Annotation of loncom/interface/loncommon.pm, revision 1.652
1.10 albertel 1: # The LearningOnline Network with CAPA
1.1 albertel 2: # a pile of common routines
1.10 albertel 3: #
1.652 ! raeburn 4: # $Id: loncommon.pm,v 1.651 2008/03/28 21:05:28 www 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 $readit;
75:
1.517 raeburn 76:
1.157 matthew 77: ##
78: ## Global Variables
79: ##
1.46 matthew 80:
1.643 foxr 81:
82: # ----------------------------------------------- SSI with retries:
83: #
84:
85: =pod
86:
1.648 raeburn 87: =head1 Server Side include with retries:
1.643 foxr 88:
89: =over 4
90:
1.648 raeburn 91: =item * &ssi_with_retries(resource,retries form)
1.643 foxr 92:
93: Performs an ssi with some number of retries. Retries continue either
94: until the result is ok or until the retry count supplied by the
95: caller is exhausted.
96:
97: Inputs:
1.648 raeburn 98:
99: =over 4
100:
1.643 foxr 101: resource - Identifies the resource to insert.
1.648 raeburn 102:
1.643 foxr 103: retries - Count of the number of retries allowed.
1.648 raeburn 104:
1.643 foxr 105: form - Hash that identifies the rendering options.
106:
1.648 raeburn 107: =back
108:
109: Returns:
110:
111: =over 4
112:
1.643 foxr 113: content - The content of the response. If retries were exhausted this is empty.
1.648 raeburn 114:
1.643 foxr 115: response - The response from the last attempt (which may or may not have been successful.
116:
1.648 raeburn 117: =back
118:
119: =back
120:
1.643 foxr 121: =cut
122:
123: sub ssi_with_retries {
124: my ($resource, $retries, %form) = @_;
125:
126:
127: my $ok = 0; # True if we got a good response.
128: my $content;
129: my $response;
130:
131: # Try to get the ssi done. within the retries count:
132:
133: do {
134: ($content, $response) = &Apache::lonnet::ssi($resource, %form);
135: $ok = $response->is_success;
1.650 www 136: if (!$ok) {
137: &Apache::lonnet::logthis("Failed ssi_with_retries on $resource: ".$response->is_success.', '.$response->code.', '.$response->message);
138: }
1.643 foxr 139: $retries--;
140: } while (!$ok && ($retries > 0));
141:
142: if (!$ok) {
143: $content = ''; # On error return an empty content.
144: }
145: return ($content, $response);
146:
147: }
148:
149:
150:
1.20 www 151: # ----------------------------------------------- Filetypes/Languages/Copyright
1.12 harris41 152: my %language;
1.124 www 153: my %supported_language;
1.12 harris41 154: my %cprtag;
1.192 taceyjo1 155: my %scprtag;
1.351 www 156: my %fe; my %fd; my %fm;
1.41 ng 157: my %category_extensions;
1.12 harris41 158:
1.46 matthew 159: # ---------------------------------------------- Thesaurus variables
1.144 matthew 160: #
161: # %Keywords:
162: # A hash used by &keyword to determine if a word is considered a keyword.
163: # $thesaurus_db_file
164: # Scalar containing the full path to the thesaurus database.
1.46 matthew 165:
166: my %Keywords;
167: my $thesaurus_db_file;
168:
1.144 matthew 169: #
170: # Initialize values from language.tab, copyright.tab, filetypes.tab,
171: # thesaurus.tab, and filecategories.tab.
172: #
1.18 www 173: BEGIN {
1.46 matthew 174: # Variable initialization
175: $thesaurus_db_file = $Apache::lonnet::perlvar{'lonTabDir'}."/thesaurus.db";
176: #
1.22 www 177: unless ($readit) {
1.12 harris41 178: # ------------------------------------------------------------------- languages
179: {
1.158 raeburn 180: my $langtabfile = $Apache::lonnet::perlvar{'lonTabDir'}.
181: '/language.tab';
182: if ( open(my $fh,"<$langtabfile") ) {
1.356 albertel 183: while (my $line = <$fh>) {
184: next if ($line=~/^\#/);
185: chomp($line);
186: my ($key,$two,$country,$three,$enc,$val,$sup)=(split(/\t/,$line));
1.158 raeburn 187: $language{$key}=$val.' - '.$enc;
188: if ($sup) {
189: $supported_language{$key}=$sup;
190: }
191: }
192: close($fh);
193: }
1.12 harris41 194: }
195: # ------------------------------------------------------------------ copyrights
196: {
1.158 raeburn 197: my $copyrightfile = $Apache::lonnet::perlvar{'lonIncludes'}.
198: '/copyright.tab';
199: if ( open (my $fh,"<$copyrightfile") ) {
1.356 albertel 200: while (my $line = <$fh>) {
201: next if ($line=~/^\#/);
202: chomp($line);
203: my ($key,$val)=(split(/\s+/,$line,2));
1.158 raeburn 204: $cprtag{$key}=$val;
205: }
206: close($fh);
207: }
1.12 harris41 208: }
1.351 www 209: # ----------------------------------------------------------- source copyrights
1.192 taceyjo1 210: {
211: my $sourcecopyrightfile = $Apache::lonnet::perlvar{'lonIncludes'}.
212: '/source_copyright.tab';
213: if ( open (my $fh,"<$sourcecopyrightfile") ) {
1.356 albertel 214: while (my $line = <$fh>) {
215: next if ($line =~ /^\#/);
216: chomp($line);
217: my ($key,$val)=(split(/\s+/,$line,2));
1.192 taceyjo1 218: $scprtag{$key}=$val;
219: }
220: close($fh);
221: }
222: }
1.63 www 223:
1.517 raeburn 224: # -------------------------------------------------------------- default domain designs
1.63 www 225: my $designdir=$Apache::lonnet::perlvar{'lonTabDir'}.'/lonDomColors';
1.517 raeburn 226: my $designfile = $designdir.'/default.tab';
227: if ( open (my $fh,"<$designfile") ) {
228: while (my $line = <$fh>) {
229: next if ($line =~ /^\#/);
230: chomp($line);
231: my ($key,$val)=(split(/\=/,$line));
232: if ($val) { $defaultdesign{$key}=$val; }
233: }
234: close($fh);
1.63 www 235: }
236:
1.15 harris41 237: # ------------------------------------------------------------- file categories
238: {
1.158 raeburn 239: my $categoryfile = $Apache::lonnet::perlvar{'lonTabDir'}.
240: '/filecategories.tab';
241: if ( open (my $fh,"<$categoryfile") ) {
1.356 albertel 242: while (my $line = <$fh>) {
243: next if ($line =~ /^\#/);
244: chomp($line);
245: my ($extension,$category)=(split(/\s+/,$line,2));
1.158 raeburn 246: push @{$category_extensions{lc($category)}},$extension;
247: }
248: close($fh);
249: }
250:
1.15 harris41 251: }
1.12 harris41 252: # ------------------------------------------------------------------ file types
253: {
1.158 raeburn 254: my $typesfile = $Apache::lonnet::perlvar{'lonTabDir'}.
255: '/filetypes.tab';
256: if ( open (my $fh,"<$typesfile") ) {
1.356 albertel 257: while (my $line = <$fh>) {
258: next if ($line =~ /^\#/);
259: chomp($line);
260: my ($ending,$emb,$mime,$descr)=split(/\s+/,$line,4);
1.158 raeburn 261: if ($descr ne '') {
262: $fe{$ending}=lc($emb);
263: $fd{$ending}=$descr;
1.351 www 264: if ($mime ne 'unk') { $fm{$ending}=$mime; }
1.158 raeburn 265: }
266: }
267: close($fh);
268: }
1.12 harris41 269: }
1.22 www 270: &Apache::lonnet::logthis(
1.46 matthew 271: "<font color=yellow>INFO: Read file types</font>");
1.22 www 272: $readit=1;
1.46 matthew 273: } # end of unless($readit)
1.32 matthew 274:
275: }
1.112 bowersj2 276:
1.42 matthew 277: ###############################################################
278: ## HTML and Javascript Helper Functions ##
279: ###############################################################
280:
281: =pod
282:
1.112 bowersj2 283: =head1 HTML and Javascript Functions
1.42 matthew 284:
1.112 bowersj2 285: =over 4
286:
1.648 raeburn 287: =item * &browser_and_searcher_javascript()
1.112 bowersj2 288:
289: X<browsing, javascript>X<searching, javascript>Returns a string
290: containing javascript with two functions, C<openbrowser> and
291: C<opensearcher>. Returned string does not contain E<lt>scriptE<gt>
292: tags.
1.42 matthew 293:
1.648 raeburn 294: =item * &openbrowser(formname,elementname,only,omit) [javascript]
1.42 matthew 295:
296: inputs: formname, elementname, only, omit
297:
298: formname and elementname indicate the name of the html form and name of
299: the element that the results of the browsing selection are to be placed in.
300:
301: Specifying 'only' will restrict the browser to displaying only files
1.185 www 302: with the given extension. Can be a comma separated list.
1.42 matthew 303:
304: Specifying 'omit' will restrict the browser to NOT displaying files
1.185 www 305: with the given extension. Can be a comma separated list.
1.42 matthew 306:
1.648 raeburn 307: =item * &opensearcher(formname,elementname) [javascript]
1.42 matthew 308:
309: Inputs: formname, elementname
310:
311: formname and elementname specify the name of the html form and the name
312: of the element the selection from the search results will be placed in.
1.542 raeburn 313:
1.42 matthew 314: =cut
315:
316: sub browser_and_searcher_javascript {
1.199 albertel 317: my ($mode)=@_;
318: if (!defined($mode)) { $mode='edit'; }
1.453 albertel 319: my $resurl=&escape_single(&lastresurl());
1.42 matthew 320: return <<END;
1.219 albertel 321: // <!-- BEGIN LON-CAPA Internal
1.50 matthew 322: var editbrowser = null;
1.135 albertel 323: function openbrowser(formname,elementname,only,omit,titleelement) {
1.170 www 324: var url = '$resurl/?';
1.42 matthew 325: if (editbrowser == null) {
326: url += 'launch=1&';
327: }
328: url += 'catalogmode=interactive&';
1.199 albertel 329: url += 'mode=$mode&';
1.611 albertel 330: url += 'inhibitmenu=yes&';
1.42 matthew 331: url += 'form=' + formname + '&';
332: if (only != null) {
333: url += 'only=' + only + '&';
1.217 albertel 334: } else {
335: url += 'only=&';
336: }
1.42 matthew 337: if (omit != null) {
338: url += 'omit=' + omit + '&';
1.217 albertel 339: } else {
340: url += 'omit=&';
341: }
1.135 albertel 342: if (titleelement != null) {
343: url += 'titleelement=' + titleelement + '&';
1.217 albertel 344: } else {
345: url += 'titleelement=&';
346: }
1.42 matthew 347: url += 'element=' + elementname + '';
348: var title = 'Browser';
1.435 albertel 349: var options = 'scrollbars=1,resizable=1,menubar=0,toolbar=1,location=1';
1.42 matthew 350: options += ',width=700,height=600';
351: editbrowser = open(url,title,options,'1');
352: editbrowser.focus();
353: }
354: var editsearcher;
1.135 albertel 355: function opensearcher(formname,elementname,titleelement) {
1.42 matthew 356: var url = '/adm/searchcat?';
357: if (editsearcher == null) {
358: url += 'launch=1&';
359: }
360: url += 'catalogmode=interactive&';
1.199 albertel 361: url += 'mode=$mode&';
1.42 matthew 362: url += 'form=' + formname + '&';
1.135 albertel 363: if (titleelement != null) {
364: url += 'titleelement=' + titleelement + '&';
1.217 albertel 365: } else {
366: url += 'titleelement=&';
367: }
1.42 matthew 368: url += 'element=' + elementname + '';
369: var title = 'Search';
1.435 albertel 370: var options = 'scrollbars=1,resizable=1,menubar=0,toolbar=1,location=1';
1.42 matthew 371: options += ',width=700,height=600';
372: editsearcher = open(url,title,options,'1');
373: editsearcher.focus();
374: }
1.219 albertel 375: // END LON-CAPA Internal -->
1.42 matthew 376: END
1.170 www 377: }
378:
379: sub lastresurl {
1.258 albertel 380: if ($env{'environment.lastresurl'}) {
381: return $env{'environment.lastresurl'}
1.170 www 382: } else {
383: return '/res';
384: }
385: }
386:
387: sub storeresurl {
388: my $resurl=&Apache::lonnet::clutter(shift);
389: unless ($resurl=~/^\/res/) { return 0; }
390: $resurl=~s/\/$//;
391: &Apache::lonnet::put('environment',{'lastresurl' => $resurl});
1.646 raeburn 392: &Apache::lonnet::appenv({'environment.lastresurl' => $resurl});
1.170 www 393: return 1;
1.42 matthew 394: }
395:
1.74 www 396: sub studentbrowser_javascript {
1.111 www 397: unless (
1.258 albertel 398: (($env{'request.course.id'}) &&
1.302 albertel 399: (&Apache::lonnet::allowed('srm',$env{'request.course.id'})
400: || &Apache::lonnet::allowed('srm',$env{'request.course.id'}.
401: '/'.$env{'request.course.sec'})
402: ))
1.258 albertel 403: || ($env{'request.role'}=~/^(au|dc|su)/)
1.111 www 404: ) { return ''; }
1.74 www 405: return (<<'ENDSTDBRW');
406: <script type="text/javascript" language="Javascript" >
407: var stdeditbrowser;
1.558 albertel 408: function openstdbrowser(formname,uname,udom,roleflag,ignorefilter) {
1.74 www 409: var url = '/adm/pickstudent?';
410: var filter;
1.558 albertel 411: if (!ignorefilter) {
412: eval('filter=document.'+formname+'.'+uname+'.value;');
413: }
1.74 www 414: if (filter != null) {
415: if (filter != '') {
416: url += 'filter='+filter+'&';
417: }
418: }
419: url += 'form=' + formname + '&unameelement='+uname+
420: '&udomelement='+udom;
1.111 www 421: if (roleflag) { url+="&roles=1"; }
1.102 www 422: var title = 'Student_Browser';
1.74 www 423: var options = 'scrollbars=1,resizable=1,menubar=0';
424: options += ',width=700,height=600';
425: stdeditbrowser = open(url,title,options,'1');
426: stdeditbrowser.focus();
427: }
428: </script>
429: ENDSTDBRW
430: }
1.42 matthew 431:
1.74 www 432: sub selectstudent_link {
1.111 www 433: my ($form,$unameele,$udomele)=@_;
1.258 albertel 434: if ($env{'request.course.id'}) {
1.302 albertel 435: if (!&Apache::lonnet::allowed('srm',$env{'request.course.id'})
436: && !&Apache::lonnet::allowed('srm',$env{'request.course.id'}.
437: '/'.$env{'request.course.sec'})) {
1.111 www 438: return '';
439: }
440: return "<a href='".'javascript:openstdbrowser("'.$form.'","'.$unameele.
1.607 albertel 441: '","'.$udomele.'");'."'>".&mt('Select User')."</a>";
1.74 www 442: }
1.258 albertel 443: if ($env{'request.role'}=~/^(au|dc|su)/) {
1.111 www 444: return "<a href='".'javascript:openstdbrowser("'.$form.'","'.$unameele.
1.119 www 445: '","'.$udomele.'",1);'."'>".&mt('Select User')."</a>";
1.111 www 446: }
447: return '';
1.91 www 448: }
449:
450: sub coursebrowser_javascript {
1.468 raeburn 451: my ($domainfilter,$sec_element,$formname)=@_;
1.377 raeburn 452: 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 453: my $output = '
1.538 albertel 454: <script type="text/javascript">
1.468 raeburn 455: var stdeditbrowser;'."\n";
456: $output .= <<"ENDSTDBRW";
1.377 raeburn 457: function opencrsbrowser(formname,uname,udom,desc,extra_element,multflag,crstype) {
1.91 www 458: var url = '/adm/pickcourse?';
1.468 raeburn 459: var domainfilter = '';
460: var formid = getFormIdByName(formname);
461: if (formid > -1) {
462: var domid = getIndexByName(formid,udom);
463: if (domid > -1) {
464: if (document.forms[formid].elements[domid].type == 'select-one') {
465: domainfilter=document.forms[formid].elements[domid].options[document.forms[formid].elements[domid].selectedIndex].value;
466: }
467: if (document.forms[formid].elements[domid].type == 'hidden') {
468: domainfilter=document.forms[formid].elements[domid].value;
469: }
470: }
1.91 www 471: }
1.128 albertel 472: if (domainfilter != null) {
473: if (domainfilter != '') {
474: url += 'domainfilter='+domainfilter+'&';
475: }
476: }
1.91 www 477: url += 'form=' + formname + '&cnumelement='+uname+
1.187 albertel 478: '&cdomelement='+udom+
479: '&cnameelement='+desc;
1.468 raeburn 480: if (extra_element !=null && extra_element != '') {
1.594 raeburn 481: if (formname == 'rolechoice' || formname == 'studentform') {
1.468 raeburn 482: url += '&roleelement='+extra_element;
483: if (domainfilter == null || domainfilter == '') {
484: url += '&domainfilter='+extra_element;
485: }
1.234 raeburn 486: }
1.468 raeburn 487: else {
488: if (formname == 'portform') {
489: url += '&setroles='+extra_element;
490: }
491: }
1.230 raeburn 492: }
1.293 raeburn 493: if (multflag !=null && multflag != '') {
494: url += '&multiple='+multflag;
495: }
1.377 raeburn 496: if (crstype == 'Course/Group') {
497: if (formname == 'cu') {
498: crstype = document.cu.crstype.options[document.cu.crstype.selectedIndex].value;
499: if (crstype == "") {
500: alert("$crs_or_grp_alert");
501: return;
502: }
503: }
504: }
505: if (crstype !=null && crstype != '') {
506: url += '&type='+crstype;
507: }
1.102 www 508: var title = 'Course_Browser';
1.91 www 509: var options = 'scrollbars=1,resizable=1,menubar=0';
510: options += ',width=700,height=600';
511: stdeditbrowser = open(url,title,options,'1');
512: stdeditbrowser.focus();
513: }
1.468 raeburn 514:
515: function getFormIdByName(formname) {
516: for (var i=0;i<document.forms.length;i++) {
517: if (document.forms[i].name == formname) {
518: return i;
519: }
520: }
521: return -1;
522: }
523:
524: function getIndexByName(formid,item) {
525: for (var i=0;i<document.forms[formid].elements.length;i++) {
526: if (document.forms[formid].elements[i].name == item) {
527: return i;
528: }
529: }
530: return -1;
531: }
1.91 www 532: ENDSTDBRW
1.468 raeburn 533: if ($sec_element ne '') {
534: $output .= &setsec_javascript($sec_element,$formname);
535: }
536: $output .= '
537: </script>';
538: return $output;
539: }
540:
541: sub setsec_javascript {
542: my ($sec_element,$formname) = @_;
543: my $setsections = qq|
544: function setSect(sectionlist) {
1.629 raeburn 545: var sectionsArray = new Array();
546: if ((sectionlist != '') && (typeof sectionlist != "undefined")) {
547: sectionsArray = sectionlist.split(",");
548: }
1.468 raeburn 549: var numSections = sectionsArray.length;
550: document.$formname.$sec_element.length = 0;
551: if (numSections == 0) {
552: document.$formname.$sec_element.multiple=false;
553: document.$formname.$sec_element.size=1;
554: document.$formname.$sec_element.options[0] = new Option('No existing sections','',false,false)
555: } else {
556: if (numSections == 1) {
557: document.$formname.$sec_element.multiple=false;
558: document.$formname.$sec_element.size=1;
559: document.$formname.$sec_element.options[0] = new Option('Select','',true,true);
560: document.$formname.$sec_element.options[1] = new Option('No section','',false,false)
561: document.$formname.$sec_element.options[2] = new Option(sectionsArray[0],sectionsArray[0],false,false);
562: } else {
563: for (var i=0; i<numSections; i++) {
564: document.$formname.$sec_element.options[i] = new Option(sectionsArray[i],sectionsArray[i],false,false)
565: }
566: document.$formname.$sec_element.multiple=true
567: if (numSections < 3) {
568: document.$formname.$sec_element.size=numSections;
569: } else {
570: document.$formname.$sec_element.size=3;
571: }
572: document.$formname.$sec_element.options[0].selected = false
573: }
574: }
1.91 www 575: }
1.468 raeburn 576: |;
577: return $setsections;
578: }
579:
1.91 www 580:
581: sub selectcourse_link {
1.377 raeburn 582: my ($form,$unameele,$udomele,$desc,$extra_element,$multflag,$selecttype)=@_;
1.492 albertel 583: return "<a href='".'javascript:opencrsbrowser("'.$form.'","'.$unameele.
584: '","'.$udomele.'","'.$desc.'","'.$extra_element.'","'.$multflag.'","'.$selecttype.'");'."'>".&mt('Select Course')."</a>";
1.74 www 585: }
1.42 matthew 586:
1.273 raeburn 587: sub check_uncheck_jscript {
588: my $jscript = <<"ENDSCRT";
589: function checkAll(field) {
590: if (field.length > 0) {
591: for (i = 0; i < field.length; i++) {
592: field[i].checked = true ;
593: }
594: } else {
595: field.checked = true
596: }
597: }
598:
599: function uncheckAll(field) {
600: if (field.length > 0) {
601: for (i = 0; i < field.length; i++) {
602: field[i].checked = false ;
1.543 albertel 603: }
604: } else {
1.273 raeburn 605: field.checked = false ;
606: }
607: }
608: ENDSCRT
609: return $jscript;
610: }
611:
612:
1.42 matthew 613: =pod
1.36 matthew 614:
1.648 raeburn 615: =item * &linked_select_forms(...)
1.36 matthew 616:
617: linked_select_forms returns a string containing a <script></script> block
618: and html for two <select> menus. The select menus will be linked in that
619: changing the value of the first menu will result in new values being placed
620: in the second menu. The values in the select menu will appear in alphabetical
1.609 raeburn 621: order unless a defined order is provided.
1.36 matthew 622:
623: linked_select_forms takes the following ordered inputs:
624:
625: =over 4
626:
1.112 bowersj2 627: =item * $formname, the name of the <form> tag
1.36 matthew 628:
1.112 bowersj2 629: =item * $middletext, the text which appears between the <select> tags
1.36 matthew 630:
1.112 bowersj2 631: =item * $firstdefault, the default value for the first menu
1.36 matthew 632:
1.112 bowersj2 633: =item * $firstselectname, the name of the first <select> tag
1.36 matthew 634:
1.112 bowersj2 635: =item * $secondselectname, the name of the second <select> tag
1.36 matthew 636:
1.112 bowersj2 637: =item * $hashref, a reference to a hash containing the data for the menus.
1.36 matthew 638:
1.609 raeburn 639: =item * $menuorder, the order of values in the first menu
640:
1.41 ng 641: =back
642:
1.36 matthew 643: Below is an example of such a hash. Only the 'text', 'default', and
644: 'select2' keys must appear as stated. keys(%menu) are the possible
645: values for the first select menu. The text that coincides with the
1.41 ng 646: first menu value is given in $menu{$choice1}->{'text'}. The values
1.36 matthew 647: and text for the second menu are given in the hash pointed to by
648: $menu{$choice1}->{'select2'}.
649:
1.112 bowersj2 650: my %menu = ( A1 => { text =>"Choice A1" ,
651: default => "B3",
652: select2 => {
653: B1 => "Choice B1",
654: B2 => "Choice B2",
655: B3 => "Choice B3",
656: B4 => "Choice B4"
1.609 raeburn 657: },
658: order => ['B4','B3','B1','B2'],
1.112 bowersj2 659: },
660: A2 => { text =>"Choice A2" ,
661: default => "C2",
662: select2 => {
663: C1 => "Choice C1",
664: C2 => "Choice C2",
665: C3 => "Choice C3"
1.609 raeburn 666: },
667: order => ['C2','C1','C3'],
1.112 bowersj2 668: },
669: A3 => { text =>"Choice A3" ,
670: default => "D6",
671: select2 => {
672: D1 => "Choice D1",
673: D2 => "Choice D2",
674: D3 => "Choice D3",
675: D4 => "Choice D4",
676: D5 => "Choice D5",
677: D6 => "Choice D6",
678: D7 => "Choice D7"
1.609 raeburn 679: },
680: order => ['D4','D3','D2','D1','D7','D6','D5'],
1.112 bowersj2 681: }
682: );
1.36 matthew 683:
684: =cut
685:
686: sub linked_select_forms {
687: my ($formname,
688: $middletext,
689: $firstdefault,
690: $firstselectname,
691: $secondselectname,
1.609 raeburn 692: $hashref,
693: $menuorder,
1.36 matthew 694: ) = @_;
695: my $second = "document.$formname.$secondselectname";
696: my $first = "document.$formname.$firstselectname";
697: # output the javascript to do the changing
698: my $result = '';
1.219 albertel 699: $result.="<script type=\"text/javascript\">\n";
1.36 matthew 700: $result.="var select2data = new Object();\n";
701: $" = '","';
702: my $debug = '';
703: foreach my $s1 (sort(keys(%$hashref))) {
704: $result.="select2data.d_$s1 = new Object();\n";
705: $result.="select2data.d_$s1.def = new String('".
706: $hashref->{$s1}->{'default'}."');\n";
1.609 raeburn 707: $result.="select2data.d_$s1.values = new Array(";
1.36 matthew 708: my @s2values = sort(keys( %{ $hashref->{$s1}->{'select2'} } ));
1.609 raeburn 709: if (ref($hashref->{$s1}->{'order'}) eq 'ARRAY') {
710: @s2values = @{$hashref->{$s1}->{'order'}};
711: }
1.36 matthew 712: $result.="\"@s2values\");\n";
713: $result.="select2data.d_$s1.texts = new Array(";
714: my @s2texts;
715: foreach my $value (@s2values) {
716: push @s2texts, $hashref->{$s1}->{'select2'}->{$value};
717: }
718: $result.="\"@s2texts\");\n";
719: }
720: $"=' ';
721: $result.= <<"END";
722:
723: function select1_changed() {
724: // Determine new choice
725: var newvalue = "d_" + $first.value;
726: // update select2
727: var values = select2data[newvalue].values;
728: var texts = select2data[newvalue].texts;
729: var select2def = select2data[newvalue].def;
730: var i;
731: // out with the old
732: for (i = 0; i < $second.options.length; i++) {
733: $second.options[i] = null;
734: }
735: // in with the nuclear
736: for (i=0;i<values.length; i++) {
737: $second.options[i] = new Option(values[i]);
1.143 matthew 738: $second.options[i].value = values[i];
1.36 matthew 739: $second.options[i].text = texts[i];
740: if (values[i] == select2def) {
741: $second.options[i].selected = true;
742: }
743: }
744: }
745: </script>
746: END
747: # output the initial values for the selection lists
748: $result .= "<select size=\"1\" name=\"$firstselectname\" onchange=\"select1_changed()\">\n";
1.609 raeburn 749: my @order = sort(keys(%{$hashref}));
750: if (ref($menuorder) eq 'ARRAY') {
751: @order = @{$menuorder};
752: }
753: foreach my $value (@order) {
1.36 matthew 754: $result.=" <option value=\"$value\" ";
1.253 albertel 755: $result.=" selected=\"selected\" " if ($value eq $firstdefault);
1.119 www 756: $result.=">".&mt($hashref->{$value}->{'text'})."</option>\n";
1.36 matthew 757: }
758: $result .= "</select>\n";
759: my %select2 = %{$hashref->{$firstdefault}->{'select2'}};
760: $result .= $middletext;
761: $result .= "<select size=\"1\" name=\"$secondselectname\">\n";
762: my $seconddefault = $hashref->{$firstdefault}->{'default'};
1.609 raeburn 763:
764: my @secondorder = sort(keys(%select2));
765: if (ref($hashref->{$firstdefault}->{'order'}) eq 'ARRAY') {
766: @secondorder = @{$hashref->{$firstdefault}->{'order'}};
767: }
768: foreach my $value (@secondorder) {
1.36 matthew 769: $result.=" <option value=\"$value\" ";
1.253 albertel 770: $result.=" selected=\"selected\" " if ($value eq $seconddefault);
1.119 www 771: $result.=">".&mt($select2{$value})."</option>\n";
1.36 matthew 772: }
773: $result .= "</select>\n";
774: # return $debug;
775: return $result;
776: } # end of sub linked_select_forms {
777:
1.45 matthew 778: =pod
1.44 bowersj2 779:
1.648 raeburn 780: =item * &help_open_topic($topic,$text,$stayOnPage,$width,$height)
1.44 bowersj2 781:
1.112 bowersj2 782: Returns a string corresponding to an HTML link to the given help
783: $topic, where $topic corresponds to the name of a .tex file in
784: /home/httpd/html/adm/help/tex, with underscores replaced by
785: spaces.
786:
787: $text will optionally be linked to the same topic, allowing you to
788: link text in addition to the graphic. If you do not want to link
789: text, but wish to specify one of the later parameters, pass an
790: empty string.
791:
792: $stayOnPage is a value that will be interpreted as a boolean. If true,
793: the link will not open a new window. If false, the link will open
794: a new window using Javascript. (Default is false.)
795:
796: $width and $height are optional numerical parameters that will
797: override the width and height of the popped up window, which may
798: be useful for certain help topics with big pictures included.
1.44 bowersj2 799:
800: =cut
801:
802: sub help_open_topic {
1.48 bowersj2 803: my ($topic, $text, $stayOnPage, $width, $height) = @_;
804: $text = "" if (not defined $text);
1.44 bowersj2 805: $stayOnPage = 0 if (not defined $stayOnPage);
1.552 banghart 806: if ($env{'browser.interface'} eq 'textual') {
1.79 www 807: $stayOnPage=1;
808: }
1.44 bowersj2 809: $width = 350 if (not defined $width);
810: $height = 400 if (not defined $height);
811: my $filename = $topic;
812: $filename =~ s/ /_/g;
813:
1.48 bowersj2 814: my $template = "";
815: my $link;
1.572 banghart 816:
1.159 www 817: $topic=~s/\W/\_/g;
1.44 bowersj2 818:
1.572 banghart 819: if (!$stayOnPage) {
1.72 bowersj2 820: $link = "javascript:void(open('/adm/help/${filename}.hlp', 'Help_for_$topic', 'menubar=0,toolbar=1,scrollbars=1,width=$width,height=$height,resizable=yes'))";
1.572 banghart 821: } else {
1.48 bowersj2 822: $link = "/adm/help/${filename}.hlp";
823: }
824:
825: # Add the text
1.572 banghart 826: if ($text ne "") {
1.77 www 827: $template .=
1.572 banghart 828: "<table bgcolor='#3333AA' cellspacing='1' cellpadding='1' border='0'><tr>".
829: "<td bgcolor='#5555FF'><a target=\"_top\" href=\"$link\"><font color='#FFFFFF' size='2'>$text</font></a>";
1.48 bowersj2 830: }
831:
832: # Add the graphic
1.179 matthew 833: my $title = &mt('Online Help');
1.649 www 834: my $helpicon=&lonhttpdurl("/res/adm/pages/help.png");
1.48 bowersj2 835: $template .= <<"ENDTEMPLATE";
1.436 albertel 836: <a target="_top" href="$link" title="$title"><img src="$helpicon" border="0" alt="(Help: $topic)" /></a>
1.44 bowersj2 837: ENDTEMPLATE
1.78 www 838: if ($text ne '') { $template.='</td></tr></table>' };
1.44 bowersj2 839: return $template;
840:
1.106 bowersj2 841: }
842:
843: # This is a quicky function for Latex cheatsheet editing, since it
844: # appears in at least four places
845: sub helpLatexCheatsheet {
846: my $other = shift;
847: my $addOther = '';
848: if ($other) {
849: $addOther = Apache::loncommon::help_open_topic($other, shift,
850: undef, undef, 600) .
851: '</td><td>';
852: }
853: return '<table><tr><td>'.
854: $addOther .
1.636 raeburn 855: &Apache::loncommon::help_open_topic("Greek_Symbols",&mt('Greek Symbols'),
1.106 bowersj2 856: undef,undef,600)
857: .'</td><td>'.
1.636 raeburn 858: &Apache::loncommon::help_open_topic("Other_Symbols",&mt('Other Symbols'),
1.106 bowersj2 859: undef,undef,600)
860: .'</td></tr></table>';
1.172 www 861: }
862:
1.430 albertel 863: sub general_help {
864: my $helptopic='Student_Intro';
865: if ($env{'request.role'}=~/^(ca|au)/) {
866: $helptopic='Authoring_Intro';
867: } elsif ($env{'request.role'}=~/^cc/) {
868: $helptopic='Course_Coordination_Intro';
869: }
870: return $helptopic;
871: }
872:
873: sub update_help_link {
874: my ($topic,$component_help,$faq,$bug,$stayOnPage) = @_;
875: my $origurl = $ENV{'REQUEST_URI'};
876: $origurl=~s|^/~|/priv/|;
877: my $timestamp = time;
878: foreach my $datum (\$topic,\$component_help,\$faq,\$bug,\$origurl) {
879: $$datum = &escape($$datum);
880: }
881:
882: my $banner_link = "/adm/helpmenu?page=banner&topic=$topic&component_help=$component_help&faq=$faq&bug=$bug&origurl=$origurl&stamp=$timestamp&stayonpage=$stayOnPage";
883: my $output .= <<"ENDOUTPUT";
884: <script type="text/javascript">
885: banner_link = '$banner_link';
886: </script>
887: ENDOUTPUT
888: return $output;
889: }
890:
891: # now just updates the help link and generates a blue icon
1.193 raeburn 892: sub help_open_menu {
1.430 albertel 893: my ($topic,$component_help,$faq,$bug,$stayOnPage,$width,$height,$text)
1.552 banghart 894: = @_;
1.430 albertel 895: $stayOnPage = 0 if (not defined $stayOnPage);
1.572 banghart 896: # only use pop-up help (stayOnPage == 0)
1.552 banghart 897: # if environment.remote is on (using remote control UI)
1.572 banghart 898: if ($env{'browser.interface'} eq 'textual' ||
899: $env{'environment.remote'} eq 'off' ) {
1.552 banghart 900: $stayOnPage=1;
1.430 albertel 901: }
902: my $output;
903: if ($component_help) {
904: if (!$text) {
905: $output=&help_open_topic($component_help,undef,$stayOnPage,
906: $width,$height);
907: } else {
908: my $help_text;
909: $help_text=&unescape($topic);
910: $output='<table><tr><td>'.
911: &help_open_topic($component_help,$help_text,$stayOnPage,
912: $width,$height).'</td></tr></table>';
913: }
914: }
915: my $banner_link = &update_help_link($topic,$component_help,$faq,$bug,$stayOnPage);
916: return $output.$banner_link;
917: }
918:
919: sub top_nav_help {
920: my ($text) = @_;
1.436 albertel 921: $text = &mt($text);
1.572 banghart 922: my $stay_on_page =
1.436 albertel 923: ($env{'browser.interface'} eq 'textual' ||
924: $env{'environment.remote'} eq 'off' );
1.572 banghart 925: my $link = ($stay_on_page) ? "javascript:helpMenu('display')"
1.436 albertel 926: : "javascript:helpMenu('open')";
1.572 banghart 927: my $banner_link = &update_help_link(undef,undef,undef,undef,$stay_on_page);
1.436 albertel 928:
1.201 raeburn 929: my $title = &mt('Get help');
1.436 albertel 930:
931: return <<"END";
932: $banner_link
933: <a href="$link" title="$title">$text</a>
934: END
935: }
936:
937: sub help_menu_js {
938: my ($text) = @_;
939:
940: my $stayOnPage =
941: ($env{'browser.interface'} eq 'textual' ||
942: $env{'environment.remote'} eq 'off' );
943:
944: my $width = 620;
945: my $height = 600;
1.430 albertel 946: my $helptopic=&general_help();
947: my $details_link = '/adm/help/'.$helptopic.'.hlp';
1.261 albertel 948: my $nothing=&Apache::lonhtmlcommon::javascript_nothing();
1.331 albertel 949: my $start_page =
950: &Apache::loncommon::start_page('Help Menu', undef,
951: {'frameset' => 1,
952: 'js_ready' => 1,
953: 'add_entries' => {
954: 'border' => '0',
1.579 raeburn 955: 'rows' => "110,*",},});
1.331 albertel 956: my $end_page =
957: &Apache::loncommon::end_page({'frameset' => 1,
958: 'js_ready' => 1,});
959:
1.436 albertel 960: my $template .= <<"ENDTEMPLATE";
961: <script type="text/javascript">
1.253 albertel 962: // <!-- BEGIN LON-CAPA Internal
963: // <![CDATA[
1.430 albertel 964: var banner_link = '';
1.243 raeburn 965: function helpMenu(target) {
966: var caller = this;
967: if (target == 'open') {
968: var newWindow = null;
969: try {
1.262 albertel 970: newWindow = window.open($nothing,"helpmenu","HEIGHT=$height,WIDTH=$width,resizable=yes,scrollbars=yes" )
1.243 raeburn 971: }
972: catch(error) {
973: writeHelp(caller);
974: return;
975: }
976: if (newWindow) {
977: caller = newWindow;
978: }
1.193 raeburn 979: }
1.243 raeburn 980: writeHelp(caller);
981: return;
982: }
983: function writeHelp(caller) {
1.430 albertel 984: caller.document.writeln('$start_page<frame name="bannerframe" src="'+banner_link+'" /><frame name="bodyframe" src="$details_link" /> $end_page')
1.243 raeburn 985: caller.document.close()
986: caller.focus()
1.193 raeburn 987: }
1.253 albertel 988: // ]]>
1.219 albertel 989: // END LON-CAPA Internal -->
1.436 albertel 990: </script>
1.193 raeburn 991: ENDTEMPLATE
992: return $template;
993: }
994:
1.172 www 995: sub help_open_bug {
996: my ($topic, $text, $stayOnPage, $width, $height) = @_;
1.258 albertel 997: unless ($env{'user.adv'}) { return ''; }
1.172 www 998: unless ($Apache::lonnet::perlvar{'BugzillaHost'}) { return ''; }
999: $text = "" if (not defined $text);
1000: $stayOnPage = 0 if (not defined $stayOnPage);
1.258 albertel 1001: if ($env{'browser.interface'} eq 'textual' ||
1002: $env{'environment.remote'} eq 'off' ) {
1.172 www 1003: $stayOnPage=1;
1004: }
1.184 albertel 1005: $width = 600 if (not defined $width);
1006: $height = 600 if (not defined $height);
1.172 www 1007:
1008: $topic=~s/\W+/\+/g;
1009: my $link='';
1010: my $template='';
1.379 albertel 1011: my $url=$Apache::lonnet::perlvar{'BugzillaHost'}.'enter_bug.cgi?product=LON-CAPA&bug_file_loc='.
1012: &escape($ENV{'REQUEST_URI'}).'&component='.$topic;
1.172 www 1013: if (!$stayOnPage)
1014: {
1015: $link = "javascript:void(open('$url', 'Bugzilla', 'menubar=0,toolbar=1,scrollbars=1,width=$width,height=$height,resizable=yes'))";
1016: }
1017: else
1018: {
1019: $link = $url;
1020: }
1021: # Add the text
1022: if ($text ne "")
1023: {
1024: $template .=
1025: "<table bgcolor='#AA3333' cellspacing='1' cellpadding='1' border='0'><tr>".
1.436 albertel 1026: "<td bgcolor='#FF5555'><a target=\"_top\" href=\"$link\"><font color='#FFFFFF' size='2'>$text</font></a>";
1.172 www 1027: }
1028:
1029: # Add the graphic
1.179 matthew 1030: my $title = &mt('Report a Bug');
1.215 albertel 1031: my $bugicon=&lonhttpdurl("/adm/lonMisc/smallBug.gif");
1.172 www 1032: $template .= <<"ENDTEMPLATE";
1.436 albertel 1033: <a target="_top" href="$link" title="$title"><img src="$bugicon" border="0" alt="(Bug: $topic)" /></a>
1.172 www 1034: ENDTEMPLATE
1035: if ($text ne '') { $template.='</td></tr></table>' };
1036: return $template;
1037:
1038: }
1039:
1040: sub help_open_faq {
1041: my ($topic, $text, $stayOnPage, $width, $height) = @_;
1.258 albertel 1042: unless ($env{'user.adv'}) { return ''; }
1.172 www 1043: unless ($Apache::lonnet::perlvar{'FAQHost'}) { return ''; }
1044: $text = "" if (not defined $text);
1045: $stayOnPage = 0 if (not defined $stayOnPage);
1.258 albertel 1046: if ($env{'browser.interface'} eq 'textual' ||
1047: $env{'environment.remote'} eq 'off' ) {
1.172 www 1048: $stayOnPage=1;
1049: }
1050: $width = 350 if (not defined $width);
1051: $height = 400 if (not defined $height);
1052:
1053: $topic=~s/\W+/\+/g;
1054: my $link='';
1055: my $template='';
1056: my $url=$Apache::lonnet::perlvar{'FAQHost'}.'/fom/cache/'.$topic.'.html';
1057: if (!$stayOnPage)
1058: {
1059: $link = "javascript:void(open('$url', 'FAQ-O-Matic', 'menubar=0,toolbar=1,scrollbars=1,width=$width,height=$height,resizable=yes'))";
1060: }
1061: else
1062: {
1063: $link = $url;
1064: }
1065:
1066: # Add the text
1067: if ($text ne "")
1068: {
1069: $template .=
1.173 www 1070: "<table bgcolor='#337733' cellspacing='1' cellpadding='1' border='0'><tr>".
1.436 albertel 1071: "<td bgcolor='#448844'><a target=\"_top\" href=\"$link\"><font color='#FFFFFF' size='2'>$text</font></a>";
1.172 www 1072: }
1073:
1074: # Add the graphic
1.179 matthew 1075: my $title = &mt('View the FAQ');
1.215 albertel 1076: my $faqicon=&lonhttpdurl("/adm/lonMisc/smallFAQ.gif");
1.172 www 1077: $template .= <<"ENDTEMPLATE";
1.436 albertel 1078: <a target="_top" href="$link" title="$title"><img src="$faqicon" border="0" alt="(FAQ: $topic)" /></a>
1.172 www 1079: ENDTEMPLATE
1080: if ($text ne '') { $template.='</td></tr></table>' };
1081: return $template;
1082:
1.44 bowersj2 1083: }
1.37 matthew 1084:
1.180 matthew 1085: ###############################################################
1086: ###############################################################
1087:
1.45 matthew 1088: =pod
1089:
1.648 raeburn 1090: =item * &change_content_javascript():
1.256 matthew 1091:
1092: This and the next function allow you to create small sections of an
1093: otherwise static HTML page that you can update on the fly with
1094: Javascript, even in Netscape 4.
1095:
1096: The Javascript fragment returned by this function (no E<lt>scriptE<gt> tag)
1097: must be written to the HTML page once. It will prove the Javascript
1098: function "change(name, content)". Calling the change function with the
1099: name of the section
1100: you want to update, matching the name passed to C<changable_area>, and
1101: the new content you want to put in there, will put the content into
1102: that area.
1103:
1104: B<Note>: Netscape 4 only reserves enough space for the changable area
1105: to contain room for the original contents. You need to "make space"
1106: for whatever changes you wish to make, and be B<sure> to check your
1107: code in Netscape 4. This feature in Netscape 4 is B<not> powerful;
1108: it's adequate for updating a one-line status display, but little more.
1109: This script will set the space to 100% width, so you only need to
1110: worry about height in Netscape 4.
1111:
1112: Modern browsers are much less limiting, and if you can commit to the
1113: user not using Netscape 4, this feature may be used freely with
1114: pretty much any HTML.
1115:
1116: =cut
1117:
1118: sub change_content_javascript {
1119: # If we're on Netscape 4, we need to use Layer-based code
1.258 albertel 1120: if ($env{'browser.type'} eq 'netscape' &&
1121: $env{'browser.version'} =~ /^4\./) {
1.256 matthew 1122: return (<<NETSCAPE4);
1123: function change(name, content) {
1124: doc = document.layers[name+"___escape"].layers[0].document;
1125: doc.open();
1126: doc.write(content);
1127: doc.close();
1128: }
1129: NETSCAPE4
1130: } else {
1131: # Otherwise, we need to use semi-standards-compliant code
1132: # (technically, "innerHTML" isn't standard but the equivalent
1133: # is really scary, and every useful browser supports it
1134: return (<<DOMBASED);
1135: function change(name, content) {
1136: element = document.getElementById(name);
1137: element.innerHTML = content;
1138: }
1139: DOMBASED
1140: }
1141: }
1142:
1143: =pod
1144:
1.648 raeburn 1145: =item * &changable_area($name,$origContent):
1.256 matthew 1146:
1147: This provides a "changable area" that can be modified on the fly via
1148: the Javascript code provided in C<change_content_javascript>. $name is
1149: the name you will use to reference the area later; do not repeat the
1150: same name on a given HTML page more then once. $origContent is what
1151: the area will originally contain, which can be left blank.
