Annotation of loncom/interface/loncommon.pm, revision 1.564.2.11
1.10 albertel 1: # The LearningOnline Network with CAPA
1.1 albertel 2: # a pile of common routines
1.10 albertel 3: #
1.564.2.11! albertel 4: # $Id: loncommon.pm,v 1.564.2.10 2007/10/05 18:04:17 albertel Exp $
1.10 albertel 5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: #
26: # http://www.lon-capa.org/
27: #
1.1 albertel 28:
29: # Makes a table out of the previous attempts
1.2 albertel 30: # Inputs result_from_symbread, user, domain, course_id
1.16 harris41 31: # Reads in non-network-related .tab files
1.1 albertel 32:
1.35 matthew 33: # POD header:
34:
1.45 matthew 35: =pod
36:
1.35 matthew 37: =head1 NAME
38:
39: Apache::loncommon - pile of common routines
40:
41: =head1 SYNOPSIS
42:
1.112 bowersj2 43: Common routines for manipulating connections, student answers,
44: domains, common Javascript fragments, etc.
1.35 matthew 45:
1.112 bowersj2 46: =head1 OVERVIEW
1.35 matthew 47:
1.112 bowersj2 48: A collection of commonly used subroutines that don't have a natural
49: home anywhere else. This collection helps remove
1.35 matthew 50: redundancy from other modules and increase efficiency of memory usage.
51:
52: =cut
53:
54: # End of POD header
1.1 albertel 55: package Apache::loncommon;
56:
57: use strict;
1.258 albertel 58: use Apache::lonnet;
1.46 matthew 59: use GDBM_File;
1.51 www 60: use POSIX qw(strftime mktime);
1.82 www 61: use Apache::lonmenu();
1.498 albertel 62: use Apache::lonenc();
1.117 www 63: use Apache::lonlocal;
1.139 matthew 64: use HTML::Entities;
1.334 albertel 65: use Apache::lonhtmlcommon();
66: use Apache::loncoursedata();
1.344 albertel 67: use Apache::lontexconvert();
1.444 albertel 68: use Apache::lonclonecourse();
1.479 albertel 69: use LONCAPA qw(:DEFAULT :match);
1.117 www 70:
1.517 raeburn 71: # ---------------------------------------------- Designs
72: use vars qw(%defaultdesign);
73:
1.22 www 74: my $readit;
75:
1.517 raeburn 76:
1.157 matthew 77: ##
78: ## Global Variables
79: ##
1.46 matthew 80:
1.20 www 81: # ----------------------------------------------- Filetypes/Languages/Copyright
1.12 harris41 82: my %language;
1.124 www 83: my %supported_language;
1.12 harris41 84: my %cprtag;
1.192 taceyjo1 85: my %scprtag;
1.351 www 86: my %fe; my %fd; my %fm;
1.41 ng 87: my %category_extensions;
1.12 harris41 88:
1.46 matthew 89: # ---------------------------------------------- Thesaurus variables
1.144 matthew 90: #
91: # %Keywords:
92: # A hash used by &keyword to determine if a word is considered a keyword.
93: # $thesaurus_db_file
94: # Scalar containing the full path to the thesaurus database.
1.46 matthew 95:
96: my %Keywords;
97: my $thesaurus_db_file;
98:
1.144 matthew 99: #
100: # Initialize values from language.tab, copyright.tab, filetypes.tab,
101: # thesaurus.tab, and filecategories.tab.
102: #
1.18 www 103: BEGIN {
1.46 matthew 104: # Variable initialization
105: $thesaurus_db_file = $Apache::lonnet::perlvar{'lonTabDir'}."/thesaurus.db";
106: #
1.22 www 107: unless ($readit) {
1.12 harris41 108: # ------------------------------------------------------------------- languages
109: {
1.158 raeburn 110: my $langtabfile = $Apache::lonnet::perlvar{'lonTabDir'}.
111: '/language.tab';
112: if ( open(my $fh,"<$langtabfile") ) {
1.356 albertel 113: while (my $line = <$fh>) {
114: next if ($line=~/^\#/);
115: chomp($line);
116: my ($key,$two,$country,$three,$enc,$val,$sup)=(split(/\t/,$line));
1.158 raeburn 117: $language{$key}=$val.' - '.$enc;
118: if ($sup) {
119: $supported_language{$key}=$sup;
120: }
121: }
122: close($fh);
123: }
1.12 harris41 124: }
125: # ------------------------------------------------------------------ copyrights
126: {
1.158 raeburn 127: my $copyrightfile = $Apache::lonnet::perlvar{'lonIncludes'}.
128: '/copyright.tab';
129: if ( open (my $fh,"<$copyrightfile") ) {
1.356 albertel 130: while (my $line = <$fh>) {
131: next if ($line=~/^\#/);
132: chomp($line);
133: my ($key,$val)=(split(/\s+/,$line,2));
1.158 raeburn 134: $cprtag{$key}=$val;
135: }
136: close($fh);
137: }
1.12 harris41 138: }
1.351 www 139: # ----------------------------------------------------------- source copyrights
1.192 taceyjo1 140: {
141: my $sourcecopyrightfile = $Apache::lonnet::perlvar{'lonIncludes'}.
142: '/source_copyright.tab';
143: if ( open (my $fh,"<$sourcecopyrightfile") ) {
1.356 albertel 144: while (my $line = <$fh>) {
145: next if ($line =~ /^\#/);
146: chomp($line);
147: my ($key,$val)=(split(/\s+/,$line,2));
1.192 taceyjo1 148: $scprtag{$key}=$val;
149: }
150: close($fh);
151: }
152: }
1.63 www 153:
1.517 raeburn 154: # -------------------------------------------------------------- default domain designs
1.63 www 155: my $designdir=$Apache::lonnet::perlvar{'lonTabDir'}.'/lonDomColors';
1.517 raeburn 156: my $designfile = $designdir.'/default.tab';
157: if ( open (my $fh,"<$designfile") ) {
158: while (my $line = <$fh>) {
159: next if ($line =~ /^\#/);
160: chomp($line);
161: my ($key,$val)=(split(/\=/,$line));
162: if ($val) { $defaultdesign{$key}=$val; }
163: }
164: close($fh);
1.63 www 165: }
166:
1.15 harris41 167: # ------------------------------------------------------------- file categories
168: {
1.158 raeburn 169: my $categoryfile = $Apache::lonnet::perlvar{'lonTabDir'}.
170: '/filecategories.tab';
171: if ( open (my $fh,"<$categoryfile") ) {
1.356 albertel 172: while (my $line = <$fh>) {
173: next if ($line =~ /^\#/);
174: chomp($line);
175: my ($extension,$category)=(split(/\s+/,$line,2));
1.158 raeburn 176: push @{$category_extensions{lc($category)}},$extension;
177: }
178: close($fh);
179: }
180:
1.15 harris41 181: }
1.12 harris41 182: # ------------------------------------------------------------------ file types
183: {
1.158 raeburn 184: my $typesfile = $Apache::lonnet::perlvar{'lonTabDir'}.
185: '/filetypes.tab';
186: if ( open (my $fh,"<$typesfile") ) {
1.356 albertel 187: while (my $line = <$fh>) {
188: next if ($line =~ /^\#/);
189: chomp($line);
190: my ($ending,$emb,$mime,$descr)=split(/\s+/,$line,4);
1.158 raeburn 191: if ($descr ne '') {
192: $fe{$ending}=lc($emb);
193: $fd{$ending}=$descr;
1.351 www 194: if ($mime ne 'unk') { $fm{$ending}=$mime; }
1.158 raeburn 195: }
196: }
197: close($fh);
198: }
1.12 harris41 199: }
1.22 www 200: &Apache::lonnet::logthis(
1.46 matthew 201: "<font color=yellow>INFO: Read file types</font>");
1.22 www 202: $readit=1;
1.46 matthew 203: } # end of unless($readit)
1.32 matthew 204:
205: }
1.112 bowersj2 206:
1.42 matthew 207: ###############################################################
208: ## HTML and Javascript Helper Functions ##
209: ###############################################################
210:
211: =pod
212:
1.112 bowersj2 213: =head1 HTML and Javascript Functions
1.42 matthew 214:
1.112 bowersj2 215: =over 4
216:
217: =item * browser_and_searcher_javascript ()
218:
219: X<browsing, javascript>X<searching, javascript>Returns a string
220: containing javascript with two functions, C<openbrowser> and
221: C<opensearcher>. Returned string does not contain E<lt>scriptE<gt>
222: tags.
1.42 matthew 223:
1.112 bowersj2 224: =item * openbrowser(formname,elementname,only,omit) [javascript]
1.42 matthew 225:
226: inputs: formname, elementname, only, omit
227:
228: formname and elementname indicate the name of the html form and name of
229: the element that the results of the browsing selection are to be placed in.
230:
231: Specifying 'only' will restrict the browser to displaying only files
1.185 www 232: with the given extension. Can be a comma separated list.
1.42 matthew 233:
234: Specifying 'omit' will restrict the browser to NOT displaying files
1.185 www 235: with the given extension. Can be a comma separated list.
1.42 matthew 236:
1.112 bowersj2 237: =item * opensearcher(formname, elementname) [javascript]
1.42 matthew 238:
239: Inputs: formname, elementname
240:
241: formname and elementname specify the name of the html form and the name
242: of the element the selection from the search results will be placed in.
1.542 raeburn 243:
1.42 matthew 244: =cut
245:
246: sub browser_and_searcher_javascript {
1.199 albertel 247: my ($mode)=@_;
248: if (!defined($mode)) { $mode='edit'; }
1.453 albertel 249: my $resurl=&escape_single(&lastresurl());
1.42 matthew 250: return <<END;
1.219 albertel 251: // <!-- BEGIN LON-CAPA Internal
1.50 matthew 252: var editbrowser = null;
1.135 albertel 253: function openbrowser(formname,elementname,only,omit,titleelement) {
1.170 www 254: var url = '$resurl/?';
1.42 matthew 255: if (editbrowser == null) {
256: url += 'launch=1&';
257: }
258: url += 'catalogmode=interactive&';
1.199 albertel 259: url += 'mode=$mode&';
1.42 matthew 260: url += 'form=' + formname + '&';
261: if (only != null) {
262: url += 'only=' + only + '&';
1.217 albertel 263: } else {
264: url += 'only=&';
265: }
1.42 matthew 266: if (omit != null) {
267: url += 'omit=' + omit + '&';
1.217 albertel 268: } else {
269: url += 'omit=&';
270: }
1.135 albertel 271: if (titleelement != null) {
272: url += 'titleelement=' + titleelement + '&';
1.217 albertel 273: } else {
274: url += 'titleelement=&';
275: }
1.42 matthew 276: url += 'element=' + elementname + '';
277: var title = 'Browser';
1.435 albertel 278: var options = 'scrollbars=1,resizable=1,menubar=0,toolbar=1,location=1';
1.42 matthew 279: options += ',width=700,height=600';
280: editbrowser = open(url,title,options,'1');
281: editbrowser.focus();
282: }
283: var editsearcher;
1.135 albertel 284: function opensearcher(formname,elementname,titleelement) {
1.42 matthew 285: var url = '/adm/searchcat?';
286: if (editsearcher == null) {
287: url += 'launch=1&';
288: }
289: url += 'catalogmode=interactive&';
1.199 albertel 290: url += 'mode=$mode&';
1.42 matthew 291: url += 'form=' + formname + '&';
1.135 albertel 292: if (titleelement != null) {
293: url += 'titleelement=' + titleelement + '&';
1.217 albertel 294: } else {
295: url += 'titleelement=&';
296: }
1.42 matthew 297: url += 'element=' + elementname + '';
298: var title = 'Search';
1.435 albertel 299: var options = 'scrollbars=1,resizable=1,menubar=0,toolbar=1,location=1';
1.42 matthew 300: options += ',width=700,height=600';
301: editsearcher = open(url,title,options,'1');
302: editsearcher.focus();
303: }
1.219 albertel 304: // END LON-CAPA Internal -->
1.42 matthew 305: END
1.170 www 306: }
307:
308: sub lastresurl {
1.258 albertel 309: if ($env{'environment.lastresurl'}) {
310: return $env{'environment.lastresurl'}
1.170 www 311: } else {
312: return '/res';
313: }
314: }
315:
316: sub storeresurl {
317: my $resurl=&Apache::lonnet::clutter(shift);
318: unless ($resurl=~/^\/res/) { return 0; }
319: $resurl=~s/\/$//;
320: &Apache::lonnet::put('environment',{'lastresurl' => $resurl});
321: &Apache::lonnet::appenv('environment.lastresurl' => $resurl);
322: return 1;
1.42 matthew 323: }
324:
1.74 www 325: sub studentbrowser_javascript {
1.111 www 326: unless (
1.258 albertel 327: (($env{'request.course.id'}) &&
1.302 albertel 328: (&Apache::lonnet::allowed('srm',$env{'request.course.id'})
329: || &Apache::lonnet::allowed('srm',$env{'request.course.id'}.
330: '/'.$env{'request.course.sec'})
331: ))
1.258 albertel 332: || ($env{'request.role'}=~/^(au|dc|su)/)
1.111 www 333: ) { return ''; }
1.74 www 334: return (<<'ENDSTDBRW');
335: <script type="text/javascript" language="Javascript" >
336: var stdeditbrowser;
1.558 albertel 337: function openstdbrowser(formname,uname,udom,roleflag,ignorefilter) {
1.74 www 338: var url = '/adm/pickstudent?';
339: var filter;
1.558 albertel 340: if (!ignorefilter) {
341: eval('filter=document.'+formname+'.'+uname+'.value;');
342: }
1.74 www 343: if (filter != null) {
344: if (filter != '') {
345: url += 'filter='+filter+'&';
346: }
347: }
348: url += 'form=' + formname + '&unameelement='+uname+
349: '&udomelement='+udom;
1.111 www 350: if (roleflag) { url+="&roles=1"; }
1.102 www 351: var title = 'Student_Browser';
1.74 www 352: var options = 'scrollbars=1,resizable=1,menubar=0';
353: options += ',width=700,height=600';
354: stdeditbrowser = open(url,title,options,'1');
355: stdeditbrowser.focus();
356: }
357: </script>
358: ENDSTDBRW
359: }
1.42 matthew 360:
1.74 www 361: sub selectstudent_link {
1.111 www 362: my ($form,$unameele,$udomele)=@_;
1.258 albertel 363: if ($env{'request.course.id'}) {
1.302 albertel 364: if (!&Apache::lonnet::allowed('srm',$env{'request.course.id'})
365: && !&Apache::lonnet::allowed('srm',$env{'request.course.id'}.
366: '/'.$env{'request.course.sec'})) {
1.111 www 367: return '';
368: }
369: return "<a href='".'javascript:openstdbrowser("'.$form.'","'.$unameele.
1.558 albertel 370: '","'.$udomele.'","","1");'."'>".&mt('Select User')."</a>";
1.74 www 371: }
1.258 albertel 372: if ($env{'request.role'}=~/^(au|dc|su)/) {
1.111 www 373: return "<a href='".'javascript:openstdbrowser("'.$form.'","'.$unameele.
1.119 www 374: '","'.$udomele.'",1);'."'>".&mt('Select User')."</a>";
1.111 www 375: }
376: return '';
1.91 www 377: }
378:
379: sub coursebrowser_javascript {
1.468 raeburn 380: my ($domainfilter,$sec_element,$formname)=@_;
1.377 raeburn 381: my $crs_or_grp_alert = &mt('Please select the type of LON-CAPA entity - Course or Group - for which you wish to add/modify a user role');
1.468 raeburn 382: my $output = '
1.538 albertel 383: <script type="text/javascript">
1.468 raeburn 384: var stdeditbrowser;'."\n";
385: $output .= <<"ENDSTDBRW";
1.377 raeburn 386: function opencrsbrowser(formname,uname,udom,desc,extra_element,multflag,crstype) {
1.91 www 387: var url = '/adm/pickcourse?';
1.468 raeburn 388: var domainfilter = '';
389: var formid = getFormIdByName(formname);
390: if (formid > -1) {
391: var domid = getIndexByName(formid,udom);
392: if (domid > -1) {
393: if (document.forms[formid].elements[domid].type == 'select-one') {
394: domainfilter=document.forms[formid].elements[domid].options[document.forms[formid].elements[domid].selectedIndex].value;
395: }
396: if (document.forms[formid].elements[domid].type == 'hidden') {
397: domainfilter=document.forms[formid].elements[domid].value;
398: }
399: }
1.91 www 400: }
1.128 albertel 401: if (domainfilter != null) {
402: if (domainfilter != '') {
403: url += 'domainfilter='+domainfilter+'&';
404: }
405: }
1.91 www 406: url += 'form=' + formname + '&cnumelement='+uname+
1.187 albertel 407: '&cdomelement='+udom+
408: '&cnameelement='+desc;
1.468 raeburn 409: if (extra_element !=null && extra_element != '') {
410: if (formname == 'rolechoice') {
411: url += '&roleelement='+extra_element;
412: if (domainfilter == null || domainfilter == '') {
413: url += '&domainfilter='+extra_element;
414: }
1.234 raeburn 415: }
1.468 raeburn 416: else {
417: if (formname == 'portform') {
418: url += '&setroles='+extra_element;
419: }
420: }
1.230 raeburn 421: }
1.293 raeburn 422: if (multflag !=null && multflag != '') {
423: url += '&multiple='+multflag;
424: }
1.377 raeburn 425: if (crstype == 'Course/Group') {
426: if (formname == 'cu') {
427: crstype = document.cu.crstype.options[document.cu.crstype.selectedIndex].value;
428: if (crstype == "") {
429: alert("$crs_or_grp_alert");
430: return;
431: }
432: }
433: }
434: if (crstype !=null && crstype != '') {
435: url += '&type='+crstype;
436: }
1.102 www 437: var title = 'Course_Browser';
1.91 www 438: var options = 'scrollbars=1,resizable=1,menubar=0';
439: options += ',width=700,height=600';
440: stdeditbrowser = open(url,title,options,'1');
441: stdeditbrowser.focus();
442: }
1.468 raeburn 443:
444: function getFormIdByName(formname) {
445: for (var i=0;i<document.forms.length;i++) {
446: if (document.forms[i].name == formname) {
447: return i;
448: }
449: }
450: return -1;
451: }
452:
453: function getIndexByName(formid,item) {
454: for (var i=0;i<document.forms[formid].elements.length;i++) {
455: if (document.forms[formid].elements[i].name == item) {
456: return i;
457: }
458: }
459: return -1;
460: }
1.91 www 461: ENDSTDBRW
1.468 raeburn 462: if ($sec_element ne '') {
463: $output .= &setsec_javascript($sec_element,$formname);
464: }
465: $output .= '
466: </script>';
467: return $output;
468: }
469:
470: sub setsec_javascript {
471: my ($sec_element,$formname) = @_;
472: my $setsections = qq|
473: function setSect(sectionlist) {
474: var sectionsArray = sectionlist.split(",");
475: var numSections = sectionsArray.length;
476: document.$formname.$sec_element.length = 0;
477: if (numSections == 0) {
478: document.$formname.$sec_element.multiple=false;
479: document.$formname.$sec_element.size=1;
480: document.$formname.$sec_element.options[0] = new Option('No existing sections','',false,false)
481: } else {
482: if (numSections == 1) {
483: document.$formname.$sec_element.multiple=false;
484: document.$formname.$sec_element.size=1;
485: document.$formname.$sec_element.options[0] = new Option('Select','',true,true);
486: document.$formname.$sec_element.options[1] = new Option('No section','',false,false)
487: document.$formname.$sec_element.options[2] = new Option(sectionsArray[0],sectionsArray[0],false,false);
488: } else {
489: for (var i=0; i<numSections; i++) {
490: document.$formname.$sec_element.options[i] = new Option(sectionsArray[i],sectionsArray[i],false,false)
491: }
492: document.$formname.$sec_element.multiple=true
493: if (numSections < 3) {
494: document.$formname.$sec_element.size=numSections;
495: } else {
496: document.$formname.$sec_element.size=3;
497: }
498: document.$formname.$sec_element.options[0].selected = false
499: }
500: }
1.91 www 501: }
1.468 raeburn 502: |;
503: return $setsections;
504: }
505:
1.91 www 506:
507: sub selectcourse_link {
1.377 raeburn 508: my ($form,$unameele,$udomele,$desc,$extra_element,$multflag,$selecttype)=@_;
1.492 albertel 509: return "<a href='".'javascript:opencrsbrowser("'.$form.'","'.$unameele.
510: '","'.$udomele.'","'.$desc.'","'.$extra_element.'","'.$multflag.'","'.$selecttype.'");'."'>".&mt('Select Course')."</a>";
1.74 www 511: }
1.42 matthew 512:
1.273 raeburn 513: sub check_uncheck_jscript {
514: my $jscript = <<"ENDSCRT";
515: function checkAll(field) {
516: if (field.length > 0) {
517: for (i = 0; i < field.length; i++) {
518: field[i].checked = true ;
519: }
520: } else {
521: field.checked = true
522: }
523: }
524:
525: function uncheckAll(field) {
526: if (field.length > 0) {
527: for (i = 0; i < field.length; i++) {
528: field[i].checked = false ;
1.543 albertel 529: }
530: } else {
1.273 raeburn 531: field.checked = false ;
532: }
533: }
534: ENDSCRT
535: return $jscript;
536: }
537:
538:
1.42 matthew 539: =pod
1.36 matthew 540:
1.112 bowersj2 541: =item * linked_select_forms(...)
1.36 matthew 542:
543: linked_select_forms returns a string containing a <script></script> block
544: and html for two <select> menus. The select menus will be linked in that
545: changing the value of the first menu will result in new values being placed
546: in the second menu. The values in the select menu will appear in alphabetical
547: order.
548:
549: linked_select_forms takes the following ordered inputs:
550:
551: =over 4
552:
1.112 bowersj2 553: =item * $formname, the name of the <form> tag
1.36 matthew 554:
1.112 bowersj2 555: =item * $middletext, the text which appears between the <select> tags
1.36 matthew 556:
1.112 bowersj2 557: =item * $firstdefault, the default value for the first menu
1.36 matthew 558:
1.112 bowersj2 559: =item * $firstselectname, the name of the first <select> tag
1.36 matthew 560:
1.112 bowersj2 561: =item * $secondselectname, the name of the second <select> tag
1.36 matthew 562:
1.112 bowersj2 563: =item * $hashref, a reference to a hash containing the data for the menus.
1.36 matthew 564:
1.41 ng 565: =back
566:
1.36 matthew 567: Below is an example of such a hash. Only the 'text', 'default', and
568: 'select2' keys must appear as stated. keys(%menu) are the possible
569: values for the first select menu. The text that coincides with the
1.41 ng 570: first menu value is given in $menu{$choice1}->{'text'}. The values
1.36 matthew 571: and text for the second menu are given in the hash pointed to by
572: $menu{$choice1}->{'select2'}.
573:
1.112 bowersj2 574: my %menu = ( A1 => { text =>"Choice A1" ,
575: default => "B3",
576: select2 => {
577: B1 => "Choice B1",
578: B2 => "Choice B2",
579: B3 => "Choice B3",
580: B4 => "Choice B4"
581: }
582: },
583: A2 => { text =>"Choice A2" ,
584: default => "C2",
585: select2 => {
586: C1 => "Choice C1",
587: C2 => "Choice C2",
588: C3 => "Choice C3"
589: }
590: },
591: A3 => { text =>"Choice A3" ,
592: default => "D6",
593: select2 => {
594: D1 => "Choice D1",
595: D2 => "Choice D2",
596: D3 => "Choice D3",
597: D4 => "Choice D4",
598: D5 => "Choice D5",
599: D6 => "Choice D6",
600: D7 => "Choice D7"
601: }
602: }
603: );
1.36 matthew 604:
605: =cut
606:
607: sub linked_select_forms {
608: my ($formname,
609: $middletext,
610: $firstdefault,
611: $firstselectname,
612: $secondselectname,
613: $hashref
614: ) = @_;
615: my $second = "document.$formname.$secondselectname";
616: my $first = "document.$formname.$firstselectname";
617: # output the javascript to do the changing
618: my $result = '';
1.219 albertel 619: $result.="<script type=\"text/javascript\">\n";
1.36 matthew 620: $result.="var select2data = new Object();\n";
621: $" = '","';
622: my $debug = '';
623: foreach my $s1 (sort(keys(%$hashref))) {
624: $result.="select2data.d_$s1 = new Object();\n";
625: $result.="select2data.d_$s1.def = new String('".
626: $hashref->{$s1}->{'default'}."');\n";
627: $result.="select2data.d_$s1.values = new Array(";
628: my @s2values = sort(keys( %{ $hashref->{$s1}->{'select2'} } ));
629: $result.="\"@s2values\");\n";
630: $result.="select2data.d_$s1.texts = new Array(";
631: my @s2texts;
632: foreach my $value (@s2values) {
633: push @s2texts, $hashref->{$s1}->{'select2'}->{$value};
634: }
635: $result.="\"@s2texts\");\n";
636: }
637: $"=' ';
638: $result.= <<"END";
639:
640: function select1_changed() {
641: // Determine new choice
642: var newvalue = "d_" + $first.value;
643: // update select2
644: var values = select2data[newvalue].values;
645: var texts = select2data[newvalue].texts;
646: var select2def = select2data[newvalue].def;
647: var i;
648: // out with the old
649: for (i = 0; i < $second.options.length; i++) {
650: $second.options[i] = null;
651: }
652: // in with the nuclear
653: for (i=0;i<values.length; i++) {
654: $second.options[i] = new Option(values[i]);
1.143 matthew 655: $second.options[i].value = values[i];
1.36 matthew 656: $second.options[i].text = texts[i];
657: if (values[i] == select2def) {
658: $second.options[i].selected = true;
659: }
660: }
661: }
662: </script>
663: END
664: # output the initial values for the selection lists
665: $result .= "<select size=\"1\" name=\"$firstselectname\" onchange=\"select1_changed()\">\n";
666: foreach my $value (sort(keys(%$hashref))) {
667: $result.=" <option value=\"$value\" ";
1.253 albertel 668: $result.=" selected=\"selected\" " if ($value eq $firstdefault);
1.119 www 669: $result.=">".&mt($hashref->{$value}->{'text'})."</option>\n";
1.36 matthew 670: }
671: $result .= "</select>\n";
672: my %select2 = %{$hashref->{$firstdefault}->{'select2'}};
673: $result .= $middletext;
674: $result .= "<select size=\"1\" name=\"$secondselectname\">\n";
675: my $seconddefault = $hashref->{$firstdefault}->{'default'};
676: foreach my $value (sort(keys(%select2))) {
677: $result.=" <option value=\"$value\" ";
1.253 albertel 678: $result.=" selected=\"selected\" " if ($value eq $seconddefault);
1.119 www 679: $result.=">".&mt($select2{$value})."</option>\n";
1.36 matthew 680: }
681: $result .= "</select>\n";
682: # return $debug;
683: return $result;
684: } # end of sub linked_select_forms {
685:
1.45 matthew 686: =pod
1.44 bowersj2 687:
1.112 bowersj2 688: =item * help_open_topic($topic, $text, $stayOnPage, $width, $height)
1.44 bowersj2 689:
1.112 bowersj2 690: Returns a string corresponding to an HTML link to the given help
691: $topic, where $topic corresponds to the name of a .tex file in
692: /home/httpd/html/adm/help/tex, with underscores replaced by
693: spaces.
694:
695: $text will optionally be linked to the same topic, allowing you to
696: link text in addition to the graphic. If you do not want to link
697: text, but wish to specify one of the later parameters, pass an
698: empty string.
699:
700: $stayOnPage is a value that will be interpreted as a boolean. If true,
701: the link will not open a new window. If false, the link will open
702: a new window using Javascript. (Default is false.)
703:
704: $width and $height are optional numerical parameters that will
705: override the width and height of the popped up window, which may
706: be useful for certain help topics with big pictures included.
1.44 bowersj2 707:
708: =cut
709:
710: sub help_open_topic {
1.48 bowersj2 711: my ($topic, $text, $stayOnPage, $width, $height) = @_;
712: $text = "" if (not defined $text);
1.44 bowersj2 713: $stayOnPage = 0 if (not defined $stayOnPage);
1.552 banghart 714: if ($env{'browser.interface'} eq 'textual') {
1.79 www 715: $stayOnPage=1;
716: }
1.44 bowersj2 717: $width = 350 if (not defined $width);
718: $height = 400 if (not defined $height);
719: my $filename = $topic;
720: $filename =~ s/ /_/g;
721:
1.48 bowersj2 722: my $template = "";
723: my $link;
1.159 www 724:
725: $topic=~s/\W/\_/g;
1.44 bowersj2 726:
727: if (!$stayOnPage)
728: {
1.72 bowersj2 729: $link = "javascript:void(open('/adm/help/${filename}.hlp', 'Help_for_$topic', 'menubar=0,toolbar=1,scrollbars=1,width=$width,height=$height,resizable=yes'))";
1.44 bowersj2 730: }
731: else
732: {
1.48 bowersj2 733: $link = "/adm/help/${filename}.hlp";
734: }
735:
736: # Add the text
737: if ($text ne "")
738: {
1.77 www 739: $template .=
740: "<table bgcolor='#3333AA' cellspacing='1' cellpadding='1' border='0'><tr>".
1.436 albertel 741: "<td bgcolor='#5555FF'><a target=\"_top\" href=\"$link\"><font color='#FFFFFF' size='2'>$text</font></a>";
1.48 bowersj2 742: }
743:
744: # Add the graphic
1.179 matthew 745: my $title = &mt('Online Help');
1.215 albertel 746: my $helpicon=&lonhttpdurl("/adm/help/gif/smallHelp.gif");
1.48 bowersj2 747: $template .= <<"ENDTEMPLATE";
1.436 albertel 748: <a target="_top" href="$link" title="$title"><img src="$helpicon" border="0" alt="(Help: $topic)" /></a>
1.44 bowersj2 749: ENDTEMPLATE
1.78 www 750: if ($text ne '') { $template.='</td></tr></table>' };
1.44 bowersj2 751: return $template;
752:
1.106 bowersj2 753: }
754:
755: # This is a quicky function for Latex cheatsheet editing, since it
756: # appears in at least four places
757: sub helpLatexCheatsheet {
758: my $other = shift;
759: my $addOther = '';
760: if ($other) {
761: $addOther = Apache::loncommon::help_open_topic($other, shift,
762: undef, undef, 600) .
763: '</td><td>';
764: }
765: return '<table><tr><td>'.
766: $addOther .
767: &Apache::loncommon::help_open_topic("Greek_Symbols",'Greek Symbols',
768: undef,undef,600)
769: .'</td><td>'.
770: &Apache::loncommon::help_open_topic("Other_Symbols",'Other Symbols',
771: undef,undef,600)
772: .'</td></tr></table>';
1.172 www 773: }
774:
1.430 albertel 775: sub general_help {
776: my $helptopic='Student_Intro';
777: if ($env{'request.role'}=~/^(ca|au)/) {
778: $helptopic='Authoring_Intro';
779: } elsif ($env{'request.role'}=~/^cc/) {
780: $helptopic='Course_Coordination_Intro';
781: }
782: return $helptopic;
783: }
784:
785: sub update_help_link {
786: my ($topic,$component_help,$faq,$bug,$stayOnPage) = @_;
787: my $origurl = $ENV{'REQUEST_URI'};
788: $origurl=~s|^/~|/priv/|;
789: my $timestamp = time;
790: foreach my $datum (\$topic,\$component_help,\$faq,\$bug,\$origurl) {
791: $$datum = &escape($$datum);
792: }
793:
794: my $banner_link = "/adm/helpmenu?page=banner&topic=$topic&component_help=$component_help&faq=$faq&bug=$bug&origurl=$origurl&stamp=$timestamp&stayonpage=$stayOnPage";
795: my $output .= <<"ENDOUTPUT";
796: <script type="text/javascript">
797: banner_link = '$banner_link';
798: </script>
799: ENDOUTPUT
800: return $output;
801: }
802:
803: # now just updates the help link and generates a blue icon
1.193 raeburn 804: sub help_open_menu {
1.430 albertel 805: my ($topic,$component_help,$faq,$bug,$stayOnPage,$width,$height,$text)
1.552 banghart 806: = @_;
1.430 albertel 807: $stayOnPage = 0 if (not defined $stayOnPage);
1.552 banghart 808: # formerly only used pop-up help (stayOnPage = 0)
809: # if environment.remote is on (using remote control UI)
810: # if ($env{'browser.interface'} eq 'textual' ||
811: # $env{'environment.remote'} eq 'off' ) {
812: # $stayOnPage=1;
813: #}
814: # Now making pop-up help the default even with remote control
815: if ($env{'browser.interface'} eq 'textual') {
816: $stayOnPage=1;
1.430 albertel 817: }
818: my $output;
819: if ($component_help) {
820: if (!$text) {
821: $output=&help_open_topic($component_help,undef,$stayOnPage,
822: $width,$height);
823: } else {
824: my $help_text;
825: $help_text=&unescape($topic);
826: $output='<table><tr><td>'.
827: &help_open_topic($component_help,$help_text,$stayOnPage,
828: $width,$height).'</td></tr></table>';
829: }
830: }
831: my $banner_link = &update_help_link($topic,$component_help,$faq,$bug,$stayOnPage);
832: return $output.$banner_link;
833: }
834:
835: sub top_nav_help {
836: my ($text) = @_;
837:
1.436 albertel 838: $text = &mt($text);
839:
840: my $stayOnPage =
841: ($env{'browser.interface'} eq 'textual' ||
842: $env{'environment.remote'} eq 'off' );
843: my $link= ($stayOnPage) ? "javascript:helpMenu('display')"
844: : "javascript:helpMenu('open')";
845: my $banner_link = &update_help_link(undef,undef,undef,undef,$stayOnPage);
846:
1.201 raeburn 847: my $title = &mt('Get help');
1.436 albertel 848:
849: return <<"END";
850: $banner_link
851: <a href="$link" title="$title">$text</a>
852: END
853: }
854:
855: sub help_menu_js {
856: my ($text) = @_;
857:
858: my $stayOnPage =
859: ($env{'browser.interface'} eq 'textual' ||
860: $env{'environment.remote'} eq 'off' );
861:
862: my $width = 620;
863: my $height = 600;
1.430 albertel 864: my $helptopic=&general_help();
865: my $details_link = '/adm/help/'.$helptopic.'.hlp';
1.261 albertel 866: my $nothing=&Apache::lonhtmlcommon::javascript_nothing();
1.331 albertel 867: my $start_page =
868: &Apache::loncommon::start_page('Help Menu', undef,
869: {'frameset' => 1,
870: 'js_ready' => 1,
871: 'add_entries' => {
872: 'border' => '0',
1.564.2.10 albertel 873: 'rows' => "110,*",},});
1.331 albertel 874: my $end_page =
875: &Apache::loncommon::end_page({'frameset' => 1,
876: 'js_ready' => 1,});
877:
1.436 albertel 878: my $template .= <<"ENDTEMPLATE";
879: <script type="text/javascript">
1.253 albertel 880: // <!-- BEGIN LON-CAPA Internal
881: // <![CDATA[
1.430 albertel 882: var banner_link = '';
1.243 raeburn 883: function helpMenu(target) {
884: var caller = this;
885: if (target == 'open') {
886: var newWindow = null;
887: try {
1.262 albertel 888: newWindow = window.open($nothing,"helpmenu","HEIGHT=$height,WIDTH=$width,resizable=yes,scrollbars=yes" )
1.243 raeburn 889: }
890: catch(error) {
891: writeHelp(caller);
892: return;
893: }
894: if (newWindow) {
895: caller = newWindow;
896: }
1.193 raeburn 897: }
1.243 raeburn 898: writeHelp(caller);
899: return;
900: }
901: function writeHelp(caller) {
1.430 albertel 902: caller.document.writeln('$start_page<frame name="bannerframe" src="'+banner_link+'" /><frame name="bodyframe" src="$details_link" /> $end_page')
1.243 raeburn 903: caller.document.close()
904: caller.focus()
1.193 raeburn 905: }
1.253 albertel 906: // ]]>
1.219 albertel 907: // END LON-CAPA Internal -->
1.436 albertel 908: </script>
1.193 raeburn 909: ENDTEMPLATE
910: return $template;
911: }
912:
1.172 www 913: sub help_open_bug {
914: my ($topic, $text, $stayOnPage, $width, $height) = @_;
1.258 albertel 915: unless ($env{'user.adv'}) { return ''; }
1.172 www 916: unless ($Apache::lonnet::perlvar{'BugzillaHost'}) { return ''; }
917: $text = "" if (not defined $text);
918: $stayOnPage = 0 if (not defined $stayOnPage);
1.258 albertel 919: if ($env{'browser.interface'} eq 'textual' ||
920: $env{'environment.remote'} eq 'off' ) {
1.172 www 921: $stayOnPage=1;
922: }
1.184 albertel 923: $width = 600 if (not defined $width);
924: $height = 600 if (not defined $height);
1.172 www 925:
926: $topic=~s/\W+/\+/g;
927: my $link='';
928: my $template='';
1.379 albertel 929: my $url=$Apache::lonnet::perlvar{'BugzillaHost'}.'enter_bug.cgi?product=LON-CAPA&bug_file_loc='.
930: &escape($ENV{'REQUEST_URI'}).'&component='.$topic;
1.172 www 931: if (!$stayOnPage)
932: {
933: $link = "javascript:void(open('$url', 'Bugzilla', 'menubar=0,toolbar=1,scrollbars=1,width=$width,height=$height,resizable=yes'))";
934: }
935: else
936: {
937: $link = $url;
938: }
939: # Add the text
940: if ($text ne "")
941: {
942: $template .=
943: "<table bgcolor='#AA3333' cellspacing='1' cellpadding='1' border='0'><tr>".
1.436 albertel 944: "<td bgcolor='#FF5555'><a target=\"_top\" href=\"$link\"><font color='#FFFFFF' size='2'>$text</font></a>";
1.172 www 945: }
946:
947: # Add the graphic
1.179 matthew 948: my $title = &mt('Report a Bug');
1.215 albertel 949: my $bugicon=&lonhttpdurl("/adm/lonMisc/smallBug.gif");
1.172 www 950: $template .= <<"ENDTEMPLATE";
1.436 albertel 951: <a target="_top" href="$link" title="$title"><img src="$bugicon" border="0" alt="(Bug: $topic)" /></a>
1.172 www 952: ENDTEMPLATE
953: if ($text ne '') { $template.='</td></tr></table>' };
954: return $template;
955:
956: }
957:
958: sub help_open_faq {
959: my ($topic, $text, $stayOnPage, $width, $height) = @_;
1.258 albertel 960: unless ($env{'user.adv'}) { return ''; }
1.172 www 961: unless ($Apache::lonnet::perlvar{'FAQHost'}) { return ''; }
962: $text = "" if (not defined $text);
963: $stayOnPage = 0 if (not defined $stayOnPage);
1.258 albertel 964: if ($env{'browser.interface'} eq 'textual' ||
965: $env{'environment.remote'} eq 'off' ) {
1.172 www 966: $stayOnPage=1;
967: }
968: $width = 350 if (not defined $width);
969: $height = 400 if (not defined $height);
970:
971: $topic=~s/\W+/\+/g;
972: my $link='';
973: my $template='';
974: my $url=$Apache::lonnet::perlvar{'FAQHost'}.'/fom/cache/'.$topic.'.html';
975: if (!$stayOnPage)
976: {
977: $link = "javascript:void(open('$url', 'FAQ-O-Matic', 'menubar=0,toolbar=1,scrollbars=1,width=$width,height=$height,resizable=yes'))";
978: }
979: else
980: {
981: $link = $url;
982: }
983:
984: # Add the text
985: if ($text ne "")
986: {
987: $template .=
1.173 www 988: "<table bgcolor='#337733' cellspacing='1' cellpadding='1' border='0'><tr>".
