Annotation of loncom/interface/loncommon.pm, revision 1.567
1.10 albertel 1: # The LearningOnline Network with CAPA
1.1 albertel 2: # a pile of common routines
1.10 albertel 3: #
1.567 ! albertel 4: # $Id: loncommon.pm,v 1.566 2007/08/23 21:54:40 albertel 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);
1.117 www 70:
1.517 raeburn 71: # ---------------------------------------------- Designs
72: use vars qw(%defaultdesign);
73:
1.22 www 74: my $readit;
75:
1.517 raeburn 76:
1.157 matthew 77: ##
78: ## Global Variables
79: ##
1.46 matthew 80:
1.20 www 81: # ----------------------------------------------- Filetypes/Languages/Copyright
1.12 harris41 82: my %language;
1.124 www 83: my %supported_language;
1.12 harris41 84: my %cprtag;
1.192 taceyjo1 85: my %scprtag;
1.351 www 86: my %fe; my %fd; my %fm;
1.41 ng 87: my %category_extensions;
1.12 harris41 88:
1.46 matthew 89: # ---------------------------------------------- Thesaurus variables
1.144 matthew 90: #
91: # %Keywords:
92: # A hash used by &keyword to determine if a word is considered a keyword.
93: # $thesaurus_db_file
94: # Scalar containing the full path to the thesaurus database.
1.46 matthew 95:
96: my %Keywords;
97: my $thesaurus_db_file;
98:
1.144 matthew 99: #
100: # Initialize values from language.tab, copyright.tab, filetypes.tab,
101: # thesaurus.tab, and filecategories.tab.
102: #
1.18 www 103: BEGIN {
1.46 matthew 104: # Variable initialization
105: $thesaurus_db_file = $Apache::lonnet::perlvar{'lonTabDir'}."/thesaurus.db";
106: #
1.22 www 107: unless ($readit) {
1.12 harris41 108: # ------------------------------------------------------------------- languages
109: {
1.158 raeburn 110: my $langtabfile = $Apache::lonnet::perlvar{'lonTabDir'}.
111: '/language.tab';
112: if ( open(my $fh,"<$langtabfile") ) {
1.356 albertel 113: while (my $line = <$fh>) {
114: next if ($line=~/^\#/);
115: chomp($line);
116: my ($key,$two,$country,$three,$enc,$val,$sup)=(split(/\t/,$line));
1.158 raeburn 117: $language{$key}=$val.' - '.$enc;
118: if ($sup) {
119: $supported_language{$key}=$sup;
120: }
121: }
122: close($fh);
123: }
1.12 harris41 124: }
125: # ------------------------------------------------------------------ copyrights
126: {
1.158 raeburn 127: my $copyrightfile = $Apache::lonnet::perlvar{'lonIncludes'}.
128: '/copyright.tab';
129: if ( open (my $fh,"<$copyrightfile") ) {
1.356 albertel 130: while (my $line = <$fh>) {
131: next if ($line=~/^\#/);
132: chomp($line);
133: my ($key,$val)=(split(/\s+/,$line,2));
1.158 raeburn 134: $cprtag{$key}=$val;
135: }
136: close($fh);
137: }
1.12 harris41 138: }
1.351 www 139: # ----------------------------------------------------------- source copyrights
1.192 taceyjo1 140: {
141: my $sourcecopyrightfile = $Apache::lonnet::perlvar{'lonIncludes'}.
142: '/source_copyright.tab';
143: if ( open (my $fh,"<$sourcecopyrightfile") ) {
1.356 albertel 144: while (my $line = <$fh>) {
145: next if ($line =~ /^\#/);
146: chomp($line);
147: my ($key,$val)=(split(/\s+/,$line,2));
1.192 taceyjo1 148: $scprtag{$key}=$val;
149: }
150: close($fh);
151: }
152: }
1.63 www 153:
1.517 raeburn 154: # -------------------------------------------------------------- default domain designs
1.63 www 155: my $designdir=$Apache::lonnet::perlvar{'lonTabDir'}.'/lonDomColors';
1.517 raeburn 156: my $designfile = $designdir.'/default.tab';
157: if ( open (my $fh,"<$designfile") ) {
158: while (my $line = <$fh>) {
159: next if ($line =~ /^\#/);
160: chomp($line);
161: my ($key,$val)=(split(/\=/,$line));
162: if ($val) { $defaultdesign{$key}=$val; }
163: }
164: close($fh);
1.63 www 165: }
166:
1.15 harris41 167: # ------------------------------------------------------------- file categories
168: {
1.158 raeburn 169: my $categoryfile = $Apache::lonnet::perlvar{'lonTabDir'}.
170: '/filecategories.tab';
171: if ( open (my $fh,"<$categoryfile") ) {
1.356 albertel 172: while (my $line = <$fh>) {
173: next if ($line =~ /^\#/);
174: chomp($line);
175: my ($extension,$category)=(split(/\s+/,$line,2));
1.158 raeburn 176: push @{$category_extensions{lc($category)}},$extension;
177: }
178: close($fh);
179: }
180:
1.15 harris41 181: }
1.12 harris41 182: # ------------------------------------------------------------------ file types
183: {
1.158 raeburn 184: my $typesfile = $Apache::lonnet::perlvar{'lonTabDir'}.
185: '/filetypes.tab';
186: if ( open (my $fh,"<$typesfile") ) {
1.356 albertel 187: while (my $line = <$fh>) {
188: next if ($line =~ /^\#/);
189: chomp($line);
190: my ($ending,$emb,$mime,$descr)=split(/\s+/,$line,4);
1.158 raeburn 191: if ($descr ne '') {
192: $fe{$ending}=lc($emb);
193: $fd{$ending}=$descr;
1.351 www 194: if ($mime ne 'unk') { $fm{$ending}=$mime; }
1.158 raeburn 195: }
196: }
197: close($fh);
198: }
1.12 harris41 199: }
1.22 www 200: &Apache::lonnet::logthis(
1.46 matthew 201: "<font color=yellow>INFO: Read file types</font>");
1.22 www 202: $readit=1;
1.46 matthew 203: } # end of unless($readit)
1.32 matthew 204:
205: }
1.112 bowersj2 206:
1.42 matthew 207: ###############################################################
208: ## HTML and Javascript Helper Functions ##
209: ###############################################################
210:
211: =pod
212:
1.112 bowersj2 213: =head1 HTML and Javascript Functions
1.42 matthew 214:
1.112 bowersj2 215: =over 4
216:
217: =item * browser_and_searcher_javascript ()
218:
219: X<browsing, javascript>X<searching, javascript>Returns a string
220: containing javascript with two functions, C<openbrowser> and
221: C<opensearcher>. Returned string does not contain E<lt>scriptE<gt>
222: tags.
1.42 matthew 223:
1.112 bowersj2 224: =item * openbrowser(formname,elementname,only,omit) [javascript]
1.42 matthew 225:
226: inputs: formname, elementname, only, omit
227:
228: formname and elementname indicate the name of the html form and name of
229: the element that the results of the browsing selection are to be placed in.
230:
231: Specifying 'only' will restrict the browser to displaying only files
1.185 www 232: with the given extension. Can be a comma separated list.
1.42 matthew 233:
234: Specifying 'omit' will restrict the browser to NOT displaying files
1.185 www 235: with the given extension. Can be a comma separated list.
1.42 matthew 236:
1.112 bowersj2 237: =item * opensearcher(formname, elementname) [javascript]
1.42 matthew 238:
239: Inputs: formname, elementname
240:
241: formname and elementname specify the name of the html form and the name
242: of the element the selection from the search results will be placed in.
1.542 raeburn 243:
1.42 matthew 244: =cut
245:
246: sub browser_and_searcher_javascript {
1.199 albertel 247: my ($mode)=@_;
248: if (!defined($mode)) { $mode='edit'; }
1.453 albertel 249: my $resurl=&escape_single(&lastresurl());
1.42 matthew 250: return <<END;
1.219 albertel 251: // <!-- BEGIN LON-CAPA Internal
1.50 matthew 252: var editbrowser = null;
1.135 albertel 253: function openbrowser(formname,elementname,only,omit,titleelement) {
1.170 www 254: var url = '$resurl/?';
1.42 matthew 255: if (editbrowser == null) {
256: url += 'launch=1&';
257: }
258: url += 'catalogmode=interactive&';
1.199 albertel 259: url += 'mode=$mode&';
1.42 matthew 260: url += 'form=' + formname + '&';
261: if (only != null) {
262: url += 'only=' + only + '&';
1.217 albertel 263: } else {
264: url += 'only=&';
265: }
1.42 matthew 266: if (omit != null) {
267: url += 'omit=' + omit + '&';
1.217 albertel 268: } else {
269: url += 'omit=&';
270: }
1.135 albertel 271: if (titleelement != null) {
272: url += 'titleelement=' + titleelement + '&';
1.217 albertel 273: } else {
274: url += 'titleelement=&';
275: }
1.42 matthew 276: url += 'element=' + elementname + '';
277: var title = 'Browser';
1.435 albertel 278: var options = 'scrollbars=1,resizable=1,menubar=0,toolbar=1,location=1';
1.42 matthew 279: options += ',width=700,height=600';
280: editbrowser = open(url,title,options,'1');
281: editbrowser.focus();
282: }
283: var editsearcher;
1.135 albertel 284: function opensearcher(formname,elementname,titleelement) {
1.42 matthew 285: var url = '/adm/searchcat?';
286: if (editsearcher == null) {
287: url += 'launch=1&';
288: }
289: url += 'catalogmode=interactive&';
1.199 albertel 290: url += 'mode=$mode&';
1.42 matthew 291: url += 'form=' + formname + '&';
1.135 albertel 292: if (titleelement != null) {
293: url += 'titleelement=' + titleelement + '&';
1.217 albertel 294: } else {
295: url += 'titleelement=&';
296: }
1.42 matthew 297: url += 'element=' + elementname + '';
298: var title = 'Search';
1.435 albertel 299: var options = 'scrollbars=1,resizable=1,menubar=0,toolbar=1,location=1';
1.42 matthew 300: options += ',width=700,height=600';
301: editsearcher = open(url,title,options,'1');
302: editsearcher.focus();
303: }
1.219 albertel 304: // END LON-CAPA Internal -->
1.42 matthew 305: END
1.170 www 306: }
307:
308: sub lastresurl {
1.258 albertel 309: if ($env{'environment.lastresurl'}) {
310: return $env{'environment.lastresurl'}
1.170 www 311: } else {
312: return '/res';
313: }
314: }
315:
316: sub storeresurl {
317: my $resurl=&Apache::lonnet::clutter(shift);
318: unless ($resurl=~/^\/res/) { return 0; }
319: $resurl=~s/\/$//;
320: &Apache::lonnet::put('environment',{'lastresurl' => $resurl});
321: &Apache::lonnet::appenv('environment.lastresurl' => $resurl);
322: return 1;
1.42 matthew 323: }
324:
1.74 www 325: sub studentbrowser_javascript {
1.111 www 326: unless (
1.258 albertel 327: (($env{'request.course.id'}) &&
1.302 albertel 328: (&Apache::lonnet::allowed('srm',$env{'request.course.id'})
329: || &Apache::lonnet::allowed('srm',$env{'request.course.id'}.
330: '/'.$env{'request.course.sec'})
331: ))
1.258 albertel 332: || ($env{'request.role'}=~/^(au|dc|su)/)
1.111 www 333: ) { return ''; }
1.74 www 334: return (<<'ENDSTDBRW');
335: <script type="text/javascript" language="Javascript" >
336: var stdeditbrowser;
1.558 albertel 337: function openstdbrowser(formname,uname,udom,roleflag,ignorefilter) {
1.74 www 338: var url = '/adm/pickstudent?';
339: var filter;
1.558 albertel 340: if (!ignorefilter) {
341: eval('filter=document.'+formname+'.'+uname+'.value;');
342: }
1.74 www 343: if (filter != null) {
344: if (filter != '') {
345: url += 'filter='+filter+'&';
346: }
347: }
348: url += 'form=' + formname + '&unameelement='+uname+
349: '&udomelement='+udom;
1.111 www 350: if (roleflag) { url+="&roles=1"; }
1.102 www 351: var title = 'Student_Browser';
1.74 www 352: var options = 'scrollbars=1,resizable=1,menubar=0';
353: options += ',width=700,height=600';
354: stdeditbrowser = open(url,title,options,'1');
355: stdeditbrowser.focus();
356: }
357: </script>
358: ENDSTDBRW
359: }
1.42 matthew 360:
1.74 www 361: sub selectstudent_link {
1.111 www 362: my ($form,$unameele,$udomele)=@_;
1.258 albertel 363: if ($env{'request.course.id'}) {
1.302 albertel 364: if (!&Apache::lonnet::allowed('srm',$env{'request.course.id'})
365: && !&Apache::lonnet::allowed('srm',$env{'request.course.id'}.
366: '/'.$env{'request.course.sec'})) {
1.111 www 367: return '';
368: }
369: return "<a href='".'javascript:openstdbrowser("'.$form.'","'.$unameele.
1.558 albertel 370: '","'.$udomele.'","","1");'."'>".&mt('Select User')."</a>";
1.74 www 371: }
1.258 albertel 372: if ($env{'request.role'}=~/^(au|dc|su)/) {
1.111 www 373: return "<a href='".'javascript:openstdbrowser("'.$form.'","'.$unameele.
1.119 www 374: '","'.$udomele.'",1);'."'>".&mt('Select User')."</a>";
1.111 www 375: }
376: return '';
1.91 www 377: }
378:
379: sub coursebrowser_javascript {
1.468 raeburn 380: my ($domainfilter,$sec_element,$formname)=@_;
1.377 raeburn 381: 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 382: my $output = '
1.538 albertel 383: <script type="text/javascript">
1.468 raeburn 384: var stdeditbrowser;'."\n";
385: $output .= <<"ENDSTDBRW";
1.377 raeburn 386: function opencrsbrowser(formname,uname,udom,desc,extra_element,multflag,crstype) {
1.91 www 387: var url = '/adm/pickcourse?';
1.468 raeburn 388: var domainfilter = '';
389: var formid = getFormIdByName(formname);
390: if (formid > -1) {
391: var domid = getIndexByName(formid,udom);
392: if (domid > -1) {
393: if (document.forms[formid].elements[domid].type == 'select-one') {
394: domainfilter=document.forms[formid].elements[domid].options[document.forms[formid].elements[domid].selectedIndex].value;
395: }
396: if (document.forms[formid].elements[domid].type == 'hidden') {
397: domainfilter=document.forms[formid].elements[domid].value;
398: }
399: }
1.91 www 400: }
1.128 albertel 401: if (domainfilter != null) {
402: if (domainfilter != '') {
403: url += 'domainfilter='+domainfilter+'&';
404: }
405: }
1.91 www 406: url += 'form=' + formname + '&cnumelement='+uname+
1.187 albertel 407: '&cdomelement='+udom+
408: '&cnameelement='+desc;
1.468 raeburn 409: if (extra_element !=null && extra_element != '') {
410: if (formname == 'rolechoice') {
411: url += '&roleelement='+extra_element;
412: if (domainfilter == null || domainfilter == '') {
413: url += '&domainfilter='+extra_element;
414: }
1.234 raeburn 415: }
1.468 raeburn 416: else {
417: if (formname == 'portform') {
418: url += '&setroles='+extra_element;
419: }
420: }
1.230 raeburn 421: }
1.293 raeburn 422: if (multflag !=null && multflag != '') {
423: url += '&multiple='+multflag;
424: }
1.377 raeburn 425: if (crstype == 'Course/Group') {
426: if (formname == 'cu') {
427: crstype = document.cu.crstype.options[document.cu.crstype.selectedIndex].value;
428: if (crstype == "") {
429: alert("$crs_or_grp_alert");
430: return;
431: }
432: }
433: }
434: if (crstype !=null && crstype != '') {
435: url += '&type='+crstype;
436: }
1.102 www 437: var title = 'Course_Browser';
1.91 www 438: var options = 'scrollbars=1,resizable=1,menubar=0';
439: options += ',width=700,height=600';
440: stdeditbrowser = open(url,title,options,'1');
441: stdeditbrowser.focus();
442: }
1.468 raeburn 443:
444: function getFormIdByName(formname) {
445: for (var i=0;i<document.forms.length;i++) {
446: if (document.forms[i].name == formname) {
447: return i;
448: }
449: }
450: return -1;
451: }
452:
453: function getIndexByName(formid,item) {
454: for (var i=0;i<document.forms[formid].elements.length;i++) {
455: if (document.forms[formid].elements[i].name == item) {
456: return i;
457: }
458: }
459: return -1;
460: }
1.91 www 461: ENDSTDBRW
1.468 raeburn 462: if ($sec_element ne '') {
463: $output .= &setsec_javascript($sec_element,$formname);
464: }
465: $output .= '
466: </script>';
467: return $output;
468: }
469:
470: sub setsec_javascript {
471: my ($sec_element,$formname) = @_;
472: my $setsections = qq|
473: function setSect(sectionlist) {
474: var sectionsArray = sectionlist.split(",");
475: var numSections = sectionsArray.length;
476: document.$formname.$sec_element.length = 0;
477: if (numSections == 0) {
478: document.$formname.$sec_element.multiple=false;
479: document.$formname.$sec_element.size=1;
480: document.$formname.$sec_element.options[0] = new Option('No existing sections','',false,false)
481: } else {
482: if (numSections == 1) {
483: document.$formname.$sec_element.multiple=false;
484: document.$formname.$sec_element.size=1;
485: document.$formname.$sec_element.options[0] = new Option('Select','',true,true);
486: document.$formname.$sec_element.options[1] = new Option('No section','',false,false)
487: document.$formname.$sec_element.options[2] = new Option(sectionsArray[0],sectionsArray[0],false,false);
488: } else {
489: for (var i=0; i<numSections; i++) {
490: document.$formname.$sec_element.options[i] = new Option(sectionsArray[i],sectionsArray[i],false,false)
491: }
492: document.$formname.$sec_element.multiple=true
493: if (numSections < 3) {
494: document.$formname.$sec_element.size=numSections;
495: } else {
496: document.$formname.$sec_element.size=3;
497: }
498: document.$formname.$sec_element.options[0].selected = false
499: }
500: }
1.91 www 501: }
1.468 raeburn 502: |;
503: return $setsections;
504: }
505:
1.91 www 506:
507: sub selectcourse_link {
1.377 raeburn 508: my ($form,$unameele,$udomele,$desc,$extra_element,$multflag,$selecttype)=@_;
1.492 albertel 509: return "<a href='".'javascript:opencrsbrowser("'.$form.'","'.$unameele.
510: '","'.$udomele.'","'.$desc.'","'.$extra_element.'","'.$multflag.'","'.$selecttype.'");'."'>".&mt('Select Course')."</a>";
1.74 www 511: }
1.42 matthew 512:
1.273 raeburn 513: sub check_uncheck_jscript {
514: my $jscript = <<"ENDSCRT";
515: function checkAll(field) {
516: if (field.length > 0) {
517: for (i = 0; i < field.length; i++) {
518: field[i].checked = true ;
519: }
520: } else {
521: field.checked = true
522: }
523: }
524:
525: function uncheckAll(field) {
526: if (field.length > 0) {
527: for (i = 0; i < field.length; i++) {
528: field[i].checked = false ;
1.543 albertel 529: }
530: } else {
1.273 raeburn 531: field.checked = false ;
532: }
533: }
534: ENDSCRT
535: return $jscript;
536: }
537:
538:
1.42 matthew 539: =pod
1.36 matthew 540:
1.112 bowersj2 541: =item * linked_select_forms(...)
1.36 matthew 542:
543: linked_select_forms returns a string containing a <script></script> block
544: and html for two <select> menus. The select menus will be linked in that
545: changing the value of the first menu will result in new values being placed
546: in the second menu. The values in the select menu will appear in alphabetical
547: order.
548:
549: linked_select_forms takes the following ordered inputs:
550:
551: =over 4
552:
1.112 bowersj2 553: =item * $formname, the name of the <form> tag
1.36 matthew 554:
1.112 bowersj2 555: =item * $middletext, the text which appears between the <select> tags
1.36 matthew 556:
1.112 bowersj2 557: =item * $firstdefault, the default value for the first menu
1.36 matthew 558:
1.112 bowersj2 559: =item * $firstselectname, the name of the first <select> tag
1.36 matthew 560:
1.112 bowersj2 561: =item * $secondselectname, the name of the second <select> tag
1.36 matthew 562:
1.112 bowersj2 563: =item * $hashref, a reference to a hash containing the data for the menus.
1.36 matthew 564:
1.41 ng 565: =back
566:
1.36 matthew 567: Below is an example of such a hash. Only the 'text', 'default', and
568: 'select2' keys must appear as stated. keys(%menu) are the possible
569: values for the first select menu. The text that coincides with the
1.41 ng 570: first menu value is given in $menu{$choice1}->{'text'}. The values
1.36 matthew 571: and text for the second menu are given in the hash pointed to by
572: $menu{$choice1}->{'select2'}.
573:
1.112 bowersj2 574: my %menu = ( A1 => { text =>"Choice A1" ,
575: default => "B3",
576: select2 => {
577: B1 => "Choice B1",
578: B2 => "Choice B2",
579: B3 => "Choice B3",
580: B4 => "Choice B4"
581: }
582: },
583: A2 => { text =>"Choice A2" ,
584: default => "C2",
585: select2 => {
586: C1 => "Choice C1",
587: C2 => "Choice C2",
588: C3 => "Choice C3"
589: }
590: },
591: A3 => { text =>"Choice A3" ,
592: default => "D6",
593: select2 => {
594: D1 => "Choice D1",
595: D2 => "Choice D2",
596: D3 => "Choice D3",
597: D4 => "Choice D4",
598: D5 => "Choice D5",
599: D6 => "Choice D6",
600: D7 => "Choice D7"
601: }
602: }
603: );
1.36 matthew 604:
605: =cut
606:
607: sub linked_select_forms {
608: my ($formname,
609: $middletext,
610: $firstdefault,
611: $firstselectname,
612: $secondselectname,
613: $hashref
614: ) = @_;
615: my $second = "document.$formname.$secondselectname";
616: my $first = "document.$formname.$firstselectname";
617: # output the javascript to do the changing
618: my $result = '';
1.219 albertel 619: $result.="<script type=\"text/javascript\">\n";
1.36 matthew 620: $result.="var select2data = new Object();\n";
621: $" = '","';
622: my $debug = '';
623: foreach my $s1 (sort(keys(%$hashref))) {
624: $result.="select2data.d_$s1 = new Object();\n";
625: $result.="select2data.d_$s1.def = new String('".
626: $hashref->{$s1}->{'default'}."');\n";
627: $result.="select2data.d_$s1.values = new Array(";
628: my @s2values = sort(keys( %{ $hashref->{$s1}->{'select2'} } ));
629: $result.="\"@s2values\");\n";
630: $result.="select2data.d_$s1.texts = new Array(";
631: my @s2texts;
632: foreach my $value (@s2values) {
633: push @s2texts, $hashref->{$s1}->{'select2'}->{$value};
634: }
635: $result.="\"@s2texts\");\n";
636: }
637: $"=' ';
638: $result.= <<"END";
639:
640: function select1_changed() {
641: // Determine new choice
642: var newvalue = "d_" + $first.value;
643: // update select2
644: var values = select2data[newvalue].values;
645: var texts = select2data[newvalue].texts;
646: var select2def = select2data[newvalue].def;
647: var i;
648: // out with the old
649: for (i = 0; i < $second.options.length; i++) {
650: $second.options[i] = null;
651: }
652: // in with the nuclear
653: for (i=0;i<values.length; i++) {
654: $second.options[i] = new Option(values[i]);
1.143 matthew 655: $second.options[i].value = values[i];
1.36 matthew 656: $second.options[i].text = texts[i];
657: if (values[i] == select2def) {
658: $second.options[i].selected = true;
659: }
660: }
661: }
662: </script>
663: END
664: # output the initial values for the selection lists
665: $result .= "<select size=\"1\" name=\"$firstselectname\" onchange=\"select1_changed()\">\n";
666: foreach my $value (sort(keys(%$hashref))) {
667: $result.=" <option value=\"$value\" ";
1.253 albertel 668: $result.=" selected=\"selected\" " if ($value eq $firstdefault);
1.119 www 669: $result.=">".&mt($hashref->{$value}->{'text'})."</option>\n";
1.36 matthew 670: }
671: $result .= "</select>\n";
672: my %select2 = %{$hashref->{$firstdefault}->{'select2'}};
673: $result .= $middletext;
674: $result .= "<select size=\"1\" name=\"$secondselectname\">\n";
675: my $seconddefault = $hashref->{$firstdefault}->{'default'};
676: foreach my $value (sort(keys(%select2))) {
677: $result.=" <option value=\"$value\" ";
1.253 albertel 678: $result.=" selected=\"selected\" " if ($value eq $seconddefault);
1.119 www 679: $result.=">".&mt($select2{$value})."</option>\n";
1.36 matthew 680: }
681: $result .= "</select>\n";
682: # return $debug;
683: return $result;
684: } # end of sub linked_select_forms {
685:
1.45 matthew 686: =pod
1.44 bowersj2 687:
1.112 bowersj2 688: =item * help_open_topic($topic, $text, $stayOnPage, $width, $height)
1.44 bowersj2 689:
1.112 bowersj2 690: Returns a string corresponding to an HTML link to the given help
691: $topic, where $topic corresponds to the name of a .tex file in
692: /home/httpd/html/adm/help/tex, with underscores replaced by
693: spaces.
694:
695: $text will optionally be linked to the same topic, allowing you to
696: link text in addition to the graphic. If you do not want to link
697: text, but wish to specify one of the later parameters, pass an
698: empty string.
699:
700: $stayOnPage is a value that will be interpreted as a boolean. If true,
701: the link will not open a new window. If false, the link will open
702: a new window using Javascript. (Default is false.)
703:
704: $width and $height are optional numerical parameters that will
705: override the width and height of the popped up window, which may
706: be useful for certain help topics with big pictures included.
1.44 bowersj2 707:
708: =cut
709:
710: sub help_open_topic {
1.48 bowersj2 711: my ($topic, $text, $stayOnPage, $width, $height) = @_;
712: $text = "" if (not defined $text);
1.44 bowersj2 713: $stayOnPage = 0 if (not defined $stayOnPage);
1.552 banghart 714: if ($env{'browser.interface'} eq 'textual') {
1.79 www 715: $stayOnPage=1;
716: }
1.44 bowersj2 717: $width = 350 if (not defined $width);
718: $height = 400 if (not defined $height);
719: my $filename = $topic;
720: $filename =~ s/ /_/g;
721:
1.48 bowersj2 722: my $template = "";
723: my $link;
1.159 www 724:
725: $topic=~s/\W/\_/g;
1.44 bowersj2 726:
727: if (!$stayOnPage)
728: {
1.72 bowersj2 729: $link = "javascript:void(open('/adm/help/${filename}.hlp', 'Help_for_$topic', 'menubar=0,toolbar=1,scrollbars=1,width=$width,height=$height,resizable=yes'))";
1.44 bowersj2 730: }
731: else
732: {
1.48 bowersj2 733: $link = "/adm/help/${filename}.hlp";
734: }
735:
736: # Add the text
737: if ($text ne "")
738: {
1.77 www 739: $template .=
740: "<table bgcolor='#3333AA' cellspacing='1' cellpadding='1' border='0'><tr>".
1.436 albertel 741: "<td bgcolor='#5555FF'><a target=\"_top\" href=\"$link\"><font color='#FFFFFF' size='2'>$text</font></a>";
1.48 bowersj2 742: }
743:
744: # Add the graphic
1.179 matthew 745: my $title = &mt('Online Help');
1.215 albertel 746: my $helpicon=&lonhttpdurl("/adm/help/gif/smallHelp.gif");
1.48 bowersj2 747: $template .= <<"ENDTEMPLATE";
1.436 albertel 748: <a target="_top" href="$link" title="$title"><img src="$helpicon" border="0" alt="(Help: $topic)" /></a>
1.44 bowersj2 749: ENDTEMPLATE
1.78 www 750: if ($text ne '') { $template.='</td></tr></table>' };
1.44 bowersj2 751: return $template;
752:
1.106 bowersj2 753: }
754:
755: # This is a quicky function for Latex cheatsheet editing, since it
756: # appears in at least four places
757: sub helpLatexCheatsheet {
758: my $other = shift;
759: my $addOther = '';
760: if ($other) {
761: $addOther = Apache::loncommon::help_open_topic($other, shift,
762: undef, undef, 600) .
763: '</td><td>';
764: }
765: return '<table><tr><td>'.
766: $addOther .
767: &Apache::loncommon::help_open_topic("Greek_Symbols",'Greek Symbols',
768: undef,undef,600)
769: .'</td><td>'.
770: &Apache::loncommon::help_open_topic("Other_Symbols",'Other Symbols',
771: undef,undef,600)
772: .'</td></tr></table>';
1.172 www 773: }
774:
1.430 albertel 775: sub general_help {
776: my $helptopic='Student_Intro';
777: if ($env{'request.role'}=~/^(ca|au)/) {
778: $helptopic='Authoring_Intro';
779: } elsif ($env{'request.role'}=~/^cc/) {
780: $helptopic='Course_Coordination_Intro';
781: }
782: return $helptopic;
783: }
784:
785: sub update_help_link {
786: my ($topic,$component_help,$faq,$bug,$stayOnPage) = @_;
787: my $origurl = $ENV{'REQUEST_URI'};
788: $origurl=~s|^/~|/priv/|;
789: my $timestamp = time;
790: foreach my $datum (\$topic,\$component_help,\$faq,\$bug,\$origurl) {
791: $$datum = &escape($$datum);
792: }
793:
794: my $banner_link = "/adm/helpmenu?page=banner&topic=$topic&component_help=$component_help&faq=$faq&bug=$bug&origurl=$origurl&stamp=$timestamp&stayonpage=$stayOnPage";
795: my $output .= <<"ENDOUTPUT";
796: <script type="text/javascript">
797: banner_link = '$banner_link';
798: </script>
799: ENDOUTPUT
800: return $output;
801: }
802:
803: # now just updates the help link and generates a blue icon
1.193 raeburn 804: sub help_open_menu {
1.430 albertel 805: my ($topic,$component_help,$faq,$bug,$stayOnPage,$width,$height,$text)
1.552 banghart 806: = @_;
1.430 albertel 807: $stayOnPage = 0 if (not defined $stayOnPage);
1.552 banghart 808: # formerly only used pop-up help (stayOnPage = 0)
809: # if environment.remote is on (using remote control UI)
810: # if ($env{'browser.interface'} eq 'textual' ||
811: # $env{'environment.remote'} eq 'off' ) {
812: # $stayOnPage=1;
813: #}
814: # Now making pop-up help the default even with remote control
815: if ($env{'browser.interface'} eq 'textual') {
816: $stayOnPage=1;
1.430 albertel 817: }
818: my $output;
819: if ($component_help) {
820: if (!$text) {
821: $output=&help_open_topic($component_help,undef,$stayOnPage,
822: $width,$height);
823: } else {
824: my $help_text;
825: $help_text=&unescape($topic);
826: $output='<table><tr><td>'.
827: &help_open_topic($component_help,$help_text,$stayOnPage,
828: $width,$height).'</td></tr></table>';
829: }
830: }
831: my $banner_link = &update_help_link($topic,$component_help,$faq,$bug,$stayOnPage);
832: return $output.$banner_link;
833: }
834:
835: sub top_nav_help {
836: my ($text) = @_;
837:
1.436 albertel 838: $text = &mt($text);
839:
840: my $stayOnPage =
841: ($env{'browser.interface'} eq 'textual' ||
842: $env{'environment.remote'} eq 'off' );
843: my $link= ($stayOnPage) ? "javascript:helpMenu('display')"
844: : "javascript:helpMenu('open')";
845: my $banner_link = &update_help_link(undef,undef,undef,undef,$stayOnPage);
846:
1.201 raeburn 847: my $title = &mt('Get help');
1.436 albertel 848:
849: return <<"END";
850: $banner_link
851: <a href="$link" title="$title">$text</a>
852: END
853: }
854:
855: sub help_menu_js {
856: my ($text) = @_;
857:
858: my $stayOnPage =
859: ($env{'browser.interface'} eq 'textual' ||
860: $env{'environment.remote'} eq 'off' );
861:
862: my $width = 620;
863: my $height = 600;
1.430 albertel 864: my $helptopic=&general_help();
865: my $details_link = '/adm/help/'.$helptopic.'.hlp';
1.261 albertel 866: my $nothing=&Apache::lonhtmlcommon::javascript_nothing();
1.331 albertel 867: my $start_page =
868: &Apache::loncommon::start_page('Help Menu', undef,
869: {'frameset' => 1,
870: 'js_ready' => 1,
871: 'add_entries' => {
872: 'border' => '0',
873: 'rows' => "105,*",},});
874: my $end_page =
875: &Apache::loncommon::end_page({'frameset' => 1,
876: 'js_ready' => 1,});
877:
1.436 albertel 878: my $template .= <<"ENDTEMPLATE";
879: <script type="text/javascript">
1.253 albertel 880: // <!-- BEGIN LON-CAPA Internal
881: // <![CDATA[
1.430 albertel 882: var banner_link = '';
1.243 raeburn 883: function helpMenu(target) {
884: var caller = this;
885: if (target == 'open') {
886: var newWindow = null;
887: try {
1.262 albertel 888: newWindow = window.open($nothing,"helpmenu","HEIGHT=$height,WIDTH=$width,resizable=yes,scrollbars=yes" )
1.243 raeburn 889: }
890: catch(error) {
891: writeHelp(caller);
892: return;
893: }
894: if (newWindow) {
895: caller = newWindow;
896: }
1.193 raeburn 897: }
1.243 raeburn 898: writeHelp(caller);
899: return;
900: }
901: function writeHelp(caller) {
1.430 albertel 902: caller.document.writeln('$start_page<frame name="bannerframe" src="'+banner_link+'" /><frame name="bodyframe" src="$details_link" /> $end_page')
1.243 raeburn 903: caller.document.close()
904: caller.focus()
1.193 raeburn 905: }
1.253 albertel 906: // ]]>
1.219 albertel 907: // END LON-CAPA Internal -->
1.436 albertel 908: </script>
1.193 raeburn 909: ENDTEMPLATE
910: return $template;
911: }
912:
1.172 www 913: sub help_open_bug {
914: my ($topic, $text, $stayOnPage, $width, $height) = @_;
1.258 albertel 915: unless ($env{'user.adv'}) { return ''; }
1.172 www 916: unless ($Apache::lonnet::perlvar{'BugzillaHost'}) { return ''; }
917: $text = "" if (not defined $text);
918: $stayOnPage = 0 if (not defined $stayOnPage);
1.258 albertel 919: if ($env{'browser.interface'} eq 'textual' ||
920: $env{'environment.remote'} eq 'off' ) {
1.172 www 921: $stayOnPage=1;
922: }
1.184 albertel 923: $width = 600 if (not defined $width);
924: $height = 600 if (not defined $height);
1.172 www 925:
926: $topic=~s/\W+/\+/g;
927: my $link='';
928: my $template='';
1.379 albertel 929: my $url=$Apache::lonnet::perlvar{'BugzillaHost'}.'enter_bug.cgi?product=LON-CAPA&bug_file_loc='.
930: &escape($ENV{'REQUEST_URI'}).'&component='.$topic;
1.172 www 931: if (!$stayOnPage)
932: {
933: $link = "javascript:void(open('$url', 'Bugzilla', 'menubar=0,toolbar=1,scrollbars=1,width=$width,height=$height,resizable=yes'))";
934: }
935: else
936: {
937: $link = $url;
938: }
939: # Add the text
940: if ($text ne "")
941: {
942: $template .=
943: "<table bgcolor='#AA3333' cellspacing='1' cellpadding='1' border='0'><tr>".
1.436 albertel 944: "<td bgcolor='#FF5555'><a target=\"_top\" href=\"$link\"><font color='#FFFFFF' size='2'>$text</font></a>";
1.172 www 945: }
946:
947: # Add the graphic
1.179 matthew 948: my $title = &mt('Report a Bug');
1.215 albertel 949: my $bugicon=&lonhttpdurl("/adm/lonMisc/smallBug.gif");
1.172 www 950: $template .= <<"ENDTEMPLATE";
1.436 albertel 951: <a target="_top" href="$link" title="$title"><img src="$bugicon" border="0" alt="(Bug: $topic)" /></a>
1.172 www 952: ENDTEMPLATE
953: if ($text ne '') { $template.='</td></tr></table>' };
954: return $template;
955:
956: }
957:
958: sub help_open_faq {
959: my ($topic, $text, $stayOnPage, $width, $height) = @_;
1.258 albertel 960: unless ($env{'user.adv'}) { return ''; }
1.172 www 961: unless ($Apache::lonnet::perlvar{'FAQHost'}) { return ''; }
962: $text = "" if (not defined $text);
963: $stayOnPage = 0 if (not defined $stayOnPage);
1.258 albertel 964: if ($env{'browser.interface'} eq 'textual' ||
965: $env{'environment.remote'} eq 'off' ) {
1.172 www 966: $stayOnPage=1;
967: }
968: $width = 350 if (not defined $width);
969: $height = 400 if (not defined $height);
970:
971: $topic=~s/\W+/\+/g;
972: my $link='';
973: my $template='';
974: my $url=$Apache::lonnet::perlvar{'FAQHost'}.'/fom/cache/'.$topic.'.html';
975: if (!$stayOnPage)
976: {
977: $link = "javascript:void(open('$url', 'FAQ-O-Matic', 'menubar=0,toolbar=1,scrollbars=1,width=$width,height=$height,resizable=yes'))";
978: }
979: else
980: {
981: $link = $url;
982: }
983:
984: # Add the text
985: if ($text ne "")
986: {
987: $template .=
1.173 www 988: "<table bgcolor='#337733' cellspacing='1' cellpadding='1' border='0'><tr>".