1152:
1153: =cut
1154:
1155: sub changable_area {
1156: my ($name, $origContent) = @_;
1157:
1.258 albertel 1158: if ($env{'browser.type'} eq 'netscape' &&
1159: $env{'browser.version'} =~ /^4\./) {
1.256 matthew 1160: # If this is netscape 4, we need to use the Layer tag
1161: return "<ilayer width='100%' id='${name}___escape' overflow='none'><layer width='100%' id='$name' overflow='none'>$origContent</layer></ilayer>";
1162: } else {
1163: return "<span id='$name'>$origContent</span>";
1164: }
1165: }
1166:
1167: =pod
1168:
1.648 raeburn 1169: =item * &viewport_geometry_js
1.590 raeburn 1170:
1171: Provides javascript object (Geometry) which can provide information about the viewport geometry for the client browser.
1172:
1173: =cut
1174:
1175:
1176: sub viewport_geometry_js {
1177: return <<"GEOMETRY";
1178: var Geometry = {};
1179: function init_geometry() {
1180: if (Geometry.init) { return };
1181: Geometry.init=1;
1182: if (window.innerHeight) {
1183: Geometry.getViewportHeight = function() { return window.innerHeight; };
1184: Geometry.getViewportWidth = function() { return window.innerWidth; };
1185: Geometry.getHorizontalScroll = function() { return window.pageXOffset; };
1186: Geometry.getVerticalScroll = function() { return window.pageYOffset; };
1187: }
1188: else if (document.documentElement && document.documentElement.clientHeight) {
1189: Geometry.getViewportHeight =
1190: function() { return document.documentElement.clientHeight; };
1191: Geometry.getViewportWidth =
1192: function() { return document.documentElement.clientWidth; };
1193:
1194: Geometry.getHorizontalScroll =
1195: function() { return document.documentElement.scrollLeft; };
1196: Geometry.getVerticalScroll =
1197: function() { return document.documentElement.scrollTop; };
1198: }
1199: else if (document.body.clientHeight) {
1200: Geometry.getViewportHeight =
1201: function() { return document.body.clientHeight; };
1202: Geometry.getViewportWidth =
1203: function() { return document.body.clientWidth; };
1204: Geometry.getHorizontalScroll =
1205: function() { return document.body.scrollLeft; };
1206: Geometry.getVerticalScroll =
1207: function() { return document.body.scrollTop; };
1208: }
1209: }
1210:
1211: GEOMETRY
1212: }
1213:
1214: =pod
1215:
1.648 raeburn 1216: =item * &viewport_size_js()
1.590 raeburn 1217:
1218: Provides a javascript function to set values of two form elements - width and height (elements are passed in as arguments to the javascript function) to the dimensions of the user's browser window.
1219:
1220: =cut
1221:
1222: sub viewport_size_js {
1223: my $geometry = &viewport_geometry_js();
1224: return <<"DIMS";
1225:
1226: $geometry
1227:
1228: function getViewportDims(width,height) {
1229: init_geometry();
1230: width.value = Geometry.getViewportWidth();
1231: height.value = Geometry.getViewportHeight();
1232: return;
1233: }
1234:
1235: DIMS
1236: }
1237:
1238: =pod
1239:
1.648 raeburn 1240: =item * &resize_textarea_js()
1.565 albertel 1241:
1242: emits the needed javascript to resize a textarea to be as big as possible
1243:
1244: creates a function resize_textrea that takes two IDs first should be
1245: the id of the element to resize, second should be the id of a div that
1246: surrounds everything that comes after the textarea, this routine needs
1247: to be attached to the <body> for the onload and onresize events.
1248:
1.648 raeburn 1249: =back
1.565 albertel 1250:
1251: =cut
1252:
1253: sub resize_textarea_js {
1.590 raeburn 1254: my $geometry = &viewport_geometry_js();
1.565 albertel 1255: return <<"RESIZE";
1256: <script type="text/javascript">
1.590 raeburn 1257: $geometry
1.565 albertel 1258:
1.588 albertel 1259: function getX(element) {
1260: var x = 0;
1261: while (element) {
1262: x += element.offsetLeft;
1263: element = element.offsetParent;
1264: }
1265: return x;
1266: }
1267: function getY(element) {
1268: var y = 0;
1269: while (element) {
1270: y += element.offsetTop;
1271: element = element.offsetParent;
1272: }
1273: return y;
1274: }
1275:
1276:
1.565 albertel 1277: function resize_textarea(textarea_id,bottom_id) {
1278: init_geometry();
1279: var textarea = document.getElementById(textarea_id);
1280: //alert(textarea);
1281:
1.588 albertel 1282: var textarea_top = getY(textarea);
1.565 albertel 1283: var textarea_height = textarea.offsetHeight;
1284: var bottom = document.getElementById(bottom_id);
1.588 albertel 1285: var bottom_top = getY(bottom);
1.565 albertel 1286: var bottom_height = bottom.offsetHeight;
1287: var window_height = Geometry.getViewportHeight();
1.588 albertel 1288: var fudge = 23;
1.565 albertel 1289: var new_height = window_height-fudge-textarea_top-bottom_height;
1290: if (new_height < 300) {
1291: new_height = 300;
1292: }
1293: textarea.style.height=new_height+'px';
1294: }
1295: </script>
1296: RESIZE
1297:
1298: }
1299:
1300: =pod
1301:
1.256 matthew 1302: =head1 Excel and CSV file utility routines
1303:
1304: =over 4
1305:
1306: =cut
1307:
1308: ###############################################################
1309: ###############################################################
1310:
1311: =pod
1312:
1.648 raeburn 1313: =item * &csv_translate($text)
1.37 matthew 1314:
1.185 www 1315: Translate $text to allow it to be output as a 'comma separated values'
1.37 matthew 1316: format.
1317:
1318: =cut
1319:
1.180 matthew 1320: ###############################################################
1321: ###############################################################
1.37 matthew 1322: sub csv_translate {
1323: my $text = shift;
1324: $text =~ s/\"/\"\"/g;
1.209 albertel 1325: $text =~ s/\n/ /g;
1.37 matthew 1326: return $text;
1327: }
1.180 matthew 1328:
1329: ###############################################################
1330: ###############################################################
1331:
1332: =pod
1333:
1.648 raeburn 1334: =item * &define_excel_formats()
1.180 matthew 1335:
1336: Define some commonly used Excel cell formats.
1337:
1338: Currently supported formats:
1339:
1340: =over 4
1341:
1342: =item header
1343:
1344: =item bold
1345:
1346: =item h1
1347:
1348: =item h2
1349:
1350: =item h3
1351:
1.256 matthew 1352: =item h4
1353:
1354: =item i
1355:
1.180 matthew 1356: =item date
1357:
1358: =back
1359:
1360: Inputs: $workbook
1361:
1362: Returns: $format, a hash reference.
1363:
1364: =cut
1365:
1366: ###############################################################
1367: ###############################################################
1368: sub define_excel_formats {
1369: my ($workbook) = @_;
1370: my $format;
1371: $format->{'header'} = $workbook->add_format(bold => 1,
1372: bottom => 1,
1373: align => 'center');
1374: $format->{'bold'} = $workbook->add_format(bold=>1);
1375: $format->{'h1'} = $workbook->add_format(bold=>1, size=>18);
1376: $format->{'h2'} = $workbook->add_format(bold=>1, size=>16);
1377: $format->{'h3'} = $workbook->add_format(bold=>1, size=>14);
1.255 matthew 1378: $format->{'h4'} = $workbook->add_format(bold=>1, size=>12);
1.246 matthew 1379: $format->{'i'} = $workbook->add_format(italic=>1);
1.180 matthew 1380: $format->{'date'} = $workbook->add_format(num_format=>
1.207 matthew 1381: 'mm/dd/yyyy hh:mm:ss');
1.180 matthew 1382: return $format;
1383: }
1384:
1385: ###############################################################
1386: ###############################################################
1.113 bowersj2 1387:
1388: =pod
1389:
1.648 raeburn 1390: =item * &create_workbook()
1.255 matthew 1391:
1392: Create an Excel worksheet. If it fails, output message on the
1393: request object and return undefs.
1394:
1395: Inputs: Apache request object
1396:
1397: Returns (undef) on failure,
1398: Excel worksheet object, scalar with filename, and formats
1399: from &Apache::loncommon::define_excel_formats on success
1400:
1401: =cut
1402:
1403: ###############################################################
1404: ###############################################################
1405: sub create_workbook {
1406: my ($r) = @_;
1407: #
1408: # Create the excel spreadsheet
1409: my $filename = '/prtspool/'.
1.258 albertel 1410: $env{'user.name'}.'_'.$env{'user.domain'}.'_'.
1.255 matthew 1411: time.'_'.rand(1000000000).'.xls';
1412: my $workbook = Spreadsheet::WriteExcel->new('/home/httpd'.$filename);
1413: if (! defined($workbook)) {
1414: $r->log_error("Error creating excel spreadsheet $filename: $!");
1415: $r->print('<p>'.&mt("Unable to create new Excel file. ".
1416: "This error has been logged. ".
1417: "Please alert your LON-CAPA administrator").
1418: '</p>');
1419: return (undef);
1420: }
1421: #
1422: $workbook->set_tempdir('/home/httpd/perl/tmp');
1423: #
1424: my $format = &Apache::loncommon::define_excel_formats($workbook);
1425: return ($workbook,$filename,$format);
1426: }
1427:
1428: ###############################################################
1429: ###############################################################
1430:
1431: =pod
1432:
1.648 raeburn 1433: =item * &create_text_file()
1.113 bowersj2 1434:
1.542 raeburn 1435: Create a file to write to and eventually make available to the user.
1.256 matthew 1436: If file creation fails, outputs an error message on the request object and
1437: return undefs.
1.113 bowersj2 1438:
1.256 matthew 1439: Inputs: Apache request object, and file suffix
1.113 bowersj2 1440:
1.256 matthew 1441: Returns (undef) on failure,
1442: Filehandle and filename on success.
1.113 bowersj2 1443:
1444: =cut
1445:
1.256 matthew 1446: ###############################################################
1447: ###############################################################
1448: sub create_text_file {
1449: my ($r,$suffix) = @_;
1450: if (! defined($suffix)) { $suffix = 'txt'; };
1451: my $fh;
1452: my $filename = '/prtspool/'.
1.258 albertel 1453: $env{'user.name'}.'_'.$env{'user.domain'}.'_'.
1.256 matthew 1454: time.'_'.rand(1000000000).'.'.$suffix;
1455: $fh = Apache::File->new('>/home/httpd'.$filename);
1456: if (! defined($fh)) {
1457: $r->log_error("Couldn't open $filename for output $!");
1458: $r->print("Problems occured in creating the output file. ".
1459: "This error has been logged. ".
1460: "Please alert your LON-CAPA administrator.");
1.113 bowersj2 1461: }
1.256 matthew 1462: return ($fh,$filename)
1.113 bowersj2 1463: }
1464:
1465:
1.256 matthew 1466: =pod
1.113 bowersj2 1467:
1468: =back
1469:
1470: =cut
1.37 matthew 1471:
1472: ###############################################################
1.33 matthew 1473: ## Home server <option> list generating code ##
1474: ###############################################################
1.35 matthew 1475:
1.169 www 1476: # ------------------------------------------
1477:
1478: sub domain_select {
1479: my ($name,$value,$multiple)=@_;
1480: my %domains=map {
1.514 albertel 1481: $_ => $_.' '. &Apache::lonnet::domain($_,'description')
1.512 albertel 1482: } &Apache::lonnet::all_domains();
1.169 www 1483: if ($multiple) {
1484: $domains{''}=&mt('Any domain');
1.550 albertel 1485: $domains{'select_form_order'} = [sort {lc($a) cmp lc($b) } (keys(%domains))];
1.287 albertel 1486: return &multiple_select_form($name,$value,4,\%domains);
1.169 www 1487: } else {
1.550 albertel 1488: $domains{'select_form_order'} = [sort {lc($a) cmp lc($b) } (keys(%domains))];
1.169 www 1489: return &select_form($name,$value,%domains);
1490: }
1491: }
1492:
1.282 albertel 1493: #-------------------------------------------
1494:
1495: =pod
1496:
1.519 raeburn 1497: =head1 Routines for form select boxes
1498:
1499: =over 4
1500:
1.648 raeburn 1501: =item * &multiple_select_form($name,$value,$size,$hash,$order)
1.282 albertel 1502:
1503: Returns a string containing a <select> element int multiple mode
1504:
1505:
1506: Args:
1507: $name - name of the <select> element
1.506 raeburn 1508: $value - scalar or array ref of values that should already be selected
1.282 albertel 1509: $size - number of rows long the select element is
1.283 albertel 1510: $hash - the elements should be 'option' => 'shown text'
1.282 albertel 1511: (shown text should already have been &mt())
1.506 raeburn 1512: $order - (optional) array ref of the order to show the elements in
1.283 albertel 1513:
1.282 albertel 1514: =cut
1515:
1516: #-------------------------------------------
1.169 www 1517: sub multiple_select_form {
1.284 albertel 1518: my ($name,$value,$size,$hash,$order)=@_;
1.169 www 1519: my %selected = map { $_ => 1 } ref($value)?@{$value}:($value);
1520: my $output='';
1.191 matthew 1521: if (! defined($size)) {
1522: $size = 4;
1.283 albertel 1523: if (scalar(keys(%$hash))<4) {
1524: $size = scalar(keys(%$hash));
1.191 matthew 1525: }
1526: }
1.169 www 1527: $output.="\n<select name='$name' size='$size' multiple='1'>";
1.501 banghart 1528: my @order;
1.506 raeburn 1529: if (ref($order) eq 'ARRAY') {
1530: @order = @{$order};
1531: } else {
1532: @order = sort(keys(%$hash));
1.501 banghart 1533: }
1534: if (exists($$hash{'select_form_order'})) {
1535: @order = @{$$hash{'select_form_order'}};
1536: }
1537:
1.284 albertel 1538: foreach my $key (@order) {
1.356 albertel 1539: $output.='<option value="'.&HTML::Entities::encode($key,'"<>&').'" ';
1.284 albertel 1540: $output.='selected="selected" ' if ($selected{$key});
1541: $output.='>'.$hash->{$key}."</option>\n";
1.169 www 1542: }
1543: $output.="</select>\n";
1544: return $output;
1545: }
1546:
1.88 www 1547: #-------------------------------------------
1548:
1549: =pod
1550:
1.648 raeburn 1551: =item * &select_form($defdom,$name,%hash)
1.88 www 1552:
1553: Returns a string containing a <select name='$name' size='1'> form to
1554: allow a user to select options from a hash option_name => displayed text.
1555: See lonrights.pm for an example invocation and use.
1556:
1557: =cut
1558:
1559: #-------------------------------------------
1560: sub select_form {
1561: my ($def,$name,%hash) = @_;
1562: my $selectform = "<select name=\"$name\" size=\"1\">\n";
1.128 albertel 1563: my @keys;
1564: if (exists($hash{'select_form_order'})) {
1565: @keys=@{$hash{'select_form_order'}};
1566: } else {
1567: @keys=sort(keys(%hash));
1568: }
1.356 albertel 1569: foreach my $key (@keys) {
1570: $selectform.=
1571: '<option value="'.&HTML::Entities::encode($key,'"<>&').'" '.
1572: ($key eq $def ? 'selected="selected" ' : '').
1573: ">".&mt($hash{$key})."</option>\n";
1.88 www 1574: }
1575: $selectform.="</select>";
1576: return $selectform;
1577: }
1578:
1.475 www 1579: # For display filters
1580:
1581: sub display_filter {
1582: if (!$env{'form.show'}) { $env{'form.show'}=10; }
1.477 www 1583: if (!$env{'form.displayfilter'}) { $env{'form.displayfilter'}='currentfolder'; }
1.475 www 1584: return '<nobr><label>'.&mt('Records [_1]',
1585: &Apache::lonmeta::selectbox('show',$env{'form.show'},undef,
1586: (&mt('all'),10,20,50,100,1000,10000))).
1.478 www 1587: '</label></nobr> <nobr>'.
1.475 www 1588: &mt('Filter [_1]',
1.477 www 1589: &select_form($env{'form.displayfilter'},
1590: 'displayfilter',
1591: ('currentfolder' => 'Current folder/page',
1592: 'containing' => 'Containing phrase',
1593: 'none' => 'None'))).
1.478 www 1594: '<input type="text" name="containingphrase" size="30" value="'.&HTML::Entities::encode($env{'form.containingphrase'}).'" /></nobr>';
1.475 www 1595: }
1596:
1.167 www 1597: sub gradeleveldescription {
1598: my $gradelevel=shift;
1599: my %gradelevels=(0 => 'Not specified',
1600: 1 => 'Grade 1',
1601: 2 => 'Grade 2',
1602: 3 => 'Grade 3',
1603: 4 => 'Grade 4',
1604: 5 => 'Grade 5',
1605: 6 => 'Grade 6',
1606: 7 => 'Grade 7',
1607: 8 => 'Grade 8',
1608: 9 => 'Grade 9',
1609: 10 => 'Grade 10',
1610: 11 => 'Grade 11',
1611: 12 => 'Grade 12',
1612: 13 => 'Grade 13',
1613: 14 => '100 Level',
1614: 15 => '200 Level',
1615: 16 => '300 Level',
1616: 17 => '400 Level',
1617: 18 => 'Graduate Level');
1618: return &mt($gradelevels{$gradelevel});
1619: }
1620:
1.163 www 1621: sub select_level_form {
1622: my ($deflevel,$name)=@_;
1623: unless ($deflevel) { $deflevel=0; }
1.167 www 1624: my $selectform = "<select name=\"$name\" size=\"1\">\n";
1625: for (my $i=0; $i<=18; $i++) {
1626: $selectform.="<option value=\"$i\" ".
1.253 albertel 1627: ($i==$deflevel ? 'selected="selected" ' : '').
1.167 www 1628: ">".&gradeleveldescription($i)."</option>\n";
1629: }
1630: $selectform.="</select>";
1631: return $selectform;
1.163 www 1632: }
1.167 www 1633:
1.35 matthew 1634: #-------------------------------------------
1635:
1.45 matthew 1636: =pod
1637:
1.648 raeburn 1638: =item * &select_dom_form($defdom,$name,$includeempty,$showdomdesc)
1.35 matthew 1639:
1640: Returns a string containing a <select name='$name' size='1'> form to
1641: allow a user to select the domain to preform an operation in.
1642: See loncreateuser.pm for an example invocation and use.
1643:
1.90 www 1644: If the $includeempty flag is set, it also includes an empty choice ("no domain
1645: selected");
1646:
1.563 raeburn 1647: If the $showdomdesc flag is set, the domain name is followed by the domain description.
1648:
1.35 matthew 1649: =cut
1650:
1651: #-------------------------------------------
1.34 matthew 1652: sub select_dom_form {
1.563 raeburn 1653: my ($defdom,$name,$includeempty,$showdomdesc) = @_;
1.550 albertel 1654: my @domains = sort {lc($a) cmp lc($b)} (&Apache::lonnet::all_domains());
1.90 www 1655: if ($includeempty) { @domains=('',@domains); }
1.34 matthew 1656: my $selectdomain = "<select name=\"$name\" size=\"1\">\n";
1.356 albertel 1657: foreach my $dom (@domains) {
1658: $selectdomain.="<option value=\"$dom\" ".
1.563 raeburn 1659: ($dom eq $defdom ? 'selected="selected" ' : '').'>'.$dom;
1660: if ($showdomdesc) {
1661: if ($dom ne '') {
1662: my $domdesc = &Apache::lonnet::domain($dom,'description');
1663: if ($domdesc ne '') {
1664: $selectdomain .= ' ('.$domdesc.')';
1665: }
1666: }
1667: }
1668: $selectdomain .= "</option>\n";
1.34 matthew 1669: }
1670: $selectdomain.="</select>";
1671: return $selectdomain;
1672: }
1673:
1.35 matthew 1674: #-------------------------------------------
1675:
1.45 matthew 1676: =pod
1677:
1.648 raeburn 1678: =item * &home_server_form_item($domain,$name,$defaultflag)
1.35 matthew 1679:
1.586 raeburn 1680: input: 4 arguments (two required, two optional) -
1681: $domain - domain of new user
1682: $name - name of form element
1683: $default - Value of 'default' causes a default item to be first
1684: option, and selected by default.
1685: $hide - Value of 'hide' causes hiding of the name of the server,
1686: if 1 server found, or default, if 0 found.
1.594 raeburn 1687: output: returns 2 items:
1.586 raeburn 1688: (a) form element which contains either:
1689: (i) <select name="$name">
1690: <option value="$hostid1">$hostid $servers{$hostid}</option>
1691: <option value="$hostid2">$hostid $servers{$hostid}</option>
1692: </select>
1693: form item if there are multiple library servers in $domain, or
1694: (ii) an <input type="hidden" name="$name" value="$hostid" /> form item
1695: if there is only one library server in $domain.
1696:
1697: (b) number of library servers found.
1698:
1699: See loncreateuser.pm for example of use.
1.35 matthew 1700:
1701: =cut
1702:
1703: #-------------------------------------------
1.586 raeburn 1704: sub home_server_form_item {
1705: my ($domain,$name,$default,$hide) = @_;
1.513 albertel 1706: my %servers = &Apache::lonnet::get_servers($domain,'library');
1.586 raeburn 1707: my $result;
1708: my $numlib = keys(%servers);
1709: if ($numlib > 1) {
1710: $result .= '<select name="'.$name.'" />'."\n";
1711: if ($default) {
1712: $result .= '<option value="default" selected>'.&mt('default').
1713: '</option>'."\n";
1714: }
1715: foreach my $hostid (sort(keys(%servers))) {
1716: $result.= '<option value="'.$hostid.'">'.
1717: $hostid.' '.$servers{$hostid}."</option>\n";
1718: }
1719: $result .= '</select>'."\n";
1720: } elsif ($numlib == 1) {
1721: my $hostid;
1722: foreach my $item (keys(%servers)) {
1723: $hostid = $item;
1724: }
1725: $result .= '<input type="hidden" name="'.$name.'" value="'.
1726: $hostid.'" />';
1727: if (!$hide) {
1728: $result .= $hostid.' '.$servers{$hostid};
1729: }
1730: $result .= "\n";
1731: } elsif ($default) {
1732: $result .= '<input type="hidden" name="'.$name.
1733: '" value="default" />';
1734: if (!$hide) {
1735: $result .= &mt('default');
1736: }
1737: $result .= "\n";
1.33 matthew 1738: }
1.586 raeburn 1739: return ($result,$numlib);
1.33 matthew 1740: }
1.112 bowersj2 1741:
1742: =pod
1743:
1.534 albertel 1744: =back
1745:
1.112 bowersj2 1746: =cut
1.87 matthew 1747:
1748: ###############################################################
1.112 bowersj2 1749: ## Decoding User Agent ##
1.87 matthew 1750: ###############################################################
1751:
1752: =pod
1753:
1.112 bowersj2 1754: =head1 Decoding the User Agent
1755:
1756: =over 4
1757:
1758: =item * &decode_user_agent()
1.87 matthew 1759:
1760: Inputs: $r
1761:
1762: Outputs:
1763:
1764: =over 4
1765:
1.112 bowersj2 1766: =item * $httpbrowser
1.87 matthew 1767:
1.112 bowersj2 1768: =item * $clientbrowser
1.87 matthew 1769:
1.112 bowersj2 1770: =item * $clientversion
1.87 matthew 1771:
1.112 bowersj2 1772: =item * $clientmathml
1.87 matthew 1773:
1.112 bowersj2 1774: =item * $clientunicode
1.87 matthew 1775:
1.112 bowersj2 1776: =item * $clientos
1.87 matthew 1777:
1778: =back
1779:
1.157 matthew 1780: =back
1781:
1.87 matthew 1782: =cut
1783:
1784: ###############################################################
1785: ###############################################################
1786: sub decode_user_agent {
1.247 albertel 1787: my ($r)=@_;
1.87 matthew 1788: my @browsertype=split(/\&/,$Apache::lonnet::perlvar{"lonBrowsDet"});
1789: my %mathcap=split(/\&/,$$Apache::lonnet::perlvar{"lonMathML"});
1790: my $httpbrowser=$ENV{"HTTP_USER_AGENT"};
1.247 albertel 1791: if (!$httpbrowser && $r) { $httpbrowser=$r->header_in('User-Agent'); }
1.87 matthew 1792: my $clientbrowser='unknown';
1793: my $clientversion='0';
1794: my $clientmathml='';
1795: my $clientunicode='0';
1796: for (my $i=0;$i<=$#browsertype;$i++) {
1797: my ($bname,$match,$notmatch,$vreg,$minv,$univ)=split(/\:/,$browsertype[$i]);
1798: if (($httpbrowser=~/$match/i) && ($httpbrowser!~/$notmatch/i)) {
1799: $clientbrowser=$bname;
1800: $httpbrowser=~/$vreg/i;
1801: $clientversion=$1;
1802: $clientmathml=($clientversion>=$minv);
1803: $clientunicode=($clientversion>=$univ);
1804: }
1805: }
1806: my $clientos='unknown';
1807: if (($httpbrowser=~/linux/i) ||
1808: ($httpbrowser=~/unix/i) ||
1809: ($httpbrowser=~/ux/i) ||
1810: ($httpbrowser=~/solaris/i)) { $clientos='unix'; }
1811: if (($httpbrowser=~/vax/i) ||
1812: ($httpbrowser=~/vms/i)) { $clientos='vms'; }
1813: if ($httpbrowser=~/next/i) { $clientos='next'; }
1814: if (($httpbrowser=~/mac/i) ||
1815: ($httpbrowser=~/powerpc/i)) { $clientos='mac'; }
1816: if ($httpbrowser=~/win/i) { $clientos='win'; }
1817: if ($httpbrowser=~/embed/i) { $clientos='pda'; }
1818: return ($httpbrowser,$clientbrowser,$clientversion,$clientmathml,
1819: $clientunicode,$clientos,);
1820: }
1821:
1.32 matthew 1822: ###############################################################
1823: ## Authentication changing form generation subroutines ##
1824: ###############################################################
1825: ##
1826: ## All of the authform_xxxxxxx subroutines take their inputs in a
1827: ## hash, and have reasonable default values.
1828: ##
1829: ## formname = the name given in the <form> tag.
1.35 matthew 1830: #-------------------------------------------
1831:
1.45 matthew 1832: =pod
1833:
1.112 bowersj2 1834: =head1 Authentication Routines
1835:
1836: =over 4
1837:
1.648 raeburn 1838: =item * &authform_xxxxxx()
1.35 matthew 1839:
1840: The authform_xxxxxx subroutines provide javascript and html forms which
1841: handle some of the conveniences required for authentication forms.
1842: This is not an optimal method, but it works.
1843:
1844: =over 4
1845:
1.112 bowersj2 1846: =item * authform_header
1.35 matthew 1847:
1.112 bowersj2 1848: =item * authform_authorwarning
1.35 matthew 1849:
1.112 bowersj2 1850: =item * authform_nochange
1.35 matthew 1851:
1.112 bowersj2 1852: =item * authform_kerberos
1.35 matthew 1853:
1.112 bowersj2 1854: =item * authform_internal
1.35 matthew 1855:
1.112 bowersj2 1856: =item * authform_filesystem
1.35 matthew 1857:
1858: =back
1859:
1.648 raeburn 1860: See loncreateuser.pm for invocation and use examples.
1.157 matthew 1861:
1.35 matthew 1862: =cut
1863:
1864: #-------------------------------------------
1.32 matthew 1865: sub authform_header{
1866: my %in = (
1867: formname => 'cu',
1.80 albertel 1868: kerb_def_dom => '',
1.32 matthew 1869: @_,
1870: );
1871: $in{'formname'} = 'document.' . $in{'formname'};
1872: my $result='';
1.80 albertel 1873:
1874: #---------------------------------------------- Code for upper case translation
1875: my $Javascript_toUpperCase;
1876: unless ($in{kerb_def_dom}) {
1877: $Javascript_toUpperCase =<<"END";
1878: switch (choice) {
1879: case 'krb': currentform.elements[choicearg].value =
1880: currentform.elements[choicearg].value.toUpperCase();
1881: break;
1882: default:
1883: }
1884: END
1885: } else {
1886: $Javascript_toUpperCase = "";
1887: }
1888:
1.165 raeburn 1889: my $radioval = "'nochange'";
1.591 raeburn 1890: if (defined($in{'curr_authtype'})) {
1891: if ($in{'curr_authtype'} ne '') {
1892: $radioval = "'".$in{'curr_authtype'}."arg'";
1893: }
1.174 matthew 1894: }
1.165 raeburn 1895: my $argfield = 'null';
1.591 raeburn 1896: if (defined($in{'mode'})) {
1.165 raeburn 1897: if ($in{'mode'} eq 'modifycourse') {
1.591 raeburn 1898: if (defined($in{'curr_autharg'})) {
1899: if ($in{'curr_autharg'} ne '') {
1.165 raeburn 1900: $argfield = "'$in{'curr_autharg'}'";
1901: }
1902: }
1903: }
1904: }
1905:
1.32 matthew 1906: $result.=<<"END";
1907: var current = new Object();
1.165 raeburn 1908: current.radiovalue = $radioval;
1909: current.argfield = $argfield;
1.32 matthew 1910:
1911: function changed_radio(choice,currentform) {
1912: var choicearg = choice + 'arg';
1913: // If a radio button in changed, we need to change the argfield
1914: if (current.radiovalue != choice) {
1915: current.radiovalue = choice;
1916: if (current.argfield != null) {
1917: currentform.elements[current.argfield].value = '';
1918: }
1919: if (choice == 'nochange') {
1920: current.argfield = null;
1921: } else {
1922: current.argfield = choicearg;
1923: switch(choice) {
1924: case 'krb':
1925: currentform.elements[current.argfield].value =
1926: "$in{'kerb_def_dom'}";
1927: break;
1928: default:
1929: break;
1930: }
1931: }
1932: }
1933: return;
1934: }
1.22 www 1935:
1.32 matthew 1936: function changed_text(choice,currentform) {
1937: var choicearg = choice + 'arg';
1938: if (currentform.elements[choicearg].value !='') {
1.80 albertel 1939: $Javascript_toUpperCase
1.32 matthew 1940: // clear old field
1941: if ((current.argfield != choicearg) && (current.argfield != null)) {
1942: currentform.elements[current.argfield].value = '';
1943: }
1944: current.argfield = choicearg;
1945: }
1946: set_auth_radio_buttons(choice,currentform);
1947: return;
1.20 www 1948: }
1.32 matthew 1949:
1950: function set_auth_radio_buttons(newvalue,currentform) {
1951: var i=0;
1952: while (i < currentform.login.length) {
1953: if (currentform.login[i].value == newvalue) { break; }
1954: i++;
1955: }
1956: if (i == currentform.login.length) {
1957: return;
1958: }
1959: current.radiovalue = newvalue;
1960: currentform.login[i].checked = true;
1961: return;
1962: }
1963: END
1964: return $result;
1965: }
1966:
1967: sub authform_authorwarning{
1968: my $result='';
1.144 matthew 1969: $result='<i>'.
1970: &mt('As a general rule, only authors or co-authors should be '.
1971: 'filesystem authenticated '.
1972: '(which allows access to the server filesystem).')."</i>\n";
1.32 matthew 1973: return $result;
1974: }
1975:
1976: sub authform_nochange{
1977: my %in = (
1978: formname => 'document.cu',
1979: kerb_def_dom => 'MSU.EDU',
1980: @_,
1981: );
1.586 raeburn 1982: my ($authnum,%can_assign) = &get_assignable_auth($in{'domain'});
1983: my $result;
1984: if (keys(%can_assign) == 0) {
1985: $result = &mt('Under you current role you are not permitted to change login settings for this user');
1986: } else {
1987: $result = '<label>'.&mt('[_1] Do not change login data',
1988: '<input type="radio" name="login" value="nochange" '.
1989: 'checked="checked" onclick="'.
1.281 albertel 1990: "javascript:changed_radio('nochange',$in{'formname'});".'" />').
1991: '</label>';
1.586 raeburn 1992: }
1.32 matthew 1993: return $result;
1994: }
1995:
1.591 raeburn 1996: sub authform_kerberos {
1.32 matthew 1997: my %in = (
1998: formname => 'document.cu',
1999: kerb_def_dom => 'MSU.EDU',
1.80 albertel 2000: kerb_def_auth => 'krb4',
1.32 matthew 2001: @_,
2002: );
1.586 raeburn 2003: my ($check4,$check5,$krbcheck,$krbarg,$krbver,$result,$authtype,
2004: $autharg,$jscall);
2005: my ($authnum,%can_assign) = &get_assignable_auth($in{'domain'});
1.80 albertel 2006: if ($in{'kerb_def_auth'} eq 'krb5') {
1.586 raeburn 2007: $check5 = ' checked="on"';
1.80 albertel 2008: } else {
1.586 raeburn 2009: $check4 = ' checked="on"';
1.80 albertel 2010: }
1.165 raeburn 2011: $krbarg = $in{'kerb_def_dom'};
1.591 raeburn 2012: if (defined($in{'curr_authtype'})) {
2013: if ($in{'curr_authtype'} eq 'krb') {
1.586 raeburn 2014: $krbcheck = ' checked="on"';
1.623 raeburn 2015: if (defined($in{'mode'})) {
2016: if ($in{'mode'} eq 'modifyuser') {
2017: $krbcheck = '';
2018: }
2019: }
1.591 raeburn 2020: if (defined($in{'curr_kerb_ver'})) {
2021: if ($in{'curr_krb_ver'} eq '5') {
2022: $check5 = ' checked="on"';
2023: $check4 = '';
2024: } else {
2025: $check4 = ' checked="on"';
2026: $check5 = '';
2027: }
1.586 raeburn 2028: }
1.591 raeburn 2029: if (defined($in{'curr_autharg'})) {
1.165 raeburn 2030: $krbarg = $in{'curr_autharg'};
2031: }
1.586 raeburn 2032: if (!$can_assign{'krb4'} && !$can_assign{'krb5'}) {
1.591 raeburn 2033: if (defined($in{'curr_autharg'})) {
1.586 raeburn 2034: $result =
2035: &mt('Currently Kerberos authenticated with domain [_1] Version [_2].',
2036: $in{'curr_autharg'},$krbver);
2037: } else {
2038: $result =
2039: &mt('Currently Kerberos authenticated, Version [_1].',$krbver);
2040: }
2041: return $result;
2042: }
2043: }
2044: } else {
2045: if ($authnum == 1) {
2046: $authtype = '<input type="hidden" name="login" value="krb">';
1.165 raeburn 2047: }
2048: }
1.586 raeburn 2049: if (!$can_assign{'krb4'} && !$can_assign{'krb5'}) {
2050: return;
1.587 raeburn 2051: } elsif ($authtype eq '') {
1.591 raeburn 2052: if (defined($in{'mode'})) {
1.587 raeburn 2053: if ($in{'mode'} eq 'modifycourse') {
2054: if ($authnum == 1) {
2055: $authtype = '<input type="hidden" name="login" value="krb">';
2056: }
2057: }
2058: }
1.586 raeburn 2059: }
2060: $jscall = "javascript:changed_radio('krb',$in{'formname'});";
2061: if ($authtype eq '') {
2062: $authtype = '<input type="radio" name="login" value="krb" '.
2063: 'onclick="'.$jscall.'" onchange="'.$jscall.'"'.
2064: $krbcheck.' />';
2065: }
2066: if (($can_assign{'krb4'} && $can_assign{'krb5'}) ||
2067: ($can_assign{'krb4'} && !$can_assign{'krb5'} &&
2068: $in{'curr_authtype'} eq 'krb5') ||
2069: (!$can_assign{'krb4'} && $can_assign{'krb5'} &&
2070: $in{'curr_authtype'} eq 'krb4')) {
2071: $result .= &mt
1.144 matthew 2072: ('[_1] Kerberos authenticated with domain [_2] '.
1.281 albertel 2073: '[_3] Version 4 [_4] Version 5 [_5]',
1.586 raeburn 2074: '<label>'.$authtype,
1.281 albertel 2075: '</label><input type="text" size="10" name="krbarg" '.
1.165 raeburn 2076: 'value="'.$krbarg.'" '.
1.144 matthew 2077: 'onchange="'.$jscall.'" />',
1.281 albertel 2078: '<label><input type="radio" name="krbver" value="4" '.$check4.' />',
2079: '</label><label><input type="radio" name="krbver" value="5" '.$check5.' />',
2080: '</label>');
1.586 raeburn 2081: } elsif ($can_assign{'krb4'}) {
2082: $result .= &mt
2083: ('[_1] Kerberos authenticated with domain [_2] '.
2084: '[_3] Version 4 [_4]',
2085: '<label>'.$authtype,
2086: '</label><input type="text" size="10" name="krbarg" '.
2087: 'value="'.$krbarg.'" '.
2088: 'onchange="'.$jscall.'" />',
2089: '<label><input type="hidden" name="krbver" value="4" />',
2090: '</label>');
2091: } elsif ($can_assign{'krb5'}) {
2092: $result .= &mt
2093: ('[_1] Kerberos authenticated with domain [_2] '.
2094: '[_3] Version 5 [_4]',
2095: '<label>'.$authtype,
2096: '</label><input type="text" size="10" name="krbarg" '.
2097: 'value="'.$krbarg.'" '.
2098: 'onchange="'.$jscall.'" />',
2099: '<label><input type="hidden" name="krbver" value="5" />',
2100: '</label>');
2101: }
1.32 matthew 2102: return $result;
2103: }
2104:
2105: sub authform_internal{
1.586 raeburn 2106: my %in = (
1.32 matthew 2107: formname => 'document.cu',
2108: kerb_def_dom => 'MSU.EDU',
2109: @_,
2110: );
1.586 raeburn 2111: my ($intcheck,$intarg,$result,$authtype,$autharg,$jscall);
2112: my ($authnum,%can_assign) = &get_assignable_auth($in{'domain'});
1.591 raeburn 2113: if (defined($in{'curr_authtype'})) {
2114: if ($in{'curr_authtype'} eq 'int') {
1.586 raeburn 2115: if ($can_assign{'int'}) {
2116: $intcheck = 'checked="on" ';
1.623 raeburn 2117: if (defined($in{'mode'})) {
2118: if ($in{'mode'} eq 'modifyuser') {
2119: $intcheck = '';
2120: }
2121: }
1.591 raeburn 2122: if (defined($in{'curr_autharg'})) {
1.586 raeburn 2123: $intarg = $in{'curr_autharg'};
2124: }
2125: } else {
2126: $result = &mt('Currently internally authenticated.');
2127: return $result;
1.165 raeburn 2128: }
2129: }
1.586 raeburn 2130: } else {
2131: if ($authnum == 1) {
2132: $authtype = '<input type="hidden" name="login" value="int">';
2133: }
2134: }
2135: if (!$can_assign{'int'}) {
2136: return;
1.587 raeburn 2137: } elsif ($authtype eq '') {
1.591 raeburn 2138: if (defined($in{'mode'})) {
1.587 raeburn 2139: if ($in{'mode'} eq 'modifycourse') {
2140: if ($authnum == 1) {
2141: $authtype = '<input type="hidden" name="login" value="int">';
2142: }
2143: }
2144: }
1.165 raeburn 2145: }
1.586 raeburn 2146: $jscall = "javascript:changed_radio('int',$in{'formname'});";
2147: if ($authtype eq '') {
2148: $authtype = '<input type="radio" name="login" value="int" '.$intcheck.
2149: ' onchange="'.$jscall.'" onclick="'.$jscall.'" />';
2150: }
1.605 bisitz 2151: $autharg = '<input type="password" size="10" name="intarg" value="'.
1.586 raeburn 2152: $intarg.'" onchange="'.$jscall.'" />';
2153: $result = &mt
1.144 matthew 2154: ('[_1] Internally authenticated (with initial password [_2])',
1.586 raeburn 2155: '<label>'.$authtype,'</label>'.$autharg);
1.620 www 2156: $result.="<label><input type=\"checkbox\" name=\"visible\" onClick='if (this.checked) { this.form.intarg.type=\"text\" } else { this.form.intarg.type=\"password\" }' />".&mt('Visible input').'</label>';
1.32 matthew 2157: return $result;
2158: }
2159:
2160: sub authform_local{
2161: my %in = (
2162: formname => 'document.cu',
2163: kerb_def_dom => 'MSU.EDU',
2164: @_,
2165: );
1.586 raeburn 2166: my ($loccheck,$locarg,$result,$authtype,$autharg,$jscall);
2167: my ($authnum,%can_assign) = &get_assignable_auth($in{'domain'});
1.591 raeburn 2168: if (defined($in{'curr_authtype'})) {
2169: if ($in{'curr_authtype'} eq 'loc') {
1.586 raeburn 2170: if ($can_assign{'loc'}) {
2171: $loccheck = 'checked="on" ';
1.623 raeburn 2172: if (defined($in{'mode'})) {
2173: if ($in{'mode'} eq 'modifyuser') {
2174: $loccheck = '';
2175: }
2176: }
1.591 raeburn 2177: if (defined($in{'curr_autharg'})) {
1.586 raeburn 2178: $locarg = $in{'curr_autharg'};
2179: }
2180: } else {
2181: $result = &mt('Currently using local (institutional) authentication.');
2182: return $result;
1.165 raeburn 2183: }
2184: }
1.586 raeburn 2185: } else {
2186: if ($authnum == 1) {
2187: $authtype = '<input type="hidden" name="login" value="loc">';
2188: }
2189: }
2190: if (!$can_assign{'loc'}) {
2191: return;
1.587 raeburn 2192: } elsif ($authtype eq '') {
1.591 raeburn 2193: if (defined($in{'mode'})) {
1.587 raeburn 2194: if ($in{'mode'} eq 'modifycourse') {
2195: if ($authnum == 1) {
2196: $authtype = '<input type="hidden" name="login" value="loc">';
2197: }
2198: }
2199: }
1.165 raeburn 2200: }
1.586 raeburn 2201: $jscall = "javascript:changed_radio('loc',$in{'formname'});";
2202: if ($authtype eq '') {
2203: $authtype = '<input type="radio" name="login" value="loc" '.
2204: $loccheck.' onchange="'.$jscall.'" onclick="'.
2205: $jscall.'" />';
2206: }
2207: $autharg = '<input type="text" size="10" name="locarg" value="'.
2208: $locarg.'" onchange="'.$jscall.'" />';
2209: $result = &mt('[_1] Local Authentication with argument [_2]',
2210: '<label>'.$authtype,'</label>'.$autharg);
1.32 matthew 2211: return $result;
2212: }
2213:
2214: sub authform_filesystem{
2215: my %in = (
2216: formname => 'document.cu',
2217: kerb_def_dom => 'MSU.EDU',
2218: @_,
2219: );
1.586 raeburn 2220: my ($fsyscheck,$result,$authtype,$autharg,$jscall);
2221: my ($authnum,%can_assign) = &get_assignable_auth($in{'domain'});
1.591 raeburn 2222: if (defined($in{'curr_authtype'})) {
2223: if ($in{'curr_authtype'} eq 'fsys') {
1.586 raeburn 2224: if ($can_assign{'fsys'}) {
2225: $fsyscheck = 'checked="on" ';
1.623 raeburn 2226: if (defined($in{'mode'})) {
2227: if ($in{'mode'} eq 'modifyuser') {
2228: $fsyscheck = '';
2229: }
2230: }
1.586 raeburn 2231: } else {
2232: $result = &mt('Currently Filesystem Authenticated.');
2233: return $result;
2234: }
2235: }
2236: } else {
2237: if ($authnum == 1) {
2238: $authtype = '<input type="hidden" name="login" value="fsys">';
2239: }
2240: }
2241: if (!$can_assign{'fsys'}) {
2242: return;
1.587 raeburn 2243: } elsif ($authtype eq '') {
1.591 raeburn 2244: if (defined($in{'mode'})) {
1.587 raeburn 2245: if ($in{'mode'} eq 'modifycourse') {
2246: if ($authnum == 1) {
2247: $authtype = '<input type="hidden" name="login" value="fsys">';
2248: }
2249: }
2250: }
1.586 raeburn 2251: }
2252: $jscall = "javascript:changed_radio('fsys',$in{'formname'});";
2253: if ($authtype eq '') {
2254: $authtype = '<input type="radio" name="login" value="fsys" '.
2255: $fsyscheck.' onchange="'.$jscall.'" onclick="'.
2256: $jscall.'" />';
2257: }
2258: $autharg = '<input type="text" size="10" name="fsysarg" value=""'.
2259: ' onchange="'.$jscall.'" />';
2260: $result = &mt
1.144 matthew 2261: ('[_1] Filesystem Authenticated (with initial password [_2])',
1.281 albertel 2262: '<label><input type="radio" name="login" value="fsys" '.
1.586 raeburn 2263: $fsyscheck.'onchange="'.$jscall.'" onclick="'.$jscall.'" />',
1.605 bisitz 2264: '</label><input type="password" size="10" name="fsysarg" value="" '.
