Annotation of loncom/interface/loncommon.pm, revision 1.544
1.10 albertel 1: # The LearningOnline Network with CAPA
1.1 albertel 2: # a pile of common routines
1.10 albertel 3: #
1.544 ! albertel 4: # $Id: loncommon.pm,v 1.543 2007/07/03 00:17:42 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;
1.111 www 337: function openstdbrowser(formname,uname,udom,roleflag) {
1.74 www 338: var url = '/adm/pickstudent?';
339: var filter;
340: eval('filter=document.'+formname+'.'+uname+'.value;');
341: if (filter != null) {
342: if (filter != '') {
343: url += 'filter='+filter+'&';
344: }
345: }
346: url += 'form=' + formname + '&unameelement='+uname+
347: '&udomelement='+udom;
1.111 www 348: if (roleflag) { url+="&roles=1"; }
1.102 www 349: var title = 'Student_Browser';
1.74 www 350: var options = 'scrollbars=1,resizable=1,menubar=0';
351: options += ',width=700,height=600';
352: stdeditbrowser = open(url,title,options,'1');
353: stdeditbrowser.focus();
354: }
355: </script>
356: ENDSTDBRW
357: }
1.42 matthew 358:
1.74 www 359: sub selectstudent_link {
1.111 www 360: my ($form,$unameele,$udomele)=@_;
1.258 albertel 361: if ($env{'request.course.id'}) {
1.302 albertel 362: if (!&Apache::lonnet::allowed('srm',$env{'request.course.id'})
363: && !&Apache::lonnet::allowed('srm',$env{'request.course.id'}.
364: '/'.$env{'request.course.sec'})) {
1.111 www 365: return '';
366: }
367: return "<a href='".'javascript:openstdbrowser("'.$form.'","'.$unameele.
1.119 www 368: '","'.$udomele.'");'."'>".&mt('Select User')."</a>";
1.74 www 369: }
1.258 albertel 370: if ($env{'request.role'}=~/^(au|dc|su)/) {
1.111 www 371: return "<a href='".'javascript:openstdbrowser("'.$form.'","'.$unameele.
1.119 www 372: '","'.$udomele.'",1);'."'>".&mt('Select User')."</a>";
1.111 www 373: }
374: return '';
1.91 www 375: }
376:
377: sub coursebrowser_javascript {
1.468 raeburn 378: my ($domainfilter,$sec_element,$formname)=@_;
1.377 raeburn 379: 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 380: my $output = '
1.538 albertel 381: <script type="text/javascript">
1.468 raeburn 382: var stdeditbrowser;'."\n";
383: $output .= <<"ENDSTDBRW";
1.377 raeburn 384: function opencrsbrowser(formname,uname,udom,desc,extra_element,multflag,crstype) {
1.91 www 385: var url = '/adm/pickcourse?';
1.468 raeburn 386: var domainfilter = '';
387: var formid = getFormIdByName(formname);
388: if (formid > -1) {
389: var domid = getIndexByName(formid,udom);
390: if (domid > -1) {
391: if (document.forms[formid].elements[domid].type == 'select-one') {
392: domainfilter=document.forms[formid].elements[domid].options[document.forms[formid].elements[domid].selectedIndex].value;
393: }
394: if (document.forms[formid].elements[domid].type == 'hidden') {
395: domainfilter=document.forms[formid].elements[domid].value;
396: }
397: }
1.91 www 398: }
1.128 albertel 399: if (domainfilter != null) {
400: if (domainfilter != '') {
401: url += 'domainfilter='+domainfilter+'&';
402: }
403: }
1.91 www 404: url += 'form=' + formname + '&cnumelement='+uname+
1.187 albertel 405: '&cdomelement='+udom+
406: '&cnameelement='+desc;
1.468 raeburn 407: if (extra_element !=null && extra_element != '') {
408: if (formname == 'rolechoice') {
409: url += '&roleelement='+extra_element;
410: if (domainfilter == null || domainfilter == '') {
411: url += '&domainfilter='+extra_element;
412: }
1.234 raeburn 413: }
1.468 raeburn 414: else {
415: if (formname == 'portform') {
416: url += '&setroles='+extra_element;
417: }
418: }
1.230 raeburn 419: }
1.293 raeburn 420: if (multflag !=null && multflag != '') {
421: url += '&multiple='+multflag;
422: }
1.377 raeburn 423: if (crstype == 'Course/Group') {
424: if (formname == 'cu') {
425: crstype = document.cu.crstype.options[document.cu.crstype.selectedIndex].value;
426: if (crstype == "") {
427: alert("$crs_or_grp_alert");
428: return;
429: }
430: }
431: }
432: if (crstype !=null && crstype != '') {
433: url += '&type='+crstype;
434: }
1.102 www 435: var title = 'Course_Browser';
1.91 www 436: var options = 'scrollbars=1,resizable=1,menubar=0';
437: options += ',width=700,height=600';
438: stdeditbrowser = open(url,title,options,'1');
439: stdeditbrowser.focus();
440: }
1.468 raeburn 441:
442: function getFormIdByName(formname) {
443: for (var i=0;i<document.forms.length;i++) {
444: if (document.forms[i].name == formname) {
445: return i;
446: }
447: }
448: return -1;
449: }
450:
451: function getIndexByName(formid,item) {
452: for (var i=0;i<document.forms[formid].elements.length;i++) {
453: if (document.forms[formid].elements[i].name == item) {
454: return i;
455: }
456: }
457: return -1;
458: }
1.91 www 459: ENDSTDBRW
1.468 raeburn 460: if ($sec_element ne '') {
461: $output .= &setsec_javascript($sec_element,$formname);
462: }
463: $output .= '
464: </script>';
465: return $output;
466: }
467:
468: sub setsec_javascript {
469: my ($sec_element,$formname) = @_;
470: my $setsections = qq|
471: function setSect(sectionlist) {
472: var sectionsArray = sectionlist.split(",");
473: var numSections = sectionsArray.length;
474: document.$formname.$sec_element.length = 0;
475: if (numSections == 0) {
476: document.$formname.$sec_element.multiple=false;
477: document.$formname.$sec_element.size=1;
478: document.$formname.$sec_element.options[0] = new Option('No existing sections','',false,false)
479: } else {
480: if (numSections == 1) {
481: document.$formname.$sec_element.multiple=false;
482: document.$formname.$sec_element.size=1;
483: document.$formname.$sec_element.options[0] = new Option('Select','',true,true);
484: document.$formname.$sec_element.options[1] = new Option('No section','',false,false)
485: document.$formname.$sec_element.options[2] = new Option(sectionsArray[0],sectionsArray[0],false,false);
486: } else {
487: for (var i=0; i<numSections; i++) {
488: document.$formname.$sec_element.options[i] = new Option(sectionsArray[i],sectionsArray[i],false,false)
489: }
490: document.$formname.$sec_element.multiple=true
491: if (numSections < 3) {
492: document.$formname.$sec_element.size=numSections;
493: } else {
494: document.$formname.$sec_element.size=3;
495: }
496: document.$formname.$sec_element.options[0].selected = false
497: }
498: }
1.91 www 499: }
1.468 raeburn 500: |;
501: return $setsections;
502: }
503:
1.91 www 504:
505: sub selectcourse_link {
1.377 raeburn 506: my ($form,$unameele,$udomele,$desc,$extra_element,$multflag,$selecttype)=@_;
1.492 albertel 507: return "<a href='".'javascript:opencrsbrowser("'.$form.'","'.$unameele.
508: '","'.$udomele.'","'.$desc.'","'.$extra_element.'","'.$multflag.'","'.$selecttype.'");'."'>".&mt('Select Course')."</a>";
1.74 www 509: }
1.42 matthew 510:
1.273 raeburn 511: sub check_uncheck_jscript {
512: my $jscript = <<"ENDSCRT";
513: function checkAll(field) {
514: if (field.length > 0) {
515: for (i = 0; i < field.length; i++) {
516: field[i].checked = true ;
517: }
518: } else {
519: field.checked = true
520: }
521: }
522:
523: function uncheckAll(field) {
524: if (field.length > 0) {
525: for (i = 0; i < field.length; i++) {
526: field[i].checked = false ;
1.543 albertel 527: }
528: } else {
1.273 raeburn 529: field.checked = false ;
530: }
531: }
532: ENDSCRT
533: return $jscript;
534: }
535:
536:
1.42 matthew 537: =pod
1.36 matthew 538:
1.112 bowersj2 539: =item * linked_select_forms(...)
1.36 matthew 540:
541: linked_select_forms returns a string containing a <script></script> block
542: and html for two <select> menus. The select menus will be linked in that
543: changing the value of the first menu will result in new values being placed
544: in the second menu. The values in the select menu will appear in alphabetical
545: order.
546:
547: linked_select_forms takes the following ordered inputs:
548:
549: =over 4
550:
1.112 bowersj2 551: =item * $formname, the name of the <form> tag
1.36 matthew 552:
1.112 bowersj2 553: =item * $middletext, the text which appears between the <select> tags
1.36 matthew 554:
1.112 bowersj2 555: =item * $firstdefault, the default value for the first menu
1.36 matthew 556:
1.112 bowersj2 557: =item * $firstselectname, the name of the first <select> tag
1.36 matthew 558:
1.112 bowersj2 559: =item * $secondselectname, the name of the second <select> tag
1.36 matthew 560:
1.112 bowersj2 561: =item * $hashref, a reference to a hash containing the data for the menus.
1.36 matthew 562:
1.41 ng 563: =back
564:
1.36 matthew 565: Below is an example of such a hash. Only the 'text', 'default', and
566: 'select2' keys must appear as stated. keys(%menu) are the possible
567: values for the first select menu. The text that coincides with the
1.41 ng 568: first menu value is given in $menu{$choice1}->{'text'}. The values
1.36 matthew 569: and text for the second menu are given in the hash pointed to by
570: $menu{$choice1}->{'select2'}.
571:
1.112 bowersj2 572: my %menu = ( A1 => { text =>"Choice A1" ,
573: default => "B3",
574: select2 => {
575: B1 => "Choice B1",
576: B2 => "Choice B2",
577: B3 => "Choice B3",
578: B4 => "Choice B4"
579: }
580: },
581: A2 => { text =>"Choice A2" ,
582: default => "C2",
583: select2 => {
584: C1 => "Choice C1",
585: C2 => "Choice C2",
586: C3 => "Choice C3"
587: }
588: },
589: A3 => { text =>"Choice A3" ,
590: default => "D6",
591: select2 => {
592: D1 => "Choice D1",
593: D2 => "Choice D2",
594: D3 => "Choice D3",
595: D4 => "Choice D4",
596: D5 => "Choice D5",
597: D6 => "Choice D6",
598: D7 => "Choice D7"
599: }
600: }
601: );
1.36 matthew 602:
603: =cut
604:
605: sub linked_select_forms {
606: my ($formname,
607: $middletext,
608: $firstdefault,
609: $firstselectname,
610: $secondselectname,
611: $hashref
612: ) = @_;
613: my $second = "document.$formname.$secondselectname";
614: my $first = "document.$formname.$firstselectname";
615: # output the javascript to do the changing
616: my $result = '';
1.219 albertel 617: $result.="<script type=\"text/javascript\">\n";
1.36 matthew 618: $result.="var select2data = new Object();\n";
619: $" = '","';
620: my $debug = '';
621: foreach my $s1 (sort(keys(%$hashref))) {
622: $result.="select2data.d_$s1 = new Object();\n";
623: $result.="select2data.d_$s1.def = new String('".
624: $hashref->{$s1}->{'default'}."');\n";
625: $result.="select2data.d_$s1.values = new Array(";
626: my @s2values = sort(keys( %{ $hashref->{$s1}->{'select2'} } ));
627: $result.="\"@s2values\");\n";
628: $result.="select2data.d_$s1.texts = new Array(";
629: my @s2texts;
630: foreach my $value (@s2values) {
631: push @s2texts, $hashref->{$s1}->{'select2'}->{$value};
632: }
633: $result.="\"@s2texts\");\n";
634: }
635: $"=' ';
636: $result.= <<"END";
637:
638: function select1_changed() {
639: // Determine new choice
640: var newvalue = "d_" + $first.value;
641: // update select2
642: var values = select2data[newvalue].values;
643: var texts = select2data[newvalue].texts;
644: var select2def = select2data[newvalue].def;
645: var i;
646: // out with the old
647: for (i = 0; i < $second.options.length; i++) {
648: $second.options[i] = null;
649: }
650: // in with the nuclear
651: for (i=0;i<values.length; i++) {
652: $second.options[i] = new Option(values[i]);
1.143 matthew 653: $second.options[i].value = values[i];
1.36 matthew 654: $second.options[i].text = texts[i];
655: if (values[i] == select2def) {
656: $second.options[i].selected = true;
657: }
658: }
659: }
660: </script>
661: END
662: # output the initial values for the selection lists
663: $result .= "<select size=\"1\" name=\"$firstselectname\" onchange=\"select1_changed()\">\n";
664: foreach my $value (sort(keys(%$hashref))) {
665: $result.=" <option value=\"$value\" ";
1.253 albertel 666: $result.=" selected=\"selected\" " if ($value eq $firstdefault);
1.119 www 667: $result.=">".&mt($hashref->{$value}->{'text'})."</option>\n";
1.36 matthew 668: }
669: $result .= "</select>\n";
670: my %select2 = %{$hashref->{$firstdefault}->{'select2'}};
671: $result .= $middletext;
672: $result .= "<select size=\"1\" name=\"$secondselectname\">\n";
673: my $seconddefault = $hashref->{$firstdefault}->{'default'};
674: foreach my $value (sort(keys(%select2))) {
675: $result.=" <option value=\"$value\" ";
1.253 albertel 676: $result.=" selected=\"selected\" " if ($value eq $seconddefault);
1.119 www 677: $result.=">".&mt($select2{$value})."</option>\n";
1.36 matthew 678: }
679: $result .= "</select>\n";
680: # return $debug;
681: return $result;
682: } # end of sub linked_select_forms {
683:
1.45 matthew 684: =pod
1.44 bowersj2 685:
1.112 bowersj2 686: =item * help_open_topic($topic, $text, $stayOnPage, $width, $height)
1.44 bowersj2 687:
1.112 bowersj2 688: Returns a string corresponding to an HTML link to the given help
689: $topic, where $topic corresponds to the name of a .tex file in
690: /home/httpd/html/adm/help/tex, with underscores replaced by
691: spaces.
692:
693: $text will optionally be linked to the same topic, allowing you to
694: link text in addition to the graphic. If you do not want to link
695: text, but wish to specify one of the later parameters, pass an
696: empty string.
697:
698: $stayOnPage is a value that will be interpreted as a boolean. If true,
699: the link will not open a new window. If false, the link will open
700: a new window using Javascript. (Default is false.)
701:
702: $width and $height are optional numerical parameters that will
703: override the width and height of the popped up window, which may
704: be useful for certain help topics with big pictures included.
1.44 bowersj2 705:
706: =cut
707:
708: sub help_open_topic {
1.48 bowersj2 709: my ($topic, $text, $stayOnPage, $width, $height) = @_;
710: $text = "" if (not defined $text);
1.44 bowersj2 711: $stayOnPage = 0 if (not defined $stayOnPage);
1.258 albertel 712: if ($env{'browser.interface'} eq 'textual' ||
713: $env{'environment.remote'} eq 'off' ) {
1.79 www 714: $stayOnPage=1;
715: }
1.44 bowersj2 716: $width = 350 if (not defined $width);
717: $height = 400 if (not defined $height);
718: my $filename = $topic;
719: $filename =~ s/ /_/g;
720:
1.48 bowersj2 721: my $template = "";
722: my $link;
1.159 www 723:
724: $topic=~s/\W/\_/g;
1.44 bowersj2 725:
726: if (!$stayOnPage)
727: {
1.72 bowersj2 728: $link = "javascript:void(open('/adm/help/${filename}.hlp', 'Help_for_$topic', 'menubar=0,toolbar=1,scrollbars=1,width=$width,height=$height,resizable=yes'))";
1.44 bowersj2 729: }
730: else
731: {
1.48 bowersj2 732: $link = "/adm/help/${filename}.hlp";
733: }
734:
735: # Add the text
736: if ($text ne "")
737: {
1.77 www 738: $template .=
739: "<table bgcolor='#3333AA' cellspacing='1' cellpadding='1' border='0'><tr>".
1.436 albertel 740: "<td bgcolor='#5555FF'><a target=\"_top\" href=\"$link\"><font color='#FFFFFF' size='2'>$text</font></a>";
1.48 bowersj2 741: }
742:
743: # Add the graphic
1.179 matthew 744: my $title = &mt('Online Help');
1.215 albertel 745: my $helpicon=&lonhttpdurl("/adm/help/gif/smallHelp.gif");
1.48 bowersj2 746: $template .= <<"ENDTEMPLATE";
1.436 albertel 747: <a target="_top" href="$link" title="$title"><img src="$helpicon" border="0" alt="(Help: $topic)" /></a>
1.44 bowersj2 748: ENDTEMPLATE
1.78 www 749: if ($text ne '') { $template.='</td></tr></table>' };
1.44 bowersj2 750: return $template;
751:
1.106 bowersj2 752: }
753:
754: # This is a quicky function for Latex cheatsheet editing, since it
755: # appears in at least four places
756: sub helpLatexCheatsheet {
757: my $other = shift;
758: my $addOther = '';
759: if ($other) {
760: $addOther = Apache::loncommon::help_open_topic($other, shift,
761: undef, undef, 600) .
762: '</td><td>';
763: }
764: return '<table><tr><td>'.
765: $addOther .
766: &Apache::loncommon::help_open_topic("Greek_Symbols",'Greek Symbols',
767: undef,undef,600)
768: .'</td><td>'.
769: &Apache::loncommon::help_open_topic("Other_Symbols",'Other Symbols',
770: undef,undef,600)
771: .'</td></tr></table>';
1.172 www 772: }
773:
1.430 albertel 774: sub general_help {
775: my $helptopic='Student_Intro';
776: if ($env{'request.role'}=~/^(ca|au)/) {
777: $helptopic='Authoring_Intro';
778: } elsif ($env{'request.role'}=~/^cc/) {
779: $helptopic='Course_Coordination_Intro';
780: }
781: return $helptopic;
782: }
783:
784: sub update_help_link {
785: my ($topic,$component_help,$faq,$bug,$stayOnPage) = @_;
786: my $origurl = $ENV{'REQUEST_URI'};
787: $origurl=~s|^/~|/priv/|;
788: my $timestamp = time;
789: foreach my $datum (\$topic,\$component_help,\$faq,\$bug,\$origurl) {
790: $$datum = &escape($$datum);
791: }
792:
793: my $banner_link = "/adm/helpmenu?page=banner&topic=$topic&component_help=$component_help&faq=$faq&bug=$bug&origurl=$origurl&stamp=$timestamp&stayonpage=$stayOnPage";
794: my $output .= <<"ENDOUTPUT";
795: <script type="text/javascript">
796: banner_link = '$banner_link';
797: </script>
798: ENDOUTPUT
799: return $output;
800: }
801:
802: # now just updates the help link and generates a blue icon
1.193 raeburn 803: sub help_open_menu {
1.430 albertel 804: my ($topic,$component_help,$faq,$bug,$stayOnPage,$width,$height,$text)
805: = @_;
806:
807: $stayOnPage = 0 if (not defined $stayOnPage);
808: if ($env{'browser.interface'} eq 'textual' ||
809: $env{'environment.remote'} eq 'off' ) {
810: $stayOnPage=1;
811: }
812: my $output;
813: if ($component_help) {
814: if (!$text) {
815: $output=&help_open_topic($component_help,undef,$stayOnPage,
816: $width,$height);
817: } else {
818: my $help_text;
819: $help_text=&unescape($topic);
820: $output='<table><tr><td>'.
821: &help_open_topic($component_help,$help_text,$stayOnPage,
822: $width,$height).'</td></tr></table>';
823: }
824: }
825: my $banner_link = &update_help_link($topic,$component_help,$faq,$bug,$stayOnPage);
826: return $output.$banner_link;
827: }
828:
829: sub top_nav_help {
830: my ($text) = @_;
831:
1.436 albertel 832: $text = &mt($text);
833:
834: my $stayOnPage =
835: ($env{'browser.interface'} eq 'textual' ||
836: $env{'environment.remote'} eq 'off' );
837: my $link= ($stayOnPage) ? "javascript:helpMenu('display')"
838: : "javascript:helpMenu('open')";
839: my $banner_link = &update_help_link(undef,undef,undef,undef,$stayOnPage);
840:
1.201 raeburn 841: my $title = &mt('Get help');
1.436 albertel 842:
843: return <<"END";
844: $banner_link
845: <a href="$link" title="$title">$text</a>
846: END
847: }
848:
849: sub help_menu_js {
850: my ($text) = @_;
851:
852: my $stayOnPage =
853: ($env{'browser.interface'} eq 'textual' ||
854: $env{'environment.remote'} eq 'off' );
855:
856: my $width = 620;
857: my $height = 600;
1.430 albertel 858: my $helptopic=&general_help();
859: my $details_link = '/adm/help/'.$helptopic.'.hlp';
1.261 albertel 860: my $nothing=&Apache::lonhtmlcommon::javascript_nothing();
1.331 albertel 861: my $start_page =
862: &Apache::loncommon::start_page('Help Menu', undef,
863: {'frameset' => 1,
864: 'js_ready' => 1,
865: 'add_entries' => {
866: 'border' => '0',
867: 'rows' => "105,*",},});
868: my $end_page =
869: &Apache::loncommon::end_page({'frameset' => 1,
870: 'js_ready' => 1,});
871:
1.436 albertel 872: my $template .= <<"ENDTEMPLATE";
873: <script type="text/javascript">
1.253 albertel 874: // <!-- BEGIN LON-CAPA Internal
875: // <![CDATA[
1.430 albertel 876: var banner_link = '';
1.243 raeburn 877: function helpMenu(target) {
878: var caller = this;
879: if (target == 'open') {
880: var newWindow = null;
881: try {
1.262 albertel 882: newWindow = window.open($nothing,"helpmenu","HEIGHT=$height,WIDTH=$width,resizable=yes,scrollbars=yes" )
1.243 raeburn 883: }
884: catch(error) {
885: writeHelp(caller);
886: return;
887: }
888: if (newWindow) {
889: caller = newWindow;
890: }
1.193 raeburn 891: }
1.243 raeburn 892: writeHelp(caller);
893: return;
894: }
895: function writeHelp(caller) {
1.430 albertel 896: caller.document.writeln('$start_page<frame name="bannerframe" src="'+banner_link+'" /><frame name="bodyframe" src="$details_link" /> $end_page')
1.243 raeburn 897: caller.document.close()
898: caller.focus()
1.193 raeburn 899: }
1.253 albertel 900: // ]]>
1.219 albertel 901: // END LON-CAPA Internal -->
1.436 albertel 902: </script>
1.193 raeburn 903: ENDTEMPLATE
904: return $template;
905: }
906:
1.172 www 907: sub help_open_bug {
908: my ($topic, $text, $stayOnPage, $width, $height) = @_;
1.258 albertel 909: unless ($env{'user.adv'}) { return ''; }
1.172 www 910: unless ($Apache::lonnet::perlvar{'BugzillaHost'}) { return ''; }
911: $text = "" if (not defined $text);
912: $stayOnPage = 0 if (not defined $stayOnPage);
1.258 albertel 913: if ($env{'browser.interface'} eq 'textual' ||
914: $env{'environment.remote'} eq 'off' ) {
1.172 www 915: $stayOnPage=1;
916: }
1.184 albertel 917: $width = 600 if (not defined $width);
918: $height = 600 if (not defined $height);
1.172 www 919:
920: $topic=~s/\W+/\+/g;
921: my $link='';
922: my $template='';
1.379 albertel 923: my $url=$Apache::lonnet::perlvar{'BugzillaHost'}.'enter_bug.cgi?product=LON-CAPA&bug_file_loc='.
924: &escape($ENV{'REQUEST_URI'}).'&component='.$topic;
1.172 www 925: if (!$stayOnPage)
926: {
927: $link = "javascript:void(open('$url', 'Bugzilla', 'menubar=0,toolbar=1,scrollbars=1,width=$width,height=$height,resizable=yes'))";
928: }
929: else
930: {
931: $link = $url;
932: }
933: # Add the text
934: if ($text ne "")
935: {
936: $template .=
937: "<table bgcolor='#AA3333' cellspacing='1' cellpadding='1' border='0'><tr>".
1.436 albertel 938: "<td bgcolor='#FF5555'><a target=\"_top\" href=\"$link\"><font color='#FFFFFF' size='2'>$text</font></a>";
1.172 www 939: }
940:
941: # Add the graphic
1.179 matthew 942: my $title = &mt('Report a Bug');
1.215 albertel 943: my $bugicon=&lonhttpdurl("/adm/lonMisc/smallBug.gif");
1.172 www 944: $template .= <<"ENDTEMPLATE";
1.436 albertel 945: <a target="_top" href="$link" title="$title"><img src="$bugicon" border="0" alt="(Bug: $topic)" /></a>
1.172 www 946: ENDTEMPLATE
947: if ($text ne '') { $template.='</td></tr></table>' };
948: return $template;
949:
950: }
951:
952: sub help_open_faq {
953: my ($topic, $text, $stayOnPage, $width, $height) = @_;
1.258 albertel 954: unless ($env{'user.adv'}) { return ''; }
1.172 www 955: unless ($Apache::lonnet::perlvar{'FAQHost'}) { return ''; }
956: $text = "" if (not defined $text);
957: $stayOnPage = 0 if (not defined $stayOnPage);
1.258 albertel 958: if ($env{'browser.interface'} eq 'textual' ||
959: $env{'environment.remote'} eq 'off' ) {
1.172 www 960: $stayOnPage=1;
961: }
962: $width = 350 if (not defined $width);
963: $height = 400 if (not defined $height);
964:
965: $topic=~s/\W+/\+/g;
966: my $link='';
967: my $template='';
968: my $url=$Apache::lonnet::perlvar{'FAQHost'}.'/fom/cache/'.$topic.'.html';
969: if (!$stayOnPage)
970: {
971: $link = "javascript:void(open('$url', 'FAQ-O-Matic', 'menubar=0,toolbar=1,scrollbars=1,width=$width,height=$height,resizable=yes'))";
972: }
973: else
974: {
975: $link = $url;
976: }
977:
978: # Add the text
979: if ($text ne "")
980: {
981: $template .=
1.173 www 982: "<table bgcolor='#337733' cellspacing='1' cellpadding='1' border='0'><tr>".
1.436 albertel 983: "<td bgcolor='#448844'><a target=\"_top\" href=\"$link\"><font color='#FFFFFF' size='2'>$text</font></a>";
1.172 www 984: }
985:
986: # Add the graphic
1.179 matthew 987: my $title = &mt('View the FAQ');
1.215 albertel 988: my $faqicon=&lonhttpdurl("/adm/lonMisc/smallFAQ.gif");
1.172 www 989: $template .= <<"ENDTEMPLATE";
1.436 albertel 990: <a target="_top" href="$link" title="$title"><img src="$faqicon" border="0" alt="(FAQ: $topic)" /></a>
1.172 www 991: ENDTEMPLATE
992: if ($text ne '') { $template.='</td></tr></table>' };
993: return $template;
994:
1.44 bowersj2 995: }
1.37 matthew 996:
1.180 matthew 997: ###############################################################
998: ###############################################################
999:
1.45 matthew 1000: =pod
1001:
1.256 matthew 1002: =item * change_content_javascript():
1003:
1004: This and the next function allow you to create small sections of an
1005: otherwise static HTML page that you can update on the fly with
1006: Javascript, even in Netscape 4.
1007:
1008: The Javascript fragment returned by this function (no E<lt>scriptE<gt> tag)
1009: must be written to the HTML page once. It will prove the Javascript
1010: function "change(name, content)". Calling the change function with the
1011: name of the section
1012: you want to update, matching the name passed to C<changable_area>, and
1013: the new content you want to put in there, will put the content into
1014: that area.
1015:
1016: B<Note>: Netscape 4 only reserves enough space for the changable area
1017: to contain room for the original contents. You need to "make space"
1018: for whatever changes you wish to make, and be B<sure> to check your
1019: code in Netscape 4. This feature in Netscape 4 is B<not> powerful;
1020: it's adequate for updating a one-line status display, but little more.
1021: This script will set the space to 100% width, so you only need to
1022: worry about height in Netscape 4.
1023:
1024: Modern browsers are much less limiting, and if you can commit to the
1025: user not using Netscape 4, this feature may be used freely with
1026: pretty much any HTML.
1027:
1028: =cut
1029:
1030: sub change_content_javascript {
1031: # If we're on Netscape 4, we need to use Layer-based code
1.258 albertel 1032: if ($env{'browser.type'} eq 'netscape' &&
1033: $env{'browser.version'} =~ /^4\./) {
1.256 matthew 1034: return (<<NETSCAPE4);
1035: function change(name, content) {
1036: doc = document.layers[name+"___escape"].layers[0].document;
1037: doc.open();
1038: doc.write(content);
1039: doc.close();
1040: }
1041: NETSCAPE4
1042: } else {
1043: # Otherwise, we need to use semi-standards-compliant code
1044: # (technically, "innerHTML" isn't standard but the equivalent
1045: # is really scary, and every useful browser supports it
1046: return (<<DOMBASED);
1047: function change(name, content) {
1048: element = document.getElementById(name);
1049: element.innerHTML = content;
1050: }
1051: DOMBASED
1052: }
1053: }
1054:
1055: =pod
1056:
1057: =item * changable_area($name, $origContent):
1058:
1059: This provides a "changable area" that can be modified on the fly via
1060: the Javascript code provided in C<change_content_javascript>. $name is
1061: the name you will use to reference the area later; do not repeat the
1062: same name on a given HTML page more then once. $origContent is what
1063: the area will originally contain, which can be left blank.
1064:
1065: =cut
1066:
1067: sub changable_area {
1068: my ($name, $origContent) = @_;
1069:
1.258 albertel 1070: if ($env{'browser.type'} eq 'netscape' &&
1071: $env{'browser.version'} =~ /^4\./) {
1.256 matthew 1072: # If this is netscape 4, we need to use the Layer tag
1073: return "<ilayer width='100%' id='${name}___escape' overflow='none'><layer width='100%' id='$name' overflow='none'>$origContent</layer></ilayer>";
1074: } else {
1075: return "<span id='$name'>$origContent</span>";
1076: }
1077: }
1078:
1079: =pod
1080:
1081: =back
1.542 raeburn 1082:
1.256 matthew 1083: =head1 Excel and CSV file utility routines
1084:
1085: =over 4
1086:
1087: =cut
1088:
1089: ###############################################################
1090: ###############################################################
1091:
1092: =pod
1093:
1.112 bowersj2 1094: =item * csv_translate($text)
1.37 matthew 1095:
1.185 www 1096: Translate $text to allow it to be output as a 'comma separated values'
1.37 matthew 1097: format.
1098:
1099: =cut
1100:
1.180 matthew 1101: ###############################################################
1102: ###############################################################
1.37 matthew 1103: sub csv_translate {
1104: my $text = shift;
1105: $text =~ s/\"/\"\"/g;
1.209 albertel 1106: $text =~ s/\n/ /g;
1.37 matthew 1107: return $text;
1108: }
1.180 matthew 1109:
1110: ###############################################################
1111: ###############################################################
1112:
1113: =pod
1114:
1115: =item * define_excel_formats
1116:
1117: Define some commonly used Excel cell formats.
1118:
1119: Currently supported formats:
1120:
1121: =over 4
1122:
1123: =item header
1124:
1125: =item bold
1126:
1127: =item h1
1128:
1129: =item h2
1130:
1131: =item h3
1132:
1.256 matthew 1133: =item h4
1134:
1135: =item i
1136:
1.180 matthew 1137: =item date
1138:
1139: =back
1140:
1141: Inputs: $workbook
1142:
1143: Returns: $format, a hash reference.
1144:
1145: =cut
1146:
1147: ###############################################################
1148: ###############################################################
1149: sub define_excel_formats {
1150: my ($workbook) = @_;
1151: my $format;
1152: $format->{'header'} = $workbook->add_format(bold => 1,
1153: bottom => 1,
1154: align => 'center');
1155: $format->{'bold'} = $workbook->add_format(bold=>1);
1156: $format->{'h1'} = $workbook->add_format(bold=>1, size=>18);
1157: $format->{'h2'} = $workbook->add_format(bold=>1, size=>16);
1158: $format->{'h3'} = $workbook->add_format(bold=>1, size=>14);
1.255 matthew 1159: $format->{'h4'} = $workbook->add_format(bold=>1, size=>12);
1.246 matthew 1160: $format->{'i'} = $workbook->add_format(italic=>1);
1.180 matthew 1161: $format->{'date'} = $workbook->add_format(num_format=>
1.207 matthew 1162: 'mm/dd/yyyy hh:mm:ss');
1.180 matthew 1163: return $format;
1164: }
1165:
1166: ###############################################################
1167: ###############################################################
1.113 bowersj2 1168:
1169: =pod
1170:
1.256 matthew 1171: =item * create_workbook
1.255 matthew 1172:
1173: Create an Excel worksheet. If it fails, output message on the
1174: request object and return undefs.
1175:
1176: Inputs: Apache request object
1177:
1178: Returns (undef) on failure,
1179: Excel worksheet object, scalar with filename, and formats
1180: from &Apache::loncommon::define_excel_formats on success
1181:
1182: =cut
1183:
1184: ###############################################################
1185: ###############################################################
1186: sub create_workbook {
1187: my ($r) = @_;
1188: #
1189: # Create the excel spreadsheet
1190: my $filename = '/prtspool/'.
1.258 albertel 1191: $env{'user.name'}.'_'.$env{'user.domain'}.'_'.
1.255 matthew 1192: time.'_'.rand(1000000000).'.xls';
1193: my $workbook = Spreadsheet::WriteExcel->new('/home/httpd'.$filename);
1194: if (! defined($workbook)) {
1195: $r->log_error("Error creating excel spreadsheet $filename: $!");
1196: $r->print('<p>'.&mt("Unable to create new Excel file. ".
1197: "This error has been logged. ".
1198: "Please alert your LON-CAPA administrator").
1199: '</p>');
1200: return (undef);
1201: }
1202: #
1203: $workbook->set_tempdir('/home/httpd/perl/tmp');
1204: #
1205: my $format = &Apache::loncommon::define_excel_formats($workbook);
1206: return ($workbook,$filename,$format);
1207: }
1208:
1209: ###############################################################
1210: ###############################################################
1211:
1212: =pod
1213:
1.256 matthew 1214: =item * create_text_file
1.113 bowersj2 1215:
1.542 raeburn 1216: Create a file to write to and eventually make available to the user.
1.256 matthew 1217: If file creation fails, outputs an error message on the request object and
1218: return undefs.
1.113 bowersj2 1219:
1.256 matthew 1220: Inputs: Apache request object, and file suffix
1.113 bowersj2 1221:
1.256 matthew 1222: Returns (undef) on failure,
1223: Filehandle and filename on success.