1.436 albertel 989: "<td bgcolor='#448844'><a target=\"_top\" href=\"$link\"><font color='#FFFFFF' size='2'>$text</font></a>";
1.172 www 990: }
991:
992: # Add the graphic
1.179 matthew 993: my $title = &mt('View the FAQ');
1.215 albertel 994: my $faqicon=&lonhttpdurl("/adm/lonMisc/smallFAQ.gif");
1.172 www 995: $template .= <<"ENDTEMPLATE";
1.436 albertel 996: <a target="_top" href="$link" title="$title"><img src="$faqicon" border="0" alt="(FAQ: $topic)" /></a>
1.172 www 997: ENDTEMPLATE
998: if ($text ne '') { $template.='</td></tr></table>' };
999: return $template;
1000:
1.44 bowersj2 1001: }
1.37 matthew 1002:
1.180 matthew 1003: ###############################################################
1004: ###############################################################
1005:
1.45 matthew 1006: =pod
1007:
1.256 matthew 1008: =item * change_content_javascript():
1009:
1010: This and the next function allow you to create small sections of an
1011: otherwise static HTML page that you can update on the fly with
1012: Javascript, even in Netscape 4.
1013:
1014: The Javascript fragment returned by this function (no E<lt>scriptE<gt> tag)
1015: must be written to the HTML page once. It will prove the Javascript
1016: function "change(name, content)". Calling the change function with the
1017: name of the section
1018: you want to update, matching the name passed to C<changable_area>, and
1019: the new content you want to put in there, will put the content into
1020: that area.
1021:
1022: B<Note>: Netscape 4 only reserves enough space for the changable area
1023: to contain room for the original contents. You need to "make space"
1024: for whatever changes you wish to make, and be B<sure> to check your
1025: code in Netscape 4. This feature in Netscape 4 is B<not> powerful;
1026: it's adequate for updating a one-line status display, but little more.
1027: This script will set the space to 100% width, so you only need to
1028: worry about height in Netscape 4.
1029:
1030: Modern browsers are much less limiting, and if you can commit to the
1031: user not using Netscape 4, this feature may be used freely with
1032: pretty much any HTML.
1033:
1034: =cut
1035:
1036: sub change_content_javascript {
1037: # If we're on Netscape 4, we need to use Layer-based code
1.258 albertel 1038: if ($env{'browser.type'} eq 'netscape' &&
1039: $env{'browser.version'} =~ /^4\./) {
1.256 matthew 1040: return (<<NETSCAPE4);
1041: function change(name, content) {
1042: doc = document.layers[name+"___escape"].layers[0].document;
1043: doc.open();
1044: doc.write(content);
1045: doc.close();
1046: }
1047: NETSCAPE4
1048: } else {
1049: # Otherwise, we need to use semi-standards-compliant code
1050: # (technically, "innerHTML" isn't standard but the equivalent
1051: # is really scary, and every useful browser supports it
1052: return (<<DOMBASED);
1053: function change(name, content) {
1054: element = document.getElementById(name);
1055: element.innerHTML = content;
1056: }
1057: DOMBASED
1058: }
1059: }
1060:
1061: =pod
1062:
1063: =item * changable_area($name, $origContent):
1064:
1065: This provides a "changable area" that can be modified on the fly via
1066: the Javascript code provided in C<change_content_javascript>. $name is
1067: the name you will use to reference the area later; do not repeat the
1068: same name on a given HTML page more then once. $origContent is what
1069: the area will originally contain, which can be left blank.
1070:
1071: =cut
1072:
1073: sub changable_area {
1074: my ($name, $origContent) = @_;
1075:
1.258 albertel 1076: if ($env{'browser.type'} eq 'netscape' &&
1077: $env{'browser.version'} =~ /^4\./) {
1.256 matthew 1078: # If this is netscape 4, we need to use the Layer tag
1079: return "<ilayer width='100%' id='${name}___escape' overflow='none'><layer width='100%' id='$name' overflow='none'>$origContent</layer></ilayer>";
1080: } else {
1081: return "<span id='$name'>$origContent</span>";
1082: }
1083: }
1084:
1085: =pod
1086:
1.565 albertel 1087: =item * resize_textarea_js
1088:
1089: emits the needed javascript to resize a textarea to be as big as possible
1090:
1091: creates a function resize_textrea that takes two IDs first should be
1092: the id of the element to resize, second should be the id of a div that
1093: surrounds everything that comes after the textarea, this routine needs
1094: to be attached to the <body> for the onload and onresize events.
1095:
1096:
1097: =cut
1098:
1099: sub resize_textarea_js {
1100: return <<"RESIZE";
1101: <script type="text/javascript">
1102: var Geometry = {};
1103: function init_geometry() {
1104: if (Geometry.init) { return };
1105: Geometry.init=1;
1106: if (window.innerHeight) {
1107: Geometry.getViewportHeight = function() { return window.innerHeight; };
1108: }
1109: else if (document.documentElement && document.documentElement.clientHeight) {
1110: Geometry.getViewportHeight =
1111: function() { return document.documentElement.clientHeight; };
1112: }
1113: else if (document.body.clientHeight) {
1114: Geometry.getViewportHeight =
1115: function() { return document.body.clientHeight; };
1116: }
1117: }
1118:
1119: function resize_textarea(textarea_id,bottom_id) {
1120: init_geometry();
1121: var textarea = document.getElementById(textarea_id);
1122: //alert(textarea);
1123:
1124: var textarea_top = textarea.offsetTop;
1125: var textarea_height = textarea.offsetHeight;
1126: var bottom = document.getElementById(bottom_id);
1127: var bottom_top = bottom.offsetTop;
1128: var bottom_height = bottom.offsetHeight;
1129: var window_height = Geometry.getViewportHeight();
1130: var fudge = 23;
1131: var new_height = window_height-fudge-textarea_top-bottom_height;
1132: if (new_height < 300) {
1133: new_height = 300;
1134: }
1135: textarea.style.height=new_height+'px';
1136: }
1137: </script>
1138: RESIZE
1139:
1140: }
1141:
1142: =pod
1143:
1.256 matthew 1144: =back
1.542 raeburn 1145:
1.256 matthew 1146: =head1 Excel and CSV file utility routines
1147:
1148: =over 4
1149:
1150: =cut
1151:
1152: ###############################################################
1153: ###############################################################
1154:
1155: =pod
1156:
1.112 bowersj2 1157: =item * csv_translate($text)
1.37 matthew 1158:
1.185 www 1159: Translate $text to allow it to be output as a 'comma separated values'
1.37 matthew 1160: format.
1161:
1162: =cut
1163:
1.180 matthew 1164: ###############################################################
1165: ###############################################################
1.37 matthew 1166: sub csv_translate {
1167: my $text = shift;
1168: $text =~ s/\"/\"\"/g;
1.209 albertel 1169: $text =~ s/\n/ /g;
1.37 matthew 1170: return $text;
1171: }
1.180 matthew 1172:
1173: ###############################################################
1174: ###############################################################
1175:
1176: =pod
1177:
1178: =item * define_excel_formats
1179:
1180: Define some commonly used Excel cell formats.
1181:
1182: Currently supported formats:
1183:
1184: =over 4
1185:
1186: =item header
1187:
1188: =item bold
1189:
1190: =item h1
1191:
1192: =item h2
1193:
1194: =item h3
1195:
1.256 matthew 1196: =item h4
1197:
1198: =item i
1199:
1.180 matthew 1200: =item date
1201:
1202: =back
1203:
1204: Inputs: $workbook
1205:
1206: Returns: $format, a hash reference.
1207:
1208: =cut
1209:
1210: ###############################################################
1211: ###############################################################
1212: sub define_excel_formats {
1213: my ($workbook) = @_;
1214: my $format;
1215: $format->{'header'} = $workbook->add_format(bold => 1,
1216: bottom => 1,
1217: align => 'center');
1218: $format->{'bold'} = $workbook->add_format(bold=>1);
1219: $format->{'h1'} = $workbook->add_format(bold=>1, size=>18);
1220: $format->{'h2'} = $workbook->add_format(bold=>1, size=>16);
1221: $format->{'h3'} = $workbook->add_format(bold=>1, size=>14);
1.255 matthew 1222: $format->{'h4'} = $workbook->add_format(bold=>1, size=>12);
1.246 matthew 1223: $format->{'i'} = $workbook->add_format(italic=>1);
1.180 matthew 1224: $format->{'date'} = $workbook->add_format(num_format=>
1.207 matthew 1225: 'mm/dd/yyyy hh:mm:ss');
1.180 matthew 1226: return $format;
1227: }
1228:
1229: ###############################################################
1230: ###############################################################
1.113 bowersj2 1231:
1232: =pod
1233:
1.256 matthew 1234: =item * create_workbook
1.255 matthew 1235:
1236: Create an Excel worksheet. If it fails, output message on the
1237: request object and return undefs.
1238:
1239: Inputs: Apache request object
1240:
1241: Returns (undef) on failure,
1242: Excel worksheet object, scalar with filename, and formats
1243: from &Apache::loncommon::define_excel_formats on success
1244:
1245: =cut
1246:
1247: ###############################################################
1248: ###############################################################
1249: sub create_workbook {
1250: my ($r) = @_;
1251: #
1252: # Create the excel spreadsheet
1253: my $filename = '/prtspool/'.
1.258 albertel 1254: $env{'user.name'}.'_'.$env{'user.domain'}.'_'.
1.255 matthew 1255: time.'_'.rand(1000000000).'.xls';
1256: my $workbook = Spreadsheet::WriteExcel->new('/home/httpd'.$filename);
1257: if (! defined($workbook)) {
1258: $r->log_error("Error creating excel spreadsheet $filename: $!");
1259: $r->print('<p>'.&mt("Unable to create new Excel file. ".
1260: "This error has been logged. ".
1261: "Please alert your LON-CAPA administrator").
1262: '</p>');
1263: return (undef);
1264: }
1265: #
1266: $workbook->set_tempdir('/home/httpd/perl/tmp');
1267: #
1268: my $format = &Apache::loncommon::define_excel_formats($workbook);
1269: return ($workbook,$filename,$format);
1270: }
1271:
1272: ###############################################################
1273: ###############################################################
1274:
1275: =pod
1276:
1.256 matthew 1277: =item * create_text_file
1.113 bowersj2 1278:
1.542 raeburn 1279: Create a file to write to and eventually make available to the user.
1.256 matthew 1280: If file creation fails, outputs an error message on the request object and
1281: return undefs.
1.113 bowersj2 1282:
1.256 matthew 1283: Inputs: Apache request object, and file suffix
1.113 bowersj2 1284:
1.256 matthew 1285: Returns (undef) on failure,
1286: Filehandle and filename on success.
1.113 bowersj2 1287:
1288: =cut
1289:
1.256 matthew 1290: ###############################################################
1291: ###############################################################
1292: sub create_text_file {
1293: my ($r,$suffix) = @_;
1294: if (! defined($suffix)) { $suffix = 'txt'; };
1295: my $fh;
1296: my $filename = '/prtspool/'.
1.258 albertel 1297: $env{'user.name'}.'_'.$env{'user.domain'}.'_'.
1.256 matthew 1298: time.'_'.rand(1000000000).'.'.$suffix;
1299: $fh = Apache::File->new('>/home/httpd'.$filename);
1300: if (! defined($fh)) {
1301: $r->log_error("Couldn't open $filename for output $!");
1302: $r->print("Problems occured in creating the output file. ".
1303: "This error has been logged. ".
1304: "Please alert your LON-CAPA administrator.");
1.113 bowersj2 1305: }
1.256 matthew 1306: return ($fh,$filename)
1.113 bowersj2 1307: }
1308:
1309:
1.256 matthew 1310: =pod
1.113 bowersj2 1311:
1312: =back
1313:
1314: =cut
1.37 matthew 1315:
1316: ###############################################################
1.33 matthew 1317: ## Home server <option> list generating code ##
1318: ###############################################################
1.35 matthew 1319:
1.169 www 1320: # ------------------------------------------
1321:
1322: sub domain_select {
1323: my ($name,$value,$multiple)=@_;
1324: my %domains=map {
1.514 albertel 1325: $_ => $_.' '. &Apache::lonnet::domain($_,'description')
1.512 albertel 1326: } &Apache::lonnet::all_domains();
1.169 www 1327: if ($multiple) {
1328: $domains{''}=&mt('Any domain');
1.550 albertel 1329: $domains{'select_form_order'} = [sort {lc($a) cmp lc($b) } (keys(%domains))];
1.287 albertel 1330: return &multiple_select_form($name,$value,4,\%domains);
1.169 www 1331: } else {
1.550 albertel 1332: $domains{'select_form_order'} = [sort {lc($a) cmp lc($b) } (keys(%domains))];
1.169 www 1333: return &select_form($name,$value,%domains);
1334: }
1335: }
1336:
1.282 albertel 1337: #-------------------------------------------
1338:
1339: =pod
1340:
1.519 raeburn 1341: =head1 Routines for form select boxes
1342:
1343: =over 4
1344:
1345: =cut
1346:
1.287 albertel 1347: =item * multiple_select_form($name,$value,$size,$hash,$order)
1.282 albertel 1348:
1349: Returns a string containing a <select> element int multiple mode
1350:
1351:
1352: Args:
1353: $name - name of the <select> element
1.506 raeburn 1354: $value - scalar or array ref of values that should already be selected
1.282 albertel 1355: $size - number of rows long the select element is
1.283 albertel 1356: $hash - the elements should be 'option' => 'shown text'
1.282 albertel 1357: (shown text should already have been &mt())
1.506 raeburn 1358: $order - (optional) array ref of the order to show the elements in
1.283 albertel 1359:
1.282 albertel 1360: =cut
1361:
1362: #-------------------------------------------
1.169 www 1363: sub multiple_select_form {
1.284 albertel 1364: my ($name,$value,$size,$hash,$order)=@_;
1.169 www 1365: my %selected = map { $_ => 1 } ref($value)?@{$value}:($value);
1366: my $output='';
1.191 matthew 1367: if (! defined($size)) {
1368: $size = 4;
1.283 albertel 1369: if (scalar(keys(%$hash))<4) {
1370: $size = scalar(keys(%$hash));
1.191 matthew 1371: }
1372: }
1.169 www 1373: $output.="\n<select name='$name' size='$size' multiple='1'>";
1.501 banghart 1374: my @order;
1.506 raeburn 1375: if (ref($order) eq 'ARRAY') {
1376: @order = @{$order};
1377: } else {
1378: @order = sort(keys(%$hash));
1.501 banghart 1379: }
1380: if (exists($$hash{'select_form_order'})) {
1381: @order = @{$$hash{'select_form_order'}};
1382: }
1383:
1.284 albertel 1384: foreach my $key (@order) {
1.356 albertel 1385: $output.='<option value="'.&HTML::Entities::encode($key,'"<>&').'" ';
1.284 albertel 1386: $output.='selected="selected" ' if ($selected{$key});
1387: $output.='>'.$hash->{$key}."</option>\n";
1.169 www 1388: }
1389: $output.="</select>\n";
1390: return $output;
1391: }
1392:
1.88 www 1393: #-------------------------------------------
1394:
1395: =pod
1396:
1.112 bowersj2 1397: =item * select_form($defdom,$name,%hash)
1.88 www 1398:
1399: Returns a string containing a <select name='$name' size='1'> form to
1400: allow a user to select options from a hash option_name => displayed text.
1401: See lonrights.pm for an example invocation and use.
1402:
1403: =cut
1404:
1405: #-------------------------------------------
1406: sub select_form {
1407: my ($def,$name,%hash) = @_;
1408: my $selectform = "<select name=\"$name\" size=\"1\">\n";
1.128 albertel 1409: my @keys;
1410: if (exists($hash{'select_form_order'})) {
1411: @keys=@{$hash{'select_form_order'}};
1412: } else {
1413: @keys=sort(keys(%hash));
1414: }
1.356 albertel 1415: foreach my $key (@keys) {
1416: $selectform.=
1417: '<option value="'.&HTML::Entities::encode($key,'"<>&').'" '.
1418: ($key eq $def ? 'selected="selected" ' : '').
1419: ">".&mt($hash{$key})."</option>\n";
1.88 www 1420: }
1421: $selectform.="</select>";
1422: return $selectform;
1423: }
1424:
1.475 www 1425: # For display filters
1426:
1427: sub display_filter {
1428: if (!$env{'form.show'}) { $env{'form.show'}=10; }
1.477 www 1429: if (!$env{'form.displayfilter'}) { $env{'form.displayfilter'}='currentfolder'; }
1.475 www 1430: return '<nobr><label>'.&mt('Records [_1]',
1431: &Apache::lonmeta::selectbox('show',$env{'form.show'},undef,
1432: (&mt('all'),10,20,50,100,1000,10000))).
1.478 www 1433: '</label></nobr> <nobr>'.
1.475 www 1434: &mt('Filter [_1]',
1.477 www 1435: &select_form($env{'form.displayfilter'},
1436: 'displayfilter',
1437: ('currentfolder' => 'Current folder/page',
1438: 'containing' => 'Containing phrase',
1439: 'none' => 'None'))).
1.478 www 1440: '<input type="text" name="containingphrase" size="30" value="'.&HTML::Entities::encode($env{'form.containingphrase'}).'" /></nobr>';
1.475 www 1441: }
1442:
1.167 www 1443: sub gradeleveldescription {
1444: my $gradelevel=shift;
1445: my %gradelevels=(0 => 'Not specified',
1446: 1 => 'Grade 1',
1447: 2 => 'Grade 2',
1448: 3 => 'Grade 3',
1449: 4 => 'Grade 4',
1450: 5 => 'Grade 5',
1451: 6 => 'Grade 6',
1452: 7 => 'Grade 7',
1453: 8 => 'Grade 8',
1454: 9 => 'Grade 9',
1455: 10 => 'Grade 10',
1456: 11 => 'Grade 11',
1457: 12 => 'Grade 12',
1458: 13 => 'Grade 13',
1459: 14 => '100 Level',
1460: 15 => '200 Level',
1461: 16 => '300 Level',
1462: 17 => '400 Level',
1463: 18 => 'Graduate Level');
1464: return &mt($gradelevels{$gradelevel});
1465: }
1466:
1.163 www 1467: sub select_level_form {
1468: my ($deflevel,$name)=@_;
1469: unless ($deflevel) { $deflevel=0; }
1.167 www 1470: my $selectform = "<select name=\"$name\" size=\"1\">\n";
1471: for (my $i=0; $i<=18; $i++) {
1472: $selectform.="<option value=\"$i\" ".
1.253 albertel 1473: ($i==$deflevel ? 'selected="selected" ' : '').
1.167 www 1474: ">".&gradeleveldescription($i)."</option>\n";
1475: }
1476: $selectform.="</select>";
1477: return $selectform;
1.163 www 1478: }
1.167 www 1479:
1.35 matthew 1480: #-------------------------------------------
1481:
1.45 matthew 1482: =pod
1483:
1.563 raeburn 1484: =item * select_dom_form($defdom,$name,$includeempty,$showdomdesc)
1.35 matthew 1485:
1486: Returns a string containing a <select name='$name' size='1'> form to
1487: allow a user to select the domain to preform an operation in.
1488: See loncreateuser.pm for an example invocation and use.
1489:
1.90 www 1490: If the $includeempty flag is set, it also includes an empty choice ("no domain
1491: selected");
1492:
1.563 raeburn 1493: If the $showdomdesc flag is set, the domain name is followed by the domain description.
1494:
1.35 matthew 1495: =cut
1496:
1497: #-------------------------------------------
1.34 matthew 1498: sub select_dom_form {
1.563 raeburn 1499: my ($defdom,$name,$includeempty,$showdomdesc) = @_;
1.550 albertel 1500: my @domains = sort {lc($a) cmp lc($b)} (&Apache::lonnet::all_domains());
1.90 www 1501: if ($includeempty) { @domains=('',@domains); }
1.34 matthew 1502: my $selectdomain = "<select name=\"$name\" size=\"1\">\n";
1.356 albertel 1503: foreach my $dom (@domains) {
1504: $selectdomain.="<option value=\"$dom\" ".
1.563 raeburn 1505: ($dom eq $defdom ? 'selected="selected" ' : '').'>'.$dom;
1506: if ($showdomdesc) {
1507: if ($dom ne '') {
1508: my $domdesc = &Apache::lonnet::domain($dom,'description');
1509: if ($domdesc ne '') {
1510: $selectdomain .= ' ('.$domdesc.')';
1511: }
1512: }
1513: }
1514: $selectdomain .= "</option>\n";
1.34 matthew 1515: }
1516: $selectdomain.="</select>";
1517: return $selectdomain;
1518: }
1519:
1.35 matthew 1520: #-------------------------------------------
1521:
1.45 matthew 1522: =pod
1523:
1.112 bowersj2 1524: =item * home_server_option_list($domain)
1.35 matthew 1525:
1526: returns a string which contains an <option> list to be used in a
1527: <select> form input. See loncreateuser.pm for an example.
1528:
1529: =cut
1530:
1531: #-------------------------------------------
1.33 matthew 1532: sub home_server_option_list {
1533: my $domain = shift;
1.513 albertel 1534: my %servers = &Apache::lonnet::get_servers($domain,'library');
1.33 matthew 1535: my $result = '';
1.356 albertel 1536: foreach my $hostid (sort(keys(%servers))) {
1.33 matthew 1537: $result.=
1.356 albertel 1538: '<option value="'.$hostid.'">'.
1539: $hostid.' '.$servers{$hostid}."</option>\n";
1.33 matthew 1540: }
1541: return $result;
1542: }
1.112 bowersj2 1543:
1544: =pod
1545:
1.534 albertel 1546: =back
1547:
1.112 bowersj2 1548: =cut
1.87 matthew 1549:
1550: ###############################################################
1.112 bowersj2 1551: ## Decoding User Agent ##
1.87 matthew 1552: ###############################################################
1553:
1554: =pod
1555:
1.112 bowersj2 1556: =head1 Decoding the User Agent
1557:
1558: =over 4
1559:
1560: =item * &decode_user_agent()
1.87 matthew 1561:
1562: Inputs: $r
1563:
1564: Outputs:
1565:
1566: =over 4
1567:
1.112 bowersj2 1568: =item * $httpbrowser
1.87 matthew 1569:
1.112 bowersj2 1570: =item * $clientbrowser
1.87 matthew 1571:
1.112 bowersj2 1572: =item * $clientversion
1.87 matthew 1573:
1.112 bowersj2 1574: =item * $clientmathml
1.87 matthew 1575:
1.112 bowersj2 1576: =item * $clientunicode
1.87 matthew 1577:
1.112 bowersj2 1578: =item * $clientos
1.87 matthew 1579:
1580: =back
1581:
1.157 matthew 1582: =back
1583:
1.87 matthew 1584: =cut
1585:
1586: ###############################################################
1587: ###############################################################
1588: sub decode_user_agent {
1.247 albertel 1589: my ($r)=@_;
1.87 matthew 1590: my @browsertype=split(/\&/,$Apache::lonnet::perlvar{"lonBrowsDet"});
1591: my %mathcap=split(/\&/,$$Apache::lonnet::perlvar{"lonMathML"});
1592: my $httpbrowser=$ENV{"HTTP_USER_AGENT"};
1.247 albertel 1593: if (!$httpbrowser && $r) { $httpbrowser=$r->header_in('User-Agent'); }
1.87 matthew 1594: my $clientbrowser='unknown';
1595: my $clientversion='0';
1596: my $clientmathml='';
1597: my $clientunicode='0';
1598: for (my $i=0;$i<=$#browsertype;$i++) {
1599: my ($bname,$match,$notmatch,$vreg,$minv,$univ)=split(/\:/,$browsertype[$i]);
1600: if (($httpbrowser=~/$match/i) && ($httpbrowser!~/$notmatch/i)) {
1601: $clientbrowser=$bname;
1602: $httpbrowser=~/$vreg/i;
1603: $clientversion=$1;
1604: $clientmathml=($clientversion>=$minv);
1605: $clientunicode=($clientversion>=$univ);
1606: }
1607: }
1608: my $clientos='unknown';
1609: if (($httpbrowser=~/linux/i) ||
1610: ($httpbrowser=~/unix/i) ||
1611: ($httpbrowser=~/ux/i) ||
1612: ($httpbrowser=~/solaris/i)) { $clientos='unix'; }
1613: if (($httpbrowser=~/vax/i) ||
1614: ($httpbrowser=~/vms/i)) { $clientos='vms'; }
1615: if ($httpbrowser=~/next/i) { $clientos='next'; }
1616: if (($httpbrowser=~/mac/i) ||
1617: ($httpbrowser=~/powerpc/i)) { $clientos='mac'; }
1618: if ($httpbrowser=~/win/i) { $clientos='win'; }
1619: if ($httpbrowser=~/embed/i) { $clientos='pda'; }
1620: return ($httpbrowser,$clientbrowser,$clientversion,$clientmathml,
1621: $clientunicode,$clientos,);
1622: }
1623:
1.32 matthew 1624: ###############################################################
1625: ## Authentication changing form generation subroutines ##
1626: ###############################################################
1627: ##
1628: ## All of the authform_xxxxxxx subroutines take their inputs in a
1629: ## hash, and have reasonable default values.
1630: ##
1631: ## formname = the name given in the <form> tag.
1.35 matthew 1632: #-------------------------------------------
1633:
1.45 matthew 1634: =pod
1635:
1.112 bowersj2 1636: =head1 Authentication Routines
1637:
1638: =over 4
1639:
1640: =item * authform_xxxxxx
1.35 matthew 1641:
1642: The authform_xxxxxx subroutines provide javascript and html forms which
1643: handle some of the conveniences required for authentication forms.
1644: This is not an optimal method, but it works.
1645:
1646: See loncreateuser.pm for invocation and use examples.
1647:
1648: =over 4
1649:
1.112 bowersj2 1650: =item * authform_header
1.35 matthew 1651:
1.112 bowersj2 1652: =item * authform_authorwarning
1.35 matthew 1653:
1.112 bowersj2 1654: =item * authform_nochange
1.35 matthew 1655:
1.112 bowersj2 1656: =item * authform_kerberos
1.35 matthew 1657:
1.112 bowersj2 1658: =item * authform_internal
1.35 matthew 1659:
1.112 bowersj2 1660: =item * authform_filesystem
1.35 matthew 1661:
1662: =back
1663:
1.157 matthew 1664: =back
1665:
1.35 matthew 1666: =cut
1667:
1668: #-------------------------------------------
1.32 matthew 1669: sub authform_header{
1670: my %in = (
1671: formname => 'cu',
1.80 albertel 1672: kerb_def_dom => '',
1.32 matthew 1673: @_,
1674: );
1675: $in{'formname'} = 'document.' . $in{'formname'};
1676: my $result='';
1.80 albertel 1677:
1678: #---------------------------------------------- Code for upper case translation
1679: my $Javascript_toUpperCase;
1680: unless ($in{kerb_def_dom}) {
1681: $Javascript_toUpperCase =<<"END";
1682: switch (choice) {
1683: case 'krb': currentform.elements[choicearg].value =
1684: currentform.elements[choicearg].value.toUpperCase();
1685: break;
1686: default:
1687: }
1688: END
1689: } else {
1690: $Javascript_toUpperCase = "";
1691: }
1692:
1.165 raeburn 1693: my $radioval = "'nochange'";
1.174 matthew 1694: if (exists($in{'curr_authtype'}) &&
1695: defined($in{'curr_authtype'}) &&
1696: $in{'curr_authtype'} ne '') {
1697: $radioval = "'$in{'curr_authtype'}arg'";
1698: }
1.165 raeburn 1699: my $argfield = 'null';
1700: if ( grep/^mode$/,(keys %in) ) {
1701: if ($in{'mode'} eq 'modifycourse') {
1702: if ( grep/^curr_authtype$/,(keys %in) ) {
1703: $radioval = "'$in{'curr_authtype'}'";
1704: }
1705: if ( grep/^curr_autharg$/,(keys %in) ) {
1706: unless ($in{'curr_autharg'} eq '') {
1707: $argfield = "'$in{'curr_autharg'}'";
1708: }
1709: }
1710: }
1711: }
1712:
1.32 matthew 1713: $result.=<<"END";
1714: var current = new Object();
1.165 raeburn 1715: current.radiovalue = $radioval;
1716: current.argfield = $argfield;
1.32 matthew 1717:
1718: function changed_radio(choice,currentform) {
1719: var choicearg = choice + 'arg';
1720: // If a radio button in changed, we need to change the argfield
1721: if (current.radiovalue != choice) {
1722: current.radiovalue = choice;
1723: if (current.argfield != null) {
1724: currentform.elements[current.argfield].value = '';
1725: }
1726: if (choice == 'nochange') {
1727: current.argfield = null;
1728: } else {
1729: current.argfield = choicearg;
1730: switch(choice) {
1731: case 'krb':
1732: currentform.elements[current.argfield].value =
1733: "$in{'kerb_def_dom'}";
1734: break;
1735: default:
1736: break;
1737: }
1738: }
1739: }
1740: return;
1741: }
1.22 www 1742:
1.32 matthew 1743: function changed_text(choice,currentform) {
1744: var choicearg = choice + 'arg';
1745: if (currentform.elements[choicearg].value !='') {
1.80 albertel 1746: $Javascript_toUpperCase
1.32 matthew 1747: // clear old field
1748: if ((current.argfield != choicearg) && (current.argfield != null)) {
1749: currentform.elements[current.argfield].value = '';
1750: }
1751: current.argfield = choicearg;
1752: }
1753: set_auth_radio_buttons(choice,currentform);
1754: return;
1.20 www 1755: }
1.32 matthew 1756:
1757: function set_auth_radio_buttons(newvalue,currentform) {
1758: var i=0;
1759: while (i < currentform.login.length) {
1760: if (currentform.login[i].value == newvalue) { break; }
1761: i++;
1762: }
1763: if (i == currentform.login.length) {
1764: return;
1765: }
1766: current.radiovalue = newvalue;
1767: currentform.login[i].checked = true;
1768: return;
1769: }
1770: END
1771: return $result;
1772: }
1773:
1774: sub authform_authorwarning{
1775: my $result='';
1.144 matthew 1776: $result='<i>'.
1777: &mt('As a general rule, only authors or co-authors should be '.
1778: 'filesystem authenticated '.
1779: '(which allows access to the server filesystem).')."</i>\n";
1.32 matthew 1780: return $result;
1781: }
1782:
1783: sub authform_nochange{
1784: my %in = (
1785: formname => 'document.cu',
1786: kerb_def_dom => 'MSU.EDU',
1787: @_,
1788: );
1.281 albertel 1789: my $result = '<label>'.&mt('[_1] Do not change login data',
1.144 matthew 1790: '<input type="radio" name="login" value="nochange" '.
1791: 'checked="checked" onclick="'.
1.281 albertel 1792: "javascript:changed_radio('nochange',$in{'formname'});".'" />').
1793: '</label>';
1.32 matthew 1794: return $result;
1795: }
1796:
1797: sub authform_kerberos{
1798: my %in = (
1799: formname => 'document.cu',
1800: kerb_def_dom => 'MSU.EDU',
1.80 albertel 1801: kerb_def_auth => 'krb4',
1.32 matthew 1802: @_,
1803: );
1.165 raeburn 1804: my ($check4,$check5,$krbarg);
1.80 albertel 1805: if ($in{'kerb_def_auth'} eq 'krb5') {
1806: $check5 = " checked=\"on\"";
1807: } else {
1808: $check4 = " checked=\"on\"";
1809: }
1.165 raeburn 1810: $krbarg = $in{'kerb_def_dom'};
1811:
1812: my $krbcheck = "";
1813: if ( grep/^curr_authtype$/,(keys %in) ) {
1814: if ($in{'curr_authtype'} =~ m/^krb/) {
1815: $krbcheck = " checked=\"on\"";
1816: if ( grep/^curr_autharg$/,(keys %in) ) {
1817: $krbarg = $in{'curr_autharg'};
1818: }
1819: }
1820: }
1821:
1.144 matthew 1822: my $jscall = "javascript:changed_radio('krb',$in{'formname'});";
1823: my $result .= &mt
1824: ('[_1] Kerberos authenticated with domain [_2] '.
1.281 albertel 1825: '[_3] Version 4 [_4] Version 5 [_5]',
1826: '<label><input type="radio" name="login" value="krb" '.
1.165 raeburn 1827: 'onclick="'.$jscall.'" onchange="'.$jscall.'"'.$krbcheck.' />',
1.281 albertel 1828: '</label><input type="text" size="10" name="krbarg" '.
1.165 raeburn 1829: 'value="'.$krbarg.'" '.
1.144 matthew 1830: 'onchange="'.$jscall.'" />',
1.281 albertel 1831: '<label><input type="radio" name="krbver" value="4" '.$check4.' />',
1832: '</label><label><input type="radio" name="krbver" value="5" '.$check5.' />',
1833: '</label>');
1.32 matthew 1834: return $result;
1835: }
1836:
1837: sub authform_internal{
1838: my %args = (
1839: formname => 'document.cu',
1840: kerb_def_dom => 'MSU.EDU',
1841: @_,
1842: );
1.165 raeburn 1843:
1844: my $intcheck = "";
1845: my $intarg = 'value=""';
1846: if ( grep/^curr_authtype$/,(keys %args) ) {
1847: if ($args{'curr_authtype'} eq 'int') {
1848: $intcheck = " checked=\"on\"";
1849: if ( grep/^curr_autharg$/,(keys %args) ) {
1850: $intarg = "value=\"$args{'curr_autharg'}\"";
1851: }
1852: }
1853: }
1854:
1.144 matthew 1855: my $jscall = "javascript:changed_radio('int',$args{'formname'});";
1856: my $result.=&mt
1857: ('[_1] Internally authenticated (with initial password [_2])',
1.281 albertel 1858: '<label><input type="radio" name="login" value="int" '.$intcheck.
1.165 raeburn 1859: ' onchange="'.$jscall.'" onclick="'.$jscall.'" />',
1.281 albertel 1860: '</label><input type="text" size="10" name="intarg" '.$intarg.
1.165 raeburn 1861: ' onchange="'.$jscall.'" />');
1.32 matthew 1862: return $result;
1863: }
1864:
1865: sub authform_local{
1866: my %in = (
1867: formname => 'document.cu',
1868: kerb_def_dom => 'MSU.EDU',
1869: @_,
1870: );
1.165 raeburn 1871:
1872: my $loccheck = "";
1873: my $locarg = 'value=""';
1874: if ( grep/^curr_authtype$/,(keys %in) ) {
1875: if ($in{'curr_authtype'} eq 'loc') {
1876: $loccheck = " checked=\"on\"";
1877: if ( grep/^curr_autharg$/,(keys %in) ) {
1878: $locarg = "value=\"$in{'curr_autharg'}\"";
1879: }
1880: }
1881: }
1882:
1.144 matthew 1883: my $jscall = "javascript:changed_radio('loc',$in{'formname'});";
1.160 matthew 1884: my $result.=&mt('[_1] Local Authentication with argument [_2]',
1.281 albertel 1885: '<label><input type="radio" name="login" value="loc" '.$loccheck.
1.165 raeburn 1886: ' onchange="'.$jscall.'" onclick="'.$jscall.'" />',
1.281 albertel 1887: '</label><input type="text" size="10" name="locarg" '.$locarg.
1.165 raeburn 1888: ' onchange="'.$jscall.'" />');
1.32 matthew 1889: return $result;
1890: }
1891:
1892: sub authform_filesystem{
1893: my %in = (
1894: formname => 'document.cu',
1895: kerb_def_dom => 'MSU.EDU',
1896: @_,
1897: );
1.144 matthew 1898: my $jscall = "javascript:changed_radio('fsys',$in{'formname'});";
1899: my $result.= &mt
1900: ('[_1] Filesystem Authenticated (with initial password [_2])',
1.281 albertel 1901: '<label><input type="radio" name="login" value="fsys" '.
1.144 matthew 1902: 'onchange="'.$jscall.'" onclick="'.$jscall.'" />',
1.281 albertel 1903: '</label><input type="text" size="10" name="fsysarg" value="" '.
1.144 matthew 1904: 'onchange="'.$jscall.'" />');
1.32 matthew 1905: return $result;
1906: }
1907:
1.80 albertel 1908: ###############################################################
1909: ## Get Authentication Defaults for Domain ##
1910: ###############################################################
1911:
1912: =pod
1913:
1.112 bowersj2 1914: =head1 Domains and Authentication
1915:
1916: Returns default authentication type and an associated argument as
1917: listed in file 'domain.tab'.
1918:
1919: =over 4
1920:
1921: =item * get_auth_defaults
1.80 albertel 1922:
1923: get_auth_defaults($target_domain) returns the default authentication
1924: type and an associated argument (initial password or a kerberos domain).
1925: These values are stored in lonTabs/domain.tab
1926:
1927: ($def_auth, $def_arg) = &get_auth_defaults($target_domain);
1928:
1929: If target_domain is not found in domain.tab, returns nothing ('').
1930:
1931: =cut
1932:
1933: #-------------------------------------------
1934: sub get_auth_defaults {
1935: my $domain=shift;
1.514 albertel 1936: return (&Apache::lonnet::domain($domain,'auth_def'),
1937: &Apache::lonnet::domain($domain,'auth_arg_def'));
1938:
1.80 albertel 1939: }
1940: ###############################################################
1941: ## End Get Authentication Defaults for Domain ##
1942: ###############################################################
1943:
1944: ###############################################################
1945: ## Get Kerberos Defaults for Domain ##
1946: ###############################################################
1947: ##
1948: ## Returns default kerberos version and an associated argument
1949: ## as listed in file domain.tab. If not listed, provides
1950: ## appropriate default domain and kerberos version.
1951: ##
1952: #-------------------------------------------
1953:
1954: =pod
1955:
1.112 bowersj2 1956: =item * get_kerberos_defaults
1.80 albertel 1957:
1958: get_kerberos_defaults($target_domain) returns the default kerberos
1959: version and domain. If not found in domain.tabs, it defaults to
1960: version 4 and the domain of the server.
1961:
1962: ($def_version, $def_krb_domain) = &get_kerberos_defaults($target_domain);
1963:
1964: =cut
1965:
1966: #-------------------------------------------
1967: sub get_kerberos_defaults {
1968: my $domain=shift;
1969: my ($krbdef,$krbdefdom) =
1970: &Apache::loncommon::get_auth_defaults($domain);
1971: unless ($krbdef =~/^krb/ && $krbdefdom) {
1972: $ENV{'SERVER_NAME'}=~/(\w+\.\w+)$/;
1973: my $krbdefdom=$1;
1974: $krbdefdom=~tr/a-z/A-Z/;
1975: $krbdef = "krb4";
1976: }
1977: return ($krbdef,$krbdefdom);
1978: }
1.112 bowersj2 1979:
1980: =pod
1981:
1982: =back
1983:
1984: =cut
1.32 matthew 1985:
1.46 matthew 1986: ###############################################################
1987: ## Thesaurus Functions ##
1988: ###############################################################
1.20 www 1989:
1.46 matthew 1990: =pod
1.20 www 1991:
1.112 bowersj2 1992: =head1 Thesaurus Functions
1993:
1994: =over 4
1995:
1996: =item * initialize_keywords
1.46 matthew 1997:
1998: Initializes the package variable %Keywords if it is empty. Uses the
1999: package variable $thesaurus_db_file.