1.144 matthew 2265: 'onchange="'.$jscall.'" />');
1.32 matthew 2266: return $result;
2267: }
2268:
1.586 raeburn 2269: sub get_assignable_auth {
2270: my ($dom) = @_;
2271: if ($dom eq '') {
2272: $dom = $env{'request.role.domain'};
2273: }
2274: my %can_assign = (
2275: krb4 => 1,
2276: krb5 => 1,
2277: int => 1,
2278: loc => 1,
2279: );
2280: my %domconfig = &Apache::lonnet::get_dom('configuration',['usercreation'],$dom);
2281: if (ref($domconfig{'usercreation'}) eq 'HASH') {
2282: if (ref($domconfig{'usercreation'}{'authtypes'}) eq 'HASH') {
2283: my $authhash = $domconfig{'usercreation'}{'authtypes'};
2284: my $context;
2285: if ($env{'request.role'} =~ /^au/) {
2286: $context = 'author';
2287: } elsif ($env{'request.role'} =~ /^dc/) {
2288: $context = 'domain';
2289: } elsif ($env{'request.course.id'}) {
2290: $context = 'course';
2291: }
2292: if ($context) {
2293: if (ref($authhash->{$context}) eq 'HASH') {
2294: %can_assign = %{$authhash->{$context}};
2295: }
2296: }
2297: }
2298: }
2299: my $authnum = 0;
2300: foreach my $key (keys(%can_assign)) {
2301: if ($can_assign{$key}) {
2302: $authnum ++;
2303: }
2304: }
2305: if ($can_assign{'krb4'} && $can_assign{'krb5'}) {
2306: $authnum --;
2307: }
2308: return ($authnum,%can_assign);
2309: }
2310:
1.80 albertel 2311: ###############################################################
2312: ## Get Kerberos Defaults for Domain ##
2313: ###############################################################
2314: ##
2315: ## Returns default kerberos version and an associated argument
2316: ## as listed in file domain.tab. If not listed, provides
2317: ## appropriate default domain and kerberos version.
2318: ##
2319: #-------------------------------------------
2320:
2321: =pod
2322:
1.648 raeburn 2323: =item * &get_kerberos_defaults()
1.80 albertel 2324:
2325: get_kerberos_defaults($target_domain) returns the default kerberos
1.641 raeburn 2326: version and domain. If not found, it defaults to version 4 and the
2327: domain of the server.
1.80 albertel 2328:
1.648 raeburn 2329: =over 4
2330:
1.80 albertel 2331: ($def_version, $def_krb_domain) = &get_kerberos_defaults($target_domain);
2332:
1.648 raeburn 2333: =back
2334:
2335: =back
2336:
1.80 albertel 2337: =cut
2338:
2339: #-------------------------------------------
2340: sub get_kerberos_defaults {
2341: my $domain=shift;
1.641 raeburn 2342: my ($krbdef,$krbdefdom);
2343: my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
2344: if (($domdefaults{'auth_def'} =~/^krb(4|5)$/) && ($domdefaults{'auth_arg_def'} ne '')) {
2345: $krbdef = $domdefaults{'auth_def'};
2346: $krbdefdom = $domdefaults{'auth_arg_def'};
2347: } else {
1.80 albertel 2348: $ENV{'SERVER_NAME'}=~/(\w+\.\w+)$/;
2349: my $krbdefdom=$1;
2350: $krbdefdom=~tr/a-z/A-Z/;
2351: $krbdef = "krb4";
2352: }
2353: return ($krbdef,$krbdefdom);
2354: }
1.112 bowersj2 2355:
1.32 matthew 2356:
1.46 matthew 2357: ###############################################################
2358: ## Thesaurus Functions ##
2359: ###############################################################
1.20 www 2360:
1.46 matthew 2361: =pod
1.20 www 2362:
1.112 bowersj2 2363: =head1 Thesaurus Functions
2364:
2365: =over 4
2366:
1.648 raeburn 2367: =item * &initialize_keywords()
1.46 matthew 2368:
2369: Initializes the package variable %Keywords if it is empty. Uses the
2370: package variable $thesaurus_db_file.
2371:
2372: =cut
2373:
2374: ###################################################
2375:
2376: sub initialize_keywords {
2377: return 1 if (scalar keys(%Keywords));
2378: # If we are here, %Keywords is empty, so fill it up
2379: # Make sure the file we need exists...
2380: if (! -e $thesaurus_db_file) {
2381: &Apache::lonnet::logthis("Attempt to access $thesaurus_db_file".
2382: " failed because it does not exist");
2383: return 0;
2384: }
2385: # Set up the hash as a database
2386: my %thesaurus_db;
2387: if (! tie(%thesaurus_db,'GDBM_File',
1.53 albertel 2388: $thesaurus_db_file,&GDBM_READER(),0640)){
1.46 matthew 2389: &Apache::lonnet::logthis("Could not tie \%thesaurus_db to ".
2390: $thesaurus_db_file);
2391: return 0;
2392: }
2393: # Get the average number of appearances of a word.
2394: my $avecount = $thesaurus_db{'average.count'};
2395: # Put keywords (those that appear > average) into %Keywords
2396: while (my ($word,$data)=each (%thesaurus_db)) {
2397: my ($count,undef) = split /:/,$data;
2398: $Keywords{$word}++ if ($count > $avecount);
2399: }
2400: untie %thesaurus_db;
2401: # Remove special values from %Keywords.
1.356 albertel 2402: foreach my $value ('total.count','average.count') {
2403: delete($Keywords{$value}) if (exists($Keywords{$value}));
1.586 raeburn 2404: }
1.46 matthew 2405: return 1;
2406: }
2407:
2408: ###################################################
2409:
2410: =pod
2411:
1.648 raeburn 2412: =item * &keyword($word)
1.46 matthew 2413:
2414: Returns true if $word is a keyword. A keyword is a word that appears more
2415: than the average number of times in the thesaurus database. Calls
2416: &initialize_keywords
2417:
2418: =cut
2419:
2420: ###################################################
1.20 www 2421:
2422: sub keyword {
1.46 matthew 2423: return if (!&initialize_keywords());
2424: my $word=lc(shift());
2425: $word=~s/\W//g;
2426: return exists($Keywords{$word});
1.20 www 2427: }
1.46 matthew 2428:
2429: ###############################################################
2430:
2431: =pod
1.20 www 2432:
1.648 raeburn 2433: =item * &get_related_words()
1.46 matthew 2434:
1.160 matthew 2435: Look up a word in the thesaurus. Takes a scalar argument and returns
1.46 matthew 2436: an array of words. If the keyword is not in the thesaurus, an empty array
2437: will be returned. The order of the words returned is determined by the
2438: database which holds them.
2439:
2440: Uses global $thesaurus_db_file.
2441:
2442: =cut
2443:
2444: ###############################################################
2445: sub get_related_words {
2446: my $keyword = shift;
2447: my %thesaurus_db;
2448: if (! -e $thesaurus_db_file) {
2449: &Apache::lonnet::logthis("Attempt to access $thesaurus_db_file ".
2450: "failed because the file does not exist");
2451: return ();
2452: }
2453: if (! tie(%thesaurus_db,'GDBM_File',
1.53 albertel 2454: $thesaurus_db_file,&GDBM_READER(),0640)){
1.46 matthew 2455: return ();
2456: }
2457: my @Words=();
1.429 www 2458: my $count=0;
1.46 matthew 2459: if (exists($thesaurus_db{$keyword})) {
1.356 albertel 2460: # The first element is the number of times
2461: # the word appears. We do not need it now.
1.429 www 2462: my (undef,@RelatedWords) = (split(/:/,$thesaurus_db{$keyword}));
2463: my (undef,$mostfrequentcount)=split(/\,/,$RelatedWords[0]);
2464: my $threshold=$mostfrequentcount/10;
2465: foreach my $possibleword (@RelatedWords) {
2466: my ($word,$wordcount)=split(/\,/,$possibleword);
2467: if ($wordcount>$threshold) {
2468: push(@Words,$word);
2469: $count++;
2470: if ($count>10) { last; }
2471: }
1.20 www 2472: }
2473: }
1.46 matthew 2474: untie %thesaurus_db;
2475: return @Words;
1.14 harris41 2476: }
1.46 matthew 2477:
1.112 bowersj2 2478: =pod
2479:
2480: =back
2481:
2482: =cut
1.61 www 2483:
2484: # -------------------------------------------------------------- Plaintext name
1.81 albertel 2485: =pod
2486:
1.112 bowersj2 2487: =head1 User Name Functions
2488:
2489: =over 4
2490:
1.648 raeburn 2491: =item * &plainname($uname,$udom,$first)
1.81 albertel 2492:
1.112 bowersj2 2493: Takes a users logon name and returns it as a string in
1.226 albertel 2494: "first middle last generation" form
2495: if $first is set to 'lastname' then it returns it as
2496: 'lastname generation, firstname middlename' if their is a lastname
1.81 albertel 2497:
2498: =cut
1.61 www 2499:
1.295 www 2500:
1.81 albertel 2501: ###############################################################
1.61 www 2502: sub plainname {
1.226 albertel 2503: my ($uname,$udom,$first)=@_;
1.537 albertel 2504: return if (!defined($uname) || !defined($udom));
1.295 www 2505: my %names=&getnames($uname,$udom);
1.226 albertel 2506: my $name=&Apache::lonnet::format_name($names{'firstname'},
2507: $names{'middlename'},
2508: $names{'lastname'},
2509: $names{'generation'},$first);
2510: $name=~s/^\s+//;
1.62 www 2511: $name=~s/\s+$//;
2512: $name=~s/\s+/ /g;
1.353 albertel 2513: if ($name !~ /\S/) { $name=$uname.':'.$udom; }
1.62 www 2514: return $name;
1.61 www 2515: }
1.66 www 2516:
2517: # -------------------------------------------------------------------- Nickname
1.81 albertel 2518: =pod
2519:
1.648 raeburn 2520: =item * &nickname($uname,$udom)
1.81 albertel 2521:
2522: Gets a users name and returns it as a string as
2523:
2524: ""nickname""
1.66 www 2525:
1.81 albertel 2526: if the user has a nickname or
2527:
2528: "first middle last generation"
2529:
2530: if the user does not
2531:
2532: =cut
1.66 www 2533:
2534: sub nickname {
2535: my ($uname,$udom)=@_;
1.537 albertel 2536: return if (!defined($uname) || !defined($udom));
1.295 www 2537: my %names=&getnames($uname,$udom);
1.68 albertel 2538: my $name=$names{'nickname'};
1.66 www 2539: if ($name) {
2540: $name='"'.$name.'"';
2541: } else {
2542: $name=$names{'firstname'}.' '.$names{'middlename'}.' '.
2543: $names{'lastname'}.' '.$names{'generation'};
2544: $name=~s/\s+$//;
2545: $name=~s/\s+/ /g;
2546: }
2547: return $name;
2548: }
2549:
1.295 www 2550: sub getnames {
2551: my ($uname,$udom)=@_;
1.537 albertel 2552: return if (!defined($uname) || !defined($udom));
1.433 albertel 2553: if ($udom eq 'public' && $uname eq 'public') {
2554: return ('lastname' => &mt('Public'));
2555: }
1.295 www 2556: my $id=$uname.':'.$udom;
2557: my ($names,$cached)=&Apache::lonnet::is_cached_new('namescache',$id);
2558: if ($cached) {
2559: return %{$names};
2560: } else {
2561: my %loadnames=&Apache::lonnet::get('environment',
2562: ['firstname','middlename','lastname','generation','nickname'],
2563: $udom,$uname);
2564: &Apache::lonnet::do_cache_new('namescache',$id,\%loadnames);
2565: return %loadnames;
2566: }
2567: }
1.61 www 2568:
1.542 raeburn 2569: # -------------------------------------------------------------------- getemails
1.648 raeburn 2570:
1.542 raeburn 2571: =pod
2572:
1.648 raeburn 2573: =item * &getemails($uname,$udom)
1.542 raeburn 2574:
2575: Gets a user's email information and returns it as a hash with keys:
2576: notification, critnotification, permanentemail
2577:
2578: For notification and critnotification, values are comma-separated lists
1.648 raeburn 2579: of e-mail addresses; for permanentemail, value is a single e-mail address.
1.542 raeburn 2580:
1.648 raeburn 2581:
1.542 raeburn 2582: =cut
2583:
1.648 raeburn 2584:
1.466 albertel 2585: sub getemails {
2586: my ($uname,$udom)=@_;
2587: if ($udom eq 'public' && $uname eq 'public') {
2588: return;
2589: }
1.467 www 2590: if (!$udom) { $udom=$env{'user.domain'}; }
2591: if (!$uname) { $uname=$env{'user.name'}; }
1.466 albertel 2592: my $id=$uname.':'.$udom;
2593: my ($names,$cached)=&Apache::lonnet::is_cached_new('emailscache',$id);
2594: if ($cached) {
2595: return %{$names};
2596: } else {
2597: my %loadnames=&Apache::lonnet::get('environment',
2598: ['notification','critnotification',
2599: 'permanentemail'],
2600: $udom,$uname);
2601: &Apache::lonnet::do_cache_new('emailscache',$id,\%loadnames);
2602: return %loadnames;
2603: }
2604: }
2605:
1.551 albertel 2606: sub flush_email_cache {
2607: my ($uname,$udom)=@_;
2608: if (!$udom) { $udom =$env{'user.domain'}; }
2609: if (!$uname) { $uname=$env{'user.name'}; }
2610: return if ($udom eq 'public' && $uname eq 'public');
2611: my $id=$uname.':'.$udom;
2612: &Apache::lonnet::devalidate_cache_new('emailscache',$id);
2613: }
2614:
1.61 www 2615: # ------------------------------------------------------------------ Screenname
1.81 albertel 2616:
2617: =pod
2618:
1.648 raeburn 2619: =item * &screenname($uname,$udom)
1.81 albertel 2620:
2621: Gets a users screenname and returns it as a string
2622:
2623: =cut
1.61 www 2624:
2625: sub screenname {
2626: my ($uname,$udom)=@_;
1.258 albertel 2627: if ($uname eq $env{'user.name'} &&
2628: $udom eq $env{'user.domain'}) {return $env{'environment.screenname'};}
1.212 albertel 2629: my %names=&Apache::lonnet::get('environment',['screenname'],$udom,$uname);
1.68 albertel 2630: return $names{'screenname'};
1.62 www 2631: }
2632:
1.212 albertel 2633:
1.62 www 2634: # ------------------------------------------------------------- Message Wrapper
2635:
2636: sub messagewrapper {
1.369 www 2637: my ($link,$username,$domain,$subject,$text)=@_;
1.62 www 2638: return
1.441 albertel 2639: '<a href="/adm/email?compose=individual&'.
2640: 'recname='.$username.'&recdom='.$domain.
2641: '&subject='.&escape($subject).'&text='.&escape($text).'" '.
1.200 matthew 2642: 'title="'.&mt('Send message').'">'.$link.'</a>';
1.74 www 2643: }
2644: # --------------------------------------------------------------- Notes Wrapper
2645:
2646: sub noteswrapper {
2647: my ($link,$un,$do)=@_;
2648: return
2649: "<a href='/adm/email?recordftf=retrieve&recname=$un&recdom=$do'>$link</a>";
1.62 www 2650: }
2651: # ------------------------------------------------------------- Aboutme Wrapper
2652:
2653: sub aboutmewrapper {
1.166 www 2654: my ($link,$username,$domain,$target)=@_;
1.447 raeburn 2655: if (!defined($username) && !defined($domain)) {
2656: return;
2657: }
1.205 www 2658: return '<a href="/adm/'.$domain.'/'.$username.'/aboutme"'.
1.454 banghart 2659: ($target?' target="$target"':'').' title="'.&mt("View this user's personal page").'">'.$link.'</a>';
1.62 www 2660: }
2661:
2662: # ------------------------------------------------------------ Syllabus Wrapper
2663:
2664:
2665: sub syllabuswrapper {
1.109 matthew 2666: my ($linktext,$coursedir,$domain,$fontcolor)=@_;
2667: if ($fontcolor) {
2668: $linktext='<font color="'.$fontcolor.'">'.$linktext.'</font>';
2669: }
1.208 matthew 2670: return qq{<a href="/public/$domain/$coursedir/syllabus">$linktext</a>};
1.61 www 2671: }
1.14 harris41 2672:
1.208 matthew 2673: sub track_student_link {
1.268 albertel 2674: my ($linktext,$sname,$sdom,$target,$start) = @_;
2675: my $link ="/adm/trackstudent?";
1.208 matthew 2676: my $title = 'View recent activity';
2677: if (defined($sname) && $sname !~ /^\s*$/ &&
2678: defined($sdom) && $sdom !~ /^\s*$/) {
1.268 albertel 2679: $link .= "selected_student=$sname:$sdom";
1.208 matthew 2680: $title .= ' of this student';
1.268 albertel 2681: }
1.208 matthew 2682: if (defined($target) && $target !~ /^\s*$/) {
2683: $target = qq{target="$target"};
2684: } else {
2685: $target = '';
2686: }
1.268 albertel 2687: if ($start) { $link.='&start='.$start; }
1.554 albertel 2688: $title = &mt($title);
2689: $linktext = &mt($linktext);
1.448 albertel 2690: return qq{<a href="$link" title="$title" $target>$linktext</a>}.
2691: &help_open_topic('View_recent_activity');
1.208 matthew 2692: }
2693:
1.508 www 2694: # ===================================================== Display a student photo
2695:
2696:
1.509 albertel 2697: sub student_image_tag {
1.508 www 2698: my ($domain,$user)=@_;
2699: my $imgsrc=&Apache::lonnet::studentphoto($domain,$user,'jpg');
2700: if (($imgsrc) && ($imgsrc ne '/adm/lonKaputt/lonlogo_broken.gif')) {
2701: return '<img src="'.$imgsrc.'" align="right" />';
2702: } else {
2703: return '';
2704: }
2705: }
2706:
1.112 bowersj2 2707: =pod
2708:
2709: =back
2710:
2711: =head1 Access .tab File Data
2712:
2713: =over 4
2714:
1.648 raeburn 2715: =item * &languageids()
1.112 bowersj2 2716:
2717: returns list of all language ids
2718:
2719: =cut
2720:
1.14 harris41 2721: sub languageids {
1.16 harris41 2722: return sort(keys(%language));
1.14 harris41 2723: }
2724:
1.112 bowersj2 2725: =pod
2726:
1.648 raeburn 2727: =item * &languagedescription()
1.112 bowersj2 2728:
2729: returns description of a specified language id
2730:
2731: =cut
2732:
1.14 harris41 2733: sub languagedescription {
1.125 www 2734: my $code=shift;
2735: return ($supported_language{$code}?'* ':'').
2736: $language{$code}.
1.126 www 2737: ($supported_language{$code}?' ('.&mt('interface available').')':'');
1.145 www 2738: }
2739:
2740: sub plainlanguagedescription {
2741: my $code=shift;
2742: return $language{$code};
2743: }
2744:
2745: sub supportedlanguagecode {
2746: my $code=shift;
2747: return $supported_language{$code};
1.97 www 2748: }
2749:
1.112 bowersj2 2750: =pod
2751:
1.648 raeburn 2752: =item * ©rightids()
1.112 bowersj2 2753:
2754: returns list of all copyrights
2755:
2756: =cut
2757:
2758: sub copyrightids {
2759: return sort(keys(%cprtag));
2760: }
2761:
2762: =pod
2763:
1.648 raeburn 2764: =item * ©rightdescription()
1.112 bowersj2 2765:
2766: returns description of a specified copyright id
2767:
2768: =cut
2769:
2770: sub copyrightdescription {
1.166 www 2771: return &mt($cprtag{shift(@_)});
1.112 bowersj2 2772: }
1.197 matthew 2773:
2774: =pod
2775:
1.648 raeburn 2776: =item * &source_copyrightids()
1.192 taceyjo1 2777:
2778: returns list of all source copyrights
2779:
2780: =cut
2781:
2782: sub source_copyrightids {
2783: return sort(keys(%scprtag));
2784: }
2785:
2786: =pod
2787:
1.648 raeburn 2788: =item * &source_copyrightdescription()
1.192 taceyjo1 2789:
2790: returns description of a specified source copyright id
2791:
2792: =cut
2793:
2794: sub source_copyrightdescription {
2795: return &mt($scprtag{shift(@_)});
2796: }
1.112 bowersj2 2797:
2798: =pod
2799:
1.648 raeburn 2800: =item * &filecategories()
1.112 bowersj2 2801:
2802: returns list of all file categories
2803:
2804: =cut
2805:
2806: sub filecategories {
2807: return sort(keys(%category_extensions));
2808: }
2809:
2810: =pod
2811:
1.648 raeburn 2812: =item * &filecategorytypes()
1.112 bowersj2 2813:
2814: returns list of file types belonging to a given file
2815: category
2816:
2817: =cut
2818:
2819: sub filecategorytypes {
1.356 albertel 2820: my ($cat) = @_;
2821: return @{$category_extensions{lc($cat)}};
1.112 bowersj2 2822: }
2823:
2824: =pod
2825:
1.648 raeburn 2826: =item * &fileembstyle()
1.112 bowersj2 2827:
2828: returns embedding style for a specified file type
2829:
2830: =cut
2831:
2832: sub fileembstyle {
2833: return $fe{lc(shift(@_))};
1.169 www 2834: }
2835:
1.351 www 2836: sub filemimetype {
2837: return $fm{lc(shift(@_))};
2838: }
2839:
1.169 www 2840:
2841: sub filecategoryselect {
2842: my ($name,$value)=@_;
1.189 matthew 2843: return &select_form($value,$name,
1.169 www 2844: '' => &mt('Any category'),
2845: map { $_,$_ } sort(keys(%category_extensions)));
1.112 bowersj2 2846: }
2847:
2848: =pod
2849:
1.648 raeburn 2850: =item * &filedescription()
1.112 bowersj2 2851:
2852: returns description for a specified file type
2853:
2854: =cut
2855:
2856: sub filedescription {
1.188 matthew 2857: my $file_description = $fd{lc(shift())};
2858: $file_description =~ s:([\[\]]):~$1:g;
2859: return &mt($file_description);
1.112 bowersj2 2860: }
2861:
2862: =pod
2863:
1.648 raeburn 2864: =item * &filedescriptionex()
1.112 bowersj2 2865:
2866: returns description for a specified file type with
2867: extra formatting
2868:
2869: =cut
2870:
2871: sub filedescriptionex {
2872: my $ex=shift;
1.188 matthew 2873: my $file_description = $fd{lc($ex)};
2874: $file_description =~ s:([\[\]]):~$1:g;
2875: return '.'.$ex.' '.&mt($file_description);
1.112 bowersj2 2876: }
2877:
2878: # End of .tab access
2879: =pod
2880:
2881: =back
2882:
2883: =cut
2884:
2885: # ------------------------------------------------------------------ File Types
2886: sub fileextensions {
2887: return sort(keys(%fe));
2888: }
2889:
1.97 www 2890: # ----------------------------------------------------------- Display Languages
2891: # returns a hash with all desired display languages
2892: #
2893:
2894: sub display_languages {
2895: my %languages=();
1.356 albertel 2896: foreach my $lang (&preferred_languages()) {
2897: $languages{$lang}=1;
1.97 www 2898: }
2899: &get_unprocessed_cgi($ENV{'QUERY_STRING'},['displaylanguage']);
1.258 albertel 2900: if ($env{'form.displaylanguage'}) {
1.356 albertel 2901: foreach my $lang (split(/\s*(\,|\;|\:)\s*/,$env{'form.displaylanguage'})) {
2902: $languages{$lang}=1;
1.97 www 2903: }
2904: }
2905: return %languages;
1.14 harris41 2906: }
2907:
1.117 www 2908: sub preferred_languages {
2909: my @languages=();
1.258 albertel 2910: if ($env{'course.'.$env{'request.course.id'}.'.languages'}) {
1.117 www 2911: @languages=(@languages,split(/\s*(\,|\;|\:)\s*/,
1.258 albertel 2912: $env{'course.'.$env{'request.course.id'}.'.languages'}));
1.177 www 2913: }
1.258 albertel 2914: if ($env{'environment.languages'}) {
1.459 albertel 2915: @languages=(@languages,
2916: split(/\s*(\,|\;|\:)\s*/,$env{'environment.languages'}));
1.118 www 2917: }
1.583 albertel 2918: my $browser=$ENV{'HTTP_ACCEPT_LANGUAGE'};
1.162 www 2919: if ($browser) {
1.583 albertel 2920: my @browser =
2921: map { (split(/\s*;\s*/,$_))[0] } (split(/\s*,\s*/,$browser));
2922: push(@languages,@browser);
1.162 www 2923: }
1.641 raeburn 2924:
2925: foreach my $domtype ($env{'user.domain'},$env{'request.role.domain'},
2926: $Apache::lonnet::perlvar{'lonDefDomain'}) {
2927: if ($domtype ne '') {
2928: my %domdefs = &Apache::lonnet::get_domain_defaults($domtype);
2929: if ($domdefs{'lang_def'} ne '') {
2930: push(@languages,$domdefs{'lang_def'});
2931: }
2932: }
1.118 www 2933: }
2934: # turn "en-ca" into "en-ca,en"
2935: my @genlanguages;
1.356 albertel 2936: foreach my $lang (@languages) {
2937: unless ($lang=~/\w/) { next; }
1.583 albertel 2938: push(@genlanguages,$lang);
1.356 albertel 2939: if ($lang=~/(\-|\_)/) {
2940: push(@genlanguages,(split(/(\-|\_)/,$lang))[0]);
1.118 www 2941: }
2942: }
1.583 albertel 2943: #uniqueify the languages list
2944: my %count;
2945: @genlanguages = map { $count{$_}++ == 0 ? $_ : () } @genlanguages;
1.118 www 2946: return @genlanguages;
1.117 www 2947: }
2948:
1.582 albertel 2949: sub languages {
2950: my ($possible_langs) = @_;
2951: my @preferred_langs = &preferred_languages();
2952: if (!ref($possible_langs)) {
2953: if( wantarray ) {
2954: return @preferred_langs;
2955: } else {
2956: return $preferred_langs[0];
2957: }
2958: }
2959: my %possibilities = map { $_ => 1 } (@$possible_langs);
2960: my @preferred_possibilities;
2961: foreach my $preferred_lang (@preferred_langs) {
2962: if (exists($possibilities{$preferred_lang})) {
2963: push(@preferred_possibilities, $preferred_lang);
2964: }
2965: }
2966: if( wantarray ) {
2967: return @preferred_possibilities;
2968: }
2969: return $preferred_possibilities[0];
2970: }
2971:
1.112 bowersj2 2972: ###############################################################
2973: ## Student Answer Attempts ##
2974: ###############################################################
2975:
2976: =pod
2977:
2978: =head1 Alternate Problem Views
2979:
2980: =over 4
2981:
1.648 raeburn 2982: =item * &get_previous_attempt($symb, $username, $domain, $course,
1.112 bowersj2 2983: $getattempt, $regexp, $gradesub)
2984:
2985: Return string with previous attempt on problem. Arguments:
2986:
2987: =over 4
2988:
2989: =item * $symb: Problem, including path
2990:
2991: =item * $username: username of the desired student
2992:
2993: =item * $domain: domain of the desired student
1.14 harris41 2994:
1.112 bowersj2 2995: =item * $course: Course ID
1.14 harris41 2996:
1.112 bowersj2 2997: =item * $getattempt: Leave blank for all attempts, otherwise put
2998: something
1.14 harris41 2999:
1.112 bowersj2 3000: =item * $regexp: if string matches this regexp, the string will be
3001: sent to $gradesub
1.14 harris41 3002:
1.112 bowersj2 3003: =item * $gradesub: routine that processes the string if it matches $regexp
1.14 harris41 3004:
1.112 bowersj2 3005: =back
1.14 harris41 3006:
1.112 bowersj2 3007: The output string is a table containing all desired attempts, if any.
1.16 harris41 3008:
1.112 bowersj2 3009: =cut
1.1 albertel 3010:
3011: sub get_previous_attempt {
1.43 ng 3012: my ($symb,$username,$domain,$course,$getattempt,$regexp,$gradesub)=@_;
1.1 albertel 3013: my $prevattempts='';
1.43 ng 3014: no strict 'refs';
1.1 albertel 3015: if ($symb) {
1.3 albertel 3016: my (%returnhash)=
3017: &Apache::lonnet::restore($symb,$course,$domain,$username);
1.1 albertel 3018: if ($returnhash{'version'}) {
3019: my %lasthash=();
3020: my $version;
3021: for ($version=1;$version<=$returnhash{'version'};$version++) {
1.356 albertel 3022: foreach my $key (sort(split(/\:/,$returnhash{$version.':keys'}))) {
3023: $lasthash{$key}=$returnhash{$version.':'.$key};
1.19 harris41 3024: }
1.1 albertel 3025: }
1.596 albertel 3026: $prevattempts=&start_data_table().&start_data_table_header_row();
3027: $prevattempts.='<th>'.&mt('History').'</th>';
1.356 albertel 3028: foreach my $key (sort(keys(%lasthash))) {
3029: my ($ign,@parts) = split(/\./,$key);
1.41 ng 3030: if ($#parts > 0) {
1.31 albertel 3031: my $data=$parts[-1];
3032: pop(@parts);
1.596 albertel 3033: $prevattempts.='<th>'.&mt('Part ').join('.',@parts).'<br />'.$data.' </th>';
1.31 albertel 3034: } else {
1.41 ng 3035: if ($#parts == 0) {
3036: $prevattempts.='<th>'.$parts[0].'</th>';
3037: } else {
3038: $prevattempts.='<th>'.$ign.'</th>';
3039: }
1.31 albertel 3040: }
1.16 harris41 3041: }
1.596 albertel 3042: $prevattempts.=&end_data_table_header_row();
1.40 ng 3043: if ($getattempt eq '') {
3044: for ($version=1;$version<=$returnhash{'version'};$version++) {
1.596 albertel 3045: $prevattempts.=&start_data_table_row().
3046: '<td>'.&mt('Transaction [_1]',$version).'</td>';
1.356 albertel 3047: foreach my $key (sort(keys(%lasthash))) {
1.581 albertel 3048: my $value = &format_previous_attempt_value($key,
3049: $returnhash{$version.':'.$key});
3050: $prevattempts.='<td>'.$value.' </td>';
1.40 ng 3051: }
1.596 albertel 3052: $prevattempts.=&end_data_table_row();
1.40 ng 3053: }
1.1 albertel 3054: }
1.596 albertel 3055: $prevattempts.=&start_data_table_row().'<td>'.&mt('Current').'</td>';
1.356 albertel 3056: foreach my $key (sort(keys(%lasthash))) {
1.581 albertel 3057: my $value = &format_previous_attempt_value($key,$lasthash{$key});
1.356 albertel 3058: if ($key =~/$regexp$/ && (defined &$gradesub)) {$value = &$gradesub($value)}
1.40 ng 3059: $prevattempts.='<td>'.$value.' </td>';
1.16 harris41 3060: }
1.596 albertel 3061: $prevattempts.= &end_data_table_row().&end_data_table();
1.1 albertel 3062: } else {
1.596 albertel 3063: $prevattempts=
3064: &start_data_table().&start_data_table_row().
3065: '<td>'.&mt('Nothing submitted - no attempts.').'</td>'.
3066: &end_data_table_row().&end_data_table();
1.1 albertel 3067: }
3068: } else {
1.596 albertel 3069: $prevattempts=
3070: &start_data_table().&start_data_table_row().
3071: '<td>'.&mt('No data.').'</td>'.
3072: &end_data_table_row().&end_data_table();
1.1 albertel 3073: }
1.10 albertel 3074: }
3075:
1.581 albertel 3076: sub format_previous_attempt_value {
3077: my ($key,$value) = @_;
3078: if ($key =~ /timestamp/) {
3079: $value = &Apache::lonlocal::locallocaltime($value);
3080: } elsif (ref($value) eq 'ARRAY') {
3081: $value = '('.join(', ', @{ $value }).')';
3082: } else {
3083: $value = &unescape($value);
3084: }
3085: return $value;
3086: }
3087:
3088:
1.107 albertel 3089: sub relative_to_absolute {
3090: my ($url,$output)=@_;
3091: my $parser=HTML::TokeParser->new(\$output);
3092: my $token;
3093: my $thisdir=$url;
3094: my @rlinks=();
3095: while ($token=$parser->get_token) {
3096: if ($token->[0] eq 'S') {
3097: if ($token->[1] eq 'a') {
3098: if ($token->[2]->{'href'}) {
3099: $rlinks[$#rlinks+1]=$token->[2]->{'href'};
3100: }
3101: } elsif ($token->[1] eq 'img' || $token->[1] eq 'embed' ) {
3102: $rlinks[$#rlinks+1]=$token->[2]->{'src'};
3103: } elsif ($token->[1] eq 'base') {
3104: $thisdir=$token->[2]->{'href'};
3105: }
3106: }
3107: }
3108: $thisdir=~s-/[^/]*$--;
1.356 albertel 3109: foreach my $link (@rlinks) {
3110: unless (($link=~/^http:\/\//i) ||
3111: ($link=~/^\//) ||
3112: ($link=~/^javascript:/i) ||
3113: ($link=~/^mailto:/i) ||
3114: ($link=~/^\#/)) {
3115: my $newlocation=&Apache::lonnet::hreflocation($thisdir,$link);
3116: $output=~s/(\"|\'|\=\s*)\Q$link\E(\"|\'|\s|\>)/$1$newlocation$2/;
1.107 albertel 3117: }
3118: }
3119: # -------------------------------------------------- Deal with Applet codebases
3120: $output=~s/(\<applet[^\>]+)(codebase\=[^\S\>]+)*([^\>]*)\>/$1.($2?$2:' codebase="'.$thisdir.'"').$3.'>'/gei;
3121: return $output;
3122: }
3123:
1.112 bowersj2 3124: =pod
3125:
1.648 raeburn 3126: =item * &get_student_view()
1.112 bowersj2 3127:
3128: show a snapshot of what student was looking at
3129:
3130: =cut
3131:
1.10 albertel 3132: sub get_student_view {
1.186 albertel 3133: my ($symb,$username,$domain,$courseid,$target,$moreenv) = @_;
1.114 www 3134: my ($map,$id,$feedurl) = &Apache::lonnet::decode_symb($symb);
1.186 albertel 3135: my (%form);
1.10 albertel 3136: my @elements=('symb','courseid','domain','username');
3137: foreach my $element (@elements) {
1.186 albertel 3138: $form{'grade_'.$element}=eval '$'.$element #'
1.10 albertel 3139: }
1.186 albertel 3140: if (defined($moreenv)) {
3141: %form=(%form,%{$moreenv});
3142: }
1.236 albertel 3143: if (defined($target)) { $form{'grade_target'} = $target; }
1.107 albertel 3144: $feedurl=&Apache::lonnet::clutter($feedurl);
1.650 www 3145: my ($userview,$response)=&Apache::lonnet::ssi_body($feedurl,%form);
1.11 albertel 3146: $userview=~s/\<body[^\>]*\>//gi;
3147: $userview=~s/\<\/body\>//gi;
3148: $userview=~s/\<html\>//gi;
3149: $userview=~s/\<\/html\>//gi;
3150: $userview=~s/\<head\>//gi;
3151: $userview=~s/\<\/head\>//gi;
3152: $userview=~s/action\s*\=/would_be_action\=/gi;
1.107 albertel 3153: $userview=&relative_to_absolute($feedurl,$userview);
1.650 www 3154: if (wantarray) {
3155: return ($userview,$response);
3156: } else {
3157: return $userview;
3158: }
3159: }
3160:
3161: sub get_student_view_with_retries {
3162: my ($symb,$retries,$username,$domain,$courseid,$target,$moreenv) = @_;
3163:
3164: my $ok = 0; # True if we got a good response.
3165: my $content;
3166: my $response;
3167:
3168: # Try to get the student_view done. within the retries count:
3169:
3170: do {
3171: ($content, $response) = &get_student_view($symb,$username,$domain,$courseid,$target,$moreenv);
3172: $ok = $response->is_success;
3173: if (!$ok) {
3174: &Apache::lonnet::logthis("Failed get_student_view_with_retries on $symb: ".$response->is_success.', '.$response->code.', '.$response->message);
3175: }
3176: $retries--;
3177: } while (!$ok && ($retries > 0));
3178:
3179: if (!$ok) {
3180: $content = ''; # On error return an empty content.
3181: }
1.651 www 3182: if (wantarray) {
3183: return ($content, $response);
3184: } else {
3185: return $content;
3186: }
1.11 albertel 3187: }
3188:
1.112 bowersj2 3189: =pod
3190:
1.648 raeburn 3191: =item * &get_student_answers()
1.112 bowersj2 3192:
3193: show a snapshot of how student was answering problem
3194:
3195: =cut
3196:
1.11 albertel 3197: sub get_student_answers {
1.100 sakharuk 3198: my ($symb,$username,$domain,$courseid,%form) = @_;
1.114 www 3199: my ($map,$id,$feedurl) = &Apache::lonnet::decode_symb($symb);
1.186 albertel 3200: my (%moreenv);
1.11 albertel 3201: my @elements=('symb','courseid','domain','username');
3202: foreach my $element (@elements) {
1.186 albertel 3203: $moreenv{'grade_'.$element}=eval '$'.$element #'
1.10 albertel 3204: }
1.186 albertel 3205: $moreenv{'grade_target'}='answer';
3206: %moreenv=(%form,%moreenv);
1.497 raeburn 3207: $feedurl = &Apache::lonnet::clutter($feedurl);
3208: my $userview=&Apache::lonnet::ssi($feedurl,%moreenv);
1.10 albertel 3209: return $userview;
1.1 albertel 3210: }
1.116 albertel 3211:
3212: =pod
3213:
3214: =item * &submlink()
3215:
1.242 albertel 3216: Inputs: $text $uname $udom $symb $target
1.116 albertel 3217:
3218: Returns: A link to grades.pm such as to see the SUBM view of a student
3219:
3220: =cut
3221:
3222: ###############################################
3223: sub submlink {
1.242 albertel 3224: my ($text,$uname,$udom,$symb,$target)=@_;
1.116 albertel 3225: if (!($uname && $udom)) {
3226: (my $cursymb, my $courseid,$udom,$uname)=
1.463 albertel 3227: &Apache::lonnet::whichuser($symb);
1.116 albertel 3228: if (!$symb) { $symb=$cursymb; }
3229: }
1.254 matthew 3230: if (!$symb) { $symb=&Apache::lonnet::symbread(); }
1.369 www 3231: $symb=&escape($symb);
1.242 albertel 3232: if ($target) { $target="target=\"$target\""; }
3233: return '<a href="/adm/grades?&command=submission&'.
3234: 'symb='.$symb.'&student='.$uname.
3235: '&userdom='.$udom.'" '.$target.'>'.$text.'</a>';
3236: }
3237: ##############################################
3238:
3239: =pod
3240:
3241: =item * &pgrdlink()
3242:
3243: Inputs: $text $uname $udom $symb $target
3244:
3245: Returns: A link to grades.pm such as to see the PGRD view of a student
3246:
3247: =cut
3248:
3249: ###############################################
3250: sub pgrdlink {
3251: my $link=&submlink(@_);
3252: $link=~s/(&command=submission)/$1&showgrading=yes/;
3253: return $link;
3254: }
3255: ##############################################
3256:
3257: =pod
3258:
3259: =item * &pprmlink()
3260:
3261: Inputs: $text $uname $udom $symb $target
3262:
3263: Returns: A link to parmset.pm such as to see the PPRM view of a
1.283 albertel 3264: student and a specific resource
1.242 albertel 3265:
3266: =cut
3267:
3268: ###############################################
3269: sub pprmlink {
3270: my ($text,$uname,$udom,$symb,$target)=@_;
3271: if (!($uname && $udom)) {
3272: (my $cursymb, my $courseid,$udom,$uname)=
1.463 albertel 3273: &Apache::lonnet::whichuser($symb);
1.242 albertel 3274: if (!$symb) { $symb=$cursymb; }
3275: }
1.254 matthew 3276: if (!$symb) { $symb=&Apache::lonnet::symbread(); }
1.369 www 3277: $symb=&escape($symb);
1.242 albertel 3278: if ($target) { $target="target=\"$target\""; }
1.595 albertel 3279: return '<a href="/adm/parmset?command=set&'.
3280: 'symb='.$symb.'&uname='.$uname.
3281: '&udom='.$udom.'" '.$target.'>'.$text.'</a>';
1.116 albertel 3282: }
3283: ##############################################
1.37 matthew 3284:
1.112 bowersj2 3285: =pod
3286:
3287: =back
3288:
3289: =cut
3290:
1.37 matthew 3291: ###############################################
1.51 www 3292:
3293:
3294: sub timehash {
3295: my @ltime=localtime(shift);
3296: return ( 'seconds' => $ltime[0],
3297: 'minutes' => $ltime[1],
3298: 'hours' => $ltime[2],
3299: 'day' => $ltime[3],
3300: 'month' => $ltime[4]+1,
3301: 'year' => $ltime[5]+1900,
3302: 'weekday' => $ltime[6],
3303: 'dayyear' => $ltime[7]+1,
3304: 'dlsav' => $ltime[8] );
3305: }
3306:
1.370 www 3307: sub utc_string {
3308: my ($date)=@_;
1.371 www 3309: return strftime("%Y%m%dT%H%M%SZ",gmtime($date));
1.370 www 3310: }
3311:
1.51 www 3312: sub maketime {
3313: my %th=@_;
3314: return POSIX::mktime(
3315: ($th{'seconds'},$th{'minutes'},$th{'hours'},
1.210 www 3316: $th{'day'},$th{'month'}-1,$th{'year'}-1900,0,0,-1));
1.70 www 3317: }
3318:
3319: #########################################
1.51 www 3320:
3321: sub findallcourses {
1.482 raeburn 3322: my ($roles,$uname,$udom) = @_;
1.355 albertel 3323: my %roles;
3324: if (ref($roles)) { %roles = map { $_ => 1 } @{$roles}; }
1.348 albertel 3325: my %courses;
1.51 www 3326: my $now=time;
1.482 raeburn 3327: if (!defined($uname)) {
3328: $uname = $env{'user.name'};
3329: }
3330: if (!defined($udom)) {
3331: $udom = $env{'user.domain'};
3332: }
3333: if (($uname ne $env{'user.name'}) || ($udom ne $env{'user.domain'})) {
3334: my %roleshash = &Apache::lonnet::dump('roles',$udom,$uname);
3335: if (!%roles) {
3336: %roles = (
3337: cc => 1,
3338: in => 1,
3339: ep => 1,
3340: ta => 1,
3341: cr => 1,
3342: st => 1,
3343: );
3344: }
3345: foreach my $entry (keys(%roleshash)) {
3346: my ($trole,$tend,$tstart) = split(/_/,$roleshash{$entry});
3347: if ($trole =~ /^cr/) {
3348: next if (!exists($roles{$trole}) && !exists($roles{'cr'}));
3349: } else {
3350: next if (!exists($roles{$trole}));
3351: }
3352: if ($tend) {
3353: next if ($tend < $now);
3354: }
3355: if ($tstart) {
3356: next if ($tstart > $now);
3357: }
3358: my ($cdom,$cnum,$sec,$cnumpart,$secpart,$role,$realsec);
3359: (undef,$cdom,$cnumpart,$secpart) = split(/\//,$entry);
3360: if ($secpart eq '') {
3361: ($cnum,$role) = split(/_/,$cnumpart);
3362: $sec = 'none';
3363: $realsec = '';
3364: } else {
3365: $cnum = $cnumpart;
3366: ($sec,$role) = split(/_/,$secpart);
3367: $realsec = $sec;
1.490 raeburn 3368: }
1.482 raeburn 3369: $courses{$cdom.'_'.$cnum}{$sec} = $trole.'/'.$cdom.'/'.$cnum.'/'.$realsec;
3370: }
3371: } else {
3372: foreach my $key (keys(%env)) {
1.483 albertel 3373: if ( $key=~m{^user\.role\.(\w+)\./($match_domain)/($match_courseid)/?(\w*)$} ||
3374: $key=~m{^user\.role\.(cr/$match_domain/$match_username/\w+)\./($match_domain)/($match_courseid)/?(\w*)$}) {
1.482 raeburn 3375: my ($role,$cdom,$cnum,$sec) = ($1,$2,$3,$4);
3376: next if ($role eq 'ca' || $role eq 'aa');
3377: next if (%roles && !exists($roles{$role}));
3378: my ($starttime,$endtime)=split(/\./,$env{$key});
3379: my $active=1;
3380: if ($starttime) {
3381: if ($now<$starttime) { $active=0; }
3382: }
3383: if ($endtime) {
3384: if ($now>$endtime) { $active=0; }
3385: }
3386: if ($active) {
3387: if ($sec eq '') {
3388: $sec = 'none';
3389: }
3390: $courses{$cdom.'_'.$cnum}{$sec} =
3391: $role.'/'.$cdom.'/'.$cnum.'/'.$sec;
1.474 raeburn 3392: }
3393: }
1.51 www 3394: }
3395: }
1.474 raeburn 3396: return %courses;
1.51 www 3397: }
1.37 matthew 3398:
1.54 www 3399: ###############################################
1.474 raeburn 3400:
3401: sub blockcheck {
1.482 raeburn 3402: my ($setters,$activity,$uname,$udom) = @_;
1.490 raeburn 3403:
3404: if (!defined($udom)) {
3405: $udom = $env{'user.domain'};
3406: }
3407: if (!defined($uname)) {
3408: $uname = $env{'user.name'};
3409: }
3410:
3411: # If uname and udom are for a course, check for blocks in the course.
3412:
3413: if (&Apache::lonnet::is_course($udom,$uname)) {
3414: my %records = &Apache::lonnet::dump('comm_block',$udom,$uname);
1.502 raeburn 3415: my ($startblock,$endblock)=&get_blocks($setters,$activity,$udom,$uname);
1.490 raeburn 3416: return ($startblock,$endblock);
3417: }
1.474 raeburn 3418:
1.502 raeburn 3419: my $startblock = 0;
3420: my $endblock = 0;
1.482 raeburn 3421: my %live_courses = &findallcourses(undef,$uname,$udom);
1.474 raeburn 3422:
1.490 raeburn 3423: # If uname is for a user, and activity is course-specific, i.e.,
3424: # boards, chat or groups, check for blocking in current course only.