1.436 albertel 989: "<td bgcolor='#448844'><a target=\"_top\" href=\"$link\"><font color='#FFFFFF' size='2'>$text</font></a>";
1.172 www 990: }
991:
992: # Add the graphic
1.179 matthew 993: my $title = &mt('View the FAQ');
1.215 albertel 994: my $faqicon=&lonhttpdurl("/adm/lonMisc/smallFAQ.gif");
1.172 www 995: $template .= <<"ENDTEMPLATE";
1.436 albertel 996: <a target="_top" href="$link" title="$title"><img src="$faqicon" border="0" alt="(FAQ: $topic)" /></a>
1.172 www 997: ENDTEMPLATE
998: if ($text ne '') { $template.='</td></tr></table>' };
999: return $template;
1000:
1.44 bowersj2 1001: }
1.37 matthew 1002:
1.180 matthew 1003: ###############################################################
1004: ###############################################################
1005:
1.45 matthew 1006: =pod
1007:
1.256 matthew 1008: =item * change_content_javascript():
1009:
1010: This and the next function allow you to create small sections of an
1011: otherwise static HTML page that you can update on the fly with
1012: Javascript, even in Netscape 4.
1013:
1014: The Javascript fragment returned by this function (no E<lt>scriptE<gt> tag)
1015: must be written to the HTML page once. It will prove the Javascript
1016: function "change(name, content)". Calling the change function with the
1017: name of the section
1018: you want to update, matching the name passed to C<changable_area>, and
1019: the new content you want to put in there, will put the content into
1020: that area.
1021:
1022: B<Note>: Netscape 4 only reserves enough space for the changable area
1023: to contain room for the original contents. You need to "make space"
1024: for whatever changes you wish to make, and be B<sure> to check your
1025: code in Netscape 4. This feature in Netscape 4 is B<not> powerful;
1026: it's adequate for updating a one-line status display, but little more.
1027: This script will set the space to 100% width, so you only need to
1028: worry about height in Netscape 4.
1029:
1030: Modern browsers are much less limiting, and if you can commit to the
1031: user not using Netscape 4, this feature may be used freely with
1032: pretty much any HTML.
1033:
1034: =cut
1035:
1036: sub change_content_javascript {
1037: # If we're on Netscape 4, we need to use Layer-based code
1.258 albertel 1038: if ($env{'browser.type'} eq 'netscape' &&
1039: $env{'browser.version'} =~ /^4\./) {
1.256 matthew 1040: return (<<NETSCAPE4);
1041: function change(name, content) {
1042: doc = document.layers[name+"___escape"].layers[0].document;
1043: doc.open();
1044: doc.write(content);
1045: doc.close();
1046: }
1047: NETSCAPE4
1048: } else {
1049: # Otherwise, we need to use semi-standards-compliant code
1050: # (technically, "innerHTML" isn't standard but the equivalent
1051: # is really scary, and every useful browser supports it
1052: return (<<DOMBASED);
1053: function change(name, content) {
1054: element = document.getElementById(name);
1055: element.innerHTML = content;
1056: }
1057: DOMBASED
1058: }
1059: }
1060:
1061: =pod
1062:
1063: =item * changable_area($name, $origContent):
1064:
1065: This provides a "changable area" that can be modified on the fly via
1066: the Javascript code provided in C<change_content_javascript>. $name is
1067: the name you will use to reference the area later; do not repeat the
1068: same name on a given HTML page more then once. $origContent is what
1069: the area will originally contain, which can be left blank.
1070:
1071: =cut
1072:
1073: sub changable_area {
1074: my ($name, $origContent) = @_;
1075:
1.258 albertel 1076: if ($env{'browser.type'} eq 'netscape' &&
1077: $env{'browser.version'} =~ /^4\./) {
1.256 matthew 1078: # If this is netscape 4, we need to use the Layer tag
1079: return "<ilayer width='100%' id='${name}___escape' overflow='none'><layer width='100%' id='$name' overflow='none'>$origContent</layer></ilayer>";
1080: } else {
1081: return "<span id='$name'>$origContent</span>";
1082: }
1083: }
1084:
1085: =pod
1086:
1087: =back
1.542 raeburn 1088:
1.256 matthew 1089: =head1 Excel and CSV file utility routines
1090:
1091: =over 4
1092:
1093: =cut
1094:
1095: ###############################################################
1096: ###############################################################
1097:
1098: =pod
1099:
1.112 bowersj2 1100: =item * csv_translate($text)
1.37 matthew 1101:
1.185 www 1102: Translate $text to allow it to be output as a 'comma separated values'
1.37 matthew 1103: format.
1104:
1105: =cut
1106:
1.180 matthew 1107: ###############################################################
1108: ###############################################################
1.37 matthew 1109: sub csv_translate {
1110: my $text = shift;
1111: $text =~ s/\"/\"\"/g;
1.209 albertel 1112: $text =~ s/\n/ /g;
1.37 matthew 1113: return $text;
1114: }
1.180 matthew 1115:
1116: ###############################################################
1117: ###############################################################
1118:
1119: =pod
1120:
1121: =item * define_excel_formats
1122:
1123: Define some commonly used Excel cell formats.
1124:
1125: Currently supported formats:
1126:
1127: =over 4
1128:
1129: =item header
1130:
1131: =item bold
1132:
1133: =item h1
1134:
1135: =item h2
1136:
1137: =item h3
1138:
1.256 matthew 1139: =item h4
1140:
1141: =item i
1142:
1.180 matthew 1143: =item date
1144:
1145: =back
1146:
1147: Inputs: $workbook
1148:
1149: Returns: $format, a hash reference.
1150:
1151: =cut
1152:
1153: ###############################################################
1154: ###############################################################
1155: sub define_excel_formats {
1156: my ($workbook) = @_;
1157: my $format;
1158: $format->{'header'} = $workbook->add_format(bold => 1,
1159: bottom => 1,
1160: align => 'center');
1161: $format->{'bold'} = $workbook->add_format(bold=>1);
1162: $format->{'h1'} = $workbook->add_format(bold=>1, size=>18);
1163: $format->{'h2'} = $workbook->add_format(bold=>1, size=>16);
1164: $format->{'h3'} = $workbook->add_format(bold=>1, size=>14);
1.255 matthew 1165: $format->{'h4'} = $workbook->add_format(bold=>1, size=>12);
1.246 matthew 1166: $format->{'i'} = $workbook->add_format(italic=>1);
1.180 matthew 1167: $format->{'date'} = $workbook->add_format(num_format=>
1.207 matthew 1168: 'mm/dd/yyyy hh:mm:ss');
1.180 matthew 1169: return $format;
1170: }
1171:
1172: ###############################################################
1173: ###############################################################
1.113 bowersj2 1174:
1175: =pod
1176:
1.256 matthew 1177: =item * create_workbook
1.255 matthew 1178:
1179: Create an Excel worksheet. If it fails, output message on the
1180: request object and return undefs.
1181:
1182: Inputs: Apache request object
1183:
1184: Returns (undef) on failure,
1185: Excel worksheet object, scalar with filename, and formats
1186: from &Apache::loncommon::define_excel_formats on success
1187:
1188: =cut
1189:
1190: ###############################################################
1191: ###############################################################
1192: sub create_workbook {
1193: my ($r) = @_;
1194: #
1195: # Create the excel spreadsheet
1196: my $filename = '/prtspool/'.
1.258 albertel 1197: $env{'user.name'}.'_'.$env{'user.domain'}.'_'.
1.255 matthew 1198: time.'_'.rand(1000000000).'.xls';
1199: my $workbook = Spreadsheet::WriteExcel->new('/home/httpd'.$filename);
1200: if (! defined($workbook)) {
1201: $r->log_error("Error creating excel spreadsheet $filename: $!");
1202: $r->print('<p>'.&mt("Unable to create new Excel file. ".
1203: "This error has been logged. ".
1204: "Please alert your LON-CAPA administrator").
1205: '</p>');
1206: return (undef);
1207: }
1208: #
1209: $workbook->set_tempdir('/home/httpd/perl/tmp');
1210: #
1211: my $format = &Apache::loncommon::define_excel_formats($workbook);
1212: return ($workbook,$filename,$format);
1213: }
1214:
1215: ###############################################################
1216: ###############################################################
1217:
1218: =pod
1219:
1.256 matthew 1220: =item * create_text_file
1.113 bowersj2 1221:
1.542 raeburn 1222: Create a file to write to and eventually make available to the user.
1.256 matthew 1223: If file creation fails, outputs an error message on the request object and
1224: return undefs.
1.113 bowersj2 1225:
1.256 matthew 1226: Inputs: Apache request object, and file suffix
1.113 bowersj2 1227:
1.256 matthew 1228: Returns (undef) on failure,
1229: Filehandle and filename on success.
1.113 bowersj2 1230:
1231: =cut
1232:
1.256 matthew 1233: ###############################################################
1234: ###############################################################
1235: sub create_text_file {
1236: my ($r,$suffix) = @_;
1237: if (! defined($suffix)) { $suffix = 'txt'; };
1238: my $fh;
1239: my $filename = '/prtspool/'.
1.258 albertel 1240: $env{'user.name'}.'_'.$env{'user.domain'}.'_'.
1.256 matthew 1241: time.'_'.rand(1000000000).'.'.$suffix;
1242: $fh = Apache::File->new('>/home/httpd'.$filename);
1243: if (! defined($fh)) {
1244: $r->log_error("Couldn't open $filename for output $!");
1245: $r->print("Problems occured in creating the output file. ".
1246: "This error has been logged. ".
1247: "Please alert your LON-CAPA administrator.");
1.113 bowersj2 1248: }
1.256 matthew 1249: return ($fh,$filename)
1.113 bowersj2 1250: }
1251:
1252:
1.256 matthew 1253: =pod
1.113 bowersj2 1254:
1255: =back
1256:
1257: =cut
1.37 matthew 1258:
1259: ###############################################################
1.33 matthew 1260: ## Home server <option> list generating code ##
1261: ###############################################################
1.35 matthew 1262:
1.169 www 1263: # ------------------------------------------
1264:
1265: sub domain_select {
1266: my ($name,$value,$multiple)=@_;
1267: my %domains=map {
1.514 albertel 1268: $_ => $_.' '. &Apache::lonnet::domain($_,'description')
1.512 albertel 1269: } &Apache::lonnet::all_domains();
1.169 www 1270: if ($multiple) {
1271: $domains{''}=&mt('Any domain');
1.550 albertel 1272: $domains{'select_form_order'} = [sort {lc($a) cmp lc($b) } (keys(%domains))];
1.287 albertel 1273: return &multiple_select_form($name,$value,4,\%domains);
1.169 www 1274: } else {
1.550 albertel 1275: $domains{'select_form_order'} = [sort {lc($a) cmp lc($b) } (keys(%domains))];
1.169 www 1276: return &select_form($name,$value,%domains);
1277: }
1278: }
1279:
1.282 albertel 1280: #-------------------------------------------
1281:
1282: =pod
1283:
1.519 raeburn 1284: =head1 Routines for form select boxes
1285:
1286: =over 4
1287:
1288: =cut
1289:
1.287 albertel 1290: =item * multiple_select_form($name,$value,$size,$hash,$order)
1.282 albertel 1291:
1292: Returns a string containing a <select> element int multiple mode
1293:
1294:
1295: Args:
1296: $name - name of the <select> element
1.506 raeburn 1297: $value - scalar or array ref of values that should already be selected
1.282 albertel 1298: $size - number of rows long the select element is
1.283 albertel 1299: $hash - the elements should be 'option' => 'shown text'
1.282 albertel 1300: (shown text should already have been &mt())
1.506 raeburn 1301: $order - (optional) array ref of the order to show the elements in
1.283 albertel 1302:
1.282 albertel 1303: =cut
1304:
1305: #-------------------------------------------
1.169 www 1306: sub multiple_select_form {
1.284 albertel 1307: my ($name,$value,$size,$hash,$order)=@_;
1.169 www 1308: my %selected = map { $_ => 1 } ref($value)?@{$value}:($value);
1309: my $output='';
1.191 matthew 1310: if (! defined($size)) {
1311: $size = 4;
1.283 albertel 1312: if (scalar(keys(%$hash))<4) {
1313: $size = scalar(keys(%$hash));
1.191 matthew 1314: }
1315: }
1.169 www 1316: $output.="\n<select name='$name' size='$size' multiple='1'>";
1.501 banghart 1317: my @order;
1.506 raeburn 1318: if (ref($order) eq 'ARRAY') {
1319: @order = @{$order};
1320: } else {
1321: @order = sort(keys(%$hash));
1.501 banghart 1322: }
1323: if (exists($$hash{'select_form_order'})) {
1324: @order = @{$$hash{'select_form_order'}};
1325: }
1326:
1.284 albertel 1327: foreach my $key (@order) {
1.356 albertel 1328: $output.='<option value="'.&HTML::Entities::encode($key,'"<>&').'" ';
1.284 albertel 1329: $output.='selected="selected" ' if ($selected{$key});
1330: $output.='>'.$hash->{$key}."</option>\n";
1.169 www 1331: }
1332: $output.="</select>\n";
1333: return $output;
1334: }
1335:
1.88 www 1336: #-------------------------------------------
1337:
1338: =pod
1339:
1.112 bowersj2 1340: =item * select_form($defdom,$name,%hash)
1.88 www 1341:
1342: Returns a string containing a <select name='$name' size='1'> form to
1343: allow a user to select options from a hash option_name => displayed text.
1344: See lonrights.pm for an example invocation and use.
1345:
1346: =cut
1347:
1348: #-------------------------------------------
1349: sub select_form {
1350: my ($def,$name,%hash) = @_;
1351: my $selectform = "<select name=\"$name\" size=\"1\">\n";
1.128 albertel 1352: my @keys;
1353: if (exists($hash{'select_form_order'})) {
1354: @keys=@{$hash{'select_form_order'}};
1355: } else {
1356: @keys=sort(keys(%hash));
1357: }
1.356 albertel 1358: foreach my $key (@keys) {
1359: $selectform.=
1360: '<option value="'.&HTML::Entities::encode($key,'"<>&').'" '.
1361: ($key eq $def ? 'selected="selected" ' : '').
1362: ">".&mt($hash{$key})."</option>\n";
1.88 www 1363: }
1364: $selectform.="</select>";
1365: return $selectform;
1366: }
1367:
1.475 www 1368: # For display filters
1369:
1370: sub display_filter {
1371: if (!$env{'form.show'}) { $env{'form.show'}=10; }
1.477 www 1372: if (!$env{'form.displayfilter'}) { $env{'form.displayfilter'}='currentfolder'; }
1.475 www 1373: return '<nobr><label>'.&mt('Records [_1]',
1374: &Apache::lonmeta::selectbox('show',$env{'form.show'},undef,
1375: (&mt('all'),10,20,50,100,1000,10000))).
1.478 www 1376: '</label></nobr> <nobr>'.
1.475 www 1377: &mt('Filter [_1]',
1.477 www 1378: &select_form($env{'form.displayfilter'},
1379: 'displayfilter',
1380: ('currentfolder' => 'Current folder/page',
1381: 'containing' => 'Containing phrase',
1382: 'none' => 'None'))).
1.478 www 1383: '<input type="text" name="containingphrase" size="30" value="'.&HTML::Entities::encode($env{'form.containingphrase'}).'" /></nobr>';
1.475 www 1384: }
1385:
1.167 www 1386: sub gradeleveldescription {
1387: my $gradelevel=shift;
1388: my %gradelevels=(0 => 'Not specified',
1389: 1 => 'Grade 1',
1390: 2 => 'Grade 2',
1391: 3 => 'Grade 3',
1392: 4 => 'Grade 4',
1393: 5 => 'Grade 5',
1394: 6 => 'Grade 6',
1395: 7 => 'Grade 7',
1396: 8 => 'Grade 8',
1397: 9 => 'Grade 9',
1398: 10 => 'Grade 10',
1399: 11 => 'Grade 11',
1400: 12 => 'Grade 12',
1401: 13 => 'Grade 13',
1402: 14 => '100 Level',
1403: 15 => '200 Level',
1404: 16 => '300 Level',
1405: 17 => '400 Level',
1406: 18 => 'Graduate Level');
1407: return &mt($gradelevels{$gradelevel});
1408: }
1409:
1.163 www 1410: sub select_level_form {
1411: my ($deflevel,$name)=@_;
1412: unless ($deflevel) { $deflevel=0; }
1.167 www 1413: my $selectform = "<select name=\"$name\" size=\"1\">\n";
1414: for (my $i=0; $i<=18; $i++) {
1415: $selectform.="<option value=\"$i\" ".
1.253 albertel 1416: ($i==$deflevel ? 'selected="selected" ' : '').
1.167 www 1417: ">".&gradeleveldescription($i)."</option>\n";
1418: }
1419: $selectform.="</select>";
1420: return $selectform;
1.163 www 1421: }
1.167 www 1422:
1.35 matthew 1423: #-------------------------------------------
1424:
1.45 matthew 1425: =pod
1426:
1.563 raeburn 1427: =item * select_dom_form($defdom,$name,$includeempty,$showdomdesc)
1.35 matthew 1428:
1429: Returns a string containing a <select name='$name' size='1'> form to
1430: allow a user to select the domain to preform an operation in.
1431: See loncreateuser.pm for an example invocation and use.
1432:
1.90 www 1433: If the $includeempty flag is set, it also includes an empty choice ("no domain
1434: selected");
1435:
1.563 raeburn 1436: If the $showdomdesc flag is set, the domain name is followed by the domain description.
1437:
1.35 matthew 1438: =cut
1439:
1440: #-------------------------------------------
1.34 matthew 1441: sub select_dom_form {
1.563 raeburn 1442: my ($defdom,$name,$includeempty,$showdomdesc) = @_;
1.550 albertel 1443: my @domains = sort {lc($a) cmp lc($b)} (&Apache::lonnet::all_domains());
1.90 www 1444: if ($includeempty) { @domains=('',@domains); }
1.34 matthew 1445: my $selectdomain = "<select name=\"$name\" size=\"1\">\n";
1.356 albertel 1446: foreach my $dom (@domains) {
1447: $selectdomain.="<option value=\"$dom\" ".
1.563 raeburn 1448: ($dom eq $defdom ? 'selected="selected" ' : '').'>'.$dom;
1449: if ($showdomdesc) {
1450: if ($dom ne '') {
1451: my $domdesc = &Apache::lonnet::domain($dom,'description');
1452: if ($domdesc ne '') {
1453: $selectdomain .= ' ('.$domdesc.')';
1454: }
1455: }
1456: }
1457: $selectdomain .= "</option>\n";
1.34 matthew 1458: }
1459: $selectdomain.="</select>";
1460: return $selectdomain;
1461: }
1462:
1.35 matthew 1463: #-------------------------------------------
1464:
1.45 matthew 1465: =pod
1466:
1.112 bowersj2 1467: =item * home_server_option_list($domain)
1.35 matthew 1468:
1469: returns a string which contains an <option> list to be used in a
1470: <select> form input. See loncreateuser.pm for an example.
1471:
1472: =cut
1473:
1474: #-------------------------------------------
1.33 matthew 1475: sub home_server_option_list {
1476: my $domain = shift;
1.513 albertel 1477: my %servers = &Apache::lonnet::get_servers($domain,'library');
1.33 matthew 1478: my $result = '';
1.356 albertel 1479: foreach my $hostid (sort(keys(%servers))) {
1.33 matthew 1480: $result.=
1.356 albertel 1481: '<option value="'.$hostid.'">'.
1482: $hostid.' '.$servers{$hostid}."</option>\n";
1.33 matthew 1483: }
1484: return $result;
1485: }
1.112 bowersj2 1486:
1487: =pod
1488:
1.534 albertel 1489: =back
1490:
1.112 bowersj2 1491: =cut
1.87 matthew 1492:
1493: ###############################################################
1.112 bowersj2 1494: ## Decoding User Agent ##
1.87 matthew 1495: ###############################################################
1496:
1497: =pod
1498:
1.112 bowersj2 1499: =head1 Decoding the User Agent
1500:
1501: =over 4
1502:
1503: =item * &decode_user_agent()
1.87 matthew 1504:
1505: Inputs: $r
1506:
1507: Outputs:
1508:
1509: =over 4
1510:
1.112 bowersj2 1511: =item * $httpbrowser
1.87 matthew 1512:
1.112 bowersj2 1513: =item * $clientbrowser
1.87 matthew 1514:
1.112 bowersj2 1515: =item * $clientversion
1.87 matthew 1516:
1.112 bowersj2 1517: =item * $clientmathml
1.87 matthew 1518:
1.112 bowersj2 1519: =item * $clientunicode
1.87 matthew 1520:
1.112 bowersj2 1521: =item * $clientos
1.87 matthew 1522:
1523: =back
1524:
1.157 matthew 1525: =back
1526:
1.87 matthew 1527: =cut
1528:
1529: ###############################################################
1530: ###############################################################
1531: sub decode_user_agent {
1.247 albertel 1532: my ($r)=@_;
1.87 matthew 1533: my @browsertype=split(/\&/,$Apache::lonnet::perlvar{"lonBrowsDet"});
1534: my %mathcap=split(/\&/,$$Apache::lonnet::perlvar{"lonMathML"});
1535: my $httpbrowser=$ENV{"HTTP_USER_AGENT"};
1.247 albertel 1536: if (!$httpbrowser && $r) { $httpbrowser=$r->header_in('User-Agent'); }
1.87 matthew 1537: my $clientbrowser='unknown';
1538: my $clientversion='0';
1539: my $clientmathml='';
1540: my $clientunicode='0';
1541: for (my $i=0;$i<=$#browsertype;$i++) {
1542: my ($bname,$match,$notmatch,$vreg,$minv,$univ)=split(/\:/,$browsertype[$i]);
1543: if (($httpbrowser=~/$match/i) && ($httpbrowser!~/$notmatch/i)) {
1544: $clientbrowser=$bname;
1545: $httpbrowser=~/$vreg/i;
1546: $clientversion=$1;
1547: $clientmathml=($clientversion>=$minv);
1548: $clientunicode=($clientversion>=$univ);
1549: }
1550: }
1551: my $clientos='unknown';
1552: if (($httpbrowser=~/linux/i) ||
1553: ($httpbrowser=~/unix/i) ||
1554: ($httpbrowser=~/ux/i) ||
1555: ($httpbrowser=~/solaris/i)) { $clientos='unix'; }
1556: if (($httpbrowser=~/vax/i) ||
1557: ($httpbrowser=~/vms/i)) { $clientos='vms'; }
1558: if ($httpbrowser=~/next/i) { $clientos='next'; }
1559: if (($httpbrowser=~/mac/i) ||
1560: ($httpbrowser=~/powerpc/i)) { $clientos='mac'; }
1561: if ($httpbrowser=~/win/i) { $clientos='win'; }
1562: if ($httpbrowser=~/embed/i) { $clientos='pda'; }
1563: return ($httpbrowser,$clientbrowser,$clientversion,$clientmathml,
1564: $clientunicode,$clientos,);
1565: }
1566:
1.32 matthew 1567: ###############################################################
1568: ## Authentication changing form generation subroutines ##
1569: ###############################################################
1570: ##
1571: ## All of the authform_xxxxxxx subroutines take their inputs in a
1572: ## hash, and have reasonable default values.
1573: ##
1574: ## formname = the name given in the <form> tag.
1.35 matthew 1575: #-------------------------------------------
1576:
1.45 matthew 1577: =pod
1578:
1.112 bowersj2 1579: =head1 Authentication Routines
1580:
1581: =over 4
1582:
1583: =item * authform_xxxxxx
1.35 matthew 1584:
1585: The authform_xxxxxx subroutines provide javascript and html forms which
1586: handle some of the conveniences required for authentication forms.
1587: This is not an optimal method, but it works.
1588:
1589: See loncreateuser.pm for invocation and use examples.
1590:
1591: =over 4
1592:
1.112 bowersj2 1593: =item * authform_header
1.35 matthew 1594:
1.112 bowersj2 1595: =item * authform_authorwarning
1.35 matthew 1596:
1.112 bowersj2 1597: =item * authform_nochange
1.35 matthew 1598:
1.112 bowersj2 1599: =item * authform_kerberos
1.35 matthew 1600:
1.112 bowersj2 1601: =item * authform_internal
1.35 matthew 1602:
1.112 bowersj2 1603: =item * authform_filesystem
1.35 matthew 1604:
1605: =back
1606:
1.157 matthew 1607: =back
1608:
1.35 matthew 1609: =cut
1610:
1611: #-------------------------------------------
1.32 matthew 1612: sub authform_header{
1613: my %in = (
1614: formname => 'cu',
1.80 albertel 1615: kerb_def_dom => '',
1.32 matthew 1616: @_,
1617: );
1618: $in{'formname'} = 'document.' . $in{'formname'};
1619: my $result='';
1.80 albertel 1620:
1621: #---------------------------------------------- Code for upper case translation
1622: my $Javascript_toUpperCase;
1623: unless ($in{kerb_def_dom}) {
1624: $Javascript_toUpperCase =<<"END";
1625: switch (choice) {
1626: case 'krb': currentform.elements[choicearg].value =
1627: currentform.elements[choicearg].value.toUpperCase();
1628: break;
1629: default:
1630: }
1631: END
1632: } else {
1633: $Javascript_toUpperCase = "";
1634: }
1635:
1.165 raeburn 1636: my $radioval = "'nochange'";
1.174 matthew 1637: if (exists($in{'curr_authtype'}) &&
1638: defined($in{'curr_authtype'}) &&
1639: $in{'curr_authtype'} ne '') {
1640: $radioval = "'$in{'curr_authtype'}arg'";
1641: }
1.165 raeburn 1642: my $argfield = 'null';
1643: if ( grep/^mode$/,(keys %in) ) {
1644: if ($in{'mode'} eq 'modifycourse') {
1645: if ( grep/^curr_authtype$/,(keys %in) ) {
1646: $radioval = "'$in{'curr_authtype'}'";
1647: }
1648: if ( grep/^curr_autharg$/,(keys %in) ) {
1649: unless ($in{'curr_autharg'} eq '') {
1650: $argfield = "'$in{'curr_autharg'}'";
1651: }
1652: }
1653: }
1654: }
1655:
1.32 matthew 1656: $result.=<<"END";
1657: var current = new Object();
1.165 raeburn 1658: current.radiovalue = $radioval;
1659: current.argfield = $argfield;
1.32 matthew 1660:
1661: function changed_radio(choice,currentform) {
1662: var choicearg = choice + 'arg';
1663: // If a radio button in changed, we need to change the argfield
1664: if (current.radiovalue != choice) {
1665: current.radiovalue = choice;
1666: if (current.argfield != null) {
1667: currentform.elements[current.argfield].value = '';
1668: }
1669: if (choice == 'nochange') {
1670: current.argfield = null;
1671: } else {
1672: current.argfield = choicearg;
1673: switch(choice) {
1674: case 'krb':
1675: currentform.elements[current.argfield].value =
1676: "$in{'kerb_def_dom'}";
1677: break;
1678: default:
1679: break;
1680: }
1681: }
1682: }
1683: return;
1684: }
1.22 www 1685:
1.32 matthew 1686: function changed_text(choice,currentform) {
1687: var choicearg = choice + 'arg';
1688: if (currentform.elements[choicearg].value !='') {
1.80 albertel 1689: $Javascript_toUpperCase
1.32 matthew 1690: // clear old field
1691: if ((current.argfield != choicearg) && (current.argfield != null)) {
1692: currentform.elements[current.argfield].value = '';
1693: }
1694: current.argfield = choicearg;
1695: }
1696: set_auth_radio_buttons(choice,currentform);
1697: return;
1.20 www 1698: }
1.32 matthew 1699:
1700: function set_auth_radio_buttons(newvalue,currentform) {
1701: var i=0;
1702: while (i < currentform.login.length) {
1703: if (currentform.login[i].value == newvalue) { break; }
1704: i++;
1705: }
1706: if (i == currentform.login.length) {
1707: return;
1708: }
1709: current.radiovalue = newvalue;
1710: currentform.login[i].checked = true;
1711: return;
1712: }
1713: END
1714: return $result;
1715: }
1716:
1717: sub authform_authorwarning{
1718: my $result='';
1.144 matthew 1719: $result='<i>'.
1720: &mt('As a general rule, only authors or co-authors should be '.
1721: 'filesystem authenticated '.
1722: '(which allows access to the server filesystem).')."</i>\n";
1.32 matthew 1723: return $result;
1724: }
1725:
1726: sub authform_nochange{
1727: my %in = (
1728: formname => 'document.cu',
1729: kerb_def_dom => 'MSU.EDU',
1730: @_,
1731: );
1.281 albertel 1732: my $result = '<label>'.&mt('[_1] Do not change login data',
1.144 matthew 1733: '<input type="radio" name="login" value="nochange" '.
1734: 'checked="checked" onclick="'.
1.281 albertel 1735: "javascript:changed_radio('nochange',$in{'formname'});".'" />').
1736: '</label>';
1.32 matthew 1737: return $result;
1738: }
1739:
1740: sub authform_kerberos{
1741: my %in = (
1742: formname => 'document.cu',
1743: kerb_def_dom => 'MSU.EDU',
1.80 albertel 1744: kerb_def_auth => 'krb4',
1.32 matthew 1745: @_,
1746: );
1.165 raeburn 1747: my ($check4,$check5,$krbarg);
1.80 albertel 1748: if ($in{'kerb_def_auth'} eq 'krb5') {
1749: $check5 = " checked=\"on\"";
1750: } else {
1751: $check4 = " checked=\"on\"";
1752: }
1.165 raeburn 1753: $krbarg = $in{'kerb_def_dom'};
1754:
1755: my $krbcheck = "";
1756: if ( grep/^curr_authtype$/,(keys %in) ) {
1757: if ($in{'curr_authtype'} =~ m/^krb/) {
1758: $krbcheck = " checked=\"on\"";
1759: if ( grep/^curr_autharg$/,(keys %in) ) {
1760: $krbarg = $in{'curr_autharg'};
1761: }
1762: }
1763: }
1764:
1.144 matthew 1765: my $jscall = "javascript:changed_radio('krb',$in{'formname'});";
1766: my $result .= &mt
1767: ('[_1] Kerberos authenticated with domain [_2] '.
1.281 albertel 1768: '[_3] Version 4 [_4] Version 5 [_5]',
1769: '<label><input type="radio" name="login" value="krb" '.
1.165 raeburn 1770: 'onclick="'.$jscall.'" onchange="'.$jscall.'"'.$krbcheck.' />',
1.281 albertel 1771: '</label><input type="text" size="10" name="krbarg" '.
1.165 raeburn 1772: 'value="'.$krbarg.'" '.
1.144 matthew 1773: 'onchange="'.$jscall.'" />',
1.281 albertel 1774: '<label><input type="radio" name="krbver" value="4" '.$check4.' />',
1775: '</label><label><input type="radio" name="krbver" value="5" '.$check5.' />',
1776: '</label>');
1.32 matthew 1777: return $result;
1778: }
1779:
1780: sub authform_internal{
1781: my %args = (
1782: formname => 'document.cu',
1783: kerb_def_dom => 'MSU.EDU',
1784: @_,
1785: );
1.165 raeburn 1786:
1787: my $intcheck = "";
1788: my $intarg = 'value=""';
1789: if ( grep/^curr_authtype$/,(keys %args) ) {
1790: if ($args{'curr_authtype'} eq 'int') {
1791: $intcheck = " checked=\"on\"";
1792: if ( grep/^curr_autharg$/,(keys %args) ) {
1793: $intarg = "value=\"$args{'curr_autharg'}\"";
1794: }
1795: }
1796: }
1797:
1.144 matthew 1798: my $jscall = "javascript:changed_radio('int',$args{'formname'});";
1799: my $result.=&mt
1800: ('[_1] Internally authenticated (with initial password [_2])',
1.281 albertel 1801: '<label><input type="radio" name="login" value="int" '.$intcheck.
1.165 raeburn 1802: ' onchange="'.$jscall.'" onclick="'.$jscall.'" />',
1.281 albertel 1803: '</label><input type="text" size="10" name="intarg" '.$intarg.
1.165 raeburn 1804: ' onchange="'.$jscall.'" />');
1.32 matthew 1805: return $result;
1806: }
1807:
1808: sub authform_local{
1809: my %in = (
1810: formname => 'document.cu',
1811: kerb_def_dom => 'MSU.EDU',
1812: @_,
1813: );
1.165 raeburn 1814:
1815: my $loccheck = "";
1816: my $locarg = 'value=""';
1817: if ( grep/^curr_authtype$/,(keys %in) ) {
1818: if ($in{'curr_authtype'} eq 'loc') {
1819: $loccheck = " checked=\"on\"";
1820: if ( grep/^curr_autharg$/,(keys %in) ) {
1821: $locarg = "value=\"$in{'curr_autharg'}\"";
1822: }
1823: }
1824: }
1825:
1.144 matthew 1826: my $jscall = "javascript:changed_radio('loc',$in{'formname'});";
1.160 matthew 1827: my $result.=&mt('[_1] Local Authentication with argument [_2]',
1.281 albertel 1828: '<label><input type="radio" name="login" value="loc" '.$loccheck.
1.165 raeburn 1829: ' onchange="'.$jscall.'" onclick="'.$jscall.'" />',
1.281 albertel 1830: '</label><input type="text" size="10" name="locarg" '.$locarg.
1.165 raeburn 1831: ' onchange="'.$jscall.'" />');
1.32 matthew 1832: return $result;
1833: }
1834:
1835: sub authform_filesystem{
1836: my %in = (
1837: formname => 'document.cu',
1838: kerb_def_dom => 'MSU.EDU',
1839: @_,
1840: );
1.144 matthew 1841: my $jscall = "javascript:changed_radio('fsys',$in{'formname'});";
1842: my $result.= &mt
1843: ('[_1] Filesystem Authenticated (with initial password [_2])',
1.281 albertel 1844: '<label><input type="radio" name="login" value="fsys" '.
1.144 matthew 1845: 'onchange="'.$jscall.'" onclick="'.$jscall.'" />',
1.281 albertel 1846: '</label><input type="text" size="10" name="fsysarg" value="" '.
1.144 matthew 1847: 'onchange="'.$jscall.'" />');
1.32 matthew 1848: return $result;
1849: }
1850:
1.80 albertel 1851: ###############################################################
1852: ## Get Authentication Defaults for Domain ##
1853: ###############################################################
1854:
1855: =pod
1856:
1.112 bowersj2 1857: =head1 Domains and Authentication
1858:
1859: Returns default authentication type and an associated argument as
1860: listed in file 'domain.tab'.
1861:
1862: =over 4
1863:
1864: =item * get_auth_defaults
1.80 albertel 1865:
1866: get_auth_defaults($target_domain) returns the default authentication
1867: type and an associated argument (initial password or a kerberos domain).
1868: These values are stored in lonTabs/domain.tab
1869:
1870: ($def_auth, $def_arg) = &get_auth_defaults($target_domain);
1871:
1872: If target_domain is not found in domain.tab, returns nothing ('').
1873:
1874: =cut
1875:
1876: #-------------------------------------------
1877: sub get_auth_defaults {
1878: my $domain=shift;
1.514 albertel 1879: return (&Apache::lonnet::domain($domain,'auth_def'),
1880: &Apache::lonnet::domain($domain,'auth_arg_def'));
1881:
1.80 albertel 1882: }
1883: ###############################################################
1884: ## End Get Authentication Defaults for Domain ##
1885: ###############################################################
1886:
1887: ###############################################################
1888: ## Get Kerberos Defaults for Domain ##
1889: ###############################################################
1890: ##
1891: ## Returns default kerberos version and an associated argument
1892: ## as listed in file domain.tab. If not listed, provides
1893: ## appropriate default domain and kerberos version.
1894: ##
1895: #-------------------------------------------
1896:
1897: =pod
1898:
1.112 bowersj2 1899: =item * get_kerberos_defaults
1.80 albertel 1900:
1901: get_kerberos_defaults($target_domain) returns the default kerberos
1902: version and domain. If not found in domain.tabs, it defaults to
1903: version 4 and the domain of the server.
1904:
1905: ($def_version, $def_krb_domain) = &get_kerberos_defaults($target_domain);
1906:
1907: =cut
1908:
1909: #-------------------------------------------
1910: sub get_kerberos_defaults {
1911: my $domain=shift;
1912: my ($krbdef,$krbdefdom) =
1913: &Apache::loncommon::get_auth_defaults($domain);
1914: unless ($krbdef =~/^krb/ && $krbdefdom) {
1915: $ENV{'SERVER_NAME'}=~/(\w+\.\w+)$/;
1916: my $krbdefdom=$1;
1917: $krbdefdom=~tr/a-z/A-Z/;
1918: $krbdef = "krb4";
1919: }
1920: return ($krbdef,$krbdefdom);
1921: }
1.112 bowersj2 1922:
1923: =pod
1924:
1925: =back
1926:
1927: =cut
1.32 matthew 1928:
1.46 matthew 1929: ###############################################################
1930: ## Thesaurus Functions ##
1931: ###############################################################
1.20 www 1932:
1.46 matthew 1933: =pod
1.20 www 1934:
1.112 bowersj2 1935: =head1 Thesaurus Functions
1936:
1937: =over 4
1938:
1939: =item * initialize_keywords
1.46 matthew 1940:
1941: Initializes the package variable %Keywords if it is empty. Uses the
1942: package variable $thesaurus_db_file.
1943:
1944: =cut
1945:
1946: ###################################################
1947:
1948: sub initialize_keywords {
1949: return 1 if (scalar keys(%Keywords));
1950: # If we are here, %Keywords is empty, so fill it up
1951: # Make sure the file we need exists...
1952: if (! -e $thesaurus_db_file) {
1953: &Apache::lonnet::logthis("Attempt to access $thesaurus_db_file".
1954: " failed because it does not exist");
1955: return 0;
1956: }
1957: # Set up the hash as a database
1958: my %thesaurus_db;
1959: if (! tie(%thesaurus_db,'GDBM_File',
1.53 albertel 1960: $thesaurus_db_file,&GDBM_READER(),0640)){
1.46 matthew 1961: &Apache::lonnet::logthis("Could not tie \%thesaurus_db to ".
1962: $thesaurus_db_file);
1963: return 0;
1964: }
1965: # Get the average number of appearances of a word.
