;
3492: my %own_courses;
3493: if ((($uname ne $env{'user.name'})) || ($udom ne $env{'user.domain'})) {
3494: # Resource belongs to user other than current user.
3495: $otheruser = 1;
3496: # Gather courses for current user
3497: %own_courses =
3498: &findallcourses(undef,$env{'user.name'},$env{'user.domain'});
3499: }
3500:
3501: # Gather active course roles - course coordinator, instructor,
3502: # exam proctor, ta, student, or custom role.
1.474 raeburn 3503:
3504: foreach my $course (keys(%live_courses)) {
1.482 raeburn 3505: my ($cdom,$cnum);
3506: if ((defined($env{'course.'.$course.'.domain'})) && (defined($env{'course.'.$course.'.num'}))) {
3507: $cdom = $env{'course.'.$course.'.domain'};
3508: $cnum = $env{'course.'.$course.'.num'};
3509: } else {
1.490 raeburn 3510: ($cdom,$cnum) = split(/_/,$course);
1.482 raeburn 3511: }
3512: my $no_ownblock = 0;
3513: my $no_userblock = 0;
1.533 raeburn 3514: if ($otheruser && $activity ne 'com') {
1.490 raeburn 3515: # Check if current user has 'evb' priv for this
3516: if (defined($own_courses{$course})) {
3517: foreach my $sec (keys(%{$own_courses{$course}})) {
3518: my $checkrole = 'cm./'.$cdom.'/'.$cnum;
3519: if ($sec ne 'none') {
3520: $checkrole .= '/'.$sec;
3521: }
3522: if (&Apache::lonnet::allowed('evb',undef,undef,$checkrole)) {
3523: $no_ownblock = 1;
3524: last;
3525: }
3526: }
3527: }
3528: # if they have 'evb' priv and are currently not playing student
3529: next if (($no_ownblock) &&
3530: ($env{'request.role'} !~ m{^st\./$cdom/$cnum}));
3531: }
1.474 raeburn 3532: foreach my $sec (keys(%{$live_courses{$course}})) {
1.482 raeburn 3533: my $checkrole = 'cm./'.$cdom.'/'.$cnum;
1.474 raeburn 3534: if ($sec ne 'none') {
1.482 raeburn 3535: $checkrole .= '/'.$sec;
1.474 raeburn 3536: }
1.490 raeburn 3537: if ($otheruser) {
3538: # Resource belongs to user other than current user.
3539: # Assemble privs for that user, and check for 'evb' priv.
1.482 raeburn 3540: my ($trole,$tdom,$tnum,$tsec);
3541: my $entry = $live_courses{$course}{$sec};
3542: if ($entry =~ /^cr/) {
3543: ($trole,$tdom,$tnum,$tsec) =
3544: ($entry =~ m|^(cr/$match_domain/$match_username/\w+)\./($match_domain)/($match_username)/?(\w*)$|);
3545: } else {
3546: ($trole,$tdom,$tnum,$tsec) = split(/\//,$entry);
3547: }
3548: my ($spec,$area,$trest,%allroles,%userroles);
3549: $area = '/'.$tdom.'/'.$tnum;
3550: $trest = $tnum;
3551: if ($tsec ne '') {
3552: $area .= '/'.$tsec;
3553: $trest .= '/'.$tsec;
3554: }
3555: $spec = $trole.'.'.$area;
3556: if ($trole =~ /^cr/) {
3557: &Apache::lonnet::custom_roleprivs(\%allroles,$trole,
3558: $tdom,$spec,$trest,$area);
3559: } else {
3560: &Apache::lonnet::standard_roleprivs(\%allroles,$trole,
3561: $tdom,$spec,$trest,$area);
3562: }
3563: my ($author,$adv) = &Apache::lonnet::set_userprivs(\%userroles,\%allroles);
1.486 raeburn 3564: if ($userroles{'user.priv.'.$checkrole} =~ /evb\&([^\:]*)/) {
3565: if ($1) {
3566: $no_userblock = 1;
3567: last;
3568: }
3569: }
1.490 raeburn 3570: } else {
3571: # Resource belongs to current user
3572: # Check for 'evb' priv via lonnet::allowed().
1.482 raeburn 3573: if (&Apache::lonnet::allowed('evb',undef,undef,$checkrole)) {
3574: $no_ownblock = 1;
3575: last;
3576: }
1.474 raeburn 3577: }
3578: }
3579: # if they have the evb priv and are currently not playing student
1.482 raeburn 3580: next if (($no_ownblock) &&
1.491 albertel 3581: ($env{'request.role'} !~ m{^st\./\Q$cdom\E/\Q$cnum\E}));
1.482 raeburn 3582: next if ($no_userblock);
1.474 raeburn 3583:
1.490 raeburn 3584: # Retrieve blocking times and identity of blocker for course
3585: # of specified user, unless user has 'evb' privilege.
1.502 raeburn 3586:
3587: my ($start,$end)=&get_blocks($setters,$activity,$cdom,$cnum);
3588: if (($start != 0) &&
3589: (($startblock == 0) || ($startblock > $start))) {
3590: $startblock = $start;
3591: }
3592: if (($end != 0) &&
3593: (($endblock == 0) || ($endblock < $end))) {
3594: $endblock = $end;
3595: }
1.490 raeburn 3596: }
3597: return ($startblock,$endblock);
3598: }
3599:
3600: sub get_blocks {
3601: my ($setters,$activity,$cdom,$cnum) = @_;
3602: my $startblock = 0;
3603: my $endblock = 0;
3604: my $course = $cdom.'_'.$cnum;
3605: $setters->{$course} = {};
3606: $setters->{$course}{'staff'} = [];
3607: $setters->{$course}{'times'} = [];
3608: my %records = &Apache::lonnet::dump('comm_block',$cdom,$cnum);
3609: foreach my $record (keys(%records)) {
3610: my ($start,$end) = ($record =~ m/^(\d+)____(\d+)$/);
3611: if ($start <= time && $end >= time) {
3612: my ($staff_name,$staff_dom,$title,$blocks) =
3613: &parse_block_record($records{$record});
3614: if ($blocks->{$activity} eq 'on') {
3615: push(@{$$setters{$course}{'staff'}},[$staff_name,$staff_dom]);
3616: push(@{$$setters{$course}{'times'}}, [$start,$end]);
1.491 albertel 3617: if ( ($startblock == 0) || ($startblock > $start) ) {
3618: $startblock = $start;
1.490 raeburn 3619: }
1.491 albertel 3620: if ( ($endblock == 0) || ($endblock < $end) ) {
3621: $endblock = $end;
1.474 raeburn 3622: }
3623: }
3624: }
3625: }
3626: return ($startblock,$endblock);
3627: }
3628:
3629: sub parse_block_record {
3630: my ($record) = @_;
3631: my ($setuname,$setudom,$title,$blocks);
3632: if (ref($record) eq 'HASH') {
3633: ($setuname,$setudom) = split(/:/,$record->{'setter'});
3634: $title = &unescape($record->{'event'});
3635: $blocks = $record->{'blocks'};
3636: } else {
3637: my @data = split(/:/,$record,3);
3638: if (scalar(@data) eq 2) {
3639: $title = $data[1];
3640: ($setuname,$setudom) = split(/@/,$data[0]);
3641: } else {
3642: ($setuname,$setudom,$title) = @data;
3643: }
3644: $blocks = { 'com' => 'on' };
3645: }
3646: return ($setuname,$setudom,$title,$blocks);
3647: }
3648:
3649: sub build_block_table {
3650: my ($startblock,$endblock,$setters) = @_;
3651: my %lt = &Apache::lonlocal::texthash(
3652: 'cacb' => 'Currently active communication blocks',
3653: 'cour' => 'Course',
3654: 'dura' => 'Duration',
3655: 'blse' => 'Block set by'
3656: );
3657: my $output;
1.476 raeburn 3658: $output = '<br />'.$lt{'cacb'}.':<br />';
1.474 raeburn 3659: $output .= &start_data_table();
3660: $output .= '
3661: <tr>
3662: <th>'.$lt{'cour'}.'</th>
3663: <th>'.$lt{'dura'}.'</th>
3664: <th>'.$lt{'blse'}.'</th>
3665: </tr>
3666: ';
3667: foreach my $course (keys(%{$setters})) {
3668: my %courseinfo=&Apache::lonnet::coursedescription($course);
3669: for (my $i=0; $i<@{$$setters{$course}{staff}}; $i++) {
3670: my ($uname,$udom) = @{$$setters{$course}{staff}[$i]};
1.490 raeburn 3671: my $fullname = &plainname($uname,$udom);
3672: if (defined($env{'user.name'}) && defined($env{'user.domain'})
3673: && $env{'user.name'} ne 'public'
3674: && $env{'user.domain'} ne 'public') {
3675: $fullname = &aboutmewrapper($fullname,$uname,$udom);
3676: }
1.474 raeburn 3677: my ($openblock,$closeblock) = @{$$setters{$course}{times}[$i]};
3678: $openblock = &Apache::lonlocal::locallocaltime($openblock);
3679: $closeblock= &Apache::lonlocal::locallocaltime($closeblock);
3680: $output .= &Apache::loncommon::start_data_table_row().
3681: '<td>'.$courseinfo{'description'}.'</td>'.
3682: '<td>'.$openblock.' to '.$closeblock.'</td>'.
1.490 raeburn 3683: '<td>'.$fullname.'</td>'.
1.474 raeburn 3684: &Apache::loncommon::end_data_table_row();
3685: }
3686: }
3687: $output .= &end_data_table();
3688: }
3689:
1.490 raeburn 3690: sub blocking_status {
3691: my ($activity,$uname,$udom) = @_;
3692: my %setters;
3693: my ($blocked,$output,$ownitem,$is_course);
3694: my ($startblock,$endblock)=&blockcheck(\%setters,$activity,$uname,$udom);
3695: if ($startblock && $endblock) {
3696: $blocked = 1;
3697: if (wantarray) {
3698: my $category;
3699: if ($activity eq 'boards') {
3700: $category = 'Discussion posts in this course';
3701: } elsif ($activity eq 'blogs') {
3702: $category = 'Blogs';
3703: } elsif ($activity eq 'port') {
3704: if (defined($uname) && defined($udom)) {
3705: if ($uname eq $env{'user.name'} &&
3706: $udom eq $env{'user.domain'}) {
3707: $ownitem = 1;
3708: }
3709: }
3710: $is_course = &Apache::lonnet::is_course($udom,$uname);
3711: if ($ownitem) {
3712: $category = 'Your portfolio files';
3713: } elsif ($is_course) {
3714: my $coursedesc;
3715: foreach my $course (keys(%setters)) {
3716: my %courseinfo =
3717: &Apache::lonnet::coursedescription($course);
3718: $coursedesc = $courseinfo{'description'};
3719: }
3720: $category = "Group files in the course '$coursedesc'";
3721: } else {
3722: $category = 'Portfolio files belonging to ';
3723: if ($env{'user.name'} eq 'public' &&
3724: $env{'user.domain'} eq 'public') {
3725: $category .= &plainname($uname,$udom);
3726: } else {
3727: $category .= &aboutmewrapper(&plainname($uname,$udom),$uname,$udom);
3728: }
3729: }
3730: } elsif ($activity eq 'groups') {
3731: $category = 'Groups in this course';
3732: }
3733: my $showstart = &Apache::lonlocal::locallocaltime($startblock);
3734: my $showend = &Apache::lonlocal::locallocaltime($endblock);
3735: $output = '<br />'.&mt('[_1] will be inaccessible between [_2] and [_3] because communication is being blocked.',$category,$showstart,$showend).'<br />';
3736: if (!($activity eq 'port' && !($ownitem) && !($is_course))) {
3737: $output .= &build_block_table($startblock,$endblock,\%setters);
3738: }
3739: }
3740: }
3741: if (wantarray) {
3742: return ($blocked,$output);
3743: } else {
3744: return $blocked;
3745: }
3746: }
3747:
1.60 matthew 3748: ###############################################
3749:
3750: =pod
3751:
1.112 bowersj2 3752: =head1 Domain Template Functions
3753:
3754: =over 4
3755:
3756: =item * &determinedomain()
1.60 matthew 3757:
3758: Inputs: $domain (usually will be undef)
3759:
1.63 www 3760: Returns: Determines which domain should be used for designs
1.60 matthew 3761:
3762: =cut
1.54 www 3763:
1.60 matthew 3764: ###############################################
1.63 www 3765: sub determinedomain {
3766: my $domain=shift;
1.531 albertel 3767: if (! $domain) {
1.60 matthew 3768: # Determine domain if we have not been given one
3769: $domain = $Apache::lonnet::perlvar{'lonDefDomain'};
1.258 albertel 3770: if ($env{'user.domain'}) { $domain=$env{'user.domain'}; }
3771: if ($env{'request.role.domain'}) {
3772: $domain=$env{'request.role.domain'};
1.60 matthew 3773: }
3774: }
1.63 www 3775: return $domain;
3776: }
3777: ###############################################
1.517 raeburn 3778:
1.518 albertel 3779: sub devalidate_domconfig_cache {
3780: my ($udom)=@_;
3781: &Apache::lonnet::devalidate_cache_new('domainconfig',$udom);
3782: }
3783:
3784: # ---------------------- Get domain configuration for a domain
3785: sub get_domainconf {
3786: my ($udom) = @_;
3787: my $cachetime=1800;
3788: my ($result,$cached)=&Apache::lonnet::is_cached_new('domainconfig',$udom);
3789: if (defined($cached)) { return %{$result}; }
3790:
3791: my %domconfig = &Apache::lonnet::get_dom('configuration',
3792: ['login','rolecolors'],$udom);
1.632 raeburn 3793: my (%designhash,%legacy);
1.518 albertel 3794: if (keys(%domconfig) > 0) {
3795: if (ref($domconfig{'login'}) eq 'HASH') {
1.632 raeburn 3796: if (keys(%{$domconfig{'login'}})) {
3797: foreach my $key (keys(%{$domconfig{'login'}})) {
3798: $designhash{$udom.'.login.'.$key}=$domconfig{'login'}{$key};
3799: }
3800: } else {
3801: $legacy{'login'} = 1;
1.518 albertel 3802: }
1.632 raeburn 3803: } else {
3804: $legacy{'login'} = 1;
1.518 albertel 3805: }
3806: if (ref($domconfig{'rolecolors'}) eq 'HASH') {
1.632 raeburn 3807: if (keys(%{$domconfig{'rolecolors'}})) {
3808: foreach my $role (keys(%{$domconfig{'rolecolors'}})) {
3809: if (ref($domconfig{'rolecolors'}{$role}) eq 'HASH') {
3810: foreach my $item (keys(%{$domconfig{'rolecolors'}{$role}})) {
3811: $designhash{$udom.'.'.$role.'.'.$item}=$domconfig{'rolecolors'}{$role}{$item};
3812: }
1.518 albertel 3813: }
3814: }
1.632 raeburn 3815: } else {
3816: $legacy{'rolecolors'} = 1;
1.518 albertel 3817: }
1.632 raeburn 3818: } else {
3819: $legacy{'rolecolors'} = 1;
1.518 albertel 3820: }
1.632 raeburn 3821: if (keys(%legacy) > 0) {
3822: my %legacyhash = &get_legacy_domconf($udom);
3823: foreach my $item (keys(%legacyhash)) {
3824: if ($item =~ /^\Q$udom\E\.login/) {
3825: if ($legacy{'login'}) {
3826: $designhash{$item} = $legacyhash{$item};
3827: }
3828: } else {
3829: if ($legacy{'rolecolors'}) {
3830: $designhash{$item} = $legacyhash{$item};
3831: }
1.518 albertel 3832: }
3833: }
3834: }
1.632 raeburn 3835: } else {
3836: %designhash = &get_legacy_domconf($udom);
1.518 albertel 3837: }
3838: &Apache::lonnet::do_cache_new('domainconfig',$udom,\%designhash,
3839: $cachetime);
3840: return %designhash;
3841: }
3842:
1.632 raeburn 3843: sub get_legacy_domconf {
3844: my ($udom) = @_;
3845: my %legacyhash;
3846: my $designdir=$Apache::lonnet::perlvar{'lonTabDir'}.'/lonDomColors';
3847: my $designfile = $designdir.'/'.$udom.'.tab';
3848: if (-e $designfile) {
3849: if ( open (my $fh,"<$designfile") ) {
3850: while (my $line = <$fh>) {
3851: next if ($line =~ /^\#/);
3852: chomp($line);
3853: my ($key,$val)=(split(/\=/,$line));
3854: if ($val) { $legacyhash{$udom.'.'.$key}=$val; }
3855: }
3856: close($fh);
3857: }
3858: }
3859: if (-e '/home/httpd/html/adm/lonDomLogos/'.$udom.'.gif') {
3860: $legacyhash{$udom.'.login.domlogo'} = "/adm/lonDomLogos/$udom.gif";
3861: }
3862: return %legacyhash;
3863: }
3864:
1.63 www 3865: =pod
3866:
1.112 bowersj2 3867: =item * &domainlogo()
1.63 www 3868:
3869: Inputs: $domain (usually will be undef)
3870:
3871: Returns: A link to a domain logo, if the domain logo exists.
3872: If the domain logo does not exist, a description of the domain.
3873:
3874: =cut
1.112 bowersj2 3875:
1.63 www 3876: ###############################################
3877: sub domainlogo {
1.517 raeburn 3878: my $domain = &determinedomain(shift);
1.518 albertel 3879: my %designhash = &get_domainconf($domain);
1.517 raeburn 3880: # See if there is a logo
3881: if ($designhash{$domain.'.login.domlogo'} ne '') {
1.519 raeburn 3882: my $imgsrc = $designhash{$domain.'.login.domlogo'};
1.538 albertel 3883: if ($imgsrc =~ m{^/(adm|res)/}) {
3884: if ($imgsrc =~ m{^/res/}) {
3885: my $local_name = &Apache::lonnet::filelocation('',$imgsrc);
3886: &Apache::lonnet::repcopy($local_name);
3887: }
3888: $imgsrc = &lonhttpdurl($imgsrc);
1.519 raeburn 3889: }
3890: return '<img src="'.$imgsrc.'" alt="'.$domain.'" />';
1.514 albertel 3891: } elsif (defined(&Apache::lonnet::domain($domain,'description'))) {
3892: return &Apache::lonnet::domain($domain,'description');
1.59 www 3893: } else {
1.60 matthew 3894: return '';
1.59 www 3895: }
3896: }
1.63 www 3897: ##############################################
3898:
3899: =pod
3900:
1.112 bowersj2 3901: =item * &designparm()
1.63 www 3902:
3903: Inputs: $which parameter; $domain (usually will be undef)
3904:
3905: Returns: value of designparamter $which
3906:
3907: =cut
1.112 bowersj2 3908:
1.397 albertel 3909:
1.400 albertel 3910: ##############################################
1.397 albertel 3911: sub designparm {
3912: my ($which,$domain)=@_;
1.258 albertel 3913: if ($env{'browser.blackwhite'} eq 'on') {
1.635 raeburn 3914: if ($which=~/\.(font|alink|vlink|link|textcol)$/) {
1.110 www 3915: return '#000000';
3916: }
1.635 raeburn 3917: if ($which=~/\.(pgbg|sidebg|bgcol)$/) {
1.110 www 3918: return '#FFFFFF';
3919: }
3920: if ($which=~/\.tabbg$/) {
3921: return '#CCCCCC';
3922: }
3923: }
1.397 albertel 3924: if (exists($env{'environment.color.'.$which})) {
1.258 albertel 3925: return $env{'environment.color.'.$which};
1.96 www 3926: }
1.63 www 3927: $domain=&determinedomain($domain);
1.518 albertel 3928: my %domdesign = &get_domainconf($domain);
1.520 raeburn 3929: my $output;
1.517 raeburn 3930: if ($domdesign{$domain.'.'.$which} ne '') {
1.520 raeburn 3931: $output = $domdesign{$domain.'.'.$which};
1.63 www 3932: } else {
1.520 raeburn 3933: $output = $defaultdesign{$which};
3934: }
3935: if (($which =~ /^(student|coordinator|author|admin)\.img$/) ||
1.635 raeburn 3936: ($which =~ /login\.(img|logo|domlogo|login)/)) {
1.538 albertel 3937: if ($output =~ m{^/(adm|res)/}) {
3938: if ($output =~ m{^/res/}) {
3939: my $local_name = &Apache::lonnet::filelocation('',$output);
3940: &Apache::lonnet::repcopy($local_name);
3941: }
1.520 raeburn 3942: $output = &lonhttpdurl($output);
3943: }
1.63 www 3944: }
1.520 raeburn 3945: return $output;
1.63 www 3946: }
1.59 www 3947:
1.60 matthew 3948: ###############################################
3949: ###############################################
3950:
3951: =pod
3952:
1.112 bowersj2 3953: =back
3954:
1.549 albertel 3955: =head1 HTML Helpers
1.112 bowersj2 3956:
3957: =over 4
3958:
3959: =item * &bodytag()
1.60 matthew 3960:
3961: Returns a uniform header for LON-CAPA web pages.
3962:
3963: Inputs:
3964:
1.112 bowersj2 3965: =over 4
3966:
3967: =item * $title, A title to be displayed on the page.
3968:
3969: =item * $function, the current role (can be undef).
3970:
3971: =item * $addentries, extra parameters for the <body> tag.
3972:
3973: =item * $bodyonly, if defined, only return the <body> tag.
3974:
3975: =item * $domain, if defined, force a given domain.
3976:
3977: =item * $forcereg, if page should register as content page (relevant for
1.86 www 3978: text interface only)
1.60 matthew 3979:
1.326 albertel 3980: =item * $customtitle, alternate text to use instead of $title
3981: in the title box that appears, this text
3982: is not auto translated like the $title is
1.309 albertel 3983:
3984: =item * $notopbar, if true, keep the 'what is this' info but remove the
3985: navigational links
1.317 albertel 3986:
1.338 albertel 3987: =item * $bgcolor, used to override the bgcolor on a webpage to a specific value
3988:
3989: =item * $notitle, if true keep the nav controls, but remove the title bar
3990:
1.361 albertel 3991: =item * $no_inline_link, if true and in remote mode, don't show the
3992: 'Switch To Inline Menu' link
3993:
1.460 albertel 3994: =item * $args, optional argument valid values are
3995: no_auto_mt_title -> prevents &mt()ing the title arg
1.562 albertel 3996: inherit_jsmath -> when creating popup window in a page,
3997: should it have jsmath forced on by the
3998: current page
1.460 albertel 3999:
1.112 bowersj2 4000: =back
4001:
1.60 matthew 4002: Returns: A uniform header for LON-CAPA web pages.
4003: If $bodyonly is nonzero, a string containing a <body> tag will be returned.
4004: If $bodyonly is undef or zero, an html string containing a <body> tag and
4005: other decorations will be returned.
4006:
4007: =cut
4008:
1.54 www 4009: sub bodytag {
1.309 albertel 4010: my ($title,$function,$addentries,$bodyonly,$domain,$forcereg,$customtitle,
1.460 albertel 4011: $notopbar,$bgcolor,$notitle,$no_inline_link,$args)=@_;
1.339 albertel 4012:
1.460 albertel 4013: if (!$args->{'no_auto_mt_title'}) { $title = &mt($title); }
1.339 albertel 4014:
1.183 matthew 4015: $function = &get_users_function() if (!$function);
1.339 albertel 4016: my $img = &designparm($function.'.img',$domain);
4017: my $font = &designparm($function.'.font',$domain);
4018: my $pgbg = $bgcolor || &designparm($function.'.pgbg',$domain);
4019:
4020: my %design = ( 'style' => 'margin-top: 0px',
1.535 albertel 4021: 'bgcolor' => $pgbg,
1.339 albertel 4022: 'text' => $font,
4023: 'alink' => &designparm($function.'.alink',$domain),
4024: 'vlink' => &designparm($function.'.vlink',$domain),
4025: 'link' => &designparm($function.'.link',$domain),);
1.438 albertel 4026: @design{keys(%$addentries)} = @$addentries{keys(%$addentries)};
1.339 albertel 4027:
1.63 www 4028: # role and realm
1.378 raeburn 4029: my ($role,$realm) = split(/\./,$env{'request.role'},2);
4030: if ($role eq 'ca') {
1.479 albertel 4031: my ($rdom,$rname) = ($realm =~ m{^/($match_domain)/($match_username)$});
1.500 albertel 4032: $realm = &plainname($rname,$rdom);
1.378 raeburn 4033: }
1.55 www 4034: # realm
1.258 albertel 4035: if ($env{'request.course.id'}) {
1.378 raeburn 4036: if ($env{'request.role'} !~ /^cr/) {
4037: $role = &Apache::lonnet::plaintext($role,&course_type());
4038: }
1.359 albertel 4039: $realm = $env{'course.'.$env{'request.course.id'}.'.description'};
1.378 raeburn 4040: } else {
4041: $role = &Apache::lonnet::plaintext($role);
1.54 www 4042: }
1.433 albertel 4043:
1.359 albertel 4044: if (!$realm) { $realm=' '; }
1.55 www 4045: # Set messages
1.60 matthew 4046: my $messages=&domainlogo($domain);
1.330 albertel 4047:
1.438 albertel 4048: my $extra_body_attr = &make_attr_string($forcereg,\%design);
1.329 albertel 4049:
1.101 www 4050: # construct main body tag
1.359 albertel 4051: my $bodytag = "<body $extra_body_attr>".
1.562 albertel 4052: &Apache::lontexconvert::init_math_support($args->{'inherit_jsmath'});
1.252 albertel 4053:
1.530 albertel 4054: if ($bodyonly) {
1.60 matthew 4055: return $bodytag;
1.258 albertel 4056: } elsif ($env{'browser.interface'} eq 'textual') {
1.95 www 4057: # Accessibility
1.224 raeburn 4058:
1.337 albertel 4059: $bodytag.=&Apache::lonmenu::menubuttons($forcereg,$forcereg);
1.338 albertel 4060: if (!$notitle) {
1.337 albertel 4061: $bodytag.='<h1>LON-CAPA: '.$title.'</h1>';
4062: }
4063: return $bodytag;
1.359 albertel 4064: }
4065:
1.410 albertel 4066: my $name = &plainname($env{'user.name'},$env{'user.domain'});
1.433 albertel 4067: if ($env{'user.name'} eq 'public' && $env{'user.domain'} eq 'public') {
4068: undef($role);
1.434 albertel 4069: } else {
4070: $name = &aboutmewrapper($name,$env{'user.name'},$env{'user.domain'});
1.433 albertel 4071: }
1.359 albertel 4072:
4073: my $roleinfo=(<<ENDROLE);
4074: <td class="LC_title_bar_who">
4075: <div class="LC_title_bar_name">
1.410 albertel 4076: $name
1.361 albertel 4077:
1.359 albertel 4078: </div>
4079: <div class="LC_title_bar_role">
1.361 albertel 4080: $role
1.359 albertel 4081: </div>
4082: <div class="LC_title_bar_realm">
1.361 albertel 4083: $realm
1.359 albertel 4084: </div>
1.206 albertel 4085: </td>
4086: ENDROLE
1.235 raeburn 4087:
1.359 albertel 4088: my $titleinfo = '<span class="LC_title_bar_title">'.$title.'</span>';
4089: if ($customtitle) {
4090: $titleinfo = $customtitle;
4091: }
4092: #
4093: # Extra info if you are the DC
4094: my $dc_info = '';
4095: if ($env{'user.adv'} && exists($env{'user.role.dc./'.
4096: $env{'course.'.$env{'request.course.id'}.
4097: '.domain'}.'/'})) {
4098: my $cid = $env{'request.course.id'};
4099: $dc_info.= $cid.' '.$env{'course.'.$cid.'.internal.coursecode'};
1.380 www 4100: $dc_info =~ s/\s+$//;
1.359 albertel 4101: $dc_info = '('.$dc_info.')';
4102: }
4103:
1.644 www 4104: if (($env{'environment.remote'} eq 'off') || ($args->{'suppress_header_logos'})) {
1.359 albertel 4105: # No Remote
1.258 albertel 4106: if ($env{'request.state'} eq 'construct') {
1.359 albertel 4107: $forcereg=1;
4108: }
4109:
4110: if (!$customtitle && $env{'request.state'} eq 'construct') {
4111: # this is for resources; directories have customtitle, and crumbs
4112: # and select recent are created in lonpubdir.pm
1.229 albertel 4113: my ($uname,$thisdisfn)=
1.258 albertel 4114: ($env{'request.filename'} =~ m|^/home/([^/]+)/public_html/(.*)|);
1.229 albertel 4115: my $formaction='/priv/'.$uname.'/'.$thisdisfn;
4116: $formaction=~s/\/+/\//g;
4117:
1.359 albertel 4118: my $parentpath = '';
4119: my $lastitem = '';
4120: if ($thisdisfn =~ m-(.+/)([^/]*)$-) {
4121: $parentpath = $1;
4122: $lastitem = $2;
4123: } else {
4124: $lastitem = $thisdisfn;
4125: }
4126: $titleinfo =
1.640 bisitz 4127: &Apache::loncommon::help_open_menu('','',3,'Authoring')
4128: .'<b>'.&mt('Construction Space').'</b>: '
4129: .'<form name="dirs" method="post" action="'.$formaction
1.359 albertel 4130: .'" target="_top"><tt><b>'
4131: .&Apache::lonhtmlcommon::crumbs($uname.'/'.$parentpath,'_top','/priv','','+1',1)."<font size=\"+1\">$lastitem</font></b></tt><br />"
4132: .&Apache::lonhtmlcommon::select_recent('construct','recent','this.form.action=this.form.recent.value;this.form.submit()')
4133: .'</form>'
4134: .&Apache::lonmenu::constspaceform();
1.235 raeburn 4135: }
1.359 albertel 4136:
1.337 albertel 4137: my $titletable;
1.338 albertel 4138: if (!$notitle) {
1.337 albertel 4139: $titletable =
1.359 albertel 4140: '<table id="LC_title_bar">'.
4141: "<tr><td> $titleinfo $dc_info</td>".$roleinfo.
4142: '</tr></table>';
1.337 albertel 4143: }
1.359 albertel 4144: if ($notopbar) {
4145: $bodytag .= $titletable;
4146: } else {
4147: if ($env{'request.state'} eq 'construct') {
1.337 albertel 4148: $bodytag .= &Apache::lonmenu::menubuttons($forcereg,$forcereg,
4149: $titletable);
1.272 raeburn 4150: } else {
1.336 albertel 4151: $bodytag .= &Apache::lonmenu::menubuttons($forcereg,$forcereg).
1.359 albertel 4152: $titletable;
1.272 raeburn 4153: }
1.235 raeburn 4154: }
4155: return $bodytag;
1.94 www 4156: }
1.95 www 4157:
1.93 www 4158: #
1.95 www 4159: # Top frame rendering, Remote is up
1.93 www 4160: #
1.359 albertel 4161:
1.517 raeburn 4162: my $imgsrc = $img;
4163: if ($img =~ /^\/adm/) {
1.575 albertel 4164: $imgsrc = &lonhttpdurl($img);
1.517 raeburn 4165: }
4166: my $upperleft='<img src="'.$imgsrc.'" alt="'.$function.'" />';
1.359 albertel 4167:
1.305 www 4168: # Explicit link to get inline menu
1.361 albertel 4169: my $menu= ($no_inline_link?''