1.113 bowersj2 1224:
1225: =cut
1226:
1.256 matthew 1227: ###############################################################
1228: ###############################################################
1229: sub create_text_file {
1230: my ($r,$suffix) = @_;
1231: if (! defined($suffix)) { $suffix = 'txt'; };
1232: my $fh;
1233: my $filename = '/prtspool/'.
1.258 albertel 1234: $env{'user.name'}.'_'.$env{'user.domain'}.'_'.
1.256 matthew 1235: time.'_'.rand(1000000000).'.'.$suffix;
1236: $fh = Apache::File->new('>/home/httpd'.$filename);
1237: if (! defined($fh)) {
1238: $r->log_error("Couldn't open $filename for output $!");
1239: $r->print("Problems occured in creating the output file. ".
1240: "This error has been logged. ".
1241: "Please alert your LON-CAPA administrator.");
1.113 bowersj2 1242: }
1.256 matthew 1243: return ($fh,$filename)
1.113 bowersj2 1244: }
1245:
1246:
1.256 matthew 1247: =pod
1.113 bowersj2 1248:
1249: =back
1250:
1251: =cut
1.37 matthew 1252:
1253: ###############################################################
1.33 matthew 1254: ## Home server <option> list generating code ##
1255: ###############################################################
1.35 matthew 1256:
1.169 www 1257: # ------------------------------------------
1258:
1259: sub domain_select {
1260: my ($name,$value,$multiple)=@_;
1261: my %domains=map {
1.514 albertel 1262: $_ => $_.' '. &Apache::lonnet::domain($_,'description')
1.512 albertel 1263: } &Apache::lonnet::all_domains();
1.169 www 1264: if ($multiple) {
1265: $domains{''}=&mt('Any domain');
1.287 albertel 1266: return &multiple_select_form($name,$value,4,\%domains);
1.169 www 1267: } else {
1268: return &select_form($name,$value,%domains);
1269: }
1270: }
1271:
1.282 albertel 1272: #-------------------------------------------
1273:
1274: =pod
1275:
1.519 raeburn 1276: =head1 Routines for form select boxes
1277:
1278: =over 4
1279:
1280: =cut
1281:
1.287 albertel 1282: =item * multiple_select_form($name,$value,$size,$hash,$order)
1.282 albertel 1283:
1284: Returns a string containing a <select> element int multiple mode
1285:
1286:
1287: Args:
1288: $name - name of the <select> element
1.506 raeburn 1289: $value - scalar or array ref of values that should already be selected
1.282 albertel 1290: $size - number of rows long the select element is
1.283 albertel 1291: $hash - the elements should be 'option' => 'shown text'
1.282 albertel 1292: (shown text should already have been &mt())
1.506 raeburn 1293: $order - (optional) array ref of the order to show the elements in
1.283 albertel 1294:
1.282 albertel 1295: =cut
1296:
1297: #-------------------------------------------
1.169 www 1298: sub multiple_select_form {
1.284 albertel 1299: my ($name,$value,$size,$hash,$order)=@_;
1.169 www 1300: my %selected = map { $_ => 1 } ref($value)?@{$value}:($value);
1301: my $output='';
1.191 matthew 1302: if (! defined($size)) {
1303: $size = 4;
1.283 albertel 1304: if (scalar(keys(%$hash))<4) {
1305: $size = scalar(keys(%$hash));
1.191 matthew 1306: }
1307: }
1.169 www 1308: $output.="\n<select name='$name' size='$size' multiple='1'>";
1.501 banghart 1309: my @order;
1.506 raeburn 1310: if (ref($order) eq 'ARRAY') {
1311: @order = @{$order};
1312: } else {
1313: @order = sort(keys(%$hash));
1.501 banghart 1314: }
1315: if (exists($$hash{'select_form_order'})) {
1316: @order = @{$$hash{'select_form_order'}};
1317: }
1318:
1.284 albertel 1319: foreach my $key (@order) {
1.356 albertel 1320: $output.='<option value="'.&HTML::Entities::encode($key,'"<>&').'" ';
1.284 albertel 1321: $output.='selected="selected" ' if ($selected{$key});
1322: $output.='>'.$hash->{$key}."</option>\n";
1.169 www 1323: }
1324: $output.="</select>\n";
1325: return $output;
1326: }
1327:
1.88 www 1328: #-------------------------------------------
1329:
1330: =pod
1331:
1.112 bowersj2 1332: =item * select_form($defdom,$name,%hash)
1.88 www 1333:
1334: Returns a string containing a <select name='$name' size='1'> form to
1335: allow a user to select options from a hash option_name => displayed text.
1336: See lonrights.pm for an example invocation and use.
1337:
1338: =cut
1339:
1340: #-------------------------------------------
1341: sub select_form {
1342: my ($def,$name,%hash) = @_;
1343: my $selectform = "<select name=\"$name\" size=\"1\">\n";
1.128 albertel 1344: my @keys;
1345: if (exists($hash{'select_form_order'})) {
1346: @keys=@{$hash{'select_form_order'}};
1347: } else {
1348: @keys=sort(keys(%hash));
1349: }
1.356 albertel 1350: foreach my $key (@keys) {
1351: $selectform.=
1352: '<option value="'.&HTML::Entities::encode($key,'"<>&').'" '.
1353: ($key eq $def ? 'selected="selected" ' : '').
1354: ">".&mt($hash{$key})."</option>\n";
1.88 www 1355: }
1356: $selectform.="</select>";
1357: return $selectform;
1358: }
1359:
1.475 www 1360: # For display filters
1361:
1362: sub display_filter {
1363: if (!$env{'form.show'}) { $env{'form.show'}=10; }
1.477 www 1364: if (!$env{'form.displayfilter'}) { $env{'form.displayfilter'}='currentfolder'; }
1.475 www 1365: return '<nobr><label>'.&mt('Records [_1]',
1366: &Apache::lonmeta::selectbox('show',$env{'form.show'},undef,
1367: (&mt('all'),10,20,50,100,1000,10000))).
1.478 www 1368: '</label></nobr> <nobr>'.
1.475 www 1369: &mt('Filter [_1]',
1.477 www 1370: &select_form($env{'form.displayfilter'},
1371: 'displayfilter',
1372: ('currentfolder' => 'Current folder/page',
1373: 'containing' => 'Containing phrase',
1374: 'none' => 'None'))).
1.478 www 1375: '<input type="text" name="containingphrase" size="30" value="'.&HTML::Entities::encode($env{'form.containingphrase'}).'" /></nobr>';
1.475 www 1376: }
1377:
1.167 www 1378: sub gradeleveldescription {
1379: my $gradelevel=shift;
1380: my %gradelevels=(0 => 'Not specified',
1381: 1 => 'Grade 1',
1382: 2 => 'Grade 2',
1383: 3 => 'Grade 3',
1384: 4 => 'Grade 4',
1385: 5 => 'Grade 5',
1386: 6 => 'Grade 6',
1387: 7 => 'Grade 7',
1388: 8 => 'Grade 8',
1389: 9 => 'Grade 9',
1390: 10 => 'Grade 10',
1391: 11 => 'Grade 11',
1392: 12 => 'Grade 12',
1393: 13 => 'Grade 13',
1394: 14 => '100 Level',
1395: 15 => '200 Level',
1396: 16 => '300 Level',
1397: 17 => '400 Level',
1398: 18 => 'Graduate Level');
1399: return &mt($gradelevels{$gradelevel});
1400: }
1401:
1.163 www 1402: sub select_level_form {
1403: my ($deflevel,$name)=@_;
1404: unless ($deflevel) { $deflevel=0; }
1.167 www 1405: my $selectform = "<select name=\"$name\" size=\"1\">\n";
1406: for (my $i=0; $i<=18; $i++) {
1407: $selectform.="<option value=\"$i\" ".
1.253 albertel 1408: ($i==$deflevel ? 'selected="selected" ' : '').
1.167 www 1409: ">".&gradeleveldescription($i)."</option>\n";
1410: }
1411: $selectform.="</select>";
1412: return $selectform;
1.163 www 1413: }
1.167 www 1414:
1.35 matthew 1415: #-------------------------------------------
1416:
1.45 matthew 1417: =pod
1418:
1.112 bowersj2 1419: =item * select_dom_form($defdom,$name,$includeempty)
1.35 matthew 1420:
1421: Returns a string containing a <select name='$name' size='1'> form to
1422: allow a user to select the domain to preform an operation in.
1423: See loncreateuser.pm for an example invocation and use.
1424:
1.90 www 1425: If the $includeempty flag is set, it also includes an empty choice ("no domain
1426: selected");
1427:
1.35 matthew 1428: =cut
1429:
1430: #-------------------------------------------
1.34 matthew 1431: sub select_dom_form {
1.90 www 1432: my ($defdom,$name,$includeempty) = @_;
1.516 albertel 1433: my @domains = sort(&Apache::lonnet::all_domains());
1.90 www 1434: if ($includeempty) { @domains=('',@domains); }
1.34 matthew 1435: my $selectdomain = "<select name=\"$name\" size=\"1\">\n";
1.356 albertel 1436: foreach my $dom (@domains) {
1437: $selectdomain.="<option value=\"$dom\" ".
1438: ($dom eq $defdom ? 'selected="selected" ' : '').
1439: ">$dom</option>\n";
1.34 matthew 1440: }
1441: $selectdomain.="</select>";
1442: return $selectdomain;
1443: }
1444:
1.35 matthew 1445: #-------------------------------------------
1446:
1.45 matthew 1447: =pod
1448:
1.112 bowersj2 1449: =item * home_server_option_list($domain)
1.35 matthew 1450:
1451: returns a string which contains an <option> list to be used in a
1452: <select> form input. See loncreateuser.pm for an example.
1453:
1454: =cut
1455:
1456: #-------------------------------------------
1.33 matthew 1457: sub home_server_option_list {
1458: my $domain = shift;
1.513 albertel 1459: my %servers = &Apache::lonnet::get_servers($domain,'library');
1.33 matthew 1460: my $result = '';
1.356 albertel 1461: foreach my $hostid (sort(keys(%servers))) {
1.33 matthew 1462: $result.=
1.356 albertel 1463: '<option value="'.$hostid.'">'.
1464: $hostid.' '.$servers{$hostid}."</option>\n";
1.33 matthew 1465: }
1466: return $result;
1467: }
1.112 bowersj2 1468:
1469: =pod
1470:
1.534 albertel 1471: =back
1472:
1.112 bowersj2 1473: =cut
1.87 matthew 1474:
1475: ###############################################################
1.112 bowersj2 1476: ## Decoding User Agent ##
1.87 matthew 1477: ###############################################################
1478:
1479: =pod
1480:
1.112 bowersj2 1481: =head1 Decoding the User Agent
1482:
1483: =over 4
1484:
1485: =item * &decode_user_agent()
1.87 matthew 1486:
1487: Inputs: $r
1488:
1489: Outputs:
1490:
1491: =over 4
1492:
1.112 bowersj2 1493: =item * $httpbrowser
1.87 matthew 1494:
1.112 bowersj2 1495: =item * $clientbrowser
1.87 matthew 1496:
1.112 bowersj2 1497: =item * $clientversion
1.87 matthew 1498:
1.112 bowersj2 1499: =item * $clientmathml
1.87 matthew 1500:
1.112 bowersj2 1501: =item * $clientunicode
1.87 matthew 1502:
1.112 bowersj2 1503: =item * $clientos
1.87 matthew 1504:
1505: =back
1506:
1.157 matthew 1507: =back
1508:
1.87 matthew 1509: =cut
1510:
1511: ###############################################################
1512: ###############################################################
1513: sub decode_user_agent {
1.247 albertel 1514: my ($r)=@_;
1.87 matthew 1515: my @browsertype=split(/\&/,$Apache::lonnet::perlvar{"lonBrowsDet"});
1516: my %mathcap=split(/\&/,$$Apache::lonnet::perlvar{"lonMathML"});
1517: my $httpbrowser=$ENV{"HTTP_USER_AGENT"};
1.247 albertel 1518: if (!$httpbrowser && $r) { $httpbrowser=$r->header_in('User-Agent'); }
1.87 matthew 1519: my $clientbrowser='unknown';
1520: my $clientversion='0';
1521: my $clientmathml='';
1522: my $clientunicode='0';
1523: for (my $i=0;$i<=$#browsertype;$i++) {
1524: my ($bname,$match,$notmatch,$vreg,$minv,$univ)=split(/\:/,$browsertype[$i]);
1525: if (($httpbrowser=~/$match/i) && ($httpbrowser!~/$notmatch/i)) {
1526: $clientbrowser=$bname;
1527: $httpbrowser=~/$vreg/i;
1528: $clientversion=$1;
1529: $clientmathml=($clientversion>=$minv);
1530: $clientunicode=($clientversion>=$univ);
1531: }
1532: }
1533: my $clientos='unknown';
1534: if (($httpbrowser=~/linux/i) ||
1535: ($httpbrowser=~/unix/i) ||
1536: ($httpbrowser=~/ux/i) ||
1537: ($httpbrowser=~/solaris/i)) { $clientos='unix'; }
1538: if (($httpbrowser=~/vax/i) ||
1539: ($httpbrowser=~/vms/i)) { $clientos='vms'; }
1540: if ($httpbrowser=~/next/i) { $clientos='next'; }
1541: if (($httpbrowser=~/mac/i) ||
1542: ($httpbrowser=~/powerpc/i)) { $clientos='mac'; }
1543: if ($httpbrowser=~/win/i) { $clientos='win'; }
1544: if ($httpbrowser=~/embed/i) { $clientos='pda'; }
1545: return ($httpbrowser,$clientbrowser,$clientversion,$clientmathml,
1546: $clientunicode,$clientos,);
1547: }
1548:
1.32 matthew 1549: ###############################################################
1550: ## Authentication changing form generation subroutines ##
1551: ###############################################################
1552: ##
1553: ## All of the authform_xxxxxxx subroutines take their inputs in a
1554: ## hash, and have reasonable default values.
1555: ##
1556: ## formname = the name given in the <form> tag.
1.35 matthew 1557: #-------------------------------------------
1558:
1.45 matthew 1559: =pod
1560:
1.112 bowersj2 1561: =head1 Authentication Routines
1562:
1563: =over 4
1564:
1565: =item * authform_xxxxxx
1.35 matthew 1566:
1567: The authform_xxxxxx subroutines provide javascript and html forms which
1568: handle some of the conveniences required for authentication forms.
1569: This is not an optimal method, but it works.
1570:
1571: See loncreateuser.pm for invocation and use examples.
1572:
1573: =over 4
1574:
1.112 bowersj2 1575: =item * authform_header
1.35 matthew 1576:
1.112 bowersj2 1577: =item * authform_authorwarning
1.35 matthew 1578:
1.112 bowersj2 1579: =item * authform_nochange
1.35 matthew 1580:
1.112 bowersj2 1581: =item * authform_kerberos
1.35 matthew 1582:
1.112 bowersj2 1583: =item * authform_internal
1.35 matthew 1584:
1.112 bowersj2 1585: =item * authform_filesystem
1.35 matthew 1586:
1587: =back
1588:
1.157 matthew 1589: =back
1590:
1.35 matthew 1591: =cut
1592:
1593: #-------------------------------------------
1.32 matthew 1594: sub authform_header{
1595: my %in = (
1596: formname => 'cu',
1.80 albertel 1597: kerb_def_dom => '',
1.32 matthew 1598: @_,
1599: );
1600: $in{'formname'} = 'document.' . $in{'formname'};
1601: my $result='';
1.80 albertel 1602:
1603: #---------------------------------------------- Code for upper case translation
1604: my $Javascript_toUpperCase;
1605: unless ($in{kerb_def_dom}) {
1606: $Javascript_toUpperCase =<<"END";
1607: switch (choice) {
1608: case 'krb': currentform.elements[choicearg].value =
1609: currentform.elements[choicearg].value.toUpperCase();
1610: break;
1611: default:
1612: }
1613: END
1614: } else {
1615: $Javascript_toUpperCase = "";
1616: }
1617:
1.165 raeburn 1618: my $radioval = "'nochange'";
1.174 matthew 1619: if (exists($in{'curr_authtype'}) &&
1620: defined($in{'curr_authtype'}) &&
1621: $in{'curr_authtype'} ne '') {
1622: $radioval = "'$in{'curr_authtype'}arg'";
1623: }
1.165 raeburn 1624: my $argfield = 'null';
1625: if ( grep/^mode$/,(keys %in) ) {
1626: if ($in{'mode'} eq 'modifycourse') {
1627: if ( grep/^curr_authtype$/,(keys %in) ) {
1628: $radioval = "'$in{'curr_authtype'}'";
1629: }
1630: if ( grep/^curr_autharg$/,(keys %in) ) {
1631: unless ($in{'curr_autharg'} eq '') {
1632: $argfield = "'$in{'curr_autharg'}'";
1633: }
1634: }
1635: }
1636: }
1637:
1.32 matthew 1638: $result.=<<"END";
1639: var current = new Object();
1.165 raeburn 1640: current.radiovalue = $radioval;
1641: current.argfield = $argfield;
1.32 matthew 1642:
1643: function changed_radio(choice,currentform) {
1644: var choicearg = choice + 'arg';
1645: // If a radio button in changed, we need to change the argfield
1646: if (current.radiovalue != choice) {
1647: current.radiovalue = choice;
1648: if (current.argfield != null) {
1649: currentform.elements[current.argfield].value = '';
1650: }
1651: if (choice == 'nochange') {
1652: current.argfield = null;
1653: } else {
1654: current.argfield = choicearg;
1655: switch(choice) {
1656: case 'krb':
1657: currentform.elements[current.argfield].value =
1658: "$in{'kerb_def_dom'}";
1659: break;
1660: default:
1661: break;
1662: }
1663: }
1664: }
1665: return;
1666: }
1.22 www 1667:
1.32 matthew 1668: function changed_text(choice,currentform) {
1669: var choicearg = choice + 'arg';
1670: if (currentform.elements[choicearg].value !='') {
1.80 albertel 1671: $Javascript_toUpperCase
1.32 matthew 1672: // clear old field
1673: if ((current.argfield != choicearg) && (current.argfield != null)) {
1674: currentform.elements[current.argfield].value = '';
1675: }
1676: current.argfield = choicearg;
1677: }
1678: set_auth_radio_buttons(choice,currentform);
1679: return;
1.20 www 1680: }
1.32 matthew 1681:
1682: function set_auth_radio_buttons(newvalue,currentform) {
1683: var i=0;
1684: while (i < currentform.login.length) {
1685: if (currentform.login[i].value == newvalue) { break; }
1686: i++;
1687: }
1688: if (i == currentform.login.length) {
1689: return;
1690: }
1691: current.radiovalue = newvalue;
1692: currentform.login[i].checked = true;
1693: return;
1694: }
1695: END
1696: return $result;
1697: }
1698:
1699: sub authform_authorwarning{
1700: my $result='';
1.144 matthew 1701: $result='<i>'.
1702: &mt('As a general rule, only authors or co-authors should be '.
1703: 'filesystem authenticated '.
1704: '(which allows access to the server filesystem).')."</i>\n";
1.32 matthew 1705: return $result;
1706: }
1707:
1708: sub authform_nochange{
1709: my %in = (
1710: formname => 'document.cu',
1711: kerb_def_dom => 'MSU.EDU',
1712: @_,
1713: );
1.281 albertel 1714: my $result = '<label>'.&mt('[_1] Do not change login data',
1.144 matthew 1715: '<input type="radio" name="login" value="nochange" '.
1716: 'checked="checked" onclick="'.
1.281 albertel 1717: "javascript:changed_radio('nochange',$in{'formname'});".'" />').
1718: '</label>';
1.32 matthew 1719: return $result;
1720: }
1721:
1722: sub authform_kerberos{
1723: my %in = (
1724: formname => 'document.cu',
1725: kerb_def_dom => 'MSU.EDU',
1.80 albertel 1726: kerb_def_auth => 'krb4',
1.32 matthew 1727: @_,
1728: );
1.165 raeburn 1729: my ($check4,$check5,$krbarg);
1.80 albertel 1730: if ($in{'kerb_def_auth'} eq 'krb5') {
1731: $check5 = " checked=\"on\"";
1732: } else {
1733: $check4 = " checked=\"on\"";
1734: }
1.165 raeburn 1735: $krbarg = $in{'kerb_def_dom'};
1736:
1737: my $krbcheck = "";
1738: if ( grep/^curr_authtype$/,(keys %in) ) {
1739: if ($in{'curr_authtype'} =~ m/^krb/) {
1740: $krbcheck = " checked=\"on\"";
1741: if ( grep/^curr_autharg$/,(keys %in) ) {
1742: $krbarg = $in{'curr_autharg'};
1743: }
1744: }
1745: }
1746:
1.144 matthew 1747: my $jscall = "javascript:changed_radio('krb',$in{'formname'});";
1748: my $result .= &mt
1749: ('[_1] Kerberos authenticated with domain [_2] '.
1.281 albertel 1750: '[_3] Version 4 [_4] Version 5 [_5]',
1751: '<label><input type="radio" name="login" value="krb" '.
1.165 raeburn 1752: 'onclick="'.$jscall.'" onchange="'.$jscall.'"'.$krbcheck.' />',
1.281 albertel 1753: '</label><input type="text" size="10" name="krbarg" '.
1.165 raeburn 1754: 'value="'.$krbarg.'" '.
1.144 matthew 1755: 'onchange="'.$jscall.'" />',
1.281 albertel 1756: '<label><input type="radio" name="krbver" value="4" '.$check4.' />',
1757: '</label><label><input type="radio" name="krbver" value="5" '.$check5.' />',
1758: '</label>');
1.32 matthew 1759: return $result;
1760: }
1761:
1762: sub authform_internal{
1763: my %args = (
1764: formname => 'document.cu',
1765: kerb_def_dom => 'MSU.EDU',
1766: @_,
1767: );
1.165 raeburn 1768:
1769: my $intcheck = "";
1770: my $intarg = 'value=""';
1771: if ( grep/^curr_authtype$/,(keys %args) ) {
1772: if ($args{'curr_authtype'} eq 'int') {
1773: $intcheck = " checked=\"on\"";
1774: if ( grep/^curr_autharg$/,(keys %args) ) {
1775: $intarg = "value=\"$args{'curr_autharg'}\"";
1776: }
1777: }
1778: }
1779:
1.144 matthew 1780: my $jscall = "javascript:changed_radio('int',$args{'formname'});";
1781: my $result.=&mt
1782: ('[_1] Internally authenticated (with initial password [_2])',
1.281 albertel 1783: '<label><input type="radio" name="login" value="int" '.$intcheck.
1.165 raeburn 1784: ' onchange="'.$jscall.'" onclick="'.$jscall.'" />',
1.281 albertel 1785: '</label><input type="text" size="10" name="intarg" '.$intarg.
1.165 raeburn 1786: ' onchange="'.$jscall.'" />');
1.32 matthew 1787: return $result;
1788: }
1789:
1790: sub authform_local{
1791: my %in = (
1792: formname => 'document.cu',
1793: kerb_def_dom => 'MSU.EDU',
1794: @_,
1795: );
1.165 raeburn 1796:
1797: my $loccheck = "";
1798: my $locarg = 'value=""';
1799: if ( grep/^curr_authtype$/,(keys %in) ) {
1800: if ($in{'curr_authtype'} eq 'loc') {
1801: $loccheck = " checked=\"on\"";
1802: if ( grep/^curr_autharg$/,(keys %in) ) {
1803: $locarg = "value=\"$in{'curr_autharg'}\"";
1804: }
1805: }
1806: }
1807:
1.144 matthew 1808: my $jscall = "javascript:changed_radio('loc',$in{'formname'});";
1.160 matthew 1809: my $result.=&mt('[_1] Local Authentication with argument [_2]',
1.281 albertel 1810: '<label><input type="radio" name="login" value="loc" '.$loccheck.
1.165 raeburn 1811: ' onchange="'.$jscall.'" onclick="'.$jscall.'" />',
1.281 albertel 1812: '</label><input type="text" size="10" name="locarg" '.$locarg.
1.165 raeburn 1813: ' onchange="'.$jscall.'" />');
1.32 matthew 1814: return $result;
1815: }
1816:
1817: sub authform_filesystem{
1818: my %in = (
1819: formname => 'document.cu',
1820: kerb_def_dom => 'MSU.EDU',
1821: @_,
1822: );
1.144 matthew 1823: my $jscall = "javascript:changed_radio('fsys',$in{'formname'});";
1824: my $result.= &mt
1825: ('[_1] Filesystem Authenticated (with initial password [_2])',
1.281 albertel 1826: '<label><input type="radio" name="login" value="fsys" '.
1.144 matthew 1827: 'onchange="'.$jscall.'" onclick="'.$jscall.'" />',
1.281 albertel 1828: '</label><input type="text" size="10" name="fsysarg" value="" '.
1.144 matthew 1829: 'onchange="'.$jscall.'" />');
1.32 matthew 1830: return $result;
1831: }
1832:
1.80 albertel 1833: ###############################################################
1834: ## Get Authentication Defaults for Domain ##
1835: ###############################################################
1836:
1837: =pod
1838:
1.112 bowersj2 1839: =head1 Domains and Authentication
1840:
1841: Returns default authentication type and an associated argument as
1842: listed in file 'domain.tab'.
1843:
1844: =over 4
1845:
1846: =item * get_auth_defaults
1.80 albertel 1847:
1848: get_auth_defaults($target_domain) returns the default authentication
1849: type and an associated argument (initial password or a kerberos domain).
1850: These values are stored in lonTabs/domain.tab
1851:
1852: ($def_auth, $def_arg) = &get_auth_defaults($target_domain);
1853:
1854: If target_domain is not found in domain.tab, returns nothing ('').
1855:
1856: =cut
1857:
1858: #-------------------------------------------
1859: sub get_auth_defaults {
1860: my $domain=shift;
1.514 albertel 1861: return (&Apache::lonnet::domain($domain,'auth_def'),
1862: &Apache::lonnet::domain($domain,'auth_arg_def'));
1863:
1.80 albertel 1864: }
1865: ###############################################################
1866: ## End Get Authentication Defaults for Domain ##
1867: ###############################################################
1868:
1869: ###############################################################
1870: ## Get Kerberos Defaults for Domain ##
1871: ###############################################################
1872: ##
1873: ## Returns default kerberos version and an associated argument
1874: ## as listed in file domain.tab. If not listed, provides
1875: ## appropriate default domain and kerberos version.
1876: ##
1877: #-------------------------------------------
1878:
1879: =pod
1880:
1.112 bowersj2 1881: =item * get_kerberos_defaults
1.80 albertel 1882:
1883: get_kerberos_defaults($target_domain) returns the default kerberos
1884: version and domain. If not found in domain.tabs, it defaults to
1885: version 4 and the domain of the server.
1886:
1887: ($def_version, $def_krb_domain) = &get_kerberos_defaults($target_domain);
1888:
1889: =cut
1890:
1891: #-------------------------------------------
1892: sub get_kerberos_defaults {
1893: my $domain=shift;
1894: my ($krbdef,$krbdefdom) =
1895: &Apache::loncommon::get_auth_defaults($domain);
1896: unless ($krbdef =~/^krb/ && $krbdefdom) {
1897: $ENV{'SERVER_NAME'}=~/(\w+\.\w+)$/;
1898: my $krbdefdom=$1;
1899: $krbdefdom=~tr/a-z/A-Z/;
1900: $krbdef = "krb4";
1901: }
1902: return ($krbdef,$krbdefdom);
1903: }
1.112 bowersj2 1904:
1905: =pod
1906:
1907: =back
1908:
1909: =cut
1.32 matthew 1910:
1.46 matthew 1911: ###############################################################
1912: ## Thesaurus Functions ##
1913: ###############################################################
1.20 www 1914:
1.46 matthew 1915: =pod
1.20 www 1916:
1.112 bowersj2 1917: =head1 Thesaurus Functions
1918:
1919: =over 4
1920:
1921: =item * initialize_keywords
1.46 matthew 1922:
1923: Initializes the package variable %Keywords if it is empty. Uses the
1924: package variable $thesaurus_db_file.
1925:
1926: =cut
1927:
1928: ###################################################
1929:
1930: sub initialize_keywords {
1931: return 1 if (scalar keys(%Keywords));
1932: # If we are here, %Keywords is empty, so fill it up
1933: # Make sure the file we need exists...
1934: if (! -e $thesaurus_db_file) {
1935: &Apache::lonnet::logthis("Attempt to access $thesaurus_db_file".
1936: " failed because it does not exist");
1937: return 0;
1938: }
1939: # Set up the hash as a database
1940: my %thesaurus_db;
1941: if (! tie(%thesaurus_db,'GDBM_File',
1.53 albertel 1942: $thesaurus_db_file,&GDBM_READER(),0640)){
1.46 matthew 1943: &Apache::lonnet::logthis("Could not tie \%thesaurus_db to ".
1944: $thesaurus_db_file);
1945: return 0;
1946: }
1947: # Get the average number of appearances of a word.
1948: my $avecount = $thesaurus_db{'average.count'};
1949: # Put keywords (those that appear > average) into %Keywords
1950: while (my ($word,$data)=each (%thesaurus_db)) {
1951: my ($count,undef) = split /:/,$data;
1952: $Keywords{$word}++ if ($count > $avecount);
1953: }
1954: untie %thesaurus_db;
1955: # Remove special values from %Keywords.
1.356 albertel 1956: foreach my $value ('total.count','average.count') {
1957: delete($Keywords{$value}) if (exists($Keywords{$value}));
1.46 matthew 1958: }
1959: return 1;
1960: }
1961:
1962: ###################################################
1963:
1964: =pod
1965:
1.112 bowersj2 1966: =item * keyword($word)
1.46 matthew 1967:
1968: Returns true if $word is a keyword. A keyword is a word that appears more
1969: than the average number of times in the thesaurus database. Calls
1970: &initialize_keywords
1971:
1972: =cut
1973:
1974: ###################################################
1.20 www 1975:
1976: sub keyword {
1.46 matthew 1977: return if (!&initialize_keywords());
1978: my $word=lc(shift());
1979: $word=~s/\W//g;
1980: return exists($Keywords{$word});
1.20 www 1981: }
1.46 matthew 1982:
1983: ###############################################################
1984:
1985: =pod
1.20 www 1986:
1.112 bowersj2 1987: =item * get_related_words
1.46 matthew 1988:
1.160 matthew 1989: Look up a word in the thesaurus. Takes a scalar argument and returns
1.46 matthew 1990: an array of words. If the keyword is not in the thesaurus, an empty array
1991: will be returned. The order of the words returned is determined by the
1992: database which holds them.
1993:
1994: Uses global $thesaurus_db_file.
1995:
1996: =cut
1997:
1998: ###############################################################
1999: sub get_related_words {
2000: my $keyword = shift;
2001: my %thesaurus_db;
2002: if (! -e $thesaurus_db_file) {
2003: &Apache::lonnet::logthis("Attempt to access $thesaurus_db_file ".
2004: "failed because the file does not exist");
2005: return ();
2006: }
2007: if (! tie(%thesaurus_db,'GDBM_File',
1.53 albertel 2008: $thesaurus_db_file,&GDBM_READER(),0640)){
1.46 matthew 2009: return ();
2010: }
2011: my @Words=();
1.429 www 2012: my $count=0;
1.46 matthew 2013: if (exists($thesaurus_db{$keyword})) {
1.356 albertel 2014: # The first element is the number of times
2015: # the word appears. We do not need it now.
1.429 www 2016: my (undef,@RelatedWords) = (split(/:/,$thesaurus_db{$keyword}));
2017: my (undef,$mostfrequentcount)=split(/\,/,$RelatedWords[0]);
2018: my $threshold=$mostfrequentcount/10;
2019: foreach my $possibleword (@RelatedWords) {
2020: my ($word,$wordcount)=split(/\,/,$possibleword);
2021: if ($wordcount>$threshold) {
2022: push(@Words,$word);
2023: $count++;
2024: if ($count>10) { last; }
2025: }
1.20 www 2026: }
2027: }
1.46 matthew 2028: untie %thesaurus_db;
2029: return @Words;
1.14 harris41 2030: }
1.46 matthew 2031:
1.112 bowersj2 2032: =pod
2033:
2034: =back
2035:
2036: =cut
1.61 www 2037:
2038: # -------------------------------------------------------------- Plaintext name
1.81 albertel 2039: =pod
2040:
1.112 bowersj2 2041: =head1 User Name Functions
2042:
2043: =over 4
2044:
1.226 albertel 2045: =item * plainname($uname,$udom,$first)
1.81 albertel 2046:
1.112 bowersj2 2047: Takes a users logon name and returns it as a string in
1.226 albertel 2048: "first middle last generation" form
2049: if $first is set to 'lastname' then it returns it as
2050: 'lastname generation, firstname middlename' if their is a lastname
1.81 albertel 2051:
2052: =cut
1.61 www 2053:
1.295 www 2054:
1.81 albertel 2055: ###############################################################
1.61 www 2056: sub plainname {
1.226 albertel 2057: my ($uname,$udom,$first)=@_;
1.537 albertel 2058: return if (!defined($uname) || !defined($udom));
1.295 www 2059: my %names=&getnames($uname,$udom);
1.226 albertel 2060: my $name=&Apache::lonnet::format_name($names{'firstname'},
2061: $names{'middlename'},
2062: $names{'lastname'},
2063: $names{'generation'},$first);
2064: $name=~s/^\s+//;
1.62 www 2065: $name=~s/\s+$//;
2066: $name=~s/\s+/ /g;
1.353 albertel 2067: if ($name !~ /\S/) { $name=$uname.':'.$udom; }
1.62 www 2068: return $name;
1.61 www 2069: }
1.66 www 2070:
2071: # -------------------------------------------------------------------- Nickname
1.81 albertel 2072: =pod
2073:
1.112 bowersj2 2074: =item * nickname($uname,$udom)
1.81 albertel 2075:
2076: Gets a users name and returns it as a string as
2077:
2078: ""nickname""
1.66 www 2079:
1.81 albertel 2080: if the user has a nickname or
2081:
2082: "first middle last generation"
2083:
2084: if the user does not
2085:
2086: =cut
1.66 www 2087:
2088: sub nickname {
2089: my ($uname,$udom)=@_;
1.537 albertel 2090: return if (!defined($uname) || !defined($udom));
1.295 www 2091: my %names=&getnames($uname,$udom);
1.68 albertel 2092: my $name=$names{'nickname'};
1.66 www 2093: if ($name) {
2094: $name='"'.$name.'"';
2095: } else {
2096: $name=$names{'firstname'}.' '.$names{'middlename'}.' '.