2000:
2001: =cut
2002:
2003: ###################################################
2004:
2005: sub initialize_keywords {
2006: return 1 if (scalar keys(%Keywords));
2007: # If we are here, %Keywords is empty, so fill it up
2008: # Make sure the file we need exists...
2009: if (! -e $thesaurus_db_file) {
2010: &Apache::lonnet::logthis("Attempt to access $thesaurus_db_file".
2011: " failed because it does not exist");
2012: return 0;
2013: }
2014: # Set up the hash as a database
2015: my %thesaurus_db;
2016: if (! tie(%thesaurus_db,'GDBM_File',
1.53 albertel 2017: $thesaurus_db_file,&GDBM_READER(),0640)){
1.46 matthew 2018: &Apache::lonnet::logthis("Could not tie \%thesaurus_db to ".
2019: $thesaurus_db_file);
2020: return 0;
2021: }
2022: # Get the average number of appearances of a word.
2023: my $avecount = $thesaurus_db{'average.count'};
2024: # Put keywords (those that appear > average) into %Keywords
2025: while (my ($word,$data)=each (%thesaurus_db)) {
2026: my ($count,undef) = split /:/,$data;
2027: $Keywords{$word}++ if ($count > $avecount);
2028: }
2029: untie %thesaurus_db;
2030: # Remove special values from %Keywords.
1.356 albertel 2031: foreach my $value ('total.count','average.count') {
2032: delete($Keywords{$value}) if (exists($Keywords{$value}));
1.46 matthew 2033: }
2034: return 1;
2035: }
2036:
2037: ###################################################
2038:
2039: =pod
2040:
1.112 bowersj2 2041: =item * keyword($word)
1.46 matthew 2042:
2043: Returns true if $word is a keyword. A keyword is a word that appears more
2044: than the average number of times in the thesaurus database. Calls
2045: &initialize_keywords
2046:
2047: =cut
2048:
2049: ###################################################
1.20 www 2050:
2051: sub keyword {
1.46 matthew 2052: return if (!&initialize_keywords());
2053: my $word=lc(shift());
2054: $word=~s/\W//g;
2055: return exists($Keywords{$word});
1.20 www 2056: }
1.46 matthew 2057:
2058: ###############################################################
2059:
2060: =pod
1.20 www 2061:
1.112 bowersj2 2062: =item * get_related_words
1.46 matthew 2063:
1.160 matthew 2064: Look up a word in the thesaurus. Takes a scalar argument and returns
1.46 matthew 2065: an array of words. If the keyword is not in the thesaurus, an empty array
2066: will be returned. The order of the words returned is determined by the
2067: database which holds them.
2068:
2069: Uses global $thesaurus_db_file.
2070:
2071: =cut
2072:
2073: ###############################################################
2074: sub get_related_words {
2075: my $keyword = shift;
2076: my %thesaurus_db;
2077: if (! -e $thesaurus_db_file) {
2078: &Apache::lonnet::logthis("Attempt to access $thesaurus_db_file ".
2079: "failed because the file does not exist");
2080: return ();
2081: }
2082: if (! tie(%thesaurus_db,'GDBM_File',
1.53 albertel 2083: $thesaurus_db_file,&GDBM_READER(),0640)){
1.46 matthew 2084: return ();
2085: }
2086: my @Words=();
1.429 www 2087: my $count=0;
1.46 matthew 2088: if (exists($thesaurus_db{$keyword})) {
1.356 albertel 2089: # The first element is the number of times
2090: # the word appears. We do not need it now.
1.429 www 2091: my (undef,@RelatedWords) = (split(/:/,$thesaurus_db{$keyword}));
2092: my (undef,$mostfrequentcount)=split(/\,/,$RelatedWords[0]);
2093: my $threshold=$mostfrequentcount/10;
2094: foreach my $possibleword (@RelatedWords) {
2095: my ($word,$wordcount)=split(/\,/,$possibleword);
2096: if ($wordcount>$threshold) {
2097: push(@Words,$word);
2098: $count++;
2099: if ($count>10) { last; }
2100: }
1.20 www 2101: }
2102: }
1.46 matthew 2103: untie %thesaurus_db;
2104: return @Words;
1.14 harris41 2105: }
1.46 matthew 2106:
1.112 bowersj2 2107: =pod
2108:
2109: =back
2110:
2111: =cut
1.61 www 2112:
2113: # -------------------------------------------------------------- Plaintext name
1.81 albertel 2114: =pod
2115:
1.112 bowersj2 2116: =head1 User Name Functions
2117:
2118: =over 4
2119:
1.226 albertel 2120: =item * plainname($uname,$udom,$first)
1.81 albertel 2121:
1.112 bowersj2 2122: Takes a users logon name and returns it as a string in
1.226 albertel 2123: "first middle last generation" form
2124: if $first is set to 'lastname' then it returns it as
2125: 'lastname generation, firstname middlename' if their is a lastname
1.81 albertel 2126:
2127: =cut
1.61 www 2128:
1.295 www 2129:
1.81 albertel 2130: ###############################################################
1.61 www 2131: sub plainname {
1.226 albertel 2132: my ($uname,$udom,$first)=@_;
1.537 albertel 2133: return if (!defined($uname) || !defined($udom));
1.295 www 2134: my %names=&getnames($uname,$udom);
1.226 albertel 2135: my $name=&Apache::lonnet::format_name($names{'firstname'},
2136: $names{'middlename'},
2137: $names{'lastname'},
2138: $names{'generation'},$first);
2139: $name=~s/^\s+//;
1.62 www 2140: $name=~s/\s+$//;
2141: $name=~s/\s+/ /g;
1.353 albertel 2142: if ($name !~ /\S/) { $name=$uname.':'.$udom; }
1.62 www 2143: return $name;
1.61 www 2144: }
1.66 www 2145:
2146: # -------------------------------------------------------------------- Nickname
1.81 albertel 2147: =pod
2148:
1.112 bowersj2 2149: =item * nickname($uname,$udom)
1.81 albertel 2150:
2151: Gets a users name and returns it as a string as
2152:
2153: ""nickname""
1.66 www 2154:
1.81 albertel 2155: if the user has a nickname or
2156:
2157: "first middle last generation"
2158:
2159: if the user does not
2160:
2161: =cut
1.66 www 2162:
2163: sub nickname {
2164: my ($uname,$udom)=@_;
1.537 albertel 2165: return if (!defined($uname) || !defined($udom));
1.295 www 2166: my %names=&getnames($uname,$udom);
1.68 albertel 2167: my $name=$names{'nickname'};
1.66 www 2168: if ($name) {
2169: $name='"'.$name.'"';
2170: } else {
2171: $name=$names{'firstname'}.' '.$names{'middlename'}.' '.
2172: $names{'lastname'}.' '.$names{'generation'};
2173: $name=~s/\s+$//;
2174: $name=~s/\s+/ /g;
2175: }
2176: return $name;
2177: }
2178:
1.295 www 2179: sub getnames {
2180: my ($uname,$udom)=@_;
1.537 albertel 2181: return if (!defined($uname) || !defined($udom));
1.433 albertel 2182: if ($udom eq 'public' && $uname eq 'public') {
2183: return ('lastname' => &mt('Public'));
2184: }
1.295 www 2185: my $id=$uname.':'.$udom;
2186: my ($names,$cached)=&Apache::lonnet::is_cached_new('namescache',$id);
2187: if ($cached) {
2188: return %{$names};
2189: } else {
2190: my %loadnames=&Apache::lonnet::get('environment',
2191: ['firstname','middlename','lastname','generation','nickname'],
2192: $udom,$uname);
2193: &Apache::lonnet::do_cache_new('namescache',$id,\%loadnames);
2194: return %loadnames;
2195: }
2196: }
1.61 www 2197:
1.542 raeburn 2198: # -------------------------------------------------------------------- getemails
2199: =pod
2200:
2201: =item * getemails($uname,$udom)
2202:
2203: Gets a user's email information and returns it as a hash with keys:
2204: notification, critnotification, permanentemail
2205:
2206: For notification and critnotification, values are comma-separated lists
2207: of e-mail address(es); for permanentemail, value is a single e-mail address.
2208:
2209: =cut
2210:
1.466 albertel 2211: sub getemails {
2212: my ($uname,$udom)=@_;
2213: if ($udom eq 'public' && $uname eq 'public') {
2214: return;
2215: }
1.467 www 2216: if (!$udom) { $udom=$env{'user.domain'}; }
2217: if (!$uname) { $uname=$env{'user.name'}; }
1.466 albertel 2218: my $id=$uname.':'.$udom;
2219: my ($names,$cached)=&Apache::lonnet::is_cached_new('emailscache',$id);
2220: if ($cached) {
2221: return %{$names};
2222: } else {
2223: my %loadnames=&Apache::lonnet::get('environment',
2224: ['notification','critnotification',
2225: 'permanentemail'],
2226: $udom,$uname);
2227: &Apache::lonnet::do_cache_new('emailscache',$id,\%loadnames);
2228: return %loadnames;
2229: }
2230: }
2231:
1.551 albertel 2232: sub flush_email_cache {
2233: my ($uname,$udom)=@_;
2234: if (!$udom) { $udom =$env{'user.domain'}; }
2235: if (!$uname) { $uname=$env{'user.name'}; }
2236: return if ($udom eq 'public' && $uname eq 'public');
2237: my $id=$uname.':'.$udom;
2238: &Apache::lonnet::devalidate_cache_new('emailscache',$id);
2239: }
2240:
1.61 www 2241: # ------------------------------------------------------------------ Screenname
1.81 albertel 2242:
2243: =pod
2244:
1.112 bowersj2 2245: =item * screenname($uname,$udom)
1.81 albertel 2246:
2247: Gets a users screenname and returns it as a string
2248:
2249: =cut
1.61 www 2250:
2251: sub screenname {
2252: my ($uname,$udom)=@_;
1.258 albertel 2253: if ($uname eq $env{'user.name'} &&
2254: $udom eq $env{'user.domain'}) {return $env{'environment.screenname'};}
1.212 albertel 2255: my %names=&Apache::lonnet::get('environment',['screenname'],$udom,$uname);
1.68 albertel 2256: return $names{'screenname'};
1.62 www 2257: }
2258:
1.212 albertel 2259:
1.62 www 2260: # ------------------------------------------------------------- Message Wrapper
2261:
2262: sub messagewrapper {
1.369 www 2263: my ($link,$username,$domain,$subject,$text)=@_;
1.62 www 2264: return
1.441 albertel 2265: '<a href="/adm/email?compose=individual&'.
2266: 'recname='.$username.'&recdom='.$domain.
2267: '&subject='.&escape($subject).'&text='.&escape($text).'" '.
1.200 matthew 2268: 'title="'.&mt('Send message').'">'.$link.'</a>';
1.74 www 2269: }
2270: # --------------------------------------------------------------- Notes Wrapper
2271:
2272: sub noteswrapper {
2273: my ($link,$un,$do)=@_;
2274: return
2275: "<a href='/adm/email?recordftf=retrieve&recname=$un&recdom=$do'>$link</a>";
1.62 www 2276: }
2277: # ------------------------------------------------------------- Aboutme Wrapper
2278:
2279: sub aboutmewrapper {
1.166 www 2280: my ($link,$username,$domain,$target)=@_;
1.447 raeburn 2281: if (!defined($username) && !defined($domain)) {
2282: return;
2283: }
1.205 www 2284: return '<a href="/adm/'.$domain.'/'.$username.'/aboutme"'.
1.454 banghart 2285: ($target?' target="$target"':'').' title="'.&mt("View this user's personal page").'">'.$link.'</a>';
1.62 www 2286: }
2287:
2288: # ------------------------------------------------------------ Syllabus Wrapper
2289:
2290:
2291: sub syllabuswrapper {
1.109 matthew 2292: my ($linktext,$coursedir,$domain,$fontcolor)=@_;
2293: if ($fontcolor) {
2294: $linktext='<font color="'.$fontcolor.'">'.$linktext.'</font>';
2295: }
1.208 matthew 2296: return qq{<a href="/public/$domain/$coursedir/syllabus">$linktext</a>};
1.61 www 2297: }
1.14 harris41 2298:
1.208 matthew 2299: sub track_student_link {
1.268 albertel 2300: my ($linktext,$sname,$sdom,$target,$start) = @_;
2301: my $link ="/adm/trackstudent?";
1.208 matthew 2302: my $title = 'View recent activity';
2303: if (defined($sname) && $sname !~ /^\s*$/ &&
2304: defined($sdom) && $sdom !~ /^\s*$/) {
1.268 albertel 2305: $link .= "selected_student=$sname:$sdom";
1.208 matthew 2306: $title .= ' of this student';
1.268 albertel 2307: }
1.208 matthew 2308: if (defined($target) && $target !~ /^\s*$/) {
2309: $target = qq{target="$target"};
2310: } else {
2311: $target = '';
2312: }
1.268 albertel 2313: if ($start) { $link.='&start='.$start; }
1.554 albertel 2314: $title = &mt($title);
2315: $linktext = &mt($linktext);
1.448 albertel 2316: return qq{<a href="$link" title="$title" $target>$linktext</a>}.
2317: &help_open_topic('View_recent_activity');
1.208 matthew 2318: }
2319:
1.508 www 2320: # ===================================================== Display a student photo
2321:
2322:
1.509 albertel 2323: sub student_image_tag {
1.508 www 2324: my ($domain,$user)=@_;
2325: my $imgsrc=&Apache::lonnet::studentphoto($domain,$user,'jpg');
2326: if (($imgsrc) && ($imgsrc ne '/adm/lonKaputt/lonlogo_broken.gif')) {
2327: return '<img src="'.$imgsrc.'" align="right" />';
2328: } else {
2329: return '';
2330: }
2331: }
2332:
1.112 bowersj2 2333: =pod
2334:
2335: =back
2336:
2337: =head1 Access .tab File Data
2338:
2339: =over 4
2340:
2341: =item * languageids()
2342:
2343: returns list of all language ids
2344:
2345: =cut
2346:
1.14 harris41 2347: sub languageids {
1.16 harris41 2348: return sort(keys(%language));
1.14 harris41 2349: }
2350:
1.112 bowersj2 2351: =pod
2352:
2353: =item * languagedescription()
2354:
2355: returns description of a specified language id
2356:
2357: =cut
2358:
1.14 harris41 2359: sub languagedescription {
1.125 www 2360: my $code=shift;
2361: return ($supported_language{$code}?'* ':'').
2362: $language{$code}.
1.126 www 2363: ($supported_language{$code}?' ('.&mt('interface available').')':'');
1.145 www 2364: }
2365:
2366: sub plainlanguagedescription {
2367: my $code=shift;
2368: return $language{$code};
2369: }
2370:
2371: sub supportedlanguagecode {
2372: my $code=shift;
2373: return $supported_language{$code};
1.97 www 2374: }
2375:
1.112 bowersj2 2376: =pod
2377:
2378: =item * copyrightids()
2379:
2380: returns list of all copyrights
2381:
2382: =cut
2383:
2384: sub copyrightids {
2385: return sort(keys(%cprtag));
2386: }
2387:
2388: =pod
2389:
2390: =item * copyrightdescription()
2391:
2392: returns description of a specified copyright id
2393:
2394: =cut
2395:
2396: sub copyrightdescription {
1.166 www 2397: return &mt($cprtag{shift(@_)});
1.112 bowersj2 2398: }
1.197 matthew 2399:
2400: =pod
2401:
1.192 taceyjo1 2402: =item * source_copyrightids()
2403:
2404: returns list of all source copyrights
2405:
2406: =cut
2407:
2408: sub source_copyrightids {
2409: return sort(keys(%scprtag));
2410: }
2411:
2412: =pod
2413:
2414: =item * source_copyrightdescription()
2415:
2416: returns description of a specified source copyright id
2417:
2418: =cut
2419:
2420: sub source_copyrightdescription {
2421: return &mt($scprtag{shift(@_)});
2422: }
1.112 bowersj2 2423:
2424: =pod
2425:
2426: =item * filecategories()
2427:
2428: returns list of all file categories
2429:
2430: =cut
2431:
2432: sub filecategories {
2433: return sort(keys(%category_extensions));
2434: }
2435:
2436: =pod
2437:
2438: =item * filecategorytypes()
2439:
2440: returns list of file types belonging to a given file
2441: category
2442:
2443: =cut
2444:
2445: sub filecategorytypes {
1.356 albertel 2446: my ($cat) = @_;
2447: return @{$category_extensions{lc($cat)}};
1.112 bowersj2 2448: }
2449:
2450: =pod
2451:
2452: =item * fileembstyle()
2453:
2454: returns embedding style for a specified file type
2455:
2456: =cut
2457:
2458: sub fileembstyle {
2459: return $fe{lc(shift(@_))};
1.169 www 2460: }
2461:
1.351 www 2462: sub filemimetype {
2463: return $fm{lc(shift(@_))};
2464: }
2465:
1.169 www 2466:
2467: sub filecategoryselect {
2468: my ($name,$value)=@_;
1.189 matthew 2469: return &select_form($value,$name,
1.169 www 2470: '' => &mt('Any category'),
2471: map { $_,$_ } sort(keys(%category_extensions)));
1.112 bowersj2 2472: }
2473:
2474: =pod
2475:
2476: =item * filedescription()
2477:
2478: returns description for a specified file type
2479:
2480: =cut
2481:
2482: sub filedescription {
1.188 matthew 2483: my $file_description = $fd{lc(shift())};
2484: $file_description =~ s:([\[\]]):~$1:g;
2485: return &mt($file_description);
1.112 bowersj2 2486: }
2487:
2488: =pod
2489:
2490: =item * filedescriptionex()
2491:
2492: returns description for a specified file type with
2493: extra formatting
2494:
2495: =cut
2496:
2497: sub filedescriptionex {
2498: my $ex=shift;
1.188 matthew 2499: my $file_description = $fd{lc($ex)};
2500: $file_description =~ s:([\[\]]):~$1:g;
2501: return '.'.$ex.' '.&mt($file_description);
1.112 bowersj2 2502: }
2503:
2504: # End of .tab access
2505: =pod
2506:
2507: =back
2508:
2509: =cut
2510:
2511: # ------------------------------------------------------------------ File Types
2512: sub fileextensions {
2513: return sort(keys(%fe));
2514: }
2515:
1.97 www 2516: # ----------------------------------------------------------- Display Languages
2517: # returns a hash with all desired display languages
2518: #
2519:
2520: sub display_languages {
2521: my %languages=();
1.356 albertel 2522: foreach my $lang (&preferred_languages()) {
2523: $languages{$lang}=1;
1.97 www 2524: }
2525: &get_unprocessed_cgi($ENV{'QUERY_STRING'},['displaylanguage']);
1.258 albertel 2526: if ($env{'form.displaylanguage'}) {
1.356 albertel 2527: foreach my $lang (split(/\s*(\,|\;|\:)\s*/,$env{'form.displaylanguage'})) {
2528: $languages{$lang}=1;
1.97 www 2529: }
2530: }
2531: return %languages;
1.14 harris41 2532: }
2533:
1.117 www 2534: sub preferred_languages {
2535: my @languages=();
1.258 albertel 2536: if ($env{'course.'.$env{'request.course.id'}.'.languages'}) {
1.117 www 2537: @languages=(@languages,split(/\s*(\,|\;|\:)\s*/,
1.258 albertel 2538: $env{'course.'.$env{'request.course.id'}.'.languages'}));
1.177 www 2539: }
1.258 albertel 2540: if ($env{'environment.languages'}) {
1.459 albertel 2541: @languages=(@languages,
2542: split(/\s*(\,|\;|\:)\s*/,$env{'environment.languages'}));
1.118 www 2543: }
1.162 www 2544: my $browser=(split(/\;/,$ENV{'HTTP_ACCEPT_LANGUAGE'}))[0];
2545: if ($browser) {
2546: @languages=(@languages,split(/\s*(\,|\;|\:)\s*/,$browser));
2547: }
1.514 albertel 2548: if (&Apache::lonnet::domain($env{'user.domain'},'lang_def')) {
1.118 www 2549: @languages=(@languages,
1.514 albertel 2550: &Apache::lonnet::domain($env{'user.domain'},
2551: 'lang_def'));
1.118 www 2552: }
1.514 albertel 2553: if (&Apache::lonnet::domain($env{'request.role.domain'},'lang_def')) {
1.118 www 2554: @languages=(@languages,
1.514 albertel 2555: &Apache::lonnet::domain($env{'request.role.domain'},
2556: 'lang_def'));
1.118 www 2557: }
1.514 albertel 2558: if (&Apache::lonnet::domain($Apache::lonnet::perlvar{'lonDefDomain'},
2559: 'lang_def')) {
1.118 www 2560: @languages=(@languages,
1.514 albertel 2561: &Apache::lonnet::domain($Apache::lonnet::perlvar{'lonDefDomain'},
2562: 'lang_def'));
1.118 www 2563: }
2564: # turn "en-ca" into "en-ca,en"
2565: my @genlanguages;
1.356 albertel 2566: foreach my $lang (@languages) {
2567: unless ($lang=~/\w/) { next; }
2568: push (@genlanguages,$lang);
2569: if ($lang=~/(\-|\_)/) {
2570: push(@genlanguages,(split(/(\-|\_)/,$lang))[0]);
1.118 www 2571: }
2572: }
2573: return @genlanguages;
1.117 www 2574: }
2575:
1.112 bowersj2 2576: ###############################################################
2577: ## Student Answer Attempts ##
2578: ###############################################################
2579:
2580: =pod
2581:
2582: =head1 Alternate Problem Views
2583:
2584: =over 4
2585:
2586: =item * get_previous_attempt($symb, $username, $domain, $course,
2587: $getattempt, $regexp, $gradesub)
2588:
2589: Return string with previous attempt on problem. Arguments:
2590:
2591: =over 4
2592:
2593: =item * $symb: Problem, including path
2594:
2595: =item * $username: username of the desired student
2596:
2597: =item * $domain: domain of the desired student
1.14 harris41 2598:
1.112 bowersj2 2599: =item * $course: Course ID
1.14 harris41 2600:
1.112 bowersj2 2601: =item * $getattempt: Leave blank for all attempts, otherwise put
2602: something
1.14 harris41 2603:
1.112 bowersj2 2604: =item * $regexp: if string matches this regexp, the string will be
2605: sent to $gradesub
1.14 harris41 2606:
1.112 bowersj2 2607: =item * $gradesub: routine that processes the string if it matches $regexp
1.14 harris41 2608:
1.112 bowersj2 2609: =back
1.14 harris41 2610:
1.112 bowersj2 2611: The output string is a table containing all desired attempts, if any.
1.16 harris41 2612:
1.112 bowersj2 2613: =cut
1.1 albertel 2614:
2615: sub get_previous_attempt {
1.43 ng 2616: my ($symb,$username,$domain,$course,$getattempt,$regexp,$gradesub)=@_;
1.1 albertel 2617: my $prevattempts='';
1.43 ng 2618: no strict 'refs';
1.1 albertel 2619: if ($symb) {
1.3 albertel 2620: my (%returnhash)=
2621: &Apache::lonnet::restore($symb,$course,$domain,$username);
1.1 albertel 2622: if ($returnhash{'version'}) {
2623: my %lasthash=();
2624: my $version;
2625: for ($version=1;$version<=$returnhash{'version'};$version++) {
1.356 albertel 2626: foreach my $key (sort(split(/\:/,$returnhash{$version.':keys'}))) {
2627: $lasthash{$key}=$returnhash{$version.':'.$key};
1.19 harris41 2628: }
1.1 albertel 2629: }
1.43 ng 2630: $prevattempts='<table border="0" width="100%"><tr><td bgcolor="#777777">';
1.40 ng 2631: $prevattempts.='<table border="0" width="100%"><tr bgcolor="#e6ffff"><td>History</td>';
1.356 albertel 2632: foreach my $key (sort(keys(%lasthash))) {
2633: my ($ign,@parts) = split(/\./,$key);
1.41 ng 2634: if ($#parts > 0) {
1.31 albertel 2635: my $data=$parts[-1];
2636: pop(@parts);
1.40 ng 2637: $prevattempts.='<td>Part '.join('.',@parts).'<br />'.$data.' </td>';
1.31 albertel 2638: } else {
1.41 ng 2639: if ($#parts == 0) {
2640: $prevattempts.='<th>'.$parts[0].'</th>';
2641: } else {
2642: $prevattempts.='<th>'.$ign.'</th>';
2643: }
1.31 albertel 2644: }
1.16 harris41 2645: }
1.40 ng 2646: if ($getattempt eq '') {
2647: for ($version=1;$version<=$returnhash{'version'};$version++) {
2648: $prevattempts.='</tr><tr bgcolor="#ffffe6"><td>Transaction '.$version.'</td>';
1.356 albertel 2649: foreach my $key (sort(keys(%lasthash))) {
1.40 ng 2650: my $value;
1.356 albertel 2651: if ($key =~ /timestamp/) {
2652: $value=scalar(localtime($returnhash{$version.':'.$key}));
1.40 ng 2653: } else {
1.356 albertel 2654: $value=$returnhash{$version.':'.$key};
1.40 ng 2655: }
1.369 www 2656: $prevattempts.='<td>'.&unescape($value).' </td>';
1.40 ng 2657: }
2658: }
1.1 albertel 2659: }
1.40 ng 2660: $prevattempts.='</tr><tr bgcolor="#ffffe6"><td>Current</td>';
1.356 albertel 2661: foreach my $key (sort(keys(%lasthash))) {
1.5 albertel 2662: my $value;
1.356 albertel 2663: if ($key =~ /timestamp/) {
2664: $value=scalar(localtime($lasthash{$key}));
1.5 albertel 2665: } else {
1.356 albertel 2666: $value=$lasthash{$key};
1.5 albertel 2667: }
1.369 www 2668: $value=&unescape($value);
1.356 albertel 2669: if ($key =~/$regexp$/ && (defined &$gradesub)) {$value = &$gradesub($value)}
1.40 ng 2670: $prevattempts.='<td>'.$value.' </td>';
1.16 harris41 2671: }
1.40 ng 2672: $prevattempts.='</tr></table></td></tr></table>';
1.1 albertel 2673: } else {
2674: $prevattempts='Nothing submitted - no attempts.';
2675: }
2676: } else {
2677: $prevattempts='No data.';
2678: }
1.10 albertel 2679: }
2680:
1.107 albertel 2681: sub relative_to_absolute {
2682: my ($url,$output)=@_;
2683: my $parser=HTML::TokeParser->new(\$output);
2684: my $token;
2685: my $thisdir=$url;
2686: my @rlinks=();
2687: while ($token=$parser->get_token) {
2688: if ($token->[0] eq 'S') {
2689: if ($token->[1] eq 'a') {
2690: if ($token->[2]->{'href'}) {
2691: $rlinks[$#rlinks+1]=$token->[2]->{'href'};
2692: }
2693: } elsif ($token->[1] eq 'img' || $token->[1] eq 'embed' ) {
2694: $rlinks[$#rlinks+1]=$token->[2]->{'src'};
2695: } elsif ($token->[1] eq 'base') {
2696: $thisdir=$token->[2]->{'href'};
2697: }
2698: }
2699: }
2700: $thisdir=~s-/[^/]*$--;
1.356 albertel 2701: foreach my $link (@rlinks) {
2702: unless (($link=~/^http:\/\//i) ||
2703: ($link=~/^\//) ||
2704: ($link=~/^javascript:/i) ||
2705: ($link=~/^mailto:/i) ||
2706: ($link=~/^\#/)) {
2707: my $newlocation=&Apache::lonnet::hreflocation($thisdir,$link);
2708: $output=~s/(\"|\'|\=\s*)\Q$link\E(\"|\'|\s|\>)/$1$newlocation$2/;
1.107 albertel 2709: }
2710: }
2711: # -------------------------------------------------- Deal with Applet codebases
2712: $output=~s/(\<applet[^\>]+)(codebase\=[^\S\>]+)*([^\>]*)\>/$1.($2?$2:' codebase="'.$thisdir.'"').$3.'>'/gei;
2713: return $output;
2714: }
2715:
1.112 bowersj2 2716: =pod
2717:
2718: =item * get_student_view
2719:
2720: show a snapshot of what student was looking at
2721:
2722: =cut
2723:
1.10 albertel 2724: sub get_student_view {
1.186 albertel 2725: my ($symb,$username,$domain,$courseid,$target,$moreenv) = @_;
1.114 www 2726: my ($map,$id,$feedurl) = &Apache::lonnet::decode_symb($symb);
1.186 albertel 2727: my (%form);
1.10 albertel 2728: my @elements=('symb','courseid','domain','username');
2729: foreach my $element (@elements) {
1.186 albertel 2730: $form{'grade_'.$element}=eval '$'.$element #'
1.10 albertel 2731: }
1.186 albertel 2732: if (defined($moreenv)) {
2733: %form=(%form,%{$moreenv});
2734: }
1.236 albertel 2735: if (defined($target)) { $form{'grade_target'} = $target; }
1.107 albertel 2736: $feedurl=&Apache::lonnet::clutter($feedurl);
1.186 albertel 2737: my $userview=&Apache::lonnet::ssi_body($feedurl,%form);
1.11 albertel 2738: $userview=~s/\<body[^\>]*\>//gi;
2739: $userview=~s/\<\/body\>//gi;
2740: $userview=~s/\<html\>//gi;
2741: $userview=~s/\<\/html\>//gi;
2742: $userview=~s/\<head\>//gi;
2743: $userview=~s/\<\/head\>//gi;
2744: $userview=~s/action\s*\=/would_be_action\=/gi;
1.107 albertel 2745: $userview=&relative_to_absolute($feedurl,$userview);
1.11 albertel 2746: return $userview;
2747: }
2748:
1.112 bowersj2 2749: =pod
2750:
2751: =item * get_student_answers()
2752:
2753: show a snapshot of how student was answering problem
2754:
2755: =cut
2756:
1.11 albertel 2757: sub get_student_answers {
1.100 sakharuk 2758: my ($symb,$username,$domain,$courseid,%form) = @_;
1.114 www 2759: my ($map,$id,$feedurl) = &Apache::lonnet::decode_symb($symb);
1.186 albertel 2760: my (%moreenv);
1.11 albertel 2761: my @elements=('symb','courseid','domain','username');
2762: foreach my $element (@elements) {
1.186 albertel 2763: $moreenv{'grade_'.$element}=eval '$'.$element #'
1.10 albertel 2764: }
1.186 albertel 2765: $moreenv{'grade_target'}='answer';
2766: %moreenv=(%form,%moreenv);
1.497 raeburn 2767: $feedurl = &Apache::lonnet::clutter($feedurl);
2768: my $userview=&Apache::lonnet::ssi($feedurl,%moreenv);
1.10 albertel 2769: return $userview;
1.1 albertel 2770: }
1.116 albertel 2771:
2772: =pod
2773:
2774: =item * &submlink()
2775:
1.242 albertel 2776: Inputs: $text $uname $udom $symb $target
1.116 albertel 2777:
2778: Returns: A link to grades.pm such as to see the SUBM view of a student
2779:
2780: =cut
2781:
2782: ###############################################
2783: sub submlink {
1.242 albertel 2784: my ($text,$uname,$udom,$symb,$target)=@_;
1.116 albertel 2785: if (!($uname && $udom)) {
2786: (my $cursymb, my $courseid,$udom,$uname)=
1.463 albertel 2787: &Apache::lonnet::whichuser($symb);
1.116 albertel 2788: if (!$symb) { $symb=$cursymb; }
2789: }
1.254 matthew 2790: if (!$symb) { $symb=&Apache::lonnet::symbread(); }
1.369 www 2791: $symb=&escape($symb);
1.242 albertel 2792: if ($target) { $target="target=\"$target\""; }
2793: return '<a href="/adm/grades?&command=submission&'.
2794: 'symb='.$symb.'&student='.$uname.
2795: '&userdom='.$udom.'" '.$target.'>'.$text.'</a>';
2796: }
2797: ##############################################
2798:
2799: =pod
2800:
2801: =item * &pgrdlink()
2802:
2803: Inputs: $text $uname $udom $symb $target
2804:
2805: Returns: A link to grades.pm such as to see the PGRD view of a student
2806:
2807: =cut
2808:
2809: ###############################################
2810: sub pgrdlink {
2811: my $link=&submlink(@_);
2812: $link=~s/(&command=submission)/$1&showgrading=yes/;
2813: return $link;
2814: }
2815: ##############################################
2816:
2817: =pod
2818:
2819: =item * &pprmlink()
2820:
2821: Inputs: $text $uname $udom $symb $target
2822:
2823: Returns: A link to parmset.pm such as to see the PPRM view of a
1.283 albertel 2824: student and a specific resource
1.242 albertel 2825:
2826: =cut
2827:
2828: ###############################################
2829: sub pprmlink {
2830: my ($text,$uname,$udom,$symb,$target)=@_;
2831: if (!($uname && $udom)) {
2832: (my $cursymb, my $courseid,$udom,$uname)=
1.463 albertel 2833: &Apache::lonnet::whichuser($symb);
1.242 albertel 2834: if (!$symb) { $symb=$cursymb; }
2835: }
1.254 matthew 2836: if (!$symb) { $symb=&Apache::lonnet::symbread(); }
1.369 www 2837: $symb=&escape($symb);
1.242 albertel 2838: if ($target) { $target="target=\"$target\""; }
2839: return '<a href="/adm/parmset?&command=set&'.
2840: 'symb='.$symb.'&uname='.$uname.
2841: '&udom='.$udom.'" '.$target.'>'.$text.'</a>';
1.116 albertel 2842: }
2843: ##############################################
1.37 matthew 2844:
1.112 bowersj2 2845: =pod
2846:
2847: =back
2848:
2849: =cut
2850:
1.37 matthew 2851: ###############################################
1.51 www 2852:
2853:
2854: sub timehash {
2855: my @ltime=localtime(shift);
2856: return ( 'seconds' => $ltime[0],
2857: 'minutes' => $ltime[1],
2858: 'hours' => $ltime[2],
2859: 'day' => $ltime[3],
2860: 'month' => $ltime[4]+1,
2861: 'year' => $ltime[5]+1900,
2862: 'weekday' => $ltime[6],
2863: 'dayyear' => $ltime[7]+1,
2864: 'dlsav' => $ltime[8] );
2865: }
2866:
1.370 www 2867: sub utc_string {
2868: my ($date)=@_;
1.371 www 2869: return strftime("%Y%m%dT%H%M%SZ",gmtime($date));
1.370 www 2870: }
2871:
1.51 www 2872: sub maketime {
2873: my %th=@_;
2874: return POSIX::mktime(
2875: ($th{'seconds'},$th{'minutes'},$th{'hours'},
1.210 www 2876: $th{'day'},$th{'month'}-1,$th{'year'}-1900,0,0,-1));
1.70 www 2877: }
2878:
2879: #########################################
1.51 www 2880:
2881: sub findallcourses {
1.482 raeburn 2882: my ($roles,$uname,$udom) = @_;
1.355 albertel 2883: my %roles;
2884: if (ref($roles)) { %roles = map { $_ => 1 } @{$roles}; }
1.348 albertel 2885: my %courses;
1.51 www 2886: my $now=time;
1.482 raeburn 2887: if (!defined($uname)) {
2888: $uname = $env{'user.name'};
2889: }
2890: if (!defined($udom)) {
2891: $udom = $env{'user.domain'};
2892: }
2893: if (($uname ne $env{'user.name'}) || ($udom ne $env{'user.domain'})) {
2894: my %roleshash = &Apache::lonnet::dump('roles',$udom,$uname);
2895: if (!%roles) {
2896: %roles = (
2897: cc => 1,
2898: in => 1,
2899: ep => 1,
2900: ta => 1,
2901: cr => 1,
2902: st => 1,
2903: );
2904: }
2905: foreach my $entry (keys(%roleshash)) {
2906: my ($trole,$tend,$tstart) = split(/_/,$roleshash{$entry});
2907: if ($trole =~ /^cr/) {
2908: next if (!exists($roles{$trole}) && !exists($roles{'cr'}));
2909: } else {
2910: next if (!exists($roles{$trole}));
2911: }
2912: if ($tend) {
2913: next if ($tend < $now);
2914: }
2915: if ($tstart) {
2916: next if ($tstart > $now);
2917: }
2918: my ($cdom,$cnum,$sec,$cnumpart,$secpart,$role,$realsec);
2919: (undef,$cdom,$cnumpart,$secpart) = split(/\//,$entry);
2920: if ($secpart eq '') {
2921: ($cnum,$role) = split(/_/,$cnumpart);
2922: $sec = 'none';
2923: $realsec = '';
2924: } else {
2925: $cnum = $cnumpart;
2926: ($sec,$role) = split(/_/,$secpart);
2927: $realsec = $sec;
1.490 raeburn 2928: }
1.482 raeburn 2929: $courses{$cdom.'_'.$cnum}{$sec} = $trole.'/'.$cdom.'/'.$cnum.'/'.$realsec;
2930: }
2931: } else {
2932: foreach my $key (keys(%env)) {
1.483 albertel 2933: if ( $key=~m{^user\.role\.(\w+)\./($match_domain)/($match_courseid)/?(\w*)$} ||
2934: $key=~m{^user\.role\.(cr/$match_domain/$match_username/\w+)\./($match_domain)/($match_courseid)/?(\w*)$}) {
1.482 raeburn 2935: my ($role,$cdom,$cnum,$sec) = ($1,$2,$3,$4);
2936: next if ($role eq 'ca' || $role eq 'aa');
2937: next if (%roles && !exists($roles{$role}));
2938: my ($starttime,$endtime)=split(/\./,$env{$key});
2939: my $active=1;
2940: if ($starttime) {
2941: if ($now<$starttime) { $active=0; }
2942: }
2943: if ($endtime) {
2944: if ($now>$endtime) { $active=0; }
2945: }
2946: if ($active) {
2947: if ($sec eq '') {
2948: $sec = 'none';
2949: }
2950: $courses{$cdom.'_'.$cnum}{$sec} =
2951: $role.'/'.$cdom.'/'.$cnum.'/'.$sec;
1.474 raeburn 2952: }
2953: }
1.51 www 2954: }
2955: }
1.474 raeburn 2956: return %courses;
1.51 www 2957: }
1.37 matthew 2958:
1.54 www 2959: ###############################################
1.474 raeburn 2960:
2961: sub blockcheck {
1.482 raeburn 2962: my ($setters,$activity,$uname,$udom) = @_;
1.490 raeburn 2963:
2964: if (!defined($udom)) {
2965: $udom = $env{'user.domain'};
2966: }
2967: if (!defined($uname)) {
2968: $uname = $env{'user.name'};
2969: }
2970:
2971: # If uname and udom are for a course, check for blocks in the course.