4170: :'<br /><a href="/adm/remote?action=collapse">'.&mt('Switch to Inline Menu Mode').'</a>');
1.245 matthew 4171: #
1.338 albertel 4172: if ($notitle) {
1.337 albertel 4173: return $bodytag;
4174: }
1.94 www 4175: return(<<ENDBODY);
1.60 matthew 4176: $bodytag
1.359 albertel 4177: <table id="LC_title_bar" class="LC_with_remote">
1.368 albertel 4178: <tr><td class="LC_title_bar_role_logo">$upperleft</td>
1.359 albertel 4179: <td class="LC_title_bar_domain_logo">$messages </td>
1.54 www 4180: </tr>
1.359 albertel 4181: <tr><td>$titleinfo $dc_info $menu</td>
4182: $roleinfo
1.368 albertel 4183: </tr>
1.356 albertel 4184: </table>
1.54 www 4185: ENDBODY
1.182 matthew 4186: }
4187:
1.330 albertel 4188: sub make_attr_string {
4189: my ($register,$attr_ref) = @_;
4190:
4191: if ($attr_ref && !ref($attr_ref)) {
4192: die("addentries Must be a hash ref ".
4193: join(':',caller(1))." ".
4194: join(':',caller(0))." ");
4195: }
4196:
4197: if ($register) {
1.339 albertel 4198: my ($on_load,$on_unload);
4199: foreach my $key (keys(%{$attr_ref})) {
4200: if (lc($key) eq 'onload') {
4201: $on_load.=$attr_ref->{$key}.';';
4202: delete($attr_ref->{$key});
4203:
4204: } elsif (lc($key) eq 'onunload') {
4205: $on_unload.=$attr_ref->{$key}.';';
4206: delete($attr_ref->{$key});
4207: }
4208: }
4209: $attr_ref->{'onload'} =
4210: &Apache::lonmenu::loadevents(). $on_load;
4211: $attr_ref->{'onunload'}=
4212: &Apache::lonmenu::unloadevents().$on_unload;
4213: }
4214:
4215: # Accessibility font enhance
4216: if ($env{'browser.fontenhance'} eq 'on') {
4217: my $style;
4218: foreach my $key (keys(%{$attr_ref})) {
4219: if (lc($key) eq 'style') {
4220: $style.=$attr_ref->{$key}.';';
4221: delete($attr_ref->{$key});
4222: }
4223: }
4224: $attr_ref->{'style'}=$style.'; font-size: x-large;';
1.330 albertel 4225: }
1.339 albertel 4226:
4227: if ($env{'browser.blackwhite'} eq 'on') {
4228: delete($attr_ref->{'font'});
4229: delete($attr_ref->{'link'});
4230: delete($attr_ref->{'alink'});
4231: delete($attr_ref->{'vlink'});
4232: delete($attr_ref->{'bgcolor'});
4233: delete($attr_ref->{'background'});
4234: }
4235:
1.330 albertel 4236: my $attr_string;
4237: foreach my $attr (keys(%$attr_ref)) {
4238: $attr_string .= " $attr=\"".$attr_ref->{$attr}.'" ';
4239: }
4240: return $attr_string;
4241: }
4242:
4243:
1.182 matthew 4244: ###############################################
1.251 albertel 4245: ###############################################
4246:
4247: =pod
4248:
4249: =item * &endbodytag()
4250:
4251: Returns a uniform footer for LON-CAPA web pages.
4252:
1.635 raeburn 4253: Inputs: 1 - optional reference to an args hash
4254: If in the hash, key for noredirectlink has a value which evaluates to true,
4255: a 'Continue' link is not displayed if the page contains an
4256: internal redirect in the <head></head> section,
4257: i.e., $env{'internal.head.redirect'} exists
1.251 albertel 4258:
4259: =cut
4260:
4261: sub endbodytag {
1.635 raeburn 4262: my ($args) = @_;
1.251 albertel 4263: my $endbodytag='</body>';
1.269 albertel 4264: $endbodytag=&Apache::lontexconvert::jsMath_process()."\n".$endbodytag;
1.315 albertel 4265: if ( exists( $env{'internal.head.redirect'} ) ) {
1.635 raeburn 4266: if (!(ref($args) eq 'HASH' && $args->{'noredirectlink'})) {
4267: $endbodytag=
4268: "<br /><a href=\"$env{'internal.head.redirect'}\">".
4269: &mt('Continue').'</a>'.
4270: $endbodytag;
4271: }
1.315 albertel 4272: }
1.251 albertel 4273: return $endbodytag;
4274: }
4275:
1.352 albertel 4276: =pod
4277:
4278: =item * &standard_css()
4279:
4280: Returns a style sheet
4281:
4282: Inputs: (all optional)
4283: domain -> force to color decorate a page for a specific
4284: domain
4285: function -> force usage of a specific rolish color scheme
4286: bgcolor -> override the default page bgcolor
4287:
4288: =cut
4289:
1.343 albertel 4290: sub standard_css {
1.345 albertel 4291: my ($function,$domain,$bgcolor) = @_;
1.352 albertel 4292: $function = &get_users_function() if (!$function);
4293: my $img = &designparm($function.'.img', $domain);
4294: my $tabbg = &designparm($function.'.tabbg', $domain);
4295: my $font = &designparm($function.'.font', $domain);
1.345 albertel 4296: my $sidebg = &designparm($function.'.sidebg',$domain);
1.382 albertel 4297: my $pgbg_or_bgcolor =
4298: $bgcolor ||
1.352 albertel 4299: &designparm($function.'.pgbg', $domain);
1.382 albertel 4300: my $pgbg = &designparm($function.'.pgbg', $domain);
1.352 albertel 4301: my $alink = &designparm($function.'.alink', $domain);
4302: my $vlink = &designparm($function.'.vlink', $domain);
4303: my $link = &designparm($function.'.link', $domain);
4304:
1.602 albertel 4305: my $sans = 'Verdana,Arial,Helvetica,sans-serif';
1.395 albertel 4306: my $mono = 'monospace';
1.352 albertel 4307: my $data_table_head = $tabbg;
4308: my $data_table_light = '#EEEEEE';
1.470 banghart 4309: my $data_table_dark = '#DDDDDD';
4310: my $data_table_darker = '#CCCCCC';
1.349 albertel 4311: my $data_table_highlight = '#FFFF00';
1.352 albertel 4312: my $mail_new = '#FFBB77';
4313: my $mail_new_hover = '#DD9955';
4314: my $mail_read = '#BBBB77';
4315: my $mail_read_hover = '#999944';
4316: my $mail_replied = '#AAAA88';
4317: my $mail_replied_hover = '#888855';
4318: my $mail_other = '#99BBBB';
4319: my $mail_other_hover = '#669999';
1.391 albertel 4320: my $table_header = '#DDDDDD';
1.489 raeburn 4321: my $feedback_link_bg = '#BBBBBB';
1.392 albertel 4322:
1.608 albertel 4323: my $border = ($env{'browser.type'} eq 'explorer' ||
4324: $env{'browser.type'} eq 'safari' ) ? '0px 2px 0px 2px'
4325: : '0px 3px 0px 4px';
1.448 albertel 4326:
1.523 albertel 4327:
1.343 albertel 4328: return <<END;
1.345 albertel 4329: h1, h2, h3, th { font-family: $sans }
1.343 albertel 4330: a:focus { color: red; background: yellow }
1.510 albertel 4331: table.thinborder,
1.523 albertel 4332:
1.510 albertel 4333: table.thinborder tr th {
4334: border-style: solid;
4335: border-width: 1px;
4336: background: $tabbg;
4337: }
1.523 albertel 4338: table.thinborder tr td {
1.510 albertel 4339: border-style: solid;
4340: border-width: 1px
4341: }
1.426 albertel 4342:
1.343 albertel 4343: form, .inline { display: inline; }
4344: .center { text-align: center; }
1.593 albertel 4345: .LC_filename {font-family: $mono; white-space:pre;}
1.350 albertel 4346: .LC_error {
4347: color: red;
4348: font-size: larger;
4349: }
1.457 albertel 4350: .LC_warning,
4351: .LC_diff_removed {
1.394 albertel 4352: color: red;
4353: }
1.532 albertel 4354:
4355: .LC_info,
1.457 albertel 4356: .LC_success,
4357: .LC_diff_added {
1.350 albertel 4358: color: green;
4359: }
1.543 albertel 4360: .LC_unknown {
4361: color: yellow;
4362: }
4363:
1.440 albertel 4364: .LC_icon {
4365: border: 0px;
4366: }
1.539 albertel 4367: .LC_indexer_icon {
4368: border: 0px;
4369: height: 22px;
4370: }
1.543 albertel 4371: .LC_docs_spacer {
4372: width: 25px;
4373: height: 1px;
4374: border: 0px;
4375: }
1.346 albertel 4376:
1.532 albertel 4377: .LC_internal_info {
4378: color: #999;
4379: }
4380:
1.458 albertel 4381: table.LC_pastsubmission {
4382: border: 1px solid black;
4383: margin: 2px;
4384: }
4385:
1.606 albertel 4386: table#LC_top_nav, table#LC_menubuttons,table#LC_nav_location {
1.345 albertel 4387: width: 100%;
4388: background: $pgbg;
1.392 albertel 4389: border: 2px;
1.402 albertel 4390: border-collapse: separate;
1.403 albertel 4391: padding: 0px;
1.345 albertel 4392: }
1.392 albertel 4393:
1.606 albertel 4394: table#LC_title_bar, table.LC_breadcrumbs,
1.393 albertel 4395: table#LC_title_bar.LC_with_remote {
1.359 albertel 4396: width: 100%;
1.392 albertel 4397: border-color: $pgbg;
4398: border-style: solid;
4399: border-width: $border;
4400:
1.379 albertel 4401: background: $pgbg;
4402: font-family: $sans;
1.392 albertel 4403: border-collapse: collapse;
1.403 albertel 4404: padding: 0px;
1.359 albertel 4405: }
1.392 albertel 4406:
1.409 albertel 4407: table.LC_docs_path {
4408: width: 100%;
4409: border: 0;
4410: background: $pgbg;
4411: font-family: $sans;
4412: border-collapse: collapse;
4413: padding: 0px;
4414: }
4415:
1.359 albertel 4416: table#LC_title_bar td {
4417: background: $tabbg;
4418: }
4419: table#LC_title_bar td.LC_title_bar_who {
4420: background: $tabbg;
4421: color: $font;
1.427 albertel 4422: font: small $sans;
1.359 albertel 4423: text-align: right;
4424: }
1.469 banghart 4425: span.LC_metadata {
4426: font-family: $sans;
4427: }
1.359 albertel 4428: span.LC_title_bar_title {
1.416 albertel 4429: font: bold x-large $sans;
1.359 albertel 4430: }
4431: table#LC_title_bar td.LC_title_bar_domain_logo {
4432: background: $sidebg;
4433: text-align: right;
1.368 albertel 4434: padding: 0px;
4435: }
4436: table#LC_title_bar td.LC_title_bar_role_logo {
4437: background: $sidebg;
4438: padding: 0px;
1.359 albertel 4439: }
4440:
1.346 albertel 4441: table#LC_menubuttons_mainmenu {
1.526 www 4442: width: 100%;
1.346 albertel 4443: border: 0px;
4444: border-spacing: 1px;
1.372 albertel 4445: padding: 0px 1px;
1.346 albertel 4446: margin: 0px;
4447: border-collapse: separate;
4448: }
4449: table#LC_menubuttons img, table#LC_menubuttons_mainmenu img {
4450: border: 0px;
4451: }
1.345 albertel 4452: table#LC_top_nav td {
4453: background: $tabbg;
1.392 albertel 4454: border: 0px;
1.407 albertel 4455: font-size: small;
1.345 albertel 4456: }
4457: table#LC_top_nav td a, div#LC_top_nav a {
4458: color: $font;
4459: font-family: $sans;
4460: }
1.364 albertel 4461: table#LC_top_nav td.LC_top_nav_logo {
4462: background: $tabbg;
1.432 albertel 4463: text-align: left;
1.408 albertel 4464: white-space: nowrap;
1.432 albertel 4465: width: 31px;
1.408 albertel 4466: }
4467: table#LC_top_nav td.LC_top_nav_logo img {
1.432 albertel 4468: border: 0px;
1.408 albertel 4469: vertical-align: bottom;
1.364 albertel 4470: }
1.432 albertel 4471: table#LC_top_nav td.LC_top_nav_exit,
4472: table#LC_top_nav td.LC_top_nav_help {
4473: width: 2.0em;
4474: }
1.442 albertel 4475: table#LC_top_nav td.LC_top_nav_login {
4476: width: 4.0em;
4477: text-align: center;
4478: }
1.409 albertel 4479: table.LC_breadcrumbs td, table.LC_docs_path td {
1.357 albertel 4480: background: $tabbg;
4481: color: $font;
4482: font-family: $sans;
1.358 albertel 4483: font-size: smaller;
1.357 albertel 4484: }
1.411 albertel 4485: table.LC_breadcrumbs td.LC_breadcrumbs_component,
1.409 albertel 4486: table.LC_docs_path td.LC_docs_path_component {
1.357 albertel 4487: background: $tabbg;
4488: color: $font;
4489: font-family: $sans;
4490: font-size: larger;
4491: text-align: right;
4492: }
1.383 albertel 4493: td.LC_table_cell_checkbox {
4494: text-align: center;
4495: }
4496:
1.522 albertel 4497: table#LC_mainmenu td.LC_mainmenu_column {
4498: vertical-align: top;
4499: }
4500:
1.346 albertel 4501: .LC_menubuttons_inline_text {
4502: color: $font;
4503: font-family: $sans;
4504: font-size: smaller;
4505: }
4506:
1.526 www 4507: .LC_menubuttons_link {
4508: text-decoration: none;
4509: }
4510:
1.522 albertel 4511: .LC_menubuttons_category {
1.521 www 4512: color: $font;
1.526 www 4513: background: $pgbg;
1.521 www 4514: font-family: $sans;
4515: font-size: larger;
4516: font-weight: bold;
4517: }
4518:
1.346 albertel 4519: td.LC_menubuttons_text {
1.526 www 4520: width: 90%;
1.346 albertel 4521: color: $font;
4522: font-family: $sans;
4523: }
1.526 www 4524:
1.346 albertel 4525: td.LC_menubuttons_img {
4526: }
1.526 www 4527:
1.346 albertel 4528: .LC_current_location {
4529: font-family: $sans;
4530: background: $tabbg;
4531: }
4532: .LC_new_mail {
4533: font-family: $sans;
1.634 www 4534: background: $tabbg;
1.346 albertel 4535: font-weight: bold;
4536: }
1.347 albertel 4537:
1.526 www 4538: .LC_rolesmenu_is {
4539: font-family: $sans;
4540: }
4541:
4542: .LC_rolesmenu_selected {
4543: font-family: $sans;
4544: }
4545:
4546: .LC_rolesmenu_future {
4547: font-family: $sans;
4548: }
4549:
4550:
4551: .LC_rolesmenu_will {
4552: font-family: $sans;
4553: }
4554:
4555: .LC_rolesmenu_will_not {
4556: font-family: $sans;
4557: }
4558:
4559: .LC_rolesmenu_expired {
4560: font-family: $sans;
4561: }
4562:
4563: .LC_rolesinfo {
4564: font-family: $sans;
4565: }
4566:
1.527 www 4567: .LC_dropadd_labeltext {
4568: font-family: $sans;
4569: text-align: right;
4570: }
4571:
4572: .LC_preferences_labeltext {
4573: font-family: $sans;
4574: text-align: right;
4575: }
4576:
1.666 raeburn 4577: .LC_roleslog_note {
4578: font-size: smaller;
4579: }
4580:
1.440 albertel 4581: table.LC_aboutme_port {
4582: border: 0px;
4583: border-collapse: collapse;
4584: border-spacing: 0px;
4585: }
1.349 albertel 4586: table.LC_data_table, table.LC_mail_list {
1.347 albertel 4587: border: 1px solid #000000;
1.402 albertel 4588: border-collapse: separate;
1.426 albertel 4589: border-spacing: 1px;
1.610 albertel 4590: background: $pgbg;
1.347 albertel 4591: }
1.422 albertel 4592: .LC_data_table_dense {
4593: font-size: small;
4594: }
1.507 raeburn 4595: table.LC_nested_outer {
4596: border: 1px solid #000000;
1.589 raeburn 4597: border-collapse: collapse;
1.507 raeburn 4598: border-spacing: 0px;
4599: width: 100%;
4600: }
4601: table.LC_nested {
4602: border: 0px;
1.589 raeburn 4603: border-collapse: collapse;
1.507 raeburn 4604: border-spacing: 0px;
4605: width: 100%;
4606: }
1.523 albertel 4607: table.LC_data_table tr th, table.LC_calendar tr th, table.LC_mail_list tr th,
4608: table.LC_prior_tries tr th {
1.349 albertel 4609: font-weight: bold;
4610: background-color: $data_table_head;
1.421 albertel 4611: font-size: smaller;
1.347 albertel 4612: }
1.610 albertel 4613: table.LC_data_table tr.LC_odd_row > td,
1.440 albertel 4614: table.LC_aboutme_port tr td {
1.349 albertel 4615: background-color: $data_table_light;
1.425 albertel 4616: padding: 2px;
1.347 albertel 4617: }
1.610 albertel 4618: table.LC_data_table tr.LC_even_row > td,
1.440 albertel 4619: table.LC_aboutme_port tr.LC_even_row td {
1.349 albertel 4620: background-color: $data_table_dark;
1.347 albertel 4621: }
1.425 albertel 4622: table.LC_data_table tr.LC_data_table_highlight td {
4623: background-color: $data_table_darker;
4624: }
1.639 raeburn 4625: table.LC_data_table tr td.LC_leftcol_header {
4626: background-color: $data_table_head;
4627: font-weight: bold;
4628: }
1.451 albertel 4629: table.LC_data_table tr.LC_empty_row td,
1.507 raeburn 4630: table.LC_nested tr.LC_empty_row td {
1.347 albertel 4631: background-color: #FFFFFF;
1.421 albertel 4632: font-weight: bold;
4633: font-style: italic;
4634: text-align: center;
4635: padding: 8px;
1.347 albertel 4636: }
1.507 raeburn 4637: table.LC_nested tr.LC_empty_row td {
1.465 albertel 4638: padding: 4ex
4639: }
1.507 raeburn 4640: table.LC_nested_outer tr th {
4641: font-weight: bold;
4642: background-color: $data_table_head;
4643: font-size: smaller;
4644: border-bottom: 1px solid #000000;
4645: }
4646: table.LC_nested_outer tr td.LC_subheader {
4647: background-color: $data_table_head;
4648: font-weight: bold;
4649: font-size: small;
4650: border-bottom: 1px solid #000000;
4651: text-align: right;
1.451 albertel 4652: }
1.507 raeburn 4653: table.LC_nested tr.LC_info_row td {
1.451 albertel 4654: background-color: #CCC;
4655: font-weight: bold;
4656: font-size: small;
1.507 raeburn 4657: text-align: center;
4658: }
1.589 raeburn 4659: table.LC_nested tr.LC_info_row td.LC_left_item,
4660: table.LC_nested_outer tr th.LC_left_item {
1.507 raeburn 4661: text-align: left;
1.451 albertel 4662: }
1.507 raeburn 4663: table.LC_nested td {
1.451 albertel 4664: background-color: #FFF;
4665: font-size: small;
1.507 raeburn 4666: }
4667: table.LC_nested_outer tr th.LC_right_item,
4668: table.LC_nested tr.LC_info_row td.LC_right_item,
4669: table.LC_nested tr.LC_odd_row td.LC_right_item,
4670: table.LC_nested tr td.LC_right_item {
1.451 albertel 4671: text-align: right;
4672: }
4673:
1.507 raeburn 4674: table.LC_nested tr.LC_odd_row td {
1.451 albertel 4675: background-color: #EEE;
4676: }
4677:
1.473 raeburn 4678: table.LC_createuser {
4679: }
4680:
4681: table.LC_createuser tr.LC_section_row td {
4682: font-size: smaller;
4683: }
4684:
4685: table.LC_createuser tr.LC_info_row td {
4686: background-color: #CCC;
4687: font-weight: bold;
4688: text-align: center;
4689: }
4690:
1.349 albertel 4691: table.LC_calendar {
4692: border: 1px solid #000000;
4693: border-collapse: collapse;
4694: }
4695: table.LC_calendar_pickdate {
4696: font-size: xx-small;
4697: }
4698: table.LC_calendar tr td {
4699: border: 1px solid #000000;
4700: vertical-align: top;
4701: }
4702: table.LC_calendar tr td.LC_calendar_day_empty {
4703: background-color: $data_table_dark;
4704: }
4705: table.LC_calendar tr td.LC_calendar_day_current {
4706: background-color: $data_table_highlight;
4707: }
4708:
4709: table.LC_mail_list tr.LC_mail_new {
4710: background-color: $mail_new;
4711: }
4712: table.LC_mail_list tr.LC_mail_new:hover {
4713: background-color: $mail_new_hover;
4714: }
4715: table.LC_mail_list tr.LC_mail_read {
4716: background-color: $mail_read;
4717: }
4718: table.LC_mail_list tr.LC_mail_read:hover {
4719: background-color: $mail_read_hover;
4720: }
4721: table.LC_mail_list tr.LC_mail_replied {
4722: background-color: $mail_replied;
4723: }
4724: table.LC_mail_list tr.LC_mail_replied:hover {
4725: background-color: $mail_replied_hover;
4726: }
4727: table.LC_mail_list tr.LC_mail_other {
4728: background-color: $mail_other;
4729: }
4730: table.LC_mail_list tr.LC_mail_other:hover {
4731: background-color: $mail_other_hover;
4732: }
1.494 raeburn 4733: table.LC_mail_list tr.LC_mail_even {
4734: }
4735: table.LC_mail_list tr.LC_mail_odd {
4736: }
4737:
1.385 albertel 4738:
1.386 albertel 4739: table#LC_portfolio_actions {
4740: width: auto;
4741: background: $pgbg;
4742: border: 0px;
4743: border-spacing: 2px 2px;
4744: padding: 0px;
4745: margin: 0px;
4746: border-collapse: separate;
4747: }
4748: table#LC_portfolio_actions td.LC_label {
4749: background: $tabbg;
4750: text-align: right;
4751: }
4752: table#LC_portfolio_actions td.LC_value {
4753: background: $tabbg;
4754: }
1.385 albertel 4755:
1.391 albertel 4756: table#LC_cstr_controls {
4757: width: 100%;
4758: border-collapse: collapse;
4759: }
4760: table#LC_cstr_controls tr td {
4761: border: 4px solid $pgbg;
4762: padding: 4px;
4763: text-align: center;
4764: background: $tabbg;
4765: }
4766: table#LC_cstr_controls tr th {
4767: border: 4px solid $pgbg;
4768: background: $table_header;
4769: text-align: center;
4770: font-family: $sans;
4771: font-size: smaller;
4772: }
4773:
1.389 albertel 4774: table#LC_browser {
4775:
4776: }
4777: table#LC_browser tr th {
1.391 albertel 4778: background: $table_header;
1.389 albertel 4779: }
1.390 albertel 4780: table#LC_browser tr td {
4781: padding: 2px;
4782: }
1.389 albertel 4783: table#LC_browser tr.LC_browser_file,
4784: table#LC_browser tr.LC_browser_file_published {
4785: background: #CCFF88;
4786: }
4787: table#LC_browser tr.LC_browser_file_locked,
4788: table#LC_browser tr.LC_browser_file_unpublished {
4789: background: #FFAA99;
1.387 albertel 4790: }
1.389 albertel 4791: table#LC_browser tr.LC_browser_file_obsolete {
4792: background: #AAAAAA;
1.387 albertel 4793: }
1.455 albertel 4794: table#LC_browser tr.LC_browser_file_modified,
4795: table#LC_browser tr.LC_browser_file_metamodified {
1.389 albertel 4796: background: #FFFF77;
1.387 albertel 4797: }
1.389 albertel 4798: table#LC_browser tr.LC_browser_folder {
4799: background: #CCCCFF;
1.387 albertel 4800: }
1.388 albertel 4801: span.LC_current_location {
4802: font-size: x-large;
4803: background: $pgbg;
4804: }
1.387 albertel 4805:
1.395 albertel 4806: span.LC_parm_menu_item {
4807: font-size: larger;
4808: font-family: $sans;
4809: }
4810: span.LC_parm_scope_all {
4811: color: red;
4812: }
4813: span.LC_parm_scope_folder {
4814: color: green;
4815: }
4816: span.LC_parm_scope_resource {
4817: color: orange;
4818: }
4819: span.LC_parm_part {
4820: color: blue;
4821: }
4822: span.LC_parm_folder, span.LC_parm_symb {
4823: font-size: x-small;
4824: font-family: $mono;
4825: color: #AAAAAA;
4826: }
4827:
1.396 albertel 4828: td.LC_parm_overview_level_menu, td.LC_parm_overview_map_menu,
4829: td.LC_parm_overview_parm_selectors, td.LC_parm_overview_parm_restrictions {
4830: border: 1px solid black;
4831: border-collapse: collapse;
4832: }
4833: table.LC_parm_overview_restrictions td {
4834: border-width: 1px 4px 1px 4px;
4835: border-style: solid;
4836: border-color: $pgbg;
4837: text-align: center;
4838: }
4839: table.LC_parm_overview_restrictions th {
4840: background: $tabbg;
4841: border-width: 1px 4px 1px 4px;
4842: border-style: solid;
4843: border-color: $pgbg;
4844: }
1.398 albertel 4845: table#LC_helpmenu {
4846: border: 0px;
4847: height: 55px;
4848: border-spacing: 0px;
4849: }
4850:
4851: table#LC_helpmenu fieldset legend {
4852: font-size: larger;
4853: font-weight: bold;
4854: }
1.397 albertel 4855: table#LC_helpmenu_links {
4856: width: 100%;
4857: border: 1px solid black;
4858: background: $pgbg;
4859: padding: 0px;
4860: border-spacing: 1px;
4861: }
4862: table#LC_helpmenu_links tr td {
4863: padding: 1px;
4864: background: $tabbg;
1.399 albertel 4865: text-align: center;
4866: font-weight: bold;
1.397 albertel 4867: }
1.396 albertel 4868:
1.397 albertel 4869: table#LC_helpmenu_links a:link, table#LC_helpmenu_links a:visited,
4870: table#LC_helpmenu_links a:active {
4871: text-decoration: none;
4872: color: $font;
4873: }
4874: table#LC_helpmenu_links a:hover {
4875: text-decoration: underline;
4876: color: $vlink;
4877: }
1.396 albertel 4878:
1.417 albertel 4879: .LC_chrt_popup_exists {
4880: border: 1px solid #339933;
4881: margin: -1px;
4882: }
4883: .LC_chrt_popup_up {
4884: border: 1px solid yellow;
4885: margin: -1px;
4886: }
4887: .LC_chrt_popup {
4888: border: 1px solid #8888FF;
4889: background: #CCCCFF;
4890: }
1.421 albertel 4891: table.LC_pick_box {
4892: border-collapse: separate;
4893: background: white;
4894: border: 1px solid black;
4895: border-spacing: 1px;
4896: }
4897: table.LC_pick_box td.LC_pick_box_title {
4898: background: $tabbg;
4899: font-weight: bold;
4900: text-align: right;
4901: width: 184px;
4902: padding: 8px;
4903: }
1.645 raeburn 4904: table.LC_pick_box td.LC_selfenroll_pick_box_title {
4905: background: $tabbg;
4906: font-weight: bold;
4907: text-align: right;
4908: width: 350px;
4909: padding: 8px;
4910: }
4911:
1.579 raeburn 4912: table.LC_pick_box td.LC_pick_box_value {
4913: text-align: left;
4914: padding: 8px;
4915: }
4916: table.LC_pick_box td.LC_pick_box_select {
4917: text-align: left;
4918: padding: 8px;
4919: }
1.424 albertel 4920: table.LC_pick_box td.LC_pick_box_separator {
1.421 albertel 4921: padding: 0px;
4922: height: 1px;
4923: background: black;
4924: }
4925: table.LC_pick_box td.LC_pick_box_submit {
4926: text-align: right;
4927: }
1.579 raeburn 4928: table.LC_pick_box td.LC_evenrow_value {
4929: text-align: left;
4930: padding: 8px;
4931: background-color: $data_table_light;
4932: }
4933: table.LC_pick_box td.LC_oddrow_value {
4934: text-align: left;
4935: padding: 8px;
4936: background-color: $data_table_light;
4937: }
4938: table.LC_helpform_receipt {
4939: width: 620px;
4940: border-collapse: separate;
4941: background: white;
4942: border: 1px solid black;
4943: border-spacing: 1px;
4944: }
4945: table.LC_helpform_receipt td.LC_pick_box_title {
4946: background: $tabbg;
4947: font-weight: bold;
4948: text-align: right;
4949: width: 184px;
4950: padding: 8px;
4951: }
4952: table.LC_helpform_receipt td.LC_evenrow_value {
4953: text-align: left;
4954: padding: 8px;
4955: background-color: $data_table_light;
4956: }
4957: table.LC_helpform_receipt td.LC_oddrow_value {
4958: text-align: left;
4959: padding: 8px;
4960: background-color: $data_table_light;
4961: }
4962: table.LC_helpform_receipt td.LC_pick_box_separator {
4963: padding: 0px;
4964: height: 1px;
4965: background: black;
4966: }
4967: span.LC_helpform_receipt_cat {
4968: font-weight: bold;
4969: }
1.424 albertel 4970: table.LC_group_priv_box {
4971: background: white;
4972: border: 1px solid black;
4973: border-spacing: 1px;
4974: }
4975: table.LC_group_priv_box td.LC_pick_box_title {
4976: background: $tabbg;
4977: font-weight: bold;
4978: text-align: right;
4979: width: 184px;
4980: }
4981: table.LC_group_priv_box td.LC_groups_fixed {
4982: background: $data_table_light;
4983: text-align: center;
4984: }
4985: table.LC_group_priv_box td.LC_groups_optional {
4986: background: $data_table_dark;
4987: text-align: center;
4988: }
4989: table.LC_group_priv_box td.LC_groups_functionality {
4990: background: $data_table_darker;
4991: text-align: center;
4992: font-weight: bold;
4993: }
4994: table.LC_group_priv td {
4995: text-align: left;
4996: padding: 0px;
4997: }
4998:
1.421 albertel 4999: table.LC_notify_front_page {
5000: background: white;
5001: border: 1px solid black;
5002: padding: 8px;
5003: }
5004: table.LC_notify_front_page td {
5005: padding: 8px;
5006: }
1.424 albertel 5007: .LC_navbuttons {
5008: margin: 2ex 0ex 2ex 0ex;
5009: }
1.423 albertel 5010: .LC_topic_bar {
5011: font-family: $sans;
5012: font-weight: bold;
5013: width: 100%;
5014: background: $tabbg;
5015: vertical-align: middle;
5016: margin: 2ex 0ex 2ex 0ex;
5017: }
5018: .LC_topic_bar span {
5019: vertical-align: middle;
5020: }
5021: .LC_topic_bar img {
5022: vertical-align: bottom;
5023: }
5024: table.LC_course_group_status {
5025: margin: 20px;
5026: }
5027: table.LC_status_selector td {
5028: vertical-align: top;
5029: text-align: center;
1.424 albertel 5030: padding: 4px;
5031: }
5032: table.LC_descriptive_input td.LC_description {
5033: vertical-align: top;
5034: text-align: right;
5035: font-weight: bold;
1.423 albertel 5036: }
1.599 albertel 5037: div.LC_feedback_link {
1.616 albertel 5038: clear: both;
1.599 albertel 5039: background: white;
5040: width: 100%;
1.489 raeburn 5041: }