2097: $names{'lastname'}.' '.$names{'generation'};
2098: $name=~s/\s+$//;
2099: $name=~s/\s+/ /g;
2100: }
2101: return $name;
2102: }
2103:
1.295 www 2104: sub getnames {
2105: my ($uname,$udom)=@_;
1.537 albertel 2106: return if (!defined($uname) || !defined($udom));
1.433 albertel 2107: if ($udom eq 'public' && $uname eq 'public') {
2108: return ('lastname' => &mt('Public'));
2109: }
1.295 www 2110: my $id=$uname.':'.$udom;
2111: my ($names,$cached)=&Apache::lonnet::is_cached_new('namescache',$id);
2112: if ($cached) {
2113: return %{$names};
2114: } else {
2115: my %loadnames=&Apache::lonnet::get('environment',
2116: ['firstname','middlename','lastname','generation','nickname'],
2117: $udom,$uname);
2118: &Apache::lonnet::do_cache_new('namescache',$id,\%loadnames);
2119: return %loadnames;
2120: }
2121: }
1.61 www 2122:
1.542 raeburn 2123: # -------------------------------------------------------------------- getemails
2124: =pod
2125:
2126: =item * getemails($uname,$udom)
2127:
2128: Gets a user's email information and returns it as a hash with keys:
2129: notification, critnotification, permanentemail
2130:
2131: For notification and critnotification, values are comma-separated lists
2132: of e-mail address(es); for permanentemail, value is a single e-mail address.
2133:
2134: =cut
2135:
1.466 albertel 2136: sub getemails {
2137: my ($uname,$udom)=@_;
2138: if ($udom eq 'public' && $uname eq 'public') {
2139: return;
2140: }
1.467 www 2141: if (!$udom) { $udom=$env{'user.domain'}; }
2142: if (!$uname) { $uname=$env{'user.name'}; }
1.466 albertel 2143: my $id=$uname.':'.$udom;
2144: my ($names,$cached)=&Apache::lonnet::is_cached_new('emailscache',$id);
2145: if ($cached) {
2146: return %{$names};
2147: } else {
2148: my %loadnames=&Apache::lonnet::get('environment',
2149: ['notification','critnotification',
2150: 'permanentemail'],
2151: $udom,$uname);
2152: &Apache::lonnet::do_cache_new('emailscache',$id,\%loadnames);
2153: return %loadnames;
2154: }
2155: }
2156:
1.61 www 2157: # ------------------------------------------------------------------ Screenname
1.81 albertel 2158:
2159: =pod
2160:
1.112 bowersj2 2161: =item * screenname($uname,$udom)
1.81 albertel 2162:
2163: Gets a users screenname and returns it as a string
2164:
2165: =cut
1.61 www 2166:
2167: sub screenname {
2168: my ($uname,$udom)=@_;
1.258 albertel 2169: if ($uname eq $env{'user.name'} &&
2170: $udom eq $env{'user.domain'}) {return $env{'environment.screenname'};}
1.212 albertel 2171: my %names=&Apache::lonnet::get('environment',['screenname'],$udom,$uname);
1.68 albertel 2172: return $names{'screenname'};
1.62 www 2173: }
2174:
1.212 albertel 2175:
1.62 www 2176: # ------------------------------------------------------------- Message Wrapper
2177:
2178: sub messagewrapper {
1.369 www 2179: my ($link,$username,$domain,$subject,$text)=@_;
1.62 www 2180: return
1.441 albertel 2181: '<a href="/adm/email?compose=individual&'.
2182: 'recname='.$username.'&recdom='.$domain.
2183: '&subject='.&escape($subject).'&text='.&escape($text).'" '.
1.200 matthew 2184: 'title="'.&mt('Send message').'">'.$link.'</a>';
1.74 www 2185: }
2186: # --------------------------------------------------------------- Notes Wrapper
2187:
2188: sub noteswrapper {
2189: my ($link,$un,$do)=@_;
2190: return
2191: "<a href='/adm/email?recordftf=retrieve&recname=$un&recdom=$do'>$link</a>";
1.62 www 2192: }
2193: # ------------------------------------------------------------- Aboutme Wrapper
2194:
2195: sub aboutmewrapper {
1.166 www 2196: my ($link,$username,$domain,$target)=@_;
1.447 raeburn 2197: if (!defined($username) && !defined($domain)) {
2198: return;
2199: }
1.205 www 2200: return '<a href="/adm/'.$domain.'/'.$username.'/aboutme"'.
1.454 banghart 2201: ($target?' target="$target"':'').' title="'.&mt("View this user's personal page").'">'.$link.'</a>';
1.62 www 2202: }
2203:
2204: # ------------------------------------------------------------ Syllabus Wrapper
2205:
2206:
2207: sub syllabuswrapper {
1.109 matthew 2208: my ($linktext,$coursedir,$domain,$fontcolor)=@_;
2209: if ($fontcolor) {
2210: $linktext='<font color="'.$fontcolor.'">'.$linktext.'</font>';
2211: }
1.208 matthew 2212: return qq{<a href="/public/$domain/$coursedir/syllabus">$linktext</a>};
1.61 www 2213: }
1.14 harris41 2214:
1.208 matthew 2215: sub track_student_link {
1.268 albertel 2216: my ($linktext,$sname,$sdom,$target,$start) = @_;
2217: my $link ="/adm/trackstudent?";
1.208 matthew 2218: my $title = 'View recent activity';
2219: if (defined($sname) && $sname !~ /^\s*$/ &&
2220: defined($sdom) && $sdom !~ /^\s*$/) {
1.268 albertel 2221: $link .= "selected_student=$sname:$sdom";
1.208 matthew 2222: $title .= ' of this student';
1.268 albertel 2223: }
1.208 matthew 2224: if (defined($target) && $target !~ /^\s*$/) {
2225: $target = qq{target="$target"};
2226: } else {
2227: $target = '';
2228: }
1.268 albertel 2229: if ($start) { $link.='&start='.$start; }
1.448 albertel 2230:
2231: return qq{<a href="$link" title="$title" $target>$linktext</a>}.
2232: &help_open_topic('View_recent_activity');
1.208 matthew 2233: }
2234:
1.508 www 2235: # ===================================================== Display a student photo
2236:
2237:
1.509 albertel 2238: sub student_image_tag {
1.508 www 2239: my ($domain,$user)=@_;
2240: my $imgsrc=&Apache::lonnet::studentphoto($domain,$user,'jpg');
2241: if (($imgsrc) && ($imgsrc ne '/adm/lonKaputt/lonlogo_broken.gif')) {
2242: return '<img src="'.$imgsrc.'" align="right" />';
2243: } else {
2244: return '';
2245: }
2246: }
2247:
1.112 bowersj2 2248: =pod
2249:
2250: =back
2251:
2252: =head1 Access .tab File Data
2253:
2254: =over 4
2255:
2256: =item * languageids()
2257:
2258: returns list of all language ids
2259:
2260: =cut
2261:
1.14 harris41 2262: sub languageids {
1.16 harris41 2263: return sort(keys(%language));
1.14 harris41 2264: }
2265:
1.112 bowersj2 2266: =pod
2267:
2268: =item * languagedescription()
2269:
2270: returns description of a specified language id
2271:
2272: =cut
2273:
1.14 harris41 2274: sub languagedescription {
1.125 www 2275: my $code=shift;
2276: return ($supported_language{$code}?'* ':'').
2277: $language{$code}.
1.126 www 2278: ($supported_language{$code}?' ('.&mt('interface available').')':'');
1.145 www 2279: }
2280:
2281: sub plainlanguagedescription {
2282: my $code=shift;
2283: return $language{$code};
2284: }
2285:
2286: sub supportedlanguagecode {
2287: my $code=shift;
2288: return $supported_language{$code};
1.97 www 2289: }
2290:
1.112 bowersj2 2291: =pod
2292:
2293: =item * copyrightids()
2294:
2295: returns list of all copyrights
2296:
2297: =cut
2298:
2299: sub copyrightids {
2300: return sort(keys(%cprtag));
2301: }
2302:
2303: =pod
2304:
2305: =item * copyrightdescription()
2306:
2307: returns description of a specified copyright id
2308:
2309: =cut
2310:
2311: sub copyrightdescription {
1.166 www 2312: return &mt($cprtag{shift(@_)});
1.112 bowersj2 2313: }
1.197 matthew 2314:
2315: =pod
2316:
1.192 taceyjo1 2317: =item * source_copyrightids()
2318:
2319: returns list of all source copyrights
2320:
2321: =cut
2322:
2323: sub source_copyrightids {
2324: return sort(keys(%scprtag));
2325: }
2326:
2327: =pod
2328:
2329: =item * source_copyrightdescription()
2330:
2331: returns description of a specified source copyright id
2332:
2333: =cut
2334:
2335: sub source_copyrightdescription {
2336: return &mt($scprtag{shift(@_)});
2337: }
1.112 bowersj2 2338:
2339: =pod
2340:
2341: =item * filecategories()
2342:
2343: returns list of all file categories
2344:
2345: =cut
2346:
2347: sub filecategories {
2348: return sort(keys(%category_extensions));
2349: }
2350:
2351: =pod
2352:
2353: =item * filecategorytypes()
2354:
2355: returns list of file types belonging to a given file
2356: category
2357:
2358: =cut
2359:
2360: sub filecategorytypes {
1.356 albertel 2361: my ($cat) = @_;
2362: return @{$category_extensions{lc($cat)}};
1.112 bowersj2 2363: }
2364:
2365: =pod
2366:
2367: =item * fileembstyle()
2368:
2369: returns embedding style for a specified file type
2370:
2371: =cut
2372:
2373: sub fileembstyle {
2374: return $fe{lc(shift(@_))};
1.169 www 2375: }
2376:
1.351 www 2377: sub filemimetype {
2378: return $fm{lc(shift(@_))};
2379: }
2380:
1.169 www 2381:
2382: sub filecategoryselect {
2383: my ($name,$value)=@_;
1.189 matthew 2384: return &select_form($value,$name,
1.169 www 2385: '' => &mt('Any category'),
2386: map { $_,$_ } sort(keys(%category_extensions)));
1.112 bowersj2 2387: }
2388:
2389: =pod
2390:
2391: =item * filedescription()
2392:
2393: returns description for a specified file type
2394:
2395: =cut
2396:
2397: sub filedescription {
1.188 matthew 2398: my $file_description = $fd{lc(shift())};
2399: $file_description =~ s:([\[\]]):~$1:g;
2400: return &mt($file_description);
1.112 bowersj2 2401: }
2402:
2403: =pod
2404:
2405: =item * filedescriptionex()
2406:
2407: returns description for a specified file type with
2408: extra formatting
2409:
2410: =cut
2411:
2412: sub filedescriptionex {
2413: my $ex=shift;
1.188 matthew 2414: my $file_description = $fd{lc($ex)};
2415: $file_description =~ s:([\[\]]):~$1:g;
2416: return '.'.$ex.' '.&mt($file_description);
1.112 bowersj2 2417: }
2418:
2419: # End of .tab access
2420: =pod
2421:
2422: =back
2423:
2424: =cut
2425:
2426: # ------------------------------------------------------------------ File Types
2427: sub fileextensions {
2428: return sort(keys(%fe));
2429: }
2430:
1.97 www 2431: # ----------------------------------------------------------- Display Languages
2432: # returns a hash with all desired display languages
2433: #
2434:
2435: sub display_languages {
2436: my %languages=();
1.356 albertel 2437: foreach my $lang (&preferred_languages()) {
2438: $languages{$lang}=1;
1.97 www 2439: }
2440: &get_unprocessed_cgi($ENV{'QUERY_STRING'},['displaylanguage']);
1.258 albertel 2441: if ($env{'form.displaylanguage'}) {
1.356 albertel 2442: foreach my $lang (split(/\s*(\,|\;|\:)\s*/,$env{'form.displaylanguage'})) {
2443: $languages{$lang}=1;
1.97 www 2444: }
2445: }
2446: return %languages;
1.14 harris41 2447: }
2448:
1.117 www 2449: sub preferred_languages {
2450: my @languages=();
1.258 albertel 2451: if ($env{'course.'.$env{'request.course.id'}.'.languages'}) {
1.117 www 2452: @languages=(@languages,split(/\s*(\,|\;|\:)\s*/,
1.258 albertel 2453: $env{'course.'.$env{'request.course.id'}.'.languages'}));
1.177 www 2454: }
1.258 albertel 2455: if ($env{'environment.languages'}) {
1.459 albertel 2456: @languages=(@languages,
2457: split(/\s*(\,|\;|\:)\s*/,$env{'environment.languages'}));
1.118 www 2458: }
1.162 www 2459: my $browser=(split(/\;/,$ENV{'HTTP_ACCEPT_LANGUAGE'}))[0];
2460: if ($browser) {
2461: @languages=(@languages,split(/\s*(\,|\;|\:)\s*/,$browser));
2462: }
1.514 albertel 2463: if (&Apache::lonnet::domain($env{'user.domain'},'lang_def')) {
1.118 www 2464: @languages=(@languages,
1.514 albertel 2465: &Apache::lonnet::domain($env{'user.domain'},
2466: 'lang_def'));
1.118 www 2467: }
1.514 albertel 2468: if (&Apache::lonnet::domain($env{'request.role.domain'},'lang_def')) {
1.118 www 2469: @languages=(@languages,
1.514 albertel 2470: &Apache::lonnet::domain($env{'request.role.domain'},
2471: 'lang_def'));
1.118 www 2472: }
1.514 albertel 2473: if (&Apache::lonnet::domain($Apache::lonnet::perlvar{'lonDefDomain'},
2474: 'lang_def')) {
1.118 www 2475: @languages=(@languages,
1.514 albertel 2476: &Apache::lonnet::domain($Apache::lonnet::perlvar{'lonDefDomain'},
2477: 'lang_def'));
1.118 www 2478: }
2479: # turn "en-ca" into "en-ca,en"
2480: my @genlanguages;
1.356 albertel 2481: foreach my $lang (@languages) {
2482: unless ($lang=~/\w/) { next; }
2483: push (@genlanguages,$lang);
2484: if ($lang=~/(\-|\_)/) {
2485: push(@genlanguages,(split(/(\-|\_)/,$lang))[0]);
1.118 www 2486: }
2487: }
2488: return @genlanguages;
1.117 www 2489: }
2490:
1.112 bowersj2 2491: ###############################################################
2492: ## Student Answer Attempts ##
2493: ###############################################################
2494:
2495: =pod
2496:
2497: =head1 Alternate Problem Views
2498:
2499: =over 4
2500:
2501: =item * get_previous_attempt($symb, $username, $domain, $course,
2502: $getattempt, $regexp, $gradesub)
2503:
2504: Return string with previous attempt on problem. Arguments:
2505:
2506: =over 4
2507:
2508: =item * $symb: Problem, including path
2509:
2510: =item * $username: username of the desired student
2511:
2512: =item * $domain: domain of the desired student
1.14 harris41 2513:
1.112 bowersj2 2514: =item * $course: Course ID
1.14 harris41 2515:
1.112 bowersj2 2516: =item * $getattempt: Leave blank for all attempts, otherwise put
2517: something
1.14 harris41 2518:
1.112 bowersj2 2519: =item * $regexp: if string matches this regexp, the string will be
2520: sent to $gradesub
1.14 harris41 2521:
1.112 bowersj2 2522: =item * $gradesub: routine that processes the string if it matches $regexp
1.14 harris41 2523:
1.112 bowersj2 2524: =back
1.14 harris41 2525:
1.112 bowersj2 2526: The output string is a table containing all desired attempts, if any.
1.16 harris41 2527:
1.112 bowersj2 2528: =cut
1.1 albertel 2529:
2530: sub get_previous_attempt {
1.43 ng 2531: my ($symb,$username,$domain,$course,$getattempt,$regexp,$gradesub)=@_;
1.1 albertel 2532: my $prevattempts='';
1.43 ng 2533: no strict 'refs';
1.1 albertel 2534: if ($symb) {
1.3 albertel 2535: my (%returnhash)=
2536: &Apache::lonnet::restore($symb,$course,$domain,$username);
1.1 albertel 2537: if ($returnhash{'version'}) {
2538: my %lasthash=();
2539: my $version;
2540: for ($version=1;$version<=$returnhash{'version'};$version++) {
1.356 albertel 2541: foreach my $key (sort(split(/\:/,$returnhash{$version.':keys'}))) {
2542: $lasthash{$key}=$returnhash{$version.':'.$key};
1.19 harris41 2543: }
1.1 albertel 2544: }
1.43 ng 2545: $prevattempts='<table border="0" width="100%"><tr><td bgcolor="#777777">';
1.40 ng 2546: $prevattempts.='<table border="0" width="100%"><tr bgcolor="#e6ffff"><td>History</td>';
1.356 albertel 2547: foreach my $key (sort(keys(%lasthash))) {
2548: my ($ign,@parts) = split(/\./,$key);
1.41 ng 2549: if ($#parts > 0) {
1.31 albertel 2550: my $data=$parts[-1];
2551: pop(@parts);
1.40 ng 2552: $prevattempts.='<td>Part '.join('.',@parts).'<br />'.$data.' </td>';
1.31 albertel 2553: } else {
1.41 ng 2554: if ($#parts == 0) {
2555: $prevattempts.='<th>'.$parts[0].'</th>';
2556: } else {
2557: $prevattempts.='<th>'.$ign.'</th>';
2558: }
1.31 albertel 2559: }
1.16 harris41 2560: }
1.40 ng 2561: if ($getattempt eq '') {
2562: for ($version=1;$version<=$returnhash{'version'};$version++) {
2563: $prevattempts.='</tr><tr bgcolor="#ffffe6"><td>Transaction '.$version.'</td>';
1.356 albertel 2564: foreach my $key (sort(keys(%lasthash))) {
1.40 ng 2565: my $value;
1.356 albertel 2566: if ($key =~ /timestamp/) {
2567: $value=scalar(localtime($returnhash{$version.':'.$key}));
1.40 ng 2568: } else {
1.356 albertel 2569: $value=$returnhash{$version.':'.$key};
1.40 ng 2570: }
1.369 www 2571: $prevattempts.='<td>'.&unescape($value).' </td>';
1.40 ng 2572: }
2573: }
1.1 albertel 2574: }
1.40 ng 2575: $prevattempts.='</tr><tr bgcolor="#ffffe6"><td>Current</td>';
1.356 albertel 2576: foreach my $key (sort(keys(%lasthash))) {
1.5 albertel 2577: my $value;
1.356 albertel 2578: if ($key =~ /timestamp/) {
2579: $value=scalar(localtime($lasthash{$key}));
1.5 albertel 2580: } else {
1.356 albertel 2581: $value=$lasthash{$key};
1.5 albertel 2582: }
1.369 www 2583: $value=&unescape($value);
1.356 albertel 2584: if ($key =~/$regexp$/ && (defined &$gradesub)) {$value = &$gradesub($value)}
1.40 ng 2585: $prevattempts.='<td>'.$value.' </td>';
1.16 harris41 2586: }
1.40 ng 2587: $prevattempts.='</tr></table></td></tr></table>';
1.1 albertel 2588: } else {
2589: $prevattempts='Nothing submitted - no attempts.';
2590: }
2591: } else {
2592: $prevattempts='No data.';
2593: }
1.10 albertel 2594: }
2595:
1.107 albertel 2596: sub relative_to_absolute {
2597: my ($url,$output)=@_;
2598: my $parser=HTML::TokeParser->new(\$output);
2599: my $token;
2600: my $thisdir=$url;
2601: my @rlinks=();
2602: while ($token=$parser->get_token) {
2603: if ($token->[0] eq 'S') {
2604: if ($token->[1] eq 'a') {
2605: if ($token->[2]->{'href'}) {
2606: $rlinks[$#rlinks+1]=$token->[2]->{'href'};
2607: }
2608: } elsif ($token->[1] eq 'img' || $token->[1] eq 'embed' ) {
2609: $rlinks[$#rlinks+1]=$token->[2]->{'src'};
2610: } elsif ($token->[1] eq 'base') {
2611: $thisdir=$token->[2]->{'href'};
2612: }
2613: }
2614: }
2615: $thisdir=~s-/[^/]*$--;
1.356 albertel 2616: foreach my $link (@rlinks) {
2617: unless (($link=~/^http:\/\//i) ||
2618: ($link=~/^\//) ||
2619: ($link=~/^javascript:/i) ||
2620: ($link=~/^mailto:/i) ||
2621: ($link=~/^\#/)) {
2622: my $newlocation=&Apache::lonnet::hreflocation($thisdir,$link);
2623: $output=~s/(\"|\'|\=\s*)\Q$link\E(\"|\'|\s|\>)/$1$newlocation$2/;
1.107 albertel 2624: }
2625: }
2626: # -------------------------------------------------- Deal with Applet codebases
2627: $output=~s/(\<applet[^\>]+)(codebase\=[^\S\>]+)*([^\>]*)\>/$1.($2?$2:' codebase="'.$thisdir.'"').$3.'>'/gei;
2628: return $output;
2629: }
2630:
1.112 bowersj2 2631: =pod
2632:
2633: =item * get_student_view
2634:
2635: show a snapshot of what student was looking at
2636:
2637: =cut
2638:
1.10 albertel 2639: sub get_student_view {
1.186 albertel 2640: my ($symb,$username,$domain,$courseid,$target,$moreenv) = @_;
1.114 www 2641: my ($map,$id,$feedurl) = &Apache::lonnet::decode_symb($symb);
1.186 albertel 2642: my (%form);
1.10 albertel 2643: my @elements=('symb','courseid','domain','username');
2644: foreach my $element (@elements) {
1.186 albertel 2645: $form{'grade_'.$element}=eval '$'.$element #'
1.10 albertel 2646: }
1.186 albertel 2647: if (defined($moreenv)) {
2648: %form=(%form,%{$moreenv});
2649: }
1.236 albertel 2650: if (defined($target)) { $form{'grade_target'} = $target; }
1.107 albertel 2651: $feedurl=&Apache::lonnet::clutter($feedurl);
1.186 albertel 2652: my $userview=&Apache::lonnet::ssi_body($feedurl,%form);
1.11 albertel 2653: $userview=~s/\<body[^\>]*\>//gi;
2654: $userview=~s/\<\/body\>//gi;
2655: $userview=~s/\<html\>//gi;
2656: $userview=~s/\<\/html\>//gi;
2657: $userview=~s/\<head\>//gi;
2658: $userview=~s/\<\/head\>//gi;
2659: $userview=~s/action\s*\=/would_be_action\=/gi;
1.107 albertel 2660: $userview=&relative_to_absolute($feedurl,$userview);
1.11 albertel 2661: return $userview;
2662: }
2663:
1.112 bowersj2 2664: =pod
2665:
2666: =item * get_student_answers()
2667:
2668: show a snapshot of how student was answering problem
2669:
2670: =cut
2671:
1.11 albertel 2672: sub get_student_answers {
1.100 sakharuk 2673: my ($symb,$username,$domain,$courseid,%form) = @_;
1.114 www 2674: my ($map,$id,$feedurl) = &Apache::lonnet::decode_symb($symb);
1.186 albertel 2675: my (%moreenv);
1.11 albertel 2676: my @elements=('symb','courseid','domain','username');
2677: foreach my $element (@elements) {
1.186 albertel 2678: $moreenv{'grade_'.$element}=eval '$'.$element #'
1.10 albertel 2679: }
1.186 albertel 2680: $moreenv{'grade_target'}='answer';
2681: %moreenv=(%form,%moreenv);
1.497 raeburn 2682: $feedurl = &Apache::lonnet::clutter($feedurl);
2683: my $userview=&Apache::lonnet::ssi($feedurl,%moreenv);
1.10 albertel 2684: return $userview;
1.1 albertel 2685: }
1.116 albertel 2686:
2687: =pod
2688:
2689: =item * &submlink()
2690:
1.242 albertel 2691: Inputs: $text $uname $udom $symb $target
1.116 albertel 2692:
2693: Returns: A link to grades.pm such as to see the SUBM view of a student
2694:
2695: =cut
2696:
2697: ###############################################
2698: sub submlink {
1.242 albertel 2699: my ($text,$uname,$udom,$symb,$target)=@_;
1.116 albertel 2700: if (!($uname && $udom)) {
2701: (my $cursymb, my $courseid,$udom,$uname)=
1.463 albertel 2702: &Apache::lonnet::whichuser($symb);
1.116 albertel 2703: if (!$symb) { $symb=$cursymb; }
2704: }
1.254 matthew 2705: if (!$symb) { $symb=&Apache::lonnet::symbread(); }
1.369 www 2706: $symb=&escape($symb);
1.242 albertel 2707: if ($target) { $target="target=\"$target\""; }
2708: return '<a href="/adm/grades?&command=submission&'.
2709: 'symb='.$symb.'&student='.$uname.
2710: '&userdom='.$udom.'" '.$target.'>'.$text.'</a>';
2711: }
2712: ##############################################
2713:
2714: =pod
2715:
2716: =item * &pgrdlink()
2717:
2718: Inputs: $text $uname $udom $symb $target
2719:
2720: Returns: A link to grades.pm such as to see the PGRD view of a student
2721:
2722: =cut
2723:
2724: ###############################################
2725: sub pgrdlink {
2726: my $link=&submlink(@_);
2727: $link=~s/(&command=submission)/$1&showgrading=yes/;
2728: return $link;
2729: }
2730: ##############################################
2731:
2732: =pod
2733:
2734: =item * &pprmlink()
2735:
2736: Inputs: $text $uname $udom $symb $target
2737:
2738: Returns: A link to parmset.pm such as to see the PPRM view of a
1.283 albertel 2739: student and a specific resource
1.242 albertel 2740:
2741: =cut
2742:
2743: ###############################################
2744: sub pprmlink {
2745: my ($text,$uname,$udom,$symb,$target)=@_;
2746: if (!($uname && $udom)) {
2747: (my $cursymb, my $courseid,$udom,$uname)=
1.463 albertel 2748: &Apache::lonnet::whichuser($symb);
1.242 albertel 2749: if (!$symb) { $symb=$cursymb; }
2750: }
1.254 matthew 2751: if (!$symb) { $symb=&Apache::lonnet::symbread(); }
1.369 www 2752: $symb=&escape($symb);
1.242 albertel 2753: if ($target) { $target="target=\"$target\""; }
2754: return '<a href="/adm/parmset?&command=set&'.
2755: 'symb='.$symb.'&uname='.$uname.
2756: '&udom='.$udom.'" '.$target.'>'.$text.'</a>';
1.116 albertel 2757: }
2758: ##############################################
1.37 matthew 2759:
1.112 bowersj2 2760: =pod
2761:
2762: =back
2763:
2764: =cut
2765:
1.37 matthew 2766: ###############################################
1.51 www 2767:
2768:
2769: sub timehash {
2770: my @ltime=localtime(shift);
2771: return ( 'seconds' => $ltime[0],
2772: 'minutes' => $ltime[1],
2773: 'hours' => $ltime[2],
2774: 'day' => $ltime[3],
2775: 'month' => $ltime[4]+1,
2776: 'year' => $ltime[5]+1900,
2777: 'weekday' => $ltime[6],
2778: 'dayyear' => $ltime[7]+1,
2779: 'dlsav' => $ltime[8] );
2780: }
2781:
1.370 www 2782: sub utc_string {
2783: my ($date)=@_;
1.371 www 2784: return strftime("%Y%m%dT%H%M%SZ",gmtime($date));
1.370 www 2785: }
2786:
1.51 www 2787: sub maketime {
2788: my %th=@_;
2789: return POSIX::mktime(
2790: ($th{'seconds'},$th{'minutes'},$th{'hours'},
1.210 www 2791: $th{'day'},$th{'month'}-1,$th{'year'}-1900,0,0,-1));
1.70 www 2792: }
2793:
2794: #########################################
1.51 www 2795:
2796: sub findallcourses {
1.482 raeburn 2797: my ($roles,$uname,$udom) = @_;
1.355 albertel 2798: my %roles;
2799: if (ref($roles)) { %roles = map { $_ => 1 } @{$roles}; }
1.348 albertel 2800: my %courses;
1.51 www 2801: my $now=time;
1.482 raeburn 2802: if (!defined($uname)) {
2803: $uname = $env{'user.name'};
2804: }
2805: if (!defined($udom)) {
2806: $udom = $env{'user.domain'};
2807: }
2808: if (($uname ne $env{'user.name'}) || ($udom ne $env{'user.domain'})) {
2809: my %roleshash = &Apache::lonnet::dump('roles',$udom,$uname);
2810: if (!%roles) {
2811: %roles = (
2812: cc => 1,
2813: in => 1,
2814: ep => 1,
2815: ta => 1,
2816: cr => 1,
2817: st => 1,
2818: );
2819: }
2820: foreach my $entry (keys(%roleshash)) {
2821: my ($trole,$tend,$tstart) = split(/_/,$roleshash{$entry});
2822: if ($trole =~ /^cr/) {
2823: next if (!exists($roles{$trole}) && !exists($roles{'cr'}));
2824: } else {
2825: next if (!exists($roles{$trole}));
2826: }
2827: if ($tend) {
2828: next if ($tend < $now);
2829: }
2830: if ($tstart) {
2831: next if ($tstart > $now);
2832: }
2833: my ($cdom,$cnum,$sec,$cnumpart,$secpart,$role,$realsec);
2834: (undef,$cdom,$cnumpart,$secpart) = split(/\//,$entry);
2835: if ($secpart eq '') {
2836: ($cnum,$role) = split(/_/,$cnumpart);
2837: $sec = 'none';
2838: $realsec = '';
2839: } else {
2840: $cnum = $cnumpart;
2841: ($sec,$role) = split(/_/,$secpart);
2842: $realsec = $sec;
1.490 raeburn 2843: }
1.482 raeburn 2844: $courses{$cdom.'_'.$cnum}{$sec} = $trole.'/'.$cdom.'/'.$cnum.'/'.$realsec;
2845: }
2846: } else {
2847: foreach my $key (keys(%env)) {
1.483 albertel 2848: if ( $key=~m{^user\.role\.(\w+)\./($match_domain)/($match_courseid)/?(\w*)$} ||
2849: $key=~m{^user\.role\.(cr/$match_domain/$match_username/\w+)\./($match_domain)/($match_courseid)/?(\w*)$}) {
1.482 raeburn 2850: my ($role,$cdom,$cnum,$sec) = ($1,$2,$3,$4);
2851: next if ($role eq 'ca' || $role eq 'aa');
2852: next if (%roles && !exists($roles{$role}));
2853: my ($starttime,$endtime)=split(/\./,$env{$key});
2854: my $active=1;
2855: if ($starttime) {
2856: if ($now<$starttime) { $active=0; }
2857: }
2858: if ($endtime) {
2859: if ($now>$endtime) { $active=0; }
2860: }
2861: if ($active) {
2862: if ($sec eq '') {
2863: $sec = 'none';
2864: }
2865: $courses{$cdom.'_'.$cnum}{$sec} =
2866: $role.'/'.$cdom.'/'.$cnum.'/'.$sec;
1.474 raeburn 2867: }
2868: }
1.51 www 2869: }
2870: }
1.474 raeburn 2871: return %courses;
1.51 www 2872: }
1.37 matthew 2873:
1.54 www 2874: ###############################################
1.474 raeburn 2875:
2876: sub blockcheck {
1.482 raeburn 2877: my ($setters,$activity,$uname,$udom) = @_;
1.490 raeburn 2878:
2879: if (!defined($udom)) {
2880: $udom = $env{'user.domain'};
2881: }
2882: if (!defined($uname)) {
2883: $uname = $env{'user.name'};
2884: }
2885:
2886: # If uname and udom are for a course, check for blocks in the course.
2887:
2888: if (&Apache::lonnet::is_course($udom,$uname)) {
2889: my %records = &Apache::lonnet::dump('comm_block',$udom,$uname);
1.502 raeburn 2890: my ($startblock,$endblock)=&get_blocks($setters,$activity,$udom,$uname);
1.490 raeburn 2891: return ($startblock,$endblock);
2892: }
1.474 raeburn 2893:
1.502 raeburn 2894: my $startblock = 0;
2895: my $endblock = 0;
1.482 raeburn 2896: my %live_courses = &findallcourses(undef,$uname,$udom);
1.474 raeburn 2897:
1.490 raeburn 2898: # If uname is for a user, and activity is course-specific, i.e.,
2899: # boards, chat or groups, check for blocking in current course only.
1.474 raeburn 2900:
1.490 raeburn 2901: if (($activity eq 'boards' || $activity eq 'chat' ||
2902: $activity eq 'groups') && ($env{'request.course.id'})) {
2903: foreach my $key (keys(%live_courses)) {
2904: if ($key ne $env{'request.course.id'}) {
2905: delete($live_courses{$key});
2906: }
2907: }
2908: }
2909:
2910: my $otheruser = 0;
2911: my %own_courses;
2912: if ((($uname ne $env{'user.name'})) || ($udom ne $env{'user.domain'})) {
2913: # Resource belongs to user other than current user.
2914: $otheruser = 1;
2915: # Gather courses for current user
2916: %own_courses =
2917: &findallcourses(undef,$env{'user.name'},$env{'user.domain'});
2918: }
2919:
2920: # Gather active course roles - course coordinator, instructor,
2921: # exam proctor, ta, student, or custom role.
1.474 raeburn 2922:
2923: foreach my $course (keys(%live_courses)) {
1.482 raeburn 2924: my ($cdom,$cnum);
2925: if ((defined($env{'course.'.$course.'.domain'})) && (defined($env{'course.'.$course.'.num'}))) {
2926: $cdom = $env{'course.'.$course.'.domain'};
2927: $cnum = $env{'course.'.$course.'.num'};
2928: } else {
1.490 raeburn 2929: ($cdom,$cnum) = split(/_/,$course);
1.482 raeburn 2930: }
2931: my $no_ownblock = 0;
2932: my $no_userblock = 0;
1.533 raeburn 2933: if ($otheruser && $activity ne 'com') {
1.490 raeburn 2934: # Check if current user has 'evb' priv for this
2935: if (defined($own_courses{$course})) {
2936: foreach my $sec (keys(%{$own_courses{$course}})) {
2937: my $checkrole = 'cm./'.$cdom.'/'.$cnum;
2938: if ($sec ne 'none') {
2939: $checkrole .= '/'.$sec;
2940: }
2941: if (&Apache::lonnet::allowed('evb',undef,undef,$checkrole)) {
2942: $no_ownblock = 1;
2943: last;
2944: }
2945: }
2946: }
2947: # if they have 'evb' priv and are currently not playing student
2948: next if (($no_ownblock) &&
2949: ($env{'request.role'} !~ m{^st\./$cdom/$cnum}));
2950: }
1.474 raeburn 2951: foreach my $sec (keys(%{$live_courses{$course}})) {
1.482 raeburn 2952: my $checkrole = 'cm./'.$cdom.'/'.$cnum;
1.474 raeburn 2953: if ($sec ne 'none') {
1.482 raeburn 2954: $checkrole .= '/'.$sec;
1.474 raeburn 2955: }
1.490 raeburn 2956: if ($otheruser) {
2957: # Resource belongs to user other than current user.
2958: # Assemble privs for that user, and check for 'evb' priv.
