Annotation of loncom/interface/coursecatalog.pm, revision 1.44
1.17 albertel 1: # The LearningOnline Network with CAPA
2: # Handler for displaying the course catalog interface
3: #
1.44 ! raeburn 4: # $Id: coursecatalog.pm,v 1.43 2008/09/23 14:41:00 bisitz Exp $
1.1 raeburn 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: #
28:
29: package Apache::coursecatalog;
30:
31: use strict;
32: use lib qw(/home/httpd/lib/perl);
33: use Apache::Constants qw(:common);
34: use Apache::loncommon;
1.7 raeburn 35: use Apache::lonhtmlcommon;
1.1 raeburn 36: use Apache::lonnet;
37: use Apache::lonlocal;
1.6 raeburn 38: use Apache::courseclassifier;
1.1 raeburn 39: use Apache::lonacc;
40: use LONCAPA;
41:
42: sub handler {
43: my ($r) = @_;
44: &Apache::loncommon::content_type($r,'text/html');
45: $r->send_http_header;
46: if ($r->header_only) {
47: return OK;
48: }
1.21 albertel 49: my $handle = &Apache::lonnet::check_for_valid_session($r);
1.8 raeburn 50: my $lonidsdir=$r->dir_config('lonIDsDir');
1.21 albertel 51: if ($handle ne '') {
1.8 raeburn 52: &Apache::lonnet::transfer_profile_to_env($lonidsdir,$handle);
53: }
1.1 raeburn 54: &Apache::lonacc::get_posted_cgi($r);
55: &Apache::lonlocal::get_language_handle($r);
1.38 raeburn 56: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
57: ['sortby','showdom']);
1.28 raeburn 58:
59: my $codedom = &Apache::lonnet::default_login_domain();
1.19 raeburn 60:
61: if (($env{'user.domain'} ne '') && ($env{'user.domain'} ne 'public')) {
62: $codedom = $env{'user.domain'};
63: if ($env{'request.role.domain'} ne '') {
64: $codedom = $env{'request.role.domain'};
65: }
66: }
1.7 raeburn 67: my $formname = 'coursecatalog';
1.28 raeburn 68: if ($env{'form.showdom'} ne '') {
69: if (&Apache::lonnet::domain($env{'form.showdom'}) ne '') {
70: $codedom = $env{'form.showdom'};
71: }
72: }
1.20 albertel 73: my $domdesc = &Apache::lonnet::domain($codedom,'description');
1.7 raeburn 74: &Apache::lonhtmlcommon::clear_breadcrumbs();
1.35 raeburn 75:
76: my %domconfig =
77: &Apache::lonnet::get_dom('configuration',['coursecategories'],$codedom);
1.36 raeburn 78: my (@cats,@trails,%allitems,%idx,@jsarray,%subcathash,$cathash);
1.35 raeburn 79: if (ref($domconfig{'coursecategories'}) eq 'HASH') {
80: $cathash = $domconfig{'coursecategories'}{'cats'};
81: } else {
82: $cathash = {};
83: }
1.36 raeburn 84: my $subcats;
85: if ($env{'form.withsubcats'}) {
86: $subcats = \%subcathash;
87: }
1.35 raeburn 88: &Apache::loncommon::extract_categories($cathash,\@cats,\@trails,\%allitems,
1.36 raeburn 89: \%idx,\@jsarray,$subcats);
1.8 raeburn 90: if ($env{'form.coursenum'} ne '' && &user_is_known()) {
1.35 raeburn 91: &course_details($r,$codedom,$formname,$domdesc,\@trails,\%allitems);
1.7 raeburn 92: } else {
1.36 raeburn 93: my ($catlinks,$has_subcats) = &category_breadcrumbs($codedom,@cats);
1.28 raeburn 94: my $catjs = <<"ENDSCRIPT";
95:
96: function setCatDepth(depth) {
97: document.coursecats.catalog_maxdepth.value = depth;
1.36 raeburn 98: if (depth == '') {
99: document.coursecats.currcat_0.value = '';
100: }
1.28 raeburn 101: document.coursecats.submit();
102: return;
103: }
104:
1.33 raeburn 105: function changeSort(caller) {
106: document.$formname.sortby.value = caller;
107: document.$formname.submit();
108: }
1.40 raeburn 109:
1.33 raeburn 110: function setCourseId(caller) {
111: document.$formname.coursenum.value = caller;
112: document.$formname.submit();
1.37 raeburn 113: }
114:
115: ENDSCRIPT
1.41 raeburn 116: $catjs .= &courselink_javascript();
1.28 raeburn 117: my $numtitles;
118: if ($env{'form.currcat_0'} eq 'instcode::0') {
119: $numtitles = &instcode_course_selector($r,$codedom,$formname,$domdesc,
120: $catlinks,$catjs);
121: if ($env{'form.state'} eq 'listing') {
122: $r->print(&print_course_listing($codedom,$numtitles));
123: }
124: } else {
125: my (%add_entries);
126: $catjs = '<script type="text/javascript">'."\n".$catjs."\n".'</script>';
127: &cat_header($r,$codedom,$catjs,\%add_entries,$catlinks);
128: if ($env{'form.currcat_0'} ne '') {
1.33 raeburn 129: $r->print('<form name="'.$formname.
130: '" method="post" action="/adm/coursecatalog">'.
1.36 raeburn 131: &additional_filters($codedom,$has_subcats)."\n");
1.33 raeburn 132: my ($currdepth,$deeper) = &get_depth_values();
133: $r->print('<input type="hidden" name="catalog_maxdepth" value="'.
134: $deeper.'" />'."\n");
135: for (my $i=0; $i<$deeper; $i++) {
136: $r->print('<input type="hidden" name="currcat_'.$i.'" value="'.$env{'form.currcat_'.$i}.'" />'."\n");
137: }
138: $r->print('<input type="hidden" name="coursenum" value="" />'."\n".
139: '<input type="hidden" name="sortby" value="" />'."\n".
140: '<input type="hidden" name="state" value="listing" />'."\n".
141: '<input type="hidden" name="showdom" value="'.
142: $env{'form.showdom'}.'" />'.
143: '<input type="submit" name="catalogfilter" value="'.
144: &mt('Display courses').'" /></form><br /><br />');
145: }
146: if ($env{'form.state'} eq 'listing') {
1.36 raeburn 147: $r->print(&print_course_listing($codedom,undef,\@trails,\%allitems,$subcats));
1.28 raeburn 148: }
1.18 raeburn 149: }
1.7 raeburn 150: }
1.32 raeburn 151: $r->print('<br />'.&Apache::loncommon::end_page());
1.7 raeburn 152: return OK;
153: }
154:
155: sub course_details {
1.35 raeburn 156: my ($r,$codedom,$formname,$domdesc,$trails,$allitems) = @_;
1.7 raeburn 157: my $output;
158: my %add_entries = (topmargin => "0",
159: marginheight => "0",);
1.40 raeburn 160: my $js = '<script type="text/javascript">'."\n".