5042: span.LC_feedback_link {
1.599 albertel 5043: background: $feedback_link_bg;
5044: font-size: larger;
5045: }
5046: span.LC_message_link {
5047: background: $feedback_link_bg;
5048: font-size: larger;
5049: position: absolute;
5050: right: 1em;
1.489 raeburn 5051: }
1.421 albertel 5052:
1.515 albertel 5053: table.LC_prior_tries {
1.524 albertel 5054: border: 1px solid #000000;
5055: border-collapse: separate;
5056: border-spacing: 1px;
1.515 albertel 5057: }
1.523 albertel 5058:
1.515 albertel 5059: table.LC_prior_tries td {
1.524 albertel 5060: padding: 2px;
1.515 albertel 5061: }
1.523 albertel 5062:
5063: .LC_answer_correct {
5064: background: #AAFFAA;
5065: color: black;
5066: }
5067: .LC_answer_charged_try {
5068: background: #FFAAAA ! important;
5069: color: black;
5070: }
5071: .LC_answer_not_charged_try,
5072: .LC_answer_no_grade,
5073: .LC_answer_late {
5074: background: #FFFFAA;
5075: color: black;
5076: }
5077: .LC_answer_previous {
5078: background: #AAAAFF;
5079: color: black;
5080: }
5081: .LC_answer_no_message {
5082: background: #FFFFFF;
5083: color: black;
5084: }
5085: .LC_answer_unknown {
5086: background: orange;
5087: color: black;
5088: }
5089:
5090:
1.529 albertel 5091: span.LC_prior_numerical,
5092: span.LC_prior_string,
5093: span.LC_prior_custom,
5094: span.LC_prior_reaction,
5095: span.LC_prior_math {
1.523 albertel 5096: font-family: monospace;
5097: white-space: pre;
5098: }
5099:
1.525 albertel 5100: span.LC_prior_string {
5101: font-family: monospace;
5102: white-space: pre;
5103: }
5104:
1.523 albertel 5105: table.LC_prior_option {
5106: width: 100%;
5107: border-collapse: collapse;
5108: }
1.528 albertel 5109: table.LC_prior_rank, table.LC_prior_match {
5110: border-collapse: collapse;
5111: }
5112: table.LC_prior_option tr td,
5113: table.LC_prior_rank tr td,
5114: table.LC_prior_match tr td {
1.524 albertel 5115: border: 1px solid #000000;
1.515 albertel 5116: }
5117:
1.519 raeburn 5118: span.LC_nobreak {
1.544 albertel 5119: white-space: nowrap;
1.519 raeburn 5120: }
5121:
1.576 raeburn 5122: span.LC_cusr_emph {
5123: font-style: italic;
5124: }
5125:
1.633 raeburn 5126: span.LC_cusr_subheading {
5127: font-weight: normal;
5128: font-size: 85%;
5129: }
5130:
1.545 albertel 5131: table.LC_docs_documents {
5132: background: #BBBBBB;
1.547 albertel 5133: border-width: 0px;
1.545 albertel 5134: border-collapse: collapse;
5135: }
5136:
5137: table.LC_docs_documents td.LC_docs_document {
5138: border: 2px solid black;
5139: padding: 4px;
5140: }
5141:
5142: .LC_docs_course_commands div {
5143: float: left;
5144: border: 4px solid #AAAAAA;
5145: padding: 4px;
5146: background: #DDDDCC;
5147: }
5148:
5149: .LC_docs_entry_move {
5150: border: 0px;
5151: border-collapse: collapse;
1.544 albertel 5152: }
5153:
1.545 albertel 5154: .LC_docs_entry_move td {
5155: border: 2px solid #BBBBBB;
5156: background: #DDDDDD;
5157: }
5158:
5159: .LC_docs_editor td.LC_docs_entry_commands {
5160: background: #DDDDDD;
5161: font-size: x-small;
5162: }
1.544 albertel 5163: .LC_docs_copy {
1.545 albertel 5164: color: #000099;
1.544 albertel 5165: }
5166: .LC_docs_cut {
1.545 albertel 5167: color: #550044;
1.544 albertel 5168: }
5169: .LC_docs_rename {
1.545 albertel 5170: color: #009900;
1.544 albertel 5171: }
5172: .LC_docs_remove {
1.545 albertel 5173: color: #990000;
5174: }
5175:
1.547 albertel 5176: .LC_docs_reinit_warn,
5177: .LC_docs_ext_edit {
5178: font-size: x-small;
5179: }
5180:
1.545 albertel 5181: .LC_docs_editor td.LC_docs_entry_title,
5182: .LC_docs_editor td.LC_docs_entry_icon {
5183: background: #FFFFBB;
5184: }
5185: .LC_docs_editor td.LC_docs_entry_parameter {
5186: background: #BBBBFF;
5187: font-size: x-small;
5188: white-space: nowrap;
5189: }
5190:
5191: table.LC_docs_adddocs td,
5192: table.LC_docs_adddocs th {
5193: border: 1px solid #BBBBBB;
5194: padding: 4px;
5195: background: #DDDDDD;
1.543 albertel 5196: }
5197:
1.584 albertel 5198: table.LC_sty_begin {
5199: background: #BBFFBB;
5200: }
5201: table.LC_sty_end {
5202: background: #FFBBBB;
5203: }
5204:
1.589 raeburn 5205: table.LC_double_column {
5206: border-width: 0px;
5207: border-collapse: collapse;
5208: width: 100%;
5209: padding: 2px;
5210: }
5211:
5212: table.LC_double_column tr td.LC_left_col {
1.590 raeburn 5213: top: 2px;
1.589 raeburn 5214: left: 2px;
5215: width: 47%;
5216: vertical-align: top;
5217: }
5218:
5219: table.LC_double_column tr td.LC_right_col {
5220: top: 2px;
5221: right: 2px;
5222: width: 47%;
5223: vertical-align: top;
5224: }
5225:
1.594 raeburn 5226: span.LC_role_level {
5227: font-weight: bold;
5228: }
5229:
1.591 raeburn 5230: div.LC_left_float {
5231: float: left;
5232: padding-right: 5%;
1.597 albertel 5233: padding-bottom: 4px;
1.591 raeburn 5234: }
5235:
5236: div.LC_clear_float_header {
1.597 albertel 5237: padding-bottom: 2px;
1.591 raeburn 5238: }
5239:
5240: div.LC_clear_float_footer {
1.597 albertel 5241: padding-top: 10px;
1.591 raeburn 5242: clear: both;
5243: }
5244:
1.597 albertel 5245:
1.601 albertel 5246: div.LC_grade_select_mode {
1.604 albertel 5247: font-family: $sans;
1.601 albertel 5248: }
5249: div.LC_grade_select_mode div div {
5250: margin: 5px;
5251: }
5252: div.LC_grade_select_mode_selector {
5253: margin: 5px;
5254: float: left;
5255: }
5256: div.LC_grade_select_mode_selector_header {
5257: font: bold medium $sans;
5258: }
5259: div.LC_grade_select_mode_type {
5260: clear: left;
5261: }
5262:
1.597 albertel 5263: div.LC_grade_show_user {
5264: margin-top: 20px;
5265: border: 1px solid black;
5266: }
5267: div.LC_grade_user_name {
5268: background: #DDDDEE;
5269: border-bottom: 1px solid black;
5270: font: bold large $sans;
5271: }
5272: div.LC_grade_show_user_odd_row div.LC_grade_user_name {
5273: background: #DDEEDD;
5274: }
5275:
5276: div.LC_grade_show_problem,
5277: div.LC_grade_submissions,
5278: div.LC_grade_message_center,
5279: div.LC_grade_info_links,
5280: div.LC_grade_assign {
5281: margin: 5px;
5282: width: 99%;
5283: background: #FFFFFF;
5284: }
5285: div.LC_grade_show_problem_header,
5286: div.LC_grade_submissions_header,
5287: div.LC_grade_message_center_header,
5288: div.LC_grade_assign_header {
5289: font: bold large $sans;
5290: }
5291: div.LC_grade_show_problem_problem,
5292: div.LC_grade_submissions_body,
5293: div.LC_grade_message_center_body,
5294: div.LC_grade_assign_body {
5295: border: 1px solid black;
5296: width: 99%;
5297: background: #FFFFFF;
5298: }
1.598 albertel 5299: span.LC_grade_check_note {
5300: font: normal medium $sans;
5301: display: inline;
5302: position: absolute;
5303: right: 1em;
5304: }
1.597 albertel 5305:
1.613 albertel 5306: table.LC_scantron_action {
5307: width: 100%;
5308: }
5309: table.LC_scantron_action tr th {
5310: font: normal bold $sans;
5311: }
1.600 albertel 5312:
1.614 albertel 5313: div.LC_edit_problem_header,
5314: div.LC_edit_problem_footer {
1.600 albertel 5315: font: normal medium $sans;
1.602 albertel 5316: margin: 2px;
1.600 albertel 5317: }
5318: div.LC_edit_problem_header,
1.602 albertel 5319: div.LC_edit_problem_header div,
1.614 albertel 5320: div.LC_edit_problem_footer,
5321: div.LC_edit_problem_footer div,
1.602 albertel 5322: div.LC_edit_problem_editxml_header,
5323: div.LC_edit_problem_editxml_header div {
1.600 albertel 5324: margin-top: 5px;
5325: }
1.602 albertel 5326: div.LC_edit_problem_header_edit_row {
5327: background: $tabbg;
5328: padding: 3px;
5329: margin-bottom: 5px;
5330: }
1.600 albertel 5331: div.LC_edit_problem_header_title {
1.602 albertel 5332: font: larger bold $sans;
5333: background: $tabbg;
5334: padding: 3px;
5335: }
5336: table.LC_edit_problem_header_title {
5337: font: larger bold $sans;
5338: width: 100%;
5339: border-color: $pgbg;
5340: border-style: solid;
5341: border-width: $border;
5342:
1.600 albertel 5343: background: $tabbg;
1.602 albertel 5344: border-collapse: collapse;
5345: padding: 0px
5346: }
5347:
5348: div.LC_edit_problem_discards {
5349: float: left;
5350: padding-bottom: 5px;
5351: }
5352: div.LC_edit_problem_saves {
5353: float: right;
5354: padding-bottom: 5px;
1.600 albertel 5355: }
5356: hr.LC_edit_problem_divide {
1.602 albertel 5357: clear: both;
1.600 albertel 5358: color: $tabbg;
5359: background-color: $tabbg;
5360: height: 3px;
5361: border: 0px;
5362: }
1.679 ! riegler 5363: img.stift{
1.678 riegler 5364: border-width:0;
1.679 ! riegler 5365: vertical-align:middle;
1.677 riegler 5366: }
1.343 albertel 5367: END
5368: }
5369:
1.306 albertel 5370: =pod
5371:
5372: =item * &headtag()
5373:
5374: Returns a uniform footer for LON-CAPA web pages.
5375:
1.307 albertel 5376: Inputs: $title - optional title for the head
5377: $head_extra - optional extra HTML to put inside the <head>
1.315 albertel 5378: $args - optional arguments
1.319 albertel 5379: force_register - if is true call registerurl so the remote is
5380: informed
1.415 albertel 5381: redirect -> array ref of
5382: 1- seconds before redirect occurs
5383: 2- url to redirect to
5384: 3- whether the side effect should occur
1.315 albertel 5385: (side effect of setting
5386: $env{'internal.head.redirect'} to the url
5387: redirected too)
1.352 albertel 5388: domain -> force to color decorate a page for a specific
5389: domain
5390: function -> force usage of a specific rolish color scheme
5391: bgcolor -> override the default page bgcolor
1.460 albertel 5392: no_auto_mt_title
5393: -> prevent &mt()ing the title arg
1.464 albertel 5394:
1.306 albertel 5395: =cut
5396:
5397: sub headtag {
1.313 albertel 5398: my ($title,$head_extra,$args) = @_;
1.306 albertel 5399:
1.363 albertel 5400: my $function = $args->{'function'} || &get_users_function();
5401: my $domain = $args->{'domain'} || &determinedomain();
5402: my $bgcolor = $args->{'bgcolor'} || &designparm($function.'.pgbg',$domain);
1.418 albertel 5403: my $url = join(':',$env{'user.name'},$env{'user.domain'},
1.458 albertel 5404: $Apache::lonnet::perlvar{'lonVersion'},
1.531 albertel 5405: #time(),
1.418 albertel 5406: $env{'environment.color.timestamp'},
1.363 albertel 5407: $function,$domain,$bgcolor);
5408:
1.369 www 5409: $url = '/adm/css/'.&escape($url).'.css';
1.363 albertel 5410:
1.308 albertel 5411: my $result =
5412: '<head>'.
1.461 albertel 5413: &font_settings();
1.319 albertel 5414:
1.461 albertel 5415: if (!$args->{'frameset'}) {
5416: $result .= &Apache::lonhtmlcommon::htmlareaheaders();
5417: }
1.319 albertel 5418: if ($args->{'force_register'}) {
5419: $result .= &Apache::lonmenu::registerurl(1);
5420: }
1.436 albertel 5421: if (!$args->{'no_nav_bar'}
5422: && !$args->{'only_body'}
5423: && !$args->{'frameset'}) {
5424: $result .= &help_menu_js();
5425: }
1.319 albertel 5426:
1.314 albertel 5427: if (ref($args->{'redirect'})) {
1.414 albertel 5428: my ($time,$url,$inhibit_continue) = @{$args->{'redirect'}};
1.315 albertel 5429: $url = &Apache::lonenc::check_encrypt($url);
1.414 albertel 5430: if (!$inhibit_continue) {
5431: $env{'internal.head.redirect'} = $url;
5432: }
1.313 albertel 5433: $result.=<<ADDMETA
5434: <meta http-equiv="pragma" content="no-cache" />
1.344 albertel 5435: <meta http-equiv="Refresh" content="$time; url=$url" />
1.313 albertel 5436: ADDMETA
5437: }
1.306 albertel 5438: if (!defined($title)) {
5439: $title = 'The LearningOnline Network with CAPA';
5440: }
1.460 albertel 5441: if (!$args->{'no_auto_mt_title'}) { $title = &mt($title); }
5442: $result .= '<title> LON-CAPA '.$title.'</title>'
1.414 albertel 5443: .'<link rel="stylesheet" type="text/css" href="'.$url.'" />'
5444: .$head_extra;
1.306 albertel 5445: return $result;
5446: }
5447:
5448: =pod
5449:
1.340 albertel 5450: =item * &font_settings()
5451:
5452: Returns neccessary <meta> to set the proper encoding
5453:
5454: Inputs: none
5455:
5456: =cut
5457:
5458: sub font_settings {
5459: my $headerstring='';
1.647 www 5460: if (!$env{'browser.mathml'} && $env{'browser.unicode'}) {
1.340 albertel 5461: $headerstring.=
5462: '<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />';
5463: }
5464: return $headerstring;
5465: }
5466:
1.341 albertel 5467: =pod
5468:
5469: =item * &xml_begin()
5470:
5471: Returns the needed doctype and <html>
5472:
5473: Inputs: none
5474:
5475: =cut
5476:
5477: sub xml_begin {
5478: my $output='';
5479:
1.592 albertel 5480: if ($env{'internal.start_page'}==1) {
5481: &Apache::lonhtmlcommon::init_htmlareafields();
5482: }
1.342 albertel 5483:
1.341 albertel 5484: if ($env{'browser.mathml'}) {
5485: $output='<?xml version="1.0"?>'
5486: #.'<?xml-stylesheet type="text/css" href="/adm/MathML/mathml.css"?>'."\n"
5487: # .'<!DOCTYPE html SYSTEM "/adm/MathML/mathml.dtd" '
5488:
5489: # .'<!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">] >'
5490: .'<!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">'
5491: .'<html xmlns:math="http://www.w3.org/1998/Math/MathML" '
5492: .'xmlns="http://www.w3.org/1999/xhtml">';
5493: } else {
5494: $output='<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html>';
5495: }
5496: return $output;
5497: }
1.340 albertel 5498:
5499: =pod
5500:
1.306 albertel 5501: =item * &endheadtag()
5502:
5503: Returns a uniform </head> for LON-CAPA web pages.
5504:
5505: Inputs: none
5506:
5507: =cut
5508:
5509: sub endheadtag {
5510: return '</head>';
5511: }
5512:
5513: =pod
5514:
5515: =item * &head()
5516:
5517: Returns a uniform complete <head>..</head> section for LON-CAPA web pages.
5518:
1.648 raeburn 5519: Inputs:
5520:
5521: =over 4
5522:
5523: $title - optional title for the page
5524:
5525: $head_extra - optional extra HTML to put inside the <head>
5526:
5527: =back
1.405 albertel 5528:
1.306 albertel 5529: =cut
5530:
5531: sub head {
1.325 albertel 5532: my ($title,$head_extra,$args) = @_;
5533: return &headtag($title,$head_extra,$args).&endheadtag();
1.306 albertel 5534: }
5535:
5536: =pod
5537:
5538: =item * &start_page()
5539:
5540: Returns a complete <html> .. <body> section for LON-CAPA web pages.
5541:
1.648 raeburn 5542: Inputs:
5543:
5544: =over 4
5545:
5546: $title - optional title for the page
5547:
5548: $head_extra - optional extra HTML to incude inside the <head>
5549:
5550: $args - additional optional args supported are:
5551:
5552: =over 8
5553:
5554: only_body -> is true will set &bodytag() onlybodytag
1.317 albertel 5555: arg on
1.648 raeburn 5556: no_nav_bar -> is true will set &bodytag() notopbar arg on
5557: add_entries -> additional attributes to add to the <body>
5558: domain -> force to color decorate a page for a
1.317 albertel 5559: specific domain
1.648 raeburn 5560: function -> force usage of a specific rolish color
1.317 albertel 5561: scheme
1.648 raeburn 5562: redirect -> see &headtag()
5563: bgcolor -> override the default page bg color
5564: js_ready -> return a string ready for being used in
1.317 albertel 5565: a javascript writeln
1.648 raeburn 5566: html_encode -> return a string ready for being used in
1.320 albertel 5567: a html attribute
1.648 raeburn 5568: force_register -> if is true will turn on the &bodytag()
1.317 albertel 5569: $forcereg arg
1.648 raeburn 5570: body_title -> alternate text to use instead of $title
1.326 albertel 5571: in the title box that appears, this text
5572: is not auto translated like the $title is
1.648 raeburn 5573: frameset -> if true will start with a <frameset>
1.330 albertel 5574: rather than <body>
1.648 raeburn 5575: no_title -> if true the title bar won't be shown
5576: skip_phases -> hash ref of
1.338 albertel 5577: head -> skip the <html><head> generation
5578: body -> skip all <body> generation
1.648 raeburn 5579: no_inline_link -> if true and in remote mode, don't show the
1.361 albertel 5580: 'Switch To Inline Menu' link
1.648 raeburn 5581: no_auto_mt_title -> prevent &mt()ing the title arg
5582: inherit_jsmath -> when creating popup window in a page,
5583: should it have jsmath forced on by the
5584: current page
1.361 albertel 5585:
1.648 raeburn 5586: =back
1.460 albertel 5587:
1.648 raeburn 5588: =back
1.562 albertel 5589:
1.306 albertel 5590: =cut
5591:
5592: sub start_page {
1.309 albertel 5593: my ($title,$head_extra,$args) = @_;
1.318 albertel 5594: #&Apache::lonnet::logthis("start_page ".join(':',caller(0)));
1.313 albertel 5595: my %head_args;
1.352 albertel 5596: foreach my $arg ('redirect','force_register','domain','function',
1.460 albertel 5597: 'bgcolor','frameset','no_nav_bar','only_body',
5598: 'no_auto_mt_title') {
1.319 albertel 5599: if (defined($args->{$arg})) {
1.324 raeburn 5600: $head_args{$arg} = $args->{$arg};
1.319 albertel 5601: }
1.313 albertel 5602: }
1.319 albertel 5603:
1.315 albertel 5604: $env{'internal.start_page'}++;
1.338 albertel 5605: my $result;
5606: if (! exists($args->{'skip_phases'}{'head'}) ) {
5607: $result.=
1.341 albertel 5608: &xml_begin().
1.338 albertel 5609: &headtag($title,$head_extra,\%head_args).&endheadtag();
5610: }
5611:
5612: if (! exists($args->{'skip_phases'}{'body'}) ) {
5613: if ($args->{'frameset'}) {
5614: my $attr_string = &make_attr_string($args->{'force_register'},
5615: $args->{'add_entries'});
5616: $result .= "\n<frameset $attr_string>\n";
5617: } else {
5618: $result .=
5619: &bodytag($title,
5620: $args->{'function'}, $args->{'add_entries'},
5621: $args->{'only_body'}, $args->{'domain'},
5622: $args->{'force_register'}, $args->{'body_title'},
5623: $args->{'no_nav_bar'}, $args->{'bgcolor'},
1.460 albertel 5624: $args->{'no_title'}, $args->{'no_inline_link'},
5625: $args);
1.338 albertel 5626: }
1.330 albertel 5627: }
1.338 albertel 5628:
1.315 albertel 5629: if ($args->{'js_ready'}) {
1.317 albertel 5630: $result = &js_ready($result);
1.315 albertel 5631: }
1.320 albertel 5632: if ($args->{'html_encode'}) {
5633: $result = &html_encode($result);
5634: }
1.315 albertel 5635: return $result;
1.306 albertel 5636: }
5637:
1.330 albertel 5638:
1.306 albertel 5639: =pod
5640:
5641: =item * &head()
5642:
5643: Returns a complete </body></html> section for LON-CAPA web pages.
5644:
1.315 albertel 5645: Inputs: $args - additional optional args supported are:
5646: js_ready -> return a string ready for being used in
5647: a javascript writeln
1.320 albertel 5648: html_encode -> return a string ready for being used in
5649: a html attribute
1.330 albertel 5650: frameset -> if true will start with a <frameset>
5651: rather than <body>
1.493 albertel 5652: dicsussion -> if true will get discussion from
5653: lonxml::xmlend
5654: (you can pass the target and parser arguments
5655: through optional 'target' and 'parser' args
5656: to this routine)
1.306 albertel 5657:
5658: =cut
5659:
5660: sub end_page {
1.315 albertel 5661: my ($args) = @_;
5662: $env{'internal.end_page'}++;
1.330 albertel 5663: my $result;
1.335 albertel 5664: if ($args->{'discussion'}) {
5665: my ($target,$parser);
5666: if (ref($args->{'discussion'})) {
5667: ($target,$parser) =($args->{'discussion'}{'target'},
5668: $args->{'discussion'}{'parser'});
5669: }
5670: $result .= &Apache::lonxml::xmlend($target,$parser);
5671: }
5672:
1.330 albertel 5673: if ($args->{'frameset'}) {
5674: $result .= '</frameset>';
5675: } else {
1.635 raeburn 5676: $result .= &endbodytag($args);
1.330 albertel 5677: }
5678: $result .= "\n</html>";
5679:
1.315 albertel 5680: if ($args->{'js_ready'}) {
1.317 albertel 5681: $result = &js_ready($result);
1.315 albertel 5682: }
1.335 albertel 5683:
1.320 albertel 5684: if ($args->{'html_encode'}) {
5685: $result = &html_encode($result);
5686: }
1.335 albertel 5687:
1.315 albertel 5688: return $result;
5689: }
5690:
1.320 albertel 5691: sub html_encode {
5692: my ($result) = @_;
5693:
1.322 albertel 5694: $result = &HTML::Entities::encode($result,'<>&"');
1.320 albertel 5695:
5696: return $result;
5697: }
1.317 albertel 5698: sub js_ready {
5699: my ($result) = @_;
5700:
1.323 albertel 5701: $result =~ s/[\n\r]/ /xmsg;
5702: $result =~ s/\\/\\\\/xmsg;
5703: $result =~ s/'/\\'/xmsg;
1.372 albertel 5704: $result =~ s{</}{<\\/}xmsg;
1.317 albertel 5705:
5706: return $result;
5707: }
5708:
1.315 albertel 5709: sub validate_page {
5710: if ( exists($env{'internal.start_page'})
1.316 albertel 5711: && $env{'internal.start_page'} > 1) {
5712: &Apache::lonnet::logthis('start_page called multiple times '.
1.318 albertel 5713: $env{'internal.start_page'}.' '.
1.316 albertel 5714: $ENV{'request.filename'});
1.315 albertel 5715: }
5716: if ( exists($env{'internal.end_page'})
1.316 albertel 5717: && $env{'internal.end_page'} > 1) {
5718: &Apache::lonnet::logthis('end_page called multiple times '.
1.318 albertel 5719: $env{'internal.end_page'}.' '.
1.316 albertel 5720: $env{'request.filename'});
1.315 albertel 5721: }
5722: if ( exists($env{'internal.start_page'})
5723: && ! exists($env{'internal.end_page'})) {
1.316 albertel 5724: &Apache::lonnet::logthis('start_page called without end_page '.
5725: $env{'request.filename'});
1.315 albertel 5726: }
5727: if ( ! exists($env{'internal.start_page'})
5728: && exists($env{'internal.end_page'})) {
1.316 albertel 5729: &Apache::lonnet::logthis('end_page called without start_page'.
5730: $env{'request.filename'});
1.315 albertel 5731: }
1.306 albertel 5732: }
1.315 albertel 5733:
1.318 albertel 5734: sub simple_error_page {
5735: my ($r,$title,$msg) = @_;
5736: my $page =
5737: &Apache::loncommon::start_page($title).
5738: &mt($msg).
5739: &Apache::loncommon::end_page();
5740: if (ref($r)) {
5741: $r->print($page);
1.327 albertel 5742: return;
1.318 albertel 5743: }
5744: return $page;
5745: }
1.347 albertel 5746:
5747: {
1.610 albertel 5748: my @row_count;
1.347 albertel 5749: sub start_data_table {
1.422 albertel 5750: my ($add_class) = @_;
5751: my $css_class = (join(' ','LC_data_table',$add_class));
1.610 albertel 5752: unshift(@row_count,0);
1.422 albertel 5753: return '<table class="'.$css_class.'">'."\n";
1.347 albertel 5754: }
5755:
5756: sub end_data_table {
1.610 albertel 5757: shift(@row_count);
1.389 albertel 5758: return '</table>'."\n";;
1.347 albertel 5759: }
5760:
5761: sub start_data_table_row {
1.422 albertel 5762: my ($add_class) = @_;
1.610 albertel 5763: $row_count[0]++;
5764: my $css_class = ($row_count[0] % 2)?'LC_odd_row':'LC_even_row';
1.428 albertel 5765: $css_class = (join(' ',$css_class,$add_class));
1.422 albertel 5766: return '<tr class="'.$css_class.'">'."\n";;
1.347 albertel 5767: }
1.471 banghart 5768:
5769: sub continue_data_table_row {
5770: my ($add_class) = @_;
1.610 albertel 5771: my $css_class = ($row_count[0] % 2)?'LC_odd_row':'LC_even_row';
1.471 banghart 5772: $css_class = (join(' ',$css_class,$add_class));
5773: return '<tr class="'.$css_class.'">'."\n";;
5774: }
1.347 albertel 5775:
5776: sub end_data_table_row {
1.389 albertel 5777: return '</tr>'."\n";;
1.347 albertel 5778: }
1.367 www 5779:
1.421 albertel 5780: sub start_data_table_empty_row {
1.610 albertel 5781: $row_count[0]++;
1.421 albertel 5782: return '<tr class="LC_empty_row" >'."\n";;
5783: }
5784:
5785: sub end_data_table_empty_row {
5786: return '</tr>'."\n";;
5787: }
5788:
1.367 www 5789: sub start_data_table_header_row {
1.389 albertel 5790: return '<tr class="LC_header_row">'."\n";;
1.367 www 5791: }
5792:
5793: sub end_data_table_header_row {
1.389 albertel 5794: return '</tr>'."\n";;
1.367 www 5795: }
1.347 albertel 5796: }
5797:
1.548 albertel 5798: =pod
5799:
5800: =item * &inhibit_menu_check($arg)
5801:
5802: Checks for a inhibitmenu state and generates output to preserve it
5803:
5804: Inputs: $arg - can be any of
5805: - undef - in which case the return value is a string
5806: to add into arguments list of a uri
5807: - 'input' - in which case the return value is a HTML
5808: <form> <input> field of type hidden to
5809: preserve the value
5810: - a url - in which case the return value is the url with
5811: the neccesary cgi args added to preserve the
5812: inhibitmenu state
5813: - a ref to a url - no return value, but the string is
5814: updated to include the neccessary cgi
5815: args to preserve the inhibitmenu state
5816:
5817: =cut
5818:
5819: sub inhibit_menu_check {
5820: my ($arg) = @_;
5821: &get_unprocessed_cgi($ENV{'QUERY_STRING'}, ['inhibitmenu']);
5822: if ($arg eq 'input') {
5823: if ($env{'form.inhibitmenu'}) {
5824: return '<input type="hidden" name="inhibitmenu" value="'.$env{'form.inhibitmenu'}.'" />';
5825: } else {
5826: return
5827: }
5828: }
5829: if ($env{'form.inhibitmenu'}) {
5830: if (ref($arg)) {
5831: $$arg .= '?inhibitmenu='.$env{'form.inhibitmenu'};
5832: } elsif ($arg eq '') {
5833: $arg .= 'inhibitmenu='.$env{'form.inhibitmenu'};
5834: } else {
5835: $arg .= '?inhibitmenu='.$env{'form.inhibitmenu'};
5836: }
5837: }
5838: if (!ref($arg)) {
5839: return $arg;
5840: }
5841: }
5842:
1.251 albertel 5843: ###############################################
1.182 matthew 5844:
5845: =pod
5846:
1.549 albertel 5847: =back
5848:
5849: =head1 User Information Routines
5850:
5851: =over 4
5852:
1.405 albertel 5853: =item * &get_users_function()
1.182 matthew 5854:
5855: Used by &bodytag to determine the current users primary role.
5856: Returns either 'student','coordinator','admin', or 'author'.
5857:
5858: =cut
5859:
5860: ###############################################
5861: sub get_users_function {
5862: my $function = 'student';
1.258 albertel 5863: if ($env{'request.role'}=~/^(cc|in|ta|ep)/) {
1.182 matthew 5864: $function='coordinator';
5865: }
1.258 albertel 5866: if ($env{'request.role'}=~/^(su|dc|ad|li)/) {
1.182 matthew 5867: $function='admin';
5868: }
1.258 albertel 5869: if (($env{'request.role'}=~/^(au|ca)/) ||
1.182 matthew 5870: ($ENV{'REQUEST_URI'}=~/^(\/priv|\~)/)) {
5871: $function='author';
5872: }
5873: return $function;
1.54 www 5874: }
1.99 www 5875:
5876: ###############################################
5877:
1.233 raeburn 5878: =pod
5879:
1.542 raeburn 5880: =item * &check_user_status()
1.274 raeburn 5881:
5882: Determines current status of supplied role for a
5883: specific user. Roles can be active, previous or future.