2972:
2973: if (&Apache::lonnet::is_course($udom,$uname)) {
2974: my %records = &Apache::lonnet::dump('comm_block',$udom,$uname);
1.502 raeburn 2975: my ($startblock,$endblock)=&get_blocks($setters,$activity,$udom,$uname);
1.490 raeburn 2976: return ($startblock,$endblock);
2977: }
1.474 raeburn 2978:
1.502 raeburn 2979: my $startblock = 0;
2980: my $endblock = 0;
1.482 raeburn 2981: my %live_courses = &findallcourses(undef,$uname,$udom);
1.474 raeburn 2982:
1.490 raeburn 2983: # If uname is for a user, and activity is course-specific, i.e.,
2984: # boards, chat or groups, check for blocking in current course only.
1.474 raeburn 2985:
1.490 raeburn 2986: if (($activity eq 'boards' || $activity eq 'chat' ||
2987: $activity eq 'groups') && ($env{'request.course.id'})) {
2988: foreach my $key (keys(%live_courses)) {
2989: if ($key ne $env{'request.course.id'}) {
2990: delete($live_courses{$key});
2991: }
2992: }
2993: }
2994:
2995: my $otheruser = 0;
2996: my %own_courses;
2997: if ((($uname ne $env{'user.name'})) || ($udom ne $env{'user.domain'})) {
2998: # Resource belongs to user other than current user.
2999: $otheruser = 1;
3000: # Gather courses for current user
3001: %own_courses =
3002: &findallcourses(undef,$env{'user.name'},$env{'user.domain'});
3003: }
3004:
3005: # Gather active course roles - course coordinator, instructor,
3006: # exam proctor, ta, student, or custom role.
1.474 raeburn 3007:
3008: foreach my $course (keys(%live_courses)) {
1.482 raeburn 3009: my ($cdom,$cnum);
3010: if ((defined($env{'course.'.$course.'.domain'})) && (defined($env{'course.'.$course.'.num'}))) {
3011: $cdom = $env{'course.'.$course.'.domain'};
3012: $cnum = $env{'course.'.$course.'.num'};
3013: } else {
1.490 raeburn 3014: ($cdom,$cnum) = split(/_/,$course);
1.482 raeburn 3015: }
3016: my $no_ownblock = 0;
3017: my $no_userblock = 0;
1.533 raeburn 3018: if ($otheruser && $activity ne 'com') {
1.490 raeburn 3019: # Check if current user has 'evb' priv for this
3020: if (defined($own_courses{$course})) {
3021: foreach my $sec (keys(%{$own_courses{$course}})) {
3022: my $checkrole = 'cm./'.$cdom.'/'.$cnum;
3023: if ($sec ne 'none') {
3024: $checkrole .= '/'.$sec;
3025: }
3026: if (&Apache::lonnet::allowed('evb',undef,undef,$checkrole)) {
3027: $no_ownblock = 1;
3028: last;
3029: }
3030: }
3031: }
3032: # if they have 'evb' priv and are currently not playing student
3033: next if (($no_ownblock) &&
3034: ($env{'request.role'} !~ m{^st\./$cdom/$cnum}));
3035: }
1.474 raeburn 3036: foreach my $sec (keys(%{$live_courses{$course}})) {
1.482 raeburn 3037: my $checkrole = 'cm./'.$cdom.'/'.$cnum;
1.474 raeburn 3038: if ($sec ne 'none') {
1.482 raeburn 3039: $checkrole .= '/'.$sec;
1.474 raeburn 3040: }
1.490 raeburn 3041: if ($otheruser) {
3042: # Resource belongs to user other than current user.
3043: # Assemble privs for that user, and check for 'evb' priv.
1.482 raeburn 3044: my ($trole,$tdom,$tnum,$tsec);
3045: my $entry = $live_courses{$course}{$sec};
3046: if ($entry =~ /^cr/) {
3047: ($trole,$tdom,$tnum,$tsec) =
3048: ($entry =~ m|^(cr/$match_domain/$match_username/\w+)\./($match_domain)/($match_username)/?(\w*)$|);
3049: } else {
3050: ($trole,$tdom,$tnum,$tsec) = split(/\//,$entry);
3051: }
3052: my ($spec,$area,$trest,%allroles,%userroles);
3053: $area = '/'.$tdom.'/'.$tnum;
3054: $trest = $tnum;
3055: if ($tsec ne '') {
3056: $area .= '/'.$tsec;
3057: $trest .= '/'.$tsec;
3058: }
3059: $spec = $trole.'.'.$area;
3060: if ($trole =~ /^cr/) {
3061: &Apache::lonnet::custom_roleprivs(\%allroles,$trole,
3062: $tdom,$spec,$trest,$area);
3063: } else {
3064: &Apache::lonnet::standard_roleprivs(\%allroles,$trole,
3065: $tdom,$spec,$trest,$area);
3066: }
3067: my ($author,$adv) = &Apache::lonnet::set_userprivs(\%userroles,\%allroles);
1.486 raeburn 3068: if ($userroles{'user.priv.'.$checkrole} =~ /evb\&([^\:]*)/) {
3069: if ($1) {
3070: $no_userblock = 1;
3071: last;
3072: }
3073: }
1.490 raeburn 3074: } else {
3075: # Resource belongs to current user
3076: # Check for 'evb' priv via lonnet::allowed().
1.482 raeburn 3077: if (&Apache::lonnet::allowed('evb',undef,undef,$checkrole)) {
3078: $no_ownblock = 1;
3079: last;
3080: }
1.474 raeburn 3081: }
3082: }
3083: # if they have the evb priv and are currently not playing student
1.482 raeburn 3084: next if (($no_ownblock) &&
1.491 albertel 3085: ($env{'request.role'} !~ m{^st\./\Q$cdom\E/\Q$cnum\E}));
1.482 raeburn 3086: next if ($no_userblock);
1.474 raeburn 3087:
1.490 raeburn 3088: # Retrieve blocking times and identity of blocker for course
3089: # of specified user, unless user has 'evb' privilege.
1.502 raeburn 3090:
3091: my ($start,$end)=&get_blocks($setters,$activity,$cdom,$cnum);
3092: if (($start != 0) &&
3093: (($startblock == 0) || ($startblock > $start))) {
3094: $startblock = $start;
3095: }
3096: if (($end != 0) &&
3097: (($endblock == 0) || ($endblock < $end))) {
3098: $endblock = $end;
3099: }
1.490 raeburn 3100: }
3101: return ($startblock,$endblock);
3102: }
3103:
3104: sub get_blocks {
3105: my ($setters,$activity,$cdom,$cnum) = @_;
3106: my $startblock = 0;
3107: my $endblock = 0;
3108: my $course = $cdom.'_'.$cnum;
3109: $setters->{$course} = {};
3110: $setters->{$course}{'staff'} = [];
3111: $setters->{$course}{'times'} = [];
3112: my %records = &Apache::lonnet::dump('comm_block',$cdom,$cnum);
3113: foreach my $record (keys(%records)) {
3114: my ($start,$end) = ($record =~ m/^(\d+)____(\d+)$/);
3115: if ($start <= time && $end >= time) {
3116: my ($staff_name,$staff_dom,$title,$blocks) =
3117: &parse_block_record($records{$record});
3118: if ($blocks->{$activity} eq 'on') {
3119: push(@{$$setters{$course}{'staff'}},[$staff_name,$staff_dom]);
3120: push(@{$$setters{$course}{'times'}}, [$start,$end]);
1.491 albertel 3121: if ( ($startblock == 0) || ($startblock > $start) ) {
3122: $startblock = $start;
1.490 raeburn 3123: }
1.491 albertel 3124: if ( ($endblock == 0) || ($endblock < $end) ) {
3125: $endblock = $end;
1.474 raeburn 3126: }
3127: }
3128: }
3129: }
3130: return ($startblock,$endblock);
3131: }
3132:
3133: sub parse_block_record {
3134: my ($record) = @_;
3135: my ($setuname,$setudom,$title,$blocks);
3136: if (ref($record) eq 'HASH') {
3137: ($setuname,$setudom) = split(/:/,$record->{'setter'});
3138: $title = &unescape($record->{'event'});
3139: $blocks = $record->{'blocks'};
3140: } else {
3141: my @data = split(/:/,$record,3);
3142: if (scalar(@data) eq 2) {
3143: $title = $data[1];
3144: ($setuname,$setudom) = split(/@/,$data[0]);
3145: } else {
3146: ($setuname,$setudom,$title) = @data;
3147: }
3148: $blocks = { 'com' => 'on' };
3149: }
3150: return ($setuname,$setudom,$title,$blocks);
3151: }
3152:
3153: sub build_block_table {
3154: my ($startblock,$endblock,$setters) = @_;
3155: my %lt = &Apache::lonlocal::texthash(
3156: 'cacb' => 'Currently active communication blocks',
3157: 'cour' => 'Course',
3158: 'dura' => 'Duration',
3159: 'blse' => 'Block set by'
3160: );
3161: my $output;
1.476 raeburn 3162: $output = '<br />'.$lt{'cacb'}.':<br />';
1.474 raeburn 3163: $output .= &start_data_table();
3164: $output .= '
3165: <tr>
3166: <th>'.$lt{'cour'}.'</th>
3167: <th>'.$lt{'dura'}.'</th>
3168: <th>'.$lt{'blse'}.'</th>
3169: </tr>
3170: ';
3171: foreach my $course (keys(%{$setters})) {
3172: my %courseinfo=&Apache::lonnet::coursedescription($course);
3173: for (my $i=0; $i<@{$$setters{$course}{staff}}; $i++) {
3174: my ($uname,$udom) = @{$$setters{$course}{staff}[$i]};
1.490 raeburn 3175: my $fullname = &plainname($uname,$udom);
3176: if (defined($env{'user.name'}) && defined($env{'user.domain'})
3177: && $env{'user.name'} ne 'public'
3178: && $env{'user.domain'} ne 'public') {
3179: $fullname = &aboutmewrapper($fullname,$uname,$udom);
3180: }
1.474 raeburn 3181: my ($openblock,$closeblock) = @{$$setters{$course}{times}[$i]};
3182: $openblock = &Apache::lonlocal::locallocaltime($openblock);
3183: $closeblock= &Apache::lonlocal::locallocaltime($closeblock);
3184: $output .= &Apache::loncommon::start_data_table_row().
3185: '<td>'.$courseinfo{'description'}.'</td>'.
3186: '<td>'.$openblock.' to '.$closeblock.'</td>'.
1.490 raeburn 3187: '<td>'.$fullname.'</td>'.
1.474 raeburn 3188: &Apache::loncommon::end_data_table_row();
3189: }
3190: }
3191: $output .= &end_data_table();
3192: }
3193:
1.490 raeburn 3194: sub blocking_status {
3195: my ($activity,$uname,$udom) = @_;
3196: my %setters;
3197: my ($blocked,$output,$ownitem,$is_course);
3198: my ($startblock,$endblock)=&blockcheck(\%setters,$activity,$uname,$udom);
3199: if ($startblock && $endblock) {
3200: $blocked = 1;
3201: if (wantarray) {
3202: my $category;
3203: if ($activity eq 'boards') {
3204: $category = 'Discussion posts in this course';
3205: } elsif ($activity eq 'blogs') {
3206: $category = 'Blogs';
3207: } elsif ($activity eq 'port') {
3208: if (defined($uname) && defined($udom)) {
3209: if ($uname eq $env{'user.name'} &&
3210: $udom eq $env{'user.domain'}) {
3211: $ownitem = 1;
3212: }
3213: }
3214: $is_course = &Apache::lonnet::is_course($udom,$uname);
3215: if ($ownitem) {
3216: $category = 'Your portfolio files';
3217: } elsif ($is_course) {
3218: my $coursedesc;
3219: foreach my $course (keys(%setters)) {
3220: my %courseinfo =
3221: &Apache::lonnet::coursedescription($course);
3222: $coursedesc = $courseinfo{'description'};
3223: }
3224: $category = "Group files in the course '$coursedesc'";
3225: } else {
3226: $category = 'Portfolio files belonging to ';
3227: if ($env{'user.name'} eq 'public' &&
3228: $env{'user.domain'} eq 'public') {
3229: $category .= &plainname($uname,$udom);
3230: } else {
3231: $category .= &aboutmewrapper(&plainname($uname,$udom),$uname,$udom);
3232: }
3233: }
3234: } elsif ($activity eq 'groups') {
3235: $category = 'Groups in this course';
3236: }
3237: my $showstart = &Apache::lonlocal::locallocaltime($startblock);
3238: my $showend = &Apache::lonlocal::locallocaltime($endblock);
3239: $output = '<br />'.&mt('[_1] will be inaccessible between [_2] and [_3] because communication is being blocked.',$category,$showstart,$showend).'<br />';
3240: if (!($activity eq 'port' && !($ownitem) && !($is_course))) {
3241: $output .= &build_block_table($startblock,$endblock,\%setters);
3242: }
3243: }
3244: }
3245: if (wantarray) {
3246: return ($blocked,$output);
3247: } else {
3248: return $blocked;
3249: }
3250: }
3251:
1.60 matthew 3252: ###############################################
3253:
3254: =pod
3255:
1.112 bowersj2 3256: =head1 Domain Template Functions
3257:
3258: =over 4
3259:
3260: =item * &determinedomain()
1.60 matthew 3261:
3262: Inputs: $domain (usually will be undef)
3263:
1.63 www 3264: Returns: Determines which domain should be used for designs
1.60 matthew 3265:
3266: =cut
1.54 www 3267:
1.60 matthew 3268: ###############################################
1.63 www 3269: sub determinedomain {
3270: my $domain=shift;
1.531 albertel 3271: if (! $domain) {
1.60 matthew 3272: # Determine domain if we have not been given one
3273: $domain = $Apache::lonnet::perlvar{'lonDefDomain'};
1.258 albertel 3274: if ($env{'user.domain'}) { $domain=$env{'user.domain'}; }
3275: if ($env{'request.role.domain'}) {
3276: $domain=$env{'request.role.domain'};
1.60 matthew 3277: }
3278: }
1.63 www 3279: return $domain;
3280: }
3281: ###############################################
1.517 raeburn 3282:
1.518 albertel 3283: sub devalidate_domconfig_cache {
3284: my ($udom)=@_;
3285: &Apache::lonnet::devalidate_cache_new('domainconfig',$udom);
3286: }
3287:
3288: # ---------------------- Get domain configuration for a domain
3289: sub get_domainconf {
3290: my ($udom) = @_;
3291: my $cachetime=1800;
3292: my ($result,$cached)=&Apache::lonnet::is_cached_new('domainconfig',$udom);
3293: if (defined($cached)) { return %{$result}; }
3294:
3295: my %domconfig = &Apache::lonnet::get_dom('configuration',
3296: ['login','rolecolors'],$udom);
3297: my %designhash;
3298: if (keys(%domconfig) > 0) {
3299: if (ref($domconfig{'login'}) eq 'HASH') {
3300: foreach my $key (keys(%{$domconfig{'login'}})) {
3301: $designhash{$udom.'.login.'.$key}=$domconfig{'login'}{$key};
3302: }
3303: }
3304: if (ref($domconfig{'rolecolors'}) eq 'HASH') {
3305: foreach my $role (keys(%{$domconfig{'rolecolors'}})) {
3306: if (ref($domconfig{'rolecolors'}{$role}) eq 'HASH') {
3307: foreach my $item (keys(%{$domconfig{'rolecolors'}{$role}})) {
3308: $designhash{$udom.'.'.$role.'.'.$item}=$domconfig{'rolecolors'}{$role}{$item};
3309: }
3310: }
3311: }
3312: }
3313: } else {
3314: my $designdir=$Apache::lonnet::perlvar{'lonTabDir'}.'/lonDomColors';
3315: my $designfile = $designdir.'/'.$udom.'.tab';
3316: if (-e $designfile) {
3317: if ( open (my $fh,"<$designfile") ) {
3318: while (my $line = <$fh>) {
3319: next if ($line =~ /^\#/);
3320: chomp($line);
3321: my ($key,$val)=(split(/\=/,$line));
3322: if ($val) { $designhash{$udom.'.'.$key}=$val; }
3323: }
3324: close($fh);
3325: }
3326: }
3327: if (-e '/home/httpd/html/adm/lonDomLogos/'.$udom.'.gif') {
1.519 raeburn 3328: $designhash{$udom.'.login.domlogo'} = "/adm/lonDomLogos/$udom.gif";
1.518 albertel 3329: }
3330: }
3331: &Apache::lonnet::do_cache_new('domainconfig',$udom,\%designhash,
3332: $cachetime);
3333: return %designhash;
3334: }
3335:
1.63 www 3336: =pod
3337:
1.112 bowersj2 3338: =item * &domainlogo()
1.63 www 3339:
3340: Inputs: $domain (usually will be undef)
3341:
3342: Returns: A link to a domain logo, if the domain logo exists.
3343: If the domain logo does not exist, a description of the domain.
3344:
3345: =cut
1.112 bowersj2 3346:
1.63 www 3347: ###############################################
3348: sub domainlogo {
1.517 raeburn 3349: my $domain = &determinedomain(shift);
1.518 albertel 3350: my %designhash = &get_domainconf($domain);
1.517 raeburn 3351: # See if there is a logo
3352: if ($designhash{$domain.'.login.domlogo'} ne '') {
1.519 raeburn 3353: my $imgsrc = $designhash{$domain.'.login.domlogo'};
1.538 albertel 3354: if ($imgsrc =~ m{^/(adm|res)/}) {
3355: if ($imgsrc =~ m{^/res/}) {
3356: my $local_name = &Apache::lonnet::filelocation('',$imgsrc);
3357: &Apache::lonnet::repcopy($local_name);
3358: }
3359: $imgsrc = &lonhttpdurl($imgsrc);
1.519 raeburn 3360: }
3361: return '<img src="'.$imgsrc.'" alt="'.$domain.'" />';
1.514 albertel 3362: } elsif (defined(&Apache::lonnet::domain($domain,'description'))) {
3363: return &Apache::lonnet::domain($domain,'description');
1.59 www 3364: } else {
1.60 matthew 3365: return '';
1.59 www 3366: }
3367: }
1.63 www 3368: ##############################################
3369:
3370: =pod
3371:
1.112 bowersj2 3372: =item * &designparm()
1.63 www 3373:
3374: Inputs: $which parameter; $domain (usually will be undef)
3375:
3376: Returns: value of designparamter $which
3377:
3378: =cut
1.112 bowersj2 3379:
1.397 albertel 3380:
1.400 albertel 3381: ##############################################
1.397 albertel 3382: sub designparm {
3383: my ($which,$domain)=@_;
1.258 albertel 3384: if ($env{'browser.blackwhite'} eq 'on') {
1.110 www 3385: if ($which=~/\.(font|alink|vlink|link)$/) {
3386: return '#000000';
3387: }
3388: if ($which=~/\.(pgbg|sidebg)$/) {
3389: return '#FFFFFF';
3390: }
3391: if ($which=~/\.tabbg$/) {
3392: return '#CCCCCC';
3393: }
3394: }
1.397 albertel 3395: if (exists($env{'environment.color.'.$which})) {
1.258 albertel 3396: return $env{'environment.color.'.$which};
1.96 www 3397: }
1.63 www 3398: $domain=&determinedomain($domain);
1.518 albertel 3399: my %domdesign = &get_domainconf($domain);
1.520 raeburn 3400: my $output;
1.517 raeburn 3401: if ($domdesign{$domain.'.'.$which} ne '') {
1.520 raeburn 3402: $output = $domdesign{$domain.'.'.$which};
1.63 www 3403: } else {
1.520 raeburn 3404: $output = $defaultdesign{$which};
3405: }
3406: if (($which =~ /^(student|coordinator|author|admin)\.img$/) ||
3407: ($which =~ /login\.(img|logo|domlogo)/)) {
1.538 albertel 3408: if ($output =~ m{^/(adm|res)/}) {
3409: if ($output =~ m{^/res/}) {
3410: my $local_name = &Apache::lonnet::filelocation('',$output);
3411: &Apache::lonnet::repcopy($local_name);
3412: }
1.520 raeburn 3413: $output = &lonhttpdurl($output);
3414: }
1.63 www 3415: }
1.520 raeburn 3416: return $output;
1.63 www 3417: }
1.59 www 3418:
1.60 matthew 3419: ###############################################
3420: ###############################################
3421:
3422: =pod
3423:
1.112 bowersj2 3424: =back
3425:
1.549 albertel 3426: =head1 HTML Helpers
1.112 bowersj2 3427:
3428: =over 4
3429:
3430: =item * &bodytag()
1.60 matthew 3431:
3432: Returns a uniform header for LON-CAPA web pages.
3433:
3434: Inputs:
3435:
1.112 bowersj2 3436: =over 4
3437:
3438: =item * $title, A title to be displayed on the page.
3439:
3440: =item * $function, the current role (can be undef).
3441:
3442: =item * $addentries, extra parameters for the <body> tag.
3443:
3444: =item * $bodyonly, if defined, only return the <body> tag.
3445:
3446: =item * $domain, if defined, force a given domain.
3447:
3448: =item * $forcereg, if page should register as content page (relevant for
1.86 www 3449: text interface only)
1.60 matthew 3450:
1.326 albertel 3451: =item * $customtitle, alternate text to use instead of $title
3452: in the title box that appears, this text
3453: is not auto translated like the $title is
1.309 albertel 3454:
3455: =item * $notopbar, if true, keep the 'what is this' info but remove the
3456: navigational links
1.317 albertel 3457:
1.338 albertel 3458: =item * $bgcolor, used to override the bgcolor on a webpage to a specific value
3459:
3460: =item * $notitle, if true keep the nav controls, but remove the title bar
3461:
1.361 albertel 3462: =item * $no_inline_link, if true and in remote mode, don't show the
3463: 'Switch To Inline Menu' link
3464:
1.460 albertel 3465: =item * $args, optional argument valid values are
3466: no_auto_mt_title -> prevents &mt()ing the title arg
1.562 albertel 3467: inherit_jsmath -> when creating popup window in a page,
3468: should it have jsmath forced on by the
3469: current page
1.460 albertel 3470:
1.112 bowersj2 3471: =back
3472:
1.60 matthew 3473: Returns: A uniform header for LON-CAPA web pages.
3474: If $bodyonly is nonzero, a string containing a <body> tag will be returned.
3475: If $bodyonly is undef or zero, an html string containing a <body> tag and
3476: other decorations will be returned.
3477:
3478: =cut
3479:
1.54 www 3480: sub bodytag {
1.309 albertel 3481: my ($title,$function,$addentries,$bodyonly,$domain,$forcereg,$customtitle,
1.460 albertel 3482: $notopbar,$bgcolor,$notitle,$no_inline_link,$args)=@_;
1.339 albertel 3483:
1.460 albertel 3484: if (!$args->{'no_auto_mt_title'}) { $title = &mt($title); }
1.339 albertel 3485:
1.183 matthew 3486: $function = &get_users_function() if (!$function);
1.339 albertel 3487: my $img = &designparm($function.'.img',$domain);
3488: my $font = &designparm($function.'.font',$domain);
3489: my $pgbg = $bgcolor || &designparm($function.'.pgbg',$domain);
3490:
3491: my %design = ( 'style' => 'margin-top: 0px',
1.535 albertel 3492: 'bgcolor' => $pgbg,
1.339 albertel 3493: 'text' => $font,
3494: 'alink' => &designparm($function.'.alink',$domain),
3495: 'vlink' => &designparm($function.'.vlink',$domain),
3496: 'link' => &designparm($function.'.link',$domain),);
1.438 albertel 3497: @design{keys(%$addentries)} = @$addentries{keys(%$addentries)};
1.339 albertel 3498:
1.63 www 3499: # role and realm
1.378 raeburn 3500: my ($role,$realm) = split(/\./,$env{'request.role'},2);
3501: if ($role eq 'ca') {
1.479 albertel 3502: my ($rdom,$rname) = ($realm =~ m{^/($match_domain)/($match_username)$});
1.500 albertel 3503: $realm = &plainname($rname,$rdom);
1.378 raeburn 3504: }
1.55 www 3505: # realm
1.258 albertel 3506: if ($env{'request.course.id'}) {
1.378 raeburn 3507: if ($env{'request.role'} !~ /^cr/) {
3508: $role = &Apache::lonnet::plaintext($role,&course_type());
3509: }
1.359 albertel 3510: $realm = $env{'course.'.$env{'request.course.id'}.'.description'};
1.378 raeburn 3511: } else {
3512: $role = &Apache::lonnet::plaintext($role);
1.54 www 3513: }
1.433 albertel 3514:
1.359 albertel 3515: if (!$realm) { $realm=' '; }
1.55 www 3516: # Set messages
1.60 matthew 3517: my $messages=&domainlogo($domain);
1.101 www 3518: # Port for miniserver
1.83 albertel 3519: my $lonhttpdPort=$Apache::lonnet::perlvar{'lonhttpdPort'};
3520: if (!defined($lonhttpdPort)) { $lonhttpdPort='8080'; }
1.330 albertel 3521:
1.438 albertel 3522: my $extra_body_attr = &make_attr_string($forcereg,\%design);
1.329 albertel 3523:
1.101 www 3524: # construct main body tag
1.359 albertel 3525: my $bodytag = "<body $extra_body_attr>".
1.562 albertel 3526: &Apache::lontexconvert::init_math_support($args->{'inherit_jsmath'});
1.252 albertel 3527:
1.530 albertel 3528: if ($bodyonly) {
1.60 matthew 3529: return $bodytag;
1.258 albertel 3530: } elsif ($env{'browser.interface'} eq 'textual') {
1.95 www 3531: # Accessibility
1.224 raeburn 3532:
1.337 albertel 3533: $bodytag.=&Apache::lonmenu::menubuttons($forcereg,$forcereg);
1.338 albertel 3534: if (!$notitle) {
1.337 albertel 3535: $bodytag.='<h1>LON-CAPA: '.$title.'</h1>';
3536: }
3537: return $bodytag;
1.359 albertel 3538: }
3539:
1.410 albertel 3540: my $name = &plainname($env{'user.name'},$env{'user.domain'});
1.433 albertel 3541: if ($env{'user.name'} eq 'public' && $env{'user.domain'} eq 'public') {
3542: undef($role);
1.434 albertel 3543: } else {
3544: $name = &aboutmewrapper($name,$env{'user.name'},$env{'user.domain'});
1.433 albertel 3545: }
1.359 albertel 3546:
3547: my $roleinfo=(<<ENDROLE);
3548: <td class="LC_title_bar_who">
3549: <div class="LC_title_bar_name">
1.410 albertel 3550: $name
1.361 albertel 3551:
1.359 albertel 3552: </div>
3553: <div class="LC_title_bar_role">
1.361 albertel 3554: $role
1.359 albertel 3555: </div>
3556: <div class="LC_title_bar_realm">
1.361 albertel 3557: $realm
1.359 albertel 3558: </div>
1.206 albertel 3559: </td>
3560: ENDROLE
1.235 raeburn 3561:
1.359 albertel 3562: my $titleinfo = '<span class="LC_title_bar_title">'.$title.'</span>';
3563: if ($customtitle) {
3564: $titleinfo = $customtitle;
3565: }
3566: #
3567: # Extra info if you are the DC
3568: my $dc_info = '';
3569: if ($env{'user.adv'} && exists($env{'user.role.dc./'.
3570: $env{'course.'.$env{'request.course.id'}.
3571: '.domain'}.'/'})) {
3572: my $cid = $env{'request.course.id'};
3573: $dc_info.= $cid.' '.$env{'course.'.$cid.'.internal.coursecode'};
1.380 www 3574: $dc_info =~ s/\s+$//;
1.359 albertel 3575: $dc_info = '('.$dc_info.')';
3576: }
3577:
3578: if ($env{'environment.remote'} eq 'off') {
3579: # No Remote
1.258 albertel 3580: if ($env{'request.state'} eq 'construct') {
1.359 albertel 3581: $forcereg=1;
3582: }
3583:
3584: if (!$customtitle && $env{'request.state'} eq 'construct') {
3585: # this is for resources; directories have customtitle, and crumbs
3586: # and select recent are created in lonpubdir.pm
1.229 albertel 3587: my ($uname,$thisdisfn)=
1.258 albertel 3588: ($env{'request.filename'} =~ m|^/home/([^/]+)/public_html/(.*)|);
1.229 albertel 3589: my $formaction='/priv/'.$uname.'/'.$thisdisfn;
3590: $formaction=~s/\/+/\//g;
3591:
1.359 albertel 3592: my $parentpath = '';
3593: my $lastitem = '';
3594: if ($thisdisfn =~ m-(.+/)([^/]*)$-) {
3595: $parentpath = $1;
3596: $lastitem = $2;
3597: } else {
3598: $lastitem = $thisdisfn;
3599: }
3600: $titleinfo =
1.401 albertel 3601: &Apache::loncommon::help_open_menu('','',3,'Authoring').
1.359 albertel 3602: '<b>Construction Space</b>: '.
3603: '<form name="dirs" method="post" action="'.$formaction
3604: .'" target="_top"><tt><b>'
3605: .&Apache::lonhtmlcommon::crumbs($uname.'/'.$parentpath,'_top','/priv','','+1',1)."<font size=\"+1\">$lastitem</font></b></tt><br />"
3606: .&Apache::lonhtmlcommon::select_recent('construct','recent','this.form.action=this.form.recent.value;this.form.submit()')
3607: .'</form>'
3608: .&Apache::lonmenu::constspaceform();
1.235 raeburn 3609: }
1.359 albertel 3610:
1.337 albertel 3611: my $titletable;
1.338 albertel 3612: if (!$notitle) {
1.337 albertel 3613: $titletable =
1.359 albertel 3614: '<table id="LC_title_bar">'.
3615: "<tr><td> $titleinfo $dc_info</td>".$roleinfo.
3616: '</tr></table>';
1.337 albertel 3617: }
1.359 albertel 3618: if ($notopbar) {
3619: $bodytag .= $titletable;
3620: } else {
3621: if ($env{'request.state'} eq 'construct') {
1.337 albertel 3622: $bodytag .= &Apache::lonmenu::menubuttons($forcereg,$forcereg,
3623: $titletable);
1.272 raeburn 3624: } else {
1.336 albertel 3625: $bodytag .= &Apache::lonmenu::menubuttons($forcereg,$forcereg).
1.359 albertel 3626: $titletable;
1.272 raeburn 3627: }
1.235 raeburn 3628: }
3629: return $bodytag;
1.94 www 3630: }
1.95 www 3631:
1.93 www 3632: #
1.95 www 3633: # Top frame rendering, Remote is up
1.93 www 3634: #
1.359 albertel 3635:
1.517 raeburn 3636: my $imgsrc = $img;
3637: if ($img =~ /^\/adm/) {
3638: $imgsrc = 'http://'.$ENV{'HTTP_HOST'}.':'.$lonhttpdPort.$img;
3639: }
3640: my $upperleft='<img src="'.$imgsrc.'" alt="'.$function.'" />';
1.359 albertel 3641:
1.305 www 3642: # Explicit link to get inline menu
1.361 albertel 3643: my $menu= ($no_inline_link?''
3644: :'<br /><a href="/adm/remote?action=collapse">'.&mt('Switch to Inline Menu Mode').'</a>');
1.245 matthew 3645: #
1.338 albertel 3646: if ($notitle) {
1.337 albertel 3647: return $bodytag;
3648: }
1.94 www 3649: return(<<ENDBODY);
1.60 matthew 3650: $bodytag
1.359 albertel 3651: <table id="LC_title_bar" class="LC_with_remote">
1.368 albertel 3652: <tr><td class="LC_title_bar_role_logo">$upperleft</td>
1.359 albertel 3653: <td class="LC_title_bar_domain_logo">$messages </td>
1.54 www 3654: </tr>
1.359 albertel 3655: <tr><td>$titleinfo $dc_info $menu</td>
3656: $roleinfo
1.368 albertel 3657: </tr>
1.356 albertel 3658: </table>
1.54 www 3659: ENDBODY
1.182 matthew 3660: }
3661:
1.330 albertel 3662: sub make_attr_string {
3663: my ($register,$attr_ref) = @_;
3664:
3665: if ($attr_ref && !ref($attr_ref)) {
3666: die("addentries Must be a hash ref ".
3667: join(':',caller(1))." ".
3668: join(':',caller(0))." ");
3669: }
3670:
3671: if ($register) {
1.339 albertel 3672: my ($on_load,$on_unload);
3673: foreach my $key (keys(%{$attr_ref})) {
3674: if (lc($key) eq 'onload') {
3675: $on_load.=$attr_ref->{$key}.';';
3676: delete($attr_ref->{$key});
3677:
3678: } elsif (lc($key) eq 'onunload') {
3679: $on_unload.=$attr_ref->{$key}.';';
3680: delete($attr_ref->{$key});
3681: }
3682: }
3683: $attr_ref->{'onload'} =
3684: &Apache::lonmenu::loadevents(). $on_load;
3685: $attr_ref->{'onunload'}=
3686: &Apache::lonmenu::unloadevents().$on_unload;
3687: }
3688:
3689: # Accessibility font enhance
3690: if ($env{'browser.fontenhance'} eq 'on') {
3691: my $style;
3692: foreach my $key (keys(%{$attr_ref})) {
3693: if (lc($key) eq 'style') {
3694: $style.=$attr_ref->{$key}.';';
3695: delete($attr_ref->{$key});
3696: }
3697: }
3698: $attr_ref->{'style'}=$style.'; font-size: x-large;';
1.330 albertel 3699: }
1.339 albertel 3700:
3701: if ($env{'browser.blackwhite'} eq 'on') {
3702: delete($attr_ref->{'font'});
3703: delete($attr_ref->{'link'});
3704: delete($attr_ref->{'alink'});
3705: delete($attr_ref->{'vlink'});
3706: delete($attr_ref->{'bgcolor'});
3707: delete($attr_ref->{'background'});
3708: }
3709:
1.330 albertel 3710: my $attr_string;
3711: foreach my $attr (keys(%$attr_ref)) {
3712: $attr_string .= " $attr=\"".$attr_ref->{$attr}.'" ';
3713: }
3714: return $attr_string;
3715: }
3716:
3717:
1.182 matthew 3718: ###############################################
1.251 albertel 3719: ###############################################
3720:
3721: =pod
3722:
3723: =item * &endbodytag()
3724:
3725: Returns a uniform footer for LON-CAPA web pages.
3726:
1.306 albertel 3727: Inputs: none
1.251 albertel 3728:
3729: =cut
3730:
3731: sub endbodytag {
3732: my $endbodytag='</body>';
1.269 albertel 3733: $endbodytag=&Apache::lontexconvert::jsMath_process()."\n".$endbodytag;
1.315 albertel 3734: if ( exists( $env{'internal.head.redirect'} ) ) {
3735: $endbodytag=
3736: "<br /><a href=\"$env{'internal.head.redirect'}\">".
3737: &mt('Continue').'</a>'.
