Annotation of loncom/interface/loncommon.pm, revision 1.558
1.10 albertel 1: # The LearningOnline Network with CAPA
1.1 albertel 2: # a pile of common routines
1.10 albertel 3: #
1.558 ! albertel 4: # $Id: loncommon.pm,v 1.557 2007/07/31 18:22:02 albertel Exp $
1.10 albertel 5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: #
26: # http://www.lon-capa.org/
27: #
1.1 albertel 28:
29: # Makes a table out of the previous attempts
1.2 albertel 30: # Inputs result_from_symbread, user, domain, course_id
1.16 harris41 31: # Reads in non-network-related .tab files
1.1 albertel 32:
1.35 matthew 33: # POD header:
34:
1.45 matthew 35: =pod
36:
1.35 matthew 37: =head1 NAME
38:
39: Apache::loncommon - pile of common routines
40:
41: =head1 SYNOPSIS
42:
1.112 bowersj2 43: Common routines for manipulating connections, student answers,
44: domains, common Javascript fragments, etc.
1.35 matthew 45:
1.112 bowersj2 46: =head1 OVERVIEW
1.35 matthew 47:
1.112 bowersj2 48: A collection of commonly used subroutines that don't have a natural
49: home anywhere else. This collection helps remove
1.35 matthew 50: redundancy from other modules and increase efficiency of memory usage.
51:
52: =cut
53:
54: # End of POD header
1.1 albertel 55: package Apache::loncommon;
56:
57: use strict;
1.258 albertel 58: use Apache::lonnet;
1.46 matthew 59: use GDBM_File;
1.51 www 60: use POSIX qw(strftime mktime);
1.82 www 61: use Apache::lonmenu();
1.498 albertel 62: use Apache::lonenc();
1.117 www 63: use Apache::lonlocal;
1.139 matthew 64: use HTML::Entities;
1.334 albertel 65: use Apache::lonhtmlcommon();
66: use Apache::loncoursedata();
1.344 albertel 67: use Apache::lontexconvert();
1.444 albertel 68: use Apache::lonclonecourse();
1.479 albertel 69: use LONCAPA qw(:DEFAULT :match);
1.117 www 70:
1.517 raeburn 71: # ---------------------------------------------- Designs
72: use vars qw(%defaultdesign);
73:
1.22 www 74: my $readit;
75:
1.517 raeburn 76:
1.157 matthew 77: ##
78: ## Global Variables
79: ##
1.46 matthew 80:
1.20 www 81: # ----------------------------------------------- Filetypes/Languages/Copyright
1.12 harris41 82: my %language;
1.124 www 83: my %supported_language;
1.12 harris41 84: my %cprtag;
1.192 taceyjo1 85: my %scprtag;
1.351 www 86: my %fe; my %fd; my %fm;
1.41 ng 87: my %category_extensions;
1.12 harris41 88:
1.46 matthew 89: # ---------------------------------------------- Thesaurus variables
1.144 matthew 90: #
91: # %Keywords:
92: # A hash used by &keyword to determine if a word is considered a keyword.
93: # $thesaurus_db_file
94: # Scalar containing the full path to the thesaurus database.
1.46 matthew 95:
96: my %Keywords;
97: my $thesaurus_db_file;
98:
1.144 matthew 99: #
100: # Initialize values from language.tab, copyright.tab, filetypes.tab,
101: # thesaurus.tab, and filecategories.tab.
102: #
1.18 www 103: BEGIN {
1.46 matthew 104: # Variable initialization
105: $thesaurus_db_file = $Apache::lonnet::perlvar{'lonTabDir'}."/thesaurus.db";
106: #
1.22 www 107: unless ($readit) {
1.12 harris41 108: # ------------------------------------------------------------------- languages
109: {
1.158 raeburn 110: my $langtabfile = $Apache::lonnet::perlvar{'lonTabDir'}.
111: '/language.tab';
112: if ( open(my $fh,"<$langtabfile") ) {
1.356 albertel 113: while (my $line = <$fh>) {
114: next if ($line=~/^\#/);
115: chomp($line);
116: my ($key,$two,$country,$three,$enc,$val,$sup)=(split(/\t/,$line));
1.158 raeburn 117: $language{$key}=$val.' - '.$enc;
118: if ($sup) {
119: $supported_language{$key}=$sup;
120: }
121: }
122: close($fh);
123: }
1.12 harris41 124: }
125: # ------------------------------------------------------------------ copyrights
126: {
1.158 raeburn 127: my $copyrightfile = $Apache::lonnet::perlvar{'lonIncludes'}.
128: '/copyright.tab';
129: if ( open (my $fh,"<$copyrightfile") ) {
1.356 albertel 130: while (my $line = <$fh>) {
131: next if ($line=~/^\#/);
132: chomp($line);
133: my ($key,$val)=(split(/\s+/,$line,2));
1.158 raeburn 134: $cprtag{$key}=$val;
135: }
136: close($fh);
137: }
1.12 harris41 138: }
1.351 www 139: # ----------------------------------------------------------- source copyrights
1.192 taceyjo1 140: {
141: my $sourcecopyrightfile = $Apache::lonnet::perlvar{'lonIncludes'}.
142: '/source_copyright.tab';
143: if ( open (my $fh,"<$sourcecopyrightfile") ) {
1.356 albertel 144: while (my $line = <$fh>) {
145: next if ($line =~ /^\#/);
146: chomp($line);
147: my ($key,$val)=(split(/\s+/,$line,2));
1.192 taceyjo1 148: $scprtag{$key}=$val;
149: }
150: close($fh);
151: }
152: }
1.63 www 153:
1.517 raeburn 154: # -------------------------------------------------------------- default domain designs
1.63 www 155: my $designdir=$Apache::lonnet::perlvar{'lonTabDir'}.'/lonDomColors';
1.517 raeburn 156: my $designfile = $designdir.'/default.tab';
157: if ( open (my $fh,"<$designfile") ) {
158: while (my $line = <$fh>) {
159: next if ($line =~ /^\#/);
160: chomp($line);
161: my ($key,$val)=(split(/\=/,$line));
162: if ($val) { $defaultdesign{$key}=$val; }
163: }
164: close($fh);
1.63 www 165: }
166:
1.15 harris41 167: # ------------------------------------------------------------- file categories
168: {
1.158 raeburn 169: my $categoryfile = $Apache::lonnet::perlvar{'lonTabDir'}.
170: '/filecategories.tab';
171: if ( open (my $fh,"<$categoryfile") ) {
1.356 albertel 172: while (my $line = <$fh>) {
173: next if ($line =~ /^\#/);
174: chomp($line);
175: my ($extension,$category)=(split(/\s+/,$line,2));
1.158 raeburn 176: push @{$category_extensions{lc($category)}},$extension;
177: }
178: close($fh);
179: }
180:
1.15 harris41 181: }
1.12 harris41 182: # ------------------------------------------------------------------ file types
183: {
1.158 raeburn 184: my $typesfile = $Apache::lonnet::perlvar{'lonTabDir'}.
185: '/filetypes.tab';
186: if ( open (my $fh,"<$typesfile") ) {
1.356 albertel 187: while (my $line = <$fh>) {
188: next if ($line =~ /^\#/);
189: chomp($line);
190: my ($ending,$emb,$mime,$descr)=split(/\s+/,$line,4);
1.158 raeburn 191: if ($descr ne '') {
192: $fe{$ending}=lc($emb);
193: $fd{$ending}=$descr;
1.351 www 194: if ($mime ne 'unk') { $fm{$ending}=$mime; }
1.158 raeburn 195: }
196: }
197: close($fh);
198: }
1.12 harris41 199: }
1.22 www 200: &Apache::lonnet::logthis(
1.46 matthew 201: "<font color=yellow>INFO: Read file types</font>");
1.22 www 202: $readit=1;
1.46 matthew 203: } # end of unless($readit)
1.32 matthew 204:
205: }
1.112 bowersj2 206:
1.42 matthew 207: ###############################################################
208: ## HTML and Javascript Helper Functions ##
209: ###############################################################
210:
211: =pod
212:
1.112 bowersj2 213: =head1 HTML and Javascript Functions
1.42 matthew 214:
1.112 bowersj2 215: =over 4
216:
217: =item * browser_and_searcher_javascript ()
218:
219: X<browsing, javascript>X<searching, javascript>Returns a string
220: containing javascript with two functions, C<openbrowser> and
221: C<opensearcher>. Returned string does not contain E<lt>scriptE<gt>
222: tags.
1.42 matthew 223:
1.112 bowersj2 224: =item * openbrowser(formname,elementname,only,omit) [javascript]
1.42 matthew 225:
226: inputs: formname, elementname, only, omit
227:
228: formname and elementname indicate the name of the html form and name of
229: the element that the results of the browsing selection are to be placed in.
230:
231: Specifying 'only' will restrict the browser to displaying only files
1.185 www 232: with the given extension. Can be a comma separated list.
1.42 matthew 233:
234: Specifying 'omit' will restrict the browser to NOT displaying files
1.185 www 235: with the given extension. Can be a comma separated list.
1.42 matthew 236:
1.112 bowersj2 237: =item * opensearcher(formname, elementname) [javascript]
1.42 matthew 238:
239: Inputs: formname, elementname
240:
241: formname and elementname specify the name of the html form and the name
242: of the element the selection from the search results will be placed in.
1.542 raeburn 243:
1.42 matthew 244: =cut
245:
246: sub browser_and_searcher_javascript {
1.199 albertel 247: my ($mode)=@_;
248: if (!defined($mode)) { $mode='edit'; }
1.453 albertel 249: my $resurl=&escape_single(&lastresurl());
1.42 matthew 250: return <<END;
1.219 albertel 251: // <!-- BEGIN LON-CAPA Internal
1.50 matthew 252: var editbrowser = null;
1.135 albertel 253: function openbrowser(formname,elementname,only,omit,titleelement) {
1.170 www 254: var url = '$resurl/?';
1.42 matthew 255: if (editbrowser == null) {
256: url += 'launch=1&';
257: }
258: url += 'catalogmode=interactive&';
1.199 albertel 259: url += 'mode=$mode&';
1.42 matthew 260: url += 'form=' + formname + '&';
261: if (only != null) {
262: url += 'only=' + only + '&';
1.217 albertel 263: } else {
264: url += 'only=&';
265: }
1.42 matthew 266: if (omit != null) {
267: url += 'omit=' + omit + '&';
1.217 albertel 268: } else {
269: url += 'omit=&';
270: }
1.135 albertel 271: if (titleelement != null) {
272: url += 'titleelement=' + titleelement + '&';
1.217 albertel 273: } else {
274: url += 'titleelement=&';
275: }
1.42 matthew 276: url += 'element=' + elementname + '';
277: var title = 'Browser';
1.435 albertel 278: var options = 'scrollbars=1,resizable=1,menubar=0,toolbar=1,location=1';
1.42 matthew 279: options += ',width=700,height=600';
280: editbrowser = open(url,title,options,'1');
281: editbrowser.focus();
282: }
283: var editsearcher;
1.135 albertel 284: function opensearcher(formname,elementname,titleelement) {
1.42 matthew 285: var url = '/adm/searchcat?';
286: if (editsearcher == null) {
287: url += 'launch=1&';
288: }
289: url += 'catalogmode=interactive&';
1.199 albertel 290: url += 'mode=$mode&';
1.42 matthew 291: url += 'form=' + formname + '&';
1.135 albertel 292: if (titleelement != null) {
293: url += 'titleelement=' + titleelement + '&';
1.217 albertel 294: } else {
295: url += 'titleelement=&';
296: }
1.42 matthew 297: url += 'element=' + elementname + '';
298: var title = 'Search';
1.435 albertel 299: var options = 'scrollbars=1,resizable=1,menubar=0,toolbar=1,location=1';
1.42 matthew 300: options += ',width=700,height=600';
301: editsearcher = open(url,title,options,'1');
302: editsearcher.focus();
303: }
1.219 albertel 304: // END LON-CAPA Internal -->
1.42 matthew 305: END
1.170 www 306: }
307:
308: sub lastresurl {
1.258 albertel 309: if ($env{'environment.lastresurl'}) {
310: return $env{'environment.lastresurl'}
1.170 www 311: } else {
312: return '/res';
313: }
314: }
315:
316: sub storeresurl {
317: my $resurl=&Apache::lonnet::clutter(shift);
318: unless ($resurl=~/^\/res/) { return 0; }
319: $resurl=~s/\/$//;
320: &Apache::lonnet::put('environment',{'lastresurl' => $resurl});
321: &Apache::lonnet::appenv('environment.lastresurl' => $resurl);
322: return 1;
1.42 matthew 323: }
324:
1.74 www 325: sub studentbrowser_javascript {
1.111 www 326: unless (
1.258 albertel 327: (($env{'request.course.id'}) &&
1.302 albertel 328: (&Apache::lonnet::allowed('srm',$env{'request.course.id'})
329: || &Apache::lonnet::allowed('srm',$env{'request.course.id'}.
330: '/'.$env{'request.course.sec'})
331: ))
1.258 albertel 332: || ($env{'request.role'}=~/^(au|dc|su)/)
1.111 www 333: ) { return ''; }
1.74 www 334: return (<<'ENDSTDBRW');
335: <script type="text/javascript" language="Javascript" >
336: var stdeditbrowser;
1.558 ! albertel 337: function openstdbrowser(formname,uname,udom,roleflag,ignorefilter) {
1.74 www 338: var url = '/adm/pickstudent?';
339: var filter;
1.558 ! albertel 340: if (!ignorefilter) {
! 341: eval('filter=document.'+formname+'.'+uname+'.value;');
! 342: }
1.74 www 343: if (filter != null) {
344: if (filter != '') {
345: url += 'filter='+filter+'&';
346: }
347: }
348: url += 'form=' + formname + '&unameelement='+uname+
349: '&udomelement='+udom;
1.111 www 350: if (roleflag) { url+="&roles=1"; }
1.102 www 351: var title = 'Student_Browser';
1.74 www 352: var options = 'scrollbars=1,resizable=1,menubar=0';
353: options += ',width=700,height=600';
354: stdeditbrowser = open(url,title,options,'1');
355: stdeditbrowser.focus();
356: }
357: </script>
358: ENDSTDBRW
359: }
1.42 matthew 360:
1.74 www 361: sub selectstudent_link {
1.111 www 362: my ($form,$unameele,$udomele)=@_;
1.258 albertel 363: if ($env{'request.course.id'}) {
1.302 albertel 364: if (!&Apache::lonnet::allowed('srm',$env{'request.course.id'})
365: && !&Apache::lonnet::allowed('srm',$env{'request.course.id'}.
366: '/'.$env{'request.course.sec'})) {
1.111 www 367: return '';
368: }
369: return "<a href='".'javascript:openstdbrowser("'.$form.'","'.$unameele.
1.558 ! albertel 370: '","'.$udomele.'","","1");'."'>".&mt('Select User')."</a>";
1.74 www 371: }
1.258 albertel 372: if ($env{'request.role'}=~/^(au|dc|su)/) {
1.111 www 373: return "<a href='".'javascript:openstdbrowser("'.$form.'","'.$unameele.
1.119 www 374: '","'.$udomele.'",1);'."'>".&mt('Select User')."</a>";
1.111 www 375: }
376: return '';
1.91 www 377: }
378:
379: sub coursebrowser_javascript {
1.468 raeburn 380: my ($domainfilter,$sec_element,$formname)=@_;
1.377 raeburn 381: my $crs_or_grp_alert = &mt('Please select the type of LON-CAPA entity - Course or Group - for which you wish to add/modify a user role');
1.468 raeburn 382: my $output = '
1.538 albertel 383: <script type="text/javascript">
1.468 raeburn 384: var stdeditbrowser;'."\n";
385: $output .= <<"ENDSTDBRW";
1.377 raeburn 386: function opencrsbrowser(formname,uname,udom,desc,extra_element,multflag,crstype) {
1.91 www 387: var url = '/adm/pickcourse?';
1.468 raeburn 388: var domainfilter = '';
389: var formid = getFormIdByName(formname);
390: if (formid > -1) {
391: var domid = getIndexByName(formid,udom);
392: if (domid > -1) {
393: if (document.forms[formid].elements[domid].type == 'select-one') {
394: domainfilter=document.forms[formid].elements[domid].options[document.forms[formid].elements[domid].selectedIndex].value;
395: }
396: if (document.forms[formid].elements[domid].type == 'hidden') {
397: domainfilter=document.forms[formid].elements[domid].value;
398: }
399: }
1.91 www 400: }
1.128 albertel 401: if (domainfilter != null) {
402: if (domainfilter != '') {
403: url += 'domainfilter='+domainfilter+'&';
404: }
405: }
1.91 www 406: url += 'form=' + formname + '&cnumelement='+uname+
1.187 albertel 407: '&cdomelement='+udom+
408: '&cnameelement='+desc;
1.468 raeburn 409: if (extra_element !=null && extra_element != '') {
410: if (formname == 'rolechoice') {
411: url += '&roleelement='+extra_element;
412: if (domainfilter == null || domainfilter == '') {
413: url += '&domainfilter='+extra_element;
414: }
1.234 raeburn 415: }
1.468 raeburn 416: else {
417: if (formname == 'portform') {
418: url += '&setroles='+extra_element;
419: }
420: }
1.230 raeburn 421: }
1.293 raeburn 422: if (multflag !=null && multflag != '') {
423: url += '&multiple='+multflag;
424: }
1.377 raeburn 425: if (crstype == 'Course/Group') {
426: if (formname == 'cu') {
427: crstype = document.cu.crstype.options[document.cu.crstype.selectedIndex].value;
428: if (crstype == "") {
429: alert("$crs_or_grp_alert");
430: return;
431: }
432: }
433: }
434: if (crstype !=null && crstype != '') {
435: url += '&type='+crstype;
436: }
1.102 www 437: var title = 'Course_Browser';
1.91 www 438: var options = 'scrollbars=1,resizable=1,menubar=0';
439: options += ',width=700,height=600';
440: stdeditbrowser = open(url,title,options,'1');
441: stdeditbrowser.focus();
442: }
1.468 raeburn 443:
444: function getFormIdByName(formname) {
445: for (var i=0;i<document.forms.length;i++) {
446: if (document.forms[i].name == formname) {
447: return i;
448: }
449: }
450: return -1;
451: }
452:
453: function getIndexByName(formid,item) {
454: for (var i=0;i<document.forms[formid].elements.length;i++) {
455: if (document.forms[formid].elements[i].name == item) {
456: return i;
457: }
458: }
459: return -1;
460: }
1.91 www 461: ENDSTDBRW
1.468 raeburn 462: if ($sec_element ne '') {
463: $output .= &setsec_javascript($sec_element,$formname);
464: }
465: $output .= '
466: </script>';
467: return $output;
468: }
469:
470: sub setsec_javascript {
471: my ($sec_element,$formname) = @_;
472: my $setsections = qq|
473: function setSect(sectionlist) {
474: var sectionsArray = sectionlist.split(",");
475: var numSections = sectionsArray.length;
476: document.$formname.$sec_element.length = 0;
477: if (numSections == 0) {
478: document.$formname.$sec_element.multiple=false;
479: document.$formname.$sec_element.size=1;
480: document.$formname.$sec_element.options[0] = new Option('No existing sections','',false,false)
481: } else {
482: if (numSections == 1) {
483: document.$formname.$sec_element.multiple=false;
484: document.$formname.$sec_element.size=1;
485: document.$formname.$sec_element.options[0] = new Option('Select','',true,true);
486: document.$formname.$sec_element.options[1] = new Option('No section','',false,false)
487: document.$formname.$sec_element.options[2] = new Option(sectionsArray[0],sectionsArray[0],false,false);
488: } else {
489: for (var i=0; i<numSections; i++) {
490: document.$formname.$sec_element.options[i] = new Option(sectionsArray[i],sectionsArray[i],false,false)
491: }
492: document.$formname.$sec_element.multiple=true
493: if (numSections < 3) {
494: document.$formname.$sec_element.size=numSections;
495: } else {
496: document.$formname.$sec_element.size=3;
497: }
498: document.$formname.$sec_element.options[0].selected = false
499: }
500: }
1.91 www 501: }
1.468 raeburn 502: |;
503: return $setsections;
504: }
505:
1.91 www 506:
507: sub selectcourse_link {
1.377 raeburn 508: my ($form,$unameele,$udomele,$desc,$extra_element,$multflag,$selecttype)=@_;
1.492 albertel 509: return "<a href='".'javascript:opencrsbrowser("'.$form.'","'.$unameele.
510: '","'.$udomele.'","'.$desc.'","'.$extra_element.'","'.$multflag.'","'.$selecttype.'");'."'>".&mt('Select Course')."</a>";
1.74 www 511: }
1.42 matthew 512:
1.273 raeburn 513: sub check_uncheck_jscript {
514: my $jscript = <<"ENDSCRT";
515: function checkAll(field) {
516: if (field.length > 0) {
517: for (i = 0; i < field.length; i++) {
518: field[i].checked = true ;
519: }
520: } else {
521: field.checked = true
522: }
523: }
524:
525: function uncheckAll(field) {
526: if (field.length > 0) {
527: for (i = 0; i < field.length; i++) {
528: field[i].checked = false ;
1.543 albertel 529: }
530: } else {
1.273 raeburn 531: field.checked = false ;
532: }
533: }
534: ENDSCRT
535: return $jscript;
536: }
537:
538:
1.42 matthew 539: =pod
1.36 matthew 540:
1.112 bowersj2 541: =item * linked_select_forms(...)
1.36 matthew 542:
543: linked_select_forms returns a string containing a <script></script> block
544: and html for two <select> menus. The select menus will be linked in that
545: changing the value of the first menu will result in new values being placed
546: in the second menu. The values in the select menu will appear in alphabetical
547: order.
548:
549: linked_select_forms takes the following ordered inputs:
550:
551: =over 4
552:
1.112 bowersj2 553: =item * $formname, the name of the <form> tag
1.36 matthew 554:
1.112 bowersj2 555: =item * $middletext, the text which appears between the <select> tags
1.36 matthew 556:
1.112 bowersj2 557: =item * $firstdefault, the default value for the first menu
1.36 matthew 558:
1.112 bowersj2 559: =item * $firstselectname, the name of the first <select> tag
1.36 matthew 560:
1.112 bowersj2 561: =item * $secondselectname, the name of the second <select> tag
1.36 matthew 562:
1.112 bowersj2 563: =item * $hashref, a reference to a hash containing the data for the menus.
1.36 matthew 564:
1.41 ng 565: =back
566:
1.36 matthew 567: Below is an example of such a hash. Only the 'text', 'default', and
568: 'select2' keys must appear as stated. keys(%menu) are the possible
569: values for the first select menu. The text that coincides with the
1.41 ng 570: first menu value is given in $menu{$choice1}->{'text'}. The values
1.36 matthew 571: and text for the second menu are given in the hash pointed to by
572: $menu{$choice1}->{'select2'}.
573:
1.112 bowersj2 574: my %menu = ( A1 => { text =>"Choice A1" ,
575: default => "B3",
576: select2 => {
577: B1 => "Choice B1",
578: B2 => "Choice B2",
579: B3 => "Choice B3",
580: B4 => "Choice B4"
581: }
582: },
583: A2 => { text =>"Choice A2" ,
584: default => "C2",
585: select2 => {
586: C1 => "Choice C1",
587: C2 => "Choice C2",
588: C3 => "Choice C3"
589: }
590: },
591: A3 => { text =>"Choice A3" ,
592: default => "D6",
593: select2 => {
594: D1 => "Choice D1",
595: D2 => "Choice D2",
596: D3 => "Choice D3",
597: D4 => "Choice D4",
598: D5 => "Choice D5",
599: D6 => "Choice D6",
600: D7 => "Choice D7"
601: }
602: }
603: );
1.36 matthew 604:
605: =cut
606:
607: sub linked_select_forms {
608: my ($formname,
609: $middletext,
610: $firstdefault,
611: $firstselectname,
612: $secondselectname,
613: $hashref
614: ) = @_;
615: my $second = "document.$formname.$secondselectname";
616: my $first = "document.$formname.$firstselectname";
617: # output the javascript to do the changing
618: my $result = '';
1.219 albertel 619: $result.="<script type=\"text/javascript\">\n";
1.36 matthew 620: $result.="var select2data = new Object();\n";
621: $" = '","';
622: my $debug = '';
623: foreach my $s1 (sort(keys(%$hashref))) {
624: $result.="select2data.d_$s1 = new Object();\n";
625: $result.="select2data.d_$s1.def = new String('".
626: $hashref->{$s1}->{'default'}."');\n";
627: $result.="select2data.d_$s1.values = new Array(";
628: my @s2values = sort(keys( %{ $hashref->{$s1}->{'select2'} } ));
629: $result.="\"@s2values\");\n";
630: $result.="select2data.d_$s1.texts = new Array(";
631: my @s2texts;
632: foreach my $value (@s2values) {
633: push @s2texts, $hashref->{$s1}->{'select2'}->{$value};
634: }
635: $result.="\"@s2texts\");\n";
636: }
637: $"=' ';
638: $result.= <<"END";
639:
640: function select1_changed() {
641: // Determine new choice
642: var newvalue = "d_" + $first.value;
643: // update select2
644: var values = select2data[newvalue].values;
645: var texts = select2data[newvalue].texts;
646: var select2def = select2data[newvalue].def;
647: var i;
648: // out with the old
649: for (i = 0; i < $second.options.length; i++) {
650: $second.options[i] = null;
651: }
652: // in with the nuclear
653: for (i=0;i<values.length; i++) {
654: $second.options[i] = new Option(values[i]);
1.143 matthew 655: $second.options[i].value = values[i];
1.36 matthew 656: $second.options[i].text = texts[i];
657: if (values[i] == select2def) {
658: $second.options[i].selected = true;
659: }
660: }
661: }
662: </script>
663: END
664: # output the initial values for the selection lists
665: $result .= "<select size=\"1\" name=\"$firstselectname\" onchange=\"select1_changed()\">\n";
666: foreach my $value (sort(keys(%$hashref))) {
667: $result.=" <option value=\"$value\" ";
1.253 albertel 668: $result.=" selected=\"selected\" " if ($value eq $firstdefault);
1.119 www 669: $result.=">".&mt($hashref->{$value}->{'text'})."</option>\n";
1.36 matthew 670: }
671: $result .= "</select>\n";
672: my %select2 = %{$hashref->{$firstdefault}->{'select2'}};
673: $result .= $middletext;
674: $result .= "<select size=\"1\" name=\"$secondselectname\">\n";
675: my $seconddefault = $hashref->{$firstdefault}->{'default'};
676: foreach my $value (sort(keys(%select2))) {
677: $result.=" <option value=\"$value\" ";
1.253 albertel 678: $result.=" selected=\"selected\" " if ($value eq $seconddefault);
1.119 www 679: $result.=">".&mt($select2{$value})."</option>\n";
1.36 matthew 680: }
681: $result .= "</select>\n";
682: # return $debug;
683: return $result;
684: } # end of sub linked_select_forms {
685:
1.45 matthew 686: =pod
1.44 bowersj2 687:
1.112 bowersj2 688: =item * help_open_topic($topic, $text, $stayOnPage, $width, $height)
1.44 bowersj2 689:
1.112 bowersj2 690: Returns a string corresponding to an HTML link to the given help
691: $topic, where $topic corresponds to the name of a .tex file in
692: /home/httpd/html/adm/help/tex, with underscores replaced by
693: spaces.
694:
695: $text will optionally be linked to the same topic, allowing you to
696: link text in addition to the graphic. If you do not want to link
697: text, but wish to specify one of the later parameters, pass an
698: empty string.
699:
700: $stayOnPage is a value that will be interpreted as a boolean. If true,
701: the link will not open a new window. If false, the link will open
702: a new window using Javascript. (Default is false.)
703:
704: $width and $height are optional numerical parameters that will
705: override the width and height of the popped up window, which may
706: be useful for certain help topics with big pictures included.
1.44 bowersj2 707:
708: =cut
709:
710: sub help_open_topic {
1.48 bowersj2 711: my ($topic, $text, $stayOnPage, $width, $height) = @_;
712: $text = "" if (not defined $text);
1.44 bowersj2 713: $stayOnPage = 0 if (not defined $stayOnPage);
1.552 banghart 714: if ($env{'browser.interface'} eq 'textual') {
1.79 www 715: $stayOnPage=1;
716: }
1.44 bowersj2 717: $width = 350 if (not defined $width);
718: $height = 400 if (not defined $height);
719: my $filename = $topic;
720: $filename =~ s/ /_/g;
721:
1.48 bowersj2 722: my $template = "";
723: my $link;
1.159 www 724:
725: $topic=~s/\W/\_/g;
1.44 bowersj2 726:
727: if (!$stayOnPage)
728: {
1.72 bowersj2 729: $link = "javascript:void(open('/adm/help/${filename}.hlp', 'Help_for_$topic', 'menubar=0,toolbar=1,scrollbars=1,width=$width,height=$height,resizable=yes'))";
1.44 bowersj2 730: }
731: else
732: {
1.48 bowersj2 733: $link = "/adm/help/${filename}.hlp";
734: }
735:
736: # Add the text
737: if ($text ne "")
738: {
1.77 www 739: $template .=
740: "<table bgcolor='#3333AA' cellspacing='1' cellpadding='1' border='0'><tr>".
1.436 albertel 741: "<td bgcolor='#5555FF'><a target=\"_top\" href=\"$link\"><font color='#FFFFFF' size='2'>$text</font></a>";
1.48 bowersj2 742: }
743:
744: # Add the graphic
1.179 matthew 745: my $title = &mt('Online Help');
1.215 albertel 746: my $helpicon=&lonhttpdurl("/adm/help/gif/smallHelp.gif");
1.48 bowersj2 747: $template .= <<"ENDTEMPLATE";
1.436 albertel 748: <a target="_top" href="$link" title="$title"><img src="$helpicon" border="0" alt="(Help: $topic)" /></a>
1.44 bowersj2 749: ENDTEMPLATE
1.78 www 750: if ($text ne '') { $template.='</td></tr></table>' };
1.44 bowersj2 751: return $template;
752:
1.106 bowersj2 753: }
754:
755: # This is a quicky function for Latex cheatsheet editing, since it
756: # appears in at least four places
757: sub helpLatexCheatsheet {
758: my $other = shift;
759: my $addOther = '';
760: if ($other) {
761: $addOther = Apache::loncommon::help_open_topic($other, shift,
762: undef, undef, 600) .
763: '</td><td>';
764: }
765: return '<table><tr><td>'.
766: $addOther .
767: &Apache::loncommon::help_open_topic("Greek_Symbols",'Greek Symbols',
768: undef,undef,600)
769: .'</td><td>'.
770: &Apache::loncommon::help_open_topic("Other_Symbols",'Other Symbols',
771: undef,undef,600)
772: .'</td></tr></table>';
1.172 www 773: }
774:
1.430 albertel 775: sub general_help {
776: my $helptopic='Student_Intro';
777: if ($env{'request.role'}=~/^(ca|au)/) {
778: $helptopic='Authoring_Intro';
779: } elsif ($env{'request.role'}=~/^cc/) {
780: $helptopic='Course_Coordination_Intro';
781: }
782: return $helptopic;
783: }
784:
785: sub update_help_link {
786: my ($topic,$component_help,$faq,$bug,$stayOnPage) = @_;
787: my $origurl = $ENV{'REQUEST_URI'};
788: $origurl=~s|^/~|/priv/|;
789: my $timestamp = time;
790: foreach my $datum (\$topic,\$component_help,\$faq,\$bug,\$origurl) {
791: $$datum = &escape($$datum);
792: }
793:
794: my $banner_link = "/adm/helpmenu?page=banner&topic=$topic&component_help=$component_help&faq=$faq&bug=$bug&origurl=$origurl&stamp=$timestamp&stayonpage=$stayOnPage";
795: my $output .= <<"ENDOUTPUT";
796: <script type="text/javascript">
797: banner_link = '$banner_link';
798: </script>
799: ENDOUTPUT
800: return $output;
801: }
802:
803: # now just updates the help link and generates a blue icon
1.193 raeburn 804: sub help_open_menu {
1.430 albertel 805: my ($topic,$component_help,$faq,$bug,$stayOnPage,$width,$height,$text)
1.552 banghart 806: = @_;
1.430 albertel 807: $stayOnPage = 0 if (not defined $stayOnPage);
1.552 banghart 808: # formerly only used pop-up help (stayOnPage = 0)
809: # if environment.remote is on (using remote control UI)
810: # if ($env{'browser.interface'} eq 'textual' ||
811: # $env{'environment.remote'} eq 'off' ) {
812: # $stayOnPage=1;
813: #}
814: # Now making pop-up help the default even with remote control
815: if ($env{'browser.interface'} eq 'textual') {
816: $stayOnPage=1;
1.430 albertel 817: }
818: my $output;
819: if ($component_help) {
820: if (!$text) {
821: $output=&help_open_topic($component_help,undef,$stayOnPage,
822: $width,$height);
823: } else {
824: my $help_text;
825: $help_text=&unescape($topic);
826: $output='<table><tr><td>'.
827: &help_open_topic($component_help,$help_text,$stayOnPage,
828: $width,$height).'</td></tr></table>';
829: }
830: }
831: my $banner_link = &update_help_link($topic,$component_help,$faq,$bug,$stayOnPage);
832: return $output.$banner_link;
833: }
834:
835: sub top_nav_help {
836: my ($text) = @_;
837:
1.436 albertel 838: $text = &mt($text);
839:
840: my $stayOnPage =
841: ($env{'browser.interface'} eq 'textual' ||
842: $env{'environment.remote'} eq 'off' );
843: my $link= ($stayOnPage) ? "javascript:helpMenu('display')"
844: : "javascript:helpMenu('open')";
845: my $banner_link = &update_help_link(undef,undef,undef,undef,$stayOnPage);
846:
1.201 raeburn 847: my $title = &mt('Get help');
1.436 albertel 848:
849: return <<"END";
850: $banner_link
851: <a href="$link" title="$title">$text</a>
852: END
853: }
854:
855: sub help_menu_js {
856: my ($text) = @_;
857:
858: my $stayOnPage =
859: ($env{'browser.interface'} eq 'textual' ||
860: $env{'environment.remote'} eq 'off' );
861:
862: my $width = 620;
863: my $height = 600;
1.430 albertel 864: my $helptopic=&general_help();
865: my $details_link = '/adm/help/'.$helptopic.'.hlp';
1.261 albertel 866: my $nothing=&Apache::lonhtmlcommon::javascript_nothing();
1.331 albertel 867: my $start_page =
868: &Apache::loncommon::start_page('Help Menu', undef,
869: {'frameset' => 1,
870: 'js_ready' => 1,
871: 'add_entries' => {
872: 'border' => '0',
873: 'rows' => "105,*",},});
874: my $end_page =
875: &Apache::loncommon::end_page({'frameset' => 1,
876: 'js_ready' => 1,});
877:
1.436 albertel 878: my $template .= <<"ENDTEMPLATE";
879: <script type="text/javascript">
1.253 albertel 880: // <!-- BEGIN LON-CAPA Internal
881: // <![CDATA[
1.430 albertel 882: var banner_link = '';
1.243 raeburn 883: function helpMenu(target) {
884: var caller = this;
885: if (target == 'open') {
886: var newWindow = null;
887: try {
1.262 albertel 888: newWindow = window.open($nothing,"helpmenu","HEIGHT=$height,WIDTH=$width,resizable=yes,scrollbars=yes" )
1.243 raeburn 889: }
890: catch(error) {
891: writeHelp(caller);
892: return;
893: }
894: if (newWindow) {
895: caller = newWindow;
896: }
1.193 raeburn 897: }
1.243 raeburn 898: writeHelp(caller);
899: return;
900: }
901: function writeHelp(caller) {
1.430 albertel 902: caller.document.writeln('$start_page<frame name="bannerframe" src="'+banner_link+'" /><frame name="bodyframe" src="$details_link" /> $end_page')
1.243 raeburn 903: caller.document.close()
904: caller.focus()
1.193 raeburn 905: }
1.253 albertel 906: // ]]>
1.219 albertel 907: // END LON-CAPA Internal -->
1.436 albertel 908: </script>
1.193 raeburn 909: ENDTEMPLATE
910: return $template;
911: }
912:
1.172 www 913: sub help_open_bug {
914: my ($topic, $text, $stayOnPage, $width, $height) = @_;
1.258 albertel 915: unless ($env{'user.adv'}) { return ''; }
1.172 www 916: unless ($Apache::lonnet::perlvar{'BugzillaHost'}) { return ''; }
917: $text = "" if (not defined $text);
918: $stayOnPage = 0 if (not defined $stayOnPage);
1.258 albertel 919: if ($env{'browser.interface'} eq 'textual' ||
920: $env{'environment.remote'} eq 'off' ) {
1.172 www 921: $stayOnPage=1;
922: }
1.184 albertel 923: $width = 600 if (not defined $width);
924: $height = 600 if (not defined $height);
1.172 www 925:
926: $topic=~s/\W+/\+/g;
927: my $link='';
928: my $template='';
1.379 albertel 929: my $url=$Apache::lonnet::perlvar{'BugzillaHost'}.'enter_bug.cgi?product=LON-CAPA&bug_file_loc='.