5884:
5885: Inputs:
5886: user's domain, user's username, course's domain,
1.375 raeburn 5887: course's number, optional section ID.
1.274 raeburn 5888:
5889: Outputs:
5890: role status: active, previous or future.
5891:
5892: =cut
5893:
5894: sub check_user_status {
1.412 raeburn 5895: my ($udom,$uname,$cdom,$crs,$role,$sec) = @_;
1.274 raeburn 5896: my %userinfo = &Apache::lonnet::dump('roles',$udom,$uname);
5897: my @uroles = keys %userinfo;
5898: my $srchstr;
5899: my $active_chk = 'none';
1.412 raeburn 5900: my $now = time;
1.274 raeburn 5901: if (@uroles > 0) {
1.412 raeburn 5902: if (($role eq 'cc') || ($sec eq '') || (!defined($sec))) {
1.274 raeburn 5903: $srchstr = '/'.$cdom.'/'.$crs.'_'.$role;
5904: } else {
1.412 raeburn 5905: $srchstr = '/'.$cdom.'/'.$crs.'/'.$sec.'_'.$role;
5906: }
5907: if (grep/^\Q$srchstr\E$/,@uroles) {
1.274 raeburn 5908: my $role_end = 0;
5909: my $role_start = 0;
5910: $active_chk = 'active';
1.412 raeburn 5911: if ($userinfo{$srchstr} =~ m/^\Q$role\E_(\d+)/) {
5912: $role_end = $1;
5913: if ($userinfo{$srchstr} =~ m/^\Q$role\E_\Q$role_end\E_(\d+)$/) {
5914: $role_start = $1;
1.274 raeburn 5915: }
5916: }
5917: if ($role_start > 0) {
1.412 raeburn 5918: if ($now < $role_start) {
1.274 raeburn 5919: $active_chk = 'future';
5920: }
5921: }
5922: if ($role_end > 0) {
1.412 raeburn 5923: if ($now > $role_end) {
1.274 raeburn 5924: $active_chk = 'previous';
5925: }
5926: }
5927: }
5928: }
5929: return $active_chk;
5930: }
5931:
5932: ###############################################
5933:
5934: =pod
5935:
1.405 albertel 5936: =item * &get_sections()
1.233 raeburn 5937:
5938: Determines all the sections for a course including
5939: sections with students and sections containing other roles.
1.419 raeburn 5940: Incoming parameters:
5941:
5942: 1. domain
5943: 2. course number
5944: 3. reference to array containing roles for which sections should
5945: be gathered (optional).
5946: 4. reference to array containing status types for which sections
5947: should be gathered (optional).
5948:
5949: If the third argument is undefined, sections are gathered for any role.
5950: If the fourth argument is undefined, sections are gathered for any status.
5951: Permissible values are 'active' or 'future' or 'previous'.
1.233 raeburn 5952:
1.374 raeburn 5953: Returns section hash (keys are section IDs, values are
5954: number of users in each section), subject to the
1.419 raeburn 5955: optional roles filter, optional status filter
1.233 raeburn 5956:
5957: =cut
5958:
5959: ###############################################
5960: sub get_sections {
1.419 raeburn 5961: my ($cdom,$cnum,$possible_roles,$possible_status) = @_;
1.366 albertel 5962: if (!defined($cdom) || !defined($cnum)) {
5963: my $cid = $env{'request.course.id'};
5964:
5965: return if (!defined($cid));
5966:
5967: $cdom = $env{'course.'.$cid.'.domain'};
5968: $cnum = $env{'course.'.$cid.'.num'};
5969: }
5970:
5971: my %sectioncount;
1.419 raeburn 5972: my $now = time;
1.240 albertel 5973:
1.366 albertel 5974: if (!defined($possible_roles) || (grep(/^st$/,@$possible_roles))) {
1.276 albertel 5975: my ($classlist) = &Apache::loncoursedata::get_classlist($cdom,$cnum);
1.240 albertel 5976: my $sec_index = &Apache::loncoursedata::CL_SECTION();
5977: my $status_index = &Apache::loncoursedata::CL_STATUS();
1.419 raeburn 5978: my $start_index = &Apache::loncoursedata::CL_START();
5979: my $end_index = &Apache::loncoursedata::CL_END();
5980: my $status;
1.366 albertel 5981: while (my ($student,$data) = each(%$classlist)) {
1.419 raeburn 5982: my ($section,$stu_status,$start,$end) = ($data->[$sec_index],
5983: $data->[$status_index],
5984: $data->[$start_index],
5985: $data->[$end_index]);
5986: if ($stu_status eq 'Active') {
5987: $status = 'active';
5988: } elsif ($end < $now) {
5989: $status = 'previous';
5990: } elsif ($start > $now) {
5991: $status = 'future';
5992: }
5993: if ($section ne '-1' && $section !~ /^\s*$/) {
5994: if ((!defined($possible_status)) || (($status ne '') &&
5995: (grep/^\Q$status\E$/,@{$possible_status}))) {
5996: $sectioncount{$section}++;
5997: }
1.240 albertel 5998: }
5999: }
6000: }
6001: my %courseroles = &Apache::lonnet::dump('nohist_userroles',$cdom,$cnum);
6002: foreach my $user (sort(keys(%courseroles))) {
6003: if ($user !~ /^(\w{2})/) { next; }
6004: my ($role) = ($user =~ /^(\w{2})/);
6005: if ($possible_roles && !(grep(/^$role$/,@$possible_roles))) { next; }
1.419 raeburn 6006: my ($section,$status);
1.240 albertel 6007: if ($role eq 'cr' &&
6008: $user =~ m-^$role/[^/]*/[^/]*/[^/]*:[^:]*:[^:]*:(\w+)-) {
6009: $section=$1;
6010: }
6011: if ($user =~ /^$role:[^:]*:[^:]*:(\w+)/) { $section=$1; }
6012: if (!defined($section) || $section eq '-1') { next; }
1.419 raeburn 6013: my ($end,$start) = ($courseroles{$user} =~ /^([^:]*):([^:]*)$/);
6014: if ($end == -1 && $start == -1) {
6015: next; #deleted role
6016: }
6017: if (!defined($possible_status)) {
6018: $sectioncount{$section}++;
6019: } else {
6020: if ((!$end || $end >= $now) && (!$start || $start <= $now)) {
6021: $status = 'active';
6022: } elsif ($end < $now) {
6023: $status = 'future';
6024: } elsif ($start > $now) {
6025: $status = 'previous';
6026: }
6027: if (($status ne '') && (grep/^\Q$status\E$/,@{$possible_status})) {
6028: $sectioncount{$section}++;
6029: }
6030: }
1.233 raeburn 6031: }
1.366 albertel 6032: return %sectioncount;
1.233 raeburn 6033: }
6034:
1.274 raeburn 6035: ###############################################
1.294 raeburn 6036:
6037: =pod
1.405 albertel 6038:
6039: =item * &get_course_users()
6040:
1.275 raeburn 6041: Retrieves usernames:domains for users in the specified course
6042: with specific role(s), and access status.
6043:
6044: Incoming parameters:
1.277 albertel 6045: 1. course domain
6046: 2. course number
6047: 3. access status: users must have - either active,
1.275 raeburn 6048: previous, future, or all.
1.277 albertel 6049: 4. reference to array of permissible roles
1.288 raeburn 6050: 5. reference to array of section restrictions (optional)
6051: 6. reference to results object (hash of hashes).
6052: 7. reference to optional userdata hash
1.609 raeburn 6053: 8. reference to optional statushash
1.630 raeburn 6054: 9. flag if privileged users (except those set to unhide in
6055: course settings) should be excluded
1.609 raeburn 6056: Keys of top level results hash are roles.
1.275 raeburn 6057: Keys of inner hashes are username:domain, with
6058: values set to access type.
1.288 raeburn 6059: Optional userdata hash returns an array with arguments in the
6060: same order as loncoursedata::get_classlist() for student data.
6061:
1.609 raeburn 6062: Optional statushash returns
6063:
1.288 raeburn 6064: Entries for end, start, section and status are blank because
6065: of the possibility of multiple values for non-student roles.
6066:
1.275 raeburn 6067: =cut
1.405 albertel 6068:
1.275 raeburn 6069: ###############################################
1.405 albertel 6070:
1.275 raeburn 6071: sub get_course_users {
1.630 raeburn 6072: my ($cdom,$cnum,$types,$roles,$sections,$users,$userdata,$statushash,$hidepriv) = @_;
1.288 raeburn 6073: my %idx = ();
1.419 raeburn 6074: my %seclists;
1.288 raeburn 6075:
6076: $idx{udom} = &Apache::loncoursedata::CL_SDOM();
6077: $idx{uname} = &Apache::loncoursedata::CL_SNAME();
6078: $idx{end} = &Apache::loncoursedata::CL_END();
6079: $idx{start} = &Apache::loncoursedata::CL_START();
6080: $idx{id} = &Apache::loncoursedata::CL_ID();
6081: $idx{section} = &Apache::loncoursedata::CL_SECTION();
6082: $idx{fullname} = &Apache::loncoursedata::CL_FULLNAME();
6083: $idx{status} = &Apache::loncoursedata::CL_STATUS();
6084:
1.290 albertel 6085: if (grep(/^st$/,@{$roles})) {
1.276 albertel 6086: my ($classlist,$keylist)=&Apache::loncoursedata::get_classlist($cdom,$cnum);
1.278 raeburn 6087: my $now = time;
1.277 albertel 6088: foreach my $student (keys(%{$classlist})) {
1.288 raeburn 6089: my $match = 0;
1.412 raeburn 6090: my $secmatch = 0;
1.419 raeburn 6091: my $section = $$classlist{$student}[$idx{section}];
1.609 raeburn 6092: my $status = $$classlist{$student}[$idx{status}];
1.419 raeburn 6093: if ($section eq '') {
6094: $section = 'none';
6095: }
1.291 albertel 6096: if ((ref($sections) eq 'ARRAY') && (@{$sections} > 0)) {
1.420 albertel 6097: if (grep(/^all$/,@{$sections})) {
1.412 raeburn 6098: $secmatch = 1;
6099: } elsif ($$classlist{$student}[$idx{section}] eq '') {
1.420 albertel 6100: if (grep(/^none$/,@{$sections})) {
1.412 raeburn 6101: $secmatch = 1;
6102: }
6103: } else {
1.419 raeburn 6104: if (grep(/^\Q$section\E$/,@{$sections})) {
1.412 raeburn 6105: $secmatch = 1;
6106: }
1.290 albertel 6107: }
1.412 raeburn 6108: if (!$secmatch) {
6109: next;
6110: }
1.419 raeburn 6111: }
1.275 raeburn 6112: if (defined($$types{'active'})) {
1.288 raeburn 6113: if ($$classlist{$student}[$idx{status}] eq 'Active') {
1.275 raeburn 6114: push(@{$$users{st}{$student}},'active');
1.288 raeburn 6115: $match = 1;
1.275 raeburn 6116: }
6117: }
6118: if (defined($$types{'previous'})) {
1.609 raeburn 6119: if ($$classlist{$student}[$idx{status}] eq 'Expired') {
1.275 raeburn 6120: push(@{$$users{st}{$student}},'previous');
1.288 raeburn 6121: $match = 1;
1.275 raeburn 6122: }
6123: }
6124: if (defined($$types{'future'})) {
1.609 raeburn 6125: if ($$classlist{$student}[$idx{status}] eq 'Future') {
1.275 raeburn 6126: push(@{$$users{st}{$student}},'future');
1.288 raeburn 6127: $match = 1;
1.275 raeburn 6128: }
6129: }
1.609 raeburn 6130: if ($match) {
6131: push(@{$seclists{$student}},$section);
6132: if (ref($userdata) eq 'HASH') {
6133: $$userdata{$student} = $$classlist{$student};
6134: }
6135: if (ref($statushash) eq 'HASH') {
6136: $statushash->{$student}{'st'}{$section} = $status;
6137: }
1.288 raeburn 6138: }
1.275 raeburn 6139: }
6140: }
1.412 raeburn 6141: if ((@{$roles} > 1) || ((@{$roles} == 1) && ($$roles[0] ne "st"))) {
1.439 raeburn 6142: my %coursepersonnel = &Apache::lonnet::dump('nohist_userroles',$cdom,$cnum);
6143: my $now = time;
1.609 raeburn 6144: my %displaystatus = ( previous => 'Expired',
6145: active => 'Active',
6146: future => 'Future',
6147: );
1.630 raeburn 6148: my %nothide;
6149: if ($hidepriv) {
6150: my %coursehash=&Apache::lonnet::coursedescription($cdom.'_'.$cnum);
6151: foreach my $user (split(/\s*\,\s*/,$coursehash{'nothideprivileged'})) {
6152: if ($user !~ /:/) {
6153: $nothide{join(':',split(/[\@]/,$user))}=1;
6154: } else {
6155: $nothide{$user} = 1;
6156: }
6157: }
6158: }
1.439 raeburn 6159: foreach my $person (sort(keys(%coursepersonnel))) {
1.288 raeburn 6160: my $match = 0;
1.412 raeburn 6161: my $secmatch = 0;
1.439 raeburn 6162: my $status;
1.412 raeburn 6163: my ($role,$user,$usec) = ($person =~ /^([^:]*):([^:]+:[^:]+):([^:]*)/);
1.275 raeburn 6164: $user =~ s/:$//;
1.439 raeburn 6165: my ($end,$start) = split(/:/,$coursepersonnel{$person});
6166: if ($end == -1 || $start == -1) {
6167: next;
6168: }
6169: if (($role) && ((grep(/^\Q$role\E$/,@{$roles})) ||
6170: (grep(/^cr$/,@{$roles}) && $role =~ /^cr\//))) {
1.412 raeburn 6171: my ($uname,$udom) = split(/:/,$user);
6172: if ((ref($sections) eq 'ARRAY') && (@{$sections} > 0)) {
1.420 albertel 6173: if (grep(/^all$/,@{$sections})) {
1.412 raeburn 6174: $secmatch = 1;
6175: } elsif ($usec eq '') {
1.420 albertel 6176: if (grep(/^none$/,@{$sections})) {
1.412 raeburn 6177: $secmatch = 1;
6178: }
6179: } else {
6180: if (grep(/^\Q$usec\E$/,@{$sections})) {
6181: $secmatch = 1;
6182: }
6183: }
6184: if (!$secmatch) {
6185: next;
6186: }
1.288 raeburn 6187: }
1.419 raeburn 6188: if ($usec eq '') {
6189: $usec = 'none';
6190: }
1.275 raeburn 6191: if ($uname ne '' && $udom ne '') {
1.630 raeburn 6192: if ($hidepriv) {
6193: if ((&Apache::lonnet::privileged($uname,$udom)) &&
6194: (!$nothide{$uname.':'.$udom})) {
6195: next;
6196: }
6197: }
1.503 raeburn 6198: if ($end > 0 && $end < $now) {
1.439 raeburn 6199: $status = 'previous';
6200: } elsif ($start > $now) {
6201: $status = 'future';
6202: } else {
6203: $status = 'active';
6204: }
1.277 albertel 6205: foreach my $type (keys(%{$types})) {
1.275 raeburn 6206: if ($status eq $type) {
1.420 albertel 6207: if (!grep(/^\Q$type\E$/,@{$$users{$role}{$user}})) {
1.419 raeburn 6208: push(@{$$users{$role}{$user}},$type);
6209: }
1.288 raeburn 6210: $match = 1;
6211: }
6212: }
1.419 raeburn 6213: if (($match) && (ref($userdata) eq 'HASH')) {
6214: if (!exists($$userdata{$uname.':'.$udom})) {
6215: &get_user_info($udom,$uname,\%idx,$userdata);
6216: }
1.420 albertel 6217: if (!grep(/^\Q$usec\E$/,@{$seclists{$uname.':'.$udom}})) {
1.419 raeburn 6218: push(@{$seclists{$uname.':'.$udom}},$usec);
6219: }
1.609 raeburn 6220: if (ref($statushash) eq 'HASH') {
6221: $statushash->{$uname.':'.$udom}{$role}{$usec} = $displaystatus{$status};
6222: }
1.275 raeburn 6223: }
6224: }
6225: }
6226: }
1.290 albertel 6227: if (grep(/^ow$/,@{$roles})) {
1.279 raeburn 6228: if ((defined($cdom)) && (defined($cnum))) {
6229: my %csettings = &Apache::lonnet::get('environment',['internal.courseowner'],$cdom,$cnum);
6230: if ( defined($csettings{'internal.courseowner'}) ) {
6231: my $owner = $csettings{'internal.courseowner'};
1.609 raeburn 6232: next if ($owner eq '');
6233: my ($ownername,$ownerdom);
6234: if ($owner =~ /^([^:]+):([^:]+)$/) {
6235: $ownername = $1;
6236: $ownerdom = $2;
6237: } else {
6238: $ownername = $owner;
6239: $ownerdom = $cdom;
6240: $owner = $ownername.':'.$ownerdom;
1.439 raeburn 6241: }
6242: @{$$users{'ow'}{$owner}} = 'any';
1.290 albertel 6243: if (defined($userdata) &&
1.609 raeburn 6244: !exists($$userdata{$owner})) {
6245: &get_user_info($ownerdom,$ownername,\%idx,$userdata);
6246: if (!grep(/^none$/,@{$seclists{$owner}})) {
6247: push(@{$seclists{$owner}},'none');
6248: }
6249: if (ref($statushash) eq 'HASH') {
6250: $statushash->{$owner}{'ow'}{'none'} = 'Any';
1.419 raeburn 6251: }
1.290 albertel 6252: }
1.279 raeburn 6253: }
6254: }
6255: }
1.419 raeburn 6256: foreach my $user (keys(%seclists)) {
6257: @{$seclists{$user}} = (sort {$a <=> $b} @{$seclists{$user}});
6258: $$userdata{$user}[$idx{section}] = join(',',@{$seclists{$user}});
6259: }
1.275 raeburn 6260: }
6261: return;
6262: }
6263:
1.288 raeburn 6264: sub get_user_info {
6265: my ($udom,$uname,$idx,$userdata) = @_;
1.289 albertel 6266: $$userdata{$uname.':'.$udom}[$$idx{fullname}] =
6267: &plainname($uname,$udom,'lastname');
1.291 albertel 6268: $$userdata{$uname.':'.$udom}[$$idx{uname}] = $uname;
1.297 raeburn 6269: $$userdata{$uname.':'.$udom}[$$idx{udom}] = $udom;
1.609 raeburn 6270: my %idhash = &Apache::lonnet::idrget($udom,($uname));
6271: $$userdata{$uname.':'.$udom}[$$idx{id}] = $idhash{$uname};
1.288 raeburn 6272: return;
6273: }
1.275 raeburn 6274:
1.472 raeburn 6275: ###############################################
6276:
6277: =pod
6278:
6279: =item * &get_user_quota()
6280:
6281: Retrieves quota assigned for storage of portfolio files for a user
6282:
6283: Incoming parameters:
6284: 1. user's username
6285: 2. user's domain
6286:
6287: Returns:
1.536 raeburn 6288: 1. Disk quota (in Mb) assigned to student.
6289: 2. (Optional) Type of setting: custom or default
6290: (individually assigned or default for user's
6291: institutional status).
6292: 3. (Optional) - User's institutional status (e.g., faculty, staff
6293: or student - types as defined in localenroll::inst_usertypes
6294: for user's domain, which determines default quota for user.
6295: 4. (Optional) - Default quota which would apply to the user.
1.472 raeburn 6296:
6297: If a value has been stored in the user's environment,
1.536 raeburn 6298: it will return that, otherwise it returns the maximal default
6299: defined for the user's instituional status(es) in the domain.
1.472 raeburn 6300:
6301: =cut
6302:
6303: ###############################################
6304:
6305:
6306: sub get_user_quota {
6307: my ($uname,$udom) = @_;
1.536 raeburn 6308: my ($quota,$quotatype,$settingstatus,$defquota);
1.472 raeburn 6309: if (!defined($udom)) {
6310: $udom = $env{'user.domain'};
6311: }
6312: if (!defined($uname)) {
6313: $uname = $env{'user.name'};
6314: }
6315: if (($udom eq '' || $uname eq '') ||
6316: ($udom eq 'public') && ($uname eq 'public')) {
6317: $quota = 0;
1.536 raeburn 6318: $quotatype = 'default';
6319: $defquota = 0;
1.472 raeburn 6320: } else {
1.536 raeburn 6321: my $inststatus;
1.472 raeburn 6322: if ($udom eq $env{'user.domain'} && $uname eq $env{'user.name'}) {
6323: $quota = $env{'environment.portfolioquota'};
1.536 raeburn 6324: $inststatus = $env{'environment.inststatus'};
1.472 raeburn 6325: } else {
1.536 raeburn 6326: my %userenv =
6327: &Apache::lonnet::get('environment',['portfolioquota',
6328: 'inststatus'],$udom,$uname);
1.472 raeburn 6329: my ($tmp) = keys(%userenv);
6330: if ($tmp !~ /^(con_lost|error|no_such_host)/i) {
6331: $quota = $userenv{'portfolioquota'};
1.536 raeburn 6332: $inststatus = $userenv{'inststatus'};
1.472 raeburn 6333: } else {
6334: undef(%userenv);
6335: }
6336: }
1.536 raeburn 6337: ($defquota,$settingstatus) = &default_quota($udom,$inststatus);
1.472 raeburn 6338: if ($quota eq '') {
1.536 raeburn 6339: $quota = $defquota;
6340: $quotatype = 'default';
6341: } else {
6342: $quotatype = 'custom';
1.472 raeburn 6343: }
6344: }
1.536 raeburn 6345: if (wantarray) {
6346: return ($quota,$quotatype,$settingstatus,$defquota);
6347: } else {
6348: return $quota;
6349: }
1.472 raeburn 6350: }
6351:
6352: ###############################################
6353:
6354: =pod
6355:
6356: =item * &default_quota()
6357:
1.536 raeburn 6358: Retrieves default quota assigned for storage of user portfolio files,
6359: given an (optional) user's institutional status.
1.472 raeburn 6360:
6361: Incoming parameters:
6362: 1. domain
1.536 raeburn 6363: 2. (Optional) institutional status(es). This is a : separated list of
6364: status types (e.g., faculty, staff, student etc.)
6365: which apply to the user for whom the default is being retrieved.
6366: If the institutional status string in undefined, the domain
6367: default quota will be returned.
1.472 raeburn 6368:
6369: Returns:
6370: 1. Default disk quota (in Mb) for user portfolios in the domain.
1.536 raeburn 6371: 2. (Optional) institutional type which determined the value of the
6372: default quota.
1.472 raeburn 6373:
6374: If a value has been stored in the domain's configuration db,
6375: it will return that, otherwise it returns 20 (for backwards
6376: compatibility with domains which have not set up a configuration
6377: db file; the original statically defined portfolio quota was 20 Mb).
6378:
1.536 raeburn 6379: If the user's status includes multiple types (e.g., staff and student),
6380: the largest default quota which applies to the user determines the
6381: default quota returned.
6382:
1.472 raeburn 6383: =cut
6384:
6385: ###############################################
6386:
6387:
6388: sub default_quota {
1.536 raeburn 6389: my ($udom,$inststatus) = @_;
6390: my ($defquota,$settingstatus);
6391: my %quotahash = &Apache::lonnet::get_dom('configuration',
1.622 raeburn 6392: ['quotas'],$udom);
6393: if (ref($quotahash{'quotas'}) eq 'HASH') {
1.536 raeburn 6394: if ($inststatus ne '') {
6395: my @statuses = split(/:/,$inststatus);
6396: foreach my $item (@statuses) {
1.622 raeburn 6397: if ($quotahash{'quotas'}{$item} ne '') {
1.536 raeburn 6398: if ($defquota eq '') {
1.622 raeburn 6399: $defquota = $quotahash{'quotas'}{$item};
1.536 raeburn 6400: $settingstatus = $item;
1.622 raeburn 6401: } elsif ($quotahash{'quotas'}{$item} > $defquota) {
6402: $defquota = $quotahash{'quotas'}{$item};
1.536 raeburn 6403: $settingstatus = $item;
6404: }
6405: }
6406: }
6407: }
6408: if ($defquota eq '') {
1.622 raeburn 6409: $defquota = $quotahash{'quotas'}{'default'};
1.536 raeburn 6410: $settingstatus = 'default';
6411: }
6412: } else {
6413: $settingstatus = 'default';
6414: $defquota = 20;
6415: }
6416: if (wantarray) {
6417: return ($defquota,$settingstatus);
1.472 raeburn 6418: } else {
1.536 raeburn 6419: return $defquota;
1.472 raeburn 6420: }
6421: }
6422:
1.384 raeburn 6423: sub get_secgrprole_info {
6424: my ($cdom,$cnum,$needroles,$type) = @_;
6425: my %sections_count = &get_sections($cdom,$cnum);
6426: my @sections = (sort {$a <=> $b} keys(%sections_count));
6427: my %curr_groups = &Apache::longroup::coursegroups($cdom,$cnum);
6428: my @groups = sort(keys(%curr_groups));
6429: my $allroles = [];
6430: my $rolehash;
6431: my $accesshash = {
6432: active => 'Currently has access',
6433: future => 'Will have future access',
6434: previous => 'Previously had access',
6435: };
6436: if ($needroles) {
6437: $rolehash = {'all' => 'all'};
1.385 albertel 6438: my %user_roles = &Apache::lonnet::dump('nohist_userroles',$cdom,$cnum);
6439: if (&Apache::lonnet::error(%user_roles)) {
6440: undef(%user_roles);
6441: }
6442: foreach my $item (keys(%user_roles)) {
1.384 raeburn 6443: my ($role)=split(/\:/,$item,2);
6444: if ($role eq 'cr') { next; }
6445: if ($role =~ /^cr/) {
6446: $$rolehash{$role} = (split('/',$role))[3];
6447: } else {
6448: $$rolehash{$role} = &Apache::lonnet::plaintext($role,$type);
6449: }
6450: }
6451: foreach my $key (sort(keys(%{$rolehash}))) {
6452: push(@{$allroles},$key);
6453: }
6454: push (@{$allroles},'st');
6455: $$rolehash{'st'} = &Apache::lonnet::plaintext('st',$type);
6456: }
6457: return (\@sections,\@groups,$allroles,$rolehash,$accesshash);
6458: }
6459:
1.555 raeburn 6460: sub user_picker {
1.627 raeburn 6461: my ($dom,$srch,$forcenewuser,$caller,$cancreate,$usertype) = @_;
1.555 raeburn 6462: my $currdom = $dom;
6463: my %curr_selected = (
6464: srchin => 'dom',
1.580 raeburn 6465: srchby => 'lastname',
1.555 raeburn 6466: );
6467: my $srchterm;
1.625 raeburn 6468: if ((ref($srch) eq 'HASH') && ($env{'form.origform'} ne 'crtusername')) {
1.555 raeburn 6469: if ($srch->{'srchby'} ne '') {
6470: $curr_selected{'srchby'} = $srch->{'srchby'};
6471: }
6472: if ($srch->{'srchin'} ne '') {
6473: $curr_selected{'srchin'} = $srch->{'srchin'};
6474: }
6475: if ($srch->{'srchtype'} ne '') {
6476: $curr_selected{'srchtype'} = $srch->{'srchtype'};
6477: }
6478: if ($srch->{'srchdomain'} ne '') {
6479: $currdom = $srch->{'srchdomain'};
6480: }
6481: $srchterm = $srch->{'srchterm'};
6482: }
6483: my %lt=&Apache::lonlocal::texthash(
1.573 raeburn 6484: 'usr' => 'Search criteria',
1.563 raeburn 6485: 'doma' => 'Domain/institution to search',
1.558 albertel 6486: 'uname' => 'username',
6487: 'lastname' => 'last name',
1.555 raeburn 6488: 'lastfirst' => 'last name, first name',
1.558 albertel 6489: 'crs' => 'in this course',
1.576 raeburn 6490: 'dom' => 'in selected LON-CAPA domain',
1.558 albertel 6491: 'alc' => 'all LON-CAPA',
1.573 raeburn 6492: 'instd' => 'in institutional directory for selected domain',
1.558 albertel 6493: 'exact' => 'is',
6494: 'contains' => 'contains',
1.569 raeburn 6495: 'begins' => 'begins with',
1.571 raeburn 6496: 'youm' => "You must include some text to search for.",
6497: 'thte' => "The text you are searching for must contain at least two characters when using a 'begins' type search.",
6498: 'thet' => "The text you are searching for must contain at least three characters when using a 'contains' type search.",
6499: 'yomc' => "You must choose a domain when using an institutional directory search.",
6500: 'ymcd' => "You must choose a domain when using a domain search.",
6501: 'whus' => "When using searching by last,first you must include a comma as separator between last name and first name.",
6502: 'whse' => "When searching by last,first you must include at least one character in the first name.",
6503: 'thfo' => "The following need to be corrected before the search can be run:",
1.555 raeburn 6504: );
1.563 raeburn 6505: my $domform = &select_dom_form($currdom,'srchdomain',1,1);
6506: my $srchinsel = ' <select name="srchin">';
1.555 raeburn 6507:
6508: my @srchins = ('crs','dom','alc','instd');
6509:
6510: foreach my $option (@srchins) {
6511: # FIXME 'alc' option unavailable until
6512: # loncreateuser::print_user_query_page()
6513: # has been completed.