1966: my $avecount = $thesaurus_db{'average.count'};
1967: # Put keywords (those that appear > average) into %Keywords
1968: while (my ($word,$data)=each (%thesaurus_db)) {
1969: my ($count,undef) = split /:/,$data;
1970: $Keywords{$word}++ if ($count > $avecount);
1971: }
1972: untie %thesaurus_db;
1973: # Remove special values from %Keywords.
1.356 albertel 1974: foreach my $value ('total.count','average.count') {
1975: delete($Keywords{$value}) if (exists($Keywords{$value}));
1.46 matthew 1976: }
1977: return 1;
1978: }
1979:
1980: ###################################################
1981:
1982: =pod
1983:
1.112 bowersj2 1984: =item * keyword($word)
1.46 matthew 1985:
1986: Returns true if $word is a keyword. A keyword is a word that appears more
1987: than the average number of times in the thesaurus database. Calls
1988: &initialize_keywords
1989:
1990: =cut
1991:
1992: ###################################################
1.20 www 1993:
1994: sub keyword {
1.46 matthew 1995: return if (!&initialize_keywords());
1996: my $word=lc(shift());
1997: $word=~s/\W//g;
1998: return exists($Keywords{$word});
1.20 www 1999: }
1.46 matthew 2000:
2001: ###############################################################
2002:
2003: =pod
1.20 www 2004:
1.112 bowersj2 2005: =item * get_related_words
1.46 matthew 2006:
1.160 matthew 2007: Look up a word in the thesaurus. Takes a scalar argument and returns
1.46 matthew 2008: an array of words. If the keyword is not in the thesaurus, an empty array
2009: will be returned. The order of the words returned is determined by the
2010: database which holds them.
2011:
2012: Uses global $thesaurus_db_file.
2013:
2014: =cut
2015:
2016: ###############################################################
2017: sub get_related_words {
2018: my $keyword = shift;
2019: my %thesaurus_db;
2020: if (! -e $thesaurus_db_file) {
2021: &Apache::lonnet::logthis("Attempt to access $thesaurus_db_file ".
2022: "failed because the file does not exist");
2023: return ();
2024: }
2025: if (! tie(%thesaurus_db,'GDBM_File',
1.53 albertel 2026: $thesaurus_db_file,&GDBM_READER(),0640)){
1.46 matthew 2027: return ();
2028: }
2029: my @Words=();
1.429 www 2030: my $count=0;
1.46 matthew 2031: if (exists($thesaurus_db{$keyword})) {
1.356 albertel 2032: # The first element is the number of times
2033: # the word appears. We do not need it now.
1.429 www 2034: my (undef,@RelatedWords) = (split(/:/,$thesaurus_db{$keyword}));
2035: my (undef,$mostfrequentcount)=split(/\,/,$RelatedWords[0]);
2036: my $threshold=$mostfrequentcount/10;
2037: foreach my $possibleword (@RelatedWords) {
2038: my ($word,$wordcount)=split(/\,/,$possibleword);
2039: if ($wordcount>$threshold) {
2040: push(@Words,$word);
2041: $count++;
2042: if ($count>10) { last; }
2043: }
1.20 www 2044: }
2045: }
1.46 matthew 2046: untie %thesaurus_db;
2047: return @Words;
1.14 harris41 2048: }
1.46 matthew 2049:
1.112 bowersj2 2050: =pod
2051:
2052: =back
2053:
2054: =cut
1.61 www 2055:
2056: # -------------------------------------------------------------- Plaintext name
1.81 albertel 2057: =pod
2058:
1.112 bowersj2 2059: =head1 User Name Functions
2060:
2061: =over 4
2062:
1.226 albertel 2063: =item * plainname($uname,$udom,$first)
1.81 albertel 2064:
1.112 bowersj2 2065: Takes a users logon name and returns it as a string in
1.226 albertel 2066: "first middle last generation" form
2067: if $first is set to 'lastname' then it returns it as
2068: 'lastname generation, firstname middlename' if their is a lastname
1.81 albertel 2069:
2070: =cut
1.61 www 2071:
1.295 www 2072:
1.81 albertel 2073: ###############################################################
1.61 www 2074: sub plainname {
1.226 albertel 2075: my ($uname,$udom,$first)=@_;
1.537 albertel 2076: return if (!defined($uname) || !defined($udom));
1.295 www 2077: my %names=&getnames($uname,$udom);
1.226 albertel 2078: my $name=&Apache::lonnet::format_name($names{'firstname'},
2079: $names{'middlename'},
2080: $names{'lastname'},
2081: $names{'generation'},$first);
2082: $name=~s/^\s+//;
1.62 www 2083: $name=~s/\s+$//;
2084: $name=~s/\s+/ /g;
1.353 albertel 2085: if ($name !~ /\S/) { $name=$uname.':'.$udom; }
1.62 www 2086: return $name;
1.61 www 2087: }
1.66 www 2088:
2089: # -------------------------------------------------------------------- Nickname
1.81 albertel 2090: =pod
2091:
1.112 bowersj2 2092: =item * nickname($uname,$udom)
1.81 albertel 2093:
2094: Gets a users name and returns it as a string as
2095:
2096: ""nickname""
1.66 www 2097:
1.81 albertel 2098: if the user has a nickname or
2099:
2100: "first middle last generation"
2101:
2102: if the user does not
2103:
2104: =cut
1.66 www 2105:
2106: sub nickname {
2107: my ($uname,$udom)=@_;
1.537 albertel 2108: return if (!defined($uname) || !defined($udom));
1.295 www 2109: my %names=&getnames($uname,$udom);
1.68 albertel 2110: my $name=$names{'nickname'};
1.66 www 2111: if ($name) {
2112: $name='"'.$name.'"';
2113: } else {
2114: $name=$names{'firstname'}.' '.$names{'middlename'}.' '.
2115: $names{'lastname'}.' '.$names{'generation'};
2116: $name=~s/\s+$//;
2117: $name=~s/\s+/ /g;
2118: }
2119: return $name;
2120: }
2121:
1.295 www 2122: sub getnames {
2123: my ($uname,$udom)=@_;
1.537 albertel 2124: return if (!defined($uname) || !defined($udom));
1.433 albertel 2125: if ($udom eq 'public' && $uname eq 'public') {
2126: return ('lastname' => &mt('Public'));
2127: }
1.295 www 2128: my $id=$uname.':'.$udom;
2129: my ($names,$cached)=&Apache::lonnet::is_cached_new('namescache',$id);
2130: if ($cached) {
2131: return %{$names};
2132: } else {
2133: my %loadnames=&Apache::lonnet::get('environment',
2134: ['firstname','middlename','lastname','generation','nickname'],
2135: $udom,$uname);
2136: &Apache::lonnet::do_cache_new('namescache',$id,\%loadnames);
2137: return %loadnames;
2138: }
2139: }
1.61 www 2140:
1.542 raeburn 2141: # -------------------------------------------------------------------- getemails
2142: =pod
2143:
2144: =item * getemails($uname,$udom)
2145:
2146: Gets a user's email information and returns it as a hash with keys:
2147: notification, critnotification, permanentemail
2148:
2149: For notification and critnotification, values are comma-separated lists
2150: of e-mail address(es); for permanentemail, value is a single e-mail address.
2151:
2152: =cut
2153:
1.466 albertel 2154: sub getemails {
2155: my ($uname,$udom)=@_;
2156: if ($udom eq 'public' && $uname eq 'public') {
2157: return;
2158: }
1.467 www 2159: if (!$udom) { $udom=$env{'user.domain'}; }
2160: if (!$uname) { $uname=$env{'user.name'}; }
1.466 albertel 2161: my $id=$uname.':'.$udom;
2162: my ($names,$cached)=&Apache::lonnet::is_cached_new('emailscache',$id);
2163: if ($cached) {
2164: return %{$names};
2165: } else {
2166: my %loadnames=&Apache::lonnet::get('environment',
2167: ['notification','critnotification',
2168: 'permanentemail'],
2169: $udom,$uname);
2170: &Apache::lonnet::do_cache_new('emailscache',$id,\%loadnames);
2171: return %loadnames;
2172: }
2173: }
2174:
1.551 albertel 2175: sub flush_email_cache {
2176: my ($uname,$udom)=@_;
2177: if (!$udom) { $udom =$env{'user.domain'}; }
2178: if (!$uname) { $uname=$env{'user.name'}; }
2179: return if ($udom eq 'public' && $uname eq 'public');
2180: my $id=$uname.':'.$udom;
2181: &Apache::lonnet::devalidate_cache_new('emailscache',$id);
2182: }
2183:
1.61 www 2184: # ------------------------------------------------------------------ Screenname
1.81 albertel 2185:
2186: =pod
2187:
1.112 bowersj2 2188: =item * screenname($uname,$udom)
1.81 albertel 2189:
2190: Gets a users screenname and returns it as a string
2191:
2192: =cut
1.61 www 2193:
2194: sub screenname {
2195: my ($uname,$udom)=@_;
1.258 albertel 2196: if ($uname eq $env{'user.name'} &&
2197: $udom eq $env{'user.domain'}) {return $env{'environment.screenname'};}
1.212 albertel 2198: my %names=&Apache::lonnet::get('environment',['screenname'],$udom,$uname);
1.68 albertel 2199: return $names{'screenname'};
1.62 www 2200: }
2201:
1.212 albertel 2202:
1.62 www 2203: # ------------------------------------------------------------- Message Wrapper
2204:
2205: sub messagewrapper {
1.369 www 2206: my ($link,$username,$domain,$subject,$text)=@_;
1.62 www 2207: return
1.441 albertel 2208: '<a href="/adm/email?compose=individual&'.
2209: 'recname='.$username.'&recdom='.$domain.
2210: '&subject='.&escape($subject).'&text='.&escape($text).'" '.
1.200 matthew 2211: 'title="'.&mt('Send message').'">'.$link.'</a>';
1.74 www 2212: }
2213: # --------------------------------------------------------------- Notes Wrapper
2214:
2215: sub noteswrapper {
2216: my ($link,$un,$do)=@_;
2217: return
2218: "<a href='/adm/email?recordftf=retrieve&recname=$un&recdom=$do'>$link</a>";
1.62 www 2219: }
2220: # ------------------------------------------------------------- Aboutme Wrapper
2221:
2222: sub aboutmewrapper {
1.166 www 2223: my ($link,$username,$domain,$target)=@_;
1.447 raeburn 2224: if (!defined($username) && !defined($domain)) {
2225: return;
2226: }
1.205 www 2227: return '<a href="/adm/'.$domain.'/'.$username.'/aboutme"'.
1.454 banghart 2228: ($target?' target="$target"':'').' title="'.&mt("View this user's personal page").'">'.$link.'</a>';
1.62 www 2229: }
2230:
2231: # ------------------------------------------------------------ Syllabus Wrapper
2232:
2233:
2234: sub syllabuswrapper {
1.109 matthew 2235: my ($linktext,$coursedir,$domain,$fontcolor)=@_;
2236: if ($fontcolor) {
2237: $linktext='<font color="'.$fontcolor.'">'.$linktext.'</font>';
2238: }
1.208 matthew 2239: return qq{<a href="/public/$domain/$coursedir/syllabus">$linktext</a>};
1.61 www 2240: }
1.14 harris41 2241:
1.208 matthew 2242: sub track_student_link {
1.268 albertel 2243: my ($linktext,$sname,$sdom,$target,$start) = @_;
2244: my $link ="/adm/trackstudent?";
1.208 matthew 2245: my $title = 'View recent activity';
2246: if (defined($sname) && $sname !~ /^\s*$/ &&
2247: defined($sdom) && $sdom !~ /^\s*$/) {
1.268 albertel 2248: $link .= "selected_student=$sname:$sdom";
1.208 matthew 2249: $title .= ' of this student';
1.268 albertel 2250: }
1.208 matthew 2251: if (defined($target) && $target !~ /^\s*$/) {
2252: $target = qq{target="$target"};
2253: } else {
2254: $target = '';
2255: }
1.268 albertel 2256: if ($start) { $link.='&start='.$start; }
1.554 albertel 2257: $title = &mt($title);
2258: $linktext = &mt($linktext);
1.448 albertel 2259: return qq{<a href="$link" title="$title" $target>$linktext</a>}.
2260: &help_open_topic('View_recent_activity');
1.208 matthew 2261: }
2262:
1.508 www 2263: # ===================================================== Display a student photo
2264:
2265:
1.509 albertel 2266: sub student_image_tag {
1.508 www 2267: my ($domain,$user)=@_;
2268: my $imgsrc=&Apache::lonnet::studentphoto($domain,$user,'jpg');
2269: if (($imgsrc) && ($imgsrc ne '/adm/lonKaputt/lonlogo_broken.gif')) {
2270: return '<img src="'.$imgsrc.'" align="right" />';
2271: } else {
2272: return '';
2273: }
2274: }
2275:
1.112 bowersj2 2276: =pod
2277:
2278: =back
2279:
2280: =head1 Access .tab File Data
2281:
2282: =over 4
2283:
2284: =item * languageids()
2285:
2286: returns list of all language ids
2287:
2288: =cut
2289:
1.14 harris41 2290: sub languageids {
1.16 harris41 2291: return sort(keys(%language));
1.14 harris41 2292: }
2293:
1.112 bowersj2 2294: =pod
2295:
2296: =item * languagedescription()
2297:
2298: returns description of a specified language id
2299:
2300: =cut
2301:
1.14 harris41 2302: sub languagedescription {
1.125 www 2303: my $code=shift;
2304: return ($supported_language{$code}?'* ':'').
2305: $language{$code}.
1.126 www 2306: ($supported_language{$code}?' ('.&mt('interface available').')':'');
1.145 www 2307: }
2308:
2309: sub plainlanguagedescription {
2310: my $code=shift;
2311: return $language{$code};
2312: }
2313:
2314: sub supportedlanguagecode {
2315: my $code=shift;
2316: return $supported_language{$code};
1.97 www 2317: }
2318:
1.112 bowersj2 2319: =pod
2320:
2321: =item * copyrightids()
2322:
2323: returns list of all copyrights
2324:
2325: =cut
2326:
2327: sub copyrightids {
2328: return sort(keys(%cprtag));
2329: }
2330:
2331: =pod
2332:
2333: =item * copyrightdescription()
2334:
2335: returns description of a specified copyright id
2336:
2337: =cut
2338:
2339: sub copyrightdescription {
1.166 www 2340: return &mt($cprtag{shift(@_)});
1.112 bowersj2 2341: }
1.197 matthew 2342:
2343: =pod
2344:
1.192 taceyjo1 2345: =item * source_copyrightids()
2346:
2347: returns list of all source copyrights
2348:
2349: =cut
2350:
2351: sub source_copyrightids {
2352: return sort(keys(%scprtag));
2353: }
2354:
2355: =pod
2356:
2357: =item * source_copyrightdescription()
2358:
2359: returns description of a specified source copyright id
2360:
2361: =cut
2362:
2363: sub source_copyrightdescription {
2364: return &mt($scprtag{shift(@_)});
2365: }
1.112 bowersj2 2366:
2367: =pod
2368:
2369: =item * filecategories()
2370:
2371: returns list of all file categories
2372:
2373: =cut
2374:
2375: sub filecategories {
2376: return sort(keys(%category_extensions));
2377: }
2378:
2379: =pod
2380:
2381: =item * filecategorytypes()
2382:
2383: returns list of file types belonging to a given file
2384: category
2385:
2386: =cut
2387:
2388: sub filecategorytypes {
1.356 albertel 2389: my ($cat) = @_;
2390: return @{$category_extensions{lc($cat)}};
1.112 bowersj2 2391: }
2392:
2393: =pod
2394:
2395: =item * fileembstyle()
2396:
2397: returns embedding style for a specified file type
2398:
2399: =cut
2400:
2401: sub fileembstyle {
2402: return $fe{lc(shift(@_))};
1.169 www 2403: }
2404:
1.351 www 2405: sub filemimetype {
2406: return $fm{lc(shift(@_))};
2407: }
2408:
1.169 www 2409:
2410: sub filecategoryselect {
2411: my ($name,$value)=@_;
1.189 matthew 2412: return &select_form($value,$name,
1.169 www 2413: '' => &mt('Any category'),
2414: map { $_,$_ } sort(keys(%category_extensions)));
1.112 bowersj2 2415: }
2416:
2417: =pod
2418:
2419: =item * filedescription()
2420:
2421: returns description for a specified file type
2422:
2423: =cut
2424:
2425: sub filedescription {
1.188 matthew 2426: my $file_description = $fd{lc(shift())};
2427: $file_description =~ s:([\[\]]):~$1:g;
2428: return &mt($file_description);
1.112 bowersj2 2429: }
2430:
2431: =pod
2432:
2433: =item * filedescriptionex()
2434:
2435: returns description for a specified file type with
2436: extra formatting
2437:
2438: =cut
2439:
2440: sub filedescriptionex {
2441: my $ex=shift;
1.188 matthew 2442: my $file_description = $fd{lc($ex)};
2443: $file_description =~ s:([\[\]]):~$1:g;
2444: return '.'.$ex.' '.&mt($file_description);
1.112 bowersj2 2445: }
2446:
2447: # End of .tab access
2448: =pod
2449:
2450: =back
2451:
2452: =cut
2453:
2454: # ------------------------------------------------------------------ File Types
2455: sub fileextensions {
2456: return sort(keys(%fe));
2457: }
2458:
1.97 www 2459: # ----------------------------------------------------------- Display Languages
2460: # returns a hash with all desired display languages
2461: #
2462:
2463: sub display_languages {
2464: my %languages=();
1.356 albertel 2465: foreach my $lang (&preferred_languages()) {
2466: $languages{$lang}=1;
1.97 www 2467: }
2468: &get_unprocessed_cgi($ENV{'QUERY_STRING'},['displaylanguage']);
1.258 albertel 2469: if ($env{'form.displaylanguage'}) {
1.356 albertel 2470: foreach my $lang (split(/\s*(\,|\;|\:)\s*/,$env{'form.displaylanguage'})) {
2471: $languages{$lang}=1;
1.97 www 2472: }
2473: }
2474: return %languages;
1.14 harris41 2475: }
2476:
1.117 www 2477: sub preferred_languages {
2478: my @languages=();
1.258 albertel 2479: if ($env{'course.'.$env{'request.course.id'}.'.languages'}) {
1.117 www 2480: @languages=(@languages,split(/\s*(\,|\;|\:)\s*/,
1.258 albertel 2481: $env{'course.'.$env{'request.course.id'}.'.languages'}));
1.177 www 2482: }
1.258 albertel 2483: if ($env{'environment.languages'}) {
1.459 albertel 2484: @languages=(@languages,
2485: split(/\s*(\,|\;|\:)\s*/,$env{'environment.languages'}));
1.118 www 2486: }
1.162 www 2487: my $browser=(split(/\;/,$ENV{'HTTP_ACCEPT_LANGUAGE'}))[0];
2488: if ($browser) {
2489: @languages=(@languages,split(/\s*(\,|\;|\:)\s*/,$browser));
2490: }
1.514 albertel 2491: if (&Apache::lonnet::domain($env{'user.domain'},'lang_def')) {
1.118 www 2492: @languages=(@languages,
1.514 albertel 2493: &Apache::lonnet::domain($env{'user.domain'},
2494: 'lang_def'));
1.118 www 2495: }
1.514 albertel 2496: if (&Apache::lonnet::domain($env{'request.role.domain'},'lang_def')) {
1.118 www 2497: @languages=(@languages,
1.514 albertel 2498: &Apache::lonnet::domain($env{'request.role.domain'},
2499: 'lang_def'));
1.118 www 2500: }
1.514 albertel 2501: if (&Apache::lonnet::domain($Apache::lonnet::perlvar{'lonDefDomain'},
2502: 'lang_def')) {
1.118 www 2503: @languages=(@languages,
1.514 albertel 2504: &Apache::lonnet::domain($Apache::lonnet::perlvar{'lonDefDomain'},
2505: 'lang_def'));
1.118 www 2506: }
2507: # turn "en-ca" into "en-ca,en"
2508: my @genlanguages;
1.356 albertel 2509: foreach my $lang (@languages) {
2510: unless ($lang=~/\w/) { next; }
2511: push (@genlanguages,$lang);
2512: if ($lang=~/(\-|\_)/) {
2513: push(@genlanguages,(split(/(\-|\_)/,$lang))[0]);
1.118 www 2514: }
2515: }
2516: return @genlanguages;
1.117 www 2517: }
2518:
1.112 bowersj2 2519: ###############################################################
2520: ## Student Answer Attempts ##
2521: ###############################################################
2522:
2523: =pod
2524:
2525: =head1 Alternate Problem Views
2526:
2527: =over 4
2528:
2529: =item * get_previous_attempt($symb, $username, $domain, $course,
2530: $getattempt, $regexp, $gradesub)
2531:
2532: Return string with previous attempt on problem. Arguments:
2533:
2534: =over 4
2535:
2536: =item * $symb: Problem, including path
2537:
2538: =item * $username: username of the desired student
2539:
2540: =item * $domain: domain of the desired student
1.14 harris41 2541:
1.112 bowersj2 2542: =item * $course: Course ID
1.14 harris41 2543:
1.112 bowersj2 2544: =item * $getattempt: Leave blank for all attempts, otherwise put
2545: something
1.14 harris41 2546:
1.112 bowersj2 2547: =item * $regexp: if string matches this regexp, the string will be
2548: sent to $gradesub
1.14 harris41 2549:
1.112 bowersj2 2550: =item * $gradesub: routine that processes the string if it matches $regexp
1.14 harris41 2551:
1.112 bowersj2 2552: =back
1.14 harris41 2553:
1.112 bowersj2 2554: The output string is a table containing all desired attempts, if any.
1.16 harris41 2555:
1.112 bowersj2 2556: =cut
1.1 albertel 2557:
2558: sub get_previous_attempt {
1.43 ng 2559: my ($symb,$username,$domain,$course,$getattempt,$regexp,$gradesub)=@_;
1.1 albertel 2560: my $prevattempts='';
1.43 ng 2561: no strict 'refs';
1.1 albertel 2562: if ($symb) {
1.3 albertel 2563: my (%returnhash)=
2564: &Apache::lonnet::restore($symb,$course,$domain,$username);
1.1 albertel 2565: if ($returnhash{'version'}) {
2566: my %lasthash=();
2567: my $version;
2568: for ($version=1;$version<=$returnhash{'version'};$version++) {
1.356 albertel 2569: foreach my $key (sort(split(/\:/,$returnhash{$version.':keys'}))) {
2570: $lasthash{$key}=$returnhash{$version.':'.$key};
1.19 harris41 2571: }
1.1 albertel 2572: }
1.43 ng 2573: $prevattempts='<table border="0" width="100%"><tr><td bgcolor="#777777">';
1.40 ng 2574: $prevattempts.='<table border="0" width="100%"><tr bgcolor="#e6ffff"><td>History</td>';
1.356 albertel 2575: foreach my $key (sort(keys(%lasthash))) {
2576: my ($ign,@parts) = split(/\./,$key);
1.41 ng 2577: if ($#parts > 0) {
1.31 albertel 2578: my $data=$parts[-1];
2579: pop(@parts);
1.40 ng 2580: $prevattempts.='<td>Part '.join('.',@parts).'<br />'.$data.' </td>';
1.31 albertel 2581: } else {
1.41 ng 2582: if ($#parts == 0) {
2583: $prevattempts.='<th>'.$parts[0].'</th>';
2584: } else {
2585: $prevattempts.='<th>'.$ign.'</th>';
2586: }
1.31 albertel 2587: }
1.16 harris41 2588: }
1.40 ng 2589: if ($getattempt eq '') {
2590: for ($version=1;$version<=$returnhash{'version'};$version++) {
2591: $prevattempts.='</tr><tr bgcolor="#ffffe6"><td>Transaction '.$version.'</td>';
1.356 albertel 2592: foreach my $key (sort(keys(%lasthash))) {
1.40 ng 2593: my $value;
1.356 albertel 2594: if ($key =~ /timestamp/) {
2595: $value=scalar(localtime($returnhash{$version.':'.$key}));
1.40 ng 2596: } else {
1.356 albertel 2597: $value=$returnhash{$version.':'.$key};
1.40 ng 2598: }
1.369 www 2599: $prevattempts.='<td>'.&unescape($value).' </td>';
1.40 ng 2600: }
2601: }
1.1 albertel 2602: }
1.40 ng 2603: $prevattempts.='</tr><tr bgcolor="#ffffe6"><td>Current</td>';
1.356 albertel 2604: foreach my $key (sort(keys(%lasthash))) {
1.5 albertel 2605: my $value;
1.356 albertel 2606: if ($key =~ /timestamp/) {
2607: $value=scalar(localtime($lasthash{$key}));
1.5 albertel 2608: } else {
1.356 albertel 2609: $value=$lasthash{$key};
1.5 albertel 2610: }
1.369 www 2611: $value=&unescape($value);
1.356 albertel 2612: if ($key =~/$regexp$/ && (defined &$gradesub)) {$value = &$gradesub($value)}
1.40 ng 2613: $prevattempts.='<td>'.$value.' </td>';
1.16 harris41 2614: }
1.40 ng 2615: $prevattempts.='</tr></table></td></tr></table>';
1.1 albertel 2616: } else {
2617: $prevattempts='Nothing submitted - no attempts.';
2618: }
2619: } else {
2620: $prevattempts='No data.';
2621: }
1.10 albertel 2622: }
2623:
1.107 albertel 2624: sub relative_to_absolute {
2625: my ($url,$output)=@_;
2626: my $parser=HTML::TokeParser->new(\$output);
2627: my $token;
2628: my $thisdir=$url;
2629: my @rlinks=();
2630: while ($token=$parser->get_token) {
2631: if ($token->[0] eq 'S') {
2632: if ($token->[1] eq 'a') {
2633: if ($token->[2]->{'href'}) {
2634: $rlinks[$#rlinks+1]=$token->[2]->{'href'};
2635: }
2636: } elsif ($token->[1] eq 'img' || $token->[1] eq 'embed' ) {
2637: $rlinks[$#rlinks+1]=$token->[2]->{'src'};
2638: } elsif ($token->[1] eq 'base') {
2639: $thisdir=$token->[2]->{'href'};
2640: }
2641: }
2642: }
2643: $thisdir=~s-/[^/]*$--;
1.356 albertel 2644: foreach my $link (@rlinks) {
2645: unless (($link=~/^http:\/\//i) ||
2646: ($link=~/^\//) ||
2647: ($link=~/^javascript:/i) ||
2648: ($link=~/^mailto:/i) ||
2649: ($link=~/^\#/)) {
2650: my $newlocation=&Apache::lonnet::hreflocation($thisdir,$link);
2651: $output=~s/(\"|\'|\=\s*)\Q$link\E(\"|\'|\s|\>)/$1$newlocation$2/;
1.107 albertel 2652: }
2653: }
2654: # -------------------------------------------------- Deal with Applet codebases
2655: $output=~s/(\<applet[^\>]+)(codebase\=[^\S\>]+)*([^\>]*)\>/$1.($2?$2:' codebase="'.$thisdir.'"').$3.'>'/gei;
2656: return $output;
2657: }
2658:
1.112 bowersj2 2659: =pod
2660:
2661: =item * get_student_view
2662:
2663: show a snapshot of what student was looking at
2664:
2665: =cut
2666:
1.10 albertel 2667: sub get_student_view {
1.186 albertel 2668: my ($symb,$username,$domain,$courseid,$target,$moreenv) = @_;
1.114 www 2669: my ($map,$id,$feedurl) = &Apache::lonnet::decode_symb($symb);
1.186 albertel 2670: my (%form);
1.10 albertel 2671: my @elements=('symb','courseid','domain','username');
2672: foreach my $element (@elements) {
1.186 albertel 2673: $form{'grade_'.$element}=eval '$'.$element #'
1.10 albertel 2674: }
1.186 albertel 2675: if (defined($moreenv)) {
2676: %form=(%form,%{$moreenv});
2677: }
1.236 albertel 2678: if (defined($target)) { $form{'grade_target'} = $target; }
1.107 albertel 2679: $feedurl=&Apache::lonnet::clutter($feedurl);
1.186 albertel 2680: my $userview=&Apache::lonnet::ssi_body($feedurl,%form);
1.11 albertel 2681: $userview=~s/\<body[^\>]*\>//gi;
2682: $userview=~s/\<\/body\>//gi;
2683: $userview=~s/\<html\>//gi;
2684: $userview=~s/\<\/html\>//gi;
2685: $userview=~s/\<head\>//gi;
2686: $userview=~s/\<\/head\>//gi;
2687: $userview=~s/action\s*\=/would_be_action\=/gi;
1.107 albertel 2688: $userview=&relative_to_absolute($feedurl,$userview);
1.11 albertel 2689: return $userview;
2690: }
2691:
1.112 bowersj2 2692: =pod
2693:
2694: =item * get_student_answers()
2695:
2696: show a snapshot of how student was answering problem
2697:
2698: =cut
2699:
1.11 albertel 2700: sub get_student_answers {
1.100 sakharuk 2701: my ($symb,$username,$domain,$courseid,%form) = @_;
1.114 www 2702: my ($map,$id,$feedurl) = &Apache::lonnet::decode_symb($symb);
1.186 albertel 2703: my (%moreenv);
1.11 albertel 2704: my @elements=('symb','courseid','domain','username');
2705: foreach my $element (@elements) {
1.186 albertel 2706: $moreenv{'grade_'.$element}=eval '$'.$element #'
1.10 albertel 2707: }
1.186 albertel 2708: $moreenv{'grade_target'}='answer';
2709: %moreenv=(%form,%moreenv);
1.497 raeburn 2710: $feedurl = &Apache::lonnet::clutter($feedurl);
2711: my $userview=&Apache::lonnet::ssi($feedurl,%moreenv);
1.10 albertel 2712: return $userview;
1.1 albertel 2713: }
1.116 albertel 2714:
2715: =pod
2716:
2717: =item * &submlink()
2718:
1.242 albertel 2719: Inputs: $text $uname $udom $symb $target
1.116 albertel 2720:
2721: Returns: A link to grades.pm such as to see the SUBM view of a student
2722:
2723: =cut
2724:
2725: ###############################################
2726: sub submlink {
1.242 albertel 2727: my ($text,$uname,$udom,$symb,$target)=@_;
1.116 albertel 2728: if (!($uname && $udom)) {
2729: (my $cursymb, my $courseid,$udom,$uname)=
1.463 albertel 2730: &Apache::lonnet::whichuser($symb);
1.116 albertel 2731: if (!$symb) { $symb=$cursymb; }
2732: }
1.254 matthew 2733: if (!$symb) { $symb=&Apache::lonnet::symbread(); }
1.369 www 2734: $symb=&escape($symb);
1.242 albertel 2735: if ($target) { $target="target=\"$target\""; }
2736: return '<a href="/adm/grades?&command=submission&'.
2737: 'symb='.$symb.'&student='.$uname.
2738: '&userdom='.$udom.'" '.$target.'>'.$text.'</a>';
2739: }
2740: ##############################################
2741:
2742: =pod
2743:
2744: =item * &pgrdlink()
2745:
2746: Inputs: $text $uname $udom $symb $target
2747:
2748: Returns: A link to grades.pm such as to see the PGRD view of a student
2749:
2750: =cut
2751:
2752: ###############################################
2753: sub pgrdlink {
2754: my $link=&submlink(@_);
2755: $link=~s/(&command=submission)/$1&showgrading=yes/;
2756: return $link;
2757: }
2758: ##############################################
2759:
2760: =pod
2761:
2762: =item * &pprmlink()
2763:
2764: Inputs: $text $uname $udom $symb $target
2765:
2766: Returns: A link to parmset.pm such as to see the PPRM view of a
1.283 albertel 2767: student and a specific resource
1.242 albertel 2768:
2769: =cut
2770:
2771: ###############################################
2772: sub pprmlink {
2773: my ($text,$uname,$udom,$symb,$target)=@_;
2774: if (!($uname && $udom)) {
2775: (my $cursymb, my $courseid,$udom,$uname)=
1.463 albertel 2776: &Apache::lonnet::whichuser($symb);
1.242 albertel 2777: if (!$symb) { $symb=$cursymb; }
2778: }
1.254 matthew 2779: if (!$symb) { $symb=&Apache::lonnet::symbread(); }
1.369 www 2780: $symb=&escape($symb);
1.242 albertel 2781: if ($target) { $target="target=\"$target\""; }
2782: return '<a href="/adm/parmset?&command=set&'.
2783: 'symb='.$symb.'&uname='.$uname.
2784: '&udom='.$udom.'" '.$target.'>'.$text.'</a>';
1.116 albertel 2785: }
2786: ##############################################
1.37 matthew 2787:
1.112 bowersj2 2788: =pod
2789:
2790: =back
2791:
2792: =cut
2793:
1.37 matthew 2794: ###############################################
1.51 www 2795:
2796:
2797: sub timehash {
2798: my @ltime=localtime(shift);
2799: return ( 'seconds' => $ltime[0],
2800: 'minutes' => $ltime[1],
2801: 'hours' => $ltime[2],
2802: 'day' => $ltime[3],
2803: 'month' => $ltime[4]+1,
2804: 'year' => $ltime[5]+1900,
2805: 'weekday' => $ltime[6],
2806: 'dayyear' => $ltime[7]+1,
2807: 'dlsav' => $ltime[8] );
2808: }
2809:
1.370 www 2810: sub utc_string {
2811: my ($date)=@_;
1.371 www 2812: return strftime("%Y%m%dT%H%M%SZ",gmtime($date));
1.370 www 2813: }
2814:
1.51 www 2815: sub maketime {
2816: my %th=@_;
2817: return POSIX::mktime(
2818: ($th{'seconds'},$th{'minutes'},$th{'hours'},
1.210 www 2819: $th{'day'},$th{'month'}-1,$th{'year'}-1900,0,0,-1));
1.70 www 2820: }
2821:
2822: #########################################
1.51 www 2823:
2824: sub findallcourses {
1.482 raeburn 2825: my ($roles,$uname,$udom) = @_;
1.355 albertel 2826: my %roles;
2827: if (ref($roles)) { %roles = map { $_ => 1 } @{$roles}; }
1.348 albertel 2828: my %courses;
1.51 www 2829: my $now=time;
1.482 raeburn 2830: if (!defined($uname)) {
2831: $uname = $env{'user.name'};
2832: }
2833: if (!defined($udom)) {
2834: $udom = $env{'user.domain'};
2835: }
2836: if (($uname ne $env{'user.name'}) || ($udom ne $env{'user.domain'})) {
2837: my %roleshash = &Apache::lonnet::dump('roles',$udom,$uname);
2838: if (!%roles) {
2839: %roles = (
2840: cc => 1,
2841: in => 1,
2842: ep => 1,
2843: ta => 1,
2844: cr => 1,
2845: st => 1,
2846: );
2847: }
2848: foreach my $entry (keys(%roleshash)) {
2849: my ($trole,$tend,$tstart) = split(/_/,$roleshash{$entry});
2850: if ($trole =~ /^cr/) {
2851: next if (!exists($roles{$trole}) && !exists($roles{'cr'}));
2852: } else {
2853: next if (!exists($roles{$trole}));
2854: }
2855: if ($tend) {
2856: next if ($tend < $now);
2857: }
2858: if ($tstart) {
2859: next if ($tstart > $now);
2860: }
2861: my ($cdom,$cnum,$sec,$cnumpart,$secpart,$role,$realsec);
2862: (undef,$cdom,$cnumpart,$secpart) = split(/\//,$entry);
2863: if ($secpart eq '') {
2864: ($cnum,$role) = split(/_/,$cnumpart);
2865: $sec = 'none';
2866: $realsec = '';
2867: } else {
2868: $cnum = $cnumpart;
2869: ($sec,$role) = split(/_/,$secpart);
2870: $realsec = $sec;
1.490 raeburn 2871: }
1.482 raeburn 2872: $courses{$cdom.'_'.$cnum}{$sec} = $trole.'/'.$cdom.'/'.$cnum.'/'.$realsec;
2873: }
2874: } else {
2875: foreach my $key (keys(%env)) {
1.483 albertel 2876: if ( $key=~m{^user\.role\.(\w+)\./($match_domain)/($match_courseid)/?(\w*)$} ||
2877: $key=~m{^user\.role\.(cr/$match_domain/$match_username/\w+)\./($match_domain)/($match_courseid)/?(\w*)$}) {
1.482 raeburn 2878: my ($role,$cdom,$cnum,$sec) = ($1,$2,$3,$4);
2879: next if ($role eq 'ca' || $role eq 'aa');
2880: next if (%roles && !exists($roles{$role}));
2881: my ($starttime,$endtime)=split(/\./,$env{$key});
2882: my $active=1;
2883: if ($starttime) {
2884: if ($now<$starttime) { $active=0; }
2885: }
2886: if ($endtime) {
2887: if ($now>$endtime) { $active=0; }
2888: }
2889: if ($active) {
2890: if ($sec eq '') {
2891: $sec = 'none';
2892: }
2893: $courses{$cdom.'_'.$cnum}{$sec} =
2894: $role.'/'.$cdom.'/'.$cnum.'/'.$sec;
1.474 raeburn 2895: }
2896: }
1.51 www 2897: }
2898: }
1.474 raeburn 2899: return %courses;
1.51 www 2900: }
1.37 matthew 2901:
1.54 www 2902: ###############################################
1.474 raeburn 2903:
2904: sub blockcheck {
1.482 raeburn 2905: my ($setters,$activity,$uname,$udom) = @_;
1.490 raeburn 2906:
2907: if (!defined($udom)) {
2908: $udom = $env{'user.domain'};
2909: }
2910: if (!defined($uname)) {
2911: $uname = $env{'user.name'};
2912: }
2913:
2914: # If uname and udom are for a course, check for blocks in the course.
2915:
2916: if (&Apache::lonnet::is_course($udom,$uname)) {
2917: my %records = &Apache::lonnet::dump('comm_block',$udom,$uname);
1.502 raeburn 2918: my ($startblock,$endblock)=&get_blocks($setters,$activity,$udom,$uname);
1.490 raeburn 2919: return ($startblock,$endblock);
2920: }
1.474 raeburn 2921:
1.502 raeburn 2922: my $startblock = 0;
2923: my $endblock = 0;
1.482 raeburn 2924: my %live_courses = &findallcourses(undef,$uname,$udom);
1.474 raeburn 2925:
1.490 raeburn 2926: # If uname is for a user, and activity is course-specific, i.e.,
2927: # boards, chat or groups, check for blocking in current course only.
1.474 raeburn 2928:
1.490 raeburn 2929: if (($activity eq 'boards' || $activity eq 'chat' ||
2930: $activity eq 'groups') && ($env{'request.course.id'})) {
2931: foreach my $key (keys(%live_courses)) {
2932: if ($key ne $env{'request.course.id'}) {
2933: delete($live_courses{$key});
2934: }
2935: }
2936: }
2937:
2938: my $otheruser = 0;
2939: my %own_courses;
2940: if ((($uname ne $env{'user.name'})) || ($udom ne $env{'user.domain'})) {
2941: # Resource belongs to user other than current user.
2942: $otheruser = 1;
2943: # Gather courses for current user
2944: %own_courses =
2945: &findallcourses(undef,$env{'user.name'},$env{'user.domain'});
2946: }
2947:
2948: # Gather active course roles - course coordinator, instructor,
2949: # exam proctor, ta, student, or custom role.