1.474 raeburn 3425:
1.490 raeburn 3426: if (($activity eq 'boards' || $activity eq 'chat' ||
3427: $activity eq 'groups') && ($env{'request.course.id'})) {
3428: foreach my $key (keys(%live_courses)) {
3429: if ($key ne $env{'request.course.id'}) {
3430: delete($live_courses{$key});
3431: }
3432: }
3433: }
3434:
3435: my $otheruser = 0;
3436: my %own_courses;
3437: if ((($uname ne $env{'user.name'})) || ($udom ne $env{'user.domain'})) {
3438: # Resource belongs to user other than current user.
3439: $otheruser = 1;
3440: # Gather courses for current user
3441: %own_courses =
3442: &findallcourses(undef,$env{'user.name'},$env{'user.domain'});
3443: }
3444:
3445: # Gather active course roles - course coordinator, instructor,
3446: # exam proctor, ta, student, or custom role.
1.474 raeburn 3447:
3448: foreach my $course (keys(%live_courses)) {
1.482 raeburn 3449: my ($cdom,$cnum);
3450: if ((defined($env{'course.'.$course.'.domain'})) && (defined($env{'course.'.$course.'.num'}))) {
3451: $cdom = $env{'course.'.$course.'.domain'};
3452: $cnum = $env{'course.'.$course.'.num'};
3453: } else {
1.490 raeburn 3454: ($cdom,$cnum) = split(/_/,$course);
1.482 raeburn 3455: }
3456: my $no_ownblock = 0;
3457: my $no_userblock = 0;
1.533 raeburn 3458: if ($otheruser && $activity ne 'com') {
1.490 raeburn 3459: # Check if current user has 'evb' priv for this
3460: if (defined($own_courses{$course})) {
3461: foreach my $sec (keys(%{$own_courses{$course}})) {
3462: my $checkrole = 'cm./'.$cdom.'/'.$cnum;
3463: if ($sec ne 'none') {
3464: $checkrole .= '/'.$sec;
3465: }
3466: if (&Apache::lonnet::allowed('evb',undef,undef,$checkrole)) {
3467: $no_ownblock = 1;
3468: last;
3469: }
3470: }
3471: }
3472: # if they have 'evb' priv and are currently not playing student
3473: next if (($no_ownblock) &&
3474: ($env{'request.role'} !~ m{^st\./$cdom/$cnum}));
3475: }
1.474 raeburn 3476: foreach my $sec (keys(%{$live_courses{$course}})) {
1.482 raeburn 3477: my $checkrole = 'cm./'.$cdom.'/'.$cnum;
1.474 raeburn 3478: if ($sec ne 'none') {
1.482 raeburn 3479: $checkrole .= '/'.$sec;
1.474 raeburn 3480: }
1.490 raeburn 3481: if ($otheruser) {
3482: # Resource belongs to user other than current user.
3483: # Assemble privs for that user, and check for 'evb' priv.
1.482 raeburn 3484: my ($trole,$tdom,$tnum,$tsec);
3485: my $entry = $live_courses{$course}{$sec};
3486: if ($entry =~ /^cr/) {
3487: ($trole,$tdom,$tnum,$tsec) =
3488: ($entry =~ m|^(cr/$match_domain/$match_username/\w+)\./($match_domain)/($match_username)/?(\w*)$|);
3489: } else {
3490: ($trole,$tdom,$tnum,$tsec) = split(/\//,$entry);
3491: }
3492: my ($spec,$area,$trest,%allroles,%userroles);
3493: $area = '/'.$tdom.'/'.$tnum;
3494: $trest = $tnum;
3495: if ($tsec ne '') {
3496: $area .= '/'.$tsec;
3497: $trest .= '/'.$tsec;
3498: }
3499: $spec = $trole.'.'.$area;
3500: if ($trole =~ /^cr/) {
3501: &Apache::lonnet::custom_roleprivs(\%allroles,$trole,
3502: $tdom,$spec,$trest,$area);
3503: } else {
3504: &Apache::lonnet::standard_roleprivs(\%allroles,$trole,
3505: $tdom,$spec,$trest,$area);
3506: }
3507: my ($author,$adv) = &Apache::lonnet::set_userprivs(\%userroles,\%allroles);
1.486 raeburn 3508: if ($userroles{'user.priv.'.$checkrole} =~ /evb\&([^\:]*)/) {
3509: if ($1) {
3510: $no_userblock = 1;
3511: last;
3512: }
3513: }
1.490 raeburn 3514: } else {
3515: # Resource belongs to current user
3516: # Check for 'evb' priv via lonnet::allowed().
1.482 raeburn 3517: if (&Apache::lonnet::allowed('evb',undef,undef,$checkrole)) {
3518: $no_ownblock = 1;
3519: last;
3520: }
1.474 raeburn 3521: }
3522: }
3523: # if they have the evb priv and are currently not playing student
1.482 raeburn 3524: next if (($no_ownblock) &&
1.491 albertel 3525: ($env{'request.role'} !~ m{^st\./\Q$cdom\E/\Q$cnum\E}));
1.482 raeburn 3526: next if ($no_userblock);
1.474 raeburn 3527:
1.490 raeburn 3528: # Retrieve blocking times and identity of blocker for course
3529: # of specified user, unless user has 'evb' privilege.
1.502 raeburn 3530:
3531: my ($start,$end)=&get_blocks($setters,$activity,$cdom,$cnum);
3532: if (($start != 0) &&
3533: (($startblock == 0) || ($startblock > $start))) {
3534: $startblock = $start;
3535: }
3536: if (($end != 0) &&
3537: (($endblock == 0) || ($endblock < $end))) {
3538: $endblock = $end;
3539: }
1.490 raeburn 3540: }
3541: return ($startblock,$endblock);
3542: }
3543:
3544: sub get_blocks {
3545: my ($setters,$activity,$cdom,$cnum) = @_;
3546: my $startblock = 0;
3547: my $endblock = 0;
3548: my $course = $cdom.'_'.$cnum;
3549: $setters->{$course} = {};
3550: $setters->{$course}{'staff'} = [];
3551: $setters->{$course}{'times'} = [];
3552: my %records = &Apache::lonnet::dump('comm_block',$cdom,$cnum);
3553: foreach my $record (keys(%records)) {
3554: my ($start,$end) = ($record =~ m/^(\d+)____(\d+)$/);
3555: if ($start <= time && $end >= time) {
3556: my ($staff_name,$staff_dom,$title,$blocks) =
3557: &parse_block_record($records{$record});
3558: if ($blocks->{$activity} eq 'on') {
3559: push(@{$$setters{$course}{'staff'}},[$staff_name,$staff_dom]);
3560: push(@{$$setters{$course}{'times'}}, [$start,$end]);
1.491 albertel 3561: if ( ($startblock == 0) || ($startblock > $start) ) {
3562: $startblock = $start;
1.490 raeburn 3563: }
1.491 albertel 3564: if ( ($endblock == 0) || ($endblock < $end) ) {
3565: $endblock = $end;
1.474 raeburn 3566: }
3567: }
3568: }
3569: }
3570: return ($startblock,$endblock);
3571: }
3572:
3573: sub parse_block_record {
3574: my ($record) = @_;
3575: my ($setuname,$setudom,$title,$blocks);
3576: if (ref($record) eq 'HASH') {
3577: ($setuname,$setudom) = split(/:/,$record->{'setter'});
3578: $title = &unescape($record->{'event'});
3579: $blocks = $record->{'blocks'};
3580: } else {
3581: my @data = split(/:/,$record,3);
3582: if (scalar(@data) eq 2) {
3583: $title = $data[1];
3584: ($setuname,$setudom) = split(/@/,$data[0]);
3585: } else {
3586: ($setuname,$setudom,$title) = @data;
3587: }
3588: $blocks = { 'com' => 'on' };
3589: }
3590: return ($setuname,$setudom,$title,$blocks);
3591: }
3592:
3593: sub build_block_table {
3594: my ($startblock,$endblock,$setters) = @_;
3595: my %lt = &Apache::lonlocal::texthash(
3596: 'cacb' => 'Currently active communication blocks',
3597: 'cour' => 'Course',
3598: 'dura' => 'Duration',
3599: 'blse' => 'Block set by'
3600: );
3601: my $output;
1.476 raeburn 3602: $output = '<br />'.$lt{'cacb'}.':<br />';
1.474 raeburn 3603: $output .= &start_data_table();
3604: $output .= '
3605: <tr>
3606: <th>'.$lt{'cour'}.'</th>
3607: <th>'.$lt{'dura'}.'</th>
3608: <th>'.$lt{'blse'}.'</th>
3609: </tr>
3610: ';
3611: foreach my $course (keys(%{$setters})) {
3612: my %courseinfo=&Apache::lonnet::coursedescription($course);
3613: for (my $i=0; $i<@{$$setters{$course}{staff}}; $i++) {
3614: my ($uname,$udom) = @{$$setters{$course}{staff}[$i]};
1.490 raeburn 3615: my $fullname = &plainname($uname,$udom);
3616: if (defined($env{'user.name'}) && defined($env{'user.domain'})
3617: && $env{'user.name'} ne 'public'
3618: && $env{'user.domain'} ne 'public') {
3619: $fullname = &aboutmewrapper($fullname,$uname,$udom);
3620: }
1.474 raeburn 3621: my ($openblock,$closeblock) = @{$$setters{$course}{times}[$i]};
3622: $openblock = &Apache::lonlocal::locallocaltime($openblock);
3623: $closeblock= &Apache::lonlocal::locallocaltime($closeblock);
3624: $output .= &Apache::loncommon::start_data_table_row().
3625: '<td>'.$courseinfo{'description'}.'</td>'.
3626: '<td>'.$openblock.' to '.$closeblock.'</td>'.
1.490 raeburn 3627: '<td>'.$fullname.'</td>'.
1.474 raeburn 3628: &Apache::loncommon::end_data_table_row();
3629: }
3630: }
3631: $output .= &end_data_table();
3632: }
3633:
1.490 raeburn 3634: sub blocking_status {
3635: my ($activity,$uname,$udom) = @_;
3636: my %setters;
3637: my ($blocked,$output,$ownitem,$is_course);
3638: my ($startblock,$endblock)=&blockcheck(\%setters,$activity,$uname,$udom);
3639: if ($startblock && $endblock) {
3640: $blocked = 1;
3641: if (wantarray) {
3642: my $category;
3643: if ($activity eq 'boards') {
3644: $category = 'Discussion posts in this course';
3645: } elsif ($activity eq 'blogs') {
3646: $category = 'Blogs';
3647: } elsif ($activity eq 'port') {
3648: if (defined($uname) && defined($udom)) {
3649: if ($uname eq $env{'user.name'} &&
3650: $udom eq $env{'user.domain'}) {
3651: $ownitem = 1;
3652: }
3653: }
3654: $is_course = &Apache::lonnet::is_course($udom,$uname);
3655: if ($ownitem) {
3656: $category = 'Your portfolio files';
3657: } elsif ($is_course) {
3658: my $coursedesc;
3659: foreach my $course (keys(%setters)) {
3660: my %courseinfo =
3661: &Apache::lonnet::coursedescription($course);
3662: $coursedesc = $courseinfo{'description'};
3663: }
3664: $category = "Group files in the course '$coursedesc'";
3665: } else {
3666: $category = 'Portfolio files belonging to ';
3667: if ($env{'user.name'} eq 'public' &&
3668: $env{'user.domain'} eq 'public') {
3669: $category .= &plainname($uname,$udom);
3670: } else {
3671: $category .= &aboutmewrapper(&plainname($uname,$udom),$uname,$udom);
3672: }
3673: }
3674: } elsif ($activity eq 'groups') {
3675: $category = 'Groups in this course';
3676: }
3677: my $showstart = &Apache::lonlocal::locallocaltime($startblock);
3678: my $showend = &Apache::lonlocal::locallocaltime($endblock);
3679: $output = '<br />'.&mt('[_1] will be inaccessible between [_2] and [_3] because communication is being blocked.',$category,$showstart,$showend).'<br />';
3680: if (!($activity eq 'port' && !($ownitem) && !($is_course))) {
3681: $output .= &build_block_table($startblock,$endblock,\%setters);
3682: }
3683: }
3684: }
3685: if (wantarray) {
3686: return ($blocked,$output);
3687: } else {
3688: return $blocked;
3689: }
3690: }
3691:
1.60 matthew 3692: ###############################################
3693:
3694: =pod
3695:
1.112 bowersj2 3696: =head1 Domain Template Functions
3697:
3698: =over 4
3699:
3700: =item * &determinedomain()
1.60 matthew 3701:
3702: Inputs: $domain (usually will be undef)
3703:
1.63 www 3704: Returns: Determines which domain should be used for designs
1.60 matthew 3705:
3706: =cut
1.54 www 3707:
1.60 matthew 3708: ###############################################
1.63 www 3709: sub determinedomain {
3710: my $domain=shift;
1.531 albertel 3711: if (! $domain) {
1.60 matthew 3712: # Determine domain if we have not been given one
3713: $domain = $Apache::lonnet::perlvar{'lonDefDomain'};
1.258 albertel 3714: if ($env{'user.domain'}) { $domain=$env{'user.domain'}; }
3715: if ($env{'request.role.domain'}) {
3716: $domain=$env{'request.role.domain'};
1.60 matthew 3717: }
3718: }
1.63 www 3719: return $domain;
3720: }
3721: ###############################################
1.517 raeburn 3722:
1.518 albertel 3723: sub devalidate_domconfig_cache {
3724: my ($udom)=@_;
3725: &Apache::lonnet::devalidate_cache_new('domainconfig',$udom);
3726: }
3727:
3728: # ---------------------- Get domain configuration for a domain
3729: sub get_domainconf {
3730: my ($udom) = @_;
3731: my $cachetime=1800;
3732: my ($result,$cached)=&Apache::lonnet::is_cached_new('domainconfig',$udom);
3733: if (defined($cached)) { return %{$result}; }
3734:
3735: my %domconfig = &Apache::lonnet::get_dom('configuration',
3736: ['login','rolecolors'],$udom);
1.632 raeburn 3737: my (%designhash,%legacy);
1.518 albertel 3738: if (keys(%domconfig) > 0) {
3739: if (ref($domconfig{'login'}) eq 'HASH') {
1.632 raeburn 3740: if (keys(%{$domconfig{'login'}})) {
3741: foreach my $key (keys(%{$domconfig{'login'}})) {
3742: $designhash{$udom.'.login.'.$key}=$domconfig{'login'}{$key};
3743: }
3744: } else {
3745: $legacy{'login'} = 1;
1.518 albertel 3746: }
1.632 raeburn 3747: } else {
3748: $legacy{'login'} = 1;
1.518 albertel 3749: }
3750: if (ref($domconfig{'rolecolors'}) eq 'HASH') {
1.632 raeburn 3751: if (keys(%{$domconfig{'rolecolors'}})) {
3752: foreach my $role (keys(%{$domconfig{'rolecolors'}})) {
3753: if (ref($domconfig{'rolecolors'}{$role}) eq 'HASH') {
3754: foreach my $item (keys(%{$domconfig{'rolecolors'}{$role}})) {
3755: $designhash{$udom.'.'.$role.'.'.$item}=$domconfig{'rolecolors'}{$role}{$item};
3756: }
1.518 albertel 3757: }
3758: }
1.632 raeburn 3759: } else {
3760: $legacy{'rolecolors'} = 1;
1.518 albertel 3761: }
1.632 raeburn 3762: } else {
3763: $legacy{'rolecolors'} = 1;
1.518 albertel 3764: }
1.632 raeburn 3765: if (keys(%legacy) > 0) {
3766: my %legacyhash = &get_legacy_domconf($udom);
3767: foreach my $item (keys(%legacyhash)) {
3768: if ($item =~ /^\Q$udom\E\.login/) {
3769: if ($legacy{'login'}) {
3770: $designhash{$item} = $legacyhash{$item};
3771: }
3772: } else {
3773: if ($legacy{'rolecolors'}) {
3774: $designhash{$item} = $legacyhash{$item};
3775: }
1.518 albertel 3776: }
3777: }
3778: }
1.632 raeburn 3779: } else {
3780: %designhash = &get_legacy_domconf($udom);
1.518 albertel 3781: }
3782: &Apache::lonnet::do_cache_new('domainconfig',$udom,\%designhash,
3783: $cachetime);
3784: return %designhash;
3785: }
3786:
1.632 raeburn 3787: sub get_legacy_domconf {
3788: my ($udom) = @_;
3789: my %legacyhash;
3790: my $designdir=$Apache::lonnet::perlvar{'lonTabDir'}.'/lonDomColors';
3791: my $designfile = $designdir.'/'.$udom.'.tab';
3792: if (-e $designfile) {
3793: if ( open (my $fh,"<$designfile") ) {
3794: while (my $line = <$fh>) {
3795: next if ($line =~ /^\#/);
3796: chomp($line);
3797: my ($key,$val)=(split(/\=/,$line));
3798: if ($val) { $legacyhash{$udom.'.'.$key}=$val; }
3799: }
3800: close($fh);
3801: }
3802: }
3803: if (-e '/home/httpd/html/adm/lonDomLogos/'.$udom.'.gif') {
3804: $legacyhash{$udom.'.login.domlogo'} = "/adm/lonDomLogos/$udom.gif";
3805: }
3806: return %legacyhash;
3807: }
3808:
1.63 www 3809: =pod
3810:
1.112 bowersj2 3811: =item * &domainlogo()
1.63 www 3812:
3813: Inputs: $domain (usually will be undef)
3814:
3815: Returns: A link to a domain logo, if the domain logo exists.
3816: If the domain logo does not exist, a description of the domain.
3817:
3818: =cut
1.112 bowersj2 3819:
1.63 www 3820: ###############################################
3821: sub domainlogo {
1.517 raeburn 3822: my $domain = &determinedomain(shift);
1.518 albertel 3823: my %designhash = &get_domainconf($domain);
1.517 raeburn 3824: # See if there is a logo
3825: if ($designhash{$domain.'.login.domlogo'} ne '') {
1.519 raeburn 3826: my $imgsrc = $designhash{$domain.'.login.domlogo'};
1.538 albertel 3827: if ($imgsrc =~ m{^/(adm|res)/}) {
3828: if ($imgsrc =~ m{^/res/}) {
3829: my $local_name = &Apache::lonnet::filelocation('',$imgsrc);
3830: &Apache::lonnet::repcopy($local_name);
3831: }
3832: $imgsrc = &lonhttpdurl($imgsrc);
1.519 raeburn 3833: }
3834: return '<img src="'.$imgsrc.'" alt="'.$domain.'" />';
1.514 albertel 3835: } elsif (defined(&Apache::lonnet::domain($domain,'description'))) {
3836: return &Apache::lonnet::domain($domain,'description');
1.59 www 3837: } else {
1.60 matthew 3838: return '';
1.59 www 3839: }
3840: }
1.63 www 3841: ##############################################
3842:
3843: =pod
3844:
1.112 bowersj2 3845: =item * &designparm()
1.63 www 3846:
3847: Inputs: $which parameter; $domain (usually will be undef)
3848:
3849: Returns: value of designparamter $which
3850:
3851: =cut
1.112 bowersj2 3852:
1.397 albertel 3853:
1.400 albertel 3854: ##############################################
1.397 albertel 3855: sub designparm {
3856: my ($which,$domain)=@_;
1.258 albertel 3857: if ($env{'browser.blackwhite'} eq 'on') {
1.635 raeburn 3858: if ($which=~/\.(font|alink|vlink|link|textcol)$/) {
1.110 www 3859: return '#000000';
3860: }
1.635 raeburn 3861: if ($which=~/\.(pgbg|sidebg|bgcol)$/) {
1.110 www 3862: return '#FFFFFF';
3863: }
3864: if ($which=~/\.tabbg$/) {
3865: return '#CCCCCC';
3866: }
3867: }
1.397 albertel 3868: if (exists($env{'environment.color.'.$which})) {
1.258 albertel 3869: return $env{'environment.color.'.$which};
1.96 www 3870: }
1.63 www 3871: $domain=&determinedomain($domain);
1.518 albertel 3872: my %domdesign = &get_domainconf($domain);
1.520 raeburn 3873: my $output;
1.517 raeburn 3874: if ($domdesign{$domain.'.'.$which} ne '') {
1.520 raeburn 3875: $output = $domdesign{$domain.'.'.$which};
1.63 www 3876: } else {
1.520 raeburn 3877: $output = $defaultdesign{$which};
3878: }
3879: if (($which =~ /^(student|coordinator|author|admin)\.img$/) ||
1.635 raeburn 3880: ($which =~ /login\.(img|logo|domlogo|login)/)) {
1.538 albertel 3881: if ($output =~ m{^/(adm|res)/}) {
3882: if ($output =~ m{^/res/}) {
3883: my $local_name = &Apache::lonnet::filelocation('',$output);
3884: &Apache::lonnet::repcopy($local_name);
3885: }
1.520 raeburn 3886: $output = &lonhttpdurl($output);
3887: }
1.63 www 3888: }
1.520 raeburn 3889: return $output;
1.63 www 3890: }
1.59 www 3891:
1.60 matthew 3892: ###############################################
3893: ###############################################
3894:
3895: =pod
3896:
1.112 bowersj2 3897: =back
3898:
1.549 albertel 3899: =head1 HTML Helpers
1.112 bowersj2 3900:
3901: =over 4
3902:
3903: =item * &bodytag()
1.60 matthew 3904:
3905: Returns a uniform header for LON-CAPA web pages.
3906:
3907: Inputs:
3908:
1.112 bowersj2 3909: =over 4
3910:
3911: =item * $title, A title to be displayed on the page.
3912:
3913: =item * $function, the current role (can be undef).
3914:
3915: =item * $addentries, extra parameters for the <body> tag.
3916:
3917: =item * $bodyonly, if defined, only return the <body> tag.
3918:
3919: =item * $domain, if defined, force a given domain.
3920:
3921: =item * $forcereg, if page should register as content page (relevant for
1.86 www 3922: text interface only)
1.60 matthew 3923:
1.326 albertel 3924: =item * $customtitle, alternate text to use instead of $title
3925: in the title box that appears, this text
3926: is not auto translated like the $title is
1.309 albertel 3927:
3928: =item * $notopbar, if true, keep the 'what is this' info but remove the
3929: navigational links
1.317 albertel 3930:
1.338 albertel 3931: =item * $bgcolor, used to override the bgcolor on a webpage to a specific value
3932:
3933: =item * $notitle, if true keep the nav controls, but remove the title bar
3934:
1.361 albertel 3935: =item * $no_inline_link, if true and in remote mode, don't show the
3936: 'Switch To Inline Menu' link
3937:
1.460 albertel 3938: =item * $args, optional argument valid values are
3939: no_auto_mt_title -> prevents &mt()ing the title arg
1.562 albertel 3940: inherit_jsmath -> when creating popup window in a page,
3941: should it have jsmath forced on by the
3942: current page
1.460 albertel 3943:
1.112 bowersj2 3944: =back
3945:
1.60 matthew 3946: Returns: A uniform header for LON-CAPA web pages.
3947: If $bodyonly is nonzero, a string containing a <body> tag will be returned.
3948: If $bodyonly is undef or zero, an html string containing a <body> tag and
3949: other decorations will be returned.
3950:
3951: =cut
3952:
1.54 www 3953: sub bodytag {
1.309 albertel 3954: my ($title,$function,$addentries,$bodyonly,$domain,$forcereg,$customtitle,
1.460 albertel 3955: $notopbar,$bgcolor,$notitle,$no_inline_link,$args)=@_;
1.339 albertel 3956:
1.460 albertel 3957: if (!$args->{'no_auto_mt_title'}) { $title = &mt($title); }
1.339 albertel 3958:
1.183 matthew 3959: $function = &get_users_function() if (!$function);
1.339 albertel 3960: my $img = &designparm($function.'.img',$domain);
3961: my $font = &designparm($function.'.font',$domain);
3962: my $pgbg = $bgcolor || &designparm($function.'.pgbg',$domain);
3963:
3964: my %design = ( 'style' => 'margin-top: 0px',
1.535 albertel 3965: 'bgcolor' => $pgbg,
1.339 albertel 3966: 'text' => $font,
3967: 'alink' => &designparm($function.'.alink',$domain),
3968: 'vlink' => &designparm($function.'.vlink',$domain),
3969: 'link' => &designparm($function.'.link',$domain),);
1.438 albertel 3970: @design{keys(%$addentries)} = @$addentries{keys(%$addentries)};
1.339 albertel 3971:
1.63 www 3972: # role and realm
1.378 raeburn 3973: my ($role,$realm) = split(/\./,$env{'request.role'},2);
3974: if ($role eq 'ca') {
1.479 albertel 3975: my ($rdom,$rname) = ($realm =~ m{^/($match_domain)/($match_username)$});
1.500 albertel 3976: $realm = &plainname($rname,$rdom);
1.378 raeburn 3977: }
1.55 www 3978: # realm
1.258 albertel 3979: if ($env{'request.course.id'}) {
1.378 raeburn 3980: if ($env{'request.role'} !~ /^cr/) {
3981: $role = &Apache::lonnet::plaintext($role,&course_type());
3982: }
1.359 albertel 3983: $realm = $env{'course.'.$env{'request.course.id'}.'.description'};
1.378 raeburn 3984: } else {
3985: $role = &Apache::lonnet::plaintext($role);
1.54 www 3986: }
1.433 albertel 3987:
1.359 albertel 3988: if (!$realm) { $realm=' '; }
1.55 www 3989: # Set messages
1.60 matthew 3990: my $messages=&domainlogo($domain);
1.330 albertel 3991:
1.438 albertel 3992: my $extra_body_attr = &make_attr_string($forcereg,\%design);
1.329 albertel 3993:
1.101 www 3994: # construct main body tag
1.359 albertel 3995: my $bodytag = "<body $extra_body_attr>".
1.562 albertel 3996: &Apache::lontexconvert::init_math_support($args->{'inherit_jsmath'});
1.252 albertel 3997:
1.530 albertel 3998: if ($bodyonly) {
1.60 matthew 3999: return $bodytag;
1.258 albertel 4000: } elsif ($env{'browser.interface'} eq 'textual') {
1.95 www 4001: # Accessibility
1.224 raeburn 4002:
1.337 albertel 4003: $bodytag.=&Apache::lonmenu::menubuttons($forcereg,$forcereg);
1.338 albertel 4004: if (!$notitle) {
1.337 albertel 4005: $bodytag.='<h1>LON-CAPA: '.$title.'</h1>';
4006: }
4007: return $bodytag;
1.359 albertel 4008: }
4009:
1.410 albertel 4010: my $name = &plainname($env{'user.name'},$env{'user.domain'});
1.433 albertel 4011: if ($env{'user.name'} eq 'public' && $env{'user.domain'} eq 'public') {
4012: undef($role);
1.434 albertel 4013: } else {
4014: $name = &aboutmewrapper($name,$env{'user.name'},$env{'user.domain'});
1.433 albertel 4015: }
1.359 albertel 4016:
4017: my $roleinfo=(<<ENDROLE);
4018: <td class="LC_title_bar_who">
4019: <div class="LC_title_bar_name">
1.410 albertel 4020: $name
1.361 albertel 4021:
1.359 albertel 4022: </div>
4023: <div class="LC_title_bar_role">
1.361 albertel 4024: $role
1.359 albertel 4025: </div>
4026: <div class="LC_title_bar_realm">
1.361 albertel 4027: $realm
1.359 albertel 4028: </div>
1.206 albertel 4029: </td>
4030: ENDROLE
1.235 raeburn 4031:
1.359 albertel 4032: my $titleinfo = '<span class="LC_title_bar_title">'.$title.'</span>';
4033: if ($customtitle) {
4034: $titleinfo = $customtitle;
4035: }
4036: #
4037: # Extra info if you are the DC
4038: my $dc_info = '';
4039: if ($env{'user.adv'} && exists($env{'user.role.dc./'.
4040: $env{'course.'.$env{'request.course.id'}.
4041: '.domain'}.'/'})) {
4042: my $cid = $env{'request.course.id'};
4043: $dc_info.= $cid.' '.$env{'course.'.$cid.'.internal.coursecode'};
1.380 www 4044: $dc_info =~ s/\s+$//;
1.359 albertel 4045: $dc_info = '('.$dc_info.')';
4046: }
4047:
1.644 www 4048: if (($env{'environment.remote'} eq 'off') || ($args->{'suppress_header_logos'})) {
1.359 albertel 4049: # No Remote
1.258 albertel 4050: if ($env{'request.state'} eq 'construct') {
1.359 albertel 4051: $forcereg=1;
4052: }
4053:
4054: if (!$customtitle && $env{'request.state'} eq 'construct') {
4055: # this is for resources; directories have customtitle, and crumbs
4056: # and select recent are created in lonpubdir.pm
1.229 albertel 4057: my ($uname,$thisdisfn)=
1.258 albertel 4058: ($env{'request.filename'} =~ m|^/home/([^/]+)/public_html/(.*)|);
1.229 albertel 4059: my $formaction='/priv/'.$uname.'/'.$thisdisfn;
4060: $formaction=~s/\/+/\//g;
4061:
1.359 albertel 4062: my $parentpath = '';
4063: my $lastitem = '';
4064: if ($thisdisfn =~ m-(.+/)([^/]*)$-) {
4065: $parentpath = $1;
4066: $lastitem = $2;
4067: } else {
4068: $lastitem = $thisdisfn;
4069: }
4070: $titleinfo =
1.640 bisitz 4071: &Apache::loncommon::help_open_menu('','',3,'Authoring')
4072: .'<b>'.&mt('Construction Space').'</b>: '
4073: .'<form name="dirs" method="post" action="'.$formaction
1.359 albertel 4074: .'" target="_top"><tt><b>'
4075: .&Apache::lonhtmlcommon::crumbs($uname.'/'.$parentpath,'_top','/priv','','+1',1)."<font size=\"+1\">$lastitem</font></b></tt><br />"
4076: .&Apache::lonhtmlcommon::select_recent('construct','recent','this.form.action=this.form.recent.value;this.form.submit()')
4077: .'</form>'
4078: .&Apache::lonmenu::constspaceform();
1.235 raeburn 4079: }
1.359 albertel 4080:
1.337 albertel 4081: my $titletable;
1.338 albertel 4082: if (!$notitle) {
1.337 albertel 4083: $titletable =
1.359 albertel 4084: '<table id="LC_title_bar">'.
4085: "<tr><td> $titleinfo $dc_info</td>".$roleinfo.
4086: '</tr></table>';
1.337 albertel 4087: }
1.359 albertel 4088: if ($notopbar) {
4089: $bodytag .= $titletable;
4090: } else {
4091: if ($env{'request.state'} eq 'construct') {
1.337 albertel 4092: $bodytag .= &Apache::lonmenu::menubuttons($forcereg,$forcereg,
4093: $titletable);
1.272 raeburn 4094: } else {
1.336 albertel 4095: $bodytag .= &Apache::lonmenu::menubuttons($forcereg,$forcereg).
1.359 albertel 4096: $titletable;
1.272 raeburn 4097: }
1.235 raeburn 4098: }
4099: return $bodytag;
1.94 www 4100: }
1.95 www 4101:
1.93 www 4102: #
1.95 www 4103: # Top frame rendering, Remote is up
1.93 www 4104: #
1.359 albertel 4105:
1.517 raeburn 4106: my $imgsrc = $img;
4107: if ($img =~ /^\/adm/) {
1.575 albertel 4108: $imgsrc = &lonhttpdurl($img);
1.517 raeburn 4109: }
4110: my $upperleft='<img src="'.$imgsrc.'" alt="'.$function.'" />';
1.359 albertel 4111:
1.305 www 4112: # Explicit link to get inline menu
1.361 albertel 4113: my $menu= ($no_inline_link?''
4114: :'<br /><a href="/adm/remote?action=collapse">'.&mt('Switch to Inline Menu Mode').'</a>');
1.245 matthew 4115: #
1.338 albertel 4116: if ($notitle) {
1.337 albertel 4117: return $bodytag;
4118: }
1.94 www 4119: return(<<ENDBODY);
1.60 matthew 4120: $bodytag
1.359 albertel 4121: <table id="LC_title_bar" class="LC_with_remote">
1.368 albertel 4122: <tr><td class="LC_title_bar_role_logo">$upperleft</td>
1.359 albertel 4123: <td class="LC_title_bar_domain_logo">$messages </td>
1.54 www 4124: </tr>
1.359 albertel 4125: <tr><td>$titleinfo $dc_info $menu</td>
4126: $roleinfo
1.368 albertel 4127: </tr>
1.356 albertel 4128: </table>
1.54 www 4129: ENDBODY
1.182 matthew 4130: }
4131:
1.330 albertel 4132: sub make_attr_string {
4133: my ($register,$attr_ref) = @_;
4134:
4135: if ($attr_ref && !ref($attr_ref)) {
4136: die("addentries Must be a hash ref ".
4137: join(':',caller(1))." ".
4138: join(':',caller(0))." ");
4139: }
4140:
4141: if ($register) {
1.339 albertel 4142: my ($on_load,$on_unload);
4143: foreach my $key (keys(%{$attr_ref})) {
4144: if (lc($key) eq 'onload') {
4145: $on_load.=$attr_ref->{$key}.';';
4146: delete($attr_ref->{$key});
4147:
4148: } elsif (lc($key) eq 'onunload') {
4149: $on_unload.=$attr_ref->{$key}.';';
4150: delete($attr_ref->{$key});
4151: }
4152: }
4153: $attr_ref->{'onload'} =
4154: &Apache::lonmenu::loadevents(). $on_load;
4155: $attr_ref->{'onunload'}=
4156: &Apache::lonmenu::unloadevents().$on_unload;
4157: }
4158:
4159: # Accessibility font enhance
4160: if ($env{'browser.fontenhance'} eq 'on') {
4161: my $style;
4162: foreach my $key (keys(%{$attr_ref})) {
4163: if (lc($key) eq 'style') {
4164: $style.=$attr_ref->{$key}.';';
4165: delete($attr_ref->{$key});
4166: }
4167: }
4168: $attr_ref->{'style'}=$style.'; font-size: x-large;';
1.330 albertel 4169: }
1.339 albertel 4170:
4171: if ($env{'browser.blackwhite'} eq 'on') {
4172: delete($attr_ref->{'font'});
4173: delete($attr_ref->{'link'});
4174: delete($attr_ref->{'alink'});
4175: delete($attr_ref->{'vlink'});
4176: delete($attr_ref->{'bgcolor'});
4177: delete($attr_ref->{'background'});
4178: }
4179:
1.330 albertel 4180: my $attr_string;
4181: foreach my $attr (keys(%$attr_ref)) {
4182: $attr_string .= " $attr=\"".$attr_ref->{$attr}.'" ';
4183: }
4184: return $attr_string;
4185: }
4186:
4187:
1.182 matthew 4188: ###############################################
1.251 albertel 4189: ###############################################
4190:
4191: =pod
4192:
4193: =item * &endbodytag()
4194:
4195: Returns a uniform footer for LON-CAPA web pages.
4196:
1.635 raeburn 4197: Inputs: 1 - optional reference to an args hash
4198: If in the hash, key for noredirectlink has a value which evaluates to true,
4199: a 'Continue' link is not displayed if the page contains an
4200: internal redirect in the <head></head> section,
4201: i.e., $env{'internal.head.redirect'} exists
1.251 albertel 4202:
4203: =cut
4204:
4205: sub endbodytag {
1.635 raeburn 4206: my ($args) = @_;
1.251 albertel 4207: my $endbodytag='</body>';
1.269 albertel 4208: $endbodytag=&Apache::lontexconvert::jsMath_process()."\n".$endbodytag;
1.315 albertel 4209: if ( exists( $env{'internal.head.redirect'} ) ) {
1.635 raeburn 4210: if (!(ref($args) eq 'HASH' && $args->{'noredirectlink'})) {
4211: $endbodytag=
4212: "<br /><a href=\"$env{'internal.head.redirect'}\">".
4213: &mt('Continue').'</a>'.