6514: next if ($option eq 'alc');
6515: next if ($option eq 'crs' && !$env{'request.course.id'});
1.563 raeburn 6516: if ($curr_selected{'srchin'} eq $option) {
6517: $srchinsel .= '
6518: <option value="'.$option.'" selected="selected">'.$lt{$option}.'</option>';
6519: } else {
6520: $srchinsel .= '
6521: <option value="'.$option.'">'.$lt{$option}.'</option>';
6522: }
1.555 raeburn 6523: }
1.563 raeburn 6524: $srchinsel .= "\n </select>\n";
1.555 raeburn 6525:
6526: my $srchbysel = ' <select name="srchby">';
1.580 raeburn 6527: foreach my $option ('lastname','lastfirst','uname') {
1.555 raeburn 6528: if ($curr_selected{'srchby'} eq $option) {
6529: $srchbysel .= '
6530: <option value="'.$option.'" selected="selected">'.$lt{$option}.'</option>';
6531: } else {
6532: $srchbysel .= '
6533: <option value="'.$option.'">'.$lt{$option}.'</option>';
6534: }
6535: }
6536: $srchbysel .= "\n </select>\n";
6537:
6538: my $srchtypesel = ' <select name="srchtype">';
1.580 raeburn 6539: foreach my $option ('begins','contains','exact') {
1.555 raeburn 6540: if ($curr_selected{'srchtype'} eq $option) {
6541: $srchtypesel .= '
6542: <option value="'.$option.'" selected="selected">'.$lt{$option}.'</option>';
6543: } else {
6544: $srchtypesel .= '
6545: <option value="'.$option.'">'.$lt{$option}.'</option>';
6546: }
6547: }
6548: $srchtypesel .= "\n </select>\n";
6549:
1.558 albertel 6550: my ($newuserscript,$new_user_create);
1.556 raeburn 6551:
6552: if ($forcenewuser) {
1.576 raeburn 6553: if (ref($srch) eq 'HASH') {
6554: if ($srch->{'srchby'} eq 'uname' && $srch->{'srchtype'} eq 'exact' && $srch->{'srchin'} eq 'dom' && $srch->{'srchdomain'} eq $env{'request.role.domain'}) {
1.627 raeburn 6555: if ($cancreate) {
6556: $new_user_create = '<p> <input type="submit" name="forcenew" value="'.&HTML::Entities::encode(&mt('Make new user "[_1]"',$srchterm),'<>&"').'" onclick="javascript:setSearch(\'1\','.$caller.');" /> </p>';
6557: } else {
6558: my $helplink = ' href="javascript:helpMenu('."'display'".')"';
6559: my %usertypetext = (
6560: official => 'institutional',
6561: unofficial => 'non-institutional',
6562: );
6563: $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 />';
6564: }
1.576 raeburn 6565: }
6566: }
6567:
1.556 raeburn 6568: $newuserscript = <<"ENDSCRIPT";
6569:
1.570 raeburn 6570: function setSearch(createnew,callingForm) {
1.556 raeburn 6571: if (createnew == 1) {
1.570 raeburn 6572: for (var i=0; i<callingForm.srchby.length; i++) {
6573: if (callingForm.srchby.options[i].value == 'uname') {
6574: callingForm.srchby.selectedIndex = i;
1.556 raeburn 6575: }
6576: }
1.570 raeburn 6577: for (var i=0; i<callingForm.srchin.length; i++) {
6578: if ( callingForm.srchin.options[i].value == 'dom') {
6579: callingForm.srchin.selectedIndex = i;
1.556 raeburn 6580: }
6581: }
1.570 raeburn 6582: for (var i=0; i<callingForm.srchtype.length; i++) {
6583: if (callingForm.srchtype.options[i].value == 'exact') {
6584: callingForm.srchtype.selectedIndex = i;
1.556 raeburn 6585: }
6586: }
1.570 raeburn 6587: for (var i=0; i<callingForm.srchdomain.length; i++) {
6588: if (callingForm.srchdomain.options[i].value == '$env{'request.role.domain'}') {
6589: callingForm.srchdomain.selectedIndex = i;
1.556 raeburn 6590: }
6591: }
6592: }
6593: }
6594: ENDSCRIPT
1.558 albertel 6595:
1.556 raeburn 6596: }
6597:
1.555 raeburn 6598: my $output = <<"END_BLOCK";
1.556 raeburn 6599: <script type="text/javascript">
1.570 raeburn 6600: function validateEntry(callingForm) {
1.558 albertel 6601:
1.556 raeburn 6602: var checkok = 1;
1.558 albertel 6603: var srchin;
1.570 raeburn 6604: for (var i=0; i<callingForm.srchin.length; i++) {
6605: if ( callingForm.srchin[i].checked ) {
6606: srchin = callingForm.srchin[i].value;
1.558 albertel 6607: }
6608: }
6609:
1.570 raeburn 6610: var srchtype = callingForm.srchtype.options[callingForm.srchtype.selectedIndex].value;
6611: var srchby = callingForm.srchby.options[callingForm.srchby.selectedIndex].value;
6612: var srchdomain = callingForm.srchdomain.options[callingForm.srchdomain.selectedIndex].value;
6613: var srchterm = callingForm.srchterm.value;
6614: var srchin = callingForm.srchin.options[callingForm.srchin.selectedIndex].value;
1.556 raeburn 6615: var msg = "";
6616:
6617: if (srchterm == "") {
6618: checkok = 0;
1.571 raeburn 6619: msg += "$lt{'youm'}\\n";
1.556 raeburn 6620: }
6621:
1.569 raeburn 6622: if (srchtype== 'begins') {
6623: if (srchterm.length < 2) {
6624: checkok = 0;
1.571 raeburn 6625: msg += "$lt{'thte'}\\n";
1.569 raeburn 6626: }
6627: }
6628:
1.556 raeburn 6629: if (srchtype== 'contains') {
6630: if (srchterm.length < 3) {
6631: checkok = 0;
1.571 raeburn 6632: msg += "$lt{'thet'}\\n";
1.556 raeburn 6633: }
6634: }
6635: if (srchin == 'instd') {
6636: if (srchdomain == '') {
6637: checkok = 0;
1.571 raeburn 6638: msg += "$lt{'yomc'}\\n";
1.556 raeburn 6639: }
6640: }
6641: if (srchin == 'dom') {
6642: if (srchdomain == '') {
6643: checkok = 0;
1.571 raeburn 6644: msg += "$lt{'ymcd'}\\n";
1.556 raeburn 6645: }
6646: }
6647: if (srchby == 'lastfirst') {
6648: if (srchterm.indexOf(",") == -1) {
6649: checkok = 0;
1.571 raeburn 6650: msg += "$lt{'whus'}\\n";
1.556 raeburn 6651: }
6652: if (srchterm.indexOf(",") == srchterm.length -1) {
6653: checkok = 0;
1.571 raeburn 6654: msg += "$lt{'whse'}\\n";
1.556 raeburn 6655: }
6656: }
6657: if (checkok == 0) {
1.571 raeburn 6658: alert("$lt{'thfo'}\\n"+msg);
1.556 raeburn 6659: return;
6660: }
6661: if (checkok == 1) {
1.570 raeburn 6662: callingForm.submit();
1.556 raeburn 6663: }
6664: }
6665:
6666: $newuserscript
6667:
6668: </script>
1.558 albertel 6669:
6670: $new_user_create
6671:
1.555 raeburn 6672: <table>
1.558 albertel 6673: <tr>
1.573 raeburn 6674: <td>$lt{'doma'}:</td>
6675: <td>$domform</td>
6676: </td>
6677: </tr>
6678: <tr>
6679: <td>$lt{'usr'}:</td>
1.563 raeburn 6680: <td>$srchbysel
6681: $srchtypesel
6682: <input type="text" size="15" name="srchterm" value="$srchterm" />
1.564 albertel 6683: $srchinsel
1.563 raeburn 6684: </td>
6685: </tr>
1.555 raeburn 6686: </table>
6687: <br />
6688: END_BLOCK
1.558 albertel 6689:
1.555 raeburn 6690: return $output;
6691: }
6692:
1.612 raeburn 6693: sub user_rule_check {
1.615 raeburn 6694: my ($usershash,$checks,$alerts,$rulematch,$inst_results,$curr_rules,$got_rules) = @_;
1.612 raeburn 6695: my $response;
6696: if (ref($usershash) eq 'HASH') {
6697: foreach my $user (keys(%{$usershash})) {
6698: my ($uname,$udom) = split(/:/,$user);
6699: next if ($udom eq '' || $uname eq '');
1.615 raeburn 6700: my ($id,$newuser);
1.612 raeburn 6701: if (ref($usershash->{$user}) eq 'HASH') {
1.615 raeburn 6702: $newuser = $usershash->{$user}->{'newuser'};
1.612 raeburn 6703: $id = $usershash->{$user}->{'id'};
6704: }
6705: my $inst_response;
6706: if (ref($checks) eq 'HASH') {
6707: if (defined($checks->{'username'})) {
1.615 raeburn 6708: ($inst_response,%{$inst_results->{$user}}) =
1.612 raeburn 6709: &Apache::lonnet::get_instuser($udom,$uname);
6710: } elsif (defined($checks->{'id'})) {
1.615 raeburn 6711: ($inst_response,%{$inst_results->{$user}}) =
1.612 raeburn 6712: &Apache::lonnet::get_instuser($udom,undef,$id);
6713: }
1.615 raeburn 6714: } else {
6715: ($inst_response,%{$inst_results->{$user}}) =
6716: &Apache::lonnet::get_instuser($udom,$uname);
6717: return;
1.612 raeburn 6718: }
1.615 raeburn 6719: if (!$got_rules->{$udom}) {
1.612 raeburn 6720: my %domconfig = &Apache::lonnet::get_dom('configuration',
6721: ['usercreation'],$udom);
6722: if (ref($domconfig{'usercreation'}) eq 'HASH') {
1.615 raeburn 6723: foreach my $item ('username','id') {
1.612 raeburn 6724: if (ref($domconfig{'usercreation'}{$item.'_rule'}) eq 'ARRAY') {
6725: $$curr_rules{$udom}{$item} =
6726: $domconfig{'usercreation'}{$item.'_rule'};
1.585 raeburn 6727: }
6728: }
6729: }
1.615 raeburn 6730: $got_rules->{$udom} = 1;
1.585 raeburn 6731: }
1.612 raeburn 6732: foreach my $item (keys(%{$checks})) {
6733: if (ref($$curr_rules{$udom}) eq 'HASH') {
6734: if (ref($$curr_rules{$udom}{$item}) eq 'ARRAY') {
6735: if (@{$$curr_rules{$udom}{$item}} > 0) {
6736: my %rule_check = &Apache::lonnet::inst_rulecheck($udom,$uname,$id,$item,$$curr_rules{$udom}{$item});
6737: foreach my $rule (@{$$curr_rules{$udom}{$item}}) {
6738: if ($rule_check{$rule}) {
6739: $$rulematch{$user}{$item} = $rule;
6740: if ($inst_response eq 'ok') {
1.615 raeburn 6741: if (ref($inst_results) eq 'HASH') {
6742: if (ref($inst_results->{$user}) eq 'HASH') {
6743: if (keys(%{$inst_results->{$user}}) == 0) {
6744: $$alerts{$item}{$udom}{$uname} = 1;
6745: }
1.612 raeburn 6746: }
6747: }
1.615 raeburn 6748: }
6749: last;
1.585 raeburn 6750: }
6751: }
6752: }
6753: }
6754: }
6755: }
6756: }
6757: }
1.612 raeburn 6758: return;
6759: }
6760:
6761: sub user_rule_formats {
6762: my ($domain,$domdesc,$curr_rules,$check) = @_;
6763: my %text = (
6764: 'username' => 'Usernames',
6765: 'id' => 'IDs',
6766: );
6767: my $output;
6768: my ($rules,$ruleorder) = &Apache::lonnet::inst_userrules($domain,$check);
6769: if ((ref($rules) eq 'HASH') && (ref($ruleorder) eq 'ARRAY')) {
6770: if (@{$ruleorder} > 0) {
6771: $output = '<br />'.&mt("$text{$check} with the following format(s) may <span class=\"LC_cusr_emph\">only</span> be used for verified users at [_1]:",$domdesc).' <ul>';
6772: foreach my $rule (@{$ruleorder}) {
6773: if (ref($curr_rules) eq 'ARRAY') {
6774: if (grep(/^\Q$rule\E$/,@{$curr_rules})) {
6775: if (ref($rules->{$rule}) eq 'HASH') {
6776: $output .= '<li>'.$rules->{$rule}{'name'}.': '.
6777: $rules->{$rule}{'desc'}.'</li>';
6778: }
6779: }
6780: }
6781: }
6782: $output .= '</ul>';
6783: }
6784: }
6785: return $output;
6786: }
6787:
6788: sub instrule_disallow_msg {
1.615 raeburn 6789: my ($checkitem,$domdesc,$count,$mode) = @_;
1.612 raeburn 6790: my $response;
6791: my %text = (
6792: item => 'username',
6793: items => 'usernames',
6794: match => 'matches',
6795: do => 'does',
6796: action => 'a username',
6797: one => 'one',
6798: );
6799: if ($count > 1) {
6800: $text{'item'} = 'usernames';
6801: $text{'match'} ='match';
6802: $text{'do'} = 'do';
6803: $text{'action'} = 'usernames',
6804: $text{'one'} = 'ones';
6805: }
6806: if ($checkitem eq 'id') {
6807: $text{'items'} = 'IDs';
6808: $text{'item'} = 'ID';
6809: $text{'action'} = 'an ID';
1.615 raeburn 6810: if ($count > 1) {
6811: $text{'item'} = 'IDs';
6812: $text{'action'} = 'IDs';
6813: }
1.612 raeburn 6814: }
1.674 bisitz 6815: $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 6816: if ($mode eq 'upload') {
6817: if ($checkitem eq 'username') {
6818: $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 $text{'items'}.");
6819: } elsif ($checkitem eq 'id') {
1.674 bisitz 6820: $response .= &mt("Either upload a file which includes $text{'action'} with a different format -- $text{'one'} that will not conflict with 'official' institutional $text{'items'}, or when associating fields with data columns, omit an association for the Student/Employee ID field.");
1.615 raeburn 6821: }
1.669 raeburn 6822: } elsif ($mode eq 'selfcreate') {
6823: if ($checkitem eq 'id') {
6824: $response .= &mt("You must either choose $text{'action'} with a different format -- $text{'one'} that will not conflict with 'official' institutional $text{'items'}, or leave the ID field blank.");
6825: }
1.615 raeburn 6826: } else {
6827: if ($checkitem eq 'username') {
6828: $response .= &mt("You must choose $text{'action'} with a different format -- $text{'one'} that will not conflict with 'official' institutional $text{'items'}.");
6829: } elsif ($checkitem eq 'id') {
6830: $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.");
6831: }
1.612 raeburn 6832: }
6833: return $response;
1.585 raeburn 6834: }
6835:
1.624 raeburn 6836: sub personal_data_fieldtitles {
6837: my %fieldtitles = &Apache::lonlocal::texthash (
6838: id => 'Student/Employee ID',
6839: permanentemail => 'E-mail address',
6840: lastname => 'Last Name',
6841: firstname => 'First Name',
6842: middlename => 'Middle Name',
6843: generation => 'Generation',
6844: gen => 'Generation',
6845: );
6846: return %fieldtitles;
6847: }
6848:
1.642 raeburn 6849: sub sorted_inst_types {
6850: my ($dom) = @_;
6851: my ($usertypes,$order) = &Apache::lonnet::retrieve_inst_usertypes($dom);
6852: my $othertitle = &mt('All users');
6853: if ($env{'request.course.id'}) {
1.668 raeburn 6854: $othertitle = &mt('Any users');
1.642 raeburn 6855: }
6856: my @types;
6857: if (ref($order) eq 'ARRAY') {
6858: @types = @{$order};
6859: }
6860: if (@types == 0) {
6861: if (ref($usertypes) eq 'HASH') {
6862: @types = sort(keys(%{$usertypes}));
6863: }
6864: }
6865: if (keys(%{$usertypes}) > 0) {
6866: $othertitle = &mt('Other users');
6867: }
6868: return ($othertitle,$usertypes,\@types);
6869: }
6870:
1.645 raeburn 6871: sub get_institutional_codes {
6872: my ($settings,$allcourses,$LC_code) = @_;
6873: # Get complete list of course sections to update
6874: my @currsections = ();
6875: my @currxlists = ();
6876: my $coursecode = $$settings{'internal.coursecode'};
6877:
6878: if ($$settings{'internal.sectionnums'} ne '') {
6879: @currsections = split(/,/,$$settings{'internal.sectionnums'});
6880: }
6881:
6882: if ($$settings{'internal.crosslistings'} ne '') {
6883: @currxlists = split(/,/,$$settings{'internal.crosslistings'});
6884: }
6885:
6886: if (@currxlists > 0) {
6887: foreach (@currxlists) {
6888: if (m/^([^:]+):(\w*)$/) {
6889: unless (grep/^$1$/,@{$allcourses}) {
6890: push @{$allcourses},$1;
6891: $$LC_code{$1} = $2;
6892: }
6893: }
6894: }
6895: }
6896:
6897: if (@currsections > 0) {
6898: foreach (@currsections) {
6899: if (m/^(\w+):(\w*)$/) {
6900: my $sec = $coursecode.$1;
6901: my $lc_sec = $2;
6902: unless (grep/^$sec$/,@{$allcourses}) {
6903: push @{$allcourses},$sec;
6904: $$LC_code{$sec} = $lc_sec;
6905: }
6906: }
6907: }
6908: }
6909: return;
6910: }
6911:
1.112 bowersj2 6912: =pod
6913:
1.549 albertel 6914: =back
6915:
6916: =head1 HTTP Helpers
6917:
6918: =over 4
6919:
1.648 raeburn 6920: =item * &get_unprocessed_cgi($query,$possible_names)
1.112 bowersj2 6921:
1.258 albertel 6922: Modify the %env hash to contain unprocessed CGI form parameters held in
1.112 bowersj2 6923: $query. The parameters listed in $possible_names (an array reference),
1.258 albertel 6924: will be set in $env{'form.name'} if they do not already exist.
1.112 bowersj2 6925:
6926: Typically called with $ENV{'QUERY_STRING'} as the first parameter.
6927: $possible_names is an ref to an array of form element names. As an example:
6928: get_unprocessed_cgi($ENV{'QUERY_STRING'},['uname','udom']);
1.258 albertel 6929: will result in $env{'form.uname'} and $env{'form.udom'} being set.
1.112 bowersj2 6930:
6931: =cut
1.1 albertel 6932:
1.6 albertel 6933: sub get_unprocessed_cgi {
1.25 albertel 6934: my ($query,$possible_names)= @_;
1.26 matthew 6935: # $Apache::lonxml::debug=1;
1.356 albertel 6936: foreach my $pair (split(/&/,$query)) {
6937: my ($name, $value) = split(/=/,$pair);
1.369 www 6938: $name = &unescape($name);
1.25 albertel 6939: if (!defined($possible_names) || (grep {$_ eq $name} @$possible_names)) {
6940: $value =~ tr/+/ /;
6941: $value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg;
1.258 albertel 6942: unless (defined($env{'form.'.$name})) { &add_to_env('form.'.$name,$value) };
1.25 albertel 6943: }
1.16 harris41 6944: }
1.6 albertel 6945: }
6946:
1.112 bowersj2 6947: =pod
6948:
1.648 raeburn 6949: =item * &cacheheader()
1.112 bowersj2 6950:
6951: returns cache-controlling header code
6952:
6953: =cut
6954:
1.7 albertel 6955: sub cacheheader {
1.258 albertel 6956: unless ($env{'request.method'} eq 'GET') { return ''; }
1.216 albertel 6957: my $date=strftime("%a, %d %b %Y %H:%M:%S GMT",gmtime);
6958: my $output .='<meta HTTP-EQUIV="Expires" CONTENT="'.$date.'" />
1.7 albertel 6959: <meta HTTP-EQUIV="Cache-control" CONTENT="no-cache" />
6960: <meta HTTP-EQUIV="Pragma" CONTENT="no-cache" />';
1.216 albertel 6961: return $output;
1.7 albertel 6962: }
6963:
1.112 bowersj2 6964: =pod
6965:
1.648 raeburn 6966: =item * &no_cache($r)
1.112 bowersj2 6967:
6968: specifies header code to not have cache
6969:
6970: =cut
6971:
1.9 albertel 6972: sub no_cache {
1.216 albertel 6973: my ($r) = @_;
6974: if ($ENV{'REQUEST_METHOD'} ne 'GET' &&
1.258 albertel 6975: $env{'request.method'} ne 'GET') { return ''; }
1.216 albertel 6976: my $date=strftime("%a, %d %b %Y %H:%M:%S GMT",gmtime(time));
6977: $r->no_cache(1);
6978: $r->header_out("Expires" => $date);
6979: $r->header_out("Pragma" => "no-cache");
1.123 www 6980: }
6981:
6982: sub content_type {
1.181 albertel 6983: my ($r,$type,$charset) = @_;
1.299 foxr 6984: if ($r) {
6985: # Note that printout.pl calls this with undef for $r.
6986: &no_cache($r);
6987: }
1.258 albertel 6988: if ($env{'browser.mathml'} && $type eq 'text/html') { $type='text/xml'; }
1.181 albertel 6989: unless ($charset) {
6990: $charset=&Apache::lonlocal::current_encoding;
6991: }
6992: if ($charset) { $type.='; charset='.$charset; }
6993: if ($r) {
6994: $r->content_type($type);
6995: } else {
6996: print("Content-type: $type\n\n");
6997: }
1.9 albertel 6998: }
1.25 albertel 6999:
1.112 bowersj2 7000: =pod
7001:
1.648 raeburn 7002: =item * &add_to_env($name,$value)
1.112 bowersj2 7003:
1.258 albertel 7004: adds $name to the %env hash with value
1.112 bowersj2 7005: $value, if $name already exists, the entry is converted to an array
7006: reference and $value is added to the array.
7007:
7008: =cut
7009:
1.25 albertel 7010: sub add_to_env {
7011: my ($name,$value)=@_;
1.258 albertel 7012: if (defined($env{$name})) {
7013: if (ref($env{$name})) {
1.25 albertel 7014: #already have multiple values
1.258 albertel 7015: push(@{ $env{$name} },$value);
1.25 albertel 7016: } else {
7017: #first time seeing multiple values, convert hash entry to an arrayref
1.258 albertel 7018: my $first=$env{$name};
7019: undef($env{$name});
7020: push(@{ $env{$name} },$first,$value);
1.25 albertel 7021: }
7022: } else {
1.258 albertel 7023: $env{$name}=$value;
1.25 albertel 7024: }
1.31 albertel 7025: }
1.149 albertel 7026:
7027: =pod
7028:
1.648 raeburn 7029: =item * &get_env_multiple($name)
1.149 albertel 7030:
1.258 albertel 7031: gets $name from the %env hash, it seemlessly handles the cases where multiple
1.149 albertel 7032: values may be defined and end up as an array ref.
7033:
7034: returns an array of values
7035:
7036: =cut
7037:
7038: sub get_env_multiple {
7039: my ($name) = @_;
7040: my @values;
1.258 albertel 7041: if (defined($env{$name})) {
1.149 albertel 7042: # exists is it an array
1.258 albertel 7043: if (ref($env{$name})) {
7044: @values=@{ $env{$name} };
1.149 albertel 7045: } else {
1.258 albertel 7046: $values[0]=$env{$name};
1.149 albertel 7047: }
7048: }
7049: return(@values);
7050: }
7051:
1.660 raeburn 7052: sub ask_for_embedded_content {
7053: my ($actionurl,$state,$allfiles,$codebase,$args)=@_;
7054: my $upload_output = '
7055: <form name="upload_embedded" action="'.$actionurl.'"
7056: method="post" enctype="multipart/form-data">';
7057: $upload_output .= $state;
1.661 raeburn 7058: $upload_output .= '<b>Upload embedded files</b>:<br />'.&start_data_table();
1.660 raeburn 7059:
7060: my $num = 0;
7061: foreach my $embed_file (sort {lc($a) cmp lc($b)} keys(%{$allfiles})) {
7062: $upload_output .= &start_data_table_row().
7063: '<td>'.$embed_file.'</td><td>';
7064: if ($args->{'ignore_remote_references'}
7065: && $embed_file =~ m{^\w+://}) {
7066: $upload_output.='<span class="LC_warning">'.&mt("URL points to other server.").'</span>';
7067: } elsif ($args->{'error_on_invalid_names'}
7068: && $embed_file ne &Apache::lonnet::clean_filename($embed_file,{'keep_path' => 1,})) {
7069:
7070: $upload_output.='<span class="LC_warning">'.&mt("Invalid characters").'</span>';
7071:
7072: } else {
7073: $upload_output .='
1.661 raeburn 7074: <input name="embedded_item_'.$num.'" type="file" value="" />
1.660 raeburn 7075: <input name="embedded_orig_'.$num.'" type="hidden" value="'.&escape($embed_file).'" />';
7076: my $attrib = join(':',@{$$allfiles{$embed_file}});
7077: $upload_output .=
7078: "\n\t\t".
7079: '<input name="embedded_attrib_'.$num.'" type="hidden" value="'.
7080: $attrib.'" />';
7081: if (exists($$codebase{$embed_file})) {
7082: $upload_output .=
7083: "\n\t\t".
7084: '<input name="codebase_'.$num.'" type="hidden" value="'.
7085: &escape($$codebase{$embed_file}).'" />';
7086: }
7087: }
7088: $upload_output .= '</td>'.&Apache::loncommon::end_data_table_row();
7089: $num++;
7090: }
7091: $upload_output .= &Apache::loncommon::end_data_table().'<br />
7092: <input type ="hidden" name="number_embedded_items" value="'.$num.'" />
7093: <input type ="submit" value="'.&mt('Upload Listed Files').'" />
7094: '.&mt('(only files for which a location has been provided will be uploaded)').'
7095: </form>';
7096: return $upload_output;
7097: }
7098:
1.661 raeburn 7099: sub upload_embedded {
7100: my ($context,$dirpath,$uname,$udom,$dir_root,$url_root,$group,$disk_quota,
7101: $current_disk_usage) = @_;
7102: my $output;
7103: for (my $i=0; $i<$env{'form.number_embedded_items'}; $i++) {
7104: next if (!exists($env{'form.embedded_item_'.$i.'.filename'}));
7105: my $orig_uploaded_filename =
7106: $env{'form.embedded_item_'.$i.'.filename'};
7107:
7108: $env{'form.embedded_orig_'.$i} =
7109: &unescape($env{'form.embedded_orig_'.$i});
7110: my ($path,$fname) =
7111: ($env{'form.embedded_orig_'.$i} =~ m{(.*/)([^/]*)});
7112: # no path, whole string is fname
7113: if (!$fname) { $fname = $env{'form.embedded_orig_'.$i} };
7114:
7115: $path = $env{'form.currentpath'}.$path;
7116: $fname = &Apache::lonnet::clean_filename($fname);
7117: # See if there is anything left
7118: next if ($fname eq '');
7119:
7120: # Check if file already exists as a file or directory.
7121: my ($state,$msg);
7122: if ($context eq 'portfolio') {
7123: my $port_path = $dirpath;
7124: if ($group ne '') {
7125: $port_path = "groups/$group/$port_path";
7126: }
7127: ($state,$msg) = &check_for_upload($path,$fname,$group,'embedded_item_'.$i,
7128: $dir_root,$port_path,$disk_quota,
7129: $current_disk_usage,$uname,$udom);
7130: if ($state eq 'will_exceed_quota'
7131: || $state eq 'file_locked'
7132: || $state eq 'file_exists' ) {
7133: $output .= $msg;
7134: next;
7135: }
7136: } elsif (($context eq 'author') || ($context eq 'testbank')) {
7137: ($state,$msg) = &check_for_existing($path,$fname,'embedded_item_'.$i);
7138: if ($state eq 'exists') {
7139: $output .= $msg;
7140: next;
7141: }
7142: }
7143: # Check if extension is valid
7144: if (($fname =~ /\.(\w+)$/) &&
7145: (&Apache::loncommon::fileembstyle($1) eq 'hdn')) {
7146: $output .= &mt('Invalid file extension ([_1]) - reserved for LONCAPA use - rename the file with a different extension and re-upload. ',$1);
7147: next;
7148: } elsif (($fname =~ /\.(\w+)$/) &&
7149: (!defined(&Apache::loncommon::fileembstyle($1)))) {
7150: $output .= &mt('Unrecognized file extension ([_1]) - rename the file with a proper extension and re-upload.',$1);
7151: next;
7152: } elsif ($fname=~/\.(\d+)\.(\w+)$/) {
7153: $output .= &mt('File name not allowed - rename the file to remove the number immediately before the file extension([_1]) and re-upload.',$2);
7154: next;
7155: }
7156:
7157: $env{'form.embedded_item_'.$i.'.filename'}=$fname;
7158: if ($context eq 'portfolio') {
7159: my $result=
7160: &Apache::lonnet::userfileupload('embedded_item_'.$i,'',
7161: $dirpath.$path);
7162: if ($result !~ m|^/uploaded/|) {
7163: $output .= '<span class="LC_error">'
7164: .&mt('An error occurred ([_1]) while trying to upload [_2] for embedded element [_3].'
7165: ,$result,$orig_uploaded_filename,$env{'form.embedded_orig_'.$i})
7166: .'</span><br />';
7167: next;
7168: } else {
7169: $output .= '<p>'.&mt('Uploaded [_1]','<span class="LC_filename">'.
7170: $path.$fname.'</span>').'</p>';
7171: }
7172: } else {
7173: # Save the file
7174: my $target = $env{'form.embedded_item_'.$i};
7175: my $fullpath = $dir_root.$dirpath.'/'.$path;
7176: my $dest = $fullpath.$fname;
7177: my $url = $url_root.$dirpath.'/'.$path.$fname;
7178: my @parts=split(/\//,$fullpath);
7179: my $count;
7180: my $filepath = $dir_root;
7181: for ($count=4;$count<=$#parts;$count++) {
7182: $filepath .= "/$parts[$count]";
7183: if ((-e $filepath)!=1) {
7184: mkdir($filepath,0770);
7185: }
7186: }
7187: my $fh;
7188: if (!open($fh,'>'.$dest)) {
7189: &Apache::lonnet::logthis('Failed to create '.$dest);
7190: $output .= '<span class="LC_error">'.
7191: &mt('An error occurred while trying to upload [_1] for embedded element [_2].',$orig_uploaded_filename,$env{'form.embedded_orig_'.$i}).
7192: '</span><br />';
7193: } else {
7194: if (!print $fh $env{'form.embedded_item_'.$i}) {
7195: &Apache::lonnet::logthis('Failed to write to '.$dest);
7196: $output .= '<span class="LC_error">'.
7197: &mt('An error occurred while writing the file [_1] for embedded element [_2].',$orig_uploaded_filename,$env{'form.embedded_orig_'.$i}).
7198: '</span><br />';
7199: } else {
7200: if ($context eq 'testbank') {
7201: $output .= &mt('Embedded file uploaded successfully:').
7202: ' <a href="'.$url.'">'.
7203: $orig_uploaded_filename.'</a><br />';
7204: } else {
7205: $output .= '<font size="+2">'.
7206: &mt('View embedded file: [_1]','<a href="'.$url.'">'.
7207: $orig_uploaded_filename.'</a>').'</font><br />';
7208: }
7209: }
7210: close($fh);
7211: }
7212: }
7213: }
7214: return $output;
7215: }
7216:
7217: sub check_for_existing {
7218: my ($path,$fname,$element) = @_;
7219: my ($state,$msg);
7220: if (-d $path.'/'.$fname) {
7221: $state = 'exists';
7222: $msg = &mt('Unable to upload [_1]. A directory by that name was found in [_2].','<span class="LC_filename">'.$fname.'</span>',$path);
7223: } elsif (-e $path.'/'.$fname) {
7224: $state = 'exists';
7225: $msg = &mt('Unable to upload [_1]. A file by that name was found in [_2].','<span class="LC_filename">'.$fname.'</span>',$path);
7226: }
7227: if ($state eq 'exists') {
7228: $msg = '<span class="LC_error">'.$msg.'</span><br />';
7229: }
7230: return ($state,$msg);
7231: }
7232:
7233: sub check_for_upload {
7234: my ($path,$fname,$group,$element,$portfolio_root,$port_path,
7235: $disk_quota,$current_disk_usage,$uname,$udom) = @_;
7236: my $filesize = (length($env{'form.'.$element})) / 1000; #express in k (1024?)
7237: my $getpropath = 1;
7238: my @dir_list = &Apache::lonnet::dirlist($portfolio_root.$path,$udom,$uname,
7239: $getpropath);
7240: my $found_file = 0;
7241: my $locked_file = 0;
7242: foreach my $line (@dir_list) {
7243: my ($file_name)=split(/\&/,$line,2);
7244: if ($file_name eq $fname){
7245: $file_name = $path.$file_name;
7246: if ($group ne '') {
7247: $file_name = $group.$file_name;
7248: }
7249: $found_file = 1;
7250: if (&Apache::lonnet::is_locked($file_name,$udom,$uname) eq 'true') {
7251: $locked_file = 1;
7252: }
7253: }
7254: }
7255: if (($current_disk_usage + $filesize) > $disk_quota){
7256: my $msg = '<span class="LC_error">'.