3738: $endbodytag;
3739: }
1.251 albertel 3740: return $endbodytag;
3741: }
3742:
1.352 albertel 3743: =pod
3744:
3745: =item * &standard_css()
3746:
3747: Returns a style sheet
3748:
3749: Inputs: (all optional)
3750: domain -> force to color decorate a page for a specific
3751: domain
3752: function -> force usage of a specific rolish color scheme
3753: bgcolor -> override the default page bgcolor
3754:
3755: =cut
3756:
1.343 albertel 3757: sub standard_css {
1.345 albertel 3758: my ($function,$domain,$bgcolor) = @_;
1.352 albertel 3759: $function = &get_users_function() if (!$function);
3760: my $img = &designparm($function.'.img', $domain);
3761: my $tabbg = &designparm($function.'.tabbg', $domain);
3762: my $font = &designparm($function.'.font', $domain);
1.345 albertel 3763: my $sidebg = &designparm($function.'.sidebg',$domain);
1.382 albertel 3764: my $pgbg_or_bgcolor =
3765: $bgcolor ||
1.352 albertel 3766: &designparm($function.'.pgbg', $domain);
1.382 albertel 3767: my $pgbg = &designparm($function.'.pgbg', $domain);
1.352 albertel 3768: my $alink = &designparm($function.'.alink', $domain);
3769: my $vlink = &designparm($function.'.vlink', $domain);
3770: my $link = &designparm($function.'.link', $domain);
3771:
3772: my $sans = 'Arial,Helvetica,sans-serif';
1.395 albertel 3773: my $mono = 'monospace';
1.352 albertel 3774: my $data_table_head = $tabbg;
3775: my $data_table_light = '#EEEEEE';
1.470 banghart 3776: my $data_table_dark = '#DDDDDD';
3777: my $data_table_darker = '#CCCCCC';
1.349 albertel 3778: my $data_table_highlight = '#FFFF00';
1.352 albertel 3779: my $mail_new = '#FFBB77';
3780: my $mail_new_hover = '#DD9955';
3781: my $mail_read = '#BBBB77';
3782: my $mail_read_hover = '#999944';
3783: my $mail_replied = '#AAAA88';
3784: my $mail_replied_hover = '#888855';
3785: my $mail_other = '#99BBBB';
3786: my $mail_other_hover = '#669999';
1.391 albertel 3787: my $table_header = '#DDDDDD';
1.489 raeburn 3788: my $feedback_link_bg = '#BBBBBB';
1.392 albertel 3789:
3790: my $border = ($env{'browser.type'} eq 'explorer') ? '0px 2px 0px 2px'
3791: : '0px 3px 0px 4px';
1.448 albertel 3792:
1.523 albertel 3793:
1.343 albertel 3794: return <<END;
1.345 albertel 3795: h1, h2, h3, th { font-family: $sans }
1.343 albertel 3796: a:focus { color: red; background: yellow }
1.510 albertel 3797: table.thinborder,
1.523 albertel 3798:
1.510 albertel 3799: table.thinborder tr th {
3800: border-style: solid;
3801: border-width: 1px;
3802: background: $tabbg;
3803: }
1.523 albertel 3804: table.thinborder tr td {
1.510 albertel 3805: border-style: solid;
3806: border-width: 1px
3807: }
1.426 albertel 3808:
1.343 albertel 3809: form, .inline { display: inline; }
3810: .center { text-align: center; }
1.395 albertel 3811: .LC_filename {font-family: $mono;}
1.350 albertel 3812: .LC_error {
3813: color: red;
3814: font-size: larger;
3815: }
1.457 albertel 3816: .LC_warning,
3817: .LC_diff_removed {
1.394 albertel 3818: color: red;
3819: }
1.532 albertel 3820:
3821: .LC_info,
1.457 albertel 3822: .LC_success,
3823: .LC_diff_added {
1.350 albertel 3824: color: green;
3825: }
1.543 albertel 3826: .LC_unknown {
3827: color: yellow;
3828: }
3829:
1.440 albertel 3830: .LC_icon {
3831: border: 0px;
3832: }
1.539 albertel 3833: .LC_indexer_icon {
3834: border: 0px;
3835: height: 22px;
3836: }
1.543 albertel 3837: .LC_docs_spacer {
3838: width: 25px;
3839: height: 1px;
3840: border: 0px;
3841: }
1.346 albertel 3842:
1.532 albertel 3843: .LC_internal_info {
3844: color: #999;
3845: }
3846:
1.458 albertel 3847: table.LC_pastsubmission {
3848: border: 1px solid black;
3849: margin: 2px;
3850: }
3851:
1.392 albertel 3852: table#LC_top_nav, table#LC_menubuttons {
1.345 albertel 3853: width: 100%;
3854: background: $pgbg;
1.392 albertel 3855: border: 2px;
1.402 albertel 3856: border-collapse: separate;
1.403 albertel 3857: padding: 0px;
1.345 albertel 3858: }
1.392 albertel 3859:
1.409 albertel 3860: table#LC_title_bar, table.LC_breadcrumbs, table#LC_nav_location,
1.393 albertel 3861: table#LC_title_bar.LC_with_remote {
1.359 albertel 3862: width: 100%;
1.392 albertel 3863: border-color: $pgbg;
3864: border-style: solid;
3865: border-width: $border;
3866:
1.379 albertel 3867: background: $pgbg;
3868: font-family: $sans;
1.392 albertel 3869: border-collapse: collapse;
1.403 albertel 3870: padding: 0px;
1.359 albertel 3871: }
1.392 albertel 3872:
1.409 albertel 3873: table.LC_docs_path {
3874: width: 100%;
3875: border: 0;
3876: background: $pgbg;
3877: font-family: $sans;
3878: border-collapse: collapse;
3879: padding: 0px;
3880: }
3881:
1.359 albertel 3882: table#LC_title_bar td {
3883: background: $tabbg;
3884: }
3885: table#LC_title_bar td.LC_title_bar_who {
3886: background: $tabbg;
3887: color: $font;
1.427 albertel 3888: font: small $sans;
1.359 albertel 3889: text-align: right;
3890: }
1.469 banghart 3891: span.LC_metadata {
3892: font-family: $sans;
3893: }
1.359 albertel 3894: span.LC_title_bar_title {
1.416 albertel 3895: font: bold x-large $sans;
1.359 albertel 3896: }
3897: table#LC_title_bar td.LC_title_bar_domain_logo {
3898: background: $sidebg;
3899: text-align: right;
1.368 albertel 3900: padding: 0px;
3901: }
3902: table#LC_title_bar td.LC_title_bar_role_logo {
3903: background: $sidebg;
3904: padding: 0px;
1.359 albertel 3905: }
3906:
1.346 albertel 3907: table#LC_menubuttons_mainmenu {
1.526 www 3908: width: 100%;
1.346 albertel 3909: border: 0px;
3910: border-spacing: 1px;
1.372 albertel 3911: padding: 0px 1px;
1.346 albertel 3912: margin: 0px;
3913: border-collapse: separate;
3914: }
3915: table#LC_menubuttons img, table#LC_menubuttons_mainmenu img {
3916: border: 0px;
3917: }
1.345 albertel 3918: table#LC_top_nav td {
3919: background: $tabbg;
1.392 albertel 3920: border: 0px;
1.407 albertel 3921: font-size: small;
1.345 albertel 3922: }
3923: table#LC_top_nav td a, div#LC_top_nav a {
3924: color: $font;
3925: font-family: $sans;
3926: }
1.364 albertel 3927: table#LC_top_nav td.LC_top_nav_logo {
3928: background: $tabbg;
1.432 albertel 3929: text-align: left;
1.408 albertel 3930: white-space: nowrap;
1.432 albertel 3931: width: 31px;
1.408 albertel 3932: }
3933: table#LC_top_nav td.LC_top_nav_logo img {
1.432 albertel 3934: border: 0px;
1.408 albertel 3935: vertical-align: bottom;
1.364 albertel 3936: }
1.432 albertel 3937: table#LC_top_nav td.LC_top_nav_exit,
3938: table#LC_top_nav td.LC_top_nav_help {
3939: width: 2.0em;
3940: }
1.442 albertel 3941: table#LC_top_nav td.LC_top_nav_login {
3942: width: 4.0em;
3943: text-align: center;
3944: }
1.409 albertel 3945: table.LC_breadcrumbs td, table.LC_docs_path td {
1.357 albertel 3946: background: $tabbg;
3947: color: $font;
3948: font-family: $sans;
1.358 albertel 3949: font-size: smaller;
1.357 albertel 3950: }
1.411 albertel 3951: table.LC_breadcrumbs td.LC_breadcrumbs_component,
1.409 albertel 3952: table.LC_docs_path td.LC_docs_path_component {
1.357 albertel 3953: background: $tabbg;
3954: color: $font;
3955: font-family: $sans;
3956: font-size: larger;
3957: text-align: right;
3958: }
1.383 albertel 3959: td.LC_table_cell_checkbox {
3960: text-align: center;
3961: }
3962:
1.522 albertel 3963: table#LC_mainmenu td.LC_mainmenu_column {
3964: vertical-align: top;
3965: }
3966:
1.346 albertel 3967: .LC_menubuttons_inline_text {
3968: color: $font;
3969: font-family: $sans;
3970: font-size: smaller;
3971: }
3972:
1.526 www 3973: .LC_menubuttons_link {
3974: text-decoration: none;
3975: }
3976:
1.522 albertel 3977: .LC_menubuttons_category {
1.521 www 3978: color: $font;
1.526 www 3979: background: $pgbg;
1.521 www 3980: font-family: $sans;
3981: font-size: larger;
3982: font-weight: bold;
3983: }
3984:
1.346 albertel 3985: td.LC_menubuttons_text {
1.526 www 3986: width: 90%;
1.346 albertel 3987: color: $font;
3988: font-family: $sans;
3989: }
1.526 www 3990:
1.346 albertel 3991: td.LC_menubuttons_img {
3992: }
1.526 www 3993:
1.346 albertel 3994: .LC_current_location {
3995: font-family: $sans;
3996: background: $tabbg;
3997: }
3998: .LC_new_mail {
3999: font-family: $sans;
4000: font-weight: bold;
4001: }
1.347 albertel 4002:
1.526 www 4003: .LC_rolesmenu_is {
4004: font-family: $sans;
4005: }
4006:
4007: .LC_rolesmenu_selected {
4008: font-family: $sans;
4009: }
4010:
4011: .LC_rolesmenu_future {
4012: font-family: $sans;
4013: }
4014:
4015:
4016: .LC_rolesmenu_will {
4017: font-family: $sans;
4018: }
4019:
4020: .LC_rolesmenu_will_not {
4021: font-family: $sans;
4022: }
4023:
4024: .LC_rolesmenu_expired {
4025: font-family: $sans;
4026: }
4027:
4028: .LC_rolesinfo {
4029: font-family: $sans;
4030: }
4031:
1.527 www 4032: .LC_dropadd_labeltext {
4033: font-family: $sans;
4034: text-align: right;
4035: }
4036:
4037: .LC_preferences_labeltext {
4038: font-family: $sans;
4039: text-align: right;
4040: }
4041:
1.440 albertel 4042: table.LC_aboutme_port {
4043: border: 0px;
4044: border-collapse: collapse;
4045: border-spacing: 0px;
4046: }
1.349 albertel 4047: table.LC_data_table, table.LC_mail_list {
1.347 albertel 4048: border: 1px solid #000000;
1.402 albertel 4049: border-collapse: separate;
1.426 albertel 4050: border-spacing: 1px;
1.347 albertel 4051: }
1.422 albertel 4052: .LC_data_table_dense {
4053: font-size: small;
4054: }
1.507 raeburn 4055: table.LC_nested_outer {
4056: border: 1px solid #000000;
4057: border-collapse: separate;
4058: border-spacing: 0px;
4059: width: 100%;
4060: }
4061: table.LC_nested {
4062: border: 0px;
4063: border-collapse: separate;
4064: border-spacing: 0px;
4065: width: 100%;
4066: }
1.523 albertel 4067: table.LC_data_table tr th, table.LC_calendar tr th, table.LC_mail_list tr th,
4068: table.LC_prior_tries tr th {
1.349 albertel 4069: font-weight: bold;
4070: background-color: $data_table_head;
1.421 albertel 4071: font-size: smaller;
1.347 albertel 4072: }
1.440 albertel 4073: table.LC_data_table tr td,
4074: table.LC_aboutme_port tr td {
1.349 albertel 4075: background-color: $data_table_light;
1.425 albertel 4076: padding: 2px;
1.347 albertel 4077: }
1.440 albertel 4078: table.LC_data_table tr.LC_even_row td,
4079: table.LC_aboutme_port tr.LC_even_row td {
1.349 albertel 4080: background-color: $data_table_dark;
1.347 albertel 4081: }
1.425 albertel 4082: table.LC_data_table tr.LC_data_table_highlight td {
4083: background-color: $data_table_darker;
4084: }
1.451 albertel 4085: table.LC_data_table tr.LC_empty_row td,
1.507 raeburn 4086: table.LC_nested tr.LC_empty_row td {
1.347 albertel 4087: background-color: #FFFFFF;
1.421 albertel 4088: font-weight: bold;
4089: font-style: italic;
4090: text-align: center;
4091: padding: 8px;
1.347 albertel 4092: }
1.507 raeburn 4093: table.LC_nested tr.LC_empty_row td {
1.465 albertel 4094: padding: 4ex
4095: }
1.507 raeburn 4096: table.LC_nested_outer tr th {
4097: font-weight: bold;
4098: background-color: $data_table_head;
4099: font-size: smaller;
4100: border-bottom: 1px solid #000000;
4101: }
4102: table.LC_nested_outer tr td.LC_subheader {
4103: background-color: $data_table_head;
4104: font-weight: bold;
4105: font-size: small;
4106: border-bottom: 1px solid #000000;
4107: text-align: right;
1.451 albertel 4108: }
1.507 raeburn 4109: table.LC_nested tr.LC_info_row td {
1.451 albertel 4110: background-color: #CCC;
4111: font-weight: bold;
4112: font-size: small;
1.507 raeburn 4113: text-align: center;
4114: }
4115: table.LC_nested tr.LC_info_row td.LC_left_item {
4116: text-align: left;
1.451 albertel 4117: }
1.507 raeburn 4118: table.LC_nested td {
1.451 albertel 4119: background-color: #FFF;
4120: font-size: small;
1.507 raeburn 4121: }
4122: table.LC_nested_outer tr th.LC_right_item,
4123: table.LC_nested tr.LC_info_row td.LC_right_item,
4124: table.LC_nested tr.LC_odd_row td.LC_right_item,
4125: table.LC_nested tr td.LC_right_item {
1.451 albertel 4126: text-align: right;
4127: }
4128:
1.507 raeburn 4129: table.LC_nested tr.LC_odd_row td {
1.451 albertel 4130: background-color: #EEE;
4131: }
4132:
1.473 raeburn 4133: table.LC_createuser {
4134: }
4135:
4136: table.LC_createuser tr.LC_section_row td {
4137: font-size: smaller;
4138: }
4139:
4140: table.LC_createuser tr.LC_info_row td {
4141: background-color: #CCC;
4142: font-weight: bold;
4143: text-align: center;
4144: }
4145:
1.349 albertel 4146: table.LC_calendar {
4147: border: 1px solid #000000;
4148: border-collapse: collapse;
4149: }
4150: table.LC_calendar_pickdate {
4151: font-size: xx-small;
4152: }
4153: table.LC_calendar tr td {
4154: border: 1px solid #000000;
4155: vertical-align: top;
4156: }
4157: table.LC_calendar tr td.LC_calendar_day_empty {
4158: background-color: $data_table_dark;
4159: }
4160: table.LC_calendar tr td.LC_calendar_day_current {
4161: background-color: $data_table_highlight;
4162: }
4163:
4164: table.LC_mail_list tr.LC_mail_new {
4165: background-color: $mail_new;
4166: }
4167: table.LC_mail_list tr.LC_mail_new:hover {
4168: background-color: $mail_new_hover;
4169: }
4170: table.LC_mail_list tr.LC_mail_read {
4171: background-color: $mail_read;
4172: }
4173: table.LC_mail_list tr.LC_mail_read:hover {
4174: background-color: $mail_read_hover;
4175: }
4176: table.LC_mail_list tr.LC_mail_replied {
4177: background-color: $mail_replied;
4178: }
4179: table.LC_mail_list tr.LC_mail_replied:hover {
4180: background-color: $mail_replied_hover;
4181: }
4182: table.LC_mail_list tr.LC_mail_other {
4183: background-color: $mail_other;
4184: }
4185: table.LC_mail_list tr.LC_mail_other:hover {
4186: background-color: $mail_other_hover;
4187: }
1.494 raeburn 4188: table.LC_mail_list tr.LC_mail_even {
4189: }
4190: table.LC_mail_list tr.LC_mail_odd {
4191: }
4192:
1.385 albertel 4193:
1.386 albertel 4194: table#LC_portfolio_actions {
4195: width: auto;
4196: background: $pgbg;
4197: border: 0px;
4198: border-spacing: 2px 2px;
4199: padding: 0px;
4200: margin: 0px;
4201: border-collapse: separate;
4202: }
4203: table#LC_portfolio_actions td.LC_label {
4204: background: $tabbg;
4205: text-align: right;
4206: }
4207: table#LC_portfolio_actions td.LC_value {
4208: background: $tabbg;
4209: }
1.385 albertel 4210:
1.391 albertel 4211: table#LC_cstr_controls {
4212: width: 100%;
4213: border-collapse: collapse;
4214: }
4215: table#LC_cstr_controls tr td {
4216: border: 4px solid $pgbg;
4217: padding: 4px;
4218: text-align: center;
4219: background: $tabbg;
4220: }
4221: table#LC_cstr_controls tr th {
4222: border: 4px solid $pgbg;
4223: background: $table_header;
4224: text-align: center;
4225: font-family: $sans;
4226: font-size: smaller;
4227: }
4228:
1.389 albertel 4229: table#LC_browser {
4230:
4231: }
4232: table#LC_browser tr th {
1.391 albertel 4233: background: $table_header;
1.389 albertel 4234: }
1.390 albertel 4235: table#LC_browser tr td {
4236: padding: 2px;
4237: }
1.389 albertel 4238: table#LC_browser tr.LC_browser_file,
4239: table#LC_browser tr.LC_browser_file_published {
4240: background: #CCFF88;
4241: }
4242: table#LC_browser tr.LC_browser_file_locked,
4243: table#LC_browser tr.LC_browser_file_unpublished {
4244: background: #FFAA99;
1.387 albertel 4245: }
1.389 albertel 4246: table#LC_browser tr.LC_browser_file_obsolete {
4247: background: #AAAAAA;
1.387 albertel 4248: }
1.455 albertel 4249: table#LC_browser tr.LC_browser_file_modified,
4250: table#LC_browser tr.LC_browser_file_metamodified {
1.389 albertel 4251: background: #FFFF77;
1.387 albertel 4252: }
1.389 albertel 4253: table#LC_browser tr.LC_browser_folder {
4254: background: #CCCCFF;
1.387 albertel 4255: }
1.388 albertel 4256: span.LC_current_location {
4257: font-size: x-large;
4258: background: $pgbg;
4259: }
1.387 albertel 4260:
1.395 albertel 4261: span.LC_parm_menu_item {
4262: font-size: larger;
4263: font-family: $sans;
4264: }
4265: span.LC_parm_scope_all {
4266: color: red;
4267: }
4268: span.LC_parm_scope_folder {
4269: color: green;
4270: }
4271: span.LC_parm_scope_resource {
4272: color: orange;
4273: }
4274: span.LC_parm_part {
4275: color: blue;
4276: }
4277: span.LC_parm_folder, span.LC_parm_symb {
4278: font-size: x-small;
4279: font-family: $mono;
4280: color: #AAAAAA;
4281: }
4282:
1.396 albertel 4283: td.LC_parm_overview_level_menu, td.LC_parm_overview_map_menu,
4284: td.LC_parm_overview_parm_selectors, td.LC_parm_overview_parm_restrictions {
4285: border: 1px solid black;
4286: border-collapse: collapse;
4287: }
4288: table.LC_parm_overview_restrictions td {
4289: border-width: 1px 4px 1px 4px;
4290: border-style: solid;
4291: border-color: $pgbg;
4292: text-align: center;
4293: }
4294: table.LC_parm_overview_restrictions th {
4295: background: $tabbg;
4296: border-width: 1px 4px 1px 4px;
4297: border-style: solid;
4298: border-color: $pgbg;
4299: }
1.398 albertel 4300: table#LC_helpmenu {
4301: border: 0px;
4302: height: 55px;
4303: border-spacing: 0px;
4304: }
4305:
4306: table#LC_helpmenu fieldset legend {
4307: font-size: larger;
4308: font-weight: bold;
4309: }
1.397 albertel 4310: table#LC_helpmenu_links {
4311: width: 100%;
4312: border: 1px solid black;
4313: background: $pgbg;
4314: padding: 0px;
4315: border-spacing: 1px;
4316: }
4317: table#LC_helpmenu_links tr td {
4318: padding: 1px;
4319: background: $tabbg;
1.399 albertel 4320: text-align: center;
4321: font-weight: bold;
1.397 albertel 4322: }
1.396 albertel 4323:
1.397 albertel 4324: table#LC_helpmenu_links a:link, table#LC_helpmenu_links a:visited,
4325: table#LC_helpmenu_links a:active {
4326: text-decoration: none;
4327: color: $font;
4328: }
4329: table#LC_helpmenu_links a:hover {
4330: text-decoration: underline;
4331: color: $vlink;
4332: }
1.396 albertel 4333:
1.417 albertel 4334: .LC_chrt_popup_exists {
4335: border: 1px solid #339933;
4336: margin: -1px;
4337: }
4338: .LC_chrt_popup_up {
4339: border: 1px solid yellow;
4340: margin: -1px;
4341: }
4342: .LC_chrt_popup {
4343: border: 1px solid #8888FF;
4344: background: #CCCCFF;
4345: }
4346:
1.421 albertel 4347: table.LC_pick_box {
4348: width: 100%;
4349: border-collapse: separate;
4350: background: white;
4351: border: 1px solid black;
4352: border-spacing: 1px;
4353: }
4354: table.LC_pick_box td.LC_pick_box_title {
4355: background: $tabbg;
4356: font-weight: bold;
4357: text-align: right;
4358: width: 184px;
4359: padding: 8px;
4360: }
1.424 albertel 4361: table.LC_pick_box td.LC_pick_box_separator {
1.421 albertel 4362: padding: 0px;
4363: height: 1px;
4364: background: black;
4365: }
4366: table.LC_pick_box td.LC_pick_box_submit {
4367: text-align: right;
4368: }
4369:
1.424 albertel 4370: table.LC_group_priv_box {
4371: background: white;
4372: border: 1px solid black;
4373: border-spacing: 1px;
4374: }
4375: table.LC_group_priv_box td.LC_pick_box_title {
4376: background: $tabbg;
4377: font-weight: bold;
4378: text-align: right;
4379: width: 184px;
4380: }
4381: table.LC_group_priv_box td.LC_groups_fixed {
4382: background: $data_table_light;
4383: text-align: center;
4384: }
4385: table.LC_group_priv_box td.LC_groups_optional {
4386: background: $data_table_dark;
4387: text-align: center;
4388: }
4389: table.LC_group_priv_box td.LC_groups_functionality {
4390: background: $data_table_darker;
4391: text-align: center;
4392: font-weight: bold;
4393: }
4394: table.LC_group_priv td {
4395: text-align: left;
4396: padding: 0px;
4397: }
4398:
1.421 albertel 4399: table.LC_notify_front_page {
4400: background: white;
4401: border: 1px solid black;
4402: padding: 8px;
4403: }
4404: table.LC_notify_front_page td {
4405: padding: 8px;
4406: }
1.424 albertel 4407: .LC_navbuttons {
4408: margin: 2ex 0ex 2ex 0ex;
4409: }
1.423 albertel 4410: .LC_topic_bar {
4411: font-family: $sans;
4412: font-weight: bold;
4413: width: 100%;
4414: background: $tabbg;
4415: vertical-align: middle;
4416: margin: 2ex 0ex 2ex 0ex;
4417: }
4418: .LC_topic_bar span {
4419: vertical-align: middle;
4420: }
4421: .LC_topic_bar img {
4422: vertical-align: bottom;
4423: }
4424: table.LC_course_group_status {
4425: margin: 20px;
4426: }
4427: table.LC_status_selector td {
4428: vertical-align: top;
4429: text-align: center;
1.424 albertel 4430: padding: 4px;
4431: }
4432: table.LC_descriptive_input td.LC_description {
4433: vertical-align: top;
4434: text-align: right;
4435: font-weight: bold;
1.423 albertel 4436: }
1.489 raeburn 4437: table.LC_feedback_link {
4438: background: $feedback_link_bg;
4439: }
4440: span.LC_feedback_link {
4441: background: $feedback_link_bg;
4442: font-size: larger;
4443: }
1.421 albertel 4444:
1.515 albertel 4445: table.LC_prior_tries {
1.524 albertel 4446: border: 1px solid #000000;
4447: border-collapse: separate;
4448: border-spacing: 1px;
1.515 albertel 4449: }
1.523 albertel 4450:
1.515 albertel 4451: table.LC_prior_tries td {
1.524 albertel 4452: padding: 2px;
1.515 albertel 4453: }
1.523 albertel 4454:
4455: .LC_answer_correct {
4456: background: #AAFFAA;
4457: color: black;
4458: }
4459: .LC_answer_charged_try {
4460: background: #FFAAAA ! important;
4461: color: black;
4462: }
4463: .LC_answer_not_charged_try,
4464: .LC_answer_no_grade,
4465: .LC_answer_late {
4466: background: #FFFFAA;
4467: color: black;
4468: }
4469: .LC_answer_previous {
4470: background: #AAAAFF;
4471: color: black;
4472: }
4473: .LC_answer_no_message {
4474: background: #FFFFFF;
4475: color: black;
4476: }
4477: .LC_answer_unknown {
4478: background: orange;
4479: color: black;
4480: }
4481:
4482:
1.529 albertel 4483: span.LC_prior_numerical,
4484: span.LC_prior_string,
4485: span.LC_prior_custom,
4486: span.LC_prior_reaction,
4487: span.LC_prior_math {
1.523 albertel 4488: font-family: monospace;
4489: white-space: pre;
4490: }
4491:
1.525 albertel 4492: span.LC_prior_string {
4493: font-family: monospace;
4494: white-space: pre;
4495: }
4496:
1.523 albertel 4497: table.LC_prior_option {
4498: width: 100%;
4499: border-collapse: collapse;
4500: }
1.528 albertel 4501: table.LC_prior_rank, table.LC_prior_match {
4502: border-collapse: collapse;
4503: }
4504: table.LC_prior_option tr td,
4505: table.LC_prior_rank tr td,
4506: table.LC_prior_match tr td {
1.524 albertel 4507: border: 1px solid #000000;
1.515 albertel 4508: }
4509:
1.519 raeburn 4510: span.LC_nobreak {
1.544 albertel 4511: white-space: nowrap;
1.519 raeburn 4512: }
4513:
1.545 albertel 4514: table.LC_docs_documents {
4515: background: #BBBBBB;
1.547 albertel 4516: border-width: 0px;
1.545 albertel 4517: border-collapse: collapse;
4518: }
4519:
4520: table.LC_docs_documents td.LC_docs_document {
4521: border: 2px solid black;
4522: padding: 4px;
4523: }
4524:
4525: .LC_docs_course_commands div {
4526: float: left;
4527: border: 4px solid #AAAAAA;
4528: padding: 4px;
4529: background: #DDDDCC;
4530: }
4531:
4532: .LC_docs_entry_move {
4533: border: 0px;
4534: border-collapse: collapse;
1.544 albertel 4535: }
4536:
1.545 albertel 4537: .LC_docs_entry_move td {
4538: border: 2px solid #BBBBBB;
4539: background: #DDDDDD;
4540: }
4541:
4542: .LC_docs_editor td.LC_docs_entry_commands {
4543: background: #DDDDDD;
4544: font-size: x-small;
4545: }
1.544 albertel 4546: .LC_docs_copy {
1.545 albertel 4547: color: #000099;
1.544 albertel 4548: }
4549: .LC_docs_cut {
1.545 albertel 4550: color: #550044;
1.544 albertel 4551: }
4552: .LC_docs_rename {
1.545 albertel 4553: color: #009900;
1.544 albertel 4554: }
4555: .LC_docs_remove {
1.545 albertel 4556: color: #990000;
4557: }
4558:
1.547 albertel 4559: .LC_docs_reinit_warn,
4560: .LC_docs_ext_edit {
4561: font-size: x-small;
4562: }
4563:
1.545 albertel 4564: .LC_docs_editor td.LC_docs_entry_title,
4565: .LC_docs_editor td.LC_docs_entry_icon {
4566: background: #FFFFBB;
4567: }
4568: .LC_docs_editor td.LC_docs_entry_parameter {
4569: background: #BBBBFF;
4570: font-size: x-small;
4571: white-space: nowrap;
4572: }
4573:
4574: table.LC_docs_adddocs td,
4575: table.LC_docs_adddocs th {
4576: border: 1px solid #BBBBBB;
4577: padding: 4px;
4578: background: #DDDDDD;
1.543 albertel 4579: }
4580:
1.343 albertel 4581: END
4582: }
4583:
1.306 albertel 4584: =pod
4585:
4586: =item * &headtag()
4587:
4588: Returns a uniform footer for LON-CAPA web pages.
4589:
1.307 albertel 4590: Inputs: $title - optional title for the head
4591: $head_extra - optional extra HTML to put inside the <head>
1.315 albertel 4592: $args - optional arguments
1.319 albertel 4593: force_register - if is true call registerurl so the remote is
4594: informed
1.415 albertel 4595: redirect -> array ref of
4596: 1- seconds before redirect occurs
4597: 2- url to redirect to
4598: 3- whether the side effect should occur
1.315 albertel 4599: (side effect of setting
4600: $env{'internal.head.redirect'} to the url
4601: redirected too)
1.352 albertel 4602: domain -> force to color decorate a page for a specific
4603: domain
4604: function -> force usage of a specific rolish color scheme
4605: bgcolor -> override the default page bgcolor
1.460 albertel 4606: no_auto_mt_title
4607: -> prevent &mt()ing the title arg
1.464 albertel 4608:
1.306 albertel 4609: =cut
4610:
4611: sub headtag {
1.313 albertel 4612: my ($title,$head_extra,$args) = @_;
1.306 albertel 4613:
1.363 albertel 4614: my $function = $args->{'function'} || &get_users_function();
4615: my $domain = $args->{'domain'} || &determinedomain();
4616: my $bgcolor = $args->{'bgcolor'} || &designparm($function.'.pgbg',$domain);
1.418 albertel 4617: my $url = join(':',$env{'user.name'},$env{'user.domain'},
1.458 albertel 4618: $Apache::lonnet::perlvar{'lonVersion'},
1.531 albertel 4619: #time(),
1.418 albertel 4620: $env{'environment.color.timestamp'},
1.363 albertel 4621: $function,$domain,$bgcolor);
4622:
1.369 www 4623: $url = '/adm/css/'.&escape($url).'.css';
1.363 albertel 4624:
1.308 albertel 4625: my $result =
4626: '<head>'.
1.461 albertel 4627: &font_settings();
1.319 albertel 4628:
1.461 albertel 4629: if (!$args->{'frameset'}) {
4630: $result .= &Apache::lonhtmlcommon::htmlareaheaders();
4631: }
1.319 albertel 4632: if ($args->{'force_register'}) {
4633: $result .= &Apache::lonmenu::registerurl(1);
4634: }
1.436 albertel 4635: if (!$args->{'no_nav_bar'}
4636: && !$args->{'only_body'}
4637: && !$args->{'frameset'}) {
4638: $result .= &help_menu_js();
4639: }
1.319 albertel 4640:
1.314 albertel 4641: if (ref($args->{'redirect'})) {
1.414 albertel 4642: my ($time,$url,$inhibit_continue) = @{$args->{'redirect'}};
1.315 albertel 4643: $url = &Apache::lonenc::check_encrypt($url);
1.414 albertel 4644: if (!$inhibit_continue) {
4645: $env{'internal.head.redirect'} = $url;
4646: }
1.313 albertel 4647: $result.=<<ADDMETA
4648: <meta http-equiv="pragma" content="no-cache" />
1.344 albertel 4649: <meta http-equiv="Refresh" content="$time; url=$url" />
1.313 albertel 4650: ADDMETA
4651: }
1.306 albertel 4652: if (!defined($title)) {
4653: $title = 'The LearningOnline Network with CAPA';
4654: }
1.460 albertel 4655: if (!$args->{'no_auto_mt_title'}) { $title = &mt($title); }
4656: $result .= '<title> LON-CAPA '.$title.'</title>'
1.414 albertel 4657: .'<link rel="stylesheet" type="text/css" href="'.$url.'" />'
4658: .$head_extra;
1.306 albertel 4659: return $result;
4660: }
4661:
4662: =pod
4663:
1.340 albertel 4664: =item * &font_settings()
4665:
4666: Returns neccessary <meta> to set the proper encoding
4667:
4668: Inputs: none
4669:
4670: =cut
4671:
4672: sub font_settings {
4673: my $headerstring='';
4674: if (($env{'browser.os'} eq 'mac') && (!$env{'browser.mathml'})) {
4675: $headerstring.=
4676: '<meta Content-Type="text/html; charset=x-mac-roman" />';
4677: } elsif (!$env{'browser.mathml'} && $env{'browser.unicode'}) {
4678: $headerstring.=
4679: '<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />';
4680: }
4681: return $headerstring;
4682: }
4683:
1.341 albertel 4684: =pod
4685:
4686: =item * &xml_begin()
4687:
4688: Returns the needed doctype and <html>
4689:
4690: Inputs: none
4691:
4692: =cut
4693:
4694: sub xml_begin {
4695: my $output='';
4696:
1.342 albertel 4697: &Apache::lonhtmlcommon::init_htmlareafields();
4698:
1.341 albertel 4699: if ($env{'browser.mathml'}) {
4700: $output='<?xml version="1.0"?>'
4701: #.'<?xml-stylesheet type="text/css" href="/adm/MathML/mathml.css"?>'."\n"
4702: # .'<!DOCTYPE html SYSTEM "/adm/MathML/mathml.dtd" '
4703:
4704: # .'<!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">] >'
4705: .'<!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">'
4706: .'<html xmlns:math="http://www.w3.org/1998/Math/MathML" '
4707: .'xmlns="http://www.w3.org/1999/xhtml">';
4708: } else {
4709: $output='<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html>';
4710: }
4711: return $output;
4712: }
1.340 albertel 4713:
4714: =pod
4715:
1.306 albertel 4716: =item * &endheadtag()
4717:
4718: Returns a uniform </head> for LON-CAPA web pages.
4719:
4720: Inputs: none
4721:
4722: =cut
4723:
4724: sub endheadtag {
4725: return '</head>';
4726: }
4727:
4728: =pod
4729:
4730: =item * &head()
4731:
4732: Returns a uniform complete <head>..</head> section for LON-CAPA web pages.
4733:
4734: Inputs: $title - optional title for the page
1.307 albertel 4735: $head_extra - optional extra HTML to put inside the <head>
1.405 albertel 4736:
1.306 albertel 4737: =cut
4738:
4739: sub head {
1.325 albertel 4740: my ($title,$head_extra,$args) = @_;
4741: return &headtag($title,$head_extra,$args).&endheadtag();
1.306 albertel 4742: }
4743:
4744: =pod
4745:
4746: =item * &start_page()
4747:
4748: Returns a complete <html> .. <body> section for LON-CAPA web pages.
4749:
4750: Inputs: $title - optional title for the page
4751: $head_extra - optional extra HTML to incude inside the <head>
1.315 albertel 4752: $args - additional optional args supported are:
1.317 albertel 4753: only_body -> is true will set &bodytag() onlybodytag
4754: arg on
4755: no_nav_bar -> is true will set &bodytag() notopbar arg on
4756: add_entries -> additional attributes to add to the <body>
4757: domain -> force to color decorate a page for a
4758: specific domain
4759: function -> force usage of a specific rolish color
4760: scheme
4761: redirect -> see &headtag()
4762: bgcolor -> override the default page bg color
4763: js_ready -> return a string ready for being used in
4764: a javascript writeln
1.320 albertel 4765: html_encode -> return a string ready for being used in
4766: a html attribute
1.317 albertel 4767: force_register -> if is true will turn on the &bodytag()
4768: $forcereg arg
1.326 albertel 4769: body_title -> alternate text to use instead of $title
4770: in the title box that appears, this text
4771: is not auto translated like the $title is
1.330 albertel 4772: frameset -> if true will start with a <frameset>
4773: rather than <body>
1.338 albertel 4774: no_title -> if true the title bar won't be shown
4775: skip_phases -> hash ref of
4776: head -> skip the <html><head> generation
4777: body -> skip all <body> generation
1.337 albertel 4778:
1.361 albertel 4779: no_inline_link -> if true and in remote mode, don't show the
4780: 'Switch To Inline Menu' link
4781:
1.460 albertel 4782: no_auto_mt_title -> prevent &mt()ing the title arg
4783:
1.562 albertel 4784: inherit_jsmath -> when creating popup window in a page,
4785: should it have jsmath forced on by the
4786: current page
4787:
1.306 albertel 4788: =cut
4789:
4790: sub start_page {
1.309 albertel 4791: my ($title,$head_extra,$args) = @_;
1.318 albertel 4792: #&Apache::lonnet::logthis("start_page ".join(':',caller(0)));
1.313 albertel 4793: my %head_args;
1.352 albertel 4794: foreach my $arg ('redirect','force_register','domain','function',
1.460 albertel 4795: 'bgcolor','frameset','no_nav_bar','only_body',
4796: 'no_auto_mt_title') {
1.319 albertel 4797: if (defined($args->{$arg})) {
1.324 raeburn 4798: $head_args{$arg} = $args->{$arg};
1.319 albertel 4799: }
1.313 albertel 4800: }
1.319 albertel 4801:
1.315 albertel 4802: $env{'internal.start_page'}++;
1.338 albertel 4803: my $result;
4804: if (! exists($args->{'skip_phases'}{'head'}) ) {
4805: $result.=
1.341 albertel 4806: &xml_begin().
1.338 albertel 4807: &headtag($title,$head_extra,\%head_args).&endheadtag();
4808: }
4809:
4810: if (! exists($args->{'skip_phases'}{'body'}) ) {
4811: if ($args->{'frameset'}) {
4812: my $attr_string = &make_attr_string($args->{'force_register'},
4813: $args->{'add_entries'});
4814: $result .= "\n<frameset $attr_string>\n";
4815: } else {
4816: $result .=
4817: &bodytag($title,
4818: $args->{'function'}, $args->{'add_entries'},
4819: $args->{'only_body'}, $args->{'domain'},
4820: $args->{'force_register'}, $args->{'body_title'},
4821: $args->{'no_nav_bar'}, $args->{'bgcolor'},
1.460 albertel 4822: $args->{'no_title'}, $args->{'no_inline_link'},
4823: $args);
1.338 albertel 4824: }
1.330 albertel 4825: }
1.338 albertel 4826:
1.315 albertel 4827: if ($args->{'js_ready'}) {
1.317 albertel 4828: $result = &js_ready($result);
1.315 albertel 4829: }
1.320 albertel 4830: if ($args->{'html_encode'}) {
4831: $result = &html_encode($result);
4832: }
1.315 albertel 4833: return $result;
1.306 albertel 4834: }
4835:
1.330 albertel 4836:
1.306 albertel 4837: =pod
4838:
4839: =item * &head()
4840:
4841: Returns a complete </body></html> section for LON-CAPA web pages.
4842:
1.315 albertel 4843: Inputs: $args - additional optional args supported are:
4844: js_ready -> return a string ready for being used in
4845: a javascript writeln
1.320 albertel 4846: html_encode -> return a string ready for being used in
4847: a html attribute
1.330 albertel 4848: frameset -> if true will start with a <frameset>
4849: rather than <body>
1.493 albertel 4850: dicsussion -> if true will get discussion from
4851: lonxml::xmlend
4852: (you can pass the target and parser arguments
4853: through optional 'target' and 'parser' args
4854: to this routine)
1.306 albertel 4855:
4856: =cut
4857:
4858: sub end_page {
1.315 albertel 4859: my ($args) = @_;
4860: $env{'internal.end_page'}++;
1.330 albertel 4861: my $result;
1.335 albertel 4862: if ($args->{'discussion'}) {
4863: my ($target,$parser);
4864: if (ref($args->{'discussion'})) {
4865: ($target,$parser) =($args->{'discussion'}{'target'},
4866: $args->{'discussion'}{'parser'});
4867: }
4868: $result .= &Apache::lonxml::xmlend($target,$parser);
4869: }
4870:
1.330 albertel 4871: if ($args->{'frameset'}) {
4872: $result .= '</frameset>';
4873: } else {
4874: $result .= &endbodytag();
4875: }
4876: $result .= "\n</html>";
4877:
1.315 albertel 4878: if ($args->{'js_ready'}) {
1.317 albertel 4879: $result = &js_ready($result);
1.315 albertel 4880: }
1.335 albertel 4881:
1.320 albertel 4882: if ($args->{'html_encode'}) {
4883: $result = &html_encode($result);
4884: }
1.335 albertel 4885:
1.315 albertel 4886: return $result;
4887: }
4888:
1.320 albertel 4889: sub html_encode {
4890: my ($result) = @_;
4891:
1.322 albertel 4892: $result = &HTML::Entities::encode($result,'<>&"');
1.320 albertel 4893:
4894: return $result;
4895: }
1.317 albertel 4896: sub js_ready {
4897: my ($result) = @_;
4898:
1.323 albertel 4899: $result =~ s/[\n\r]/ /xmsg;
4900: $result =~ s/\\/\\\\/xmsg;
4901: $result =~ s/'/\\'/xmsg;
1.372 albertel 4902: $result =~ s{</}{<\\/}xmsg;
1.317 albertel 4903:
4904: return $result;
4905: }
4906:
1.315 albertel 4907: sub validate_page {
4908: if ( exists($env{'internal.start_page'})
1.316 albertel 4909: && $env{'internal.start_page'} > 1) {
4910: &Apache::lonnet::logthis('start_page called multiple times '.