1.41 raeburn 161: &courselink_javascript().'</script>'."\n";
1.7 raeburn 162: my $start_page =
1.40 raeburn 163: &Apache::loncommon::start_page('Course Catalog',$js,
1.7 raeburn 164: {
165: 'add_entries' => \%add_entries,
166: 'no_inline_link' => 1,});
167: $r->print($start_page);
1.19 raeburn 168: if ($env{'form.numtitles'} > 0) {
169: &Apache::lonhtmlcommon::add_breadcrumb
170: ({href=>"/adm/coursecatalog",
171: text=>"Select courses"});
172: }
1.7 raeburn 173: &Apache::lonhtmlcommon::add_breadcrumb
1.19 raeburn 174: ({href=>"javascript:document.$formname.submit()",
1.7 raeburn 175: text=>"Course listing"},
176: {text=>"Course details"});
177: $r->print(&Apache::lonhtmlcommon::breadcrumbs('Course Details'));
178: $r->print('<br />'.&mt('Detailed course information:').'<br /><br />'.
1.35 raeburn 179: &print_course_listing($codedom,undef,$trails,$allitems).
180: '<br /><br />');
1.40 raeburn 181: $r->print('<form name="'.$formname.'" method="post" action="/adm/coursecatalog">'.
182: '<a href = "javascript:document.coursecatalog.submit()">'.
1.7 raeburn 183: &mt('Back to course listing').'</a>'.
1.41 raeburn 184: &Apache::lonhtmlcommon::echo_form_input(['coursenum','catalogfilter',
185: 'showdetails','courseid']).'</form>');
1.40 raeburn 186: return;
187: }
188:
1.41 raeburn 189: sub courselink_javascript {
1.40 raeburn 190: return <<"END";
191:
192: function ToSyllabus(cdom,cnum) {
193: if (cdom == '' || cdom == null) {
194: return;
195: }
196: if (cnum == '' || cnum == null) {
197: return;
198: }
1.41 raeburn 199: document.linklaunch.action = "/public/"+cdom+"/"+cnum+"/syllabus";
200: document.linklaunch.submit();
201: }
202:
203: function ToSelfenroll(courseid) {
204: if (courseid == '') {
205: return;
206: }
207: document.linklaunch.action = "/adm/selfenroll";
208: document.linklaunch.courseid.value = courseid;
209: document.linklaunch.submit();
1.40 raeburn 210: }
211:
212: END
1.7 raeburn 213: }
214:
1.40 raeburn 215:
1.28 raeburn 216: sub instcode_course_selector {
217: my ($r,$codedom,$formname,$domdesc,$catlinks,$catjs) = @_;
1.1 raeburn 218: my %coursecodes = ();
219: my %codes = ();
220: my @codetitles = ();
221: my %cat_titles = ();
222: my %cat_order = ();
223: my %idlist = ();
224: my %idnums = ();
225: my %idlist_titles = ();
1.6 raeburn 226: my %by_year;
227: my %by_sem;
228: my %by_dept;
229: my %cat_items;
1.1 raeburn 230: my $caller = 'global';
231: my $format_reply;
232: my $totcodes = 0;
233: my $jscript = '';
1.6 raeburn 234: my ($numtitles,$lasttitle);
1.30 raeburn 235: my %add_entries = (topmargin => "0",
236: marginheight => "0",);
237: my $js;
1.22 raeburn 238: $totcodes = &Apache::courseclassifier::retrieve_instcodes(\%coursecodes,$codedom);
1.1 raeburn 239: if ($totcodes > 0) {
1.6 raeburn 240: $format_reply = &Apache::lonnet::auto_instcode_format($caller,$codedom,\%coursecodes,\%codes,\@codetitles,\%cat_titles,\%cat_order);
241: if ($format_reply eq 'ok') {
242: my $numtypes = @codetitles;
243: &Apache::courseclassifier::build_code_selections(\%codes,\@codetitles,\%cat_titles,\%cat_order,\%idlist,\%idnums,\%idlist_titles);
244: my ($scripttext,$longtitles) = &Apache::courseclassifier::javascript_definitions(\@codetitles,\%idlist,\%idlist_titles,\%idnums,\%cat_titles);
245: my $longtitles_str = join('","',@{$longtitles});
246: my $allidlist = $idlist{$codetitles[0]};
247: $numtitles = @codetitles;
248: $lasttitle = $numtitles;
249: if ($numtitles > 4) {
250: $lasttitle = 4;
1.1 raeburn 251: }
1.18 raeburn 252: if ($numtitles == 0) {
253: if (!defined($env{'form.state'})) {
254: $env{'form.state'} = 'listing';
255: }
256: } else {
257: my @data = ('top');
258: for (my $k=0; $k<$lasttitle; $k++) {
259: my $cat = $codetitles[$k];
260: my $level = 1;
261: $level = &recurse_options($codetitles[$k],$idlist{$codetitles[$k]},$level,$cat,\%cat_items,\@data,\%by_year,\%by_sem,\%by_dept);
262: }
263: $scripttext .= &build_javascript(\%by_year,\%by_sem,\%by_dept,\%cat_order,\@codetitles);
264: $jscript .= &javascript_select_filler($formname,$scripttext,\@codetitles,$longtitles_str,$allidlist);
265: if ($env{'form.state'} eq 'listing') {
266: $jscript .= '
1.1 raeburn 267: function setElements() {
268: ';
1.18 raeburn 269: for (my $i=0; $i<@codetitles-1; $i++) {
270: if ($env{'form.'.$codetitles[$i]} != -1) {
271: $jscript .= '
1.1 raeburn 272: for (var j=0; j<document.'.$formname.'.'.$codetitles[$i].'.length; j++) {
273: if (document.'.$formname.'.'.$codetitles[$i].'[j].value == "'.$env{'form.'.$codetitles[$i]}.'") {
274: document.'.$formname.'.'.$codetitles[$i].'.selectedIndex = j;
275: }
276: }
277: ';
1.18 raeburn 278: }
279: }
280: $jscript .= ' courseSet()'."\n";
281: if ($env{'form.'.$codetitles[-1]} != -1) {
282: $jscript .= '
1.6 raeburn 283: for (var j=0; j<document.'.$formname.'.'.$codetitles[-1].'.length; j++) {
284: if (document.'.$formname.'.'.$codetitles[-1].'[j].value == "'.$env{'form.'.$codetitles[-1]}.'") {
285: document.'.$formname.'.'.$codetitles[-1].'.selectedIndex = j;
286: }
287: }
288: ';
1.18 raeburn 289: }
290: $jscript .= '}';
291: }
1.6 raeburn 292: }
1.32 raeburn 293: }
1.30 raeburn 294: $js = '<script type"text/javascript">'."\n$jscript\n$catjs\n".
295: '</script>';
1.18 raeburn 296: if (($env{'form.state'} eq 'listing') && ($numtitles > 0)) {
1.7 raeburn 297: $add_entries{'onLoad'} = 'setElements()';
298: }
1.28 raeburn 299: &cat_header($r,$codedom,$js,\%add_entries,$catlinks,$numtitles);
300: my $cat_maxdepth = $env{'form.catalog_maxdepth'};
301: $r->print('<form name="'.$formname.'" method="post" action="/adm/coursecatalog">'.