1.482 raeburn 2959: my ($trole,$tdom,$tnum,$tsec);
2960: my $entry = $live_courses{$course}{$sec};
2961: if ($entry =~ /^cr/) {
2962: ($trole,$tdom,$tnum,$tsec) =
2963: ($entry =~ m|^(cr/$match_domain/$match_username/\w+)\./($match_domain)/($match_username)/?(\w*)$|);
2964: } else {
2965: ($trole,$tdom,$tnum,$tsec) = split(/\//,$entry);
2966: }
2967: my ($spec,$area,$trest,%allroles,%userroles);
2968: $area = '/'.$tdom.'/'.$tnum;
2969: $trest = $tnum;
2970: if ($tsec ne '') {
2971: $area .= '/'.$tsec;
2972: $trest .= '/'.$tsec;
2973: }
2974: $spec = $trole.'.'.$area;
2975: if ($trole =~ /^cr/) {
2976: &Apache::lonnet::custom_roleprivs(\%allroles,$trole,
2977: $tdom,$spec,$trest,$area);
2978: } else {
2979: &Apache::lonnet::standard_roleprivs(\%allroles,$trole,
2980: $tdom,$spec,$trest,$area);
2981: }
2982: my ($author,$adv) = &Apache::lonnet::set_userprivs(\%userroles,\%allroles);
1.486 raeburn 2983: if ($userroles{'user.priv.'.$checkrole} =~ /evb\&([^\:]*)/) {
2984: if ($1) {
2985: $no_userblock = 1;
2986: last;
2987: }
2988: }
1.490 raeburn 2989: } else {
2990: # Resource belongs to current user
2991: # Check for 'evb' priv via lonnet::allowed().
1.482 raeburn 2992: if (&Apache::lonnet::allowed('evb',undef,undef,$checkrole)) {
2993: $no_ownblock = 1;
2994: last;
2995: }
1.474 raeburn 2996: }
2997: }
2998: # if they have the evb priv and are currently not playing student
1.482 raeburn 2999: next if (($no_ownblock) &&
1.491 albertel 3000: ($env{'request.role'} !~ m{^st\./\Q$cdom\E/\Q$cnum\E}));
1.482 raeburn 3001: next if ($no_userblock);
1.474 raeburn 3002:
1.490 raeburn 3003: # Retrieve blocking times and identity of blocker for course
3004: # of specified user, unless user has 'evb' privilege.
1.502 raeburn 3005:
3006: my ($start,$end)=&get_blocks($setters,$activity,$cdom,$cnum);
3007: if (($start != 0) &&
3008: (($startblock == 0) || ($startblock > $start))) {
3009: $startblock = $start;
3010: }
3011: if (($end != 0) &&
3012: (($endblock == 0) || ($endblock < $end))) {
3013: $endblock = $end;
3014: }
1.490 raeburn 3015: }
3016: return ($startblock,$endblock);
3017: }
3018:
3019: sub get_blocks {
3020: my ($setters,$activity,$cdom,$cnum) = @_;
3021: my $startblock = 0;
3022: my $endblock = 0;
3023: my $course = $cdom.'_'.$cnum;
3024: $setters->{$course} = {};
3025: $setters->{$course}{'staff'} = [];
3026: $setters->{$course}{'times'} = [];
3027: my %records = &Apache::lonnet::dump('comm_block',$cdom,$cnum);
3028: foreach my $record (keys(%records)) {
3029: my ($start,$end) = ($record =~ m/^(\d+)____(\d+)$/);
3030: if ($start <= time && $end >= time) {
3031: my ($staff_name,$staff_dom,$title,$blocks) =
3032: &parse_block_record($records{$record});
3033: if ($blocks->{$activity} eq 'on') {
3034: push(@{$$setters{$course}{'staff'}},[$staff_name,$staff_dom]);
3035: push(@{$$setters{$course}{'times'}}, [$start,$end]);
1.491 albertel 3036: if ( ($startblock == 0) || ($startblock > $start) ) {
3037: $startblock = $start;
1.490 raeburn 3038: }
1.491 albertel 3039: if ( ($endblock == 0) || ($endblock < $end) ) {
3040: $endblock = $end;
1.474 raeburn 3041: }
3042: }
3043: }
3044: }
3045: return ($startblock,$endblock);
3046: }
3047:
3048: sub parse_block_record {
3049: my ($record) = @_;
3050: my ($setuname,$setudom,$title,$blocks);
3051: if (ref($record) eq 'HASH') {
3052: ($setuname,$setudom) = split(/:/,$record->{'setter'});
3053: $title = &unescape($record->{'event'});
3054: $blocks = $record->{'blocks'};
3055: } else {
3056: my @data = split(/:/,$record,3);
3057: if (scalar(@data) eq 2) {
3058: $title = $data[1];
3059: ($setuname,$setudom) = split(/@/,$data[0]);
3060: } else {
3061: ($setuname,$setudom,$title) = @data;
3062: }
3063: $blocks = { 'com' => 'on' };
3064: }
3065: return ($setuname,$setudom,$title,$blocks);
3066: }
3067:
3068: sub build_block_table {
3069: my ($startblock,$endblock,$setters) = @_;
3070: my %lt = &Apache::lonlocal::texthash(
3071: 'cacb' => 'Currently active communication blocks',
3072: 'cour' => 'Course',
3073: 'dura' => 'Duration',
3074: 'blse' => 'Block set by'
3075: );
3076: my $output;
1.476 raeburn 3077: $output = '<br />'.$lt{'cacb'}.':<br />';
1.474 raeburn 3078: $output .= &start_data_table();
3079: $output .= '
3080: <tr>
3081: <th>'.$lt{'cour'}.'</th>
3082: <th>'.$lt{'dura'}.'</th>
3083: <th>'.$lt{'blse'}.'</th>
3084: </tr>
3085: ';
3086: foreach my $course (keys(%{$setters})) {
3087: my %courseinfo=&Apache::lonnet::coursedescription($course);
3088: for (my $i=0; $i<@{$$setters{$course}{staff}}; $i++) {
3089: my ($uname,$udom) = @{$$setters{$course}{staff}[$i]};
1.490 raeburn 3090: my $fullname = &plainname($uname,$udom);
3091: if (defined($env{'user.name'}) && defined($env{'user.domain'})
3092: && $env{'user.name'} ne 'public'
3093: && $env{'user.domain'} ne 'public') {
3094: $fullname = &aboutmewrapper($fullname,$uname,$udom);
3095: }
1.474 raeburn 3096: my ($openblock,$closeblock) = @{$$setters{$course}{times}[$i]};
3097: $openblock = &Apache::lonlocal::locallocaltime($openblock);
3098: $closeblock= &Apache::lonlocal::locallocaltime($closeblock);
3099: $output .= &Apache::loncommon::start_data_table_row().
3100: '<td>'.$courseinfo{'description'}.'</td>'.
3101: '<td>'.$openblock.' to '.$closeblock.'</td>'.
1.490 raeburn 3102: '<td>'.$fullname.'</td>'.
1.474 raeburn 3103: &Apache::loncommon::end_data_table_row();
3104: }
3105: }
3106: $output .= &end_data_table();
3107: }
3108:
1.490 raeburn 3109: sub blocking_status {
3110: my ($activity,$uname,$udom) = @_;
3111: my %setters;
3112: my ($blocked,$output,$ownitem,$is_course);
3113: my ($startblock,$endblock)=&blockcheck(\%setters,$activity,$uname,$udom);
3114: if ($startblock && $endblock) {
3115: $blocked = 1;
3116: if (wantarray) {
3117: my $category;
3118: if ($activity eq 'boards') {
3119: $category = 'Discussion posts in this course';
3120: } elsif ($activity eq 'blogs') {
3121: $category = 'Blogs';
3122: } elsif ($activity eq 'port') {
3123: if (defined($uname) && defined($udom)) {
3124: if ($uname eq $env{'user.name'} &&
3125: $udom eq $env{'user.domain'}) {
3126: $ownitem = 1;
3127: }
3128: }
3129: $is_course = &Apache::lonnet::is_course($udom,$uname);
3130: if ($ownitem) {
3131: $category = 'Your portfolio files';
3132: } elsif ($is_course) {
3133: my $coursedesc;
3134: foreach my $course (keys(%setters)) {
3135: my %courseinfo =
3136: &Apache::lonnet::coursedescription($course);
3137: $coursedesc = $courseinfo{'description'};
3138: }
3139: $category = "Group files in the course '$coursedesc'";
3140: } else {
3141: $category = 'Portfolio files belonging to ';
3142: if ($env{'user.name'} eq 'public' &&
3143: $env{'user.domain'} eq 'public') {
3144: $category .= &plainname($uname,$udom);
3145: } else {
3146: $category .= &aboutmewrapper(&plainname($uname,$udom),$uname,$udom);
3147: }
3148: }
3149: } elsif ($activity eq 'groups') {
3150: $category = 'Groups in this course';
3151: }
3152: my $showstart = &Apache::lonlocal::locallocaltime($startblock);
3153: my $showend = &Apache::lonlocal::locallocaltime($endblock);
3154: $output = '<br />'.&mt('[_1] will be inaccessible between [_2] and [_3] because communication is being blocked.',$category,$showstart,$showend).'<br />';
3155: if (!($activity eq 'port' && !($ownitem) && !($is_course))) {
3156: $output .= &build_block_table($startblock,$endblock,\%setters);
3157: }
3158: }
3159: }
3160: if (wantarray) {
3161: return ($blocked,$output);
3162: } else {
3163: return $blocked;
3164: }
3165: }
3166:
1.60 matthew 3167: ###############################################
3168:
3169: =pod
3170:
1.112 bowersj2 3171: =head1 Domain Template Functions
3172:
3173: =over 4
3174:
3175: =item * &determinedomain()
1.60 matthew 3176:
3177: Inputs: $domain (usually will be undef)
3178:
1.63 www 3179: Returns: Determines which domain should be used for designs
1.60 matthew 3180:
3181: =cut
1.54 www 3182:
1.60 matthew 3183: ###############################################
1.63 www 3184: sub determinedomain {
3185: my $domain=shift;
1.531 albertel 3186: if (! $domain) {
1.60 matthew 3187: # Determine domain if we have not been given one
3188: $domain = $Apache::lonnet::perlvar{'lonDefDomain'};
1.258 albertel 3189: if ($env{'user.domain'}) { $domain=$env{'user.domain'}; }
3190: if ($env{'request.role.domain'}) {
3191: $domain=$env{'request.role.domain'};
1.60 matthew 3192: }
3193: }
1.63 www 3194: return $domain;
3195: }
3196: ###############################################
1.517 raeburn 3197:
1.518 albertel 3198: sub devalidate_domconfig_cache {
3199: my ($udom)=@_;
3200: &Apache::lonnet::devalidate_cache_new('domainconfig',$udom);
3201: }
3202:
3203: # ---------------------- Get domain configuration for a domain
3204: sub get_domainconf {
3205: my ($udom) = @_;
3206: my $cachetime=1800;
3207: my ($result,$cached)=&Apache::lonnet::is_cached_new('domainconfig',$udom);
3208: if (defined($cached)) { return %{$result}; }
3209:
3210: my %domconfig = &Apache::lonnet::get_dom('configuration',
3211: ['login','rolecolors'],$udom);
3212: my %designhash;
3213: if (keys(%domconfig) > 0) {
3214: if (ref($domconfig{'login'}) eq 'HASH') {
3215: foreach my $key (keys(%{$domconfig{'login'}})) {
3216: $designhash{$udom.'.login.'.$key}=$domconfig{'login'}{$key};
3217: }
3218: }
3219: if (ref($domconfig{'rolecolors'}) eq 'HASH') {
3220: foreach my $role (keys(%{$domconfig{'rolecolors'}})) {
3221: if (ref($domconfig{'rolecolors'}{$role}) eq 'HASH') {
3222: foreach my $item (keys(%{$domconfig{'rolecolors'}{$role}})) {
3223: $designhash{$udom.'.'.$role.'.'.$item}=$domconfig{'rolecolors'}{$role}{$item};
3224: }
3225: }
3226: }
3227: }
3228: } else {
3229: my $designdir=$Apache::lonnet::perlvar{'lonTabDir'}.'/lonDomColors';
3230: my $designfile = $designdir.'/'.$udom.'.tab';
3231: if (-e $designfile) {
3232: if ( open (my $fh,"<$designfile") ) {
3233: while (my $line = <$fh>) {
3234: next if ($line =~ /^\#/);
3235: chomp($line);
3236: my ($key,$val)=(split(/\=/,$line));
3237: if ($val) { $designhash{$udom.'.'.$key}=$val; }
3238: }
3239: close($fh);
3240: }
3241: }
3242: if (-e '/home/httpd/html/adm/lonDomLogos/'.$udom.'.gif') {
1.519 raeburn 3243: $designhash{$udom.'.login.domlogo'} = "/adm/lonDomLogos/$udom.gif";
1.518 albertel 3244: }
3245: }
3246: &Apache::lonnet::do_cache_new('domainconfig',$udom,\%designhash,
3247: $cachetime);
3248: return %designhash;
3249: }
3250:
1.63 www 3251: =pod
3252:
1.112 bowersj2 3253: =item * &domainlogo()
1.63 www 3254:
3255: Inputs: $domain (usually will be undef)
3256:
3257: Returns: A link to a domain logo, if the domain logo exists.
3258: If the domain logo does not exist, a description of the domain.
3259:
3260: =cut
1.112 bowersj2 3261:
1.63 www 3262: ###############################################
3263: sub domainlogo {
1.517 raeburn 3264: my $domain = &determinedomain(shift);
1.518 albertel 3265: my %designhash = &get_domainconf($domain);
1.517 raeburn 3266: # See if there is a logo
3267: if ($designhash{$domain.'.login.domlogo'} ne '') {
1.519 raeburn 3268: my $imgsrc = $designhash{$domain.'.login.domlogo'};
1.538 albertel 3269: if ($imgsrc =~ m{^/(adm|res)/}) {
3270: if ($imgsrc =~ m{^/res/}) {
3271: my $local_name = &Apache::lonnet::filelocation('',$imgsrc);
3272: &Apache::lonnet::repcopy($local_name);
3273: }
3274: $imgsrc = &lonhttpdurl($imgsrc);
1.519 raeburn 3275: }
3276: return '<img src="'.$imgsrc.'" alt="'.$domain.'" />';
1.514 albertel 3277: } elsif (defined(&Apache::lonnet::domain($domain,'description'))) {
3278: return &Apache::lonnet::domain($domain,'description');
1.59 www 3279: } else {
1.60 matthew 3280: return '';
1.59 www 3281: }
3282: }
1.63 www 3283: ##############################################
3284:
3285: =pod
3286:
1.112 bowersj2 3287: =item * &designparm()
1.63 www 3288:
3289: Inputs: $which parameter; $domain (usually will be undef)
3290:
3291: Returns: value of designparamter $which
3292:
3293: =cut
1.112 bowersj2 3294:
1.397 albertel 3295:
1.400 albertel 3296: ##############################################
1.397 albertel 3297: sub designparm {
3298: my ($which,$domain)=@_;
1.258 albertel 3299: if ($env{'browser.blackwhite'} eq 'on') {
1.110 www 3300: if ($which=~/\.(font|alink|vlink|link)$/) {
3301: return '#000000';
3302: }
3303: if ($which=~/\.(pgbg|sidebg)$/) {
3304: return '#FFFFFF';
3305: }
3306: if ($which=~/\.tabbg$/) {
3307: return '#CCCCCC';
3308: }
3309: }
1.397 albertel 3310: if (exists($env{'environment.color.'.$which})) {
1.258 albertel 3311: return $env{'environment.color.'.$which};
1.96 www 3312: }
1.63 www 3313: $domain=&determinedomain($domain);
1.518 albertel 3314: my %domdesign = &get_domainconf($domain);
1.520 raeburn 3315: my $output;
1.517 raeburn 3316: if ($domdesign{$domain.'.'.$which} ne '') {
1.520 raeburn 3317: $output = $domdesign{$domain.'.'.$which};
1.63 www 3318: } else {
1.520 raeburn 3319: $output = $defaultdesign{$which};
3320: }
3321: if (($which =~ /^(student|coordinator|author|admin)\.img$/) ||
3322: ($which =~ /login\.(img|logo|domlogo)/)) {
1.538 albertel 3323: if ($output =~ m{^/(adm|res)/}) {
3324: if ($output =~ m{^/res/}) {
3325: my $local_name = &Apache::lonnet::filelocation('',$output);
3326: &Apache::lonnet::repcopy($local_name);
3327: }
1.520 raeburn 3328: $output = &lonhttpdurl($output);
3329: }
1.63 www 3330: }
1.520 raeburn 3331: return $output;
1.63 www 3332: }
1.59 www 3333:
1.60 matthew 3334: ###############################################
3335: ###############################################
3336:
3337: =pod
3338:
1.112 bowersj2 3339: =back
3340:
3341: =head1 HTTP Helpers
3342:
3343: =over 4
3344:
3345: =item * &bodytag()
1.60 matthew 3346:
3347: Returns a uniform header for LON-CAPA web pages.
3348:
3349: Inputs:
3350:
1.112 bowersj2 3351: =over 4
3352:
3353: =item * $title, A title to be displayed on the page.
3354:
3355: =item * $function, the current role (can be undef).
3356:
3357: =item * $addentries, extra parameters for the <body> tag.
3358:
3359: =item * $bodyonly, if defined, only return the <body> tag.
3360:
3361: =item * $domain, if defined, force a given domain.
3362:
3363: =item * $forcereg, if page should register as content page (relevant for
1.86 www 3364: text interface only)
1.60 matthew 3365:
1.326 albertel 3366: =item * $customtitle, alternate text to use instead of $title
3367: in the title box that appears, this text
3368: is not auto translated like the $title is
1.309 albertel 3369:
3370: =item * $notopbar, if true, keep the 'what is this' info but remove the
3371: navigational links
1.317 albertel 3372:
1.338 albertel 3373: =item * $bgcolor, used to override the bgcolor on a webpage to a specific value
3374:
3375: =item * $notitle, if true keep the nav controls, but remove the title bar
3376:
1.361 albertel 3377: =item * $no_inline_link, if true and in remote mode, don't show the
3378: 'Switch To Inline Menu' link
3379:
1.460 albertel 3380: =item * $args, optional argument valid values are
3381: no_auto_mt_title -> prevents &mt()ing the title arg
3382:
1.112 bowersj2 3383: =back
3384:
1.60 matthew 3385: Returns: A uniform header for LON-CAPA web pages.
3386: If $bodyonly is nonzero, a string containing a <body> tag will be returned.
3387: If $bodyonly is undef or zero, an html string containing a <body> tag and
3388: other decorations will be returned.
3389:
3390: =cut
3391:
1.54 www 3392: sub bodytag {
1.309 albertel 3393: my ($title,$function,$addentries,$bodyonly,$domain,$forcereg,$customtitle,
1.460 albertel 3394: $notopbar,$bgcolor,$notitle,$no_inline_link,$args)=@_;
1.339 albertel 3395:
1.460 albertel 3396: if (!$args->{'no_auto_mt_title'}) { $title = &mt($title); }
1.339 albertel 3397:
1.183 matthew 3398: $function = &get_users_function() if (!$function);
1.339 albertel 3399: my $img = &designparm($function.'.img',$domain);
3400: my $font = &designparm($function.'.font',$domain);
3401: my $pgbg = $bgcolor || &designparm($function.'.pgbg',$domain);
3402:
3403: my %design = ( 'style' => 'margin-top: 0px',
1.535 albertel 3404: 'bgcolor' => $pgbg,
1.339 albertel 3405: 'text' => $font,
3406: 'alink' => &designparm($function.'.alink',$domain),
3407: 'vlink' => &designparm($function.'.vlink',$domain),
3408: 'link' => &designparm($function.'.link',$domain),);
1.438 albertel 3409: @design{keys(%$addentries)} = @$addentries{keys(%$addentries)};
1.339 albertel 3410:
1.63 www 3411: # role and realm
1.378 raeburn 3412: my ($role,$realm) = split(/\./,$env{'request.role'},2);
3413: if ($role eq 'ca') {
1.479 albertel 3414: my ($rdom,$rname) = ($realm =~ m{^/($match_domain)/($match_username)$});
1.500 albertel 3415: $realm = &plainname($rname,$rdom);
1.378 raeburn 3416: }
1.55 www 3417: # realm
1.258 albertel 3418: if ($env{'request.course.id'}) {
1.378 raeburn 3419: if ($env{'request.role'} !~ /^cr/) {
3420: $role = &Apache::lonnet::plaintext($role,&course_type());
3421: }
1.359 albertel 3422: $realm = $env{'course.'.$env{'request.course.id'}.'.description'};
1.378 raeburn 3423: } else {
3424: $role = &Apache::lonnet::plaintext($role);
1.54 www 3425: }
1.433 albertel 3426:
1.359 albertel 3427: if (!$realm) { $realm=' '; }
1.55 www 3428: # Set messages
1.60 matthew 3429: my $messages=&domainlogo($domain);
1.101 www 3430: # Port for miniserver
1.83 albertel 3431: my $lonhttpdPort=$Apache::lonnet::perlvar{'lonhttpdPort'};
3432: if (!defined($lonhttpdPort)) { $lonhttpdPort='8080'; }
1.330 albertel 3433:
1.438 albertel 3434: my $extra_body_attr = &make_attr_string($forcereg,\%design);
1.329 albertel 3435:
1.101 www 3436: # construct main body tag
1.359 albertel 3437: my $bodytag = "<body $extra_body_attr>".
3438: &Apache::lontexconvert::init_math_support();
1.252 albertel 3439:
1.530 albertel 3440: if ($bodyonly) {
1.60 matthew 3441: return $bodytag;
1.258 albertel 3442: } elsif ($env{'browser.interface'} eq 'textual') {
1.95 www 3443: # Accessibility
1.224 raeburn 3444:
1.337 albertel 3445: $bodytag.=&Apache::lonmenu::menubuttons($forcereg,$forcereg);
1.338 albertel 3446: if (!$notitle) {
1.337 albertel 3447: $bodytag.='<h1>LON-CAPA: '.$title.'</h1>';
3448: }
3449: return $bodytag;
1.359 albertel 3450: }
3451:
1.410 albertel 3452: my $name = &plainname($env{'user.name'},$env{'user.domain'});
1.433 albertel 3453: if ($env{'user.name'} eq 'public' && $env{'user.domain'} eq 'public') {
3454: undef($role);
1.434 albertel 3455: } else {
3456: $name = &aboutmewrapper($name,$env{'user.name'},$env{'user.domain'});
1.433 albertel 3457: }
1.359 albertel 3458:
3459: my $roleinfo=(<<ENDROLE);
3460: <td class="LC_title_bar_who">
3461: <div class="LC_title_bar_name">
1.410 albertel 3462: $name
1.361 albertel 3463:
1.359 albertel 3464: </div>
3465: <div class="LC_title_bar_role">
1.361 albertel 3466: $role
1.359 albertel 3467: </div>
3468: <div class="LC_title_bar_realm">
1.361 albertel 3469: $realm
1.359 albertel 3470: </div>
1.206 albertel 3471: </td>
3472: ENDROLE
1.235 raeburn 3473:
1.359 albertel 3474: my $titleinfo = '<span class="LC_title_bar_title">'.$title.'</span>';
3475: if ($customtitle) {
3476: $titleinfo = $customtitle;
3477: }
3478: #
3479: # Extra info if you are the DC
3480: my $dc_info = '';
3481: if ($env{'user.adv'} && exists($env{'user.role.dc./'.
3482: $env{'course.'.$env{'request.course.id'}.
3483: '.domain'}.'/'})) {
3484: my $cid = $env{'request.course.id'};
3485: $dc_info.= $cid.' '.$env{'course.'.$cid.'.internal.coursecode'};
1.380 www 3486: $dc_info =~ s/\s+$//;
1.359 albertel 3487: $dc_info = '('.$dc_info.')';
3488: }
3489:
3490: if ($env{'environment.remote'} eq 'off') {
3491: # No Remote
1.258 albertel 3492: if ($env{'request.state'} eq 'construct') {
1.359 albertel 3493: $forcereg=1;
3494: }
3495:
3496: if (!$customtitle && $env{'request.state'} eq 'construct') {
3497: # this is for resources; directories have customtitle, and crumbs
3498: # and select recent are created in lonpubdir.pm
1.229 albertel 3499: my ($uname,$thisdisfn)=
1.258 albertel 3500: ($env{'request.filename'} =~ m|^/home/([^/]+)/public_html/(.*)|);
1.229 albertel 3501: my $formaction='/priv/'.$uname.'/'.$thisdisfn;
3502: $formaction=~s/\/+/\//g;
3503:
1.359 albertel 3504: my $parentpath = '';
3505: my $lastitem = '';
3506: if ($thisdisfn =~ m-(.+/)([^/]*)$-) {
3507: $parentpath = $1;
3508: $lastitem = $2;
3509: } else {
3510: $lastitem = $thisdisfn;
3511: }
3512: $titleinfo =
1.401 albertel 3513: &Apache::loncommon::help_open_menu('','',3,'Authoring').
1.359 albertel 3514: '<b>Construction Space</b>: '.
3515: '<form name="dirs" method="post" action="'.$formaction
3516: .'" target="_top"><tt><b>'
3517: .&Apache::lonhtmlcommon::crumbs($uname.'/'.$parentpath,'_top','/priv','','+1',1)."<font size=\"+1\">$lastitem</font></b></tt><br />"
3518: .&Apache::lonhtmlcommon::select_recent('construct','recent','this.form.action=this.form.recent.value;this.form.submit()')
3519: .'</form>'
3520: .&Apache::lonmenu::constspaceform();
1.235 raeburn 3521: }
1.359 albertel 3522:
1.337 albertel 3523: my $titletable;
1.338 albertel 3524: if (!$notitle) {
1.337 albertel 3525: $titletable =
1.359 albertel 3526: '<table id="LC_title_bar">'.
3527: "<tr><td> $titleinfo $dc_info</td>".$roleinfo.
3528: '</tr></table>';
1.337 albertel 3529: }
1.359 albertel 3530: if ($notopbar) {
3531: $bodytag .= $titletable;
3532: } else {
3533: if ($env{'request.state'} eq 'construct') {
1.337 albertel 3534: $bodytag .= &Apache::lonmenu::menubuttons($forcereg,$forcereg,
3535: $titletable);
1.272 raeburn 3536: } else {
1.336 albertel 3537: $bodytag .= &Apache::lonmenu::menubuttons($forcereg,$forcereg).
1.359 albertel 3538: $titletable;
1.272 raeburn 3539: }
1.235 raeburn 3540: }
3541: return $bodytag;
1.94 www 3542: }
1.95 www 3543:
1.93 www 3544: #
1.95 www 3545: # Top frame rendering, Remote is up
1.93 www 3546: #
1.359 albertel 3547:
1.517 raeburn 3548: my $imgsrc = $img;
3549: if ($img =~ /^\/adm/) {
3550: $imgsrc = 'http://'.$ENV{'HTTP_HOST'}.':'.$lonhttpdPort.$img;
3551: }
3552: my $upperleft='<img src="'.$imgsrc.'" alt="'.$function.'" />';
1.359 albertel 3553:
1.305 www 3554: # Explicit link to get inline menu
1.361 albertel 3555: my $menu= ($no_inline_link?''
3556: :'<br /><a href="/adm/remote?action=collapse">'.&mt('Switch to Inline Menu Mode').'</a>');
1.245 matthew 3557: #
1.338 albertel 3558: if ($notitle) {
1.337 albertel 3559: return $bodytag;
3560: }
1.94 www 3561: return(<<ENDBODY);
1.60 matthew 3562: $bodytag
1.359 albertel 3563: <table id="LC_title_bar" class="LC_with_remote">
1.368 albertel 3564: <tr><td class="LC_title_bar_role_logo">$upperleft</td>
1.359 albertel 3565: <td class="LC_title_bar_domain_logo">$messages </td>
1.54 www 3566: </tr>
1.359 albertel 3567: <tr><td>$titleinfo $dc_info $menu</td>
3568: $roleinfo
1.368 albertel 3569: </tr>
1.356 albertel 3570: </table>
1.54 www 3571: ENDBODY
1.182 matthew 3572: }
3573:
1.330 albertel 3574: sub make_attr_string {
3575: my ($register,$attr_ref) = @_;
3576:
3577: if ($attr_ref && !ref($attr_ref)) {
3578: die("addentries Must be a hash ref ".
3579: join(':',caller(1))." ".
3580: join(':',caller(0))." ");
3581: }
3582:
3583: if ($register) {
1.339 albertel 3584: my ($on_load,$on_unload);
3585: foreach my $key (keys(%{$attr_ref})) {
3586: if (lc($key) eq 'onload') {
3587: $on_load.=$attr_ref->{$key}.';';
3588: delete($attr_ref->{$key});
3589:
3590: } elsif (lc($key) eq 'onunload') {
3591: $on_unload.=$attr_ref->{$key}.';';
3592: delete($attr_ref->{$key});
3593: }
3594: }
3595: $attr_ref->{'onload'} =
3596: &Apache::lonmenu::loadevents(). $on_load;
3597: $attr_ref->{'onunload'}=
3598: &Apache::lonmenu::unloadevents().$on_unload;
3599: }
3600:
3601: # Accessibility font enhance
3602: if ($env{'browser.fontenhance'} eq 'on') {
3603: my $style;
3604: foreach my $key (keys(%{$attr_ref})) {
3605: if (lc($key) eq 'style') {
3606: $style.=$attr_ref->{$key}.';';
3607: delete($attr_ref->{$key});
3608: }
3609: }
3610: $attr_ref->{'style'}=$style.'; font-size: x-large;';
1.330 albertel 3611: }
1.339 albertel 3612:
3613: if ($env{'browser.blackwhite'} eq 'on') {
3614: delete($attr_ref->{'font'});
3615: delete($attr_ref->{'link'});
3616: delete($attr_ref->{'alink'});
3617: delete($attr_ref->{'vlink'});
3618: delete($attr_ref->{'bgcolor'});
3619: delete($attr_ref->{'background'});
3620: }
3621:
1.330 albertel 3622: my $attr_string;
3623: foreach my $attr (keys(%$attr_ref)) {
3624: $attr_string .= " $attr=\"".$attr_ref->{$attr}.'" ';
3625: }
3626: return $attr_string;
3627: }
3628:
3629:
1.182 matthew 3630: ###############################################
1.251 albertel 3631: ###############################################
3632:
3633: =pod
3634:
3635: =back
3636:
1.306 albertel 3637: =head1 HTML Helpers
1.251 albertel 3638:
3639: =over 4
3640:
3641: =item * &endbodytag()
3642:
3643: Returns a uniform footer for LON-CAPA web pages.
3644:
1.306 albertel 3645: Inputs: none
1.251 albertel 3646:
3647: =back
3648:
3649: =cut
3650:
3651: sub endbodytag {
3652: my $endbodytag='</body>';
1.269 albertel 3653: $endbodytag=&Apache::lontexconvert::jsMath_process()."\n".$endbodytag;
1.315 albertel 3654: if ( exists( $env{'internal.head.redirect'} ) ) {
3655: $endbodytag=
3656: "<br /><a href=\"$env{'internal.head.redirect'}\">".
3657: &mt('Continue').'</a>'.