1.474 raeburn 2950:
2951: foreach my $course (keys(%live_courses)) {
1.482 raeburn 2952: my ($cdom,$cnum);
2953: if ((defined($env{'course.'.$course.'.domain'})) && (defined($env{'course.'.$course.'.num'}))) {
2954: $cdom = $env{'course.'.$course.'.domain'};
2955: $cnum = $env{'course.'.$course.'.num'};
2956: } else {
1.490 raeburn 2957: ($cdom,$cnum) = split(/_/,$course);
1.482 raeburn 2958: }
2959: my $no_ownblock = 0;
2960: my $no_userblock = 0;
1.533 raeburn 2961: if ($otheruser && $activity ne 'com') {
1.490 raeburn 2962: # Check if current user has 'evb' priv for this
2963: if (defined($own_courses{$course})) {
2964: foreach my $sec (keys(%{$own_courses{$course}})) {
2965: my $checkrole = 'cm./'.$cdom.'/'.$cnum;
2966: if ($sec ne 'none') {
2967: $checkrole .= '/'.$sec;
2968: }
2969: if (&Apache::lonnet::allowed('evb',undef,undef,$checkrole)) {
2970: $no_ownblock = 1;
2971: last;
2972: }
2973: }
2974: }
2975: # if they have 'evb' priv and are currently not playing student
2976: next if (($no_ownblock) &&
2977: ($env{'request.role'} !~ m{^st\./$cdom/$cnum}));
2978: }
1.474 raeburn 2979: foreach my $sec (keys(%{$live_courses{$course}})) {
1.482 raeburn 2980: my $checkrole = 'cm./'.$cdom.'/'.$cnum;
1.474 raeburn 2981: if ($sec ne 'none') {
1.482 raeburn 2982: $checkrole .= '/'.$sec;
1.474 raeburn 2983: }
1.490 raeburn 2984: if ($otheruser) {
2985: # Resource belongs to user other than current user.
2986: # Assemble privs for that user, and check for 'evb' priv.
1.482 raeburn 2987: my ($trole,$tdom,$tnum,$tsec);
2988: my $entry = $live_courses{$course}{$sec};
2989: if ($entry =~ /^cr/) {
2990: ($trole,$tdom,$tnum,$tsec) =
2991: ($entry =~ m|^(cr/$match_domain/$match_username/\w+)\./($match_domain)/($match_username)/?(\w*)$|);
2992: } else {
2993: ($trole,$tdom,$tnum,$tsec) = split(/\//,$entry);
2994: }
2995: my ($spec,$area,$trest,%allroles,%userroles);
2996: $area = '/'.$tdom.'/'.$tnum;
2997: $trest = $tnum;
2998: if ($tsec ne '') {
2999: $area .= '/'.$tsec;
3000: $trest .= '/'.$tsec;
3001: }
3002: $spec = $trole.'.'.$area;
3003: if ($trole =~ /^cr/) {
3004: &Apache::lonnet::custom_roleprivs(\%allroles,$trole,
3005: $tdom,$spec,$trest,$area);
3006: } else {
3007: &Apache::lonnet::standard_roleprivs(\%allroles,$trole,
3008: $tdom,$spec,$trest,$area);
3009: }
3010: my ($author,$adv) = &Apache::lonnet::set_userprivs(\%userroles,\%allroles);
1.486 raeburn 3011: if ($userroles{'user.priv.'.$checkrole} =~ /evb\&([^\:]*)/) {
3012: if ($1) {
3013: $no_userblock = 1;
3014: last;
3015: }
3016: }
1.490 raeburn 3017: } else {
3018: # Resource belongs to current user
3019: # Check for 'evb' priv via lonnet::allowed().
1.482 raeburn 3020: if (&Apache::lonnet::allowed('evb',undef,undef,$checkrole)) {
3021: $no_ownblock = 1;
3022: last;
3023: }
1.474 raeburn 3024: }
3025: }
3026: # if they have the evb priv and are currently not playing student
1.482 raeburn 3027: next if (($no_ownblock) &&
1.491 albertel 3028: ($env{'request.role'} !~ m{^st\./\Q$cdom\E/\Q$cnum\E}));
1.482 raeburn 3029: next if ($no_userblock);
1.474 raeburn 3030:
1.490 raeburn 3031: # Retrieve blocking times and identity of blocker for course
3032: # of specified user, unless user has 'evb' privilege.
1.502 raeburn 3033:
3034: my ($start,$end)=&get_blocks($setters,$activity,$cdom,$cnum);
3035: if (($start != 0) &&
3036: (($startblock == 0) || ($startblock > $start))) {
3037: $startblock = $start;
3038: }
3039: if (($end != 0) &&
3040: (($endblock == 0) || ($endblock < $end))) {
3041: $endblock = $end;
3042: }
1.490 raeburn 3043: }
3044: return ($startblock,$endblock);
3045: }
3046:
3047: sub get_blocks {
3048: my ($setters,$activity,$cdom,$cnum) = @_;
3049: my $startblock = 0;
3050: my $endblock = 0;
3051: my $course = $cdom.'_'.$cnum;
3052: $setters->{$course} = {};
3053: $setters->{$course}{'staff'} = [];
3054: $setters->{$course}{'times'} = [];
3055: my %records = &Apache::lonnet::dump('comm_block',$cdom,$cnum);
3056: foreach my $record (keys(%records)) {
3057: my ($start,$end) = ($record =~ m/^(\d+)____(\d+)$/);
3058: if ($start <= time && $end >= time) {
3059: my ($staff_name,$staff_dom,$title,$blocks) =
3060: &parse_block_record($records{$record});
3061: if ($blocks->{$activity} eq 'on') {
3062: push(@{$$setters{$course}{'staff'}},[$staff_name,$staff_dom]);
3063: push(@{$$setters{$course}{'times'}}, [$start,$end]);
1.491 albertel 3064: if ( ($startblock == 0) || ($startblock > $start) ) {
3065: $startblock = $start;
1.490 raeburn 3066: }
1.491 albertel 3067: if ( ($endblock == 0) || ($endblock < $end) ) {
3068: $endblock = $end;
1.474 raeburn 3069: }
3070: }
3071: }
3072: }
3073: return ($startblock,$endblock);
3074: }
3075:
3076: sub parse_block_record {
3077: my ($record) = @_;
3078: my ($setuname,$setudom,$title,$blocks);
3079: if (ref($record) eq 'HASH') {
3080: ($setuname,$setudom) = split(/:/,$record->{'setter'});
3081: $title = &unescape($record->{'event'});
3082: $blocks = $record->{'blocks'};
3083: } else {
3084: my @data = split(/:/,$record,3);
3085: if (scalar(@data) eq 2) {
3086: $title = $data[1];
3087: ($setuname,$setudom) = split(/@/,$data[0]);
3088: } else {
3089: ($setuname,$setudom,$title) = @data;
3090: }
3091: $blocks = { 'com' => 'on' };
3092: }
3093: return ($setuname,$setudom,$title,$blocks);
3094: }
3095:
3096: sub build_block_table {
3097: my ($startblock,$endblock,$setters) = @_;
3098: my %lt = &Apache::lonlocal::texthash(
3099: 'cacb' => 'Currently active communication blocks',
3100: 'cour' => 'Course',
3101: 'dura' => 'Duration',
3102: 'blse' => 'Block set by'
3103: );
3104: my $output;
1.476 raeburn 3105: $output = '<br />'.$lt{'cacb'}.':<br />';
1.474 raeburn 3106: $output .= &start_data_table();
3107: $output .= '
3108: <tr>
3109: <th>'.$lt{'cour'}.'</th>
3110: <th>'.$lt{'dura'}.'</th>
3111: <th>'.$lt{'blse'}.'</th>
3112: </tr>
3113: ';
3114: foreach my $course (keys(%{$setters})) {
3115: my %courseinfo=&Apache::lonnet::coursedescription($course);
3116: for (my $i=0; $i<@{$$setters{$course}{staff}}; $i++) {
3117: my ($uname,$udom) = @{$$setters{$course}{staff}[$i]};
1.490 raeburn 3118: my $fullname = &plainname($uname,$udom);
3119: if (defined($env{'user.name'}) && defined($env{'user.domain'})
3120: && $env{'user.name'} ne 'public'
3121: && $env{'user.domain'} ne 'public') {
3122: $fullname = &aboutmewrapper($fullname,$uname,$udom);
3123: }
1.474 raeburn 3124: my ($openblock,$closeblock) = @{$$setters{$course}{times}[$i]};
3125: $openblock = &Apache::lonlocal::locallocaltime($openblock);
3126: $closeblock= &Apache::lonlocal::locallocaltime($closeblock);
3127: $output .= &Apache::loncommon::start_data_table_row().
3128: '<td>'.$courseinfo{'description'}.'</td>'.
3129: '<td>'.$openblock.' to '.$closeblock.'</td>'.
1.490 raeburn 3130: '<td>'.$fullname.'</td>'.
1.474 raeburn 3131: &Apache::loncommon::end_data_table_row();
3132: }
3133: }
3134: $output .= &end_data_table();
3135: }
3136:
1.490 raeburn 3137: sub blocking_status {
3138: my ($activity,$uname,$udom) = @_;
3139: my %setters;
3140: my ($blocked,$output,$ownitem,$is_course);
3141: my ($startblock,$endblock)=&blockcheck(\%setters,$activity,$uname,$udom);
3142: if ($startblock && $endblock) {
3143: $blocked = 1;
3144: if (wantarray) {
3145: my $category;
3146: if ($activity eq 'boards') {
3147: $category = 'Discussion posts in this course';
3148: } elsif ($activity eq 'blogs') {
3149: $category = 'Blogs';
3150: } elsif ($activity eq 'port') {
3151: if (defined($uname) && defined($udom)) {
3152: if ($uname eq $env{'user.name'} &&
3153: $udom eq $env{'user.domain'}) {
3154: $ownitem = 1;
3155: }
3156: }
3157: $is_course = &Apache::lonnet::is_course($udom,$uname);
3158: if ($ownitem) {
3159: $category = 'Your portfolio files';
3160: } elsif ($is_course) {
3161: my $coursedesc;
3162: foreach my $course (keys(%setters)) {
3163: my %courseinfo =
3164: &Apache::lonnet::coursedescription($course);
3165: $coursedesc = $courseinfo{'description'};
3166: }
3167: $category = "Group files in the course '$coursedesc'";
3168: } else {
3169: $category = 'Portfolio files belonging to ';
3170: if ($env{'user.name'} eq 'public' &&
3171: $env{'user.domain'} eq 'public') {
3172: $category .= &plainname($uname,$udom);
3173: } else {
3174: $category .= &aboutmewrapper(&plainname($uname,$udom),$uname,$udom);
3175: }
3176: }
3177: } elsif ($activity eq 'groups') {
3178: $category = 'Groups in this course';
3179: }
3180: my $showstart = &Apache::lonlocal::locallocaltime($startblock);
3181: my $showend = &Apache::lonlocal::locallocaltime($endblock);
3182: $output = '<br />'.&mt('[_1] will be inaccessible between [_2] and [_3] because communication is being blocked.',$category,$showstart,$showend).'<br />';
3183: if (!($activity eq 'port' && !($ownitem) && !($is_course))) {
3184: $output .= &build_block_table($startblock,$endblock,\%setters);
3185: }
3186: }
3187: }
3188: if (wantarray) {
3189: return ($blocked,$output);
3190: } else {
3191: return $blocked;
3192: }
3193: }
3194:
1.60 matthew 3195: ###############################################
3196:
3197: =pod
3198:
1.112 bowersj2 3199: =head1 Domain Template Functions
3200:
3201: =over 4
3202:
3203: =item * &determinedomain()
1.60 matthew 3204:
3205: Inputs: $domain (usually will be undef)
3206:
1.63 www 3207: Returns: Determines which domain should be used for designs
1.60 matthew 3208:
3209: =cut
1.54 www 3210:
1.60 matthew 3211: ###############################################
1.63 www 3212: sub determinedomain {
3213: my $domain=shift;
1.531 albertel 3214: if (! $domain) {
1.60 matthew 3215: # Determine domain if we have not been given one
3216: $domain = $Apache::lonnet::perlvar{'lonDefDomain'};
1.258 albertel 3217: if ($env{'user.domain'}) { $domain=$env{'user.domain'}; }
3218: if ($env{'request.role.domain'}) {
3219: $domain=$env{'request.role.domain'};
1.60 matthew 3220: }
3221: }
1.63 www 3222: return $domain;
3223: }
3224: ###############################################
1.517 raeburn 3225:
1.518 albertel 3226: sub devalidate_domconfig_cache {
3227: my ($udom)=@_;
3228: &Apache::lonnet::devalidate_cache_new('domainconfig',$udom);
3229: }
3230:
3231: # ---------------------- Get domain configuration for a domain
3232: sub get_domainconf {
3233: my ($udom) = @_;
3234: my $cachetime=1800;
3235: my ($result,$cached)=&Apache::lonnet::is_cached_new('domainconfig',$udom);
3236: if (defined($cached)) { return %{$result}; }
3237:
3238: my %domconfig = &Apache::lonnet::get_dom('configuration',
3239: ['login','rolecolors'],$udom);
3240: my %designhash;
3241: if (keys(%domconfig) > 0) {
3242: if (ref($domconfig{'login'}) eq 'HASH') {
3243: foreach my $key (keys(%{$domconfig{'login'}})) {
3244: $designhash{$udom.'.login.'.$key}=$domconfig{'login'}{$key};
3245: }
3246: }
3247: if (ref($domconfig{'rolecolors'}) eq 'HASH') {
3248: foreach my $role (keys(%{$domconfig{'rolecolors'}})) {
3249: if (ref($domconfig{'rolecolors'}{$role}) eq 'HASH') {
3250: foreach my $item (keys(%{$domconfig{'rolecolors'}{$role}})) {
3251: $designhash{$udom.'.'.$role.'.'.$item}=$domconfig{'rolecolors'}{$role}{$item};
3252: }
3253: }
3254: }
3255: }
3256: } else {
3257: my $designdir=$Apache::lonnet::perlvar{'lonTabDir'}.'/lonDomColors';
3258: my $designfile = $designdir.'/'.$udom.'.tab';
3259: if (-e $designfile) {
3260: if ( open (my $fh,"<$designfile") ) {
3261: while (my $line = <$fh>) {
3262: next if ($line =~ /^\#/);
3263: chomp($line);
3264: my ($key,$val)=(split(/\=/,$line));
3265: if ($val) { $designhash{$udom.'.'.$key}=$val; }
3266: }
3267: close($fh);
3268: }
3269: }
3270: if (-e '/home/httpd/html/adm/lonDomLogos/'.$udom.'.gif') {
1.519 raeburn 3271: $designhash{$udom.'.login.domlogo'} = "/adm/lonDomLogos/$udom.gif";
1.518 albertel 3272: }
3273: }
3274: &Apache::lonnet::do_cache_new('domainconfig',$udom,\%designhash,
3275: $cachetime);
3276: return %designhash;
3277: }
3278:
1.63 www 3279: =pod
3280:
1.112 bowersj2 3281: =item * &domainlogo()
1.63 www 3282:
3283: Inputs: $domain (usually will be undef)
3284:
3285: Returns: A link to a domain logo, if the domain logo exists.
3286: If the domain logo does not exist, a description of the domain.
3287:
3288: =cut
1.112 bowersj2 3289:
1.63 www 3290: ###############################################
3291: sub domainlogo {
1.517 raeburn 3292: my $domain = &determinedomain(shift);
1.518 albertel 3293: my %designhash = &get_domainconf($domain);
1.517 raeburn 3294: # See if there is a logo
3295: if ($designhash{$domain.'.login.domlogo'} ne '') {
1.519 raeburn 3296: my $imgsrc = $designhash{$domain.'.login.domlogo'};
1.538 albertel 3297: if ($imgsrc =~ m{^/(adm|res)/}) {
3298: if ($imgsrc =~ m{^/res/}) {
3299: my $local_name = &Apache::lonnet::filelocation('',$imgsrc);
3300: &Apache::lonnet::repcopy($local_name);
3301: }
3302: $imgsrc = &lonhttpdurl($imgsrc);
1.519 raeburn 3303: }
3304: return '<img src="'.$imgsrc.'" alt="'.$domain.'" />';
1.514 albertel 3305: } elsif (defined(&Apache::lonnet::domain($domain,'description'))) {
3306: return &Apache::lonnet::domain($domain,'description');
1.59 www 3307: } else {
1.60 matthew 3308: return '';
1.59 www 3309: }
3310: }
1.63 www 3311: ##############################################
3312:
3313: =pod
3314:
1.112 bowersj2 3315: =item * &designparm()
1.63 www 3316:
3317: Inputs: $which parameter; $domain (usually will be undef)
3318:
3319: Returns: value of designparamter $which
3320:
3321: =cut
1.112 bowersj2 3322:
1.397 albertel 3323:
1.400 albertel 3324: ##############################################
1.397 albertel 3325: sub designparm {
3326: my ($which,$domain)=@_;
1.258 albertel 3327: if ($env{'browser.blackwhite'} eq 'on') {
1.110 www 3328: if ($which=~/\.(font|alink|vlink|link)$/) {
3329: return '#000000';
3330: }
3331: if ($which=~/\.(pgbg|sidebg)$/) {
3332: return '#FFFFFF';
3333: }
3334: if ($which=~/\.tabbg$/) {
3335: return '#CCCCCC';
3336: }
3337: }
1.397 albertel 3338: if (exists($env{'environment.color.'.$which})) {
1.258 albertel 3339: return $env{'environment.color.'.$which};
1.96 www 3340: }
1.63 www 3341: $domain=&determinedomain($domain);
1.518 albertel 3342: my %domdesign = &get_domainconf($domain);
1.520 raeburn 3343: my $output;
1.517 raeburn 3344: if ($domdesign{$domain.'.'.$which} ne '') {
1.520 raeburn 3345: $output = $domdesign{$domain.'.'.$which};
1.63 www 3346: } else {
1.520 raeburn 3347: $output = $defaultdesign{$which};
3348: }
3349: if (($which =~ /^(student|coordinator|author|admin)\.img$/) ||
3350: ($which =~ /login\.(img|logo|domlogo)/)) {
1.538 albertel 3351: if ($output =~ m{^/(adm|res)/}) {
3352: if ($output =~ m{^/res/}) {
3353: my $local_name = &Apache::lonnet::filelocation('',$output);
3354: &Apache::lonnet::repcopy($local_name);
3355: }
1.520 raeburn 3356: $output = &lonhttpdurl($output);
3357: }
1.63 www 3358: }
1.520 raeburn 3359: return $output;
1.63 www 3360: }
1.59 www 3361:
1.60 matthew 3362: ###############################################
3363: ###############################################
3364:
3365: =pod
3366:
1.112 bowersj2 3367: =back
3368:
1.549 albertel 3369: =head1 HTML Helpers
1.112 bowersj2 3370:
3371: =over 4
3372:
3373: =item * &bodytag()
1.60 matthew 3374:
3375: Returns a uniform header for LON-CAPA web pages.
3376:
3377: Inputs:
3378:
1.112 bowersj2 3379: =over 4
3380:
3381: =item * $title, A title to be displayed on the page.
3382:
3383: =item * $function, the current role (can be undef).
3384:
3385: =item * $addentries, extra parameters for the <body> tag.
3386:
3387: =item * $bodyonly, if defined, only return the <body> tag.
3388:
3389: =item * $domain, if defined, force a given domain.
3390:
3391: =item * $forcereg, if page should register as content page (relevant for
1.86 www 3392: text interface only)
1.60 matthew 3393:
1.326 albertel 3394: =item * $customtitle, alternate text to use instead of $title
3395: in the title box that appears, this text
3396: is not auto translated like the $title is
1.309 albertel 3397:
3398: =item * $notopbar, if true, keep the 'what is this' info but remove the
3399: navigational links
1.317 albertel 3400:
1.338 albertel 3401: =item * $bgcolor, used to override the bgcolor on a webpage to a specific value
3402:
3403: =item * $notitle, if true keep the nav controls, but remove the title bar
3404:
1.361 albertel 3405: =item * $no_inline_link, if true and in remote mode, don't show the
3406: 'Switch To Inline Menu' link
3407:
1.460 albertel 3408: =item * $args, optional argument valid values are
3409: no_auto_mt_title -> prevents &mt()ing the title arg
1.562 albertel 3410: inherit_jsmath -> when creating popup window in a page,
3411: should it have jsmath forced on by the
3412: current page
1.460 albertel 3413:
1.112 bowersj2 3414: =back
3415:
1.60 matthew 3416: Returns: A uniform header for LON-CAPA web pages.
3417: If $bodyonly is nonzero, a string containing a <body> tag will be returned.
3418: If $bodyonly is undef or zero, an html string containing a <body> tag and
3419: other decorations will be returned.
3420:
3421: =cut
3422:
1.54 www 3423: sub bodytag {
1.309 albertel 3424: my ($title,$function,$addentries,$bodyonly,$domain,$forcereg,$customtitle,
1.460 albertel 3425: $notopbar,$bgcolor,$notitle,$no_inline_link,$args)=@_;
1.339 albertel 3426:
1.460 albertel 3427: if (!$args->{'no_auto_mt_title'}) { $title = &mt($title); }
1.339 albertel 3428:
1.183 matthew 3429: $function = &get_users_function() if (!$function);
1.339 albertel 3430: my $img = &designparm($function.'.img',$domain);
3431: my $font = &designparm($function.'.font',$domain);
3432: my $pgbg = $bgcolor || &designparm($function.'.pgbg',$domain);
3433:
3434: my %design = ( 'style' => 'margin-top: 0px',
1.535 albertel 3435: 'bgcolor' => $pgbg,
1.339 albertel 3436: 'text' => $font,
3437: 'alink' => &designparm($function.'.alink',$domain),
3438: 'vlink' => &designparm($function.'.vlink',$domain),
3439: 'link' => &designparm($function.'.link',$domain),);
1.438 albertel 3440: @design{keys(%$addentries)} = @$addentries{keys(%$addentries)};
1.339 albertel 3441:
1.63 www 3442: # role and realm
1.378 raeburn 3443: my ($role,$realm) = split(/\./,$env{'request.role'},2);
3444: if ($role eq 'ca') {
1.479 albertel 3445: my ($rdom,$rname) = ($realm =~ m{^/($match_domain)/($match_username)$});
1.500 albertel 3446: $realm = &plainname($rname,$rdom);
1.378 raeburn 3447: }
1.55 www 3448: # realm
1.258 albertel 3449: if ($env{'request.course.id'}) {
1.378 raeburn 3450: if ($env{'request.role'} !~ /^cr/) {
3451: $role = &Apache::lonnet::plaintext($role,&course_type());
3452: }
1.359 albertel 3453: $realm = $env{'course.'.$env{'request.course.id'}.'.description'};
1.378 raeburn 3454: } else {
3455: $role = &Apache::lonnet::plaintext($role);
1.54 www 3456: }
1.433 albertel 3457:
1.359 albertel 3458: if (!$realm) { $realm=' '; }
1.55 www 3459: # Set messages
1.60 matthew 3460: my $messages=&domainlogo($domain);
1.330 albertel 3461:
1.438 albertel 3462: my $extra_body_attr = &make_attr_string($forcereg,\%design);
1.329 albertel 3463:
1.101 www 3464: # construct main body tag
1.359 albertel 3465: my $bodytag = "<body $extra_body_attr>".
1.562 albertel 3466: &Apache::lontexconvert::init_math_support($args->{'inherit_jsmath'});
1.252 albertel 3467:
1.530 albertel 3468: if ($bodyonly) {
1.60 matthew 3469: return $bodytag;
1.258 albertel 3470: } elsif ($env{'browser.interface'} eq 'textual') {
1.95 www 3471: # Accessibility
1.224 raeburn 3472:
1.337 albertel 3473: $bodytag.=&Apache::lonmenu::menubuttons($forcereg,$forcereg);
1.338 albertel 3474: if (!$notitle) {
1.337 albertel 3475: $bodytag.='<h1>LON-CAPA: '.$title.'</h1>';
3476: }
3477: return $bodytag;
1.359 albertel 3478: }
3479:
1.410 albertel 3480: my $name = &plainname($env{'user.name'},$env{'user.domain'});
1.433 albertel 3481: if ($env{'user.name'} eq 'public' && $env{'user.domain'} eq 'public') {
3482: undef($role);
1.434 albertel 3483: } else {
3484: $name = &aboutmewrapper($name,$env{'user.name'},$env{'user.domain'});
1.433 albertel 3485: }
1.359 albertel 3486:
3487: my $roleinfo=(<<ENDROLE);
3488: <td class="LC_title_bar_who">
3489: <div class="LC_title_bar_name">
1.410 albertel 3490: $name
1.361 albertel 3491:
1.359 albertel 3492: </div>
3493: <div class="LC_title_bar_role">
1.361 albertel 3494: $role
1.359 albertel 3495: </div>
3496: <div class="LC_title_bar_realm">
1.361 albertel 3497: $realm
1.359 albertel 3498: </div>
1.206 albertel 3499: </td>
3500: ENDROLE
1.235 raeburn 3501:
1.359 albertel 3502: my $titleinfo = '<span class="LC_title_bar_title">'.$title.'</span>';
3503: if ($customtitle) {
3504: $titleinfo = $customtitle;
3505: }
3506: #
3507: # Extra info if you are the DC
3508: my $dc_info = '';
3509: if ($env{'user.adv'} && exists($env{'user.role.dc./'.
3510: $env{'course.'.$env{'request.course.id'}.
3511: '.domain'}.'/'})) {
3512: my $cid = $env{'request.course.id'};
3513: $dc_info.= $cid.' '.$env{'course.'.$cid.'.internal.coursecode'};
1.380 www 3514: $dc_info =~ s/\s+$//;
1.359 albertel 3515: $dc_info = '('.$dc_info.')';
3516: }
3517:
3518: if ($env{'environment.remote'} eq 'off') {
3519: # No Remote
1.258 albertel 3520: if ($env{'request.state'} eq 'construct') {
1.359 albertel 3521: $forcereg=1;
3522: }
3523:
3524: if (!$customtitle && $env{'request.state'} eq 'construct') {
3525: # this is for resources; directories have customtitle, and crumbs
3526: # and select recent are created in lonpubdir.pm
1.229 albertel 3527: my ($uname,$thisdisfn)=
1.258 albertel 3528: ($env{'request.filename'} =~ m|^/home/([^/]+)/public_html/(.*)|);
1.229 albertel 3529: my $formaction='/priv/'.$uname.'/'.$thisdisfn;
3530: $formaction=~s/\/+/\//g;
3531:
1.359 albertel 3532: my $parentpath = '';
3533: my $lastitem = '';
3534: if ($thisdisfn =~ m-(.+/)([^/]*)$-) {
3535: $parentpath = $1;
3536: $lastitem = $2;
3537: } else {
3538: $lastitem = $thisdisfn;
3539: }
3540: $titleinfo =
1.401 albertel 3541: &Apache::loncommon::help_open_menu('','',3,'Authoring').
1.359 albertel 3542: '<b>Construction Space</b>: '.
3543: '<form name="dirs" method="post" action="'.$formaction
3544: .'" target="_top"><tt><b>'
3545: .&Apache::lonhtmlcommon::crumbs($uname.'/'.$parentpath,'_top','/priv','','+1',1)."<font size=\"+1\">$lastitem</font></b></tt><br />"
3546: .&Apache::lonhtmlcommon::select_recent('construct','recent','this.form.action=this.form.recent.value;this.form.submit()')
3547: .'</form>'
3548: .&Apache::lonmenu::constspaceform();
1.235 raeburn 3549: }
1.359 albertel 3550:
1.337 albertel 3551: my $titletable;
1.338 albertel 3552: if (!$notitle) {
1.337 albertel 3553: $titletable =
1.359 albertel 3554: '<table id="LC_title_bar">'.
3555: "<tr><td> $titleinfo $dc_info</td>".$roleinfo.
3556: '</tr></table>';
1.337 albertel 3557: }
1.359 albertel 3558: if ($notopbar) {
3559: $bodytag .= $titletable;
3560: } else {
3561: if ($env{'request.state'} eq 'construct') {
1.337 albertel 3562: $bodytag .= &Apache::lonmenu::menubuttons($forcereg,$forcereg,
3563: $titletable);
1.272 raeburn 3564: } else {
1.336 albertel 3565: $bodytag .= &Apache::lonmenu::menubuttons($forcereg,$forcereg).
1.359 albertel 3566: $titletable;
1.272 raeburn 3567: }
1.235 raeburn 3568: }
3569: return $bodytag;
1.94 www 3570: }
1.95 www 3571:
1.93 www 3572: #
1.95 www 3573: # Top frame rendering, Remote is up
1.93 www 3574: #
1.359 albertel 3575:
1.517 raeburn 3576: my $imgsrc = $img;
3577: if ($img =~ /^\/adm/) {
1.564.2.4 albertel 3578: $imgsrc = &lonhttpdurl($img);
1.517 raeburn 3579: }
3580: my $upperleft='<img src="'.$imgsrc.'" alt="'.$function.'" />';
1.359 albertel 3581:
1.305 www 3582: # Explicit link to get inline menu
1.361 albertel 3583: my $menu= ($no_inline_link?''
3584: :'<br /><a href="/adm/remote?action=collapse">'.&mt('Switch to Inline Menu Mode').'</a>');
1.245 matthew 3585: #
1.338 albertel 3586: if ($notitle) {
1.337 albertel 3587: return $bodytag;
3588: }
1.94 www 3589: return(<<ENDBODY);
1.60 matthew 3590: $bodytag
1.359 albertel 3591: <table id="LC_title_bar" class="LC_with_remote">
1.368 albertel 3592: <tr><td class="LC_title_bar_role_logo">$upperleft</td>
1.359 albertel 3593: <td class="LC_title_bar_domain_logo">$messages </td>
1.54 www 3594: </tr>
1.359 albertel 3595: <tr><td>$titleinfo $dc_info $menu</td>
3596: $roleinfo
1.368 albertel 3597: </tr>
1.356 albertel 3598: </table>
1.54 www 3599: ENDBODY
1.182 matthew 3600: }
3601:
1.330 albertel 3602: sub make_attr_string {
3603: my ($register,$attr_ref) = @_;
3604:
3605: if ($attr_ref && !ref($attr_ref)) {
3606: die("addentries Must be a hash ref ".
3607: join(':',caller(1))." ".
3608: join(':',caller(0))." ");
3609: }
3610:
3611: if ($register) {
1.339 albertel 3612: my ($on_load,$on_unload);
3613: foreach my $key (keys(%{$attr_ref})) {
3614: if (lc($key) eq 'onload') {
3615: $on_load.=$attr_ref->{$key}.';';
3616: delete($attr_ref->{$key});
3617:
3618: } elsif (lc($key) eq 'onunload') {
3619: $on_unload.=$attr_ref->{$key}.';';
3620: delete($attr_ref->{$key});
3621: }
3622: }
3623: $attr_ref->{'onload'} =
3624: &Apache::lonmenu::loadevents(). $on_load;
3625: $attr_ref->{'onunload'}=
3626: &Apache::lonmenu::unloadevents().$on_unload;
3627: }
3628:
3629: # Accessibility font enhance
3630: if ($env{'browser.fontenhance'} eq 'on') {
3631: my $style;
3632: foreach my $key (keys(%{$attr_ref})) {
3633: if (lc($key) eq 'style') {
3634: $style.=$attr_ref->{$key}.';';
3635: delete($attr_ref->{$key});
3636: }
3637: }
3638: $attr_ref->{'style'}=$style.'; font-size: x-large;';
1.330 albertel 3639: }
1.339 albertel 3640:
3641: if ($env{'browser.blackwhite'} eq 'on') {
3642: delete($attr_ref->{'font'});
3643: delete($attr_ref->{'link'});
3644: delete($attr_ref->{'alink'});
3645: delete($attr_ref->{'vlink'});
3646: delete($attr_ref->{'bgcolor'});
3647: delete($attr_ref->{'background'});
3648: }
3649:
1.330 albertel 3650: my $attr_string;
3651: foreach my $attr (keys(%$attr_ref)) {
3652: $attr_string .= " $attr=\"".$attr_ref->{$attr}.'" ';
3653: }
3654: return $attr_string;
3655: }
3656:
3657:
1.182 matthew 3658: ###############################################
1.251 albertel 3659: ###############################################
3660:
3661: =pod
3662:
3663: =item * &endbodytag()
3664:
3665: Returns a uniform footer for LON-CAPA web pages.
3666:
1.306 albertel 3667: Inputs: none
1.251 albertel 3668:
3669: =cut
3670:
3671: sub endbodytag {
3672: my $endbodytag='</body>';
1.269 albertel 3673: $endbodytag=&Apache::lontexconvert::jsMath_process()."\n".$endbodytag;
1.315 albertel 3674: if ( exists( $env{'internal.head.redirect'} ) ) {
3675: $endbodytag=
3676: "<br /><a href=\"$env{'internal.head.redirect'}\">".
3677: &mt('Continue').'</a>'.