1.318 albertel 4911: $env{'internal.start_page'}.' '.
1.316 albertel 4912: $ENV{'request.filename'});
1.315 albertel 4913: }
4914: if ( exists($env{'internal.end_page'})
1.316 albertel 4915: && $env{'internal.end_page'} > 1) {
4916: &Apache::lonnet::logthis('end_page called multiple times '.
1.318 albertel 4917: $env{'internal.end_page'}.' '.
1.316 albertel 4918: $env{'request.filename'});
1.315 albertel 4919: }
4920: if ( exists($env{'internal.start_page'})
4921: && ! exists($env{'internal.end_page'})) {
1.316 albertel 4922: &Apache::lonnet::logthis('start_page called without end_page '.
4923: $env{'request.filename'});
1.315 albertel 4924: }
4925: if ( ! exists($env{'internal.start_page'})
4926: && exists($env{'internal.end_page'})) {
1.316 albertel 4927: &Apache::lonnet::logthis('end_page called without start_page'.
4928: $env{'request.filename'});
1.315 albertel 4929: }
1.306 albertel 4930: }
1.315 albertel 4931:
1.318 albertel 4932: sub simple_error_page {
4933: my ($r,$title,$msg) = @_;
4934: my $page =
4935: &Apache::loncommon::start_page($title).
4936: &mt($msg).
4937: &Apache::loncommon::end_page();
4938: if (ref($r)) {
4939: $r->print($page);
1.327 albertel 4940: return;
1.318 albertel 4941: }
4942: return $page;
4943: }
1.347 albertel 4944:
4945: {
4946: my $row_count;
4947: sub start_data_table {
1.422 albertel 4948: my ($add_class) = @_;
4949: my $css_class = (join(' ','LC_data_table',$add_class));
1.347 albertel 4950: undef($row_count);
1.422 albertel 4951: return '<table class="'.$css_class.'">'."\n";
1.347 albertel 4952: }
4953:
4954: sub end_data_table {
4955: undef($row_count);
1.389 albertel 4956: return '</table>'."\n";;
1.347 albertel 4957: }
4958:
4959: sub start_data_table_row {
1.422 albertel 4960: my ($add_class) = @_;
1.347 albertel 4961: $row_count++;
1.422 albertel 4962: my $css_class = ($row_count % 2)?'':'LC_even_row';
1.428 albertel 4963: $css_class = (join(' ',$css_class,$add_class));
1.422 albertel 4964: return '<tr class="'.$css_class.'">'."\n";;
1.347 albertel 4965: }
1.471 banghart 4966:
4967: sub continue_data_table_row {
4968: my ($add_class) = @_;
4969: my $css_class = ($row_count % 2)?'':'LC_even_row';
4970: $css_class = (join(' ',$css_class,$add_class));
4971: return '<tr class="'.$css_class.'">'."\n";;
4972: }
1.347 albertel 4973:
4974: sub end_data_table_row {
1.389 albertel 4975: return '</tr>'."\n";;
1.347 albertel 4976: }
1.367 www 4977:
1.421 albertel 4978: sub start_data_table_empty_row {
4979: $row_count++;
4980: return '<tr class="LC_empty_row" >'."\n";;
4981: }
4982:
4983: sub end_data_table_empty_row {
4984: return '</tr>'."\n";;
4985: }
4986:
1.367 www 4987: sub start_data_table_header_row {
1.389 albertel 4988: return '<tr class="LC_header_row">'."\n";;
1.367 www 4989: }
4990:
4991: sub end_data_table_header_row {
1.389 albertel 4992: return '</tr>'."\n";;
1.367 www 4993: }
1.347 albertel 4994: }
4995:
1.548 albertel 4996: =pod
4997:
4998: =item * &inhibit_menu_check($arg)
4999:
5000: Checks for a inhibitmenu state and generates output to preserve it
5001:
5002: Inputs: $arg - can be any of
5003: - undef - in which case the return value is a string
5004: to add into arguments list of a uri
5005: - 'input' - in which case the return value is a HTML
5006: <form> <input> field of type hidden to
5007: preserve the value
5008: - a url - in which case the return value is the url with
5009: the neccesary cgi args added to preserve the
5010: inhibitmenu state
5011: - a ref to a url - no return value, but the string is
5012: updated to include the neccessary cgi
5013: args to preserve the inhibitmenu state
5014:
5015: =cut
5016:
5017: sub inhibit_menu_check {
5018: my ($arg) = @_;
5019: &get_unprocessed_cgi($ENV{'QUERY_STRING'}, ['inhibitmenu']);
5020: if ($arg eq 'input') {
5021: if ($env{'form.inhibitmenu'}) {
5022: return '<input type="hidden" name="inhibitmenu" value="'.$env{'form.inhibitmenu'}.'" />';
5023: } else {
5024: return
5025: }
5026: }
5027: if ($env{'form.inhibitmenu'}) {
5028: if (ref($arg)) {
5029: $$arg .= '?inhibitmenu='.$env{'form.inhibitmenu'};
5030: } elsif ($arg eq '') {
5031: $arg .= 'inhibitmenu='.$env{'form.inhibitmenu'};
5032: } else {
5033: $arg .= '?inhibitmenu='.$env{'form.inhibitmenu'};
5034: }
5035: }
5036: if (!ref($arg)) {
5037: return $arg;
5038: }
5039: }
5040:
1.251 albertel 5041: ###############################################
1.182 matthew 5042:
5043: =pod
5044:
1.549 albertel 5045: =back
5046:
5047: =head1 User Information Routines
5048:
5049: =over 4
5050:
1.405 albertel 5051: =item * &get_users_function()
1.182 matthew 5052:
5053: Used by &bodytag to determine the current users primary role.
5054: Returns either 'student','coordinator','admin', or 'author'.
5055:
5056: =cut
5057:
5058: ###############################################
5059: sub get_users_function {
5060: my $function = 'student';
1.258 albertel 5061: if ($env{'request.role'}=~/^(cc|in|ta|ep)/) {
1.182 matthew 5062: $function='coordinator';
5063: }
1.258 albertel 5064: if ($env{'request.role'}=~/^(su|dc|ad|li)/) {
1.182 matthew 5065: $function='admin';
5066: }
1.258 albertel 5067: if (($env{'request.role'}=~/^(au|ca)/) ||
1.182 matthew 5068: ($ENV{'REQUEST_URI'}=~/^(\/priv|\~)/)) {
5069: $function='author';
5070: }
5071: return $function;
1.54 www 5072: }
1.99 www 5073:
5074: ###############################################
5075:
1.233 raeburn 5076: =pod
5077:
1.542 raeburn 5078: =item * &check_user_status()
1.274 raeburn 5079:
5080: Determines current status of supplied role for a
5081: specific user. Roles can be active, previous or future.
5082:
5083: Inputs:
5084: user's domain, user's username, course's domain,
1.375 raeburn 5085: course's number, optional section ID.
1.274 raeburn 5086:
5087: Outputs:
5088: role status: active, previous or future.
5089:
5090: =cut
5091:
5092: sub check_user_status {
1.412 raeburn 5093: my ($udom,$uname,$cdom,$crs,$role,$sec) = @_;
1.274 raeburn 5094: my %userinfo = &Apache::lonnet::dump('roles',$udom,$uname);
5095: my @uroles = keys %userinfo;
5096: my $srchstr;
5097: my $active_chk = 'none';
1.412 raeburn 5098: my $now = time;
1.274 raeburn 5099: if (@uroles > 0) {
1.412 raeburn 5100: if (($role eq 'cc') || ($sec eq '') || (!defined($sec))) {
1.274 raeburn 5101: $srchstr = '/'.$cdom.'/'.$crs.'_'.$role;
5102: } else {
1.412 raeburn 5103: $srchstr = '/'.$cdom.'/'.$crs.'/'.$sec.'_'.$role;
5104: }
5105: if (grep/^\Q$srchstr\E$/,@uroles) {
1.274 raeburn 5106: my $role_end = 0;
5107: my $role_start = 0;
5108: $active_chk = 'active';
1.412 raeburn 5109: if ($userinfo{$srchstr} =~ m/^\Q$role\E_(\d+)/) {
5110: $role_end = $1;
5111: if ($userinfo{$srchstr} =~ m/^\Q$role\E_\Q$role_end\E_(\d+)$/) {
5112: $role_start = $1;
1.274 raeburn 5113: }
5114: }
5115: if ($role_start > 0) {
1.412 raeburn 5116: if ($now < $role_start) {
1.274 raeburn 5117: $active_chk = 'future';
5118: }
5119: }
5120: if ($role_end > 0) {
1.412 raeburn 5121: if ($now > $role_end) {
1.274 raeburn 5122: $active_chk = 'previous';
5123: }
5124: }
5125: }
5126: }
5127: return $active_chk;
5128: }
5129:
5130: ###############################################
5131:
5132: =pod
5133:
1.405 albertel 5134: =item * &get_sections()
1.233 raeburn 5135:
5136: Determines all the sections for a course including
5137: sections with students and sections containing other roles.
1.419 raeburn 5138: Incoming parameters:
5139:
5140: 1. domain
5141: 2. course number
5142: 3. reference to array containing roles for which sections should
5143: be gathered (optional).
5144: 4. reference to array containing status types for which sections
5145: should be gathered (optional).
5146:
5147: If the third argument is undefined, sections are gathered for any role.
5148: If the fourth argument is undefined, sections are gathered for any status.
5149: Permissible values are 'active' or 'future' or 'previous'.
1.233 raeburn 5150:
1.374 raeburn 5151: Returns section hash (keys are section IDs, values are
5152: number of users in each section), subject to the
1.419 raeburn 5153: optional roles filter, optional status filter
1.233 raeburn 5154:
5155: =cut
5156:
5157: ###############################################
5158: sub get_sections {
1.419 raeburn 5159: my ($cdom,$cnum,$possible_roles,$possible_status) = @_;
1.366 albertel 5160: if (!defined($cdom) || !defined($cnum)) {
5161: my $cid = $env{'request.course.id'};
5162:
5163: return if (!defined($cid));
5164:
5165: $cdom = $env{'course.'.$cid.'.domain'};
5166: $cnum = $env{'course.'.$cid.'.num'};
5167: }
5168:
5169: my %sectioncount;
1.419 raeburn 5170: my $now = time;
1.240 albertel 5171:
1.366 albertel 5172: if (!defined($possible_roles) || (grep(/^st$/,@$possible_roles))) {
1.276 albertel 5173: my ($classlist) = &Apache::loncoursedata::get_classlist($cdom,$cnum);
1.240 albertel 5174: my $sec_index = &Apache::loncoursedata::CL_SECTION();
5175: my $status_index = &Apache::loncoursedata::CL_STATUS();
1.419 raeburn 5176: my $start_index = &Apache::loncoursedata::CL_START();
5177: my $end_index = &Apache::loncoursedata::CL_END();
5178: my $status;
1.366 albertel 5179: while (my ($student,$data) = each(%$classlist)) {
1.419 raeburn 5180: my ($section,$stu_status,$start,$end) = ($data->[$sec_index],
5181: $data->[$status_index],
5182: $data->[$start_index],
5183: $data->[$end_index]);
5184: if ($stu_status eq 'Active') {
5185: $status = 'active';
5186: } elsif ($end < $now) {
5187: $status = 'previous';
5188: } elsif ($start > $now) {
5189: $status = 'future';
5190: }
5191: if ($section ne '-1' && $section !~ /^\s*$/) {
5192: if ((!defined($possible_status)) || (($status ne '') &&
5193: (grep/^\Q$status\E$/,@{$possible_status}))) {
5194: $sectioncount{$section}++;
5195: }
1.240 albertel 5196: }
5197: }
5198: }
5199: my %courseroles = &Apache::lonnet::dump('nohist_userroles',$cdom,$cnum);
5200: foreach my $user (sort(keys(%courseroles))) {
5201: if ($user !~ /^(\w{2})/) { next; }
5202: my ($role) = ($user =~ /^(\w{2})/);
5203: if ($possible_roles && !(grep(/^$role$/,@$possible_roles))) { next; }
1.419 raeburn 5204: my ($section,$status);
1.240 albertel 5205: if ($role eq 'cr' &&
5206: $user =~ m-^$role/[^/]*/[^/]*/[^/]*:[^:]*:[^:]*:(\w+)-) {
5207: $section=$1;
5208: }
5209: if ($user =~ /^$role:[^:]*:[^:]*:(\w+)/) { $section=$1; }
5210: if (!defined($section) || $section eq '-1') { next; }
1.419 raeburn 5211: my ($end,$start) = ($courseroles{$user} =~ /^([^:]*):([^:]*)$/);
5212: if ($end == -1 && $start == -1) {
5213: next; #deleted role
5214: }
5215: if (!defined($possible_status)) {
5216: $sectioncount{$section}++;
5217: } else {
5218: if ((!$end || $end >= $now) && (!$start || $start <= $now)) {
5219: $status = 'active';
5220: } elsif ($end < $now) {
5221: $status = 'future';
5222: } elsif ($start > $now) {
5223: $status = 'previous';
5224: }
5225: if (($status ne '') && (grep/^\Q$status\E$/,@{$possible_status})) {
5226: $sectioncount{$section}++;
5227: }
5228: }
1.233 raeburn 5229: }
1.366 albertel 5230: return %sectioncount;
1.233 raeburn 5231: }
5232:
1.274 raeburn 5233: ###############################################
1.294 raeburn 5234:
5235: =pod
1.405 albertel 5236:
5237: =item * &get_course_users()
5238:
1.275 raeburn 5239: Retrieves usernames:domains for users in the specified course
5240: with specific role(s), and access status.
5241:
5242: Incoming parameters:
1.277 albertel 5243: 1. course domain
5244: 2. course number
5245: 3. access status: users must have - either active,
1.275 raeburn 5246: previous, future, or all.
1.277 albertel 5247: 4. reference to array of permissible roles
1.288 raeburn 5248: 5. reference to array of section restrictions (optional)
5249: 6. reference to results object (hash of hashes).
5250: 7. reference to optional userdata hash
1.275 raeburn 5251: Keys of top level hash are roles.
5252: Keys of inner hashes are username:domain, with
5253: values set to access type.
1.288 raeburn 5254: Optional userdata hash returns an array with arguments in the
5255: same order as loncoursedata::get_classlist() for student data.
5256:
5257: Entries for end, start, section and status are blank because
5258: of the possibility of multiple values for non-student roles.
5259:
1.275 raeburn 5260: =cut
1.405 albertel 5261:
1.275 raeburn 5262: ###############################################
1.405 albertel 5263:
1.275 raeburn 5264: sub get_course_users {
1.288 raeburn 5265: my ($cdom,$cnum,$types,$roles,$sections,$users,$userdata) = @_;
5266: my %idx = ();
1.419 raeburn 5267: my %seclists;
1.288 raeburn 5268:
5269: $idx{udom} = &Apache::loncoursedata::CL_SDOM();
5270: $idx{uname} = &Apache::loncoursedata::CL_SNAME();
5271: $idx{end} = &Apache::loncoursedata::CL_END();
5272: $idx{start} = &Apache::loncoursedata::CL_START();
5273: $idx{id} = &Apache::loncoursedata::CL_ID();
5274: $idx{section} = &Apache::loncoursedata::CL_SECTION();
5275: $idx{fullname} = &Apache::loncoursedata::CL_FULLNAME();
5276: $idx{status} = &Apache::loncoursedata::CL_STATUS();
5277:
1.290 albertel 5278: if (grep(/^st$/,@{$roles})) {
1.276 albertel 5279: my ($classlist,$keylist)=&Apache::loncoursedata::get_classlist($cdom,$cnum);
1.278 raeburn 5280: my $now = time;
1.277 albertel 5281: foreach my $student (keys(%{$classlist})) {
1.288 raeburn 5282: my $match = 0;
1.412 raeburn 5283: my $secmatch = 0;
1.419 raeburn 5284: my $section = $$classlist{$student}[$idx{section}];
5285: if ($section eq '') {
5286: $section = 'none';
5287: }
1.291 albertel 5288: if ((ref($sections) eq 'ARRAY') && (@{$sections} > 0)) {
1.420 albertel 5289: if (grep(/^all$/,@{$sections})) {
1.412 raeburn 5290: $secmatch = 1;
5291: } elsif ($$classlist{$student}[$idx{section}] eq '') {
1.420 albertel 5292: if (grep(/^none$/,@{$sections})) {
1.412 raeburn 5293: $secmatch = 1;
5294: }
5295: } else {
1.419 raeburn 5296: if (grep(/^\Q$section\E$/,@{$sections})) {
1.412 raeburn 5297: $secmatch = 1;
5298: }
1.290 albertel 5299: }
1.412 raeburn 5300: if (!$secmatch) {
5301: next;
5302: }
1.419 raeburn 5303: }
1.420 albertel 5304: push(@{$seclists{$student}},$section);
1.275 raeburn 5305: if (defined($$types{'active'})) {
1.288 raeburn 5306: if ($$classlist{$student}[$idx{status}] eq 'Active') {
1.275 raeburn 5307: push(@{$$users{st}{$student}},'active');
1.288 raeburn 5308: $match = 1;
1.275 raeburn 5309: }
5310: }
5311: if (defined($$types{'previous'})) {
1.288 raeburn 5312: if ($$classlist{$student}[$idx{end}] <= $now) {
1.275 raeburn 5313: push(@{$$users{st}{$student}},'previous');
1.288 raeburn 5314: $match = 1;
1.275 raeburn 5315: }
5316: }
5317: if (defined($$types{'future'})) {
1.288 raeburn 5318: if (($$classlist{$student}[$idx{start}] > $now) && ($$classlist{$student}[$idx{end}] > $now) || ($$classlist{$student}[$idx{end}] == 0) || ($$classlist{$student}[$idx{end}] eq '')) {
1.275 raeburn 5319: push(@{$$users{st}{$student}},'future');
1.288 raeburn 5320: $match = 1;
1.275 raeburn 5321: }
5322: }
1.412 raeburn 5323: if ($match && ref($userdata) eq 'HASH') {
1.288 raeburn 5324: $$userdata{$student} = $$classlist{$student};
5325: }
1.275 raeburn 5326: }
5327: }
1.412 raeburn 5328: if ((@{$roles} > 1) || ((@{$roles} == 1) && ($$roles[0] ne "st"))) {
1.439 raeburn 5329: my %coursepersonnel = &Apache::lonnet::dump('nohist_userroles',$cdom,$cnum);
5330: my $now = time;
5331: foreach my $person (sort(keys(%coursepersonnel))) {
1.288 raeburn 5332: my $match = 0;
1.412 raeburn 5333: my $secmatch = 0;
1.439 raeburn 5334: my $status;
1.412 raeburn 5335: my ($role,$user,$usec) = ($person =~ /^([^:]*):([^:]+:[^:]+):([^:]*)/);
1.275 raeburn 5336: $user =~ s/:$//;
1.439 raeburn 5337: my ($end,$start) = split(/:/,$coursepersonnel{$person});
5338: if ($end == -1 || $start == -1) {
5339: next;
5340: }
5341: if (($role) && ((grep(/^\Q$role\E$/,@{$roles})) ||
5342: (grep(/^cr$/,@{$roles}) && $role =~ /^cr\//))) {
1.412 raeburn 5343: my ($uname,$udom) = split(/:/,$user);
5344: if ((ref($sections) eq 'ARRAY') && (@{$sections} > 0)) {
1.420 albertel 5345: if (grep(/^all$/,@{$sections})) {
1.412 raeburn 5346: $secmatch = 1;
5347: } elsif ($usec eq '') {
1.420 albertel 5348: if (grep(/^none$/,@{$sections})) {
1.412 raeburn 5349: $secmatch = 1;
5350: }
5351: } else {
5352: if (grep(/^\Q$usec\E$/,@{$sections})) {
5353: $secmatch = 1;
5354: }
5355: }
5356: if (!$secmatch) {
5357: next;
5358: }
1.288 raeburn 5359: }
1.419 raeburn 5360: if ($usec eq '') {
5361: $usec = 'none';
5362: }
1.275 raeburn 5363: if ($uname ne '' && $udom ne '') {
1.503 raeburn 5364: if ($end > 0 && $end < $now) {
1.439 raeburn 5365: $status = 'previous';
5366: } elsif ($start > $now) {
5367: $status = 'future';
5368: } else {
5369: $status = 'active';
5370: }
1.277 albertel 5371: foreach my $type (keys(%{$types})) {
1.275 raeburn 5372: if ($status eq $type) {
1.420 albertel 5373: if (!grep(/^\Q$type\E$/,@{$$users{$role}{$user}})) {
1.419 raeburn 5374: push(@{$$users{$role}{$user}},$type);
5375: }
1.288 raeburn 5376: $match = 1;
5377: }
5378: }
1.419 raeburn 5379: if (($match) && (ref($userdata) eq 'HASH')) {
5380: if (!exists($$userdata{$uname.':'.$udom})) {
5381: &get_user_info($udom,$uname,\%idx,$userdata);
5382: }
1.420 albertel 5383: if (!grep(/^\Q$usec\E$/,@{$seclists{$uname.':'.$udom}})) {
1.419 raeburn 5384: push(@{$seclists{$uname.':'.$udom}},$usec);
5385: }
1.275 raeburn 5386: }
5387: }
5388: }
5389: }
1.290 albertel 5390: if (grep(/^ow$/,@{$roles})) {
1.279 raeburn 5391: if ((defined($cdom)) && (defined($cnum))) {
5392: my %csettings = &Apache::lonnet::get('environment',['internal.courseowner'],$cdom,$cnum);
5393: if ( defined($csettings{'internal.courseowner'}) ) {
5394: my $owner = $csettings{'internal.courseowner'};
1.439 raeburn 5395: if ($owner !~ /^[^:]+:[^:]+$/) {
5396: $owner = $owner.':'.$cdom;
5397: }
5398: @{$$users{'ow'}{$owner}} = 'any';
1.290 albertel 5399: if (defined($userdata) &&
5400: !exists($$userdata{$owner.':'.$cdom})) {
5401: &get_user_info($cdom,$owner,\%idx,$userdata);
1.420 albertel 5402: if (!grep(/^none$/,@{$seclists{$owner.':'.$cdom}})) {
1.419 raeburn 5403: push(@{$seclists{$owner.':'.$cdom}},'none');
5404: }
1.290 albertel 5405: }
1.279 raeburn 5406: }
5407: }
5408: }
1.419 raeburn 5409: foreach my $user (keys(%seclists)) {
5410: @{$seclists{$user}} = (sort {$a <=> $b} @{$seclists{$user}});
5411: $$userdata{$user}[$idx{section}] = join(',',@{$seclists{$user}});
5412: }
1.275 raeburn 5413: }
5414: return;
5415: }
5416:
1.288 raeburn 5417: sub get_user_info {
5418: my ($udom,$uname,$idx,$userdata) = @_;
1.289 albertel 5419: $$userdata{$uname.':'.$udom}[$$idx{fullname}] =
5420: &plainname($uname,$udom,'lastname');
1.291 albertel 5421: $$userdata{$uname.':'.$udom}[$$idx{uname}] = $uname;
1.297 raeburn 5422: $$userdata{$uname.':'.$udom}[$$idx{udom}] = $udom;
1.288 raeburn 5423: return;
5424: }
1.275 raeburn 5425:
1.472 raeburn 5426: ###############################################
5427:
5428: =pod
5429:
5430: =item * &get_user_quota()
5431:
5432: Retrieves quota assigned for storage of portfolio files for a user
5433:
5434: Incoming parameters:
5435: 1. user's username
5436: 2. user's domain
5437:
5438: Returns:
1.536 raeburn 5439: 1. Disk quota (in Mb) assigned to student.
5440: 2. (Optional) Type of setting: custom or default
5441: (individually assigned or default for user's
5442: institutional status).
5443: 3. (Optional) - User's institutional status (e.g., faculty, staff
5444: or student - types as defined in localenroll::inst_usertypes
5445: for user's domain, which determines default quota for user.
5446: 4. (Optional) - Default quota which would apply to the user.
1.472 raeburn 5447:
5448: If a value has been stored in the user's environment,
1.536 raeburn 5449: it will return that, otherwise it returns the maximal default
5450: defined for the user's instituional status(es) in the domain.
1.472 raeburn 5451:
5452: =cut
5453:
5454: ###############################################
5455:
5456:
5457: sub get_user_quota {
5458: my ($uname,$udom) = @_;
1.536 raeburn 5459: my ($quota,$quotatype,$settingstatus,$defquota);
1.472 raeburn 5460: if (!defined($udom)) {
5461: $udom = $env{'user.domain'};
5462: }
5463: if (!defined($uname)) {
5464: $uname = $env{'user.name'};
5465: }
5466: if (($udom eq '' || $uname eq '') ||
5467: ($udom eq 'public') && ($uname eq 'public')) {
5468: $quota = 0;
1.536 raeburn 5469: $quotatype = 'default';
5470: $defquota = 0;
1.472 raeburn 5471: } else {
1.536 raeburn 5472: my $inststatus;
1.472 raeburn 5473: if ($udom eq $env{'user.domain'} && $uname eq $env{'user.name'}) {
5474: $quota = $env{'environment.portfolioquota'};
1.536 raeburn 5475: $inststatus = $env{'environment.inststatus'};
1.472 raeburn 5476: } else {
1.536 raeburn 5477: my %userenv =
5478: &Apache::lonnet::get('environment',['portfolioquota',
5479: 'inststatus'],$udom,$uname);
1.472 raeburn 5480: my ($tmp) = keys(%userenv);
5481: if ($tmp !~ /^(con_lost|error|no_such_host)/i) {
5482: $quota = $userenv{'portfolioquota'};
1.536 raeburn 5483: $inststatus = $userenv{'inststatus'};
1.472 raeburn 5484: } else {
5485: undef(%userenv);
5486: }
5487: }
1.536 raeburn 5488: ($defquota,$settingstatus) = &default_quota($udom,$inststatus);
1.472 raeburn 5489: if ($quota eq '') {
1.536 raeburn 5490: $quota = $defquota;
5491: $quotatype = 'default';
5492: } else {
5493: $quotatype = 'custom';
1.472 raeburn 5494: }
5495: }
1.536 raeburn 5496: if (wantarray) {
5497: return ($quota,$quotatype,$settingstatus,$defquota);
5498: } else {
5499: return $quota;
5500: }
1.472 raeburn 5501: }
5502:
5503: ###############################################
5504:
5505: =pod
5506:
5507: =item * &default_quota()
5508:
1.536 raeburn 5509: Retrieves default quota assigned for storage of user portfolio files,
5510: given an (optional) user's institutional status.
1.472 raeburn 5511:
5512: Incoming parameters:
5513: 1. domain
1.536 raeburn 5514: 2. (Optional) institutional status(es). This is a : separated list of
5515: status types (e.g., faculty, staff, student etc.)
5516: which apply to the user for whom the default is being retrieved.
5517: If the institutional status string in undefined, the domain
5518: default quota will be returned.
1.472 raeburn 5519:
5520: Returns:
5521: 1. Default disk quota (in Mb) for user portfolios in the domain.
1.536 raeburn 5522: 2. (Optional) institutional type which determined the value of the
5523: default quota.
1.472 raeburn 5524:
5525: If a value has been stored in the domain's configuration db,
5526: it will return that, otherwise it returns 20 (for backwards
5527: compatibility with domains which have not set up a configuration
5528: db file; the original statically defined portfolio quota was 20 Mb).
5529:
1.536 raeburn 5530: If the user's status includes multiple types (e.g., staff and student),
5531: the largest default quota which applies to the user determines the
5532: default quota returned.
5533:
1.472 raeburn 5534: =cut
5535:
5536: ###############################################
5537:
5538:
5539: sub default_quota {
1.536 raeburn 5540: my ($udom,$inststatus) = @_;
5541: my ($defquota,$settingstatus);
5542: my %quotahash = &Apache::lonnet::get_dom('configuration',
5543: ['quota'],$udom);
5544: if (ref($quotahash{'quota'}) eq 'HASH') {
5545: if ($inststatus ne '') {
5546: my @statuses = split(/:/,$inststatus);
5547: foreach my $item (@statuses) {
5548: if ($quotahash{'quota'}{$item} ne '') {
5549: if ($defquota eq '') {
5550: $defquota = $quotahash{'quota'}{$item};
5551: $settingstatus = $item;
5552: } elsif ($quotahash{'quota'}{$item} > $defquota) {
5553: $defquota = $quotahash{'quota'}{$item};
5554: $settingstatus = $item;
5555: }
5556: }
5557: }
5558: }
5559: if ($defquota eq '') {
5560: $defquota = $quotahash{'quota'}{'default'};
5561: $settingstatus = 'default';
5562: }
5563: } else {
5564: $settingstatus = 'default';
5565: $defquota = 20;
5566: }
5567: if (wantarray) {
5568: return ($defquota,$settingstatus);
1.472 raeburn 5569: } else {
1.536 raeburn 5570: return $defquota;
1.472 raeburn 5571: }
5572: }
5573:
1.384 raeburn 5574: sub get_secgrprole_info {
5575: my ($cdom,$cnum,$needroles,$type) = @_;
5576: my %sections_count = &get_sections($cdom,$cnum);
5577: my @sections = (sort {$a <=> $b} keys(%sections_count));
5578: my %curr_groups = &Apache::longroup::coursegroups($cdom,$cnum);
5579: my @groups = sort(keys(%curr_groups));
5580: my $allroles = [];
5581: my $rolehash;
5582: my $accesshash = {
5583: active => 'Currently has access',
5584: future => 'Will have future access',
5585: previous => 'Previously had access',
5586: };
5587: if ($needroles) {
5588: $rolehash = {'all' => 'all'};
1.385 albertel 5589: my %user_roles = &Apache::lonnet::dump('nohist_userroles',$cdom,$cnum);
5590: if (&Apache::lonnet::error(%user_roles)) {
5591: undef(%user_roles);
5592: }
5593: foreach my $item (keys(%user_roles)) {
1.384 raeburn 5594: my ($role)=split(/\:/,$item,2);
5595: if ($role eq 'cr') { next; }
5596: if ($role =~ /^cr/) {
5597: $$rolehash{$role} = (split('/',$role))[3];
5598: } else {
5599: $$rolehash{$role} = &Apache::lonnet::plaintext($role,$type);
5600: }
5601: }
5602: foreach my $key (sort(keys(%{$rolehash}))) {
5603: push(@{$allroles},$key);
5604: }
5605: push (@{$allroles},'st');
5606: $$rolehash{'st'} = &Apache::lonnet::plaintext('st',$type);
5607: }
5608: return (\@sections,\@groups,$allroles,$rolehash,$accesshash);
5609: }
5610:
1.555 raeburn 5611: sub user_picker {
5612: my ($dom,$srch,$forcenewuser) = @_;
5613: my $currdom = $dom;
5614: my %curr_selected = (
5615: srchin => 'dom',
5616: srchby => 'uname',
5617: );
5618: my $srchterm;
5619: if (ref($srch) eq 'HASH') {
5620: if ($srch->{'srchby'} ne '') {
5621: $curr_selected{'srchby'} = $srch->{'srchby'};
5622: }
5623: if ($srch->{'srchin'} ne '') {
5624: $curr_selected{'srchin'} = $srch->{'srchin'};
5625: }
5626: if ($srch->{'srchtype'} ne '') {
5627: $curr_selected{'srchtype'} = $srch->{'srchtype'};
5628: }
5629: if ($srch->{'srchdomain'} ne '') {
5630: $currdom = $srch->{'srchdomain'};
5631: }
5632: $srchterm = $srch->{'srchterm'};
5633: }
5634: my %lt=&Apache::lonlocal::texthash(
1.563 raeburn 5635: 'doma' => 'Domain/institution to search',
1.558 albertel 5636: 'uname' => 'username',
5637: 'lastname' => 'last name',
1.555 raeburn 5638: 'lastfirst' => 'last name, first name',
1.558 albertel 5639: 'crs' => 'in this course',
5640: 'dom' => 'in this domain',
5641: 'alc' => 'all LON-CAPA',
5642: 'instd' => 'in institutional directory',
5643: 'exact' => 'is',
5644: 'contains' => 'contains',
1.555 raeburn 5645: );
1.563 raeburn 5646: my $domform = &select_dom_form($currdom,'srchdomain',1,1);
5647: my $srchinsel = ' <select name="srchin">';
1.555 raeburn 5648:
5649: my @srchins = ('crs','dom','alc','instd');
5650:
5651: foreach my $option (@srchins) {
5652: # FIXME 'alc' option unavailable until
5653: # loncreateuser::print_user_query_page()
5654: # has been completed.
5655: next if ($option eq 'alc');
5656: next if ($option eq 'crs' && !$env{'request.course.id'});
1.563 raeburn 5657: if ($curr_selected{'srchin'} eq $option) {
5658: $srchinsel .= '
5659: <option value="'.$option.'" selected="selected">'.$lt{$option}.'</option>';
5660: } else {
5661: $srchinsel .= '
5662: <option value="'.$option.'">'.$lt{$option}.'</option>';
5663: }
1.555 raeburn 5664: }
1.563 raeburn 5665: $srchinsel .= "\n </select>\n";
1.555 raeburn 5666:
5667: my $srchbysel = ' <select name="srchby">';
5668: foreach my $option ('uname','lastname','lastfirst') {
5669: if ($curr_selected{'srchby'} eq $option) {
5670: $srchbysel .= '
5671: <option value="'.$option.'" selected="selected">'.$lt{$option}.'</option>';
5672: } else {
5673: $srchbysel .= '
5674: <option value="'.$option.'">'.$lt{$option}.'</option>';
5675: }
5676: }
5677: $srchbysel .= "\n </select>\n";
5678:
5679: my $srchtypesel = ' <select name="srchtype">';
5680: foreach my $option ('exact','contains') {
5681: if ($curr_selected{'srchtype'} eq $option) {
5682: $srchtypesel .= '
5683: <option value="'.$option.'" selected="selected">'.$lt{$option}.'</option>';
5684: } else {
5685: $srchtypesel .= '
5686: <option value="'.$option.'">'.$lt{$option}.'</option>';
5687: }
5688: }
5689: $srchtypesel .= "\n </select>\n";
5690:
1.558 albertel 5691: my ($newuserscript,$new_user_create);
1.556 raeburn 5692:
5693: if ($forcenewuser) {
1.558 albertel 5694: $new_user_create = '<p> <input type="submit" name="forcenew" value="'.&HTML::Entities::encode(&mt('Make new user "[_1]"',$srchterm),'<>&"').'" onclick="javascript:setSearch(\'1\');" /> </p>';
1.556 raeburn 5695: $newuserscript = <<"ENDSCRIPT";
5696:
1.558 albertel 5697: function setSearch(createnew) {
1.556 raeburn 5698: if (createnew == 1) {
5699: for (var i=0; i<document.crtuser.srchby.length; i++) {
5700: if (document.crtuser.srchby.options[i].value == 'uname') {
5701: document.crtuser.srchby.selectedIndex = i;
5702: }
5703: }
5704: for (var i=0; i<document.crtuser.srchin.length; i++) {
1.563 raeburn 5705: if ( document.crtuser.srchin.options[i].value == 'dom') {
5706: document.crtuser.srchin.selectedIndex = i;
1.556 raeburn 5707: }
5708: }
5709: for (var i=0; i<document.crtuser.srchtype.length; i++) {
5710: if (document.crtuser.srchtype.options[i].value == 'exact') {
5711: document.crtuser.srchtype.selectedIndex = i;
5712: }
5713: }
5714: for (var i=0; i<document.crtuser.srchdomain.length; i++) {
5715: if (document.crtuser.srchdomain.options[i].value == '$env{'request.role.domain'}') {
5716: document.crtuser.srchdomain.selectedIndex = i;
5717: }
5718: }
5719: }
5720: }
5721: ENDSCRIPT
1.558 albertel 5722:
1.556 raeburn 5723: }
5724:
1.555 raeburn 5725: my $output = <<"END_BLOCK";
1.556 raeburn 5726: <script type="text/javascript">
5727: function validateEntry() {
1.558 albertel 5728:
1.556 raeburn 5729: var checkok = 1;
1.558 albertel 5730: var srchin;
5731: for (var i=0; i<document.crtuser.srchin.length; i++) {
5732: if ( document.crtuser.srchin[i].checked ) {
5733: srchin = document.crtuser.srchin[i].value;
5734: }
5735: }
5736:
1.556 raeburn 5737: var srchtype = document.crtuser.srchtype.options[document.crtuser.srchtype.selectedIndex].value;
5738: var srchby = document.crtuser.srchby.options[document.crtuser.srchby.selectedIndex].value;
5739: var srchdomain = document.crtuser.srchdomain.options[document.crtuser.srchdomain.selectedIndex].value;
5740: var srchterm = document.crtuser.srchterm.value;
1.563 raeburn 5741: var srchin = document.crtuser.srchin.options[document.crtuser.srchin.selectedIndex].value;
1.556 raeburn 5742: var msg = "";
5743:
5744: if (srchterm == "") {
5745: checkok = 0;
5746: msg += "You must include some text to search for.\\n";
5747: }
5748:
5749: if (srchtype== 'contains') {
5750: if (srchterm.length < 3) {
5751: checkok = 0;
1.563 raeburn 5752: msg += "The text you are searching for must contain at least three characters when using a 'contains' type search.\\n";
1.556 raeburn 5753: }
5754: }
5755: if (srchin == 'instd') {
5756: if (srchdomain == '') {
5757: checkok = 0;
5758: msg += "You must choose a domain when using an institutional directory search.\\n";
5759: }
5760: }
5761: if (srchin == 'dom') {
5762: if (srchdomain == '') {
5763: checkok = 0;
5764: msg += "You must choose a domain when using a domain search.\\n";
5765: }
5766: }
5767: if (srchby == 'lastfirst') {
5768: if (srchterm.indexOf(",") == -1) {
5769: checkok = 0;
5770: msg += "When using searching by last,first you must include a comma as separator between last name and first name.\\n";
5771: }
5772: if (srchterm.indexOf(",") == srchterm.length -1) {
5773: checkok = 0;
5774: msg += "When searching by last,first you must include at least one character in the first name.\\n";
5775: }
5776: }
5777: if (checkok == 0) {
5778: alert("The following need to be corrected before the search can be run:\\n"+msg);
5779: return;
5780: }
5781: if (checkok == 1) {
5782: document.crtuser.submit();
5783: }
5784: }
5785:
5786: $newuserscript
5787:
5788: </script>
1.558 albertel 5789:
5790: $new_user_create
5791:
1.555 raeburn 5792: <table>
1.558 albertel 5793: <tr>
1.563 raeburn 5794: <td>$srchbysel
5795: $srchtypesel
5796: <input type="text" size="15" name="srchterm" value="$srchterm" />
1.564 albertel 5797: $srchinsel
1.563 raeburn 5798: </td>
5799: </tr>
5800: <tr>
1.564 albertel 5801: <td>$lt{'doma'}: $domform</td>
1.558 albertel 5802: </td>
5803: </tr>
1.555 raeburn 5804: </table>
5805: <br />
5806: END_BLOCK
1.558 albertel 5807:
1.555 raeburn 5808: return $output;
5809: }
5810:
1.556 raeburn 5811:
5812:
1.112 bowersj2 5813: =pod
5814:
1.549 albertel 5815: =back
5816:
5817: =head1 HTTP Helpers
5818:
5819: =over 4
5820:
1.112 bowersj2 5821: =item * get_unprocessed_cgi($query,$possible_names)
5822:
1.258 albertel 5823: Modify the %env hash to contain unprocessed CGI form parameters held in
1.112 bowersj2 5824: $query. The parameters listed in $possible_names (an array reference),
1.258 albertel 5825: will be set in $env{'form.name'} if they do not already exist.