4214: $endbodytag;
4215: }
1.315 albertel 4216: }
1.251 albertel 4217: return $endbodytag;
4218: }
4219:
1.352 albertel 4220: =pod
4221:
4222: =item * &standard_css()
4223:
4224: Returns a style sheet
4225:
4226: Inputs: (all optional)
4227: domain -> force to color decorate a page for a specific
4228: domain
4229: function -> force usage of a specific rolish color scheme
4230: bgcolor -> override the default page bgcolor
4231:
4232: =cut
4233:
1.343 albertel 4234: sub standard_css {
1.345 albertel 4235: my ($function,$domain,$bgcolor) = @_;
1.352 albertel 4236: $function = &get_users_function() if (!$function);
4237: my $img = &designparm($function.'.img', $domain);
4238: my $tabbg = &designparm($function.'.tabbg', $domain);
4239: my $font = &designparm($function.'.font', $domain);
1.345 albertel 4240: my $sidebg = &designparm($function.'.sidebg',$domain);
1.382 albertel 4241: my $pgbg_or_bgcolor =
4242: $bgcolor ||
1.352 albertel 4243: &designparm($function.'.pgbg', $domain);
1.382 albertel 4244: my $pgbg = &designparm($function.'.pgbg', $domain);
1.352 albertel 4245: my $alink = &designparm($function.'.alink', $domain);
4246: my $vlink = &designparm($function.'.vlink', $domain);
4247: my $link = &designparm($function.'.link', $domain);
4248:
1.602 albertel 4249: my $sans = 'Verdana,Arial,Helvetica,sans-serif';
1.395 albertel 4250: my $mono = 'monospace';
1.352 albertel 4251: my $data_table_head = $tabbg;
4252: my $data_table_light = '#EEEEEE';
1.470 banghart 4253: my $data_table_dark = '#DDDDDD';
4254: my $data_table_darker = '#CCCCCC';
1.349 albertel 4255: my $data_table_highlight = '#FFFF00';
1.352 albertel 4256: my $mail_new = '#FFBB77';
4257: my $mail_new_hover = '#DD9955';
4258: my $mail_read = '#BBBB77';
4259: my $mail_read_hover = '#999944';
4260: my $mail_replied = '#AAAA88';
4261: my $mail_replied_hover = '#888855';
4262: my $mail_other = '#99BBBB';
4263: my $mail_other_hover = '#669999';
1.391 albertel 4264: my $table_header = '#DDDDDD';
1.489 raeburn 4265: my $feedback_link_bg = '#BBBBBB';
1.392 albertel 4266:
1.608 albertel 4267: my $border = ($env{'browser.type'} eq 'explorer' ||
4268: $env{'browser.type'} eq 'safari' ) ? '0px 2px 0px 2px'
4269: : '0px 3px 0px 4px';
1.448 albertel 4270:
1.523 albertel 4271:
1.343 albertel 4272: return <<END;
1.345 albertel 4273: h1, h2, h3, th { font-family: $sans }
1.343 albertel 4274: a:focus { color: red; background: yellow }
1.510 albertel 4275: table.thinborder,
1.523 albertel 4276:
1.510 albertel 4277: table.thinborder tr th {
4278: border-style: solid;
4279: border-width: 1px;
4280: background: $tabbg;
4281: }
1.523 albertel 4282: table.thinborder tr td {
1.510 albertel 4283: border-style: solid;
4284: border-width: 1px
4285: }
1.426 albertel 4286:
1.343 albertel 4287: form, .inline { display: inline; }
4288: .center { text-align: center; }
1.593 albertel 4289: .LC_filename {font-family: $mono; white-space:pre;}
1.350 albertel 4290: .LC_error {
4291: color: red;
4292: font-size: larger;
4293: }
1.457 albertel 4294: .LC_warning,
4295: .LC_diff_removed {
1.394 albertel 4296: color: red;
4297: }
1.532 albertel 4298:
4299: .LC_info,
1.457 albertel 4300: .LC_success,
4301: .LC_diff_added {
1.350 albertel 4302: color: green;
4303: }
1.543 albertel 4304: .LC_unknown {
4305: color: yellow;
4306: }
4307:
1.440 albertel 4308: .LC_icon {
4309: border: 0px;
4310: }
1.539 albertel 4311: .LC_indexer_icon {
4312: border: 0px;
4313: height: 22px;
4314: }
1.543 albertel 4315: .LC_docs_spacer {
4316: width: 25px;
4317: height: 1px;
4318: border: 0px;
4319: }
1.346 albertel 4320:
1.532 albertel 4321: .LC_internal_info {
4322: color: #999;
4323: }
4324:
1.458 albertel 4325: table.LC_pastsubmission {
4326: border: 1px solid black;
4327: margin: 2px;
4328: }
4329:
1.606 albertel 4330: table#LC_top_nav, table#LC_menubuttons,table#LC_nav_location {
1.345 albertel 4331: width: 100%;
4332: background: $pgbg;
1.392 albertel 4333: border: 2px;
1.402 albertel 4334: border-collapse: separate;
1.403 albertel 4335: padding: 0px;
1.345 albertel 4336: }
1.392 albertel 4337:
1.606 albertel 4338: table#LC_title_bar, table.LC_breadcrumbs,
1.393 albertel 4339: table#LC_title_bar.LC_with_remote {
1.359 albertel 4340: width: 100%;
1.392 albertel 4341: border-color: $pgbg;
4342: border-style: solid;
4343: border-width: $border;
4344:
1.379 albertel 4345: background: $pgbg;
4346: font-family: $sans;
1.392 albertel 4347: border-collapse: collapse;
1.403 albertel 4348: padding: 0px;
1.359 albertel 4349: }
1.392 albertel 4350:
1.409 albertel 4351: table.LC_docs_path {
4352: width: 100%;
4353: border: 0;
4354: background: $pgbg;
4355: font-family: $sans;
4356: border-collapse: collapse;
4357: padding: 0px;
4358: }
4359:
1.359 albertel 4360: table#LC_title_bar td {
4361: background: $tabbg;
4362: }
4363: table#LC_title_bar td.LC_title_bar_who {
4364: background: $tabbg;
4365: color: $font;
1.427 albertel 4366: font: small $sans;
1.359 albertel 4367: text-align: right;
4368: }
1.469 banghart 4369: span.LC_metadata {
4370: font-family: $sans;
4371: }
1.359 albertel 4372: span.LC_title_bar_title {
1.416 albertel 4373: font: bold x-large $sans;
1.359 albertel 4374: }
4375: table#LC_title_bar td.LC_title_bar_domain_logo {
4376: background: $sidebg;
4377: text-align: right;
1.368 albertel 4378: padding: 0px;
4379: }
4380: table#LC_title_bar td.LC_title_bar_role_logo {
4381: background: $sidebg;
4382: padding: 0px;
1.359 albertel 4383: }
4384:
1.346 albertel 4385: table#LC_menubuttons_mainmenu {
1.526 www 4386: width: 100%;
1.346 albertel 4387: border: 0px;
4388: border-spacing: 1px;
1.372 albertel 4389: padding: 0px 1px;
1.346 albertel 4390: margin: 0px;
4391: border-collapse: separate;
4392: }
4393: table#LC_menubuttons img, table#LC_menubuttons_mainmenu img {
4394: border: 0px;
4395: }
1.345 albertel 4396: table#LC_top_nav td {
4397: background: $tabbg;
1.392 albertel 4398: border: 0px;
1.407 albertel 4399: font-size: small;
1.345 albertel 4400: }
4401: table#LC_top_nav td a, div#LC_top_nav a {
4402: color: $font;
4403: font-family: $sans;
4404: }
1.364 albertel 4405: table#LC_top_nav td.LC_top_nav_logo {
4406: background: $tabbg;
1.432 albertel 4407: text-align: left;
1.408 albertel 4408: white-space: nowrap;
1.432 albertel 4409: width: 31px;
1.408 albertel 4410: }
4411: table#LC_top_nav td.LC_top_nav_logo img {
1.432 albertel 4412: border: 0px;
1.408 albertel 4413: vertical-align: bottom;
1.364 albertel 4414: }
1.432 albertel 4415: table#LC_top_nav td.LC_top_nav_exit,
4416: table#LC_top_nav td.LC_top_nav_help {
4417: width: 2.0em;
4418: }
1.442 albertel 4419: table#LC_top_nav td.LC_top_nav_login {
4420: width: 4.0em;
4421: text-align: center;
4422: }
1.409 albertel 4423: table.LC_breadcrumbs td, table.LC_docs_path td {
1.357 albertel 4424: background: $tabbg;
4425: color: $font;
4426: font-family: $sans;
1.358 albertel 4427: font-size: smaller;
1.357 albertel 4428: }
1.411 albertel 4429: table.LC_breadcrumbs td.LC_breadcrumbs_component,
1.409 albertel 4430: table.LC_docs_path td.LC_docs_path_component {
1.357 albertel 4431: background: $tabbg;
4432: color: $font;
4433: font-family: $sans;
4434: font-size: larger;
4435: text-align: right;
4436: }
1.383 albertel 4437: td.LC_table_cell_checkbox {
4438: text-align: center;
4439: }
4440:
1.522 albertel 4441: table#LC_mainmenu td.LC_mainmenu_column {
4442: vertical-align: top;
4443: }
4444:
1.346 albertel 4445: .LC_menubuttons_inline_text {
4446: color: $font;
4447: font-family: $sans;
4448: font-size: smaller;
4449: }
4450:
1.526 www 4451: .LC_menubuttons_link {
4452: text-decoration: none;
4453: }
4454:
1.522 albertel 4455: .LC_menubuttons_category {
1.521 www 4456: color: $font;
1.526 www 4457: background: $pgbg;
1.521 www 4458: font-family: $sans;
4459: font-size: larger;
4460: font-weight: bold;
4461: }
4462:
1.346 albertel 4463: td.LC_menubuttons_text {
1.526 www 4464: width: 90%;
1.346 albertel 4465: color: $font;
4466: font-family: $sans;
4467: }
1.526 www 4468:
1.346 albertel 4469: td.LC_menubuttons_img {
4470: }
1.526 www 4471:
1.346 albertel 4472: .LC_current_location {
4473: font-family: $sans;
4474: background: $tabbg;
4475: }
4476: .LC_new_mail {
4477: font-family: $sans;
1.634 www 4478: background: $tabbg;
1.346 albertel 4479: font-weight: bold;
4480: }
1.347 albertel 4481:
1.526 www 4482: .LC_rolesmenu_is {
4483: font-family: $sans;
4484: }
4485:
4486: .LC_rolesmenu_selected {
4487: font-family: $sans;
4488: }
4489:
4490: .LC_rolesmenu_future {
4491: font-family: $sans;
4492: }
4493:
4494:
4495: .LC_rolesmenu_will {
4496: font-family: $sans;
4497: }
4498:
4499: .LC_rolesmenu_will_not {
4500: font-family: $sans;
4501: }
4502:
4503: .LC_rolesmenu_expired {
4504: font-family: $sans;
4505: }
4506:
4507: .LC_rolesinfo {
4508: font-family: $sans;
4509: }
4510:
1.527 www 4511: .LC_dropadd_labeltext {
4512: font-family: $sans;
4513: text-align: right;
4514: }
4515:
4516: .LC_preferences_labeltext {
4517: font-family: $sans;
4518: text-align: right;
4519: }
4520:
1.440 albertel 4521: table.LC_aboutme_port {
4522: border: 0px;
4523: border-collapse: collapse;
4524: border-spacing: 0px;
4525: }
1.349 albertel 4526: table.LC_data_table, table.LC_mail_list {
1.347 albertel 4527: border: 1px solid #000000;
1.402 albertel 4528: border-collapse: separate;
1.426 albertel 4529: border-spacing: 1px;
1.610 albertel 4530: background: $pgbg;
1.347 albertel 4531: }
1.422 albertel 4532: .LC_data_table_dense {
4533: font-size: small;
4534: }
1.507 raeburn 4535: table.LC_nested_outer {
4536: border: 1px solid #000000;
1.589 raeburn 4537: border-collapse: collapse;
1.507 raeburn 4538: border-spacing: 0px;
4539: width: 100%;
4540: }
4541: table.LC_nested {
4542: border: 0px;
1.589 raeburn 4543: border-collapse: collapse;
1.507 raeburn 4544: border-spacing: 0px;
4545: width: 100%;
4546: }
1.523 albertel 4547: table.LC_data_table tr th, table.LC_calendar tr th, table.LC_mail_list tr th,
4548: table.LC_prior_tries tr th {
1.349 albertel 4549: font-weight: bold;
4550: background-color: $data_table_head;
1.421 albertel 4551: font-size: smaller;
1.347 albertel 4552: }
1.610 albertel 4553: table.LC_data_table tr.LC_odd_row > td,
1.440 albertel 4554: table.LC_aboutme_port tr td {
1.349 albertel 4555: background-color: $data_table_light;
1.425 albertel 4556: padding: 2px;
1.347 albertel 4557: }
1.610 albertel 4558: table.LC_data_table tr.LC_even_row > td,
1.440 albertel 4559: table.LC_aboutme_port tr.LC_even_row td {
1.349 albertel 4560: background-color: $data_table_dark;
1.347 albertel 4561: }
1.425 albertel 4562: table.LC_data_table tr.LC_data_table_highlight td {
4563: background-color: $data_table_darker;
4564: }
1.639 raeburn 4565: table.LC_data_table tr td.LC_leftcol_header {
4566: background-color: $data_table_head;
4567: font-weight: bold;
4568: }
1.451 albertel 4569: table.LC_data_table tr.LC_empty_row td,
1.507 raeburn 4570: table.LC_nested tr.LC_empty_row td {
1.347 albertel 4571: background-color: #FFFFFF;
1.421 albertel 4572: font-weight: bold;
4573: font-style: italic;
4574: text-align: center;
4575: padding: 8px;
1.347 albertel 4576: }
1.507 raeburn 4577: table.LC_nested tr.LC_empty_row td {
1.465 albertel 4578: padding: 4ex
4579: }
1.507 raeburn 4580: table.LC_nested_outer tr th {
4581: font-weight: bold;
4582: background-color: $data_table_head;
4583: font-size: smaller;
4584: border-bottom: 1px solid #000000;
4585: }
4586: table.LC_nested_outer tr td.LC_subheader {
4587: background-color: $data_table_head;
4588: font-weight: bold;
4589: font-size: small;
4590: border-bottom: 1px solid #000000;
4591: text-align: right;
1.451 albertel 4592: }
1.507 raeburn 4593: table.LC_nested tr.LC_info_row td {
1.451 albertel 4594: background-color: #CCC;
4595: font-weight: bold;
4596: font-size: small;
1.507 raeburn 4597: text-align: center;
4598: }
1.589 raeburn 4599: table.LC_nested tr.LC_info_row td.LC_left_item,
4600: table.LC_nested_outer tr th.LC_left_item {
1.507 raeburn 4601: text-align: left;
1.451 albertel 4602: }
1.507 raeburn 4603: table.LC_nested td {
1.451 albertel 4604: background-color: #FFF;
4605: font-size: small;
1.507 raeburn 4606: }
4607: table.LC_nested_outer tr th.LC_right_item,
4608: table.LC_nested tr.LC_info_row td.LC_right_item,
4609: table.LC_nested tr.LC_odd_row td.LC_right_item,
4610: table.LC_nested tr td.LC_right_item {
1.451 albertel 4611: text-align: right;
4612: }
4613:
1.507 raeburn 4614: table.LC_nested tr.LC_odd_row td {
1.451 albertel 4615: background-color: #EEE;
4616: }
4617:
1.473 raeburn 4618: table.LC_createuser {
4619: }
4620:
4621: table.LC_createuser tr.LC_section_row td {
4622: font-size: smaller;
4623: }
4624:
4625: table.LC_createuser tr.LC_info_row td {
4626: background-color: #CCC;
4627: font-weight: bold;
4628: text-align: center;
4629: }
4630:
1.349 albertel 4631: table.LC_calendar {
4632: border: 1px solid #000000;
4633: border-collapse: collapse;
4634: }
4635: table.LC_calendar_pickdate {
4636: font-size: xx-small;
4637: }
4638: table.LC_calendar tr td {
4639: border: 1px solid #000000;
4640: vertical-align: top;
4641: }
4642: table.LC_calendar tr td.LC_calendar_day_empty {
4643: background-color: $data_table_dark;
4644: }
4645: table.LC_calendar tr td.LC_calendar_day_current {
4646: background-color: $data_table_highlight;
4647: }
4648:
4649: table.LC_mail_list tr.LC_mail_new {
4650: background-color: $mail_new;
4651: }
4652: table.LC_mail_list tr.LC_mail_new:hover {
4653: background-color: $mail_new_hover;
4654: }
4655: table.LC_mail_list tr.LC_mail_read {
4656: background-color: $mail_read;
4657: }
4658: table.LC_mail_list tr.LC_mail_read:hover {
4659: background-color: $mail_read_hover;
4660: }
4661: table.LC_mail_list tr.LC_mail_replied {
4662: background-color: $mail_replied;
4663: }
4664: table.LC_mail_list tr.LC_mail_replied:hover {
4665: background-color: $mail_replied_hover;
4666: }
4667: table.LC_mail_list tr.LC_mail_other {
4668: background-color: $mail_other;
4669: }
4670: table.LC_mail_list tr.LC_mail_other:hover {
4671: background-color: $mail_other_hover;
4672: }
1.494 raeburn 4673: table.LC_mail_list tr.LC_mail_even {
4674: }
4675: table.LC_mail_list tr.LC_mail_odd {
4676: }
4677:
1.385 albertel 4678:
1.386 albertel 4679: table#LC_portfolio_actions {
4680: width: auto;
4681: background: $pgbg;
4682: border: 0px;
4683: border-spacing: 2px 2px;
4684: padding: 0px;
4685: margin: 0px;
4686: border-collapse: separate;
4687: }
4688: table#LC_portfolio_actions td.LC_label {
4689: background: $tabbg;
4690: text-align: right;
4691: }
4692: table#LC_portfolio_actions td.LC_value {
4693: background: $tabbg;
4694: }
1.385 albertel 4695:
1.391 albertel 4696: table#LC_cstr_controls {
4697: width: 100%;
4698: border-collapse: collapse;
4699: }
4700: table#LC_cstr_controls tr td {
4701: border: 4px solid $pgbg;
4702: padding: 4px;
4703: text-align: center;
4704: background: $tabbg;
4705: }
4706: table#LC_cstr_controls tr th {
4707: border: 4px solid $pgbg;
4708: background: $table_header;
4709: text-align: center;
4710: font-family: $sans;
4711: font-size: smaller;
4712: }
4713:
1.389 albertel 4714: table#LC_browser {
4715:
4716: }
4717: table#LC_browser tr th {
1.391 albertel 4718: background: $table_header;
1.389 albertel 4719: }
1.390 albertel 4720: table#LC_browser tr td {
4721: padding: 2px;
4722: }
1.389 albertel 4723: table#LC_browser tr.LC_browser_file,
4724: table#LC_browser tr.LC_browser_file_published {
4725: background: #CCFF88;
4726: }
4727: table#LC_browser tr.LC_browser_file_locked,
4728: table#LC_browser tr.LC_browser_file_unpublished {
4729: background: #FFAA99;
1.387 albertel 4730: }
1.389 albertel 4731: table#LC_browser tr.LC_browser_file_obsolete {
4732: background: #AAAAAA;
1.387 albertel 4733: }
1.455 albertel 4734: table#LC_browser tr.LC_browser_file_modified,
4735: table#LC_browser tr.LC_browser_file_metamodified {
1.389 albertel 4736: background: #FFFF77;
1.387 albertel 4737: }
1.389 albertel 4738: table#LC_browser tr.LC_browser_folder {
4739: background: #CCCCFF;
1.387 albertel 4740: }
1.388 albertel 4741: span.LC_current_location {
4742: font-size: x-large;
4743: background: $pgbg;
4744: }
1.387 albertel 4745:
1.395 albertel 4746: span.LC_parm_menu_item {
4747: font-size: larger;
4748: font-family: $sans;
4749: }
4750: span.LC_parm_scope_all {
4751: color: red;
4752: }
4753: span.LC_parm_scope_folder {
4754: color: green;
4755: }
4756: span.LC_parm_scope_resource {
4757: color: orange;
4758: }
4759: span.LC_parm_part {
4760: color: blue;
4761: }
4762: span.LC_parm_folder, span.LC_parm_symb {
4763: font-size: x-small;
4764: font-family: $mono;
4765: color: #AAAAAA;
4766: }
4767:
1.396 albertel 4768: td.LC_parm_overview_level_menu, td.LC_parm_overview_map_menu,
4769: td.LC_parm_overview_parm_selectors, td.LC_parm_overview_parm_restrictions {
4770: border: 1px solid black;
4771: border-collapse: collapse;
4772: }
4773: table.LC_parm_overview_restrictions td {
4774: border-width: 1px 4px 1px 4px;
4775: border-style: solid;
4776: border-color: $pgbg;
4777: text-align: center;
4778: }
4779: table.LC_parm_overview_restrictions th {
4780: background: $tabbg;
4781: border-width: 1px 4px 1px 4px;
4782: border-style: solid;
4783: border-color: $pgbg;
4784: }
1.398 albertel 4785: table#LC_helpmenu {
4786: border: 0px;
4787: height: 55px;
4788: border-spacing: 0px;
4789: }
4790:
4791: table#LC_helpmenu fieldset legend {
4792: font-size: larger;
4793: font-weight: bold;
4794: }
1.397 albertel 4795: table#LC_helpmenu_links {
4796: width: 100%;
4797: border: 1px solid black;
4798: background: $pgbg;
4799: padding: 0px;
4800: border-spacing: 1px;
4801: }
4802: table#LC_helpmenu_links tr td {
4803: padding: 1px;
4804: background: $tabbg;
1.399 albertel 4805: text-align: center;
4806: font-weight: bold;
1.397 albertel 4807: }
1.396 albertel 4808:
1.397 albertel 4809: table#LC_helpmenu_links a:link, table#LC_helpmenu_links a:visited,
4810: table#LC_helpmenu_links a:active {
4811: text-decoration: none;
4812: color: $font;
4813: }
4814: table#LC_helpmenu_links a:hover {
4815: text-decoration: underline;
4816: color: $vlink;
4817: }
1.396 albertel 4818:
1.417 albertel 4819: .LC_chrt_popup_exists {
4820: border: 1px solid #339933;
4821: margin: -1px;
4822: }
4823: .LC_chrt_popup_up {
4824: border: 1px solid yellow;
4825: margin: -1px;
4826: }
4827: .LC_chrt_popup {
4828: border: 1px solid #8888FF;
4829: background: #CCCCFF;
4830: }
1.421 albertel 4831: table.LC_pick_box {
4832: border-collapse: separate;
4833: background: white;
4834: border: 1px solid black;
4835: border-spacing: 1px;
4836: }
4837: table.LC_pick_box td.LC_pick_box_title {
4838: background: $tabbg;
4839: font-weight: bold;
4840: text-align: right;
4841: width: 184px;
4842: padding: 8px;
4843: }
1.645 raeburn 4844: table.LC_pick_box td.LC_selfenroll_pick_box_title {
4845: background: $tabbg;
4846: font-weight: bold;
4847: text-align: right;
4848: width: 350px;
4849: padding: 8px;
4850: }
4851:
1.579 raeburn 4852: table.LC_pick_box td.LC_pick_box_value {
4853: text-align: left;
4854: padding: 8px;
4855: }
4856: table.LC_pick_box td.LC_pick_box_select {
4857: text-align: left;
4858: padding: 8px;
4859: }
1.424 albertel 4860: table.LC_pick_box td.LC_pick_box_separator {
1.421 albertel 4861: padding: 0px;
4862: height: 1px;
4863: background: black;
4864: }
4865: table.LC_pick_box td.LC_pick_box_submit {
4866: text-align: right;
4867: }
1.579 raeburn 4868: table.LC_pick_box td.LC_evenrow_value {
4869: text-align: left;
4870: padding: 8px;
4871: background-color: $data_table_light;
4872: }
4873: table.LC_pick_box td.LC_oddrow_value {
4874: text-align: left;
4875: padding: 8px;
4876: background-color: $data_table_light;
4877: }
4878: table.LC_helpform_receipt {
4879: width: 620px;
4880: border-collapse: separate;
4881: background: white;
4882: border: 1px solid black;
4883: border-spacing: 1px;
4884: }
4885: table.LC_helpform_receipt td.LC_pick_box_title {
4886: background: $tabbg;
4887: font-weight: bold;
4888: text-align: right;
4889: width: 184px;
4890: padding: 8px;
4891: }
4892: table.LC_helpform_receipt td.LC_evenrow_value {
4893: text-align: left;
4894: padding: 8px;
4895: background-color: $data_table_light;
4896: }
4897: table.LC_helpform_receipt td.LC_oddrow_value {
4898: text-align: left;
4899: padding: 8px;
4900: background-color: $data_table_light;
4901: }
4902: table.LC_helpform_receipt td.LC_pick_box_separator {
4903: padding: 0px;
4904: height: 1px;
4905: background: black;
4906: }
4907: span.LC_helpform_receipt_cat {
4908: font-weight: bold;
4909: }
1.424 albertel 4910: table.LC_group_priv_box {
4911: background: white;
4912: border: 1px solid black;
4913: border-spacing: 1px;
4914: }
4915: table.LC_group_priv_box td.LC_pick_box_title {
4916: background: $tabbg;
4917: font-weight: bold;
4918: text-align: right;
4919: width: 184px;
4920: }
4921: table.LC_group_priv_box td.LC_groups_fixed {
4922: background: $data_table_light;
4923: text-align: center;
4924: }
4925: table.LC_group_priv_box td.LC_groups_optional {
4926: background: $data_table_dark;
4927: text-align: center;
4928: }
4929: table.LC_group_priv_box td.LC_groups_functionality {
4930: background: $data_table_darker;
4931: text-align: center;
4932: font-weight: bold;
4933: }
4934: table.LC_group_priv td {
4935: text-align: left;
4936: padding: 0px;
4937: }
4938:
1.421 albertel 4939: table.LC_notify_front_page {
4940: background: white;
4941: border: 1px solid black;
4942: padding: 8px;
4943: }
4944: table.LC_notify_front_page td {
4945: padding: 8px;
4946: }
1.424 albertel 4947: .LC_navbuttons {
4948: margin: 2ex 0ex 2ex 0ex;
4949: }
1.423 albertel 4950: .LC_topic_bar {
4951: font-family: $sans;
4952: font-weight: bold;
4953: width: 100%;
4954: background: $tabbg;
4955: vertical-align: middle;
4956: margin: 2ex 0ex 2ex 0ex;
4957: }
4958: .LC_topic_bar span {
4959: vertical-align: middle;
4960: }
4961: .LC_topic_bar img {
4962: vertical-align: bottom;
4963: }
4964: table.LC_course_group_status {
4965: margin: 20px;
4966: }
4967: table.LC_status_selector td {
4968: vertical-align: top;
4969: text-align: center;
1.424 albertel 4970: padding: 4px;
4971: }
4972: table.LC_descriptive_input td.LC_description {
4973: vertical-align: top;
4974: text-align: right;
4975: font-weight: bold;
1.423 albertel 4976: }
1.599 albertel 4977: div.LC_feedback_link {
1.616 albertel 4978: clear: both;
1.599 albertel 4979: background: white;
4980: width: 100%;
1.489 raeburn 4981: }
4982: span.LC_feedback_link {
1.599 albertel 4983: background: $feedback_link_bg;
4984: font-size: larger;
4985: }
4986: span.LC_message_link {
4987: background: $feedback_link_bg;
4988: font-size: larger;
4989: position: absolute;
4990: right: 1em;
1.489 raeburn 4991: }
1.421 albertel 4992:
1.515 albertel 4993: table.LC_prior_tries {
1.524 albertel 4994: border: 1px solid #000000;
4995: border-collapse: separate;
4996: border-spacing: 1px;
1.515 albertel 4997: }
1.523 albertel 4998:
1.515 albertel 4999: table.LC_prior_tries td {
1.524 albertel 5000: padding: 2px;
1.515 albertel 5001: }
1.523 albertel 5002:
5003: .LC_answer_correct {
5004: background: #AAFFAA;
5005: color: black;
5006: }
5007: .LC_answer_charged_try {
5008: background: #FFAAAA ! important;
5009: color: black;
5010: }
5011: .LC_answer_not_charged_try,
5012: .LC_answer_no_grade,
5013: .LC_answer_late {
5014: background: #FFFFAA;
5015: color: black;
5016: }
5017: .LC_answer_previous {
5018: background: #AAAAFF;
5019: color: black;
5020: }
5021: .LC_answer_no_message {
5022: background: #FFFFFF;
5023: color: black;
5024: }
5025: .LC_answer_unknown {
5026: background: orange;
5027: color: black;
5028: }
5029:
5030:
1.529 albertel 5031: span.LC_prior_numerical,
5032: span.LC_prior_string,
5033: span.LC_prior_custom,
5034: span.LC_prior_reaction,
5035: span.LC_prior_math {
1.523 albertel 5036: font-family: monospace;
5037: white-space: pre;
5038: }
5039:
1.525 albertel 5040: span.LC_prior_string {
5041: font-family: monospace;
5042: white-space: pre;
5043: }
5044:
1.523 albertel 5045: table.LC_prior_option {
5046: width: 100%;
5047: border-collapse: collapse;
5048: }
1.528 albertel 5049: table.LC_prior_rank, table.LC_prior_match {
5050: border-collapse: collapse;
5051: }
5052: table.LC_prior_option tr td,
5053: table.LC_prior_rank tr td,
5054: table.LC_prior_match tr td {
1.524 albertel 5055: border: 1px solid #000000;
1.515 albertel 5056: }
5057:
1.519 raeburn 5058: span.LC_nobreak {
1.544 albertel 5059: white-space: nowrap;
1.519 raeburn 5060: }
5061:
1.576 raeburn 5062: span.LC_cusr_emph {
5063: font-style: italic;
5064: }
5065:
1.633 raeburn 5066: span.LC_cusr_subheading {
5067: font-weight: normal;
5068: font-size: 85%;
5069: }
5070:
1.545 albertel 5071: table.LC_docs_documents {
5072: background: #BBBBBB;
1.547 albertel 5073: border-width: 0px;
1.545 albertel 5074: border-collapse: collapse;
5075: }
5076:
5077: table.LC_docs_documents td.LC_docs_document {
5078: border: 2px solid black;
5079: padding: 4px;
5080: }
5081:
5082: .LC_docs_course_commands div {
5083: float: left;
5084: border: 4px solid #AAAAAA;
5085: padding: 4px;
5086: background: #DDDDCC;
5087: }
5088:
5089: .LC_docs_entry_move {
5090: border: 0px;
5091: border-collapse: collapse;
1.544 albertel 5092: }
5093:
1.545 albertel 5094: .LC_docs_entry_move td {
5095: border: 2px solid #BBBBBB;
5096: background: #DDDDDD;
5097: }
5098:
5099: .LC_docs_editor td.LC_docs_entry_commands {
5100: background: #DDDDDD;
5101: font-size: x-small;
5102: }
1.544 albertel 5103: .LC_docs_copy {
1.545 albertel 5104: color: #000099;
1.544 albertel 5105: }
5106: .LC_docs_cut {
1.545 albertel 5107: color: #550044;
1.544 albertel 5108: }
5109: .LC_docs_rename {
1.545 albertel 5110: color: #009900;
1.544 albertel 5111: }
5112: .LC_docs_remove {
1.545 albertel 5113: color: #990000;
5114: }
5115:
1.547 albertel 5116: .LC_docs_reinit_warn,
5117: .LC_docs_ext_edit {
5118: font-size: x-small;
5119: }
5120:
1.545 albertel 5121: .LC_docs_editor td.LC_docs_entry_title,
5122: .LC_docs_editor td.LC_docs_entry_icon {
5123: background: #FFFFBB;
5124: }
5125: .LC_docs_editor td.LC_docs_entry_parameter {
5126: background: #BBBBFF;
5127: font-size: x-small;
5128: white-space: nowrap;
5129: }
5130:
5131: table.LC_docs_adddocs td,
5132: table.LC_docs_adddocs th {
5133: border: 1px solid #BBBBBB;
5134: padding: 4px;
5135: background: #DDDDDD;
1.543 albertel 5136: }
5137:
1.584 albertel 5138: table.LC_sty_begin {
5139: background: #BBFFBB;
5140: }
5141: table.LC_sty_end {
5142: background: #FFBBBB;
5143: }
5144:
1.589 raeburn 5145: table.LC_double_column {
5146: border-width: 0px;
5147: border-collapse: collapse;
5148: width: 100%;
5149: padding: 2px;
5150: }
5151:
5152: table.LC_double_column tr td.LC_left_col {
1.590 raeburn 5153: top: 2px;
1.589 raeburn 5154: left: 2px;
5155: width: 47%;
5156: vertical-align: top;
5157: }
5158:
5159: table.LC_double_column tr td.LC_right_col {
5160: top: 2px;
5161: right: 2px;
5162: width: 47%;
5163: vertical-align: top;
5164: }
5165:
1.594 raeburn 5166: span.LC_role_level {
5167: font-weight: bold;
5168: }
5169:
1.591 raeburn 5170: div.LC_left_float {
5171: float: left;
5172: padding-right: 5%;
1.597 albertel 5173: padding-bottom: 4px;
1.591 raeburn 5174: }
5175:
5176: div.LC_clear_float_header {
1.597 albertel 5177: padding-bottom: 2px;
1.591 raeburn 5178: }
5179:
5180: div.LC_clear_float_footer {
1.597 albertel 5181: padding-top: 10px;
1.591 raeburn 5182: clear: both;
5183: }
5184:
1.597 albertel 5185:
1.601 albertel 5186: div.LC_grade_select_mode {
1.604 albertel 5187: font-family: $sans;
1.601 albertel 5188: }
5189: div.LC_grade_select_mode div div {
5190: margin: 5px;
5191: }
5192: div.LC_grade_select_mode_selector {
5193: margin: 5px;
5194: float: left;
5195: }
5196: div.LC_grade_select_mode_selector_header {
5197: font: bold medium $sans;
5198: }
5199: div.LC_grade_select_mode_type {
5200: clear: left;
5201: }
5202:
1.597 albertel 5203: div.LC_grade_show_user {
5204: margin-top: 20px;
5205: border: 1px solid black;
5206: }
5207: div.LC_grade_user_name {
5208: background: #DDDDEE;
5209: border-bottom: 1px solid black;
5210: font: bold large $sans;
5211: }
5212: div.LC_grade_show_user_odd_row div.LC_grade_user_name {
5213: background: #DDEEDD;
5214: }
5215:
5216: div.LC_grade_show_problem,
5217: div.LC_grade_submissions,
5218: div.LC_grade_message_center,
5219: div.LC_grade_info_links,
5220: div.LC_grade_assign {
5221: margin: 5px;
5222: width: 99%;
5223: background: #FFFFFF;
5224: }
5225: div.LC_grade_show_problem_header,
5226: div.LC_grade_submissions_header,
5227: div.LC_grade_message_center_header,
5228: div.LC_grade_assign_header {
5229: font: bold large $sans;
5230: }
5231: div.LC_grade_show_problem_problem,
5232: div.LC_grade_submissions_body,
5233: div.LC_grade_message_center_body,
5234: div.LC_grade_assign_body {
5235: border: 1px solid black;
5236: width: 99%;
5237: background: #FFFFFF;
5238: }
1.598 albertel 5239: span.LC_grade_check_note {
5240: font: normal medium $sans;
5241: display: inline;
5242: position: absolute;
5243: right: 1em;
5244: }
1.597 albertel 5245:
1.613 albertel 5246: table.LC_scantron_action {
5247: width: 100%;
5248: }
5249: table.LC_scantron_action tr th {
5250: font: normal bold $sans;
5251: }
1.600 albertel 5252:
1.614 albertel 5253: div.LC_edit_problem_header,
5254: div.LC_edit_problem_footer {
1.600 albertel 5255: font: normal medium $sans;
1.602 albertel 5256: margin: 2px;
1.600 albertel 5257: }
5258: div.LC_edit_problem_header,
1.602 albertel 5259: div.LC_edit_problem_header div,
1.614 albertel 5260: div.LC_edit_problem_footer,
5261: div.LC_edit_problem_footer div,
1.602 albertel 5262: div.LC_edit_problem_editxml_header,
5263: div.LC_edit_problem_editxml_header div {
1.600 albertel 5264: margin-top: 5px;
5265: }
1.602 albertel 5266: div.LC_edit_problem_header_edit_row {
5267: background: $tabbg;
5268: padding: 3px;
5269: margin-bottom: 5px;
5270: }
1.600 albertel 5271: div.LC_edit_problem_header_title {
1.602 albertel 5272: font: larger bold $sans;
5273: background: $tabbg;
5274: padding: 3px;
5275: }
5276: table.LC_edit_problem_header_title {
5277: font: larger bold $sans;
5278: width: 100%;
5279: border-color: $pgbg;
5280: border-style: solid;
5281: border-width: $border;
5282:
1.600 albertel 5283: background: $tabbg;
1.602 albertel 5284: border-collapse: collapse;
5285: padding: 0px
5286: }
5287:
5288: div.LC_edit_problem_discards {
5289: float: left;
5290: padding-bottom: 5px;
5291: }
5292: div.LC_edit_problem_saves {
5293: float: right;
5294: padding-bottom: 5px;
1.600 albertel 5295: }
5296: hr.LC_edit_problem_divide {
1.602 albertel 5297: clear: both;
1.600 albertel 5298: color: $tabbg;
5299: background-color: $tabbg;
5300: height: 3px;
5301: border: 0px;
5302: }
1.343 albertel 5303: END
5304: }
5305:
1.306 albertel 5306: =pod
5307:
5308: =item * &headtag()
5309:
5310: Returns a uniform footer for LON-CAPA web pages.
5311:
1.307 albertel 5312: Inputs: $title - optional title for the head
5313: $head_extra - optional extra HTML to put inside the <head>
1.315 albertel 5314: $args - optional arguments
1.319 albertel 5315: force_register - if is true call registerurl so the remote is
5316: informed
1.415 albertel 5317: redirect -> array ref of
5318: 1- seconds before redirect occurs
5319: 2- url to redirect to
5320: 3- whether the side effect should occur
1.315 albertel 5321: (side effect of setting
5322: $env{'internal.head.redirect'} to the url
5323: redirected too)
1.352 albertel 5324: domain -> force to color decorate a page for a specific
5325: domain
5326: function -> force usage of a specific rolish color scheme
5327: bgcolor -> override the default page bgcolor
1.460 albertel 5328: no_auto_mt_title
5329: -> prevent &mt()ing the title arg
1.464 albertel 5330:
1.306 albertel 5331: =cut
5332:
5333: sub headtag {
1.313 albertel 5334: my ($title,$head_extra,$args) = @_;
1.306 albertel 5335:
1.363 albertel 5336: my $function = $args->{'function'} || &get_users_function();
5337: my $domain = $args->{'domain'} || &determinedomain();
5338: my $bgcolor = $args->{'bgcolor'} || &designparm($function.'.pgbg',$domain);
1.418 albertel 5339: my $url = join(':',$env{'user.name'},$env{'user.domain'},
1.458 albertel 5340: $Apache::lonnet::perlvar{'lonVersion'},
1.531 albertel 5341: #time(),
1.418 albertel 5342: $env{'environment.color.timestamp'},
1.363 albertel 5343: $function,$domain,$bgcolor);
5344:
1.369 www 5345: $url = '/adm/css/'.&escape($url).'.css';
1.363 albertel 5346:
1.308 albertel 5347: my $result =
5348: '<head>'.
1.461 albertel 5349: &font_settings();
1.319 albertel 5350:
1.461 albertel 5351: if (!$args->{'frameset'}) {
5352: $result .= &Apache::lonhtmlcommon::htmlareaheaders();
5353: }
1.319 albertel 5354: if ($args->{'force_register'}) {
5355: $result .= &Apache::lonmenu::registerurl(1);
5356: }
1.436 albertel 5357: if (!$args->{'no_nav_bar'}
5358: && !$args->{'only_body'}
5359: && !$args->{'frameset'}) {
5360: $result .= &help_menu_js();
5361: }
1.319 albertel 5362:
1.314 albertel 5363: if (ref($args->{'redirect'})) {
1.414 albertel 5364: my ($time,$url,$inhibit_continue) = @{$args->{'redirect'}};
1.315 albertel 5365: $url = &Apache::lonenc::check_encrypt($url);
1.414 albertel 5366: if (!$inhibit_continue) {
5367: $env{'internal.head.redirect'} = $url;
5368: }
1.313 albertel 5369: $result.=<<ADDMETA
5370: <meta http-equiv="pragma" content="no-cache" />
1.344 albertel 5371: <meta http-equiv="Refresh" content="$time; url=$url" />
1.313 albertel 5372: ADDMETA
5373: }
1.306 albertel 5374: if (!defined($title)) {
5375: $title = 'The LearningOnline Network with CAPA';
5376: }
1.460 albertel 5377: if (!$args->{'no_auto_mt_title'}) { $title = &mt($title); }
5378: $result .= '<title> LON-CAPA '.$title.'</title>'
1.414 albertel 5379: .'<link rel="stylesheet" type="text/css" href="'.$url.'" />'
5380: .$head_extra;
1.306 albertel 5381: return $result;
5382: }
5383:
5384: =pod
5385:
1.340 albertel 5386: =item * &font_settings()
5387:
5388: Returns neccessary <meta> to set the proper encoding
5389:
5390: Inputs: none
5391:
5392: =cut
5393:
5394: sub font_settings {
5395: my $headerstring='';
1.647 www 5396: if (!$env{'browser.mathml'} && $env{'browser.unicode'}) {
1.340 albertel 5397: $headerstring.=
5398: '<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />';
5399: }
5400: return $headerstring;
5401: }
5402:
1.341 albertel 5403: =pod
5404:
5405: =item * &xml_begin()
5406:
5407: Returns the needed doctype and <html>
5408:
5409: Inputs: none
5410:
5411: =cut
5412:
5413: sub xml_begin {
5414: my $output='';
5415:
1.592 albertel 5416: if ($env{'internal.start_page'}==1) {
5417: &Apache::lonhtmlcommon::init_htmlareafields();
5418: }
1.342 albertel 5419:
1.341 albertel 5420: if ($env{'browser.mathml'}) {
5421: $output='<?xml version="1.0"?>'
5422: #.'<?xml-stylesheet type="text/css" href="/adm/MathML/mathml.css"?>'."\n"
5423: # .'<!DOCTYPE html SYSTEM "/adm/MathML/mathml.dtd" '
5424:
5425: # .'<!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">] >'
5426: .'<!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">'
5427: .'<html xmlns:math="http://www.w3.org/1998/Math/MathML" '
5428: .'xmlns="http://www.w3.org/1999/xhtml">';
5429: } else {
5430: $output='<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html>';
5431: }
5432: return $output;
5433: }
1.340 albertel 5434:
5435: =pod
5436:
1.306 albertel 5437: =item * &endheadtag()
5438:
5439: Returns a uniform </head> for LON-CAPA web pages.
5440:
5441: Inputs: none
5442:
5443: =cut
5444:
5445: sub endheadtag {
5446: return '</head>';
5447: }
5448:
5449: =pod
5450:
5451: =item * &head()
5452:
5453: Returns a uniform complete <head>..</head> section for LON-CAPA web pages.
5454:
1.648 raeburn 5455: Inputs:
5456:
5457: =over 4
5458:
5459: $title - optional title for the page
5460:
5461: $head_extra - optional extra HTML to put inside the <head>
5462:
5463: =back
1.405 albertel 5464:
1.306 albertel 5465: =cut
5466:
5467: sub head {
1.325 albertel 5468: my ($title,$head_extra,$args) = @_;
5469: return &headtag($title,$head_extra,$args).&endheadtag();
1.306 albertel 5470: }
5471:
5472: =pod
5473:
5474: =item * &start_page()
5475:
5476: Returns a complete <html> .. <body> section for LON-CAPA web pages.
5477:
1.648 raeburn 5478: Inputs:
5479:
5480: =over 4
5481:
5482: $title - optional title for the page
5483:
5484: $head_extra - optional extra HTML to incude inside the <head>
5485:
5486: $args - additional optional args supported are:
5487:
5488: =over 8
5489:
5490: only_body -> is true will set &bodytag() onlybodytag
1.317 albertel 5491: arg on
1.648 raeburn 5492: no_nav_bar -> is true will set &bodytag() notopbar arg on
5493: add_entries -> additional attributes to add to the <body>
5494: domain -> force to color decorate a page for a
1.317 albertel 5495: specific domain
1.648 raeburn 5496: function -> force usage of a specific rolish color
1.317 albertel 5497: scheme
1.648 raeburn 5498: redirect -> see &headtag()
5499: bgcolor -> override the default page bg color
5500: js_ready -> return a string ready for being used in
1.317 albertel 5501: a javascript writeln
1.648 raeburn 5502: html_encode -> return a string ready for being used in
1.320 albertel 5503: a html attribute
1.648 raeburn 5504: force_register -> if is true will turn on the &bodytag()
1.317 albertel 5505: $forcereg arg
1.648 raeburn 5506: body_title -> alternate text to use instead of $title
1.326 albertel 5507: in the title box that appears, this text
5508: is not auto translated like the $title is
1.648 raeburn 5509: frameset -> if true will start with a <frameset>
1.330 albertel 5510: rather than <body>
1.648 raeburn 5511: no_title -> if true the title bar won't be shown
5512: skip_phases -> hash ref of
1.338 albertel 5513: head -> skip the <html><head> generation
5514: body -> skip all <body> generation
1.648 raeburn 5515: no_inline_link -> if true and in remote mode, don't show the
1.361 albertel 5516: 'Switch To Inline Menu' link
1.648 raeburn 5517: no_auto_mt_title -> prevent &mt()ing the title arg
5518: inherit_jsmath -> when creating popup window in a page,
5519: should it have jsmath forced on by the
5520: current page
1.361 albertel 5521:
1.648 raeburn 5522: =back
1.460 albertel 5523:
1.648 raeburn 5524: =back
1.562 albertel 5525:
1.306 albertel 5526: =cut
5527:
5528: sub start_page {
1.309 albertel 5529: my ($title,$head_extra,$args) = @_;
1.318 albertel 5530: #&Apache::lonnet::logthis("start_page ".join(':',caller(0)));
1.313 albertel 5531: my %head_args;
1.352 albertel 5532: foreach my $arg ('redirect','force_register','domain','function',
1.460 albertel 5533: 'bgcolor','frameset','no_nav_bar','only_body',
5534: 'no_auto_mt_title') {
1.319 albertel 5535: if (defined($args->{$arg})) {
1.324 raeburn 5536: $head_args{$arg} = $args->{$arg};
1.319 albertel 5537: }
1.313 albertel 5538: }
1.319 albertel 5539:
1.315 albertel 5540: $env{'internal.start_page'}++;
1.338 albertel 5541: my $result;
5542: if (! exists($args->{'skip_phases'}{'head'}) ) {
5543: $result.=
1.341 albertel 5544: &xml_begin().
1.338 albertel 5545: &headtag($title,$head_extra,\%head_args).&endheadtag();
5546: }
5547:
5548: if (! exists($args->{'skip_phases'}{'body'}) ) {
5549: if ($args->{'frameset'}) {
5550: my $attr_string = &make_attr_string($args->{'force_register'},
5551: $args->{'add_entries'});
5552: $result .= "\n<frameset $attr_string>\n";
5553: } else {
5554: $result .=
5555: &bodytag($title,
5556: $args->{'function'}, $args->{'add_entries'},
5557: $args->{'only_body'}, $args->{'domain'},
5558: $args->{'force_register'}, $args->{'body_title'},
5559: $args->{'no_nav_bar'}, $args->{'bgcolor'},
1.460 albertel 5560: $args->{'no_title'}, $args->{'no_inline_link'},
5561: $args);
1.338 albertel 5562: }
1.330 albertel 5563: }
1.338 albertel 5564:
1.315 albertel 5565: if ($args->{'js_ready'}) {
1.317 albertel 5566: $result = &js_ready($result);
1.315 albertel 5567: }
1.320 albertel 5568: if ($args->{'html_encode'}) {
5569: $result = &html_encode($result);
5570: }
1.315 albertel 5571: return $result;
1.306 albertel 5572: }
5573:
1.330 albertel 5574:
1.306 albertel 5575: =pod
5576:
5577: =item * &head()
5578:
5579: Returns a complete </body></html> section for LON-CAPA web pages.
5580:
1.315 albertel 5581: Inputs: $args - additional optional args supported are:
5582: js_ready -> return a string ready for being used in
5583: a javascript writeln
1.320 albertel 5584: html_encode -> return a string ready for being used in
5585: a html attribute
1.330 albertel 5586: frameset -> if true will start with a <frameset>
5587: rather than <body>
1.493 albertel 5588: dicsussion -> if true will get discussion from
5589: lonxml::xmlend
5590: (you can pass the target and parser arguments
5591: through optional 'target' and 'parser' args
5592: to this routine)
1.306 albertel 5593:
5594: =cut
5595:
5596: sub end_page {
1.315 albertel 5597: my ($args) = @_;
5598: $env{'internal.end_page'}++;
1.330 albertel 5599: my $result;
1.335 albertel 5600: if ($args->{'discussion'}) {
5601: my ($target,$parser);
5602: if (ref($args->{'discussion'})) {
5603: ($target,$parser) =($args->{'discussion'}{'target'},
5604: $args->{'discussion'}{'parser'});
5605: }
5606: $result .= &Apache::lonxml::xmlend($target,$parser);
5607: }
5608:
1.330 albertel 5609: if ($args->{'frameset'}) {
5610: $result .= '</frameset>';
5611: } else {
1.635 raeburn 5612: $result .= &endbodytag($args);
1.330 albertel 5613: }
5614: $result .= "\n</html>";
5615:
1.315 albertel 5616: if ($args->{'js_ready'}) {
1.317 albertel 5617: $result = &js_ready($result);
1.315 albertel 5618: }
1.335 albertel 5619:
1.320 albertel 5620: if ($args->{'html_encode'}) {
5621: $result = &html_encode($result);
5622: }
1.335 albertel 5623:
1.315 albertel 5624: return $result;
5625: }
5626:
1.320 albertel 5627: sub html_encode {
5628: my ($result) = @_;
5629:
1.322 albertel 5630: $result = &HTML::Entities::encode($result,'<>&"');
1.320 albertel 5631:
5632: return $result;
5633: }
1.317 albertel 5634: sub js_ready {
5635: my ($result) = @_;
5636:
1.323 albertel 5637: $result =~ s/[\n\r]/ /xmsg;
5638: $result =~ s/\\/\\\\/xmsg;
5639: $result =~ s/'/\\'/xmsg;
1.372 albertel 5640: $result =~ s{</}{<\\/}xmsg;
1.317 albertel 5641:
5642: return $result;
5643: }
5644:
1.315 albertel 5645: sub validate_page {
5646: if ( exists($env{'internal.start_page'})
1.316 albertel 5647: && $env{'internal.start_page'} > 1) {
5648: &Apache::lonnet::logthis('start_page called multiple times '.
1.318 albertel 5649: $env{'internal.start_page'}.' '.
1.316 albertel 5650: $ENV{'request.filename'});
1.315 albertel 5651: }
5652: if ( exists($env{'internal.end_page'})
1.316 albertel 5653: && $env{'internal.end_page'} > 1) {
5654: &Apache::lonnet::logthis('end_page called multiple times '.
1.318 albertel 5655: $env{'internal.end_page'}.' '.
1.316 albertel 5656: $env{'request.filename'});
1.315 albertel 5657: }
5658: if ( exists($env{'internal.start_page'})
5659: && ! exists($env{'internal.end_page'})) {
1.316 albertel 5660: &Apache::lonnet::logthis('start_page called without end_page '.
5661: $env{'request.filename'});
1.315 albertel 5662: }
5663: if ( ! exists($env{'internal.start_page'})
5664: && exists($env{'internal.end_page'})) {
1.316 albertel 5665: &Apache::lonnet::logthis('end_page called without start_page'.
5666: $env{'request.filename'});
1.315 albertel 5667: }
1.306 albertel 5668: }
1.315 albertel 5669:
1.318 albertel 5670: sub simple_error_page {
5671: my ($r,$title,$msg) = @_;
5672: my $page =
5673: &Apache::loncommon::start_page($title).
5674: &mt($msg).