3678: $endbodytag;
3679: }
1.251 albertel 3680: return $endbodytag;
3681: }
3682:
1.352 albertel 3683: =pod
3684:
3685: =item * &standard_css()
3686:
3687: Returns a style sheet
3688:
3689: Inputs: (all optional)
3690: domain -> force to color decorate a page for a specific
3691: domain
3692: function -> force usage of a specific rolish color scheme
3693: bgcolor -> override the default page bgcolor
3694:
3695: =cut
3696:
1.343 albertel 3697: sub standard_css {
1.345 albertel 3698: my ($function,$domain,$bgcolor) = @_;
1.352 albertel 3699: $function = &get_users_function() if (!$function);
3700: my $img = &designparm($function.'.img', $domain);
3701: my $tabbg = &designparm($function.'.tabbg', $domain);
3702: my $font = &designparm($function.'.font', $domain);
1.345 albertel 3703: my $sidebg = &designparm($function.'.sidebg',$domain);
1.382 albertel 3704: my $pgbg_or_bgcolor =
3705: $bgcolor ||
1.352 albertel 3706: &designparm($function.'.pgbg', $domain);
1.382 albertel 3707: my $pgbg = &designparm($function.'.pgbg', $domain);
1.352 albertel 3708: my $alink = &designparm($function.'.alink', $domain);
3709: my $vlink = &designparm($function.'.vlink', $domain);
3710: my $link = &designparm($function.'.link', $domain);
3711:
3712: my $sans = 'Arial,Helvetica,sans-serif';
1.395 albertel 3713: my $mono = 'monospace';
1.352 albertel 3714: my $data_table_head = $tabbg;
3715: my $data_table_light = '#EEEEEE';
1.470 banghart 3716: my $data_table_dark = '#DDDDDD';
3717: my $data_table_darker = '#CCCCCC';
1.349 albertel 3718: my $data_table_highlight = '#FFFF00';
1.352 albertel 3719: my $mail_new = '#FFBB77';
3720: my $mail_new_hover = '#DD9955';
3721: my $mail_read = '#BBBB77';
3722: my $mail_read_hover = '#999944';
3723: my $mail_replied = '#AAAA88';
3724: my $mail_replied_hover = '#888855';
3725: my $mail_other = '#99BBBB';
3726: my $mail_other_hover = '#669999';
1.391 albertel 3727: my $table_header = '#DDDDDD';
1.489 raeburn 3728: my $feedback_link_bg = '#BBBBBB';
1.392 albertel 3729:
3730: my $border = ($env{'browser.type'} eq 'explorer') ? '0px 2px 0px 2px'
3731: : '0px 3px 0px 4px';
1.448 albertel 3732:
1.523 albertel 3733:
1.343 albertel 3734: return <<END;
1.345 albertel 3735: h1, h2, h3, th { font-family: $sans }
1.343 albertel 3736: a:focus { color: red; background: yellow }
1.510 albertel 3737: table.thinborder,
1.523 albertel 3738:
1.510 albertel 3739: table.thinborder tr th {
3740: border-style: solid;
3741: border-width: 1px;
3742: background: $tabbg;
3743: }
1.523 albertel 3744: table.thinborder tr td {
1.510 albertel 3745: border-style: solid;
3746: border-width: 1px
3747: }
1.426 albertel 3748:
1.343 albertel 3749: form, .inline { display: inline; }
3750: .center { text-align: center; }
1.395 albertel 3751: .LC_filename {font-family: $mono;}
1.350 albertel 3752: .LC_error {
3753: color: red;
3754: font-size: larger;
3755: }
1.457 albertel 3756: .LC_warning,
3757: .LC_diff_removed {
1.394 albertel 3758: color: red;
3759: }
1.532 albertel 3760:
3761: .LC_info,
1.457 albertel 3762: .LC_success,
3763: .LC_diff_added {
1.350 albertel 3764: color: green;
3765: }
1.543 albertel 3766: .LC_unknown {
3767: color: yellow;
3768: }
3769:
1.440 albertel 3770: .LC_icon {
3771: border: 0px;
3772: }
1.539 albertel 3773: .LC_indexer_icon {
3774: border: 0px;
3775: height: 22px;
3776: }
1.543 albertel 3777: .LC_docs_spacer {
3778: width: 25px;
3779: height: 1px;
3780: border: 0px;
3781: }
1.346 albertel 3782:
1.532 albertel 3783: .LC_internal_info {
3784: color: #999;
3785: }
3786:
1.458 albertel 3787: table.LC_pastsubmission {
3788: border: 1px solid black;
3789: margin: 2px;
3790: }
3791:
1.392 albertel 3792: table#LC_top_nav, table#LC_menubuttons {
1.345 albertel 3793: width: 100%;
3794: background: $pgbg;
1.392 albertel 3795: border: 2px;
1.402 albertel 3796: border-collapse: separate;
1.403 albertel 3797: padding: 0px;
1.345 albertel 3798: }
1.392 albertel 3799:
1.409 albertel 3800: table#LC_title_bar, table.LC_breadcrumbs, table#LC_nav_location,
1.393 albertel 3801: table#LC_title_bar.LC_with_remote {
1.359 albertel 3802: width: 100%;
1.392 albertel 3803: border-color: $pgbg;
3804: border-style: solid;
3805: border-width: $border;
3806:
1.379 albertel 3807: background: $pgbg;
3808: font-family: $sans;
1.392 albertel 3809: border-collapse: collapse;
1.403 albertel 3810: padding: 0px;
1.359 albertel 3811: }
1.392 albertel 3812:
1.409 albertel 3813: table.LC_docs_path {
3814: width: 100%;
3815: border: 0;
3816: background: $pgbg;
3817: font-family: $sans;
3818: border-collapse: collapse;
3819: padding: 0px;
3820: }
3821:
1.359 albertel 3822: table#LC_title_bar td {
3823: background: $tabbg;
3824: }
3825: table#LC_title_bar td.LC_title_bar_who {
3826: background: $tabbg;
3827: color: $font;
1.427 albertel 3828: font: small $sans;
1.359 albertel 3829: text-align: right;
3830: }
1.469 banghart 3831: span.LC_metadata {
3832: font-family: $sans;
3833: }
1.359 albertel 3834: span.LC_title_bar_title {
1.416 albertel 3835: font: bold x-large $sans;
1.359 albertel 3836: }
3837: table#LC_title_bar td.LC_title_bar_domain_logo {
3838: background: $sidebg;
3839: text-align: right;
1.368 albertel 3840: padding: 0px;
3841: }
3842: table#LC_title_bar td.LC_title_bar_role_logo {
3843: background: $sidebg;
3844: padding: 0px;
1.359 albertel 3845: }
3846:
1.346 albertel 3847: table#LC_menubuttons_mainmenu {
1.526 www 3848: width: 100%;
1.346 albertel 3849: border: 0px;
3850: border-spacing: 1px;
1.372 albertel 3851: padding: 0px 1px;
1.346 albertel 3852: margin: 0px;
3853: border-collapse: separate;
3854: }
3855: table#LC_menubuttons img, table#LC_menubuttons_mainmenu img {
3856: border: 0px;
3857: }
1.345 albertel 3858: table#LC_top_nav td {
3859: background: $tabbg;
1.392 albertel 3860: border: 0px;
1.407 albertel 3861: font-size: small;
1.345 albertel 3862: }
3863: table#LC_top_nav td a, div#LC_top_nav a {
3864: color: $font;
3865: font-family: $sans;
3866: }
1.364 albertel 3867: table#LC_top_nav td.LC_top_nav_logo {
3868: background: $tabbg;
1.432 albertel 3869: text-align: left;
1.408 albertel 3870: white-space: nowrap;
1.432 albertel 3871: width: 31px;
1.408 albertel 3872: }
3873: table#LC_top_nav td.LC_top_nav_logo img {
1.432 albertel 3874: border: 0px;
1.408 albertel 3875: vertical-align: bottom;
1.364 albertel 3876: }
1.432 albertel 3877: table#LC_top_nav td.LC_top_nav_exit,
3878: table#LC_top_nav td.LC_top_nav_help {
3879: width: 2.0em;
3880: }
1.442 albertel 3881: table#LC_top_nav td.LC_top_nav_login {
3882: width: 4.0em;
3883: text-align: center;
3884: }
1.409 albertel 3885: table.LC_breadcrumbs td, table.LC_docs_path td {
1.357 albertel 3886: background: $tabbg;
3887: color: $font;
3888: font-family: $sans;
1.358 albertel 3889: font-size: smaller;
1.357 albertel 3890: }
1.411 albertel 3891: table.LC_breadcrumbs td.LC_breadcrumbs_component,
1.409 albertel 3892: table.LC_docs_path td.LC_docs_path_component {
1.357 albertel 3893: background: $tabbg;
3894: color: $font;
3895: font-family: $sans;
3896: font-size: larger;
3897: text-align: right;
3898: }
1.383 albertel 3899: td.LC_table_cell_checkbox {
3900: text-align: center;
3901: }
3902:
1.522 albertel 3903: table#LC_mainmenu td.LC_mainmenu_column {
3904: vertical-align: top;
3905: }
3906:
1.346 albertel 3907: .LC_menubuttons_inline_text {
3908: color: $font;
3909: font-family: $sans;
3910: font-size: smaller;
3911: }
3912:
1.526 www 3913: .LC_menubuttons_link {
3914: text-decoration: none;
3915: }
3916:
1.522 albertel 3917: .LC_menubuttons_category {
1.521 www 3918: color: $font;
1.526 www 3919: background: $pgbg;
1.521 www 3920: font-family: $sans;
3921: font-size: larger;
3922: font-weight: bold;
3923: }
3924:
1.346 albertel 3925: td.LC_menubuttons_text {
1.526 www 3926: width: 90%;
1.346 albertel 3927: color: $font;
3928: font-family: $sans;
3929: }
1.526 www 3930:
1.346 albertel 3931: td.LC_menubuttons_img {
3932: }
1.526 www 3933:
1.346 albertel 3934: .LC_current_location {
3935: font-family: $sans;
3936: background: $tabbg;
3937: }
3938: .LC_new_mail {
3939: font-family: $sans;
3940: font-weight: bold;
3941: }
1.347 albertel 3942:
1.526 www 3943: .LC_rolesmenu_is {
3944: font-family: $sans;
3945: }
3946:
3947: .LC_rolesmenu_selected {
3948: font-family: $sans;
3949: }
3950:
3951: .LC_rolesmenu_future {
3952: font-family: $sans;
3953: }
3954:
3955:
3956: .LC_rolesmenu_will {
3957: font-family: $sans;
3958: }
3959:
3960: .LC_rolesmenu_will_not {
3961: font-family: $sans;
3962: }
3963:
3964: .LC_rolesmenu_expired {
3965: font-family: $sans;
3966: }
3967:
3968: .LC_rolesinfo {
3969: font-family: $sans;
3970: }
3971:
1.527 www 3972: .LC_dropadd_labeltext {
3973: font-family: $sans;
3974: text-align: right;
3975: }
3976:
3977: .LC_preferences_labeltext {
3978: font-family: $sans;
3979: text-align: right;
3980: }
3981:
1.440 albertel 3982: table.LC_aboutme_port {
3983: border: 0px;
3984: border-collapse: collapse;
3985: border-spacing: 0px;
3986: }
1.349 albertel 3987: table.LC_data_table, table.LC_mail_list {
1.347 albertel 3988: border: 1px solid #000000;
1.402 albertel 3989: border-collapse: separate;
1.426 albertel 3990: border-spacing: 1px;
1.347 albertel 3991: }
1.422 albertel 3992: .LC_data_table_dense {
3993: font-size: small;
3994: }
1.507 raeburn 3995: table.LC_nested_outer {
3996: border: 1px solid #000000;
3997: border-collapse: separate;
3998: border-spacing: 0px;
3999: width: 100%;
4000: }
4001: table.LC_nested {
4002: border: 0px;
4003: border-collapse: separate;
4004: border-spacing: 0px;
4005: width: 100%;
4006: }
1.523 albertel 4007: table.LC_data_table tr th, table.LC_calendar tr th, table.LC_mail_list tr th,
4008: table.LC_prior_tries tr th {
1.349 albertel 4009: font-weight: bold;
4010: background-color: $data_table_head;
1.421 albertel 4011: font-size: smaller;
1.347 albertel 4012: }
1.440 albertel 4013: table.LC_data_table tr td,
4014: table.LC_aboutme_port tr td {
1.349 albertel 4015: background-color: $data_table_light;
1.425 albertel 4016: padding: 2px;
1.347 albertel 4017: }
1.440 albertel 4018: table.LC_data_table tr.LC_even_row td,
4019: table.LC_aboutme_port tr.LC_even_row td {
1.349 albertel 4020: background-color: $data_table_dark;
1.347 albertel 4021: }
1.425 albertel 4022: table.LC_data_table tr.LC_data_table_highlight td {
4023: background-color: $data_table_darker;
4024: }
1.451 albertel 4025: table.LC_data_table tr.LC_empty_row td,
1.507 raeburn 4026: table.LC_nested tr.LC_empty_row td {
1.347 albertel 4027: background-color: #FFFFFF;
1.421 albertel 4028: font-weight: bold;
4029: font-style: italic;
4030: text-align: center;
4031: padding: 8px;
1.347 albertel 4032: }
1.507 raeburn 4033: table.LC_nested tr.LC_empty_row td {
1.465 albertel 4034: padding: 4ex
4035: }
1.507 raeburn 4036: table.LC_nested_outer tr th {
4037: font-weight: bold;
4038: background-color: $data_table_head;
4039: font-size: smaller;
4040: border-bottom: 1px solid #000000;
4041: }
4042: table.LC_nested_outer tr td.LC_subheader {
4043: background-color: $data_table_head;
4044: font-weight: bold;
4045: font-size: small;
4046: border-bottom: 1px solid #000000;
4047: text-align: right;
1.451 albertel 4048: }
1.507 raeburn 4049: table.LC_nested tr.LC_info_row td {
1.451 albertel 4050: background-color: #CCC;
4051: font-weight: bold;
4052: font-size: small;
1.507 raeburn 4053: text-align: center;
4054: }
4055: table.LC_nested tr.LC_info_row td.LC_left_item {
4056: text-align: left;
1.451 albertel 4057: }
1.507 raeburn 4058: table.LC_nested td {
1.451 albertel 4059: background-color: #FFF;
4060: font-size: small;
1.507 raeburn 4061: }
4062: table.LC_nested_outer tr th.LC_right_item,
4063: table.LC_nested tr.LC_info_row td.LC_right_item,
4064: table.LC_nested tr.LC_odd_row td.LC_right_item,
4065: table.LC_nested tr td.LC_right_item {
1.451 albertel 4066: text-align: right;
4067: }
4068:
1.507 raeburn 4069: table.LC_nested tr.LC_odd_row td {
1.451 albertel 4070: background-color: #EEE;
4071: }
4072:
1.473 raeburn 4073: table.LC_createuser {
4074: }
4075:
4076: table.LC_createuser tr.LC_section_row td {
4077: font-size: smaller;
4078: }
4079:
4080: table.LC_createuser tr.LC_info_row td {
4081: background-color: #CCC;
4082: font-weight: bold;
4083: text-align: center;
4084: }
4085:
1.349 albertel 4086: table.LC_calendar {
4087: border: 1px solid #000000;
4088: border-collapse: collapse;
4089: }
4090: table.LC_calendar_pickdate {
4091: font-size: xx-small;
4092: }
4093: table.LC_calendar tr td {
4094: border: 1px solid #000000;
4095: vertical-align: top;
4096: }
4097: table.LC_calendar tr td.LC_calendar_day_empty {
4098: background-color: $data_table_dark;
4099: }
4100: table.LC_calendar tr td.LC_calendar_day_current {
4101: background-color: $data_table_highlight;
4102: }
4103:
4104: table.LC_mail_list tr.LC_mail_new {
4105: background-color: $mail_new;
4106: }
4107: table.LC_mail_list tr.LC_mail_new:hover {
4108: background-color: $mail_new_hover;
4109: }
4110: table.LC_mail_list tr.LC_mail_read {
4111: background-color: $mail_read;
4112: }
4113: table.LC_mail_list tr.LC_mail_read:hover {
4114: background-color: $mail_read_hover;
4115: }
4116: table.LC_mail_list tr.LC_mail_replied {
4117: background-color: $mail_replied;
4118: }
4119: table.LC_mail_list tr.LC_mail_replied:hover {
4120: background-color: $mail_replied_hover;
4121: }
4122: table.LC_mail_list tr.LC_mail_other {
4123: background-color: $mail_other;
4124: }
4125: table.LC_mail_list tr.LC_mail_other:hover {
4126: background-color: $mail_other_hover;
4127: }
1.494 raeburn 4128: table.LC_mail_list tr.LC_mail_even {
4129: }
4130: table.LC_mail_list tr.LC_mail_odd {
4131: }
4132:
1.385 albertel 4133:
1.386 albertel 4134: table#LC_portfolio_actions {
4135: width: auto;
4136: background: $pgbg;
4137: border: 0px;
4138: border-spacing: 2px 2px;
4139: padding: 0px;
4140: margin: 0px;
4141: border-collapse: separate;
4142: }
4143: table#LC_portfolio_actions td.LC_label {
4144: background: $tabbg;
4145: text-align: right;
4146: }
4147: table#LC_portfolio_actions td.LC_value {
4148: background: $tabbg;
4149: }
1.385 albertel 4150:
1.391 albertel 4151: table#LC_cstr_controls {
4152: width: 100%;
4153: border-collapse: collapse;
4154: }
4155: table#LC_cstr_controls tr td {
4156: border: 4px solid $pgbg;
4157: padding: 4px;
4158: text-align: center;
4159: background: $tabbg;
4160: }
4161: table#LC_cstr_controls tr th {
4162: border: 4px solid $pgbg;
4163: background: $table_header;
4164: text-align: center;
4165: font-family: $sans;
4166: font-size: smaller;
4167: }
4168:
1.389 albertel 4169: table#LC_browser {
4170:
4171: }
4172: table#LC_browser tr th {
1.391 albertel 4173: background: $table_header;
1.389 albertel 4174: }
1.390 albertel 4175: table#LC_browser tr td {
4176: padding: 2px;
4177: }
1.389 albertel 4178: table#LC_browser tr.LC_browser_file,
4179: table#LC_browser tr.LC_browser_file_published {
4180: background: #CCFF88;
4181: }
4182: table#LC_browser tr.LC_browser_file_locked,
4183: table#LC_browser tr.LC_browser_file_unpublished {
4184: background: #FFAA99;
1.387 albertel 4185: }
1.389 albertel 4186: table#LC_browser tr.LC_browser_file_obsolete {
4187: background: #AAAAAA;
1.387 albertel 4188: }
1.455 albertel 4189: table#LC_browser tr.LC_browser_file_modified,
4190: table#LC_browser tr.LC_browser_file_metamodified {
1.389 albertel 4191: background: #FFFF77;
1.387 albertel 4192: }
1.389 albertel 4193: table#LC_browser tr.LC_browser_folder {
4194: background: #CCCCFF;
1.387 albertel 4195: }
1.388 albertel 4196: span.LC_current_location {
4197: font-size: x-large;
4198: background: $pgbg;
4199: }
1.387 albertel 4200:
1.395 albertel 4201: span.LC_parm_menu_item {
4202: font-size: larger;
4203: font-family: $sans;
4204: }
4205: span.LC_parm_scope_all {
4206: color: red;
4207: }
4208: span.LC_parm_scope_folder {
4209: color: green;
4210: }
4211: span.LC_parm_scope_resource {
4212: color: orange;
4213: }
4214: span.LC_parm_part {
4215: color: blue;
4216: }
4217: span.LC_parm_folder, span.LC_parm_symb {
4218: font-size: x-small;
4219: font-family: $mono;
4220: color: #AAAAAA;
4221: }
4222:
1.396 albertel 4223: td.LC_parm_overview_level_menu, td.LC_parm_overview_map_menu,
4224: td.LC_parm_overview_parm_selectors, td.LC_parm_overview_parm_restrictions {
4225: border: 1px solid black;
4226: border-collapse: collapse;
4227: }
4228: table.LC_parm_overview_restrictions td {
4229: border-width: 1px 4px 1px 4px;
4230: border-style: solid;
4231: border-color: $pgbg;
4232: text-align: center;
4233: }
4234: table.LC_parm_overview_restrictions th {
4235: background: $tabbg;
4236: border-width: 1px 4px 1px 4px;
4237: border-style: solid;
4238: border-color: $pgbg;
4239: }
1.398 albertel 4240: table#LC_helpmenu {
4241: border: 0px;
4242: height: 55px;
4243: border-spacing: 0px;
4244: }
4245:
4246: table#LC_helpmenu fieldset legend {
4247: font-size: larger;
4248: font-weight: bold;
4249: }
1.397 albertel 4250: table#LC_helpmenu_links {
4251: width: 100%;
4252: border: 1px solid black;
4253: background: $pgbg;
4254: padding: 0px;
4255: border-spacing: 1px;
4256: }
4257: table#LC_helpmenu_links tr td {
4258: padding: 1px;
4259: background: $tabbg;
1.399 albertel 4260: text-align: center;
4261: font-weight: bold;
1.397 albertel 4262: }
1.396 albertel 4263:
1.397 albertel 4264: table#LC_helpmenu_links a:link, table#LC_helpmenu_links a:visited,
4265: table#LC_helpmenu_links a:active {
4266: text-decoration: none;
4267: color: $font;
4268: }
4269: table#LC_helpmenu_links a:hover {
4270: text-decoration: underline;
4271: color: $vlink;
4272: }
1.396 albertel 4273:
1.417 albertel 4274: .LC_chrt_popup_exists {
4275: border: 1px solid #339933;
4276: margin: -1px;
4277: }
4278: .LC_chrt_popup_up {
4279: border: 1px solid yellow;
4280: margin: -1px;
4281: }
4282: .LC_chrt_popup {
4283: border: 1px solid #8888FF;
4284: background: #CCCCFF;
4285: }
1.421 albertel 4286: table.LC_pick_box {
4287: border-collapse: separate;
4288: background: white;
4289: border: 1px solid black;
4290: border-spacing: 1px;
4291: }
4292: table.LC_pick_box td.LC_pick_box_title {
4293: background: $tabbg;
4294: font-weight: bold;
4295: text-align: right;
4296: width: 184px;
4297: padding: 8px;
4298: }
1.564.2.10 albertel 4299: table.LC_pick_box td.LC_pick_box_value {
4300: text-align: left;
4301: padding: 8px;
4302: }
4303: table.LC_pick_box td.LC_pick_box_select {
4304: text-align: left;
4305: padding: 8px;
4306: }
1.424 albertel 4307: table.LC_pick_box td.LC_pick_box_separator {
1.421 albertel 4308: padding: 0px;
4309: height: 1px;
4310: background: black;
4311: }
4312: table.LC_pick_box td.LC_pick_box_submit {
4313: text-align: right;
4314: }
1.564.2.10 albertel 4315: table.LC_pick_box td.LC_evenrow_value {
4316: text-align: left;
4317: padding: 8px;
4318: background-color: $data_table_light;
4319: }
4320: table.LC_pick_box td.LC_oddrow_value {
4321: text-align: left;
4322: padding: 8px;
4323: background-color: $data_table_light;
4324: }
4325: table.LC_helpform_receipt {
4326: width: 620px;
4327: border-collapse: separate;
4328: background: white;
4329: border: 1px solid black;
4330: border-spacing: 1px;
4331: }
4332: table.LC_helpform_receipt td.LC_pick_box_title {
4333: background: $tabbg;
4334: font-weight: bold;
4335: text-align: right;
4336: width: 184px;
4337: padding: 8px;
4338: }
4339: table.LC_helpform_receipt td.LC_evenrow_value {
4340: text-align: left;
4341: padding: 8px;
4342: background-color: $data_table_light;
4343: }
4344: table.LC_helpform_receipt td.LC_oddrow_value {
4345: text-align: left;
4346: padding: 8px;
4347: background-color: $data_table_light;
4348: }
4349: table.LC_helpform_receipt td.LC_pick_box_separator {
4350: padding: 0px;
4351: height: 1px;
4352: background: black;
4353: }
4354: span.LC_helpform_receipt_cat {
4355: font-weight: bold;
4356: }
1.424 albertel 4357: table.LC_group_priv_box {
4358: background: white;
4359: border: 1px solid black;
4360: border-spacing: 1px;
4361: }
4362: table.LC_group_priv_box td.LC_pick_box_title {
4363: background: $tabbg;
4364: font-weight: bold;
4365: text-align: right;
4366: width: 184px;
4367: }
4368: table.LC_group_priv_box td.LC_groups_fixed {
4369: background: $data_table_light;
4370: text-align: center;
4371: }
4372: table.LC_group_priv_box td.LC_groups_optional {
4373: background: $data_table_dark;
4374: text-align: center;
4375: }
4376: table.LC_group_priv_box td.LC_groups_functionality {
4377: background: $data_table_darker;
4378: text-align: center;
4379: font-weight: bold;
4380: }
4381: table.LC_group_priv td {
4382: text-align: left;
4383: padding: 0px;
4384: }
4385:
1.421 albertel 4386: table.LC_notify_front_page {
4387: background: white;
4388: border: 1px solid black;
4389: padding: 8px;
4390: }
4391: table.LC_notify_front_page td {
4392: padding: 8px;
4393: }
1.424 albertel 4394: .LC_navbuttons {
4395: margin: 2ex 0ex 2ex 0ex;
4396: }
1.423 albertel 4397: .LC_topic_bar {
4398: font-family: $sans;
4399: font-weight: bold;
4400: width: 100%;
4401: background: $tabbg;
4402: vertical-align: middle;
4403: margin: 2ex 0ex 2ex 0ex;
4404: }
4405: .LC_topic_bar span {
4406: vertical-align: middle;
4407: }
4408: .LC_topic_bar img {
4409: vertical-align: bottom;
4410: }
4411: table.LC_course_group_status {
4412: margin: 20px;
4413: }
4414: table.LC_status_selector td {
4415: vertical-align: top;
4416: text-align: center;
1.424 albertel 4417: padding: 4px;
4418: }
4419: table.LC_descriptive_input td.LC_description {
4420: vertical-align: top;
4421: text-align: right;
4422: font-weight: bold;
1.423 albertel 4423: }
1.489 raeburn 4424: table.LC_feedback_link {
4425: background: $feedback_link_bg;
4426: }
4427: span.LC_feedback_link {
4428: background: $feedback_link_bg;
4429: font-size: larger;
4430: }
1.421 albertel 4431:
1.515 albertel 4432: table.LC_prior_tries {
1.524 albertel 4433: border: 1px solid #000000;
4434: border-collapse: separate;
4435: border-spacing: 1px;
1.515 albertel 4436: }
1.523 albertel 4437:
1.515 albertel 4438: table.LC_prior_tries td {
1.524 albertel 4439: padding: 2px;
1.515 albertel 4440: }
1.523 albertel 4441:
4442: .LC_answer_correct {
4443: background: #AAFFAA;
4444: color: black;
4445: }
4446: .LC_answer_charged_try {
4447: background: #FFAAAA ! important;
4448: color: black;
4449: }
4450: .LC_answer_not_charged_try,
4451: .LC_answer_no_grade,
4452: .LC_answer_late {
4453: background: #FFFFAA;
4454: color: black;
4455: }
4456: .LC_answer_previous {
4457: background: #AAAAFF;
4458: color: black;
4459: }
4460: .LC_answer_no_message {
4461: background: #FFFFFF;
4462: color: black;
4463: }
4464: .LC_answer_unknown {
4465: background: orange;
4466: color: black;
4467: }
4468:
4469:
1.529 albertel 4470: span.LC_prior_numerical,
4471: span.LC_prior_string,
4472: span.LC_prior_custom,
4473: span.LC_prior_reaction,
4474: span.LC_prior_math {
1.523 albertel 4475: font-family: monospace;
4476: white-space: pre;
4477: }
4478:
1.525 albertel 4479: span.LC_prior_string {
4480: font-family: monospace;
4481: white-space: pre;
4482: }
4483:
1.523 albertel 4484: table.LC_prior_option {
4485: width: 100%;
4486: border-collapse: collapse;
4487: }
1.528 albertel 4488: table.LC_prior_rank, table.LC_prior_match {
4489: border-collapse: collapse;
4490: }
4491: table.LC_prior_option tr td,
4492: table.LC_prior_rank tr td,
4493: table.LC_prior_match tr td {
1.524 albertel 4494: border: 1px solid #000000;
1.515 albertel 4495: }
4496:
1.519 raeburn 4497: span.LC_nobreak {
1.544 albertel 4498: white-space: nowrap;
1.519 raeburn 4499: }
4500:
1.564.2.8 albertel 4501: span.LC_cusr_emph {
4502: font-style: italic;
4503: }
4504:
1.545 albertel 4505: table.LC_docs_documents {
4506: background: #BBBBBB;
1.547 albertel 4507: border-width: 0px;
1.545 albertel 4508: border-collapse: collapse;
4509: }
4510:
4511: table.LC_docs_documents td.LC_docs_document {
4512: border: 2px solid black;
4513: padding: 4px;
4514: }
4515:
4516: .LC_docs_course_commands div {
4517: float: left;
4518: border: 4px solid #AAAAAA;
4519: padding: 4px;
4520: background: #DDDDCC;
4521: }
4522:
4523: .LC_docs_entry_move {
4524: border: 0px;
4525: border-collapse: collapse;
1.544 albertel 4526: }
4527:
1.545 albertel 4528: .LC_docs_entry_move td {
4529: border: 2px solid #BBBBBB;
4530: background: #DDDDDD;
4531: }
4532:
4533: .LC_docs_editor td.LC_docs_entry_commands {
4534: background: #DDDDDD;
4535: font-size: x-small;
4536: }
1.544 albertel 4537: .LC_docs_copy {
1.545 albertel 4538: color: #000099;
1.544 albertel 4539: }
4540: .LC_docs_cut {
1.545 albertel 4541: color: #550044;
1.544 albertel 4542: }
4543: .LC_docs_rename {
1.545 albertel 4544: color: #009900;
1.544 albertel 4545: }
4546: .LC_docs_remove {
1.545 albertel 4547: color: #990000;
4548: }
4549:
1.547 albertel 4550: .LC_docs_reinit_warn,
4551: .LC_docs_ext_edit {
4552: font-size: x-small;
4553: }
4554:
1.545 albertel 4555: .LC_docs_editor td.LC_docs_entry_title,
4556: .LC_docs_editor td.LC_docs_entry_icon {
4557: background: #FFFFBB;
4558: }
4559: .LC_docs_editor td.LC_docs_entry_parameter {
4560: background: #BBBBFF;
4561: font-size: x-small;
4562: white-space: nowrap;
4563: }
4564:
4565: table.LC_docs_adddocs td,
4566: table.LC_docs_adddocs th {
4567: border: 1px solid #BBBBBB;
4568: padding: 4px;
4569: background: #DDDDDD;
1.543 albertel 4570: }
4571:
1.343 albertel 4572: END
4573: }
4574:
1.306 albertel 4575: =pod
4576:
4577: =item * &headtag()
4578:
4579: Returns a uniform footer for LON-CAPA web pages.
4580:
1.307 albertel 4581: Inputs: $title - optional title for the head
4582: $head_extra - optional extra HTML to put inside the <head>
1.315 albertel 4583: $args - optional arguments
1.319 albertel 4584: force_register - if is true call registerurl so the remote is
4585: informed
1.415 albertel 4586: redirect -> array ref of
4587: 1- seconds before redirect occurs
4588: 2- url to redirect to
4589: 3- whether the side effect should occur
1.315 albertel 4590: (side effect of setting
4591: $env{'internal.head.redirect'} to the url
4592: redirected too)
1.352 albertel 4593: domain -> force to color decorate a page for a specific
4594: domain
4595: function -> force usage of a specific rolish color scheme
4596: bgcolor -> override the default page bgcolor
1.460 albertel 4597: no_auto_mt_title
4598: -> prevent &mt()ing the title arg
1.464 albertel 4599:
1.306 albertel 4600: =cut
4601:
4602: sub headtag {
1.313 albertel 4603: my ($title,$head_extra,$args) = @_;
1.306 albertel 4604:
1.363 albertel 4605: my $function = $args->{'function'} || &get_users_function();
4606: my $domain = $args->{'domain'} || &determinedomain();
4607: my $bgcolor = $args->{'bgcolor'} || &designparm($function.'.pgbg',$domain);
1.418 albertel 4608: my $url = join(':',$env{'user.name'},$env{'user.domain'},
1.458 albertel 4609: $Apache::lonnet::perlvar{'lonVersion'},
1.531 albertel 4610: #time(),
1.418 albertel 4611: $env{'environment.color.timestamp'},
1.363 albertel 4612: $function,$domain,$bgcolor);
4613:
1.369 www 4614: $url = '/adm/css/'.&escape($url).'.css';
1.363 albertel 4615:
1.308 albertel 4616: my $result =
4617: '<head>'.
1.461 albertel 4618: &font_settings();
1.319 albertel 4619:
1.461 albertel 4620: if (!$args->{'frameset'}) {
4621: $result .= &Apache::lonhtmlcommon::htmlareaheaders();
4622: }
1.319 albertel 4623: if ($args->{'force_register'}) {
4624: $result .= &Apache::lonmenu::registerurl(1);
4625: }
1.436 albertel 4626: if (!$args->{'no_nav_bar'}
4627: && !$args->{'only_body'}
4628: && !$args->{'frameset'}) {
4629: $result .= &help_menu_js();
4630: }
1.319 albertel 4631:
1.314 albertel 4632: if (ref($args->{'redirect'})) {
1.414 albertel 4633: my ($time,$url,$inhibit_continue) = @{$args->{'redirect'}};
1.315 albertel 4634: $url = &Apache::lonenc::check_encrypt($url);
1.414 albertel 4635: if (!$inhibit_continue) {
4636: $env{'internal.head.redirect'} = $url;
4637: }
1.313 albertel 4638: $result.=<<ADDMETA
4639: <meta http-equiv="pragma" content="no-cache" />
1.344 albertel 4640: <meta http-equiv="Refresh" content="$time; url=$url" />
1.313 albertel 4641: ADDMETA
4642: }
1.306 albertel 4643: if (!defined($title)) {
4644: $title = 'The LearningOnline Network with CAPA';
4645: }
1.460 albertel 4646: if (!$args->{'no_auto_mt_title'}) { $title = &mt($title); }
4647: $result .= '<title> LON-CAPA '.$title.'</title>'
1.414 albertel 4648: .'<link rel="stylesheet" type="text/css" href="'.$url.'" />'
4649: .$head_extra;
1.306 albertel 4650: return $result;
4651: }
4652:
4653: =pod
4654:
1.340 albertel 4655: =item * &font_settings()
4656:
4657: Returns neccessary <meta> to set the proper encoding
4658:
4659: Inputs: none
4660:
4661: =cut
4662:
4663: sub font_settings {
4664: my $headerstring='';
4665: if (($env{'browser.os'} eq 'mac') && (!$env{'browser.mathml'})) {
4666: $headerstring.=
4667: '<meta Content-Type="text/html; charset=x-mac-roman" />';
4668: } elsif (!$env{'browser.mathml'} && $env{'browser.unicode'}) {
4669: $headerstring.=
4670: '<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />';
4671: }
4672: return $headerstring;
4673: }
4674:
1.341 albertel 4675: =pod
4676:
4677: =item * &xml_begin()
4678:
4679: Returns the needed doctype and <html>
4680:
4681: Inputs: none
4682:
4683: =cut
4684:
4685: sub xml_begin {
4686: my $output='';
4687:
1.564.2.11! albertel 4688: if ($env{'internal.start_page'}==1) {
! 4689: &Apache::lonhtmlcommon::init_htmlareafields();
! 4690: }
1.342 albertel 4691:
1.341 albertel 4692: if ($env{'browser.mathml'}) {
4693: $output='<?xml version="1.0"?>'
4694: #.'<?xml-stylesheet type="text/css" href="/adm/MathML/mathml.css"?>'."\n"
4695: # .'<!DOCTYPE html SYSTEM "/adm/MathML/mathml.dtd" '
4696:
4697: # .'<!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">] >'
4698: .'<!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">'
4699: .'<html xmlns:math="http://www.w3.org/1998/Math/MathML" '
4700: .'xmlns="http://www.w3.org/1999/xhtml">';
4701: } else {
4702: $output='<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html>';
4703: }
4704: return $output;
4705: }
1.340 albertel 4706:
4707: =pod
4708:
1.306 albertel 4709: =item * &endheadtag()
4710:
4711: Returns a uniform </head> for LON-CAPA web pages.
4712:
4713: Inputs: none
4714:
4715: =cut
4716:
4717: sub endheadtag {
4718: return '</head>';
4719: }
4720:
4721: =pod
4722:
4723: =item * &head()
4724:
4725: Returns a uniform complete <head>..</head> section for LON-CAPA web pages.
4726:
4727: Inputs: $title - optional title for the page
1.307 albertel 4728: $head_extra - optional extra HTML to put inside the <head>
1.405 albertel 4729:
1.306 albertel 4730: =cut
4731:
4732: sub head {
1.325 albertel 4733: my ($title,$head_extra,$args) = @_;
4734: return &headtag($title,$head_extra,$args).&endheadtag();
1.306 albertel 4735: }
4736:
4737: =pod
4738:
4739: =item * &start_page()
4740:
4741: Returns a complete <html> .. <body> section for LON-CAPA web pages.
4742:
4743: Inputs: $title - optional title for the page
4744: $head_extra - optional extra HTML to incude inside the <head>
1.315 albertel 4745: $args - additional optional args supported are:
1.317 albertel 4746: only_body -> is true will set &bodytag() onlybodytag
4747: arg on
4748: no_nav_bar -> is true will set &bodytag() notopbar arg on
4749: add_entries -> additional attributes to add to the <body>
4750: domain -> force to color decorate a page for a
4751: specific domain
4752: function -> force usage of a specific rolish color
4753: scheme
4754: redirect -> see &headtag()
4755: bgcolor -> override the default page bg color
4756: js_ready -> return a string ready for being used in
4757: a javascript writeln
1.320 albertel 4758: html_encode -> return a string ready for being used in
4759: a html attribute
1.317 albertel 4760: force_register -> if is true will turn on the &bodytag()
4761: $forcereg arg
1.326 albertel 4762: body_title -> alternate text to use instead of $title
4763: in the title box that appears, this text
4764: is not auto translated like the $title is
1.330 albertel 4765: frameset -> if true will start with a <frameset>
4766: rather than <body>
1.338 albertel 4767: no_title -> if true the title bar won't be shown
4768: skip_phases -> hash ref of
4769: head -> skip the <html><head> generation
4770: body -> skip all <body> generation
1.337 albertel 4771:
1.361 albertel 4772: no_inline_link -> if true and in remote mode, don't show the
4773: 'Switch To Inline Menu' link
4774:
1.460 albertel 4775: no_auto_mt_title -> prevent &mt()ing the title arg
4776:
1.562 albertel 4777: inherit_jsmath -> when creating popup window in a page,
4778: should it have jsmath forced on by the
4779: current page
4780:
1.306 albertel 4781: =cut
4782:
4783: sub start_page {
1.309 albertel 4784: my ($title,$head_extra,$args) = @_;
1.318 albertel 4785: #&Apache::lonnet::logthis("start_page ".join(':',caller(0)));
1.313 albertel 4786: my %head_args;
1.352 albertel 4787: foreach my $arg ('redirect','force_register','domain','function',
1.460 albertel 4788: 'bgcolor','frameset','no_nav_bar','only_body',
4789: 'no_auto_mt_title') {
1.319 albertel 4790: if (defined($args->{$arg})) {
1.324 raeburn 4791: $head_args{$arg} = $args->{$arg};
1.319 albertel 4792: }
1.313 albertel 4793: }
1.319 albertel 4794:
1.315 albertel 4795: $env{'internal.start_page'}++;
1.338 albertel 4796: my $result;
4797: if (! exists($args->{'skip_phases'}{'head'}) ) {
4798: $result.=
1.341 albertel 4799: &xml_begin().
1.338 albertel 4800: &headtag($title,$head_extra,\%head_args).&endheadtag();
4801: }
4802:
4803: if (! exists($args->{'skip_phases'}{'body'}) ) {
4804: if ($args->{'frameset'}) {
4805: my $attr_string = &make_attr_string($args->{'force_register'},
4806: $args->{'add_entries'});
4807: $result .= "\n<frameset $attr_string>\n";
4808: } else {
4809: $result .=
4810: &bodytag($title,
4811: $args->{'function'}, $args->{'add_entries'},
4812: $args->{'only_body'}, $args->{'domain'},
4813: $args->{'force_register'}, $args->{'body_title'},
4814: $args->{'no_nav_bar'}, $args->{'bgcolor'},
1.460 albertel 4815: $args->{'no_title'}, $args->{'no_inline_link'},
4816: $args);
1.338 albertel 4817: }
1.330 albertel 4818: }
1.338 albertel 4819:
1.315 albertel 4820: if ($args->{'js_ready'}) {
1.317 albertel 4821: $result = &js_ready($result);
1.315 albertel 4822: }
1.320 albertel 4823: if ($args->{'html_encode'}) {
4824: $result = &html_encode($result);
4825: }
1.315 albertel 4826: return $result;
1.306 albertel 4827: }
4828:
1.330 albertel 4829:
1.306 albertel 4830: =pod
4831:
4832: =item * &head()
4833:
4834: Returns a complete </body></html> section for LON-CAPA web pages.
4835:
1.315 albertel 4836: Inputs: $args - additional optional args supported are:
4837: js_ready -> return a string ready for being used in
4838: a javascript writeln
1.320 albertel 4839: html_encode -> return a string ready for being used in
4840: a html attribute
1.330 albertel 4841: frameset -> if true will start with a <frameset>
4842: rather than <body>
1.493 albertel 4843: dicsussion -> if true will get discussion from
4844: lonxml::xmlend
4845: (you can pass the target and parser arguments
4846: through optional 'target' and 'parser' args
4847: to this routine)
1.306 albertel 4848:
4849: =cut
4850:
4851: sub end_page {
1.315 albertel 4852: my ($args) = @_;
4853: $env{'internal.end_page'}++;
1.330 albertel 4854: my $result;
1.335 albertel 4855: if ($args->{'discussion'}) {
4856: my ($target,$parser);
4857: if (ref($args->{'discussion'})) {
4858: ($target,$parser) =($args->{'discussion'}{'target'},
4859: $args->{'discussion'}{'parser'});
4860: }
4861: $result .= &Apache::lonxml::xmlend($target,$parser);
4862: }
4863:
1.330 albertel 4864: if ($args->{'frameset'}) {
4865: $result .= '</frameset>';
4866: } else {
4867: $result .= &endbodytag();
4868: }
4869: $result .= "\n</html>";
4870:
1.315 albertel 4871: if ($args->{'js_ready'}) {
1.317 albertel 4872: $result = &js_ready($result);
1.315 albertel 4873: }
1.335 albertel 4874:
1.320 albertel 4875: if ($args->{'html_encode'}) {
4876: $result = &html_encode($result);
4877: }
1.335 albertel 4878:
1.315 albertel 4879: return $result;
4880: }
4881:
1.320 albertel 4882: sub html_encode {
4883: my ($result) = @_;
4884:
1.322 albertel 4885: $result = &HTML::Entities::encode($result,'<>&"');
1.320 albertel 4886:
4887: return $result;
4888: }
1.317 albertel 4889: sub js_ready {
4890: my ($result) = @_;
4891:
1.323 albertel 4892: $result =~ s/[\n\r]/ /xmsg;
4893: $result =~ s/\\/\\\\/xmsg;
4894: $result =~ s/'/\\'/xmsg;
1.372 albertel 4895: $result =~ s{</}{<\\/}xmsg;
1.317 albertel 4896:
4897: return $result;
4898: }
4899:
1.315 albertel 4900: sub validate_page {
4901: if ( exists($env{'internal.start_page'})
1.316 albertel 4902: && $env{'internal.start_page'} > 1) {
4903: &Apache::lonnet::logthis('start_page called multiple times '.
1.318 albertel 4904: $env{'internal.start_page'}.' '.
1.316 albertel 4905: $ENV{'request.filename'});
1.315 albertel 4906: }
4907: if ( exists($env{'internal.end_page'})
1.316 albertel 4908: && $env{'internal.end_page'} > 1) {
4909: &Apache::lonnet::logthis('end_page called multiple times '.
1.318 albertel 4910: $env{'internal.end_page'}.' '.
1.316 albertel 4911: $env{'request.filename'});
1.315 albertel 4912: }
4913: if ( exists($env{'internal.start_page'})
4914: && ! exists($env{'internal.end_page'})) {
1.316 albertel 4915: &Apache::lonnet::logthis('start_page called without end_page '.
4916: $env{'request.filename'});
1.315 albertel 4917: }
4918: if ( ! exists($env{'internal.start_page'})
4919: && exists($env{'internal.end_page'})) {
1.316 albertel 4920: &Apache::lonnet::logthis('end_page called without start_page'.