1.32 raeburn 302: '<input type="hidden" name="catalog_maxdepth" value="'.$cat_maxdepth.'" />'."\n".
303: '<input type="hidden" name="showdom" value="'.$env{'form.showdom'}.'" />'."\n".
304: '<input type="hidden" name="currcat_0" value="instcode::0" />'.
1.33 raeburn 305: &additional_filters($codedom));
1.1 raeburn 306: if ($numtitles > 0) {
1.32 raeburn 307: $r->print('<b>'.&mt('Choose which course(s) to list.').'</b><br />');
1.6 raeburn 308: $r->print('<table><tr>');
309: for (my $k=0; $k<$lasttitle-1; $k++) {
1.26 raeburn 310: my (@items,@unsorted);
311: if (ref($cat_items{$codetitles[$k]}) eq 'ARRAY') {
312: @unsorted = @{$cat_items{$codetitles[$k]}};
313: }
1.6 raeburn 314: &Apache::courseclassifier::sort_cats($k,\%cat_order,\@codetitles,\@unsorted,\@items);
315: my @longitems;
316: if (defined($cat_titles{$codetitles[$k]})) {
317: foreach my $item (@items) {
318: push(@longitems,$cat_titles{$codetitles[$k]}{$item});
319: }
1.1 raeburn 320: } else {
1.6 raeburn 321: @longitems = @items;
1.1 raeburn 322: }
1.6 raeburn 323: $r->print('<td align="center">'.$codetitles[$k].'<br />'."\n".
324: '<select name="'.$codetitles[$k].'" onChange="courseSet()"');
325: $r->print('>'."\n".'<option value="0" />All'."\n");
326: for (my $i=0; $i<@items; $i++) {
1.1 raeburn 327: if ($longitems[$i] eq '') {
328: $longitems[$i] = $items[$i];
329: }
1.6 raeburn 330: $r->print(' <option value="'.$items[$i].'">'.$longitems[$i].'</option>');
1.1 raeburn 331: }
1.6 raeburn 332: $r->print('</select></td>');
1.1 raeburn 333: }
1.6 raeburn 334: $r->print('<td align="center">'.$codetitles[$lasttitle-1].'<br />'."\n".
335: '<select name="'.$codetitles[$lasttitle-1].'">'."\n".
336: '<option value="0">All'."\n".
337: '</option>'."\n".'</select>'."\n".
1.32 raeburn 338: '</td></tr></table>'."\n");
1.1 raeburn 339: if ($numtitles > 4) {
1.6 raeburn 340: $r->print('<br /><br />'.$codetitles[$numtitles-1].'<br />'."\n".
341: '<input type="text" name="'.$codetitles[$numtitles-1].'" /><br />'."\n");
1.1 raeburn 342: }
1.18 raeburn 343: $r->print('<br />');
344: }
1.33 raeburn 345: $r->print('<input type="hidden" name="coursenum" value="" />'."\n".
346: '<input type="hidden" name="sortby" value="" />'."\n".
347: '<input type="hidden" name="state" value="listing" />'."\n".
348: '<input type="hidden" name="form.currcat_0" value="instcode::0" />'."\n".
349: '<input type="submit" name="catalogfilter" value="'.
350: &mt('Display courses').'" />'.
351: '<input type="hidden" name="numtitles" value="'.$numtitles.
1.37 raeburn 352: '" /></form><br /><br />');
1.5 raeburn 353: } else {
1.30 raeburn 354: &cat_header($r,$codedom,$js,\%add_entries,$catlinks,$numtitles);
355: my $cat_maxdepth = $env{'form.catalog_maxdepth'};
356: $r->print('<form name="'.$formname.'" method="post" action="/adm/coursecatalog">'.
357: '<input type="hidden" name="catalog_maxdepth" value="'.$cat_maxdepth.'" />'.
358: '<input type="hidden" name="showdom" value="'.$env{'form.showdom'}.'" />'.
359: '<input type="hidden" name="currcat_0" value="instcode::0" />');
360: $r->print('<br />'.&mt('No official courses to display for [_1].',$domdesc).'</form>');
1.1 raeburn 361: }
1.18 raeburn 362: return $numtitles;
1.1 raeburn 363: }
364:
1.28 raeburn 365: sub cat_header {
366: my ($r,$codedom,$js,$add_entries,$catlinks,$numtitles) = @_;
367: my $start_page =
368: &Apache::loncommon::start_page('Course Catalog',$js,
369: {
370: 'add_entries' => $add_entries,
371: 'no_inline_link' => 1,});
372: $r->print($start_page);
373: if ($env{'form.state'} eq 'listing') {
374: if ($numtitles > 0) {
375: &Apache::lonhtmlcommon::add_breadcrumb
376: ({href=>"/adm/coursecatalog",
377: text=>"Select courses"},
378: {text=>"Course listing"});
379: } else {
380: &Apache::lonhtmlcommon::add_breadcrumb
381: ({text=>"Course listing"});
382: }
383: $r->print(&Apache::lonhtmlcommon::breadcrumbs('Course Listing'));
384: } else {
385: &Apache::lonhtmlcommon::add_breadcrumb
386: ({href=>"/adm/coursecatalog",
387: text=>"Select courses"});
388: $r->print(&Apache::lonhtmlcommon::breadcrumbs('Select courses'));
389: }
1.34 raeburn 390: $r->print('<form name="coursecatdom" method="post" action="/adm/coursecatalog">'.
391: '<table border="0"><tr><td><b>'.&mt('Domain:').'</b></td><td>'.
1.28 raeburn 392: &Apache::loncommon::select_dom_form($codedom,'showdom','',1).
1.34 raeburn 393: ' <input type="submit" name="godom" value="'.&mt('Change').'" /></td></tr></table></form>'.
394: '<form name="coursecats" method="post" action="/adm/coursecatalog">'.
395: '<table border="0"><tr>'.$catlinks.'</tr></table></form>');
1.28 raeburn 396: return;
397: }
398:
399: sub category_breadcrumbs {
1.35 raeburn 400: my ($dom,@cats) = @_;
1.44 ! raeburn 401: my $crumbsymbol = ' ▶ ';
1.33 raeburn 402: my ($currdepth,$deeper) = &get_depth_values();
403: my $currcat_str = '<input type="hidden" name="catalog_maxdepth" value="'.$deeper.'" /><input type="hidden" name="showdom" value="'.$dom.'" />';
1.28 raeburn 404: my $catlinks = '<td valign="top"><b>'.&mt('Catalog:').'</b></td><td><table><tr>';
1.36 raeburn 405: my $has_subcats;
1.28 raeburn 406: for (my $i=0; $i<$deeper; $i++) {
407: $currcat_str .= '<input type="hidden" name="currcat_'.$i.'" value="'.$env{'form.currcat_'.$i}.'" />';
408: my ($cattitle,$shallower);
409: if ($i == 0) {
410: $cattitle = &mt('Main Categories');
411: } else {
412: $shallower = $i-1;
413: my ($cat,$container,$depth) = map { &unescape($_); } split(/:/,$env{'form.currcat_'.$shallower});
414: $cattitle = $cat;
415: }
1.44 ! raeburn 416: $catlinks .= '<td valign="top"><a href="javascript:setCatDepth('."'$shallower'".')">'.$cattitle.'</a>'.$crumbsymbol.'</td>';
1.28 raeburn 417: }
418: if ($deeper == 0) {
419: $catlinks .= '<td>'.&mt('Main Categories').': ';
420: if (ref($cats[0]) eq 'ARRAY') {
421: if ((@{$cats[0]} == 1) && ($cats[0][0] eq 'instcode')) {
422: $catlinks .= &mt('Official courses (with institutional codes)').