7257: &mt('Unable to upload [_1]. (size = [_2] kilobytes). Disk quota will be exceeded.','<span class="LC_filename">'.$fname.'</span>',$filesize).'</span>'.
7258: '<br />'.&mt('Disk quota is [_1] kilobytes. Your current disk usage is [_2] kilobytes.',$disk_quota,$current_disk_usage);
7259: return ('will_exceed_quota',$msg);
7260: } elsif ($found_file) {
7261: if ($locked_file) {
7262: my $msg = '<span class="LC_error">';
7263: $msg .= &mt('Unable to upload [_1]. A locked file by that name was found in [_2].','<span class="LC_filename">'.$fname.'</span>','<span class="LC_filename">'.$port_path.$env{'form.currentpath'}.'</span>');
7264: $msg .= '</span><br />';
7265: $msg .= &mt('You will be able to rename or delete existing [_1] after a grade has been assigned.','<span class="LC_filename">'.$fname.'</span>');
7266: return ('file_locked',$msg);
7267: } else {
7268: my $msg = '<span class="LC_error">';
7269: $msg .= &mt('Unable to upload [_1]. A file by that name was found in [_2].','<span class="LC_filename">'.$fname.'</span>',$port_path.$env{'form.currentpath'});
7270: $msg .= '</span>';
7271: $msg .= '<br />';
7272: $msg .= &mt('To upload, rename or delete existing [_1] in [_2].','<span class="LC_filename">'.$fname.'</span>', $port_path.$env{'form.currentpath'});
7273: return ('file_exists',$msg);
7274: }
7275: }
7276: }
7277:
1.31 albertel 7278:
1.41 ng 7279: =pod
1.45 matthew 7280:
1.464 albertel 7281: =back
1.41 ng 7282:
1.112 bowersj2 7283: =head1 CSV Upload/Handling functions
1.38 albertel 7284:
1.41 ng 7285: =over 4
7286:
1.648 raeburn 7287: =item * &upfile_store($r)
1.41 ng 7288:
7289: Store uploaded file, $r should be the HTTP Request object,
1.258 albertel 7290: needs $env{'form.upfile'}
1.41 ng 7291: returns $datatoken to be put into hidden field
7292:
7293: =cut
1.31 albertel 7294:
7295: sub upfile_store {
7296: my $r=shift;
1.258 albertel 7297: $env{'form.upfile'}=~s/\r/\n/gs;
7298: $env{'form.upfile'}=~s/\f/\n/gs;
7299: $env{'form.upfile'}=~s/\n+/\n/gs;
7300: $env{'form.upfile'}=~s/\n+$//gs;
1.31 albertel 7301:
1.258 albertel 7302: my $datatoken=$env{'user.name'}.'_'.$env{'user.domain'}.
7303: '_enroll_'.$env{'request.course.id'}.'_'.time.'_'.$$;
1.31 albertel 7304: {
1.158 raeburn 7305: my $datafile = $r->dir_config('lonDaemons').
7306: '/tmp/'.$datatoken.'.tmp';
7307: if ( open(my $fh,">$datafile") ) {
1.258 albertel 7308: print $fh $env{'form.upfile'};
1.158 raeburn 7309: close($fh);
7310: }
1.31 albertel 7311: }
7312: return $datatoken;
7313: }
7314:
1.56 matthew 7315: =pod
7316:
1.648 raeburn 7317: =item * &load_tmp_file($r)
1.41 ng 7318:
7319: Load uploaded file from tmp, $r should be the HTTP Request object,
1.258 albertel 7320: needs $env{'form.datatoken'},
7321: sets $env{'form.upfile'} to the contents of the file
1.41 ng 7322:
7323: =cut
1.31 albertel 7324:
7325: sub load_tmp_file {
7326: my $r=shift;
7327: my @studentdata=();
7328: {
1.158 raeburn 7329: my $studentfile = $r->dir_config('lonDaemons').
1.258 albertel 7330: '/tmp/'.$env{'form.datatoken'}.'.tmp';
1.158 raeburn 7331: if ( open(my $fh,"<$studentfile") ) {
7332: @studentdata=<$fh>;
7333: close($fh);
7334: }
1.31 albertel 7335: }
1.258 albertel 7336: $env{'form.upfile'}=join('',@studentdata);
1.31 albertel 7337: }
7338:
1.56 matthew 7339: =pod
7340:
1.648 raeburn 7341: =item * &upfile_record_sep()
1.41 ng 7342:
7343: Separate uploaded file into records
7344: returns array of records,
1.258 albertel 7345: needs $env{'form.upfile'} and $env{'form.upfiletype'}
1.41 ng 7346:
7347: =cut
1.31 albertel 7348:
7349: sub upfile_record_sep {
1.258 albertel 7350: if ($env{'form.upfiletype'} eq 'xml') {
1.31 albertel 7351: } else {
1.248 albertel 7352: my @records;
1.258 albertel 7353: foreach my $line (split(/\n/,$env{'form.upfile'})) {
1.248 albertel 7354: if ($line=~/^\s*$/) { next; }
7355: push(@records,$line);
7356: }
7357: return @records;
1.31 albertel 7358: }
7359: }
7360:
1.56 matthew 7361: =pod
7362:
1.648 raeburn 7363: =item * &record_sep($record)
1.41 ng 7364:
1.258 albertel 7365: Separate a record into fields $record should be an item from the upfile_record_sep(), needs $env{'form.upfiletype'}
1.41 ng 7366:
7367: =cut
7368:
1.263 www 7369: sub takeleft {
7370: my $index=shift;
7371: return substr('0000'.$index,-4,4);
7372: }
7373:
1.31 albertel 7374: sub record_sep {
7375: my $record=shift;
7376: my %components=();
1.258 albertel 7377: if ($env{'form.upfiletype'} eq 'xml') {
7378: } elsif ($env{'form.upfiletype'} eq 'space') {
1.31 albertel 7379: my $i=0;
1.356 albertel 7380: foreach my $field (split(/\s+/,$record)) {
1.31 albertel 7381: $field=~s/^(\"|\')//;
7382: $field=~s/(\"|\')$//;
1.263 www 7383: $components{&takeleft($i)}=$field;
1.31 albertel 7384: $i++;
7385: }
1.258 albertel 7386: } elsif ($env{'form.upfiletype'} eq 'tab') {
1.31 albertel 7387: my $i=0;
1.356 albertel 7388: foreach my $field (split(/\t/,$record)) {
1.31 albertel 7389: $field=~s/^(\"|\')//;
7390: $field=~s/(\"|\')$//;
1.263 www 7391: $components{&takeleft($i)}=$field;
1.31 albertel 7392: $i++;
7393: }
7394: } else {
1.561 www 7395: my $separator=',';
1.480 banghart 7396: if ($env{'form.upfiletype'} eq 'semisv') {
1.561 www 7397: $separator=';';
1.480 banghart 7398: }
1.31 albertel 7399: my $i=0;
1.561 www 7400: # the character we are looking for to indicate the end of a quote or a record
7401: my $looking_for=$separator;
7402: # do not add the characters to the fields
7403: my $ignore=0;
7404: # we just encountered a separator (or the beginning of the record)
7405: my $just_found_separator=1;
7406: # store the field we are working on here
7407: my $field='';
7408: # work our way through all characters in record
7409: foreach my $character ($record=~/(.)/g) {
7410: if ($character eq $looking_for) {
7411: if ($character ne $separator) {
7412: # Found the end of a quote, again looking for separator
7413: $looking_for=$separator;
7414: $ignore=1;
7415: } else {
7416: # Found a separator, store away what we got
7417: $components{&takeleft($i)}=$field;
7418: $i++;
7419: $just_found_separator=1;
7420: $ignore=0;
7421: $field='';
7422: }
7423: next;
7424: }
7425: # single or double quotation marks after a separator indicate beginning of a quote
7426: # we are now looking for the end of the quote and need to ignore separators
7427: if ((($character eq '"') || ($character eq "'")) && ($just_found_separator)) {
7428: $looking_for=$character;
7429: next;
7430: }
7431: # ignore would be true after we reached the end of a quote
7432: if ($ignore) { next; }
7433: if (($just_found_separator) && ($character=~/\s/)) { next; }
7434: $field.=$character;
7435: $just_found_separator=0;
1.31 albertel 7436: }
1.561 www 7437: # catch the very last entry, since we never encountered the separator
7438: $components{&takeleft($i)}=$field;
1.31 albertel 7439: }
7440: return %components;
7441: }
7442:
1.144 matthew 7443: ######################################################
7444: ######################################################
7445:
1.56 matthew 7446: =pod
7447:
1.648 raeburn 7448: =item * &upfile_select_html()
1.41 ng 7449:
1.144 matthew 7450: Return HTML code to select a file from the users machine and specify
7451: the file type.
1.41 ng 7452:
7453: =cut
7454:
1.144 matthew 7455: ######################################################
7456: ######################################################
1.31 albertel 7457: sub upfile_select_html {
1.144 matthew 7458: my %Types = (
7459: csv => &mt('CSV (comma separated values, spreadsheet)'),
1.480 banghart 7460: semisv => &mt('Semicolon separated values'),
1.144 matthew 7461: space => &mt('Space separated'),
7462: tab => &mt('Tabulator separated'),
7463: # xml => &mt('HTML/XML'),
7464: );
7465: my $Str = '<input type="file" name="upfile" size="50" />'.
7466: '<br />Type: <select name="upfiletype">';
7467: foreach my $type (sort(keys(%Types))) {
7468: $Str .= '<option value="'.$type.'" >'.$Types{$type}."</option>\n";
7469: }
7470: $Str .= "</select>\n";
7471: return $Str;
1.31 albertel 7472: }
7473:
1.301 albertel 7474: sub get_samples {
7475: my ($records,$toget) = @_;
7476: my @samples=({});
7477: my $got=0;
7478: foreach my $rec (@$records) {
7479: my %temp = &record_sep($rec);
7480: if (! grep(/\S/, values(%temp))) { next; }
7481: if (%temp) {
7482: $samples[$got]=\%temp;
7483: $got++;
7484: if ($got == $toget) { last; }
7485: }
7486: }
7487: return \@samples;
7488: }
7489:
1.144 matthew 7490: ######################################################
7491: ######################################################
7492:
1.56 matthew 7493: =pod
7494:
1.648 raeburn 7495: =item * &csv_print_samples($r,$records)
1.41 ng 7496:
7497: Prints a table of sample values from each column uploaded $r is an
7498: Apache Request ref, $records is an arrayref from
7499: &Apache::loncommon::upfile_record_sep
7500:
7501: =cut
7502:
1.144 matthew 7503: ######################################################
7504: ######################################################
1.31 albertel 7505: sub csv_print_samples {
7506: my ($r,$records) = @_;
1.662 bisitz 7507: my $samples = &get_samples($records,5);
1.301 albertel 7508:
1.594 raeburn 7509: $r->print(&mt('Samples').'<br />'.&start_data_table().
7510: &start_data_table_header_row());
1.356 albertel 7511: foreach my $sample (sort({$a <=> $b} keys(%{ $samples->[0] }))) {
7512: $r->print('<th>'.&mt('Column [_1]',($sample+1)).'</th>'); }
1.594 raeburn 7513: $r->print(&end_data_table_header_row());
1.301 albertel 7514: foreach my $hash (@$samples) {
1.594 raeburn 7515: $r->print(&start_data_table_row());
1.356 albertel 7516: foreach my $sample (sort({$a <=> $b} keys(%{ $samples->[0] }))) {
1.31 albertel 7517: $r->print('<td>');
1.356 albertel 7518: if (defined($$hash{$sample})) { $r->print($$hash{$sample}); }
1.31 albertel 7519: $r->print('</td>');
7520: }
1.594 raeburn 7521: $r->print(&end_data_table_row());
1.31 albertel 7522: }
1.594 raeburn 7523: $r->print(&end_data_table().'<br />'."\n");
1.31 albertel 7524: }
7525:
1.144 matthew 7526: ######################################################
7527: ######################################################
7528:
1.56 matthew 7529: =pod
7530:
1.648 raeburn 7531: =item * &csv_print_select_table($r,$records,$d)
1.41 ng 7532:
7533: Prints a table to create associations between values and table columns.
1.144 matthew 7534:
1.41 ng 7535: $r is an Apache Request ref,
7536: $records is an arrayref from &Apache::loncommon::upfile_record_sep,
1.174 matthew 7537: $d is an array of 2 element arrays (internal name, displayed name,defaultcol)
1.41 ng 7538:
7539: =cut
7540:
1.144 matthew 7541: ######################################################
7542: ######################################################
1.31 albertel 7543: sub csv_print_select_table {
7544: my ($r,$records,$d) = @_;
1.301 albertel 7545: my $i=0;
7546: my $samples = &get_samples($records,1);
1.144 matthew 7547: $r->print(&mt('Associate columns with student attributes.')."\n".
1.594 raeburn 7548: &start_data_table().&start_data_table_header_row().
1.144 matthew 7549: '<th>'.&mt('Attribute').'</th>'.
1.594 raeburn 7550: '<th>'.&mt('Column').'</th>'.
7551: &end_data_table_header_row()."\n");
1.356 albertel 7552: foreach my $array_ref (@$d) {
7553: my ($value,$display,$defaultcol)=@{ $array_ref };
1.594 raeburn 7554: $r->print(&start_data_table_row().'<tr><td>'.$display.'</td>');
1.31 albertel 7555:
7556: $r->print('<td><select name=f'.$i.
1.32 matthew 7557: ' onchange="javascript:flip(this.form,'.$i.');">');
1.31 albertel 7558: $r->print('<option value="none"></option>');
1.356 albertel 7559: foreach my $sample (sort({$a <=> $b} keys(%{ $samples->[0] }))) {
7560: $r->print('<option value="'.$sample.'"'.
7561: ($sample eq $defaultcol ? ' selected="selected" ' : '').
1.662 bisitz 7562: '>'.&mt('Column [_1]',($sample+1)).'</option>');
1.31 albertel 7563: }
1.594 raeburn 7564: $r->print('</select></td>'.&end_data_table_row()."\n");
1.31 albertel 7565: $i++;
7566: }
1.594 raeburn 7567: $r->print(&end_data_table());
1.31 albertel 7568: $i--;
7569: return $i;
7570: }
1.56 matthew 7571:
1.144 matthew 7572: ######################################################
7573: ######################################################
7574:
1.56 matthew 7575: =pod
1.31 albertel 7576:
1.648 raeburn 7577: =item * &csv_samples_select_table($r,$records,$d)
1.41 ng 7578:
7579: Prints a table of sample values from the upload and can make associate samples to internal names.
7580:
7581: $r is an Apache Request ref,
7582: $records is an arrayref from &Apache::loncommon::upfile_record_sep,
7583: $d is an array of 2 element arrays (internal name, displayed name)
7584:
7585: =cut
7586:
1.144 matthew 7587: ######################################################
7588: ######################################################
1.31 albertel 7589: sub csv_samples_select_table {
7590: my ($r,$records,$d) = @_;
7591: my $i=0;
1.144 matthew 7592: #
1.662 bisitz 7593: my $max_samples = 5;
7594: my $samples = &get_samples($records,$max_samples);
1.594 raeburn 7595: $r->print(&start_data_table().
7596: &start_data_table_header_row().'<th>'.
7597: &mt('Field').'</th><th>'.&mt('Samples').'</th>'.
7598: &end_data_table_header_row());
1.301 albertel 7599:
7600: foreach my $key (sort(keys(%{ $samples->[0] }))) {
1.594 raeburn 7601: $r->print(&start_data_table_row().'<td><select name="f'.$i.'"'.
1.32 matthew 7602: ' onchange="javascript:flip(this.form,'.$i.');">');
1.301 albertel 7603: foreach my $option (@$d) {
7604: my ($value,$display,$defaultcol)=@{ $option };
1.174 matthew 7605: $r->print('<option value="'.$value.'"'.
1.253 albertel 7606: ($i eq $defaultcol ? ' selected="selected" ':'').'>'.
1.174 matthew 7607: $display.'</option>');
1.31 albertel 7608: }
7609: $r->print('</select></td><td>');
1.662 bisitz 7610: foreach my $line (0..($max_samples-1)) {
1.301 albertel 7611: if (defined($samples->[$line]{$key})) {
7612: $r->print($samples->[$line]{$key}."<br />\n");
7613: }
7614: }
1.594 raeburn 7615: $r->print('</td>'.&end_data_table_row());
1.31 albertel 7616: $i++;
7617: }
1.594 raeburn 7618: $r->print(&end_data_table());
1.31 albertel 7619: $i--;
7620: return($i);
1.115 matthew 7621: }
7622:
1.144 matthew 7623: ######################################################
7624: ######################################################
7625:
1.115 matthew 7626: =pod
7627:
1.648 raeburn 7628: =item * &clean_excel_name($name)
1.115 matthew 7629:
7630: Returns a replacement for $name which does not contain any illegal characters.
7631:
7632: =cut
7633:
1.144 matthew 7634: ######################################################
7635: ######################################################
1.115 matthew 7636: sub clean_excel_name {
7637: my ($name) = @_;
7638: $name =~ s/[:\*\?\/\\]//g;
7639: if (length($name) > 31) {
7640: $name = substr($name,0,31);
7641: }
7642: return $name;
1.25 albertel 7643: }
1.84 albertel 7644:
1.85 albertel 7645: =pod
7646:
1.648 raeburn 7647: =item * &check_if_partid_hidden($id,$symb,$udom,$uname)
1.85 albertel 7648:
7649: Returns either 1 or undef
7650:
7651: 1 if the part is to be hidden, undef if it is to be shown
7652:
7653: Arguments are:
7654:
7655: $id the id of the part to be checked
7656: $symb, optional the symb of the resource to check
7657: $udom, optional the domain of the user to check for
7658: $uname, optional the username of the user to check for
7659:
7660: =cut
1.84 albertel 7661:
7662: sub check_if_partid_hidden {
7663: my ($id,$symb,$udom,$uname) = @_;
1.133 albertel 7664: my $hiddenparts=&Apache::lonnet::EXT('resource.0.hiddenparts',
1.84 albertel 7665: $symb,$udom,$uname);
1.141 albertel 7666: my $truth=1;
7667: #if the string starts with !, then the list is the list to show not hide
7668: if ($hiddenparts=~s/^\s*!//) { $truth=undef; }
1.84 albertel 7669: my @hiddenlist=split(/,/,$hiddenparts);
7670: foreach my $checkid (@hiddenlist) {
1.141 albertel 7671: if ($checkid =~ /^\s*\Q$id\E\s*$/) { return $truth; }
1.84 albertel 7672: }
1.141 albertel 7673: return !$truth;
1.84 albertel 7674: }
1.127 matthew 7675:
1.138 matthew 7676:
7677: ############################################################
7678: ############################################################
7679:
7680: =pod
7681:
1.157 matthew 7682: =back
7683:
1.138 matthew 7684: =head1 cgi-bin script and graphing routines
7685:
1.157 matthew 7686: =over 4
7687:
1.648 raeburn 7688: =item * &get_cgi_id()
1.138 matthew 7689:
7690: Inputs: none
7691:
7692: Returns an id which can be used to pass environment variables
7693: to various cgi-bin scripts. These environment variables will
7694: be removed from the users environment after a given time by
7695: the routine &Apache::lonnet::transfer_profile_to_env.
7696:
7697: =cut
7698:
7699: ############################################################
7700: ############################################################
1.152 albertel 7701: my $uniq=0;
1.136 matthew 7702: sub get_cgi_id {
1.154 albertel 7703: $uniq=($uniq+1)%100000;
1.280 albertel 7704: return (time.'_'.$$.'_'.$uniq);
1.136 matthew 7705: }
7706:
1.127 matthew 7707: ############################################################
7708: ############################################################
7709:
7710: =pod
7711:
1.648 raeburn 7712: =item * &DrawBarGraph()
1.127 matthew 7713:
1.138 matthew 7714: Facilitates the plotting of data in a (stacked) bar graph.
7715: Puts plot definition data into the users environment in order for
7716: graph.png to plot it. Returns an <img> tag for the plot.
7717: The bars on the plot are labeled '1','2',...,'n'.
7718:
7719: Inputs:
7720:
7721: =over 4
7722:
7723: =item $Title: string, the title of the plot
7724:
7725: =item $xlabel: string, text describing the X-axis of the plot
7726:
7727: =item $ylabel: string, text describing the Y-axis of the plot
7728:
7729: =item $Max: scalar, the maximum Y value to use in the plot
7730: If $Max is < any data point, the graph will not be rendered.
7731:
1.140 matthew 7732: =item $colors: array ref holding the colors to be used for the data sets when
1.138 matthew 7733: they are plotted. If undefined, default values will be used.
7734:
1.178 matthew 7735: =item $labels: array ref holding the labels to use on the x-axis for the bars.
7736:
1.138 matthew 7737: =item @Values: An array of array references. Each array reference holds data
7738: to be plotted in a stacked bar chart.
7739:
1.239 matthew 7740: =item If the final element of @Values is a hash reference the key/value
7741: pairs will be added to the graph definition.
7742:
1.138 matthew 7743: =back
7744:
7745: Returns:
7746:
7747: An <img> tag which references graph.png and the appropriate identifying
7748: information for the plot.
7749:
1.127 matthew 7750: =cut
7751:
7752: ############################################################
7753: ############################################################
1.134 matthew 7754: sub DrawBarGraph {
1.178 matthew 7755: my ($Title,$xlabel,$ylabel,$Max,$colors,$labels,@Values)=@_;
1.134 matthew 7756: #
7757: if (! defined($colors)) {
7758: $colors = ['#33ff00',
7759: '#0033cc', '#990000', '#aaaa66', '#663399', '#ff9933',
7760: '#66ccff', '#ff9999', '#cccc33', '#660000', '#33cc66',
7761: ];
7762: }
1.228 matthew 7763: my $extra_settings = {};
7764: if (ref($Values[-1]) eq 'HASH') {
7765: $extra_settings = pop(@Values);
7766: }
1.127 matthew 7767: #
1.136 matthew 7768: my $identifier = &get_cgi_id();
7769: my $id = 'cgi.'.$identifier;
1.129 matthew 7770: if (! @Values || ref($Values[0]) ne 'ARRAY') {
1.127 matthew 7771: return '';
7772: }
1.225 matthew 7773: #
7774: my @Labels;
7775: if (defined($labels)) {
7776: @Labels = @$labels;
7777: } else {
7778: for (my $i=0;$i<@{$Values[0]};$i++) {
7779: push (@Labels,$i+1);
7780: }
7781: }
7782: #
1.129 matthew 7783: my $NumBars = scalar(@{$Values[0]});
1.225 matthew 7784: if ($NumBars < scalar(@Labels)) { $NumBars = scalar(@Labels); }
1.129 matthew 7785: my %ValuesHash;
7786: my $NumSets=1;
7787: foreach my $array (@Values) {
7788: next if (! ref($array));
1.136 matthew 7789: $ValuesHash{$id.'.data.'.$NumSets++} =
1.132 matthew 7790: join(',',@$array);
1.129 matthew 7791: }
1.127 matthew 7792: #
1.136 matthew 7793: my ($height,$width,$xskip,$bar_width) = (200,120,1,15);
1.225 matthew 7794: if ($NumBars < 3) {
7795: $width = 120+$NumBars*32;
1.220 matthew 7796: $xskip = 1;
1.225 matthew 7797: $bar_width = 30;
7798: } elsif ($NumBars < 5) {
7799: $width = 120+$NumBars*20;
7800: $xskip = 1;
7801: $bar_width = 20;
1.220 matthew 7802: } elsif ($NumBars < 10) {
1.136 matthew 7803: $width = 120+$NumBars*15;
7804: $xskip = 1;
7805: $bar_width = 15;
7806: } elsif ($NumBars <= 25) {
7807: $width = 120+$NumBars*11;
7808: $xskip = 5;
7809: $bar_width = 8;
7810: } elsif ($NumBars <= 50) {
7811: $width = 120+$NumBars*8;
7812: $xskip = 5;
7813: $bar_width = 4;
7814: } else {
7815: $width = 120+$NumBars*8;
7816: $xskip = 5;
7817: $bar_width = 4;
7818: }
7819: #
1.137 matthew 7820: $Max = 1 if ($Max < 1);
7821: if ( int($Max) < $Max ) {
7822: $Max++;
7823: $Max = int($Max);
7824: }
1.127 matthew 7825: $Title = '' if (! defined($Title));
7826: $xlabel = '' if (! defined($xlabel));
7827: $ylabel = '' if (! defined($ylabel));
1.369 www 7828: $ValuesHash{$id.'.title'} = &escape($Title);
7829: $ValuesHash{$id.'.xlabel'} = &escape($xlabel);
7830: $ValuesHash{$id.'.ylabel'} = &escape($ylabel);
1.137 matthew 7831: $ValuesHash{$id.'.y_max_value'} = $Max;
1.136 matthew 7832: $ValuesHash{$id.'.NumBars'} = $NumBars;
7833: $ValuesHash{$id.'.NumSets'} = $NumSets;
7834: $ValuesHash{$id.'.PlotType'} = 'bar';
7835: $ValuesHash{$id.'.Colors'} = join(',',@{$colors});
7836: $ValuesHash{$id.'.height'} = $height;
7837: $ValuesHash{$id.'.width'} = $width;
7838: $ValuesHash{$id.'.xskip'} = $xskip;
7839: $ValuesHash{$id.'.bar_width'} = $bar_width;
7840: $ValuesHash{$id.'.labels'} = join(',',@Labels);
1.127 matthew 7841: #
1.228 matthew 7842: # Deal with other parameters
7843: while (my ($key,$value) = each(%$extra_settings)) {
7844: $ValuesHash{$id.'.'.$key} = $value;
7845: }
7846: #
1.646 raeburn 7847: &Apache::lonnet::appenv(\%ValuesHash);
1.137 matthew 7848: return '<img src="/cgi-bin/graph.png?'.$identifier.'" border="1" />';
7849: }
7850:
7851: ############################################################
7852: ############################################################
7853:
7854: =pod
7855:
1.648 raeburn 7856: =item * &DrawXYGraph()
1.137 matthew 7857:
1.138 matthew 7858: Facilitates the plotting of data in an XY graph.
7859: Puts plot definition data into the users environment in order for
7860: graph.png to plot it. Returns an <img> tag for the plot.
7861:
7862: Inputs:
7863:
7864: =over 4
7865:
7866: =item $Title: string, the title of the plot
7867:
7868: =item $xlabel: string, text describing the X-axis of the plot
7869:
7870: =item $ylabel: string, text describing the Y-axis of the plot
7871:
7872: =item $Max: scalar, the maximum Y value to use in the plot
7873: If $Max is < any data point, the graph will not be rendered.
7874:
7875: =item $colors: Array ref containing the hex color codes for the data to be
7876: plotted in. If undefined, default values will be used.
7877:
7878: =item $Xlabels: Array ref containing the labels to be used for the X-axis.
7879:
7880: =item $Ydata: Array ref containing Array refs.
1.185 www 7881: Each of the contained arrays will be plotted as a separate curve.
1.138 matthew 7882:
7883: =item %Values: hash indicating or overriding any default values which are
7884: passed to graph.png.
7885: Possible values are: width, xskip, x_ticks, x_tick_offset, among others.
7886:
7887: =back
7888:
7889: Returns:
7890:
7891: An <img> tag which references graph.png and the appropriate identifying
7892: information for the plot.
7893:
1.137 matthew 7894: =cut
7895:
7896: ############################################################
7897: ############################################################
7898: sub DrawXYGraph {
7899: my ($Title,$xlabel,$ylabel,$Max,$colors,$Xlabels,$Ydata,%Values)=@_;
7900: #
7901: # Create the identifier for the graph
7902: my $identifier = &get_cgi_id();
7903: my $id = 'cgi.'.$identifier;
7904: #
7905: $Title = '' if (! defined($Title));
7906: $xlabel = '' if (! defined($xlabel));
7907: $ylabel = '' if (! defined($ylabel));
7908: my %ValuesHash =
7909: (
1.369 www 7910: $id.'.title' => &escape($Title),
7911: $id.'.xlabel' => &escape($xlabel),
7912: $id.'.ylabel' => &escape($ylabel),
1.137 matthew 7913: $id.'.y_max_value'=> $Max,
7914: $id.'.labels' => join(',',@$Xlabels),
7915: $id.'.PlotType' => 'XY',
7916: );
7917: #
7918: if (defined($colors) && ref($colors) eq 'ARRAY') {
7919: $ValuesHash{$id.'.Colors'} = join(',',@{$colors});
7920: }
7921: #
7922: if (! ref($Ydata) || ref($Ydata) ne 'ARRAY') {
7923: return '';
7924: }
7925: my $NumSets=1;
1.138 matthew 7926: foreach my $array (@{$Ydata}){
1.137 matthew 7927: next if (! ref($array));
7928: $ValuesHash{$id.'.data.'.$NumSets++} = join(',',@$array);
7929: }
1.138 matthew 7930: $ValuesHash{$id.'.NumSets'} = $NumSets-1;
1.137 matthew 7931: #
7932: # Deal with other parameters
7933: while (my ($key,$value) = each(%Values)) {
7934: $ValuesHash{$id.'.'.$key} = $value;
1.127 matthew 7935: }
7936: #
1.646 raeburn 7937: &Apache::lonnet::appenv(\%ValuesHash);
1.136 matthew 7938: return '<img src="/cgi-bin/graph.png?'.$identifier.'" border="1" />';
7939: }
7940:
7941: ############################################################
7942: ############################################################
7943:
7944: =pod
7945:
1.648 raeburn 7946: =item * &DrawXYYGraph()
1.138 matthew 7947:
7948: Facilitates the plotting of data in an XY graph with two Y axes.
7949: Puts plot definition data into the users environment in order for
7950: graph.png to plot it. Returns an <img> tag for the plot.
7951:
7952: Inputs:
7953:
7954: =over 4
7955:
7956: =item $Title: string, the title of the plot
7957:
7958: =item $xlabel: string, text describing the X-axis of the plot
7959:
7960: =item $ylabel: string, text describing the Y-axis of the plot
7961:
7962: =item $colors: Array ref containing the hex color codes for the data to be
7963: plotted in. If undefined, default values will be used.
7964:
7965: =item $Xlabels: Array ref containing the labels to be used for the X-axis.
7966:
7967: =item $Ydata1: The first data set
7968:
7969: =item $Min1: The minimum value of the left Y-axis
7970:
7971: =item $Max1: The maximum value of the left Y-axis
7972:
7973: =item $Ydata2: The second data set
7974:
7975: =item $Min2: The minimum value of the right Y-axis
7976:
7977: =item $Max2: The maximum value of the left Y-axis
7978:
7979: =item %Values: hash indicating or overriding any default values which are
7980: passed to graph.png.
7981: Possible values are: width, xskip, x_ticks, x_tick_offset, among others.
7982:
7983: =back
7984:
7985: Returns:
7986:
7987: An <img> tag which references graph.png and the appropriate identifying
7988: information for the plot.