930: &escape($ENV{'REQUEST_URI'}).'&component='.$topic;
1.172 www 931: if (!$stayOnPage)
932: {
933: $link = "javascript:void(open('$url', 'Bugzilla', 'menubar=0,toolbar=1,scrollbars=1,width=$width,height=$height,resizable=yes'))";
934: }
935: else
936: {
937: $link = $url;
938: }
939: # Add the text
940: if ($text ne "")
941: {
942: $template .=
943: "<table bgcolor='#AA3333' cellspacing='1' cellpadding='1' border='0'><tr>".
1.436 albertel 944: "<td bgcolor='#FF5555'><a target=\"_top\" href=\"$link\"><font color='#FFFFFF' size='2'>$text</font></a>";
1.172 www 945: }
946:
947: # Add the graphic
1.179 matthew 948: my $title = &mt('Report a Bug');
1.215 albertel 949: my $bugicon=&lonhttpdurl("/adm/lonMisc/smallBug.gif");
1.172 www 950: $template .= <<"ENDTEMPLATE";
1.436 albertel 951: <a target="_top" href="$link" title="$title"><img src="$bugicon" border="0" alt="(Bug: $topic)" /></a>
1.172 www 952: ENDTEMPLATE
953: if ($text ne '') { $template.='</td></tr></table>' };
954: return $template;
955:
956: }
957:
958: sub help_open_faq {
959: my ($topic, $text, $stayOnPage, $width, $height) = @_;
1.258 albertel 960: unless ($env{'user.adv'}) { return ''; }
1.172 www 961: unless ($Apache::lonnet::perlvar{'FAQHost'}) { return ''; }
962: $text = "" if (not defined $text);
963: $stayOnPage = 0 if (not defined $stayOnPage);
1.258 albertel 964: if ($env{'browser.interface'} eq 'textual' ||
965: $env{'environment.remote'} eq 'off' ) {
1.172 www 966: $stayOnPage=1;
967: }
968: $width = 350 if (not defined $width);
969: $height = 400 if (not defined $height);
970:
971: $topic=~s/\W+/\+/g;
972: my $link='';
973: my $template='';
974: my $url=$Apache::lonnet::perlvar{'FAQHost'}.'/fom/cache/'.$topic.'.html';
975: if (!$stayOnPage)
976: {
977: $link = "javascript:void(open('$url', 'FAQ-O-Matic', 'menubar=0,toolbar=1,scrollbars=1,width=$width,height=$height,resizable=yes'))";
978: }
979: else
980: {
981: $link = $url;
982: }
983:
984: # Add the text
985: if ($text ne "")
986: {
987: $template .=
1.173 www 988: "<table bgcolor='#337733' cellspacing='1' cellpadding='1' border='0'><tr>".
1.436 albertel 989: "<td bgcolor='#448844'><a target=\"_top\" href=\"$link\"><font color='#FFFFFF' size='2'>$text</font></a>";
1.172 www 990: }
991:
992: # Add the graphic
1.179 matthew 993: my $title = &mt('View the FAQ');
1.215 albertel 994: my $faqicon=&lonhttpdurl("/adm/lonMisc/smallFAQ.gif");
1.172 www 995: $template .= <<"ENDTEMPLATE";
1.436 albertel 996: <a target="_top" href="$link" title="$title"><img src="$faqicon" border="0" alt="(FAQ: $topic)" /></a>
1.172 www 997: ENDTEMPLATE
998: if ($text ne '') { $template.='</td></tr></table>' };
999: return $template;
1000:
1.44 bowersj2 1001: }
1.37 matthew 1002:
1.180 matthew 1003: ###############################################################
1004: ###############################################################
1005:
1.45 matthew 1006: =pod
1007:
1.256 matthew 1008: =item * change_content_javascript():
1009:
1010: This and the next function allow you to create small sections of an
1011: otherwise static HTML page that you can update on the fly with
1012: Javascript, even in Netscape 4.
1013:
1014: The Javascript fragment returned by this function (no E<lt>scriptE<gt> tag)
1015: must be written to the HTML page once. It will prove the Javascript
1016: function "change(name, content)". Calling the change function with the
1017: name of the section
1018: you want to update, matching the name passed to C<changable_area>, and
1019: the new content you want to put in there, will put the content into
1020: that area.
1021:
1022: B<Note>: Netscape 4 only reserves enough space for the changable area
1023: to contain room for the original contents. You need to "make space"
1024: for whatever changes you wish to make, and be B<sure> to check your
1025: code in Netscape 4. This feature in Netscape 4 is B<not> powerful;
1026: it's adequate for updating a one-line status display, but little more.
1027: This script will set the space to 100% width, so you only need to
1028: worry about height in Netscape 4.
1029:
1030: Modern browsers are much less limiting, and if you can commit to the
1031: user not using Netscape 4, this feature may be used freely with
1032: pretty much any HTML.
1033:
1034: =cut
1035:
1036: sub change_content_javascript {
1037: # If we're on Netscape 4, we need to use Layer-based code
1.258 albertel 1038: if ($env{'browser.type'} eq 'netscape' &&
1039: $env{'browser.version'} =~ /^4\./) {
1.256 matthew 1040: return (<<NETSCAPE4);
1041: function change(name, content) {
1042: doc = document.layers[name+"___escape"].layers[0].document;
1043: doc.open();
1044: doc.write(content);
1045: doc.close();
1046: }
1047: NETSCAPE4
1048: } else {
1049: # Otherwise, we need to use semi-standards-compliant code
1050: # (technically, "innerHTML" isn't standard but the equivalent
1051: # is really scary, and every useful browser supports it
1052: return (<<DOMBASED);
1053: function change(name, content) {
1054: element = document.getElementById(name);
1055: element.innerHTML = content;
1056: }
1057: DOMBASED
1058: }
1059: }
1060:
1061: =pod
1062:
1063: =item * changable_area($name, $origContent):
1064:
1065: This provides a "changable area" that can be modified on the fly via
1066: the Javascript code provided in C<change_content_javascript>. $name is
1067: the name you will use to reference the area later; do not repeat the
1068: same name on a given HTML page more then once. $origContent is what
1069: the area will originally contain, which can be left blank.
1070:
1071: =cut
1072:
1073: sub changable_area {
1074: my ($name, $origContent) = @_;
1075:
1.258 albertel 1076: if ($env{'browser.type'} eq 'netscape' &&
1077: $env{'browser.version'} =~ /^4\./) {
1.256 matthew 1078: # If this is netscape 4, we need to use the Layer tag
1079: return "<ilayer width='100%' id='${name}___escape' overflow='none'><layer width='100%' id='$name' overflow='none'>$origContent</layer></ilayer>";
1080: } else {
1081: return "<span id='$name'>$origContent</span>";
1082: }
1083: }
1084:
1085: =pod
1086:
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 $selectform;
1.163 www 1421: }
1.167 www 1422:
1.35 matthew 1423: #-------------------------------------------
1424:
1.45 matthew 1425: =pod
1426:
1.112 bowersj2 1427: =item * select_dom_form($defdom,$name,$includeempty)
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 $includeempty flag is set, it also includes an empty choice ("no domain
1434: selected");
1435:
1.35 matthew 1436: =cut
1437:
1438: #-------------------------------------------
1.34 matthew 1439: sub select_dom_form {
1.90 www 1440: my ($defdom,$name,$includeempty) = @_;
1.550 albertel 1441: my @domains = sort {lc($a) cmp lc($b)} (&Apache::lonnet::all_domains());
1.90 www 1442: if ($includeempty) { @domains=('',@domains); }
1.34 matthew 1443: my $selectdomain = "<select name=\"$name\" size=\"1\">\n";
1.356 albertel 1444: foreach my $dom (@domains) {
1445: $selectdomain.="<option value=\"$dom\" ".
1446: ($dom eq $defdom ? 'selected="selected" ' : '').
1447: ">$dom</option>\n";
1.34 matthew 1448: }
1449: $selectdomain.="</select>";
1450: return $selectdomain;
1451: }
1452:
1.35 matthew 1453: #-------------------------------------------
1454:
1.45 matthew 1455: =pod
1456:
1.112 bowersj2 1457: =item * home_server_option_list($domain)
1.35 matthew 1458:
1459: returns a string which contains an <option> list to be used in a
1460: <select> form input. See loncreateuser.pm for an example.
1461:
1462: =cut
1463:
1464: #-------------------------------------------
1.33 matthew 1465: sub home_server_option_list {
1466: my $domain = shift;
1.513 albertel 1467: my %servers = &Apache::lonnet::get_servers($domain,'library');
1.33 matthew 1468: my $result = '';
1.356 albertel 1469: foreach my $hostid (sort(keys(%servers))) {
1.33 matthew 1470: $result.=
1.356 albertel 1471: '<option value="'.$hostid.'">'.
1472: $hostid.' '.$servers{$hostid}."</option>\n";
1.33 matthew 1473: }
1474: return $result;
1475: }
1.112 bowersj2 1476:
1477: =pod
1478:
1.534 albertel 1479: =back
1480:
1.112 bowersj2 1481: =cut
1.87 matthew 1482:
1483: ###############################################################
1.112 bowersj2 1484: ## Decoding User Agent ##
1.87 matthew 1485: ###############################################################
1486:
1487: =pod
1488:
1.112 bowersj2 1489: =head1 Decoding the User Agent
1490:
1491: =over 4
1492:
1493: =item * &decode_user_agent()
1.87 matthew 1494:
1495: Inputs: $r
1496:
1497: Outputs:
1498:
1499: =over 4
1500:
1.112 bowersj2 1501: =item * $httpbrowser
1.87 matthew 1502:
1.112 bowersj2 1503: =item * $clientbrowser
1.87 matthew 1504:
1.112 bowersj2 1505: =item * $clientversion
1.87 matthew 1506:
1.112 bowersj2 1507: =item * $clientmathml
1.87 matthew 1508:
1.112 bowersj2 1509: =item * $clientunicode
1.87 matthew 1510:
1.112 bowersj2 1511: =item * $clientos
1.87 matthew 1512:
1513: =back
1514:
1.157 matthew 1515: =back
1516:
1.87 matthew 1517: =cut
1518:
1519: ###############################################################
1520: ###############################################################
1521: sub decode_user_agent {
1.247 albertel 1522: my ($r)=@_;
1.87 matthew 1523: my @browsertype=split(/\&/,$Apache::lonnet::perlvar{"lonBrowsDet"});
1524: my %mathcap=split(/\&/,$$Apache::lonnet::perlvar{"lonMathML"});
1525: my $httpbrowser=$ENV{"HTTP_USER_AGENT"};
1.247 albertel 1526: if (!$httpbrowser && $r) { $httpbrowser=$r->header_in('User-Agent'); }
1.87 matthew 1527: my $clientbrowser='unknown';
1528: my $clientversion='0';
1529: my $clientmathml='';
1530: my $clientunicode='0';
1531: for (my $i=0;$i<=$#browsertype;$i++) {
1532: my ($bname,$match,$notmatch,$vreg,$minv,$univ)=split(/\:/,$browsertype[$i]);
1533: if (($httpbrowser=~/$match/i) && ($httpbrowser!~/$notmatch/i)) {
1534: $clientbrowser=$bname;
1535: $httpbrowser=~/$vreg/i;
1536: $clientversion=$1;
1537: $clientmathml=($clientversion>=$minv);
1538: $clientunicode=($clientversion>=$univ);
1539: }
1540: }
1541: my $clientos='unknown';
1542: if (($httpbrowser=~/linux/i) ||
1543: ($httpbrowser=~/unix/i) ||
1544: ($httpbrowser=~/ux/i) ||
1545: ($httpbrowser=~/solaris/i)) { $clientos='unix'; }
1546: if (($httpbrowser=~/vax/i) ||
1547: ($httpbrowser=~/vms/i)) { $clientos='vms'; }
1548: if ($httpbrowser=~/next/i) { $clientos='next'; }
1549: if (($httpbrowser=~/mac/i) ||
1550: ($httpbrowser=~/powerpc/i)) { $clientos='mac'; }
1551: if ($httpbrowser=~/win/i) { $clientos='win'; }
1552: if ($httpbrowser=~/embed/i) { $clientos='pda'; }
1553: return ($httpbrowser,$clientbrowser,$clientversion,$clientmathml,
1554: $clientunicode,$clientos,);
1555: }
1556:
1.32 matthew 1557: ###############################################################
1558: ## Authentication changing form generation subroutines ##
1559: ###############################################################
1560: ##
1561: ## All of the authform_xxxxxxx subroutines take their inputs in a
1562: ## hash, and have reasonable default values.
1563: ##
1564: ## formname = the name given in the <form> tag.
1.35 matthew 1565: #-------------------------------------------
1566:
1.45 matthew 1567: =pod
1568:
1.112 bowersj2 1569: =head1 Authentication Routines
1570:
1571: =over 4
1572:
1573: =item * authform_xxxxxx
1.35 matthew 1574:
1575: The authform_xxxxxx subroutines provide javascript and html forms which
1576: handle some of the conveniences required for authentication forms.
1577: This is not an optimal method, but it works.
1578:
1579: See loncreateuser.pm for invocation and use examples.
1580:
1581: =over 4
1582:
1.112 bowersj2 1583: =item * authform_header
1.35 matthew 1584:
1.112 bowersj2 1585: =item * authform_authorwarning
1.35 matthew 1586:
1.112 bowersj2 1587: =item * authform_nochange
1.35 matthew 1588:
1.112 bowersj2 1589: =item * authform_kerberos
1.35 matthew 1590:
1.112 bowersj2 1591: =item * authform_internal
1.35 matthew 1592:
1.112 bowersj2 1593: =item * authform_filesystem
1.35 matthew 1594:
1595: =back
1596:
1.157 matthew 1597: =back
1598:
1.35 matthew 1599: =cut
1600:
1601: #-------------------------------------------
1.32 matthew 1602: sub authform_header{
1603: my %in = (
1604: formname => 'cu',
1.80 albertel 1605: kerb_def_dom => '',
1.32 matthew 1606: @_,
1607: );
1608: $in{'formname'} = 'document.' . $in{'formname'};
1609: my $result='';
1.80 albertel 1610:
1611: #---------------------------------------------- Code for upper case translation
1612: my $Javascript_toUpperCase;
1613: unless ($in{kerb_def_dom}) {
1614: $Javascript_toUpperCase =<<"END";
1615: switch (choice) {
1616: case 'krb': currentform.elements[choicearg].value =
1617: currentform.elements[choicearg].value.toUpperCase();
1618: break;
1619: default:
1620: }
1621: END
1622: } else {
1623: $Javascript_toUpperCase = "";
1624: }
1625:
1.165 raeburn 1626: my $radioval = "'nochange'";
1.174 matthew 1627: if (exists($in{'curr_authtype'}) &&
1628: defined($in{'curr_authtype'}) &&
1629: $in{'curr_authtype'} ne '') {
1630: $radioval = "'$in{'curr_authtype'}arg'";
1631: }
1.165 raeburn 1632: my $argfield = 'null';
1633: if ( grep/^mode$/,(keys %in) ) {
1634: if ($in{'mode'} eq 'modifycourse') {
1635: if ( grep/^curr_authtype$/,(keys %in) ) {
1636: $radioval = "'$in{'curr_authtype'}'";
1637: }
1638: if ( grep/^curr_autharg$/,(keys %in) ) {
1639: unless ($in{'curr_autharg'} eq '') {
1640: $argfield = "'$in{'curr_autharg'}'";
1641: }
1642: }
1643: }
1644: }
1645:
1.32 matthew 1646: $result.=<<"END";
1647: var current = new Object();
1.165 raeburn 1648: current.radiovalue = $radioval;
1649: current.argfield = $argfield;
1.32 matthew 1650:
1651: function changed_radio(choice,currentform) {
1652: var choicearg = choice + 'arg';
1653: // If a radio button in changed, we need to change the argfield
1654: if (current.radiovalue != choice) {
1655: current.radiovalue = choice;
1656: if (current.argfield != null) {
1657: currentform.elements[current.argfield].value = '';
1658: }
1659: if (choice == 'nochange') {
1660: current.argfield = null;
1661: } else {
1662: current.argfield = choicearg;
1663: switch(choice) {
1664: case 'krb':
1665: currentform.elements[current.argfield].value =
1666: "$in{'kerb_def_dom'}";
1667: break;
1668: default:
1669: break;
1670: }
1671: }
1672: }
1673: return;
1674: }
1.22 www 1675:
1.32 matthew 1676: function changed_text(choice,currentform) {
1677: var choicearg = choice + 'arg';
1678: if (currentform.elements[choicearg].value !='') {
1.80 albertel 1679: $Javascript_toUpperCase
1.32 matthew 1680: // clear old field
1681: if ((current.argfield != choicearg) && (current.argfield != null)) {
1682: currentform.elements[current.argfield].value = '';
1683: }
1684: current.argfield = choicearg;
1685: }
1686: set_auth_radio_buttons(choice,currentform);
1687: return;
1.20 www 1688: }
1.32 matthew 1689:
1690: function set_auth_radio_buttons(newvalue,currentform) {
1691: var i=0;
1692: while (i < currentform.login.length) {
1693: if (currentform.login[i].value == newvalue) { break; }
1694: i++;
1695: }
1696: if (i == currentform.login.length) {
1697: return;
1698: }
1699: current.radiovalue = newvalue;
1700: currentform.login[i].checked = true;
1701: return;
1702: }
1703: END
1704: return $result;
1705: }
1706:
1707: sub authform_authorwarning{
1708: my $result='';
1.144 matthew 1709: $result='<i>'.
1710: &mt('As a general rule, only authors or co-authors should be '.
1711: 'filesystem authenticated '.
1712: '(which allows access to the server filesystem).')."</i>\n";
1.32 matthew 1713: return $result;
1714: }
1715:
1716: sub authform_nochange{
1717: my %in = (
1718: formname => 'document.cu',
1719: kerb_def_dom => 'MSU.EDU',
1720: @_,
1721: );
1.281 albertel 1722: my $result = '<label>'.&mt('[_1] Do not change login data',
1.144 matthew 1723: '<input type="radio" name="login" value="nochange" '.
1724: 'checked="checked" onclick="'.
1.281 albertel 1725: "javascript:changed_radio('nochange',$in{'formname'});".'" />').
1726: '</label>';
1.32 matthew 1727: return $result;
1728: }
1729:
1730: sub authform_kerberos{
1731: my %in = (
1732: formname => 'document.cu',
1733: kerb_def_dom => 'MSU.EDU',
1.80 albertel 1734: kerb_def_auth => 'krb4',
1.32 matthew 1735: @_,
1736: );
1.165 raeburn 1737: my ($check4,$check5,$krbarg);
1.80 albertel 1738: if ($in{'kerb_def_auth'} eq 'krb5') {
1739: $check5 = " checked=\"on\"";
1740: } else {
1741: $check4 = " checked=\"on\"";
1742: }
1.165 raeburn 1743: $krbarg = $in{'kerb_def_dom'};
1744:
1745: my $krbcheck = "";
1746: if ( grep/^curr_authtype$/,(keys %in) ) {
1747: if ($in{'curr_authtype'} =~ m/^krb/) {
1748: $krbcheck = " checked=\"on\"";
1749: if ( grep/^curr_autharg$/,(keys %in) ) {
1750: $krbarg = $in{'curr_autharg'};
1751: }
1752: }
1753: }
1754:
1.144 matthew 1755: my $jscall = "javascript:changed_radio('krb',$in{'formname'});";
1756: my $result .= &mt
1757: ('[_1] Kerberos authenticated with domain [_2] '.
1.281 albertel 1758: '[_3] Version 4 [_4] Version 5 [_5]',
1759: '<label><input type="radio" name="login" value="krb" '.
1.165 raeburn 1760: 'onclick="'.$jscall.'" onchange="'.$jscall.'"'.$krbcheck.' />',
1.281 albertel 1761: '</label><input type="text" size="10" name="krbarg" '.
1.165 raeburn 1762: 'value="'.$krbarg.'" '.
1.144 matthew 1763: 'onchange="'.$jscall.'" />',
1.281 albertel 1764: '<label><input type="radio" name="krbver" value="4" '.$check4.' />',
1765: '</label><label><input type="radio" name="krbver" value="5" '.$check5.' />',
1766: '</label>');
1.32 matthew 1767: return $result;
1768: }
1769:
1770: sub authform_internal{
1771: my %args = (
1772: formname => 'document.cu',
1773: kerb_def_dom => 'MSU.EDU',
1774: @_,
1775: );
1.165 raeburn 1776:
1777: my $intcheck = "";
1778: my $intarg = 'value=""';
1779: if ( grep/^curr_authtype$/,(keys %args) ) {
1780: if ($args{'curr_authtype'} eq 'int') {
1781: $intcheck = " checked=\"on\"";
1782: if ( grep/^curr_autharg$/,(keys %args) ) {
1783: $intarg = "value=\"$args{'curr_autharg'}\"";
1784: }
1785: }
1786: }
1787:
1.144 matthew 1788: my $jscall = "javascript:changed_radio('int',$args{'formname'});";
1789: my $result.=&mt
1790: ('[_1] Internally authenticated (with initial password [_2])',
1.281 albertel 1791: '<label><input type="radio" name="login" value="int" '.$intcheck.
1.165 raeburn 1792: ' onchange="'.$jscall.'" onclick="'.$jscall.'" />',
1.281 albertel 1793: '</label><input type="text" size="10" name="intarg" '.$intarg.
1.165 raeburn 1794: ' onchange="'.$jscall.'" />');
1.32 matthew 1795: return $result;
1796: }
1797:
1798: sub authform_local{
1799: my %in = (
1800: formname => 'document.cu',
1801: kerb_def_dom => 'MSU.EDU',
1802: @_,
1803: );
1.165 raeburn 1804:
1805: my $loccheck = "";
1806: my $locarg = 'value=""';
1807: if ( grep/^curr_authtype$/,(keys %in) ) {
1808: if ($in{'curr_authtype'} eq 'loc') {
1809: $loccheck = " checked=\"on\"";
1810: if ( grep/^curr_autharg$/,(keys %in) ) {
1811: $locarg = "value=\"$in{'curr_autharg'}\"";
1812: }
1813: }
1814: }
1815:
1.144 matthew 1816: my $jscall = "javascript:changed_radio('loc',$in{'formname'});";
1.160 matthew 1817: my $result.=&mt('[_1] Local Authentication with argument [_2]',
1.281 albertel 1818: '<label><input type="radio" name="login" value="loc" '.$loccheck.
1.165 raeburn 1819: ' onchange="'.$jscall.'" onclick="'.$jscall.'" />',
1.281 albertel 1820: '</label><input type="text" size="10" name="locarg" '.$locarg.
1.165 raeburn 1821: ' onchange="'.$jscall.'" />');
1.32 matthew 1822: return $result;
1823: }
1824:
1825: sub authform_filesystem{
1826: my %in = (
1827: formname => 'document.cu',
1828: kerb_def_dom => 'MSU.EDU',
1829: @_,
1830: );
1.144 matthew 1831: my $jscall = "javascript:changed_radio('fsys',$in{'formname'});";
1832: my $result.= &mt
1833: ('[_1] Filesystem Authenticated (with initial password [_2])',
1.281 albertel 1834: '<label><input type="radio" name="login" value="fsys" '.
1.144 matthew 1835: 'onchange="'.$jscall.'" onclick="'.$jscall.'" />',
1.281 albertel 1836: '</label><input type="text" size="10" name="fsysarg" value="" '.
1.144 matthew 1837: 'onchange="'.$jscall.'" />');
1.32 matthew 1838: return $result;
1839: }
1840:
1.80 albertel 1841: ###############################################################
1842: ## Get Authentication Defaults for Domain ##
1843: ###############################################################
1844:
1845: =pod
1846:
1.112 bowersj2 1847: =head1 Domains and Authentication
1848:
1849: Returns default authentication type and an associated argument as
1850: listed in file 'domain.tab'.
1851:
1852: =over 4
1853:
1854: =item * get_auth_defaults
1.80 albertel 1855:
1856: get_auth_defaults($target_domain) returns the default authentication
1857: type and an associated argument (initial password or a kerberos domain).
1858: These values are stored in lonTabs/domain.tab
1859:
1860: ($def_auth, $def_arg) = &get_auth_defaults($target_domain);
1861:
1862: If target_domain is not found in domain.tab, returns nothing ('').
1863:
1864: =cut
1865:
1866: #-------------------------------------------
1867: sub get_auth_defaults {
1868: my $domain=shift;
1.514 albertel 1869: return (&Apache::lonnet::domain($domain,'auth_def'),
1870: &Apache::lonnet::domain($domain,'auth_arg_def'));
1871:
1.80 albertel 1872: }
1873: ###############################################################
1874: ## End Get Authentication Defaults for Domain ##
1875: ###############################################################
1876:
1877: ###############################################################
1878: ## Get Kerberos Defaults for Domain ##
1879: ###############################################################
1880: ##
1881: ## Returns default kerberos version and an associated argument
1882: ## as listed in file domain.tab. If not listed, provides
1883: ## appropriate default domain and kerberos version.
1884: ##
1885: #-------------------------------------------
1886:
1887: =pod
1888:
1.112 bowersj2 1889: =item * get_kerberos_defaults
1.80 albertel 1890:
1891: get_kerberos_defaults($target_domain) returns the default kerberos
1892: version and domain. If not found in domain.tabs, it defaults to
1893: version 4 and the domain of the server.
1894:
1895: ($def_version, $def_krb_domain) = &get_kerberos_defaults($target_domain);
1896:
1897: =cut
1898:
1899: #-------------------------------------------
1900: sub get_kerberos_defaults {
1901: my $domain=shift;
1902: my ($krbdef,$krbdefdom) =
1903: &Apache::loncommon::get_auth_defaults($domain);
1904: unless ($krbdef =~/^krb/ && $krbdefdom) {
1905: $ENV{'SERVER_NAME'}=~/(\w+\.\w+)$/;
1906: my $krbdefdom=$1;
1907: $krbdefdom=~tr/a-z/A-Z/;
1908: $krbdef = "krb4";
1909: }
1910: return ($krbdef,$krbdefdom);
1911: }
1.112 bowersj2 1912:
1913: =pod
1914:
1915: =back
1916:
1917: =cut
1.32 matthew 1918:
1.46 matthew 1919: ###############################################################
1920: ## Thesaurus Functions ##
1921: ###############################################################
1.20 www 1922:
1.46 matthew 1923: =pod
1.20 www 1924:
1.112 bowersj2 1925: =head1 Thesaurus Functions
1926:
1927: =over 4
1928:
1929: =item * initialize_keywords
1.46 matthew 1930:
1931: Initializes the package variable %Keywords if it is empty. Uses the
1932: package variable $thesaurus_db_file.
1933:
1934: =cut
1935:
1936: ###################################################
1937:
1938: sub initialize_keywords {
1939: return 1 if (scalar keys(%Keywords));
1940: # If we are here, %Keywords is empty, so fill it up
1941: # Make sure the file we need exists...
1942: if (! -e $thesaurus_db_file) {
1943: &Apache::lonnet::logthis("Attempt to access $thesaurus_db_file".
1944: " failed because it does not exist");
1945: return 0;
1946: }
1947: # Set up the hash as a database
1948: my %thesaurus_db;
1949: if (! tie(%thesaurus_db,'GDBM_File',
1.53 albertel 1950: $thesaurus_db_file,&GDBM_READER(),0640)){
1.46 matthew 1951: &Apache::lonnet::logthis("Could not tie \%thesaurus_db to ".
1952: $thesaurus_db_file);
1953: return 0;
1954: }
1955: # Get the average number of appearances of a word.
1956: my $avecount = $thesaurus_db{'average.count'};
1957: # Put keywords (those that appear > average) into %Keywords
1958: while (my ($word,$data)=each (%thesaurus_db)) {
1959: my ($count,undef) = split /:/,$data;
1960: $Keywords{$word}++ if ($count > $avecount);
1961: }
1962: untie %thesaurus_db;
1963: # Remove special values from %Keywords.
1.356 albertel 1964: foreach my $value ('total.count','average.count') {
1965: delete($Keywords{$value}) if (exists($Keywords{$value}));
1.46 matthew 1966: }
1967: return 1;
1968: }
1969:
1970: ###################################################
1971:
1972: =pod
1973:
1.112 bowersj2 1974: =item * keyword($word)
1.46 matthew 1975:
1976: Returns true if $word is a keyword. A keyword is a word that appears more
1977: than the average number of times in the thesaurus database. Calls
1978: &initialize_keywords
1979:
1980: =cut
1981:
1982: ###################################################
1.20 www 1983:
1984: sub keyword {
1.46 matthew 1985: return if (!&initialize_keywords());
1986: my $word=lc(shift());
1987: $word=~s/\W//g;
1988: return exists($Keywords{$word});
1.20 www 1989: }
1.46 matthew 1990:
1991: ###############################################################
1992:
1993: =pod
1.20 www 1994:
1.112 bowersj2 1995: =item * get_related_words
1.46 matthew 1996:
1.160 matthew 1997: Look up a word in the thesaurus. Takes a scalar argument and returns
1.46 matthew 1998: an array of words. If the keyword is not in the thesaurus, an empty array
1999: will be returned. The order of the words returned is determined by the
2000: database which holds them.
2001:
2002: Uses global $thesaurus_db_file.
2003:
2004: =cut
2005:
2006: ###############################################################
2007: sub get_related_words {
2008: my $keyword = shift;
2009: my %thesaurus_db;
2010: if (! -e $thesaurus_db_file) {
2011: &Apache::lonnet::logthis("Attempt to access $thesaurus_db_file ".
2012: "failed because the file does not exist");
2013: return ();
2014: }
2015: if (! tie(%thesaurus_db,'GDBM_File',
1.53 albertel 2016: $thesaurus_db_file,&GDBM_READER(),0640)){
1.46 matthew 2017: return ();
2018: }
2019: my @Words=();
1.429 www 2020: my $count=0;
1.46 matthew 2021: if (exists($thesaurus_db{$keyword})) {
1.356 albertel 2022: # The first element is the number of times
2023: # the word appears. We do not need it now.
1.429 www 2024: my (undef,@RelatedWords) = (split(/:/,$thesaurus_db{$keyword}));
2025: my (undef,$mostfrequentcount)=split(/\,/,$RelatedWords[0]);
2026: my $threshold=$mostfrequentcount/10;
2027: foreach my $possibleword (@RelatedWords) {
2028: my ($word,$wordcount)=split(/\,/,$possibleword);
2029: if ($wordcount>$threshold) {
2030: push(@Words,$word);
2031: $count++;
2032: if ($count>10) { last; }
2033: }
1.20 www 2034: }
2035: }
1.46 matthew 2036: untie %thesaurus_db;
2037: return @Words;
1.14 harris41 2038: }
1.46 matthew 2039:
1.112 bowersj2 2040: =pod
2041:
2042: =back
2043:
2044: =cut
1.61 www 2045:
2046: # -------------------------------------------------------------- Plaintext name
1.81 albertel 2047: =pod
2048:
1.112 bowersj2 2049: =head1 User Name Functions
2050:
2051: =over 4
2052:
1.226 albertel 2053: =item * plainname($uname,$udom,$first)
1.81 albertel 2054:
1.112 bowersj2 2055: Takes a users logon name and returns it as a string in
1.226 albertel 2056: "first middle last generation" form
2057: if $first is set to 'lastname' then it returns it as
2058: 'lastname generation, firstname middlename' if their is a lastname
1.81 albertel 2059:
2060: =cut
1.61 www 2061:
1.295 www 2062:
1.81 albertel 2063: ###############################################################
1.61 www 2064: sub plainname {
1.226 albertel 2065: my ($uname,$udom,$first)=@_;
1.537 albertel 2066: return if (!defined($uname) || !defined($udom));
1.295 www 2067: my %names=&getnames($uname,$udom);
1.226 albertel 2068: my $name=&Apache::lonnet::format_name($names{'firstname'},
2069: $names{'middlename'},
2070: $names{'lastname'},
2071: $names{'generation'},$first);
2072: $name=~s/^\s+//;
1.62 www 2073: $name=~s/\s+$//;
2074: $name=~s/\s+/ /g;
1.353 albertel 2075: if ($name !~ /\S/) { $name=$uname.':'.$udom; }
1.62 www 2076: return $name;
1.61 www 2077: }
1.66 www 2078:
2079: # -------------------------------------------------------------------- Nickname
1.81 albertel 2080: =pod
2081:
1.112 bowersj2 2082: =item * nickname($uname,$udom)
1.81 albertel 2083:
2084: Gets a users name and returns it as a string as
2085:
2086: ""nickname""
1.66 www 2087:
1.81 albertel 2088: if the user has a nickname or
2089:
2090: "first middle last generation"
2091:
2092: if the user does not
2093:
2094: =cut
1.66 www 2095:
2096: sub nickname {
2097: my ($uname,$udom)=@_;
1.537 albertel 2098: return if (!defined($uname) || !defined($udom));
1.295 www 2099: my %names=&getnames($uname,$udom);
1.68 albertel 2100: my $name=$names{'nickname'};
1.66 www 2101: if ($name) {
2102: $name='"'.$name.'"';
2103: } else {
2104: $name=$names{'firstname'}.' '.$names{'middlename'}.' '.
2105: $names{'lastname'}.' '.$names{'generation'};
2106: $name=~s/\s+$//;
2107: $name=~s/\s+/ /g;
2108: }
2109: return $name;
2110: }
2111:
1.295 www 2112: sub getnames {
2113: my ($uname,$udom)=@_;
1.537 albertel 2114: return if (!defined($uname) || !defined($udom));
1.433 albertel 2115: if ($udom eq 'public' && $uname eq 'public') {
2116: return ('lastname' => &mt('Public'));
2117: }
1.295 www 2118: my $id=$uname.':'.$udom;
2119: my ($names,$cached)=&Apache::lonnet::is_cached_new('namescache',$id);
2120: if ($cached) {
2121: return %{$names};
2122: } else {
2123: my %loadnames=&Apache::lonnet::get('environment',
2124: ['firstname','middlename','lastname','generation','nickname'],
2125: $udom,$uname);
2126: &Apache::lonnet::do_cache_new('namescache',$id,\%loadnames);
2127: return %loadnames;
2128: }
2129: }
1.61 www 2130:
1.542 raeburn 2131: # -------------------------------------------------------------------- getemails
2132: =pod
2133:
2134: =item * getemails($uname,$udom)
2135:
2136: Gets a user's email information and returns it as a hash with keys:
2137: notification, critnotification, permanentemail
2138:
2139: For notification and critnotification, values are comma-separated lists
2140: of e-mail address(es); for permanentemail, value is a single e-mail address.
2141:
2142: =cut
2143:
1.466 albertel 2144: sub getemails {
2145: my ($uname,$udom)=@_;
2146: if ($udom eq 'public' && $uname eq 'public') {
2147: return;
2148: }
1.467 www 2149: if (!$udom) { $udom=$env{'user.domain'}; }
2150: if (!$uname) { $uname=$env{'user.name'}; }
1.466 albertel 2151: my $id=$uname.':'.$udom;
2152: my ($names,$cached)=&Apache::lonnet::is_cached_new('emailscache',$id);
2153: if ($cached) {
2154: return %{$names};
2155: } else {
2156: my %loadnames=&Apache::lonnet::get('environment',
2157: ['notification','critnotification',
2158: 'permanentemail'],
2159: $udom,$uname);
2160: &Apache::lonnet::do_cache_new('emailscache',$id,\%loadnames);
2161: return %loadnames;
2162: }
2163: }
2164:
1.551 albertel 2165: sub flush_email_cache {
2166: my ($uname,$udom)=@_;
2167: if (!$udom) { $udom =$env{'user.domain'}; }
2168: if (!$uname) { $uname=$env{'user.name'}; }
2169: return if ($udom eq 'public' && $uname eq 'public');
2170: my $id=$uname.':'.$udom;
2171: &Apache::lonnet::devalidate_cache_new('emailscache',$id);
2172: }
2173:
1.61 www 2174: # ------------------------------------------------------------------ Screenname
1.81 albertel 2175:
2176: =pod
2177:
1.112 bowersj2 2178: =item * screenname($uname,$udom)
1.81 albertel 2179:
2180: Gets a users screenname and returns it as a string
2181:
2182: =cut
1.61 www 2183:
2184: sub screenname {
2185: my ($uname,$udom)=@_;
1.258 albertel 2186: if ($uname eq $env{'user.name'} &&
2187: $udom eq $env{'user.domain'}) {return $env{'environment.screenname'};}
1.212 albertel 2188: my %names=&Apache::lonnet::get('environment',['screenname'],$udom,$uname);
1.68 albertel 2189: return $names{'screenname'};
1.62 www 2190: }
2191:
1.212 albertel 2192:
1.62 www 2193: # ------------------------------------------------------------- Message Wrapper
2194:
2195: sub messagewrapper {
1.369 www 2196: my ($link,$username,$domain,$subject,$text)=@_;
1.62 www 2197: return
1.441 albertel 2198: '<a href="/adm/email?compose=individual&'.