3658: $endbodytag;
3659: }
1.251 albertel 3660: return $endbodytag;
3661: }
3662:
1.352 albertel 3663: =pod
3664:
3665: =over 4
3666:
3667: =item * &standard_css()
3668:
3669: Returns a style sheet
3670:
3671: Inputs: (all optional)
3672: domain -> force to color decorate a page for a specific
3673: domain
3674: function -> force usage of a specific rolish color scheme
3675: bgcolor -> override the default page bgcolor
3676:
3677: =back
3678:
3679: =cut
3680:
1.343 albertel 3681: sub standard_css {
1.345 albertel 3682: my ($function,$domain,$bgcolor) = @_;
1.352 albertel 3683: $function = &get_users_function() if (!$function);
3684: my $img = &designparm($function.'.img', $domain);
3685: my $tabbg = &designparm($function.'.tabbg', $domain);
3686: my $font = &designparm($function.'.font', $domain);
1.345 albertel 3687: my $sidebg = &designparm($function.'.sidebg',$domain);
1.382 albertel 3688: my $pgbg_or_bgcolor =
3689: $bgcolor ||
1.352 albertel 3690: &designparm($function.'.pgbg', $domain);
1.382 albertel 3691: my $pgbg = &designparm($function.'.pgbg', $domain);
1.352 albertel 3692: my $alink = &designparm($function.'.alink', $domain);
3693: my $vlink = &designparm($function.'.vlink', $domain);
3694: my $link = &designparm($function.'.link', $domain);
3695:
3696: my $sans = 'Arial,Helvetica,sans-serif';
1.395 albertel 3697: my $mono = 'monospace';
1.352 albertel 3698: my $data_table_head = $tabbg;
3699: my $data_table_light = '#EEEEEE';
1.470 banghart 3700: my $data_table_dark = '#DDDDDD';
3701: my $data_table_darker = '#CCCCCC';
1.349 albertel 3702: my $data_table_highlight = '#FFFF00';
1.352 albertel 3703: my $mail_new = '#FFBB77';
3704: my $mail_new_hover = '#DD9955';
3705: my $mail_read = '#BBBB77';
3706: my $mail_read_hover = '#999944';
3707: my $mail_replied = '#AAAA88';
3708: my $mail_replied_hover = '#888855';
3709: my $mail_other = '#99BBBB';
3710: my $mail_other_hover = '#669999';
1.391 albertel 3711: my $table_header = '#DDDDDD';
1.489 raeburn 3712: my $feedback_link_bg = '#BBBBBB';
1.392 albertel 3713:
3714: my $border = ($env{'browser.type'} eq 'explorer') ? '0px 2px 0px 2px'
3715: : '0px 3px 0px 4px';
1.448 albertel 3716:
1.523 albertel 3717:
1.343 albertel 3718: return <<END;
1.345 albertel 3719: h1, h2, h3, th { font-family: $sans }
1.343 albertel 3720: a:focus { color: red; background: yellow }
1.510 albertel 3721: table.thinborder,
1.523 albertel 3722:
1.510 albertel 3723: table.thinborder tr th {
3724: border-style: solid;
3725: border-width: 1px;
3726: background: $tabbg;
3727: }
1.523 albertel 3728: table.thinborder tr td {
1.510 albertel 3729: border-style: solid;
3730: border-width: 1px
3731: }
1.426 albertel 3732:
1.343 albertel 3733: form, .inline { display: inline; }
3734: .center { text-align: center; }
1.395 albertel 3735: .LC_filename {font-family: $mono;}
1.350 albertel 3736: .LC_error {
3737: color: red;
3738: font-size: larger;
3739: }
1.457 albertel 3740: .LC_warning,
3741: .LC_diff_removed {
1.394 albertel 3742: color: red;
3743: }
1.532 albertel 3744:
3745: .LC_info,
1.457 albertel 3746: .LC_success,
3747: .LC_diff_added {
1.350 albertel 3748: color: green;
3749: }
1.543 albertel 3750: .LC_unknown {
3751: color: yellow;
3752: }
3753:
1.440 albertel 3754: .LC_icon {
3755: border: 0px;
3756: }
1.539 albertel 3757: .LC_indexer_icon {
3758: border: 0px;
3759: height: 22px;
3760: }
1.543 albertel 3761: .LC_docs_spacer {
3762: width: 25px;
3763: height: 1px;
3764: border: 0px;
3765: }
1.346 albertel 3766:
1.532 albertel 3767: .LC_internal_info {
3768: color: #999;
3769: }
3770:
1.458 albertel 3771: table.LC_pastsubmission {
3772: border: 1px solid black;
3773: margin: 2px;
3774: }
3775:
1.392 albertel 3776: table#LC_top_nav, table#LC_menubuttons {
1.345 albertel 3777: width: 100%;
3778: background: $pgbg;
1.392 albertel 3779: border: 2px;
1.402 albertel 3780: border-collapse: separate;
1.403 albertel 3781: padding: 0px;
1.345 albertel 3782: }
1.392 albertel 3783:
1.409 albertel 3784: table#LC_title_bar, table.LC_breadcrumbs, table#LC_nav_location,
1.393 albertel 3785: table#LC_title_bar.LC_with_remote {
1.359 albertel 3786: width: 100%;
1.392 albertel 3787: border-color: $pgbg;
3788: border-style: solid;
3789: border-width: $border;
3790:
1.379 albertel 3791: background: $pgbg;
3792: font-family: $sans;
1.392 albertel 3793: border-collapse: collapse;
1.403 albertel 3794: padding: 0px;
1.359 albertel 3795: }
1.392 albertel 3796:
1.409 albertel 3797: table.LC_docs_path {
3798: width: 100%;
3799: border: 0;
3800: background: $pgbg;
3801: font-family: $sans;
3802: border-collapse: collapse;
3803: padding: 0px;
3804: }
3805:
1.359 albertel 3806: table#LC_title_bar td {
3807: background: $tabbg;
3808: }
3809: table#LC_title_bar td.LC_title_bar_who {
3810: background: $tabbg;
3811: color: $font;
1.427 albertel 3812: font: small $sans;
1.359 albertel 3813: text-align: right;
3814: }
1.469 banghart 3815: span.LC_metadata {
3816: font-family: $sans;
3817: }
1.359 albertel 3818: span.LC_title_bar_title {
1.416 albertel 3819: font: bold x-large $sans;
1.359 albertel 3820: }
3821: table#LC_title_bar td.LC_title_bar_domain_logo {
3822: background: $sidebg;
3823: text-align: right;
1.368 albertel 3824: padding: 0px;
3825: }
3826: table#LC_title_bar td.LC_title_bar_role_logo {
3827: background: $sidebg;
3828: padding: 0px;
1.359 albertel 3829: }
3830:
1.346 albertel 3831: table#LC_menubuttons_mainmenu {
1.526 www 3832: width: 100%;
1.346 albertel 3833: border: 0px;
3834: border-spacing: 1px;
1.372 albertel 3835: padding: 0px 1px;
1.346 albertel 3836: margin: 0px;
3837: border-collapse: separate;
3838: }
3839: table#LC_menubuttons img, table#LC_menubuttons_mainmenu img {
3840: border: 0px;
3841: }
1.345 albertel 3842: table#LC_top_nav td {
3843: background: $tabbg;
1.392 albertel 3844: border: 0px;
1.407 albertel 3845: font-size: small;
1.345 albertel 3846: }
3847: table#LC_top_nav td a, div#LC_top_nav a {
3848: color: $font;
3849: font-family: $sans;
3850: }
1.364 albertel 3851: table#LC_top_nav td.LC_top_nav_logo {
3852: background: $tabbg;
1.432 albertel 3853: text-align: left;
1.408 albertel 3854: white-space: nowrap;
1.432 albertel 3855: width: 31px;
1.408 albertel 3856: }
3857: table#LC_top_nav td.LC_top_nav_logo img {
1.432 albertel 3858: border: 0px;
1.408 albertel 3859: vertical-align: bottom;
1.364 albertel 3860: }
1.432 albertel 3861: table#LC_top_nav td.LC_top_nav_exit,
3862: table#LC_top_nav td.LC_top_nav_help {
3863: width: 2.0em;
3864: }
1.442 albertel 3865: table#LC_top_nav td.LC_top_nav_login {
3866: width: 4.0em;
3867: text-align: center;
3868: }
1.409 albertel 3869: table.LC_breadcrumbs td, table.LC_docs_path td {
1.357 albertel 3870: background: $tabbg;
3871: color: $font;
3872: font-family: $sans;
1.358 albertel 3873: font-size: smaller;
1.357 albertel 3874: }
1.411 albertel 3875: table.LC_breadcrumbs td.LC_breadcrumbs_component,
1.409 albertel 3876: table.LC_docs_path td.LC_docs_path_component {
1.357 albertel 3877: background: $tabbg;
3878: color: $font;
3879: font-family: $sans;
3880: font-size: larger;
3881: text-align: right;
3882: }
1.383 albertel 3883: td.LC_table_cell_checkbox {
3884: text-align: center;
3885: }
3886:
1.522 albertel 3887: table#LC_mainmenu td.LC_mainmenu_column {
3888: vertical-align: top;
3889: }
3890:
1.346 albertel 3891: .LC_menubuttons_inline_text {
3892: color: $font;
3893: font-family: $sans;
3894: font-size: smaller;
3895: }
3896:
1.526 www 3897: .LC_menubuttons_link {
3898: text-decoration: none;
3899: }
3900:
1.522 albertel 3901: .LC_menubuttons_category {
1.521 www 3902: color: $font;
1.526 www 3903: background: $pgbg;
1.521 www 3904: font-family: $sans;
3905: font-size: larger;
3906: font-weight: bold;
3907: }
3908:
1.346 albertel 3909: td.LC_menubuttons_text {
1.526 www 3910: width: 90%;
1.346 albertel 3911: color: $font;
3912: font-family: $sans;
3913: }
1.526 www 3914:
1.346 albertel 3915: td.LC_menubuttons_img {
3916: }
1.526 www 3917:
1.346 albertel 3918: .LC_current_location {
3919: font-family: $sans;
3920: background: $tabbg;
3921: }
3922: .LC_new_mail {
3923: font-family: $sans;
3924: font-weight: bold;
3925: }
1.347 albertel 3926:
1.526 www 3927: .LC_rolesmenu_is {
3928: font-family: $sans;
3929: }
3930:
3931: .LC_rolesmenu_selected {
3932: font-family: $sans;
3933: }
3934:
3935: .LC_rolesmenu_future {
3936: font-family: $sans;
3937: }
3938:
3939:
3940: .LC_rolesmenu_will {
3941: font-family: $sans;
3942: }
3943:
3944: .LC_rolesmenu_will_not {
3945: font-family: $sans;
3946: }
3947:
3948: .LC_rolesmenu_expired {
3949: font-family: $sans;
3950: }
3951:
3952: .LC_rolesinfo {
3953: font-family: $sans;
3954: }
3955:
1.527 www 3956: .LC_dropadd_labeltext {
3957: font-family: $sans;
3958: text-align: right;
3959: }
3960:
3961: .LC_preferences_labeltext {
3962: font-family: $sans;
3963: text-align: right;
3964: }
3965:
1.440 albertel 3966: table.LC_aboutme_port {
3967: border: 0px;
3968: border-collapse: collapse;
3969: border-spacing: 0px;
3970: }
1.349 albertel 3971: table.LC_data_table, table.LC_mail_list {
1.347 albertel 3972: border: 1px solid #000000;
1.402 albertel 3973: border-collapse: separate;
1.426 albertel 3974: border-spacing: 1px;
1.347 albertel 3975: }
1.422 albertel 3976: .LC_data_table_dense {
3977: font-size: small;
3978: }
1.507 raeburn 3979: table.LC_nested_outer {
3980: border: 1px solid #000000;
3981: border-collapse: separate;
3982: border-spacing: 0px;
3983: width: 100%;
3984: }
3985: table.LC_nested {
3986: border: 0px;
3987: border-collapse: separate;
3988: border-spacing: 0px;
3989: width: 100%;
3990: }
1.523 albertel 3991: table.LC_data_table tr th, table.LC_calendar tr th, table.LC_mail_list tr th,
3992: table.LC_prior_tries tr th {
1.349 albertel 3993: font-weight: bold;
3994: background-color: $data_table_head;
1.421 albertel 3995: font-size: smaller;
1.347 albertel 3996: }
1.440 albertel 3997: table.LC_data_table tr td,
3998: table.LC_aboutme_port tr td {
1.349 albertel 3999: background-color: $data_table_light;
1.425 albertel 4000: padding: 2px;
1.347 albertel 4001: }
1.440 albertel 4002: table.LC_data_table tr.LC_even_row td,
4003: table.LC_aboutme_port tr.LC_even_row td {
1.349 albertel 4004: background-color: $data_table_dark;
1.347 albertel 4005: }
1.425 albertel 4006: table.LC_data_table tr.LC_data_table_highlight td {
4007: background-color: $data_table_darker;
4008: }
1.451 albertel 4009: table.LC_data_table tr.LC_empty_row td,
1.507 raeburn 4010: table.LC_nested tr.LC_empty_row td {
1.347 albertel 4011: background-color: #FFFFFF;
1.421 albertel 4012: font-weight: bold;
4013: font-style: italic;
4014: text-align: center;
4015: padding: 8px;
1.347 albertel 4016: }
1.507 raeburn 4017: table.LC_nested tr.LC_empty_row td {
1.465 albertel 4018: padding: 4ex
4019: }
1.507 raeburn 4020: table.LC_nested_outer tr th {
4021: font-weight: bold;
4022: background-color: $data_table_head;
4023: font-size: smaller;
4024: border-bottom: 1px solid #000000;
4025: }
4026: table.LC_nested_outer tr td.LC_subheader {
4027: background-color: $data_table_head;
4028: font-weight: bold;
4029: font-size: small;
4030: border-bottom: 1px solid #000000;
4031: text-align: right;
1.451 albertel 4032: }
1.507 raeburn 4033: table.LC_nested tr.LC_info_row td {
1.451 albertel 4034: background-color: #CCC;
4035: font-weight: bold;
4036: font-size: small;
1.507 raeburn 4037: text-align: center;
4038: }
4039: table.LC_nested tr.LC_info_row td.LC_left_item {
4040: text-align: left;
1.451 albertel 4041: }
1.507 raeburn 4042: table.LC_nested td {
1.451 albertel 4043: background-color: #FFF;
4044: font-size: small;
1.507 raeburn 4045: }
4046: table.LC_nested_outer tr th.LC_right_item,
4047: table.LC_nested tr.LC_info_row td.LC_right_item,
4048: table.LC_nested tr.LC_odd_row td.LC_right_item,
4049: table.LC_nested tr td.LC_right_item {
1.451 albertel 4050: text-align: right;
4051: }
4052:
1.507 raeburn 4053: table.LC_nested tr.LC_odd_row td {
1.451 albertel 4054: background-color: #EEE;
4055: }
4056:
1.473 raeburn 4057: table.LC_createuser {
4058: }
4059:
4060: table.LC_createuser tr.LC_section_row td {
4061: font-size: smaller;
4062: }
4063:
4064: table.LC_createuser tr.LC_info_row td {
4065: background-color: #CCC;
4066: font-weight: bold;
4067: text-align: center;
4068: }
4069:
1.349 albertel 4070: table.LC_calendar {
4071: border: 1px solid #000000;
4072: border-collapse: collapse;
4073: }
4074: table.LC_calendar_pickdate {
4075: font-size: xx-small;
4076: }
4077: table.LC_calendar tr td {
4078: border: 1px solid #000000;
4079: vertical-align: top;
4080: }
4081: table.LC_calendar tr td.LC_calendar_day_empty {
4082: background-color: $data_table_dark;
4083: }
4084: table.LC_calendar tr td.LC_calendar_day_current {
4085: background-color: $data_table_highlight;
4086: }
4087:
4088: table.LC_mail_list tr.LC_mail_new {
4089: background-color: $mail_new;
4090: }
4091: table.LC_mail_list tr.LC_mail_new:hover {
4092: background-color: $mail_new_hover;
4093: }
4094: table.LC_mail_list tr.LC_mail_read {
4095: background-color: $mail_read;
4096: }
4097: table.LC_mail_list tr.LC_mail_read:hover {
4098: background-color: $mail_read_hover;
4099: }
4100: table.LC_mail_list tr.LC_mail_replied {
4101: background-color: $mail_replied;
4102: }
4103: table.LC_mail_list tr.LC_mail_replied:hover {
4104: background-color: $mail_replied_hover;
4105: }
4106: table.LC_mail_list tr.LC_mail_other {
4107: background-color: $mail_other;
4108: }
4109: table.LC_mail_list tr.LC_mail_other:hover {
4110: background-color: $mail_other_hover;
4111: }
1.494 raeburn 4112: table.LC_mail_list tr.LC_mail_even {
4113: }
4114: table.LC_mail_list tr.LC_mail_odd {
4115: }
4116:
1.385 albertel 4117:
1.386 albertel 4118: table#LC_portfolio_actions {
4119: width: auto;
4120: background: $pgbg;
4121: border: 0px;
4122: border-spacing: 2px 2px;
4123: padding: 0px;
4124: margin: 0px;
4125: border-collapse: separate;
4126: }
4127: table#LC_portfolio_actions td.LC_label {
4128: background: $tabbg;
4129: text-align: right;
4130: }
4131: table#LC_portfolio_actions td.LC_value {
4132: background: $tabbg;
4133: }
1.385 albertel 4134:
1.391 albertel 4135: table#LC_cstr_controls {
4136: width: 100%;
4137: border-collapse: collapse;
4138: }
4139: table#LC_cstr_controls tr td {
4140: border: 4px solid $pgbg;
4141: padding: 4px;
4142: text-align: center;
4143: background: $tabbg;
4144: }
4145: table#LC_cstr_controls tr th {
4146: border: 4px solid $pgbg;
4147: background: $table_header;
4148: text-align: center;
4149: font-family: $sans;
4150: font-size: smaller;
4151: }
4152:
1.389 albertel 4153: table#LC_browser {
4154:
4155: }
4156: table#LC_browser tr th {
1.391 albertel 4157: background: $table_header;
1.389 albertel 4158: }
1.390 albertel 4159: table#LC_browser tr td {
4160: padding: 2px;
4161: }
1.389 albertel 4162: table#LC_browser tr.LC_browser_file,
4163: table#LC_browser tr.LC_browser_file_published {
4164: background: #CCFF88;
4165: }
4166: table#LC_browser tr.LC_browser_file_locked,
4167: table#LC_browser tr.LC_browser_file_unpublished {
4168: background: #FFAA99;
1.387 albertel 4169: }
1.389 albertel 4170: table#LC_browser tr.LC_browser_file_obsolete {
4171: background: #AAAAAA;
1.387 albertel 4172: }
1.455 albertel 4173: table#LC_browser tr.LC_browser_file_modified,
4174: table#LC_browser tr.LC_browser_file_metamodified {
1.389 albertel 4175: background: #FFFF77;
1.387 albertel 4176: }
1.389 albertel 4177: table#LC_browser tr.LC_browser_folder {
4178: background: #CCCCFF;
1.387 albertel 4179: }
1.388 albertel 4180: span.LC_current_location {
4181: font-size: x-large;
4182: background: $pgbg;
4183: }
1.387 albertel 4184:
1.395 albertel 4185: span.LC_parm_menu_item {
4186: font-size: larger;
4187: font-family: $sans;
4188: }
4189: span.LC_parm_scope_all {
4190: color: red;
4191: }
4192: span.LC_parm_scope_folder {
4193: color: green;
4194: }
4195: span.LC_parm_scope_resource {
4196: color: orange;
4197: }
4198: span.LC_parm_part {
4199: color: blue;
4200: }
4201: span.LC_parm_folder, span.LC_parm_symb {
4202: font-size: x-small;
4203: font-family: $mono;
4204: color: #AAAAAA;
4205: }
4206:
1.396 albertel 4207: td.LC_parm_overview_level_menu, td.LC_parm_overview_map_menu,
4208: td.LC_parm_overview_parm_selectors, td.LC_parm_overview_parm_restrictions {
4209: border: 1px solid black;
4210: border-collapse: collapse;
4211: }
4212: table.LC_parm_overview_restrictions td {
4213: border-width: 1px 4px 1px 4px;
4214: border-style: solid;
4215: border-color: $pgbg;
4216: text-align: center;
4217: }
4218: table.LC_parm_overview_restrictions th {
4219: background: $tabbg;
4220: border-width: 1px 4px 1px 4px;
4221: border-style: solid;
4222: border-color: $pgbg;
4223: }
1.398 albertel 4224: table#LC_helpmenu {
4225: border: 0px;
4226: height: 55px;
4227: border-spacing: 0px;
4228: }
4229:
4230: table#LC_helpmenu fieldset legend {
4231: font-size: larger;
4232: font-weight: bold;
4233: }
1.397 albertel 4234: table#LC_helpmenu_links {
4235: width: 100%;
4236: border: 1px solid black;
4237: background: $pgbg;
4238: padding: 0px;
4239: border-spacing: 1px;
4240: }
4241: table#LC_helpmenu_links tr td {
4242: padding: 1px;
4243: background: $tabbg;
1.399 albertel 4244: text-align: center;
4245: font-weight: bold;
1.397 albertel 4246: }
1.396 albertel 4247:
1.397 albertel 4248: table#LC_helpmenu_links a:link, table#LC_helpmenu_links a:visited,
4249: table#LC_helpmenu_links a:active {
4250: text-decoration: none;
4251: color: $font;
4252: }
4253: table#LC_helpmenu_links a:hover {
4254: text-decoration: underline;
4255: color: $vlink;
4256: }
1.396 albertel 4257:
1.417 albertel 4258: .LC_chrt_popup_exists {
4259: border: 1px solid #339933;
4260: margin: -1px;
4261: }
4262: .LC_chrt_popup_up {
4263: border: 1px solid yellow;
4264: margin: -1px;
4265: }
4266: .LC_chrt_popup {
4267: border: 1px solid #8888FF;
4268: background: #CCCCFF;
4269: }
4270:
1.421 albertel 4271: table.LC_pick_box {
4272: width: 100%;
4273: border-collapse: separate;
4274: background: white;
4275: border: 1px solid black;
4276: border-spacing: 1px;
4277: }
4278: table.LC_pick_box td.LC_pick_box_title {
4279: background: $tabbg;
4280: font-weight: bold;
4281: text-align: right;
4282: width: 184px;
4283: padding: 8px;
4284: }
1.424 albertel 4285: table.LC_pick_box td.LC_pick_box_separator {
1.421 albertel 4286: padding: 0px;
4287: height: 1px;
4288: background: black;
4289: }
4290: table.LC_pick_box td.LC_pick_box_submit {
4291: text-align: right;
4292: }
4293:
1.424 albertel 4294: table.LC_group_priv_box {
4295: background: white;
4296: border: 1px solid black;
4297: border-spacing: 1px;
4298: }
4299: table.LC_group_priv_box td.LC_pick_box_title {
4300: background: $tabbg;
4301: font-weight: bold;
4302: text-align: right;
4303: width: 184px;
4304: }
4305: table.LC_group_priv_box td.LC_groups_fixed {
4306: background: $data_table_light;
4307: text-align: center;
4308: }
4309: table.LC_group_priv_box td.LC_groups_optional {
4310: background: $data_table_dark;
4311: text-align: center;
4312: }
4313: table.LC_group_priv_box td.LC_groups_functionality {
4314: background: $data_table_darker;
4315: text-align: center;
4316: font-weight: bold;
4317: }
4318: table.LC_group_priv td {
4319: text-align: left;
4320: padding: 0px;
4321: }
4322:
1.421 albertel 4323: table.LC_notify_front_page {
4324: background: white;
4325: border: 1px solid black;
4326: padding: 8px;
4327: }
4328: table.LC_notify_front_page td {
4329: padding: 8px;
4330: }
1.424 albertel 4331: .LC_navbuttons {
4332: margin: 2ex 0ex 2ex 0ex;
4333: }
1.423 albertel 4334: .LC_topic_bar {
4335: font-family: $sans;
4336: font-weight: bold;
4337: width: 100%;
4338: background: $tabbg;
4339: vertical-align: middle;
4340: margin: 2ex 0ex 2ex 0ex;
4341: }
4342: .LC_topic_bar span {
4343: vertical-align: middle;
4344: }
4345: .LC_topic_bar img {
4346: vertical-align: bottom;
4347: }
4348: table.LC_course_group_status {
4349: margin: 20px;
4350: }
4351: table.LC_status_selector td {
4352: vertical-align: top;
4353: text-align: center;
1.424 albertel 4354: padding: 4px;
4355: }
4356: table.LC_descriptive_input td.LC_description {
4357: vertical-align: top;
4358: text-align: right;
4359: font-weight: bold;
1.423 albertel 4360: }
1.489 raeburn 4361: table.LC_feedback_link {
4362: background: $feedback_link_bg;
4363: }
4364: span.LC_feedback_link {
4365: background: $feedback_link_bg;
4366: font-size: larger;
4367: }
1.421 albertel 4368:
1.515 albertel 4369: table.LC_prior_tries {
1.524 albertel 4370: border: 1px solid #000000;
4371: border-collapse: separate;
4372: border-spacing: 1px;
1.515 albertel 4373: }
1.523 albertel 4374:
1.515 albertel 4375: table.LC_prior_tries td {
1.524 albertel 4376: padding: 2px;
1.515 albertel 4377: }
1.523 albertel 4378:
4379: .LC_answer_correct {
4380: background: #AAFFAA;
4381: color: black;
4382: }
4383: .LC_answer_charged_try {
4384: background: #FFAAAA ! important;
4385: color: black;
4386: }
4387: .LC_answer_not_charged_try,
4388: .LC_answer_no_grade,
4389: .LC_answer_late {
4390: background: #FFFFAA;
4391: color: black;
4392: }
4393: .LC_answer_previous {
4394: background: #AAAAFF;
4395: color: black;
4396: }
4397: .LC_answer_no_message {
4398: background: #FFFFFF;
4399: color: black;
4400: }
4401: .LC_answer_unknown {
4402: background: orange;
4403: color: black;
4404: }
4405:
4406:
1.529 albertel 4407: span.LC_prior_numerical,
4408: span.LC_prior_string,
4409: span.LC_prior_custom,
4410: span.LC_prior_reaction,
4411: span.LC_prior_math {
1.523 albertel 4412: font-family: monospace;
4413: white-space: pre;
4414: }
4415:
1.525 albertel 4416: span.LC_prior_string {
4417: font-family: monospace;
4418: white-space: pre;
4419: }
4420:
1.523 albertel 4421: table.LC_prior_option {
4422: width: 100%;
4423: border-collapse: collapse;
4424: }
1.528 albertel 4425: table.LC_prior_rank, table.LC_prior_match {
4426: border-collapse: collapse;
4427: }
4428: table.LC_prior_option tr td,
4429: table.LC_prior_rank tr td,
4430: table.LC_prior_match tr td {
1.524 albertel 4431: border: 1px solid #000000;
1.515 albertel 4432: }
4433:
1.519 raeburn 4434: span.LC_nobreak {
1.544 ! albertel 4435: white-space: nowrap;
1.519 raeburn 4436: }
4437:
1.543 albertel 4438: .LC_docs_course_commands div{
1.544 ! albertel 4439: float: left;
! 4440: border: 4px solid #AAAAAA;
! 4441: padding: 4px;
! 4442: background: #DDDDCC;
! 4443: }
! 4444:
! 4445: .LC_docs_copy {
! 4446: color: #000099;
! 4447: font-size: x-small;
! 4448: }
! 4449: .LC_docs_cut {
! 4450: color: #550044;
! 4451: font-size: x-small;
! 4452: }
! 4453: .LC_docs_rename {
! 4454: color: #009900;
! 4455: font-size: x-small;
! 4456: }
! 4457: .LC_docs_remove {
! 4458: color: #990000;
! 4459: font-size: x-small;
1.543 albertel 4460: }
4461:
1.343 albertel 4462: END
4463: }
4464:
1.306 albertel 4465: =pod
4466:
4467: =over 4
4468:
4469: =item * &headtag()
4470:
4471: Returns a uniform footer for LON-CAPA web pages.
4472:
1.307 albertel 4473: Inputs: $title - optional title for the head
4474: $head_extra - optional extra HTML to put inside the <head>
1.315 albertel 4475: $args - optional arguments
1.319 albertel 4476: force_register - if is true call registerurl so the remote is
4477: informed
1.415 albertel 4478: redirect -> array ref of
4479: 1- seconds before redirect occurs
4480: 2- url to redirect to
4481: 3- whether the side effect should occur
1.315 albertel 4482: (side effect of setting
4483: $env{'internal.head.redirect'} to the url
4484: redirected too)
1.352 albertel 4485: domain -> force to color decorate a page for a specific
4486: domain
4487: function -> force usage of a specific rolish color scheme
4488: bgcolor -> override the default page bgcolor
1.460 albertel 4489: no_auto_mt_title
4490: -> prevent &mt()ing the title arg
1.464 albertel 4491:
1.306 albertel 4492: =back
4493:
4494: =cut
4495:
4496: sub headtag {
1.313 albertel 4497: my ($title,$head_extra,$args) = @_;
1.306 albertel 4498:
1.363 albertel 4499: my $function = $args->{'function'} || &get_users_function();
4500: my $domain = $args->{'domain'} || &determinedomain();
4501: my $bgcolor = $args->{'bgcolor'} || &designparm($function.'.pgbg',$domain);
1.418 albertel 4502: my $url = join(':',$env{'user.name'},$env{'user.domain'},
1.458 albertel 4503: $Apache::lonnet::perlvar{'lonVersion'},
1.531 albertel 4504: #time(),
1.418 albertel 4505: $env{'environment.color.timestamp'},
1.363 albertel 4506: $function,$domain,$bgcolor);
4507:
1.369 www 4508: $url = '/adm/css/'.&escape($url).'.css';
1.363 albertel 4509:
1.308 albertel 4510: my $result =
4511: '<head>'.
1.461 albertel 4512: &font_settings();
1.319 albertel 4513:
1.461 albertel 4514: if (!$args->{'frameset'}) {
4515: $result .= &Apache::lonhtmlcommon::htmlareaheaders();
4516: }
1.319 albertel 4517: if ($args->{'force_register'}) {
4518: $result .= &Apache::lonmenu::registerurl(1);
4519: }
1.436 albertel 4520: if (!$args->{'no_nav_bar'}
4521: && !$args->{'only_body'}
4522: && !$args->{'frameset'}) {
4523: $result .= &help_menu_js();
4524: }
1.319 albertel 4525:
1.314 albertel 4526: if (ref($args->{'redirect'})) {
1.414 albertel 4527: my ($time,$url,$inhibit_continue) = @{$args->{'redirect'}};
1.315 albertel 4528: $url = &Apache::lonenc::check_encrypt($url);
1.414 albertel 4529: if (!$inhibit_continue) {
4530: $env{'internal.head.redirect'} = $url;
4531: }
1.313 albertel 4532: $result.=<<ADDMETA
4533: <meta http-equiv="pragma" content="no-cache" />
1.344 albertel 4534: <meta http-equiv="Refresh" content="$time; url=$url" />
1.313 albertel 4535: ADDMETA
4536: }
1.306 albertel 4537: if (!defined($title)) {
4538: $title = 'The LearningOnline Network with CAPA';
4539: }
1.460 albertel 4540: if (!$args->{'no_auto_mt_title'}) { $title = &mt($title); }
4541: $result .= '<title> LON-CAPA '.$title.'</title>'
1.414 albertel 4542: .'<link rel="stylesheet" type="text/css" href="'.$url.'" />'
4543: .$head_extra;
1.306 albertel 4544: return $result;
4545: }
4546:
4547: =pod
4548:
4549: =over 4
4550:
1.340 albertel 4551: =item * &font_settings()
4552:
4553: Returns neccessary <meta> to set the proper encoding
4554:
4555: Inputs: none
4556:
4557: =back
4558:
4559: =cut
4560:
4561: sub font_settings {
4562: my $headerstring='';
4563: if (($env{'browser.os'} eq 'mac') && (!$env{'browser.mathml'})) {
4564: $headerstring.=
4565: '<meta Content-Type="text/html; charset=x-mac-roman" />';
4566: } elsif (!$env{'browser.mathml'} && $env{'browser.unicode'}) {
4567: $headerstring.=
4568: '<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />';
4569: }
4570: return $headerstring;
4571: }
4572:
1.341 albertel 4573: =pod
4574:
4575: =over 4
4576:
4577: =item * &xml_begin()
4578:
4579: Returns the needed doctype and <html>
4580:
4581: Inputs: none
4582:
4583: =back
4584:
4585: =cut
4586:
4587: sub xml_begin {
4588: my $output='';
4589:
1.342 albertel 4590: &Apache::lonhtmlcommon::init_htmlareafields();
4591:
1.341 albertel 4592: if ($env{'browser.mathml'}) {
4593: $output='<?xml version="1.0"?>'
4594: #.'<?xml-stylesheet type="text/css" href="/adm/MathML/mathml.css"?>'."\n"
4595: # .'<!DOCTYPE html SYSTEM "/adm/MathML/mathml.dtd" '
4596:
4597: # .'<!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">] >'
4598: .'<!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">'
4599: .'<html xmlns:math="http://www.w3.org/1998/Math/MathML" '
4600: .'xmlns="http://www.w3.org/1999/xhtml">';
4601: } else {
4602: $output='<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html>';
4603: }
4604: return $output;
4605: }
1.340 albertel 4606:
4607: =pod
4608:
4609: =over 4
4610:
1.306 albertel 4611: =item * &endheadtag()
4612:
4613: Returns a uniform </head> for LON-CAPA web pages.
4614:
4615: Inputs: none
4616:
4617: =back
4618:
4619: =cut
4620:
4621: sub endheadtag {
4622: return '</head>';
4623: }
4624:
4625: =pod
4626:
4627: =over 4
4628:
4629: =item * &head()
4630:
4631: Returns a uniform complete <head>..</head> section for LON-CAPA web pages.
4632:
4633: Inputs: $title - optional title for the page
1.307 albertel 4634: $head_extra - optional extra HTML to put inside the <head>
1.405 albertel 4635:
1.306 albertel 4636: =back
4637:
4638: =cut
4639:
4640: sub head {
1.325 albertel 4641: my ($title,$head_extra,$args) = @_;
4642: return &headtag($title,$head_extra,$args).&endheadtag();
1.306 albertel 4643: }
4644:
4645: =pod
4646:
4647: =over 4
4648:
4649: =item * &start_page()
4650:
4651: Returns a complete <html> .. <body> section for LON-CAPA web pages.
4652:
4653: Inputs: $title - optional title for the page
4654: $head_extra - optional extra HTML to incude inside the <head>
1.315 albertel 4655: $args - additional optional args supported are:
1.317 albertel 4656: only_body -> is true will set &bodytag() onlybodytag
4657: arg on
4658: no_nav_bar -> is true will set &bodytag() notopbar arg on
4659: add_entries -> additional attributes to add to the <body>
4660: domain -> force to color decorate a page for a
4661: specific domain
4662: function -> force usage of a specific rolish color
4663: scheme
4664: redirect -> see &headtag()
4665: bgcolor -> override the default page bg color
4666: js_ready -> return a string ready for being used in
4667: a javascript writeln
1.320 albertel 4668: html_encode -> return a string ready for being used in
4669: a html attribute
1.317 albertel 4670: force_register -> if is true will turn on the &bodytag()
4671: $forcereg arg
1.326 albertel 4672: body_title -> alternate text to use instead of $title
4673: in the title box that appears, this text
4674: is not auto translated like the $title is
1.330 albertel 4675: frameset -> if true will start with a <frameset>
4676: rather than <body>
1.338 albertel 4677: no_title -> if true the title bar won't be shown
4678: skip_phases -> hash ref of
4679: head -> skip the <html><head> generation
4680: body -> skip all <body> generation
1.337 albertel 4681:
1.361 albertel 4682: no_inline_link -> if true and in remote mode, don't show the
4683: 'Switch To Inline Menu' link
4684:
1.460 albertel 4685: no_auto_mt_title -> prevent &mt()ing the title arg
4686:
1.306 albertel 4687: =back
4688:
4689: =cut
4690:
4691: sub start_page {
1.309 albertel 4692: my ($title,$head_extra,$args) = @_;
1.318 albertel 4693: #&Apache::lonnet::logthis("start_page ".join(':',caller(0)));
1.313 albertel 4694: my %head_args;
1.352 albertel 4695: foreach my $arg ('redirect','force_register','domain','function',
1.460 albertel 4696: 'bgcolor','frameset','no_nav_bar','only_body',
4697: 'no_auto_mt_title') {
1.319 albertel 4698: if (defined($args->{$arg})) {
1.324 raeburn 4699: $head_args{$arg} = $args->{$arg};
1.319 albertel 4700: }
1.313 albertel 4701: }
1.319 albertel 4702:
1.315 albertel 4703: $env{'internal.start_page'}++;
1.338 albertel 4704: my $result;
4705: if (! exists($args->{'skip_phases'}{'head'}) ) {
4706: $result.=
1.341 albertel 4707: &xml_begin().
1.338 albertel 4708: &headtag($title,$head_extra,\%head_args).&endheadtag();
4709: }
4710:
4711: if (! exists($args->{'skip_phases'}{'body'}) ) {
4712: if ($args->{'frameset'}) {
4713: my $attr_string = &make_attr_string($args->{'force_register'},
4714: $args->{'add_entries'});
4715: $result .= "\n<frameset $attr_string>\n";
4716: } else {
4717: $result .=
4718: &bodytag($title,
4719: $args->{'function'}, $args->{'add_entries'},
4720: $args->{'only_body'}, $args->{'domain'},
4721: $args->{'force_register'}, $args->{'body_title'},
4722: $args->{'no_nav_bar'}, $args->{'bgcolor'},
1.460 albertel 4723: $args->{'no_title'}, $args->{'no_inline_link'},
4724: $args);
1.338 albertel 4725: }
1.330 albertel 4726: }
1.338 albertel 4727:
1.315 albertel 4728: if ($args->{'js_ready'}) {
1.317 albertel 4729: $result = &js_ready($result);
1.315 albertel 4730: }
1.320 albertel 4731: if ($args->{'html_encode'}) {
4732: $result = &html_encode($result);
4733: }
1.315 albertel 4734: return $result;
1.306 albertel 4735: }
4736:
1.330 albertel 4737:
1.306 albertel 4738: =pod
4739:
4740: =over 4
4741:
4742: =item * &head()
4743:
4744: Returns a complete </body></html> section for LON-CAPA web pages.