1.34 raeburn 423: '<input type="hidden" name="currcat_0" value="instcode::0" />';
1.28 raeburn 424: $env{'form.currcat_0'} = 'instcode::0';
425: } else {
1.36 raeburn 426: $has_subcats = 1;
1.28 raeburn 427: $catlinks .= '<select name="currcat_0">'."\n";
428: if (@{$cats[0]} > 1) {
429: my $selstr;
430: if ($env{'form.currcat_0'} eq '') {
431: $selstr = ' selected="selected" ';
432: }
1.36 raeburn 433: $catlinks .= '<option value="" selected="selected">'.&mt('Select').'</option>'."\n";
1.28 raeburn 434: }
435: for (my $i=0; $i<@{$cats[0]}; $i++) {
436: my $name = $cats[0][$i];
437: my $item = &escape($name).'::0';
1.36 raeburn 438: $catlinks .= '<option value="'.$item.'">';
1.28 raeburn 439: if ($name eq 'instcode') {
440: $catlinks .= &mt('Official courses (with institutional codes)');
441: } else {
442: $catlinks .= $name;
443: }
444: $catlinks .= '</option>'."\n";
445: }
446: $catlinks .= '</select>'."\n".
1.33 raeburn 447: ' <input type="submit" name="gocats" value="'.&mt('Change').'" />';
1.28 raeburn 448: }
449: } else {
450: $catlinks .= &mt('Official courses (with institutional codes)').
1.34 raeburn 451: '<input type="hidden" name="currcat_0" value="instcode::0" />';
1.28 raeburn 452: $env{'form.currcat_0'} = 'instcode::0';
453: }
454: } else {
1.29 raeburn 455: my ($cat,$container,$depth);
456: if ($env{'form.currcat_'.$currdepth} eq '') {
457: my $shallower = $currdepth - 1;
458: ($cat,$container,$depth) = map { &unescape($_); } split(/:/,$env{'form.currcat_'.$shallower});
459: } else {
460: ($cat,$container,$depth) = map { &unescape($_); } split(/:/,$env{'form.currcat_'.$currdepth});
461: }
1.28 raeburn 462: my $deeper = $depth +1;
463: my $currcat = $cat;
464: if ($cat eq 'instcode') {
465: $currcat = &mt('Official courses (with institutional codes)');
466: }
467: $catlinks .= '<td>'.$currcat;
468: if (ref($cats[$deeper]{$cat}) eq 'ARRAY') {
1.36 raeburn 469: $has_subcats = 1;
470: my $selstr;
1.28 raeburn 471: $catlinks .= ': <select name="currcat_'.$deeper.'">'.
1.36 raeburn 472: '<option value="" selected="selected">'.
473: &mt('Select').'</option>';
1.28 raeburn 474: for (my $k=0; $k<@{$cats[$deeper]{$cat}}; $k++) {
475: my $name = $cats[$deeper]{$cat}[$k];
476: my $item = &escape($name).':'.&escape($cat).':'.$deeper;
477: $catlinks .= '<option value="'.$item.'">'.$name.'</option>'."\n";
478: }
479: $catlinks .= '</select>'."\n".
1.33 raeburn 480: ' <input type="submit" name="gocats" value="'.&mt('Change').'" />';
1.28 raeburn 481: }
482: }
483: $catlinks .= $currcat_str.'</td></tr></table></td>';
1.36 raeburn 484: return ($catlinks,$has_subcats);
1.28 raeburn 485: }
486:
1.33 raeburn 487: sub get_depth_values {
488: my $currdepth = 0;
489: my $deeper = 0;
490: if ($env{'form.catalog_maxdepth'} ne '') {
491: $currdepth = $env{'form.catalog_maxdepth'};
492: if ($env{'form.currcat_'.$currdepth} eq '') {
493: $deeper = $currdepth;
494: } else {
495: $deeper = $currdepth + 1;
496: }
497: }
498: return ($currdepth,$deeper);
499: }
500:
501: sub additional_filters {
1.36 raeburn 502: my ($codedom,$has_subcats) = @_;
1.33 raeburn 503: my $output = '<table>';
1.36 raeburn 504: if (($env{'form.currcat_0'} ne 'instcode::0') &&
505: ($env{'form.currcat_0'} ne '') && ($has_subcats)) {
506: my $include_subcat_status;
507: if ($env{'form.withsubcats'}) {
508: $include_subcat_status = 'checked="checked" ';
509: }
510: my $counter = $env{'form.catalog_maxdepth'};
511: if ($counter > 0) {
512: if ($env{'form.state'} eq 'listing') {
513: $counter --;
514: } elsif ($env{'form.currcat_'.$counter} eq '') {
515: $counter --;
516: }
517: }
518: my ($catname) = split(/:/,$env{'form.currcat_'.$counter});
519: if ($catname ne '') {
520: $output .= '<tr><td><label>'.
521: '<input type="checkbox" name="withsubcats" value="1" '.
522: $include_subcat_status.'/>'.
1.38 raeburn 523: &mt('Include subcategories within "[_1]"',
524: &unescape($catname)).'</label></td></tr>';
1.36 raeburn 525: }
526: }
1.33 raeburn 527: my $show_selfenroll_status;
528: if ($env{'form.showselfenroll'}) {
529: $show_selfenroll_status = 'checked="checked" ';
530: }
1.36 raeburn 531: $output .= '<tr><td>'.
532: '<label><input type="checkbox" name="showselfenroll" value="1" '.
533: $show_selfenroll_status.'/>'.
534: &mt('Only show courses which allow self-enrollment').
535: '</label></td></tr>';
1.33 raeburn 536: if (&user_is_dc($codedom)) {
537: my $showdetails_status;
538: if ($env{'form.showdetails'}) {
539: $showdetails_status = 'checked="checked" ';
540: }
541: my $showhidden_status;
542: if ($env{'form.showhidden'}) {
543: $showhidden_status = 'checked="checked" ';
544: }
545: my $dc_title = &Apache::lonnet::plaintext('dc');
546: $output .= '<tr><td>'."\n".
547: '<label><input type="checkbox" name="showdetails" value="1" '.
1.36 raeburn 548: $showdetails_status.'/>'.
1.33 raeburn 549: &mt('Show full details for each course ([_1] only)',$dc_title).
550: '</label>'."\n".'</td></tr><tr><td>'.