2199: 'recname='.$username.'&recdom='.$domain.
2200: '&subject='.&escape($subject).'&text='.&escape($text).'" '.
1.200 matthew 2201: 'title="'.&mt('Send message').'">'.$link.'</a>';
1.74 www 2202: }
2203: # --------------------------------------------------------------- Notes Wrapper
2204:
2205: sub noteswrapper {
2206: my ($link,$un,$do)=@_;
2207: return
2208: "<a href='/adm/email?recordftf=retrieve&recname=$un&recdom=$do'>$link</a>";
1.62 www 2209: }
2210: # ------------------------------------------------------------- Aboutme Wrapper
2211:
2212: sub aboutmewrapper {
1.166 www 2213: my ($link,$username,$domain,$target)=@_;
1.447 raeburn 2214: if (!defined($username) && !defined($domain)) {
2215: return;
2216: }
1.205 www 2217: return '<a href="/adm/'.$domain.'/'.$username.'/aboutme"'.
1.454 banghart 2218: ($target?' target="$target"':'').' title="'.&mt("View this user's personal page").'">'.$link.'</a>';
1.62 www 2219: }
2220:
2221: # ------------------------------------------------------------ Syllabus Wrapper
2222:
2223:
2224: sub syllabuswrapper {
1.109 matthew 2225: my ($linktext,$coursedir,$domain,$fontcolor)=@_;
2226: if ($fontcolor) {
2227: $linktext='<font color="'.$fontcolor.'">'.$linktext.'</font>';
2228: }
1.208 matthew 2229: return qq{<a href="/public/$domain/$coursedir/syllabus">$linktext</a>};
1.61 www 2230: }
1.14 harris41 2231:
1.208 matthew 2232: sub track_student_link {
1.268 albertel 2233: my ($linktext,$sname,$sdom,$target,$start) = @_;
2234: my $link ="/adm/trackstudent?";
1.208 matthew 2235: my $title = 'View recent activity';
2236: if (defined($sname) && $sname !~ /^\s*$/ &&
2237: defined($sdom) && $sdom !~ /^\s*$/) {
1.268 albertel 2238: $link .= "selected_student=$sname:$sdom";
1.208 matthew 2239: $title .= ' of this student';
1.268 albertel 2240: }
1.208 matthew 2241: if (defined($target) && $target !~ /^\s*$/) {
2242: $target = qq{target="$target"};
2243: } else {
2244: $target = '';
2245: }
1.268 albertel 2246: if ($start) { $link.='&start='.$start; }
1.554 albertel 2247: $title = &mt($title);
2248: $linktext = &mt($linktext);
1.448 albertel 2249: return qq{<a href="$link" title="$title" $target>$linktext</a>}.
2250: &help_open_topic('View_recent_activity');
1.208 matthew 2251: }
2252:
1.508 www 2253: # ===================================================== Display a student photo
2254:
2255:
1.509 albertel 2256: sub student_image_tag {
1.508 www 2257: my ($domain,$user)=@_;
2258: my $imgsrc=&Apache::lonnet::studentphoto($domain,$user,'jpg');
2259: if (($imgsrc) && ($imgsrc ne '/adm/lonKaputt/lonlogo_broken.gif')) {
2260: return '<img src="'.$imgsrc.'" align="right" />';
2261: } else {
2262: return '';
2263: }
2264: }
2265:
1.112 bowersj2 2266: =pod
2267:
2268: =back
2269:
2270: =head1 Access .tab File Data
2271:
2272: =over 4
2273:
2274: =item * languageids()
2275:
2276: returns list of all language ids
2277:
2278: =cut
2279:
1.14 harris41 2280: sub languageids {
1.16 harris41 2281: return sort(keys(%language));
1.14 harris41 2282: }
2283:
1.112 bowersj2 2284: =pod
2285:
2286: =item * languagedescription()
2287:
2288: returns description of a specified language id
2289:
2290: =cut
2291:
1.14 harris41 2292: sub languagedescription {
1.125 www 2293: my $code=shift;
2294: return ($supported_language{$code}?'* ':'').
2295: $language{$code}.
1.126 www 2296: ($supported_language{$code}?' ('.&mt('interface available').')':'');
1.145 www 2297: }
2298:
2299: sub plainlanguagedescription {
2300: my $code=shift;
2301: return $language{$code};
2302: }
2303:
2304: sub supportedlanguagecode {
2305: my $code=shift;
2306: return $supported_language{$code};
1.97 www 2307: }
2308:
1.112 bowersj2 2309: =pod
2310:
2311: =item * copyrightids()
2312:
2313: returns list of all copyrights
2314:
2315: =cut
2316:
2317: sub copyrightids {
2318: return sort(keys(%cprtag));
2319: }
2320:
2321: =pod
2322:
2323: =item * copyrightdescription()
2324:
2325: returns description of a specified copyright id
2326:
2327: =cut
2328:
2329: sub copyrightdescription {
1.166 www 2330: return &mt($cprtag{shift(@_)});
1.112 bowersj2 2331: }
1.197 matthew 2332:
2333: =pod
2334:
1.192 taceyjo1 2335: =item * source_copyrightids()
2336:
2337: returns list of all source copyrights
2338:
2339: =cut
2340:
2341: sub source_copyrightids {
2342: return sort(keys(%scprtag));
2343: }
2344:
2345: =pod
2346:
2347: =item * source_copyrightdescription()
2348:
2349: returns description of a specified source copyright id
2350:
2351: =cut
2352:
2353: sub source_copyrightdescription {
2354: return &mt($scprtag{shift(@_)});
2355: }
1.112 bowersj2 2356:
2357: =pod
2358:
2359: =item * filecategories()
2360:
2361: returns list of all file categories
2362:
2363: =cut
2364:
2365: sub filecategories {
2366: return sort(keys(%category_extensions));
2367: }
2368:
2369: =pod
2370:
2371: =item * filecategorytypes()
2372:
2373: returns list of file types belonging to a given file
2374: category
2375:
2376: =cut
2377:
2378: sub filecategorytypes {
1.356 albertel 2379: my ($cat) = @_;
2380: return @{$category_extensions{lc($cat)}};
1.112 bowersj2 2381: }
2382:
2383: =pod
2384:
2385: =item * fileembstyle()
2386:
2387: returns embedding style for a specified file type
2388:
2389: =cut
2390:
2391: sub fileembstyle {
2392: return $fe{lc(shift(@_))};
1.169 www 2393: }
2394:
1.351 www 2395: sub filemimetype {
2396: return $fm{lc(shift(@_))};
2397: }
2398:
1.169 www 2399:
2400: sub filecategoryselect {
2401: my ($name,$value)=@_;
1.189 matthew 2402: return &select_form($value,$name,
1.169 www 2403: '' => &mt('Any category'),
2404: map { $_,$_ } sort(keys(%category_extensions)));
1.112 bowersj2 2405: }
2406:
2407: =pod
2408:
2409: =item * filedescription()
2410:
2411: returns description for a specified file type
2412:
2413: =cut
2414:
2415: sub filedescription {
1.188 matthew 2416: my $file_description = $fd{lc(shift())};
2417: $file_description =~ s:([\[\]]):~$1:g;
2418: return &mt($file_description);
1.112 bowersj2 2419: }
2420:
2421: =pod
2422:
2423: =item * filedescriptionex()
2424:
2425: returns description for a specified file type with
2426: extra formatting
2427:
2428: =cut
2429:
2430: sub filedescriptionex {
2431: my $ex=shift;
1.188 matthew 2432: my $file_description = $fd{lc($ex)};
2433: $file_description =~ s:([\[\]]):~$1:g;
2434: return '.'.$ex.' '.&mt($file_description);
1.112 bowersj2 2435: }
2436:
2437: # End of .tab access
2438: =pod
2439:
2440: =back
2441:
2442: =cut
2443:
2444: # ------------------------------------------------------------------ File Types
2445: sub fileextensions {
2446: return sort(keys(%fe));
2447: }
2448:
1.97 www 2449: # ----------------------------------------------------------- Display Languages
2450: # returns a hash with all desired display languages
2451: #
2452:
2453: sub display_languages {
2454: my %languages=();
1.356 albertel 2455: foreach my $lang (&preferred_languages()) {
2456: $languages{$lang}=1;
1.97 www 2457: }
2458: &get_unprocessed_cgi($ENV{'QUERY_STRING'},['displaylanguage']);
1.258 albertel 2459: if ($env{'form.displaylanguage'}) {
1.356 albertel 2460: foreach my $lang (split(/\s*(\,|\;|\:)\s*/,$env{'form.displaylanguage'})) {
2461: $languages{$lang}=1;
1.97 www 2462: }
2463: }
2464: return %languages;
1.14 harris41 2465: }
2466:
1.117 www 2467: sub preferred_languages {
2468: my @languages=();
1.258 albertel 2469: if ($env{'course.'.$env{'request.course.id'}.'.languages'}) {
1.117 www 2470: @languages=(@languages,split(/\s*(\,|\;|\:)\s*/,
1.258 albertel 2471: $env{'course.'.$env{'request.course.id'}.'.languages'}));
1.177 www 2472: }
1.258 albertel 2473: if ($env{'environment.languages'}) {
1.459 albertel 2474: @languages=(@languages,
2475: split(/\s*(\,|\;|\:)\s*/,$env{'environment.languages'}));
1.118 www 2476: }
1.162 www 2477: my $browser=(split(/\;/,$ENV{'HTTP_ACCEPT_LANGUAGE'}))[0];
2478: if ($browser) {
2479: @languages=(@languages,split(/\s*(\,|\;|\:)\s*/,$browser));
2480: }
1.514 albertel 2481: if (&Apache::lonnet::domain($env{'user.domain'},'lang_def')) {
1.118 www 2482: @languages=(@languages,
1.514 albertel 2483: &Apache::lonnet::domain($env{'user.domain'},
2484: 'lang_def'));
1.118 www 2485: }
1.514 albertel 2486: if (&Apache::lonnet::domain($env{'request.role.domain'},'lang_def')) {
1.118 www 2487: @languages=(@languages,
1.514 albertel 2488: &Apache::lonnet::domain($env{'request.role.domain'},
2489: 'lang_def'));
1.118 www 2490: }
1.514 albertel 2491: if (&Apache::lonnet::domain($Apache::lonnet::perlvar{'lonDefDomain'},
2492: 'lang_def')) {
1.118 www 2493: @languages=(@languages,
1.514 albertel 2494: &Apache::lonnet::domain($Apache::lonnet::perlvar{'lonDefDomain'},
2495: 'lang_def'));
1.118 www 2496: }
2497: # turn "en-ca" into "en-ca,en"
2498: my @genlanguages;
1.356 albertel 2499: foreach my $lang (@languages) {
2500: unless ($lang=~/\w/) { next; }
2501: push (@genlanguages,$lang);
2502: if ($lang=~/(\-|\_)/) {
2503: push(@genlanguages,(split(/(\-|\_)/,$lang))[0]);
1.118 www 2504: }
2505: }
2506: return @genlanguages;
1.117 www 2507: }
2508:
1.112 bowersj2 2509: ###############################################################
2510: ## Student Answer Attempts ##
2511: ###############################################################
2512:
2513: =pod
2514:
2515: =head1 Alternate Problem Views
2516:
2517: =over 4
2518:
2519: =item * get_previous_attempt($symb, $username, $domain, $course,
2520: $getattempt, $regexp, $gradesub)
2521:
2522: Return string with previous attempt on problem. Arguments:
2523:
2524: =over 4
2525:
2526: =item * $symb: Problem, including path
2527:
2528: =item * $username: username of the desired student
2529:
2530: =item * $domain: domain of the desired student
1.14 harris41 2531:
1.112 bowersj2 2532: =item * $course: Course ID
1.14 harris41 2533:
1.112 bowersj2 2534: =item * $getattempt: Leave blank for all attempts, otherwise put
2535: something
1.14 harris41 2536:
1.112 bowersj2 2537: =item * $regexp: if string matches this regexp, the string will be
2538: sent to $gradesub
1.14 harris41 2539:
1.112 bowersj2 2540: =item * $gradesub: routine that processes the string if it matches $regexp
1.14 harris41 2541:
1.112 bowersj2 2542: =back
1.14 harris41 2543:
1.112 bowersj2 2544: The output string is a table containing all desired attempts, if any.
1.16 harris41 2545:
1.112 bowersj2 2546: =cut
1.1 albertel 2547:
2548: sub get_previous_attempt {
1.43 ng 2549: my ($symb,$username,$domain,$course,$getattempt,$regexp,$gradesub)=@_;
1.1 albertel 2550: my $prevattempts='';
1.43 ng 2551: no strict 'refs';
1.1 albertel 2552: if ($symb) {
1.3 albertel 2553: my (%returnhash)=
2554: &Apache::lonnet::restore($symb,$course,$domain,$username);
1.1 albertel 2555: if ($returnhash{'version'}) {
2556: my %lasthash=();
2557: my $version;
2558: for ($version=1;$version<=$returnhash{'version'};$version++) {
1.356 albertel 2559: foreach my $key (sort(split(/\:/,$returnhash{$version.':keys'}))) {
2560: $lasthash{$key}=$returnhash{$version.':'.$key};
1.19 harris41 2561: }
1.1 albertel 2562: }
1.43 ng 2563: $prevattempts='<table border="0" width="100%"><tr><td bgcolor="#777777">';
1.40 ng 2564: $prevattempts.='<table border="0" width="100%"><tr bgcolor="#e6ffff"><td>History</td>';
1.356 albertel 2565: foreach my $key (sort(keys(%lasthash))) {
2566: my ($ign,@parts) = split(/\./,$key);
1.41 ng 2567: if ($#parts > 0) {
1.31 albertel 2568: my $data=$parts[-1];
2569: pop(@parts);
1.40 ng 2570: $prevattempts.='<td>Part '.join('.',@parts).'<br />'.$data.' </td>';
1.31 albertel 2571: } else {
1.41 ng 2572: if ($#parts == 0) {
2573: $prevattempts.='<th>'.$parts[0].'</th>';
2574: } else {
2575: $prevattempts.='<th>'.$ign.'</th>';
2576: }
1.31 albertel 2577: }
1.16 harris41 2578: }
1.40 ng 2579: if ($getattempt eq '') {
2580: for ($version=1;$version<=$returnhash{'version'};$version++) {
2581: $prevattempts.='</tr><tr bgcolor="#ffffe6"><td>Transaction '.$version.'</td>';
1.356 albertel 2582: foreach my $key (sort(keys(%lasthash))) {
1.40 ng 2583: my $value;
1.356 albertel 2584: if ($key =~ /timestamp/) {
2585: $value=scalar(localtime($returnhash{$version.':'.$key}));
1.40 ng 2586: } else {
1.356 albertel 2587: $value=$returnhash{$version.':'.$key};
1.40 ng 2588: }
1.369 www 2589: $prevattempts.='<td>'.&unescape($value).' </td>';
1.40 ng 2590: }
2591: }
1.1 albertel 2592: }
1.40 ng 2593: $prevattempts.='</tr><tr bgcolor="#ffffe6"><td>Current</td>';
1.356 albertel 2594: foreach my $key (sort(keys(%lasthash))) {
1.5 albertel 2595: my $value;
1.356 albertel 2596: if ($key =~ /timestamp/) {
2597: $value=scalar(localtime($lasthash{$key}));
1.5 albertel 2598: } else {
1.356 albertel 2599: $value=$lasthash{$key};
1.5 albertel 2600: }
1.369 www 2601: $value=&unescape($value);
1.356 albertel 2602: if ($key =~/$regexp$/ && (defined &$gradesub)) {$value = &$gradesub($value)}
1.40 ng 2603: $prevattempts.='<td>'.$value.' </td>';
1.16 harris41 2604: }
1.40 ng 2605: $prevattempts.='</tr></table></td></tr></table>';
1.1 albertel 2606: } else {
2607: $prevattempts='Nothing submitted - no attempts.';
2608: }
2609: } else {
2610: $prevattempts='No data.';
2611: }
1.10 albertel 2612: }
2613:
1.107 albertel 2614: sub relative_to_absolute {
2615: my ($url,$output)=@_;
2616: my $parser=HTML::TokeParser->new(\$output);
2617: my $token;
2618: my $thisdir=$url;
2619: my @rlinks=();
2620: while ($token=$parser->get_token) {
2621: if ($token->[0] eq 'S') {
2622: if ($token->[1] eq 'a') {
2623: if ($token->[2]->{'href'}) {
2624: $rlinks[$#rlinks+1]=$token->[2]->{'href'};
2625: }
2626: } elsif ($token->[1] eq 'img' || $token->[1] eq 'embed' ) {
2627: $rlinks[$#rlinks+1]=$token->[2]->{'src'};
2628: } elsif ($token->[1] eq 'base') {
2629: $thisdir=$token->[2]->{'href'};
2630: }
2631: }
2632: }
2633: $thisdir=~s-/[^/]*$--;
1.356 albertel 2634: foreach my $link (@rlinks) {
2635: unless (($link=~/^http:\/\//i) ||
2636: ($link=~/^\//) ||
2637: ($link=~/^javascript:/i) ||
2638: ($link=~/^mailto:/i) ||
2639: ($link=~/^\#/)) {
2640: my $newlocation=&Apache::lonnet::hreflocation($thisdir,$link);
2641: $output=~s/(\"|\'|\=\s*)\Q$link\E(\"|\'|\s|\>)/$1$newlocation$2/;
1.107 albertel 2642: }
2643: }
2644: # -------------------------------------------------- Deal with Applet codebases
2645: $output=~s/(\<applet[^\>]+)(codebase\=[^\S\>]+)*([^\>]*)\>/$1.($2?$2:' codebase="'.$thisdir.'"').$3.'>'/gei;
2646: return $output;
2647: }
2648:
1.112 bowersj2 2649: =pod
2650:
2651: =item * get_student_view
2652:
2653: show a snapshot of what student was looking at
2654:
2655: =cut
2656:
1.10 albertel 2657: sub get_student_view {
1.186 albertel 2658: my ($symb,$username,$domain,$courseid,$target,$moreenv) = @_;
1.114 www 2659: my ($map,$id,$feedurl) = &Apache::lonnet::decode_symb($symb);
1.186 albertel 2660: my (%form);
1.10 albertel 2661: my @elements=('symb','courseid','domain','username');
2662: foreach my $element (@elements) {
1.186 albertel 2663: $form{'grade_'.$element}=eval '$'.$element #'
1.10 albertel 2664: }
1.186 albertel 2665: if (defined($moreenv)) {
2666: %form=(%form,%{$moreenv});
2667: }
1.236 albertel 2668: if (defined($target)) { $form{'grade_target'} = $target; }
1.107 albertel 2669: $feedurl=&Apache::lonnet::clutter($feedurl);
1.186 albertel 2670: my $userview=&Apache::lonnet::ssi_body($feedurl,%form);
1.11 albertel 2671: $userview=~s/\<body[^\>]*\>//gi;
2672: $userview=~s/\<\/body\>//gi;
2673: $userview=~s/\<html\>//gi;
2674: $userview=~s/\<\/html\>//gi;
2675: $userview=~s/\<head\>//gi;
2676: $userview=~s/\<\/head\>//gi;
2677: $userview=~s/action\s*\=/would_be_action\=/gi;
1.107 albertel 2678: $userview=&relative_to_absolute($feedurl,$userview);
1.11 albertel 2679: return $userview;
2680: }
2681:
1.112 bowersj2 2682: =pod
2683:
2684: =item * get_student_answers()
2685:
2686: show a snapshot of how student was answering problem
2687:
2688: =cut
2689:
1.11 albertel 2690: sub get_student_answers {
1.100 sakharuk 2691: my ($symb,$username,$domain,$courseid,%form) = @_;
1.114 www 2692: my ($map,$id,$feedurl) = &Apache::lonnet::decode_symb($symb);
1.186 albertel 2693: my (%moreenv);
1.11 albertel 2694: my @elements=('symb','courseid','domain','username');
2695: foreach my $element (@elements) {
1.186 albertel 2696: $moreenv{'grade_'.$element}=eval '$'.$element #'
1.10 albertel 2697: }
1.186 albertel 2698: $moreenv{'grade_target'}='answer';
2699: %moreenv=(%form,%moreenv);
1.497 raeburn 2700: $feedurl = &Apache::lonnet::clutter($feedurl);
2701: my $userview=&Apache::lonnet::ssi($feedurl,%moreenv);
1.10 albertel 2702: return $userview;
1.1 albertel 2703: }
1.116 albertel 2704:
2705: =pod
2706:
2707: =item * &submlink()
2708:
1.242 albertel 2709: Inputs: $text $uname $udom $symb $target
1.116 albertel 2710:
2711: Returns: A link to grades.pm such as to see the SUBM view of a student
2712:
2713: =cut
2714:
2715: ###############################################
2716: sub submlink {
1.242 albertel 2717: my ($text,$uname,$udom,$symb,$target)=@_;
1.116 albertel 2718: if (!($uname && $udom)) {
2719: (my $cursymb, my $courseid,$udom,$uname)=
1.463 albertel 2720: &Apache::lonnet::whichuser($symb);
1.116 albertel 2721: if (!$symb) { $symb=$cursymb; }
2722: }
1.254 matthew 2723: if (!$symb) { $symb=&Apache::lonnet::symbread(); }
1.369 www 2724: $symb=&escape($symb);
1.242 albertel 2725: if ($target) { $target="target=\"$target\""; }
2726: return '<a href="/adm/grades?&command=submission&'.
2727: 'symb='.$symb.'&student='.$uname.
2728: '&userdom='.$udom.'" '.$target.'>'.$text.'</a>';
2729: }
2730: ##############################################
2731:
2732: =pod
2733:
2734: =item * &pgrdlink()
2735:
2736: Inputs: $text $uname $udom $symb $target
2737:
2738: Returns: A link to grades.pm such as to see the PGRD view of a student
2739:
2740: =cut
2741:
2742: ###############################################
2743: sub pgrdlink {
2744: my $link=&submlink(@_);
2745: $link=~s/(&command=submission)/$1&showgrading=yes/;
2746: return $link;
2747: }
2748: ##############################################
2749:
2750: =pod
2751:
2752: =item * &pprmlink()
2753:
2754: Inputs: $text $uname $udom $symb $target
2755:
2756: Returns: A link to parmset.pm such as to see the PPRM view of a
1.283 albertel 2757: student and a specific resource
1.242 albertel 2758:
2759: =cut
2760:
2761: ###############################################
2762: sub pprmlink {
2763: my ($text,$uname,$udom,$symb,$target)=@_;
2764: if (!($uname && $udom)) {
2765: (my $cursymb, my $courseid,$udom,$uname)=
1.463 albertel 2766: &Apache::lonnet::whichuser($symb);
1.242 albertel 2767: if (!$symb) { $symb=$cursymb; }
2768: }
1.254 matthew 2769: if (!$symb) { $symb=&Apache::lonnet::symbread(); }
1.369 www 2770: $symb=&escape($symb);
1.242 albertel 2771: if ($target) { $target="target=\"$target\""; }
2772: return '<a href="/adm/parmset?&command=set&'.
2773: 'symb='.$symb.'&uname='.$uname.
2774: '&udom='.$udom.'" '.$target.'>'.$text.'</a>';
1.116 albertel 2775: }
2776: ##############################################
1.37 matthew 2777:
1.112 bowersj2 2778: =pod
2779:
2780: =back
2781:
2782: =cut
2783:
1.37 matthew 2784: ###############################################
1.51 www 2785:
2786:
2787: sub timehash {
2788: my @ltime=localtime(shift);
2789: return ( 'seconds' => $ltime[0],
2790: 'minutes' => $ltime[1],
2791: 'hours' => $ltime[2],
2792: 'day' => $ltime[3],
2793: 'month' => $ltime[4]+1,
2794: 'year' => $ltime[5]+1900,
2795: 'weekday' => $ltime[6],
2796: 'dayyear' => $ltime[7]+1,
2797: 'dlsav' => $ltime[8] );
2798: }
2799:
1.370 www 2800: sub utc_string {
2801: my ($date)=@_;
1.371 www 2802: return strftime("%Y%m%dT%H%M%SZ",gmtime($date));
1.370 www 2803: }
2804:
1.51 www 2805: sub maketime {
2806: my %th=@_;
2807: return POSIX::mktime(
2808: ($th{'seconds'},$th{'minutes'},$th{'hours'},
1.210 www 2809: $th{'day'},$th{'month'}-1,$th{'year'}-1900,0,0,-1));
1.70 www 2810: }
2811:
2812: #########################################
1.51 www 2813:
2814: sub findallcourses {
1.482 raeburn 2815: my ($roles,$uname,$udom) = @_;
1.355 albertel 2816: my %roles;
2817: if (ref($roles)) { %roles = map { $_ => 1 } @{$roles}; }
1.348 albertel 2818: my %courses;
1.51 www 2819: my $now=time;
1.482 raeburn 2820: if (!defined($uname)) {
2821: $uname = $env{'user.name'};
2822: }
2823: if (!defined($udom)) {
2824: $udom = $env{'user.domain'};
2825: }
2826: if (($uname ne $env{'user.name'}) || ($udom ne $env{'user.domain'})) {
2827: my %roleshash = &Apache::lonnet::dump('roles',$udom,$uname);
2828: if (!%roles) {
2829: %roles = (
2830: cc => 1,
2831: in => 1,
2832: ep => 1,
2833: ta => 1,
2834: cr => 1,
2835: st => 1,
2836: );
2837: }
2838: foreach my $entry (keys(%roleshash)) {
2839: my ($trole,$tend,$tstart) = split(/_/,$roleshash{$entry});
2840: if ($trole =~ /^cr/) {
2841: next if (!exists($roles{$trole}) && !exists($roles{'cr'}));
2842: } else {
2843: next if (!exists($roles{$trole}));
2844: }
2845: if ($tend) {
2846: next if ($tend < $now);
2847: }
2848: if ($tstart) {
2849: next if ($tstart > $now);
2850: }
2851: my ($cdom,$cnum,$sec,$cnumpart,$secpart,$role,$realsec);
2852: (undef,$cdom,$cnumpart,$secpart) = split(/\//,$entry);
2853: if ($secpart eq '') {
2854: ($cnum,$role) = split(/_/,$cnumpart);
2855: $sec = 'none';
2856: $realsec = '';
2857: } else {
2858: $cnum = $cnumpart;
2859: ($sec,$role) = split(/_/,$secpart);
2860: $realsec = $sec;
1.490 raeburn 2861: }
1.482 raeburn 2862: $courses{$cdom.'_'.$cnum}{$sec} = $trole.'/'.$cdom.'/'.$cnum.'/'.$realsec;
2863: }
2864: } else {
2865: foreach my $key (keys(%env)) {
1.483 albertel 2866: if ( $key=~m{^user\.role\.(\w+)\./($match_domain)/($match_courseid)/?(\w*)$} ||
2867: $key=~m{^user\.role\.(cr/$match_domain/$match_username/\w+)\./($match_domain)/($match_courseid)/?(\w*)$}) {
1.482 raeburn 2868: my ($role,$cdom,$cnum,$sec) = ($1,$2,$3,$4);
2869: next if ($role eq 'ca' || $role eq 'aa');
2870: next if (%roles && !exists($roles{$role}));
2871: my ($starttime,$endtime)=split(/\./,$env{$key});
2872: my $active=1;
2873: if ($starttime) {
2874: if ($now<$starttime) { $active=0; }
2875: }
2876: if ($endtime) {
2877: if ($now>$endtime) { $active=0; }
2878: }
2879: if ($active) {
2880: if ($sec eq '') {
2881: $sec = 'none';
2882: }
2883: $courses{$cdom.'_'.$cnum}{$sec} =
2884: $role.'/'.$cdom.'/'.$cnum.'/'.$sec;
1.474 raeburn 2885: }
2886: }
1.51 www 2887: }
2888: }
1.474 raeburn 2889: return %courses;
1.51 www 2890: }
1.37 matthew 2891:
1.54 www 2892: ###############################################
1.474 raeburn 2893:
2894: sub blockcheck {
1.482 raeburn 2895: my ($setters,$activity,$uname,$udom) = @_;
1.490 raeburn 2896:
2897: if (!defined($udom)) {
2898: $udom = $env{'user.domain'};
2899: }
2900: if (!defined($uname)) {
2901: $uname = $env{'user.name'};
2902: }
2903:
2904: # If uname and udom are for a course, check for blocks in the course.
2905:
2906: if (&Apache::lonnet::is_course($udom,$uname)) {
2907: my %records = &Apache::lonnet::dump('comm_block',$udom,$uname);
1.502 raeburn 2908: my ($startblock,$endblock)=&get_blocks($setters,$activity,$udom,$uname);
1.490 raeburn 2909: return ($startblock,$endblock);
2910: }
1.474 raeburn 2911:
1.502 raeburn 2912: my $startblock = 0;
2913: my $endblock = 0;
1.482 raeburn 2914: my %live_courses = &findallcourses(undef,$uname,$udom);
1.474 raeburn 2915:
1.490 raeburn 2916: # If uname is for a user, and activity is course-specific, i.e.,
2917: # boards, chat or groups, check for blocking in current course only.
1.474 raeburn 2918:
1.490 raeburn 2919: if (($activity eq 'boards' || $activity eq 'chat' ||
2920: $activity eq 'groups') && ($env{'request.course.id'})) {
2921: foreach my $key (keys(%live_courses)) {
2922: if ($key ne $env{'request.course.id'}) {
2923: delete($live_courses{$key});
2924: }
2925: }
2926: }
2927:
2928: my $otheruser = 0;
2929: my %own_courses;
2930: if ((($uname ne $env{'user.name'})) || ($udom ne $env{'user.domain'})) {
2931: # Resource belongs to user other than current user.
2932: $otheruser = 1;
2933: # Gather courses for current user
2934: %own_courses =
2935: &findallcourses(undef,$env{'user.name'},$env{'user.domain'});
2936: }
2937:
2938: # Gather active course roles - course coordinator, instructor,
2939: # exam proctor, ta, student, or custom role.
1.474 raeburn 2940:
2941: foreach my $course (keys(%live_courses)) {
1.482 raeburn 2942: my ($cdom,$cnum);
2943: if ((defined($env{'course.'.$course.'.domain'})) && (defined($env{'course.'.$course.'.num'}))) {
2944: $cdom = $env{'course.'.$course.'.domain'};
2945: $cnum = $env{'course.'.$course.'.num'};
2946: } else {
1.490 raeburn 2947: ($cdom,$cnum) = split(/_/,$course);
1.482 raeburn 2948: }
2949: my $no_ownblock = 0;
2950: my $no_userblock = 0;
1.533 raeburn 2951: if ($otheruser && $activity ne 'com') {
1.490 raeburn 2952: # Check if current user has 'evb' priv for this
2953: if (defined($own_courses{$course})) {
2954: foreach my $sec (keys(%{$own_courses{$course}})) {
2955: my $checkrole = 'cm./'.$cdom.'/'.$cnum;
2956: if ($sec ne 'none') {
2957: $checkrole .= '/'.$sec;
2958: }
2959: if (&Apache::lonnet::allowed('evb',undef,undef,$checkrole)) {
2960: $no_ownblock = 1;
2961: last;
2962: }
2963: }
2964: }
2965: # if they have 'evb' priv and are currently not playing student
2966: next if (($no_ownblock) &&
2967: ($env{'request.role'} !~ m{^st\./$cdom/$cnum}));
2968: }
1.474 raeburn 2969: foreach my $sec (keys(%{$live_courses{$course}})) {
1.482 raeburn 2970: my $checkrole = 'cm./'.$cdom.'/'.$cnum;
1.474 raeburn 2971: if ($sec ne 'none') {
1.482 raeburn 2972: $checkrole .= '/'.$sec;
1.474 raeburn 2973: }
1.490 raeburn 2974: if ($otheruser) {
2975: # Resource belongs to user other than current user.
2976: # Assemble privs for that user, and check for 'evb' priv.
1.482 raeburn 2977: my ($trole,$tdom,$tnum,$tsec);
2978: my $entry = $live_courses{$course}{$sec};
2979: if ($entry =~ /^cr/) {
2980: ($trole,$tdom,$tnum,$tsec) =
2981: ($entry =~ m|^(cr/$match_domain/$match_username/\w+)\./($match_domain)/($match_username)/?(\w*)$|);
2982: } else {
2983: ($trole,$tdom,$tnum,$tsec) = split(/\//,$entry);
2984: }
2985: my ($spec,$area,$trest,%allroles,%userroles);
2986: $area = '/'.$tdom.'/'.$tnum;
2987: $trest = $tnum;
2988: if ($tsec ne '') {
2989: $area .= '/'.$tsec;
2990: $trest .= '/'.$tsec;
2991: }
2992: $spec = $trole.'.'.$area;
2993: if ($trole =~ /^cr/) {
2994: &Apache::lonnet::custom_roleprivs(\%allroles,$trole,
2995: $tdom,$spec,$trest,$area);
2996: } else {
2997: &Apache::lonnet::standard_roleprivs(\%allroles,$trole,
2998: $tdom,$spec,$trest,$area);
2999: }
3000: my ($author,$adv) = &Apache::lonnet::set_userprivs(\%userroles,\%allroles);
1.486 raeburn 3001: if ($userroles{'user.priv.'.$checkrole} =~ /evb\&([^\:]*)/) {
3002: if ($1) {
3003: $no_userblock = 1;
3004: last;
3005: }
3006: }
1.490 raeburn 3007: } else {
3008: # Resource belongs to current user
3009: # Check for 'evb' priv via lonnet::allowed().
1.482 raeburn 3010: if (&Apache::lonnet::allowed('evb',undef,undef,$checkrole)) {
3011: $no_ownblock = 1;
3012: last;
3013: }
1.474 raeburn 3014: }
3015: }
3016: # if they have the evb priv and are currently not playing student
1.482 raeburn 3017: next if (($no_ownblock) &&
1.491 albertel 3018: ($env{'request.role'} !~ m{^st\./\Q$cdom\E/\Q$cnum\E}));
1.482 raeburn 3019: next if ($no_userblock);
1.474 raeburn 3020:
1.490 raeburn 3021: # Retrieve blocking times and identity of blocker for course
3022: # of specified user, unless user has 'evb' privilege.