4745:
1.315 albertel 4746: Inputs: $args - additional optional args supported are:
4747: js_ready -> return a string ready for being used in
4748: a javascript writeln
1.320 albertel 4749: html_encode -> return a string ready for being used in
4750: a html attribute
1.330 albertel 4751: frameset -> if true will start with a <frameset>
4752: rather than <body>
1.493 albertel 4753: dicsussion -> if true will get discussion from
4754: lonxml::xmlend
4755: (you can pass the target and parser arguments
4756: through optional 'target' and 'parser' args
4757: to this routine)
1.306 albertel 4758:
4759: =cut
4760:
4761: sub end_page {
1.315 albertel 4762: my ($args) = @_;
4763: $env{'internal.end_page'}++;
1.330 albertel 4764: my $result;
1.335 albertel 4765: if ($args->{'discussion'}) {
4766: my ($target,$parser);
4767: if (ref($args->{'discussion'})) {
4768: ($target,$parser) =($args->{'discussion'}{'target'},
4769: $args->{'discussion'}{'parser'});
4770: }
4771: $result .= &Apache::lonxml::xmlend($target,$parser);
4772: }
4773:
1.330 albertel 4774: if ($args->{'frameset'}) {
4775: $result .= '</frameset>';
4776: } else {
4777: $result .= &endbodytag();
4778: }
4779: $result .= "\n</html>";
4780:
1.315 albertel 4781: if ($args->{'js_ready'}) {
1.317 albertel 4782: $result = &js_ready($result);
1.315 albertel 4783: }
1.335 albertel 4784:
1.320 albertel 4785: if ($args->{'html_encode'}) {
4786: $result = &html_encode($result);
4787: }
1.335 albertel 4788:
1.315 albertel 4789: return $result;
4790: }
4791:
1.320 albertel 4792: sub html_encode {
4793: my ($result) = @_;
4794:
1.322 albertel 4795: $result = &HTML::Entities::encode($result,'<>&"');
1.320 albertel 4796:
4797: return $result;
4798: }
1.317 albertel 4799: sub js_ready {
4800: my ($result) = @_;
4801:
1.323 albertel 4802: $result =~ s/[\n\r]/ /xmsg;
4803: $result =~ s/\\/\\\\/xmsg;
4804: $result =~ s/'/\\'/xmsg;
1.372 albertel 4805: $result =~ s{</}{<\\/}xmsg;
1.317 albertel 4806:
4807: return $result;
4808: }
4809:
1.315 albertel 4810: sub validate_page {
4811: if ( exists($env{'internal.start_page'})
1.316 albertel 4812: && $env{'internal.start_page'} > 1) {
4813: &Apache::lonnet::logthis('start_page called multiple times '.
1.318 albertel 4814: $env{'internal.start_page'}.' '.
1.316 albertel 4815: $ENV{'request.filename'});
1.315 albertel 4816: }
4817: if ( exists($env{'internal.end_page'})
1.316 albertel 4818: && $env{'internal.end_page'} > 1) {
4819: &Apache::lonnet::logthis('end_page called multiple times '.
1.318 albertel 4820: $env{'internal.end_page'}.' '.
1.316 albertel 4821: $env{'request.filename'});
1.315 albertel 4822: }
4823: if ( exists($env{'internal.start_page'})
4824: && ! exists($env{'internal.end_page'})) {
1.316 albertel 4825: &Apache::lonnet::logthis('start_page called without end_page '.
4826: $env{'request.filename'});
1.315 albertel 4827: }
4828: if ( ! exists($env{'internal.start_page'})
4829: && exists($env{'internal.end_page'})) {
1.316 albertel 4830: &Apache::lonnet::logthis('end_page called without start_page'.
4831: $env{'request.filename'});
1.315 albertel 4832: }
1.306 albertel 4833: }
1.315 albertel 4834:
1.318 albertel 4835: sub simple_error_page {
4836: my ($r,$title,$msg) = @_;
4837: my $page =
4838: &Apache::loncommon::start_page($title).
4839: &mt($msg).
4840: &Apache::loncommon::end_page();
4841: if (ref($r)) {
4842: $r->print($page);
1.327 albertel 4843: return;
1.318 albertel 4844: }
4845: return $page;
4846: }
1.347 albertel 4847:
4848: {
4849: my $row_count;
4850: sub start_data_table {
1.422 albertel 4851: my ($add_class) = @_;
4852: my $css_class = (join(' ','LC_data_table',$add_class));
1.347 albertel 4853: undef($row_count);
1.422 albertel 4854: return '<table class="'.$css_class.'">'."\n";
1.347 albertel 4855: }
4856:
4857: sub end_data_table {
4858: undef($row_count);
1.389 albertel 4859: return '</table>'."\n";;
1.347 albertel 4860: }
4861:
4862: sub start_data_table_row {
1.422 albertel 4863: my ($add_class) = @_;
1.347 albertel 4864: $row_count++;
1.422 albertel 4865: my $css_class = ($row_count % 2)?'':'LC_even_row';
1.428 albertel 4866: $css_class = (join(' ',$css_class,$add_class));
1.422 albertel 4867: return '<tr class="'.$css_class.'">'."\n";;
1.347 albertel 4868: }
1.471 banghart 4869:
4870: sub continue_data_table_row {
4871: my ($add_class) = @_;
4872: my $css_class = ($row_count % 2)?'':'LC_even_row';
4873: $css_class = (join(' ',$css_class,$add_class));
4874: return '<tr class="'.$css_class.'">'."\n";;
4875: }
1.347 albertel 4876:
4877: sub end_data_table_row {
1.389 albertel 4878: return '</tr>'."\n";;
1.347 albertel 4879: }
1.367 www 4880:
1.421 albertel 4881: sub start_data_table_empty_row {
4882: $row_count++;
4883: return '<tr class="LC_empty_row" >'."\n";;
4884: }
4885:
4886: sub end_data_table_empty_row {
4887: return '</tr>'."\n";;
4888: }
4889:
1.367 www 4890: sub start_data_table_header_row {
1.389 albertel 4891: return '<tr class="LC_header_row">'."\n";;
1.367 www 4892: }
4893:
4894: sub end_data_table_header_row {
1.389 albertel 4895: return '</tr>'."\n";;
1.367 www 4896: }
1.347 albertel 4897: }
4898:
1.251 albertel 4899: ###############################################
1.182 matthew 4900:
4901: =pod
4902:
1.405 albertel 4903: =item * &get_users_function()
1.182 matthew 4904:
4905: Used by &bodytag to determine the current users primary role.
4906: Returns either 'student','coordinator','admin', or 'author'.
4907:
4908: =cut
4909:
4910: ###############################################
4911: sub get_users_function {
4912: my $function = 'student';
1.258 albertel 4913: if ($env{'request.role'}=~/^(cc|in|ta|ep)/) {
1.182 matthew 4914: $function='coordinator';
4915: }
1.258 albertel 4916: if ($env{'request.role'}=~/^(su|dc|ad|li)/) {
1.182 matthew 4917: $function='admin';
4918: }
1.258 albertel 4919: if (($env{'request.role'}=~/^(au|ca)/) ||
1.182 matthew 4920: ($ENV{'REQUEST_URI'}=~/^(\/priv|\~)/)) {
4921: $function='author';
4922: }
4923: return $function;
1.54 www 4924: }
1.99 www 4925:
4926: ###############################################
4927:
1.233 raeburn 4928: =pod
4929:
1.542 raeburn 4930: =item * &check_user_status()
1.274 raeburn 4931:
4932: Determines current status of supplied role for a
4933: specific user. Roles can be active, previous or future.
4934:
4935: Inputs:
4936: user's domain, user's username, course's domain,
1.375 raeburn 4937: course's number, optional section ID.
1.274 raeburn 4938:
4939: Outputs:
4940: role status: active, previous or future.
4941:
4942: =cut
4943:
4944: sub check_user_status {
1.412 raeburn 4945: my ($udom,$uname,$cdom,$crs,$role,$sec) = @_;
1.274 raeburn 4946: my %userinfo = &Apache::lonnet::dump('roles',$udom,$uname);
4947: my @uroles = keys %userinfo;
4948: my $srchstr;
4949: my $active_chk = 'none';
1.412 raeburn 4950: my $now = time;
1.274 raeburn 4951: if (@uroles > 0) {
1.412 raeburn 4952: if (($role eq 'cc') || ($sec eq '') || (!defined($sec))) {
1.274 raeburn 4953: $srchstr = '/'.$cdom.'/'.$crs.'_'.$role;
4954: } else {
1.412 raeburn 4955: $srchstr = '/'.$cdom.'/'.$crs.'/'.$sec.'_'.$role;
4956: }
4957: if (grep/^\Q$srchstr\E$/,@uroles) {
1.274 raeburn 4958: my $role_end = 0;
4959: my $role_start = 0;
4960: $active_chk = 'active';
1.412 raeburn 4961: if ($userinfo{$srchstr} =~ m/^\Q$role\E_(\d+)/) {
4962: $role_end = $1;
4963: if ($userinfo{$srchstr} =~ m/^\Q$role\E_\Q$role_end\E_(\d+)$/) {
4964: $role_start = $1;
1.274 raeburn 4965: }
4966: }
4967: if ($role_start > 0) {
1.412 raeburn 4968: if ($now < $role_start) {
1.274 raeburn 4969: $active_chk = 'future';
4970: }
4971: }
4972: if ($role_end > 0) {
1.412 raeburn 4973: if ($now > $role_end) {
1.274 raeburn 4974: $active_chk = 'previous';
4975: }
4976: }
4977: }
4978: }
4979: return $active_chk;
4980: }
4981:
4982: ###############################################
4983:
4984: =pod
4985:
1.405 albertel 4986: =item * &get_sections()
1.233 raeburn 4987:
4988: Determines all the sections for a course including
4989: sections with students and sections containing other roles.
1.419 raeburn 4990: Incoming parameters:
4991:
4992: 1. domain
4993: 2. course number
4994: 3. reference to array containing roles for which sections should
4995: be gathered (optional).
4996: 4. reference to array containing status types for which sections
4997: should be gathered (optional).
4998:
4999: If the third argument is undefined, sections are gathered for any role.
5000: If the fourth argument is undefined, sections are gathered for any status.
5001: Permissible values are 'active' or 'future' or 'previous'.
1.233 raeburn 5002:
1.374 raeburn 5003: Returns section hash (keys are section IDs, values are
5004: number of users in each section), subject to the
1.419 raeburn 5005: optional roles filter, optional status filter
1.233 raeburn 5006:
5007: =cut
5008:
5009: ###############################################
5010: sub get_sections {
1.419 raeburn 5011: my ($cdom,$cnum,$possible_roles,$possible_status) = @_;
1.366 albertel 5012: if (!defined($cdom) || !defined($cnum)) {
5013: my $cid = $env{'request.course.id'};
5014:
5015: return if (!defined($cid));
5016:
5017: $cdom = $env{'course.'.$cid.'.domain'};
5018: $cnum = $env{'course.'.$cid.'.num'};
5019: }
5020:
5021: my %sectioncount;
1.419 raeburn 5022: my $now = time;
1.240 albertel 5023:
1.366 albertel 5024: if (!defined($possible_roles) || (grep(/^st$/,@$possible_roles))) {
1.276 albertel 5025: my ($classlist) = &Apache::loncoursedata::get_classlist($cdom,$cnum);
1.240 albertel 5026: my $sec_index = &Apache::loncoursedata::CL_SECTION();
5027: my $status_index = &Apache::loncoursedata::CL_STATUS();
1.419 raeburn 5028: my $start_index = &Apache::loncoursedata::CL_START();
5029: my $end_index = &Apache::loncoursedata::CL_END();
5030: my $status;
1.366 albertel 5031: while (my ($student,$data) = each(%$classlist)) {
1.419 raeburn 5032: my ($section,$stu_status,$start,$end) = ($data->[$sec_index],
5033: $data->[$status_index],
5034: $data->[$start_index],
5035: $data->[$end_index]);
5036: if ($stu_status eq 'Active') {
5037: $status = 'active';
5038: } elsif ($end < $now) {
5039: $status = 'previous';
5040: } elsif ($start > $now) {
5041: $status = 'future';
5042: }
5043: if ($section ne '-1' && $section !~ /^\s*$/) {
5044: if ((!defined($possible_status)) || (($status ne '') &&
5045: (grep/^\Q$status\E$/,@{$possible_status}))) {
5046: $sectioncount{$section}++;
5047: }
1.240 albertel 5048: }
5049: }
5050: }
5051: my %courseroles = &Apache::lonnet::dump('nohist_userroles',$cdom,$cnum);
5052: foreach my $user (sort(keys(%courseroles))) {
5053: if ($user !~ /^(\w{2})/) { next; }
5054: my ($role) = ($user =~ /^(\w{2})/);
5055: if ($possible_roles && !(grep(/^$role$/,@$possible_roles))) { next; }
1.419 raeburn 5056: my ($section,$status);
1.240 albertel 5057: if ($role eq 'cr' &&
5058: $user =~ m-^$role/[^/]*/[^/]*/[^/]*:[^:]*:[^:]*:(\w+)-) {
5059: $section=$1;
5060: }
5061: if ($user =~ /^$role:[^:]*:[^:]*:(\w+)/) { $section=$1; }
5062: if (!defined($section) || $section eq '-1') { next; }
1.419 raeburn 5063: my ($end,$start) = ($courseroles{$user} =~ /^([^:]*):([^:]*)$/);
5064: if ($end == -1 && $start == -1) {
5065: next; #deleted role
5066: }
5067: if (!defined($possible_status)) {
5068: $sectioncount{$section}++;
5069: } else {
5070: if ((!$end || $end >= $now) && (!$start || $start <= $now)) {
5071: $status = 'active';
5072: } elsif ($end < $now) {
5073: $status = 'future';
5074: } elsif ($start > $now) {
5075: $status = 'previous';
5076: }
5077: if (($status ne '') && (grep/^\Q$status\E$/,@{$possible_status})) {
5078: $sectioncount{$section}++;
5079: }
5080: }
1.233 raeburn 5081: }
1.366 albertel 5082: return %sectioncount;
1.233 raeburn 5083: }
5084:
1.274 raeburn 5085: ###############################################
1.294 raeburn 5086:
5087: =pod
1.405 albertel 5088:
5089: =item * &get_course_users()
5090:
1.275 raeburn 5091: Retrieves usernames:domains for users in the specified course
5092: with specific role(s), and access status.
5093:
5094: Incoming parameters:
1.277 albertel 5095: 1. course domain
5096: 2. course number
5097: 3. access status: users must have - either active,
1.275 raeburn 5098: previous, future, or all.
1.277 albertel 5099: 4. reference to array of permissible roles
1.288 raeburn 5100: 5. reference to array of section restrictions (optional)
5101: 6. reference to results object (hash of hashes).
5102: 7. reference to optional userdata hash
1.275 raeburn 5103: Keys of top level hash are roles.
5104: Keys of inner hashes are username:domain, with
5105: values set to access type.
1.288 raeburn 5106: Optional userdata hash returns an array with arguments in the
5107: same order as loncoursedata::get_classlist() for student data.
5108:
5109: Entries for end, start, section and status are blank because
5110: of the possibility of multiple values for non-student roles.
5111:
1.275 raeburn 5112: =cut
1.405 albertel 5113:
1.275 raeburn 5114: ###############################################
1.405 albertel 5115:
1.275 raeburn 5116: sub get_course_users {
1.288 raeburn 5117: my ($cdom,$cnum,$types,$roles,$sections,$users,$userdata) = @_;
5118: my %idx = ();
1.419 raeburn 5119: my %seclists;
1.288 raeburn 5120:
5121: $idx{udom} = &Apache::loncoursedata::CL_SDOM();
5122: $idx{uname} = &Apache::loncoursedata::CL_SNAME();
5123: $idx{end} = &Apache::loncoursedata::CL_END();
5124: $idx{start} = &Apache::loncoursedata::CL_START();
5125: $idx{id} = &Apache::loncoursedata::CL_ID();
5126: $idx{section} = &Apache::loncoursedata::CL_SECTION();
5127: $idx{fullname} = &Apache::loncoursedata::CL_FULLNAME();
5128: $idx{status} = &Apache::loncoursedata::CL_STATUS();
5129:
1.290 albertel 5130: if (grep(/^st$/,@{$roles})) {
1.276 albertel 5131: my ($classlist,$keylist)=&Apache::loncoursedata::get_classlist($cdom,$cnum);
1.278 raeburn 5132: my $now = time;
1.277 albertel 5133: foreach my $student (keys(%{$classlist})) {
1.288 raeburn 5134: my $match = 0;
1.412 raeburn 5135: my $secmatch = 0;
1.419 raeburn 5136: my $section = $$classlist{$student}[$idx{section}];
5137: if ($section eq '') {
5138: $section = 'none';
5139: }
1.291 albertel 5140: if ((ref($sections) eq 'ARRAY') && (@{$sections} > 0)) {
1.420 albertel 5141: if (grep(/^all$/,@{$sections})) {
1.412 raeburn 5142: $secmatch = 1;
5143: } elsif ($$classlist{$student}[$idx{section}] eq '') {
1.420 albertel 5144: if (grep(/^none$/,@{$sections})) {
1.412 raeburn 5145: $secmatch = 1;
5146: }
5147: } else {
1.419 raeburn 5148: if (grep(/^\Q$section\E$/,@{$sections})) {
1.412 raeburn 5149: $secmatch = 1;
5150: }
1.290 albertel 5151: }
1.412 raeburn 5152: if (!$secmatch) {
5153: next;
5154: }
1.419 raeburn 5155: }
1.420 albertel 5156: push(@{$seclists{$student}},$section);
1.275 raeburn 5157: if (defined($$types{'active'})) {
1.288 raeburn 5158: if ($$classlist{$student}[$idx{status}] eq 'Active') {
1.275 raeburn 5159: push(@{$$users{st}{$student}},'active');
1.288 raeburn 5160: $match = 1;
1.275 raeburn 5161: }
5162: }
5163: if (defined($$types{'previous'})) {
1.288 raeburn 5164: if ($$classlist{$student}[$idx{end}] <= $now) {
1.275 raeburn 5165: push(@{$$users{st}{$student}},'previous');
1.288 raeburn 5166: $match = 1;
1.275 raeburn 5167: }
5168: }
5169: if (defined($$types{'future'})) {
1.288 raeburn 5170: if (($$classlist{$student}[$idx{start}] > $now) && ($$classlist{$student}[$idx{end}] > $now) || ($$classlist{$student}[$idx{end}] == 0) || ($$classlist{$student}[$idx{end}] eq '')) {
1.275 raeburn 5171: push(@{$$users{st}{$student}},'future');
1.288 raeburn 5172: $match = 1;
1.275 raeburn 5173: }
5174: }
1.412 raeburn 5175: if ($match && ref($userdata) eq 'HASH') {
1.288 raeburn 5176: $$userdata{$student} = $$classlist{$student};
5177: }
1.275 raeburn 5178: }
5179: }
1.412 raeburn 5180: if ((@{$roles} > 1) || ((@{$roles} == 1) && ($$roles[0] ne "st"))) {
1.439 raeburn 5181: my %coursepersonnel = &Apache::lonnet::dump('nohist_userroles',$cdom,$cnum);
5182: my $now = time;
5183: foreach my $person (sort(keys(%coursepersonnel))) {
1.288 raeburn 5184: my $match = 0;
1.412 raeburn 5185: my $secmatch = 0;
1.439 raeburn 5186: my $status;
1.412 raeburn 5187: my ($role,$user,$usec) = ($person =~ /^([^:]*):([^:]+:[^:]+):([^:]*)/);
1.275 raeburn 5188: $user =~ s/:$//;
1.439 raeburn 5189: my ($end,$start) = split(/:/,$coursepersonnel{$person});
5190: if ($end == -1 || $start == -1) {
5191: next;
5192: }
5193: if (($role) && ((grep(/^\Q$role\E$/,@{$roles})) ||
5194: (grep(/^cr$/,@{$roles}) && $role =~ /^cr\//))) {
1.412 raeburn 5195: my ($uname,$udom) = split(/:/,$user);
5196: if ((ref($sections) eq 'ARRAY') && (@{$sections} > 0)) {
1.420 albertel 5197: if (grep(/^all$/,@{$sections})) {
1.412 raeburn 5198: $secmatch = 1;
5199: } elsif ($usec eq '') {
1.420 albertel 5200: if (grep(/^none$/,@{$sections})) {
1.412 raeburn 5201: $secmatch = 1;
5202: }
5203: } else {
5204: if (grep(/^\Q$usec\E$/,@{$sections})) {
5205: $secmatch = 1;
5206: }
5207: }
5208: if (!$secmatch) {
5209: next;
5210: }
1.288 raeburn 5211: }
1.419 raeburn 5212: if ($usec eq '') {
5213: $usec = 'none';
5214: }
1.275 raeburn 5215: if ($uname ne '' && $udom ne '') {
1.503 raeburn 5216: if ($end > 0 && $end < $now) {
1.439 raeburn 5217: $status = 'previous';
5218: } elsif ($start > $now) {
5219: $status = 'future';
5220: } else {
5221: $status = 'active';
5222: }
1.277 albertel 5223: foreach my $type (keys(%{$types})) {
1.275 raeburn 5224: if ($status eq $type) {
1.420 albertel 5225: if (!grep(/^\Q$type\E$/,@{$$users{$role}{$user}})) {
1.419 raeburn 5226: push(@{$$users{$role}{$user}},$type);
5227: }
1.288 raeburn 5228: $match = 1;
5229: }
5230: }
1.419 raeburn 5231: if (($match) && (ref($userdata) eq 'HASH')) {
5232: if (!exists($$userdata{$uname.':'.$udom})) {
5233: &get_user_info($udom,$uname,\%idx,$userdata);
5234: }
1.420 albertel 5235: if (!grep(/^\Q$usec\E$/,@{$seclists{$uname.':'.$udom}})) {
1.419 raeburn 5236: push(@{$seclists{$uname.':'.$udom}},$usec);
5237: }
1.275 raeburn 5238: }
5239: }
5240: }
5241: }
1.290 albertel 5242: if (grep(/^ow$/,@{$roles})) {
1.279 raeburn 5243: if ((defined($cdom)) && (defined($cnum))) {
5244: my %csettings = &Apache::lonnet::get('environment',['internal.courseowner'],$cdom,$cnum);
5245: if ( defined($csettings{'internal.courseowner'}) ) {
5246: my $owner = $csettings{'internal.courseowner'};
1.439 raeburn 5247: if ($owner !~ /^[^:]+:[^:]+$/) {
5248: $owner = $owner.':'.$cdom;
5249: }
5250: @{$$users{'ow'}{$owner}} = 'any';
1.290 albertel 5251: if (defined($userdata) &&
5252: !exists($$userdata{$owner.':'.$cdom})) {
5253: &get_user_info($cdom,$owner,\%idx,$userdata);
1.420 albertel 5254: if (!grep(/^none$/,@{$seclists{$owner.':'.$cdom}})) {
1.419 raeburn 5255: push(@{$seclists{$owner.':'.$cdom}},'none');
5256: }
1.290 albertel 5257: }
1.279 raeburn 5258: }
5259: }
5260: }
1.419 raeburn 5261: foreach my $user (keys(%seclists)) {
5262: @{$seclists{$user}} = (sort {$a <=> $b} @{$seclists{$user}});
5263: $$userdata{$user}[$idx{section}] = join(',',@{$seclists{$user}});
5264: }
1.275 raeburn 5265: }
5266: return;
5267: }
5268:
1.288 raeburn 5269: sub get_user_info {
5270: my ($udom,$uname,$idx,$userdata) = @_;
1.289 albertel 5271: $$userdata{$uname.':'.$udom}[$$idx{fullname}] =
5272: &plainname($uname,$udom,'lastname');
1.291 albertel 5273: $$userdata{$uname.':'.$udom}[$$idx{uname}] = $uname;
1.297 raeburn 5274: $$userdata{$uname.':'.$udom}[$$idx{udom}] = $udom;
1.288 raeburn 5275: return;
5276: }
1.275 raeburn 5277:
1.472 raeburn 5278: ###############################################
5279:
5280: =pod
5281:
5282: =item * &get_user_quota()
5283:
5284: Retrieves quota assigned for storage of portfolio files for a user
5285:
5286: Incoming parameters:
5287: 1. user's username
5288: 2. user's domain
5289:
5290: Returns:
1.536 raeburn 5291: 1. Disk quota (in Mb) assigned to student.
5292: 2. (Optional) Type of setting: custom or default
5293: (individually assigned or default for user's
5294: institutional status).
5295: 3. (Optional) - User's institutional status (e.g., faculty, staff
5296: or student - types as defined in localenroll::inst_usertypes
5297: for user's domain, which determines default quota for user.
5298: 4. (Optional) - Default quota which would apply to the user.
1.472 raeburn 5299:
5300: If a value has been stored in the user's environment,
1.536 raeburn 5301: it will return that, otherwise it returns the maximal default
5302: defined for the user's instituional status(es) in the domain.
1.472 raeburn 5303:
5304: =cut
5305:
5306: ###############################################
5307:
5308:
5309: sub get_user_quota {
5310: my ($uname,$udom) = @_;
1.536 raeburn 5311: my ($quota,$quotatype,$settingstatus,$defquota);
1.472 raeburn 5312: if (!defined($udom)) {
5313: $udom = $env{'user.domain'};
5314: }
5315: if (!defined($uname)) {
5316: $uname = $env{'user.name'};
5317: }
5318: if (($udom eq '' || $uname eq '') ||
5319: ($udom eq 'public') && ($uname eq 'public')) {
5320: $quota = 0;
1.536 raeburn 5321: $quotatype = 'default';
5322: $defquota = 0;
1.472 raeburn 5323: } else {
1.536 raeburn 5324: my $inststatus;
1.472 raeburn 5325: if ($udom eq $env{'user.domain'} && $uname eq $env{'user.name'}) {
5326: $quota = $env{'environment.portfolioquota'};
1.536 raeburn 5327: $inststatus = $env{'environment.inststatus'};
1.472 raeburn 5328: } else {
1.536 raeburn 5329: my %userenv =
5330: &Apache::lonnet::get('environment',['portfolioquota',
5331: 'inststatus'],$udom,$uname);
1.472 raeburn 5332: my ($tmp) = keys(%userenv);
5333: if ($tmp !~ /^(con_lost|error|no_such_host)/i) {
5334: $quota = $userenv{'portfolioquota'};
1.536 raeburn 5335: $inststatus = $userenv{'inststatus'};
1.472 raeburn 5336: } else {
5337: undef(%userenv);
5338: }
5339: }
1.536 raeburn 5340: ($defquota,$settingstatus) = &default_quota($udom,$inststatus);
1.472 raeburn 5341: if ($quota eq '') {
1.536 raeburn 5342: $quota = $defquota;
5343: $quotatype = 'default';
5344: } else {
5345: $quotatype = 'custom';
1.472 raeburn 5346: }
5347: }
1.536 raeburn 5348: if (wantarray) {
5349: return ($quota,$quotatype,$settingstatus,$defquota);
5350: } else {
5351: return $quota;
5352: }
1.472 raeburn 5353: }
5354:
5355: ###############################################
5356:
5357: =pod
5358:
5359: =item * &default_quota()
5360:
1.536 raeburn 5361: Retrieves default quota assigned for storage of user portfolio files,
5362: given an (optional) user's institutional status.
1.472 raeburn 5363:
5364: Incoming parameters:
5365: 1. domain
1.536 raeburn 5366: 2. (Optional) institutional status(es). This is a : separated list of
5367: status types (e.g., faculty, staff, student etc.)
5368: which apply to the user for whom the default is being retrieved.
5369: If the institutional status string in undefined, the domain
5370: default quota will be returned.
1.472 raeburn 5371:
5372: Returns:
5373: 1. Default disk quota (in Mb) for user portfolios in the domain.
1.536 raeburn 5374: 2. (Optional) institutional type which determined the value of the
5375: default quota.
1.472 raeburn 5376:
5377: If a value has been stored in the domain's configuration db,
5378: it will return that, otherwise it returns 20 (for backwards
5379: compatibility with domains which have not set up a configuration
5380: db file; the original statically defined portfolio quota was 20 Mb).
5381:
1.536 raeburn 5382: If the user's status includes multiple types (e.g., staff and student),
5383: the largest default quota which applies to the user determines the
5384: default quota returned.
5385:
1.472 raeburn 5386: =cut
5387:
5388: ###############################################
5389:
5390:
5391: sub default_quota {
1.536 raeburn 5392: my ($udom,$inststatus) = @_;
5393: my ($defquota,$settingstatus);
5394: my %quotahash = &Apache::lonnet::get_dom('configuration',
5395: ['quota'],$udom);
5396: if (ref($quotahash{'quota'}) eq 'HASH') {
5397: if ($inststatus ne '') {
5398: my @statuses = split(/:/,$inststatus);
5399: foreach my $item (@statuses) {
5400: if ($quotahash{'quota'}{$item} ne '') {
5401: if ($defquota eq '') {
5402: $defquota = $quotahash{'quota'}{$item};
5403: $settingstatus = $item;
5404: } elsif ($quotahash{'quota'}{$item} > $defquota) {
5405: $defquota = $quotahash{'quota'}{$item};
5406: $settingstatus = $item;
5407: }
5408: }
5409: }
5410: }
5411: if ($defquota eq '') {
5412: $defquota = $quotahash{'quota'}{'default'};
5413: $settingstatus = 'default';
5414: }
5415: } else {
5416: $settingstatus = 'default';
5417: $defquota = 20;
5418: }
5419: if (wantarray) {
5420: return ($defquota,$settingstatus);
1.472 raeburn 5421: } else {
1.536 raeburn 5422: return $defquota;
1.472 raeburn 5423: }
5424: }
5425:
1.384 raeburn 5426: sub get_secgrprole_info {
5427: my ($cdom,$cnum,$needroles,$type) = @_;
5428: my %sections_count = &get_sections($cdom,$cnum);
5429: my @sections = (sort {$a <=> $b} keys(%sections_count));
5430: my %curr_groups = &Apache::longroup::coursegroups($cdom,$cnum);
5431: my @groups = sort(keys(%curr_groups));
5432: my $allroles = [];
5433: my $rolehash;
5434: my $accesshash = {
5435: active => 'Currently has access',
5436: future => 'Will have future access',
5437: previous => 'Previously had access',
5438: };
5439: if ($needroles) {
5440: $rolehash = {'all' => 'all'};
1.385 albertel 5441: my %user_roles = &Apache::lonnet::dump('nohist_userroles',$cdom,$cnum);
5442: if (&Apache::lonnet::error(%user_roles)) {
5443: undef(%user_roles);
5444: }
5445: foreach my $item (keys(%user_roles)) {
1.384 raeburn 5446: my ($role)=split(/\:/,$item,2);
5447: if ($role eq 'cr') { next; }
5448: if ($role =~ /^cr/) {
5449: $$rolehash{$role} = (split('/',$role))[3];
5450: } else {
5451: $$rolehash{$role} = &Apache::lonnet::plaintext($role,$type);
5452: }
5453: }
5454: foreach my $key (sort(keys(%{$rolehash}))) {
5455: push(@{$allroles},$key);
5456: }
5457: push (@{$allroles},'st');
5458: $$rolehash{'st'} = &Apache::lonnet::plaintext('st',$type);
5459: }
5460: return (\@sections,\@groups,$allroles,$rolehash,$accesshash);
5461: }
5462:
1.112 bowersj2 5463: =pod
5464:
5465: =item * get_unprocessed_cgi($query,$possible_names)
5466:
1.258 albertel 5467: Modify the %env hash to contain unprocessed CGI form parameters held in
1.112 bowersj2 5468: $query. The parameters listed in $possible_names (an array reference),
1.258 albertel 5469: will be set in $env{'form.name'} if they do not already exist.
1.112 bowersj2 5470:
5471: Typically called with $ENV{'QUERY_STRING'} as the first parameter.
5472: $possible_names is an ref to an array of form element names. As an example:
5473: get_unprocessed_cgi($ENV{'QUERY_STRING'},['uname','udom']);
1.258 albertel 5474: will result in $env{'form.uname'} and $env{'form.udom'} being set.
1.112 bowersj2 5475:
5476: =cut
1.1 albertel 5477:
1.6 albertel 5478: sub get_unprocessed_cgi {
1.25 albertel 5479: my ($query,$possible_names)= @_;
1.26 matthew 5480: # $Apache::lonxml::debug=1;
1.356 albertel 5481: foreach my $pair (split(/&/,$query)) {
5482: my ($name, $value) = split(/=/,$pair);
1.369 www 5483: $name = &unescape($name);
1.25 albertel 5484: if (!defined($possible_names) || (grep {$_ eq $name} @$possible_names)) {
5485: $value =~ tr/+/ /;
5486: $value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg;
1.258 albertel 5487: unless (defined($env{'form.'.$name})) { &add_to_env('form.'.$name,$value) };
1.25 albertel 5488: }
1.16 harris41 5489: }
1.6 albertel 5490: }
5491:
1.112 bowersj2 5492: =pod
5493:
5494: =item * cacheheader()
5495:
5496: returns cache-controlling header code
5497:
5498: =cut
5499:
1.7 albertel 5500: sub cacheheader {
1.258 albertel 5501: unless ($env{'request.method'} eq 'GET') { return ''; }
1.216 albertel 5502: my $date=strftime("%a, %d %b %Y %H:%M:%S GMT",gmtime);
5503: my $output .='<meta HTTP-EQUIV="Expires" CONTENT="'.$date.'" />
1.7 albertel 5504: <meta HTTP-EQUIV="Cache-control" CONTENT="no-cache" />
5505: <meta HTTP-EQUIV="Pragma" CONTENT="no-cache" />';
1.216 albertel 5506: return $output;
1.7 albertel 5507: }
5508:
1.112 bowersj2 5509: =pod
5510:
5511: =item * no_cache($r)
5512:
5513: specifies header code to not have cache
5514:
5515: =cut
5516:
1.9 albertel 5517: sub no_cache {
1.216 albertel 5518: my ($r) = @_;
5519: if ($ENV{'REQUEST_METHOD'} ne 'GET' &&
1.258 albertel 5520: $env{'request.method'} ne 'GET') { return ''; }
1.216 albertel 5521: my $date=strftime("%a, %d %b %Y %H:%M:%S GMT",gmtime(time));
5522: $r->no_cache(1);
5523: $r->header_out("Expires" => $date);
5524: $r->header_out("Pragma" => "no-cache");
1.123 www 5525: }
5526:
5527: sub content_type {
1.181 albertel 5528: my ($r,$type,$charset) = @_;
1.299 foxr 5529: if ($r) {
5530: # Note that printout.pl calls this with undef for $r.
5531: &no_cache($r);
5532: }
1.258 albertel 5533: if ($env{'browser.mathml'} && $type eq 'text/html') { $type='text/xml'; }
1.181 albertel 5534: unless ($charset) {
5535: $charset=&Apache::lonlocal::current_encoding;
5536: }
5537: if ($charset) { $type.='; charset='.$charset; }
5538: if ($r) {
5539: $r->content_type($type);
5540: } else {
5541: print("Content-type: $type\n\n");
5542: }
1.9 albertel 5543: }
1.25 albertel 5544:
1.112 bowersj2 5545: =pod
5546:
5547: =item * add_to_env($name,$value)
5548:
1.258 albertel 5549: adds $name to the %env hash with value
1.112 bowersj2 5550: $value, if $name already exists, the entry is converted to an array
5551: reference and $value is added to the array.