4921: $env{'request.filename'});
1.315 albertel 4922: }
1.306 albertel 4923: }
1.315 albertel 4924:
1.318 albertel 4925: sub simple_error_page {
4926: my ($r,$title,$msg) = @_;
4927: my $page =
4928: &Apache::loncommon::start_page($title).
4929: &mt($msg).
4930: &Apache::loncommon::end_page();
4931: if (ref($r)) {
4932: $r->print($page);
1.327 albertel 4933: return;
1.318 albertel 4934: }
4935: return $page;
4936: }
1.347 albertel 4937:
4938: {
4939: my $row_count;
4940: sub start_data_table {
1.422 albertel 4941: my ($add_class) = @_;
4942: my $css_class = (join(' ','LC_data_table',$add_class));
1.347 albertel 4943: undef($row_count);
1.422 albertel 4944: return '<table class="'.$css_class.'">'."\n";
1.347 albertel 4945: }
4946:
4947: sub end_data_table {
4948: undef($row_count);
1.389 albertel 4949: return '</table>'."\n";;
1.347 albertel 4950: }
4951:
4952: sub start_data_table_row {
1.422 albertel 4953: my ($add_class) = @_;
1.347 albertel 4954: $row_count++;
1.422 albertel 4955: my $css_class = ($row_count % 2)?'':'LC_even_row';
1.428 albertel 4956: $css_class = (join(' ',$css_class,$add_class));
1.422 albertel 4957: return '<tr class="'.$css_class.'">'."\n";;
1.347 albertel 4958: }
1.471 banghart 4959:
4960: sub continue_data_table_row {
4961: my ($add_class) = @_;
4962: my $css_class = ($row_count % 2)?'':'LC_even_row';
4963: $css_class = (join(' ',$css_class,$add_class));
4964: return '<tr class="'.$css_class.'">'."\n";;
4965: }
1.347 albertel 4966:
4967: sub end_data_table_row {
1.389 albertel 4968: return '</tr>'."\n";;
1.347 albertel 4969: }
1.367 www 4970:
1.421 albertel 4971: sub start_data_table_empty_row {
4972: $row_count++;
4973: return '<tr class="LC_empty_row" >'."\n";;
4974: }
4975:
4976: sub end_data_table_empty_row {
4977: return '</tr>'."\n";;
4978: }
4979:
1.367 www 4980: sub start_data_table_header_row {
1.389 albertel 4981: return '<tr class="LC_header_row">'."\n";;
1.367 www 4982: }
4983:
4984: sub end_data_table_header_row {
1.389 albertel 4985: return '</tr>'."\n";;
1.367 www 4986: }
1.347 albertel 4987: }
4988:
1.548 albertel 4989: =pod
4990:
4991: =item * &inhibit_menu_check($arg)
4992:
4993: Checks for a inhibitmenu state and generates output to preserve it
4994:
4995: Inputs: $arg - can be any of
4996: - undef - in which case the return value is a string
4997: to add into arguments list of a uri
4998: - 'input' - in which case the return value is a HTML
4999: <form> <input> field of type hidden to
5000: preserve the value
5001: - a url - in which case the return value is the url with
5002: the neccesary cgi args added to preserve the
5003: inhibitmenu state
5004: - a ref to a url - no return value, but the string is
5005: updated to include the neccessary cgi
5006: args to preserve the inhibitmenu state
5007:
5008: =cut
5009:
5010: sub inhibit_menu_check {
5011: my ($arg) = @_;
5012: &get_unprocessed_cgi($ENV{'QUERY_STRING'}, ['inhibitmenu']);
5013: if ($arg eq 'input') {
5014: if ($env{'form.inhibitmenu'}) {
5015: return '<input type="hidden" name="inhibitmenu" value="'.$env{'form.inhibitmenu'}.'" />';
5016: } else {
5017: return
5018: }
5019: }
5020: if ($env{'form.inhibitmenu'}) {
5021: if (ref($arg)) {
5022: $$arg .= '?inhibitmenu='.$env{'form.inhibitmenu'};
5023: } elsif ($arg eq '') {
5024: $arg .= 'inhibitmenu='.$env{'form.inhibitmenu'};
5025: } else {
5026: $arg .= '?inhibitmenu='.$env{'form.inhibitmenu'};
5027: }
5028: }
5029: if (!ref($arg)) {
5030: return $arg;
5031: }
5032: }
5033:
1.251 albertel 5034: ###############################################
1.182 matthew 5035:
5036: =pod
5037:
1.549 albertel 5038: =back
5039:
5040: =head1 User Information Routines
5041:
5042: =over 4
5043:
1.405 albertel 5044: =item * &get_users_function()
1.182 matthew 5045:
5046: Used by &bodytag to determine the current users primary role.
5047: Returns either 'student','coordinator','admin', or 'author'.
5048:
5049: =cut
5050:
5051: ###############################################
5052: sub get_users_function {
5053: my $function = 'student';
1.258 albertel 5054: if ($env{'request.role'}=~/^(cc|in|ta|ep)/) {
1.182 matthew 5055: $function='coordinator';
5056: }
1.258 albertel 5057: if ($env{'request.role'}=~/^(su|dc|ad|li)/) {
1.182 matthew 5058: $function='admin';
5059: }
1.258 albertel 5060: if (($env{'request.role'}=~/^(au|ca)/) ||
1.182 matthew 5061: ($ENV{'REQUEST_URI'}=~/^(\/priv|\~)/)) {
5062: $function='author';
5063: }
5064: return $function;
1.54 www 5065: }
1.99 www 5066:
5067: ###############################################
5068:
1.233 raeburn 5069: =pod
5070:
1.542 raeburn 5071: =item * &check_user_status()
1.274 raeburn 5072:
5073: Determines current status of supplied role for a
5074: specific user. Roles can be active, previous or future.
5075:
5076: Inputs:
5077: user's domain, user's username, course's domain,
1.375 raeburn 5078: course's number, optional section ID.
1.274 raeburn 5079:
5080: Outputs:
5081: role status: active, previous or future.
5082:
5083: =cut
5084:
5085: sub check_user_status {
1.412 raeburn 5086: my ($udom,$uname,$cdom,$crs,$role,$sec) = @_;
1.274 raeburn 5087: my %userinfo = &Apache::lonnet::dump('roles',$udom,$uname);
5088: my @uroles = keys %userinfo;
5089: my $srchstr;
5090: my $active_chk = 'none';
1.412 raeburn 5091: my $now = time;
1.274 raeburn 5092: if (@uroles > 0) {
1.412 raeburn 5093: if (($role eq 'cc') || ($sec eq '') || (!defined($sec))) {
1.274 raeburn 5094: $srchstr = '/'.$cdom.'/'.$crs.'_'.$role;
5095: } else {
1.412 raeburn 5096: $srchstr = '/'.$cdom.'/'.$crs.'/'.$sec.'_'.$role;
5097: }
5098: if (grep/^\Q$srchstr\E$/,@uroles) {
1.274 raeburn 5099: my $role_end = 0;
5100: my $role_start = 0;
5101: $active_chk = 'active';
1.412 raeburn 5102: if ($userinfo{$srchstr} =~ m/^\Q$role\E_(\d+)/) {
5103: $role_end = $1;
5104: if ($userinfo{$srchstr} =~ m/^\Q$role\E_\Q$role_end\E_(\d+)$/) {
5105: $role_start = $1;
1.274 raeburn 5106: }
5107: }
5108: if ($role_start > 0) {
1.412 raeburn 5109: if ($now < $role_start) {
1.274 raeburn 5110: $active_chk = 'future';
5111: }
5112: }
5113: if ($role_end > 0) {
1.412 raeburn 5114: if ($now > $role_end) {
1.274 raeburn 5115: $active_chk = 'previous';
5116: }
5117: }
5118: }
5119: }
5120: return $active_chk;
5121: }
5122:
5123: ###############################################
5124:
5125: =pod
5126:
1.405 albertel 5127: =item * &get_sections()
1.233 raeburn 5128:
5129: Determines all the sections for a course including
5130: sections with students and sections containing other roles.
1.419 raeburn 5131: Incoming parameters:
5132:
5133: 1. domain
5134: 2. course number
5135: 3. reference to array containing roles for which sections should
5136: be gathered (optional).
5137: 4. reference to array containing status types for which sections
5138: should be gathered (optional).
5139:
5140: If the third argument is undefined, sections are gathered for any role.
5141: If the fourth argument is undefined, sections are gathered for any status.
5142: Permissible values are 'active' or 'future' or 'previous'.
1.233 raeburn 5143:
1.374 raeburn 5144: Returns section hash (keys are section IDs, values are
5145: number of users in each section), subject to the
1.419 raeburn 5146: optional roles filter, optional status filter
1.233 raeburn 5147:
5148: =cut
5149:
5150: ###############################################
5151: sub get_sections {
1.419 raeburn 5152: my ($cdom,$cnum,$possible_roles,$possible_status) = @_;
1.366 albertel 5153: if (!defined($cdom) || !defined($cnum)) {
5154: my $cid = $env{'request.course.id'};
5155:
5156: return if (!defined($cid));
5157:
5158: $cdom = $env{'course.'.$cid.'.domain'};
5159: $cnum = $env{'course.'.$cid.'.num'};
5160: }
5161:
5162: my %sectioncount;
1.419 raeburn 5163: my $now = time;
1.240 albertel 5164:
1.366 albertel 5165: if (!defined($possible_roles) || (grep(/^st$/,@$possible_roles))) {
1.276 albertel 5166: my ($classlist) = &Apache::loncoursedata::get_classlist($cdom,$cnum);
1.240 albertel 5167: my $sec_index = &Apache::loncoursedata::CL_SECTION();
5168: my $status_index = &Apache::loncoursedata::CL_STATUS();
1.419 raeburn 5169: my $start_index = &Apache::loncoursedata::CL_START();
5170: my $end_index = &Apache::loncoursedata::CL_END();
5171: my $status;
1.366 albertel 5172: while (my ($student,$data) = each(%$classlist)) {
1.419 raeburn 5173: my ($section,$stu_status,$start,$end) = ($data->[$sec_index],
5174: $data->[$status_index],
5175: $data->[$start_index],
5176: $data->[$end_index]);
5177: if ($stu_status eq 'Active') {
5178: $status = 'active';
5179: } elsif ($end < $now) {
5180: $status = 'previous';
5181: } elsif ($start > $now) {
5182: $status = 'future';
5183: }
5184: if ($section ne '-1' && $section !~ /^\s*$/) {
5185: if ((!defined($possible_status)) || (($status ne '') &&
5186: (grep/^\Q$status\E$/,@{$possible_status}))) {
5187: $sectioncount{$section}++;
5188: }
1.240 albertel 5189: }
5190: }
5191: }
5192: my %courseroles = &Apache::lonnet::dump('nohist_userroles',$cdom,$cnum);
5193: foreach my $user (sort(keys(%courseroles))) {
5194: if ($user !~ /^(\w{2})/) { next; }
5195: my ($role) = ($user =~ /^(\w{2})/);
5196: if ($possible_roles && !(grep(/^$role$/,@$possible_roles))) { next; }
1.419 raeburn 5197: my ($section,$status);
1.240 albertel 5198: if ($role eq 'cr' &&
5199: $user =~ m-^$role/[^/]*/[^/]*/[^/]*:[^:]*:[^:]*:(\w+)-) {
5200: $section=$1;
5201: }
5202: if ($user =~ /^$role:[^:]*:[^:]*:(\w+)/) { $section=$1; }
5203: if (!defined($section) || $section eq '-1') { next; }
1.419 raeburn 5204: my ($end,$start) = ($courseroles{$user} =~ /^([^:]*):([^:]*)$/);
5205: if ($end == -1 && $start == -1) {
5206: next; #deleted role
5207: }
5208: if (!defined($possible_status)) {
5209: $sectioncount{$section}++;
5210: } else {
5211: if ((!$end || $end >= $now) && (!$start || $start <= $now)) {
5212: $status = 'active';
5213: } elsif ($end < $now) {
5214: $status = 'future';
5215: } elsif ($start > $now) {
5216: $status = 'previous';
5217: }
5218: if (($status ne '') && (grep/^\Q$status\E$/,@{$possible_status})) {
5219: $sectioncount{$section}++;
5220: }
5221: }
1.233 raeburn 5222: }
1.366 albertel 5223: return %sectioncount;
1.233 raeburn 5224: }
5225:
1.274 raeburn 5226: ###############################################
1.294 raeburn 5227:
5228: =pod
1.405 albertel 5229:
5230: =item * &get_course_users()
5231:
1.275 raeburn 5232: Retrieves usernames:domains for users in the specified course
5233: with specific role(s), and access status.
5234:
5235: Incoming parameters:
1.277 albertel 5236: 1. course domain
5237: 2. course number
5238: 3. access status: users must have - either active,
1.275 raeburn 5239: previous, future, or all.
1.277 albertel 5240: 4. reference to array of permissible roles
1.288 raeburn 5241: 5. reference to array of section restrictions (optional)
5242: 6. reference to results object (hash of hashes).
5243: 7. reference to optional userdata hash
1.275 raeburn 5244: Keys of top level hash are roles.
5245: Keys of inner hashes are username:domain, with
5246: values set to access type.
1.288 raeburn 5247: Optional userdata hash returns an array with arguments in the
5248: same order as loncoursedata::get_classlist() for student data.
5249:
5250: Entries for end, start, section and status are blank because
5251: of the possibility of multiple values for non-student roles.
5252:
1.275 raeburn 5253: =cut
1.405 albertel 5254:
1.275 raeburn 5255: ###############################################
1.405 albertel 5256:
1.275 raeburn 5257: sub get_course_users {
1.288 raeburn 5258: my ($cdom,$cnum,$types,$roles,$sections,$users,$userdata) = @_;
5259: my %idx = ();
1.419 raeburn 5260: my %seclists;
1.288 raeburn 5261:
5262: $idx{udom} = &Apache::loncoursedata::CL_SDOM();
5263: $idx{uname} = &Apache::loncoursedata::CL_SNAME();
5264: $idx{end} = &Apache::loncoursedata::CL_END();
5265: $idx{start} = &Apache::loncoursedata::CL_START();
5266: $idx{id} = &Apache::loncoursedata::CL_ID();
5267: $idx{section} = &Apache::loncoursedata::CL_SECTION();
5268: $idx{fullname} = &Apache::loncoursedata::CL_FULLNAME();
5269: $idx{status} = &Apache::loncoursedata::CL_STATUS();
5270:
1.290 albertel 5271: if (grep(/^st$/,@{$roles})) {
1.276 albertel 5272: my ($classlist,$keylist)=&Apache::loncoursedata::get_classlist($cdom,$cnum);
1.278 raeburn 5273: my $now = time;
1.277 albertel 5274: foreach my $student (keys(%{$classlist})) {
1.288 raeburn 5275: my $match = 0;
1.412 raeburn 5276: my $secmatch = 0;
1.419 raeburn 5277: my $section = $$classlist{$student}[$idx{section}];
5278: if ($section eq '') {
5279: $section = 'none';
5280: }
1.291 albertel 5281: if ((ref($sections) eq 'ARRAY') && (@{$sections} > 0)) {
1.420 albertel 5282: if (grep(/^all$/,@{$sections})) {
1.412 raeburn 5283: $secmatch = 1;
5284: } elsif ($$classlist{$student}[$idx{section}] eq '') {
1.420 albertel 5285: if (grep(/^none$/,@{$sections})) {
1.412 raeburn 5286: $secmatch = 1;
5287: }
5288: } else {
1.419 raeburn 5289: if (grep(/^\Q$section\E$/,@{$sections})) {
1.412 raeburn 5290: $secmatch = 1;
5291: }
1.290 albertel 5292: }
1.412 raeburn 5293: if (!$secmatch) {
5294: next;
5295: }
1.419 raeburn 5296: }
1.420 albertel 5297: push(@{$seclists{$student}},$section);
1.275 raeburn 5298: if (defined($$types{'active'})) {
1.288 raeburn 5299: if ($$classlist{$student}[$idx{status}] eq 'Active') {
1.275 raeburn 5300: push(@{$$users{st}{$student}},'active');
1.288 raeburn 5301: $match = 1;
1.275 raeburn 5302: }
5303: }
5304: if (defined($$types{'previous'})) {
1.288 raeburn 5305: if ($$classlist{$student}[$idx{end}] <= $now) {
1.275 raeburn 5306: push(@{$$users{st}{$student}},'previous');
1.288 raeburn 5307: $match = 1;
1.275 raeburn 5308: }
5309: }
5310: if (defined($$types{'future'})) {
1.288 raeburn 5311: if (($$classlist{$student}[$idx{start}] > $now) && ($$classlist{$student}[$idx{end}] > $now) || ($$classlist{$student}[$idx{end}] == 0) || ($$classlist{$student}[$idx{end}] eq '')) {
1.275 raeburn 5312: push(@{$$users{st}{$student}},'future');
1.288 raeburn 5313: $match = 1;
1.275 raeburn 5314: }
5315: }
1.412 raeburn 5316: if ($match && ref($userdata) eq 'HASH') {
1.288 raeburn 5317: $$userdata{$student} = $$classlist{$student};
5318: }
1.275 raeburn 5319: }
5320: }
1.412 raeburn 5321: if ((@{$roles} > 1) || ((@{$roles} == 1) && ($$roles[0] ne "st"))) {
1.439 raeburn 5322: my %coursepersonnel = &Apache::lonnet::dump('nohist_userroles',$cdom,$cnum);
5323: my $now = time;
5324: foreach my $person (sort(keys(%coursepersonnel))) {
1.288 raeburn 5325: my $match = 0;
1.412 raeburn 5326: my $secmatch = 0;
1.439 raeburn 5327: my $status;
1.412 raeburn 5328: my ($role,$user,$usec) = ($person =~ /^([^:]*):([^:]+:[^:]+):([^:]*)/);
1.275 raeburn 5329: $user =~ s/:$//;
1.439 raeburn 5330: my ($end,$start) = split(/:/,$coursepersonnel{$person});
5331: if ($end == -1 || $start == -1) {
5332: next;
5333: }
5334: if (($role) && ((grep(/^\Q$role\E$/,@{$roles})) ||
5335: (grep(/^cr$/,@{$roles}) && $role =~ /^cr\//))) {
1.412 raeburn 5336: my ($uname,$udom) = split(/:/,$user);
5337: if ((ref($sections) eq 'ARRAY') && (@{$sections} > 0)) {
1.420 albertel 5338: if (grep(/^all$/,@{$sections})) {
1.412 raeburn 5339: $secmatch = 1;
5340: } elsif ($usec eq '') {
1.420 albertel 5341: if (grep(/^none$/,@{$sections})) {
1.412 raeburn 5342: $secmatch = 1;
5343: }
5344: } else {
5345: if (grep(/^\Q$usec\E$/,@{$sections})) {
5346: $secmatch = 1;
5347: }
5348: }
5349: if (!$secmatch) {
5350: next;
5351: }
1.288 raeburn 5352: }
1.419 raeburn 5353: if ($usec eq '') {
5354: $usec = 'none';
5355: }
1.275 raeburn 5356: if ($uname ne '' && $udom ne '') {
1.503 raeburn 5357: if ($end > 0 && $end < $now) {
1.439 raeburn 5358: $status = 'previous';
5359: } elsif ($start > $now) {
5360: $status = 'future';
5361: } else {
5362: $status = 'active';
5363: }
1.277 albertel 5364: foreach my $type (keys(%{$types})) {
1.275 raeburn 5365: if ($status eq $type) {
1.420 albertel 5366: if (!grep(/^\Q$type\E$/,@{$$users{$role}{$user}})) {
1.419 raeburn 5367: push(@{$$users{$role}{$user}},$type);
5368: }
1.288 raeburn 5369: $match = 1;
5370: }
5371: }
1.419 raeburn 5372: if (($match) && (ref($userdata) eq 'HASH')) {
5373: if (!exists($$userdata{$uname.':'.$udom})) {
5374: &get_user_info($udom,$uname,\%idx,$userdata);
5375: }
1.420 albertel 5376: if (!grep(/^\Q$usec\E$/,@{$seclists{$uname.':'.$udom}})) {
1.419 raeburn 5377: push(@{$seclists{$uname.':'.$udom}},$usec);
5378: }
1.275 raeburn 5379: }
5380: }
5381: }
5382: }
1.290 albertel 5383: if (grep(/^ow$/,@{$roles})) {
1.279 raeburn 5384: if ((defined($cdom)) && (defined($cnum))) {
5385: my %csettings = &Apache::lonnet::get('environment',['internal.courseowner'],$cdom,$cnum);
5386: if ( defined($csettings{'internal.courseowner'}) ) {
5387: my $owner = $csettings{'internal.courseowner'};
1.439 raeburn 5388: if ($owner !~ /^[^:]+:[^:]+$/) {
5389: $owner = $owner.':'.$cdom;
5390: }
5391: @{$$users{'ow'}{$owner}} = 'any';
1.290 albertel 5392: if (defined($userdata) &&
5393: !exists($$userdata{$owner.':'.$cdom})) {
5394: &get_user_info($cdom,$owner,\%idx,$userdata);
1.420 albertel 5395: if (!grep(/^none$/,@{$seclists{$owner.':'.$cdom}})) {
1.419 raeburn 5396: push(@{$seclists{$owner.':'.$cdom}},'none');
5397: }
1.290 albertel 5398: }
1.279 raeburn 5399: }
5400: }
5401: }
1.419 raeburn 5402: foreach my $user (keys(%seclists)) {
5403: @{$seclists{$user}} = (sort {$a <=> $b} @{$seclists{$user}});
5404: $$userdata{$user}[$idx{section}] = join(',',@{$seclists{$user}});
5405: }
1.275 raeburn 5406: }
5407: return;
5408: }
5409:
1.288 raeburn 5410: sub get_user_info {
5411: my ($udom,$uname,$idx,$userdata) = @_;
1.289 albertel 5412: $$userdata{$uname.':'.$udom}[$$idx{fullname}] =
5413: &plainname($uname,$udom,'lastname');
1.291 albertel 5414: $$userdata{$uname.':'.$udom}[$$idx{uname}] = $uname;
1.297 raeburn 5415: $$userdata{$uname.':'.$udom}[$$idx{udom}] = $udom;
1.288 raeburn 5416: return;
5417: }
1.275 raeburn 5418:
1.472 raeburn 5419: ###############################################
5420:
5421: =pod
5422:
5423: =item * &get_user_quota()
5424:
5425: Retrieves quota assigned for storage of portfolio files for a user
5426:
5427: Incoming parameters:
5428: 1. user's username
5429: 2. user's domain
5430:
5431: Returns:
1.536 raeburn 5432: 1. Disk quota (in Mb) assigned to student.
5433: 2. (Optional) Type of setting: custom or default
5434: (individually assigned or default for user's
5435: institutional status).
5436: 3. (Optional) - User's institutional status (e.g., faculty, staff
5437: or student - types as defined in localenroll::inst_usertypes
5438: for user's domain, which determines default quota for user.
5439: 4. (Optional) - Default quota which would apply to the user.
1.472 raeburn 5440:
5441: If a value has been stored in the user's environment,
1.536 raeburn 5442: it will return that, otherwise it returns the maximal default
5443: defined for the user's instituional status(es) in the domain.
1.472 raeburn 5444:
5445: =cut
5446:
5447: ###############################################
5448:
5449:
5450: sub get_user_quota {
5451: my ($uname,$udom) = @_;
1.536 raeburn 5452: my ($quota,$quotatype,$settingstatus,$defquota);
1.472 raeburn 5453: if (!defined($udom)) {
5454: $udom = $env{'user.domain'};
5455: }
5456: if (!defined($uname)) {
5457: $uname = $env{'user.name'};
5458: }
5459: if (($udom eq '' || $uname eq '') ||
5460: ($udom eq 'public') && ($uname eq 'public')) {
5461: $quota = 0;
1.536 raeburn 5462: $quotatype = 'default';
5463: $defquota = 0;
1.472 raeburn 5464: } else {
1.536 raeburn 5465: my $inststatus;
1.472 raeburn 5466: if ($udom eq $env{'user.domain'} && $uname eq $env{'user.name'}) {
5467: $quota = $env{'environment.portfolioquota'};
1.536 raeburn 5468: $inststatus = $env{'environment.inststatus'};
1.472 raeburn 5469: } else {
1.536 raeburn 5470: my %userenv =
5471: &Apache::lonnet::get('environment',['portfolioquota',
5472: 'inststatus'],$udom,$uname);
1.472 raeburn 5473: my ($tmp) = keys(%userenv);
5474: if ($tmp !~ /^(con_lost|error|no_such_host)/i) {
5475: $quota = $userenv{'portfolioquota'};
1.536 raeburn 5476: $inststatus = $userenv{'inststatus'};
1.472 raeburn 5477: } else {
5478: undef(%userenv);
5479: }
5480: }
1.536 raeburn 5481: ($defquota,$settingstatus) = &default_quota($udom,$inststatus);
1.472 raeburn 5482: if ($quota eq '') {
1.536 raeburn 5483: $quota = $defquota;
5484: $quotatype = 'default';
5485: } else {
5486: $quotatype = 'custom';
1.472 raeburn 5487: }
5488: }
1.536 raeburn 5489: if (wantarray) {
5490: return ($quota,$quotatype,$settingstatus,$defquota);
5491: } else {
5492: return $quota;
5493: }
1.472 raeburn 5494: }
5495:
5496: ###############################################
5497:
5498: =pod
5499:
5500: =item * &default_quota()
5501:
1.536 raeburn 5502: Retrieves default quota assigned for storage of user portfolio files,
5503: given an (optional) user's institutional status.
1.472 raeburn 5504:
5505: Incoming parameters:
5506: 1. domain
1.536 raeburn 5507: 2. (Optional) institutional status(es). This is a : separated list of
5508: status types (e.g., faculty, staff, student etc.)
5509: which apply to the user for whom the default is being retrieved.
5510: If the institutional status string in undefined, the domain
5511: default quota will be returned.
1.472 raeburn 5512:
5513: Returns:
5514: 1. Default disk quota (in Mb) for user portfolios in the domain.
1.536 raeburn 5515: 2. (Optional) institutional type which determined the value of the
5516: default quota.
1.472 raeburn 5517:
5518: If a value has been stored in the domain's configuration db,
5519: it will return that, otherwise it returns 20 (for backwards
5520: compatibility with domains which have not set up a configuration
5521: db file; the original statically defined portfolio quota was 20 Mb).
5522:
1.536 raeburn 5523: If the user's status includes multiple types (e.g., staff and student),
5524: the largest default quota which applies to the user determines the
5525: default quota returned.
5526:
1.472 raeburn 5527: =cut
5528:
5529: ###############################################
5530:
5531:
5532: sub default_quota {
1.536 raeburn 5533: my ($udom,$inststatus) = @_;
5534: my ($defquota,$settingstatus);
5535: my %quotahash = &Apache::lonnet::get_dom('configuration',
5536: ['quota'],$udom);
5537: if (ref($quotahash{'quota'}) eq 'HASH') {
5538: if ($inststatus ne '') {
5539: my @statuses = split(/:/,$inststatus);
5540: foreach my $item (@statuses) {
5541: if ($quotahash{'quota'}{$item} ne '') {
5542: if ($defquota eq '') {
5543: $defquota = $quotahash{'quota'}{$item};
5544: $settingstatus = $item;
5545: } elsif ($quotahash{'quota'}{$item} > $defquota) {
5546: $defquota = $quotahash{'quota'}{$item};
5547: $settingstatus = $item;
5548: }
5549: }
5550: }
5551: }
5552: if ($defquota eq '') {
5553: $defquota = $quotahash{'quota'}{'default'};
5554: $settingstatus = 'default';
5555: }
5556: } else {
5557: $settingstatus = 'default';
5558: $defquota = 20;
5559: }
5560: if (wantarray) {
5561: return ($defquota,$settingstatus);
1.472 raeburn 5562: } else {
1.536 raeburn 5563: return $defquota;
1.472 raeburn 5564: }
5565: }
5566:
1.384 raeburn 5567: sub get_secgrprole_info {
5568: my ($cdom,$cnum,$needroles,$type) = @_;
5569: my %sections_count = &get_sections($cdom,$cnum);
5570: my @sections = (sort {$a <=> $b} keys(%sections_count));
5571: my %curr_groups = &Apache::longroup::coursegroups($cdom,$cnum);
5572: my @groups = sort(keys(%curr_groups));
5573: my $allroles = [];
5574: my $rolehash;
5575: my $accesshash = {
5576: active => 'Currently has access',
5577: future => 'Will have future access',
5578: previous => 'Previously had access',
5579: };
5580: if ($needroles) {
5581: $rolehash = {'all' => 'all'};
1.385 albertel 5582: my %user_roles = &Apache::lonnet::dump('nohist_userroles',$cdom,$cnum);
5583: if (&Apache::lonnet::error(%user_roles)) {
5584: undef(%user_roles);
5585: }
5586: foreach my $item (keys(%user_roles)) {
1.384 raeburn 5587: my ($role)=split(/\:/,$item,2);
5588: if ($role eq 'cr') { next; }
5589: if ($role =~ /^cr/) {
5590: $$rolehash{$role} = (split('/',$role))[3];
5591: } else {
5592: $$rolehash{$role} = &Apache::lonnet::plaintext($role,$type);
5593: }
5594: }
5595: foreach my $key (sort(keys(%{$rolehash}))) {
5596: push(@{$allroles},$key);
5597: }
5598: push (@{$allroles},'st');
5599: $$rolehash{'st'} = &Apache::lonnet::plaintext('st',$type);
5600: }
5601: return (\@sections,\@groups,$allroles,$rolehash,$accesshash);
5602: }
5603:
1.555 raeburn 5604: sub user_picker {
1.564.2.6 albertel 5605: my ($dom,$srch,$forcenewuser,$caller) = @_;
1.555 raeburn 5606: my $currdom = $dom;
5607: my %curr_selected = (
5608: srchin => 'dom',
1.564.2.10 albertel 5609: srchby => 'lastname',
1.555 raeburn 5610: );
5611: my $srchterm;
5612: if (ref($srch) eq 'HASH') {
5613: if ($srch->{'srchby'} ne '') {
5614: $curr_selected{'srchby'} = $srch->{'srchby'};
5615: }
5616: if ($srch->{'srchin'} ne '') {
5617: $curr_selected{'srchin'} = $srch->{'srchin'};
5618: }
5619: if ($srch->{'srchtype'} ne '') {
5620: $curr_selected{'srchtype'} = $srch->{'srchtype'};
5621: }
5622: if ($srch->{'srchdomain'} ne '') {
5623: $currdom = $srch->{'srchdomain'};
5624: }
5625: $srchterm = $srch->{'srchterm'};
5626: }
5627: my %lt=&Apache::lonlocal::texthash(
1.564.2.7 albertel 5628: 'usr' => 'Search criteria',
1.563 raeburn 5629: 'doma' => 'Domain/institution to search',
1.558 albertel 5630: 'uname' => 'username',
5631: 'lastname' => 'last name',
1.555 raeburn 5632: 'lastfirst' => 'last name, first name',
1.558 albertel 5633: 'crs' => 'in this course',
1.564.2.8 albertel 5634: 'dom' => 'in selected LON-CAPA domain',
1.558 albertel 5635: 'alc' => 'all LON-CAPA',
1.564.2.7 albertel 5636: 'instd' => 'in institutional directory for selected domain',
1.558 albertel 5637: 'exact' => 'is',
5638: 'contains' => 'contains',
1.564.2.5 albertel 5639: 'begins' => 'begins with',
1.564.2.6 albertel 5640: 'youm' => "You must include some text to search for.",
5641: 'thte' => "The text you are searching for must contain at least two characters when using a 'begins' type search.",
5642: 'thet' => "The text you are searching for must contain at least three characters when using a 'contains' type search.",
5643: 'yomc' => "You must choose a domain when using an institutional directory search.",
5644: 'ymcd' => "You must choose a domain when using a domain search.",
5645: 'whus' => "When using searching by last,first you must include a comma as separator between last name and first name.",
5646: 'whse' => "When searching by last,first you must include at least one character in the first name.",
5647: 'thfo' => "The following need to be corrected before the search can be run:",
1.555 raeburn 5648: );
1.563 raeburn 5649: my $domform = &select_dom_form($currdom,'srchdomain',1,1);
5650: my $srchinsel = ' <select name="srchin">';
1.555 raeburn 5651:
5652: my @srchins = ('crs','dom','alc','instd');
5653:
5654: foreach my $option (@srchins) {
5655: # FIXME 'alc' option unavailable until
5656: # loncreateuser::print_user_query_page()
5657: # has been completed.
5658: next if ($option eq 'alc');
5659: next if ($option eq 'crs' && !$env{'request.course.id'});
1.563 raeburn 5660: if ($curr_selected{'srchin'} eq $option) {
5661: $srchinsel .= '
5662: <option value="'.$option.'" selected="selected">'.$lt{$option}.'</option>';
5663: } else {
5664: $srchinsel .= '
5665: <option value="'.$option.'">'.$lt{$option}.'</option>';
5666: }
1.555 raeburn 5667: }
1.563 raeburn 5668: $srchinsel .= "\n </select>\n";
1.555 raeburn 5669:
5670: my $srchbysel = ' <select name="srchby">';
1.564.2.10 albertel 5671: foreach my $option ('lastname','lastfirst','uname') {
1.555 raeburn 5672: if ($curr_selected{'srchby'} eq $option) {
5673: $srchbysel .= '
5674: <option value="'.$option.'" selected="selected">'.$lt{$option}.'</option>';
5675: } else {
5676: $srchbysel .= '
5677: <option value="'.$option.'">'.$lt{$option}.'</option>';
5678: }
5679: }
5680: $srchbysel .= "\n </select>\n";
5681:
5682: my $srchtypesel = ' <select name="srchtype">';
1.564.2.10 albertel 5683: foreach my $option ('begins','contains','exact') {
1.555 raeburn 5684: if ($curr_selected{'srchtype'} eq $option) {
5685: $srchtypesel .= '
5686: <option value="'.$option.'" selected="selected">'.$lt{$option}.'</option>';
5687: } else {
5688: $srchtypesel .= '
5689: <option value="'.$option.'">'.$lt{$option}.'</option>';
5690: }
5691: }
5692: $srchtypesel .= "\n </select>\n";
5693:
1.558 albertel 5694: my ($newuserscript,$new_user_create);
1.556 raeburn 5695:
5696: if ($forcenewuser) {
1.564.2.8 albertel 5697: if (ref($srch) eq 'HASH') {
5698: if ($srch->{'srchby'} eq 'uname' && $srch->{'srchtype'} eq 'exact' && $srch->{'srchin'} eq 'dom' && $srch->{'srchdomain'} eq $env{'request.role.domain'}) {
5699: $new_user_create = '<p> <input type="submit" name="forcenew" value="'.&HTML::Entities::encode(&mt('Make new user "[_1]"',$srchterm),'<>&"').'" onclick="javascript:setSearch(\'1\','.$caller.');" /> </p>';
5700: }
5701: }
5702:
1.556 raeburn 5703: $newuserscript = <<"ENDSCRIPT";
5704:
1.564.2.6 albertel 5705: function setSearch(createnew,callingForm) {
1.556 raeburn 5706: if (createnew == 1) {
1.564.2.6 albertel 5707: for (var i=0; i<callingForm.srchby.length; i++) {
5708: if (callingForm.srchby.options[i].value == 'uname') {
5709: callingForm.srchby.selectedIndex = i;
1.556 raeburn 5710: }
5711: }
1.564.2.6 albertel 5712: for (var i=0; i<callingForm.srchin.length; i++) {
5713: if ( callingForm.srchin.options[i].value == 'dom') {
5714: callingForm.srchin.selectedIndex = i;
1.556 raeburn 5715: }
5716: }
1.564.2.6 albertel 5717: for (var i=0; i<callingForm.srchtype.length; i++) {
5718: if (callingForm.srchtype.options[i].value == 'exact') {
5719: callingForm.srchtype.selectedIndex = i;
1.556 raeburn 5720: }
5721: }
1.564.2.6 albertel 5722: for (var i=0; i<callingForm.srchdomain.length; i++) {
5723: if (callingForm.srchdomain.options[i].value == '$env{'request.role.domain'}') {
5724: callingForm.srchdomain.selectedIndex = i;
1.556 raeburn 5725: }
5726: }
5727: }
5728: }
5729: ENDSCRIPT
1.558 albertel 5730:
1.556 raeburn 5731: }
5732:
1.555 raeburn 5733: my $output = <<"END_BLOCK";
1.556 raeburn 5734: <script type="text/javascript">
1.564.2.6 albertel 5735: function validateEntry(callingForm) {
1.558 albertel 5736:
1.556 raeburn 5737: var checkok = 1;
1.558 albertel 5738: var srchin;
1.564.2.6 albertel 5739: for (var i=0; i<callingForm.srchin.length; i++) {
5740: if ( callingForm.srchin[i].checked ) {
5741: srchin = callingForm.srchin[i].value;
1.558 albertel 5742: }
5743: }
5744:
1.564.2.6 albertel 5745: var srchtype = callingForm.srchtype.options[callingForm.srchtype.selectedIndex].value;
5746: var srchby = callingForm.srchby.options[callingForm.srchby.selectedIndex].value;
5747: var srchdomain = callingForm.srchdomain.options[callingForm.srchdomain.selectedIndex].value;
5748: var srchterm = callingForm.srchterm.value;
5749: var srchin = callingForm.srchin.options[callingForm.srchin.selectedIndex].value;
1.556 raeburn 5750: var msg = "";
5751:
5752: if (srchterm == "") {
5753: checkok = 0;
1.564.2.6 albertel 5754: msg += "$lt{'youm'}\\n";
1.556 raeburn 5755: }
5756:
1.564.2.5 albertel 5757: if (srchtype== 'begins') {
5758: if (srchterm.length < 2) {
5759: checkok = 0;
1.564.2.6 albertel 5760: msg += "$lt{'thte'}\\n";
1.564.2.5 albertel 5761: }
5762: }
5763:
1.556 raeburn 5764: if (srchtype== 'contains') {
5765: if (srchterm.length < 3) {
5766: checkok = 0;
1.564.2.6 albertel 5767: msg += "$lt{'thet'}\\n";
1.556 raeburn 5768: }
5769: }
5770: if (srchin == 'instd') {
5771: if (srchdomain == '') {
5772: checkok = 0;
1.564.2.6 albertel 5773: msg += "$lt{'yomc'}\\n";
1.556 raeburn 5774: }
5775: }
5776: if (srchin == 'dom') {
5777: if (srchdomain == '') {
5778: checkok = 0;
1.564.2.6 albertel 5779: msg += "$lt{'ymcd'}\\n";
1.556 raeburn 5780: }
5781: }
5782: if (srchby == 'lastfirst') {
5783: if (srchterm.indexOf(",") == -1) {
5784: checkok = 0;
1.564.2.6 albertel 5785: msg += "$lt{'whus'}\\n";
1.556 raeburn 5786: }
5787: if (srchterm.indexOf(",") == srchterm.length -1) {
5788: checkok = 0;
1.564.2.6 albertel 5789: msg += "$lt{'whse'}\\n";
1.556 raeburn 5790: }
5791: }
5792: if (checkok == 0) {
1.564.2.6 albertel 5793: alert("$lt{'thfo'}\\n"+msg);
1.556 raeburn 5794: return;
5795: }
5796: if (checkok == 1) {
1.564.2.6 albertel 5797: callingForm.submit();
1.556 raeburn 5798: }
5799: }
5800:
5801: $newuserscript
5802:
5803: </script>
1.558 albertel 5804:
5805: $new_user_create
5806:
1.555 raeburn 5807: <table>
1.558 albertel 5808: <tr>
1.564.2.7 albertel 5809: <td>$lt{'doma'}:</td>
5810: <td>$domform</td>
5811: </td>
5812: </tr>
5813: <tr>
5814: <td>$lt{'usr'}:</td>
1.563 raeburn 5815: <td>$srchbysel
5816: $srchtypesel
5817: <input type="text" size="15" name="srchterm" value="$srchterm" />
1.564 albertel 5818: $srchinsel
1.563 raeburn 5819: </td>
5820: </tr>
1.555 raeburn 5821: </table>
5822: <br />
5823: END_BLOCK
1.558 albertel 5824:
1.555 raeburn 5825: return $output;
5826: }
5827:
1.112 bowersj2 5828: =pod
5829:
1.549 albertel 5830: =back
5831:
5832: =head1 HTTP Helpers
5833:
5834: =over 4
5835:
1.112 bowersj2 5836: =item * get_unprocessed_cgi($query,$possible_names)
5837:
1.258 albertel 5838: Modify the %env hash to contain unprocessed CGI form parameters held in
1.112 bowersj2 5839: $query. The parameters listed in $possible_names (an array reference),
1.258 albertel 5840: will be set in $env{'form.name'} if they do not already exist.