5675: &Apache::loncommon::end_page();
5676: if (ref($r)) {
5677: $r->print($page);
1.327 albertel 5678: return;
1.318 albertel 5679: }
5680: return $page;
5681: }
1.347 albertel 5682:
5683: {
1.610 albertel 5684: my @row_count;
1.347 albertel 5685: sub start_data_table {
1.422 albertel 5686: my ($add_class) = @_;
5687: my $css_class = (join(' ','LC_data_table',$add_class));
1.610 albertel 5688: unshift(@row_count,0);
1.422 albertel 5689: return '<table class="'.$css_class.'">'."\n";
1.347 albertel 5690: }
5691:
5692: sub end_data_table {
1.610 albertel 5693: shift(@row_count);
1.389 albertel 5694: return '</table>'."\n";;
1.347 albertel 5695: }
5696:
5697: sub start_data_table_row {
1.422 albertel 5698: my ($add_class) = @_;
1.610 albertel 5699: $row_count[0]++;
5700: my $css_class = ($row_count[0] % 2)?'LC_odd_row':'LC_even_row';
1.428 albertel 5701: $css_class = (join(' ',$css_class,$add_class));
1.422 albertel 5702: return '<tr class="'.$css_class.'">'."\n";;
1.347 albertel 5703: }
1.471 banghart 5704:
5705: sub continue_data_table_row {
5706: my ($add_class) = @_;
1.610 albertel 5707: my $css_class = ($row_count[0] % 2)?'LC_odd_row':'LC_even_row';
1.471 banghart 5708: $css_class = (join(' ',$css_class,$add_class));
5709: return '<tr class="'.$css_class.'">'."\n";;
5710: }
1.347 albertel 5711:
5712: sub end_data_table_row {
1.389 albertel 5713: return '</tr>'."\n";;
1.347 albertel 5714: }
1.367 www 5715:
1.421 albertel 5716: sub start_data_table_empty_row {
1.610 albertel 5717: $row_count[0]++;
1.421 albertel 5718: return '<tr class="LC_empty_row" >'."\n";;
5719: }
5720:
5721: sub end_data_table_empty_row {
5722: return '</tr>'."\n";;
5723: }
5724:
1.367 www 5725: sub start_data_table_header_row {
1.389 albertel 5726: return '<tr class="LC_header_row">'."\n";;
1.367 www 5727: }
5728:
5729: sub end_data_table_header_row {
1.389 albertel 5730: return '</tr>'."\n";;
1.367 www 5731: }
1.347 albertel 5732: }
5733:
1.548 albertel 5734: =pod
5735:
5736: =item * &inhibit_menu_check($arg)
5737:
5738: Checks for a inhibitmenu state and generates output to preserve it
5739:
5740: Inputs: $arg - can be any of
5741: - undef - in which case the return value is a string
5742: to add into arguments list of a uri
5743: - 'input' - in which case the return value is a HTML
5744: <form> <input> field of type hidden to
5745: preserve the value
5746: - a url - in which case the return value is the url with
5747: the neccesary cgi args added to preserve the
5748: inhibitmenu state
5749: - a ref to a url - no return value, but the string is
5750: updated to include the neccessary cgi
5751: args to preserve the inhibitmenu state
5752:
5753: =cut
5754:
5755: sub inhibit_menu_check {
5756: my ($arg) = @_;
5757: &get_unprocessed_cgi($ENV{'QUERY_STRING'}, ['inhibitmenu']);
5758: if ($arg eq 'input') {
5759: if ($env{'form.inhibitmenu'}) {
5760: return '<input type="hidden" name="inhibitmenu" value="'.$env{'form.inhibitmenu'}.'" />';
5761: } else {
5762: return
5763: }
5764: }
5765: if ($env{'form.inhibitmenu'}) {
5766: if (ref($arg)) {
5767: $$arg .= '?inhibitmenu='.$env{'form.inhibitmenu'};
5768: } elsif ($arg eq '') {
5769: $arg .= 'inhibitmenu='.$env{'form.inhibitmenu'};
5770: } else {
5771: $arg .= '?inhibitmenu='.$env{'form.inhibitmenu'};
5772: }
5773: }
5774: if (!ref($arg)) {
5775: return $arg;
5776: }
5777: }
5778:
1.251 albertel 5779: ###############################################
1.182 matthew 5780:
5781: =pod
5782:
1.549 albertel 5783: =back
5784:
5785: =head1 User Information Routines
5786:
5787: =over 4
5788:
1.405 albertel 5789: =item * &get_users_function()
1.182 matthew 5790:
5791: Used by &bodytag to determine the current users primary role.
5792: Returns either 'student','coordinator','admin', or 'author'.
5793:
5794: =cut
5795:
5796: ###############################################
5797: sub get_users_function {
5798: my $function = 'student';
1.258 albertel 5799: if ($env{'request.role'}=~/^(cc|in|ta|ep)/) {
1.182 matthew 5800: $function='coordinator';
5801: }
1.258 albertel 5802: if ($env{'request.role'}=~/^(su|dc|ad|li)/) {
1.182 matthew 5803: $function='admin';
5804: }
1.258 albertel 5805: if (($env{'request.role'}=~/^(au|ca)/) ||
1.182 matthew 5806: ($ENV{'REQUEST_URI'}=~/^(\/priv|\~)/)) {
5807: $function='author';
5808: }
5809: return $function;
1.54 www 5810: }
1.99 www 5811:
5812: ###############################################
5813:
1.233 raeburn 5814: =pod
5815:
1.542 raeburn 5816: =item * &check_user_status()
1.274 raeburn 5817:
5818: Determines current status of supplied role for a
5819: specific user. Roles can be active, previous or future.
5820:
5821: Inputs:
5822: user's domain, user's username, course's domain,
1.375 raeburn 5823: course's number, optional section ID.
1.274 raeburn 5824:
5825: Outputs:
5826: role status: active, previous or future.
5827:
5828: =cut
5829:
5830: sub check_user_status {
1.412 raeburn 5831: my ($udom,$uname,$cdom,$crs,$role,$sec) = @_;
1.274 raeburn 5832: my %userinfo = &Apache::lonnet::dump('roles',$udom,$uname);
5833: my @uroles = keys %userinfo;
5834: my $srchstr;
5835: my $active_chk = 'none';
1.412 raeburn 5836: my $now = time;
1.274 raeburn 5837: if (@uroles > 0) {
1.412 raeburn 5838: if (($role eq 'cc') || ($sec eq '') || (!defined($sec))) {
1.274 raeburn 5839: $srchstr = '/'.$cdom.'/'.$crs.'_'.$role;
5840: } else {
1.412 raeburn 5841: $srchstr = '/'.$cdom.'/'.$crs.'/'.$sec.'_'.$role;
5842: }
5843: if (grep/^\Q$srchstr\E$/,@uroles) {
1.274 raeburn 5844: my $role_end = 0;
5845: my $role_start = 0;
5846: $active_chk = 'active';
1.412 raeburn 5847: if ($userinfo{$srchstr} =~ m/^\Q$role\E_(\d+)/) {
5848: $role_end = $1;
5849: if ($userinfo{$srchstr} =~ m/^\Q$role\E_\Q$role_end\E_(\d+)$/) {
5850: $role_start = $1;
1.274 raeburn 5851: }
5852: }
5853: if ($role_start > 0) {
1.412 raeburn 5854: if ($now < $role_start) {
1.274 raeburn 5855: $active_chk = 'future';
5856: }
5857: }
5858: if ($role_end > 0) {
1.412 raeburn 5859: if ($now > $role_end) {
1.274 raeburn 5860: $active_chk = 'previous';
5861: }
5862: }
5863: }
5864: }
5865: return $active_chk;
5866: }
5867:
5868: ###############################################
5869:
5870: =pod
5871:
1.405 albertel 5872: =item * &get_sections()
1.233 raeburn 5873:
5874: Determines all the sections for a course including
5875: sections with students and sections containing other roles.
1.419 raeburn 5876: Incoming parameters:
5877:
5878: 1. domain
5879: 2. course number
5880: 3. reference to array containing roles for which sections should
5881: be gathered (optional).
5882: 4. reference to array containing status types for which sections
5883: should be gathered (optional).
5884:
5885: If the third argument is undefined, sections are gathered for any role.
5886: If the fourth argument is undefined, sections are gathered for any status.
5887: Permissible values are 'active' or 'future' or 'previous'.
1.233 raeburn 5888:
1.374 raeburn 5889: Returns section hash (keys are section IDs, values are
5890: number of users in each section), subject to the
1.419 raeburn 5891: optional roles filter, optional status filter
1.233 raeburn 5892:
5893: =cut
5894:
5895: ###############################################
5896: sub get_sections {
1.419 raeburn 5897: my ($cdom,$cnum,$possible_roles,$possible_status) = @_;
1.366 albertel 5898: if (!defined($cdom) || !defined($cnum)) {
5899: my $cid = $env{'request.course.id'};
5900:
5901: return if (!defined($cid));
5902:
5903: $cdom = $env{'course.'.$cid.'.domain'};
5904: $cnum = $env{'course.'.$cid.'.num'};
5905: }
5906:
5907: my %sectioncount;
1.419 raeburn 5908: my $now = time;
1.240 albertel 5909:
1.366 albertel 5910: if (!defined($possible_roles) || (grep(/^st$/,@$possible_roles))) {
1.276 albertel 5911: my ($classlist) = &Apache::loncoursedata::get_classlist($cdom,$cnum);
1.240 albertel 5912: my $sec_index = &Apache::loncoursedata::CL_SECTION();
5913: my $status_index = &Apache::loncoursedata::CL_STATUS();
1.419 raeburn 5914: my $start_index = &Apache::loncoursedata::CL_START();
5915: my $end_index = &Apache::loncoursedata::CL_END();
5916: my $status;
1.366 albertel 5917: while (my ($student,$data) = each(%$classlist)) {
1.419 raeburn 5918: my ($section,$stu_status,$start,$end) = ($data->[$sec_index],
5919: $data->[$status_index],
5920: $data->[$start_index],
5921: $data->[$end_index]);
5922: if ($stu_status eq 'Active') {
5923: $status = 'active';
5924: } elsif ($end < $now) {
5925: $status = 'previous';
5926: } elsif ($start > $now) {
5927: $status = 'future';
5928: }
5929: if ($section ne '-1' && $section !~ /^\s*$/) {
5930: if ((!defined($possible_status)) || (($status ne '') &&
5931: (grep/^\Q$status\E$/,@{$possible_status}))) {
5932: $sectioncount{$section}++;
5933: }
1.240 albertel 5934: }
5935: }
5936: }
5937: my %courseroles = &Apache::lonnet::dump('nohist_userroles',$cdom,$cnum);
5938: foreach my $user (sort(keys(%courseroles))) {
5939: if ($user !~ /^(\w{2})/) { next; }
5940: my ($role) = ($user =~ /^(\w{2})/);
5941: if ($possible_roles && !(grep(/^$role$/,@$possible_roles))) { next; }
1.419 raeburn 5942: my ($section,$status);
1.240 albertel 5943: if ($role eq 'cr' &&
5944: $user =~ m-^$role/[^/]*/[^/]*/[^/]*:[^:]*:[^:]*:(\w+)-) {
5945: $section=$1;
5946: }
5947: if ($user =~ /^$role:[^:]*:[^:]*:(\w+)/) { $section=$1; }
5948: if (!defined($section) || $section eq '-1') { next; }
1.419 raeburn 5949: my ($end,$start) = ($courseroles{$user} =~ /^([^:]*):([^:]*)$/);
5950: if ($end == -1 && $start == -1) {
5951: next; #deleted role
5952: }
5953: if (!defined($possible_status)) {
5954: $sectioncount{$section}++;
5955: } else {
5956: if ((!$end || $end >= $now) && (!$start || $start <= $now)) {
5957: $status = 'active';
5958: } elsif ($end < $now) {
5959: $status = 'future';
5960: } elsif ($start > $now) {
5961: $status = 'previous';
5962: }
5963: if (($status ne '') && (grep/^\Q$status\E$/,@{$possible_status})) {
5964: $sectioncount{$section}++;
5965: }
5966: }
1.233 raeburn 5967: }
1.366 albertel 5968: return %sectioncount;
1.233 raeburn 5969: }
5970:
1.274 raeburn 5971: ###############################################
1.294 raeburn 5972:
5973: =pod
1.405 albertel 5974:
5975: =item * &get_course_users()
5976:
1.275 raeburn 5977: Retrieves usernames:domains for users in the specified course
5978: with specific role(s), and access status.
5979:
5980: Incoming parameters:
1.277 albertel 5981: 1. course domain
5982: 2. course number
5983: 3. access status: users must have - either active,
1.275 raeburn 5984: previous, future, or all.
1.277 albertel 5985: 4. reference to array of permissible roles
1.288 raeburn 5986: 5. reference to array of section restrictions (optional)
5987: 6. reference to results object (hash of hashes).
5988: 7. reference to optional userdata hash
1.609 raeburn 5989: 8. reference to optional statushash
1.630 raeburn 5990: 9. flag if privileged users (except those set to unhide in
5991: course settings) should be excluded
1.609 raeburn 5992: Keys of top level results hash are roles.
1.275 raeburn 5993: Keys of inner hashes are username:domain, with
5994: values set to access type.
1.288 raeburn 5995: Optional userdata hash returns an array with arguments in the
5996: same order as loncoursedata::get_classlist() for student data.
5997:
1.609 raeburn 5998: Optional statushash returns
5999:
1.288 raeburn 6000: Entries for end, start, section and status are blank because
6001: of the possibility of multiple values for non-student roles.
6002:
1.275 raeburn 6003: =cut
1.405 albertel 6004:
1.275 raeburn 6005: ###############################################
1.405 albertel 6006:
1.275 raeburn 6007: sub get_course_users {
1.630 raeburn 6008: my ($cdom,$cnum,$types,$roles,$sections,$users,$userdata,$statushash,$hidepriv) = @_;
1.288 raeburn 6009: my %idx = ();
1.419 raeburn 6010: my %seclists;
1.288 raeburn 6011:
6012: $idx{udom} = &Apache::loncoursedata::CL_SDOM();
6013: $idx{uname} = &Apache::loncoursedata::CL_SNAME();
6014: $idx{end} = &Apache::loncoursedata::CL_END();
6015: $idx{start} = &Apache::loncoursedata::CL_START();
6016: $idx{id} = &Apache::loncoursedata::CL_ID();
6017: $idx{section} = &Apache::loncoursedata::CL_SECTION();
6018: $idx{fullname} = &Apache::loncoursedata::CL_FULLNAME();
6019: $idx{status} = &Apache::loncoursedata::CL_STATUS();
6020:
1.290 albertel 6021: if (grep(/^st$/,@{$roles})) {
1.276 albertel 6022: my ($classlist,$keylist)=&Apache::loncoursedata::get_classlist($cdom,$cnum);
1.278 raeburn 6023: my $now = time;
1.277 albertel 6024: foreach my $student (keys(%{$classlist})) {
1.288 raeburn 6025: my $match = 0;
1.412 raeburn 6026: my $secmatch = 0;
1.419 raeburn 6027: my $section = $$classlist{$student}[$idx{section}];
1.609 raeburn 6028: my $status = $$classlist{$student}[$idx{status}];
1.419 raeburn 6029: if ($section eq '') {
6030: $section = 'none';
6031: }
1.291 albertel 6032: if ((ref($sections) eq 'ARRAY') && (@{$sections} > 0)) {
1.420 albertel 6033: if (grep(/^all$/,@{$sections})) {
1.412 raeburn 6034: $secmatch = 1;
6035: } elsif ($$classlist{$student}[$idx{section}] eq '') {
1.420 albertel 6036: if (grep(/^none$/,@{$sections})) {
1.412 raeburn 6037: $secmatch = 1;
6038: }
6039: } else {
1.419 raeburn 6040: if (grep(/^\Q$section\E$/,@{$sections})) {
1.412 raeburn 6041: $secmatch = 1;
6042: }
1.290 albertel 6043: }
1.412 raeburn 6044: if (!$secmatch) {
6045: next;
6046: }
1.419 raeburn 6047: }
1.275 raeburn 6048: if (defined($$types{'active'})) {
1.288 raeburn 6049: if ($$classlist{$student}[$idx{status}] eq 'Active') {
1.275 raeburn 6050: push(@{$$users{st}{$student}},'active');
1.288 raeburn 6051: $match = 1;
1.275 raeburn 6052: }
6053: }
6054: if (defined($$types{'previous'})) {
1.609 raeburn 6055: if ($$classlist{$student}[$idx{status}] eq 'Expired') {
1.275 raeburn 6056: push(@{$$users{st}{$student}},'previous');
1.288 raeburn 6057: $match = 1;
1.275 raeburn 6058: }
6059: }
6060: if (defined($$types{'future'})) {
1.609 raeburn 6061: if ($$classlist{$student}[$idx{status}] eq 'Future') {
1.275 raeburn 6062: push(@{$$users{st}{$student}},'future');
1.288 raeburn 6063: $match = 1;
1.275 raeburn 6064: }
6065: }
1.609 raeburn 6066: if ($match) {
6067: push(@{$seclists{$student}},$section);
6068: if (ref($userdata) eq 'HASH') {
6069: $$userdata{$student} = $$classlist{$student};
6070: }
6071: if (ref($statushash) eq 'HASH') {
6072: $statushash->{$student}{'st'}{$section} = $status;
6073: }
1.288 raeburn 6074: }
1.275 raeburn 6075: }
6076: }
1.412 raeburn 6077: if ((@{$roles} > 1) || ((@{$roles} == 1) && ($$roles[0] ne "st"))) {
1.439 raeburn 6078: my %coursepersonnel = &Apache::lonnet::dump('nohist_userroles',$cdom,$cnum);
6079: my $now = time;
1.609 raeburn 6080: my %displaystatus = ( previous => 'Expired',
6081: active => 'Active',
6082: future => 'Future',
6083: );
1.630 raeburn 6084: my %nothide;
6085: if ($hidepriv) {
6086: my %coursehash=&Apache::lonnet::coursedescription($cdom.'_'.$cnum);
6087: foreach my $user (split(/\s*\,\s*/,$coursehash{'nothideprivileged'})) {
6088: if ($user !~ /:/) {
6089: $nothide{join(':',split(/[\@]/,$user))}=1;
6090: } else {
6091: $nothide{$user} = 1;
6092: }
6093: }
6094: }
1.439 raeburn 6095: foreach my $person (sort(keys(%coursepersonnel))) {
1.288 raeburn 6096: my $match = 0;
1.412 raeburn 6097: my $secmatch = 0;
1.439 raeburn 6098: my $status;
1.412 raeburn 6099: my ($role,$user,$usec) = ($person =~ /^([^:]*):([^:]+:[^:]+):([^:]*)/);
1.275 raeburn 6100: $user =~ s/:$//;
1.439 raeburn 6101: my ($end,$start) = split(/:/,$coursepersonnel{$person});
6102: if ($end == -1 || $start == -1) {
6103: next;
6104: }
6105: if (($role) && ((grep(/^\Q$role\E$/,@{$roles})) ||
6106: (grep(/^cr$/,@{$roles}) && $role =~ /^cr\//))) {
1.412 raeburn 6107: my ($uname,$udom) = split(/:/,$user);
6108: if ((ref($sections) eq 'ARRAY') && (@{$sections} > 0)) {
1.420 albertel 6109: if (grep(/^all$/,@{$sections})) {
1.412 raeburn 6110: $secmatch = 1;
6111: } elsif ($usec eq '') {
1.420 albertel 6112: if (grep(/^none$/,@{$sections})) {
1.412 raeburn 6113: $secmatch = 1;
6114: }
6115: } else {
6116: if (grep(/^\Q$usec\E$/,@{$sections})) {
6117: $secmatch = 1;
6118: }
6119: }
6120: if (!$secmatch) {
6121: next;
6122: }
1.288 raeburn 6123: }
1.419 raeburn 6124: if ($usec eq '') {
6125: $usec = 'none';
6126: }
1.275 raeburn 6127: if ($uname ne '' && $udom ne '') {
1.630 raeburn 6128: if ($hidepriv) {
6129: if ((&Apache::lonnet::privileged($uname,$udom)) &&
6130: (!$nothide{$uname.':'.$udom})) {
6131: next;
6132: }
6133: }
1.503 raeburn 6134: if ($end > 0 && $end < $now) {
1.439 raeburn 6135: $status = 'previous';
6136: } elsif ($start > $now) {
6137: $status = 'future';
6138: } else {
6139: $status = 'active';
6140: }
1.277 albertel 6141: foreach my $type (keys(%{$types})) {
1.275 raeburn 6142: if ($status eq $type) {
1.420 albertel 6143: if (!grep(/^\Q$type\E$/,@{$$users{$role}{$user}})) {
1.419 raeburn 6144: push(@{$$users{$role}{$user}},$type);
6145: }
1.288 raeburn 6146: $match = 1;
6147: }
6148: }
1.419 raeburn 6149: if (($match) && (ref($userdata) eq 'HASH')) {
6150: if (!exists($$userdata{$uname.':'.$udom})) {
6151: &get_user_info($udom,$uname,\%idx,$userdata);
6152: }
1.420 albertel 6153: if (!grep(/^\Q$usec\E$/,@{$seclists{$uname.':'.$udom}})) {
1.419 raeburn 6154: push(@{$seclists{$uname.':'.$udom}},$usec);
6155: }
1.609 raeburn 6156: if (ref($statushash) eq 'HASH') {
6157: $statushash->{$uname.':'.$udom}{$role}{$usec} = $displaystatus{$status};
6158: }
1.275 raeburn 6159: }
6160: }
6161: }
6162: }
1.290 albertel 6163: if (grep(/^ow$/,@{$roles})) {
1.279 raeburn 6164: if ((defined($cdom)) && (defined($cnum))) {
6165: my %csettings = &Apache::lonnet::get('environment',['internal.courseowner'],$cdom,$cnum);
6166: if ( defined($csettings{'internal.courseowner'}) ) {
6167: my $owner = $csettings{'internal.courseowner'};
1.609 raeburn 6168: next if ($owner eq '');
6169: my ($ownername,$ownerdom);
6170: if ($owner =~ /^([^:]+):([^:]+)$/) {
6171: $ownername = $1;
6172: $ownerdom = $2;
6173: } else {
6174: $ownername = $owner;
6175: $ownerdom = $cdom;
6176: $owner = $ownername.':'.$ownerdom;
1.439 raeburn 6177: }
6178: @{$$users{'ow'}{$owner}} = 'any';
1.290 albertel 6179: if (defined($userdata) &&
1.609 raeburn 6180: !exists($$userdata{$owner})) {
6181: &get_user_info($ownerdom,$ownername,\%idx,$userdata);
6182: if (!grep(/^none$/,@{$seclists{$owner}})) {
6183: push(@{$seclists{$owner}},'none');
6184: }
6185: if (ref($statushash) eq 'HASH') {
6186: $statushash->{$owner}{'ow'}{'none'} = 'Any';
1.419 raeburn 6187: }
1.290 albertel 6188: }
1.279 raeburn 6189: }
6190: }
6191: }
1.419 raeburn 6192: foreach my $user (keys(%seclists)) {
6193: @{$seclists{$user}} = (sort {$a <=> $b} @{$seclists{$user}});
6194: $$userdata{$user}[$idx{section}] = join(',',@{$seclists{$user}});
6195: }
1.275 raeburn 6196: }
6197: return;
6198: }
6199:
1.288 raeburn 6200: sub get_user_info {
6201: my ($udom,$uname,$idx,$userdata) = @_;
1.289 albertel 6202: $$userdata{$uname.':'.$udom}[$$idx{fullname}] =
6203: &plainname($uname,$udom,'lastname');
1.291 albertel 6204: $$userdata{$uname.':'.$udom}[$$idx{uname}] = $uname;
1.297 raeburn 6205: $$userdata{$uname.':'.$udom}[$$idx{udom}] = $udom;
1.609 raeburn 6206: my %idhash = &Apache::lonnet::idrget($udom,($uname));
6207: $$userdata{$uname.':'.$udom}[$$idx{id}] = $idhash{$uname};
1.288 raeburn 6208: return;
6209: }
1.275 raeburn 6210:
1.472 raeburn 6211: ###############################################
6212:
6213: =pod
6214:
6215: =item * &get_user_quota()
6216:
6217: Retrieves quota assigned for storage of portfolio files for a user
6218:
6219: Incoming parameters:
6220: 1. user's username
6221: 2. user's domain
6222:
6223: Returns:
1.536 raeburn 6224: 1. Disk quota (in Mb) assigned to student.
6225: 2. (Optional) Type of setting: custom or default
6226: (individually assigned or default for user's
6227: institutional status).
6228: 3. (Optional) - User's institutional status (e.g., faculty, staff
6229: or student - types as defined in localenroll::inst_usertypes
6230: for user's domain, which determines default quota for user.
6231: 4. (Optional) - Default quota which would apply to the user.
1.472 raeburn 6232:
6233: If a value has been stored in the user's environment,
1.536 raeburn 6234: it will return that, otherwise it returns the maximal default
6235: defined for the user's instituional status(es) in the domain.
1.472 raeburn 6236:
6237: =cut
6238:
6239: ###############################################
6240:
6241:
6242: sub get_user_quota {
6243: my ($uname,$udom) = @_;
1.536 raeburn 6244: my ($quota,$quotatype,$settingstatus,$defquota);
1.472 raeburn 6245: if (!defined($udom)) {
6246: $udom = $env{'user.domain'};
6247: }
6248: if (!defined($uname)) {
6249: $uname = $env{'user.name'};
6250: }
6251: if (($udom eq '' || $uname eq '') ||
6252: ($udom eq 'public') && ($uname eq 'public')) {
6253: $quota = 0;
1.536 raeburn 6254: $quotatype = 'default';
6255: $defquota = 0;
1.472 raeburn 6256: } else {
1.536 raeburn 6257: my $inststatus;
1.472 raeburn 6258: if ($udom eq $env{'user.domain'} && $uname eq $env{'user.name'}) {
6259: $quota = $env{'environment.portfolioquota'};
1.536 raeburn 6260: $inststatus = $env{'environment.inststatus'};
1.472 raeburn 6261: } else {
1.536 raeburn 6262: my %userenv =
6263: &Apache::lonnet::get('environment',['portfolioquota',
6264: 'inststatus'],$udom,$uname);
1.472 raeburn 6265: my ($tmp) = keys(%userenv);
6266: if ($tmp !~ /^(con_lost|error|no_such_host)/i) {
6267: $quota = $userenv{'portfolioquota'};
1.536 raeburn 6268: $inststatus = $userenv{'inststatus'};
1.472 raeburn 6269: } else {
6270: undef(%userenv);
6271: }
6272: }
1.536 raeburn 6273: ($defquota,$settingstatus) = &default_quota($udom,$inststatus);
1.472 raeburn 6274: if ($quota eq '') {
1.536 raeburn 6275: $quota = $defquota;
6276: $quotatype = 'default';
6277: } else {
6278: $quotatype = 'custom';
1.472 raeburn 6279: }
6280: }
1.536 raeburn 6281: if (wantarray) {
6282: return ($quota,$quotatype,$settingstatus,$defquota);
6283: } else {
6284: return $quota;
6285: }
1.472 raeburn 6286: }
6287:
6288: ###############################################
6289:
6290: =pod
6291:
6292: =item * &default_quota()
6293:
1.536 raeburn 6294: Retrieves default quota assigned for storage of user portfolio files,
6295: given an (optional) user's institutional status.
1.472 raeburn 6296:
6297: Incoming parameters:
6298: 1. domain
1.536 raeburn 6299: 2. (Optional) institutional status(es). This is a : separated list of
6300: status types (e.g., faculty, staff, student etc.)
6301: which apply to the user for whom the default is being retrieved.
6302: If the institutional status string in undefined, the domain
6303: default quota will be returned.
1.472 raeburn 6304:
6305: Returns:
6306: 1. Default disk quota (in Mb) for user portfolios in the domain.
1.536 raeburn 6307: 2. (Optional) institutional type which determined the value of the
6308: default quota.
1.472 raeburn 6309:
6310: If a value has been stored in the domain's configuration db,
6311: it will return that, otherwise it returns 20 (for backwards
6312: compatibility with domains which have not set up a configuration
6313: db file; the original statically defined portfolio quota was 20 Mb).
6314:
1.536 raeburn 6315: If the user's status includes multiple types (e.g., staff and student),
6316: the largest default quota which applies to the user determines the
6317: default quota returned.
6318:
1.472 raeburn 6319: =cut
6320:
6321: ###############################################
6322:
6323:
6324: sub default_quota {
1.536 raeburn 6325: my ($udom,$inststatus) = @_;
6326: my ($defquota,$settingstatus);
6327: my %quotahash = &Apache::lonnet::get_dom('configuration',
1.622 raeburn 6328: ['quotas'],$udom);
6329: if (ref($quotahash{'quotas'}) eq 'HASH') {
1.536 raeburn 6330: if ($inststatus ne '') {
6331: my @statuses = split(/:/,$inststatus);
6332: foreach my $item (@statuses) {
1.622 raeburn 6333: if ($quotahash{'quotas'}{$item} ne '') {
1.536 raeburn 6334: if ($defquota eq '') {
1.622 raeburn 6335: $defquota = $quotahash{'quotas'}{$item};
1.536 raeburn 6336: $settingstatus = $item;
1.622 raeburn 6337: } elsif ($quotahash{'quotas'}{$item} > $defquota) {
6338: $defquota = $quotahash{'quotas'}{$item};
1.536 raeburn 6339: $settingstatus = $item;
6340: }
6341: }
6342: }
6343: }
6344: if ($defquota eq '') {
1.622 raeburn 6345: $defquota = $quotahash{'quotas'}{'default'};
1.536 raeburn 6346: $settingstatus = 'default';
6347: }
6348: } else {
6349: $settingstatus = 'default';
6350: $defquota = 20;
6351: }
6352: if (wantarray) {
6353: return ($defquota,$settingstatus);
1.472 raeburn 6354: } else {
1.536 raeburn 6355: return $defquota;
1.472 raeburn 6356: }
6357: }
6358:
1.384 raeburn 6359: sub get_secgrprole_info {
6360: my ($cdom,$cnum,$needroles,$type) = @_;
6361: my %sections_count = &get_sections($cdom,$cnum);
6362: my @sections = (sort {$a <=> $b} keys(%sections_count));
6363: my %curr_groups = &Apache::longroup::coursegroups($cdom,$cnum);
6364: my @groups = sort(keys(%curr_groups));
6365: my $allroles = [];
6366: my $rolehash;
6367: my $accesshash = {
6368: active => 'Currently has access',
6369: future => 'Will have future access',
6370: previous => 'Previously had access',
6371: };
6372: if ($needroles) {
6373: $rolehash = {'all' => 'all'};
1.385 albertel 6374: my %user_roles = &Apache::lonnet::dump('nohist_userroles',$cdom,$cnum);
6375: if (&Apache::lonnet::error(%user_roles)) {
6376: undef(%user_roles);
6377: }
6378: foreach my $item (keys(%user_roles)) {
1.384 raeburn 6379: my ($role)=split(/\:/,$item,2);
6380: if ($role eq 'cr') { next; }
6381: if ($role =~ /^cr/) {
6382: $$rolehash{$role} = (split('/',$role))[3];
6383: } else {
6384: $$rolehash{$role} = &Apache::lonnet::plaintext($role,$type);
6385: }
6386: }
6387: foreach my $key (sort(keys(%{$rolehash}))) {
6388: push(@{$allroles},$key);
6389: }
6390: push (@{$allroles},'st');
6391: $$rolehash{'st'} = &Apache::lonnet::plaintext('st',$type);
6392: }
6393: return (\@sections,\@groups,$allroles,$rolehash,$accesshash);
6394: }
6395:
1.555 raeburn 6396: sub user_picker {
1.627 raeburn 6397: my ($dom,$srch,$forcenewuser,$caller,$cancreate,$usertype) = @_;
1.555 raeburn 6398: my $currdom = $dom;
6399: my %curr_selected = (
6400: srchin => 'dom',
1.580 raeburn 6401: srchby => 'lastname',
1.555 raeburn 6402: );
6403: my $srchterm;
1.625 raeburn 6404: if ((ref($srch) eq 'HASH') && ($env{'form.origform'} ne 'crtusername')) {
1.555 raeburn 6405: if ($srch->{'srchby'} ne '') {
6406: $curr_selected{'srchby'} = $srch->{'srchby'};
6407: }
6408: if ($srch->{'srchin'} ne '') {
6409: $curr_selected{'srchin'} = $srch->{'srchin'};
6410: }
6411: if ($srch->{'srchtype'} ne '') {
6412: $curr_selected{'srchtype'} = $srch->{'srchtype'};
6413: }
6414: if ($srch->{'srchdomain'} ne '') {
6415: $currdom = $srch->{'srchdomain'};
6416: }
6417: $srchterm = $srch->{'srchterm'};
6418: }
6419: my %lt=&Apache::lonlocal::texthash(
1.573 raeburn 6420: 'usr' => 'Search criteria',
1.563 raeburn 6421: 'doma' => 'Domain/institution to search',
1.558 albertel 6422: 'uname' => 'username',
6423: 'lastname' => 'last name',
1.555 raeburn 6424: 'lastfirst' => 'last name, first name',
1.558 albertel 6425: 'crs' => 'in this course',
1.576 raeburn 6426: 'dom' => 'in selected LON-CAPA domain',
1.558 albertel 6427: 'alc' => 'all LON-CAPA',
1.573 raeburn 6428: 'instd' => 'in institutional directory for selected domain',
1.558 albertel 6429: 'exact' => 'is',
6430: 'contains' => 'contains',
1.569 raeburn 6431: 'begins' => 'begins with',
1.571 raeburn 6432: 'youm' => "You must include some text to search for.",
6433: 'thte' => "The text you are searching for must contain at least two characters when using a 'begins' type search.",
6434: 'thet' => "The text you are searching for must contain at least three characters when using a 'contains' type search.",
6435: 'yomc' => "You must choose a domain when using an institutional directory search.",
6436: 'ymcd' => "You must choose a domain when using a domain search.",
6437: 'whus' => "When using searching by last,first you must include a comma as separator between last name and first name.",
6438: 'whse' => "When searching by last,first you must include at least one character in the first name.",
6439: 'thfo' => "The following need to be corrected before the search can be run:",
1.555 raeburn 6440: );
1.563 raeburn 6441: my $domform = &select_dom_form($currdom,'srchdomain',1,1);
6442: my $srchinsel = ' <select name="srchin">';
1.555 raeburn 6443:
6444: my @srchins = ('crs','dom','alc','instd');
6445:
6446: foreach my $option (@srchins) {
6447: # FIXME 'alc' option unavailable until
6448: # loncreateuser::print_user_query_page()
6449: # has been completed.
6450: next if ($option eq 'alc');
6451: next if ($option eq 'crs' && !$env{'request.course.id'});
1.563 raeburn 6452: if ($curr_selected{'srchin'} eq $option) {
6453: $srchinsel .= '
6454: <option value="'.$option.'" selected="selected">'.$lt{$option}.'</option>';
6455: } else {
6456: $srchinsel .= '
6457: <option value="'.$option.'">'.$lt{$option}.'</option>';
6458: }
1.555 raeburn 6459: }
1.563 raeburn 6460: $srchinsel .= "\n </select>\n";
1.555 raeburn 6461:
6462: my $srchbysel = ' <select name="srchby">';
1.580 raeburn 6463: foreach my $option ('lastname','lastfirst','uname') {
1.555 raeburn 6464: if ($curr_selected{'srchby'} eq $option) {
6465: $srchbysel .= '
6466: <option value="'.$option.'" selected="selected">'.$lt{$option}.'</option>';
6467: } else {
6468: $srchbysel .= '
6469: <option value="'.$option.'">'.$lt{$option}.'</option>';
6470: }
6471: }
6472: $srchbysel .= "\n </select>\n";
6473:
6474: my $srchtypesel = ' <select name="srchtype">';
1.580 raeburn 6475: foreach my $option ('begins','contains','exact') {
1.555 raeburn 6476: if ($curr_selected{'srchtype'} eq $option) {
6477: $srchtypesel .= '
6478: <option value="'.$option.'" selected="selected">'.$lt{$option}.'</option>';
6479: } else {
6480: $srchtypesel .= '
6481: <option value="'.$option.'">'.$lt{$option}.'</option>';
6482: }
6483: }
6484: $srchtypesel .= "\n </select>\n";
6485:
1.558 albertel 6486: my ($newuserscript,$new_user_create);
1.556 raeburn 6487:
6488: if ($forcenewuser) {
1.576 raeburn 6489: if (ref($srch) eq 'HASH') {
6490: if ($srch->{'srchby'} eq 'uname' && $srch->{'srchtype'} eq 'exact' && $srch->{'srchin'} eq 'dom' && $srch->{'srchdomain'} eq $env{'request.role.domain'}) {
1.627 raeburn 6491: if ($cancreate) {
6492: $new_user_create = '<p> <input type="submit" name="forcenew" value="'.&HTML::Entities::encode(&mt('Make new user "[_1]"',$srchterm),'<>&"').'" onclick="javascript:setSearch(\'1\','.$caller.');" /> </p>';
6493: } else {
6494: my $helplink = ' href="javascript:helpMenu('."'display'".')"';
6495: my %usertypetext = (
6496: official => 'institutional',
6497: unofficial => 'non-institutional',
6498: );
6499: $new_user_create = '<br /><span class="LC_warning">'.&mt("You are not authorized to create new $usertypetext{$usertype} users in this domain.").' '.&mt('Contact the <a[_1]>helpdesk</a> for assistance.',$helplink).'</span><br /><br />';
6500: }
1.576 raeburn 6501: }
6502: }
6503:
1.556 raeburn 6504: $newuserscript = <<"ENDSCRIPT";
6505:
1.570 raeburn 6506: function setSearch(createnew,callingForm) {
1.556 raeburn 6507: if (createnew == 1) {
1.570 raeburn 6508: for (var i=0; i<callingForm.srchby.length; i++) {
6509: if (callingForm.srchby.options[i].value == 'uname') {
6510: callingForm.srchby.selectedIndex = i;
1.556 raeburn 6511: }
6512: }
1.570 raeburn 6513: for (var i=0; i<callingForm.srchin.length; i++) {
6514: if ( callingForm.srchin.options[i].value == 'dom') {
6515: callingForm.srchin.selectedIndex = i;
1.556 raeburn 6516: }
6517: }
1.570 raeburn 6518: for (var i=0; i<callingForm.srchtype.length; i++) {
6519: if (callingForm.srchtype.options[i].value == 'exact') {
6520: callingForm.srchtype.selectedIndex = i;
1.556 raeburn 6521: }
6522: }
1.570 raeburn 6523: for (var i=0; i<callingForm.srchdomain.length; i++) {
6524: if (callingForm.srchdomain.options[i].value == '$env{'request.role.domain'}') {
6525: callingForm.srchdomain.selectedIndex = i;
1.556 raeburn 6526: }
6527: }
6528: }
6529: }
6530: ENDSCRIPT
1.558 albertel 6531:
1.556 raeburn 6532: }
6533:
1.555 raeburn 6534: my $output = <<"END_BLOCK";
1.556 raeburn 6535: <script type="text/javascript">
1.570 raeburn 6536: function validateEntry(callingForm) {
1.558 albertel 6537:
1.556 raeburn 6538: var checkok = 1;
1.558 albertel 6539: var srchin;
1.570 raeburn 6540: for (var i=0; i<callingForm.srchin.length; i++) {
6541: if ( callingForm.srchin[i].checked ) {
6542: srchin = callingForm.srchin[i].value;
1.558 albertel 6543: }
6544: }
6545:
1.570 raeburn 6546: var srchtype = callingForm.srchtype.options[callingForm.srchtype.selectedIndex].value;
6547: var srchby = callingForm.srchby.options[callingForm.srchby.selectedIndex].value;
6548: var srchdomain = callingForm.srchdomain.options[callingForm.srchdomain.selectedIndex].value;
6549: var srchterm = callingForm.srchterm.value;
6550: var srchin = callingForm.srchin.options[callingForm.srchin.selectedIndex].value;
1.556 raeburn 6551: var msg = "";
6552:
6553: if (srchterm == "") {
6554: checkok = 0;
1.571 raeburn 6555: msg += "$lt{'youm'}\\n";
1.556 raeburn 6556: }
6557:
1.569 raeburn 6558: if (srchtype== 'begins') {
6559: if (srchterm.length < 2) {
6560: checkok = 0;
1.571 raeburn 6561: msg += "$lt{'thte'}\\n";
1.569 raeburn 6562: }
6563: }
6564:
1.556 raeburn 6565: if (srchtype== 'contains') {
6566: if (srchterm.length < 3) {
6567: checkok = 0;
1.571 raeburn 6568: msg += "$lt{'thet'}\\n";
1.556 raeburn 6569: }
6570: }
6571: if (srchin == 'instd') {
6572: if (srchdomain == '') {
6573: checkok = 0;
1.571 raeburn 6574: msg += "$lt{'yomc'}\\n";
1.556 raeburn 6575: }
6576: }
6577: if (srchin == 'dom') {
6578: if (srchdomain == '') {
6579: checkok = 0;
1.571 raeburn 6580: msg += "$lt{'ymcd'}\\n";
1.556 raeburn 6581: }
6582: }
6583: if (srchby == 'lastfirst') {
6584: if (srchterm.indexOf(",") == -1) {
6585: checkok = 0;
1.571 raeburn 6586: msg += "$lt{'whus'}\\n";
1.556 raeburn 6587: }
6588: if (srchterm.indexOf(",") == srchterm.length -1) {
6589: checkok = 0;
1.571 raeburn 6590: msg += "$lt{'whse'}\\n";
1.556 raeburn 6591: }
6592: }
6593: if (checkok == 0) {
1.571 raeburn 6594: alert("$lt{'thfo'}\\n"+msg);
1.556 raeburn 6595: return;
6596: }
6597: if (checkok == 1) {
1.570 raeburn 6598: callingForm.submit();
1.556 raeburn 6599: }
6600: }
6601:
6602: $newuserscript
6603:
6604: </script>
1.558 albertel 6605:
6606: $new_user_create
6607:
1.555 raeburn 6608: <table>
1.558 albertel 6609: <tr>
1.573 raeburn 6610: <td>$lt{'doma'}:</td>
6611: <td>$domform</td>
6612: </td>
6613: </tr>
6614: <tr>
6615: <td>$lt{'usr'}:</td>
1.563 raeburn 6616: <td>$srchbysel
6617: $srchtypesel
6618: <input type="text" size="15" name="srchterm" value="$srchterm" />
1.564 albertel 6619: $srchinsel
1.563 raeburn 6620: </td>
6621: </tr>
1.555 raeburn 6622: </table>
6623: <br />
6624: END_BLOCK
1.558 albertel 6625:
1.555 raeburn 6626: return $output;
6627: }
6628:
1.612 raeburn 6629: sub user_rule_check {
1.615 raeburn 6630: my ($usershash,$checks,$alerts,$rulematch,$inst_results,$curr_rules,$got_rules) = @_;
1.612 raeburn 6631: my $response;
6632: if (ref($usershash) eq 'HASH') {
6633: foreach my $user (keys(%{$usershash})) {
6634: my ($uname,$udom) = split(/:/,$user);
6635: next if ($udom eq '' || $uname eq '');
1.615 raeburn 6636: my ($id,$newuser);
1.612 raeburn 6637: if (ref($usershash->{$user}) eq 'HASH') {
1.615 raeburn 6638: $newuser = $usershash->{$user}->{'newuser'};
1.612 raeburn 6639: $id = $usershash->{$user}->{'id'};
6640: }
6641: my $inst_response;
6642: if (ref($checks) eq 'HASH') {
6643: if (defined($checks->{'username'})) {
1.615 raeburn 6644: ($inst_response,%{$inst_results->{$user}}) =
1.612 raeburn 6645: &Apache::lonnet::get_instuser($udom,$uname);
6646: } elsif (defined($checks->{'id'})) {
1.615 raeburn 6647: ($inst_response,%{$inst_results->{$user}}) =
1.612 raeburn 6648: &Apache::lonnet::get_instuser($udom,undef,$id);
6649: }
1.615 raeburn 6650: } else {
6651: ($inst_response,%{$inst_results->{$user}}) =
6652: &Apache::lonnet::get_instuser($udom,$uname);
6653: return;
1.612 raeburn 6654: }
1.615 raeburn 6655: if (!$got_rules->{$udom}) {
1.612 raeburn 6656: my %domconfig = &Apache::lonnet::get_dom('configuration',
6657: ['usercreation'],$udom);
6658: if (ref($domconfig{'usercreation'}) eq 'HASH') {
1.615 raeburn 6659: foreach my $item ('username','id') {
1.612 raeburn 6660: if (ref($domconfig{'usercreation'}{$item.'_rule'}) eq 'ARRAY') {
6661: $$curr_rules{$udom}{$item} =
6662: $domconfig{'usercreation'}{$item.'_rule'};
1.585 raeburn 6663: }
6664: }
6665: }
1.615 raeburn 6666: $got_rules->{$udom} = 1;
1.585 raeburn 6667: }
1.612 raeburn 6668: foreach my $item (keys(%{$checks})) {
6669: if (ref($$curr_rules{$udom}) eq 'HASH') {
6670: if (ref($$curr_rules{$udom}{$item}) eq 'ARRAY') {
6671: if (@{$$curr_rules{$udom}{$item}} > 0) {
6672: my %rule_check = &Apache::lonnet::inst_rulecheck($udom,$uname,$id,$item,$$curr_rules{$udom}{$item});
6673: foreach my $rule (@{$$curr_rules{$udom}{$item}}) {
6674: if ($rule_check{$rule}) {
6675: $$rulematch{$user}{$item} = $rule;
6676: if ($inst_response eq 'ok') {
1.615 raeburn 6677: if (ref($inst_results) eq 'HASH') {
6678: if (ref($inst_results->{$user}) eq 'HASH') {
6679: if (keys(%{$inst_results->{$user}}) == 0) {
6680: $$alerts{$item}{$udom}{$uname} = 1;
6681: }
1.612 raeburn 6682: }
6683: }
1.615 raeburn 6684: }
6685: last;
1.585 raeburn 6686: }
6687: }
6688: }
6689: }
6690: }
6691: }
6692: }
6693: }
1.612 raeburn 6694: return;
6695: }
6696:
6697: sub user_rule_formats {
6698: my ($domain,$domdesc,$curr_rules,$check) = @_;
6699: my %text = (
6700: 'username' => 'Usernames',
6701: 'id' => 'IDs',
6702: );
6703: my $output;
6704: my ($rules,$ruleorder) = &Apache::lonnet::inst_userrules($domain,$check);
6705: if ((ref($rules) eq 'HASH') && (ref($ruleorder) eq 'ARRAY')) {
6706: if (@{$ruleorder} > 0) {
6707: $output = '<br />'.&mt("$text{$check} with the following format(s) may <span class=\"LC_cusr_emph\">only</span> be used for verified users at [_1]:",$domdesc).' <ul>';
6708: foreach my $rule (@{$ruleorder}) {
6709: if (ref($curr_rules) eq 'ARRAY') {
6710: if (grep(/^\Q$rule\E$/,@{$curr_rules})) {
6711: if (ref($rules->{$rule}) eq 'HASH') {
6712: $output .= '<li>'.$rules->{$rule}{'name'}.': '.