5552:
5553: =cut
5554:
1.25 albertel 5555: sub add_to_env {
5556: my ($name,$value)=@_;
1.258 albertel 5557: if (defined($env{$name})) {
5558: if (ref($env{$name})) {
1.25 albertel 5559: #already have multiple values
1.258 albertel 5560: push(@{ $env{$name} },$value);
1.25 albertel 5561: } else {
5562: #first time seeing multiple values, convert hash entry to an arrayref
1.258 albertel 5563: my $first=$env{$name};
5564: undef($env{$name});
5565: push(@{ $env{$name} },$first,$value);
1.25 albertel 5566: }
5567: } else {
1.258 albertel 5568: $env{$name}=$value;
1.25 albertel 5569: }
1.31 albertel 5570: }
1.149 albertel 5571:
5572: =pod
5573:
5574: =item * get_env_multiple($name)
5575:
1.258 albertel 5576: gets $name from the %env hash, it seemlessly handles the cases where multiple
1.149 albertel 5577: values may be defined and end up as an array ref.
5578:
5579: returns an array of values
5580:
5581: =cut
5582:
5583: sub get_env_multiple {
5584: my ($name) = @_;
5585: my @values;
1.258 albertel 5586: if (defined($env{$name})) {
1.149 albertel 5587: # exists is it an array
1.258 albertel 5588: if (ref($env{$name})) {
5589: @values=@{ $env{$name} };
1.149 albertel 5590: } else {
1.258 albertel 5591: $values[0]=$env{$name};
1.149 albertel 5592: }
5593: }
5594: return(@values);
5595: }
5596:
1.31 albertel 5597:
1.41 ng 5598: =pod
1.45 matthew 5599:
1.464 albertel 5600: =back
1.41 ng 5601:
1.112 bowersj2 5602: =head1 CSV Upload/Handling functions
1.38 albertel 5603:
1.41 ng 5604: =over 4
5605:
1.112 bowersj2 5606: =item * upfile_store($r)
1.41 ng 5607:
5608: Store uploaded file, $r should be the HTTP Request object,
1.258 albertel 5609: needs $env{'form.upfile'}
1.41 ng 5610: returns $datatoken to be put into hidden field
5611:
5612: =cut
1.31 albertel 5613:
5614: sub upfile_store {
5615: my $r=shift;
1.258 albertel 5616: $env{'form.upfile'}=~s/\r/\n/gs;
5617: $env{'form.upfile'}=~s/\f/\n/gs;
5618: $env{'form.upfile'}=~s/\n+/\n/gs;
5619: $env{'form.upfile'}=~s/\n+$//gs;
1.31 albertel 5620:
1.258 albertel 5621: my $datatoken=$env{'user.name'}.'_'.$env{'user.domain'}.
5622: '_enroll_'.$env{'request.course.id'}.'_'.time.'_'.$$;
1.31 albertel 5623: {
1.158 raeburn 5624: my $datafile = $r->dir_config('lonDaemons').
5625: '/tmp/'.$datatoken.'.tmp';
5626: if ( open(my $fh,">$datafile") ) {
1.258 albertel 5627: print $fh $env{'form.upfile'};
1.158 raeburn 5628: close($fh);
5629: }
1.31 albertel 5630: }
5631: return $datatoken;
5632: }
5633:
1.56 matthew 5634: =pod
5635:
1.112 bowersj2 5636: =item * load_tmp_file($r)
1.41 ng 5637:
5638: Load uploaded file from tmp, $r should be the HTTP Request object,
1.258 albertel 5639: needs $env{'form.datatoken'},
5640: sets $env{'form.upfile'} to the contents of the file
1.41 ng 5641:
5642: =cut
1.31 albertel 5643:
5644: sub load_tmp_file {
5645: my $r=shift;
5646: my @studentdata=();
5647: {
1.158 raeburn 5648: my $studentfile = $r->dir_config('lonDaemons').
1.258 albertel 5649: '/tmp/'.$env{'form.datatoken'}.'.tmp';
1.158 raeburn 5650: if ( open(my $fh,"<$studentfile") ) {
5651: @studentdata=<$fh>;
5652: close($fh);
5653: }
1.31 albertel 5654: }
1.258 albertel 5655: $env{'form.upfile'}=join('',@studentdata);
1.31 albertel 5656: }
5657:
1.56 matthew 5658: =pod
5659:
1.112 bowersj2 5660: =item * upfile_record_sep()
1.41 ng 5661:
5662: Separate uploaded file into records
5663: returns array of records,
1.258 albertel 5664: needs $env{'form.upfile'} and $env{'form.upfiletype'}
1.41 ng 5665:
5666: =cut
1.31 albertel 5667:
5668: sub upfile_record_sep {
1.258 albertel 5669: if ($env{'form.upfiletype'} eq 'xml') {
1.31 albertel 5670: } else {
1.248 albertel 5671: my @records;
1.258 albertel 5672: foreach my $line (split(/\n/,$env{'form.upfile'})) {
1.248 albertel 5673: if ($line=~/^\s*$/) { next; }
5674: push(@records,$line);
5675: }
5676: return @records;
1.31 albertel 5677: }
5678: }
5679:
1.56 matthew 5680: =pod
5681:
1.112 bowersj2 5682: =item * record_sep($record)
1.41 ng 5683:
1.258 albertel 5684: Separate a record into fields $record should be an item from the upfile_record_sep(), needs $env{'form.upfiletype'}
1.41 ng 5685:
5686: =cut
5687:
1.263 www 5688: sub takeleft {
5689: my $index=shift;
5690: return substr('0000'.$index,-4,4);
5691: }
5692:
1.31 albertel 5693: sub record_sep {
5694: my $record=shift;
5695: my %components=();
1.258 albertel 5696: if ($env{'form.upfiletype'} eq 'xml') {
5697: } elsif ($env{'form.upfiletype'} eq 'space') {
1.31 albertel 5698: my $i=0;
1.356 albertel 5699: foreach my $field (split(/\s+/,$record)) {
1.31 albertel 5700: $field=~s/^(\"|\')//;
5701: $field=~s/(\"|\')$//;
1.263 www 5702: $components{&takeleft($i)}=$field;
1.31 albertel 5703: $i++;
5704: }
1.258 albertel 5705: } elsif ($env{'form.upfiletype'} eq 'tab') {
1.31 albertel 5706: my $i=0;
1.356 albertel 5707: foreach my $field (split(/\t/,$record)) {
1.31 albertel 5708: $field=~s/^(\"|\')//;
5709: $field=~s/(\"|\')$//;
1.263 www 5710: $components{&takeleft($i)}=$field;
1.31 albertel 5711: $i++;
5712: }
5713: } else {
1.480 banghart 5714: my @allfields;
5715: if ($env{'form.upfiletype'} eq 'semisv') {
1.504 albertel 5716: @allfields=split(/;/,$record,-1);
1.480 banghart 5717: } else {
1.504 albertel 5718: @allfields=split(/\,/,$record,-1);
1.480 banghart 5719: }
1.31 albertel 5720: my $i=0;
5721: my $j;
5722: for ($j=0;$j<=$#allfields;$j++) {
5723: my $field=$allfields[$j];
5724: if ($field=~/^\s*(\"|\')/) {
5725: my $delimiter=$1;
5726: while (($field!~/$delimiter$/) && ($j<$#allfields)) {
5727: $j++;
5728: $field.=','.$allfields[$j];
5729: }
5730: $field=~s/^\s*$delimiter//;
5731: $field=~s/$delimiter\s*$//;
5732: }
1.263 www 5733: $components{&takeleft($i)}=$field;
1.31 albertel 5734: $i++;
5735: }
5736: }
5737: return %components;
5738: }
5739:
1.144 matthew 5740: ######################################################
5741: ######################################################
5742:
1.56 matthew 5743: =pod
5744:
1.112 bowersj2 5745: =item * upfile_select_html()
1.41 ng 5746:
1.144 matthew 5747: Return HTML code to select a file from the users machine and specify
5748: the file type.
1.41 ng 5749:
5750: =cut
5751:
1.144 matthew 5752: ######################################################
5753: ######################################################
1.31 albertel 5754: sub upfile_select_html {
1.144 matthew 5755: my %Types = (
5756: csv => &mt('CSV (comma separated values, spreadsheet)'),
1.480 banghart 5757: semisv => &mt('Semicolon separated values'),
1.144 matthew 5758: space => &mt('Space separated'),
5759: tab => &mt('Tabulator separated'),
5760: # xml => &mt('HTML/XML'),
5761: );
5762: my $Str = '<input type="file" name="upfile" size="50" />'.
5763: '<br />Type: <select name="upfiletype">';
5764: foreach my $type (sort(keys(%Types))) {
5765: $Str .= '<option value="'.$type.'" >'.$Types{$type}."</option>\n";
5766: }
5767: $Str .= "</select>\n";
5768: return $Str;
1.31 albertel 5769: }
5770:
1.301 albertel 5771: sub get_samples {
5772: my ($records,$toget) = @_;
5773: my @samples=({});
5774: my $got=0;
5775: foreach my $rec (@$records) {
5776: my %temp = &record_sep($rec);
5777: if (! grep(/\S/, values(%temp))) { next; }
5778: if (%temp) {
5779: $samples[$got]=\%temp;
5780: $got++;
5781: if ($got == $toget) { last; }
5782: }
5783: }
5784: return \@samples;
5785: }
5786:
1.144 matthew 5787: ######################################################
5788: ######################################################
5789:
1.56 matthew 5790: =pod
5791:
1.112 bowersj2 5792: =item * csv_print_samples($r,$records)
1.41 ng 5793:
5794: Prints a table of sample values from each column uploaded $r is an
5795: Apache Request ref, $records is an arrayref from
5796: &Apache::loncommon::upfile_record_sep
5797:
5798: =cut
5799:
1.144 matthew 5800: ######################################################
5801: ######################################################
1.31 albertel 5802: sub csv_print_samples {
5803: my ($r,$records) = @_;
1.301 albertel 5804: my $samples = &get_samples($records,3);
5805:
1.144 matthew 5806: $r->print(&mt('Samples').'<br /><table border="2"><tr>');
1.356 albertel 5807: foreach my $sample (sort({$a <=> $b} keys(%{ $samples->[0] }))) {
5808: $r->print('<th>'.&mt('Column [_1]',($sample+1)).'</th>'); }
1.31 albertel 5809: $r->print('</tr>');
1.301 albertel 5810: foreach my $hash (@$samples) {
1.31 albertel 5811: $r->print('<tr>');
1.356 albertel 5812: foreach my $sample (sort({$a <=> $b} keys(%{ $samples->[0] }))) {
1.31 albertel 5813: $r->print('<td>');
1.356 albertel 5814: if (defined($$hash{$sample})) { $r->print($$hash{$sample}); }
1.31 albertel 5815: $r->print('</td>');
5816: }
5817: $r->print('</tr>');
5818: }
5819: $r->print('</tr></table><br />'."\n");
5820: }
5821:
1.144 matthew 5822: ######################################################
5823: ######################################################
5824:
1.56 matthew 5825: =pod
5826:
1.112 bowersj2 5827: =item * csv_print_select_table($r,$records,$d)
1.41 ng 5828:
5829: Prints a table to create associations between values and table columns.
1.144 matthew 5830:
1.41 ng 5831: $r is an Apache Request ref,
5832: $records is an arrayref from &Apache::loncommon::upfile_record_sep,
1.174 matthew 5833: $d is an array of 2 element arrays (internal name, displayed name,defaultcol)
1.41 ng 5834:
5835: =cut
5836:
1.144 matthew 5837: ######################################################
5838: ######################################################
1.31 albertel 5839: sub csv_print_select_table {
5840: my ($r,$records,$d) = @_;
1.301 albertel 5841: my $i=0;
5842: my $samples = &get_samples($records,1);
1.144 matthew 5843: $r->print(&mt('Associate columns with student attributes.')."\n".
5844: '<table border="2"><tr>'.
5845: '<th>'.&mt('Attribute').'</th>'.
5846: '<th>'.&mt('Column').'</th></tr>'."\n");
1.356 albertel 5847: foreach my $array_ref (@$d) {
5848: my ($value,$display,$defaultcol)=@{ $array_ref };
1.31 albertel 5849: $r->print('<tr><td>'.$display.'</td>');
5850:
5851: $r->print('<td><select name=f'.$i.
1.32 matthew 5852: ' onchange="javascript:flip(this.form,'.$i.');">');
1.31 albertel 5853: $r->print('<option value="none"></option>');
1.356 albertel 5854: foreach my $sample (sort({$a <=> $b} keys(%{ $samples->[0] }))) {
5855: $r->print('<option value="'.$sample.'"'.
5856: ($sample eq $defaultcol ? ' selected="selected" ' : '').
5857: '>Column '.($sample+1).'</option>');
1.31 albertel 5858: }
5859: $r->print('</select></td></tr>'."\n");
5860: $i++;
5861: }
5862: $i--;
5863: return $i;
5864: }
1.56 matthew 5865:
1.144 matthew 5866: ######################################################
5867: ######################################################
5868:
1.56 matthew 5869: =pod
1.31 albertel 5870:
1.112 bowersj2 5871: =item * csv_samples_select_table($r,$records,$d)
1.41 ng 5872:
5873: Prints a table of sample values from the upload and can make associate samples to internal names.
5874:
5875: $r is an Apache Request ref,
5876: $records is an arrayref from &Apache::loncommon::upfile_record_sep,
5877: $d is an array of 2 element arrays (internal name, displayed name)
5878:
5879: =cut
5880:
1.144 matthew 5881: ######################################################
5882: ######################################################
1.31 albertel 5883: sub csv_samples_select_table {
5884: my ($r,$records,$d) = @_;
5885: my $i=0;
1.144 matthew 5886: #
1.301 albertel 5887: my $samples = &get_samples($records,3);
1.144 matthew 5888: $r->print('<table border=2><tr><th>'.
5889: &mt('Field').'</th><th>'.&mt('Samples').'</th></tr>');
1.301 albertel 5890:
5891: foreach my $key (sort(keys(%{ $samples->[0] }))) {
1.144 matthew 5892: $r->print('<tr><td><select name="f'.$i.'"'.
1.32 matthew 5893: ' onchange="javascript:flip(this.form,'.$i.');">');
1.301 albertel 5894: foreach my $option (@$d) {
5895: my ($value,$display,$defaultcol)=@{ $option };
1.174 matthew 5896: $r->print('<option value="'.$value.'"'.
1.253 albertel 5897: ($i eq $defaultcol ? ' selected="selected" ':'').'>'.
1.174 matthew 5898: $display.'</option>');
1.31 albertel 5899: }
5900: $r->print('</select></td><td>');
1.301 albertel 5901: foreach my $line (0..2) {
5902: if (defined($samples->[$line]{$key})) {
5903: $r->print($samples->[$line]{$key}."<br />\n");
5904: }
5905: }
1.31 albertel 5906: $r->print('</td></tr>');
5907: $i++;
5908: }
5909: $i--;
5910: return($i);
1.115 matthew 5911: }
5912:
1.144 matthew 5913: ######################################################
5914: ######################################################
5915:
1.115 matthew 5916: =pod
5917:
5918: =item clean_excel_name($name)
5919:
5920: Returns a replacement for $name which does not contain any illegal characters.
5921:
5922: =cut
5923:
1.144 matthew 5924: ######################################################
5925: ######################################################
1.115 matthew 5926: sub clean_excel_name {
5927: my ($name) = @_;
5928: $name =~ s/[:\*\?\/\\]//g;
5929: if (length($name) > 31) {
5930: $name = substr($name,0,31);
5931: }
5932: return $name;
1.25 albertel 5933: }
1.84 albertel 5934:
1.85 albertel 5935: =pod
5936:
1.112 bowersj2 5937: =item * check_if_partid_hidden($id,$symb,$udom,$uname)
1.85 albertel 5938:
5939: Returns either 1 or undef
5940:
5941: 1 if the part is to be hidden, undef if it is to be shown
5942:
5943: Arguments are:
5944:
5945: $id the id of the part to be checked
5946: $symb, optional the symb of the resource to check
5947: $udom, optional the domain of the user to check for
5948: $uname, optional the username of the user to check for
5949:
5950: =cut
1.84 albertel 5951:
5952: sub check_if_partid_hidden {
5953: my ($id,$symb,$udom,$uname) = @_;
1.133 albertel 5954: my $hiddenparts=&Apache::lonnet::EXT('resource.0.hiddenparts',
1.84 albertel 5955: $symb,$udom,$uname);
1.141 albertel 5956: my $truth=1;
5957: #if the string starts with !, then the list is the list to show not hide
5958: if ($hiddenparts=~s/^\s*!//) { $truth=undef; }
1.84 albertel 5959: my @hiddenlist=split(/,/,$hiddenparts);
5960: foreach my $checkid (@hiddenlist) {
1.141 albertel 5961: if ($checkid =~ /^\s*\Q$id\E\s*$/) { return $truth; }
1.84 albertel 5962: }
1.141 albertel 5963: return !$truth;
1.84 albertel 5964: }
1.127 matthew 5965:
1.138 matthew 5966:
5967: ############################################################
5968: ############################################################
5969:
5970: =pod
5971:
1.157 matthew 5972: =back
5973:
1.138 matthew 5974: =head1 cgi-bin script and graphing routines
5975:
1.157 matthew 5976: =over 4
5977:
1.138 matthew 5978: =item get_cgi_id
5979:
5980: Inputs: none
5981:
5982: Returns an id which can be used to pass environment variables
5983: to various cgi-bin scripts. These environment variables will
5984: be removed from the users environment after a given time by
5985: the routine &Apache::lonnet::transfer_profile_to_env.
5986:
5987: =cut
5988:
5989: ############################################################
5990: ############################################################
1.152 albertel 5991: my $uniq=0;
1.136 matthew 5992: sub get_cgi_id {
1.154 albertel 5993: $uniq=($uniq+1)%100000;
1.280 albertel 5994: return (time.'_'.$$.'_'.$uniq);
1.136 matthew 5995: }
5996:
1.127 matthew 5997: ############################################################
5998: ############################################################
5999:
6000: =pod
6001:
1.134 matthew 6002: =item DrawBarGraph
1.127 matthew 6003:
1.138 matthew 6004: Facilitates the plotting of data in a (stacked) bar graph.
6005: Puts plot definition data into the users environment in order for
6006: graph.png to plot it. Returns an <img> tag for the plot.
6007: The bars on the plot are labeled '1','2',...,'n'.
6008:
6009: Inputs:
6010:
6011: =over 4
6012:
6013: =item $Title: string, the title of the plot
6014:
6015: =item $xlabel: string, text describing the X-axis of the plot
6016:
6017: =item $ylabel: string, text describing the Y-axis of the plot
6018:
6019: =item $Max: scalar, the maximum Y value to use in the plot
6020: If $Max is < any data point, the graph will not be rendered.
6021:
1.140 matthew 6022: =item $colors: array ref holding the colors to be used for the data sets when
1.138 matthew 6023: they are plotted. If undefined, default values will be used.
6024:
1.178 matthew 6025: =item $labels: array ref holding the labels to use on the x-axis for the bars.
6026:
1.138 matthew 6027: =item @Values: An array of array references. Each array reference holds data
6028: to be plotted in a stacked bar chart.
6029:
1.239 matthew 6030: =item If the final element of @Values is a hash reference the key/value
6031: pairs will be added to the graph definition.
6032:
1.138 matthew 6033: =back
6034:
6035: Returns:
6036:
6037: An <img> tag which references graph.png and the appropriate identifying
6038: information for the plot.
6039:
1.127 matthew 6040: =cut
6041:
6042: ############################################################
6043: ############################################################
1.134 matthew 6044: sub DrawBarGraph {
1.178 matthew 6045: my ($Title,$xlabel,$ylabel,$Max,$colors,$labels,@Values)=@_;
1.134 matthew 6046: #
6047: if (! defined($colors)) {
6048: $colors = ['#33ff00',
6049: '#0033cc', '#990000', '#aaaa66', '#663399', '#ff9933',
6050: '#66ccff', '#ff9999', '#cccc33', '#660000', '#33cc66',
6051: ];
6052: }
1.228 matthew 6053: my $extra_settings = {};
6054: if (ref($Values[-1]) eq 'HASH') {
6055: $extra_settings = pop(@Values);
6056: }
1.127 matthew 6057: #
1.136 matthew 6058: my $identifier = &get_cgi_id();
6059: my $id = 'cgi.'.$identifier;
1.129 matthew 6060: if (! @Values || ref($Values[0]) ne 'ARRAY') {
1.127 matthew 6061: return '';
6062: }
1.225 matthew 6063: #
6064: my @Labels;
6065: if (defined($labels)) {
6066: @Labels = @$labels;
6067: } else {
6068: for (my $i=0;$i<@{$Values[0]};$i++) {
6069: push (@Labels,$i+1);
6070: }
6071: }
6072: #
1.129 matthew 6073: my $NumBars = scalar(@{$Values[0]});
1.225 matthew 6074: if ($NumBars < scalar(@Labels)) { $NumBars = scalar(@Labels); }
1.129 matthew 6075: my %ValuesHash;
6076: my $NumSets=1;
6077: foreach my $array (@Values) {
6078: next if (! ref($array));
1.136 matthew 6079: $ValuesHash{$id.'.data.'.$NumSets++} =
1.132 matthew 6080: join(',',@$array);
1.129 matthew 6081: }
1.127 matthew 6082: #
1.136 matthew 6083: my ($height,$width,$xskip,$bar_width) = (200,120,1,15);
1.225 matthew 6084: if ($NumBars < 3) {
6085: $width = 120+$NumBars*32;
1.220 matthew 6086: $xskip = 1;
1.225 matthew 6087: $bar_width = 30;
6088: } elsif ($NumBars < 5) {
6089: $width = 120+$NumBars*20;
6090: $xskip = 1;
6091: $bar_width = 20;
1.220 matthew 6092: } elsif ($NumBars < 10) {
1.136 matthew 6093: $width = 120+$NumBars*15;
6094: $xskip = 1;
6095: $bar_width = 15;
6096: } elsif ($NumBars <= 25) {
6097: $width = 120+$NumBars*11;
6098: $xskip = 5;
6099: $bar_width = 8;
6100: } elsif ($NumBars <= 50) {
6101: $width = 120+$NumBars*8;
6102: $xskip = 5;
6103: $bar_width = 4;
6104: } else {
6105: $width = 120+$NumBars*8;
6106: $xskip = 5;
6107: $bar_width = 4;
6108: }
6109: #
1.137 matthew 6110: $Max = 1 if ($Max < 1);
6111: if ( int($Max) < $Max ) {
6112: $Max++;
6113: $Max = int($Max);
6114: }
1.127 matthew 6115: $Title = '' if (! defined($Title));
6116: $xlabel = '' if (! defined($xlabel));
6117: $ylabel = '' if (! defined($ylabel));
1.369 www 6118: $ValuesHash{$id.'.title'} = &escape($Title);
6119: $ValuesHash{$id.'.xlabel'} = &escape($xlabel);
6120: $ValuesHash{$id.'.ylabel'} = &escape($ylabel);
1.137 matthew 6121: $ValuesHash{$id.'.y_max_value'} = $Max;
1.136 matthew 6122: $ValuesHash{$id.'.NumBars'} = $NumBars;
6123: $ValuesHash{$id.'.NumSets'} = $NumSets;
6124: $ValuesHash{$id.'.PlotType'} = 'bar';
6125: $ValuesHash{$id.'.Colors'} = join(',',@{$colors});
6126: $ValuesHash{$id.'.height'} = $height;
6127: $ValuesHash{$id.'.width'} = $width;
6128: $ValuesHash{$id.'.xskip'} = $xskip;
6129: $ValuesHash{$id.'.bar_width'} = $bar_width;
6130: $ValuesHash{$id.'.labels'} = join(',',@Labels);
1.127 matthew 6131: #
1.228 matthew 6132: # Deal with other parameters
6133: while (my ($key,$value) = each(%$extra_settings)) {
6134: $ValuesHash{$id.'.'.$key} = $value;
6135: }
6136: #
1.137 matthew 6137: &Apache::lonnet::appenv(%ValuesHash);
6138: return '<img src="/cgi-bin/graph.png?'.$identifier.'" border="1" />';
6139: }
6140:
6141: ############################################################
6142: ############################################################
6143:
6144: =pod
6145:
6146: =item DrawXYGraph
6147:
1.138 matthew 6148: Facilitates the plotting of data in an XY graph.
6149: Puts plot definition data into the users environment in order for
6150: graph.png to plot it. Returns an <img> tag for the plot.
6151:
6152: Inputs:
6153:
6154: =over 4
6155:
6156: =item $Title: string, the title of the plot
6157:
6158: =item $xlabel: string, text describing the X-axis of the plot
6159:
6160: =item $ylabel: string, text describing the Y-axis of the plot
6161:
6162: =item $Max: scalar, the maximum Y value to use in the plot
6163: If $Max is < any data point, the graph will not be rendered.
6164:
6165: =item $colors: Array ref containing the hex color codes for the data to be
6166: plotted in. If undefined, default values will be used.
6167:
6168: =item $Xlabels: Array ref containing the labels to be used for the X-axis.
6169:
6170: =item $Ydata: Array ref containing Array refs.
1.185 www 6171: Each of the contained arrays will be plotted as a separate curve.
1.138 matthew 6172:
6173: =item %Values: hash indicating or overriding any default values which are
6174: passed to graph.png.
6175: Possible values are: width, xskip, x_ticks, x_tick_offset, among others.
6176:
6177: =back
6178:
6179: Returns:
6180:
6181: An <img> tag which references graph.png and the appropriate identifying
6182: information for the plot.
6183:
1.137 matthew 6184: =cut
6185:
6186: ############################################################
6187: ############################################################
6188: sub DrawXYGraph {
6189: my ($Title,$xlabel,$ylabel,$Max,$colors,$Xlabels,$Ydata,%Values)=@_;
6190: #
6191: # Create the identifier for the graph
6192: my $identifier = &get_cgi_id();
6193: my $id = 'cgi.'.$identifier;
6194: #
6195: $Title = '' if (! defined($Title));
6196: $xlabel = '' if (! defined($xlabel));
6197: $ylabel = '' if (! defined($ylabel));
6198: my %ValuesHash =
6199: (
1.369 www 6200: $id.'.title' => &escape($Title),
6201: $id.'.xlabel' => &escape($xlabel),
6202: $id.'.ylabel' => &escape($ylabel),
1.137 matthew 6203: $id.'.y_max_value'=> $Max,
6204: $id.'.labels' => join(',',@$Xlabels),
6205: $id.'.PlotType' => 'XY',
6206: );
6207: #
6208: if (defined($colors) && ref($colors) eq 'ARRAY') {
6209: $ValuesHash{$id.'.Colors'} = join(',',@{$colors});
6210: }
6211: #
6212: if (! ref($Ydata) || ref($Ydata) ne 'ARRAY') {
6213: return '';
6214: }
6215: my $NumSets=1;
1.138 matthew 6216: foreach my $array (@{$Ydata}){
1.137 matthew 6217: next if (! ref($array));
6218: $ValuesHash{$id.'.data.'.$NumSets++} = join(',',@$array);
6219: }
1.138 matthew 6220: $ValuesHash{$id.'.NumSets'} = $NumSets-1;
1.137 matthew 6221: #
6222: # Deal with other parameters
6223: while (my ($key,$value) = each(%Values)) {
6224: $ValuesHash{$id.'.'.$key} = $value;
1.127 matthew 6225: }
6226: #
1.136 matthew 6227: &Apache::lonnet::appenv(%ValuesHash);
6228: return '<img src="/cgi-bin/graph.png?'.$identifier.'" border="1" />';
6229: }
6230:
6231: ############################################################
6232: ############################################################
6233:
6234: =pod
6235:
1.138 matthew 6236: =item DrawXYYGraph
6237:
6238: Facilitates the plotting of data in an XY graph with two Y axes.
6239: Puts plot definition data into the users environment in order for
6240: graph.png to plot it. Returns an <img> tag for the plot.
6241:
6242: Inputs:
6243:
6244: =over 4
6245:
6246: =item $Title: string, the title of the plot
6247:
6248: =item $xlabel: string, text describing the X-axis of the plot
6249:
6250: =item $ylabel: string, text describing the Y-axis of the plot
6251:
6252: =item $colors: Array ref containing the hex color codes for the data to be
6253: plotted in. If undefined, default values will be used.
6254:
6255: =item $Xlabels: Array ref containing the labels to be used for the X-axis.
6256:
6257: =item $Ydata1: The first data set
6258:
6259: =item $Min1: The minimum value of the left Y-axis
6260:
6261: =item $Max1: The maximum value of the left Y-axis
6262:
6263: =item $Ydata2: The second data set
6264:
6265: =item $Min2: The minimum value of the right Y-axis
6266:
6267: =item $Max2: The maximum value of the left Y-axis
6268:
6269: =item %Values: hash indicating or overriding any default values which are
6270: passed to graph.png.
6271: Possible values are: width, xskip, x_ticks, x_tick_offset, among others.
6272:
6273: =back
6274:
6275: Returns:
6276:
6277: An <img> tag which references graph.png and the appropriate identifying
6278: information for the plot.
1.136 matthew 6279:
6280: =cut
6281:
6282: ############################################################
6283: ############################################################
1.137 matthew 6284: sub DrawXYYGraph {
6285: my ($Title,$xlabel,$ylabel,$colors,$Xlabels,$Ydata1,$Min1,$Max1,
6286: $Ydata2,$Min2,$Max2,%Values)=@_;
1.136 matthew 6287: #
6288: # Create the identifier for the graph
6289: my $identifier = &get_cgi_id();
6290: my $id = 'cgi.'.$identifier;
6291: #
6292: $Title = '' if (! defined($Title));
6293: $xlabel = '' if (! defined($xlabel));
6294: $ylabel = '' if (! defined($ylabel));
6295: my %ValuesHash =
6296: (
1.369 www 6297: $id.'.title' => &escape($Title),
6298: $id.'.xlabel' => &escape($xlabel),
6299: $id.'.ylabel' => &escape($ylabel),
1.136 matthew 6300: $id.'.labels' => join(',',@$Xlabels),
6301: $id.'.PlotType' => 'XY',
6302: $id.'.NumSets' => 2,
1.137 matthew 6303: $id.'.two_axes' => 1,
6304: $id.'.y1_max_value' => $Max1,
6305: $id.'.y1_min_value' => $Min1,
6306: $id.'.y2_max_value' => $Max2,
6307: $id.'.y2_min_value' => $Min2,
1.136 matthew 6308: );
6309: #
1.137 matthew 6310: if (defined($colors) && ref($colors) eq 'ARRAY') {
6311: $ValuesHash{$id.'.Colors'} = join(',',@{$colors});
6312: }
6313: #
6314: if (! ref($Ydata1) || ref($Ydata1) ne 'ARRAY' ||
6315: ! ref($Ydata2) || ref($Ydata2) ne 'ARRAY'){
1.136 matthew 6316: return '';
6317: }
6318: my $NumSets=1;
1.137 matthew 6319: foreach my $array ($Ydata1,$Ydata2){
1.136 matthew 6320: next if (! ref($array));
6321: $ValuesHash{$id.'.data.'.$NumSets++} = join(',',@$array);
1.137 matthew 6322: }
6323: #
6324: # Deal with other parameters
6325: while (my ($key,$value) = each(%Values)) {
6326: $ValuesHash{$id.'.'.$key} = $value;
1.136 matthew 6327: }
6328: #
6329: &Apache::lonnet::appenv(%ValuesHash);
1.130 albertel 6330: return '<img src="/cgi-bin/graph.png?'.$identifier.'" border="1" />';
1.139 matthew 6331: }
6332:
6333: ############################################################
6334: ############################################################
6335:
6336: =pod
6337:
1.157 matthew 6338: =back
6339:
1.139 matthew 6340: =head1 Statistics helper routines?
6341:
6342: Bad place for them but what the hell.
6343:
1.157 matthew 6344: =over 4
6345:
1.139 matthew 6346: =item &chartlink
6347:
6348: Returns a link to the chart for a specific student.
6349:
6350: Inputs:
6351:
6352: =over 4
6353:
6354: =item $linktext: The text of the link
6355:
6356: =item $sname: The students username
6357:
6358: =item $sdomain: The students domain
6359:
6360: =back
6361:
1.157 matthew 6362: =back
6363:
1.139 matthew 6364: =cut
6365:
6366: ############################################################
6367: ############################################################
6368: sub chartlink {
6369: my ($linktext, $sname, $sdomain) = @_;
6370: my $link = '<a href="/adm/statistics?reportSelected=student_assessment'.
1.369 www 6371: '&SelectedStudent='.&escape($sname.':'.$sdomain).
1.219 albertel 6372: '&chartoutputmode='.HTML::Entities::encode('html, with all links').
1.139 matthew 6373: '">'.$linktext.'</a>';
1.153 matthew 6374: }
6375:
6376: #######################################################
6377: #######################################################
6378:
6379: =pod
6380:
6381: =head1 Course Environment Routines
1.157 matthew 6382:
6383: =over 4
1.153 matthew 6384:
6385: =item &restore_course_settings
6386:
6387: =item &store_course_settings
6388:
6389: Restores/Store indicated form parameters from the course environment.
6390: Will not overwrite existing values of the form parameters.
6391:
6392: Inputs:
6393: a scalar describing the data (e.g. 'chart', 'problem_analysis')
6394:
6395: a hash ref describing the data to be stored. For example:
6396:
6397: %Save_Parameters = ('Status' => 'scalar',
6398: 'chartoutputmode' => 'scalar',
6399: 'chartoutputdata' => 'scalar',
6400: 'Section' => 'array',
1.373 raeburn 6401: 'Group' => 'array',
1.153 matthew 6402: 'StudentData' => 'array',
6403: 'Maps' => 'array');
6404:
6405: Returns: both routines return nothing
6406:
6407: =cut
6408:
6409: #######################################################
6410: #######################################################
6411: sub store_course_settings {
1.496 albertel 6412: return &store_settings($env{'request.course.id'},@_);
6413: }
6414:
6415: sub store_settings {
1.153 matthew 6416: # save to the environment
6417: # appenv the same items, just to be safe
1.300 albertel 6418: my $udom = $env{'user.domain'};
6419: my $uname = $env{'user.name'};
1.496 albertel 6420: my ($context,$prefix,$Settings) = @_;
1.153 matthew 6421: my %SaveHash;
6422: my %AppHash;
6423: while (my ($setting,$type) = each(%$Settings)) {
1.496 albertel 6424: my $basename = join('.','internal',$context,$prefix,$setting);
1.300 albertel 6425: my $envname = 'environment.'.$basename;
1.258 albertel 6426: if (exists($env{'form.'.$setting})) {
1.153 matthew 6427: # Save this value away
6428: if ($type eq 'scalar' &&
1.258 albertel 6429: (! exists($env{$envname}) ||
6430: $env{$envname} ne $env{'form.'.$setting})) {
6431: $SaveHash{$basename} = $env{'form.'.$setting};
6432: $AppHash{$envname} = $env{'form.'.$setting};
1.153 matthew 6433: } elsif ($type eq 'array') {
6434: my $stored_form;
1.258 albertel 6435: if (ref($env{'form.'.$setting})) {
1.153 matthew 6436: $stored_form = join(',',
6437: map {
1.369 www 6438: &escape($_);
1.258 albertel 6439: } sort(@{$env{'form.'.$setting}}));
1.153 matthew 6440: } else {
6441: $stored_form =
1.369 www 6442: &escape($env{'form.'.$setting});
1.153 matthew 6443: }
6444: # Determine if the array contents are the same.