1.112 bowersj2 5841:
5842: Typically called with $ENV{'QUERY_STRING'} as the first parameter.
5843: $possible_names is an ref to an array of form element names. As an example:
5844: get_unprocessed_cgi($ENV{'QUERY_STRING'},['uname','udom']);
1.258 albertel 5845: will result in $env{'form.uname'} and $env{'form.udom'} being set.
1.112 bowersj2 5846:
5847: =cut
1.1 albertel 5848:
1.6 albertel 5849: sub get_unprocessed_cgi {
1.25 albertel 5850: my ($query,$possible_names)= @_;
1.26 matthew 5851: # $Apache::lonxml::debug=1;
1.356 albertel 5852: foreach my $pair (split(/&/,$query)) {
5853: my ($name, $value) = split(/=/,$pair);
1.369 www 5854: $name = &unescape($name);
1.25 albertel 5855: if (!defined($possible_names) || (grep {$_ eq $name} @$possible_names)) {
5856: $value =~ tr/+/ /;
5857: $value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg;
1.258 albertel 5858: unless (defined($env{'form.'.$name})) { &add_to_env('form.'.$name,$value) };
1.25 albertel 5859: }
1.16 harris41 5860: }
1.6 albertel 5861: }
5862:
1.112 bowersj2 5863: =pod
5864:
5865: =item * cacheheader()
5866:
5867: returns cache-controlling header code
5868:
5869: =cut
5870:
1.7 albertel 5871: sub cacheheader {
1.258 albertel 5872: unless ($env{'request.method'} eq 'GET') { return ''; }
1.216 albertel 5873: my $date=strftime("%a, %d %b %Y %H:%M:%S GMT",gmtime);
5874: my $output .='<meta HTTP-EQUIV="Expires" CONTENT="'.$date.'" />
1.7 albertel 5875: <meta HTTP-EQUIV="Cache-control" CONTENT="no-cache" />
5876: <meta HTTP-EQUIV="Pragma" CONTENT="no-cache" />';
1.216 albertel 5877: return $output;
1.7 albertel 5878: }
5879:
1.112 bowersj2 5880: =pod
5881:
5882: =item * no_cache($r)
5883:
5884: specifies header code to not have cache
5885:
5886: =cut
5887:
1.9 albertel 5888: sub no_cache {
1.216 albertel 5889: my ($r) = @_;
5890: if ($ENV{'REQUEST_METHOD'} ne 'GET' &&
1.258 albertel 5891: $env{'request.method'} ne 'GET') { return ''; }
1.216 albertel 5892: my $date=strftime("%a, %d %b %Y %H:%M:%S GMT",gmtime(time));
5893: $r->no_cache(1);
5894: $r->header_out("Expires" => $date);
5895: $r->header_out("Pragma" => "no-cache");
1.123 www 5896: }
5897:
5898: sub content_type {
1.181 albertel 5899: my ($r,$type,$charset) = @_;
1.299 foxr 5900: if ($r) {
5901: # Note that printout.pl calls this with undef for $r.
5902: &no_cache($r);
5903: }
1.258 albertel 5904: if ($env{'browser.mathml'} && $type eq 'text/html') { $type='text/xml'; }
1.181 albertel 5905: unless ($charset) {
5906: $charset=&Apache::lonlocal::current_encoding;
5907: }
5908: if ($charset) { $type.='; charset='.$charset; }
5909: if ($r) {
5910: $r->content_type($type);
5911: } else {
5912: print("Content-type: $type\n\n");
5913: }
1.9 albertel 5914: }
1.25 albertel 5915:
1.112 bowersj2 5916: =pod
5917:
5918: =item * add_to_env($name,$value)
5919:
1.258 albertel 5920: adds $name to the %env hash with value
1.112 bowersj2 5921: $value, if $name already exists, the entry is converted to an array
5922: reference and $value is added to the array.
5923:
5924: =cut
5925:
1.25 albertel 5926: sub add_to_env {
5927: my ($name,$value)=@_;
1.258 albertel 5928: if (defined($env{$name})) {
5929: if (ref($env{$name})) {
1.25 albertel 5930: #already have multiple values
1.258 albertel 5931: push(@{ $env{$name} },$value);
1.25 albertel 5932: } else {
5933: #first time seeing multiple values, convert hash entry to an arrayref
1.258 albertel 5934: my $first=$env{$name};
5935: undef($env{$name});
5936: push(@{ $env{$name} },$first,$value);
1.25 albertel 5937: }
5938: } else {
1.258 albertel 5939: $env{$name}=$value;
1.25 albertel 5940: }
1.31 albertel 5941: }
1.149 albertel 5942:
5943: =pod
5944:
5945: =item * get_env_multiple($name)
5946:
1.258 albertel 5947: gets $name from the %env hash, it seemlessly handles the cases where multiple
1.149 albertel 5948: values may be defined and end up as an array ref.
5949:
5950: returns an array of values
5951:
5952: =cut
5953:
5954: sub get_env_multiple {
5955: my ($name) = @_;
5956: my @values;
1.258 albertel 5957: if (defined($env{$name})) {
1.149 albertel 5958: # exists is it an array
1.258 albertel 5959: if (ref($env{$name})) {
5960: @values=@{ $env{$name} };
1.149 albertel 5961: } else {
1.258 albertel 5962: $values[0]=$env{$name};
1.149 albertel 5963: }
5964: }
5965: return(@values);
5966: }
5967:
1.31 albertel 5968:
1.41 ng 5969: =pod
1.45 matthew 5970:
1.464 albertel 5971: =back
1.41 ng 5972:
1.112 bowersj2 5973: =head1 CSV Upload/Handling functions
1.38 albertel 5974:
1.41 ng 5975: =over 4
5976:
1.112 bowersj2 5977: =item * upfile_store($r)
1.41 ng 5978:
5979: Store uploaded file, $r should be the HTTP Request object,
1.258 albertel 5980: needs $env{'form.upfile'}
1.41 ng 5981: returns $datatoken to be put into hidden field
5982:
5983: =cut
1.31 albertel 5984:
5985: sub upfile_store {
5986: my $r=shift;
1.258 albertel 5987: $env{'form.upfile'}=~s/\r/\n/gs;
5988: $env{'form.upfile'}=~s/\f/\n/gs;
5989: $env{'form.upfile'}=~s/\n+/\n/gs;
5990: $env{'form.upfile'}=~s/\n+$//gs;
1.31 albertel 5991:
1.258 albertel 5992: my $datatoken=$env{'user.name'}.'_'.$env{'user.domain'}.
5993: '_enroll_'.$env{'request.course.id'}.'_'.time.'_'.$$;
1.31 albertel 5994: {
1.158 raeburn 5995: my $datafile = $r->dir_config('lonDaemons').
5996: '/tmp/'.$datatoken.'.tmp';
5997: if ( open(my $fh,">$datafile") ) {
1.258 albertel 5998: print $fh $env{'form.upfile'};
1.158 raeburn 5999: close($fh);
6000: }
1.31 albertel 6001: }
6002: return $datatoken;
6003: }
6004:
1.56 matthew 6005: =pod
6006:
1.112 bowersj2 6007: =item * load_tmp_file($r)
1.41 ng 6008:
6009: Load uploaded file from tmp, $r should be the HTTP Request object,
1.258 albertel 6010: needs $env{'form.datatoken'},
6011: sets $env{'form.upfile'} to the contents of the file
1.41 ng 6012:
6013: =cut
1.31 albertel 6014:
6015: sub load_tmp_file {
6016: my $r=shift;
6017: my @studentdata=();
6018: {
1.158 raeburn 6019: my $studentfile = $r->dir_config('lonDaemons').
1.258 albertel 6020: '/tmp/'.$env{'form.datatoken'}.'.tmp';
1.158 raeburn 6021: if ( open(my $fh,"<$studentfile") ) {
6022: @studentdata=<$fh>;
6023: close($fh);
6024: }
1.31 albertel 6025: }
1.258 albertel 6026: $env{'form.upfile'}=join('',@studentdata);
1.31 albertel 6027: }
6028:
1.56 matthew 6029: =pod
6030:
1.112 bowersj2 6031: =item * upfile_record_sep()
1.41 ng 6032:
6033: Separate uploaded file into records
6034: returns array of records,
1.258 albertel 6035: needs $env{'form.upfile'} and $env{'form.upfiletype'}
1.41 ng 6036:
6037: =cut
1.31 albertel 6038:
6039: sub upfile_record_sep {
1.258 albertel 6040: if ($env{'form.upfiletype'} eq 'xml') {
1.31 albertel 6041: } else {
1.248 albertel 6042: my @records;
1.258 albertel 6043: foreach my $line (split(/\n/,$env{'form.upfile'})) {
1.248 albertel 6044: if ($line=~/^\s*$/) { next; }
6045: push(@records,$line);
6046: }
6047: return @records;
1.31 albertel 6048: }
6049: }
6050:
1.56 matthew 6051: =pod
6052:
1.112 bowersj2 6053: =item * record_sep($record)
1.41 ng 6054:
1.258 albertel 6055: Separate a record into fields $record should be an item from the upfile_record_sep(), needs $env{'form.upfiletype'}
1.41 ng 6056:
6057: =cut
6058:
1.263 www 6059: sub takeleft {
6060: my $index=shift;
6061: return substr('0000'.$index,-4,4);
6062: }
6063:
1.31 albertel 6064: sub record_sep {
6065: my $record=shift;
6066: my %components=();
1.258 albertel 6067: if ($env{'form.upfiletype'} eq 'xml') {
6068: } elsif ($env{'form.upfiletype'} eq 'space') {
1.31 albertel 6069: my $i=0;
1.356 albertel 6070: foreach my $field (split(/\s+/,$record)) {
1.31 albertel 6071: $field=~s/^(\"|\')//;
6072: $field=~s/(\"|\')$//;
1.263 www 6073: $components{&takeleft($i)}=$field;
1.31 albertel 6074: $i++;
6075: }
1.258 albertel 6076: } elsif ($env{'form.upfiletype'} eq 'tab') {
1.31 albertel 6077: my $i=0;
1.356 albertel 6078: foreach my $field (split(/\t/,$record)) {
1.31 albertel 6079: $field=~s/^(\"|\')//;
6080: $field=~s/(\"|\')$//;
1.263 www 6081: $components{&takeleft($i)}=$field;
1.31 albertel 6082: $i++;
6083: }
6084: } else {
1.561 www 6085: my $separator=',';
1.480 banghart 6086: if ($env{'form.upfiletype'} eq 'semisv') {
1.561 www 6087: $separator=';';
1.480 banghart 6088: }
1.31 albertel 6089: my $i=0;
1.561 www 6090: # the character we are looking for to indicate the end of a quote or a record
6091: my $looking_for=$separator;
6092: # do not add the characters to the fields
6093: my $ignore=0;
6094: # we just encountered a separator (or the beginning of the record)
6095: my $just_found_separator=1;
6096: # store the field we are working on here
6097: my $field='';
6098: # work our way through all characters in record
6099: foreach my $character ($record=~/(.)/g) {
6100: if ($character eq $looking_for) {
6101: if ($character ne $separator) {
6102: # Found the end of a quote, again looking for separator
6103: $looking_for=$separator;
6104: $ignore=1;
6105: } else {
6106: # Found a separator, store away what we got
6107: $components{&takeleft($i)}=$field;
6108: $i++;
6109: $just_found_separator=1;
6110: $ignore=0;
6111: $field='';
6112: }
6113: next;
6114: }
6115: # single or double quotation marks after a separator indicate beginning of a quote
6116: # we are now looking for the end of the quote and need to ignore separators
6117: if ((($character eq '"') || ($character eq "'")) && ($just_found_separator)) {
6118: $looking_for=$character;
6119: next;
6120: }
6121: # ignore would be true after we reached the end of a quote
6122: if ($ignore) { next; }
6123: if (($just_found_separator) && ($character=~/\s/)) { next; }
6124: $field.=$character;
6125: $just_found_separator=0;
1.31 albertel 6126: }
1.561 www 6127: # catch the very last entry, since we never encountered the separator
6128: $components{&takeleft($i)}=$field;
1.31 albertel 6129: }
6130: return %components;
6131: }
6132:
1.144 matthew 6133: ######################################################
6134: ######################################################
6135:
1.56 matthew 6136: =pod
6137:
1.112 bowersj2 6138: =item * upfile_select_html()
1.41 ng 6139:
1.144 matthew 6140: Return HTML code to select a file from the users machine and specify
6141: the file type.
1.41 ng 6142:
6143: =cut
6144:
1.144 matthew 6145: ######################################################
6146: ######################################################
1.31 albertel 6147: sub upfile_select_html {
1.144 matthew 6148: my %Types = (
6149: csv => &mt('CSV (comma separated values, spreadsheet)'),
1.480 banghart 6150: semisv => &mt('Semicolon separated values'),
1.144 matthew 6151: space => &mt('Space separated'),
6152: tab => &mt('Tabulator separated'),
6153: # xml => &mt('HTML/XML'),
6154: );
6155: my $Str = '<input type="file" name="upfile" size="50" />'.
6156: '<br />Type: <select name="upfiletype">';
6157: foreach my $type (sort(keys(%Types))) {
6158: $Str .= '<option value="'.$type.'" >'.$Types{$type}."</option>\n";
6159: }
6160: $Str .= "</select>\n";
6161: return $Str;
1.31 albertel 6162: }
6163:
1.301 albertel 6164: sub get_samples {
6165: my ($records,$toget) = @_;
6166: my @samples=({});
6167: my $got=0;
6168: foreach my $rec (@$records) {
6169: my %temp = &record_sep($rec);
6170: if (! grep(/\S/, values(%temp))) { next; }
6171: if (%temp) {
6172: $samples[$got]=\%temp;
6173: $got++;
6174: if ($got == $toget) { last; }
6175: }
6176: }
6177: return \@samples;
6178: }
6179:
1.144 matthew 6180: ######################################################
6181: ######################################################
6182:
1.56 matthew 6183: =pod
6184:
1.112 bowersj2 6185: =item * csv_print_samples($r,$records)
1.41 ng 6186:
6187: Prints a table of sample values from each column uploaded $r is an
6188: Apache Request ref, $records is an arrayref from
6189: &Apache::loncommon::upfile_record_sep
6190:
6191: =cut
6192:
1.144 matthew 6193: ######################################################
6194: ######################################################
1.31 albertel 6195: sub csv_print_samples {
6196: my ($r,$records) = @_;
1.301 albertel 6197: my $samples = &get_samples($records,3);
6198:
1.144 matthew 6199: $r->print(&mt('Samples').'<br /><table border="2"><tr>');
1.356 albertel 6200: foreach my $sample (sort({$a <=> $b} keys(%{ $samples->[0] }))) {
6201: $r->print('<th>'.&mt('Column [_1]',($sample+1)).'</th>'); }
1.31 albertel 6202: $r->print('</tr>');
1.301 albertel 6203: foreach my $hash (@$samples) {
1.31 albertel 6204: $r->print('<tr>');
1.356 albertel 6205: foreach my $sample (sort({$a <=> $b} keys(%{ $samples->[0] }))) {
1.31 albertel 6206: $r->print('<td>');
1.356 albertel 6207: if (defined($$hash{$sample})) { $r->print($$hash{$sample}); }
1.31 albertel 6208: $r->print('</td>');
6209: }
6210: $r->print('</tr>');
6211: }
6212: $r->print('</tr></table><br />'."\n");
6213: }
6214:
1.144 matthew 6215: ######################################################
6216: ######################################################
6217:
1.56 matthew 6218: =pod
6219:
1.112 bowersj2 6220: =item * csv_print_select_table($r,$records,$d)
1.41 ng 6221:
6222: Prints a table to create associations between values and table columns.
1.144 matthew 6223:
1.41 ng 6224: $r is an Apache Request ref,
6225: $records is an arrayref from &Apache::loncommon::upfile_record_sep,
1.174 matthew 6226: $d is an array of 2 element arrays (internal name, displayed name,defaultcol)
1.41 ng 6227:
6228: =cut
6229:
1.144 matthew 6230: ######################################################
6231: ######################################################
1.31 albertel 6232: sub csv_print_select_table {
6233: my ($r,$records,$d) = @_;
1.301 albertel 6234: my $i=0;
6235: my $samples = &get_samples($records,1);
1.144 matthew 6236: $r->print(&mt('Associate columns with student attributes.')."\n".
6237: '<table border="2"><tr>'.
6238: '<th>'.&mt('Attribute').'</th>'.
6239: '<th>'.&mt('Column').'</th></tr>'."\n");
1.356 albertel 6240: foreach my $array_ref (@$d) {
6241: my ($value,$display,$defaultcol)=@{ $array_ref };
1.31 albertel 6242: $r->print('<tr><td>'.$display.'</td>');
6243:
6244: $r->print('<td><select name=f'.$i.
1.32 matthew 6245: ' onchange="javascript:flip(this.form,'.$i.');">');
1.31 albertel 6246: $r->print('<option value="none"></option>');
1.356 albertel 6247: foreach my $sample (sort({$a <=> $b} keys(%{ $samples->[0] }))) {
6248: $r->print('<option value="'.$sample.'"'.
6249: ($sample eq $defaultcol ? ' selected="selected" ' : '').
6250: '>Column '.($sample+1).'</option>');
1.31 albertel 6251: }
6252: $r->print('</select></td></tr>'."\n");
6253: $i++;
6254: }
6255: $i--;
6256: return $i;
6257: }
1.56 matthew 6258:
1.144 matthew 6259: ######################################################
6260: ######################################################
6261:
1.56 matthew 6262: =pod
1.31 albertel 6263:
1.112 bowersj2 6264: =item * csv_samples_select_table($r,$records,$d)
1.41 ng 6265:
6266: Prints a table of sample values from the upload and can make associate samples to internal names.
6267:
6268: $r is an Apache Request ref,
6269: $records is an arrayref from &Apache::loncommon::upfile_record_sep,
6270: $d is an array of 2 element arrays (internal name, displayed name)
6271:
6272: =cut
6273:
1.144 matthew 6274: ######################################################
6275: ######################################################
1.31 albertel 6276: sub csv_samples_select_table {
6277: my ($r,$records,$d) = @_;
6278: my $i=0;
1.144 matthew 6279: #
1.301 albertel 6280: my $samples = &get_samples($records,3);
1.144 matthew 6281: $r->print('<table border=2><tr><th>'.
6282: &mt('Field').'</th><th>'.&mt('Samples').'</th></tr>');
1.301 albertel 6283:
6284: foreach my $key (sort(keys(%{ $samples->[0] }))) {
1.144 matthew 6285: $r->print('<tr><td><select name="f'.$i.'"'.
1.32 matthew 6286: ' onchange="javascript:flip(this.form,'.$i.');">');
1.301 albertel 6287: foreach my $option (@$d) {
6288: my ($value,$display,$defaultcol)=@{ $option };
1.174 matthew 6289: $r->print('<option value="'.$value.'"'.
1.253 albertel 6290: ($i eq $defaultcol ? ' selected="selected" ':'').'>'.
1.174 matthew 6291: $display.'</option>');
1.31 albertel 6292: }
6293: $r->print('</select></td><td>');
1.301 albertel 6294: foreach my $line (0..2) {
6295: if (defined($samples->[$line]{$key})) {
6296: $r->print($samples->[$line]{$key}."<br />\n");
6297: }
6298: }
1.31 albertel 6299: $r->print('</td></tr>');
6300: $i++;
6301: }
6302: $i--;
6303: return($i);
1.115 matthew 6304: }
6305:
1.144 matthew 6306: ######################################################
6307: ######################################################
6308:
1.115 matthew 6309: =pod
6310:
6311: =item clean_excel_name($name)
6312:
6313: Returns a replacement for $name which does not contain any illegal characters.
6314:
6315: =cut
6316:
1.144 matthew 6317: ######################################################
6318: ######################################################
1.115 matthew 6319: sub clean_excel_name {
6320: my ($name) = @_;
6321: $name =~ s/[:\*\?\/\\]//g;
6322: if (length($name) > 31) {
6323: $name = substr($name,0,31);
6324: }
6325: return $name;
1.25 albertel 6326: }
1.84 albertel 6327:
1.85 albertel 6328: =pod
6329:
1.112 bowersj2 6330: =item * check_if_partid_hidden($id,$symb,$udom,$uname)
1.85 albertel 6331:
6332: Returns either 1 or undef
6333:
6334: 1 if the part is to be hidden, undef if it is to be shown
6335:
6336: Arguments are:
6337:
6338: $id the id of the part to be checked
6339: $symb, optional the symb of the resource to check
6340: $udom, optional the domain of the user to check for
6341: $uname, optional the username of the user to check for
6342:
6343: =cut
1.84 albertel 6344:
6345: sub check_if_partid_hidden {
6346: my ($id,$symb,$udom,$uname) = @_;
1.133 albertel 6347: my $hiddenparts=&Apache::lonnet::EXT('resource.0.hiddenparts',
1.84 albertel 6348: $symb,$udom,$uname);
1.141 albertel 6349: my $truth=1;
6350: #if the string starts with !, then the list is the list to show not hide
6351: if ($hiddenparts=~s/^\s*!//) { $truth=undef; }
1.84 albertel 6352: my @hiddenlist=split(/,/,$hiddenparts);
6353: foreach my $checkid (@hiddenlist) {
1.141 albertel 6354: if ($checkid =~ /^\s*\Q$id\E\s*$/) { return $truth; }
1.84 albertel 6355: }
1.141 albertel 6356: return !$truth;
1.84 albertel 6357: }
1.127 matthew 6358:
1.138 matthew 6359:
6360: ############################################################
6361: ############################################################
6362:
6363: =pod
6364:
1.157 matthew 6365: =back
6366:
1.138 matthew 6367: =head1 cgi-bin script and graphing routines
6368:
1.157 matthew 6369: =over 4
6370:
1.138 matthew 6371: =item get_cgi_id
6372:
6373: Inputs: none
6374:
6375: Returns an id which can be used to pass environment variables
6376: to various cgi-bin scripts. These environment variables will
6377: be removed from the users environment after a given time by
6378: the routine &Apache::lonnet::transfer_profile_to_env.
6379:
6380: =cut
6381:
6382: ############################################################
6383: ############################################################
1.152 albertel 6384: my $uniq=0;
1.136 matthew 6385: sub get_cgi_id {
1.154 albertel 6386: $uniq=($uniq+1)%100000;
1.280 albertel 6387: return (time.'_'.$$.'_'.$uniq);
1.136 matthew 6388: }
6389:
1.127 matthew 6390: ############################################################
6391: ############################################################
6392:
6393: =pod
6394:
1.134 matthew 6395: =item DrawBarGraph
1.127 matthew 6396:
1.138 matthew 6397: Facilitates the plotting of data in a (stacked) bar graph.
6398: Puts plot definition data into the users environment in order for
6399: graph.png to plot it. Returns an <img> tag for the plot.
6400: The bars on the plot are labeled '1','2',...,'n'.
6401:
6402: Inputs:
6403:
6404: =over 4
6405:
6406: =item $Title: string, the title of the plot
6407:
6408: =item $xlabel: string, text describing the X-axis of the plot
6409:
6410: =item $ylabel: string, text describing the Y-axis of the plot
6411:
6412: =item $Max: scalar, the maximum Y value to use in the plot
6413: If $Max is < any data point, the graph will not be rendered.
6414:
1.140 matthew 6415: =item $colors: array ref holding the colors to be used for the data sets when
1.138 matthew 6416: they are plotted. If undefined, default values will be used.
6417:
1.178 matthew 6418: =item $labels: array ref holding the labels to use on the x-axis for the bars.
6419:
1.138 matthew 6420: =item @Values: An array of array references. Each array reference holds data
6421: to be plotted in a stacked bar chart.
6422:
1.239 matthew 6423: =item If the final element of @Values is a hash reference the key/value
6424: pairs will be added to the graph definition.
6425:
1.138 matthew 6426: =back
6427:
6428: Returns:
6429:
6430: An <img> tag which references graph.png and the appropriate identifying
6431: information for the plot.
6432:
1.127 matthew 6433: =cut
6434:
6435: ############################################################
6436: ############################################################
1.134 matthew 6437: sub DrawBarGraph {
1.178 matthew 6438: my ($Title,$xlabel,$ylabel,$Max,$colors,$labels,@Values)=@_;
1.134 matthew 6439: #
6440: if (! defined($colors)) {
6441: $colors = ['#33ff00',
6442: '#0033cc', '#990000', '#aaaa66', '#663399', '#ff9933',
6443: '#66ccff', '#ff9999', '#cccc33', '#660000', '#33cc66',
6444: ];
6445: }
1.228 matthew 6446: my $extra_settings = {};
6447: if (ref($Values[-1]) eq 'HASH') {
6448: $extra_settings = pop(@Values);
6449: }
1.127 matthew 6450: #
1.136 matthew 6451: my $identifier = &get_cgi_id();
6452: my $id = 'cgi.'.$identifier;
1.129 matthew 6453: if (! @Values || ref($Values[0]) ne 'ARRAY') {
1.127 matthew 6454: return '';
6455: }
1.225 matthew 6456: #
6457: my @Labels;
6458: if (defined($labels)) {
6459: @Labels = @$labels;
6460: } else {
6461: for (my $i=0;$i<@{$Values[0]};$i++) {
6462: push (@Labels,$i+1);
6463: }
6464: }
6465: #
1.129 matthew 6466: my $NumBars = scalar(@{$Values[0]});
1.225 matthew 6467: if ($NumBars < scalar(@Labels)) { $NumBars = scalar(@Labels); }
1.129 matthew 6468: my %ValuesHash;
6469: my $NumSets=1;
6470: foreach my $array (@Values) {
6471: next if (! ref($array));
1.136 matthew 6472: $ValuesHash{$id.'.data.'.$NumSets++} =
1.132 matthew 6473: join(',',@$array);
1.129 matthew 6474: }
1.127 matthew 6475: #
1.136 matthew 6476: my ($height,$width,$xskip,$bar_width) = (200,120,1,15);
1.225 matthew 6477: if ($NumBars < 3) {
6478: $width = 120+$NumBars*32;
1.220 matthew 6479: $xskip = 1;
1.225 matthew 6480: $bar_width = 30;
6481: } elsif ($NumBars < 5) {
6482: $width = 120+$NumBars*20;
6483: $xskip = 1;
6484: $bar_width = 20;
1.220 matthew 6485: } elsif ($NumBars < 10) {
1.136 matthew 6486: $width = 120+$NumBars*15;
6487: $xskip = 1;
6488: $bar_width = 15;
6489: } elsif ($NumBars <= 25) {
6490: $width = 120+$NumBars*11;
6491: $xskip = 5;
6492: $bar_width = 8;
6493: } elsif ($NumBars <= 50) {
6494: $width = 120+$NumBars*8;
6495: $xskip = 5;
6496: $bar_width = 4;
6497: } else {
6498: $width = 120+$NumBars*8;
6499: $xskip = 5;
6500: $bar_width = 4;
6501: }
6502: #
1.137 matthew 6503: $Max = 1 if ($Max < 1);
6504: if ( int($Max) < $Max ) {
6505: $Max++;
6506: $Max = int($Max);
6507: }
1.127 matthew 6508: $Title = '' if (! defined($Title));
6509: $xlabel = '' if (! defined($xlabel));
6510: $ylabel = '' if (! defined($ylabel));
1.369 www 6511: $ValuesHash{$id.'.title'} = &escape($Title);
6512: $ValuesHash{$id.'.xlabel'} = &escape($xlabel);
6513: $ValuesHash{$id.'.ylabel'} = &escape($ylabel);
1.137 matthew 6514: $ValuesHash{$id.'.y_max_value'} = $Max;
1.136 matthew 6515: $ValuesHash{$id.'.NumBars'} = $NumBars;
6516: $ValuesHash{$id.'.NumSets'} = $NumSets;
6517: $ValuesHash{$id.'.PlotType'} = 'bar';
6518: $ValuesHash{$id.'.Colors'} = join(',',@{$colors});
6519: $ValuesHash{$id.'.height'} = $height;
6520: $ValuesHash{$id.'.width'} = $width;
6521: $ValuesHash{$id.'.xskip'} = $xskip;
6522: $ValuesHash{$id.'.bar_width'} = $bar_width;
6523: $ValuesHash{$id.'.labels'} = join(',',@Labels);
1.127 matthew 6524: #
1.228 matthew 6525: # Deal with other parameters
6526: while (my ($key,$value) = each(%$extra_settings)) {
6527: $ValuesHash{$id.'.'.$key} = $value;
6528: }
6529: #
1.137 matthew 6530: &Apache::lonnet::appenv(%ValuesHash);
6531: return '<img src="/cgi-bin/graph.png?'.$identifier.'" border="1" />';
6532: }
6533:
6534: ############################################################
6535: ############################################################
6536:
6537: =pod
6538:
6539: =item DrawXYGraph
6540:
1.138 matthew 6541: Facilitates the plotting of data in an XY graph.
6542: Puts plot definition data into the users environment in order for
6543: graph.png to plot it. Returns an <img> tag for the plot.
6544:
6545: Inputs:
6546:
6547: =over 4
6548:
6549: =item $Title: string, the title of the plot
6550:
6551: =item $xlabel: string, text describing the X-axis of the plot
6552:
6553: =item $ylabel: string, text describing the Y-axis of the plot
6554:
6555: =item $Max: scalar, the maximum Y value to use in the plot
6556: If $Max is < any data point, the graph will not be rendered.
6557:
6558: =item $colors: Array ref containing the hex color codes for the data to be
6559: plotted in. If undefined, default values will be used.
6560:
6561: =item $Xlabels: Array ref containing the labels to be used for the X-axis.
6562:
6563: =item $Ydata: Array ref containing Array refs.
1.185 www 6564: Each of the contained arrays will be plotted as a separate curve.
1.138 matthew 6565:
6566: =item %Values: hash indicating or overriding any default values which are
6567: passed to graph.png.
6568: Possible values are: width, xskip, x_ticks, x_tick_offset, among others.
6569:
6570: =back
6571:
6572: Returns:
6573:
6574: An <img> tag which references graph.png and the appropriate identifying
6575: information for the plot.
6576:
1.137 matthew 6577: =cut
6578:
6579: ############################################################
6580: ############################################################
6581: sub DrawXYGraph {
6582: my ($Title,$xlabel,$ylabel,$Max,$colors,$Xlabels,$Ydata,%Values)=@_;
6583: #
6584: # Create the identifier for the graph
6585: my $identifier = &get_cgi_id();
6586: my $id = 'cgi.'.$identifier;
6587: #
6588: $Title = '' if (! defined($Title));
6589: $xlabel = '' if (! defined($xlabel));
6590: $ylabel = '' if (! defined($ylabel));
6591: my %ValuesHash =
6592: (
1.369 www 6593: $id.'.title' => &escape($Title),
6594: $id.'.xlabel' => &escape($xlabel),
6595: $id.'.ylabel' => &escape($ylabel),
1.137 matthew 6596: $id.'.y_max_value'=> $Max,
6597: $id.'.labels' => join(',',@$Xlabels),
6598: $id.'.PlotType' => 'XY',
6599: );
6600: #
6601: if (defined($colors) && ref($colors) eq 'ARRAY') {
6602: $ValuesHash{$id.'.Colors'} = join(',',@{$colors});
6603: }
6604: #
6605: if (! ref($Ydata) || ref($Ydata) ne 'ARRAY') {
6606: return '';
6607: }
6608: my $NumSets=1;
1.138 matthew 6609: foreach my $array (@{$Ydata}){
1.137 matthew 6610: next if (! ref($array));
6611: $ValuesHash{$id.'.data.'.$NumSets++} = join(',',@$array);
6612: }
1.138 matthew 6613: $ValuesHash{$id.'.NumSets'} = $NumSets-1;
1.137 matthew 6614: #
6615: # Deal with other parameters
6616: while (my ($key,$value) = each(%Values)) {
6617: $ValuesHash{$id.'.'.$key} = $value;
1.127 matthew 6618: }
6619: #
1.136 matthew 6620: &Apache::lonnet::appenv(%ValuesHash);
6621: return '<img src="/cgi-bin/graph.png?'.$identifier.'" border="1" />';
6622: }
6623:
6624: ############################################################
6625: ############################################################
6626:
6627: =pod
6628:
1.138 matthew 6629: =item DrawXYYGraph
6630:
6631: Facilitates the plotting of data in an XY graph with two Y axes.
6632: Puts plot definition data into the users environment in order for
6633: graph.png to plot it. Returns an <img> tag for the plot.
6634:
6635: Inputs:
6636:
6637: =over 4
6638:
6639: =item $Title: string, the title of the plot
6640:
6641: =item $xlabel: string, text describing the X-axis of the plot
6642:
6643: =item $ylabel: string, text describing the Y-axis of the plot
6644:
6645: =item $colors: Array ref containing the hex color codes for the data to be
6646: plotted in. If undefined, default values will be used.
6647:
6648: =item $Xlabels: Array ref containing the labels to be used for the X-axis.
6649:
6650: =item $Ydata1: The first data set
6651:
6652: =item $Min1: The minimum value of the left Y-axis
6653:
6654: =item $Max1: The maximum value of the left Y-axis
6655:
6656: =item $Ydata2: The second data set
6657:
6658: =item $Min2: The minimum value of the right Y-axis
6659:
6660: =item $Max2: The maximum value of the left Y-axis
6661:
6662: =item %Values: hash indicating or overriding any default values which are
6663: passed to graph.png.
6664: Possible values are: width, xskip, x_ticks, x_tick_offset, among others.
6665:
6666: =back
6667:
6668: Returns:
6669:
6670: An <img> tag which references graph.png and the appropriate identifying
6671: information for the plot.
1.136 matthew 6672:
6673: =cut
6674:
6675: ############################################################
6676: ############################################################
1.137 matthew 6677: sub DrawXYYGraph {
6678: my ($Title,$xlabel,$ylabel,$colors,$Xlabels,$Ydata1,$Min1,$Max1,
6679: $Ydata2,$Min2,$Max2,%Values)=@_;
1.136 matthew 6680: #
6681: # Create the identifier for the graph
6682: my $identifier = &get_cgi_id();
6683: my $id = 'cgi.'.$identifier;
6684: #
6685: $Title = '' if (! defined($Title));
6686: $xlabel = '' if (! defined($xlabel));
6687: $ylabel = '' if (! defined($ylabel));
6688: my %ValuesHash =
6689: (
1.369 www 6690: $id.'.title' => &escape($Title),
6691: $id.'.xlabel' => &escape($xlabel),
6692: $id.'.ylabel' => &escape($ylabel),
1.136 matthew 6693: $id.'.labels' => join(',',@$Xlabels),
6694: $id.'.PlotType' => 'XY',
6695: $id.'.NumSets' => 2,
1.137 matthew 6696: $id.'.two_axes' => 1,
6697: $id.'.y1_max_value' => $Max1,
6698: $id.'.y1_min_value' => $Min1,
6699: $id.'.y2_max_value' => $Max2,
6700: $id.'.y2_min_value' => $Min2,
1.136 matthew 6701: );
6702: #
1.137 matthew 6703: if (defined($colors) && ref($colors) eq 'ARRAY') {
6704: $ValuesHash{$id.'.Colors'} = join(',',@{$colors});
6705: }
6706: #
6707: if (! ref($Ydata1) || ref($Ydata1) ne 'ARRAY' ||
6708: ! ref($Ydata2) || ref($Ydata2) ne 'ARRAY'){
1.136 matthew 6709: return '';
6710: }
6711: my $NumSets=1;
1.137 matthew 6712: foreach my $array ($Ydata1,$Ydata2){
1.136 matthew 6713: next if (! ref($array));
6714: $ValuesHash{$id.'.data.'.$NumSets++} = join(',',@$array);
1.137 matthew 6715: }
6716: #
6717: # Deal with other parameters
6718: while (my ($key,$value) = each(%Values)) {
6719: $ValuesHash{$id.'.'.$key} = $value;
1.136 matthew 6720: }
6721: #
6722: &Apache::lonnet::appenv(%ValuesHash);
1.130 albertel 6723: return '<img src="/cgi-bin/graph.png?'.$identifier.'" border="1" />';
1.139 matthew 6724: }
6725:
6726: ############################################################
6727: ############################################################
6728:
6729: =pod
6730:
1.157 matthew 6731: =back
6732:
1.139 matthew 6733: =head1 Statistics helper routines?
6734:
6735: Bad place for them but what the hell.
6736:
1.157 matthew 6737: =over 4
6738:
1.139 matthew 6739: =item &chartlink
6740:
6741: Returns a link to the chart for a specific student.
6742:
6743: Inputs:
6744:
6745: =over 4
6746:
6747: =item $linktext: The text of the link
6748:
6749: =item $sname: The students username
6750:
6751: =item $sdomain: The students domain
6752:
6753: =back
6754:
1.157 matthew 6755: =back
6756:
1.139 matthew 6757: =cut
6758:
6759: ############################################################
6760: ############################################################
6761: sub chartlink {
6762: my ($linktext, $sname, $sdomain) = @_;
6763: my $link = '<a href="/adm/statistics?reportSelected=student_assessment'.
1.369 www 6764: '&SelectedStudent='.&escape($sname.':'.$sdomain).
1.219 albertel 6765: '&chartoutputmode='.HTML::Entities::encode('html, with all links').
1.139 matthew 6766: '">'.$linktext.'</a>';
1.153 matthew 6767: }
6768:
6769: #######################################################
6770: #######################################################
6771:
6772: =pod
6773:
6774: =head1 Course Environment Routines
1.157 matthew 6775:
6776: =over 4
1.153 matthew 6777:
6778: =item &restore_course_settings
6779:
6780: =item &store_course_settings
6781:
6782: Restores/Store indicated form parameters from the course environment.