1.502 raeburn 3023:
3024: my ($start,$end)=&get_blocks($setters,$activity,$cdom,$cnum);
3025: if (($start != 0) &&
3026: (($startblock == 0) || ($startblock > $start))) {
3027: $startblock = $start;
3028: }
3029: if (($end != 0) &&
3030: (($endblock == 0) || ($endblock < $end))) {
3031: $endblock = $end;
3032: }
1.490 raeburn 3033: }
3034: return ($startblock,$endblock);
3035: }
3036:
3037: sub get_blocks {
3038: my ($setters,$activity,$cdom,$cnum) = @_;
3039: my $startblock = 0;
3040: my $endblock = 0;
3041: my $course = $cdom.'_'.$cnum;
3042: $setters->{$course} = {};
3043: $setters->{$course}{'staff'} = [];
3044: $setters->{$course}{'times'} = [];
3045: my %records = &Apache::lonnet::dump('comm_block',$cdom,$cnum);
3046: foreach my $record (keys(%records)) {
3047: my ($start,$end) = ($record =~ m/^(\d+)____(\d+)$/);
3048: if ($start <= time && $end >= time) {
3049: my ($staff_name,$staff_dom,$title,$blocks) =
3050: &parse_block_record($records{$record});
3051: if ($blocks->{$activity} eq 'on') {
3052: push(@{$$setters{$course}{'staff'}},[$staff_name,$staff_dom]);
3053: push(@{$$setters{$course}{'times'}}, [$start,$end]);
1.491 albertel 3054: if ( ($startblock == 0) || ($startblock > $start) ) {
3055: $startblock = $start;
1.490 raeburn 3056: }
1.491 albertel 3057: if ( ($endblock == 0) || ($endblock < $end) ) {
3058: $endblock = $end;
1.474 raeburn 3059: }
3060: }
3061: }
3062: }
3063: return ($startblock,$endblock);
3064: }
3065:
3066: sub parse_block_record {
3067: my ($record) = @_;
3068: my ($setuname,$setudom,$title,$blocks);
3069: if (ref($record) eq 'HASH') {
3070: ($setuname,$setudom) = split(/:/,$record->{'setter'});
3071: $title = &unescape($record->{'event'});
3072: $blocks = $record->{'blocks'};
3073: } else {
3074: my @data = split(/:/,$record,3);
3075: if (scalar(@data) eq 2) {
3076: $title = $data[1];
3077: ($setuname,$setudom) = split(/@/,$data[0]);
3078: } else {
3079: ($setuname,$setudom,$title) = @data;
3080: }
3081: $blocks = { 'com' => 'on' };
3082: }
3083: return ($setuname,$setudom,$title,$blocks);
3084: }
3085:
3086: sub build_block_table {
3087: my ($startblock,$endblock,$setters) = @_;
3088: my %lt = &Apache::lonlocal::texthash(
3089: 'cacb' => 'Currently active communication blocks',
3090: 'cour' => 'Course',
3091: 'dura' => 'Duration',
3092: 'blse' => 'Block set by'
3093: );
3094: my $output;
1.476 raeburn 3095: $output = '<br />'.$lt{'cacb'}.':<br />';
1.474 raeburn 3096: $output .= &start_data_table();
3097: $output .= '
3098: <tr>
3099: <th>'.$lt{'cour'}.'</th>
3100: <th>'.$lt{'dura'}.'</th>
3101: <th>'.$lt{'blse'}.'</th>
3102: </tr>
3103: ';
3104: foreach my $course (keys(%{$setters})) {
3105: my %courseinfo=&Apache::lonnet::coursedescription($course);
3106: for (my $i=0; $i<@{$$setters{$course}{staff}}; $i++) {
3107: my ($uname,$udom) = @{$$setters{$course}{staff}[$i]};
1.490 raeburn 3108: my $fullname = &plainname($uname,$udom);
3109: if (defined($env{'user.name'}) && defined($env{'user.domain'})
3110: && $env{'user.name'} ne 'public'
3111: && $env{'user.domain'} ne 'public') {
3112: $fullname = &aboutmewrapper($fullname,$uname,$udom);
3113: }
1.474 raeburn 3114: my ($openblock,$closeblock) = @{$$setters{$course}{times}[$i]};
3115: $openblock = &Apache::lonlocal::locallocaltime($openblock);
3116: $closeblock= &Apache::lonlocal::locallocaltime($closeblock);
3117: $output .= &Apache::loncommon::start_data_table_row().
3118: '<td>'.$courseinfo{'description'}.'</td>'.
3119: '<td>'.$openblock.' to '.$closeblock.'</td>'.
1.490 raeburn 3120: '<td>'.$fullname.'</td>'.
1.474 raeburn 3121: &Apache::loncommon::end_data_table_row();
3122: }
3123: }
3124: $output .= &end_data_table();
3125: }
3126:
1.490 raeburn 3127: sub blocking_status {
3128: my ($activity,$uname,$udom) = @_;
3129: my %setters;
3130: my ($blocked,$output,$ownitem,$is_course);
3131: my ($startblock,$endblock)=&blockcheck(\%setters,$activity,$uname,$udom);
3132: if ($startblock && $endblock) {
3133: $blocked = 1;
3134: if (wantarray) {
3135: my $category;
3136: if ($activity eq 'boards') {
3137: $category = 'Discussion posts in this course';
3138: } elsif ($activity eq 'blogs') {
3139: $category = 'Blogs';
3140: } elsif ($activity eq 'port') {
3141: if (defined($uname) && defined($udom)) {
3142: if ($uname eq $env{'user.name'} &&
3143: $udom eq $env{'user.domain'}) {
3144: $ownitem = 1;
3145: }
3146: }
3147: $is_course = &Apache::lonnet::is_course($udom,$uname);
3148: if ($ownitem) {
3149: $category = 'Your portfolio files';
3150: } elsif ($is_course) {
3151: my $coursedesc;
3152: foreach my $course (keys(%setters)) {
3153: my %courseinfo =
3154: &Apache::lonnet::coursedescription($course);
3155: $coursedesc = $courseinfo{'description'};
3156: }
3157: $category = "Group files in the course '$coursedesc'";
3158: } else {
3159: $category = 'Portfolio files belonging to ';
3160: if ($env{'user.name'} eq 'public' &&
3161: $env{'user.domain'} eq 'public') {
3162: $category .= &plainname($uname,$udom);
3163: } else {
3164: $category .= &aboutmewrapper(&plainname($uname,$udom),$uname,$udom);
3165: }
3166: }
3167: } elsif ($activity eq 'groups') {
3168: $category = 'Groups in this course';
3169: }
3170: my $showstart = &Apache::lonlocal::locallocaltime($startblock);
3171: my $showend = &Apache::lonlocal::locallocaltime($endblock);
3172: $output = '<br />'.&mt('[_1] will be inaccessible between [_2] and [_3] because communication is being blocked.',$category,$showstart,$showend).'<br />';
3173: if (!($activity eq 'port' && !($ownitem) && !($is_course))) {
3174: $output .= &build_block_table($startblock,$endblock,\%setters);
3175: }
3176: }
3177: }
3178: if (wantarray) {
3179: return ($blocked,$output);
3180: } else {
3181: return $blocked;
3182: }
3183: }
3184:
1.60 matthew 3185: ###############################################
3186:
3187: =pod
3188:
1.112 bowersj2 3189: =head1 Domain Template Functions
3190:
3191: =over 4
3192:
3193: =item * &determinedomain()
1.60 matthew 3194:
3195: Inputs: $domain (usually will be undef)
3196:
1.63 www 3197: Returns: Determines which domain should be used for designs
1.60 matthew 3198:
3199: =cut
1.54 www 3200:
1.60 matthew 3201: ###############################################
1.63 www 3202: sub determinedomain {
3203: my $domain=shift;
1.531 albertel 3204: if (! $domain) {
1.60 matthew 3205: # Determine domain if we have not been given one
3206: $domain = $Apache::lonnet::perlvar{'lonDefDomain'};
1.258 albertel 3207: if ($env{'user.domain'}) { $domain=$env{'user.domain'}; }
3208: if ($env{'request.role.domain'}) {
3209: $domain=$env{'request.role.domain'};
1.60 matthew 3210: }
3211: }
1.63 www 3212: return $domain;
3213: }
3214: ###############################################
1.517 raeburn 3215:
1.518 albertel 3216: sub devalidate_domconfig_cache {
3217: my ($udom)=@_;
3218: &Apache::lonnet::devalidate_cache_new('domainconfig',$udom);
3219: }
3220:
3221: # ---------------------- Get domain configuration for a domain
3222: sub get_domainconf {
3223: my ($udom) = @_;
3224: my $cachetime=1800;
3225: my ($result,$cached)=&Apache::lonnet::is_cached_new('domainconfig',$udom);
3226: if (defined($cached)) { return %{$result}; }
3227:
3228: my %domconfig = &Apache::lonnet::get_dom('configuration',
3229: ['login','rolecolors'],$udom);
3230: my %designhash;
3231: if (keys(%domconfig) > 0) {
3232: if (ref($domconfig{'login'}) eq 'HASH') {
3233: foreach my $key (keys(%{$domconfig{'login'}})) {
3234: $designhash{$udom.'.login.'.$key}=$domconfig{'login'}{$key};
3235: }
3236: }
3237: if (ref($domconfig{'rolecolors'}) eq 'HASH') {
3238: foreach my $role (keys(%{$domconfig{'rolecolors'}})) {
3239: if (ref($domconfig{'rolecolors'}{$role}) eq 'HASH') {
3240: foreach my $item (keys(%{$domconfig{'rolecolors'}{$role}})) {
3241: $designhash{$udom.'.'.$role.'.'.$item}=$domconfig{'rolecolors'}{$role}{$item};
3242: }
3243: }
3244: }
3245: }
3246: } else {
3247: my $designdir=$Apache::lonnet::perlvar{'lonTabDir'}.'/lonDomColors';
3248: my $designfile = $designdir.'/'.$udom.'.tab';
3249: if (-e $designfile) {
3250: if ( open (my $fh,"<$designfile") ) {
3251: while (my $line = <$fh>) {
3252: next if ($line =~ /^\#/);
3253: chomp($line);
3254: my ($key,$val)=(split(/\=/,$line));
3255: if ($val) { $designhash{$udom.'.'.$key}=$val; }
3256: }
3257: close($fh);
3258: }
3259: }
3260: if (-e '/home/httpd/html/adm/lonDomLogos/'.$udom.'.gif') {
1.519 raeburn 3261: $designhash{$udom.'.login.domlogo'} = "/adm/lonDomLogos/$udom.gif";
1.518 albertel 3262: }
3263: }
3264: &Apache::lonnet::do_cache_new('domainconfig',$udom,\%designhash,
3265: $cachetime);
3266: return %designhash;
3267: }
3268:
1.63 www 3269: =pod
3270:
1.112 bowersj2 3271: =item * &domainlogo()
1.63 www 3272:
3273: Inputs: $domain (usually will be undef)
3274:
3275: Returns: A link to a domain logo, if the domain logo exists.
3276: If the domain logo does not exist, a description of the domain.
3277:
3278: =cut
1.112 bowersj2 3279:
1.63 www 3280: ###############################################
3281: sub domainlogo {
1.517 raeburn 3282: my $domain = &determinedomain(shift);
1.518 albertel 3283: my %designhash = &get_domainconf($domain);
1.517 raeburn 3284: # See if there is a logo
3285: if ($designhash{$domain.'.login.domlogo'} ne '') {
1.519 raeburn 3286: my $imgsrc = $designhash{$domain.'.login.domlogo'};
1.538 albertel 3287: if ($imgsrc =~ m{^/(adm|res)/}) {
3288: if ($imgsrc =~ m{^/res/}) {
3289: my $local_name = &Apache::lonnet::filelocation('',$imgsrc);
3290: &Apache::lonnet::repcopy($local_name);
3291: }
3292: $imgsrc = &lonhttpdurl($imgsrc);
1.519 raeburn 3293: }
3294: return '<img src="'.$imgsrc.'" alt="'.$domain.'" />';
1.514 albertel 3295: } elsif (defined(&Apache::lonnet::domain($domain,'description'))) {
3296: return &Apache::lonnet::domain($domain,'description');
1.59 www 3297: } else {
1.60 matthew 3298: return '';
1.59 www 3299: }
3300: }
1.63 www 3301: ##############################################
3302:
3303: =pod
3304:
1.112 bowersj2 3305: =item * &designparm()
1.63 www 3306:
3307: Inputs: $which parameter; $domain (usually will be undef)
3308:
3309: Returns: value of designparamter $which
3310:
3311: =cut
1.112 bowersj2 3312:
1.397 albertel 3313:
1.400 albertel 3314: ##############################################
1.397 albertel 3315: sub designparm {
3316: my ($which,$domain)=@_;
1.258 albertel 3317: if ($env{'browser.blackwhite'} eq 'on') {
1.110 www 3318: if ($which=~/\.(font|alink|vlink|link)$/) {
3319: return '#000000';
3320: }
3321: if ($which=~/\.(pgbg|sidebg)$/) {
3322: return '#FFFFFF';
3323: }
3324: if ($which=~/\.tabbg$/) {
3325: return '#CCCCCC';
3326: }
3327: }
1.397 albertel 3328: if (exists($env{'environment.color.'.$which})) {
1.258 albertel 3329: return $env{'environment.color.'.$which};
1.96 www 3330: }
1.63 www 3331: $domain=&determinedomain($domain);
1.518 albertel 3332: my %domdesign = &get_domainconf($domain);
1.520 raeburn 3333: my $output;
1.517 raeburn 3334: if ($domdesign{$domain.'.'.$which} ne '') {
1.520 raeburn 3335: $output = $domdesign{$domain.'.'.$which};
1.63 www 3336: } else {
1.520 raeburn 3337: $output = $defaultdesign{$which};
3338: }
3339: if (($which =~ /^(student|coordinator|author|admin)\.img$/) ||
3340: ($which =~ /login\.(img|logo|domlogo)/)) {
1.538 albertel 3341: if ($output =~ m{^/(adm|res)/}) {
3342: if ($output =~ m{^/res/}) {
3343: my $local_name = &Apache::lonnet::filelocation('',$output);
3344: &Apache::lonnet::repcopy($local_name);
3345: }
1.520 raeburn 3346: $output = &lonhttpdurl($output);
3347: }
1.63 www 3348: }
1.520 raeburn 3349: return $output;
1.63 www 3350: }
1.59 www 3351:
1.60 matthew 3352: ###############################################
3353: ###############################################
3354:
3355: =pod
3356:
1.112 bowersj2 3357: =back
3358:
1.549 albertel 3359: =head1 HTML Helpers
1.112 bowersj2 3360:
3361: =over 4
3362:
3363: =item * &bodytag()
1.60 matthew 3364:
3365: Returns a uniform header for LON-CAPA web pages.
3366:
3367: Inputs:
3368:
1.112 bowersj2 3369: =over 4
3370:
3371: =item * $title, A title to be displayed on the page.
3372:
3373: =item * $function, the current role (can be undef).
3374:
3375: =item * $addentries, extra parameters for the <body> tag.
3376:
3377: =item * $bodyonly, if defined, only return the <body> tag.
3378:
3379: =item * $domain, if defined, force a given domain.
3380:
3381: =item * $forcereg, if page should register as content page (relevant for
1.86 www 3382: text interface only)
1.60 matthew 3383:
1.326 albertel 3384: =item * $customtitle, alternate text to use instead of $title
3385: in the title box that appears, this text
3386: is not auto translated like the $title is
1.309 albertel 3387:
3388: =item * $notopbar, if true, keep the 'what is this' info but remove the
3389: navigational links
1.317 albertel 3390:
1.338 albertel 3391: =item * $bgcolor, used to override the bgcolor on a webpage to a specific value
3392:
3393: =item * $notitle, if true keep the nav controls, but remove the title bar
3394:
1.361 albertel 3395: =item * $no_inline_link, if true and in remote mode, don't show the
3396: 'Switch To Inline Menu' link
3397:
1.460 albertel 3398: =item * $args, optional argument valid values are
3399: no_auto_mt_title -> prevents &mt()ing the title arg
3400:
1.112 bowersj2 3401: =back
3402:
1.60 matthew 3403: Returns: A uniform header for LON-CAPA web pages.
3404: If $bodyonly is nonzero, a string containing a <body> tag will be returned.
3405: If $bodyonly is undef or zero, an html string containing a <body> tag and
3406: other decorations will be returned.
3407:
3408: =cut
3409:
1.54 www 3410: sub bodytag {
1.309 albertel 3411: my ($title,$function,$addentries,$bodyonly,$domain,$forcereg,$customtitle,
1.460 albertel 3412: $notopbar,$bgcolor,$notitle,$no_inline_link,$args)=@_;
1.339 albertel 3413:
1.460 albertel 3414: if (!$args->{'no_auto_mt_title'}) { $title = &mt($title); }
1.339 albertel 3415:
1.183 matthew 3416: $function = &get_users_function() if (!$function);
1.339 albertel 3417: my $img = &designparm($function.'.img',$domain);
3418: my $font = &designparm($function.'.font',$domain);
3419: my $pgbg = $bgcolor || &designparm($function.'.pgbg',$domain);
3420:
3421: my %design = ( 'style' => 'margin-top: 0px',
1.535 albertel 3422: 'bgcolor' => $pgbg,
1.339 albertel 3423: 'text' => $font,
3424: 'alink' => &designparm($function.'.alink',$domain),
3425: 'vlink' => &designparm($function.'.vlink',$domain),
3426: 'link' => &designparm($function.'.link',$domain),);
1.438 albertel 3427: @design{keys(%$addentries)} = @$addentries{keys(%$addentries)};
1.339 albertel 3428:
1.63 www 3429: # role and realm
1.378 raeburn 3430: my ($role,$realm) = split(/\./,$env{'request.role'},2);
3431: if ($role eq 'ca') {
1.479 albertel 3432: my ($rdom,$rname) = ($realm =~ m{^/($match_domain)/($match_username)$});
1.500 albertel 3433: $realm = &plainname($rname,$rdom);
1.378 raeburn 3434: }
1.55 www 3435: # realm
1.258 albertel 3436: if ($env{'request.course.id'}) {
1.378 raeburn 3437: if ($env{'request.role'} !~ /^cr/) {
3438: $role = &Apache::lonnet::plaintext($role,&course_type());
3439: }
1.359 albertel 3440: $realm = $env{'course.'.$env{'request.course.id'}.'.description'};
1.378 raeburn 3441: } else {
3442: $role = &Apache::lonnet::plaintext($role);
1.54 www 3443: }
1.433 albertel 3444:
1.359 albertel 3445: if (!$realm) { $realm=' '; }
1.55 www 3446: # Set messages
1.60 matthew 3447: my $messages=&domainlogo($domain);
1.101 www 3448: # Port for miniserver
1.83 albertel 3449: my $lonhttpdPort=$Apache::lonnet::perlvar{'lonhttpdPort'};
3450: if (!defined($lonhttpdPort)) { $lonhttpdPort='8080'; }
1.330 albertel 3451:
1.438 albertel 3452: my $extra_body_attr = &make_attr_string($forcereg,\%design);
1.329 albertel 3453:
1.101 www 3454: # construct main body tag
1.359 albertel 3455: my $bodytag = "<body $extra_body_attr>".
3456: &Apache::lontexconvert::init_math_support();
1.252 albertel 3457:
1.530 albertel 3458: if ($bodyonly) {
1.60 matthew 3459: return $bodytag;
1.258 albertel 3460: } elsif ($env{'browser.interface'} eq 'textual') {
1.95 www 3461: # Accessibility
1.224 raeburn 3462:
1.337 albertel 3463: $bodytag.=&Apache::lonmenu::menubuttons($forcereg,$forcereg);
1.338 albertel 3464: if (!$notitle) {
1.337 albertel 3465: $bodytag.='<h1>LON-CAPA: '.$title.'</h1>';
3466: }
3467: return $bodytag;
1.359 albertel 3468: }
3469:
1.410 albertel 3470: my $name = &plainname($env{'user.name'},$env{'user.domain'});
1.433 albertel 3471: if ($env{'user.name'} eq 'public' && $env{'user.domain'} eq 'public') {
3472: undef($role);
1.434 albertel 3473: } else {
3474: $name = &aboutmewrapper($name,$env{'user.name'},$env{'user.domain'});
1.433 albertel 3475: }
1.359 albertel 3476:
3477: my $roleinfo=(<<ENDROLE);
3478: <td class="LC_title_bar_who">
3479: <div class="LC_title_bar_name">
1.410 albertel 3480: $name
1.361 albertel 3481:
1.359 albertel 3482: </div>
3483: <div class="LC_title_bar_role">
1.361 albertel 3484: $role
1.359 albertel 3485: </div>
3486: <div class="LC_title_bar_realm">
1.361 albertel 3487: $realm
1.359 albertel 3488: </div>
1.206 albertel 3489: </td>
3490: ENDROLE
1.235 raeburn 3491:
1.359 albertel 3492: my $titleinfo = '<span class="LC_title_bar_title">'.$title.'</span>';
3493: if ($customtitle) {
3494: $titleinfo = $customtitle;
3495: }
3496: #
3497: # Extra info if you are the DC
3498: my $dc_info = '';
3499: if ($env{'user.adv'} && exists($env{'user.role.dc./'.
3500: $env{'course.'.$env{'request.course.id'}.
3501: '.domain'}.'/'})) {
3502: my $cid = $env{'request.course.id'};
3503: $dc_info.= $cid.' '.$env{'course.'.$cid.'.internal.coursecode'};
1.380 www 3504: $dc_info =~ s/\s+$//;
1.359 albertel 3505: $dc_info = '('.$dc_info.')';
3506: }
3507:
3508: if ($env{'environment.remote'} eq 'off') {
3509: # No Remote
1.258 albertel 3510: if ($env{'request.state'} eq 'construct') {
1.359 albertel 3511: $forcereg=1;
3512: }
3513:
3514: if (!$customtitle && $env{'request.state'} eq 'construct') {
3515: # this is for resources; directories have customtitle, and crumbs
3516: # and select recent are created in lonpubdir.pm
1.229 albertel 3517: my ($uname,$thisdisfn)=
1.258 albertel 3518: ($env{'request.filename'} =~ m|^/home/([^/]+)/public_html/(.*)|);
1.229 albertel 3519: my $formaction='/priv/'.$uname.'/'.$thisdisfn;
3520: $formaction=~s/\/+/\//g;
3521:
1.359 albertel 3522: my $parentpath = '';
3523: my $lastitem = '';
3524: if ($thisdisfn =~ m-(.+/)([^/]*)$-) {
3525: $parentpath = $1;
3526: $lastitem = $2;
3527: } else {
3528: $lastitem = $thisdisfn;
3529: }
3530: $titleinfo =
1.401 albertel 3531: &Apache::loncommon::help_open_menu('','',3,'Authoring').
1.359 albertel 3532: '<b>Construction Space</b>: '.
3533: '<form name="dirs" method="post" action="'.$formaction
3534: .'" target="_top"><tt><b>'
3535: .&Apache::lonhtmlcommon::crumbs($uname.'/'.$parentpath,'_top','/priv','','+1',1)."<font size=\"+1\">$lastitem</font></b></tt><br />"
3536: .&Apache::lonhtmlcommon::select_recent('construct','recent','this.form.action=this.form.recent.value;this.form.submit()')
3537: .'</form>'
3538: .&Apache::lonmenu::constspaceform();
1.235 raeburn 3539: }
1.359 albertel 3540:
1.337 albertel 3541: my $titletable;
1.338 albertel 3542: if (!$notitle) {
1.337 albertel 3543: $titletable =
1.359 albertel 3544: '<table id="LC_title_bar">'.
3545: "<tr><td> $titleinfo $dc_info</td>".$roleinfo.
3546: '</tr></table>';
1.337 albertel 3547: }
1.359 albertel 3548: if ($notopbar) {
3549: $bodytag .= $titletable;
3550: } else {
3551: if ($env{'request.state'} eq 'construct') {
1.337 albertel 3552: $bodytag .= &Apache::lonmenu::menubuttons($forcereg,$forcereg,
3553: $titletable);
1.272 raeburn 3554: } else {
1.336 albertel 3555: $bodytag .= &Apache::lonmenu::menubuttons($forcereg,$forcereg).
1.359 albertel 3556: $titletable;
1.272 raeburn 3557: }
1.235 raeburn 3558: }
3559: return $bodytag;
1.94 www 3560: }
1.95 www 3561:
1.93 www 3562: #
1.95 www 3563: # Top frame rendering, Remote is up
1.93 www 3564: #
1.359 albertel 3565:
1.517 raeburn 3566: my $imgsrc = $img;
3567: if ($img =~ /^\/adm/) {
3568: $imgsrc = 'http://'.$ENV{'HTTP_HOST'}.':'.$lonhttpdPort.$img;
3569: }
3570: my $upperleft='<img src="'.$imgsrc.'" alt="'.$function.'" />';
1.359 albertel 3571:
1.305 www 3572: # Explicit link to get inline menu
1.361 albertel 3573: my $menu= ($no_inline_link?''
3574: :'<br /><a href="/adm/remote?action=collapse">'.&mt('Switch to Inline Menu Mode').'</a>');
1.245 matthew 3575: #
1.338 albertel 3576: if ($notitle) {
1.337 albertel 3577: return $bodytag;
3578: }
1.94 www 3579: return(<<ENDBODY);
1.60 matthew 3580: $bodytag
1.359 albertel 3581: <table id="LC_title_bar" class="LC_with_remote">
1.368 albertel 3582: <tr><td class="LC_title_bar_role_logo">$upperleft</td>
1.359 albertel 3583: <td class="LC_title_bar_domain_logo">$messages </td>
1.54 www 3584: </tr>
1.359 albertel 3585: <tr><td>$titleinfo $dc_info $menu</td>
3586: $roleinfo
1.368 albertel 3587: </tr>
1.356 albertel 3588: </table>
1.54 www 3589: ENDBODY
1.182 matthew 3590: }
3591:
1.330 albertel 3592: sub make_attr_string {
3593: my ($register,$attr_ref) = @_;
3594:
3595: if ($attr_ref && !ref($attr_ref)) {
3596: die("addentries Must be a hash ref ".
3597: join(':',caller(1))." ".
3598: join(':',caller(0))." ");
3599: }
3600:
3601: if ($register) {
1.339 albertel 3602: my ($on_load,$on_unload);
3603: foreach my $key (keys(%{$attr_ref})) {
3604: if (lc($key) eq 'onload') {
3605: $on_load.=$attr_ref->{$key}.';';
3606: delete($attr_ref->{$key});
3607:
3608: } elsif (lc($key) eq 'onunload') {
3609: $on_unload.=$attr_ref->{$key}.';';
3610: delete($attr_ref->{$key});
3611: }
3612: }
3613: $attr_ref->{'onload'} =
3614: &Apache::lonmenu::loadevents(). $on_load;
3615: $attr_ref->{'onunload'}=
3616: &Apache::lonmenu::unloadevents().$on_unload;
3617: }
3618:
3619: # Accessibility font enhance
3620: if ($env{'browser.fontenhance'} eq 'on') {
3621: my $style;
3622: foreach my $key (keys(%{$attr_ref})) {
3623: if (lc($key) eq 'style') {
3624: $style.=$attr_ref->{$key}.';';
3625: delete($attr_ref->{$key});
3626: }
3627: }
3628: $attr_ref->{'style'}=$style.'; font-size: x-large;';
1.330 albertel 3629: }
1.339 albertel 3630:
3631: if ($env{'browser.blackwhite'} eq 'on') {
3632: delete($attr_ref->{'font'});
3633: delete($attr_ref->{'link'});
3634: delete($attr_ref->{'alink'});
3635: delete($attr_ref->{'vlink'});
3636: delete($attr_ref->{'bgcolor'});
3637: delete($attr_ref->{'background'});
3638: }
3639:
1.330 albertel 3640: my $attr_string;
3641: foreach my $attr (keys(%$attr_ref)) {
3642: $attr_string .= " $attr=\"".$attr_ref->{$attr}.'" ';
3643: }
3644: return $attr_string;
3645: }
3646:
3647:
1.182 matthew 3648: ###############################################
1.251 albertel 3649: ###############################################
3650:
3651: =pod
3652:
3653: =item * &endbodytag()
3654:
3655: Returns a uniform footer for LON-CAPA web pages.
3656:
1.306 albertel 3657: Inputs: none
1.251 albertel 3658:
3659: =cut
3660:
3661: sub endbodytag {
3662: my $endbodytag='</body>';
1.269 albertel 3663: $endbodytag=&Apache::lontexconvert::jsMath_process()."\n".$endbodytag;
1.315 albertel 3664: if ( exists( $env{'internal.head.redirect'} ) ) {
3665: $endbodytag=
3666: "<br /><a href=\"$env{'internal.head.redirect'}\">".
3667: &mt('Continue').'</a>'.