551: '<label><input type="checkbox" name="showhidden" value="1" '.
552: $showhidden_status.'/>'.
553: &mt('Include courses set to be hidden from catalog ([_1] only)',$dc_title).
554: '</label>'."\n".'</td></tr>';
555: }
1.36 raeburn 556: $output .= '</table><br />';
1.33 raeburn 557: return $output;
558: }
559:
1.16 raeburn 560: sub user_is_dc {
561: my ($codedom) = @_;
562: if (exists($env{'user.role.dc./'.$codedom.'/'})) {
563: my $livedc = 1;
564: my $now = time;
565: my ($start,$end)=split(/\./,$env{'user.role.dc./'.$codedom.'/'});
566: if ($start && $start>$now) { $livedc = 0; }
567: if ($end && $end <$now) { $livedc = 0; }
568: return $livedc;
569: }
570: return;
571: }
1.7 raeburn 572:
1.6 raeburn 573: sub recurse_options {
574: my ($currkey,$currlist,$level,$cat,$cat_options,$data,$by_year,$by_sem,$by_dept) = @_;
575: if (ref($currlist) eq 'HASH') {
576: $level ++;
577: foreach my $key (sort(keys(%{$currlist}))) {
578: $$data[$level-1]= $key;
579: &recurse_options($key,$currlist->{$key},$level,$cat,$cat_options,$data,$by_year,$by_sem,$by_dept);
580: }
581: } else {
582: $level --;
583: my @contents = split(/","/,$currlist);
584: foreach my $item (@contents) {
585: if (!grep(/^\Q$item\E$/,@{$cat_options->{$cat}})) {
586: push(@{$cat_options->{$cat}},$item);
587: }
588: if ($level == 3) {
589: if (!grep/^\Q$item\E$/,@{$by_year->{$data->[1]}->{$currkey}}) {
590: push(@{$by_year->{$data->[1]}->{$currkey}},$item);
591: }
592: if (!grep/^\Q$item\E$/,@{$by_sem->{$data->[2]}->{$currkey}}) {
593: push(@{$by_sem->{$data->[2]}->{$currkey}},$item);
594: }
595: if (!grep/^\Q$item\E$/,@{$by_dept->{$currkey}}) {
596: push(@{$by_dept->{$currkey}},$item);
597: }
598:
599: }
600: }
601: }
602: return $level;
603: }
604:
605: sub build_javascript {
606: my ($by_year,$by_sem,$by_dept,$cat_order,$codetitles) = @_;
607: my @unsorted = keys(%{$by_year});
608: my @sorted_yrs;
609: &Apache::courseclassifier::sort_cats('0',$cat_order,$codetitles,\@unsorted,\@sorted_yrs);
610: my $output = 'var idcse_by_yr_year = new Array("'.join('","',@sorted_yrs).'");'."\n".
611: 'var idcse_by_yr_dept = new Array('.scalar(@sorted_yrs).');'."\n".
612: 'var idcse_by_yr_num = new Array('.scalar(@sorted_yrs).');'."\n";
613: for (my $i=0; $i<@sorted_yrs; $i++) {
614: my $numkeys = keys(%{$by_year->{$sorted_yrs[$i]}});
615: $output .= " idcse_by_yr_num[$i] = new Array($numkeys);\n";
616: if (ref($by_year->{$sorted_yrs[$i]}) eq 'HASH') {
617: @unsorted = keys(%{$by_year->{$sorted_yrs[$i]}});
618: my @sorted_depts;
619: &Apache::courseclassifier::sort_cats('2',$cat_order,$codetitles,\@unsorted,\@sorted_depts);
620: $output .= qq| idcse_by_yr_dept[$i] = new Array ("|.join('","',@sorted_depts).'");'."\n";
621: for (my $j=0; $j<@sorted_depts; $j++) {
622: $output .= qq| idcse_by_yr_num[$i][$j] = new Array ("|;
623: $output .= join('","',sort(@{$by_year->{$sorted_yrs[$i]}->{$sorted_depts[$j]}})).'");'."\n";
624: }
625: }
626: }
627: @unsorted = keys(%{$by_sem});
628: my @sorted_sems;
629: &Apache::courseclassifier::sort_cats('1',$cat_order,$codetitles,\@unsorted,\@sorted_sems);
630: $output .= 'idcse_by_sem_sems = new Array("'.join('","',@sorted_sems).'");'."\n".
631: 'idcse_by_sem_dept = new Array('.scalar(@sorted_sems).');'."\n".
632: 'idcse_by_sem_num = new Array('.scalar(@sorted_sems).');'."\n";
633: for (my $i=0; $i<@sorted_sems; $i++) {
634: my $numkeys = keys(%{$by_sem->{$sorted_sems[$i]}});
635: $output .= " idcse_by_sem_num[$i] = new Array($numkeys);\n";
636: if (ref($by_sem->{$sorted_sems[$i]}) eq 'HASH') {
637: @unsorted = keys(%{$by_sem->{$sorted_sems[$i]}});
638: my @sorted_depts;
639: &Apache::courseclassifier::sort_cats('2',$cat_order,$codetitles,\@unsorted,\@sorted_depts);
640: $output .= qq| idcse_by_sem_dept[$i] = new Array("|.join('","',@sorted_depts).'");'."\n";
641: for (my $j=0; $j<@sorted_depts; $j++) {
642: $output .= qq| idcse_by_sem_num[$i][$j] = new Array ("|.join('","',sort(@{$by_sem->{$sorted_sems[$i]}->{$sorted_depts[$j]}})).'");'."\n";
643: }
644: }
645: }
646: @unsorted = keys(%{$by_dept});
647: my @sorted_deps;
648: &Apache::courseclassifier::sort_cats('2',$cat_order,$codetitles,\@unsorted,\@sorted_deps);
649: $output .= 'idcse_by_dep = new Array('.scalar(@sorted_deps).');'."\n";
650: for (my $k=0; $k<@sorted_deps; $k++) {
651: $output .= qq| idcse_by_dep[$k] = new Array ("|.join('","',sort(@{$by_dept->{$sorted_deps[$k]}})).'");'."\n";
652: }
653: return $output;
654: }
655:
1.28 raeburn 656: sub search_official_courselist {
1.18 raeburn 657: my ($domain,$numtitles) = @_;
658: my $instcode;
659: if (defined($numtitles) && $numtitles == 0) {
660: $instcode = '.+';
661: } else {
662: my (%codedefaults,@code_order);
663: my $defaults_result =
664: &Apache::lonnet::auto_instcode_defaults($domain,\%codedefaults,
665: \@code_order);
666: if ($defaults_result eq 'ok') {
667: $instcode ='^';
668: foreach my $item (@code_order) {
669: if ($env{'form.'.$item} eq '0' ) {
670: $instcode .= $codedefaults{$item};
671: } else {
672: $instcode .= $env{'form.'.$item};
673: }
1.7 raeburn 674: }
1.18 raeburn 675: $instcode .= '$';
676: } else {
677: $instcode = '.';
1.7 raeburn 678: }
679: }
1.32 raeburn 680: my $showhidden;
681: if (&user_is_dc($domain)) {
682: $showhidden = $env{'form.showhidden'};