6783: Will not overwrite existing values of the form parameters.
6784:
6785: Inputs:
6786: a scalar describing the data (e.g. 'chart', 'problem_analysis')
6787:
6788: a hash ref describing the data to be stored. For example:
6789:
6790: %Save_Parameters = ('Status' => 'scalar',
6791: 'chartoutputmode' => 'scalar',
6792: 'chartoutputdata' => 'scalar',
6793: 'Section' => 'array',
1.373 raeburn 6794: 'Group' => 'array',
1.153 matthew 6795: 'StudentData' => 'array',
6796: 'Maps' => 'array');
6797:
6798: Returns: both routines return nothing
6799:
6800: =cut
6801:
6802: #######################################################
6803: #######################################################
6804: sub store_course_settings {
1.496 albertel 6805: return &store_settings($env{'request.course.id'},@_);
6806: }
6807:
6808: sub store_settings {
1.153 matthew 6809: # save to the environment
6810: # appenv the same items, just to be safe
1.300 albertel 6811: my $udom = $env{'user.domain'};
6812: my $uname = $env{'user.name'};
1.496 albertel 6813: my ($context,$prefix,$Settings) = @_;
1.153 matthew 6814: my %SaveHash;
6815: my %AppHash;
6816: while (my ($setting,$type) = each(%$Settings)) {
1.496 albertel 6817: my $basename = join('.','internal',$context,$prefix,$setting);
1.300 albertel 6818: my $envname = 'environment.'.$basename;
1.258 albertel 6819: if (exists($env{'form.'.$setting})) {
1.153 matthew 6820: # Save this value away
6821: if ($type eq 'scalar' &&
1.258 albertel 6822: (! exists($env{$envname}) ||
6823: $env{$envname} ne $env{'form.'.$setting})) {
6824: $SaveHash{$basename} = $env{'form.'.$setting};
6825: $AppHash{$envname} = $env{'form.'.$setting};
1.153 matthew 6826: } elsif ($type eq 'array') {
6827: my $stored_form;
1.258 albertel 6828: if (ref($env{'form.'.$setting})) {
1.153 matthew 6829: $stored_form = join(',',
6830: map {
1.369 www 6831: &escape($_);
1.258 albertel 6832: } sort(@{$env{'form.'.$setting}}));
1.153 matthew 6833: } else {
6834: $stored_form =
1.369 www 6835: &escape($env{'form.'.$setting});
1.153 matthew 6836: }
6837: # Determine if the array contents are the same.
1.258 albertel 6838: if ($stored_form ne $env{$envname}) {
1.153 matthew 6839: $SaveHash{$basename} = $stored_form;
6840: $AppHash{$envname} = $stored_form;
6841: }
6842: }
6843: }
6844: }
6845: my $put_result = &Apache::lonnet::put('environment',\%SaveHash,
1.300 albertel 6846: $udom,$uname);
1.153 matthew 6847: if ($put_result !~ /^(ok|delayed)/) {
6848: &Apache::lonnet::logthis('unable to save form parameters, '.
6849: 'got error:'.$put_result);
6850: }
6851: # Make sure these settings stick around in this session, too
6852: &Apache::lonnet::appenv(%AppHash);
6853: return;
6854: }
6855:
6856: sub restore_course_settings {
1.499 albertel 6857: return &restore_settings($env{'request.course.id'},@_);
1.496 albertel 6858: }
6859:
6860: sub restore_settings {
6861: my ($context,$prefix,$Settings) = @_;
1.153 matthew 6862: while (my ($setting,$type) = each(%$Settings)) {
1.258 albertel 6863: next if (exists($env{'form.'.$setting}));
1.496 albertel 6864: my $envname = 'environment.internal.'.$context.'.'.$prefix.
1.153 matthew 6865: '.'.$setting;
1.258 albertel 6866: if (exists($env{$envname})) {
1.153 matthew 6867: if ($type eq 'scalar') {
1.258 albertel 6868: $env{'form.'.$setting} = $env{$envname};
1.153 matthew 6869: } elsif ($type eq 'array') {
1.258 albertel 6870: $env{'form.'.$setting} = [
1.153 matthew 6871: map {
1.369 www 6872: &unescape($_);
1.258 albertel 6873: } split(',',$env{$envname})
1.153 matthew 6874: ];
6875: }
6876: }
6877: }
1.127 matthew 6878: }
6879:
6880: ############################################################
6881: ############################################################
1.154 albertel 6882:
1.443 albertel 6883: sub commit_customrole {
6884: my ($udom,$uname,$url,$three,$four,$five,$start,$end) = @_;
6885: my $output = &mt('Assigning custom role').' "'.$five.'" by '.$four.'@'.$three.' in '.$url.
6886: ($start?', '.&mt('starting').' '.localtime($start):'').
6887: ($end?', ending '.localtime($end):'').': <b>'.
6888: &Apache::lonnet::assigncustomrole(
6889: $udom,$uname,$url,$three,$four,$five,$end,$start).
6890: '</b><br />';
6891: return $output;
6892: }
6893:
6894: sub commit_standardrole {
1.541 raeburn 6895: my ($udom,$uname,$url,$three,$start,$end,$one,$two,$sec,$context) = @_;
6896: my ($output,$logmsg,$linefeed);
6897: if ($context eq 'auto') {
6898: $linefeed = "\n";
6899: } else {
6900: $linefeed = "<br />\n";
6901: }
1.443 albertel 6902: if ($three eq 'st') {
1.541 raeburn 6903: my $result = &commit_studentrole(\$logmsg,$udom,$uname,$url,$three,$start,$end,
6904: $one,$two,$sec,$context);
6905: if (($result =~ /^error/) || ($result eq 'not_in_class') ||
6906: ($result eq 'unknown_course')) {
1.443 albertel 6907: $output = "Error: $result\n";
6908: } else {
1.541 raeburn 6909: $output = $logmsg.$linefeed.&mt('Assigning').' '.$three.' in '.$url.
1.443 albertel 6910: ($start?', '.&mt('starting').' '.localtime($start):'').
1.541 raeburn 6911: ($end?', '.&mt('ending').' '.localtime($end):'').': ';
6912: if ($context eq 'auto') {
6913: $output .= $result.$linefeed.&mt('Add to classlist').': ok';
6914: } else {
6915: $output .= '<b>'.$result.'</b>'.$linefeed.
6916: &mt('Add to classlist').': <b>ok</b>';
6917: }
6918: $output .= $linefeed;
1.443 albertel 6919: }
6920: } else {
6921: $output = &mt('Assigning').' '.$three.' in '.$url.
6922: ($start?', '.&mt('starting').' '.localtime($start):'').
1.541 raeburn 6923: ($end?', '.&mt('ending').' '.localtime($end):'').': ';
6924: my $result = &Apache::lonnet::assignrole($udom,$uname,$url,$three,$end,$start);
6925: if ($context eq 'auto') {
6926: $output .= $result.$linefeed;
6927: } else {
6928: $output .= '<b>'.$result.'</b>'.$linefeed;
6929: }
1.443 albertel 6930: }
6931: return $output;
6932: }
6933:
6934: sub commit_studentrole {
1.541 raeburn 6935: my ($logmsg,$udom,$uname,$url,$three,$start,$end,$one,$two,$sec,$context) = @_;
6936: my ($result,$linefeed);
6937: if ($context eq 'auto') {
6938: $linefeed = "\n";
6939: } else {
6940: $linefeed = '<br />'."\n";
6941: }
1.443 albertel 6942: if (defined($one) && defined($two)) {
6943: my $cid=$one.'_'.$two;
6944: my $oldsec=&Apache::lonnet::getsection($udom,$uname,$cid);
6945: my $secchange = 0;
6946: my $expire_role_result;
6947: my $modify_section_result;
6948: unless ($oldsec eq '-1') {
6949: unless ($sec eq $oldsec) {
6950: $secchange = 1;
6951: my $uurl='/'.$cid;
6952: $uurl=~s/\_/\//g;
6953: if ($oldsec) {
6954: $uurl.='/'.$oldsec;
6955: }
6956: $expire_role_result = &Apache::lonnet::assignrole($udom,$uname,$uurl,'st',time);
6957: $result = $expire_role_result;
6958: }
6959: }
6960: if (($expire_role_result eq 'ok') || ($secchange == 0)) {
6961: $modify_section_result = &Apache::lonnet::modify_student_enrollment($udom,$uname,undef,undef,undef,undef,undef,$sec,$end,$start,'','',$cid);
6962: if ($modify_section_result =~ /^ok/) {
6963: if ($secchange == 1) {
6964: $$logmsg .= "Section for $uname switched from old section: $oldsec to new section: $sec".$linefeed;
6965: } elsif ($oldsec eq '-1') {
6966: $$logmsg .= "New student role for $uname in section $sec in course $cid".$linefeed;
6967: } else {
6968: $$logmsg .= "Student $uname assigned to unchanged section $sec in course $cid".$linefeed;
6969: }
6970: } else {
6971: $$logmsg .= "Error when attempting section change for $uname from old section $oldsec to new section: $sec in course $cid -error: $modify_section_result".$linefeed;
6972: }
6973: $result = $modify_section_result;
6974: } elsif ($secchange == 1) {
6975: $$logmsg .= "Error when attempting to expire role for $uname in old section $oldsec in course $cid -error: $expire_role_result".$linefeed;
6976: }
6977: } else {
6978: $$logmsg .= "Incomplete course id defined. Addition of user $uname from domain $udom to course $one\_$two, section $sec not completed.$linefeed";
6979: $result = "error: incomplete course id\n";
6980: }
6981: return $result;
6982: }
6983:
6984: ############################################################
6985: ############################################################
6986:
1.564.2.1 albertel 6987: sub check_clone {
1.564.2.10 albertel 6988: my ($args,$linefeed) = @_;
1.564.2.1 albertel 6989: my $cloneid='/'.$args->{'clonedomain'}.'/'.$args->{'clonecourse'};
6990: my ($clonecrsudom,$clonecrsunum)= &LONCAPA::split_courseid($cloneid);
6991: my $clonehome=&Apache::lonnet::homeserver($clonecrsunum,$clonecrsudom);
6992: my $clonemsg;
6993: my $can_clone = 0;
6994:
6995: if ($clonehome eq 'no_host') {
1.564.2.10 albertel 6996: $clonemsg = &mt('No new course created.').$linefeed.&mt('A new course could not be cloned from the specified original - [_1] - because it is a non-existent course.',$args->{'clonecourse'}.':'.$args->{'clonedomain'});
1.564.2.1 albertel 6997: } else {
6998: my %clonedesc = &Apache::lonnet::coursedescription($cloneid,{'one_time' => 1});
1.564.2.2 albertel 6999: if ($env{'request.role.domain'} eq $args->{'clonedomain'}) {
1.564.2.1 albertel 7000: $can_clone = 1;
7001: } else {
7002: my %clonehash = &Apache::lonnet::get('environment',['cloners'],
7003: $args->{'clonedomain'},$args->{'clonecourse'});
7004: my @cloners = split(/,/,$clonehash{'cloners'});
1.564.2.10 albertel 7005: if (grep(/^\*$/,@cloners)) {
7006: $can_clone = 1;
7007: } elsif (grep(/^\*\:\Q$args->{'ccdomain'}\E$/,@cloners)) {
7008: $can_clone = 1;
7009: } else {
7010: my %roleshash =
7011: &Apache::lonnet::get_my_roles($args->{'ccuname'},
7012: $args->{'ccdomain'},
7013: 'userroles',['active'],['cc'],
7014: [$args->{'clonedomain'}]);
7015: if (($roleshash{$args->{'clonecourse'}.':'.$args->{'clonedomain'}.':cc'}) || (grep(/^\Q$args->{'ccuname'}\E:\Q$args->{'ccdomain'}\E$/,@cloners))) {
7016: $can_clone = 1;
7017: } else {
7018: $clonemsg = &mt('No new course created.').$linefeed.&mt('The new course could not be cloned from the existing course because the new course owner ([_1]) does not have cloning rights in the existing course ([_2]).',$args->{'ccuname'}.':'.$args->{'ccdomain'},$clonedesc{'description'});
7019: }
1.564.2.1 albertel 7020: }
1.564.2.10 albertel 7021: }
1.564.2.1 albertel 7022: }
7023: return ($can_clone, $clonemsg, $cloneid, $clonehome);
7024: }
7025:
1.444 albertel 7026: sub construct_course {
1.541 raeburn 7027: my ($args,$logmsg,$courseid,$crsudom,$crsunum,$udom,$uname,$context) = @_;
1.444 albertel 7028: my $outcome;
1.541 raeburn 7029: my $linefeed = '<br />'."\n";
7030: if ($context eq 'auto') {
7031: $linefeed = "\n";
7032: }
1.564.2.1 albertel 7033:
7034: #
7035: # Are we cloning?
7036: #
7037: my ($can_clone, $clonemsg, $cloneid, $clonehome);
7038: if (($args->{'clonecourse'}) && ($args->{'clonedomain'})) {
1.564.2.10 albertel 7039: ($can_clone, $clonemsg, $cloneid, $clonehome) = &check_clone($args,$linefeed);
1.564.2.1 albertel 7040: if ($context ne 'auto') {
1.564.2.10 albertel 7041: if ($clonemsg ne '') {
7042: $clonemsg = '<span class="LC_error">'.$clonemsg.'</span>';
7043: }
1.564.2.1 albertel 7044: }
7045: $outcome .= $clonemsg.$linefeed;
7046:
7047: if (!$can_clone) {
7048: return (0,$outcome);
7049: }
7050: }
7051:
1.444 albertel 7052: #
7053: # Open course
7054: #
7055: my $crstype = lc($args->{'crstype'});
7056: my %cenv=();
7057: $$courseid=&Apache::lonnet::createcourse($args->{'course_domain'},
7058: $args->{'cdescr'},
7059: $args->{'curl'},
7060: $args->{'course_home'},
7061: $args->{'nonstandard'},
7062: $args->{'crscode'},
7063: $args->{'ccuname'}.':'.
7064: $args->{'ccdomain'},
7065: $args->{'crstype'});
7066:
7067: # Note: The testing routines depend on this being output; see
7068: # Utils::Course. This needs to at least be output as a comment
7069: # if anyone ever decides to not show this, and Utils::Course::new
7070: # will need to be suitably modified.
1.541 raeburn 7071: $outcome .= &mt('New LON-CAPA [_1] ID: [_2]',$crstype,$$courseid).$linefeed;
1.444 albertel 7072: #
7073: # Check if created correctly
7074: #
1.479 albertel 7075: ($$crsudom,$$crsunum)= &LONCAPA::split_courseid($$courseid);
1.444 albertel 7076: my $crsuhome=&Apache::lonnet::homeserver($$crsunum,$$crsudom);
1.541 raeburn 7077: $outcome .= &mt('Created on').': '.$crsuhome.$linefeed;
1.564.2.1 albertel 7078:
1.444 albertel 7079: #
1.564.2.1 albertel 7080: # Do the cloning
7081: #
7082: if ($can_clone && $cloneid) {
7083: $clonemsg = &mt('Cloning [_1] from [_2]',$crstype,$clonehome);
7084: if ($context ne 'auto') {
7085: $clonemsg = '<span class="LC_success">'.$clonemsg.'</span>';
7086: }
7087: $outcome .= $clonemsg.$linefeed;
7088: my %oldcenv=&Apache::lonnet::dump('environment',$$crsudom,$$crsunum);
1.444 albertel 7089: # Copy all files
1.564.2.1 albertel 7090: &Apache::lonclonecourse::copycoursefiles($cloneid,$$courseid);
1.444 albertel 7091: # Restore URL
1.564.2.1 albertel 7092: $cenv{'url'}=$oldcenv{'url'};
1.444 albertel 7093: # Restore title
1.564.2.1 albertel 7094: $cenv{'description'}=$oldcenv{'description'};
1.444 albertel 7095: # restore grading mode
1.564.2.1 albertel 7096: if (defined($oldcenv{'grading'})) {
7097: $cenv{'grading'}=$oldcenv{'grading'};
1.444 albertel 7098: }
1.564.2.1 albertel 7099: # Mark as cloned
7100: $cenv{'clonedfrom'}=$cloneid;
7101: delete($cenv{'default_enrollment_start_date'});
7102: delete($cenv{'default_enrollment_end_date'});
1.444 albertel 7103: }
1.564.2.1 albertel 7104:
1.444 albertel 7105: #
7106: # Set environment (will override cloned, if existing)
7107: #
7108: my @sections = ();
7109: my @xlists = ();
7110: if ($args->{'crstype'}) {
7111: $cenv{'type'}=$args->{'crstype'};
7112: }
7113: if ($args->{'crsid'}) {
7114: $cenv{'courseid'}=$args->{'crsid'};
7115: }
7116: if ($args->{'crscode'}) {
7117: $cenv{'internal.coursecode'}=$args->{'crscode'};
7118: }
7119: if ($args->{'crsquota'} ne '') {
7120: $cenv{'internal.coursequota'}=$args->{'crsquota'};
7121: } else {
7122: $cenv{'internal.coursequota'}=$args->{'crsquota'} = 20;
7123: }
7124: if ($args->{'ccuname'}) {
7125: $cenv{'internal.courseowner'} = $args->{'ccuname'}.
7126: ':'.$args->{'ccdomain'};
7127: } else {
7128: $cenv{'internal.courseowner'} = $args->{'curruser'};
7129: }
7130:
7131: my @badclasses = (); # Used to accumulate sections/crosslistings that did not pass classlist access check for course owner.
7132: if ($args->{'crssections'}) {
7133: $cenv{'internal.sectionnums'} = '';
7134: if ($args->{'crssections'} =~ m/,/) {
7135: @sections = split/,/,$args->{'crssections'};
7136: } else {
7137: $sections[0] = $args->{'crssections'};
7138: }
7139: if (@sections > 0) {
7140: foreach my $item (@sections) {
7141: my ($sec,$gp) = split/:/,$item;
7142: my $class = $args->{'crscode'}.$sec;
7143: my $addcheck = &Apache::lonnet::auto_new_course($$crsunum,$$crsudom,$class,$cenv{'internal.courseowner'});
7144: $cenv{'internal.sectionnums'} .= $item.',';
7145: unless ($addcheck eq 'ok') {
7146: push @badclasses, $class;
7147: }
7148: }
7149: $cenv{'internal.sectionnums'} =~ s/,$//;
7150: }
7151: }
7152: # do not hide course coordinator from staff listing,
7153: # even if privileged
7154: $cenv{'nothideprivileged'}=$args->{'ccuname'}.':'.$args->{'ccdomain'};
7155: # add crosslistings
7156: if ($args->{'crsxlist'}) {
7157: $cenv{'internal.crosslistings'}='';
7158: if ($args->{'crsxlist'} =~ m/,/) {
7159: @xlists = split/,/,$args->{'crsxlist'};
7160: } else {
7161: $xlists[0] = $args->{'crsxlist'};
7162: }
7163: if (@xlists > 0) {
7164: foreach my $item (@xlists) {
7165: my ($xl,$gp) = split/:/,$item;
7166: my $addcheck = &Apache::lonnet::auto_new_course($$crsunum,$$crsudom,$xl,$cenv{'internal.courseowner'});
7167: $cenv{'internal.crosslistings'} .= $item.',';
7168: unless ($addcheck eq 'ok') {
7169: push @badclasses, $xl;
7170: }
7171: }
7172: $cenv{'internal.crosslistings'} =~ s/,$//;
7173: }
7174: }
7175: if ($args->{'autoadds'}) {
7176: $cenv{'internal.autoadds'}=$args->{'autoadds'};
7177: }
7178: if ($args->{'autodrops'}) {
7179: $cenv{'internal.autodrops'}=$args->{'autodrops'};
7180: }
7181: # check for notification of enrollment changes
7182: my @notified = ();
7183: if ($args->{'notify_owner'}) {
7184: if ($args->{'ccuname'} ne '') {
7185: push(@notified,$args->{'ccuname'}.':'.$args->{'ccdomain'});
7186: }
7187: }
7188: if ($args->{'notify_dc'}) {
7189: if ($uname ne '') {
7190: push(@notified,$uname.'@'.$udom);
7191: }
7192: }
7193: if (@notified > 0) {
7194: my $notifylist;
7195: if (@notified > 1) {
7196: $notifylist = join(',',@notified);
7197: } else {
7198: $notifylist = $notified[0];
7199: }
7200: $cenv{'internal.notifylist'} = $notifylist;
7201: }
7202: if (@badclasses > 0) {
7203: my %lt=&Apache::lonlocal::texthash(
7204: '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',
7205: 'dnhr' => 'does not have rights to access enrollment in these classes',
7206: 'adby' => 'as determined by the policies of your institution on access to official classlists'
7207: );
1.541 raeburn 7208: my $badclass_msg = $cenv{'internal.courseowner'}.') - '.$lt{'dnhr'}.
7209: ' ('.$lt{'adby'}.')';
7210: if ($context eq 'auto') {
7211: $outcome .= $badclass_msg.$linefeed;
1.564.2.1 albertel 7212: $outcome .= '<div class="LC_warning">'.$badclass_msg.$linefeed.'<ul>'."\n";
1.541 raeburn 7213: foreach my $item (@badclasses) {
7214: if ($context eq 'auto') {
7215: $outcome .= " - $item\n";
7216: } else {
7217: $outcome .= "<li>$item</li>\n";
7218: }
7219: }
7220: if ($context eq 'auto') {
7221: $outcome .= $linefeed;
7222: } else {
1.564.2.1 albertel 7223: $outcome .= "</ul><br /><br /></div>\n";
1.541 raeburn 7224: }
7225: }
1.444 albertel 7226: }
7227: if ($args->{'no_end_date'}) {
7228: $args->{'endaccess'} = 0;
7229: }
7230: $cenv{'internal.autostart'}=$args->{'enrollstart'};
7231: $cenv{'internal.autoend'}=$args->{'enrollend'};
7232: $cenv{'default_enrollment_start_date'}=$args->{'startaccess'};
7233: $cenv{'default_enrollment_end_date'}=$args->{'endaccess'};
7234: if ($args->{'showphotos'}) {
7235: $cenv{'internal.showphotos'}=$args->{'showphotos'};
7236: }
7237: $cenv{'internal.authtype'} = $args->{'authtype'};
7238: $cenv{'internal.autharg'} = $args->{'autharg'};
7239: if ( ($cenv{'internal.authtype'} =~ /^krb/) && ($cenv{'internal.autoadds'} == 1)) {
7240: if (! defined($cenv{'internal.autharg'}) || $cenv{'internal.autharg'} eq '') {
1.541 raeburn 7241: my $krb_msg = &mt('As you did not include the default Kerberos domain to be used for authentication in this class, the institutional data used by the automated enrollment process must include the Kerberos domain for each new student');
7242: if ($context eq 'auto') {
7243: $outcome .= $krb_msg;
7244: } else {
1.564.2.1 albertel 7245: $outcome .= '<span class="LC_error">'.$krb_msg.'</span>';
1.541 raeburn 7246: }
7247: $outcome .= $linefeed;
1.444 albertel 7248: }
7249: }
7250: if (($args->{'ccdomain'}) && ($args->{'ccuname'})) {
7251: if ($args->{'setpolicy'}) {
7252: $cenv{'policy.email'}=$args->{'ccuname'}.':'.$args->{'ccdomain'};
7253: }
7254: if ($args->{'setcontent'}) {
7255: $cenv{'question.email'}=$args->{'ccuname'}.':'.$args->{'ccdomain'};
7256: }
7257: }
7258: if ($args->{'reshome'}) {
7259: $cenv{'reshome'}=$args->{'reshome'}.'/';
7260: $cenv{'reshome'}=~s/\/+$/\//;
7261: }
7262: #
7263: # course has keyed access
7264: #
7265: if ($args->{'setkeys'}) {
7266: $cenv{'keyaccess'}='yes';
7267: }
7268: # if specified, key authority is not course, but user
7269: # only active if keyaccess is yes
7270: if ($args->{'keyauth'}) {
1.487 albertel 7271: my ($user,$domain) = split(':',$args->{'keyauth'});
7272: $user = &LONCAPA::clean_username($user);
7273: $domain = &LONCAPA::clean_username($domain);
1.488 foxr 7274: if ($user ne '' && $domain ne '') {
1.487 albertel 7275: $cenv{'keyauth'}=$user.':'.$domain;
1.444 albertel 7276: }
7277: }
7278:
7279: if ($args->{'disresdis'}) {
7280: $cenv{'pch.roles.denied'}='st';
7281: }
7282: if ($args->{'disablechat'}) {
7283: $cenv{'plc.roles.denied'}='st';
7284: }
7285:
7286: # Record we've not yet viewed the Course Initialization Helper for this
7287: # course
7288: $cenv{'course.helper.not.run'} = 1;
7289: #
7290: # Use new Randomseed
7291: #
7292: $cenv{'rndseed'}=&Apache::lonnet::latest_rnd_algorithm_id();;
7293: $cenv{'receiptalg'}=&Apache::lonnet::latest_receipt_algorithm_id();;
7294: #
7295: # The encryption code and receipt prefix for this course
7296: #
7297: $cenv{'internal.encseed'}=$Apache::lonnet::perlvar{'lonReceipt'}.$$.time.int(rand(9999));
7298: $cenv{'internal.encpref'}=100+int(9*rand(99));
7299: #
7300: # By default, use standard grading
7301: if (!defined($cenv{'grading'})) { $cenv{'grading'} = 'standard'; }
7302:
1.541 raeburn 7303: $outcome .= $linefeed.&mt('Setting environment').': '.
7304: &Apache::lonnet::put('environment',\%cenv,$$crsudom,$$crsunum).$linefeed;
1.444 albertel 7305: #
7306: # Open all assignments
7307: #
7308: if ($args->{'openall'}) {
7309: my $storeunder=$$crsudom.'_'.$$crsunum.'.0.opendate';
7310: my %storecontent = ($storeunder => time,
7311: $storeunder.'.type' => 'date_start');
7312:
7313: $outcome .= &mt('Opening all assignments').': '.&Apache::lonnet::cput
1.541 raeburn 7314: ('resourcedata',\%storecontent,$$crsudom,$$crsunum).$linefeed;
1.444 albertel 7315: }
7316: #
7317: # Set first page
7318: #
7319: unless (($args->{'nonstandard'}) || ($args->{'firstres'} eq 'blank')
7320: || ($cloneid)) {
1.445 albertel 7321: use LONCAPA::map;
1.444 albertel 7322: $outcome .= &mt('Setting first resource').': ';
1.445 albertel 7323:
7324: my $map = '/uploaded/'.$$crsudom.'/'.$$crsunum.'/default.sequence';
7325: my ($errtext,$fatal)=&LONCAPA::map::mapread($map);
7326:
1.444 albertel 7327: $outcome .= ($fatal?$errtext:'read ok').' - ';
7328: my $title; my $url;
7329: if ($args->{'firstres'} eq 'syl') {
7330: $title='Syllabus';
7331: $url='/public/'.$$crsudom.'/'.$$crsunum.'/syllabus';
7332: } else {
7333: $title='Navigate Contents';
7334: $url='/adm/navmaps';
7335: }
1.445 albertel 7336:
7337: $LONCAPA::map::resources[1]=$title.':'.$url.':false:start:res';
7338: (my $outtext,$errtext) = &LONCAPA::map::storemap($map,1);
7339:
7340: if ($errtext) { $fatal=2; }
1.541 raeburn 7341: $outcome .= ($fatal?$errtext:'write ok').$linefeed;
1.444 albertel 7342: }
1.564.2.1 albertel 7343:
7344: return (1,$outcome);
1.444 albertel 7345: }
7346:
7347: ############################################################
7348: ############################################################
7349:
1.378 raeburn 7350: sub course_type {
7351: my ($cid) = @_;
7352: if (!defined($cid)) {
7353: $cid = $env{'request.course.id'};
7354: }
1.404 albertel 7355: if (defined($env{'course.'.$cid.'.type'})) {
7356: return $env{'course.'.$cid.'.type'};
1.378 raeburn 7357: } else {
7358: return 'Course';
1.377 raeburn 7359: }
7360: }
1.156 albertel 7361:
1.406 raeburn 7362: sub group_term {
7363: my $crstype = &course_type();
7364: my %names = (
7365: 'Course' => 'group',
7366: 'Group' => 'team',
7367: );
7368: return $names{$crstype};
7369: }
7370:
1.156 albertel 7371: sub icon {
7372: my ($file)=@_;
1.505 albertel 7373: my $curfext = lc((split(/\./,$file))[-1]);
1.168 albertel 7374: my $iconname=$Apache::lonnet::perlvar{'lonIconsURL'}.'/unknown.gif';
1.156 albertel 7375: my $embstyle = &Apache::loncommon::fileembstyle($curfext);
1.168 albertel 7376: if (!(!defined($embstyle) || $embstyle eq 'unk' || $embstyle eq 'hdn')) {
7377: if (-e $Apache::lonnet::perlvar{'lonDocRoot'}.'/'.
7378: $Apache::lonnet::perlvar{'lonIconsURL'}.'/'.
7379: $curfext.".gif") {
7380: $iconname=$Apache::lonnet::perlvar{'lonIconsURL'}.'/'.
7381: $curfext.".gif";
7382: }
7383: }
1.249 albertel 7384: return &lonhttpdurl($iconname);
1.154 albertel 7385: }
1.84 albertel 7386:
1.564.2.4 albertel 7387: sub lonhttpd_port {
1.215 albertel 7388: my $lonhttpd_port=$Apache::lonnet::perlvar{'lonhttpdPort'};
7389: if (!defined($lonhttpd_port)) { $lonhttpd_port='8080'; }
1.564.2.3 albertel 7390: # IE doesn't like a secure page getting images from a non-secure
7391: # port (when logging we haven't parsed the browser type so default
7392: # back to secure
7393: if ((!exists($env{'browser.type'}) || $env{'browser.type'} eq 'explorer')
7394: && $ENV{'SERVER_PORT'} == 443) {
1.564.2.4 albertel 7395: return 443;
7396: }
7397: return $lonhttpd_port;
7398:
7399: }
7400:
7401: sub lonhttpdurl {
7402: my ($url)=@_;
7403:
7404: my $lonhttpd_port = &lonhttpd_port();
7405: if ($lonhttpd_port == 443) {
1.564.2.3 albertel 7406: return 'https://'.$ENV{'SERVER_NAME'}.$url;
7407: }
1.215 albertel 7408: return 'http://'.$ENV{'SERVER_NAME'}.':'.$lonhttpd_port.$url;
7409: }
7410:
1.213 albertel 7411: sub connection_aborted {
7412: my ($r)=@_;
7413: $r->print(" ");$r->rflush();
7414: my $c = $r->connection;
7415: return $c->aborted();
7416: }
7417:
1.221 foxr 7418: # Escapes strings that may have embedded 's that will be put into
1.222 foxr 7419: # strings as 'strings'.
7420: sub escape_single {
1.221 foxr 7421: my ($input) = @_;
1.223 albertel 7422: $input =~ s/\\/\\\\/g; # Escape the \'s..(must be first)>
1.221 foxr 7423: $input =~ s/\'/\\\'/g; # Esacpe the 's....
7424: return $input;
7425: }
1.223 albertel 7426:
1.222 foxr 7427: # Same as escape_single, but escape's "'s This
7428: # can be used for "strings"
7429: sub escape_double {
7430: my ($input) = @_;
7431: $input =~ s/\\/\\\\/g; # Escape the /'s..(must be first)>
7432: $input =~ s/\"/\\\"/g; # Esacpe the "s....
7433: return $input;
7434: }
1.223 albertel 7435:
1.222 foxr 7436: # Escapes the last element of a full URL.
7437: sub escape_url {
7438: my ($url) = @_;
1.238 raeburn 7439: my @urlslices = split(/\//, $url,-1);
1.369 www 7440: my $lastitem = &escape(pop(@urlslices));
1.223 albertel 7441: return join('/',@urlslices).'/'.$lastitem;
1.222 foxr 7442: }
1.462 albertel 7443:
7444: # -------------------------------------------------------- Initliaze user login
7445: sub init_user_environment {
1.463 albertel 7446: my ($r, $username, $domain, $authhost, $form, $args) = @_;
1.462 albertel 7447: my $lonids=$Apache::lonnet::perlvar{'lonIDsDir'};
7448:
7449: my $public=($username eq 'public' && $domain eq 'public');
7450:
7451: # See if old ID present, if so, remove
7452:
7453: my ($filename,$cookie,$userroles);
7454: my $now=time;
7455:
7456: if ($public) {
7457: my $max_public=100;
7458: my $oldest;
7459: my $oldest_time=0;
7460: for(my $next=1;$next<=$max_public;$next++) {
7461: if (-e $lonids."/publicuser_$next.id") {
7462: my $mtime=(stat($lonids."/publicuser_$next.id"))[9];
7463: if ($mtime<$oldest_time || !$oldest_time) {
7464: $oldest_time=$mtime;
7465: $oldest=$next;
7466: }
7467: } else {
7468: $cookie="publicuser_$next";
7469: last;
7470: }
7471: }
7472: if (!$cookie) { $cookie="publicuser_$oldest"; }
7473: } else {
1.463 albertel 7474: # if this isn't a robot, kill any existing non-robot sessions
7475: if (!$args->{'robot'}) {
7476: opendir(DIR,$lonids);
7477: while ($filename=readdir(DIR)) {
7478: if ($filename=~/^$username\_\d+\_$domain\_$authhost\.id$/) {
7479: unlink($lonids.'/'.$filename);
7480: }
1.462 albertel 7481: }
1.463 albertel 7482: closedir(DIR);
1.462 albertel 7483: }
7484: # Give them a new cookie
1.463 albertel 7485: my $id = ($args->{'robot'} ? 'robot'.$args->{'robot'}
7486: : $now);
7487: $cookie="$username\_$id\_$domain\_$authhost";
1.462 albertel 7488:
7489: # Initialize roles
7490:
7491: $userroles=&Apache::lonnet::rolesinit($domain,$username,$authhost);
7492: }
7493: # ------------------------------------ Check browser type and MathML capability
7494:
7495: my ($httpbrowser,$clientbrowser,$clientversion,$clientmathml,
7496: $clientunicode,$clientos) = &decode_user_agent($r);
7497:
7498: # -------------------------------------- Any accessibility options to remember?
7499: if (($form->{'interface'}) && ($form->{'remember'} eq 'true')) {
7500: foreach my $option ('imagesuppress','appletsuppress',
7501: 'embedsuppress','fontenhance','blackwhite') {
7502: if ($form->{$option} eq 'true') {
7503: &Apache::lonnet::put('environment',{$option => 'on'},
7504: $domain,$username);
7505: } else {
7506: &Apache::lonnet::del('environment',[$option],
7507: $domain,$username);
7508: }
7509: }
7510: }
7511: # ------------------------------------------------------------- Get environment
7512:
7513: my %userenv = &Apache::lonnet::dump('environment',$domain,$username);
7514: my ($tmp) = keys(%userenv);
7515: if ($tmp !~ /^(con_lost|error|no_such_host)/i) {
7516: # default remote control to off
7517: if ($userenv{'remote'} ne 'on') { $userenv{'remote'} = 'off'; }
7518: } else {
7519: undef(%userenv);
7520: }
7521: if (($userenv{'interface'}) && (!$form->{'interface'})) {
7522: $form->{'interface'}=$userenv{'interface'};
7523: }
7524: $env{'environment.remote'}=$userenv{'remote'};
7525: if ($userenv{'texengine'} eq 'ttm') { $clientmathml=1; }
7526:
7527: # --------------- Do not trust query string to be put directly into environment
7528: foreach my $option ('imagesuppress','appletsuppress',
7529: 'embedsuppress','fontenhance','blackwhite',
7530: 'interface','localpath','localres') {
7531: $form->{$option}=~s/[\n\r\=]//gs;
7532: }
7533: # --------------------------------------------------------- Write first profile
7534:
7535: {
7536: my %initial_env =
7537: ("user.name" => $username,
7538: "user.domain" => $domain,
7539: "user.home" => $authhost,
7540: "browser.type" => $clientbrowser,
7541: "browser.version" => $clientversion,
7542: "browser.mathml" => $clientmathml,
7543: "browser.unicode" => $clientunicode,
7544: "browser.os" => $clientos,
7545: "server.domain" => $Apache::lonnet::perlvar{'lonDefDomain'},
7546: "request.course.fn" => '',
7547: "request.course.uri" => '',
7548: "request.course.sec" => '',
7549: "request.role" => 'cm',
7550: "request.role.adv" => $env{'user.adv'},
7551: "request.host" => $ENV{'REMOTE_ADDR'},);
7552:
7553: if ($form->{'localpath'}) {
7554: $initial_env{"browser.localpath"} = $form->{'localpath'};
7555: $initial_env{"browser.localres"} = $form->{'localres'};
7556: }
7557:
7558: if ($public) {
7559: $initial_env{"environment.remote"} = "off";
7560: }
7561: if ($form->{'interface'}) {
7562: $form->{'interface'}=~s/\W//gs;
7563: $initial_env{"browser.interface"} = $form->{'interface'};
7564: $env{'browser.interface'}=$form->{'interface'};
7565: foreach my $option ('imagesuppress','appletsuppress',
7566: 'embedsuppress','fontenhance','blackwhite') {
7567: if (($form->{$option} eq 'true') ||
7568: ($userenv{$option} eq 'on')) {
7569: $initial_env{"browser.$option"} = "on";
7570: }
7571: }
7572: }
7573:
7574: $env{'user.environment'} = "$lonids/$cookie.id";
7575:
7576: if (tie(my %disk_env,'GDBM_File',"$lonids/$cookie.id",
7577: &GDBM_WRCREAT(),0640)) {
7578: &_add_to_env(\%disk_env,\%initial_env);
7579: &_add_to_env(\%disk_env,\%userenv,'environment.');
7580: &_add_to_env(\%disk_env,$userroles);
1.463 albertel 7581: if (ref($args->{'extra_env'})) {
7582: &_add_to_env(\%disk_env,$args->{'extra_env'});
7583: }
1.462 albertel 7584: untie(%disk_env);
7585: } else {
7586: &Apache::lonnet::logthis("<font color=\"blue\">WARNING: ".
7587: 'Could not create environment storage in lonauth: '.$!.'</font>');
7588: return 'error: '.$!;
7589: }
7590: }
7591: $env{'request.role'}='cm';
7592: $env{'request.role.adv'}=$env{'user.adv'};
7593: $env{'browser.type'}=$clientbrowser;
7594:
7595: return $cookie;
7596:
7597: }
7598:
7599: sub _add_to_env {
7600: my ($idf,$env_data,$prefix) = @_;
7601: while (my ($key,$value) = each(%$env_data)) {
7602: $idf->{$prefix.$key} = $value;
7603: $env{$prefix.$key} = $value;
7604: }
7605: }
7606:
7607:
1.41 ng 7608: =pod
7609:
7610: =back
7611:
1.112 bowersj2 7612: =cut
1.41 ng 7613:
1.112 bowersj2 7614: 1;
7615: __END__;
1.41 ng 7616:
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