1.136 matthew 7989:
7990: =cut
7991:
7992: ############################################################
7993: ############################################################
1.137 matthew 7994: sub DrawXYYGraph {
7995: my ($Title,$xlabel,$ylabel,$colors,$Xlabels,$Ydata1,$Min1,$Max1,
7996: $Ydata2,$Min2,$Max2,%Values)=@_;
1.136 matthew 7997: #
7998: # Create the identifier for the graph
7999: my $identifier = &get_cgi_id();
8000: my $id = 'cgi.'.$identifier;
8001: #
8002: $Title = '' if (! defined($Title));
8003: $xlabel = '' if (! defined($xlabel));
8004: $ylabel = '' if (! defined($ylabel));
8005: my %ValuesHash =
8006: (
1.369 www 8007: $id.'.title' => &escape($Title),
8008: $id.'.xlabel' => &escape($xlabel),
8009: $id.'.ylabel' => &escape($ylabel),
1.136 matthew 8010: $id.'.labels' => join(',',@$Xlabels),
8011: $id.'.PlotType' => 'XY',
8012: $id.'.NumSets' => 2,
1.137 matthew 8013: $id.'.two_axes' => 1,
8014: $id.'.y1_max_value' => $Max1,
8015: $id.'.y1_min_value' => $Min1,
8016: $id.'.y2_max_value' => $Max2,
8017: $id.'.y2_min_value' => $Min2,
1.136 matthew 8018: );
8019: #
1.137 matthew 8020: if (defined($colors) && ref($colors) eq 'ARRAY') {
8021: $ValuesHash{$id.'.Colors'} = join(',',@{$colors});
8022: }
8023: #
8024: if (! ref($Ydata1) || ref($Ydata1) ne 'ARRAY' ||
8025: ! ref($Ydata2) || ref($Ydata2) ne 'ARRAY'){
1.136 matthew 8026: return '';
8027: }
8028: my $NumSets=1;
1.137 matthew 8029: foreach my $array ($Ydata1,$Ydata2){
1.136 matthew 8030: next if (! ref($array));
8031: $ValuesHash{$id.'.data.'.$NumSets++} = join(',',@$array);
1.137 matthew 8032: }
8033: #
8034: # Deal with other parameters
8035: while (my ($key,$value) = each(%Values)) {
8036: $ValuesHash{$id.'.'.$key} = $value;
1.136 matthew 8037: }
8038: #
1.646 raeburn 8039: &Apache::lonnet::appenv(\%ValuesHash);
1.130 albertel 8040: return '<img src="/cgi-bin/graph.png?'.$identifier.'" border="1" />';
1.139 matthew 8041: }
8042:
8043: ############################################################
8044: ############################################################
8045:
8046: =pod
8047:
1.157 matthew 8048: =back
8049:
1.139 matthew 8050: =head1 Statistics helper routines?
8051:
8052: Bad place for them but what the hell.
8053:
1.157 matthew 8054: =over 4
8055:
1.648 raeburn 8056: =item * &chartlink()
1.139 matthew 8057:
8058: Returns a link to the chart for a specific student.
8059:
8060: Inputs:
8061:
8062: =over 4
8063:
8064: =item $linktext: The text of the link
8065:
8066: =item $sname: The students username
8067:
8068: =item $sdomain: The students domain
8069:
8070: =back
8071:
1.157 matthew 8072: =back
8073:
1.139 matthew 8074: =cut
8075:
8076: ############################################################
8077: ############################################################
8078: sub chartlink {
8079: my ($linktext, $sname, $sdomain) = @_;
8080: my $link = '<a href="/adm/statistics?reportSelected=student_assessment'.
1.369 www 8081: '&SelectedStudent='.&escape($sname.':'.$sdomain).
1.219 albertel 8082: '&chartoutputmode='.HTML::Entities::encode('html, with all links').
1.139 matthew 8083: '">'.$linktext.'</a>';
1.153 matthew 8084: }
8085:
8086: #######################################################
8087: #######################################################
8088:
8089: =pod
8090:
8091: =head1 Course Environment Routines
1.157 matthew 8092:
8093: =over 4
1.153 matthew 8094:
1.648 raeburn 8095: =item * &restore_course_settings()
1.153 matthew 8096:
1.648 raeburn 8097: =item * &store_course_settings()
1.153 matthew 8098:
8099: Restores/Store indicated form parameters from the course environment.
8100: Will not overwrite existing values of the form parameters.
8101:
8102: Inputs:
8103: a scalar describing the data (e.g. 'chart', 'problem_analysis')
8104:
8105: a hash ref describing the data to be stored. For example:
8106:
8107: %Save_Parameters = ('Status' => 'scalar',
8108: 'chartoutputmode' => 'scalar',
8109: 'chartoutputdata' => 'scalar',
8110: 'Section' => 'array',
1.373 raeburn 8111: 'Group' => 'array',
1.153 matthew 8112: 'StudentData' => 'array',
8113: 'Maps' => 'array');
8114:
8115: Returns: both routines return nothing
8116:
1.631 raeburn 8117: =back
8118:
1.153 matthew 8119: =cut
8120:
8121: #######################################################
8122: #######################################################
8123: sub store_course_settings {
1.496 albertel 8124: return &store_settings($env{'request.course.id'},@_);
8125: }
8126:
8127: sub store_settings {
1.153 matthew 8128: # save to the environment
8129: # appenv the same items, just to be safe
1.300 albertel 8130: my $udom = $env{'user.domain'};
8131: my $uname = $env{'user.name'};
1.496 albertel 8132: my ($context,$prefix,$Settings) = @_;
1.153 matthew 8133: my %SaveHash;
8134: my %AppHash;
8135: while (my ($setting,$type) = each(%$Settings)) {
1.496 albertel 8136: my $basename = join('.','internal',$context,$prefix,$setting);
1.300 albertel 8137: my $envname = 'environment.'.$basename;
1.258 albertel 8138: if (exists($env{'form.'.$setting})) {
1.153 matthew 8139: # Save this value away
8140: if ($type eq 'scalar' &&
1.258 albertel 8141: (! exists($env{$envname}) ||
8142: $env{$envname} ne $env{'form.'.$setting})) {
8143: $SaveHash{$basename} = $env{'form.'.$setting};
8144: $AppHash{$envname} = $env{'form.'.$setting};
1.153 matthew 8145: } elsif ($type eq 'array') {
8146: my $stored_form;
1.258 albertel 8147: if (ref($env{'form.'.$setting})) {
1.153 matthew 8148: $stored_form = join(',',
8149: map {
1.369 www 8150: &escape($_);
1.258 albertel 8151: } sort(@{$env{'form.'.$setting}}));
1.153 matthew 8152: } else {
8153: $stored_form =
1.369 www 8154: &escape($env{'form.'.$setting});
1.153 matthew 8155: }
8156: # Determine if the array contents are the same.
1.258 albertel 8157: if ($stored_form ne $env{$envname}) {
1.153 matthew 8158: $SaveHash{$basename} = $stored_form;
8159: $AppHash{$envname} = $stored_form;
8160: }
8161: }
8162: }
8163: }
8164: my $put_result = &Apache::lonnet::put('environment',\%SaveHash,
1.300 albertel 8165: $udom,$uname);
1.153 matthew 8166: if ($put_result !~ /^(ok|delayed)/) {
8167: &Apache::lonnet::logthis('unable to save form parameters, '.
8168: 'got error:'.$put_result);
8169: }
8170: # Make sure these settings stick around in this session, too
1.646 raeburn 8171: &Apache::lonnet::appenv(\%AppHash);
1.153 matthew 8172: return;
8173: }
8174:
8175: sub restore_course_settings {
1.499 albertel 8176: return &restore_settings($env{'request.course.id'},@_);
1.496 albertel 8177: }
8178:
8179: sub restore_settings {
8180: my ($context,$prefix,$Settings) = @_;
1.153 matthew 8181: while (my ($setting,$type) = each(%$Settings)) {
1.258 albertel 8182: next if (exists($env{'form.'.$setting}));
1.496 albertel 8183: my $envname = 'environment.internal.'.$context.'.'.$prefix.
1.153 matthew 8184: '.'.$setting;
1.258 albertel 8185: if (exists($env{$envname})) {
1.153 matthew 8186: if ($type eq 'scalar') {
1.258 albertel 8187: $env{'form.'.$setting} = $env{$envname};
1.153 matthew 8188: } elsif ($type eq 'array') {
1.258 albertel 8189: $env{'form.'.$setting} = [
1.153 matthew 8190: map {
1.369 www 8191: &unescape($_);
1.258 albertel 8192: } split(',',$env{$envname})
1.153 matthew 8193: ];
8194: }
8195: }
8196: }
1.127 matthew 8197: }
8198:
1.618 raeburn 8199: #######################################################
8200: #######################################################
8201:
8202: =pod
8203:
8204: =head1 Domain E-mail Routines
8205:
8206: =over 4
8207:
1.648 raeburn 8208: =item * &build_recipient_list()
1.618 raeburn 8209:
8210: Build recipient lists for three types of e-mail:
8211: (a) Error Reports, (b) Package Updates, (c) Help requests, generated by
1.619 raeburn 8212: lonerrorhandler.pm, CHECKRPMS and lonsupportreq.pm respectively.
1.618 raeburn 8213:
8214: Inputs:
1.619 raeburn 8215: defmail (scalar - email address of default recipient),
1.618 raeburn 8216: mailing type (scalar - errormail, packagesmail, or helpdeskmail),
1.619 raeburn 8217: defdom (domain for which to retrieve configuration settings),
8218: origmail (scalar - email address of recipient from loncapa.conf,
8219: i.e., predates configuration by DC via domainprefs.pm
1.618 raeburn 8220:
1.655 raeburn 8221: Returns: comma separated list of addresses to which to send e-mail.
8222:
8223: =back
1.618 raeburn 8224:
8225: =cut
8226:
8227: ############################################################
8228: ############################################################
8229: sub build_recipient_list {
1.619 raeburn 8230: my ($defmail,$mailing,$defdom,$origmail) = @_;
1.618 raeburn 8231: my @recipients;
8232: my $otheremails;
8233: my %domconfig =
8234: &Apache::lonnet::get_dom('configuration',['contacts'],$defdom);
8235: if (ref($domconfig{'contacts'}) eq 'HASH') {
8236: if (ref($domconfig{'contacts'}{$mailing}) eq 'HASH') {
8237: my @contacts = ('adminemail','supportemail');
8238: foreach my $item (@contacts) {
8239: if ($domconfig{'contacts'}{$mailing}{$item}) {
1.619 raeburn 8240: my $addr = $domconfig{'contacts'}{$item};
8241: if (!grep(/^\Q$addr\E$/,@recipients)) {
8242: push(@recipients,$addr);
8243: }
1.618 raeburn 8244: }
8245: $otheremails = $domconfig{'contacts'}{$mailing}{'others'};
8246: }
8247: }
1.619 raeburn 8248: } elsif ($origmail ne '') {
8249: push(@recipients,$origmail);
1.618 raeburn 8250: }
8251: if ($defmail ne '') {
8252: push(@recipients,$defmail);
8253: }
8254: if ($otheremails) {
1.619 raeburn 8255: my @others;
8256: if ($otheremails =~ /,/) {
8257: @others = split(/,/,$otheremails);
1.618 raeburn 8258: } else {
1.619 raeburn 8259: push(@others,$otheremails);
8260: }
8261: foreach my $addr (@others) {
8262: if (!grep(/^\Q$addr\E$/,@recipients)) {
8263: push(@recipients,$addr);
8264: }
1.618 raeburn 8265: }
8266: }
1.619 raeburn 8267: my $recipientlist = join(',',@recipients);
1.618 raeburn 8268: return $recipientlist;
8269: }
8270:
1.127 matthew 8271: ############################################################
8272: ############################################################
1.154 albertel 8273:
1.655 raeburn 8274: =pod
8275:
8276: =head1 Course Catalog Routines
8277:
8278: =over 4
8279:
8280: =item * &gather_categories()
8281:
8282: Converts category definitions - keys of categories hash stored in
8283: coursecategories in configuration.db on the primary library server in a
8284: domain - to an array. Also generates javascript and idx hash used to
8285: generate Domain Coordinator interface for editing Course Categories.
8286:
8287: Inputs:
1.663 raeburn 8288:
1.655 raeburn 8289: categories (reference to hash of category definitions).
1.663 raeburn 8290:
1.655 raeburn 8291: cats (reference to array of arrays/hashes which encapsulates hierarchy of
8292: categories and subcategories).
1.663 raeburn 8293:
1.655 raeburn 8294: idx (reference to hash of counters used in Domain Coordinator interface for
8295: editing Course Categories).
1.663 raeburn 8296:
1.655 raeburn 8297: jsarray (reference to array of categories used to create Javascript arrays for
8298: Domain Coordinator interface for editing Course Categories).
8299:
8300: Returns: nothing
8301:
8302: Side effects: populates cats, idx and jsarray.
8303:
8304: =cut
8305:
8306: sub gather_categories {
8307: my ($categories,$cats,$idx,$jsarray) = @_;
8308: my %counters;
8309: my $num = 0;
8310: foreach my $item (keys(%{$categories})) {
8311: my ($cat,$container,$depth) = map { &unescape($_); } split(/:/,$item);
8312: if ($container eq '' && $depth == 0) {
8313: $cats->[$depth][$categories->{$item}] = $cat;
8314: } else {
8315: $cats->[$depth]{$container}[$categories->{$item}] = $cat;
8316: }
8317: my ($escitem,$tail) = split(/:/,$item,2);
8318: if ($counters{$tail} eq '') {
8319: $counters{$tail} = $num;
8320: $num ++;
8321: }
8322: if (ref($idx) eq 'HASH') {
8323: $idx->{$item} = $counters{$tail};
8324: }
8325: if (ref($jsarray) eq 'ARRAY') {
8326: push(@{$jsarray->[$counters{$tail}]},$item);
8327: }
8328: }
8329: return;
8330: }
8331:
8332: =pod
8333:
8334: =item * &extract_categories()
8335:
8336: Used to generate breadcrumb trails for course categories.
8337:
8338: Inputs:
1.663 raeburn 8339:
1.655 raeburn 8340: categories (reference to hash of category definitions).
1.663 raeburn 8341:
1.655 raeburn 8342: cats (reference to array of arrays/hashes which encapsulates hierarchy of
8343: categories and subcategories).
1.663 raeburn 8344:
1.655 raeburn 8345: trails (reference to array of breacrumb trails for each category).
1.663 raeburn 8346:
1.655 raeburn 8347: allitems (reference to hash - key is category key
8348: (format: escaped(name):escaped(parent category):depth in hierarchy).
1.663 raeburn 8349:
1.655 raeburn 8350: idx (reference to hash of counters used in Domain Coordinator interface for
8351: editing Course Categories).
1.663 raeburn 8352:
1.655 raeburn 8353: jsarray (reference to array of categories used to create Javascript arrays for
8354: Domain Coordinator interface for editing Course Categories).
8355:
1.665 raeburn 8356: subcats (reference to hash of arrays containing all subcategories within each
8357: category, -recursive)
8358:
1.655 raeburn 8359: Returns: nothing
8360:
8361: Side effects: populates trails and allitems hash references.
8362:
8363: =cut
8364:
8365: sub extract_categories {
1.665 raeburn 8366: my ($categories,$cats,$trails,$allitems,$idx,$jsarray,$subcats) = @_;
1.655 raeburn 8367: if (ref($categories) eq 'HASH') {
8368: &gather_categories($categories,$cats,$idx,$jsarray);
8369: if (ref($cats->[0]) eq 'ARRAY') {
8370: for (my $i=0; $i<@{$cats->[0]}; $i++) {
8371: my $name = $cats->[0][$i];
8372: my $item = &escape($name).'::0';
8373: my $trailstr;
8374: if ($name eq 'instcode') {
8375: $trailstr = &mt('Official courses (with institutional codes)');
8376: } else {
8377: $trailstr = $name;
8378: }
8379: if ($allitems->{$item} eq '') {
8380: push(@{$trails},$trailstr);
8381: $allitems->{$item} = scalar(@{$trails})-1;
8382: }
8383: my @parents = ($name);
8384: if (ref($cats->[1]{$name}) eq 'ARRAY') {
8385: for (my $j=0; $j<@{$cats->[1]{$name}}; $j++) {
8386: my $category = $cats->[1]{$name}[$j];
1.665 raeburn 8387: if (ref($subcats) eq 'HASH') {
8388: push(@{$subcats->{$item}},&escape($category).':'.&escape($name).':1');
8389: }
8390: &recurse_categories($cats,2,$category,$trails,$allitems,\@parents,$subcats);
8391: }
8392: } else {
8393: if (ref($subcats) eq 'HASH') {
8394: $subcats->{$item} = [];
1.655 raeburn 8395: }
8396: }
8397: }
8398: }
8399: }
8400: return;
8401: }
8402:
8403: =pod
8404:
8405: =item *&recurse_categories()
8406:
8407: Recursively used to generate breadcrumb trails for course categories.
8408:
8409: Inputs:
1.663 raeburn 8410:
1.655 raeburn 8411: cats (reference to array of arrays/hashes which encapsulates hierarchy of
8412: categories and subcategories).
1.663 raeburn 8413:
1.655 raeburn 8414: depth (current depth in hierarchy of categories and sub-categories - 0 indexed).
1.663 raeburn 8415:
8416: category (current course category, for which breadcrumb trail is being generated).
8417:
8418: trails (reference to array of breadcrumb trails for each category).
8419:
1.655 raeburn 8420: allitems (reference to hash - key is category key
8421: (format: escaped(name):escaped(parent category):depth in hierarchy).
1.663 raeburn 8422:
1.655 raeburn 8423: parents (array containing containers directories for current category,
8424: back to top level).
8425:
8426: Returns: nothing
8427:
8428: Side effects: populates trails and allitems hash references
8429:
8430: =cut
8431:
8432: sub recurse_categories {
1.665 raeburn 8433: my ($cats,$depth,$category,$trails,$allitems,$parents,$subcats) = @_;
1.655 raeburn 8434: my $shallower = $depth - 1;
8435: if (ref($cats->[$depth]{$category}) eq 'ARRAY') {
8436: for (my $k=0; $k<@{$cats->[$depth]{$category}}; $k++) {
8437: my $name = $cats->[$depth]{$category}[$k];
8438: my $item = &escape($category).':'.&escape($parents->[-1]).':'.$shallower;
8439: my $trailstr = join(' -> ',(@{$parents},$category));
8440: if ($allitems->{$item} eq '') {
8441: push(@{$trails},$trailstr);
8442: $allitems->{$item} = scalar(@{$trails})-1;
8443: }
8444: my $deeper = $depth+1;
8445: push(@{$parents},$category);
1.665 raeburn 8446: if (ref($subcats) eq 'HASH') {
8447: my $subcat = &escape($name).':'.$category.':'.$depth;
8448: for (my $j=@{$parents}; $j>=0; $j--) {
8449: my $higher;
8450: if ($j > 0) {
8451: $higher = &escape($parents->[$j]).':'.
8452: &escape($parents->[$j-1]).':'.$j;
8453: } else {
8454: $higher = &escape($parents->[$j]).'::'.$j;
8455: }
8456: push(@{$subcats->{$higher}},$subcat);
8457: }
8458: }
8459: &recurse_categories($cats,$deeper,$name,$trails,$allitems,$parents,
8460: $subcats);
1.655 raeburn 8461: pop(@{$parents});
8462: }
8463: } else {
8464: my $item = &escape($category).':'.&escape($parents->[-1]).':'.$shallower;
8465: my $trailstr = join(' -> ',(@{$parents},$category));
8466: if ($allitems->{$item} eq '') {
8467: push(@{$trails},$trailstr);
8468: $allitems->{$item} = scalar(@{$trails})-1;
8469: }
8470: }
8471: return;
8472: }
8473:
1.663 raeburn 8474: =pod
8475:
8476: =item *&assign_categories_table()
8477:
8478: Create a datatable for display of hierarchical categories in a domain,
8479: with checkboxes to allow a course to be categorized.
8480:
8481: Inputs:
8482:
8483: cathash - reference to hash of categories defined for the domain (from
8484: configuration.db)
8485:
8486: currcat - scalar with an & separated list of categories assigned to a course.
8487:
8488: Returns: $output (markup to be displayed)
8489:
8490: =cut
8491:
8492: sub assign_categories_table {
8493: my ($cathash,$currcat) = @_;
8494: my $output;
8495: if (ref($cathash) eq 'HASH') {
8496: my (@cats,@trails,%allitems,%idx,@jsarray,@path,$maxdepth);
8497: &extract_categories($cathash,\@cats,\@trails,\%allitems,\%idx,\@jsarray);
8498: $maxdepth = scalar(@cats);
8499: if (@cats > 0) {
8500: my $itemcount = 0;
8501: if (ref($cats[0]) eq 'ARRAY') {
8502: $output = &Apache::loncommon::start_data_table();
8503: my @currcategories;
8504: if ($currcat ne '') {
8505: @currcategories = split('&',$currcat);
8506: }
8507: for (my $i=0; $i<@{$cats[0]}; $i++) {
8508: my $parent = $cats[0][$i];
8509: my $css_class = $itemcount%2?' class="LC_odd_row"':'';
8510: next if ($parent eq 'instcode');
8511: my $item = &escape($parent).'::0';
8512: my $checked = '';
8513: if (@currcategories > 0) {
8514: if (grep(/^\Q$item\E$/,@currcategories)) {
8515: $checked = ' checked="checked" ';
8516: }
8517: }
1.675 raeburn 8518: $output .= '<tr '.$css_class.'><td><span class="LC_nobreak">'.
8519: '<input type="checkbox" name="usecategory" value="'.
8520: $item.'"'.$checked.' />'.$parent.'</span>'.
8521: '<input type="hidden" name="catname" value="'.$parent.'" /></td>';
1.663 raeburn 8522: my $depth = 1;
8523: push(@path,$parent);
8524: $output .= &assign_category_rows($itemcount,\@cats,$depth,$parent,\@path,\@currcategories);
8525: pop(@path);
8526: $output .= '</tr><tr><td colspan="'.$maxdepth.'" class="LC_row_separator"></td></tr>';
8527: $itemcount ++;
8528: }
8529: $output .= &Apache::loncommon::end_data_table();
8530: }
8531: }
8532: }
8533: return $output;
8534: }
8535:
8536: =pod
8537:
8538: =item *&assign_category_rows()
8539:
8540: Create a datatable row for display of nested categories in a domain,
8541: with checkboxes to allow a course to be categorized,called recursively.
8542:
8543: Inputs:
8544:
8545: itemcount - track row number for alternating colors
8546:
8547: cats - reference to array of arrays/hashes which encapsulates hierarchy of
8548: categories and subcategories.
8549:
8550: depth - current depth in hierarchy of categories and sub-categories - 0 indexed.
8551:
8552: parent - parent of current category item
8553:
8554: path - Array containing all categories back up through the hierarchy from the
8555: current category to the top level.
8556:
8557: currcategories - reference to array of current categories assigned to the course
8558:
8559: Returns: $output (markup to be displayed).
8560:
8561: =cut
8562:
8563: sub assign_category_rows {
8564: my ($itemcount,$cats,$depth,$parent,$path,$currcategories) = @_;
8565: my ($text,$name,$item,$chgstr);
8566: if (ref($cats) eq 'ARRAY') {
8567: my $maxdepth = scalar(@{$cats});
8568: if (ref($cats->[$depth]) eq 'HASH') {
8569: if (ref($cats->[$depth]{$parent}) eq 'ARRAY') {
8570: my $numchildren = @{$cats->[$depth]{$parent}};
8571: my $css_class = $itemcount%2?' class="LC_odd_row"':'';
8572: $text .= '<td><table class="LC_datatable">';
8573: for (my $j=0; $j<$numchildren; $j++) {
8574: $name = $cats->[$depth]{$parent}[$j];
8575: $item = &escape($name).':'.&escape($parent).':'.$depth;
8576: my $deeper = $depth+1;
8577: my $checked = '';
8578: if (ref($currcategories) eq 'ARRAY') {
8579: if (@{$currcategories} > 0) {
8580: if (grep(/^\Q$item\E$/,@{$currcategories})) {
8581: $checked = ' checked="checked" ';
8582: }
8583: }
8584: }
1.664 raeburn 8585: $text .= '<tr><td><span class="LC_nobreak"><label>'.
8586: '<input type="checkbox" name="usecategory" value="'.
1.675 raeburn 8587: $item.'"'.$checked.' />'.$name.'</label></span>'.
8588: '<input type="hidden" name="catname" value="'.$name.'" />'.
8589: '</td><td>';
1.663 raeburn 8590: if (ref($path) eq 'ARRAY') {
8591: push(@{$path},$name);
8592: $text .= &assign_category_rows($itemcount,$cats,$deeper,$name,$path,$currcategories);
8593: pop(@{$path});
8594: }
8595: $text .= '</td></tr>';
8596: }
8597: $text .= '</table></td>';
8598: }
8599: }
8600: }
8601: return $text;
8602: }
8603:
1.655 raeburn 8604: ############################################################
8605: ############################################################
8606:
8607:
1.443 albertel 8608: sub commit_customrole {
1.664 raeburn 8609: my ($udom,$uname,$url,$three,$four,$five,$start,$end,$context) = @_;
1.630 raeburn 8610: my $output = &mt('Assigning custom role').' "'.$five.'" by '.$four.':'.$three.' in '.$url.
1.443 albertel 8611: ($start?', '.&mt('starting').' '.localtime($start):'').
8612: ($end?', ending '.localtime($end):'').': <b>'.
8613: &Apache::lonnet::assigncustomrole(
1.664 raeburn 8614: $udom,$uname,$url,$three,$four,$five,$end,$start,undef,undef,$context).
1.443 albertel 8615: '</b><br />';
8616: return $output;
8617: }
8618:
8619: sub commit_standardrole {
1.541 raeburn 8620: my ($udom,$uname,$url,$three,$start,$end,$one,$two,$sec,$context) = @_;
8621: my ($output,$logmsg,$linefeed);
8622: if ($context eq 'auto') {
8623: $linefeed = "\n";
8624: } else {
8625: $linefeed = "<br />\n";
8626: }
1.443 albertel 8627: if ($three eq 'st') {
1.541 raeburn 8628: my $result = &commit_studentrole(\$logmsg,$udom,$uname,$url,$three,$start,$end,
8629: $one,$two,$sec,$context);
8630: if (($result =~ /^error/) || ($result eq 'not_in_class') ||
1.626 raeburn 8631: ($result eq 'unknown_course') || ($result eq 'refused')) {
8632: $output = $logmsg.' '.&mt('Error: ').$result."\n";
1.443 albertel 8633: } else {
1.541 raeburn 8634: $output = $logmsg.$linefeed.&mt('Assigning').' '.$three.' in '.$url.
1.443 albertel 8635: ($start?', '.&mt('starting').' '.localtime($start):'').
1.541 raeburn 8636: ($end?', '.&mt('ending').' '.localtime($end):'').': ';
8637: if ($context eq 'auto') {
8638: $output .= $result.$linefeed.&mt('Add to classlist').': ok';
8639: } else {
8640: $output .= '<b>'.$result.'</b>'.$linefeed.
8641: &mt('Add to classlist').': <b>ok</b>';
8642: }
8643: $output .= $linefeed;
1.443 albertel 8644: }
8645: } else {
8646: $output = &mt('Assigning').' '.$three.' in '.$url.
8647: ($start?', '.&mt('starting').' '.localtime($start):'').