3668: $endbodytag;
3669: }
1.251 albertel 3670: return $endbodytag;
3671: }
3672:
1.352 albertel 3673: =pod
3674:
3675: =item * &standard_css()
3676:
3677: Returns a style sheet
3678:
3679: Inputs: (all optional)
3680: domain -> force to color decorate a page for a specific
3681: domain
3682: function -> force usage of a specific rolish color scheme
3683: bgcolor -> override the default page bgcolor
3684:
3685: =cut
3686:
1.343 albertel 3687: sub standard_css {
1.345 albertel 3688: my ($function,$domain,$bgcolor) = @_;
1.352 albertel 3689: $function = &get_users_function() if (!$function);
3690: my $img = &designparm($function.'.img', $domain);
3691: my $tabbg = &designparm($function.'.tabbg', $domain);
3692: my $font = &designparm($function.'.font', $domain);
1.345 albertel 3693: my $sidebg = &designparm($function.'.sidebg',$domain);
1.382 albertel 3694: my $pgbg_or_bgcolor =
3695: $bgcolor ||
1.352 albertel 3696: &designparm($function.'.pgbg', $domain);
1.382 albertel 3697: my $pgbg = &designparm($function.'.pgbg', $domain);
1.352 albertel 3698: my $alink = &designparm($function.'.alink', $domain);
3699: my $vlink = &designparm($function.'.vlink', $domain);
3700: my $link = &designparm($function.'.link', $domain);
3701:
3702: my $sans = 'Arial,Helvetica,sans-serif';
1.395 albertel 3703: my $mono = 'monospace';
1.352 albertel 3704: my $data_table_head = $tabbg;
3705: my $data_table_light = '#EEEEEE';
1.470 banghart 3706: my $data_table_dark = '#DDDDDD';
3707: my $data_table_darker = '#CCCCCC';
1.349 albertel 3708: my $data_table_highlight = '#FFFF00';
1.352 albertel 3709: my $mail_new = '#FFBB77';
3710: my $mail_new_hover = '#DD9955';
3711: my $mail_read = '#BBBB77';
3712: my $mail_read_hover = '#999944';
3713: my $mail_replied = '#AAAA88';
3714: my $mail_replied_hover = '#888855';
3715: my $mail_other = '#99BBBB';
3716: my $mail_other_hover = '#669999';
1.391 albertel 3717: my $table_header = '#DDDDDD';
1.489 raeburn 3718: my $feedback_link_bg = '#BBBBBB';
1.392 albertel 3719:
3720: my $border = ($env{'browser.type'} eq 'explorer') ? '0px 2px 0px 2px'
3721: : '0px 3px 0px 4px';
1.448 albertel 3722:
1.523 albertel 3723:
1.343 albertel 3724: return <<END;
1.345 albertel 3725: h1, h2, h3, th { font-family: $sans }
1.343 albertel 3726: a:focus { color: red; background: yellow }
1.510 albertel 3727: table.thinborder,
1.523 albertel 3728:
1.510 albertel 3729: table.thinborder tr th {
3730: border-style: solid;
3731: border-width: 1px;
3732: background: $tabbg;
3733: }
1.523 albertel 3734: table.thinborder tr td {
1.510 albertel 3735: border-style: solid;
3736: border-width: 1px
3737: }
1.426 albertel 3738:
1.343 albertel 3739: form, .inline { display: inline; }
3740: .center { text-align: center; }
1.395 albertel 3741: .LC_filename {font-family: $mono;}
1.350 albertel 3742: .LC_error {
3743: color: red;
3744: font-size: larger;
3745: }
1.457 albertel 3746: .LC_warning,
3747: .LC_diff_removed {
1.394 albertel 3748: color: red;
3749: }
1.532 albertel 3750:
3751: .LC_info,
1.457 albertel 3752: .LC_success,
3753: .LC_diff_added {
1.350 albertel 3754: color: green;
3755: }
1.543 albertel 3756: .LC_unknown {
3757: color: yellow;
3758: }
3759:
1.440 albertel 3760: .LC_icon {
3761: border: 0px;
3762: }
1.539 albertel 3763: .LC_indexer_icon {
3764: border: 0px;
3765: height: 22px;
3766: }
1.543 albertel 3767: .LC_docs_spacer {
3768: width: 25px;
3769: height: 1px;
3770: border: 0px;
3771: }
1.346 albertel 3772:
1.532 albertel 3773: .LC_internal_info {
3774: color: #999;
3775: }
3776:
1.458 albertel 3777: table.LC_pastsubmission {
3778: border: 1px solid black;
3779: margin: 2px;
3780: }
3781:
1.392 albertel 3782: table#LC_top_nav, table#LC_menubuttons {
1.345 albertel 3783: width: 100%;
3784: background: $pgbg;
1.392 albertel 3785: border: 2px;
1.402 albertel 3786: border-collapse: separate;
1.403 albertel 3787: padding: 0px;
1.345 albertel 3788: }
1.392 albertel 3789:
1.409 albertel 3790: table#LC_title_bar, table.LC_breadcrumbs, table#LC_nav_location,
1.393 albertel 3791: table#LC_title_bar.LC_with_remote {
1.359 albertel 3792: width: 100%;
1.392 albertel 3793: border-color: $pgbg;
3794: border-style: solid;
3795: border-width: $border;
3796:
1.379 albertel 3797: background: $pgbg;
3798: font-family: $sans;
1.392 albertel 3799: border-collapse: collapse;
1.403 albertel 3800: padding: 0px;
1.359 albertel 3801: }
1.392 albertel 3802:
1.409 albertel 3803: table.LC_docs_path {
3804: width: 100%;
3805: border: 0;
3806: background: $pgbg;
3807: font-family: $sans;
3808: border-collapse: collapse;
3809: padding: 0px;
3810: }
3811:
1.359 albertel 3812: table#LC_title_bar td {
3813: background: $tabbg;
3814: }
3815: table#LC_title_bar td.LC_title_bar_who {
3816: background: $tabbg;
3817: color: $font;
1.427 albertel 3818: font: small $sans;
1.359 albertel 3819: text-align: right;
3820: }
1.469 banghart 3821: span.LC_metadata {
3822: font-family: $sans;
3823: }
1.359 albertel 3824: span.LC_title_bar_title {
1.416 albertel 3825: font: bold x-large $sans;
1.359 albertel 3826: }
3827: table#LC_title_bar td.LC_title_bar_domain_logo {
3828: background: $sidebg;
3829: text-align: right;
1.368 albertel 3830: padding: 0px;
3831: }
3832: table#LC_title_bar td.LC_title_bar_role_logo {
3833: background: $sidebg;
3834: padding: 0px;
1.359 albertel 3835: }
3836:
1.346 albertel 3837: table#LC_menubuttons_mainmenu {
1.526 www 3838: width: 100%;
1.346 albertel 3839: border: 0px;
3840: border-spacing: 1px;
1.372 albertel 3841: padding: 0px 1px;
1.346 albertel 3842: margin: 0px;
3843: border-collapse: separate;
3844: }
3845: table#LC_menubuttons img, table#LC_menubuttons_mainmenu img {
3846: border: 0px;
3847: }
1.345 albertel 3848: table#LC_top_nav td {
3849: background: $tabbg;
1.392 albertel 3850: border: 0px;
1.407 albertel 3851: font-size: small;
1.345 albertel 3852: }
3853: table#LC_top_nav td a, div#LC_top_nav a {
3854: color: $font;
3855: font-family: $sans;
3856: }
1.364 albertel 3857: table#LC_top_nav td.LC_top_nav_logo {
3858: background: $tabbg;
1.432 albertel 3859: text-align: left;
1.408 albertel 3860: white-space: nowrap;
1.432 albertel 3861: width: 31px;
1.408 albertel 3862: }
3863: table#LC_top_nav td.LC_top_nav_logo img {
1.432 albertel 3864: border: 0px;
1.408 albertel 3865: vertical-align: bottom;
1.364 albertel 3866: }
1.432 albertel 3867: table#LC_top_nav td.LC_top_nav_exit,
3868: table#LC_top_nav td.LC_top_nav_help {
3869: width: 2.0em;
3870: }
1.442 albertel 3871: table#LC_top_nav td.LC_top_nav_login {
3872: width: 4.0em;
3873: text-align: center;
3874: }
1.409 albertel 3875: table.LC_breadcrumbs td, table.LC_docs_path td {
1.357 albertel 3876: background: $tabbg;
3877: color: $font;
3878: font-family: $sans;
1.358 albertel 3879: font-size: smaller;
1.357 albertel 3880: }
1.411 albertel 3881: table.LC_breadcrumbs td.LC_breadcrumbs_component,
1.409 albertel 3882: table.LC_docs_path td.LC_docs_path_component {
1.357 albertel 3883: background: $tabbg;
3884: color: $font;
3885: font-family: $sans;
3886: font-size: larger;
3887: text-align: right;
3888: }
1.383 albertel 3889: td.LC_table_cell_checkbox {
3890: text-align: center;
3891: }
3892:
1.522 albertel 3893: table#LC_mainmenu td.LC_mainmenu_column {
3894: vertical-align: top;
3895: }
3896:
1.346 albertel 3897: .LC_menubuttons_inline_text {
3898: color: $font;
3899: font-family: $sans;
3900: font-size: smaller;
3901: }
3902:
1.526 www 3903: .LC_menubuttons_link {
3904: text-decoration: none;
3905: }
3906:
1.522 albertel 3907: .LC_menubuttons_category {
1.521 www 3908: color: $font;
1.526 www 3909: background: $pgbg;
1.521 www 3910: font-family: $sans;
3911: font-size: larger;
3912: font-weight: bold;
3913: }
3914:
1.346 albertel 3915: td.LC_menubuttons_text {
1.526 www 3916: width: 90%;
1.346 albertel 3917: color: $font;
3918: font-family: $sans;
3919: }
1.526 www 3920:
1.346 albertel 3921: td.LC_menubuttons_img {
3922: }
1.526 www 3923:
1.346 albertel 3924: .LC_current_location {
3925: font-family: $sans;
3926: background: $tabbg;
3927: }
3928: .LC_new_mail {
3929: font-family: $sans;
3930: font-weight: bold;
3931: }
1.347 albertel 3932:
1.526 www 3933: .LC_rolesmenu_is {
3934: font-family: $sans;
3935: }
3936:
3937: .LC_rolesmenu_selected {
3938: font-family: $sans;
3939: }
3940:
3941: .LC_rolesmenu_future {
3942: font-family: $sans;
3943: }
3944:
3945:
3946: .LC_rolesmenu_will {
3947: font-family: $sans;
3948: }
3949:
3950: .LC_rolesmenu_will_not {
3951: font-family: $sans;
3952: }
3953:
3954: .LC_rolesmenu_expired {
3955: font-family: $sans;
3956: }
3957:
3958: .LC_rolesinfo {
3959: font-family: $sans;
3960: }
3961:
1.527 www 3962: .LC_dropadd_labeltext {
3963: font-family: $sans;
3964: text-align: right;
3965: }
3966:
3967: .LC_preferences_labeltext {
3968: font-family: $sans;
3969: text-align: right;
3970: }
3971:
1.440 albertel 3972: table.LC_aboutme_port {
3973: border: 0px;
3974: border-collapse: collapse;
3975: border-spacing: 0px;
3976: }
1.349 albertel 3977: table.LC_data_table, table.LC_mail_list {
1.347 albertel 3978: border: 1px solid #000000;
1.402 albertel 3979: border-collapse: separate;
1.426 albertel 3980: border-spacing: 1px;
1.347 albertel 3981: }
1.422 albertel 3982: .LC_data_table_dense {
3983: font-size: small;
3984: }
1.507 raeburn 3985: table.LC_nested_outer {
3986: border: 1px solid #000000;
3987: border-collapse: separate;
3988: border-spacing: 0px;
3989: width: 100%;
3990: }
3991: table.LC_nested {
3992: border: 0px;
3993: border-collapse: separate;
3994: border-spacing: 0px;
3995: width: 100%;
3996: }
1.523 albertel 3997: table.LC_data_table tr th, table.LC_calendar tr th, table.LC_mail_list tr th,
3998: table.LC_prior_tries tr th {
1.349 albertel 3999: font-weight: bold;
4000: background-color: $data_table_head;
1.421 albertel 4001: font-size: smaller;
1.347 albertel 4002: }
1.440 albertel 4003: table.LC_data_table tr td,
4004: table.LC_aboutme_port tr td {
1.349 albertel 4005: background-color: $data_table_light;
1.425 albertel 4006: padding: 2px;
1.347 albertel 4007: }
1.440 albertel 4008: table.LC_data_table tr.LC_even_row td,
4009: table.LC_aboutme_port tr.LC_even_row td {
1.349 albertel 4010: background-color: $data_table_dark;
1.347 albertel 4011: }
1.425 albertel 4012: table.LC_data_table tr.LC_data_table_highlight td {
4013: background-color: $data_table_darker;
4014: }
1.451 albertel 4015: table.LC_data_table tr.LC_empty_row td,
1.507 raeburn 4016: table.LC_nested tr.LC_empty_row td {
1.347 albertel 4017: background-color: #FFFFFF;
1.421 albertel 4018: font-weight: bold;
4019: font-style: italic;
4020: text-align: center;
4021: padding: 8px;
1.347 albertel 4022: }
1.507 raeburn 4023: table.LC_nested tr.LC_empty_row td {
1.465 albertel 4024: padding: 4ex
4025: }
1.507 raeburn 4026: table.LC_nested_outer tr th {
4027: font-weight: bold;
4028: background-color: $data_table_head;
4029: font-size: smaller;
4030: border-bottom: 1px solid #000000;
4031: }
4032: table.LC_nested_outer tr td.LC_subheader {
4033: background-color: $data_table_head;
4034: font-weight: bold;
4035: font-size: small;
4036: border-bottom: 1px solid #000000;
4037: text-align: right;
1.451 albertel 4038: }
1.507 raeburn 4039: table.LC_nested tr.LC_info_row td {
1.451 albertel 4040: background-color: #CCC;
4041: font-weight: bold;
4042: font-size: small;
1.507 raeburn 4043: text-align: center;
4044: }
4045: table.LC_nested tr.LC_info_row td.LC_left_item {
4046: text-align: left;
1.451 albertel 4047: }
1.507 raeburn 4048: table.LC_nested td {
1.451 albertel 4049: background-color: #FFF;
4050: font-size: small;
1.507 raeburn 4051: }
4052: table.LC_nested_outer tr th.LC_right_item,
4053: table.LC_nested tr.LC_info_row td.LC_right_item,
4054: table.LC_nested tr.LC_odd_row td.LC_right_item,
4055: table.LC_nested tr td.LC_right_item {
1.451 albertel 4056: text-align: right;
4057: }
4058:
1.507 raeburn 4059: table.LC_nested tr.LC_odd_row td {
1.451 albertel 4060: background-color: #EEE;
4061: }
4062:
1.473 raeburn 4063: table.LC_createuser {
4064: }
4065:
4066: table.LC_createuser tr.LC_section_row td {
4067: font-size: smaller;
4068: }
4069:
4070: table.LC_createuser tr.LC_info_row td {
4071: background-color: #CCC;
4072: font-weight: bold;
4073: text-align: center;
4074: }
4075:
1.349 albertel 4076: table.LC_calendar {
4077: border: 1px solid #000000;
4078: border-collapse: collapse;
4079: }
4080: table.LC_calendar_pickdate {
4081: font-size: xx-small;
4082: }
4083: table.LC_calendar tr td {
4084: border: 1px solid #000000;
4085: vertical-align: top;
4086: }
4087: table.LC_calendar tr td.LC_calendar_day_empty {
4088: background-color: $data_table_dark;
4089: }
4090: table.LC_calendar tr td.LC_calendar_day_current {
4091: background-color: $data_table_highlight;
4092: }
4093:
4094: table.LC_mail_list tr.LC_mail_new {
4095: background-color: $mail_new;
4096: }
4097: table.LC_mail_list tr.LC_mail_new:hover {
4098: background-color: $mail_new_hover;
4099: }
4100: table.LC_mail_list tr.LC_mail_read {
4101: background-color: $mail_read;
4102: }
4103: table.LC_mail_list tr.LC_mail_read:hover {
4104: background-color: $mail_read_hover;
4105: }
4106: table.LC_mail_list tr.LC_mail_replied {
4107: background-color: $mail_replied;
4108: }
4109: table.LC_mail_list tr.LC_mail_replied:hover {
4110: background-color: $mail_replied_hover;
4111: }
4112: table.LC_mail_list tr.LC_mail_other {
4113: background-color: $mail_other;
4114: }
4115: table.LC_mail_list tr.LC_mail_other:hover {
4116: background-color: $mail_other_hover;
4117: }
1.494 raeburn 4118: table.LC_mail_list tr.LC_mail_even {
4119: }
4120: table.LC_mail_list tr.LC_mail_odd {
4121: }
4122:
1.385 albertel 4123:
1.386 albertel 4124: table#LC_portfolio_actions {
4125: width: auto;
4126: background: $pgbg;
4127: border: 0px;
4128: border-spacing: 2px 2px;
4129: padding: 0px;
4130: margin: 0px;
4131: border-collapse: separate;
4132: }
4133: table#LC_portfolio_actions td.LC_label {
4134: background: $tabbg;
4135: text-align: right;
4136: }
4137: table#LC_portfolio_actions td.LC_value {
4138: background: $tabbg;
4139: }
1.385 albertel 4140:
1.391 albertel 4141: table#LC_cstr_controls {
4142: width: 100%;
4143: border-collapse: collapse;
4144: }
4145: table#LC_cstr_controls tr td {
4146: border: 4px solid $pgbg;
4147: padding: 4px;
4148: text-align: center;
4149: background: $tabbg;
4150: }
4151: table#LC_cstr_controls tr th {
4152: border: 4px solid $pgbg;
4153: background: $table_header;
4154: text-align: center;
4155: font-family: $sans;
4156: font-size: smaller;
4157: }
4158:
1.389 albertel 4159: table#LC_browser {
4160:
4161: }
4162: table#LC_browser tr th {
1.391 albertel 4163: background: $table_header;
1.389 albertel 4164: }
1.390 albertel 4165: table#LC_browser tr td {
4166: padding: 2px;
4167: }
1.389 albertel 4168: table#LC_browser tr.LC_browser_file,
4169: table#LC_browser tr.LC_browser_file_published {
4170: background: #CCFF88;
4171: }
4172: table#LC_browser tr.LC_browser_file_locked,
4173: table#LC_browser tr.LC_browser_file_unpublished {
4174: background: #FFAA99;
1.387 albertel 4175: }
1.389 albertel 4176: table#LC_browser tr.LC_browser_file_obsolete {
4177: background: #AAAAAA;
1.387 albertel 4178: }
1.455 albertel 4179: table#LC_browser tr.LC_browser_file_modified,
4180: table#LC_browser tr.LC_browser_file_metamodified {
1.389 albertel 4181: background: #FFFF77;
1.387 albertel 4182: }
1.389 albertel 4183: table#LC_browser tr.LC_browser_folder {
4184: background: #CCCCFF;
1.387 albertel 4185: }
1.388 albertel 4186: span.LC_current_location {
4187: font-size: x-large;
4188: background: $pgbg;
4189: }
1.387 albertel 4190:
1.395 albertel 4191: span.LC_parm_menu_item {
4192: font-size: larger;
4193: font-family: $sans;
4194: }
4195: span.LC_parm_scope_all {
4196: color: red;
4197: }
4198: span.LC_parm_scope_folder {
4199: color: green;
4200: }
4201: span.LC_parm_scope_resource {
4202: color: orange;
4203: }
4204: span.LC_parm_part {
4205: color: blue;
4206: }
4207: span.LC_parm_folder, span.LC_parm_symb {
4208: font-size: x-small;
4209: font-family: $mono;
4210: color: #AAAAAA;
4211: }
4212:
1.396 albertel 4213: td.LC_parm_overview_level_menu, td.LC_parm_overview_map_menu,
4214: td.LC_parm_overview_parm_selectors, td.LC_parm_overview_parm_restrictions {
4215: border: 1px solid black;
4216: border-collapse: collapse;
4217: }
4218: table.LC_parm_overview_restrictions td {
4219: border-width: 1px 4px 1px 4px;
4220: border-style: solid;
4221: border-color: $pgbg;
4222: text-align: center;
4223: }
4224: table.LC_parm_overview_restrictions th {
4225: background: $tabbg;
4226: border-width: 1px 4px 1px 4px;
4227: border-style: solid;
4228: border-color: $pgbg;
4229: }
1.398 albertel 4230: table#LC_helpmenu {
4231: border: 0px;
4232: height: 55px;
4233: border-spacing: 0px;
4234: }
4235:
4236: table#LC_helpmenu fieldset legend {
4237: font-size: larger;
4238: font-weight: bold;
4239: }
1.397 albertel 4240: table#LC_helpmenu_links {
4241: width: 100%;
4242: border: 1px solid black;
4243: background: $pgbg;
4244: padding: 0px;
4245: border-spacing: 1px;
4246: }
4247: table#LC_helpmenu_links tr td {
4248: padding: 1px;
4249: background: $tabbg;
1.399 albertel 4250: text-align: center;
4251: font-weight: bold;
1.397 albertel 4252: }
1.396 albertel 4253:
1.397 albertel 4254: table#LC_helpmenu_links a:link, table#LC_helpmenu_links a:visited,
4255: table#LC_helpmenu_links a:active {
4256: text-decoration: none;
4257: color: $font;
4258: }
4259: table#LC_helpmenu_links a:hover {
4260: text-decoration: underline;
4261: color: $vlink;
4262: }
1.396 albertel 4263:
1.417 albertel 4264: .LC_chrt_popup_exists {
4265: border: 1px solid #339933;
4266: margin: -1px;
4267: }
4268: .LC_chrt_popup_up {
4269: border: 1px solid yellow;
4270: margin: -1px;
4271: }
4272: .LC_chrt_popup {
4273: border: 1px solid #8888FF;
4274: background: #CCCCFF;
4275: }
4276:
1.421 albertel 4277: table.LC_pick_box {
4278: width: 100%;
4279: border-collapse: separate;
4280: background: white;
4281: border: 1px solid black;
4282: border-spacing: 1px;
4283: }
4284: table.LC_pick_box td.LC_pick_box_title {
4285: background: $tabbg;
4286: font-weight: bold;
4287: text-align: right;
4288: width: 184px;
4289: padding: 8px;
4290: }
1.424 albertel 4291: table.LC_pick_box td.LC_pick_box_separator {
1.421 albertel 4292: padding: 0px;
4293: height: 1px;
4294: background: black;
4295: }
4296: table.LC_pick_box td.LC_pick_box_submit {
4297: text-align: right;
4298: }
4299:
1.424 albertel 4300: table.LC_group_priv_box {
4301: background: white;
4302: border: 1px solid black;
4303: border-spacing: 1px;
4304: }
4305: table.LC_group_priv_box td.LC_pick_box_title {
4306: background: $tabbg;
4307: font-weight: bold;
4308: text-align: right;
4309: width: 184px;
4310: }
4311: table.LC_group_priv_box td.LC_groups_fixed {
4312: background: $data_table_light;
4313: text-align: center;
4314: }
4315: table.LC_group_priv_box td.LC_groups_optional {
4316: background: $data_table_dark;
4317: text-align: center;
4318: }
4319: table.LC_group_priv_box td.LC_groups_functionality {
4320: background: $data_table_darker;
4321: text-align: center;
4322: font-weight: bold;
4323: }
4324: table.LC_group_priv td {
4325: text-align: left;
4326: padding: 0px;
4327: }
4328:
1.421 albertel 4329: table.LC_notify_front_page {
4330: background: white;
4331: border: 1px solid black;
4332: padding: 8px;
4333: }
4334: table.LC_notify_front_page td {
4335: padding: 8px;
4336: }
1.424 albertel 4337: .LC_navbuttons {
4338: margin: 2ex 0ex 2ex 0ex;
4339: }
1.423 albertel 4340: .LC_topic_bar {
4341: font-family: $sans;
4342: font-weight: bold;
4343: width: 100%;
4344: background: $tabbg;
4345: vertical-align: middle;
4346: margin: 2ex 0ex 2ex 0ex;
4347: }
4348: .LC_topic_bar span {
4349: vertical-align: middle;
4350: }
4351: .LC_topic_bar img {
4352: vertical-align: bottom;
4353: }
4354: table.LC_course_group_status {
4355: margin: 20px;
4356: }
4357: table.LC_status_selector td {
4358: vertical-align: top;
4359: text-align: center;
1.424 albertel 4360: padding: 4px;
4361: }
4362: table.LC_descriptive_input td.LC_description {
4363: vertical-align: top;
4364: text-align: right;
4365: font-weight: bold;
1.423 albertel 4366: }
1.489 raeburn 4367: table.LC_feedback_link {
4368: background: $feedback_link_bg;
4369: }
4370: span.LC_feedback_link {
4371: background: $feedback_link_bg;
4372: font-size: larger;
4373: }
1.421 albertel 4374:
1.515 albertel 4375: table.LC_prior_tries {
1.524 albertel 4376: border: 1px solid #000000;
4377: border-collapse: separate;
4378: border-spacing: 1px;
1.515 albertel 4379: }
1.523 albertel 4380:
1.515 albertel 4381: table.LC_prior_tries td {
1.524 albertel 4382: padding: 2px;
1.515 albertel 4383: }
1.523 albertel 4384:
4385: .LC_answer_correct {
4386: background: #AAFFAA;
4387: color: black;
4388: }
4389: .LC_answer_charged_try {
4390: background: #FFAAAA ! important;
4391: color: black;
4392: }
4393: .LC_answer_not_charged_try,
4394: .LC_answer_no_grade,
4395: .LC_answer_late {
4396: background: #FFFFAA;
4397: color: black;
4398: }
4399: .LC_answer_previous {
4400: background: #AAAAFF;
4401: color: black;
4402: }
4403: .LC_answer_no_message {
4404: background: #FFFFFF;
4405: color: black;
4406: }
4407: .LC_answer_unknown {
4408: background: orange;
4409: color: black;
4410: }
4411:
4412:
1.529 albertel 4413: span.LC_prior_numerical,
4414: span.LC_prior_string,
4415: span.LC_prior_custom,
4416: span.LC_prior_reaction,
4417: span.LC_prior_math {
1.523 albertel 4418: font-family: monospace;
4419: white-space: pre;
4420: }
4421:
1.525 albertel 4422: span.LC_prior_string {
4423: font-family: monospace;
4424: white-space: pre;
4425: }
4426:
1.523 albertel 4427: table.LC_prior_option {
4428: width: 100%;
4429: border-collapse: collapse;
4430: }
1.528 albertel 4431: table.LC_prior_rank, table.LC_prior_match {
4432: border-collapse: collapse;
4433: }
4434: table.LC_prior_option tr td,
4435: table.LC_prior_rank tr td,
4436: table.LC_prior_match tr td {
1.524 albertel 4437: border: 1px solid #000000;
1.515 albertel 4438: }
4439:
1.519 raeburn 4440: span.LC_nobreak {
1.544 albertel 4441: white-space: nowrap;
1.519 raeburn 4442: }
4443:
1.545 albertel 4444: table.LC_docs_documents {
4445: background: #BBBBBB;
1.547 albertel 4446: border-width: 0px;
1.545 albertel 4447: border-collapse: collapse;
4448: }
4449:
4450: table.LC_docs_documents td.LC_docs_document {
4451: border: 2px solid black;
4452: padding: 4px;
4453: }
4454:
4455: .LC_docs_course_commands div {
4456: float: left;
4457: border: 4px solid #AAAAAA;
4458: padding: 4px;
4459: background: #DDDDCC;
4460: }
4461:
4462: .LC_docs_entry_move {
4463: border: 0px;
4464: border-collapse: collapse;
1.544 albertel 4465: }
4466:
1.545 albertel 4467: .LC_docs_entry_move td {
4468: border: 2px solid #BBBBBB;
4469: background: #DDDDDD;
4470: }
4471:
4472: .LC_docs_editor td.LC_docs_entry_commands {
4473: background: #DDDDDD;
4474: font-size: x-small;
4475: }
1.544 albertel 4476: .LC_docs_copy {
1.545 albertel 4477: color: #000099;
1.544 albertel 4478: }
4479: .LC_docs_cut {
1.545 albertel 4480: color: #550044;
1.544 albertel 4481: }
4482: .LC_docs_rename {
1.545 albertel 4483: color: #009900;
1.544 albertel 4484: }
4485: .LC_docs_remove {
1.545 albertel 4486: color: #990000;
4487: }
4488:
1.547 albertel 4489: .LC_docs_reinit_warn,
4490: .LC_docs_ext_edit {
4491: font-size: x-small;
4492: }
4493:
1.545 albertel 4494: .LC_docs_editor td.LC_docs_entry_title,
4495: .LC_docs_editor td.LC_docs_entry_icon {
4496: background: #FFFFBB;
4497: }
4498: .LC_docs_editor td.LC_docs_entry_parameter {
4499: background: #BBBBFF;
4500: font-size: x-small;
4501: white-space: nowrap;
4502: }
4503:
4504: table.LC_docs_adddocs td,
4505: table.LC_docs_adddocs th {
4506: border: 1px solid #BBBBBB;
4507: padding: 4px;
4508: background: #DDDDDD;
1.543 albertel 4509: }
4510:
1.343 albertel 4511: END
4512: }
4513:
1.306 albertel 4514: =pod
4515:
4516: =item * &headtag()
4517:
4518: Returns a uniform footer for LON-CAPA web pages.
4519:
1.307 albertel 4520: Inputs: $title - optional title for the head
4521: $head_extra - optional extra HTML to put inside the <head>
1.315 albertel 4522: $args - optional arguments
1.319 albertel 4523: force_register - if is true call registerurl so the remote is
4524: informed
1.415 albertel 4525: redirect -> array ref of
4526: 1- seconds before redirect occurs
4527: 2- url to redirect to
4528: 3- whether the side effect should occur
1.315 albertel 4529: (side effect of setting
4530: $env{'internal.head.redirect'} to the url
4531: redirected too)
1.352 albertel 4532: domain -> force to color decorate a page for a specific
4533: domain
4534: function -> force usage of a specific rolish color scheme
4535: bgcolor -> override the default page bgcolor
1.460 albertel 4536: no_auto_mt_title
4537: -> prevent &mt()ing the title arg
1.464 albertel 4538:
1.306 albertel 4539: =cut
4540:
4541: sub headtag {
1.313 albertel 4542: my ($title,$head_extra,$args) = @_;
1.306 albertel 4543:
1.363 albertel 4544: my $function = $args->{'function'} || &get_users_function();
4545: my $domain = $args->{'domain'} || &determinedomain();
4546: my $bgcolor = $args->{'bgcolor'} || &designparm($function.'.pgbg',$domain);
1.418 albertel 4547: my $url = join(':',$env{'user.name'},$env{'user.domain'},
1.458 albertel 4548: $Apache::lonnet::perlvar{'lonVersion'},
1.531 albertel 4549: #time(),
1.418 albertel 4550: $env{'environment.color.timestamp'},
1.363 albertel 4551: $function,$domain,$bgcolor);
4552:
1.369 www 4553: $url = '/adm/css/'.&escape($url).'.css';
1.363 albertel 4554:
1.308 albertel 4555: my $result =
4556: '<head>'.
1.461 albertel 4557: &font_settings();
1.319 albertel 4558:
1.461 albertel 4559: if (!$args->{'frameset'}) {
4560: $result .= &Apache::lonhtmlcommon::htmlareaheaders();
4561: }
1.319 albertel 4562: if ($args->{'force_register'}) {
4563: $result .= &Apache::lonmenu::registerurl(1);
4564: }
1.436 albertel 4565: if (!$args->{'no_nav_bar'}
4566: && !$args->{'only_body'}
4567: && !$args->{'frameset'}) {
4568: $result .= &help_menu_js();
4569: }
1.319 albertel 4570:
1.314 albertel 4571: if (ref($args->{'redirect'})) {
1.414 albertel 4572: my ($time,$url,$inhibit_continue) = @{$args->{'redirect'}};
1.315 albertel 4573: $url = &Apache::lonenc::check_encrypt($url);
1.414 albertel 4574: if (!$inhibit_continue) {
4575: $env{'internal.head.redirect'} = $url;
4576: }
1.313 albertel 4577: $result.=<<ADDMETA
4578: <meta http-equiv="pragma" content="no-cache" />
1.344 albertel 4579: <meta http-equiv="Refresh" content="$time; url=$url" />
1.313 albertel 4580: ADDMETA
4581: }
1.306 albertel 4582: if (!defined($title)) {
4583: $title = 'The LearningOnline Network with CAPA';
4584: }
1.460 albertel 4585: if (!$args->{'no_auto_mt_title'}) { $title = &mt($title); }
4586: $result .= '<title> LON-CAPA '.$title.'</title>'
1.414 albertel 4587: .'<link rel="stylesheet" type="text/css" href="'.$url.'" />'
4588: .$head_extra;
1.306 albertel 4589: return $result;
4590: }
4591:
4592: =pod
4593:
1.340 albertel 4594: =item * &font_settings()
4595:
4596: Returns neccessary <meta> to set the proper encoding
4597:
4598: Inputs: none
4599:
4600: =cut
4601:
4602: sub font_settings {
4603: my $headerstring='';
4604: if (($env{'browser.os'} eq 'mac') && (!$env{'browser.mathml'})) {
4605: $headerstring.=
4606: '<meta Content-Type="text/html; charset=x-mac-roman" />';
4607: } elsif (!$env{'browser.mathml'} && $env{'browser.unicode'}) {
4608: $headerstring.=
4609: '<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />';
4610: }
4611: return $headerstring;
4612: }
4613:
1.341 albertel 4614: =pod
4615:
4616: =item * &xml_begin()
4617:
4618: Returns the needed doctype and <html>
4619:
4620: Inputs: none
4621:
4622: =cut
4623:
4624: sub xml_begin {
4625: my $output='';
4626:
1.342 albertel 4627: &Apache::lonhtmlcommon::init_htmlareafields();
4628:
1.341 albertel 4629: if ($env{'browser.mathml'}) {
4630: $output='<?xml version="1.0"?>'
4631: #.'<?xml-stylesheet type="text/css" href="/adm/MathML/mathml.css"?>'."\n"
4632: # .'<!DOCTYPE html SYSTEM "/adm/MathML/mathml.dtd" '
4633:
4634: # .'<!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">] >'
4635: .'<!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">'
4636: .'<html xmlns:math="http://www.w3.org/1998/Math/MathML" '
4637: .'xmlns="http://www.w3.org/1999/xhtml">';
4638: } else {
4639: $output='<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html>';
4640: }
4641: return $output;
4642: }
1.340 albertel 4643:
4644: =pod
4645:
1.306 albertel 4646: =item * &endheadtag()
4647:
4648: Returns a uniform </head> for LON-CAPA web pages.
4649:
4650: Inputs: none
4651:
4652: =cut
4653:
4654: sub endheadtag {
4655: return '</head>';
4656: }
4657:
4658: =pod
4659:
4660: =item * &head()
4661:
4662: Returns a uniform complete <head>..</head> section for LON-CAPA web pages.
4663:
4664: Inputs: $title - optional title for the page
1.307 albertel 4665: $head_extra - optional extra HTML to put inside the <head>
1.405 albertel 4666:
1.306 albertel 4667: =cut
4668:
4669: sub head {
1.325 albertel 4670: my ($title,$head_extra,$args) = @_;
4671: return &headtag($title,$head_extra,$args).&endheadtag();
1.306 albertel 4672: }
4673:
4674: =pod
4675:
4676: =item * &start_page()
4677:
4678: Returns a complete <html> .. <body> section for LON-CAPA web pages.
4679:
4680: Inputs: $title - optional title for the page
4681: $head_extra - optional extra HTML to incude inside the <head>
1.315 albertel 4682: $args - additional optional args supported are:
1.317 albertel 4683: only_body -> is true will set &bodytag() onlybodytag
4684: arg on
4685: no_nav_bar -> is true will set &bodytag() notopbar arg on
4686: add_entries -> additional attributes to add to the <body>
4687: domain -> force to color decorate a page for a
4688: specific domain
4689: function -> force usage of a specific rolish color
4690: scheme
4691: redirect -> see &headtag()
4692: bgcolor -> override the default page bg color
4693: js_ready -> return a string ready for being used in
4694: a javascript writeln
1.320 albertel 4695: html_encode -> return a string ready for being used in
4696: a html attribute
1.317 albertel 4697: force_register -> if is true will turn on the &bodytag()
4698: $forcereg arg
1.326 albertel 4699: body_title -> alternate text to use instead of $title
4700: in the title box that appears, this text
4701: is not auto translated like the $title is
1.330 albertel 4702: frameset -> if true will start with a <frameset>
4703: rather than <body>
1.338 albertel 4704: no_title -> if true the title bar won't be shown
4705: skip_phases -> hash ref of
4706: head -> skip the <html><head> generation
4707: body -> skip all <body> generation
1.337 albertel 4708:
1.361 albertel 4709: no_inline_link -> if true and in remote mode, don't show the
4710: 'Switch To Inline Menu' link
4711:
1.460 albertel 4712: no_auto_mt_title -> prevent &mt()ing the title arg
4713:
1.306 albertel 4714: =cut
4715:
4716: sub start_page {
1.309 albertel 4717: my ($title,$head_extra,$args) = @_;
1.318 albertel 4718: #&Apache::lonnet::logthis("start_page ".join(':',caller(0)));
1.313 albertel 4719: my %head_args;
1.352 albertel 4720: foreach my $arg ('redirect','force_register','domain','function',
1.460 albertel 4721: 'bgcolor','frameset','no_nav_bar','only_body',
4722: 'no_auto_mt_title') {
1.319 albertel 4723: if (defined($args->{$arg})) {
1.324 raeburn 4724: $head_args{$arg} = $args->{$arg};
1.319 albertel 4725: }
1.313 albertel 4726: }
1.319 albertel 4727:
1.315 albertel 4728: $env{'internal.start_page'}++;
1.338 albertel 4729: my $result;
4730: if (! exists($args->{'skip_phases'}{'head'}) ) {
4731: $result.=
1.341 albertel 4732: &xml_begin().
1.338 albertel 4733: &headtag($title,$head_extra,\%head_args).&endheadtag();
4734: }
4735:
4736: if (! exists($args->{'skip_phases'}{'body'}) ) {
4737: if ($args->{'frameset'}) {
4738: my $attr_string = &make_attr_string($args->{'force_register'},
4739: $args->{'add_entries'});
4740: $result .= "\n<frameset $attr_string>\n";
4741: } else {
4742: $result .=
4743: &bodytag($title,
4744: $args->{'function'}, $args->{'add_entries'},
4745: $args->{'only_body'}, $args->{'domain'},
4746: $args->{'force_register'}, $args->{'body_title'},
4747: $args->{'no_nav_bar'}, $args->{'bgcolor'},
1.460 albertel 4748: $args->{'no_title'}, $args->{'no_inline_link'},
4749: $args);
1.338 albertel 4750: }
1.330 albertel 4751: }
1.338 albertel 4752:
1.315 albertel 4753: if ($args->{'js_ready'}) {
1.317 albertel 4754: $result = &js_ready($result);
1.315 albertel 4755: }
1.320 albertel 4756: if ($args->{'html_encode'}) {
4757: $result = &html_encode($result);
4758: }
1.315 albertel 4759: return $result;
1.306 albertel 4760: }
4761:
1.330 albertel 4762:
1.306 albertel 4763: =pod
4764:
4765: =item * &head()
4766:
4767: Returns a complete </body></html> section for LON-CAPA web pages.
4768:
1.315 albertel 4769: Inputs: $args - additional optional args supported are:
4770: js_ready -> return a string ready for being used in
4771: a javascript writeln
1.320 albertel 4772: html_encode -> return a string ready for being used in
4773: a html attribute
1.330 albertel 4774: frameset -> if true will start with a <frameset>
4775: rather than <body>
1.493 albertel 4776: dicsussion -> if true will get discussion from
4777: lonxml::xmlend
4778: (you can pass the target and parser arguments
4779: through optional 'target' and 'parser' args
4780: to this routine)
1.306 albertel 4781:
4782: =cut
4783:
4784: sub end_page {
1.315 albertel 4785: my ($args) = @_;
4786: $env{'internal.end_page'}++;
1.330 albertel 4787: my $result;
1.335 albertel 4788: if ($args->{'discussion'}) {
4789: my ($target,$parser);
4790: if (ref($args->{'discussion'})) {
4791: ($target,$parser) =($args->{'discussion'}{'target'},
4792: $args->{'discussion'}{'parser'});
4793: }
4794: $result .= &Apache::lonxml::xmlend($target,$parser);
4795: }
4796:
1.330 albertel 4797: if ($args->{'frameset'}) {
4798: $result .= '</frameset>';
4799: } else {
4800: $result .= &endbodytag();
4801: }
4802: $result .= "\n</html>";
4803:
1.315 albertel 4804: if ($args->{'js_ready'}) {
1.317 albertel 4805: $result = &js_ready($result);
1.315 albertel 4806: }
1.335 albertel 4807:
1.320 albertel 4808: if ($args->{'html_encode'}) {
4809: $result = &html_encode($result);
4810: }
1.335 albertel 4811:
1.315 albertel 4812: return $result;
4813: }
4814:
1.320 albertel 4815: sub html_encode {
4816: my ($result) = @_;
4817:
1.322 albertel 4818: $result = &HTML::Entities::encode($result,'<>&"');
1.320 albertel 4819:
4820: return $result;
4821: }
1.317 albertel 4822: sub js_ready {
4823: my ($result) = @_;
4824:
1.323 albertel 4825: $result =~ s/[\n\r]/ /xmsg;
4826: $result =~ s/\\/\\\\/xmsg;
4827: $result =~ s/'/\\'/xmsg;
1.372 albertel 4828: $result =~ s{</}{<\\/}xmsg;
1.317 albertel 4829:
4830: return $result;
4831: }
4832:
1.315 albertel 4833: sub validate_page {
4834: if ( exists($env{'internal.start_page'})
1.316 albertel 4835: && $env{'internal.start_page'} > 1) {
4836: &Apache::lonnet::logthis('start_page called multiple times '.
1.318 albertel 4837: $env{'internal.start_page'}.' '.
1.316 albertel 4838: $ENV{'request.filename'});
1.315 albertel 4839: }
4840: if ( exists($env{'internal.end_page'})
1.316 albertel 4841: && $env{'internal.end_page'} > 1) {
4842: &Apache::lonnet::logthis('end_page called multiple times '.
1.318 albertel 4843: $env{'internal.end_page'}.' '.
1.316 albertel 4844: $env{'request.filename'});
1.315 albertel 4845: }
4846: if ( exists($env{'internal.start_page'})
4847: && ! exists($env{'internal.end_page'})) {
1.316 albertel 4848: &Apache::lonnet::logthis('start_page called without end_page '.
4849: $env{'request.filename'});
1.315 albertel 4850: }
4851: if ( ! exists($env{'internal.start_page'})
4852: && exists($env{'internal.end_page'})) {
1.316 albertel 4853: &Apache::lonnet::logthis('end_page called without start_page'.
4854: $env{'request.filename'});
1.315 albertel 4855: }
1.306 albertel 4856: }
1.315 albertel 4857:
1.318 albertel 4858: sub simple_error_page {
4859: my ($r,$title,$msg) = @_;
4860: my $page =
4861: &Apache::loncommon::start_page($title).
4862: &mt($msg).
4863: &Apache::loncommon::end_page();
4864: if (ref($r)) {
4865: $r->print($page);
1.327 albertel 4866: return;
1.318 albertel 4867: }
4868: return $page;
4869: }
1.347 albertel 4870:
4871: {
4872: my $row_count;
4873: sub start_data_table {
1.422 albertel 4874: my ($add_class) = @_;
4875: my $css_class = (join(' ','LC_data_table',$add_class));
1.347 albertel 4876: undef($row_count);
1.422 albertel 4877: return '<table class="'.$css_class.'">'."\n";
1.347 albertel 4878: }
4879:
4880: sub end_data_table {
4881: undef($row_count);
1.389 albertel 4882: return '</table>'."\n";;
1.347 albertel 4883: }
4884:
4885: sub start_data_table_row {
1.422 albertel 4886: my ($add_class) = @_;
1.347 albertel 4887: $row_count++;
1.422 albertel 4888: my $css_class = ($row_count % 2)?'':'LC_even_row';
1.428 albertel 4889: $css_class = (join(' ',$css_class,$add_class));
1.422 albertel 4890: return '<tr class="'.$css_class.'">'."\n";;
1.347 albertel 4891: }
1.471 banghart 4892:
4893: sub continue_data_table_row {
4894: my ($add_class) = @_;
4895: my $css_class = ($row_count % 2)?'':'LC_even_row';
4896: $css_class = (join(' ',$css_class,$add_class));
4897: return '<tr class="'.$css_class.'">'."\n";;
4898: }
1.347 albertel 4899:
4900: sub end_data_table_row {
1.389 albertel 4901: return '</tr>'."\n";;
1.347 albertel 4902: }
1.367 www 4903:
1.421 albertel 4904: sub start_data_table_empty_row {
4905: $row_count++;
4906: return '<tr class="LC_empty_row" >'."\n";;
4907: }
4908:
4909: sub end_data_table_empty_row {
4910: return '</tr>'."\n";;
4911: }
4912:
1.367 www 4913: sub start_data_table_header_row {
1.389 albertel 4914: return '<tr class="LC_header_row">'."\n";;
1.367 www 4915: }
4916:
4917: sub end_data_table_header_row {
1.389 albertel 4918: return '</tr>'."\n";;
1.367 www 4919: }
1.347 albertel 4920: }
4921:
1.548 albertel 4922: =pod
4923:
4924: =item * &inhibit_menu_check($arg)
4925:
4926: Checks for a inhibitmenu state and generates output to preserve it
4927:
4928: Inputs: $arg - can be any of
4929: - undef - in which case the return value is a string
4930: to add into arguments list of a uri
4931: - 'input' - in which case the return value is a HTML
4932: <form> <input> field of type hidden to
4933: preserve the value
4934: - a url - in which case the return value is the url with
4935: the neccesary cgi args added to preserve the
4936: inhibitmenu state
4937: - a ref to a url - no return value, but the string is
4938: updated to include the neccessary cgi
4939: args to preserve the inhibitmenu state
4940:
4941: =cut
4942:
4943: sub inhibit_menu_check {
4944: my ($arg) = @_;
4945: &get_unprocessed_cgi($ENV{'QUERY_STRING'}, ['inhibitmenu']);
4946: if ($arg eq 'input') {
4947: if ($env{'form.inhibitmenu'}) {
4948: return '<input type="hidden" name="inhibitmenu" value="'.$env{'form.inhibitmenu'}.'" />';
4949: } else {
4950: return
4951: }
4952: }
4953: if ($env{'form.inhibitmenu'}) {
4954: if (ref($arg)) {
4955: $$arg .= '?inhibitmenu='.$env{'form.inhibitmenu'};
4956: } elsif ($arg eq '') {
4957: $arg .= 'inhibitmenu='.$env{'form.inhibitmenu'};
4958: } else {
4959: $arg .= '?inhibitmenu='.$env{'form.inhibitmenu'};
4960: }
4961: }
4962: if (!ref($arg)) {
4963: return $arg;
4964: }
4965: }
4966:
1.251 albertel 4967: ###############################################
1.182 matthew 4968:
4969: =pod
4970:
1.549 albertel 4971: =back
4972:
4973: =head1 User Information Routines
4974:
4975: =over 4
4976:
1.405 albertel 4977: =item * &get_users_function()
1.182 matthew 4978:
4979: Used by &bodytag to determine the current users primary role.