6713: $rules->{$rule}{'desc'}.'</li>';
6714: }
6715: }
6716: }
6717: }
6718: $output .= '</ul>';
6719: }
6720: }
6721: return $output;
6722: }
6723:
6724: sub instrule_disallow_msg {
1.615 raeburn 6725: my ($checkitem,$domdesc,$count,$mode) = @_;
1.612 raeburn 6726: my $response;
6727: my %text = (
6728: item => 'username',
6729: items => 'usernames',
6730: match => 'matches',
6731: do => 'does',
6732: action => 'a username',
6733: one => 'one',
6734: );
6735: if ($count > 1) {
6736: $text{'item'} = 'usernames';
6737: $text{'match'} ='match';
6738: $text{'do'} = 'do';
6739: $text{'action'} = 'usernames',
6740: $text{'one'} = 'ones';
6741: }
6742: if ($checkitem eq 'id') {
6743: $text{'items'} = 'IDs';
6744: $text{'item'} = 'ID';
6745: $text{'action'} = 'an ID';
1.615 raeburn 6746: if ($count > 1) {
6747: $text{'item'} = 'IDs';
6748: $text{'action'} = 'IDs';
6749: }
1.612 raeburn 6750: }
6751: $response = &mt("The $text{'item'} you chose $text{'match'} the format of $text{'items'} defined for <span class=\"LC_cusr_emph\">[_1]</span>, but the $text{'item'} $text{'do'} not exist in the institutional directory.",$domdesc).'<br />';
1.615 raeburn 6752: if ($mode eq 'upload') {
6753: if ($checkitem eq 'username') {
6754: $response .= &mt("You will need to modify your upload file so it will include $text{'action'} with a different format -- $text{'one'} that will not conflict with 'official' institutional $text{'items'}.");
6755: } elsif ($checkitem eq 'id') {
6756: $response .= &mt("Either upload a file which includes $text{'action'} with a different format -- $text{'one'} that will not conflict with 'official' institutional $text{'items'}, or when associating fields with data columns, omit an association for the ID/Student Number field.");
6757: }
6758: } else {
6759: if ($checkitem eq 'username') {
6760: $response .= &mt("You must choose $text{'action'} with a different format -- $text{'one'} that will not conflict with 'official' institutional $text{'items'}.");
6761: } elsif ($checkitem eq 'id') {
6762: $response .= &mt("You must either choose $text{'action'} with a different format -- $text{'one'} that will not conflict with 'official' institutional $text{'items'}, or leave the ID field blank.");
6763: }
1.612 raeburn 6764: }
6765: return $response;
1.585 raeburn 6766: }
6767:
1.624 raeburn 6768: sub personal_data_fieldtitles {
6769: my %fieldtitles = &Apache::lonlocal::texthash (
6770: id => 'Student/Employee ID',
6771: permanentemail => 'E-mail address',
6772: lastname => 'Last Name',
6773: firstname => 'First Name',
6774: middlename => 'Middle Name',
6775: generation => 'Generation',
6776: gen => 'Generation',
6777: );
6778: return %fieldtitles;
6779: }
6780:
1.642 raeburn 6781: sub sorted_inst_types {
6782: my ($dom) = @_;
6783: my ($usertypes,$order) = &Apache::lonnet::retrieve_inst_usertypes($dom);
6784: my $othertitle = &mt('All users');
6785: if ($env{'request.course.id'}) {
6786: $othertitle = 'any';
6787: }
6788: my @types;
6789: if (ref($order) eq 'ARRAY') {
6790: @types = @{$order};
6791: }
6792: if (@types == 0) {
6793: if (ref($usertypes) eq 'HASH') {
6794: @types = sort(keys(%{$usertypes}));
6795: }
6796: }
6797: if (keys(%{$usertypes}) > 0) {
6798: $othertitle = &mt('Other users');
6799: if ($env{'request.course.id'}) {
6800: $othertitle = 'other';
6801: }
6802: }
6803: return ($othertitle,$usertypes,\@types);
6804: }
6805:
1.645 raeburn 6806: sub get_institutional_codes {
6807: my ($settings,$allcourses,$LC_code) = @_;
6808: # Get complete list of course sections to update
6809: my @currsections = ();
6810: my @currxlists = ();
6811: my $coursecode = $$settings{'internal.coursecode'};
6812:
6813: if ($$settings{'internal.sectionnums'} ne '') {
6814: @currsections = split(/,/,$$settings{'internal.sectionnums'});
6815: }
6816:
6817: if ($$settings{'internal.crosslistings'} ne '') {
6818: @currxlists = split(/,/,$$settings{'internal.crosslistings'});
6819: }
6820:
6821: if (@currxlists > 0) {
6822: foreach (@currxlists) {
6823: if (m/^([^:]+):(\w*)$/) {
6824: unless (grep/^$1$/,@{$allcourses}) {
6825: push @{$allcourses},$1;
6826: $$LC_code{$1} = $2;
6827: }
6828: }
6829: }
6830: }
6831:
6832: if (@currsections > 0) {
6833: foreach (@currsections) {
6834: if (m/^(\w+):(\w*)$/) {
6835: my $sec = $coursecode.$1;
6836: my $lc_sec = $2;
6837: unless (grep/^$sec$/,@{$allcourses}) {
6838: push @{$allcourses},$sec;
6839: $$LC_code{$sec} = $lc_sec;
6840: }
6841: }
6842: }
6843: }
6844: return;
6845: }
6846:
1.112 bowersj2 6847: =pod
6848:
1.549 albertel 6849: =back
6850:
6851: =head1 HTTP Helpers
6852:
6853: =over 4
6854:
1.648 raeburn 6855: =item * &get_unprocessed_cgi($query,$possible_names)
1.112 bowersj2 6856:
1.258 albertel 6857: Modify the %env hash to contain unprocessed CGI form parameters held in
1.112 bowersj2 6858: $query. The parameters listed in $possible_names (an array reference),
1.258 albertel 6859: will be set in $env{'form.name'} if they do not already exist.
1.112 bowersj2 6860:
6861: Typically called with $ENV{'QUERY_STRING'} as the first parameter.
6862: $possible_names is an ref to an array of form element names. As an example:
6863: get_unprocessed_cgi($ENV{'QUERY_STRING'},['uname','udom']);
1.258 albertel 6864: will result in $env{'form.uname'} and $env{'form.udom'} being set.
1.112 bowersj2 6865:
6866: =cut
1.1 albertel 6867:
1.6 albertel 6868: sub get_unprocessed_cgi {
1.25 albertel 6869: my ($query,$possible_names)= @_;
1.26 matthew 6870: # $Apache::lonxml::debug=1;
1.356 albertel 6871: foreach my $pair (split(/&/,$query)) {
6872: my ($name, $value) = split(/=/,$pair);
1.369 www 6873: $name = &unescape($name);
1.25 albertel 6874: if (!defined($possible_names) || (grep {$_ eq $name} @$possible_names)) {
6875: $value =~ tr/+/ /;
6876: $value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg;
1.258 albertel 6877: unless (defined($env{'form.'.$name})) { &add_to_env('form.'.$name,$value) };
1.25 albertel 6878: }
1.16 harris41 6879: }
1.6 albertel 6880: }
6881:
1.112 bowersj2 6882: =pod
6883:
1.648 raeburn 6884: =item * &cacheheader()
1.112 bowersj2 6885:
6886: returns cache-controlling header code
6887:
6888: =cut
6889:
1.7 albertel 6890: sub cacheheader {
1.258 albertel 6891: unless ($env{'request.method'} eq 'GET') { return ''; }
1.216 albertel 6892: my $date=strftime("%a, %d %b %Y %H:%M:%S GMT",gmtime);
6893: my $output .='<meta HTTP-EQUIV="Expires" CONTENT="'.$date.'" />
1.7 albertel 6894: <meta HTTP-EQUIV="Cache-control" CONTENT="no-cache" />
6895: <meta HTTP-EQUIV="Pragma" CONTENT="no-cache" />';
1.216 albertel 6896: return $output;
1.7 albertel 6897: }
6898:
1.112 bowersj2 6899: =pod
6900:
1.648 raeburn 6901: =item * &no_cache($r)
1.112 bowersj2 6902:
6903: specifies header code to not have cache
6904:
6905: =cut
6906:
1.9 albertel 6907: sub no_cache {
1.216 albertel 6908: my ($r) = @_;
6909: if ($ENV{'REQUEST_METHOD'} ne 'GET' &&
1.258 albertel 6910: $env{'request.method'} ne 'GET') { return ''; }
1.216 albertel 6911: my $date=strftime("%a, %d %b %Y %H:%M:%S GMT",gmtime(time));
6912: $r->no_cache(1);
6913: $r->header_out("Expires" => $date);
6914: $r->header_out("Pragma" => "no-cache");
1.123 www 6915: }
6916:
6917: sub content_type {
1.181 albertel 6918: my ($r,$type,$charset) = @_;
1.299 foxr 6919: if ($r) {
6920: # Note that printout.pl calls this with undef for $r.
6921: &no_cache($r);
6922: }
1.258 albertel 6923: if ($env{'browser.mathml'} && $type eq 'text/html') { $type='text/xml'; }
1.181 albertel 6924: unless ($charset) {
6925: $charset=&Apache::lonlocal::current_encoding;
6926: }
6927: if ($charset) { $type.='; charset='.$charset; }
6928: if ($r) {
6929: $r->content_type($type);
6930: } else {
6931: print("Content-type: $type\n\n");
6932: }
1.9 albertel 6933: }
1.25 albertel 6934:
1.112 bowersj2 6935: =pod
6936:
1.648 raeburn 6937: =item * &add_to_env($name,$value)
1.112 bowersj2 6938:
1.258 albertel 6939: adds $name to the %env hash with value
1.112 bowersj2 6940: $value, if $name already exists, the entry is converted to an array
6941: reference and $value is added to the array.
6942:
6943: =cut
6944:
1.25 albertel 6945: sub add_to_env {
6946: my ($name,$value)=@_;
1.258 albertel 6947: if (defined($env{$name})) {
6948: if (ref($env{$name})) {
1.25 albertel 6949: #already have multiple values
1.258 albertel 6950: push(@{ $env{$name} },$value);
1.25 albertel 6951: } else {
6952: #first time seeing multiple values, convert hash entry to an arrayref
1.258 albertel 6953: my $first=$env{$name};
6954: undef($env{$name});
6955: push(@{ $env{$name} },$first,$value);
1.25 albertel 6956: }
6957: } else {
1.258 albertel 6958: $env{$name}=$value;
1.25 albertel 6959: }
1.31 albertel 6960: }
1.149 albertel 6961:
6962: =pod
6963:
1.648 raeburn 6964: =item * &get_env_multiple($name)
1.149 albertel 6965:
1.258 albertel 6966: gets $name from the %env hash, it seemlessly handles the cases where multiple
1.149 albertel 6967: values may be defined and end up as an array ref.
6968:
6969: returns an array of values
6970:
6971: =cut
6972:
6973: sub get_env_multiple {
6974: my ($name) = @_;
6975: my @values;
1.258 albertel 6976: if (defined($env{$name})) {
1.149 albertel 6977: # exists is it an array
1.258 albertel 6978: if (ref($env{$name})) {
6979: @values=@{ $env{$name} };
1.149 albertel 6980: } else {
1.258 albertel 6981: $values[0]=$env{$name};
1.149 albertel 6982: }
6983: }
6984: return(@values);
6985: }
6986:
1.31 albertel 6987:
1.41 ng 6988: =pod
1.45 matthew 6989:
1.464 albertel 6990: =back
1.41 ng 6991:
1.112 bowersj2 6992: =head1 CSV Upload/Handling functions
1.38 albertel 6993:
1.41 ng 6994: =over 4
6995:
1.648 raeburn 6996: =item * &upfile_store($r)
1.41 ng 6997:
6998: Store uploaded file, $r should be the HTTP Request object,
1.258 albertel 6999: needs $env{'form.upfile'}
1.41 ng 7000: returns $datatoken to be put into hidden field
7001:
7002: =cut
1.31 albertel 7003:
7004: sub upfile_store {
7005: my $r=shift;
1.258 albertel 7006: $env{'form.upfile'}=~s/\r/\n/gs;
7007: $env{'form.upfile'}=~s/\f/\n/gs;
7008: $env{'form.upfile'}=~s/\n+/\n/gs;
7009: $env{'form.upfile'}=~s/\n+$//gs;
1.31 albertel 7010:
1.258 albertel 7011: my $datatoken=$env{'user.name'}.'_'.$env{'user.domain'}.
7012: '_enroll_'.$env{'request.course.id'}.'_'.time.'_'.$$;
1.31 albertel 7013: {
1.158 raeburn 7014: my $datafile = $r->dir_config('lonDaemons').
7015: '/tmp/'.$datatoken.'.tmp';
7016: if ( open(my $fh,">$datafile") ) {
1.258 albertel 7017: print $fh $env{'form.upfile'};
1.158 raeburn 7018: close($fh);
7019: }
1.31 albertel 7020: }
7021: return $datatoken;
7022: }
7023:
1.56 matthew 7024: =pod
7025:
1.648 raeburn 7026: =item * &load_tmp_file($r)
1.41 ng 7027:
7028: Load uploaded file from tmp, $r should be the HTTP Request object,
1.258 albertel 7029: needs $env{'form.datatoken'},
7030: sets $env{'form.upfile'} to the contents of the file
1.41 ng 7031:
7032: =cut
1.31 albertel 7033:
7034: sub load_tmp_file {
7035: my $r=shift;
7036: my @studentdata=();
7037: {
1.158 raeburn 7038: my $studentfile = $r->dir_config('lonDaemons').
1.258 albertel 7039: '/tmp/'.$env{'form.datatoken'}.'.tmp';
1.158 raeburn 7040: if ( open(my $fh,"<$studentfile") ) {
7041: @studentdata=<$fh>;
7042: close($fh);
7043: }
1.31 albertel 7044: }
1.258 albertel 7045: $env{'form.upfile'}=join('',@studentdata);
1.31 albertel 7046: }
7047:
1.56 matthew 7048: =pod
7049:
1.648 raeburn 7050: =item * &upfile_record_sep()
1.41 ng 7051:
7052: Separate uploaded file into records
7053: returns array of records,
1.258 albertel 7054: needs $env{'form.upfile'} and $env{'form.upfiletype'}
1.41 ng 7055:
7056: =cut
1.31 albertel 7057:
7058: sub upfile_record_sep {
1.258 albertel 7059: if ($env{'form.upfiletype'} eq 'xml') {
1.31 albertel 7060: } else {
1.248 albertel 7061: my @records;
1.258 albertel 7062: foreach my $line (split(/\n/,$env{'form.upfile'})) {
1.248 albertel 7063: if ($line=~/^\s*$/) { next; }
7064: push(@records,$line);
7065: }
7066: return @records;
1.31 albertel 7067: }
7068: }
7069:
1.56 matthew 7070: =pod
7071:
1.648 raeburn 7072: =item * &record_sep($record)
1.41 ng 7073:
1.258 albertel 7074: Separate a record into fields $record should be an item from the upfile_record_sep(), needs $env{'form.upfiletype'}
1.41 ng 7075:
7076: =cut
7077:
1.263 www 7078: sub takeleft {
7079: my $index=shift;
7080: return substr('0000'.$index,-4,4);
7081: }
7082:
1.31 albertel 7083: sub record_sep {
7084: my $record=shift;
7085: my %components=();
1.258 albertel 7086: if ($env{'form.upfiletype'} eq 'xml') {
7087: } elsif ($env{'form.upfiletype'} eq 'space') {
1.31 albertel 7088: my $i=0;
1.356 albertel 7089: foreach my $field (split(/\s+/,$record)) {
1.31 albertel 7090: $field=~s/^(\"|\')//;
7091: $field=~s/(\"|\')$//;
1.263 www 7092: $components{&takeleft($i)}=$field;
1.31 albertel 7093: $i++;
7094: }
1.258 albertel 7095: } elsif ($env{'form.upfiletype'} eq 'tab') {
1.31 albertel 7096: my $i=0;
1.356 albertel 7097: foreach my $field (split(/\t/,$record)) {
1.31 albertel 7098: $field=~s/^(\"|\')//;
7099: $field=~s/(\"|\')$//;
1.263 www 7100: $components{&takeleft($i)}=$field;
1.31 albertel 7101: $i++;
7102: }
7103: } else {
1.561 www 7104: my $separator=',';
1.480 banghart 7105: if ($env{'form.upfiletype'} eq 'semisv') {
1.561 www 7106: $separator=';';
1.480 banghart 7107: }
1.31 albertel 7108: my $i=0;
1.561 www 7109: # the character we are looking for to indicate the end of a quote or a record
7110: my $looking_for=$separator;
7111: # do not add the characters to the fields
7112: my $ignore=0;
7113: # we just encountered a separator (or the beginning of the record)
7114: my $just_found_separator=1;
7115: # store the field we are working on here
7116: my $field='';
7117: # work our way through all characters in record
7118: foreach my $character ($record=~/(.)/g) {
7119: if ($character eq $looking_for) {
7120: if ($character ne $separator) {
7121: # Found the end of a quote, again looking for separator
7122: $looking_for=$separator;
7123: $ignore=1;
7124: } else {
7125: # Found a separator, store away what we got
7126: $components{&takeleft($i)}=$field;
7127: $i++;
7128: $just_found_separator=1;
7129: $ignore=0;
7130: $field='';
7131: }
7132: next;
7133: }
7134: # single or double quotation marks after a separator indicate beginning of a quote
7135: # we are now looking for the end of the quote and need to ignore separators
7136: if ((($character eq '"') || ($character eq "'")) && ($just_found_separator)) {
7137: $looking_for=$character;
7138: next;
7139: }
7140: # ignore would be true after we reached the end of a quote
7141: if ($ignore) { next; }
7142: if (($just_found_separator) && ($character=~/\s/)) { next; }
7143: $field.=$character;
7144: $just_found_separator=0;
1.31 albertel 7145: }
1.561 www 7146: # catch the very last entry, since we never encountered the separator
7147: $components{&takeleft($i)}=$field;
1.31 albertel 7148: }
7149: return %components;
7150: }
7151:
1.144 matthew 7152: ######################################################
7153: ######################################################
7154:
1.56 matthew 7155: =pod
7156:
1.648 raeburn 7157: =item * &upfile_select_html()
1.41 ng 7158:
1.144 matthew 7159: Return HTML code to select a file from the users machine and specify
7160: the file type.
1.41 ng 7161:
7162: =cut
7163:
1.144 matthew 7164: ######################################################
7165: ######################################################
1.31 albertel 7166: sub upfile_select_html {
1.144 matthew 7167: my %Types = (
7168: csv => &mt('CSV (comma separated values, spreadsheet)'),
1.480 banghart 7169: semisv => &mt('Semicolon separated values'),
1.144 matthew 7170: space => &mt('Space separated'),
7171: tab => &mt('Tabulator separated'),
7172: # xml => &mt('HTML/XML'),
7173: );
7174: my $Str = '<input type="file" name="upfile" size="50" />'.
7175: '<br />Type: <select name="upfiletype">';
7176: foreach my $type (sort(keys(%Types))) {
7177: $Str .= '<option value="'.$type.'" >'.$Types{$type}."</option>\n";
7178: }
7179: $Str .= "</select>\n";
7180: return $Str;
1.31 albertel 7181: }
7182:
1.301 albertel 7183: sub get_samples {
7184: my ($records,$toget) = @_;
7185: my @samples=({});
7186: my $got=0;
7187: foreach my $rec (@$records) {
7188: my %temp = &record_sep($rec);
7189: if (! grep(/\S/, values(%temp))) { next; }
7190: if (%temp) {
7191: $samples[$got]=\%temp;
7192: $got++;
7193: if ($got == $toget) { last; }
7194: }
7195: }
7196: return \@samples;
7197: }
7198:
1.144 matthew 7199: ######################################################
7200: ######################################################
7201:
1.56 matthew 7202: =pod
7203:
1.648 raeburn 7204: =item * &csv_print_samples($r,$records)
1.41 ng 7205:
7206: Prints a table of sample values from each column uploaded $r is an
7207: Apache Request ref, $records is an arrayref from
7208: &Apache::loncommon::upfile_record_sep
7209:
7210: =cut
7211:
1.144 matthew 7212: ######################################################
7213: ######################################################
1.31 albertel 7214: sub csv_print_samples {
7215: my ($r,$records) = @_;
1.301 albertel 7216: my $samples = &get_samples($records,3);
7217:
1.594 raeburn 7218: $r->print(&mt('Samples').'<br />'.&start_data_table().
7219: &start_data_table_header_row());
1.356 albertel 7220: foreach my $sample (sort({$a <=> $b} keys(%{ $samples->[0] }))) {
7221: $r->print('<th>'.&mt('Column [_1]',($sample+1)).'</th>'); }
1.594 raeburn 7222: $r->print(&end_data_table_header_row());
1.301 albertel 7223: foreach my $hash (@$samples) {
1.594 raeburn 7224: $r->print(&start_data_table_row());
1.356 albertel 7225: foreach my $sample (sort({$a <=> $b} keys(%{ $samples->[0] }))) {
1.31 albertel 7226: $r->print('<td>');
1.356 albertel 7227: if (defined($$hash{$sample})) { $r->print($$hash{$sample}); }
1.31 albertel 7228: $r->print('</td>');
7229: }
1.594 raeburn 7230: $r->print(&end_data_table_row());
1.31 albertel 7231: }
1.594 raeburn 7232: $r->print(&end_data_table().'<br />'."\n");
1.31 albertel 7233: }
7234:
1.144 matthew 7235: ######################################################
7236: ######################################################
7237:
1.56 matthew 7238: =pod
7239:
1.648 raeburn 7240: =item * &csv_print_select_table($r,$records,$d)
1.41 ng 7241:
7242: Prints a table to create associations between values and table columns.
1.144 matthew 7243:
1.41 ng 7244: $r is an Apache Request ref,
7245: $records is an arrayref from &Apache::loncommon::upfile_record_sep,
1.174 matthew 7246: $d is an array of 2 element arrays (internal name, displayed name,defaultcol)
1.41 ng 7247:
7248: =cut
7249:
1.144 matthew 7250: ######################################################
7251: ######################################################
1.31 albertel 7252: sub csv_print_select_table {
7253: my ($r,$records,$d) = @_;
1.301 albertel 7254: my $i=0;
7255: my $samples = &get_samples($records,1);
1.144 matthew 7256: $r->print(&mt('Associate columns with student attributes.')."\n".
1.594 raeburn 7257: &start_data_table().&start_data_table_header_row().
1.144 matthew 7258: '<th>'.&mt('Attribute').'</th>'.
1.594 raeburn 7259: '<th>'.&mt('Column').'</th>'.
7260: &end_data_table_header_row()."\n");
1.356 albertel 7261: foreach my $array_ref (@$d) {
7262: my ($value,$display,$defaultcol)=@{ $array_ref };
1.594 raeburn 7263: $r->print(&start_data_table_row().'<tr><td>'.$display.'</td>');
1.31 albertel 7264:
7265: $r->print('<td><select name=f'.$i.
1.32 matthew 7266: ' onchange="javascript:flip(this.form,'.$i.');">');
1.31 albertel 7267: $r->print('<option value="none"></option>');
1.356 albertel 7268: foreach my $sample (sort({$a <=> $b} keys(%{ $samples->[0] }))) {
7269: $r->print('<option value="'.$sample.'"'.
7270: ($sample eq $defaultcol ? ' selected="selected" ' : '').
7271: '>Column '.($sample+1).'</option>');
1.31 albertel 7272: }
1.594 raeburn 7273: $r->print('</select></td>'.&end_data_table_row()."\n");
1.31 albertel 7274: $i++;
7275: }
1.594 raeburn 7276: $r->print(&end_data_table());
1.31 albertel 7277: $i--;
7278: return $i;
7279: }
1.56 matthew 7280:
1.144 matthew 7281: ######################################################
7282: ######################################################
7283:
1.56 matthew 7284: =pod
1.31 albertel 7285:
1.648 raeburn 7286: =item * &csv_samples_select_table($r,$records,$d)
1.41 ng 7287:
7288: Prints a table of sample values from the upload and can make associate samples to internal names.
7289:
7290: $r is an Apache Request ref,
7291: $records is an arrayref from &Apache::loncommon::upfile_record_sep,
7292: $d is an array of 2 element arrays (internal name, displayed name)
7293:
7294: =cut
7295:
1.144 matthew 7296: ######################################################
7297: ######################################################
1.31 albertel 7298: sub csv_samples_select_table {
7299: my ($r,$records,$d) = @_;
7300: my $i=0;
1.144 matthew 7301: #
1.301 albertel 7302: my $samples = &get_samples($records,3);
1.594 raeburn 7303: $r->print(&start_data_table().
7304: &start_data_table_header_row().'<th>'.
7305: &mt('Field').'</th><th>'.&mt('Samples').'</th>'.
7306: &end_data_table_header_row());
1.301 albertel 7307:
7308: foreach my $key (sort(keys(%{ $samples->[0] }))) {
1.594 raeburn 7309: $r->print(&start_data_table_row().'<td><select name="f'.$i.'"'.
1.32 matthew 7310: ' onchange="javascript:flip(this.form,'.$i.');">');
1.301 albertel 7311: foreach my $option (@$d) {
7312: my ($value,$display,$defaultcol)=@{ $option };
1.174 matthew 7313: $r->print('<option value="'.$value.'"'.
1.253 albertel 7314: ($i eq $defaultcol ? ' selected="selected" ':'').'>'.
1.174 matthew 7315: $display.'</option>');
1.31 albertel 7316: }
7317: $r->print('</select></td><td>');
1.301 albertel 7318: foreach my $line (0..2) {
7319: if (defined($samples->[$line]{$key})) {
7320: $r->print($samples->[$line]{$key}."<br />\n");
7321: }
7322: }
1.594 raeburn 7323: $r->print('</td>'.&end_data_table_row());
1.31 albertel 7324: $i++;
7325: }
1.594 raeburn 7326: $r->print(&end_data_table());
1.31 albertel 7327: $i--;
7328: return($i);
1.115 matthew 7329: }
7330:
1.144 matthew 7331: ######################################################
7332: ######################################################
7333:
1.115 matthew 7334: =pod
7335:
1.648 raeburn 7336: =item * &clean_excel_name($name)
1.115 matthew 7337:
7338: Returns a replacement for $name which does not contain any illegal characters.
7339:
7340: =cut
7341:
1.144 matthew 7342: ######################################################
7343: ######################################################
1.115 matthew 7344: sub clean_excel_name {
7345: my ($name) = @_;
7346: $name =~ s/[:\*\?\/\\]//g;
7347: if (length($name) > 31) {
7348: $name = substr($name,0,31);
7349: }
7350: return $name;
1.25 albertel 7351: }
1.84 albertel 7352:
1.85 albertel 7353: =pod
7354:
1.648 raeburn 7355: =item * &check_if_partid_hidden($id,$symb,$udom,$uname)
1.85 albertel 7356:
7357: Returns either 1 or undef
7358:
7359: 1 if the part is to be hidden, undef if it is to be shown
7360:
7361: Arguments are:
7362:
7363: $id the id of the part to be checked
7364: $symb, optional the symb of the resource to check
7365: $udom, optional the domain of the user to check for
7366: $uname, optional the username of the user to check for
7367:
7368: =cut
1.84 albertel 7369:
7370: sub check_if_partid_hidden {
7371: my ($id,$symb,$udom,$uname) = @_;
1.133 albertel 7372: my $hiddenparts=&Apache::lonnet::EXT('resource.0.hiddenparts',
1.84 albertel 7373: $symb,$udom,$uname);
1.141 albertel 7374: my $truth=1;
7375: #if the string starts with !, then the list is the list to show not hide
7376: if ($hiddenparts=~s/^\s*!//) { $truth=undef; }
1.84 albertel 7377: my @hiddenlist=split(/,/,$hiddenparts);
7378: foreach my $checkid (@hiddenlist) {
1.141 albertel 7379: if ($checkid =~ /^\s*\Q$id\E\s*$/) { return $truth; }
1.84 albertel 7380: }
1.141 albertel 7381: return !$truth;
1.84 albertel 7382: }
1.127 matthew 7383:
1.138 matthew 7384:
7385: ############################################################
7386: ############################################################
7387:
7388: =pod
7389:
1.157 matthew 7390: =back
7391:
1.138 matthew 7392: =head1 cgi-bin script and graphing routines
7393:
1.157 matthew 7394: =over 4
7395:
1.648 raeburn 7396: =item * &get_cgi_id()
1.138 matthew 7397:
7398: Inputs: none
7399:
7400: Returns an id which can be used to pass environment variables
7401: to various cgi-bin scripts. These environment variables will
7402: be removed from the users environment after a given time by
7403: the routine &Apache::lonnet::transfer_profile_to_env.
7404:
7405: =cut
7406:
7407: ############################################################
7408: ############################################################
1.152 albertel 7409: my $uniq=0;
1.136 matthew 7410: sub get_cgi_id {
1.154 albertel 7411: $uniq=($uniq+1)%100000;
1.280 albertel 7412: return (time.'_'.$$.'_'.$uniq);
1.136 matthew 7413: }
7414:
1.127 matthew 7415: ############################################################
7416: ############################################################
7417:
7418: =pod
7419:
1.648 raeburn 7420: =item * &DrawBarGraph()
1.127 matthew 7421:
1.138 matthew 7422: Facilitates the plotting of data in a (stacked) bar graph.
7423: Puts plot definition data into the users environment in order for
7424: graph.png to plot it. Returns an <img> tag for the plot.
7425: The bars on the plot are labeled '1','2',...,'n'.
7426:
7427: Inputs:
7428:
7429: =over 4
7430:
7431: =item $Title: string, the title of the plot
7432:
7433: =item $xlabel: string, text describing the X-axis of the plot
7434:
7435: =item $ylabel: string, text describing the Y-axis of the plot
7436:
7437: =item $Max: scalar, the maximum Y value to use in the plot
7438: If $Max is < any data point, the graph will not be rendered.
7439:
1.140 matthew 7440: =item $colors: array ref holding the colors to be used for the data sets when
1.138 matthew 7441: they are plotted. If undefined, default values will be used.
7442:
1.178 matthew 7443: =item $labels: array ref holding the labels to use on the x-axis for the bars.
7444:
1.138 matthew 7445: =item @Values: An array of array references. Each array reference holds data
7446: to be plotted in a stacked bar chart.
7447:
1.239 matthew 7448: =item If the final element of @Values is a hash reference the key/value
7449: pairs will be added to the graph definition.
7450:
1.138 matthew 7451: =back
7452:
7453: Returns:
7454:
7455: An <img> tag which references graph.png and the appropriate identifying
7456: information for the plot.
7457:
1.127 matthew 7458: =cut
7459:
7460: ############################################################
7461: ############################################################
1.134 matthew 7462: sub DrawBarGraph {
1.178 matthew 7463: my ($Title,$xlabel,$ylabel,$Max,$colors,$labels,@Values)=@_;
1.134 matthew 7464: #
7465: if (! defined($colors)) {
7466: $colors = ['#33ff00',
7467: '#0033cc', '#990000', '#aaaa66', '#663399', '#ff9933',
7468: '#66ccff', '#ff9999', '#cccc33', '#660000', '#33cc66',
7469: ];
7470: }
1.228 matthew 7471: my $extra_settings = {};
7472: if (ref($Values[-1]) eq 'HASH') {
7473: $extra_settings = pop(@Values);
7474: }
1.127 matthew 7475: #
1.136 matthew 7476: my $identifier = &get_cgi_id();
7477: my $id = 'cgi.'.$identifier;
1.129 matthew 7478: if (! @Values || ref($Values[0]) ne 'ARRAY') {
1.127 matthew 7479: return '';
7480: }
1.225 matthew 7481: #
7482: my @Labels;
7483: if (defined($labels)) {
7484: @Labels = @$labels;
7485: } else {
7486: for (my $i=0;$i<@{$Values[0]};$i++) {
7487: push (@Labels,$i+1);
7488: }
7489: }
7490: #
1.129 matthew 7491: my $NumBars = scalar(@{$Values[0]});
1.225 matthew 7492: if ($NumBars < scalar(@Labels)) { $NumBars = scalar(@Labels); }
1.129 matthew 7493: my %ValuesHash;
7494: my $NumSets=1;
7495: foreach my $array (@Values) {
7496: next if (! ref($array));
1.136 matthew 7497: $ValuesHash{$id.'.data.'.$NumSets++} =
1.132 matthew 7498: join(',',@$array);
1.129 matthew 7499: }
1.127 matthew 7500: #
1.136 matthew 7501: my ($height,$width,$xskip,$bar_width) = (200,120,1,15);
1.225 matthew 7502: if ($NumBars < 3) {
7503: $width = 120+$NumBars*32;
1.220 matthew 7504: $xskip = 1;
1.225 matthew 7505: $bar_width = 30;
7506: } elsif ($NumBars < 5) {
7507: $width = 120+$NumBars*20;
7508: $xskip = 1;
7509: $bar_width = 20;
1.220 matthew 7510: } elsif ($NumBars < 10) {
1.136 matthew 7511: $width = 120+$NumBars*15;
7512: $xskip = 1;
7513: $bar_width = 15;
7514: } elsif ($NumBars <= 25) {
7515: $width = 120+$NumBars*11;
7516: $xskip = 5;
7517: $bar_width = 8;
7518: } elsif ($NumBars <= 50) {
7519: $width = 120+$NumBars*8;
7520: $xskip = 5;
7521: $bar_width = 4;
7522: } else {
7523: $width = 120+$NumBars*8;
7524: $xskip = 5;
7525: $bar_width = 4;
7526: }
7527: #
1.137 matthew 7528: $Max = 1 if ($Max < 1);
7529: if ( int($Max) < $Max ) {
7530: $Max++;
7531: $Max = int($Max);
7532: }
1.127 matthew 7533: $Title = '' if (! defined($Title));
7534: $xlabel = '' if (! defined($xlabel));
7535: $ylabel = '' if (! defined($ylabel));
1.369 www 7536: $ValuesHash{$id.'.title'} = &escape($Title);
7537: $ValuesHash{$id.'.xlabel'} = &escape($xlabel);
7538: $ValuesHash{$id.'.ylabel'} = &escape($ylabel);
1.137 matthew 7539: $ValuesHash{$id.'.y_max_value'} = $Max;
1.136 matthew 7540: $ValuesHash{$id.'.NumBars'} = $NumBars;
7541: $ValuesHash{$id.'.NumSets'} = $NumSets;
7542: $ValuesHash{$id.'.PlotType'} = 'bar';
7543: $ValuesHash{$id.'.Colors'} = join(',',@{$colors});
7544: $ValuesHash{$id.'.height'} = $height;
7545: $ValuesHash{$id.'.width'} = $width;
7546: $ValuesHash{$id.'.xskip'} = $xskip;
7547: $ValuesHash{$id.'.bar_width'} = $bar_width;
7548: $ValuesHash{$id.'.labels'} = join(',',@Labels);
1.127 matthew 7549: #
1.228 matthew 7550: # Deal with other parameters
7551: while (my ($key,$value) = each(%$extra_settings)) {
7552: $ValuesHash{$id.'.'.$key} = $value;
7553: }
7554: #
1.646 raeburn 7555: &Apache::lonnet::appenv(\%ValuesHash);
1.137 matthew 7556: return '<img src="/cgi-bin/graph.png?'.$identifier.'" border="1" />';
7557: }
7558:
7559: ############################################################
7560: ############################################################
7561:
7562: =pod
7563:
1.648 raeburn 7564: =item * &DrawXYGraph()
1.137 matthew 7565:
1.138 matthew 7566: Facilitates the plotting of data in an XY graph.
7567: Puts plot definition data into the users environment in order for
7568: graph.png to plot it. Returns an <img> tag for the plot.
7569:
7570: Inputs:
7571:
7572: =over 4
7573:
7574: =item $Title: string, the title of the plot
7575:
7576: =item $xlabel: string, text describing the X-axis of the plot
7577:
7578: =item $ylabel: string, text describing the Y-axis of the plot
7579:
7580: =item $Max: scalar, the maximum Y value to use in the plot
7581: If $Max is < any data point, the graph will not be rendered.
7582:
7583: =item $colors: Array ref containing the hex color codes for the data to be
7584: plotted in. If undefined, default values will be used.
7585:
7586: =item $Xlabels: Array ref containing the labels to be used for the X-axis.
7587:
7588: =item $Ydata: Array ref containing Array refs.
1.185 www 7589: Each of the contained arrays will be plotted as a separate curve.
1.138 matthew 7590:
7591: =item %Values: hash indicating or overriding any default values which are
7592: passed to graph.png.
7593: Possible values are: width, xskip, x_ticks, x_tick_offset, among others.
7594:
7595: =back
7596:
7597: Returns:
7598:
7599: An <img> tag which references graph.png and the appropriate identifying
7600: information for the plot.
7601:
1.137 matthew 7602: =cut
7603:
7604: ############################################################
7605: ############################################################
7606: sub DrawXYGraph {
7607: my ($Title,$xlabel,$ylabel,$Max,$colors,$Xlabels,$Ydata,%Values)=@_;
7608: #
7609: # Create the identifier for the graph
7610: my $identifier = &get_cgi_id();
7611: my $id = 'cgi.'.$identifier;
7612: #
7613: $Title = '' if (! defined($Title));
7614: $xlabel = '' if (! defined($xlabel));
7615: $ylabel = '' if (! defined($ylabel));
7616: my %ValuesHash =
7617: (
1.369 www 7618: $id.'.title' => &escape($Title),
7619: $id.'.xlabel' => &escape($xlabel),
7620: $id.'.ylabel' => &escape($ylabel),
1.137 matthew 7621: $id.'.y_max_value'=> $Max,
7622: $id.'.labels' => join(',',@$Xlabels),
7623: $id.'.PlotType' => 'XY',
7624: );
7625: #
7626: if (defined($colors) && ref($colors) eq 'ARRAY') {
7627: $ValuesHash{$id.'.Colors'} = join(',',@{$colors});
7628: }
7629: #
7630: if (! ref($Ydata) || ref($Ydata) ne 'ARRAY') {
7631: return '';
7632: }
7633: my $NumSets=1;
1.138 matthew 7634: foreach my $array (@{$Ydata}){
1.137 matthew 7635: next if (! ref($array));
7636: $ValuesHash{$id.'.data.'.$NumSets++} = join(',',@$array);
7637: }
1.138 matthew 7638: $ValuesHash{$id.'.NumSets'} = $NumSets-1;
1.137 matthew 7639: #
7640: # Deal with other parameters
7641: while (my ($key,$value) = each(%Values)) {
7642: $ValuesHash{$id.'.'.$key} = $value;
1.127 matthew 7643: }
7644: #
1.646 raeburn 7645: &Apache::lonnet::appenv(\%ValuesHash);
1.136 matthew 7646: return '<img src="/cgi-bin/graph.png?'.$identifier.'" border="1" />';
7647: }
7648:
7649: ############################################################
7650: ############################################################
7651:
7652: =pod
7653:
1.648 raeburn 7654: =item * &DrawXYYGraph()
1.138 matthew 7655:
7656: Facilitates the plotting of data in an XY graph with two Y axes.
7657: Puts plot definition data into the users environment in order for
7658: graph.png to plot it. Returns an <img> tag for the plot.
7659:
7660: Inputs:
7661:
7662: =over 4
7663:
7664: =item $Title: string, the title of the plot
7665:
7666: =item $xlabel: string, text describing the X-axis of the plot
7667:
7668: =item $ylabel: string, text describing the Y-axis of the plot
7669:
7670: =item $colors: Array ref containing the hex color codes for the data to be
7671: plotted in. If undefined, default values will be used.
7672:
7673: =item $Xlabels: Array ref containing the labels to be used for the X-axis.
7674:
7675: =item $Ydata1: The first data set
7676:
7677: =item $Min1: The minimum value of the left Y-axis
7678:
7679: =item $Max1: The maximum value of the left Y-axis
7680:
7681: =item $Ydata2: The second data set
7682:
7683: =item $Min2: The minimum value of the right Y-axis
7684:
7685: =item $Max2: The maximum value of the left Y-axis
7686:
7687: =item %Values: hash indicating or overriding any default values which are
7688: passed to graph.png.
7689: Possible values are: width, xskip, x_ticks, x_tick_offset, among others.
7690:
7691: =back
7692:
7693: Returns:
7694:
7695: An <img> tag which references graph.png and the appropriate identifying
7696: information for the plot.
1.136 matthew 7697:
7698: =cut
7699:
7700: ############################################################
7701: ############################################################
1.137 matthew 7702: sub DrawXYYGraph {
7703: my ($Title,$xlabel,$ylabel,$colors,$Xlabels,$Ydata1,$Min1,$Max1,
7704: $Ydata2,$Min2,$Max2,%Values)=@_;
1.136 matthew 7705: #
7706: # Create the identifier for the graph
7707: my $identifier = &get_cgi_id();
7708: my $id = 'cgi.'.$identifier;
7709: #
7710: $Title = '' if (! defined($Title));
7711: $xlabel = '' if (! defined($xlabel));
7712: $ylabel = '' if (! defined($ylabel));
7713: my %ValuesHash =
7714: (
1.369 www 7715: $id.'.title' => &escape($Title),
7716: $id.'.xlabel' => &escape($xlabel),
7717: $id.'.ylabel' => &escape($ylabel),
1.136 matthew 7718: $id.'.labels' => join(',',@$Xlabels),
7719: $id.'.PlotType' => 'XY',
7720: $id.'.NumSets' => 2,
1.137 matthew 7721: $id.'.two_axes' => 1,
7722: $id.'.y1_max_value' => $Max1,
7723: $id.'.y1_min_value' => $Min1,
7724: $id.'.y2_max_value' => $Max2,
7725: $id.'.y2_min_value' => $Min2,
1.136 matthew 7726: );
7727: #
1.137 matthew 7728: if (defined($colors) && ref($colors) eq 'ARRAY') {
7729: $ValuesHash{$id.'.Colors'} = join(',',@{$colors});
7730: }
7731: #
7732: if (! ref($Ydata1) || ref($Ydata1) ne 'ARRAY' ||
7733: ! ref($Ydata2) || ref($Ydata2) ne 'ARRAY'){
1.136 matthew 7734: return '';
7735: }
7736: my $NumSets=1;
1.137 matthew 7737: foreach my $array ($Ydata1,$Ydata2){
1.136 matthew 7738: next if (! ref($array));
7739: $ValuesHash{$id.'.data.'.$NumSets++} = join(',',@$array);
1.137 matthew 7740: }
7741: #
7742: # Deal with other parameters
7743: while (my ($key,$value) = each(%Values)) {
7744: $ValuesHash{$id.'.'.$key} = $value;
1.136 matthew 7745: }
7746: #
1.646 raeburn 7747: &Apache::lonnet::appenv(\%ValuesHash);
1.130 albertel 7748: return '<img src="/cgi-bin/graph.png?'.$identifier.'" border="1" />';
1.139 matthew 7749: }
7750:
7751: ############################################################
7752: ############################################################
7753:
7754: =pod
7755:
1.157 matthew 7756: =back
7757:
1.139 matthew 7758: =head1 Statistics helper routines?
7759:
7760: Bad place for them but what the hell.
7761:
1.157 matthew 7762: =over 4
7763:
1.648 raeburn 7764: =item * &chartlink()
1.139 matthew 7765:
7766: Returns a link to the chart for a specific student.
7767:
7768: Inputs:
7769:
7770: =over 4
7771:
7772: =item $linktext: The text of the link
7773:
7774: =item $sname: The students username
7775:
7776: =item $sdomain: The students domain
7777:
7778: =back
7779:
1.157 matthew 7780: =back
7781:
1.139 matthew 7782: =cut
7783:
7784: ############################################################
7785: ############################################################
7786: sub chartlink {
7787: my ($linktext, $sname, $sdomain) = @_;
7788: my $link = '<a href="/adm/statistics?reportSelected=student_assessment'.
1.369 www 7789: '&SelectedStudent='.&escape($sname.':'.$sdomain).
1.219 albertel 7790: '&chartoutputmode='.HTML::Entities::encode('html, with all links').
1.139 matthew 7791: '">'.$linktext.'</a>';
1.153 matthew 7792: }
7793:
7794: #######################################################
7795: #######################################################
7796:
7797: =pod
7798:
7799: =head1 Course Environment Routines
1.157 matthew 7800:
7801: =over 4
1.153 matthew 7802:
1.648 raeburn 7803: =item * &restore_course_settings()
1.153 matthew 7804:
1.648 raeburn 7805: =item * &store_course_settings()
1.153 matthew 7806:
7807: Restores/Store indicated form parameters from the course environment.
7808: Will not overwrite existing values of the form parameters.