1.541 raeburn 8648: ($end?', '.&mt('ending').' '.localtime($end):'').': ';
1.652 raeburn 8649: my $result = &Apache::lonnet::assignrole($udom,$uname,$url,$three,$end,$start,'','',$context);
1.541 raeburn 8650: if ($context eq 'auto') {
8651: $output .= $result.$linefeed;
8652: } else {
8653: $output .= '<b>'.$result.'</b>'.$linefeed;
8654: }
1.443 albertel 8655: }
8656: return $output;
8657: }
8658:
8659: sub commit_studentrole {
1.541 raeburn 8660: my ($logmsg,$udom,$uname,$url,$three,$start,$end,$one,$two,$sec,$context) = @_;
1.626 raeburn 8661: my ($result,$linefeed,$oldsecurl,$newsecurl);
1.541 raeburn 8662: if ($context eq 'auto') {
8663: $linefeed = "\n";
8664: } else {
8665: $linefeed = '<br />'."\n";
8666: }
1.443 albertel 8667: if (defined($one) && defined($two)) {
8668: my $cid=$one.'_'.$two;
8669: my $oldsec=&Apache::lonnet::getsection($udom,$uname,$cid);
8670: my $secchange = 0;
8671: my $expire_role_result;
8672: my $modify_section_result;
1.628 raeburn 8673: if ($oldsec ne '-1') {
8674: if ($oldsec ne $sec) {
1.443 albertel 8675: $secchange = 1;
1.628 raeburn 8676: my $now = time;
1.443 albertel 8677: my $uurl='/'.$cid;
8678: $uurl=~s/\_/\//g;
8679: if ($oldsec) {
8680: $uurl.='/'.$oldsec;
8681: }
1.626 raeburn 8682: $oldsecurl = $uurl;
1.628 raeburn 8683: $expire_role_result =
1.652 raeburn 8684: &Apache::lonnet::assignrole($udom,$uname,$uurl,'st',$now,'','',$context);
1.628 raeburn 8685: if ($env{'request.course.sec'} ne '') {
8686: if ($expire_role_result eq 'refused') {
8687: my @roles = ('st');
8688: my @statuses = ('previous');
8689: my @roledoms = ($one);
8690: my $withsec = 1;
8691: my %roleshash =
8692: &Apache::lonnet::get_my_roles($uname,$udom,'userroles',
8693: \@statuses,\@roles,\@roledoms,$withsec);
8694: if (defined ($roleshash{$two.':'.$one.':st:'.$oldsec})) {
8695: my ($oldstart,$oldend) =
8696: split(':',$roleshash{$two.':'.$one.':st:'.$oldsec});
8697: if ($oldend > 0 && $oldend <= $now) {
8698: $expire_role_result = 'ok';
8699: }
8700: }
8701: }
8702: }
1.443 albertel 8703: $result = $expire_role_result;
8704: }
8705: }
8706: if (($expire_role_result eq 'ok') || ($secchange == 0)) {
1.652 raeburn 8707: $modify_section_result = &Apache::lonnet::modify_student_enrollment($udom,$uname,undef,undef,undef,undef,undef,$sec,$end,$start,'','',$cid,'',$context);
1.443 albertel 8708: if ($modify_section_result =~ /^ok/) {
8709: if ($secchange == 1) {
1.628 raeburn 8710: if ($sec eq '') {
8711: $$logmsg .= &mt('Section for [_1] switched from (possibly expired) old section: [_2] to student role without a section.',$uname,$oldsec).$linefeed;
8712: } else {
8713: $$logmsg .= &mt('Section for [_1] switched from (possibly expired) old section: [_2] to new section: [_3].',$uname,$oldsec,$sec).$linefeed;
8714: }
1.443 albertel 8715: } elsif ($oldsec eq '-1') {
1.628 raeburn 8716: if ($sec eq '') {
8717: $$logmsg .= &mt('New student role without a section for [_1] in course [_2].',$uname,$cid).$linefeed;
8718: } else {
8719: $$logmsg .= &mt('New student role for [_1] in section [_2] in course [_3].',$uname,$sec,$cid).$linefeed;
8720: }
1.443 albertel 8721: } else {
1.628 raeburn 8722: if ($sec eq '') {
8723: $$logmsg .= &mt('Student [_1] assigned to course [_2] without a section.',$uname,$cid).$linefeed;
8724: } else {
8725: $$logmsg .= &mt('Student [_1] assigned to section [_2] in course [_3].',$uname,$sec,$cid).$linefeed;
8726: }
1.443 albertel 8727: }
8728: } else {
1.628 raeburn 8729: if ($secchange) {
8730: $$logmsg .= &mt('Error when attempting section change for [_1] from old section "[_2]" to new section: "[_3]" in course [_4] -error:',$uname,$oldsec,$sec,$cid).' '.$modify_section_result.$linefeed;
8731: } else {
8732: $$logmsg .= &mt('Error when attempting to modify role for [_1] for section: "[_2]" in course [_3] -error:',$uname,$sec,$cid).' '.$modify_section_result.$linefeed;
8733: }
1.443 albertel 8734: }
8735: $result = $modify_section_result;
8736: } elsif ($secchange == 1) {
1.628 raeburn 8737: if ($oldsec eq '') {
8738: $$logmsg .= &mt('Error when attempting to expire existing role without a section for [_1] in course [_3] -error: ',$uname,$cid).' '.$expire_role_result.$linefeed;
8739: } else {
8740: $$logmsg .= &mt('Error when attempting to expire existing role for [_1] in section [_2] in course [_3] -error: ',$uname,$oldsec,$cid).' '.$expire_role_result.$linefeed;
8741: }
1.626 raeburn 8742: if ($expire_role_result eq 'refused') {
8743: my $newsecurl = '/'.$cid;
8744: $newsecurl =~ s/\_/\//g;
8745: if ($sec ne '') {
8746: $newsecurl.='/'.$sec;
8747: }
8748: if (&Apache::lonnet::allowed('cst',$newsecurl) && !(&Apache::lonnet::allowed('cst',$oldsecurl))) {
8749: if ($sec eq '') {
8750: $$logmsg .= &mt('Although your current role has privileges to add students to section "[_1]", you do not have privileges to modify existing enrollments unaffiliated with any section.',$sec).$linefeed;
8751: } else {
8752: $$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;
8753: }
8754: }
8755: }
1.443 albertel 8756: }
8757: } else {
1.626 raeburn 8758: $$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 8759: $result = "error: incomplete course id\n";
8760: }
8761: return $result;
8762: }
8763:
8764: ############################################################
8765: ############################################################
8766:
1.566 albertel 8767: sub check_clone {
1.578 raeburn 8768: my ($args,$linefeed) = @_;
1.566 albertel 8769: my $cloneid='/'.$args->{'clonedomain'}.'/'.$args->{'clonecourse'};
8770: my ($clonecrsudom,$clonecrsunum)= &LONCAPA::split_courseid($cloneid);
8771: my $clonehome=&Apache::lonnet::homeserver($clonecrsunum,$clonecrsudom);
8772: my $clonemsg;
8773: my $can_clone = 0;
8774:
8775: if ($clonehome eq 'no_host') {
1.578 raeburn 8776: $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 8777: } else {
8778: my %clonedesc = &Apache::lonnet::coursedescription($cloneid,{'one_time' => 1});
1.568 albertel 8779: if ($env{'request.role.domain'} eq $args->{'clonedomain'}) {
1.566 albertel 8780: $can_clone = 1;
8781: } else {
8782: my %clonehash = &Apache::lonnet::get('environment',['cloners'],
8783: $args->{'clonedomain'},$args->{'clonecourse'});
8784: my @cloners = split(/,/,$clonehash{'cloners'});
1.578 raeburn 8785: if (grep(/^\*$/,@cloners)) {
8786: $can_clone = 1;
8787: } elsif (grep(/^\*\:\Q$args->{'ccdomain'}\E$/,@cloners)) {
8788: $can_clone = 1;
8789: } else {
8790: my %roleshash =
8791: &Apache::lonnet::get_my_roles($args->{'ccuname'},
8792: $args->{'ccdomain'},
8793: 'userroles',['active'],['cc'],
8794: [$args->{'clonedomain'}]);
8795: if (($roleshash{$args->{'clonecourse'}.':'.$args->{'clonedomain'}.':cc'}) || (grep(/^\Q$args->{'ccuname'}\E:\Q$args->{'ccdomain'}\E$/,@cloners))) {
8796: $can_clone = 1;
8797: } else {
8798: $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'});
8799: }
1.566 albertel 8800: }
1.578 raeburn 8801: }
1.566 albertel 8802: }
8803: return ($can_clone, $clonemsg, $cloneid, $clonehome);
8804: }
8805:
1.444 albertel 8806: sub construct_course {
1.541 raeburn 8807: my ($args,$logmsg,$courseid,$crsudom,$crsunum,$udom,$uname,$context) = @_;
1.444 albertel 8808: my $outcome;
1.541 raeburn 8809: my $linefeed = '<br />'."\n";
8810: if ($context eq 'auto') {
8811: $linefeed = "\n";
8812: }
1.566 albertel 8813:
8814: #
8815: # Are we cloning?
8816: #
8817: my ($can_clone, $clonemsg, $cloneid, $clonehome);
8818: if (($args->{'clonecourse'}) && ($args->{'clonedomain'})) {
1.578 raeburn 8819: ($can_clone, $clonemsg, $cloneid, $clonehome) = &check_clone($args,$linefeed);
1.566 albertel 8820: if ($context ne 'auto') {
1.578 raeburn 8821: if ($clonemsg ne '') {
8822: $clonemsg = '<span class="LC_error">'.$clonemsg.'</span>';
8823: }
1.566 albertel 8824: }
8825: $outcome .= $clonemsg.$linefeed;
8826:
8827: if (!$can_clone) {
8828: return (0,$outcome);
8829: }
8830: }
8831:
1.444 albertel 8832: #
8833: # Open course
8834: #
8835: my $crstype = lc($args->{'crstype'});
8836: my %cenv=();
8837: $$courseid=&Apache::lonnet::createcourse($args->{'course_domain'},
8838: $args->{'cdescr'},
8839: $args->{'curl'},
8840: $args->{'course_home'},
8841: $args->{'nonstandard'},
8842: $args->{'crscode'},
8843: $args->{'ccuname'}.':'.
8844: $args->{'ccdomain'},
8845: $args->{'crstype'});
8846:
8847: # Note: The testing routines depend on this being output; see
8848: # Utils::Course. This needs to at least be output as a comment
8849: # if anyone ever decides to not show this, and Utils::Course::new
8850: # will need to be suitably modified.
1.541 raeburn 8851: $outcome .= &mt('New LON-CAPA [_1] ID: [_2]',$crstype,$$courseid).$linefeed;
1.444 albertel 8852: #
8853: # Check if created correctly
8854: #
1.479 albertel 8855: ($$crsudom,$$crsunum)= &LONCAPA::split_courseid($$courseid);
1.444 albertel 8856: my $crsuhome=&Apache::lonnet::homeserver($$crsunum,$$crsudom);
1.541 raeburn 8857: $outcome .= &mt('Created on').': '.$crsuhome.$linefeed;
1.566 albertel 8858:
1.444 albertel 8859: #
1.566 albertel 8860: # Do the cloning
8861: #
8862: if ($can_clone && $cloneid) {
8863: $clonemsg = &mt('Cloning [_1] from [_2]',$crstype,$clonehome);
8864: if ($context ne 'auto') {
8865: $clonemsg = '<span class="LC_success">'.$clonemsg.'</span>';
8866: }
8867: $outcome .= $clonemsg.$linefeed;
8868: my %oldcenv=&Apache::lonnet::dump('environment',$$crsudom,$$crsunum);
1.444 albertel 8869: # Copy all files
1.637 www 8870: &Apache::lonclonecourse::copycoursefiles($cloneid,$$courseid,$args->{'datemode'},$args->{'dateshift'});
1.444 albertel 8871: # Restore URL
1.566 albertel 8872: $cenv{'url'}=$oldcenv{'url'};
1.444 albertel 8873: # Restore title
1.566 albertel 8874: $cenv{'description'}=$oldcenv{'description'};
1.444 albertel 8875: # Mark as cloned
1.566 albertel 8876: $cenv{'clonedfrom'}=$cloneid;
1.638 www 8877: # Need to clone grading mode
8878: my %newenv=&Apache::lonnet::get('environment',['grading'],$$crsudom,$$crsunum);
8879: $cenv{'grading'}=$newenv{'grading'};
8880: # Do not clone these environment entries
8881: &Apache::lonnet::del('environment',
8882: ['default_enrollment_start_date',
8883: 'default_enrollment_end_date',
8884: 'question.email',
8885: 'policy.email',
8886: 'comment.email',
8887: 'pch.users.denied',
8888: 'plc.users.denied'],
8889: $$crsudom,$$crsunum);
1.444 albertel 8890: }
1.566 albertel 8891:
1.444 albertel 8892: #
8893: # Set environment (will override cloned, if existing)
8894: #
8895: my @sections = ();
8896: my @xlists = ();
8897: if ($args->{'crstype'}) {
8898: $cenv{'type'}=$args->{'crstype'};
8899: }
8900: if ($args->{'crsid'}) {
8901: $cenv{'courseid'}=$args->{'crsid'};
8902: }
8903: if ($args->{'crscode'}) {
8904: $cenv{'internal.coursecode'}=$args->{'crscode'};
8905: }
8906: if ($args->{'crsquota'} ne '') {
8907: $cenv{'internal.coursequota'}=$args->{'crsquota'};
8908: } else {
8909: $cenv{'internal.coursequota'}=$args->{'crsquota'} = 20;
8910: }
8911: if ($args->{'ccuname'}) {
8912: $cenv{'internal.courseowner'} = $args->{'ccuname'}.
8913: ':'.$args->{'ccdomain'};
8914: } else {
8915: $cenv{'internal.courseowner'} = $args->{'curruser'};
8916: }
8917: my @badclasses = (); # Used to accumulate sections/crosslistings that did not pass classlist access check for course owner.
8918: if ($args->{'crssections'}) {
8919: $cenv{'internal.sectionnums'} = '';
8920: if ($args->{'crssections'} =~ m/,/) {
8921: @sections = split/,/,$args->{'crssections'};
8922: } else {
8923: $sections[0] = $args->{'crssections'};
8924: }
8925: if (@sections > 0) {
8926: foreach my $item (@sections) {
8927: my ($sec,$gp) = split/:/,$item;
8928: my $class = $args->{'crscode'}.$sec;
8929: my $addcheck = &Apache::lonnet::auto_new_course($$crsunum,$$crsudom,$class,$cenv{'internal.courseowner'});
8930: $cenv{'internal.sectionnums'} .= $item.',';
8931: unless ($addcheck eq 'ok') {
8932: push @badclasses, $class;
8933: }
8934: }
8935: $cenv{'internal.sectionnums'} =~ s/,$//;
8936: }
8937: }
8938: # do not hide course coordinator from staff listing,
8939: # even if privileged
8940: $cenv{'nothideprivileged'}=$args->{'ccuname'}.':'.$args->{'ccdomain'};
8941: # add crosslistings
8942: if ($args->{'crsxlist'}) {
8943: $cenv{'internal.crosslistings'}='';
8944: if ($args->{'crsxlist'} =~ m/,/) {
8945: @xlists = split/,/,$args->{'crsxlist'};
8946: } else {
8947: $xlists[0] = $args->{'crsxlist'};
8948: }
8949: if (@xlists > 0) {
8950: foreach my $item (@xlists) {
8951: my ($xl,$gp) = split/:/,$item;
8952: my $addcheck = &Apache::lonnet::auto_new_course($$crsunum,$$crsudom,$xl,$cenv{'internal.courseowner'});
8953: $cenv{'internal.crosslistings'} .= $item.',';
8954: unless ($addcheck eq 'ok') {
8955: push @badclasses, $xl;
8956: }
8957: }
8958: $cenv{'internal.crosslistings'} =~ s/,$//;
8959: }
8960: }
8961: if ($args->{'autoadds'}) {
8962: $cenv{'internal.autoadds'}=$args->{'autoadds'};
8963: }
8964: if ($args->{'autodrops'}) {
8965: $cenv{'internal.autodrops'}=$args->{'autodrops'};
8966: }
8967: # check for notification of enrollment changes
8968: my @notified = ();
8969: if ($args->{'notify_owner'}) {
8970: if ($args->{'ccuname'} ne '') {
8971: push(@notified,$args->{'ccuname'}.':'.$args->{'ccdomain'});
8972: }
8973: }
8974: if ($args->{'notify_dc'}) {
8975: if ($uname ne '') {
1.630 raeburn 8976: push(@notified,$uname.':'.$udom);
1.444 albertel 8977: }
8978: }
8979: if (@notified > 0) {
8980: my $notifylist;
8981: if (@notified > 1) {
8982: $notifylist = join(',',@notified);
8983: } else {
8984: $notifylist = $notified[0];
8985: }
8986: $cenv{'internal.notifylist'} = $notifylist;
8987: }
8988: if (@badclasses > 0) {
8989: my %lt=&Apache::lonlocal::texthash(
8990: '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',
8991: 'dnhr' => 'does not have rights to access enrollment in these classes',
8992: 'adby' => 'as determined by the policies of your institution on access to official classlists'
8993: );
1.541 raeburn 8994: my $badclass_msg = $cenv{'internal.courseowner'}.') - '.$lt{'dnhr'}.
8995: ' ('.$lt{'adby'}.')';
8996: if ($context eq 'auto') {
8997: $outcome .= $badclass_msg.$linefeed;
1.566 albertel 8998: $outcome .= '<div class="LC_warning">'.$badclass_msg.$linefeed.'<ul>'."\n";
1.541 raeburn 8999: foreach my $item (@badclasses) {
9000: if ($context eq 'auto') {
9001: $outcome .= " - $item\n";
9002: } else {
9003: $outcome .= "<li>$item</li>\n";
9004: }
9005: }
9006: if ($context eq 'auto') {
9007: $outcome .= $linefeed;
9008: } else {
1.566 albertel 9009: $outcome .= "</ul><br /><br /></div>\n";
1.541 raeburn 9010: }
9011: }
1.444 albertel 9012: }
9013: if ($args->{'no_end_date'}) {
9014: $args->{'endaccess'} = 0;
9015: }
9016: $cenv{'internal.autostart'}=$args->{'enrollstart'};
9017: $cenv{'internal.autoend'}=$args->{'enrollend'};
9018: $cenv{'default_enrollment_start_date'}=$args->{'startaccess'};
9019: $cenv{'default_enrollment_end_date'}=$args->{'endaccess'};
9020: if ($args->{'showphotos'}) {
9021: $cenv{'internal.showphotos'}=$args->{'showphotos'};
9022: }
9023: $cenv{'internal.authtype'} = $args->{'authtype'};
9024: $cenv{'internal.autharg'} = $args->{'autharg'};
9025: if ( ($cenv{'internal.authtype'} =~ /^krb/) && ($cenv{'internal.autoadds'} == 1)) {
9026: if (! defined($cenv{'internal.autharg'}) || $cenv{'internal.autharg'} eq '') {
1.541 raeburn 9027: 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');
9028: if ($context eq 'auto') {
9029: $outcome .= $krb_msg;
9030: } else {
1.566 albertel 9031: $outcome .= '<span class="LC_error">'.$krb_msg.'</span>';
1.541 raeburn 9032: }
9033: $outcome .= $linefeed;
1.444 albertel 9034: }
9035: }
9036: if (($args->{'ccdomain'}) && ($args->{'ccuname'})) {
9037: if ($args->{'setpolicy'}) {
9038: $cenv{'policy.email'}=$args->{'ccuname'}.':'.$args->{'ccdomain'};
9039: }
9040: if ($args->{'setcontent'}) {
9041: $cenv{'question.email'}=$args->{'ccuname'}.':'.$args->{'ccdomain'};
9042: }
9043: }
9044: if ($args->{'reshome'}) {
9045: $cenv{'reshome'}=$args->{'reshome'}.'/';
9046: $cenv{'reshome'}=~s/\/+$/\//;
9047: }
9048: #
9049: # course has keyed access
9050: #
9051: if ($args->{'setkeys'}) {
9052: $cenv{'keyaccess'}='yes';
9053: }
9054: # if specified, key authority is not course, but user
9055: # only active if keyaccess is yes
9056: if ($args->{'keyauth'}) {
1.487 albertel 9057: my ($user,$domain) = split(':',$args->{'keyauth'});
9058: $user = &LONCAPA::clean_username($user);
9059: $domain = &LONCAPA::clean_username($domain);
1.488 foxr 9060: if ($user ne '' && $domain ne '') {
1.487 albertel 9061: $cenv{'keyauth'}=$user.':'.$domain;
1.444 albertel 9062: }
9063: }
9064:
9065: if ($args->{'disresdis'}) {
9066: $cenv{'pch.roles.denied'}='st';
9067: }
9068: if ($args->{'disablechat'}) {
9069: $cenv{'plc.roles.denied'}='st';
9070: }
9071:
9072: # Record we've not yet viewed the Course Initialization Helper for this
9073: # course
9074: $cenv{'course.helper.not.run'} = 1;
9075: #
9076: # Use new Randomseed
9077: #
9078: $cenv{'rndseed'}=&Apache::lonnet::latest_rnd_algorithm_id();;
9079: $cenv{'receiptalg'}=&Apache::lonnet::latest_receipt_algorithm_id();;
9080: #
9081: # The encryption code and receipt prefix for this course
9082: #
9083: $cenv{'internal.encseed'}=$Apache::lonnet::perlvar{'lonReceipt'}.$$.time.int(rand(9999));
9084: $cenv{'internal.encpref'}=100+int(9*rand(99));
9085: #
9086: # By default, use standard grading
9087: if (!defined($cenv{'grading'})) { $cenv{'grading'} = 'standard'; }
9088:
1.541 raeburn 9089: $outcome .= $linefeed.&mt('Setting environment').': '.
9090: &Apache::lonnet::put('environment',\%cenv,$$crsudom,$$crsunum).$linefeed;
1.444 albertel 9091: #
9092: # Open all assignments
9093: #
9094: if ($args->{'openall'}) {
9095: my $storeunder=$$crsudom.'_'.$$crsunum.'.0.opendate';
9096: my %storecontent = ($storeunder => time,
9097: $storeunder.'.type' => 'date_start');
9098:
9099: $outcome .= &mt('Opening all assignments').': '.&Apache::lonnet::cput
1.541 raeburn 9100: ('resourcedata',\%storecontent,$$crsudom,$$crsunum).$linefeed;
1.444 albertel 9101: }
9102: #
9103: # Set first page
9104: #
9105: unless (($args->{'nonstandard'}) || ($args->{'firstres'} eq 'blank')
9106: || ($cloneid)) {
1.445 albertel 9107: use LONCAPA::map;
1.444 albertel 9108: $outcome .= &mt('Setting first resource').': ';
1.445 albertel 9109:
9110: my $map = '/uploaded/'.$$crsudom.'/'.$$crsunum.'/default.sequence';
9111: my ($errtext,$fatal)=&LONCAPA::map::mapread($map);
9112:
1.444 albertel 9113: $outcome .= ($fatal?$errtext:'read ok').' - ';
9114: my $title; my $url;
9115: if ($args->{'firstres'} eq 'syl') {
9116: $title='Syllabus';
9117: $url='/public/'.$$crsudom.'/'.$$crsunum.'/syllabus';
9118: } else {
9119: $title='Navigate Contents';
9120: $url='/adm/navmaps';
9121: }
1.445 albertel 9122:
9123: $LONCAPA::map::resources[1]=$title.':'.$url.':false:start:res';
9124: (my $outtext,$errtext) = &LONCAPA::map::storemap($map,1);
9125:
9126: if ($errtext) { $fatal=2; }
1.541 raeburn 9127: $outcome .= ($fatal?$errtext:'write ok').$linefeed;
1.444 albertel 9128: }
1.566 albertel 9129:
9130: return (1,$outcome);
1.444 albertel 9131: }
9132:
9133: ############################################################
9134: ############################################################
9135:
1.378 raeburn 9136: sub course_type {
9137: my ($cid) = @_;
9138: if (!defined($cid)) {
9139: $cid = $env{'request.course.id'};
9140: }
1.404 albertel 9141: if (defined($env{'course.'.$cid.'.type'})) {
9142: return $env{'course.'.$cid.'.type'};
1.378 raeburn 9143: } else {
9144: return 'Course';
1.377 raeburn 9145: }
9146: }
1.156 albertel 9147:
1.406 raeburn 9148: sub group_term {
9149: my $crstype = &course_type();
9150: my %names = (
9151: 'Course' => 'group',
9152: 'Group' => 'team',
9153: );
9154: return $names{$crstype};
9155: }
9156:
1.156 albertel 9157: sub icon {
9158: my ($file)=@_;
1.505 albertel 9159: my $curfext = lc((split(/\./,$file))[-1]);
1.168 albertel 9160: my $iconname=$Apache::lonnet::perlvar{'lonIconsURL'}.'/unknown.gif';
1.156 albertel 9161: my $embstyle = &Apache::loncommon::fileembstyle($curfext);
1.168 albertel 9162: if (!(!defined($embstyle) || $embstyle eq 'unk' || $embstyle eq 'hdn')) {
9163: if (-e $Apache::lonnet::perlvar{'lonDocRoot'}.'/'.
9164: $Apache::lonnet::perlvar{'lonIconsURL'}.'/'.
9165: $curfext.".gif") {
9166: $iconname=$Apache::lonnet::perlvar{'lonIconsURL'}.'/'.
9167: $curfext.".gif";
9168: }
9169: }
1.249 albertel 9170: return &lonhttpdurl($iconname);
1.154 albertel 9171: }
1.84 albertel 9172:
1.575 albertel 9173: sub lonhttpd_port {
1.215 albertel 9174: my $lonhttpd_port=$Apache::lonnet::perlvar{'lonhttpdPort'};
9175: if (!defined($lonhttpd_port)) { $lonhttpd_port='8080'; }
1.574 albertel 9176: # IE doesn't like a secure page getting images from a non-secure
9177: # port (when logging we haven't parsed the browser type so default
9178: # back to secure
9179: if ((!exists($env{'browser.type'}) || $env{'browser.type'} eq 'explorer')
9180: && $ENV{'SERVER_PORT'} == 443) {
1.575 albertel 9181: return 443;
9182: }
9183: return $lonhttpd_port;
9184:
9185: }
9186:
9187: sub lonhttpdurl {
9188: my ($url)=@_;
9189:
9190: my $lonhttpd_port = &lonhttpd_port();
9191: if ($lonhttpd_port == 443) {
1.574 albertel 9192: return 'https://'.$ENV{'SERVER_NAME'}.$url;
9193: }
1.215 albertel 9194: return 'http://'.$ENV{'SERVER_NAME'}.':'.$lonhttpd_port.$url;
9195: }
9196:
1.213 albertel 9197: sub connection_aborted {
9198: my ($r)=@_;
9199: $r->print(" ");$r->rflush();
9200: my $c = $r->connection;
9201: return $c->aborted();
9202: }
9203:
1.221 foxr 9204: # Escapes strings that may have embedded 's that will be put into
1.222 foxr 9205: # strings as 'strings'.
9206: sub escape_single {
1.221 foxr 9207: my ($input) = @_;
1.223 albertel 9208: $input =~ s/\\/\\\\/g; # Escape the \'s..(must be first)>
1.221 foxr 9209: $input =~ s/\'/\\\'/g; # Esacpe the 's....
9210: return $input;
9211: }
1.223 albertel 9212:
1.222 foxr 9213: # Same as escape_single, but escape's "'s This
9214: # can be used for "strings"
9215: sub escape_double {
9216: my ($input) = @_;
9217: $input =~ s/\\/\\\\/g; # Escape the /'s..(must be first)>
9218: $input =~ s/\"/\\\"/g; # Esacpe the "s....
9219: return $input;
9220: }
1.223 albertel 9221:
1.222 foxr 9222: # Escapes the last element of a full URL.
9223: sub escape_url {
9224: my ($url) = @_;
1.238 raeburn 9225: my @urlslices = split(/\//, $url,-1);
1.369 www 9226: my $lastitem = &escape(pop(@urlslices));
1.223 albertel 9227: return join('/',@urlslices).'/'.$lastitem;
1.222 foxr 9228: }
1.462 albertel 9229:
9230: # -------------------------------------------------------- Initliaze user login
9231: sub init_user_environment {
1.463 albertel 9232: my ($r, $username, $domain, $authhost, $form, $args) = @_;
1.462 albertel 9233: my $lonids=$Apache::lonnet::perlvar{'lonIDsDir'};
9234:
9235: my $public=($username eq 'public' && $domain eq 'public');
9236:
9237: # See if old ID present, if so, remove
9238:
9239: my ($filename,$cookie,$userroles);
9240: my $now=time;
9241:
9242: if ($public) {
9243: my $max_public=100;
9244: my $oldest;
9245: my $oldest_time=0;
9246: for(my $next=1;$next<=$max_public;$next++) {
9247: if (-e $lonids."/publicuser_$next.id") {
9248: my $mtime=(stat($lonids."/publicuser_$next.id"))[9];
9249: if ($mtime<$oldest_time || !$oldest_time) {
9250: $oldest_time=$mtime;
9251: $oldest=$next;
9252: }
9253: } else {
9254: $cookie="publicuser_$next";
9255: last;
9256: }
9257: }
9258: if (!$cookie) { $cookie="publicuser_$oldest"; }
9259: } else {
1.463 albertel 9260: # if this isn't a robot, kill any existing non-robot sessions
9261: if (!$args->{'robot'}) {
9262: opendir(DIR,$lonids);
9263: while ($filename=readdir(DIR)) {
9264: if ($filename=~/^$username\_\d+\_$domain\_$authhost\.id$/) {
9265: unlink($lonids.'/'.$filename);
9266: }
1.462 albertel 9267: }
1.463 albertel 9268: closedir(DIR);
1.462 albertel 9269: }
9270: # Give them a new cookie
1.463 albertel 9271: my $id = ($args->{'robot'} ? 'robot'.$args->{'robot'}
9272: : $now);
9273: $cookie="$username\_$id\_$domain\_$authhost";
1.462 albertel 9274:
9275: # Initialize roles
9276:
9277: $userroles=&Apache::lonnet::rolesinit($domain,$username,$authhost);
9278: }
9279: # ------------------------------------ Check browser type and MathML capability
9280:
9281: my ($httpbrowser,$clientbrowser,$clientversion,$clientmathml,
9282: $clientunicode,$clientos) = &decode_user_agent($r);
9283:
9284: # -------------------------------------- Any accessibility options to remember?
9285: if (($form->{'interface'}) && ($form->{'remember'} eq 'true')) {
9286: foreach my $option ('imagesuppress','appletsuppress',
9287: 'embedsuppress','fontenhance','blackwhite') {
9288: if ($form->{$option} eq 'true') {
9289: &Apache::lonnet::put('environment',{$option => 'on'},
9290: $domain,$username);
9291: } else {
9292: &Apache::lonnet::del('environment',[$option],
9293: $domain,$username);
9294: }
9295: }
9296: }
9297: # ------------------------------------------------------------- Get environment
9298:
9299: my %userenv = &Apache::lonnet::dump('environment',$domain,$username);
9300: my ($tmp) = keys(%userenv);
9301: if ($tmp !~ /^(con_lost|error|no_such_host)/i) {
9302: # default remote control to off
9303: if ($userenv{'remote'} ne 'on') { $userenv{'remote'} = 'off'; }
9304: } else {
9305: undef(%userenv);
9306: }
9307: if (($userenv{'interface'}) && (!$form->{'interface'})) {
9308: $form->{'interface'}=$userenv{'interface'};
9309: }
9310: $env{'environment.remote'}=$userenv{'remote'};
9311: if ($userenv{'texengine'} eq 'ttm') { $clientmathml=1; }
9312:
9313: # --------------- Do not trust query string to be put directly into environment
9314: foreach my $option ('imagesuppress','appletsuppress',
9315: 'embedsuppress','fontenhance','blackwhite',
9316: 'interface','localpath','localres') {
9317: $form->{$option}=~s/[\n\r\=]//gs;
9318: }
9319: # --------------------------------------------------------- Write first profile
9320:
9321: {
9322: my %initial_env =
9323: ("user.name" => $username,
9324: "user.domain" => $domain,
9325: "user.home" => $authhost,
9326: "browser.type" => $clientbrowser,
9327: "browser.version" => $clientversion,
9328: "browser.mathml" => $clientmathml,
9329: "browser.unicode" => $clientunicode,
9330: "browser.os" => $clientos,
9331: "server.domain" => $Apache::lonnet::perlvar{'lonDefDomain'},
9332: "request.course.fn" => '',
9333: "request.course.uri" => '',
9334: "request.course.sec" => '',
9335: "request.role" => 'cm',
9336: "request.role.adv" => $env{'user.adv'},
9337: "request.host" => $ENV{'REMOTE_ADDR'},);
9338:
9339: if ($form->{'localpath'}) {
9340: $initial_env{"browser.localpath"} = $form->{'localpath'};
9341: $initial_env{"browser.localres"} = $form->{'localres'};
9342: }
9343:
9344: if ($public) {
9345: $initial_env{"environment.remote"} = "off";
9346: }
9347: if ($form->{'interface'}) {
9348: $form->{'interface'}=~s/\W//gs;
9349: $initial_env{"browser.interface"} = $form->{'interface'};
9350: $env{'browser.interface'}=$form->{'interface'};
9351: foreach my $option ('imagesuppress','appletsuppress',
9352: 'embedsuppress','fontenhance','blackwhite') {
9353: if (($form->{$option} eq 'true') ||
9354: ($userenv{$option} eq 'on')) {
9355: $initial_env{"browser.$option"} = "on";
9356: }
9357: }
9358: }
9359:
9360: $env{'user.environment'} = "$lonids/$cookie.id";
9361:
9362: if (tie(my %disk_env,'GDBM_File',"$lonids/$cookie.id",
9363: &GDBM_WRCREAT(),0640)) {
9364: &_add_to_env(\%disk_env,\%initial_env);
9365: &_add_to_env(\%disk_env,\%userenv,'environment.');
9366: &_add_to_env(\%disk_env,$userroles);
1.463 albertel 9367: if (ref($args->{'extra_env'})) {
9368: &_add_to_env(\%disk_env,$args->{'extra_env'});
9369: }
1.462 albertel 9370: untie(%disk_env);
9371: } else {
9372: &Apache::lonnet::logthis("<font color=\"blue\">WARNING: ".
9373: 'Could not create environment storage in lonauth: '.$!.'</font>');
9374: return 'error: '.$!;
9375: }
9376: }
9377: $env{'request.role'}='cm';
9378: $env{'request.role.adv'}=$env{'user.adv'};
9379: $env{'browser.type'}=$clientbrowser;
9380:
9381: return $cookie;
9382:
9383: }
9384:
9385: sub _add_to_env {
9386: my ($idf,$env_data,$prefix) = @_;
1.676 raeburn 9387: if (ref($env_data) eq 'HASH') {
9388: while (my ($key,$value) = each(%$env_data)) {
9389: $idf->{$prefix.$key} = $value;
9390: $env{$prefix.$key} = $value;
9391: }
1.462 albertel 9392: }
9393: }
9394:
9395:
1.41 ng 9396: =pod
9397:
9398: =back
9399:
1.112 bowersj2 9400: =cut
1.41 ng 9401:
1.112 bowersj2 9402: 1;
9403: __END__;
1.41 ng 9404:
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