4980: Returns either 'student','coordinator','admin', or 'author'.
4981:
4982: =cut
4983:
4984: ###############################################
4985: sub get_users_function {
4986: my $function = 'student';
1.258 albertel 4987: if ($env{'request.role'}=~/^(cc|in|ta|ep)/) {
1.182 matthew 4988: $function='coordinator';
4989: }
1.258 albertel 4990: if ($env{'request.role'}=~/^(su|dc|ad|li)/) {
1.182 matthew 4991: $function='admin';
4992: }
1.258 albertel 4993: if (($env{'request.role'}=~/^(au|ca)/) ||
1.182 matthew 4994: ($ENV{'REQUEST_URI'}=~/^(\/priv|\~)/)) {
4995: $function='author';
4996: }
4997: return $function;
1.54 www 4998: }
1.99 www 4999:
5000: ###############################################
5001:
1.233 raeburn 5002: =pod
5003:
1.542 raeburn 5004: =item * &check_user_status()
1.274 raeburn 5005:
5006: Determines current status of supplied role for a
5007: specific user. Roles can be active, previous or future.
5008:
5009: Inputs:
5010: user's domain, user's username, course's domain,
1.375 raeburn 5011: course's number, optional section ID.
1.274 raeburn 5012:
5013: Outputs:
5014: role status: active, previous or future.
5015:
5016: =cut
5017:
5018: sub check_user_status {
1.412 raeburn 5019: my ($udom,$uname,$cdom,$crs,$role,$sec) = @_;
1.274 raeburn 5020: my %userinfo = &Apache::lonnet::dump('roles',$udom,$uname);
5021: my @uroles = keys %userinfo;
5022: my $srchstr;
5023: my $active_chk = 'none';
1.412 raeburn 5024: my $now = time;
1.274 raeburn 5025: if (@uroles > 0) {
1.412 raeburn 5026: if (($role eq 'cc') || ($sec eq '') || (!defined($sec))) {
1.274 raeburn 5027: $srchstr = '/'.$cdom.'/'.$crs.'_'.$role;
5028: } else {
1.412 raeburn 5029: $srchstr = '/'.$cdom.'/'.$crs.'/'.$sec.'_'.$role;
5030: }
5031: if (grep/^\Q$srchstr\E$/,@uroles) {
1.274 raeburn 5032: my $role_end = 0;
5033: my $role_start = 0;
5034: $active_chk = 'active';
1.412 raeburn 5035: if ($userinfo{$srchstr} =~ m/^\Q$role\E_(\d+)/) {
5036: $role_end = $1;
5037: if ($userinfo{$srchstr} =~ m/^\Q$role\E_\Q$role_end\E_(\d+)$/) {
5038: $role_start = $1;
1.274 raeburn 5039: }
5040: }
5041: if ($role_start > 0) {
1.412 raeburn 5042: if ($now < $role_start) {
1.274 raeburn 5043: $active_chk = 'future';
5044: }
5045: }
5046: if ($role_end > 0) {
1.412 raeburn 5047: if ($now > $role_end) {
1.274 raeburn 5048: $active_chk = 'previous';
5049: }
5050: }
5051: }
5052: }
5053: return $active_chk;
5054: }
5055:
5056: ###############################################
5057:
5058: =pod
5059:
1.405 albertel 5060: =item * &get_sections()
1.233 raeburn 5061:
5062: Determines all the sections for a course including
5063: sections with students and sections containing other roles.
1.419 raeburn 5064: Incoming parameters:
5065:
5066: 1. domain
5067: 2. course number
5068: 3. reference to array containing roles for which sections should
5069: be gathered (optional).
5070: 4. reference to array containing status types for which sections
5071: should be gathered (optional).
5072:
5073: If the third argument is undefined, sections are gathered for any role.
5074: If the fourth argument is undefined, sections are gathered for any status.
5075: Permissible values are 'active' or 'future' or 'previous'.
1.233 raeburn 5076:
1.374 raeburn 5077: Returns section hash (keys are section IDs, values are
5078: number of users in each section), subject to the
1.419 raeburn 5079: optional roles filter, optional status filter
1.233 raeburn 5080:
5081: =cut
5082:
5083: ###############################################
5084: sub get_sections {
1.419 raeburn 5085: my ($cdom,$cnum,$possible_roles,$possible_status) = @_;
1.366 albertel 5086: if (!defined($cdom) || !defined($cnum)) {
5087: my $cid = $env{'request.course.id'};
5088:
5089: return if (!defined($cid));
5090:
5091: $cdom = $env{'course.'.$cid.'.domain'};
5092: $cnum = $env{'course.'.$cid.'.num'};
5093: }
5094:
5095: my %sectioncount;
1.419 raeburn 5096: my $now = time;
1.240 albertel 5097:
1.366 albertel 5098: if (!defined($possible_roles) || (grep(/^st$/,@$possible_roles))) {
1.276 albertel 5099: my ($classlist) = &Apache::loncoursedata::get_classlist($cdom,$cnum);
1.240 albertel 5100: my $sec_index = &Apache::loncoursedata::CL_SECTION();
5101: my $status_index = &Apache::loncoursedata::CL_STATUS();
1.419 raeburn 5102: my $start_index = &Apache::loncoursedata::CL_START();
5103: my $end_index = &Apache::loncoursedata::CL_END();
5104: my $status;
1.366 albertel 5105: while (my ($student,$data) = each(%$classlist)) {
1.419 raeburn 5106: my ($section,$stu_status,$start,$end) = ($data->[$sec_index],
5107: $data->[$status_index],
5108: $data->[$start_index],
5109: $data->[$end_index]);
5110: if ($stu_status eq 'Active') {
5111: $status = 'active';
5112: } elsif ($end < $now) {
5113: $status = 'previous';
5114: } elsif ($start > $now) {
5115: $status = 'future';
5116: }
5117: if ($section ne '-1' && $section !~ /^\s*$/) {
5118: if ((!defined($possible_status)) || (($status ne '') &&
5119: (grep/^\Q$status\E$/,@{$possible_status}))) {
5120: $sectioncount{$section}++;
5121: }
1.240 albertel 5122: }
5123: }
5124: }
5125: my %courseroles = &Apache::lonnet::dump('nohist_userroles',$cdom,$cnum);
5126: foreach my $user (sort(keys(%courseroles))) {
5127: if ($user !~ /^(\w{2})/) { next; }
5128: my ($role) = ($user =~ /^(\w{2})/);
5129: if ($possible_roles && !(grep(/^$role$/,@$possible_roles))) { next; }
1.419 raeburn 5130: my ($section,$status);
1.240 albertel 5131: if ($role eq 'cr' &&
5132: $user =~ m-^$role/[^/]*/[^/]*/[^/]*:[^:]*:[^:]*:(\w+)-) {
5133: $section=$1;
5134: }
5135: if ($user =~ /^$role:[^:]*:[^:]*:(\w+)/) { $section=$1; }
5136: if (!defined($section) || $section eq '-1') { next; }
1.419 raeburn 5137: my ($end,$start) = ($courseroles{$user} =~ /^([^:]*):([^:]*)$/);
5138: if ($end == -1 && $start == -1) {
5139: next; #deleted role
5140: }
5141: if (!defined($possible_status)) {
5142: $sectioncount{$section}++;
5143: } else {
5144: if ((!$end || $end >= $now) && (!$start || $start <= $now)) {
5145: $status = 'active';
5146: } elsif ($end < $now) {
5147: $status = 'future';
5148: } elsif ($start > $now) {
5149: $status = 'previous';
5150: }
5151: if (($status ne '') && (grep/^\Q$status\E$/,@{$possible_status})) {
5152: $sectioncount{$section}++;
5153: }
5154: }
1.233 raeburn 5155: }
1.366 albertel 5156: return %sectioncount;
1.233 raeburn 5157: }
5158:
1.274 raeburn 5159: ###############################################
1.294 raeburn 5160:
5161: =pod
1.405 albertel 5162:
5163: =item * &get_course_users()
5164:
1.275 raeburn 5165: Retrieves usernames:domains for users in the specified course
5166: with specific role(s), and access status.
5167:
5168: Incoming parameters:
1.277 albertel 5169: 1. course domain
5170: 2. course number
5171: 3. access status: users must have - either active,
1.275 raeburn 5172: previous, future, or all.
1.277 albertel 5173: 4. reference to array of permissible roles
1.288 raeburn 5174: 5. reference to array of section restrictions (optional)
5175: 6. reference to results object (hash of hashes).
5176: 7. reference to optional userdata hash
1.275 raeburn 5177: Keys of top level hash are roles.
5178: Keys of inner hashes are username:domain, with
5179: values set to access type.
1.288 raeburn 5180: Optional userdata hash returns an array with arguments in the
5181: same order as loncoursedata::get_classlist() for student data.
5182:
5183: Entries for end, start, section and status are blank because
5184: of the possibility of multiple values for non-student roles.
5185:
1.275 raeburn 5186: =cut
1.405 albertel 5187:
1.275 raeburn 5188: ###############################################
1.405 albertel 5189:
1.275 raeburn 5190: sub get_course_users {
1.288 raeburn 5191: my ($cdom,$cnum,$types,$roles,$sections,$users,$userdata) = @_;
5192: my %idx = ();
1.419 raeburn 5193: my %seclists;
1.288 raeburn 5194:
5195: $idx{udom} = &Apache::loncoursedata::CL_SDOM();
5196: $idx{uname} = &Apache::loncoursedata::CL_SNAME();
5197: $idx{end} = &Apache::loncoursedata::CL_END();
5198: $idx{start} = &Apache::loncoursedata::CL_START();
5199: $idx{id} = &Apache::loncoursedata::CL_ID();
5200: $idx{section} = &Apache::loncoursedata::CL_SECTION();
5201: $idx{fullname} = &Apache::loncoursedata::CL_FULLNAME();
5202: $idx{status} = &Apache::loncoursedata::CL_STATUS();
5203:
1.290 albertel 5204: if (grep(/^st$/,@{$roles})) {
1.276 albertel 5205: my ($classlist,$keylist)=&Apache::loncoursedata::get_classlist($cdom,$cnum);
1.278 raeburn 5206: my $now = time;
1.277 albertel 5207: foreach my $student (keys(%{$classlist})) {
1.288 raeburn 5208: my $match = 0;
1.412 raeburn 5209: my $secmatch = 0;
1.419 raeburn 5210: my $section = $$classlist{$student}[$idx{section}];
5211: if ($section eq '') {
5212: $section = 'none';
5213: }
1.291 albertel 5214: if ((ref($sections) eq 'ARRAY') && (@{$sections} > 0)) {
1.420 albertel 5215: if (grep(/^all$/,@{$sections})) {
1.412 raeburn 5216: $secmatch = 1;
5217: } elsif ($$classlist{$student}[$idx{section}] eq '') {
1.420 albertel 5218: if (grep(/^none$/,@{$sections})) {
1.412 raeburn 5219: $secmatch = 1;
5220: }
5221: } else {
1.419 raeburn 5222: if (grep(/^\Q$section\E$/,@{$sections})) {
1.412 raeburn 5223: $secmatch = 1;
5224: }
1.290 albertel 5225: }
1.412 raeburn 5226: if (!$secmatch) {
5227: next;
5228: }
1.419 raeburn 5229: }
1.420 albertel 5230: push(@{$seclists{$student}},$section);
1.275 raeburn 5231: if (defined($$types{'active'})) {
1.288 raeburn 5232: if ($$classlist{$student}[$idx{status}] eq 'Active') {
1.275 raeburn 5233: push(@{$$users{st}{$student}},'active');
1.288 raeburn 5234: $match = 1;
1.275 raeburn 5235: }
5236: }
5237: if (defined($$types{'previous'})) {
1.288 raeburn 5238: if ($$classlist{$student}[$idx{end}] <= $now) {
1.275 raeburn 5239: push(@{$$users{st}{$student}},'previous');
1.288 raeburn 5240: $match = 1;
1.275 raeburn 5241: }
5242: }
5243: if (defined($$types{'future'})) {
1.288 raeburn 5244: if (($$classlist{$student}[$idx{start}] > $now) && ($$classlist{$student}[$idx{end}] > $now) || ($$classlist{$student}[$idx{end}] == 0) || ($$classlist{$student}[$idx{end}] eq '')) {
1.275 raeburn 5245: push(@{$$users{st}{$student}},'future');
1.288 raeburn 5246: $match = 1;
1.275 raeburn 5247: }
5248: }
1.412 raeburn 5249: if ($match && ref($userdata) eq 'HASH') {
1.288 raeburn 5250: $$userdata{$student} = $$classlist{$student};
5251: }
1.275 raeburn 5252: }
5253: }
1.412 raeburn 5254: if ((@{$roles} > 1) || ((@{$roles} == 1) && ($$roles[0] ne "st"))) {
1.439 raeburn 5255: my %coursepersonnel = &Apache::lonnet::dump('nohist_userroles',$cdom,$cnum);
5256: my $now = time;
5257: foreach my $person (sort(keys(%coursepersonnel))) {
1.288 raeburn 5258: my $match = 0;
1.412 raeburn 5259: my $secmatch = 0;
1.439 raeburn 5260: my $status;
1.412 raeburn 5261: my ($role,$user,$usec) = ($person =~ /^([^:]*):([^:]+:[^:]+):([^:]*)/);
1.275 raeburn 5262: $user =~ s/:$//;
1.439 raeburn 5263: my ($end,$start) = split(/:/,$coursepersonnel{$person});
5264: if ($end == -1 || $start == -1) {
5265: next;
5266: }
5267: if (($role) && ((grep(/^\Q$role\E$/,@{$roles})) ||
5268: (grep(/^cr$/,@{$roles}) && $role =~ /^cr\//))) {
1.412 raeburn 5269: my ($uname,$udom) = split(/:/,$user);
5270: if ((ref($sections) eq 'ARRAY') && (@{$sections} > 0)) {
1.420 albertel 5271: if (grep(/^all$/,@{$sections})) {
1.412 raeburn 5272: $secmatch = 1;
5273: } elsif ($usec eq '') {
1.420 albertel 5274: if (grep(/^none$/,@{$sections})) {
1.412 raeburn 5275: $secmatch = 1;
5276: }
5277: } else {
5278: if (grep(/^\Q$usec\E$/,@{$sections})) {
5279: $secmatch = 1;
5280: }
5281: }
5282: if (!$secmatch) {
5283: next;
5284: }
1.288 raeburn 5285: }
1.419 raeburn 5286: if ($usec eq '') {
5287: $usec = 'none';
5288: }
1.275 raeburn 5289: if ($uname ne '' && $udom ne '') {
1.503 raeburn 5290: if ($end > 0 && $end < $now) {
1.439 raeburn 5291: $status = 'previous';
5292: } elsif ($start > $now) {
5293: $status = 'future';
5294: } else {
5295: $status = 'active';
5296: }
1.277 albertel 5297: foreach my $type (keys(%{$types})) {
1.275 raeburn 5298: if ($status eq $type) {
1.420 albertel 5299: if (!grep(/^\Q$type\E$/,@{$$users{$role}{$user}})) {
1.419 raeburn 5300: push(@{$$users{$role}{$user}},$type);
5301: }
1.288 raeburn 5302: $match = 1;
5303: }
5304: }
1.419 raeburn 5305: if (($match) && (ref($userdata) eq 'HASH')) {
5306: if (!exists($$userdata{$uname.':'.$udom})) {
5307: &get_user_info($udom,$uname,\%idx,$userdata);
5308: }
1.420 albertel 5309: if (!grep(/^\Q$usec\E$/,@{$seclists{$uname.':'.$udom}})) {
1.419 raeburn 5310: push(@{$seclists{$uname.':'.$udom}},$usec);
5311: }
1.275 raeburn 5312: }
5313: }
5314: }
5315: }
1.290 albertel 5316: if (grep(/^ow$/,@{$roles})) {
1.279 raeburn 5317: if ((defined($cdom)) && (defined($cnum))) {
5318: my %csettings = &Apache::lonnet::get('environment',['internal.courseowner'],$cdom,$cnum);
5319: if ( defined($csettings{'internal.courseowner'}) ) {
5320: my $owner = $csettings{'internal.courseowner'};
1.439 raeburn 5321: if ($owner !~ /^[^:]+:[^:]+$/) {
5322: $owner = $owner.':'.$cdom;
5323: }
5324: @{$$users{'ow'}{$owner}} = 'any';
1.290 albertel 5325: if (defined($userdata) &&
5326: !exists($$userdata{$owner.':'.$cdom})) {
5327: &get_user_info($cdom,$owner,\%idx,$userdata);
1.420 albertel 5328: if (!grep(/^none$/,@{$seclists{$owner.':'.$cdom}})) {
1.419 raeburn 5329: push(@{$seclists{$owner.':'.$cdom}},'none');
5330: }
1.290 albertel 5331: }
1.279 raeburn 5332: }
5333: }
5334: }
1.419 raeburn 5335: foreach my $user (keys(%seclists)) {
5336: @{$seclists{$user}} = (sort {$a <=> $b} @{$seclists{$user}});
5337: $$userdata{$user}[$idx{section}] = join(',',@{$seclists{$user}});
5338: }
1.275 raeburn 5339: }
5340: return;
5341: }
5342:
1.288 raeburn 5343: sub get_user_info {
5344: my ($udom,$uname,$idx,$userdata) = @_;
1.289 albertel 5345: $$userdata{$uname.':'.$udom}[$$idx{fullname}] =
5346: &plainname($uname,$udom,'lastname');
1.291 albertel 5347: $$userdata{$uname.':'.$udom}[$$idx{uname}] = $uname;
1.297 raeburn 5348: $$userdata{$uname.':'.$udom}[$$idx{udom}] = $udom;
1.288 raeburn 5349: return;
5350: }
1.275 raeburn 5351:
1.472 raeburn 5352: ###############################################
5353:
5354: =pod
5355:
5356: =item * &get_user_quota()
5357:
5358: Retrieves quota assigned for storage of portfolio files for a user
5359:
5360: Incoming parameters:
5361: 1. user's username
5362: 2. user's domain
5363:
5364: Returns:
1.536 raeburn 5365: 1. Disk quota (in Mb) assigned to student.
5366: 2. (Optional) Type of setting: custom or default
5367: (individually assigned or default for user's
5368: institutional status).
5369: 3. (Optional) - User's institutional status (e.g., faculty, staff
5370: or student - types as defined in localenroll::inst_usertypes
5371: for user's domain, which determines default quota for user.
5372: 4. (Optional) - Default quota which would apply to the user.
1.472 raeburn 5373:
5374: If a value has been stored in the user's environment,
1.536 raeburn 5375: it will return that, otherwise it returns the maximal default
5376: defined for the user's instituional status(es) in the domain.
1.472 raeburn 5377:
5378: =cut
5379:
5380: ###############################################
5381:
5382:
5383: sub get_user_quota {
5384: my ($uname,$udom) = @_;
1.536 raeburn 5385: my ($quota,$quotatype,$settingstatus,$defquota);
1.472 raeburn 5386: if (!defined($udom)) {
5387: $udom = $env{'user.domain'};
5388: }
5389: if (!defined($uname)) {
5390: $uname = $env{'user.name'};
5391: }
5392: if (($udom eq '' || $uname eq '') ||
5393: ($udom eq 'public') && ($uname eq 'public')) {
5394: $quota = 0;
1.536 raeburn 5395: $quotatype = 'default';
5396: $defquota = 0;
1.472 raeburn 5397: } else {
1.536 raeburn 5398: my $inststatus;
1.472 raeburn 5399: if ($udom eq $env{'user.domain'} && $uname eq $env{'user.name'}) {
5400: $quota = $env{'environment.portfolioquota'};
1.536 raeburn 5401: $inststatus = $env{'environment.inststatus'};
1.472 raeburn 5402: } else {
1.536 raeburn 5403: my %userenv =
5404: &Apache::lonnet::get('environment',['portfolioquota',
5405: 'inststatus'],$udom,$uname);
1.472 raeburn 5406: my ($tmp) = keys(%userenv);
5407: if ($tmp !~ /^(con_lost|error|no_such_host)/i) {
5408: $quota = $userenv{'portfolioquota'};
1.536 raeburn 5409: $inststatus = $userenv{'inststatus'};
1.472 raeburn 5410: } else {
5411: undef(%userenv);
5412: }
5413: }
1.536 raeburn 5414: ($defquota,$settingstatus) = &default_quota($udom,$inststatus);
1.472 raeburn 5415: if ($quota eq '') {
1.536 raeburn 5416: $quota = $defquota;
5417: $quotatype = 'default';
5418: } else {
5419: $quotatype = 'custom';
1.472 raeburn 5420: }
5421: }
1.536 raeburn 5422: if (wantarray) {
5423: return ($quota,$quotatype,$settingstatus,$defquota);
5424: } else {
5425: return $quota;
5426: }
1.472 raeburn 5427: }
5428:
5429: ###############################################
5430:
5431: =pod
5432:
5433: =item * &default_quota()
5434:
1.536 raeburn 5435: Retrieves default quota assigned for storage of user portfolio files,
5436: given an (optional) user's institutional status.
1.472 raeburn 5437:
5438: Incoming parameters:
5439: 1. domain
1.536 raeburn 5440: 2. (Optional) institutional status(es). This is a : separated list of
5441: status types (e.g., faculty, staff, student etc.)
5442: which apply to the user for whom the default is being retrieved.
5443: If the institutional status string in undefined, the domain
5444: default quota will be returned.
1.472 raeburn 5445:
5446: Returns:
5447: 1. Default disk quota (in Mb) for user portfolios in the domain.
1.536 raeburn 5448: 2. (Optional) institutional type which determined the value of the
5449: default quota.
1.472 raeburn 5450:
5451: If a value has been stored in the domain's configuration db,
5452: it will return that, otherwise it returns 20 (for backwards
5453: compatibility with domains which have not set up a configuration
5454: db file; the original statically defined portfolio quota was 20 Mb).
5455:
1.536 raeburn 5456: If the user's status includes multiple types (e.g., staff and student),
5457: the largest default quota which applies to the user determines the
5458: default quota returned.
5459:
1.472 raeburn 5460: =cut
5461:
5462: ###############################################
5463:
5464:
5465: sub default_quota {
1.536 raeburn 5466: my ($udom,$inststatus) = @_;
5467: my ($defquota,$settingstatus);
5468: my %quotahash = &Apache::lonnet::get_dom('configuration',
5469: ['quota'],$udom);
5470: if (ref($quotahash{'quota'}) eq 'HASH') {
5471: if ($inststatus ne '') {
5472: my @statuses = split(/:/,$inststatus);
5473: foreach my $item (@statuses) {
5474: if ($quotahash{'quota'}{$item} ne '') {
5475: if ($defquota eq '') {
5476: $defquota = $quotahash{'quota'}{$item};
5477: $settingstatus = $item;
5478: } elsif ($quotahash{'quota'}{$item} > $defquota) {
5479: $defquota = $quotahash{'quota'}{$item};
5480: $settingstatus = $item;
5481: }
5482: }
5483: }
5484: }
5485: if ($defquota eq '') {
5486: $defquota = $quotahash{'quota'}{'default'};
5487: $settingstatus = 'default';
5488: }
5489: } else {
5490: $settingstatus = 'default';
5491: $defquota = 20;
5492: }
5493: if (wantarray) {
5494: return ($defquota,$settingstatus);
1.472 raeburn 5495: } else {
1.536 raeburn 5496: return $defquota;
1.472 raeburn 5497: }
5498: }
5499:
1.384 raeburn 5500: sub get_secgrprole_info {
5501: my ($cdom,$cnum,$needroles,$type) = @_;
5502: my %sections_count = &get_sections($cdom,$cnum);
5503: my @sections = (sort {$a <=> $b} keys(%sections_count));
5504: my %curr_groups = &Apache::longroup::coursegroups($cdom,$cnum);
5505: my @groups = sort(keys(%curr_groups));
5506: my $allroles = [];
5507: my $rolehash;
5508: my $accesshash = {
5509: active => 'Currently has access',
5510: future => 'Will have future access',
5511: previous => 'Previously had access',
5512: };
5513: if ($needroles) {
5514: $rolehash = {'all' => 'all'};
1.385 albertel 5515: my %user_roles = &Apache::lonnet::dump('nohist_userroles',$cdom,$cnum);
5516: if (&Apache::lonnet::error(%user_roles)) {
5517: undef(%user_roles);
5518: }
5519: foreach my $item (keys(%user_roles)) {
1.384 raeburn 5520: my ($role)=split(/\:/,$item,2);
5521: if ($role eq 'cr') { next; }
5522: if ($role =~ /^cr/) {
5523: $$rolehash{$role} = (split('/',$role))[3];
5524: } else {
5525: $$rolehash{$role} = &Apache::lonnet::plaintext($role,$type);
5526: }
5527: }
5528: foreach my $key (sort(keys(%{$rolehash}))) {
5529: push(@{$allroles},$key);
5530: }
5531: push (@{$allroles},'st');
5532: $$rolehash{'st'} = &Apache::lonnet::plaintext('st',$type);
5533: }
5534: return (\@sections,\@groups,$allroles,$rolehash,$accesshash);
5535: }
5536:
1.555 raeburn 5537: sub user_picker {
5538: my ($dom,$srch,$forcenewuser) = @_;
5539: my $currdom = $dom;
5540: my %curr_selected = (
5541: srchin => 'dom',
5542: srchby => 'uname',
5543: );
5544: my $srchterm;
5545: if (ref($srch) eq 'HASH') {
5546: if ($srch->{'srchby'} ne '') {
5547: $curr_selected{'srchby'} = $srch->{'srchby'};
5548: }
5549: if ($srch->{'srchin'} ne '') {
5550: $curr_selected{'srchin'} = $srch->{'srchin'};
5551: }
5552: if ($srch->{'srchtype'} ne '') {
5553: $curr_selected{'srchtype'} = $srch->{'srchtype'};
5554: }
5555: if ($srch->{'srchdomain'} ne '') {
5556: $currdom = $srch->{'srchdomain'};
5557: }
5558: $srchterm = $srch->{'srchterm'};
5559: }
1.558 ! albertel 5560: use Data::Dumper;
! 5561: &Apache::lonnet::logthis(&Dumper($srch));
1.555 raeburn 5562: my %lt=&Apache::lonlocal::texthash(
1.558 ! albertel 5563: 'usr' => 'Search for',
! 5564: 'or' => 'or',
! 5565: 'doma' => 'domain',
! 5566: 'uname' => 'username',
! 5567: 'lastname' => 'last name',
1.555 raeburn 5568: 'lastfirst' => 'last name, first name',
1.558 ! albertel 5569: 'crs' => 'in this course',
! 5570: 'dom' => 'in this domain',
! 5571: 'alc' => 'all LON-CAPA',
! 5572: 'instd' => 'in institutional directory',
! 5573: 'exact' => 'is',
! 5574: 'contains' => 'contains',
1.555 raeburn 5575: );
5576: my $domform = &select_dom_form($currdom,'srchdomain',1);
5577:
1.558 ! albertel 5578: my $srchin;
1.555 raeburn 5579:
5580: my @srchins = ('crs','dom','alc','instd');
5581:
5582: foreach my $option (@srchins) {
5583: # FIXME 'alc' option unavailable until
5584: # loncreateuser::print_user_query_page()
5585: # has been completed.
5586: next if ($option eq 'alc');
5587: next if ($option eq 'crs' && !$env{'request.course.id'});
1.558 ! albertel 5588: my $checked =($curr_selected{'srchin'} eq $option) ?'checked="checked"'
! 5589: :'';
! 5590: my $extra = ($option eq 'dom') ? $domform
! 5591: : '';
! 5592: $srchin.=<<ROW
! 5593: <tr>
! 5594: <td>
! 5595: <label><input type="radio" name="srchin" value="$option" $checked /> $lt{$option}</label> $extra
! 5596: </td>
! 5597: </tr>
! 5598: ROW
1.555 raeburn 5599: }
5600:
5601: my $srchbysel = ' <select name="srchby">';
5602: foreach my $option ('uname','lastname','lastfirst') {
5603: if ($curr_selected{'srchby'} eq $option) {
5604: $srchbysel .= '
5605: <option value="'.$option.'" selected="selected">'.$lt{$option}.'</option>';
5606: } else {
5607: $srchbysel .= '
5608: <option value="'.$option.'">'.$lt{$option}.'</option>';
5609: }
5610: }
5611: $srchbysel .= "\n </select>\n";
5612:
5613: my $srchtypesel = ' <select name="srchtype">';
5614: foreach my $option ('exact','contains') {
5615: if ($curr_selected{'srchtype'} eq $option) {
5616: $srchtypesel .= '
5617: <option value="'.$option.'" selected="selected">'.$lt{$option}.'</option>';
5618: } else {
5619: $srchtypesel .= '
5620: <option value="'.$option.'">'.$lt{$option}.'</option>';
5621: }
5622: }
5623: $srchtypesel .= "\n </select>\n";
5624:
1.558 ! albertel 5625: my ($newuserscript,$new_user_create);
1.556 raeburn 5626:
5627: if ($forcenewuser) {
1.558 ! albertel 5628: $new_user_create = '<p> <input type="submit" name="forcenew" value="'.&HTML::Entities::encode(&mt('Make new user "[_1]"',$srchterm),'<>&"').'" onclick="javascript:setSearch(\'1\');" /> </p>';
1.556 raeburn 5629: $newuserscript = <<"ENDSCRIPT";
5630:
1.558 ! albertel 5631: function setSearch(createnew) {
1.556 raeburn 5632: if (createnew == 1) {
5633: for (var i=0; i<document.crtuser.srchby.length; i++) {
5634: if (document.crtuser.srchby.options[i].value == 'uname') {
5635: document.crtuser.srchby.selectedIndex = i;
5636: }
5637: }
5638: for (var i=0; i<document.crtuser.srchin.length; i++) {
1.558 ! albertel 5639: if ( document.crtuser.srchin[i].value == 'dom') {
! 5640: document.crtuser.srchin[i].checked = 1;
1.556 raeburn 5641: }
5642: }
5643: for (var i=0; i<document.crtuser.srchtype.length; i++) {
5644: if (document.crtuser.srchtype.options[i].value == 'exact') {
5645: document.crtuser.srchtype.selectedIndex = i;
5646: }
5647: }
5648: for (var i=0; i<document.crtuser.srchdomain.length; i++) {
5649: if (document.crtuser.srchdomain.options[i].value == '$env{'request.role.domain'}') {
5650: document.crtuser.srchdomain.selectedIndex = i;
5651: }
5652: }
5653: }
5654: }
5655: ENDSCRIPT
1.558 ! albertel 5656:
1.556 raeburn 5657: }
5658:
1.555 raeburn 5659: my $output = <<"END_BLOCK";
1.556 raeburn 5660: <script type="text/javascript">
5661: function validateEntry() {
1.558 ! albertel 5662:
1.556 raeburn 5663: var checkok = 1;
1.558 ! albertel 5664: var srchin;
! 5665: for (var i=0; i<document.crtuser.srchin.length; i++) {
! 5666: if ( document.crtuser.srchin[i].checked ) {
! 5667: srchin = document.crtuser.srchin[i].value;
! 5668: }
! 5669: }
! 5670:
1.556 raeburn 5671: var srchtype = document.crtuser.srchtype.options[document.crtuser.srchtype.selectedIndex].value;
5672: var srchby = document.crtuser.srchby.options[document.crtuser.srchby.selectedIndex].value;
5673: var srchdomain = document.crtuser.srchdomain.options[document.crtuser.srchdomain.selectedIndex].value;
5674: var srchterm = document.crtuser.srchterm.value;
5675: var msg = "";
5676:
5677: if (srchterm == "") {
5678: checkok = 0;
5679: msg += "You must include some text to search for.\\n";
5680: }
5681:
5682: if (srchtype== 'contains') {
5683: if (srchterm.length < 3) {
5684: checkok = 0;
5685: msg += "The text you are searching for must contain at least three characters when using a 'contained in' type search.\\n";
5686: }
5687: }
5688: if (srchin == 'instd') {
5689: if (srchdomain == '') {
5690: checkok = 0;
5691: msg += "You must choose a domain when using an institutional directory search.\\n";
5692: }
5693: }
5694: if (srchin == 'dom') {
5695: if (srchdomain == '') {
5696: checkok = 0;
5697: msg += "You must choose a domain when using a domain search.\\n";
5698: }
5699: }
5700: if (srchby == 'lastfirst') {
5701: if (srchterm.indexOf(",") == -1) {
5702: checkok = 0;
5703: msg += "When using searching by last,first you must include a comma as separator between last name and first name.\\n";
5704: }
5705: if (srchterm.indexOf(",") == srchterm.length -1) {
5706: checkok = 0;
5707: msg += "When searching by last,first you must include at least one character in the first name.\\n";
5708: }
5709: }
5710: if (checkok == 0) {
5711: alert("The following need to be corrected before the search can be run:\\n"+msg);
5712: return;
5713: }
5714: if (checkok == 1) {
5715: document.crtuser.submit();
5716: }
5717: }
5718:
5719: $newuserscript
5720:
5721: </script>
1.558 ! albertel 5722:
! 5723: $new_user_create
! 5724:
1.555 raeburn 5725: <table>
1.558 ! albertel 5726: <tr>
! 5727: <td> $srchbysel
! 5728: $srchtypesel
! 5729: <input type="text" size="15" name="srchterm" value="$srchterm" />
! 5730: </td>
! 5731: </tr>
! 5732: $srchin
1.555 raeburn 5733: </table>
5734: <br />
5735: END_BLOCK
1.558 ! albertel 5736:
1.555 raeburn 5737: return $output;
5738: }
5739:
1.556 raeburn 5740:
5741:
1.112 bowersj2 5742: =pod
5743:
1.549 albertel 5744: =back
5745:
5746: =head1 HTTP Helpers
5747:
5748: =over 4
5749:
1.112 bowersj2 5750: =item * get_unprocessed_cgi($query,$possible_names)
5751:
1.258 albertel 5752: Modify the %env hash to contain unprocessed CGI form parameters held in
1.112 bowersj2 5753: $query. The parameters listed in $possible_names (an array reference),
1.258 albertel 5754: will be set in $env{'form.name'} if they do not already exist.
1.112 bowersj2 5755:
5756: Typically called with $ENV{'QUERY_STRING'} as the first parameter.
5757: $possible_names is an ref to an array of form element names. As an example:
5758: get_unprocessed_cgi($ENV{'QUERY_STRING'},['uname','udom']);
1.258 albertel 5759: will result in $env{'form.uname'} and $env{'form.udom'} being set.