1.258 albertel 6445: if ($stored_form ne $env{$envname}) {
1.153 matthew 6446: $SaveHash{$basename} = $stored_form;
6447: $AppHash{$envname} = $stored_form;
6448: }
6449: }
6450: }
6451: }
6452: my $put_result = &Apache::lonnet::put('environment',\%SaveHash,
1.300 albertel 6453: $udom,$uname);
1.153 matthew 6454: if ($put_result !~ /^(ok|delayed)/) {
6455: &Apache::lonnet::logthis('unable to save form parameters, '.
6456: 'got error:'.$put_result);
6457: }
6458: # Make sure these settings stick around in this session, too
6459: &Apache::lonnet::appenv(%AppHash);
6460: return;
6461: }
6462:
6463: sub restore_course_settings {
1.499 albertel 6464: return &restore_settings($env{'request.course.id'},@_);
1.496 albertel 6465: }
6466:
6467: sub restore_settings {
6468: my ($context,$prefix,$Settings) = @_;
1.153 matthew 6469: while (my ($setting,$type) = each(%$Settings)) {
1.258 albertel 6470: next if (exists($env{'form.'.$setting}));
1.496 albertel 6471: my $envname = 'environment.internal.'.$context.'.'.$prefix.
1.153 matthew 6472: '.'.$setting;
1.258 albertel 6473: if (exists($env{$envname})) {
1.153 matthew 6474: if ($type eq 'scalar') {
1.258 albertel 6475: $env{'form.'.$setting} = $env{$envname};
1.153 matthew 6476: } elsif ($type eq 'array') {
1.258 albertel 6477: $env{'form.'.$setting} = [
1.153 matthew 6478: map {
1.369 www 6479: &unescape($_);
1.258 albertel 6480: } split(',',$env{$envname})
1.153 matthew 6481: ];
6482: }
6483: }
6484: }
1.127 matthew 6485: }
6486:
6487: ############################################################
6488: ############################################################
1.154 albertel 6489:
1.443 albertel 6490: sub commit_customrole {
6491: my ($udom,$uname,$url,$three,$four,$five,$start,$end) = @_;
6492: my $output = &mt('Assigning custom role').' "'.$five.'" by '.$four.'@'.$three.' in '.$url.
6493: ($start?', '.&mt('starting').' '.localtime($start):'').
6494: ($end?', ending '.localtime($end):'').': <b>'.
6495: &Apache::lonnet::assigncustomrole(
6496: $udom,$uname,$url,$three,$four,$five,$end,$start).
6497: '</b><br />';
6498: return $output;
6499: }
6500:
6501: sub commit_standardrole {
1.541 raeburn 6502: my ($udom,$uname,$url,$three,$start,$end,$one,$two,$sec,$context) = @_;
6503: my ($output,$logmsg,$linefeed);
6504: if ($context eq 'auto') {
6505: $linefeed = "\n";
6506: } else {
6507: $linefeed = "<br />\n";
6508: }
1.443 albertel 6509: if ($three eq 'st') {
1.541 raeburn 6510: my $result = &commit_studentrole(\$logmsg,$udom,$uname,$url,$three,$start,$end,
6511: $one,$two,$sec,$context);
6512: if (($result =~ /^error/) || ($result eq 'not_in_class') ||
6513: ($result eq 'unknown_course')) {
1.443 albertel 6514: $output = "Error: $result\n";
6515: } else {
1.541 raeburn 6516: $output = $logmsg.$linefeed.&mt('Assigning').' '.$three.' in '.$url.
1.443 albertel 6517: ($start?', '.&mt('starting').' '.localtime($start):'').
1.541 raeburn 6518: ($end?', '.&mt('ending').' '.localtime($end):'').': ';
6519: if ($context eq 'auto') {
6520: $output .= $result.$linefeed.&mt('Add to classlist').': ok';
6521: } else {
6522: $output .= '<b>'.$result.'</b>'.$linefeed.
6523: &mt('Add to classlist').': <b>ok</b>';
6524: }
6525: $output .= $linefeed;
1.443 albertel 6526: }
6527: } else {
6528: $output = &mt('Assigning').' '.$three.' in '.$url.
6529: ($start?', '.&mt('starting').' '.localtime($start):'').
1.541 raeburn 6530: ($end?', '.&mt('ending').' '.localtime($end):'').': ';
6531: my $result = &Apache::lonnet::assignrole($udom,$uname,$url,$three,$end,$start);
6532: if ($context eq 'auto') {
6533: $output .= $result.$linefeed;
6534: } else {
6535: $output .= '<b>'.$result.'</b>'.$linefeed;
6536: }
1.443 albertel 6537: }
6538: return $output;
6539: }
6540:
6541: sub commit_studentrole {
1.541 raeburn 6542: my ($logmsg,$udom,$uname,$url,$three,$start,$end,$one,$two,$sec,$context) = @_;
6543: my ($result,$linefeed);
6544: if ($context eq 'auto') {
6545: $linefeed = "\n";
6546: } else {
6547: $linefeed = '<br />'."\n";
6548: }
1.443 albertel 6549: if (defined($one) && defined($two)) {
6550: my $cid=$one.'_'.$two;
6551: my $oldsec=&Apache::lonnet::getsection($udom,$uname,$cid);
6552: my $secchange = 0;
6553: my $expire_role_result;
6554: my $modify_section_result;
6555: unless ($oldsec eq '-1') {
6556: unless ($sec eq $oldsec) {
6557: $secchange = 1;
6558: my $uurl='/'.$cid;
6559: $uurl=~s/\_/\//g;
6560: if ($oldsec) {
6561: $uurl.='/'.$oldsec;
6562: }
6563: $expire_role_result = &Apache::lonnet::assignrole($udom,$uname,$uurl,'st',time);
6564: $result = $expire_role_result;
6565: }
6566: }
6567: if (($expire_role_result eq 'ok') || ($secchange == 0)) {
6568: $modify_section_result = &Apache::lonnet::modify_student_enrollment($udom,$uname,undef,undef,undef,undef,undef,$sec,$end,$start,'','',$cid);
6569: if ($modify_section_result =~ /^ok/) {
6570: if ($secchange == 1) {
6571: $$logmsg .= "Section for $uname switched from old section: $oldsec to new section: $sec".$linefeed;
6572: } elsif ($oldsec eq '-1') {
6573: $$logmsg .= "New student role for $uname in section $sec in course $cid".$linefeed;
6574: } else {
6575: $$logmsg .= "Student $uname assigned to unchanged section $sec in course $cid".$linefeed;
6576: }
6577: } else {
6578: $$logmsg .= "Error when attempting section change for $uname from old section $oldsec to new section: $sec in course $cid -error: $modify_section_result".$linefeed;
6579: }
6580: $result = $modify_section_result;
6581: } elsif ($secchange == 1) {
6582: $$logmsg .= "Error when attempting to expire role for $uname in old section $oldsec in course $cid -error: $expire_role_result".$linefeed;
6583: }
6584: } else {
6585: $$logmsg .= "Incomplete course id defined. Addition of user $uname from domain $udom to course $one\_$two, section $sec not completed.$linefeed";
6586: $result = "error: incomplete course id\n";
6587: }
6588: return $result;
6589: }
6590:
6591: ############################################################
6592: ############################################################
6593:
1.444 albertel 6594: sub construct_course {
1.541 raeburn 6595: my ($args,$logmsg,$courseid,$crsudom,$crsunum,$udom,$uname,$context) = @_;
1.444 albertel 6596: my $outcome;
1.541 raeburn 6597: my $linefeed = '<br />'."\n";
6598: if ($context eq 'auto') {
6599: $linefeed = "\n";
6600: }
1.444 albertel 6601: #
6602: # Open course
6603: #
6604: my $crstype = lc($args->{'crstype'});
6605: my %cenv=();
6606: $$courseid=&Apache::lonnet::createcourse($args->{'course_domain'},
6607: $args->{'cdescr'},
6608: $args->{'curl'},
6609: $args->{'course_home'},
6610: $args->{'nonstandard'},
6611: $args->{'crscode'},
6612: $args->{'ccuname'}.':'.
6613: $args->{'ccdomain'},
6614: $args->{'crstype'});
6615:
6616: # Note: The testing routines depend on this being output; see
6617: # Utils::Course. This needs to at least be output as a comment
6618: # if anyone ever decides to not show this, and Utils::Course::new
6619: # will need to be suitably modified.
1.541 raeburn 6620: $outcome .= &mt('New LON-CAPA [_1] ID: [_2]',$crstype,$$courseid).$linefeed;
6621:
1.444 albertel 6622: #
6623: # Check if created correctly
6624: #
1.479 albertel 6625: ($$crsudom,$$crsunum)= &LONCAPA::split_courseid($$courseid);
1.444 albertel 6626: my $crsuhome=&Apache::lonnet::homeserver($$crsunum,$$crsudom);
1.541 raeburn 6627: $outcome .= &mt('Created on').': '.$crsuhome.$linefeed;
1.444 albertel 6628: #
6629: # Are we cloning?
6630: #
6631: my $cloneid='';
6632: if (($args->{'clonecourse'}) && ($args->{'clonedomain'})) {
1.541 raeburn 6633: my $can_clone = 0;
1.444 albertel 6634: $cloneid='/'.$args->{'clonedomain'}.'/'.$args->{'clonecourse'};
1.479 albertel 6635: my ($clonecrsudom,$clonecrsunum)= &LONCAPA::split_courseid($cloneid);
1.444 albertel 6636: my $clonehome=&Apache::lonnet::homeserver($clonecrsunum,$clonecrsudom);
1.541 raeburn 6637: my $clonemsg;
1.444 albertel 6638: if ($clonehome eq 'no_host') {
1.541 raeburn 6639: $clonemsg = &mt('Attempting to clone non-existing [_1]',$crstype);
6640: if ($context eq 'auto') {
6641: $outcome .= $clonemsg;
6642: } else {
6643: $outcome .= '<font color="red">'.$clonemsg.'</font>';
6644: }
6645: $outcome .= $linefeed;
1.444 albertel 6646: } else {
1.541 raeburn 6647: my %clonedesc = &Apache::lonnet::coursedescription($cloneid,{'one_time' => 1});
6648: if ($env{'request.role.domain'} eq $args->{'form.clonedomain'}) {
6649: $can_clone = 1;
6650: } else {
6651: my %clonehash = &Apache::lonnet::get('environment',['cloners'],
6652: $args->{'clonedomain'},$args->{'clonecourse'});
6653: my @cloners = split(/,/,$clonehash{'cloners'});
6654: my %roleshash =
6655: &Apache::lonnet::get_my_roles($args->{'ccuname'},
6656: $args->{'ccdomain'},'userroles',['active'],['cc'],
6657: [$args->{'clonedomain'}]);
6658: if (($roleshash{$args->{'clonecourse'}.':'.$args->{'clonedomain'}.':cc'}) || (grep(/^\Q$args->{'ccuname'}\E:\Q$args->{'ccdomain'}\E$/,@cloners))) {
6659: $can_clone = 1;
6660: } else {
6661: $clonemsg = &mt('The new course was not cloned from an existing course because the course owner ([_1]) does not have cloning rights in the existing course ([_2]).',$args->{'ccuname'}.':'.$args->{'ccdomain'},$clonedesc{'description'});
6662: if ($context eq 'auto') {
6663: $outcome .= $clonemsg;
6664: } else {
6665: $outcome .= '<font color="red">'.$clonemsg.'</font>';
6666: }
6667: $outcome .= $linefeed;
6668: }
6669: }
6670: }
6671: if ($can_clone) {
6672: $clonemsg = &mt('Cloning [_1] from [_2]',$crstype,$clonehome);
6673: if ($context eq 'auto') {
6674: $outcome = $clonemsg;
6675: } else {
6676: $outcome .= '<font color="green">'.$clonemsg.'</font>';
6677: }
6678: $outcome .= $linefeed;
1.444 albertel 6679: my %oldcenv=&Apache::lonnet::dump('environment',$$crsudom,$$crsunum);
6680: # Copy all files
6681: &Apache::lonclonecourse::copycoursefiles($cloneid,$$courseid);
6682: # Restore URL
6683: $cenv{'url'}=$oldcenv{'url'};
6684: # Restore title
6685: $cenv{'description'}=$oldcenv{'description'};
6686: # restore grading mode
6687: if (defined($oldcenv{'grading'})) {
6688: $cenv{'grading'}=$oldcenv{'grading'};
6689: }
6690: # Mark as cloned
6691: $cenv{'clonedfrom'}=$cloneid;
6692: delete($cenv{'default_enrollment_start_date'});
6693: delete($cenv{'default_enrollment_end_date'});
6694: }
6695: }
6696: #
6697: # Set environment (will override cloned, if existing)
6698: #
6699: my @sections = ();
6700: my @xlists = ();
6701: if ($args->{'crstype'}) {
6702: $cenv{'type'}=$args->{'crstype'};
6703: }
6704: if ($args->{'crsid'}) {
6705: $cenv{'courseid'}=$args->{'crsid'};
6706: }
6707: if ($args->{'crscode'}) {
6708: $cenv{'internal.coursecode'}=$args->{'crscode'};
6709: }
6710: if ($args->{'crsquota'} ne '') {
6711: $cenv{'internal.coursequota'}=$args->{'crsquota'};
6712: } else {
6713: $cenv{'internal.coursequota'}=$args->{'crsquota'} = 20;
6714: }
6715: if ($args->{'ccuname'}) {
6716: $cenv{'internal.courseowner'} = $args->{'ccuname'}.
6717: ':'.$args->{'ccdomain'};
6718: } else {
6719: $cenv{'internal.courseowner'} = $args->{'curruser'};
6720: }
6721:
6722: my @badclasses = (); # Used to accumulate sections/crosslistings that did not pass classlist access check for course owner.
6723: if ($args->{'crssections'}) {
6724: $cenv{'internal.sectionnums'} = '';
6725: if ($args->{'crssections'} =~ m/,/) {
6726: @sections = split/,/,$args->{'crssections'};
6727: } else {
6728: $sections[0] = $args->{'crssections'};
6729: }
6730: if (@sections > 0) {
6731: foreach my $item (@sections) {
6732: my ($sec,$gp) = split/:/,$item;
6733: my $class = $args->{'crscode'}.$sec;
6734: my $addcheck = &Apache::lonnet::auto_new_course($$crsunum,$$crsudom,$class,$cenv{'internal.courseowner'});
6735: $cenv{'internal.sectionnums'} .= $item.',';
6736: unless ($addcheck eq 'ok') {
6737: push @badclasses, $class;
6738: }
6739: }
6740: $cenv{'internal.sectionnums'} =~ s/,$//;
6741: }
6742: }
6743: # do not hide course coordinator from staff listing,
6744: # even if privileged
6745: $cenv{'nothideprivileged'}=$args->{'ccuname'}.':'.$args->{'ccdomain'};
6746: # add crosslistings
6747: if ($args->{'crsxlist'}) {
6748: $cenv{'internal.crosslistings'}='';
6749: if ($args->{'crsxlist'} =~ m/,/) {
6750: @xlists = split/,/,$args->{'crsxlist'};
6751: } else {
6752: $xlists[0] = $args->{'crsxlist'};
6753: }
6754: if (@xlists > 0) {
6755: foreach my $item (@xlists) {
6756: my ($xl,$gp) = split/:/,$item;
6757: my $addcheck = &Apache::lonnet::auto_new_course($$crsunum,$$crsudom,$xl,$cenv{'internal.courseowner'});
6758: $cenv{'internal.crosslistings'} .= $item.',';
6759: unless ($addcheck eq 'ok') {
6760: push @badclasses, $xl;
6761: }
6762: }
6763: $cenv{'internal.crosslistings'} =~ s/,$//;
6764: }
6765: }
6766: if ($args->{'autoadds'}) {
6767: $cenv{'internal.autoadds'}=$args->{'autoadds'};
6768: }
6769: if ($args->{'autodrops'}) {
6770: $cenv{'internal.autodrops'}=$args->{'autodrops'};
6771: }
6772: # check for notification of enrollment changes
6773: my @notified = ();
6774: if ($args->{'notify_owner'}) {
6775: if ($args->{'ccuname'} ne '') {
6776: push(@notified,$args->{'ccuname'}.':'.$args->{'ccdomain'});
6777: }
6778: }
6779: if ($args->{'notify_dc'}) {
6780: if ($uname ne '') {
6781: push(@notified,$uname.'@'.$udom);
6782: }
6783: }
6784: if (@notified > 0) {
6785: my $notifylist;
6786: if (@notified > 1) {
6787: $notifylist = join(',',@notified);
6788: } else {
6789: $notifylist = $notified[0];
6790: }
6791: $cenv{'internal.notifylist'} = $notifylist;
6792: }
6793: if (@badclasses > 0) {
6794: my %lt=&Apache::lonlocal::texthash(
6795: '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',
6796: 'dnhr' => 'does not have rights to access enrollment in these classes',
6797: 'adby' => 'as determined by the policies of your institution on access to official classlists'
6798: );
1.541 raeburn 6799: my $badclass_msg = $cenv{'internal.courseowner'}.') - '.$lt{'dnhr'}.
6800: ' ('.$lt{'adby'}.')';
6801: if ($context eq 'auto') {
6802: $outcome .= $badclass_msg.$linefeed;
6803: $outcome .= '<font color="red">'.$badclass_msg.$linefeed.'<ul>'."\n";
6804: foreach my $item (@badclasses) {
6805: if ($context eq 'auto') {
6806: $outcome .= " - $item\n";
6807: } else {
6808: $outcome .= "<li>$item</li>\n";
6809: }
6810: }
6811: if ($context eq 'auto') {
6812: $outcome .= $linefeed;
6813: } else {
6814: $outcome .= "</ul><br /><br /></font>\n";
6815: }
6816: }
1.444 albertel 6817: }
6818: if ($args->{'no_end_date'}) {
6819: $args->{'endaccess'} = 0;
6820: }
6821: $cenv{'internal.autostart'}=$args->{'enrollstart'};
6822: $cenv{'internal.autoend'}=$args->{'enrollend'};
6823: $cenv{'default_enrollment_start_date'}=$args->{'startaccess'};
6824: $cenv{'default_enrollment_end_date'}=$args->{'endaccess'};
6825: if ($args->{'showphotos'}) {
6826: $cenv{'internal.showphotos'}=$args->{'showphotos'};
6827: }
6828: $cenv{'internal.authtype'} = $args->{'authtype'};
6829: $cenv{'internal.autharg'} = $args->{'autharg'};
6830: if ( ($cenv{'internal.authtype'} =~ /^krb/) && ($cenv{'internal.autoadds'} == 1)) {
6831: if (! defined($cenv{'internal.autharg'}) || $cenv{'internal.autharg'} eq '') {
1.541 raeburn 6832: 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');
6833: if ($context eq 'auto') {
6834: $outcome .= $krb_msg;
6835: } else {
6836: $outcome .= '<font color="red" size="+1">'.$krb_msg.'</font>';
6837: }
6838: $outcome .= $linefeed;
1.444 albertel 6839: }
6840: }
6841: if (($args->{'ccdomain'}) && ($args->{'ccuname'})) {
6842: if ($args->{'setpolicy'}) {
6843: $cenv{'policy.email'}=$args->{'ccuname'}.':'.$args->{'ccdomain'};
6844: }
6845: if ($args->{'setcontent'}) {
6846: $cenv{'question.email'}=$args->{'ccuname'}.':'.$args->{'ccdomain'};
6847: }
6848: }
6849: if ($args->{'reshome'}) {
6850: $cenv{'reshome'}=$args->{'reshome'}.'/';
6851: $cenv{'reshome'}=~s/\/+$/\//;
6852: }
6853: #
6854: # course has keyed access
6855: #
6856: if ($args->{'setkeys'}) {
6857: $cenv{'keyaccess'}='yes';
6858: }
6859: # if specified, key authority is not course, but user
6860: # only active if keyaccess is yes
6861: if ($args->{'keyauth'}) {
1.487 albertel 6862: my ($user,$domain) = split(':',$args->{'keyauth'});
6863: $user = &LONCAPA::clean_username($user);
6864: $domain = &LONCAPA::clean_username($domain);
1.488 foxr 6865: if ($user ne '' && $domain ne '') {
1.487 albertel 6866: $cenv{'keyauth'}=$user.':'.$domain;
1.444 albertel 6867: }
6868: }
6869:
6870: if ($args->{'disresdis'}) {
6871: $cenv{'pch.roles.denied'}='st';
6872: }
6873: if ($args->{'disablechat'}) {
6874: $cenv{'plc.roles.denied'}='st';
6875: }
6876:
6877: # Record we've not yet viewed the Course Initialization Helper for this
6878: # course
6879: $cenv{'course.helper.not.run'} = 1;
6880: #
6881: # Use new Randomseed
6882: #
6883: $cenv{'rndseed'}=&Apache::lonnet::latest_rnd_algorithm_id();;
6884: $cenv{'receiptalg'}=&Apache::lonnet::latest_receipt_algorithm_id();;
6885: #
6886: # The encryption code and receipt prefix for this course
6887: #
6888: $cenv{'internal.encseed'}=$Apache::lonnet::perlvar{'lonReceipt'}.$$.time.int(rand(9999));
6889: $cenv{'internal.encpref'}=100+int(9*rand(99));
6890: #
6891: # By default, use standard grading
6892: if (!defined($cenv{'grading'})) { $cenv{'grading'} = 'standard'; }
6893:
1.541 raeburn 6894: $outcome .= $linefeed.&mt('Setting environment').': '.
6895: &Apache::lonnet::put('environment',\%cenv,$$crsudom,$$crsunum).$linefeed;
1.444 albertel 6896: #
6897: # Open all assignments
6898: #
6899: if ($args->{'openall'}) {
6900: my $storeunder=$$crsudom.'_'.$$crsunum.'.0.opendate';
6901: my %storecontent = ($storeunder => time,
6902: $storeunder.'.type' => 'date_start');
6903:
6904: $outcome .= &mt('Opening all assignments').': '.&Apache::lonnet::cput
1.541 raeburn 6905: ('resourcedata',\%storecontent,$$crsudom,$$crsunum).$linefeed;
1.444 albertel 6906: }
6907: #
6908: # Set first page
6909: #
6910: unless (($args->{'nonstandard'}) || ($args->{'firstres'} eq 'blank')
6911: || ($cloneid)) {
1.445 albertel 6912: use LONCAPA::map;
1.444 albertel 6913: $outcome .= &mt('Setting first resource').': ';
1.445 albertel 6914:
6915: my $map = '/uploaded/'.$$crsudom.'/'.$$crsunum.'/default.sequence';
6916: my ($errtext,$fatal)=&LONCAPA::map::mapread($map);
6917:
1.444 albertel 6918: $outcome .= ($fatal?$errtext:'read ok').' - ';
6919: my $title; my $url;
6920: if ($args->{'firstres'} eq 'syl') {
6921: $title='Syllabus';
6922: $url='/public/'.$$crsudom.'/'.$$crsunum.'/syllabus';
6923: } else {
6924: $title='Navigate Contents';
6925: $url='/adm/navmaps';
6926: }
1.445 albertel 6927:
6928: $LONCAPA::map::resources[1]=$title.':'.$url.':false:start:res';
6929: (my $outtext,$errtext) = &LONCAPA::map::storemap($map,1);
6930:
6931: if ($errtext) { $fatal=2; }
1.541 raeburn 6932: $outcome .= ($fatal?$errtext:'write ok').$linefeed;
1.444 albertel 6933: }
6934: return $outcome;
6935: }
6936:
6937: ############################################################
6938: ############################################################
6939:
1.378 raeburn 6940: sub course_type {
6941: my ($cid) = @_;
6942: if (!defined($cid)) {
6943: $cid = $env{'request.course.id'};
6944: }
1.404 albertel 6945: if (defined($env{'course.'.$cid.'.type'})) {
6946: return $env{'course.'.$cid.'.type'};
1.378 raeburn 6947: } else {
6948: return 'Course';
1.377 raeburn 6949: }
6950: }
1.156 albertel 6951:
1.406 raeburn 6952: sub group_term {
6953: my $crstype = &course_type();
6954: my %names = (
6955: 'Course' => 'group',
6956: 'Group' => 'team',
6957: );
6958: return $names{$crstype};
6959: }
6960:
1.156 albertel 6961: sub icon {
6962: my ($file)=@_;
1.505 albertel 6963: my $curfext = lc((split(/\./,$file))[-1]);
1.168 albertel 6964: my $iconname=$Apache::lonnet::perlvar{'lonIconsURL'}.'/unknown.gif';
1.156 albertel 6965: my $embstyle = &Apache::loncommon::fileembstyle($curfext);
1.168 albertel 6966: if (!(!defined($embstyle) || $embstyle eq 'unk' || $embstyle eq 'hdn')) {
6967: if (-e $Apache::lonnet::perlvar{'lonDocRoot'}.'/'.
6968: $Apache::lonnet::perlvar{'lonIconsURL'}.'/'.
6969: $curfext.".gif") {
6970: $iconname=$Apache::lonnet::perlvar{'lonIconsURL'}.'/'.
6971: $curfext.".gif";
6972: }
6973: }
1.249 albertel 6974: return &lonhttpdurl($iconname);
1.154 albertel 6975: }
1.84 albertel 6976:
1.215 albertel 6977: sub lonhttpdurl {
6978: my ($url)=@_;
6979: my $lonhttpd_port=$Apache::lonnet::perlvar{'lonhttpdPort'};
6980: if (!defined($lonhttpd_port)) { $lonhttpd_port='8080'; }
6981: return 'http://'.$ENV{'SERVER_NAME'}.':'.$lonhttpd_port.$url;
6982: }
6983:
1.213 albertel 6984: sub connection_aborted {
6985: my ($r)=@_;
6986: $r->print(" ");$r->rflush();
6987: my $c = $r->connection;
6988: return $c->aborted();
6989: }
6990:
1.221 foxr 6991: # Escapes strings that may have embedded 's that will be put into
1.222 foxr 6992: # strings as 'strings'.
6993: sub escape_single {
1.221 foxr 6994: my ($input) = @_;
1.223 albertel 6995: $input =~ s/\\/\\\\/g; # Escape the \'s..(must be first)>
1.221 foxr 6996: $input =~ s/\'/\\\'/g; # Esacpe the 's....
6997: return $input;
6998: }
1.223 albertel 6999:
1.222 foxr 7000: # Same as escape_single, but escape's "'s This
7001: # can be used for "strings"
7002: sub escape_double {
7003: my ($input) = @_;
7004: $input =~ s/\\/\\\\/g; # Escape the /'s..(must be first)>
7005: $input =~ s/\"/\\\"/g; # Esacpe the "s....
7006: return $input;
7007: }
1.223 albertel 7008:
1.222 foxr 7009: # Escapes the last element of a full URL.
7010: sub escape_url {
7011: my ($url) = @_;
1.238 raeburn 7012: my @urlslices = split(/\//, $url,-1);
1.369 www 7013: my $lastitem = &escape(pop(@urlslices));
1.223 albertel 7014: return join('/',@urlslices).'/'.$lastitem;
1.222 foxr 7015: }
1.462 albertel 7016:
7017: # -------------------------------------------------------- Initliaze user login
7018: sub init_user_environment {
1.463 albertel 7019: my ($r, $username, $domain, $authhost, $form, $args) = @_;
1.462 albertel 7020: my $lonids=$Apache::lonnet::perlvar{'lonIDsDir'};
7021:
7022: my $public=($username eq 'public' && $domain eq 'public');
7023:
7024: # See if old ID present, if so, remove
7025:
7026: my ($filename,$cookie,$userroles);
7027: my $now=time;
7028:
7029: if ($public) {
7030: my $max_public=100;
7031: my $oldest;
7032: my $oldest_time=0;
7033: for(my $next=1;$next<=$max_public;$next++) {
7034: if (-e $lonids."/publicuser_$next.id") {
7035: my $mtime=(stat($lonids."/publicuser_$next.id"))[9];
7036: if ($mtime<$oldest_time || !$oldest_time) {
7037: $oldest_time=$mtime;
7038: $oldest=$next;
7039: }
7040: } else {
7041: $cookie="publicuser_$next";
7042: last;
7043: }
7044: }
7045: if (!$cookie) { $cookie="publicuser_$oldest"; }
7046: } else {
1.463 albertel 7047: # if this isn't a robot, kill any existing non-robot sessions
7048: if (!$args->{'robot'}) {
7049: opendir(DIR,$lonids);
7050: while ($filename=readdir(DIR)) {
7051: if ($filename=~/^$username\_\d+\_$domain\_$authhost\.id$/) {
7052: unlink($lonids.'/'.$filename);
7053: }
1.462 albertel 7054: }
1.463 albertel 7055: closedir(DIR);
1.462 albertel 7056: }
7057: # Give them a new cookie
1.463 albertel 7058: my $id = ($args->{'robot'} ? 'robot'.$args->{'robot'}
7059: : $now);
7060: $cookie="$username\_$id\_$domain\_$authhost";
1.462 albertel 7061:
7062: # Initialize roles
7063:
7064: $userroles=&Apache::lonnet::rolesinit($domain,$username,$authhost);
7065: }
7066: # ------------------------------------ Check browser type and MathML capability
7067:
7068: my ($httpbrowser,$clientbrowser,$clientversion,$clientmathml,
7069: $clientunicode,$clientos) = &decode_user_agent($r);
7070:
7071: # -------------------------------------- Any accessibility options to remember?
7072: if (($form->{'interface'}) && ($form->{'remember'} eq 'true')) {
7073: foreach my $option ('imagesuppress','appletsuppress',
7074: 'embedsuppress','fontenhance','blackwhite') {
7075: if ($form->{$option} eq 'true') {
7076: &Apache::lonnet::put('environment',{$option => 'on'},
7077: $domain,$username);
7078: } else {
7079: &Apache::lonnet::del('environment',[$option],
7080: $domain,$username);
7081: }
7082: }
7083: }
7084: # ------------------------------------------------------------- Get environment
7085:
7086: my %userenv = &Apache::lonnet::dump('environment',$domain,$username);
7087: my ($tmp) = keys(%userenv);
7088: if ($tmp !~ /^(con_lost|error|no_such_host)/i) {
7089: # default remote control to off
7090: if ($userenv{'remote'} ne 'on') { $userenv{'remote'} = 'off'; }
7091: } else {
7092: undef(%userenv);
7093: }
7094: if (($userenv{'interface'}) && (!$form->{'interface'})) {
7095: $form->{'interface'}=$userenv{'interface'};
7096: }
7097: $env{'environment.remote'}=$userenv{'remote'};
7098: if ($userenv{'texengine'} eq 'ttm') { $clientmathml=1; }
7099:
7100: # --------------- Do not trust query string to be put directly into environment
7101: foreach my $option ('imagesuppress','appletsuppress',
7102: 'embedsuppress','fontenhance','blackwhite',
7103: 'interface','localpath','localres') {
7104: $form->{$option}=~s/[\n\r\=]//gs;
7105: }
7106: # --------------------------------------------------------- Write first profile
7107:
7108: {
7109: my %initial_env =
7110: ("user.name" => $username,
7111: "user.domain" => $domain,
7112: "user.home" => $authhost,
7113: "browser.type" => $clientbrowser,
7114: "browser.version" => $clientversion,
7115: "browser.mathml" => $clientmathml,
7116: "browser.unicode" => $clientunicode,
7117: "browser.os" => $clientos,
7118: "server.domain" => $Apache::lonnet::perlvar{'lonDefDomain'},
7119: "request.course.fn" => '',
7120: "request.course.uri" => '',
7121: "request.course.sec" => '',
7122: "request.role" => 'cm',
7123: "request.role.adv" => $env{'user.adv'},
7124: "request.host" => $ENV{'REMOTE_ADDR'},);
7125:
7126: if ($form->{'localpath'}) {
7127: $initial_env{"browser.localpath"} = $form->{'localpath'};
7128: $initial_env{"browser.localres"} = $form->{'localres'};
7129: }
7130:
7131: if ($public) {
7132: $initial_env{"environment.remote"} = "off";
7133: }
7134: if ($form->{'interface'}) {
7135: $form->{'interface'}=~s/\W//gs;
7136: $initial_env{"browser.interface"} = $form->{'interface'};
7137: $env{'browser.interface'}=$form->{'interface'};
7138: foreach my $option ('imagesuppress','appletsuppress',
7139: 'embedsuppress','fontenhance','blackwhite') {
7140: if (($form->{$option} eq 'true') ||
7141: ($userenv{$option} eq 'on')) {
7142: $initial_env{"browser.$option"} = "on";
7143: }
7144: }
7145: }
7146:
7147: $env{'user.environment'} = "$lonids/$cookie.id";
7148:
7149: if (tie(my %disk_env,'GDBM_File',"$lonids/$cookie.id",
7150: &GDBM_WRCREAT(),0640)) {
7151: &_add_to_env(\%disk_env,\%initial_env);
7152: &_add_to_env(\%disk_env,\%userenv,'environment.');
7153: &_add_to_env(\%disk_env,$userroles);
1.463 albertel 7154: if (ref($args->{'extra_env'})) {
7155: &_add_to_env(\%disk_env,$args->{'extra_env'});
7156: }
1.462 albertel 7157: untie(%disk_env);
7158: } else {
7159: &Apache::lonnet::logthis("<font color=\"blue\">WARNING: ".
7160: 'Could not create environment storage in lonauth: '.$!.'</font>');
7161: return 'error: '.$!;
7162: }
7163: }
7164: $env{'request.role'}='cm';
7165: $env{'request.role.adv'}=$env{'user.adv'};
7166: $env{'browser.type'}=$clientbrowser;
7167:
7168: return $cookie;
7169:
7170: }
7171:
7172: sub _add_to_env {
7173: my ($idf,$env_data,$prefix) = @_;
7174: while (my ($key,$value) = each(%$env_data)) {
7175: $idf->{$prefix.$key} = $value;
7176: $env{$prefix.$key} = $value;
7177: }
7178: }
7179:
7180:
1.41 ng 7181: =pod
7182:
7183: =back
7184:
1.112 bowersj2 7185: =cut
1.41 ng 7186:
1.112 bowersj2 7187: 1;
7188: __END__;
1.41 ng 7189:
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