683: }
684: my %courses =
685: &Apache::lonnet::courseiddump($domain,'.',1,$instcode,'.','.',undef,undef,
686: 'Course',1,$env{'form.showselfenroll'},undef,
687: $showhidden,'coursecatalog');
1.7 raeburn 688: return %courses;
689: }
690:
1.28 raeburn 691: sub search_courselist {
1.36 raeburn 692: my ($domain,$subcats) = @_;
1.28 raeburn 693: my $cat_maxdepth = $env{'form.catalog_maxdepth'};
694: my $filter = $env{'form.currcat_'.$cat_maxdepth};
1.29 raeburn 695: if (($filter eq '') && ($cat_maxdepth > 0)) {
696: my $shallower = $cat_maxdepth - 1;
697: $filter = $env{'form.currcat_'.$shallower};
698: }
1.28 raeburn 699: my %courses;
1.36 raeburn 700: my $filterstr;
1.28 raeburn 701: if ($filter ne '') {
1.36 raeburn 702: if ($env{'form.withsubcats'}) {
703: if (ref($subcats) eq 'HASH') {
704: if (ref($subcats->{$filter}) eq 'ARRAY') {
705: $filterstr = join('&',@{$subcats->{$filter}});
706: if ($filterstr ne '') {
707: $filterstr = $filter.'&'.$filterstr;
708: }
709: } else {
710: $filterstr = $filter;
711: }
712: } else {
713: $filterstr = $filter;
714: }
715: } else {
716: $filterstr = $filter;
717: }
1.32 raeburn 718: my $showhidden;
719: if (&user_is_dc($domain)) {
720: $showhidden = $env{'form.showhidden'};
721: }
722: %courses =
723: &Apache::lonnet::courseiddump($domain,'.',1,'.','.','.',undef,undef,
724: '.',1,$env{'form.showselfenroll'},
1.36 raeburn 725: $filterstr,$showhidden,'coursecatalog');
1.28 raeburn 726: }
727: return %courses;
728: }
1.6 raeburn 729:
1.1 raeburn 730: sub print_course_listing {
1.36 raeburn 731: my ($domain,$numtitles,$trails,$allitems,$subcats) = @_;
1.1 raeburn 732: my $output;
1.7 raeburn 733: my %courses;
1.15 raeburn 734: my $knownuser = &user_is_known();
1.16 raeburn 735: my $details = $env{'form.coursenum'};
736: if (&user_is_dc($domain)) {
737: if ($env{'form.showdetails'}) {
738: $details = 1;
739: }
740: }
1.7 raeburn 741: if ($env{'form.coursenum'} ne '') {
742: %courses = &Apache::lonnet::courseiddump($domain,'.',1,'.','.',
743: $env{'form.coursenum'},
1.33 raeburn 744: undef,undef,'.',1);
1.7 raeburn 745: if (keys(%courses) == 0) {
746: $output .= &mt('The courseID provided does not match a course in this domain.');
747: return $output;
748: }
1.6 raeburn 749: } else {
1.28 raeburn 750: if ($env{'form.currcat_0'} eq 'instcode::0') {
751: %courses = &search_official_courselist($domain,$numtitles);
752: } else {
1.36 raeburn 753: %courses = &search_courselist($domain,$subcats);
1.28 raeburn 754: }
1.7 raeburn 755: if (keys(%courses) == 0) {
756: $output = &mt('No courses match the criteria you selected.');
757: return $output;
758: }
1.32 raeburn 759: if (($knownuser) && (!$env{'form.showdetails'}) && (!&user_is_dc($domain))) {
1.31 bisitz 760: $output = '<b>'.&mt('Note for students:').'</b> '
761: .&mt('If you are officially enrolled in a course but the course is not listed in your LON-CAPA courses, click the "Show more details" link for the specific course and check the default access dates and/or automated enrollment settings.')
762: .'<br /><br />';
1.8 raeburn 763: }
1.7 raeburn 764: }
1.27 raeburn 765: my $now = time;
766: my %domconfig =
767: &Apache::lonnet::get_dom('configuration',['usercreation'],$domain);
1.35 raeburn 768: $output .= &construct_data_table($knownuser,\%courses,$details,undef,$now,\%domconfig,$trails,$allitems);
1.41 raeburn 769: $output .= "\n".'<form name="linklaunch" method="post" action="">'.
1.40 raeburn 770: '<input type="hidden" name="backto" value="coursecatalog" />'.
1.41 raeburn 771: '<input type="hidden" name="courseid" value="" />'.
772: &Apache::lonhtmlcommon::echo_form_input(['catalogfilter','courseid']).'</form>';
1.15 raeburn 773: return $output;
774: }
775:
776: sub construct_data_table {
1.35 raeburn 777: my ($knownuser,$courses,$details,$usersections,$now,$domconfig,$trails,
778: $allitems) = @_;
1.7 raeburn 779: my %sortname;
1.16 raeburn 780: if (($details eq '') || ($env{'form.showdetails'})) {
1.7 raeburn 781: $sortname{'Code'} = 'code';
1.35 raeburn 782: $sortname{'Categories'} = 'cats';
1.7 raeburn 783: $sortname{'Title'} = 'title';
1.22 raeburn 784: $sortname{'Owner(s)'} = 'owner';
1.7 raeburn 785: }
1.15 raeburn 786: my $output = &Apache::loncommon::start_data_table().
787: &Apache::loncommon::start_data_table_header_row();
1.35 raeburn 788: my @coltitles = ('Count');
789: if ($env{'form.currcat_0'} eq 'instcode::0') {
790: push(@coltitles,'Code');
791: } else {
792: push(@coltitles,'Categories');
793: }
794: push(@coltitles,('Sections','Crosslisted','Title','Owner(s)'));
1.15 raeburn 795: if (ref($usersections) eq 'HASH') {
796: $coltitles[1] = 'Your Section';
797: }
1.7 raeburn 798: foreach my $item (@coltitles) {
799: $output .= '<th>';
800: if (defined($sortname{$item})) {
801: $output .= '<a href="javascript:changeSort('."'$sortname{$item}'".')">'.&mt($item).'</a>';
1.24 raeburn 802: } elsif ($item eq 'Count') {
803: $output .= ' ';
1.7 raeburn 804: } else {
805: $output .= &mt($item);
806: }
807: $output .= '</th>';
1.1 raeburn 808: }
1.15 raeburn 809: if ($knownuser) {
810: if ($details) {
1.8 raeburn 811: $output .=
1.7 raeburn 812: '<th>'.&mt('Default Access Dates for Students').'</th>'.
813: '<th>'.&mt('Student Counts').'</th>'.