7809:
7810: Inputs:
7811: a scalar describing the data (e.g. 'chart', 'problem_analysis')
7812:
7813: a hash ref describing the data to be stored. For example:
7814:
7815: %Save_Parameters = ('Status' => 'scalar',
7816: 'chartoutputmode' => 'scalar',
7817: 'chartoutputdata' => 'scalar',
7818: 'Section' => 'array',
1.373 raeburn 7819: 'Group' => 'array',
1.153 matthew 7820: 'StudentData' => 'array',
7821: 'Maps' => 'array');
7822:
7823: Returns: both routines return nothing
7824:
1.631 raeburn 7825: =back
7826:
1.153 matthew 7827: =cut
7828:
7829: #######################################################
7830: #######################################################
7831: sub store_course_settings {
1.496 albertel 7832: return &store_settings($env{'request.course.id'},@_);
7833: }
7834:
7835: sub store_settings {
1.153 matthew 7836: # save to the environment
7837: # appenv the same items, just to be safe
1.300 albertel 7838: my $udom = $env{'user.domain'};
7839: my $uname = $env{'user.name'};
1.496 albertel 7840: my ($context,$prefix,$Settings) = @_;
1.153 matthew 7841: my %SaveHash;
7842: my %AppHash;
7843: while (my ($setting,$type) = each(%$Settings)) {
1.496 albertel 7844: my $basename = join('.','internal',$context,$prefix,$setting);
1.300 albertel 7845: my $envname = 'environment.'.$basename;
1.258 albertel 7846: if (exists($env{'form.'.$setting})) {
1.153 matthew 7847: # Save this value away
7848: if ($type eq 'scalar' &&
1.258 albertel 7849: (! exists($env{$envname}) ||
7850: $env{$envname} ne $env{'form.'.$setting})) {
7851: $SaveHash{$basename} = $env{'form.'.$setting};
7852: $AppHash{$envname} = $env{'form.'.$setting};
1.153 matthew 7853: } elsif ($type eq 'array') {
7854: my $stored_form;
1.258 albertel 7855: if (ref($env{'form.'.$setting})) {
1.153 matthew 7856: $stored_form = join(',',
7857: map {
1.369 www 7858: &escape($_);
1.258 albertel 7859: } sort(@{$env{'form.'.$setting}}));
1.153 matthew 7860: } else {
7861: $stored_form =
1.369 www 7862: &escape($env{'form.'.$setting});
1.153 matthew 7863: }
7864: # Determine if the array contents are the same.
1.258 albertel 7865: if ($stored_form ne $env{$envname}) {
1.153 matthew 7866: $SaveHash{$basename} = $stored_form;
7867: $AppHash{$envname} = $stored_form;
7868: }
7869: }
7870: }
7871: }
7872: my $put_result = &Apache::lonnet::put('environment',\%SaveHash,
1.300 albertel 7873: $udom,$uname);
1.153 matthew 7874: if ($put_result !~ /^(ok|delayed)/) {
7875: &Apache::lonnet::logthis('unable to save form parameters, '.
7876: 'got error:'.$put_result);
7877: }
7878: # Make sure these settings stick around in this session, too
1.646 raeburn 7879: &Apache::lonnet::appenv(\%AppHash);
1.153 matthew 7880: return;
7881: }
7882:
7883: sub restore_course_settings {
1.499 albertel 7884: return &restore_settings($env{'request.course.id'},@_);
1.496 albertel 7885: }
7886:
7887: sub restore_settings {
7888: my ($context,$prefix,$Settings) = @_;
1.153 matthew 7889: while (my ($setting,$type) = each(%$Settings)) {
1.258 albertel 7890: next if (exists($env{'form.'.$setting}));
1.496 albertel 7891: my $envname = 'environment.internal.'.$context.'.'.$prefix.
1.153 matthew 7892: '.'.$setting;
1.258 albertel 7893: if (exists($env{$envname})) {
1.153 matthew 7894: if ($type eq 'scalar') {
1.258 albertel 7895: $env{'form.'.$setting} = $env{$envname};
1.153 matthew 7896: } elsif ($type eq 'array') {
1.258 albertel 7897: $env{'form.'.$setting} = [
1.153 matthew 7898: map {
1.369 www 7899: &unescape($_);
1.258 albertel 7900: } split(',',$env{$envname})
1.153 matthew 7901: ];
7902: }
7903: }
7904: }
1.127 matthew 7905: }
7906:
1.618 raeburn 7907: #######################################################
7908: #######################################################
7909:
7910: =pod
7911:
7912: =head1 Domain E-mail Routines
7913:
7914: =over 4
7915:
1.648 raeburn 7916: =item * &build_recipient_list()
1.618 raeburn 7917:
7918: Build recipient lists for three types of e-mail:
7919: (a) Error Reports, (b) Package Updates, (c) Help requests, generated by
1.619 raeburn 7920: lonerrorhandler.pm, CHECKRPMS and lonsupportreq.pm respectively.
1.618 raeburn 7921:
7922: Inputs:
1.619 raeburn 7923: defmail (scalar - email address of default recipient),
1.618 raeburn 7924: mailing type (scalar - errormail, packagesmail, or helpdeskmail),
1.619 raeburn 7925: defdom (domain for which to retrieve configuration settings),
7926: origmail (scalar - email address of recipient from loncapa.conf,
7927: i.e., predates configuration by DC via domainprefs.pm
1.618 raeburn 7928:
7929: Returns: comma separated list of addresses to which to send e-mail.
7930:
7931: =cut
7932:
7933: ############################################################
7934: ############################################################
7935: sub build_recipient_list {
1.619 raeburn 7936: my ($defmail,$mailing,$defdom,$origmail) = @_;
1.618 raeburn 7937: my @recipients;
7938: my $otheremails;
7939: my %domconfig =
7940: &Apache::lonnet::get_dom('configuration',['contacts'],$defdom);
7941: if (ref($domconfig{'contacts'}) eq 'HASH') {
7942: if (ref($domconfig{'contacts'}{$mailing}) eq 'HASH') {
7943: my @contacts = ('adminemail','supportemail');
7944: foreach my $item (@contacts) {
7945: if ($domconfig{'contacts'}{$mailing}{$item}) {
1.619 raeburn 7946: my $addr = $domconfig{'contacts'}{$item};
7947: if (!grep(/^\Q$addr\E$/,@recipients)) {
7948: push(@recipients,$addr);
7949: }
1.618 raeburn 7950: }
7951: $otheremails = $domconfig{'contacts'}{$mailing}{'others'};
7952: }
7953: }
1.619 raeburn 7954: } elsif ($origmail ne '') {
7955: push(@recipients,$origmail);
1.618 raeburn 7956: }
7957: if ($defmail ne '') {
7958: push(@recipients,$defmail);
7959: }
7960: if ($otheremails) {
1.619 raeburn 7961: my @others;
7962: if ($otheremails =~ /,/) {
7963: @others = split(/,/,$otheremails);
1.618 raeburn 7964: } else {
1.619 raeburn 7965: push(@others,$otheremails);
7966: }
7967: foreach my $addr (@others) {
7968: if (!grep(/^\Q$addr\E$/,@recipients)) {
7969: push(@recipients,$addr);
7970: }
1.618 raeburn 7971: }
7972: }
1.619 raeburn 7973: my $recipientlist = join(',',@recipients);
1.618 raeburn 7974: return $recipientlist;
7975: }
7976:
1.127 matthew 7977: ############################################################
7978: ############################################################
1.154 albertel 7979:
1.443 albertel 7980: sub commit_customrole {
7981: my ($udom,$uname,$url,$three,$four,$five,$start,$end) = @_;
1.630 raeburn 7982: my $output = &mt('Assigning custom role').' "'.$five.'" by '.$four.':'.$three.' in '.$url.
1.443 albertel 7983: ($start?', '.&mt('starting').' '.localtime($start):'').
7984: ($end?', ending '.localtime($end):'').': <b>'.
7985: &Apache::lonnet::assigncustomrole(
7986: $udom,$uname,$url,$three,$four,$five,$end,$start).
7987: '</b><br />';
7988: return $output;
7989: }
7990:
7991: sub commit_standardrole {
1.541 raeburn 7992: my ($udom,$uname,$url,$three,$start,$end,$one,$two,$sec,$context) = @_;
7993: my ($output,$logmsg,$linefeed);
7994: if ($context eq 'auto') {
7995: $linefeed = "\n";
7996: } else {
7997: $linefeed = "<br />\n";
7998: }
1.443 albertel 7999: if ($three eq 'st') {
1.541 raeburn 8000: my $result = &commit_studentrole(\$logmsg,$udom,$uname,$url,$three,$start,$end,
8001: $one,$two,$sec,$context);
8002: if (($result =~ /^error/) || ($result eq 'not_in_class') ||
1.626 raeburn 8003: ($result eq 'unknown_course') || ($result eq 'refused')) {
8004: $output = $logmsg.' '.&mt('Error: ').$result."\n";
1.443 albertel 8005: } else {
1.541 raeburn 8006: $output = $logmsg.$linefeed.&mt('Assigning').' '.$three.' in '.$url.
1.443 albertel 8007: ($start?', '.&mt('starting').' '.localtime($start):'').
1.541 raeburn 8008: ($end?', '.&mt('ending').' '.localtime($end):'').': ';
8009: if ($context eq 'auto') {
8010: $output .= $result.$linefeed.&mt('Add to classlist').': ok';
8011: } else {
8012: $output .= '<b>'.$result.'</b>'.$linefeed.
8013: &mt('Add to classlist').': <b>ok</b>';
8014: }
8015: $output .= $linefeed;
1.443 albertel 8016: }
8017: } else {
8018: $output = &mt('Assigning').' '.$three.' in '.$url.
8019: ($start?', '.&mt('starting').' '.localtime($start):'').
1.541 raeburn 8020: ($end?', '.&mt('ending').' '.localtime($end):'').': ';
1.652 ! raeburn 8021: my $result = &Apache::lonnet::assignrole($udom,$uname,$url,$three,$end,$start,'','',$context);
1.541 raeburn 8022: if ($context eq 'auto') {
8023: $output .= $result.$linefeed;
8024: } else {
8025: $output .= '<b>'.$result.'</b>'.$linefeed;
8026: }
1.443 albertel 8027: }
8028: return $output;
8029: }
8030:
8031: sub commit_studentrole {
1.541 raeburn 8032: my ($logmsg,$udom,$uname,$url,$three,$start,$end,$one,$two,$sec,$context) = @_;
1.626 raeburn 8033: my ($result,$linefeed,$oldsecurl,$newsecurl);
1.541 raeburn 8034: if ($context eq 'auto') {
8035: $linefeed = "\n";
8036: } else {
8037: $linefeed = '<br />'."\n";
8038: }
1.443 albertel 8039: if (defined($one) && defined($two)) {
8040: my $cid=$one.'_'.$two;
8041: my $oldsec=&Apache::lonnet::getsection($udom,$uname,$cid);
8042: my $secchange = 0;
8043: my $expire_role_result;
8044: my $modify_section_result;
1.628 raeburn 8045: if ($oldsec ne '-1') {
8046: if ($oldsec ne $sec) {
1.443 albertel 8047: $secchange = 1;
1.628 raeburn 8048: my $now = time;
1.443 albertel 8049: my $uurl='/'.$cid;
8050: $uurl=~s/\_/\//g;
8051: if ($oldsec) {
8052: $uurl.='/'.$oldsec;
8053: }
1.626 raeburn 8054: $oldsecurl = $uurl;
1.628 raeburn 8055: $expire_role_result =
1.652 ! raeburn 8056: &Apache::lonnet::assignrole($udom,$uname,$uurl,'st',$now,'','',$context);
1.628 raeburn 8057: if ($env{'request.course.sec'} ne '') {
8058: if ($expire_role_result eq 'refused') {
8059: my @roles = ('st');
8060: my @statuses = ('previous');
8061: my @roledoms = ($one);
8062: my $withsec = 1;
8063: my %roleshash =
8064: &Apache::lonnet::get_my_roles($uname,$udom,'userroles',
8065: \@statuses,\@roles,\@roledoms,$withsec);
8066: if (defined ($roleshash{$two.':'.$one.':st:'.$oldsec})) {
8067: my ($oldstart,$oldend) =
8068: split(':',$roleshash{$two.':'.$one.':st:'.$oldsec});
8069: if ($oldend > 0 && $oldend <= $now) {
8070: $expire_role_result = 'ok';
8071: }
8072: }
8073: }
8074: }
1.443 albertel 8075: $result = $expire_role_result;
8076: }
8077: }
8078: if (($expire_role_result eq 'ok') || ($secchange == 0)) {
1.652 ! raeburn 8079: $modify_section_result = &Apache::lonnet::modify_student_enrollment($udom,$uname,undef,undef,undef,undef,undef,$sec,$end,$start,'','',$cid,'',$context);
1.443 albertel 8080: if ($modify_section_result =~ /^ok/) {
8081: if ($secchange == 1) {
1.628 raeburn 8082: if ($sec eq '') {
8083: $$logmsg .= &mt('Section for [_1] switched from (possibly expired) old section: [_2] to student role without a section.',$uname,$oldsec).$linefeed;
8084: } else {
8085: $$logmsg .= &mt('Section for [_1] switched from (possibly expired) old section: [_2] to new section: [_3].',$uname,$oldsec,$sec).$linefeed;
8086: }
1.443 albertel 8087: } elsif ($oldsec eq '-1') {
1.628 raeburn 8088: if ($sec eq '') {
8089: $$logmsg .= &mt('New student role without a section for [_1] in course [_2].',$uname,$cid).$linefeed;
8090: } else {
8091: $$logmsg .= &mt('New student role for [_1] in section [_2] in course [_3].',$uname,$sec,$cid).$linefeed;
8092: }
1.443 albertel 8093: } else {
1.628 raeburn 8094: if ($sec eq '') {
8095: $$logmsg .= &mt('Student [_1] assigned to course [_2] without a section.',$uname,$cid).$linefeed;
8096: } else {
8097: $$logmsg .= &mt('Student [_1] assigned to section [_2] in course [_3].',$uname,$sec,$cid).$linefeed;
8098: }
1.443 albertel 8099: }
8100: } else {
1.628 raeburn 8101: if ($secchange) {
8102: $$logmsg .= &mt('Error when attempting section change for [_1] from old section "[_2]" to new section: "[_3]" in course [_4] -error:',$uname,$oldsec,$sec,$cid).' '.$modify_section_result.$linefeed;
8103: } else {
8104: $$logmsg .= &mt('Error when attempting to modify role for [_1] for section: "[_2]" in course [_3] -error:',$uname,$sec,$cid).' '.$modify_section_result.$linefeed;
8105: }
1.443 albertel 8106: }
8107: $result = $modify_section_result;
8108: } elsif ($secchange == 1) {
1.628 raeburn 8109: if ($oldsec eq '') {
8110: $$logmsg .= &mt('Error when attempting to expire existing role without a section for [_1] in course [_3] -error: ',$uname,$cid).' '.$expire_role_result.$linefeed;
8111: } else {
8112: $$logmsg .= &mt('Error when attempting to expire existing role for [_1] in section [_2] in course [_3] -error: ',$uname,$oldsec,$cid).' '.$expire_role_result.$linefeed;
8113: }
1.626 raeburn 8114: if ($expire_role_result eq 'refused') {
8115: my $newsecurl = '/'.$cid;
8116: $newsecurl =~ s/\_/\//g;
8117: if ($sec ne '') {
8118: $newsecurl.='/'.$sec;
8119: }
8120: if (&Apache::lonnet::allowed('cst',$newsecurl) && !(&Apache::lonnet::allowed('cst',$oldsecurl))) {
8121: if ($sec eq '') {
8122: $$logmsg .= &mt('Although your current role has privileges to add students to section "[_1]", you do not have privileges to modify existing enrollments unaffiliated with any section.',$sec).$linefeed;
8123: } else {
8124: $$logmsg .= &mt('Although your current role has privileges to add students to section "[_1]", you do not have privileges to modify existing enrollments in other sections.',$sec).$linefeed;
8125: }
8126: }
8127: }
1.443 albertel 8128: }
8129: } else {
1.626 raeburn 8130: $$logmsg .= &mt('Incomplete course id defined.').$linefeed.&mt('Addition of user [_1] from domain [_2] to course [_3], section [_4] not completed.',$uname,$udom,$one.'_'.$two,$sec).$linefeed;
1.443 albertel 8131: $result = "error: incomplete course id\n";
8132: }
8133: return $result;
8134: }
8135:
8136: ############################################################
8137: ############################################################
8138:
1.566 albertel 8139: sub check_clone {
1.578 raeburn 8140: my ($args,$linefeed) = @_;
1.566 albertel 8141: my $cloneid='/'.$args->{'clonedomain'}.'/'.$args->{'clonecourse'};
8142: my ($clonecrsudom,$clonecrsunum)= &LONCAPA::split_courseid($cloneid);
8143: my $clonehome=&Apache::lonnet::homeserver($clonecrsunum,$clonecrsudom);
8144: my $clonemsg;
8145: my $can_clone = 0;
8146:
8147: if ($clonehome eq 'no_host') {
1.578 raeburn 8148: $clonemsg = &mt('No new course created.').$linefeed.&mt('A new course could not be cloned from the specified original - [_1] - because it is a non-existent course.',$args->{'clonecourse'}.':'.$args->{'clonedomain'});
1.566 albertel 8149: } else {
8150: my %clonedesc = &Apache::lonnet::coursedescription($cloneid,{'one_time' => 1});
1.568 albertel 8151: if ($env{'request.role.domain'} eq $args->{'clonedomain'}) {
1.566 albertel 8152: $can_clone = 1;
8153: } else {
8154: my %clonehash = &Apache::lonnet::get('environment',['cloners'],
8155: $args->{'clonedomain'},$args->{'clonecourse'});
8156: my @cloners = split(/,/,$clonehash{'cloners'});
1.578 raeburn 8157: if (grep(/^\*$/,@cloners)) {
8158: $can_clone = 1;
8159: } elsif (grep(/^\*\:\Q$args->{'ccdomain'}\E$/,@cloners)) {
8160: $can_clone = 1;
8161: } else {
8162: my %roleshash =
8163: &Apache::lonnet::get_my_roles($args->{'ccuname'},
8164: $args->{'ccdomain'},
8165: 'userroles',['active'],['cc'],
8166: [$args->{'clonedomain'}]);
8167: if (($roleshash{$args->{'clonecourse'}.':'.$args->{'clonedomain'}.':cc'}) || (grep(/^\Q$args->{'ccuname'}\E:\Q$args->{'ccdomain'}\E$/,@cloners))) {
8168: $can_clone = 1;
8169: } else {
8170: $clonemsg = &mt('No new course created.').$linefeed.&mt('The new course could not be cloned from the existing course because the new course owner ([_1]) does not have cloning rights in the existing course ([_2]).',$args->{'ccuname'}.':'.$args->{'ccdomain'},$clonedesc{'description'});
8171: }
1.566 albertel 8172: }
1.578 raeburn 8173: }
1.566 albertel 8174: }
8175: return ($can_clone, $clonemsg, $cloneid, $clonehome);
8176: }
8177:
1.444 albertel 8178: sub construct_course {
1.541 raeburn 8179: my ($args,$logmsg,$courseid,$crsudom,$crsunum,$udom,$uname,$context) = @_;
1.444 albertel 8180: my $outcome;
1.541 raeburn 8181: my $linefeed = '<br />'."\n";
8182: if ($context eq 'auto') {
8183: $linefeed = "\n";
8184: }
1.566 albertel 8185:
8186: #
8187: # Are we cloning?
8188: #
8189: my ($can_clone, $clonemsg, $cloneid, $clonehome);
8190: if (($args->{'clonecourse'}) && ($args->{'clonedomain'})) {
1.578 raeburn 8191: ($can_clone, $clonemsg, $cloneid, $clonehome) = &check_clone($args,$linefeed);
1.566 albertel 8192: if ($context ne 'auto') {
1.578 raeburn 8193: if ($clonemsg ne '') {
8194: $clonemsg = '<span class="LC_error">'.$clonemsg.'</span>';
8195: }
1.566 albertel 8196: }
8197: $outcome .= $clonemsg.$linefeed;
8198:
8199: if (!$can_clone) {
8200: return (0,$outcome);
8201: }
8202: }
8203:
1.444 albertel 8204: #
8205: # Open course
8206: #
8207: my $crstype = lc($args->{'crstype'});
8208: my %cenv=();
8209: $$courseid=&Apache::lonnet::createcourse($args->{'course_domain'},
8210: $args->{'cdescr'},
8211: $args->{'curl'},
8212: $args->{'course_home'},
8213: $args->{'nonstandard'},
8214: $args->{'crscode'},
8215: $args->{'ccuname'}.':'.
8216: $args->{'ccdomain'},
8217: $args->{'crstype'});
8218:
8219: # Note: The testing routines depend on this being output; see
8220: # Utils::Course. This needs to at least be output as a comment
8221: # if anyone ever decides to not show this, and Utils::Course::new
8222: # will need to be suitably modified.
1.541 raeburn 8223: $outcome .= &mt('New LON-CAPA [_1] ID: [_2]',$crstype,$$courseid).$linefeed;
1.444 albertel 8224: #
8225: # Check if created correctly
8226: #
1.479 albertel 8227: ($$crsudom,$$crsunum)= &LONCAPA::split_courseid($$courseid);
1.444 albertel 8228: my $crsuhome=&Apache::lonnet::homeserver($$crsunum,$$crsudom);
1.541 raeburn 8229: $outcome .= &mt('Created on').': '.$crsuhome.$linefeed;
1.566 albertel 8230:
1.444 albertel 8231: #
1.566 albertel 8232: # Do the cloning
8233: #
8234: if ($can_clone && $cloneid) {
8235: $clonemsg = &mt('Cloning [_1] from [_2]',$crstype,$clonehome);
8236: if ($context ne 'auto') {
8237: $clonemsg = '<span class="LC_success">'.$clonemsg.'</span>';
8238: }
8239: $outcome .= $clonemsg.$linefeed;
8240: my %oldcenv=&Apache::lonnet::dump('environment',$$crsudom,$$crsunum);
1.444 albertel 8241: # Copy all files
1.637 www 8242: &Apache::lonclonecourse::copycoursefiles($cloneid,$$courseid,$args->{'datemode'},$args->{'dateshift'});
1.444 albertel 8243: # Restore URL
1.566 albertel 8244: $cenv{'url'}=$oldcenv{'url'};
1.444 albertel 8245: # Restore title
1.566 albertel 8246: $cenv{'description'}=$oldcenv{'description'};
1.444 albertel 8247: # Mark as cloned
1.566 albertel 8248: $cenv{'clonedfrom'}=$cloneid;
1.638 www 8249: # Need to clone grading mode
8250: my %newenv=&Apache::lonnet::get('environment',['grading'],$$crsudom,$$crsunum);
8251: $cenv{'grading'}=$newenv{'grading'};
8252: # Do not clone these environment entries
8253: &Apache::lonnet::del('environment',
8254: ['default_enrollment_start_date',
8255: 'default_enrollment_end_date',
8256: 'question.email',
8257: 'policy.email',
8258: 'comment.email',
8259: 'pch.users.denied',
8260: 'plc.users.denied'],
8261: $$crsudom,$$crsunum);
1.444 albertel 8262: }
1.566 albertel 8263:
1.444 albertel 8264: #
8265: # Set environment (will override cloned, if existing)
8266: #
8267: my @sections = ();
8268: my @xlists = ();
8269: if ($args->{'crstype'}) {
8270: $cenv{'type'}=$args->{'crstype'};
8271: }
8272: if ($args->{'crsid'}) {
8273: $cenv{'courseid'}=$args->{'crsid'};
8274: }
8275: if ($args->{'crscode'}) {
8276: $cenv{'internal.coursecode'}=$args->{'crscode'};
8277: }
8278: if ($args->{'crsquota'} ne '') {
8279: $cenv{'internal.coursequota'}=$args->{'crsquota'};
8280: } else {
8281: $cenv{'internal.coursequota'}=$args->{'crsquota'} = 20;
8282: }
8283: if ($args->{'ccuname'}) {
8284: $cenv{'internal.courseowner'} = $args->{'ccuname'}.
8285: ':'.$args->{'ccdomain'};
8286: } else {
8287: $cenv{'internal.courseowner'} = $args->{'curruser'};
8288: }
8289: my @badclasses = (); # Used to accumulate sections/crosslistings that did not pass classlist access check for course owner.
8290: if ($args->{'crssections'}) {
8291: $cenv{'internal.sectionnums'} = '';
8292: if ($args->{'crssections'} =~ m/,/) {
8293: @sections = split/,/,$args->{'crssections'};
8294: } else {
8295: $sections[0] = $args->{'crssections'};
8296: }
8297: if (@sections > 0) {
8298: foreach my $item (@sections) {
8299: my ($sec,$gp) = split/:/,$item;
8300: my $class = $args->{'crscode'}.$sec;
8301: my $addcheck = &Apache::lonnet::auto_new_course($$crsunum,$$crsudom,$class,$cenv{'internal.courseowner'});
8302: $cenv{'internal.sectionnums'} .= $item.',';
8303: unless ($addcheck eq 'ok') {
8304: push @badclasses, $class;
8305: }
8306: }
8307: $cenv{'internal.sectionnums'} =~ s/,$//;
8308: }
8309: }
8310: # do not hide course coordinator from staff listing,
8311: # even if privileged
8312: $cenv{'nothideprivileged'}=$args->{'ccuname'}.':'.$args->{'ccdomain'};
8313: # add crosslistings
8314: if ($args->{'crsxlist'}) {
8315: $cenv{'internal.crosslistings'}='';
8316: if ($args->{'crsxlist'} =~ m/,/) {
8317: @xlists = split/,/,$args->{'crsxlist'};
8318: } else {
8319: $xlists[0] = $args->{'crsxlist'};
8320: }
8321: if (@xlists > 0) {
8322: foreach my $item (@xlists) {
8323: my ($xl,$gp) = split/:/,$item;
8324: my $addcheck = &Apache::lonnet::auto_new_course($$crsunum,$$crsudom,$xl,$cenv{'internal.courseowner'});
8325: $cenv{'internal.crosslistings'} .= $item.',';
8326: unless ($addcheck eq 'ok') {
8327: push @badclasses, $xl;
8328: }
8329: }
8330: $cenv{'internal.crosslistings'} =~ s/,$//;
8331: }
8332: }
8333: if ($args->{'autoadds'}) {
8334: $cenv{'internal.autoadds'}=$args->{'autoadds'};
8335: }
8336: if ($args->{'autodrops'}) {
8337: $cenv{'internal.autodrops'}=$args->{'autodrops'};
8338: }
8339: # check for notification of enrollment changes
8340: my @notified = ();
8341: if ($args->{'notify_owner'}) {
8342: if ($args->{'ccuname'} ne '') {
8343: push(@notified,$args->{'ccuname'}.':'.$args->{'ccdomain'});
8344: }
8345: }
8346: if ($args->{'notify_dc'}) {
8347: if ($uname ne '') {
1.630 raeburn 8348: push(@notified,$uname.':'.$udom);
1.444 albertel 8349: }
8350: }
8351: if (@notified > 0) {
8352: my $notifylist;
8353: if (@notified > 1) {
8354: $notifylist = join(',',@notified);
8355: } else {
8356: $notifylist = $notified[0];
8357: }
8358: $cenv{'internal.notifylist'} = $notifylist;
8359: }
8360: if (@badclasses > 0) {
8361: my %lt=&Apache::lonlocal::texthash(
8362: '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',
8363: 'dnhr' => 'does not have rights to access enrollment in these classes',
8364: 'adby' => 'as determined by the policies of your institution on access to official classlists'
8365: );
1.541 raeburn 8366: my $badclass_msg = $cenv{'internal.courseowner'}.') - '.$lt{'dnhr'}.
8367: ' ('.$lt{'adby'}.')';
8368: if ($context eq 'auto') {
8369: $outcome .= $badclass_msg.$linefeed;
1.566 albertel 8370: $outcome .= '<div class="LC_warning">'.$badclass_msg.$linefeed.'<ul>'."\n";
1.541 raeburn 8371: foreach my $item (@badclasses) {
8372: if ($context eq 'auto') {
8373: $outcome .= " - $item\n";
8374: } else {
8375: $outcome .= "<li>$item</li>\n";
8376: }
8377: }
8378: if ($context eq 'auto') {
8379: $outcome .= $linefeed;
8380: } else {
1.566 albertel 8381: $outcome .= "</ul><br /><br /></div>\n";
1.541 raeburn 8382: }
8383: }
1.444 albertel 8384: }
8385: if ($args->{'no_end_date'}) {
8386: $args->{'endaccess'} = 0;
8387: }
8388: $cenv{'internal.autostart'}=$args->{'enrollstart'};
8389: $cenv{'internal.autoend'}=$args->{'enrollend'};
8390: $cenv{'default_enrollment_start_date'}=$args->{'startaccess'};
8391: $cenv{'default_enrollment_end_date'}=$args->{'endaccess'};
8392: if ($args->{'showphotos'}) {
8393: $cenv{'internal.showphotos'}=$args->{'showphotos'};
8394: }
8395: $cenv{'internal.authtype'} = $args->{'authtype'};
8396: $cenv{'internal.autharg'} = $args->{'autharg'};
8397: if ( ($cenv{'internal.authtype'} =~ /^krb/) && ($cenv{'internal.autoadds'} == 1)) {
8398: if (! defined($cenv{'internal.autharg'}) || $cenv{'internal.autharg'} eq '') {
1.541 raeburn 8399: my $krb_msg = &mt('As you did not include the default Kerberos domain to be used for authentication in this class, the institutional data used by the automated enrollment process must include the Kerberos domain for each new student');
8400: if ($context eq 'auto') {
8401: $outcome .= $krb_msg;
8402: } else {
1.566 albertel 8403: $outcome .= '<span class="LC_error">'.$krb_msg.'</span>';
1.541 raeburn 8404: }
8405: $outcome .= $linefeed;
1.444 albertel 8406: }
8407: }
8408: if (($args->{'ccdomain'}) && ($args->{'ccuname'})) {
8409: if ($args->{'setpolicy'}) {
8410: $cenv{'policy.email'}=$args->{'ccuname'}.':'.$args->{'ccdomain'};
8411: }
8412: if ($args->{'setcontent'}) {
8413: $cenv{'question.email'}=$args->{'ccuname'}.':'.$args->{'ccdomain'};
8414: }
8415: }
8416: if ($args->{'reshome'}) {
8417: $cenv{'reshome'}=$args->{'reshome'}.'/';
8418: $cenv{'reshome'}=~s/\/+$/\//;
8419: }
8420: #
8421: # course has keyed access
8422: #
8423: if ($args->{'setkeys'}) {
8424: $cenv{'keyaccess'}='yes';
8425: }
8426: # if specified, key authority is not course, but user
8427: # only active if keyaccess is yes
8428: if ($args->{'keyauth'}) {
1.487 albertel 8429: my ($user,$domain) = split(':',$args->{'keyauth'});
8430: $user = &LONCAPA::clean_username($user);
8431: $domain = &LONCAPA::clean_username($domain);
1.488 foxr 8432: if ($user ne '' && $domain ne '') {
1.487 albertel 8433: $cenv{'keyauth'}=$user.':'.$domain;
1.444 albertel 8434: }
8435: }
8436:
8437: if ($args->{'disresdis'}) {
8438: $cenv{'pch.roles.denied'}='st';
8439: }
8440: if ($args->{'disablechat'}) {
8441: $cenv{'plc.roles.denied'}='st';
8442: }
8443:
8444: # Record we've not yet viewed the Course Initialization Helper for this
8445: # course
8446: $cenv{'course.helper.not.run'} = 1;
8447: #
8448: # Use new Randomseed
8449: #
8450: $cenv{'rndseed'}=&Apache::lonnet::latest_rnd_algorithm_id();;
8451: $cenv{'receiptalg'}=&Apache::lonnet::latest_receipt_algorithm_id();;
8452: #
8453: # The encryption code and receipt prefix for this course
8454: #
8455: $cenv{'internal.encseed'}=$Apache::lonnet::perlvar{'lonReceipt'}.$$.time.int(rand(9999));
8456: $cenv{'internal.encpref'}=100+int(9*rand(99));
8457: #
8458: # By default, use standard grading
8459: if (!defined($cenv{'grading'})) { $cenv{'grading'} = 'standard'; }
8460:
1.541 raeburn 8461: $outcome .= $linefeed.&mt('Setting environment').': '.
8462: &Apache::lonnet::put('environment',\%cenv,$$crsudom,$$crsunum).$linefeed;
1.444 albertel 8463: #
8464: # Open all assignments
8465: #
8466: if ($args->{'openall'}) {
8467: my $storeunder=$$crsudom.'_'.$$crsunum.'.0.opendate';
8468: my %storecontent = ($storeunder => time,
8469: $storeunder.'.type' => 'date_start');
8470:
8471: $outcome .= &mt('Opening all assignments').': '.&Apache::lonnet::cput
1.541 raeburn 8472: ('resourcedata',\%storecontent,$$crsudom,$$crsunum).$linefeed;
1.444 albertel 8473: }
8474: #
8475: # Set first page
8476: #
8477: unless (($args->{'nonstandard'}) || ($args->{'firstres'} eq 'blank')
8478: || ($cloneid)) {
1.445 albertel 8479: use LONCAPA::map;
1.444 albertel 8480: $outcome .= &mt('Setting first resource').': ';
1.445 albertel 8481:
8482: my $map = '/uploaded/'.$$crsudom.'/'.$$crsunum.'/default.sequence';
8483: my ($errtext,$fatal)=&LONCAPA::map::mapread($map);
8484:
1.444 albertel 8485: $outcome .= ($fatal?$errtext:'read ok').' - ';
8486: my $title; my $url;
8487: if ($args->{'firstres'} eq 'syl') {
8488: $title='Syllabus';
8489: $url='/public/'.$$crsudom.'/'.$$crsunum.'/syllabus';
8490: } else {
8491: $title='Navigate Contents';
8492: $url='/adm/navmaps';
8493: }
1.445 albertel 8494:
8495: $LONCAPA::map::resources[1]=$title.':'.$url.':false:start:res';
8496: (my $outtext,$errtext) = &LONCAPA::map::storemap($map,1);
8497:
8498: if ($errtext) { $fatal=2; }
1.541 raeburn 8499: $outcome .= ($fatal?$errtext:'write ok').$linefeed;
1.444 albertel 8500: }
1.566 albertel 8501:
8502: return (1,$outcome);
1.444 albertel 8503: }
8504:
8505: ############################################################
8506: ############################################################
8507:
1.378 raeburn 8508: sub course_type {
8509: my ($cid) = @_;
8510: if (!defined($cid)) {
8511: $cid = $env{'request.course.id'};
8512: }
1.404 albertel 8513: if (defined($env{'course.'.$cid.'.type'})) {
8514: return $env{'course.'.$cid.'.type'};
1.378 raeburn 8515: } else {
8516: return 'Course';
1.377 raeburn 8517: }
8518: }
1.156 albertel 8519:
1.406 raeburn 8520: sub group_term {
8521: my $crstype = &course_type();
8522: my %names = (
8523: 'Course' => 'group',
8524: 'Group' => 'team',
8525: );
8526: return $names{$crstype};
8527: }
8528:
1.156 albertel 8529: sub icon {
8530: my ($file)=@_;
1.505 albertel 8531: my $curfext = lc((split(/\./,$file))[-1]);
1.168 albertel 8532: my $iconname=$Apache::lonnet::perlvar{'lonIconsURL'}.'/unknown.gif';
1.156 albertel 8533: my $embstyle = &Apache::loncommon::fileembstyle($curfext);
1.168 albertel 8534: if (!(!defined($embstyle) || $embstyle eq 'unk' || $embstyle eq 'hdn')) {
8535: if (-e $Apache::lonnet::perlvar{'lonDocRoot'}.'/'.
8536: $Apache::lonnet::perlvar{'lonIconsURL'}.'/'.
8537: $curfext.".gif") {
8538: $iconname=$Apache::lonnet::perlvar{'lonIconsURL'}.'/'.
8539: $curfext.".gif";
8540: }
8541: }
1.249 albertel 8542: return &lonhttpdurl($iconname);
1.154 albertel 8543: }
1.84 albertel 8544:
1.575 albertel 8545: sub lonhttpd_port {
1.215 albertel 8546: my $lonhttpd_port=$Apache::lonnet::perlvar{'lonhttpdPort'};
8547: if (!defined($lonhttpd_port)) { $lonhttpd_port='8080'; }
1.574 albertel 8548: # IE doesn't like a secure page getting images from a non-secure
8549: # port (when logging we haven't parsed the browser type so default
8550: # back to secure
8551: if ((!exists($env{'browser.type'}) || $env{'browser.type'} eq 'explorer')
8552: && $ENV{'SERVER_PORT'} == 443) {
1.575 albertel 8553: return 443;
8554: }
8555: return $lonhttpd_port;
8556:
8557: }
8558:
8559: sub lonhttpdurl {
8560: my ($url)=@_;
8561:
8562: my $lonhttpd_port = &lonhttpd_port();
8563: if ($lonhttpd_port == 443) {
1.574 albertel 8564: return 'https://'.$ENV{'SERVER_NAME'}.$url;
8565: }
1.215 albertel 8566: return 'http://'.$ENV{'SERVER_NAME'}.':'.$lonhttpd_port.$url;
8567: }
8568:
1.213 albertel 8569: sub connection_aborted {
8570: my ($r)=@_;
8571: $r->print(" ");$r->rflush();
8572: my $c = $r->connection;
8573: return $c->aborted();
8574: }
8575:
1.221 foxr 8576: # Escapes strings that may have embedded 's that will be put into
1.222 foxr 8577: # strings as 'strings'.
8578: sub escape_single {
1.221 foxr 8579: my ($input) = @_;
1.223 albertel 8580: $input =~ s/\\/\\\\/g; # Escape the \'s..(must be first)>
1.221 foxr 8581: $input =~ s/\'/\\\'/g; # Esacpe the 's....
8582: return $input;
8583: }
1.223 albertel 8584:
1.222 foxr 8585: # Same as escape_single, but escape's "'s This
8586: # can be used for "strings"
8587: sub escape_double {
8588: my ($input) = @_;
8589: $input =~ s/\\/\\\\/g; # Escape the /'s..(must be first)>
8590: $input =~ s/\"/\\\"/g; # Esacpe the "s....
8591: return $input;
8592: }
1.223 albertel 8593:
1.222 foxr 8594: # Escapes the last element of a full URL.
8595: sub escape_url {
8596: my ($url) = @_;
1.238 raeburn 8597: my @urlslices = split(/\//, $url,-1);
1.369 www 8598: my $lastitem = &escape(pop(@urlslices));
1.223 albertel 8599: return join('/',@urlslices).'/'.$lastitem;
1.222 foxr 8600: }
1.462 albertel 8601:
8602: # -------------------------------------------------------- Initliaze user login
8603: sub init_user_environment {
1.463 albertel 8604: my ($r, $username, $domain, $authhost, $form, $args) = @_;
1.462 albertel 8605: my $lonids=$Apache::lonnet::perlvar{'lonIDsDir'};
8606:
8607: my $public=($username eq 'public' && $domain eq 'public');
8608:
8609: # See if old ID present, if so, remove
8610:
8611: my ($filename,$cookie,$userroles);
8612: my $now=time;
8613:
8614: if ($public) {
8615: my $max_public=100;
8616: my $oldest;
8617: my $oldest_time=0;
8618: for(my $next=1;$next<=$max_public;$next++) {
8619: if (-e $lonids."/publicuser_$next.id") {
8620: my $mtime=(stat($lonids."/publicuser_$next.id"))[9];
8621: if ($mtime<$oldest_time || !$oldest_time) {
8622: $oldest_time=$mtime;
8623: $oldest=$next;
8624: }
8625: } else {
8626: $cookie="publicuser_$next";
8627: last;
8628: }
8629: }
8630: if (!$cookie) { $cookie="publicuser_$oldest"; }
8631: } else {
1.463 albertel 8632: # if this isn't a robot, kill any existing non-robot sessions
8633: if (!$args->{'robot'}) {
8634: opendir(DIR,$lonids);
8635: while ($filename=readdir(DIR)) {
8636: if ($filename=~/^$username\_\d+\_$domain\_$authhost\.id$/) {
8637: unlink($lonids.'/'.$filename);
8638: }
1.462 albertel 8639: }
1.463 albertel 8640: closedir(DIR);
1.462 albertel 8641: }
8642: # Give them a new cookie
1.463 albertel 8643: my $id = ($args->{'robot'} ? 'robot'.$args->{'robot'}
8644: : $now);
8645: $cookie="$username\_$id\_$domain\_$authhost";
1.462 albertel 8646:
8647: # Initialize roles
8648:
8649: $userroles=&Apache::lonnet::rolesinit($domain,$username,$authhost);
8650: }
8651: # ------------------------------------ Check browser type and MathML capability
8652:
8653: my ($httpbrowser,$clientbrowser,$clientversion,$clientmathml,
8654: $clientunicode,$clientos) = &decode_user_agent($r);
8655:
8656: # -------------------------------------- Any accessibility options to remember?
8657: if (($form->{'interface'}) && ($form->{'remember'} eq 'true')) {
8658: foreach my $option ('imagesuppress','appletsuppress',
8659: 'embedsuppress','fontenhance','blackwhite') {
8660: if ($form->{$option} eq 'true') {
8661: &Apache::lonnet::put('environment',{$option => 'on'},
8662: $domain,$username);
8663: } else {
8664: &Apache::lonnet::del('environment',[$option],
8665: $domain,$username);
8666: }
8667: }
8668: }
8669: # ------------------------------------------------------------- Get environment
8670:
8671: my %userenv = &Apache::lonnet::dump('environment',$domain,$username);
8672: my ($tmp) = keys(%userenv);
8673: if ($tmp !~ /^(con_lost|error|no_such_host)/i) {
8674: # default remote control to off
8675: if ($userenv{'remote'} ne 'on') { $userenv{'remote'} = 'off'; }
8676: } else {
8677: undef(%userenv);
8678: }
8679: if (($userenv{'interface'}) && (!$form->{'interface'})) {
8680: $form->{'interface'}=$userenv{'interface'};
8681: }
8682: $env{'environment.remote'}=$userenv{'remote'};
8683: if ($userenv{'texengine'} eq 'ttm') { $clientmathml=1; }
8684:
8685: # --------------- Do not trust query string to be put directly into environment
8686: foreach my $option ('imagesuppress','appletsuppress',
8687: 'embedsuppress','fontenhance','blackwhite',
8688: 'interface','localpath','localres') {
8689: $form->{$option}=~s/[\n\r\=]//gs;
8690: }
8691: # --------------------------------------------------------- Write first profile
8692:
8693: {
8694: my %initial_env =
8695: ("user.name" => $username,
8696: "user.domain" => $domain,
8697: "user.home" => $authhost,
8698: "browser.type" => $clientbrowser,
8699: "browser.version" => $clientversion,
8700: "browser.mathml" => $clientmathml,
8701: "browser.unicode" => $clientunicode,
8702: "browser.os" => $clientos,
8703: "server.domain" => $Apache::lonnet::perlvar{'lonDefDomain'},
8704: "request.course.fn" => '',
8705: "request.course.uri" => '',
8706: "request.course.sec" => '',
8707: "request.role" => 'cm',
8708: "request.role.adv" => $env{'user.adv'},
8709: "request.host" => $ENV{'REMOTE_ADDR'},);
8710:
8711: if ($form->{'localpath'}) {
8712: $initial_env{"browser.localpath"} = $form->{'localpath'};
8713: $initial_env{"browser.localres"} = $form->{'localres'};
8714: }
8715:
8716: if ($public) {
8717: $initial_env{"environment.remote"} = "off";
8718: }
8719: if ($form->{'interface'}) {
8720: $form->{'interface'}=~s/\W//gs;
8721: $initial_env{"browser.interface"} = $form->{'interface'};
8722: $env{'browser.interface'}=$form->{'interface'};
8723: foreach my $option ('imagesuppress','appletsuppress',
8724: 'embedsuppress','fontenhance','blackwhite') {
8725: if (($form->{$option} eq 'true') ||
8726: ($userenv{$option} eq 'on')) {
8727: $initial_env{"browser.$option"} = "on";
8728: }
8729: }
8730: }
8731:
8732: $env{'user.environment'} = "$lonids/$cookie.id";
8733:
8734: if (tie(my %disk_env,'GDBM_File',"$lonids/$cookie.id",
8735: &GDBM_WRCREAT(),0640)) {
8736: &_add_to_env(\%disk_env,\%initial_env);
8737: &_add_to_env(\%disk_env,\%userenv,'environment.');
8738: &_add_to_env(\%disk_env,$userroles);
1.463 albertel 8739: if (ref($args->{'extra_env'})) {
8740: &_add_to_env(\%disk_env,$args->{'extra_env'});
8741: }
1.462 albertel 8742: untie(%disk_env);
8743: } else {
8744: &Apache::lonnet::logthis("<font color=\"blue\">WARNING: ".
8745: 'Could not create environment storage in lonauth: '.$!.'</font>');
8746: return 'error: '.$!;
8747: }
8748: }
8749: $env{'request.role'}='cm';
8750: $env{'request.role.adv'}=$env{'user.adv'};
8751: $env{'browser.type'}=$clientbrowser;
8752:
8753: return $cookie;
8754:
8755: }
8756:
8757: sub _add_to_env {
8758: my ($idf,$env_data,$prefix) = @_;
8759: while (my ($key,$value) = each(%$env_data)) {
8760: $idf->{$prefix.$key} = $value;
8761: $env{$prefix.$key} = $value;
8762: }
8763: }
8764:
8765:
1.41 ng 8766: =pod
8767:
8768: =back
8769:
1.112 bowersj2 8770: =cut
1.41 ng 8771:
1.112 bowersj2 8772: 1;
8773: __END__;
1.41 ng 8774:
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