1.112 bowersj2 5826:
5827: Typically called with $ENV{'QUERY_STRING'} as the first parameter.
5828: $possible_names is an ref to an array of form element names. As an example:
5829: get_unprocessed_cgi($ENV{'QUERY_STRING'},['uname','udom']);
1.258 albertel 5830: will result in $env{'form.uname'} and $env{'form.udom'} being set.
1.112 bowersj2 5831:
5832: =cut
1.1 albertel 5833:
1.6 albertel 5834: sub get_unprocessed_cgi {
1.25 albertel 5835: my ($query,$possible_names)= @_;
1.26 matthew 5836: # $Apache::lonxml::debug=1;
1.356 albertel 5837: foreach my $pair (split(/&/,$query)) {
5838: my ($name, $value) = split(/=/,$pair);
1.369 www 5839: $name = &unescape($name);
1.25 albertel 5840: if (!defined($possible_names) || (grep {$_ eq $name} @$possible_names)) {
5841: $value =~ tr/+/ /;
5842: $value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg;
1.258 albertel 5843: unless (defined($env{'form.'.$name})) { &add_to_env('form.'.$name,$value) };
1.25 albertel 5844: }
1.16 harris41 5845: }
1.6 albertel 5846: }
5847:
1.112 bowersj2 5848: =pod
5849:
5850: =item * cacheheader()
5851:
5852: returns cache-controlling header code
5853:
5854: =cut
5855:
1.7 albertel 5856: sub cacheheader {
1.258 albertel 5857: unless ($env{'request.method'} eq 'GET') { return ''; }
1.216 albertel 5858: my $date=strftime("%a, %d %b %Y %H:%M:%S GMT",gmtime);
5859: my $output .='<meta HTTP-EQUIV="Expires" CONTENT="'.$date.'" />
1.7 albertel 5860: <meta HTTP-EQUIV="Cache-control" CONTENT="no-cache" />
5861: <meta HTTP-EQUIV="Pragma" CONTENT="no-cache" />';
1.216 albertel 5862: return $output;
1.7 albertel 5863: }
5864:
1.112 bowersj2 5865: =pod
5866:
5867: =item * no_cache($r)
5868:
5869: specifies header code to not have cache
5870:
5871: =cut
5872:
1.9 albertel 5873: sub no_cache {
1.216 albertel 5874: my ($r) = @_;
5875: if ($ENV{'REQUEST_METHOD'} ne 'GET' &&
1.258 albertel 5876: $env{'request.method'} ne 'GET') { return ''; }
1.216 albertel 5877: my $date=strftime("%a, %d %b %Y %H:%M:%S GMT",gmtime(time));
5878: $r->no_cache(1);
5879: $r->header_out("Expires" => $date);
5880: $r->header_out("Pragma" => "no-cache");
1.123 www 5881: }
5882:
5883: sub content_type {
1.181 albertel 5884: my ($r,$type,$charset) = @_;
1.299 foxr 5885: if ($r) {
5886: # Note that printout.pl calls this with undef for $r.
5887: &no_cache($r);
5888: }
1.258 albertel 5889: if ($env{'browser.mathml'} && $type eq 'text/html') { $type='text/xml'; }
1.181 albertel 5890: unless ($charset) {
5891: $charset=&Apache::lonlocal::current_encoding;
5892: }
5893: if ($charset) { $type.='; charset='.$charset; }
5894: if ($r) {
5895: $r->content_type($type);
5896: } else {
5897: print("Content-type: $type\n\n");
5898: }
1.9 albertel 5899: }
1.25 albertel 5900:
1.112 bowersj2 5901: =pod
5902:
5903: =item * add_to_env($name,$value)
5904:
1.258 albertel 5905: adds $name to the %env hash with value
1.112 bowersj2 5906: $value, if $name already exists, the entry is converted to an array
5907: reference and $value is added to the array.
5908:
5909: =cut
5910:
1.25 albertel 5911: sub add_to_env {
5912: my ($name,$value)=@_;
1.258 albertel 5913: if (defined($env{$name})) {
5914: if (ref($env{$name})) {
1.25 albertel 5915: #already have multiple values
1.258 albertel 5916: push(@{ $env{$name} },$value);
1.25 albertel 5917: } else {
5918: #first time seeing multiple values, convert hash entry to an arrayref
1.258 albertel 5919: my $first=$env{$name};
5920: undef($env{$name});
5921: push(@{ $env{$name} },$first,$value);
1.25 albertel 5922: }
5923: } else {
1.258 albertel 5924: $env{$name}=$value;
1.25 albertel 5925: }
1.31 albertel 5926: }
1.149 albertel 5927:
5928: =pod
5929:
5930: =item * get_env_multiple($name)
5931:
1.258 albertel 5932: gets $name from the %env hash, it seemlessly handles the cases where multiple
1.149 albertel 5933: values may be defined and end up as an array ref.
5934:
5935: returns an array of values
5936:
5937: =cut
5938:
5939: sub get_env_multiple {
5940: my ($name) = @_;
5941: my @values;
1.258 albertel 5942: if (defined($env{$name})) {
1.149 albertel 5943: # exists is it an array
1.258 albertel 5944: if (ref($env{$name})) {
5945: @values=@{ $env{$name} };
1.149 albertel 5946: } else {
1.258 albertel 5947: $values[0]=$env{$name};
1.149 albertel 5948: }
5949: }
5950: return(@values);
5951: }
5952:
1.31 albertel 5953:
1.41 ng 5954: =pod
1.45 matthew 5955:
1.464 albertel 5956: =back
1.41 ng 5957:
1.112 bowersj2 5958: =head1 CSV Upload/Handling functions
1.38 albertel 5959:
1.41 ng 5960: =over 4
5961:
1.112 bowersj2 5962: =item * upfile_store($r)
1.41 ng 5963:
5964: Store uploaded file, $r should be the HTTP Request object,
1.258 albertel 5965: needs $env{'form.upfile'}
1.41 ng 5966: returns $datatoken to be put into hidden field
5967:
5968: =cut
1.31 albertel 5969:
5970: sub upfile_store {
5971: my $r=shift;
1.258 albertel 5972: $env{'form.upfile'}=~s/\r/\n/gs;
5973: $env{'form.upfile'}=~s/\f/\n/gs;
5974: $env{'form.upfile'}=~s/\n+/\n/gs;
5975: $env{'form.upfile'}=~s/\n+$//gs;
1.31 albertel 5976:
1.258 albertel 5977: my $datatoken=$env{'user.name'}.'_'.$env{'user.domain'}.
5978: '_enroll_'.$env{'request.course.id'}.'_'.time.'_'.$$;
1.31 albertel 5979: {
1.158 raeburn 5980: my $datafile = $r->dir_config('lonDaemons').
5981: '/tmp/'.$datatoken.'.tmp';
5982: if ( open(my $fh,">$datafile") ) {
1.258 albertel 5983: print $fh $env{'form.upfile'};
1.158 raeburn 5984: close($fh);
5985: }
1.31 albertel 5986: }
5987: return $datatoken;
5988: }
5989:
1.56 matthew 5990: =pod
5991:
1.112 bowersj2 5992: =item * load_tmp_file($r)
1.41 ng 5993:
5994: Load uploaded file from tmp, $r should be the HTTP Request object,
1.258 albertel 5995: needs $env{'form.datatoken'},
5996: sets $env{'form.upfile'} to the contents of the file
1.41 ng 5997:
5998: =cut
1.31 albertel 5999:
6000: sub load_tmp_file {
6001: my $r=shift;
6002: my @studentdata=();
6003: {
1.158 raeburn 6004: my $studentfile = $r->dir_config('lonDaemons').
1.258 albertel 6005: '/tmp/'.$env{'form.datatoken'}.'.tmp';
1.158 raeburn 6006: if ( open(my $fh,"<$studentfile") ) {
6007: @studentdata=<$fh>;
6008: close($fh);
6009: }
1.31 albertel 6010: }
1.258 albertel 6011: $env{'form.upfile'}=join('',@studentdata);
1.31 albertel 6012: }
6013:
1.56 matthew 6014: =pod
6015:
1.112 bowersj2 6016: =item * upfile_record_sep()
1.41 ng 6017:
6018: Separate uploaded file into records
6019: returns array of records,
1.258 albertel 6020: needs $env{'form.upfile'} and $env{'form.upfiletype'}
1.41 ng 6021:
6022: =cut
1.31 albertel 6023:
6024: sub upfile_record_sep {
1.258 albertel 6025: if ($env{'form.upfiletype'} eq 'xml') {
1.31 albertel 6026: } else {
1.248 albertel 6027: my @records;
1.258 albertel 6028: foreach my $line (split(/\n/,$env{'form.upfile'})) {
1.248 albertel 6029: if ($line=~/^\s*$/) { next; }
6030: push(@records,$line);
6031: }
6032: return @records;
1.31 albertel 6033: }
6034: }
6035:
1.56 matthew 6036: =pod
6037:
1.112 bowersj2 6038: =item * record_sep($record)
1.41 ng 6039:
1.258 albertel 6040: Separate a record into fields $record should be an item from the upfile_record_sep(), needs $env{'form.upfiletype'}
1.41 ng 6041:
6042: =cut
6043:
1.263 www 6044: sub takeleft {
6045: my $index=shift;
6046: return substr('0000'.$index,-4,4);
6047: }
6048:
1.31 albertel 6049: sub record_sep {
6050: my $record=shift;
6051: my %components=();
1.258 albertel 6052: if ($env{'form.upfiletype'} eq 'xml') {
6053: } elsif ($env{'form.upfiletype'} eq 'space') {
1.31 albertel 6054: my $i=0;
1.356 albertel 6055: foreach my $field (split(/\s+/,$record)) {
1.31 albertel 6056: $field=~s/^(\"|\')//;
6057: $field=~s/(\"|\')$//;
1.263 www 6058: $components{&takeleft($i)}=$field;
1.31 albertel 6059: $i++;
6060: }
1.258 albertel 6061: } elsif ($env{'form.upfiletype'} eq 'tab') {
1.31 albertel 6062: my $i=0;
1.356 albertel 6063: foreach my $field (split(/\t/,$record)) {
1.31 albertel 6064: $field=~s/^(\"|\')//;
6065: $field=~s/(\"|\')$//;
1.263 www 6066: $components{&takeleft($i)}=$field;
1.31 albertel 6067: $i++;
6068: }
6069: } else {
1.561 www 6070: my $separator=',';
1.480 banghart 6071: if ($env{'form.upfiletype'} eq 'semisv') {
1.561 www 6072: $separator=';';
1.480 banghart 6073: }
1.31 albertel 6074: my $i=0;
1.561 www 6075: # the character we are looking for to indicate the end of a quote or a record
6076: my $looking_for=$separator;
6077: # do not add the characters to the fields
6078: my $ignore=0;
6079: # we just encountered a separator (or the beginning of the record)
6080: my $just_found_separator=1;
6081: # store the field we are working on here
6082: my $field='';
6083: # work our way through all characters in record
6084: foreach my $character ($record=~/(.)/g) {
6085: if ($character eq $looking_for) {
6086: if ($character ne $separator) {
6087: # Found the end of a quote, again looking for separator
6088: $looking_for=$separator;
6089: $ignore=1;
6090: } else {
6091: # Found a separator, store away what we got
6092: $components{&takeleft($i)}=$field;
6093: $i++;
6094: $just_found_separator=1;
6095: $ignore=0;
6096: $field='';
6097: }
6098: next;
6099: }
6100: # single or double quotation marks after a separator indicate beginning of a quote
6101: # we are now looking for the end of the quote and need to ignore separators
6102: if ((($character eq '"') || ($character eq "'")) && ($just_found_separator)) {
6103: $looking_for=$character;
6104: next;
6105: }
6106: # ignore would be true after we reached the end of a quote
6107: if ($ignore) { next; }
6108: if (($just_found_separator) && ($character=~/\s/)) { next; }
6109: $field.=$character;
6110: $just_found_separator=0;
1.31 albertel 6111: }
1.561 www 6112: # catch the very last entry, since we never encountered the separator
6113: $components{&takeleft($i)}=$field;
1.31 albertel 6114: }
6115: return %components;
6116: }
6117:
1.144 matthew 6118: ######################################################
6119: ######################################################
6120:
1.56 matthew 6121: =pod
6122:
1.112 bowersj2 6123: =item * upfile_select_html()
1.41 ng 6124:
1.144 matthew 6125: Return HTML code to select a file from the users machine and specify
6126: the file type.
1.41 ng 6127:
6128: =cut
6129:
1.144 matthew 6130: ######################################################
6131: ######################################################
1.31 albertel 6132: sub upfile_select_html {
1.144 matthew 6133: my %Types = (
6134: csv => &mt('CSV (comma separated values, spreadsheet)'),
1.480 banghart 6135: semisv => &mt('Semicolon separated values'),
1.144 matthew 6136: space => &mt('Space separated'),
6137: tab => &mt('Tabulator separated'),
6138: # xml => &mt('HTML/XML'),
6139: );
6140: my $Str = '<input type="file" name="upfile" size="50" />'.
6141: '<br />Type: <select name="upfiletype">';
6142: foreach my $type (sort(keys(%Types))) {
6143: $Str .= '<option value="'.$type.'" >'.$Types{$type}."</option>\n";
6144: }
6145: $Str .= "</select>\n";
6146: return $Str;
1.31 albertel 6147: }
6148:
1.301 albertel 6149: sub get_samples {
6150: my ($records,$toget) = @_;
6151: my @samples=({});
6152: my $got=0;
6153: foreach my $rec (@$records) {
6154: my %temp = &record_sep($rec);
6155: if (! grep(/\S/, values(%temp))) { next; }
6156: if (%temp) {
6157: $samples[$got]=\%temp;
6158: $got++;
6159: if ($got == $toget) { last; }
6160: }
6161: }
6162: return \@samples;
6163: }
6164:
1.144 matthew 6165: ######################################################
6166: ######################################################
6167:
1.56 matthew 6168: =pod
6169:
1.112 bowersj2 6170: =item * csv_print_samples($r,$records)
1.41 ng 6171:
6172: Prints a table of sample values from each column uploaded $r is an
6173: Apache Request ref, $records is an arrayref from
6174: &Apache::loncommon::upfile_record_sep
6175:
6176: =cut
6177:
1.144 matthew 6178: ######################################################
6179: ######################################################
1.31 albertel 6180: sub csv_print_samples {
6181: my ($r,$records) = @_;
1.301 albertel 6182: my $samples = &get_samples($records,3);
6183:
1.144 matthew 6184: $r->print(&mt('Samples').'<br /><table border="2"><tr>');
1.356 albertel 6185: foreach my $sample (sort({$a <=> $b} keys(%{ $samples->[0] }))) {
6186: $r->print('<th>'.&mt('Column [_1]',($sample+1)).'</th>'); }
1.31 albertel 6187: $r->print('</tr>');
1.301 albertel 6188: foreach my $hash (@$samples) {
1.31 albertel 6189: $r->print('<tr>');
1.356 albertel 6190: foreach my $sample (sort({$a <=> $b} keys(%{ $samples->[0] }))) {
1.31 albertel 6191: $r->print('<td>');
1.356 albertel 6192: if (defined($$hash{$sample})) { $r->print($$hash{$sample}); }
1.31 albertel 6193: $r->print('</td>');
6194: }
6195: $r->print('</tr>');
6196: }
6197: $r->print('</tr></table><br />'."\n");
6198: }
6199:
1.144 matthew 6200: ######################################################
6201: ######################################################
6202:
1.56 matthew 6203: =pod
6204:
1.112 bowersj2 6205: =item * csv_print_select_table($r,$records,$d)
1.41 ng 6206:
6207: Prints a table to create associations between values and table columns.
1.144 matthew 6208:
1.41 ng 6209: $r is an Apache Request ref,
6210: $records is an arrayref from &Apache::loncommon::upfile_record_sep,
1.174 matthew 6211: $d is an array of 2 element arrays (internal name, displayed name,defaultcol)
1.41 ng 6212:
6213: =cut
6214:
1.144 matthew 6215: ######################################################
6216: ######################################################
1.31 albertel 6217: sub csv_print_select_table {
6218: my ($r,$records,$d) = @_;
1.301 albertel 6219: my $i=0;
6220: my $samples = &get_samples($records,1);
1.144 matthew 6221: $r->print(&mt('Associate columns with student attributes.')."\n".
6222: '<table border="2"><tr>'.
6223: '<th>'.&mt('Attribute').'</th>'.
6224: '<th>'.&mt('Column').'</th></tr>'."\n");
1.356 albertel 6225: foreach my $array_ref (@$d) {
6226: my ($value,$display,$defaultcol)=@{ $array_ref };
1.31 albertel 6227: $r->print('<tr><td>'.$display.'</td>');
6228:
6229: $r->print('<td><select name=f'.$i.
1.32 matthew 6230: ' onchange="javascript:flip(this.form,'.$i.');">');
1.31 albertel 6231: $r->print('<option value="none"></option>');
1.356 albertel 6232: foreach my $sample (sort({$a <=> $b} keys(%{ $samples->[0] }))) {
6233: $r->print('<option value="'.$sample.'"'.
6234: ($sample eq $defaultcol ? ' selected="selected" ' : '').
6235: '>Column '.($sample+1).'</option>');
1.31 albertel 6236: }
6237: $r->print('</select></td></tr>'."\n");
6238: $i++;
6239: }
6240: $i--;
6241: return $i;
6242: }
1.56 matthew 6243:
1.144 matthew 6244: ######################################################
6245: ######################################################
6246:
1.56 matthew 6247: =pod
1.31 albertel 6248:
1.112 bowersj2 6249: =item * csv_samples_select_table($r,$records,$d)
1.41 ng 6250:
6251: Prints a table of sample values from the upload and can make associate samples to internal names.
6252:
6253: $r is an Apache Request ref,
6254: $records is an arrayref from &Apache::loncommon::upfile_record_sep,
6255: $d is an array of 2 element arrays (internal name, displayed name)
6256:
6257: =cut
6258:
1.144 matthew 6259: ######################################################
6260: ######################################################
1.31 albertel 6261: sub csv_samples_select_table {
6262: my ($r,$records,$d) = @_;
6263: my $i=0;
1.144 matthew 6264: #
1.301 albertel 6265: my $samples = &get_samples($records,3);
1.144 matthew 6266: $r->print('<table border=2><tr><th>'.
6267: &mt('Field').'</th><th>'.&mt('Samples').'</th></tr>');
1.301 albertel 6268:
6269: foreach my $key (sort(keys(%{ $samples->[0] }))) {
1.144 matthew 6270: $r->print('<tr><td><select name="f'.$i.'"'.
1.32 matthew 6271: ' onchange="javascript:flip(this.form,'.$i.');">');
1.301 albertel 6272: foreach my $option (@$d) {
6273: my ($value,$display,$defaultcol)=@{ $option };
1.174 matthew 6274: $r->print('<option value="'.$value.'"'.
1.253 albertel 6275: ($i eq $defaultcol ? ' selected="selected" ':'').'>'.
1.174 matthew 6276: $display.'</option>');
1.31 albertel 6277: }
6278: $r->print('</select></td><td>');
1.301 albertel 6279: foreach my $line (0..2) {
6280: if (defined($samples->[$line]{$key})) {
6281: $r->print($samples->[$line]{$key}."<br />\n");
6282: }
6283: }
1.31 albertel 6284: $r->print('</td></tr>');
6285: $i++;
6286: }
6287: $i--;
6288: return($i);
1.115 matthew 6289: }
6290:
1.144 matthew 6291: ######################################################
6292: ######################################################
6293:
1.115 matthew 6294: =pod
6295:
6296: =item clean_excel_name($name)
6297:
6298: Returns a replacement for $name which does not contain any illegal characters.
6299:
6300: =cut
6301:
1.144 matthew 6302: ######################################################
6303: ######################################################
1.115 matthew 6304: sub clean_excel_name {
6305: my ($name) = @_;
6306: $name =~ s/[:\*\?\/\\]//g;
6307: if (length($name) > 31) {
6308: $name = substr($name,0,31);
6309: }
6310: return $name;
1.25 albertel 6311: }
1.84 albertel 6312:
1.85 albertel 6313: =pod
6314:
1.112 bowersj2 6315: =item * check_if_partid_hidden($id,$symb,$udom,$uname)
1.85 albertel 6316:
6317: Returns either 1 or undef
6318:
6319: 1 if the part is to be hidden, undef if it is to be shown
6320:
6321: Arguments are:
6322:
6323: $id the id of the part to be checked
6324: $symb, optional the symb of the resource to check
6325: $udom, optional the domain of the user to check for
6326: $uname, optional the username of the user to check for
6327:
6328: =cut
1.84 albertel 6329:
6330: sub check_if_partid_hidden {
6331: my ($id,$symb,$udom,$uname) = @_;
1.133 albertel 6332: my $hiddenparts=&Apache::lonnet::EXT('resource.0.hiddenparts',
1.84 albertel 6333: $symb,$udom,$uname);
1.141 albertel 6334: my $truth=1;
6335: #if the string starts with !, then the list is the list to show not hide
6336: if ($hiddenparts=~s/^\s*!//) { $truth=undef; }
1.84 albertel 6337: my @hiddenlist=split(/,/,$hiddenparts);
6338: foreach my $checkid (@hiddenlist) {
1.141 albertel 6339: if ($checkid =~ /^\s*\Q$id\E\s*$/) { return $truth; }
1.84 albertel 6340: }
1.141 albertel 6341: return !$truth;
1.84 albertel 6342: }
1.127 matthew 6343:
1.138 matthew 6344:
6345: ############################################################
6346: ############################################################
6347:
6348: =pod
6349:
1.157 matthew 6350: =back
6351:
1.138 matthew 6352: =head1 cgi-bin script and graphing routines
6353:
1.157 matthew 6354: =over 4
6355:
1.138 matthew 6356: =item get_cgi_id
6357:
6358: Inputs: none
6359:
6360: Returns an id which can be used to pass environment variables
6361: to various cgi-bin scripts. These environment variables will
6362: be removed from the users environment after a given time by
6363: the routine &Apache::lonnet::transfer_profile_to_env.
6364:
6365: =cut
6366:
6367: ############################################################
6368: ############################################################
1.152 albertel 6369: my $uniq=0;
1.136 matthew 6370: sub get_cgi_id {
1.154 albertel 6371: $uniq=($uniq+1)%100000;
1.280 albertel 6372: return (time.'_'.$$.'_'.$uniq);
1.136 matthew 6373: }
6374:
1.127 matthew 6375: ############################################################
6376: ############################################################
6377:
6378: =pod
6379:
1.134 matthew 6380: =item DrawBarGraph
1.127 matthew 6381:
1.138 matthew 6382: Facilitates the plotting of data in a (stacked) bar graph.
6383: Puts plot definition data into the users environment in order for
6384: graph.png to plot it. Returns an <img> tag for the plot.
6385: The bars on the plot are labeled '1','2',...,'n'.
6386:
6387: Inputs:
6388:
6389: =over 4
6390:
6391: =item $Title: string, the title of the plot
6392:
6393: =item $xlabel: string, text describing the X-axis of the plot
6394:
6395: =item $ylabel: string, text describing the Y-axis of the plot
6396:
6397: =item $Max: scalar, the maximum Y value to use in the plot
6398: If $Max is < any data point, the graph will not be rendered.
6399:
1.140 matthew 6400: =item $colors: array ref holding the colors to be used for the data sets when
1.138 matthew 6401: they are plotted. If undefined, default values will be used.
6402:
1.178 matthew 6403: =item $labels: array ref holding the labels to use on the x-axis for the bars.
6404:
1.138 matthew 6405: =item @Values: An array of array references. Each array reference holds data
6406: to be plotted in a stacked bar chart.
6407:
1.239 matthew 6408: =item If the final element of @Values is a hash reference the key/value
6409: pairs will be added to the graph definition.
6410:
1.138 matthew 6411: =back
6412:
6413: Returns:
6414:
6415: An <img> tag which references graph.png and the appropriate identifying
6416: information for the plot.
6417:
1.127 matthew 6418: =cut
6419:
6420: ############################################################
6421: ############################################################
1.134 matthew 6422: sub DrawBarGraph {
1.178 matthew 6423: my ($Title,$xlabel,$ylabel,$Max,$colors,$labels,@Values)=@_;
1.134 matthew 6424: #
6425: if (! defined($colors)) {
6426: $colors = ['#33ff00',
6427: '#0033cc', '#990000', '#aaaa66', '#663399', '#ff9933',
6428: '#66ccff', '#ff9999', '#cccc33', '#660000', '#33cc66',
6429: ];
6430: }
1.228 matthew 6431: my $extra_settings = {};
6432: if (ref($Values[-1]) eq 'HASH') {
6433: $extra_settings = pop(@Values);
6434: }
1.127 matthew 6435: #
1.136 matthew 6436: my $identifier = &get_cgi_id();
6437: my $id = 'cgi.'.$identifier;
1.129 matthew 6438: if (! @Values || ref($Values[0]) ne 'ARRAY') {
1.127 matthew 6439: return '';
6440: }
1.225 matthew 6441: #
6442: my @Labels;
6443: if (defined($labels)) {
6444: @Labels = @$labels;
6445: } else {
6446: for (my $i=0;$i<@{$Values[0]};$i++) {
6447: push (@Labels,$i+1);
6448: }
6449: }
6450: #
1.129 matthew 6451: my $NumBars = scalar(@{$Values[0]});
1.225 matthew 6452: if ($NumBars < scalar(@Labels)) { $NumBars = scalar(@Labels); }
1.129 matthew 6453: my %ValuesHash;
6454: my $NumSets=1;
6455: foreach my $array (@Values) {
6456: next if (! ref($array));
1.136 matthew 6457: $ValuesHash{$id.'.data.'.$NumSets++} =
1.132 matthew 6458: join(',',@$array);
1.129 matthew 6459: }
1.127 matthew 6460: #
1.136 matthew 6461: my ($height,$width,$xskip,$bar_width) = (200,120,1,15);
1.225 matthew 6462: if ($NumBars < 3) {
6463: $width = 120+$NumBars*32;
1.220 matthew 6464: $xskip = 1;
1.225 matthew 6465: $bar_width = 30;
6466: } elsif ($NumBars < 5) {
6467: $width = 120+$NumBars*20;
6468: $xskip = 1;
6469: $bar_width = 20;
1.220 matthew 6470: } elsif ($NumBars < 10) {
1.136 matthew 6471: $width = 120+$NumBars*15;
6472: $xskip = 1;
6473: $bar_width = 15;
6474: } elsif ($NumBars <= 25) {
6475: $width = 120+$NumBars*11;
6476: $xskip = 5;
6477: $bar_width = 8;
6478: } elsif ($NumBars <= 50) {
6479: $width = 120+$NumBars*8;
6480: $xskip = 5;
6481: $bar_width = 4;
6482: } else {
6483: $width = 120+$NumBars*8;
6484: $xskip = 5;
6485: $bar_width = 4;
6486: }
6487: #
1.137 matthew 6488: $Max = 1 if ($Max < 1);
6489: if ( int($Max) < $Max ) {
6490: $Max++;
6491: $Max = int($Max);
6492: }
1.127 matthew 6493: $Title = '' if (! defined($Title));
6494: $xlabel = '' if (! defined($xlabel));
6495: $ylabel = '' if (! defined($ylabel));
1.369 www 6496: $ValuesHash{$id.'.title'} = &escape($Title);
6497: $ValuesHash{$id.'.xlabel'} = &escape($xlabel);
6498: $ValuesHash{$id.'.ylabel'} = &escape($ylabel);
1.137 matthew 6499: $ValuesHash{$id.'.y_max_value'} = $Max;
1.136 matthew 6500: $ValuesHash{$id.'.NumBars'} = $NumBars;
6501: $ValuesHash{$id.'.NumSets'} = $NumSets;
6502: $ValuesHash{$id.'.PlotType'} = 'bar';
6503: $ValuesHash{$id.'.Colors'} = join(',',@{$colors});
6504: $ValuesHash{$id.'.height'} = $height;
6505: $ValuesHash{$id.'.width'} = $width;
6506: $ValuesHash{$id.'.xskip'} = $xskip;
6507: $ValuesHash{$id.'.bar_width'} = $bar_width;
6508: $ValuesHash{$id.'.labels'} = join(',',@Labels);
1.127 matthew 6509: #
1.228 matthew 6510: # Deal with other parameters
6511: while (my ($key,$value) = each(%$extra_settings)) {
6512: $ValuesHash{$id.'.'.$key} = $value;
6513: }
6514: #
1.137 matthew 6515: &Apache::lonnet::appenv(%ValuesHash);
6516: return '<img src="/cgi-bin/graph.png?'.$identifier.'" border="1" />';
6517: }
6518:
6519: ############################################################
6520: ############################################################
6521:
6522: =pod
6523:
6524: =item DrawXYGraph
6525:
1.138 matthew 6526: Facilitates the plotting of data in an XY graph.
6527: Puts plot definition data into the users environment in order for
6528: graph.png to plot it. Returns an <img> tag for the plot.
6529:
6530: Inputs:
6531:
6532: =over 4
6533:
6534: =item $Title: string, the title of the plot
6535:
6536: =item $xlabel: string, text describing the X-axis of the plot
6537:
6538: =item $ylabel: string, text describing the Y-axis of the plot
6539:
6540: =item $Max: scalar, the maximum Y value to use in the plot
6541: If $Max is < any data point, the graph will not be rendered.
6542:
6543: =item $colors: Array ref containing the hex color codes for the data to be
6544: plotted in. If undefined, default values will be used.
6545:
6546: =item $Xlabels: Array ref containing the labels to be used for the X-axis.
6547:
6548: =item $Ydata: Array ref containing Array refs.
1.185 www 6549: Each of the contained arrays will be plotted as a separate curve.
1.138 matthew 6550:
6551: =item %Values: hash indicating or overriding any default values which are
6552: passed to graph.png.
6553: Possible values are: width, xskip, x_ticks, x_tick_offset, among others.
6554:
6555: =back
6556:
6557: Returns:
6558:
6559: An <img> tag which references graph.png and the appropriate identifying
6560: information for the plot.
6561:
1.137 matthew 6562: =cut
6563:
6564: ############################################################
6565: ############################################################
6566: sub DrawXYGraph {
6567: my ($Title,$xlabel,$ylabel,$Max,$colors,$Xlabels,$Ydata,%Values)=@_;
6568: #
6569: # Create the identifier for the graph
6570: my $identifier = &get_cgi_id();
6571: my $id = 'cgi.'.$identifier;
6572: #
6573: $Title = '' if (! defined($Title));
6574: $xlabel = '' if (! defined($xlabel));
6575: $ylabel = '' if (! defined($ylabel));
6576: my %ValuesHash =
6577: (
1.369 www 6578: $id.'.title' => &escape($Title),
6579: $id.'.xlabel' => &escape($xlabel),
6580: $id.'.ylabel' => &escape($ylabel),
1.137 matthew 6581: $id.'.y_max_value'=> $Max,
6582: $id.'.labels' => join(',',@$Xlabels),
6583: $id.'.PlotType' => 'XY',
6584: );
6585: #
6586: if (defined($colors) && ref($colors) eq 'ARRAY') {
6587: $ValuesHash{$id.'.Colors'} = join(',',@{$colors});
6588: }
6589: #
6590: if (! ref($Ydata) || ref($Ydata) ne 'ARRAY') {
6591: return '';
6592: }
6593: my $NumSets=1;
1.138 matthew 6594: foreach my $array (@{$Ydata}){
1.137 matthew 6595: next if (! ref($array));
6596: $ValuesHash{$id.'.data.'.$NumSets++} = join(',',@$array);
6597: }
1.138 matthew 6598: $ValuesHash{$id.'.NumSets'} = $NumSets-1;
1.137 matthew 6599: #
6600: # Deal with other parameters
6601: while (my ($key,$value) = each(%Values)) {
6602: $ValuesHash{$id.'.'.$key} = $value;
1.127 matthew 6603: }
6604: #
1.136 matthew 6605: &Apache::lonnet::appenv(%ValuesHash);
6606: return '<img src="/cgi-bin/graph.png?'.$identifier.'" border="1" />';
6607: }
6608:
6609: ############################################################
6610: ############################################################
6611:
6612: =pod
6613:
1.138 matthew 6614: =item DrawXYYGraph
6615:
6616: Facilitates the plotting of data in an XY graph with two Y axes.
6617: Puts plot definition data into the users environment in order for
6618: graph.png to plot it. Returns an <img> tag for the plot.
6619:
6620: Inputs:
6621:
6622: =over 4
6623:
6624: =item $Title: string, the title of the plot
6625:
6626: =item $xlabel: string, text describing the X-axis of the plot
6627:
6628: =item $ylabel: string, text describing the Y-axis of the plot
6629:
6630: =item $colors: Array ref containing the hex color codes for the data to be
6631: plotted in. If undefined, default values will be used.
6632:
6633: =item $Xlabels: Array ref containing the labels to be used for the X-axis.
6634:
6635: =item $Ydata1: The first data set
6636:
6637: =item $Min1: The minimum value of the left Y-axis
6638:
6639: =item $Max1: The maximum value of the left Y-axis
6640:
6641: =item $Ydata2: The second data set
6642:
6643: =item $Min2: The minimum value of the right Y-axis
6644:
6645: =item $Max2: The maximum value of the left Y-axis
6646:
6647: =item %Values: hash indicating or overriding any default values which are
6648: passed to graph.png.
6649: Possible values are: width, xskip, x_ticks, x_tick_offset, among others.
6650:
6651: =back
6652:
6653: Returns:
6654:
6655: An <img> tag which references graph.png and the appropriate identifying
6656: information for the plot.
1.136 matthew 6657:
6658: =cut
6659:
6660: ############################################################
6661: ############################################################
1.137 matthew 6662: sub DrawXYYGraph {
6663: my ($Title,$xlabel,$ylabel,$colors,$Xlabels,$Ydata1,$Min1,$Max1,
6664: $Ydata2,$Min2,$Max2,%Values)=@_;
1.136 matthew 6665: #
6666: # Create the identifier for the graph
6667: my $identifier = &get_cgi_id();
6668: my $id = 'cgi.'.$identifier;
6669: #
6670: $Title = '' if (! defined($Title));
6671: $xlabel = '' if (! defined($xlabel));
6672: $ylabel = '' if (! defined($ylabel));
6673: my %ValuesHash =
6674: (
1.369 www 6675: $id.'.title' => &escape($Title),
6676: $id.'.xlabel' => &escape($xlabel),
6677: $id.'.ylabel' => &escape($ylabel),
1.136 matthew 6678: $id.'.labels' => join(',',@$Xlabels),
6679: $id.'.PlotType' => 'XY',
6680: $id.'.NumSets' => 2,
1.137 matthew 6681: $id.'.two_axes' => 1,
6682: $id.'.y1_max_value' => $Max1,
6683: $id.'.y1_min_value' => $Min1,
6684: $id.'.y2_max_value' => $Max2,
6685: $id.'.y2_min_value' => $Min2,
1.136 matthew 6686: );
6687: #
1.137 matthew 6688: if (defined($colors) && ref($colors) eq 'ARRAY') {
6689: $ValuesHash{$id.'.Colors'} = join(',',@{$colors});
6690: }
6691: #
6692: if (! ref($Ydata1) || ref($Ydata1) ne 'ARRAY' ||
6693: ! ref($Ydata2) || ref($Ydata2) ne 'ARRAY'){
1.136 matthew 6694: return '';
6695: }
6696: my $NumSets=1;
1.137 matthew 6697: foreach my $array ($Ydata1,$Ydata2){
1.136 matthew 6698: next if (! ref($array));
6699: $ValuesHash{$id.'.data.'.$NumSets++} = join(',',@$array);
1.137 matthew 6700: }
6701: #
6702: # Deal with other parameters
6703: while (my ($key,$value) = each(%Values)) {
6704: $ValuesHash{$id.'.'.$key} = $value;
1.136 matthew 6705: }
6706: #
6707: &Apache::lonnet::appenv(%ValuesHash);
1.130 albertel 6708: return '<img src="/cgi-bin/graph.png?'.$identifier.'" border="1" />';
1.139 matthew 6709: }
6710:
6711: ############################################################
6712: ############################################################
6713:
6714: =pod
6715:
1.157 matthew 6716: =back
6717:
1.139 matthew 6718: =head1 Statistics helper routines?
6719:
6720: Bad place for them but what the hell.