1.42 bisitz 814: '<th>'.&mt('Auto-enrollment of[_1]registered students','<br />').'</th>';
1.15 raeburn 815: } else {
1.27 raeburn 816: $output .= '<th>'.&mt('Details').'</th>';
1.8 raeburn 817: }
1.1 raeburn 818: }
1.27 raeburn 819: $output .= '<th>'.&mt('Self-enroll (if permitted)').'</th>';
1.7 raeburn 820: &Apache::loncommon::end_data_table_header_row();
1.15 raeburn 821: my %courseinfo = &build_courseinfo_hash($courses,$knownuser,$details,
822: $usersections);
1.7 raeburn 823: my %Sortby;
1.15 raeburn 824: foreach my $course (sort(keys(%{$courses}))) {
1.7 raeburn 825: if ($env{'form.sortby'} eq 'code') {
826: push(@{$Sortby{$courseinfo{$course}{'code'}}},$course);
1.35 raeburn 827: } elsif ($env{'form.sortby'} eq 'cats') {
828: push(@{$Sortby{$courseinfo{$course}{'categories'}}},$course);
1.7 raeburn 829: } elsif ($env{'form.sortby'} eq 'owner') {
1.22 raeburn 830: push(@{$Sortby{$courseinfo{$course}{'ownerlastnames'}}},$course);
1.7 raeburn 831: } else {
1.25 raeburn 832: my $clean_title = $courseinfo{$course}{'title'};
833: $clean_title =~ s/\W+//g;
834: if ($clean_title eq '') {
835: $clean_title = $courseinfo{$course}{'title'};
836: }
837: push(@{$Sortby{$clean_title}},$course);
1.7 raeburn 838: }
839: }
840: my @sorted_courses;
1.35 raeburn 841: if (($env{'form.sortby'} eq 'code') || ($env{'form.sortby'} eq 'owner') ||
842: ($env{'form.sortby'} eq 'cats')) {
1.7 raeburn 843: @sorted_courses = sort(keys(%Sortby));
1.6 raeburn 844: } else {
1.7 raeburn 845: @sorted_courses = sort { lc($a) cmp lc($b) } (keys(%Sortby));
1.1 raeburn 846: }
1.24 raeburn 847: my $count = 1;
1.7 raeburn 848: foreach my $item (@sorted_courses) {
849: foreach my $course (@{$Sortby{$item}}) {
850: $output.=&Apache::loncommon::start_data_table_row();
1.35 raeburn 851: $output.=&courseinfo_row($courseinfo{$course},$knownuser,$details,
852: \$count,$now,$course,$trails,$allitems);
1.7 raeburn 853: $output.=&Apache::loncommon::end_data_table_row();
854: }
1.1 raeburn 855: }
1.7 raeburn 856: $output .= &Apache::loncommon::end_data_table();
857: return $output;
858: }
859:
860: sub build_courseinfo_hash {
1.15 raeburn 861: my ($courses,$knownuser,$details,$usersections) = @_;
1.1 raeburn 862: my %courseinfo;
1.7 raeburn 863: my $now = time;
1.15 raeburn 864: foreach my $course (keys(%{$courses})) {
1.1 raeburn 865: my $descr;
1.22 raeburn 866: if (ref($courses->{$course}) eq 'HASH') {
867: $descr = $courses->{$course}{'description'};
1.1 raeburn 868: }
869: my $cleandesc=&HTML::Entities::encode($descr,'<>&"');
870: $cleandesc=~s/'/\\'/g;
1.10 raeburn 871: $cleandesc =~ s/^\s+//;
1.1 raeburn 872: my ($cdom,$cnum)=split(/\_/,$course);
1.39 raeburn 873: my ($instcode,$singleowner,$ttype,$selfenroll_types,
1.35 raeburn 874: $selfenroll_start,$selfenroll_end,@owners,%ownernames,$categories);
1.22 raeburn 875: if (ref($courses->{$course}) eq 'HASH') {
876: $descr = $courses->{$course}{'description'};
1.23 raeburn 877: $instcode = $courses->{$course}{'inst_code'};
1.22 raeburn 878: $singleowner = $courses->{$course}{'owner'};
879: $ttype = $courses->{$course}{'type'};
1.27 raeburn 880: $selfenroll_types = $courses->{$course}{'selfenroll_types'};
881: $selfenroll_start = $courses->{$course}{'selfenroll_start_date'};
882: $selfenroll_end = $courses->{$course}{'selfenroll_end_date'};
1.35 raeburn 883: $categories = $courses->{$course}{'categories'};
1.22 raeburn 884: push(@owners,$singleowner);
885: if (ref($courses->{$course}{'co-owners'}) eq 'ARRAY') {
886: foreach my $item (@{$courses->{$course}{'co-owners'}}) {
887: push(@owners,$item);
888: }
889: }
890: }
891: foreach my $owner (@owners) {
892: my ($ownername,$ownerdom) = @_;
893: if ($owner =~ /:/) {
894: ($ownername,$ownerdom) = split(/:/,$owner);
895: } else {
896: $ownername = $owner;
897: if ($owner ne '') {
898: $ownerdom = $cdom;
899: }
900: }
901: if ($ownername ne '' && $ownerdom ne '') {
902: my %namehash=&Apache::loncommon::getnames($ownername,$ownerdom);
903: $ownernames{$ownername.':'.$ownerdom} = \%namehash;
1.1 raeburn 904: }
905: }
906: $courseinfo{$course}{'cdom'} = $cdom;
907: $courseinfo{$course}{'cnum'} = $cnum;
908: $courseinfo{$course}{'code'} = $instcode;
1.22 raeburn 909: my @lastnames;
910: foreach my $owner (keys(%ownernames)) {
911: if (ref($ownernames{$owner}) eq 'HASH') {
912: push(@lastnames,$ownernames{$owner}{'lastname'});
913: }
914: }
915: $courseinfo{$course}{'ownerlastnames'} = join(', ',sort(@lastnames));
1.1 raeburn 916: $courseinfo{$course}{'title'} = $cleandesc;
1.22 raeburn 917: $courseinfo{$course}{'owner'} = $singleowner;
1.27 raeburn 918: $courseinfo{$course}{'selfenroll_types'} = $selfenroll_types;
919: $courseinfo{$course}{'selfenroll_start'} = $selfenroll_start;
920: $courseinfo{$course}{'selfenroll_end'} = $selfenroll_end;
1.35 raeburn 921: $courseinfo{$course}{'categories'} = $categories;
1.7 raeburn 922:
923: my %coursehash = &Apache::lonnet::dump('environment',$cdom,$cnum);
924: my @classids;
925: my @crosslistings;
1.15 raeburn 926: my ($seclist,$numsec) =
927: &identify_sections($coursehash{'internal.sectionnums'});
928: if (ref($usersections) eq 'HASH') {
929: if (ref($usersections->{$course}) eq 'ARRAY') {
930: $seclist = join(', ',@{$usersections->{$course}});
931: }
932: }
1.7 raeburn 933: $courseinfo{$course}{'seclist'} = $seclist;
1.15 raeburn 934: my ($xlist_items,$numxlist) =
935: &identify_sections($coursehash{'internal.crosslistings'});
1.7 raeburn 936: my $showsyllabus = 1; # default is to include a syllabus link