1.112 bowersj2 5760:
5761: =cut
1.1 albertel 5762:
1.6 albertel 5763: sub get_unprocessed_cgi {
1.25 albertel 5764: my ($query,$possible_names)= @_;
1.26 matthew 5765: # $Apache::lonxml::debug=1;
1.356 albertel 5766: foreach my $pair (split(/&/,$query)) {
5767: my ($name, $value) = split(/=/,$pair);
1.369 www 5768: $name = &unescape($name);
1.25 albertel 5769: if (!defined($possible_names) || (grep {$_ eq $name} @$possible_names)) {
5770: $value =~ tr/+/ /;
5771: $value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg;
1.258 albertel 5772: unless (defined($env{'form.'.$name})) { &add_to_env('form.'.$name,$value) };
1.25 albertel 5773: }
1.16 harris41 5774: }
1.6 albertel 5775: }
5776:
1.112 bowersj2 5777: =pod
5778:
5779: =item * cacheheader()
5780:
5781: returns cache-controlling header code
5782:
5783: =cut
5784:
1.7 albertel 5785: sub cacheheader {
1.258 albertel 5786: unless ($env{'request.method'} eq 'GET') { return ''; }
1.216 albertel 5787: my $date=strftime("%a, %d %b %Y %H:%M:%S GMT",gmtime);
5788: my $output .='<meta HTTP-EQUIV="Expires" CONTENT="'.$date.'" />
1.7 albertel 5789: <meta HTTP-EQUIV="Cache-control" CONTENT="no-cache" />
5790: <meta HTTP-EQUIV="Pragma" CONTENT="no-cache" />';
1.216 albertel 5791: return $output;
1.7 albertel 5792: }
5793:
1.112 bowersj2 5794: =pod
5795:
5796: =item * no_cache($r)
5797:
5798: specifies header code to not have cache
5799:
5800: =cut
5801:
1.9 albertel 5802: sub no_cache {
1.216 albertel 5803: my ($r) = @_;
5804: if ($ENV{'REQUEST_METHOD'} ne 'GET' &&
1.258 albertel 5805: $env{'request.method'} ne 'GET') { return ''; }
1.216 albertel 5806: my $date=strftime("%a, %d %b %Y %H:%M:%S GMT",gmtime(time));
5807: $r->no_cache(1);
5808: $r->header_out("Expires" => $date);
5809: $r->header_out("Pragma" => "no-cache");
1.123 www 5810: }
5811:
5812: sub content_type {
1.181 albertel 5813: my ($r,$type,$charset) = @_;
1.299 foxr 5814: if ($r) {
5815: # Note that printout.pl calls this with undef for $r.
5816: &no_cache($r);
5817: }
1.258 albertel 5818: if ($env{'browser.mathml'} && $type eq 'text/html') { $type='text/xml'; }
1.181 albertel 5819: unless ($charset) {
5820: $charset=&Apache::lonlocal::current_encoding;
5821: }
5822: if ($charset) { $type.='; charset='.$charset; }
5823: if ($r) {
5824: $r->content_type($type);
5825: } else {
5826: print("Content-type: $type\n\n");
5827: }
1.9 albertel 5828: }
1.25 albertel 5829:
1.112 bowersj2 5830: =pod
5831:
5832: =item * add_to_env($name,$value)
5833:
1.258 albertel 5834: adds $name to the %env hash with value
1.112 bowersj2 5835: $value, if $name already exists, the entry is converted to an array
5836: reference and $value is added to the array.
5837:
5838: =cut
5839:
1.25 albertel 5840: sub add_to_env {
5841: my ($name,$value)=@_;
1.258 albertel 5842: if (defined($env{$name})) {
5843: if (ref($env{$name})) {
1.25 albertel 5844: #already have multiple values
1.258 albertel 5845: push(@{ $env{$name} },$value);
1.25 albertel 5846: } else {
5847: #first time seeing multiple values, convert hash entry to an arrayref
1.258 albertel 5848: my $first=$env{$name};
5849: undef($env{$name});
5850: push(@{ $env{$name} },$first,$value);
1.25 albertel 5851: }
5852: } else {
1.258 albertel 5853: $env{$name}=$value;
1.25 albertel 5854: }
1.31 albertel 5855: }
1.149 albertel 5856:
5857: =pod
5858:
5859: =item * get_env_multiple($name)
5860:
1.258 albertel 5861: gets $name from the %env hash, it seemlessly handles the cases where multiple
1.149 albertel 5862: values may be defined and end up as an array ref.
5863:
5864: returns an array of values
5865:
5866: =cut
5867:
5868: sub get_env_multiple {
5869: my ($name) = @_;
5870: my @values;
1.258 albertel 5871: if (defined($env{$name})) {
1.149 albertel 5872: # exists is it an array
1.258 albertel 5873: if (ref($env{$name})) {
5874: @values=@{ $env{$name} };
1.149 albertel 5875: } else {
1.258 albertel 5876: $values[0]=$env{$name};
1.149 albertel 5877: }
5878: }
5879: return(@values);
5880: }
5881:
1.31 albertel 5882:
1.41 ng 5883: =pod
1.45 matthew 5884:
1.464 albertel 5885: =back
1.41 ng 5886:
1.112 bowersj2 5887: =head1 CSV Upload/Handling functions
1.38 albertel 5888:
1.41 ng 5889: =over 4
5890:
1.112 bowersj2 5891: =item * upfile_store($r)
1.41 ng 5892:
5893: Store uploaded file, $r should be the HTTP Request object,
1.258 albertel 5894: needs $env{'form.upfile'}
1.41 ng 5895: returns $datatoken to be put into hidden field
5896:
5897: =cut
1.31 albertel 5898:
5899: sub upfile_store {
5900: my $r=shift;
1.258 albertel 5901: $env{'form.upfile'}=~s/\r/\n/gs;
5902: $env{'form.upfile'}=~s/\f/\n/gs;
5903: $env{'form.upfile'}=~s/\n+/\n/gs;
5904: $env{'form.upfile'}=~s/\n+$//gs;
1.31 albertel 5905:
1.258 albertel 5906: my $datatoken=$env{'user.name'}.'_'.$env{'user.domain'}.
5907: '_enroll_'.$env{'request.course.id'}.'_'.time.'_'.$$;
1.31 albertel 5908: {
1.158 raeburn 5909: my $datafile = $r->dir_config('lonDaemons').
5910: '/tmp/'.$datatoken.'.tmp';
5911: if ( open(my $fh,">$datafile") ) {
1.258 albertel 5912: print $fh $env{'form.upfile'};
1.158 raeburn 5913: close($fh);
5914: }
1.31 albertel 5915: }
5916: return $datatoken;
5917: }
5918:
1.56 matthew 5919: =pod
5920:
1.112 bowersj2 5921: =item * load_tmp_file($r)
1.41 ng 5922:
5923: Load uploaded file from tmp, $r should be the HTTP Request object,
1.258 albertel 5924: needs $env{'form.datatoken'},
5925: sets $env{'form.upfile'} to the contents of the file
1.41 ng 5926:
5927: =cut
1.31 albertel 5928:
5929: sub load_tmp_file {
5930: my $r=shift;
5931: my @studentdata=();
5932: {
1.158 raeburn 5933: my $studentfile = $r->dir_config('lonDaemons').
1.258 albertel 5934: '/tmp/'.$env{'form.datatoken'}.'.tmp';
1.158 raeburn 5935: if ( open(my $fh,"<$studentfile") ) {
5936: @studentdata=<$fh>;
5937: close($fh);
5938: }
1.31 albertel 5939: }
1.258 albertel 5940: $env{'form.upfile'}=join('',@studentdata);
1.31 albertel 5941: }
5942:
1.56 matthew 5943: =pod
5944:
1.112 bowersj2 5945: =item * upfile_record_sep()
1.41 ng 5946:
5947: Separate uploaded file into records
5948: returns array of records,
1.258 albertel 5949: needs $env{'form.upfile'} and $env{'form.upfiletype'}
1.41 ng 5950:
5951: =cut
1.31 albertel 5952:
5953: sub upfile_record_sep {
1.258 albertel 5954: if ($env{'form.upfiletype'} eq 'xml') {
1.31 albertel 5955: } else {
1.248 albertel 5956: my @records;
1.258 albertel 5957: foreach my $line (split(/\n/,$env{'form.upfile'})) {
1.248 albertel 5958: if ($line=~/^\s*$/) { next; }
5959: push(@records,$line);
5960: }
5961: return @records;
1.31 albertel 5962: }
5963: }
5964:
1.56 matthew 5965: =pod
5966:
1.112 bowersj2 5967: =item * record_sep($record)
1.41 ng 5968:
1.258 albertel 5969: Separate a record into fields $record should be an item from the upfile_record_sep(), needs $env{'form.upfiletype'}
1.41 ng 5970:
5971: =cut
5972:
1.263 www 5973: sub takeleft {
5974: my $index=shift;
5975: return substr('0000'.$index,-4,4);
5976: }
5977:
1.31 albertel 5978: sub record_sep {
5979: my $record=shift;
5980: my %components=();
1.258 albertel 5981: if ($env{'form.upfiletype'} eq 'xml') {
5982: } elsif ($env{'form.upfiletype'} eq 'space') {
1.31 albertel 5983: my $i=0;
1.356 albertel 5984: foreach my $field (split(/\s+/,$record)) {
1.31 albertel 5985: $field=~s/^(\"|\')//;
5986: $field=~s/(\"|\')$//;
1.263 www 5987: $components{&takeleft($i)}=$field;
1.31 albertel 5988: $i++;
5989: }
1.258 albertel 5990: } elsif ($env{'form.upfiletype'} eq 'tab') {
1.31 albertel 5991: my $i=0;
1.356 albertel 5992: foreach my $field (split(/\t/,$record)) {
1.31 albertel 5993: $field=~s/^(\"|\')//;
5994: $field=~s/(\"|\')$//;
1.263 www 5995: $components{&takeleft($i)}=$field;
1.31 albertel 5996: $i++;
5997: }
5998: } else {
1.480 banghart 5999: my @allfields;
6000: if ($env{'form.upfiletype'} eq 'semisv') {
1.504 albertel 6001: @allfields=split(/;/,$record,-1);
1.480 banghart 6002: } else {
1.504 albertel 6003: @allfields=split(/\,/,$record,-1);
1.480 banghart 6004: }
1.31 albertel 6005: my $i=0;
6006: my $j;
6007: for ($j=0;$j<=$#allfields;$j++) {
6008: my $field=$allfields[$j];
6009: if ($field=~/^\s*(\"|\')/) {
6010: my $delimiter=$1;
6011: while (($field!~/$delimiter$/) && ($j<$#allfields)) {
6012: $j++;
6013: $field.=','.$allfields[$j];
6014: }
6015: $field=~s/^\s*$delimiter//;
6016: $field=~s/$delimiter\s*$//;
6017: }
1.263 www 6018: $components{&takeleft($i)}=$field;
1.31 albertel 6019: $i++;
6020: }
6021: }
6022: return %components;
6023: }
6024:
1.144 matthew 6025: ######################################################
6026: ######################################################
6027:
1.56 matthew 6028: =pod
6029:
1.112 bowersj2 6030: =item * upfile_select_html()
1.41 ng 6031:
1.144 matthew 6032: Return HTML code to select a file from the users machine and specify
6033: the file type.
1.41 ng 6034:
6035: =cut
6036:
1.144 matthew 6037: ######################################################
6038: ######################################################
1.31 albertel 6039: sub upfile_select_html {
1.144 matthew 6040: my %Types = (
6041: csv => &mt('CSV (comma separated values, spreadsheet)'),
1.480 banghart 6042: semisv => &mt('Semicolon separated values'),
1.144 matthew 6043: space => &mt('Space separated'),
6044: tab => &mt('Tabulator separated'),
6045: # xml => &mt('HTML/XML'),
6046: );
6047: my $Str = '<input type="file" name="upfile" size="50" />'.
6048: '<br />Type: <select name="upfiletype">';
6049: foreach my $type (sort(keys(%Types))) {
6050: $Str .= '<option value="'.$type.'" >'.$Types{$type}."</option>\n";
6051: }
6052: $Str .= "</select>\n";
6053: return $Str;
1.31 albertel 6054: }
6055:
1.301 albertel 6056: sub get_samples {
6057: my ($records,$toget) = @_;
6058: my @samples=({});
6059: my $got=0;
6060: foreach my $rec (@$records) {
6061: my %temp = &record_sep($rec);
6062: if (! grep(/\S/, values(%temp))) { next; }
6063: if (%temp) {
6064: $samples[$got]=\%temp;
6065: $got++;
6066: if ($got == $toget) { last; }
6067: }
6068: }
6069: return \@samples;
6070: }
6071:
1.144 matthew 6072: ######################################################
6073: ######################################################
6074:
1.56 matthew 6075: =pod
6076:
1.112 bowersj2 6077: =item * csv_print_samples($r,$records)
1.41 ng 6078:
6079: Prints a table of sample values from each column uploaded $r is an
6080: Apache Request ref, $records is an arrayref from
6081: &Apache::loncommon::upfile_record_sep
6082:
6083: =cut
6084:
1.144 matthew 6085: ######################################################
6086: ######################################################
1.31 albertel 6087: sub csv_print_samples {
6088: my ($r,$records) = @_;
1.301 albertel 6089: my $samples = &get_samples($records,3);
6090:
1.144 matthew 6091: $r->print(&mt('Samples').'<br /><table border="2"><tr>');
1.356 albertel 6092: foreach my $sample (sort({$a <=> $b} keys(%{ $samples->[0] }))) {
6093: $r->print('<th>'.&mt('Column [_1]',($sample+1)).'</th>'); }
1.31 albertel 6094: $r->print('</tr>');
1.301 albertel 6095: foreach my $hash (@$samples) {
1.31 albertel 6096: $r->print('<tr>');
1.356 albertel 6097: foreach my $sample (sort({$a <=> $b} keys(%{ $samples->[0] }))) {
1.31 albertel 6098: $r->print('<td>');
1.356 albertel 6099: if (defined($$hash{$sample})) { $r->print($$hash{$sample}); }
1.31 albertel 6100: $r->print('</td>');
6101: }
6102: $r->print('</tr>');
6103: }
6104: $r->print('</tr></table><br />'."\n");
6105: }
6106:
1.144 matthew 6107: ######################################################
6108: ######################################################
6109:
1.56 matthew 6110: =pod
6111:
1.112 bowersj2 6112: =item * csv_print_select_table($r,$records,$d)
1.41 ng 6113:
6114: Prints a table to create associations between values and table columns.
1.144 matthew 6115:
1.41 ng 6116: $r is an Apache Request ref,
6117: $records is an arrayref from &Apache::loncommon::upfile_record_sep,
1.174 matthew 6118: $d is an array of 2 element arrays (internal name, displayed name,defaultcol)
1.41 ng 6119:
6120: =cut
6121:
1.144 matthew 6122: ######################################################
6123: ######################################################
1.31 albertel 6124: sub csv_print_select_table {
6125: my ($r,$records,$d) = @_;
1.301 albertel 6126: my $i=0;
6127: my $samples = &get_samples($records,1);
1.144 matthew 6128: $r->print(&mt('Associate columns with student attributes.')."\n".
6129: '<table border="2"><tr>'.
6130: '<th>'.&mt('Attribute').'</th>'.
6131: '<th>'.&mt('Column').'</th></tr>'."\n");
1.356 albertel 6132: foreach my $array_ref (@$d) {
6133: my ($value,$display,$defaultcol)=@{ $array_ref };
1.31 albertel 6134: $r->print('<tr><td>'.$display.'</td>');
6135:
6136: $r->print('<td><select name=f'.$i.
1.32 matthew 6137: ' onchange="javascript:flip(this.form,'.$i.');">');
1.31 albertel 6138: $r->print('<option value="none"></option>');
1.356 albertel 6139: foreach my $sample (sort({$a <=> $b} keys(%{ $samples->[0] }))) {
6140: $r->print('<option value="'.$sample.'"'.
6141: ($sample eq $defaultcol ? ' selected="selected" ' : '').
6142: '>Column '.($sample+1).'</option>');
1.31 albertel 6143: }
6144: $r->print('</select></td></tr>'."\n");
6145: $i++;
6146: }
6147: $i--;
6148: return $i;
6149: }
1.56 matthew 6150:
1.144 matthew 6151: ######################################################
6152: ######################################################
6153:
1.56 matthew 6154: =pod
1.31 albertel 6155:
1.112 bowersj2 6156: =item * csv_samples_select_table($r,$records,$d)
1.41 ng 6157:
6158: Prints a table of sample values from the upload and can make associate samples to internal names.
6159:
6160: $r is an Apache Request ref,
6161: $records is an arrayref from &Apache::loncommon::upfile_record_sep,
6162: $d is an array of 2 element arrays (internal name, displayed name)
6163:
6164: =cut
6165:
1.144 matthew 6166: ######################################################
6167: ######################################################
1.31 albertel 6168: sub csv_samples_select_table {
6169: my ($r,$records,$d) = @_;
6170: my $i=0;
1.144 matthew 6171: #
1.301 albertel 6172: my $samples = &get_samples($records,3);
1.144 matthew 6173: $r->print('<table border=2><tr><th>'.
6174: &mt('Field').'</th><th>'.&mt('Samples').'</th></tr>');
1.301 albertel 6175:
6176: foreach my $key (sort(keys(%{ $samples->[0] }))) {
1.144 matthew 6177: $r->print('<tr><td><select name="f'.$i.'"'.
1.32 matthew 6178: ' onchange="javascript:flip(this.form,'.$i.');">');
1.301 albertel 6179: foreach my $option (@$d) {
6180: my ($value,$display,$defaultcol)=@{ $option };
1.174 matthew 6181: $r->print('<option value="'.$value.'"'.
1.253 albertel 6182: ($i eq $defaultcol ? ' selected="selected" ':'').'>'.
1.174 matthew 6183: $display.'</option>');
1.31 albertel 6184: }
6185: $r->print('</select></td><td>');
1.301 albertel 6186: foreach my $line (0..2) {
6187: if (defined($samples->[$line]{$key})) {
6188: $r->print($samples->[$line]{$key}."<br />\n");
6189: }
6190: }
1.31 albertel 6191: $r->print('</td></tr>');
6192: $i++;
6193: }
6194: $i--;
6195: return($i);
1.115 matthew 6196: }
6197:
1.144 matthew 6198: ######################################################
6199: ######################################################
6200:
1.115 matthew 6201: =pod
6202:
6203: =item clean_excel_name($name)
6204:
6205: Returns a replacement for $name which does not contain any illegal characters.
6206:
6207: =cut
6208:
1.144 matthew 6209: ######################################################
6210: ######################################################
1.115 matthew 6211: sub clean_excel_name {
6212: my ($name) = @_;
6213: $name =~ s/[:\*\?\/\\]//g;
6214: if (length($name) > 31) {
6215: $name = substr($name,0,31);
6216: }
6217: return $name;
1.25 albertel 6218: }
1.84 albertel 6219:
1.85 albertel 6220: =pod
6221:
1.112 bowersj2 6222: =item * check_if_partid_hidden($id,$symb,$udom,$uname)
1.85 albertel 6223:
6224: Returns either 1 or undef
6225:
6226: 1 if the part is to be hidden, undef if it is to be shown
6227:
6228: Arguments are:
6229:
6230: $id the id of the part to be checked
6231: $symb, optional the symb of the resource to check
6232: $udom, optional the domain of the user to check for
6233: $uname, optional the username of the user to check for
6234:
6235: =cut
1.84 albertel 6236:
6237: sub check_if_partid_hidden {
6238: my ($id,$symb,$udom,$uname) = @_;
1.133 albertel 6239: my $hiddenparts=&Apache::lonnet::EXT('resource.0.hiddenparts',
1.84 albertel 6240: $symb,$udom,$uname);
1.141 albertel 6241: my $truth=1;
6242: #if the string starts with !, then the list is the list to show not hide
6243: if ($hiddenparts=~s/^\s*!//) { $truth=undef; }
1.84 albertel 6244: my @hiddenlist=split(/,/,$hiddenparts);
6245: foreach my $checkid (@hiddenlist) {
1.141 albertel 6246: if ($checkid =~ /^\s*\Q$id\E\s*$/) { return $truth; }
1.84 albertel 6247: }
1.141 albertel 6248: return !$truth;
1.84 albertel 6249: }
1.127 matthew 6250:
1.138 matthew 6251:
6252: ############################################################
6253: ############################################################
6254:
6255: =pod
6256:
1.157 matthew 6257: =back
6258:
1.138 matthew 6259: =head1 cgi-bin script and graphing routines
6260:
1.157 matthew 6261: =over 4
6262:
1.138 matthew 6263: =item get_cgi_id
6264:
6265: Inputs: none
6266:
6267: Returns an id which can be used to pass environment variables
6268: to various cgi-bin scripts. These environment variables will
6269: be removed from the users environment after a given time by
6270: the routine &Apache::lonnet::transfer_profile_to_env.
6271:
6272: =cut
6273:
6274: ############################################################
6275: ############################################################
1.152 albertel 6276: my $uniq=0;
1.136 matthew 6277: sub get_cgi_id {
1.154 albertel 6278: $uniq=($uniq+1)%100000;
1.280 albertel 6279: return (time.'_'.$$.'_'.$uniq);
1.136 matthew 6280: }
6281:
1.127 matthew 6282: ############################################################
6283: ############################################################
6284:
6285: =pod
6286:
1.134 matthew 6287: =item DrawBarGraph
1.127 matthew 6288:
1.138 matthew 6289: Facilitates the plotting of data in a (stacked) bar graph.
6290: Puts plot definition data into the users environment in order for
6291: graph.png to plot it. Returns an <img> tag for the plot.
6292: The bars on the plot are labeled '1','2',...,'n'.
6293:
6294: Inputs:
6295:
6296: =over 4
6297:
6298: =item $Title: string, the title of the plot
6299:
6300: =item $xlabel: string, text describing the X-axis of the plot
6301:
6302: =item $ylabel: string, text describing the Y-axis of the plot
6303:
6304: =item $Max: scalar, the maximum Y value to use in the plot
6305: If $Max is < any data point, the graph will not be rendered.
6306:
1.140 matthew 6307: =item $colors: array ref holding the colors to be used for the data sets when
1.138 matthew 6308: they are plotted. If undefined, default values will be used.
6309:
1.178 matthew 6310: =item $labels: array ref holding the labels to use on the x-axis for the bars.
6311:
1.138 matthew 6312: =item @Values: An array of array references. Each array reference holds data
6313: to be plotted in a stacked bar chart.
6314:
1.239 matthew 6315: =item If the final element of @Values is a hash reference the key/value
6316: pairs will be added to the graph definition.
6317:
1.138 matthew 6318: =back
6319:
6320: Returns:
6321:
6322: An <img> tag which references graph.png and the appropriate identifying
6323: information for the plot.
6324:
1.127 matthew 6325: =cut
6326:
6327: ############################################################
6328: ############################################################
1.134 matthew 6329: sub DrawBarGraph {
1.178 matthew 6330: my ($Title,$xlabel,$ylabel,$Max,$colors,$labels,@Values)=@_;
1.134 matthew 6331: #
6332: if (! defined($colors)) {
6333: $colors = ['#33ff00',
6334: '#0033cc', '#990000', '#aaaa66', '#663399', '#ff9933',
6335: '#66ccff', '#ff9999', '#cccc33', '#660000', '#33cc66',
6336: ];
6337: }
1.228 matthew 6338: my $extra_settings = {};
6339: if (ref($Values[-1]) eq 'HASH') {
6340: $extra_settings = pop(@Values);
6341: }
1.127 matthew 6342: #
1.136 matthew 6343: my $identifier = &get_cgi_id();
6344: my $id = 'cgi.'.$identifier;
1.129 matthew 6345: if (! @Values || ref($Values[0]) ne 'ARRAY') {
1.127 matthew 6346: return '';
6347: }
1.225 matthew 6348: #
6349: my @Labels;
6350: if (defined($labels)) {
6351: @Labels = @$labels;
6352: } else {
6353: for (my $i=0;$i<@{$Values[0]};$i++) {
6354: push (@Labels,$i+1);
6355: }
6356: }
6357: #
1.129 matthew 6358: my $NumBars = scalar(@{$Values[0]});
1.225 matthew 6359: if ($NumBars < scalar(@Labels)) { $NumBars = scalar(@Labels); }
1.129 matthew 6360: my %ValuesHash;
6361: my $NumSets=1;
6362: foreach my $array (@Values) {
6363: next if (! ref($array));
1.136 matthew 6364: $ValuesHash{$id.'.data.'.$NumSets++} =
1.132 matthew 6365: join(',',@$array);
1.129 matthew 6366: }
1.127 matthew 6367: #
1.136 matthew 6368: my ($height,$width,$xskip,$bar_width) = (200,120,1,15);
1.225 matthew 6369: if ($NumBars < 3) {
6370: $width = 120+$NumBars*32;
1.220 matthew 6371: $xskip = 1;
1.225 matthew 6372: $bar_width = 30;
6373: } elsif ($NumBars < 5) {
6374: $width = 120+$NumBars*20;
6375: $xskip = 1;
6376: $bar_width = 20;
1.220 matthew 6377: } elsif ($NumBars < 10) {
1.136 matthew 6378: $width = 120+$NumBars*15;
6379: $xskip = 1;
6380: $bar_width = 15;
6381: } elsif ($NumBars <= 25) {
6382: $width = 120+$NumBars*11;
6383: $xskip = 5;
6384: $bar_width = 8;
6385: } elsif ($NumBars <= 50) {
6386: $width = 120+$NumBars*8;
6387: $xskip = 5;
6388: $bar_width = 4;
6389: } else {
6390: $width = 120+$NumBars*8;
6391: $xskip = 5;
6392: $bar_width = 4;
6393: }
6394: #
1.137 matthew 6395: $Max = 1 if ($Max < 1);
6396: if ( int($Max) < $Max ) {
6397: $Max++;
6398: $Max = int($Max);
6399: }
1.127 matthew 6400: $Title = '' if (! defined($Title));
6401: $xlabel = '' if (! defined($xlabel));
6402: $ylabel = '' if (! defined($ylabel));
1.369 www 6403: $ValuesHash{$id.'.title'} = &escape($Title);
6404: $ValuesHash{$id.'.xlabel'} = &escape($xlabel);
6405: $ValuesHash{$id.'.ylabel'} = &escape($ylabel);
1.137 matthew 6406: $ValuesHash{$id.'.y_max_value'} = $Max;
1.136 matthew 6407: $ValuesHash{$id.'.NumBars'} = $NumBars;
6408: $ValuesHash{$id.'.NumSets'} = $NumSets;
6409: $ValuesHash{$id.'.PlotType'} = 'bar';
6410: $ValuesHash{$id.'.Colors'} = join(',',@{$colors});
6411: $ValuesHash{$id.'.height'} = $height;
6412: $ValuesHash{$id.'.width'} = $width;
6413: $ValuesHash{$id.'.xskip'} = $xskip;
6414: $ValuesHash{$id.'.bar_width'} = $bar_width;
6415: $ValuesHash{$id.'.labels'} = join(',',@Labels);
1.127 matthew 6416: #
1.228 matthew 6417: # Deal with other parameters
6418: while (my ($key,$value) = each(%$extra_settings)) {
6419: $ValuesHash{$id.'.'.$key} = $value;
6420: }
6421: #
1.137 matthew 6422: &Apache::lonnet::appenv(%ValuesHash);
6423: return '<img src="/cgi-bin/graph.png?'.$identifier.'" border="1" />';
6424: }
6425:
6426: ############################################################
6427: ############################################################
6428:
6429: =pod
6430:
6431: =item DrawXYGraph
6432:
1.138 matthew 6433: Facilitates the plotting of data in an XY graph.
6434: Puts plot definition data into the users environment in order for
6435: graph.png to plot it. Returns an <img> tag for the plot.
6436:
6437: Inputs:
6438:
6439: =over 4
6440:
6441: =item $Title: string, the title of the plot
6442:
6443: =item $xlabel: string, text describing the X-axis of the plot
6444:
6445: =item $ylabel: string, text describing the Y-axis of the plot
6446:
6447: =item $Max: scalar, the maximum Y value to use in the plot
6448: If $Max is < any data point, the graph will not be rendered.
6449:
6450: =item $colors: Array ref containing the hex color codes for the data to be
6451: plotted in. If undefined, default values will be used.
6452:
6453: =item $Xlabels: Array ref containing the labels to be used for the X-axis.
6454:
6455: =item $Ydata: Array ref containing Array refs.
1.185 www 6456: Each of the contained arrays will be plotted as a separate curve.
1.138 matthew 6457:
6458: =item %Values: hash indicating or overriding any default values which are
6459: passed to graph.png.
6460: Possible values are: width, xskip, x_ticks, x_tick_offset, among others.
6461:
6462: =back
6463:
6464: Returns:
6465:
6466: An <img> tag which references graph.png and the appropriate identifying
6467: information for the plot.
6468:
1.137 matthew 6469: =cut
6470:
6471: ############################################################
6472: ############################################################
6473: sub DrawXYGraph {
6474: my ($Title,$xlabel,$ylabel,$Max,$colors,$Xlabels,$Ydata,%Values)=@_;
6475: #
6476: # Create the identifier for the graph
6477: my $identifier = &get_cgi_id();
6478: my $id = 'cgi.'.$identifier;
6479: #
6480: $Title = '' if (! defined($Title));
6481: $xlabel = '' if (! defined($xlabel));
6482: $ylabel = '' if (! defined($ylabel));
6483: my %ValuesHash =
6484: (
1.369 www 6485: $id.'.title' => &escape($Title),
6486: $id.'.xlabel' => &escape($xlabel),
6487: $id.'.ylabel' => &escape($ylabel),
1.137 matthew 6488: $id.'.y_max_value'=> $Max,
6489: $id.'.labels' => join(',',@$Xlabels),
6490: $id.'.PlotType' => 'XY',
6491: );
6492: #
6493: if (defined($colors) && ref($colors) eq 'ARRAY') {
6494: $ValuesHash{$id.'.Colors'} = join(',',@{$colors});
6495: }
6496: #
6497: if (! ref($Ydata) || ref($Ydata) ne 'ARRAY') {
6498: return '';
6499: }
6500: my $NumSets=1;
1.138 matthew 6501: foreach my $array (@{$Ydata}){
1.137 matthew 6502: next if (! ref($array));
6503: $ValuesHash{$id.'.data.'.$NumSets++} = join(',',@$array);
6504: }
1.138 matthew 6505: $ValuesHash{$id.'.NumSets'} = $NumSets-1;
1.137 matthew 6506: #
6507: # Deal with other parameters
6508: while (my ($key,$value) = each(%Values)) {
6509: $ValuesHash{$id.'.'.$key} = $value;
1.127 matthew 6510: }
6511: #
1.136 matthew 6512: &Apache::lonnet::appenv(%ValuesHash);
6513: return '<img src="/cgi-bin/graph.png?'.$identifier.'" border="1" />';
6514: }
6515:
6516: ############################################################
6517: ############################################################
6518:
6519: =pod
6520:
1.138 matthew 6521: =item DrawXYYGraph
6522:
6523: Facilitates the plotting of data in an XY graph with two Y axes.
6524: Puts plot definition data into the users environment in order for
6525: graph.png to plot it. Returns an <img> tag for the plot.
6526:
6527: Inputs:
6528:
6529: =over 4
6530:
6531: =item $Title: string, the title of the plot
6532:
6533: =item $xlabel: string, text describing the X-axis of the plot
6534:
6535: =item $ylabel: string, text describing the Y-axis of the plot
6536:
6537: =item $colors: Array ref containing the hex color codes for the data to be
6538: plotted in. If undefined, default values will be used.
6539:
6540: =item $Xlabels: Array ref containing the labels to be used for the X-axis.
6541:
6542: =item $Ydata1: The first data set
6543:
6544: =item $Min1: The minimum value of the left Y-axis
6545:
6546: =item $Max1: The maximum value of the left Y-axis
6547:
6548: =item $Ydata2: The second data set
6549:
6550: =item $Min2: The minimum value of the right Y-axis
6551:
6552: =item $Max2: The maximum value of the left Y-axis
6553:
6554: =item %Values: hash indicating or overriding any default values which are
6555: passed to graph.png.
6556: Possible values are: width, xskip, x_ticks, x_tick_offset, among others.
6557:
6558: =back
6559:
6560: Returns:
6561:
6562: An <img> tag which references graph.png and the appropriate identifying
6563: information for the plot.
1.136 matthew 6564:
6565: =cut
6566:
6567: ############################################################
6568: ############################################################
1.137 matthew 6569: sub DrawXYYGraph {
6570: my ($Title,$xlabel,$ylabel,$colors,$Xlabels,$Ydata1,$Min1,$Max1,
6571: $Ydata2,$Min2,$Max2,%Values)=@_;
1.136 matthew 6572: #
6573: # Create the identifier for the graph
6574: my $identifier = &get_cgi_id();
6575: my $id = 'cgi.'.$identifier;
6576: #
6577: $Title = '' if (! defined($Title));
6578: $xlabel = '' if (! defined($xlabel));
6579: $ylabel = '' if (! defined($ylabel));
6580: my %ValuesHash =
6581: (
1.369 www 6582: $id.'.title' => &escape($Title),
6583: $id.'.xlabel' => &escape($xlabel),
6584: $id.'.ylabel' => &escape($ylabel),
1.136 matthew 6585: $id.'.labels' => join(',',@$Xlabels),
6586: $id.'.PlotType' => 'XY',
6587: $id.'.NumSets' => 2,
1.137 matthew 6588: $id.'.two_axes' => 1,
6589: $id.'.y1_max_value' => $Max1,
6590: $id.'.y1_min_value' => $Min1,
6591: $id.'.y2_max_value' => $Max2,
6592: $id.'.y2_min_value' => $Min2,
1.136 matthew 6593: );
6594: #
1.137 matthew 6595: if (defined($colors) && ref($colors) eq 'ARRAY') {
6596: $ValuesHash{$id.'.Colors'} = join(',',@{$colors});
6597: }
6598: #
6599: if (! ref($Ydata1) || ref($Ydata1) ne 'ARRAY' ||
6600: ! ref($Ydata2) || ref($Ydata2) ne 'ARRAY'){
1.136 matthew 6601: return '';
6602: }
6603: my $NumSets=1;
1.137 matthew 6604: foreach my $array ($Ydata1,$Ydata2){
1.136 matthew 6605: next if (! ref($array));
6606: $ValuesHash{$id.'.data.'.$NumSets++} = join(',',@$array);
1.137 matthew 6607: }
6608: #
6609: # Deal with other parameters
6610: while (my ($key,$value) = each(%Values)) {
6611: $ValuesHash{$id.'.'.$key} = $value;
1.136 matthew 6612: }
6613: #
6614: &Apache::lonnet::appenv(%ValuesHash);
1.130 albertel 6615: return '<img src="/cgi-bin/graph.png?'.$identifier.'" border="1" />';
1.139 matthew 6616: }
6617:
6618: ############################################################
6619: ############################################################
6620:
6621: =pod
6622:
1.157 matthew 6623: =back
6624:
1.139 matthew 6625: =head1 Statistics helper routines?
6626:
6627: Bad place for them but what the hell.
6628:
1.157 matthew 6629: =over 4
6630:
1.139 matthew 6631: =item &chartlink
6632:
6633: Returns a link to the chart for a specific student.
6634:
6635: Inputs:
6636:
6637: =over 4
6638:
6639: =item $linktext: The text of the link
6640:
6641: =item $sname: The students username
6642:
6643: =item $sdomain: The students domain
6644:
6645: =back
6646:
1.157 matthew 6647: =back
6648:
1.139 matthew 6649: =cut
6650:
6651: ############################################################
6652: ############################################################
6653: sub chartlink {
6654: my ($linktext, $sname, $sdomain) = @_;
6655: my $link = '<a href="/adm/statistics?reportSelected=student_assessment'.
1.369 www 6656: '&SelectedStudent='.&escape($sname.':'.$sdomain).
1.219 albertel 6657: '&chartoutputmode='.HTML::Entities::encode('html, with all links').
1.139 matthew 6658: '">'.$linktext.'</a>';
1.153 matthew 6659: }
6660:
6661: #######################################################
6662: #######################################################
6663:
6664: =pod
6665:
6666: =head1 Course Environment Routines
1.157 matthew 6667:
6668: =over 4
1.153 matthew 6669:
6670: =item &restore_course_settings
6671:
6672: =item &store_course_settings
6673:
6674: Restores/Store indicated form parameters from the course environment.
6675: Will not overwrite existing values of the form parameters.