6721:
1.157 matthew 6722: =over 4
6723:
1.139 matthew 6724: =item &chartlink
6725:
6726: Returns a link to the chart for a specific student.
6727:
6728: Inputs:
6729:
6730: =over 4
6731:
6732: =item $linktext: The text of the link
6733:
6734: =item $sname: The students username
6735:
6736: =item $sdomain: The students domain
6737:
6738: =back
6739:
1.157 matthew 6740: =back
6741:
1.139 matthew 6742: =cut
6743:
6744: ############################################################
6745: ############################################################
6746: sub chartlink {
6747: my ($linktext, $sname, $sdomain) = @_;
6748: my $link = '<a href="/adm/statistics?reportSelected=student_assessment'.
1.369 www 6749: '&SelectedStudent='.&escape($sname.':'.$sdomain).
1.219 albertel 6750: '&chartoutputmode='.HTML::Entities::encode('html, with all links').
1.139 matthew 6751: '">'.$linktext.'</a>';
1.153 matthew 6752: }
6753:
6754: #######################################################
6755: #######################################################
6756:
6757: =pod
6758:
6759: =head1 Course Environment Routines
1.157 matthew 6760:
6761: =over 4
1.153 matthew 6762:
6763: =item &restore_course_settings
6764:
6765: =item &store_course_settings
6766:
6767: Restores/Store indicated form parameters from the course environment.
6768: Will not overwrite existing values of the form parameters.
6769:
6770: Inputs:
6771: a scalar describing the data (e.g. 'chart', 'problem_analysis')
6772:
6773: a hash ref describing the data to be stored. For example:
6774:
6775: %Save_Parameters = ('Status' => 'scalar',
6776: 'chartoutputmode' => 'scalar',
6777: 'chartoutputdata' => 'scalar',
6778: 'Section' => 'array',
1.373 raeburn 6779: 'Group' => 'array',
1.153 matthew 6780: 'StudentData' => 'array',
6781: 'Maps' => 'array');
6782:
6783: Returns: both routines return nothing
6784:
6785: =cut
6786:
6787: #######################################################
6788: #######################################################
6789: sub store_course_settings {
1.496 albertel 6790: return &store_settings($env{'request.course.id'},@_);
6791: }
6792:
6793: sub store_settings {
1.153 matthew 6794: # save to the environment
6795: # appenv the same items, just to be safe
1.300 albertel 6796: my $udom = $env{'user.domain'};
6797: my $uname = $env{'user.name'};
1.496 albertel 6798: my ($context,$prefix,$Settings) = @_;
1.153 matthew 6799: my %SaveHash;
6800: my %AppHash;
6801: while (my ($setting,$type) = each(%$Settings)) {
1.496 albertel 6802: my $basename = join('.','internal',$context,$prefix,$setting);
1.300 albertel 6803: my $envname = 'environment.'.$basename;
1.258 albertel 6804: if (exists($env{'form.'.$setting})) {
1.153 matthew 6805: # Save this value away
6806: if ($type eq 'scalar' &&
1.258 albertel 6807: (! exists($env{$envname}) ||
6808: $env{$envname} ne $env{'form.'.$setting})) {
6809: $SaveHash{$basename} = $env{'form.'.$setting};
6810: $AppHash{$envname} = $env{'form.'.$setting};
1.153 matthew 6811: } elsif ($type eq 'array') {
6812: my $stored_form;
1.258 albertel 6813: if (ref($env{'form.'.$setting})) {
1.153 matthew 6814: $stored_form = join(',',
6815: map {
1.369 www 6816: &escape($_);
1.258 albertel 6817: } sort(@{$env{'form.'.$setting}}));
1.153 matthew 6818: } else {
6819: $stored_form =
1.369 www 6820: &escape($env{'form.'.$setting});
1.153 matthew 6821: }
6822: # Determine if the array contents are the same.
1.258 albertel 6823: if ($stored_form ne $env{$envname}) {
1.153 matthew 6824: $SaveHash{$basename} = $stored_form;
6825: $AppHash{$envname} = $stored_form;
6826: }
6827: }
6828: }
6829: }
6830: my $put_result = &Apache::lonnet::put('environment',\%SaveHash,
1.300 albertel 6831: $udom,$uname);
1.153 matthew 6832: if ($put_result !~ /^(ok|delayed)/) {
6833: &Apache::lonnet::logthis('unable to save form parameters, '.
6834: 'got error:'.$put_result);
6835: }
6836: # Make sure these settings stick around in this session, too
6837: &Apache::lonnet::appenv(%AppHash);
6838: return;
6839: }
6840:
6841: sub restore_course_settings {
1.499 albertel 6842: return &restore_settings($env{'request.course.id'},@_);
1.496 albertel 6843: }
6844:
6845: sub restore_settings {
6846: my ($context,$prefix,$Settings) = @_;
1.153 matthew 6847: while (my ($setting,$type) = each(%$Settings)) {
1.258 albertel 6848: next if (exists($env{'form.'.$setting}));
1.496 albertel 6849: my $envname = 'environment.internal.'.$context.'.'.$prefix.
1.153 matthew 6850: '.'.$setting;
1.258 albertel 6851: if (exists($env{$envname})) {
1.153 matthew 6852: if ($type eq 'scalar') {
1.258 albertel 6853: $env{'form.'.$setting} = $env{$envname};
1.153 matthew 6854: } elsif ($type eq 'array') {
1.258 albertel 6855: $env{'form.'.$setting} = [
1.153 matthew 6856: map {
1.369 www 6857: &unescape($_);
1.258 albertel 6858: } split(',',$env{$envname})
1.153 matthew 6859: ];
6860: }
6861: }
6862: }
1.127 matthew 6863: }
6864:
6865: ############################################################
6866: ############################################################
1.154 albertel 6867:
1.443 albertel 6868: sub commit_customrole {
6869: my ($udom,$uname,$url,$three,$four,$five,$start,$end) = @_;
6870: my $output = &mt('Assigning custom role').' "'.$five.'" by '.$four.'@'.$three.' in '.$url.
6871: ($start?', '.&mt('starting').' '.localtime($start):'').
6872: ($end?', ending '.localtime($end):'').': <b>'.
6873: &Apache::lonnet::assigncustomrole(
6874: $udom,$uname,$url,$three,$four,$five,$end,$start).
6875: '</b><br />';
6876: return $output;
6877: }
6878:
6879: sub commit_standardrole {
1.541 raeburn 6880: my ($udom,$uname,$url,$three,$start,$end,$one,$two,$sec,$context) = @_;
6881: my ($output,$logmsg,$linefeed);
6882: if ($context eq 'auto') {
6883: $linefeed = "\n";
6884: } else {
6885: $linefeed = "<br />\n";
6886: }
1.443 albertel 6887: if ($three eq 'st') {
1.541 raeburn 6888: my $result = &commit_studentrole(\$logmsg,$udom,$uname,$url,$three,$start,$end,
6889: $one,$two,$sec,$context);
6890: if (($result =~ /^error/) || ($result eq 'not_in_class') ||
6891: ($result eq 'unknown_course')) {
1.443 albertel 6892: $output = "Error: $result\n";
6893: } else {
1.541 raeburn 6894: $output = $logmsg.$linefeed.&mt('Assigning').' '.$three.' in '.$url.
1.443 albertel 6895: ($start?', '.&mt('starting').' '.localtime($start):'').
1.541 raeburn 6896: ($end?', '.&mt('ending').' '.localtime($end):'').': ';
6897: if ($context eq 'auto') {
6898: $output .= $result.$linefeed.&mt('Add to classlist').': ok';
6899: } else {
6900: $output .= '<b>'.$result.'</b>'.$linefeed.
6901: &mt('Add to classlist').': <b>ok</b>';
6902: }
6903: $output .= $linefeed;
1.443 albertel 6904: }
6905: } else {
6906: $output = &mt('Assigning').' '.$three.' in '.$url.
6907: ($start?', '.&mt('starting').' '.localtime($start):'').
1.541 raeburn 6908: ($end?', '.&mt('ending').' '.localtime($end):'').': ';
6909: my $result = &Apache::lonnet::assignrole($udom,$uname,$url,$three,$end,$start);
6910: if ($context eq 'auto') {
6911: $output .= $result.$linefeed;
6912: } else {
6913: $output .= '<b>'.$result.'</b>'.$linefeed;
6914: }
1.443 albertel 6915: }
6916: return $output;
6917: }
6918:
6919: sub commit_studentrole {
1.541 raeburn 6920: my ($logmsg,$udom,$uname,$url,$three,$start,$end,$one,$two,$sec,$context) = @_;
6921: my ($result,$linefeed);
6922: if ($context eq 'auto') {
6923: $linefeed = "\n";
6924: } else {
6925: $linefeed = '<br />'."\n";
6926: }
1.443 albertel 6927: if (defined($one) && defined($two)) {
6928: my $cid=$one.'_'.$two;
6929: my $oldsec=&Apache::lonnet::getsection($udom,$uname,$cid);
6930: my $secchange = 0;
6931: my $expire_role_result;
6932: my $modify_section_result;
6933: unless ($oldsec eq '-1') {
6934: unless ($sec eq $oldsec) {
6935: $secchange = 1;
6936: my $uurl='/'.$cid;
6937: $uurl=~s/\_/\//g;
6938: if ($oldsec) {
6939: $uurl.='/'.$oldsec;
6940: }
6941: $expire_role_result = &Apache::lonnet::assignrole($udom,$uname,$uurl,'st',time);
6942: $result = $expire_role_result;
6943: }
6944: }
6945: if (($expire_role_result eq 'ok') || ($secchange == 0)) {
6946: $modify_section_result = &Apache::lonnet::modify_student_enrollment($udom,$uname,undef,undef,undef,undef,undef,$sec,$end,$start,'','',$cid);
6947: if ($modify_section_result =~ /^ok/) {
6948: if ($secchange == 1) {
6949: $$logmsg .= "Section for $uname switched from old section: $oldsec to new section: $sec".$linefeed;
6950: } elsif ($oldsec eq '-1') {
6951: $$logmsg .= "New student role for $uname in section $sec in course $cid".$linefeed;
6952: } else {
6953: $$logmsg .= "Student $uname assigned to unchanged section $sec in course $cid".$linefeed;
6954: }
6955: } else {
6956: $$logmsg .= "Error when attempting section change for $uname from old section $oldsec to new section: $sec in course $cid -error: $modify_section_result".$linefeed;
6957: }
6958: $result = $modify_section_result;
6959: } elsif ($secchange == 1) {
6960: $$logmsg .= "Error when attempting to expire role for $uname in old section $oldsec in course $cid -error: $expire_role_result".$linefeed;
6961: }
6962: } else {
6963: $$logmsg .= "Incomplete course id defined. Addition of user $uname from domain $udom to course $one\_$two, section $sec not completed.$linefeed";
6964: $result = "error: incomplete course id\n";
6965: }
6966: return $result;
6967: }
6968:
6969: ############################################################
6970: ############################################################
6971:
1.566 albertel 6972: sub check_clone {
6973: my ($args) = @_;
6974: my $cloneid='/'.$args->{'clonedomain'}.'/'.$args->{'clonecourse'};
6975: my ($clonecrsudom,$clonecrsunum)= &LONCAPA::split_courseid($cloneid);
6976: my $clonehome=&Apache::lonnet::homeserver($clonecrsunum,$clonecrsudom);
6977: my $clonemsg;
6978: my $can_clone = 0;
6979:
6980: if ($clonehome eq 'no_host') {
6981: $clonemsg = &mt('Attempting to clone non-existing [_1]',
6982: $args->{'crstype'});
6983: } else {
6984: my %clonedesc = &Apache::lonnet::coursedescription($cloneid,{'one_time' => 1});
6985: if ($env{'request.role.domain'} eq $args->{'form.clonedomain'}) {
6986: $can_clone = 1;
6987: } else {
6988: my %clonehash = &Apache::lonnet::get('environment',['cloners'],
6989: $args->{'clonedomain'},$args->{'clonecourse'});
6990: my @cloners = split(/,/,$clonehash{'cloners'});
6991: my %roleshash =
6992: &Apache::lonnet::get_my_roles($args->{'ccuname'},
6993: $args->{'ccdomain'},'userroles',['active'],['cc'],
6994: [$args->{'clonedomain'}]);
6995: if (($roleshash{$args->{'clonecourse'}.':'.$args->{'clonedomain'}.':cc'}) || (grep(/^\Q$args->{'ccuname'}\E:\Q$args->{'ccdomain'}\E$/,@cloners))) {
6996: $can_clone = 1;
6997: } else {
6998: $clonemsg = &mt('The new course was not cloned from an existing course because the new course owner ([_1]) does not have cloning rights in the existing course ([_2]).',$args->{'ccuname'}.':'.$args->{'ccdomain'},$clonedesc{'description'});
6999: }
7000: }
7001: }
7002:
7003: return ($can_clone, $clonemsg, $cloneid, $clonehome);
7004: }
7005:
1.444 albertel 7006: sub construct_course {
1.541 raeburn 7007: my ($args,$logmsg,$courseid,$crsudom,$crsunum,$udom,$uname,$context) = @_;
1.444 albertel 7008: my $outcome;
1.541 raeburn 7009: my $linefeed = '<br />'."\n";
7010: if ($context eq 'auto') {
7011: $linefeed = "\n";
7012: }
1.566 albertel 7013:
7014: #
7015: # Are we cloning?
7016: #
7017: my ($can_clone, $clonemsg, $cloneid, $clonehome);
7018: if (($args->{'clonecourse'}) && ($args->{'clonedomain'})) {
7019: ($can_clone, $clonemsg, $cloneid, $clonehome) = &check_clone($args);
7020: if ($context ne 'auto') {
7021: $clonemsg = '<span class="LC_error">'.$clonemsg.'</span>';
7022: }
7023: $outcome .= $clonemsg.$linefeed;
7024:
7025: if (!$can_clone) {
7026: return (0,$outcome);
7027: }
7028: }
7029:
1.444 albertel 7030: #
7031: # Open course
7032: #
7033: my $crstype = lc($args->{'crstype'});
7034: my %cenv=();
7035: $$courseid=&Apache::lonnet::createcourse($args->{'course_domain'},
7036: $args->{'cdescr'},
7037: $args->{'curl'},
7038: $args->{'course_home'},
7039: $args->{'nonstandard'},
7040: $args->{'crscode'},
7041: $args->{'ccuname'}.':'.
7042: $args->{'ccdomain'},
7043: $args->{'crstype'});
7044:
7045: # Note: The testing routines depend on this being output; see
7046: # Utils::Course. This needs to at least be output as a comment
7047: # if anyone ever decides to not show this, and Utils::Course::new
7048: # will need to be suitably modified.
1.541 raeburn 7049: $outcome .= &mt('New LON-CAPA [_1] ID: [_2]',$crstype,$$courseid).$linefeed;
1.444 albertel 7050: #
7051: # Check if created correctly
7052: #
1.479 albertel 7053: ($$crsudom,$$crsunum)= &LONCAPA::split_courseid($$courseid);
1.444 albertel 7054: my $crsuhome=&Apache::lonnet::homeserver($$crsunum,$$crsudom);
1.541 raeburn 7055: $outcome .= &mt('Created on').': '.$crsuhome.$linefeed;
1.566 albertel 7056:
1.444 albertel 7057: #
1.566 albertel 7058: # Do the cloning
7059: #
7060: if ($can_clone && $cloneid) {
7061: $clonemsg = &mt('Cloning [_1] from [_2]',$crstype,$clonehome);
7062: if ($context ne 'auto') {
7063: $clonemsg = '<span class="LC_success">'.$clonemsg.'</span>';
7064: }
7065: $outcome .= $clonemsg.$linefeed;
7066: my %oldcenv=&Apache::lonnet::dump('environment',$$crsudom,$$crsunum);
1.444 albertel 7067: # Copy all files
1.566 albertel 7068: &Apache::lonclonecourse::copycoursefiles($cloneid,$$courseid);
1.444 albertel 7069: # Restore URL
1.566 albertel 7070: $cenv{'url'}=$oldcenv{'url'};
1.444 albertel 7071: # Restore title
1.566 albertel 7072: $cenv{'description'}=$oldcenv{'description'};
1.444 albertel 7073: # restore grading mode
1.566 albertel 7074: if (defined($oldcenv{'grading'})) {
7075: $cenv{'grading'}=$oldcenv{'grading'};
7076: }
1.444 albertel 7077: # Mark as cloned
1.566 albertel 7078: $cenv{'clonedfrom'}=$cloneid;
7079: delete($cenv{'default_enrollment_start_date'});
7080: delete($cenv{'default_enrollment_end_date'});
1.444 albertel 7081: }
1.566 albertel 7082:
1.444 albertel 7083: #
7084: # Set environment (will override cloned, if existing)
7085: #
7086: my @sections = ();
7087: my @xlists = ();
7088: if ($args->{'crstype'}) {
7089: $cenv{'type'}=$args->{'crstype'};
7090: }
7091: if ($args->{'crsid'}) {
7092: $cenv{'courseid'}=$args->{'crsid'};
7093: }
7094: if ($args->{'crscode'}) {
7095: $cenv{'internal.coursecode'}=$args->{'crscode'};
7096: }
7097: if ($args->{'crsquota'} ne '') {
7098: $cenv{'internal.coursequota'}=$args->{'crsquota'};
7099: } else {
7100: $cenv{'internal.coursequota'}=$args->{'crsquota'} = 20;
7101: }
7102: if ($args->{'ccuname'}) {
7103: $cenv{'internal.courseowner'} = $args->{'ccuname'}.
7104: ':'.$args->{'ccdomain'};
7105: } else {
7106: $cenv{'internal.courseowner'} = $args->{'curruser'};
7107: }
7108:
7109: my @badclasses = (); # Used to accumulate sections/crosslistings that did not pass classlist access check for course owner.
7110: if ($args->{'crssections'}) {
7111: $cenv{'internal.sectionnums'} = '';
7112: if ($args->{'crssections'} =~ m/,/) {
7113: @sections = split/,/,$args->{'crssections'};
7114: } else {
7115: $sections[0] = $args->{'crssections'};
7116: }
7117: if (@sections > 0) {
7118: foreach my $item (@sections) {
7119: my ($sec,$gp) = split/:/,$item;
7120: my $class = $args->{'crscode'}.$sec;
7121: my $addcheck = &Apache::lonnet::auto_new_course($$crsunum,$$crsudom,$class,$cenv{'internal.courseowner'});
7122: $cenv{'internal.sectionnums'} .= $item.',';
7123: unless ($addcheck eq 'ok') {
7124: push @badclasses, $class;
7125: }
7126: }
7127: $cenv{'internal.sectionnums'} =~ s/,$//;
7128: }
7129: }
7130: # do not hide course coordinator from staff listing,
7131: # even if privileged
7132: $cenv{'nothideprivileged'}=$args->{'ccuname'}.':'.$args->{'ccdomain'};
7133: # add crosslistings
7134: if ($args->{'crsxlist'}) {
7135: $cenv{'internal.crosslistings'}='';
7136: if ($args->{'crsxlist'} =~ m/,/) {
7137: @xlists = split/,/,$args->{'crsxlist'};
7138: } else {
7139: $xlists[0] = $args->{'crsxlist'};
7140: }
7141: if (@xlists > 0) {
7142: foreach my $item (@xlists) {
7143: my ($xl,$gp) = split/:/,$item;
7144: my $addcheck = &Apache::lonnet::auto_new_course($$crsunum,$$crsudom,$xl,$cenv{'internal.courseowner'});
7145: $cenv{'internal.crosslistings'} .= $item.',';
7146: unless ($addcheck eq 'ok') {
7147: push @badclasses, $xl;
7148: }
7149: }
7150: $cenv{'internal.crosslistings'} =~ s/,$//;
7151: }
7152: }
7153: if ($args->{'autoadds'}) {
7154: $cenv{'internal.autoadds'}=$args->{'autoadds'};
7155: }
7156: if ($args->{'autodrops'}) {
7157: $cenv{'internal.autodrops'}=$args->{'autodrops'};
7158: }
7159: # check for notification of enrollment changes
7160: my @notified = ();
7161: if ($args->{'notify_owner'}) {
7162: if ($args->{'ccuname'} ne '') {
7163: push(@notified,$args->{'ccuname'}.':'.$args->{'ccdomain'});
7164: }
7165: }
7166: if ($args->{'notify_dc'}) {
7167: if ($uname ne '') {
7168: push(@notified,$uname.'@'.$udom);
7169: }
7170: }
7171: if (@notified > 0) {
7172: my $notifylist;
7173: if (@notified > 1) {
7174: $notifylist = join(',',@notified);
7175: } else {
7176: $notifylist = $notified[0];
7177: }
7178: $cenv{'internal.notifylist'} = $notifylist;
7179: }
7180: if (@badclasses > 0) {
7181: my %lt=&Apache::lonlocal::texthash(
7182: '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',
7183: 'dnhr' => 'does not have rights to access enrollment in these classes',
7184: 'adby' => 'as determined by the policies of your institution on access to official classlists'
7185: );
1.541 raeburn 7186: my $badclass_msg = $cenv{'internal.courseowner'}.') - '.$lt{'dnhr'}.
7187: ' ('.$lt{'adby'}.')';
7188: if ($context eq 'auto') {
7189: $outcome .= $badclass_msg.$linefeed;
1.566 albertel 7190: $outcome .= '<div class="LC_warning">'.$badclass_msg.$linefeed.'<ul>'."\n";
1.541 raeburn 7191: foreach my $item (@badclasses) {
7192: if ($context eq 'auto') {
7193: $outcome .= " - $item\n";
7194: } else {
7195: $outcome .= "<li>$item</li>\n";
7196: }
7197: }
7198: if ($context eq 'auto') {
7199: $outcome .= $linefeed;
7200: } else {
1.566 albertel 7201: $outcome .= "</ul><br /><br /></div>\n";
1.541 raeburn 7202: }
7203: }
1.444 albertel 7204: }
7205: if ($args->{'no_end_date'}) {
7206: $args->{'endaccess'} = 0;
7207: }
7208: $cenv{'internal.autostart'}=$args->{'enrollstart'};
7209: $cenv{'internal.autoend'}=$args->{'enrollend'};
7210: $cenv{'default_enrollment_start_date'}=$args->{'startaccess'};
7211: $cenv{'default_enrollment_end_date'}=$args->{'endaccess'};
7212: if ($args->{'showphotos'}) {
7213: $cenv{'internal.showphotos'}=$args->{'showphotos'};
7214: }
7215: $cenv{'internal.authtype'} = $args->{'authtype'};
7216: $cenv{'internal.autharg'} = $args->{'autharg'};
7217: if ( ($cenv{'internal.authtype'} =~ /^krb/) && ($cenv{'internal.autoadds'} == 1)) {
7218: if (! defined($cenv{'internal.autharg'}) || $cenv{'internal.autharg'} eq '') {
1.541 raeburn 7219: my $krb_msg = &mt('As you did not include the default Kerberos domain to be used for authentication in this class, the institutional data used by the automated enrollment process must include the Kerberos domain for each new student');
7220: if ($context eq 'auto') {
7221: $outcome .= $krb_msg;
7222: } else {
1.566 albertel 7223: $outcome .= '<span class="LC_error">'.$krb_msg.'</span>';
1.541 raeburn 7224: }
7225: $outcome .= $linefeed;
1.444 albertel 7226: }
7227: }
7228: if (($args->{'ccdomain'}) && ($args->{'ccuname'})) {
7229: if ($args->{'setpolicy'}) {
7230: $cenv{'policy.email'}=$args->{'ccuname'}.':'.$args->{'ccdomain'};
7231: }
7232: if ($args->{'setcontent'}) {
7233: $cenv{'question.email'}=$args->{'ccuname'}.':'.$args->{'ccdomain'};
7234: }
7235: }
7236: if ($args->{'reshome'}) {
7237: $cenv{'reshome'}=$args->{'reshome'}.'/';
7238: $cenv{'reshome'}=~s/\/+$/\//;
7239: }
7240: #
7241: # course has keyed access
7242: #
7243: if ($args->{'setkeys'}) {
7244: $cenv{'keyaccess'}='yes';
7245: }
7246: # if specified, key authority is not course, but user
7247: # only active if keyaccess is yes
7248: if ($args->{'keyauth'}) {
1.487 albertel 7249: my ($user,$domain) = split(':',$args->{'keyauth'});
7250: $user = &LONCAPA::clean_username($user);
7251: $domain = &LONCAPA::clean_username($domain);
1.488 foxr 7252: if ($user ne '' && $domain ne '') {
1.487 albertel 7253: $cenv{'keyauth'}=$user.':'.$domain;
1.444 albertel 7254: }
7255: }
7256:
7257: if ($args->{'disresdis'}) {
7258: $cenv{'pch.roles.denied'}='st';
7259: }
7260: if ($args->{'disablechat'}) {
7261: $cenv{'plc.roles.denied'}='st';
7262: }
7263:
7264: # Record we've not yet viewed the Course Initialization Helper for this
7265: # course
7266: $cenv{'course.helper.not.run'} = 1;
7267: #
7268: # Use new Randomseed
7269: #
7270: $cenv{'rndseed'}=&Apache::lonnet::latest_rnd_algorithm_id();;
7271: $cenv{'receiptalg'}=&Apache::lonnet::latest_receipt_algorithm_id();;
7272: #
7273: # The encryption code and receipt prefix for this course
7274: #
7275: $cenv{'internal.encseed'}=$Apache::lonnet::perlvar{'lonReceipt'}.$$.time.int(rand(9999));
7276: $cenv{'internal.encpref'}=100+int(9*rand(99));
7277: #
7278: # By default, use standard grading
7279: if (!defined($cenv{'grading'})) { $cenv{'grading'} = 'standard'; }
7280:
1.541 raeburn 7281: $outcome .= $linefeed.&mt('Setting environment').': '.
7282: &Apache::lonnet::put('environment',\%cenv,$$crsudom,$$crsunum).$linefeed;
1.444 albertel 7283: #
7284: # Open all assignments
7285: #
7286: if ($args->{'openall'}) {
7287: my $storeunder=$$crsudom.'_'.$$crsunum.'.0.opendate';
7288: my %storecontent = ($storeunder => time,
7289: $storeunder.'.type' => 'date_start');
7290:
7291: $outcome .= &mt('Opening all assignments').': '.&Apache::lonnet::cput
1.541 raeburn 7292: ('resourcedata',\%storecontent,$$crsudom,$$crsunum).$linefeed;
1.444 albertel 7293: }
7294: #
7295: # Set first page
7296: #
7297: unless (($args->{'nonstandard'}) || ($args->{'firstres'} eq 'blank')
7298: || ($cloneid)) {
1.445 albertel 7299: use LONCAPA::map;
1.444 albertel 7300: $outcome .= &mt('Setting first resource').': ';
1.445 albertel 7301:
7302: my $map = '/uploaded/'.$$crsudom.'/'.$$crsunum.'/default.sequence';
7303: my ($errtext,$fatal)=&LONCAPA::map::mapread($map);
7304:
1.444 albertel 7305: $outcome .= ($fatal?$errtext:'read ok').' - ';
7306: my $title; my $url;
7307: if ($args->{'firstres'} eq 'syl') {
7308: $title='Syllabus';
7309: $url='/public/'.$$crsudom.'/'.$$crsunum.'/syllabus';
7310: } else {
7311: $title='Navigate Contents';
7312: $url='/adm/navmaps';
7313: }
1.445 albertel 7314:
7315: $LONCAPA::map::resources[1]=$title.':'.$url.':false:start:res';
7316: (my $outtext,$errtext) = &LONCAPA::map::storemap($map,1);
7317:
7318: if ($errtext) { $fatal=2; }
1.541 raeburn 7319: $outcome .= ($fatal?$errtext:'write ok').$linefeed;
1.444 albertel 7320: }
1.566 albertel 7321:
7322: return (1,$outcome);
1.444 albertel 7323: }
7324:
7325: ############################################################
7326: ############################################################
7327:
1.378 raeburn 7328: sub course_type {
7329: my ($cid) = @_;
7330: if (!defined($cid)) {
7331: $cid = $env{'request.course.id'};
7332: }
1.404 albertel 7333: if (defined($env{'course.'.$cid.'.type'})) {
7334: return $env{'course.'.$cid.'.type'};
1.378 raeburn 7335: } else {
7336: return 'Course';
1.377 raeburn 7337: }
7338: }
1.156 albertel 7339:
1.406 raeburn 7340: sub group_term {
7341: my $crstype = &course_type();
7342: my %names = (
7343: 'Course' => 'group',
7344: 'Group' => 'team',
7345: );
7346: return $names{$crstype};
7347: }
7348:
1.156 albertel 7349: sub icon {
7350: my ($file)=@_;
1.505 albertel 7351: my $curfext = lc((split(/\./,$file))[-1]);
1.168 albertel 7352: my $iconname=$Apache::lonnet::perlvar{'lonIconsURL'}.'/unknown.gif';
1.156 albertel 7353: my $embstyle = &Apache::loncommon::fileembstyle($curfext);
1.168 albertel 7354: if (!(!defined($embstyle) || $embstyle eq 'unk' || $embstyle eq 'hdn')) {
7355: if (-e $Apache::lonnet::perlvar{'lonDocRoot'}.'/'.
7356: $Apache::lonnet::perlvar{'lonIconsURL'}.'/'.
7357: $curfext.".gif") {
7358: $iconname=$Apache::lonnet::perlvar{'lonIconsURL'}.'/'.
7359: $curfext.".gif";
7360: }
7361: }
1.249 albertel 7362: return &lonhttpdurl($iconname);
1.154 albertel 7363: }
1.84 albertel 7364:
1.215 albertel 7365: sub lonhttpdurl {
7366: my ($url)=@_;
7367: my $lonhttpd_port=$Apache::lonnet::perlvar{'lonhttpdPort'};
7368: if (!defined($lonhttpd_port)) { $lonhttpd_port='8080'; }
7369: return 'http://'.$ENV{'SERVER_NAME'}.':'.$lonhttpd_port.$url;
7370: }
7371:
1.213 albertel 7372: sub connection_aborted {
7373: my ($r)=@_;
7374: $r->print(" ");$r->rflush();
7375: my $c = $r->connection;
7376: return $c->aborted();
7377: }
7378:
1.221 foxr 7379: # Escapes strings that may have embedded 's that will be put into
1.222 foxr 7380: # strings as 'strings'.
7381: sub escape_single {
1.221 foxr 7382: my ($input) = @_;
1.223 albertel 7383: $input =~ s/\\/\\\\/g; # Escape the \'s..(must be first)>
1.221 foxr 7384: $input =~ s/\'/\\\'/g; # Esacpe the 's....
7385: return $input;
7386: }
1.223 albertel 7387:
1.222 foxr 7388: # Same as escape_single, but escape's "'s This
7389: # can be used for "strings"
7390: sub escape_double {
7391: my ($input) = @_;
7392: $input =~ s/\\/\\\\/g; # Escape the /'s..(must be first)>
7393: $input =~ s/\"/\\\"/g; # Esacpe the "s....
7394: return $input;
7395: }
1.223 albertel 7396:
1.222 foxr 7397: # Escapes the last element of a full URL.
7398: sub escape_url {
7399: my ($url) = @_;
1.238 raeburn 7400: my @urlslices = split(/\//, $url,-1);
1.369 www 7401: my $lastitem = &escape(pop(@urlslices));
1.223 albertel 7402: return join('/',@urlslices).'/'.$lastitem;
1.222 foxr 7403: }
1.462 albertel 7404:
7405: # -------------------------------------------------------- Initliaze user login
7406: sub init_user_environment {
1.463 albertel 7407: my ($r, $username, $domain, $authhost, $form, $args) = @_;
1.462 albertel 7408: my $lonids=$Apache::lonnet::perlvar{'lonIDsDir'};
7409:
7410: my $public=($username eq 'public' && $domain eq 'public');
7411:
7412: # See if old ID present, if so, remove
7413:
7414: my ($filename,$cookie,$userroles);
7415: my $now=time;
7416:
7417: if ($public) {
7418: my $max_public=100;
7419: my $oldest;
7420: my $oldest_time=0;
7421: for(my $next=1;$next<=$max_public;$next++) {
7422: if (-e $lonids."/publicuser_$next.id") {
7423: my $mtime=(stat($lonids."/publicuser_$next.id"))[9];
7424: if ($mtime<$oldest_time || !$oldest_time) {
7425: $oldest_time=$mtime;
7426: $oldest=$next;
7427: }
7428: } else {
7429: $cookie="publicuser_$next";
7430: last;
7431: }
7432: }
7433: if (!$cookie) { $cookie="publicuser_$oldest"; }
7434: } else {
1.463 albertel 7435: # if this isn't a robot, kill any existing non-robot sessions
7436: if (!$args->{'robot'}) {
7437: opendir(DIR,$lonids);
7438: while ($filename=readdir(DIR)) {
7439: if ($filename=~/^$username\_\d+\_$domain\_$authhost\.id$/) {
7440: unlink($lonids.'/'.$filename);
7441: }
1.462 albertel 7442: }
1.463 albertel 7443: closedir(DIR);
1.462 albertel 7444: }
7445: # Give them a new cookie
1.463 albertel 7446: my $id = ($args->{'robot'} ? 'robot'.$args->{'robot'}
7447: : $now);
7448: $cookie="$username\_$id\_$domain\_$authhost";
1.462 albertel 7449:
7450: # Initialize roles
7451:
7452: $userroles=&Apache::lonnet::rolesinit($domain,$username,$authhost);
7453: }
7454: # ------------------------------------ Check browser type and MathML capability
7455:
7456: my ($httpbrowser,$clientbrowser,$clientversion,$clientmathml,
7457: $clientunicode,$clientos) = &decode_user_agent($r);
7458:
7459: # -------------------------------------- Any accessibility options to remember?
7460: if (($form->{'interface'}) && ($form->{'remember'} eq 'true')) {
7461: foreach my $option ('imagesuppress','appletsuppress',
7462: 'embedsuppress','fontenhance','blackwhite') {
7463: if ($form->{$option} eq 'true') {
7464: &Apache::lonnet::put('environment',{$option => 'on'},
7465: $domain,$username);
7466: } else {
7467: &Apache::lonnet::del('environment',[$option],
7468: $domain,$username);
7469: }
7470: }
7471: }
7472: # ------------------------------------------------------------- Get environment
7473:
7474: my %userenv = &Apache::lonnet::dump('environment',$domain,$username);
7475: my ($tmp) = keys(%userenv);
7476: if ($tmp !~ /^(con_lost|error|no_such_host)/i) {
7477: # default remote control to off
7478: if ($userenv{'remote'} ne 'on') { $userenv{'remote'} = 'off'; }
7479: } else {
7480: undef(%userenv);
7481: }
7482: if (($userenv{'interface'}) && (!$form->{'interface'})) {
7483: $form->{'interface'}=$userenv{'interface'};
7484: }
7485: $env{'environment.remote'}=$userenv{'remote'};
7486: if ($userenv{'texengine'} eq 'ttm') { $clientmathml=1; }
7487:
7488: # --------------- Do not trust query string to be put directly into environment
7489: foreach my $option ('imagesuppress','appletsuppress',
7490: 'embedsuppress','fontenhance','blackwhite',
7491: 'interface','localpath','localres') {
7492: $form->{$option}=~s/[\n\r\=]//gs;
7493: }
7494: # --------------------------------------------------------- Write first profile
7495:
7496: {
7497: my %initial_env =
7498: ("user.name" => $username,
7499: "user.domain" => $domain,
7500: "user.home" => $authhost,
7501: "browser.type" => $clientbrowser,
7502: "browser.version" => $clientversion,
7503: "browser.mathml" => $clientmathml,
7504: "browser.unicode" => $clientunicode,
7505: "browser.os" => $clientos,
7506: "server.domain" => $Apache::lonnet::perlvar{'lonDefDomain'},
7507: "request.course.fn" => '',
7508: "request.course.uri" => '',
7509: "request.course.sec" => '',
7510: "request.role" => 'cm',
7511: "request.role.adv" => $env{'user.adv'},
7512: "request.host" => $ENV{'REMOTE_ADDR'},);
7513:
7514: if ($form->{'localpath'}) {
7515: $initial_env{"browser.localpath"} = $form->{'localpath'};
7516: $initial_env{"browser.localres"} = $form->{'localres'};
7517: }
7518:
7519: if ($public) {
7520: $initial_env{"environment.remote"} = "off";
7521: }
7522: if ($form->{'interface'}) {
7523: $form->{'interface'}=~s/\W//gs;
7524: $initial_env{"browser.interface"} = $form->{'interface'};
7525: $env{'browser.interface'}=$form->{'interface'};
7526: foreach my $option ('imagesuppress','appletsuppress',
7527: 'embedsuppress','fontenhance','blackwhite') {
7528: if (($form->{$option} eq 'true') ||
7529: ($userenv{$option} eq 'on')) {
7530: $initial_env{"browser.$option"} = "on";
7531: }
7532: }
7533: }
7534:
7535: $env{'user.environment'} = "$lonids/$cookie.id";
7536:
7537: if (tie(my %disk_env,'GDBM_File',"$lonids/$cookie.id",
7538: &GDBM_WRCREAT(),0640)) {
7539: &_add_to_env(\%disk_env,\%initial_env);
7540: &_add_to_env(\%disk_env,\%userenv,'environment.');
7541: &_add_to_env(\%disk_env,$userroles);
1.463 albertel 7542: if (ref($args->{'extra_env'})) {
7543: &_add_to_env(\%disk_env,$args->{'extra_env'});
7544: }
1.462 albertel 7545: untie(%disk_env);
7546: } else {
7547: &Apache::lonnet::logthis("<font color=\"blue\">WARNING: ".
7548: 'Could not create environment storage in lonauth: '.$!.'</font>');
7549: return 'error: '.$!;
7550: }
7551: }
7552: $env{'request.role'}='cm';
7553: $env{'request.role.adv'}=$env{'user.adv'};
7554: $env{'browser.type'}=$clientbrowser;
7555:
7556: return $cookie;
7557:
7558: }
7559:
7560: sub _add_to_env {
7561: my ($idf,$env_data,$prefix) = @_;
7562: while (my ($key,$value) = each(%$env_data)) {
7563: $idf->{$prefix.$key} = $value;
7564: $env{$prefix.$key} = $value;
7565: }
7566: }
7567:
7568:
1.41 ng 7569: =pod
7570:
7571: =back
7572:
1.112 bowersj2 7573: =cut
1.41 ng 7574:
1.112 bowersj2 7575: 1;
7576: __END__;
1.41 ng 7577:
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