6676:
6677: Inputs:
6678: a scalar describing the data (e.g. 'chart', 'problem_analysis')
6679:
6680: a hash ref describing the data to be stored. For example:
6681:
6682: %Save_Parameters = ('Status' => 'scalar',
6683: 'chartoutputmode' => 'scalar',
6684: 'chartoutputdata' => 'scalar',
6685: 'Section' => 'array',
1.373 raeburn 6686: 'Group' => 'array',
1.153 matthew 6687: 'StudentData' => 'array',
6688: 'Maps' => 'array');
6689:
6690: Returns: both routines return nothing
6691:
6692: =cut
6693:
6694: #######################################################
6695: #######################################################
6696: sub store_course_settings {
1.496 albertel 6697: return &store_settings($env{'request.course.id'},@_);
6698: }
6699:
6700: sub store_settings {
1.153 matthew 6701: # save to the environment
6702: # appenv the same items, just to be safe
1.300 albertel 6703: my $udom = $env{'user.domain'};
6704: my $uname = $env{'user.name'};
1.496 albertel 6705: my ($context,$prefix,$Settings) = @_;
1.153 matthew 6706: my %SaveHash;
6707: my %AppHash;
6708: while (my ($setting,$type) = each(%$Settings)) {
1.496 albertel 6709: my $basename = join('.','internal',$context,$prefix,$setting);
1.300 albertel 6710: my $envname = 'environment.'.$basename;
1.258 albertel 6711: if (exists($env{'form.'.$setting})) {
1.153 matthew 6712: # Save this value away
6713: if ($type eq 'scalar' &&
1.258 albertel 6714: (! exists($env{$envname}) ||
6715: $env{$envname} ne $env{'form.'.$setting})) {
6716: $SaveHash{$basename} = $env{'form.'.$setting};
6717: $AppHash{$envname} = $env{'form.'.$setting};
1.153 matthew 6718: } elsif ($type eq 'array') {
6719: my $stored_form;
1.258 albertel 6720: if (ref($env{'form.'.$setting})) {
1.153 matthew 6721: $stored_form = join(',',
6722: map {
1.369 www 6723: &escape($_);
1.258 albertel 6724: } sort(@{$env{'form.'.$setting}}));
1.153 matthew 6725: } else {
6726: $stored_form =
1.369 www 6727: &escape($env{'form.'.$setting});
1.153 matthew 6728: }
6729: # Determine if the array contents are the same.
1.258 albertel 6730: if ($stored_form ne $env{$envname}) {
1.153 matthew 6731: $SaveHash{$basename} = $stored_form;
6732: $AppHash{$envname} = $stored_form;
6733: }
6734: }
6735: }
6736: }
6737: my $put_result = &Apache::lonnet::put('environment',\%SaveHash,
1.300 albertel 6738: $udom,$uname);
1.153 matthew 6739: if ($put_result !~ /^(ok|delayed)/) {
6740: &Apache::lonnet::logthis('unable to save form parameters, '.
6741: 'got error:'.$put_result);
6742: }
6743: # Make sure these settings stick around in this session, too
6744: &Apache::lonnet::appenv(%AppHash);
6745: return;
6746: }
6747:
6748: sub restore_course_settings {
1.499 albertel 6749: return &restore_settings($env{'request.course.id'},@_);
1.496 albertel 6750: }
6751:
6752: sub restore_settings {
6753: my ($context,$prefix,$Settings) = @_;
1.153 matthew 6754: while (my ($setting,$type) = each(%$Settings)) {
1.258 albertel 6755: next if (exists($env{'form.'.$setting}));
1.496 albertel 6756: my $envname = 'environment.internal.'.$context.'.'.$prefix.
1.153 matthew 6757: '.'.$setting;
1.258 albertel 6758: if (exists($env{$envname})) {
1.153 matthew 6759: if ($type eq 'scalar') {
1.258 albertel 6760: $env{'form.'.$setting} = $env{$envname};
1.153 matthew 6761: } elsif ($type eq 'array') {
1.258 albertel 6762: $env{'form.'.$setting} = [
1.153 matthew 6763: map {
1.369 www 6764: &unescape($_);
1.258 albertel 6765: } split(',',$env{$envname})
1.153 matthew 6766: ];
6767: }
6768: }
6769: }
1.127 matthew 6770: }
6771:
6772: ############################################################
6773: ############################################################
1.154 albertel 6774:
1.443 albertel 6775: sub commit_customrole {
6776: my ($udom,$uname,$url,$three,$four,$five,$start,$end) = @_;
6777: my $output = &mt('Assigning custom role').' "'.$five.'" by '.$four.'@'.$three.' in '.$url.
6778: ($start?', '.&mt('starting').' '.localtime($start):'').
6779: ($end?', ending '.localtime($end):'').': <b>'.
6780: &Apache::lonnet::assigncustomrole(
6781: $udom,$uname,$url,$three,$four,$five,$end,$start).
6782: '</b><br />';
6783: return $output;
6784: }
6785:
6786: sub commit_standardrole {
1.541 raeburn 6787: my ($udom,$uname,$url,$three,$start,$end,$one,$two,$sec,$context) = @_;
6788: my ($output,$logmsg,$linefeed);
6789: if ($context eq 'auto') {
6790: $linefeed = "\n";
6791: } else {
6792: $linefeed = "<br />\n";
6793: }
1.443 albertel 6794: if ($three eq 'st') {
1.541 raeburn 6795: my $result = &commit_studentrole(\$logmsg,$udom,$uname,$url,$three,$start,$end,
6796: $one,$two,$sec,$context);
6797: if (($result =~ /^error/) || ($result eq 'not_in_class') ||
6798: ($result eq 'unknown_course')) {
1.443 albertel 6799: $output = "Error: $result\n";
6800: } else {
1.541 raeburn 6801: $output = $logmsg.$linefeed.&mt('Assigning').' '.$three.' in '.$url.
1.443 albertel 6802: ($start?', '.&mt('starting').' '.localtime($start):'').
1.541 raeburn 6803: ($end?', '.&mt('ending').' '.localtime($end):'').': ';
6804: if ($context eq 'auto') {
6805: $output .= $result.$linefeed.&mt('Add to classlist').': ok';
6806: } else {
6807: $output .= '<b>'.$result.'</b>'.$linefeed.
6808: &mt('Add to classlist').': <b>ok</b>';
6809: }
6810: $output .= $linefeed;
1.443 albertel 6811: }
6812: } else {
6813: $output = &mt('Assigning').' '.$three.' in '.$url.
6814: ($start?', '.&mt('starting').' '.localtime($start):'').
1.541 raeburn 6815: ($end?', '.&mt('ending').' '.localtime($end):'').': ';
6816: my $result = &Apache::lonnet::assignrole($udom,$uname,$url,$three,$end,$start);
6817: if ($context eq 'auto') {
6818: $output .= $result.$linefeed;
6819: } else {
6820: $output .= '<b>'.$result.'</b>'.$linefeed;
6821: }
1.443 albertel 6822: }
6823: return $output;
6824: }
6825:
6826: sub commit_studentrole {
1.541 raeburn 6827: my ($logmsg,$udom,$uname,$url,$three,$start,$end,$one,$two,$sec,$context) = @_;
6828: my ($result,$linefeed);
6829: if ($context eq 'auto') {
6830: $linefeed = "\n";
6831: } else {
6832: $linefeed = '<br />'."\n";
6833: }
1.443 albertel 6834: if (defined($one) && defined($two)) {
6835: my $cid=$one.'_'.$two;
6836: my $oldsec=&Apache::lonnet::getsection($udom,$uname,$cid);
6837: my $secchange = 0;
6838: my $expire_role_result;
6839: my $modify_section_result;
6840: unless ($oldsec eq '-1') {
6841: unless ($sec eq $oldsec) {
6842: $secchange = 1;
6843: my $uurl='/'.$cid;
6844: $uurl=~s/\_/\//g;
6845: if ($oldsec) {
6846: $uurl.='/'.$oldsec;
6847: }
6848: $expire_role_result = &Apache::lonnet::assignrole($udom,$uname,$uurl,'st',time);
6849: $result = $expire_role_result;
6850: }
6851: }
6852: if (($expire_role_result eq 'ok') || ($secchange == 0)) {
6853: $modify_section_result = &Apache::lonnet::modify_student_enrollment($udom,$uname,undef,undef,undef,undef,undef,$sec,$end,$start,'','',$cid);
6854: if ($modify_section_result =~ /^ok/) {
6855: if ($secchange == 1) {
6856: $$logmsg .= "Section for $uname switched from old section: $oldsec to new section: $sec".$linefeed;
6857: } elsif ($oldsec eq '-1') {
6858: $$logmsg .= "New student role for $uname in section $sec in course $cid".$linefeed;
6859: } else {
6860: $$logmsg .= "Student $uname assigned to unchanged section $sec in course $cid".$linefeed;
6861: }
6862: } else {
6863: $$logmsg .= "Error when attempting section change for $uname from old section $oldsec to new section: $sec in course $cid -error: $modify_section_result".$linefeed;
6864: }
6865: $result = $modify_section_result;
6866: } elsif ($secchange == 1) {
6867: $$logmsg .= "Error when attempting to expire role for $uname in old section $oldsec in course $cid -error: $expire_role_result".$linefeed;
6868: }
6869: } else {
6870: $$logmsg .= "Incomplete course id defined. Addition of user $uname from domain $udom to course $one\_$two, section $sec not completed.$linefeed";
6871: $result = "error: incomplete course id\n";
6872: }
6873: return $result;
6874: }
6875:
6876: ############################################################
6877: ############################################################
6878:
1.444 albertel 6879: sub construct_course {
1.541 raeburn 6880: my ($args,$logmsg,$courseid,$crsudom,$crsunum,$udom,$uname,$context) = @_;
1.444 albertel 6881: my $outcome;
1.541 raeburn 6882: my $linefeed = '<br />'."\n";
6883: if ($context eq 'auto') {
6884: $linefeed = "\n";
6885: }
1.444 albertel 6886: #
6887: # Open course
6888: #
6889: my $crstype = lc($args->{'crstype'});
6890: my %cenv=();
6891: $$courseid=&Apache::lonnet::createcourse($args->{'course_domain'},
6892: $args->{'cdescr'},
6893: $args->{'curl'},
6894: $args->{'course_home'},
6895: $args->{'nonstandard'},
6896: $args->{'crscode'},
6897: $args->{'ccuname'}.':'.
6898: $args->{'ccdomain'},
6899: $args->{'crstype'});
6900:
6901: # Note: The testing routines depend on this being output; see
6902: # Utils::Course. This needs to at least be output as a comment
6903: # if anyone ever decides to not show this, and Utils::Course::new
6904: # will need to be suitably modified.
1.541 raeburn 6905: $outcome .= &mt('New LON-CAPA [_1] ID: [_2]',$crstype,$$courseid).$linefeed;
6906:
1.444 albertel 6907: #
6908: # Check if created correctly
6909: #
1.479 albertel 6910: ($$crsudom,$$crsunum)= &LONCAPA::split_courseid($$courseid);
1.444 albertel 6911: my $crsuhome=&Apache::lonnet::homeserver($$crsunum,$$crsudom);
1.541 raeburn 6912: $outcome .= &mt('Created on').': '.$crsuhome.$linefeed;
1.444 albertel 6913: #
6914: # Are we cloning?
6915: #
6916: my $cloneid='';
6917: if (($args->{'clonecourse'}) && ($args->{'clonedomain'})) {
1.541 raeburn 6918: my $can_clone = 0;
1.444 albertel 6919: $cloneid='/'.$args->{'clonedomain'}.'/'.$args->{'clonecourse'};
1.479 albertel 6920: my ($clonecrsudom,$clonecrsunum)= &LONCAPA::split_courseid($cloneid);
1.444 albertel 6921: my $clonehome=&Apache::lonnet::homeserver($clonecrsunum,$clonecrsudom);
1.541 raeburn 6922: my $clonemsg;
1.444 albertel 6923: if ($clonehome eq 'no_host') {
1.541 raeburn 6924: $clonemsg = &mt('Attempting to clone non-existing [_1]',$crstype);
6925: if ($context eq 'auto') {
6926: $outcome .= $clonemsg;
6927: } else {
6928: $outcome .= '<font color="red">'.$clonemsg.'</font>';
6929: }
6930: $outcome .= $linefeed;
1.444 albertel 6931: } else {
1.541 raeburn 6932: my %clonedesc = &Apache::lonnet::coursedescription($cloneid,{'one_time' => 1});
6933: if ($env{'request.role.domain'} eq $args->{'form.clonedomain'}) {
6934: $can_clone = 1;
6935: } else {
6936: my %clonehash = &Apache::lonnet::get('environment',['cloners'],
6937: $args->{'clonedomain'},$args->{'clonecourse'});
6938: my @cloners = split(/,/,$clonehash{'cloners'});
6939: my %roleshash =
6940: &Apache::lonnet::get_my_roles($args->{'ccuname'},
6941: $args->{'ccdomain'},'userroles',['active'],['cc'],
6942: [$args->{'clonedomain'}]);
6943: if (($roleshash{$args->{'clonecourse'}.':'.$args->{'clonedomain'}.':cc'}) || (grep(/^\Q$args->{'ccuname'}\E:\Q$args->{'ccdomain'}\E$/,@cloners))) {
6944: $can_clone = 1;
6945: } else {
6946: $clonemsg = &mt('The new course was not cloned from an existing course because the course owner ([_1]) does not have cloning rights in the existing course ([_2]).',$args->{'ccuname'}.':'.$args->{'ccdomain'},$clonedesc{'description'});
6947: if ($context eq 'auto') {
6948: $outcome .= $clonemsg;
6949: } else {
6950: $outcome .= '<font color="red">'.$clonemsg.'</font>';
6951: }
6952: $outcome .= $linefeed;
6953: }
6954: }
6955: }
6956: if ($can_clone) {
6957: $clonemsg = &mt('Cloning [_1] from [_2]',$crstype,$clonehome);
6958: if ($context eq 'auto') {
6959: $outcome = $clonemsg;
6960: } else {
6961: $outcome .= '<font color="green">'.$clonemsg.'</font>';
6962: }
6963: $outcome .= $linefeed;
1.444 albertel 6964: my %oldcenv=&Apache::lonnet::dump('environment',$$crsudom,$$crsunum);
6965: # Copy all files
6966: &Apache::lonclonecourse::copycoursefiles($cloneid,$$courseid);
6967: # Restore URL
6968: $cenv{'url'}=$oldcenv{'url'};
6969: # Restore title
6970: $cenv{'description'}=$oldcenv{'description'};
6971: # restore grading mode
6972: if (defined($oldcenv{'grading'})) {
6973: $cenv{'grading'}=$oldcenv{'grading'};
6974: }
6975: # Mark as cloned
6976: $cenv{'clonedfrom'}=$cloneid;
6977: delete($cenv{'default_enrollment_start_date'});
6978: delete($cenv{'default_enrollment_end_date'});
6979: }
6980: }
6981: #
6982: # Set environment (will override cloned, if existing)
6983: #
6984: my @sections = ();
6985: my @xlists = ();
6986: if ($args->{'crstype'}) {
6987: $cenv{'type'}=$args->{'crstype'};
6988: }
6989: if ($args->{'crsid'}) {
6990: $cenv{'courseid'}=$args->{'crsid'};
6991: }
6992: if ($args->{'crscode'}) {
6993: $cenv{'internal.coursecode'}=$args->{'crscode'};
6994: }
6995: if ($args->{'crsquota'} ne '') {
6996: $cenv{'internal.coursequota'}=$args->{'crsquota'};
6997: } else {
6998: $cenv{'internal.coursequota'}=$args->{'crsquota'} = 20;
6999: }
7000: if ($args->{'ccuname'}) {
7001: $cenv{'internal.courseowner'} = $args->{'ccuname'}.
7002: ':'.$args->{'ccdomain'};
7003: } else {
7004: $cenv{'internal.courseowner'} = $args->{'curruser'};
7005: }
7006:
7007: my @badclasses = (); # Used to accumulate sections/crosslistings that did not pass classlist access check for course owner.
7008: if ($args->{'crssections'}) {
7009: $cenv{'internal.sectionnums'} = '';
7010: if ($args->{'crssections'} =~ m/,/) {
7011: @sections = split/,/,$args->{'crssections'};
7012: } else {
7013: $sections[0] = $args->{'crssections'};
7014: }
7015: if (@sections > 0) {
7016: foreach my $item (@sections) {
7017: my ($sec,$gp) = split/:/,$item;
7018: my $class = $args->{'crscode'}.$sec;
7019: my $addcheck = &Apache::lonnet::auto_new_course($$crsunum,$$crsudom,$class,$cenv{'internal.courseowner'});
7020: $cenv{'internal.sectionnums'} .= $item.',';
7021: unless ($addcheck eq 'ok') {
7022: push @badclasses, $class;
7023: }
7024: }
7025: $cenv{'internal.sectionnums'} =~ s/,$//;
7026: }
7027: }
7028: # do not hide course coordinator from staff listing,
7029: # even if privileged
7030: $cenv{'nothideprivileged'}=$args->{'ccuname'}.':'.$args->{'ccdomain'};
7031: # add crosslistings
7032: if ($args->{'crsxlist'}) {
7033: $cenv{'internal.crosslistings'}='';
7034: if ($args->{'crsxlist'} =~ m/,/) {
7035: @xlists = split/,/,$args->{'crsxlist'};
7036: } else {
7037: $xlists[0] = $args->{'crsxlist'};
7038: }
7039: if (@xlists > 0) {
7040: foreach my $item (@xlists) {
7041: my ($xl,$gp) = split/:/,$item;
7042: my $addcheck = &Apache::lonnet::auto_new_course($$crsunum,$$crsudom,$xl,$cenv{'internal.courseowner'});
7043: $cenv{'internal.crosslistings'} .= $item.',';
7044: unless ($addcheck eq 'ok') {
7045: push @badclasses, $xl;
7046: }
7047: }
7048: $cenv{'internal.crosslistings'} =~ s/,$//;
7049: }
7050: }
7051: if ($args->{'autoadds'}) {
7052: $cenv{'internal.autoadds'}=$args->{'autoadds'};
7053: }
7054: if ($args->{'autodrops'}) {
7055: $cenv{'internal.autodrops'}=$args->{'autodrops'};
7056: }
7057: # check for notification of enrollment changes
7058: my @notified = ();
7059: if ($args->{'notify_owner'}) {
7060: if ($args->{'ccuname'} ne '') {
7061: push(@notified,$args->{'ccuname'}.':'.$args->{'ccdomain'});
7062: }
7063: }
7064: if ($args->{'notify_dc'}) {
7065: if ($uname ne '') {
7066: push(@notified,$uname.'@'.$udom);
7067: }
7068: }
7069: if (@notified > 0) {
7070: my $notifylist;
7071: if (@notified > 1) {
7072: $notifylist = join(',',@notified);
7073: } else {
7074: $notifylist = $notified[0];
7075: }
7076: $cenv{'internal.notifylist'} = $notifylist;
7077: }
7078: if (@badclasses > 0) {
7079: my %lt=&Apache::lonlocal::texthash(
7080: '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',
7081: 'dnhr' => 'does not have rights to access enrollment in these classes',
7082: 'adby' => 'as determined by the policies of your institution on access to official classlists'
7083: );
1.541 raeburn 7084: my $badclass_msg = $cenv{'internal.courseowner'}.') - '.$lt{'dnhr'}.
7085: ' ('.$lt{'adby'}.')';
7086: if ($context eq 'auto') {
7087: $outcome .= $badclass_msg.$linefeed;
7088: $outcome .= '<font color="red">'.$badclass_msg.$linefeed.'<ul>'."\n";
7089: foreach my $item (@badclasses) {
7090: if ($context eq 'auto') {
7091: $outcome .= " - $item\n";
7092: } else {
7093: $outcome .= "<li>$item</li>\n";
7094: }
7095: }
7096: if ($context eq 'auto') {
7097: $outcome .= $linefeed;
7098: } else {
7099: $outcome .= "</ul><br /><br /></font>\n";
7100: }
7101: }
1.444 albertel 7102: }
7103: if ($args->{'no_end_date'}) {
7104: $args->{'endaccess'} = 0;
7105: }
7106: $cenv{'internal.autostart'}=$args->{'enrollstart'};
7107: $cenv{'internal.autoend'}=$args->{'enrollend'};
7108: $cenv{'default_enrollment_start_date'}=$args->{'startaccess'};
7109: $cenv{'default_enrollment_end_date'}=$args->{'endaccess'};
7110: if ($args->{'showphotos'}) {
7111: $cenv{'internal.showphotos'}=$args->{'showphotos'};
7112: }
7113: $cenv{'internal.authtype'} = $args->{'authtype'};
7114: $cenv{'internal.autharg'} = $args->{'autharg'};
7115: if ( ($cenv{'internal.authtype'} =~ /^krb/) && ($cenv{'internal.autoadds'} == 1)) {
7116: if (! defined($cenv{'internal.autharg'}) || $cenv{'internal.autharg'} eq '') {
1.541 raeburn 7117: my $krb_msg = &mt('As you did not include the default Kerberos domain to be used for authentication in this class, the institutional data used by the automated enrollment process must include the Kerberos domain for each new student');
7118: if ($context eq 'auto') {
7119: $outcome .= $krb_msg;
7120: } else {
7121: $outcome .= '<font color="red" size="+1">'.$krb_msg.'</font>';
7122: }
7123: $outcome .= $linefeed;
1.444 albertel 7124: }
7125: }
7126: if (($args->{'ccdomain'}) && ($args->{'ccuname'})) {
7127: if ($args->{'setpolicy'}) {
7128: $cenv{'policy.email'}=$args->{'ccuname'}.':'.$args->{'ccdomain'};
7129: }
7130: if ($args->{'setcontent'}) {
7131: $cenv{'question.email'}=$args->{'ccuname'}.':'.$args->{'ccdomain'};
7132: }
7133: }
7134: if ($args->{'reshome'}) {
7135: $cenv{'reshome'}=$args->{'reshome'}.'/';
7136: $cenv{'reshome'}=~s/\/+$/\//;
7137: }
7138: #
7139: # course has keyed access
7140: #
7141: if ($args->{'setkeys'}) {
7142: $cenv{'keyaccess'}='yes';
7143: }
7144: # if specified, key authority is not course, but user
7145: # only active if keyaccess is yes
7146: if ($args->{'keyauth'}) {
1.487 albertel 7147: my ($user,$domain) = split(':',$args->{'keyauth'});
7148: $user = &LONCAPA::clean_username($user);
7149: $domain = &LONCAPA::clean_username($domain);
1.488 foxr 7150: if ($user ne '' && $domain ne '') {
1.487 albertel 7151: $cenv{'keyauth'}=$user.':'.$domain;
1.444 albertel 7152: }
7153: }
7154:
7155: if ($args->{'disresdis'}) {
7156: $cenv{'pch.roles.denied'}='st';
7157: }
7158: if ($args->{'disablechat'}) {
7159: $cenv{'plc.roles.denied'}='st';
7160: }
7161:
7162: # Record we've not yet viewed the Course Initialization Helper for this
7163: # course
7164: $cenv{'course.helper.not.run'} = 1;
7165: #
7166: # Use new Randomseed
7167: #
7168: $cenv{'rndseed'}=&Apache::lonnet::latest_rnd_algorithm_id();;
7169: $cenv{'receiptalg'}=&Apache::lonnet::latest_receipt_algorithm_id();;
7170: #
7171: # The encryption code and receipt prefix for this course
7172: #
7173: $cenv{'internal.encseed'}=$Apache::lonnet::perlvar{'lonReceipt'}.$$.time.int(rand(9999));
7174: $cenv{'internal.encpref'}=100+int(9*rand(99));
7175: #
7176: # By default, use standard grading
7177: if (!defined($cenv{'grading'})) { $cenv{'grading'} = 'standard'; }
7178:
1.541 raeburn 7179: $outcome .= $linefeed.&mt('Setting environment').': '.
7180: &Apache::lonnet::put('environment',\%cenv,$$crsudom,$$crsunum).$linefeed;
1.444 albertel 7181: #
7182: # Open all assignments
7183: #
7184: if ($args->{'openall'}) {
7185: my $storeunder=$$crsudom.'_'.$$crsunum.'.0.opendate';
7186: my %storecontent = ($storeunder => time,
7187: $storeunder.'.type' => 'date_start');
7188:
7189: $outcome .= &mt('Opening all assignments').': '.&Apache::lonnet::cput
1.541 raeburn 7190: ('resourcedata',\%storecontent,$$crsudom,$$crsunum).$linefeed;
1.444 albertel 7191: }
7192: #
7193: # Set first page
7194: #
7195: unless (($args->{'nonstandard'}) || ($args->{'firstres'} eq 'blank')
7196: || ($cloneid)) {
1.445 albertel 7197: use LONCAPA::map;
1.444 albertel 7198: $outcome .= &mt('Setting first resource').': ';
1.445 albertel 7199:
7200: my $map = '/uploaded/'.$$crsudom.'/'.$$crsunum.'/default.sequence';
7201: my ($errtext,$fatal)=&LONCAPA::map::mapread($map);
7202:
1.444 albertel 7203: $outcome .= ($fatal?$errtext:'read ok').' - ';
7204: my $title; my $url;
7205: if ($args->{'firstres'} eq 'syl') {
7206: $title='Syllabus';
7207: $url='/public/'.$$crsudom.'/'.$$crsunum.'/syllabus';
7208: } else {
7209: $title='Navigate Contents';
7210: $url='/adm/navmaps';
7211: }
1.445 albertel 7212:
7213: $LONCAPA::map::resources[1]=$title.':'.$url.':false:start:res';
7214: (my $outtext,$errtext) = &LONCAPA::map::storemap($map,1);
7215:
7216: if ($errtext) { $fatal=2; }
1.541 raeburn 7217: $outcome .= ($fatal?$errtext:'write ok').$linefeed;
1.444 albertel 7218: }
7219: return $outcome;
7220: }
7221:
7222: ############################################################
7223: ############################################################
7224:
1.378 raeburn 7225: sub course_type {
7226: my ($cid) = @_;
7227: if (!defined($cid)) {
7228: $cid = $env{'request.course.id'};
7229: }
1.404 albertel 7230: if (defined($env{'course.'.$cid.'.type'})) {
7231: return $env{'course.'.$cid.'.type'};
1.378 raeburn 7232: } else {
7233: return 'Course';
1.377 raeburn 7234: }
7235: }
1.156 albertel 7236:
1.406 raeburn 7237: sub group_term {
7238: my $crstype = &course_type();
7239: my %names = (
7240: 'Course' => 'group',
7241: 'Group' => 'team',
7242: );
7243: return $names{$crstype};
7244: }
7245:
1.156 albertel 7246: sub icon {
7247: my ($file)=@_;
1.505 albertel 7248: my $curfext = lc((split(/\./,$file))[-1]);
1.168 albertel 7249: my $iconname=$Apache::lonnet::perlvar{'lonIconsURL'}.'/unknown.gif';
1.156 albertel 7250: my $embstyle = &Apache::loncommon::fileembstyle($curfext);
1.168 albertel 7251: if (!(!defined($embstyle) || $embstyle eq 'unk' || $embstyle eq 'hdn')) {
7252: if (-e $Apache::lonnet::perlvar{'lonDocRoot'}.'/'.
7253: $Apache::lonnet::perlvar{'lonIconsURL'}.'/'.
7254: $curfext.".gif") {
7255: $iconname=$Apache::lonnet::perlvar{'lonIconsURL'}.'/'.
7256: $curfext.".gif";
7257: }
7258: }
1.249 albertel 7259: return &lonhttpdurl($iconname);
1.154 albertel 7260: }
1.84 albertel 7261:
1.215 albertel 7262: sub lonhttpdurl {
7263: my ($url)=@_;
7264: my $lonhttpd_port=$Apache::lonnet::perlvar{'lonhttpdPort'};
7265: if (!defined($lonhttpd_port)) { $lonhttpd_port='8080'; }
7266: return 'http://'.$ENV{'SERVER_NAME'}.':'.$lonhttpd_port.$url;
7267: }
7268:
1.213 albertel 7269: sub connection_aborted {
7270: my ($r)=@_;
7271: $r->print(" ");$r->rflush();
7272: my $c = $r->connection;
7273: return $c->aborted();
7274: }
7275:
1.221 foxr 7276: # Escapes strings that may have embedded 's that will be put into
1.222 foxr 7277: # strings as 'strings'.
7278: sub escape_single {
1.221 foxr 7279: my ($input) = @_;
1.223 albertel 7280: $input =~ s/\\/\\\\/g; # Escape the \'s..(must be first)>
1.221 foxr 7281: $input =~ s/\'/\\\'/g; # Esacpe the 's....
7282: return $input;
7283: }
1.223 albertel 7284:
1.222 foxr 7285: # Same as escape_single, but escape's "'s This
7286: # can be used for "strings"
7287: sub escape_double {
7288: my ($input) = @_;
7289: $input =~ s/\\/\\\\/g; # Escape the /'s..(must be first)>
7290: $input =~ s/\"/\\\"/g; # Esacpe the "s....
7291: return $input;
7292: }
1.223 albertel 7293:
1.222 foxr 7294: # Escapes the last element of a full URL.
7295: sub escape_url {
7296: my ($url) = @_;
1.238 raeburn 7297: my @urlslices = split(/\//, $url,-1);
1.369 www 7298: my $lastitem = &escape(pop(@urlslices));
1.223 albertel 7299: return join('/',@urlslices).'/'.$lastitem;
1.222 foxr 7300: }
1.462 albertel 7301:
7302: # -------------------------------------------------------- Initliaze user login
7303: sub init_user_environment {
1.463 albertel 7304: my ($r, $username, $domain, $authhost, $form, $args) = @_;
1.462 albertel 7305: my $lonids=$Apache::lonnet::perlvar{'lonIDsDir'};
7306:
7307: my $public=($username eq 'public' && $domain eq 'public');
7308:
7309: # See if old ID present, if so, remove
7310:
7311: my ($filename,$cookie,$userroles);
7312: my $now=time;
7313:
7314: if ($public) {
7315: my $max_public=100;
7316: my $oldest;
7317: my $oldest_time=0;
7318: for(my $next=1;$next<=$max_public;$next++) {
7319: if (-e $lonids."/publicuser_$next.id") {
7320: my $mtime=(stat($lonids."/publicuser_$next.id"))[9];
7321: if ($mtime<$oldest_time || !$oldest_time) {
7322: $oldest_time=$mtime;
7323: $oldest=$next;
7324: }
7325: } else {
7326: $cookie="publicuser_$next";
7327: last;
7328: }
7329: }
7330: if (!$cookie) { $cookie="publicuser_$oldest"; }
7331: } else {
1.463 albertel 7332: # if this isn't a robot, kill any existing non-robot sessions
7333: if (!$args->{'robot'}) {
7334: opendir(DIR,$lonids);
7335: while ($filename=readdir(DIR)) {
7336: if ($filename=~/^$username\_\d+\_$domain\_$authhost\.id$/) {
7337: unlink($lonids.'/'.$filename);
7338: }
1.462 albertel 7339: }
1.463 albertel 7340: closedir(DIR);
1.462 albertel 7341: }
7342: # Give them a new cookie
1.463 albertel 7343: my $id = ($args->{'robot'} ? 'robot'.$args->{'robot'}
7344: : $now);
7345: $cookie="$username\_$id\_$domain\_$authhost";
1.462 albertel 7346:
7347: # Initialize roles
7348:
7349: $userroles=&Apache::lonnet::rolesinit($domain,$username,$authhost);
7350: }
7351: # ------------------------------------ Check browser type and MathML capability
7352:
7353: my ($httpbrowser,$clientbrowser,$clientversion,$clientmathml,
7354: $clientunicode,$clientos) = &decode_user_agent($r);
7355:
7356: # -------------------------------------- Any accessibility options to remember?
7357: if (($form->{'interface'}) && ($form->{'remember'} eq 'true')) {
7358: foreach my $option ('imagesuppress','appletsuppress',
7359: 'embedsuppress','fontenhance','blackwhite') {
7360: if ($form->{$option} eq 'true') {
7361: &Apache::lonnet::put('environment',{$option => 'on'},
7362: $domain,$username);
7363: } else {
7364: &Apache::lonnet::del('environment',[$option],
7365: $domain,$username);
7366: }
7367: }
7368: }
7369: # ------------------------------------------------------------- Get environment
7370:
7371: my %userenv = &Apache::lonnet::dump('environment',$domain,$username);
7372: my ($tmp) = keys(%userenv);
7373: if ($tmp !~ /^(con_lost|error|no_such_host)/i) {
7374: # default remote control to off
7375: if ($userenv{'remote'} ne 'on') { $userenv{'remote'} = 'off'; }
7376: } else {
7377: undef(%userenv);
7378: }
7379: if (($userenv{'interface'}) && (!$form->{'interface'})) {
7380: $form->{'interface'}=$userenv{'interface'};
7381: }
7382: $env{'environment.remote'}=$userenv{'remote'};
7383: if ($userenv{'texengine'} eq 'ttm') { $clientmathml=1; }
7384:
7385: # --------------- Do not trust query string to be put directly into environment
7386: foreach my $option ('imagesuppress','appletsuppress',
7387: 'embedsuppress','fontenhance','blackwhite',
7388: 'interface','localpath','localres') {
7389: $form->{$option}=~s/[\n\r\=]//gs;
7390: }
7391: # --------------------------------------------------------- Write first profile
7392:
7393: {
7394: my %initial_env =
7395: ("user.name" => $username,
7396: "user.domain" => $domain,
7397: "user.home" => $authhost,
7398: "browser.type" => $clientbrowser,
7399: "browser.version" => $clientversion,
7400: "browser.mathml" => $clientmathml,
7401: "browser.unicode" => $clientunicode,
7402: "browser.os" => $clientos,
7403: "server.domain" => $Apache::lonnet::perlvar{'lonDefDomain'},
7404: "request.course.fn" => '',
7405: "request.course.uri" => '',
7406: "request.course.sec" => '',
7407: "request.role" => 'cm',
7408: "request.role.adv" => $env{'user.adv'},
7409: "request.host" => $ENV{'REMOTE_ADDR'},);
7410:
7411: if ($form->{'localpath'}) {
7412: $initial_env{"browser.localpath"} = $form->{'localpath'};
7413: $initial_env{"browser.localres"} = $form->{'localres'};
7414: }
7415:
7416: if ($public) {
7417: $initial_env{"environment.remote"} = "off";
7418: }
7419: if ($form->{'interface'}) {
7420: $form->{'interface'}=~s/\W//gs;
7421: $initial_env{"browser.interface"} = $form->{'interface'};
7422: $env{'browser.interface'}=$form->{'interface'};
7423: foreach my $option ('imagesuppress','appletsuppress',
7424: 'embedsuppress','fontenhance','blackwhite') {
7425: if (($form->{$option} eq 'true') ||
7426: ($userenv{$option} eq 'on')) {
7427: $initial_env{"browser.$option"} = "on";
7428: }
7429: }
7430: }
7431:
7432: $env{'user.environment'} = "$lonids/$cookie.id";
7433:
7434: if (tie(my %disk_env,'GDBM_File',"$lonids/$cookie.id",
7435: &GDBM_WRCREAT(),0640)) {
7436: &_add_to_env(\%disk_env,\%initial_env);
7437: &_add_to_env(\%disk_env,\%userenv,'environment.');
7438: &_add_to_env(\%disk_env,$userroles);
1.463 albertel 7439: if (ref($args->{'extra_env'})) {
7440: &_add_to_env(\%disk_env,$args->{'extra_env'});
7441: }
1.462 albertel 7442: untie(%disk_env);
7443: } else {
7444: &Apache::lonnet::logthis("<font color=\"blue\">WARNING: ".
7445: 'Could not create environment storage in lonauth: '.$!.'</font>');
7446: return 'error: '.$!;
7447: }
7448: }
7449: $env{'request.role'}='cm';
7450: $env{'request.role.adv'}=$env{'user.adv'};
7451: $env{'browser.type'}=$clientbrowser;
7452:
7453: return $cookie;
7454:
7455: }
7456:
7457: sub _add_to_env {
7458: my ($idf,$env_data,$prefix) = @_;
7459: while (my ($key,$value) = each(%$env_data)) {
7460: $idf->{$prefix.$key} = $value;
7461: $env{$prefix.$key} = $value;
7462: }
7463: }
7464:
7465:
1.41 ng 7466: =pod
7467:
7468: =back
7469:
1.112 bowersj2 7470: =cut
1.41 ng 7471:
1.112 bowersj2 7472: 1;
7473: __END__;
1.41 ng 7474:
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