937: if (defined($coursehash{'showsyllabus'})) {
938: $showsyllabus = $coursehash{'showsyllabus'};
939: }
940: $courseinfo{$course}{'showsyllabus'} = $showsyllabus;
1.15 raeburn 941: if (((defined($env{'form.coursenum'}) && ($cnum eq $env{'form.coursenum'}))) ||
1.22 raeburn 942: ($knownuser && ($details == 1))) {
1.15 raeburn 943: $courseinfo{$course}{'counts'} = &count_students($cdom,$cnum,$numsec);
944: $courseinfo{$course}{'autoenrollment'} =
945: &autoenroll_info(\%coursehash,$now,$seclist,$xlist_items,
1.22 raeburn 946: $instcode,\@owners,$cdom,$cnum);
1.15 raeburn 947:
948: my $startaccess = '';
949: my $endaccess = '';
950: my $accessdates;
951: if ( defined($coursehash{'default_enrollment_start_date'}) ) {
952: $startaccess = &Apache::lonlocal::locallocaltime($coursehash{'default_enrollment_start_date'});
953: }
954: if ( defined($coursehash{'default_enrollment_end_date'}) ) {
955: $endaccess = &Apache::lonlocal::locallocaltime($coursehash{'default_enrollment_end_date'});
956: if ($coursehash{'default_enrollment_end_date'} == 0) {
1.34 raeburn 957: $endaccess = &mt('No ending date');
1.15 raeburn 958: }
959: }
960: if ($startaccess) {
1.42 bisitz 961: $accessdates .= '<i>'.&mt('From:[_1]','</i> '.$startaccess).'<br />';
1.7 raeburn 962: }
1.15 raeburn 963: if ($endaccess) {
1.42 bisitz 964: $accessdates .= '<i>'.&mt('To:[_1]','</i> '.$endaccess).'<br />';
1.15 raeburn 965: }
1.34 raeburn 966: if (($selfenroll_types ne '') &&
967: ($selfenroll_end > 0 && $selfenroll_end > $now)) {
968: my ($selfenroll_start_access,$selfenroll_end_access);
969: if (($coursehash{'default_enrollment_start_date'} ne
970: $coursehash{'internal.selfenroll_start_access'}) ||
971: ($coursehash{'default_enrollment_end_date'} ne
972: $coursehash{'internal.selfenroll_end_access'})) {
973: if ( defined($coursehash{'internal.selfenroll_start_access'}) ) {
974: $selfenroll_start_access = &Apache::lonlocal::locallocaltime($coursehash{'internal.selfenroll_start_access'});
975: }
976: if ( defined($coursehash{'default_enrollment_end_date'}) ) {
977: $selfenroll_end_access = &Apache::lonlocal::locallocaltime($coursehash{'internal.selfenroll_end_access'});
978: if ($coursehash{'internal.selfenroll_end_access'} == 0) {
979: $selfenroll_end_access = &mt('No ending date');
980: }
981: }
982: if ($selfenroll_start_access || $selfenroll_end_access) {
983: $accessdates .= '<br/><br /><i>'.&mt('Self-enrollers:').'</i><br />';
984: if ($selfenroll_start_access) {
1.42 bisitz 985: $accessdates .= '<i>'.&mt('From:[_1]','</i> '.$selfenroll_start_access).'<br />';
1.34 raeburn 986: }
987: if ($selfenroll_end_access) {
1.42 bisitz 988: $accessdates .= '<i>'.&mt('To:[_1]','</i> '.$selfenroll_end_access).'<br />';
1.34 raeburn 989: }
990: }
991: }
992: }
1.15 raeburn 993: $courseinfo{$course}{'access'} = $accessdates;
1.1 raeburn 994: }
1.7 raeburn 995: if ($xlist_items eq '') {
996: $xlist_items = &mt('No');
1.1 raeburn 997: }
1.7 raeburn 998: $courseinfo{$course}{'xlist'} = $xlist_items;
1.1 raeburn 999: }
1.7 raeburn 1000: return %courseinfo;
1.1 raeburn 1001: }
1002:
1.7 raeburn 1003: sub count_students {
1.15 raeburn 1004: my ($cdom,$cnum,$numsec) = @_;
1.1 raeburn 1005: my $classlist = &Apache::loncoursedata::get_classlist($cdom,$cnum);
1.7 raeburn 1006: my %student_count = (
1007: Active => 0,
1008: Future => 0,
1009: Expired => 0,
1010: );
1.1 raeburn 1011: my %idx;
1012: $idx{'status'} = &Apache::loncoursedata::CL_STATUS();
1.4 albertel 1013: my %status_title = &Apache::lonlocal::texthash(
1.1 raeburn 1014: Expired => 'Previous access',
1015: Active => 'Current access',
1016: Future => 'Future access',
1017: );
1.7 raeburn 1018:
1.4 albertel 1019: while (my ($student,$data) = each(%$classlist)) {
1.1 raeburn 1020: $student_count{$data->[$idx{'status'}]} ++;
1021: }
1.7 raeburn 1022:
1.43 bisitz 1023: my $countslist = &mt('[quant,_1,section:,sections:,No sections]',$numsec).'<br />';
1.7 raeburn 1024: foreach my $status ('Active','Future') {
1.43 bisitz 1025: $countslist .= '<span class="LC_nobreak">'.$status_title{$status}.': '.
1026: $student_count{$status}.'</span><br />';
1.1 raeburn 1027: }
1.7 raeburn 1028: return $countslist;
1029: }
1030:
1031: sub courseinfo_row {
1.35 raeburn 1032: my ($info,$knownuser,$details,$countref,$now,$course,$trails,$allitems) = @_;
1.7 raeburn 1033: my ($cdom,$cnum,$title,$ownerlast,$code,$owner,$seclist,$xlist_items,
1.35 raeburn 1034: $accessdates,$showsyllabus,$counts,$autoenrollment,$output,$categories);
1.7 raeburn 1035: if (ref($info) eq 'HASH') {
1036: $cdom = $info->{'cdom'};
1037: $cnum = $info->{'cnum'};
1038: $title = $info->{'title'};
1.22 raeburn 1039: $ownerlast = $info->{'ownerlastnames'};
1.7 raeburn 1040: $code = $info->{'code'};
1041: $owner = $info->{'owner'};
1042: $seclist = $info->{'seclist'};
1043: $xlist_items = $info->{'xlist'};
1044: $accessdates = $info->{'access'};
1045: $counts = $info->{'counts'};
1046: $autoenrollment = $info->{'autoenrollment'};
1047: $showsyllabus = $info->{'showsyllabus'};
1.35 raeburn 1048: $categories = $info->{'categories'};
1.7 raeburn 1049: } else {
1050: $output = '<td colspan="8">'.&mt('No information available for [_1].',
1051: $code).'</td>';
1052: return $output;
1.2 raeburn 1053: }
1.35 raeburn 1054: $output .= '<td>'.$$countref.'</td>';
1055: if ($env{'form.currcat_0'} eq 'instcode::0') {
1056: $output .= '<td>'.$code.'</td>';
1057: } else {
1058: my ($categorylist,@cats);
1059: if ($categories ne '') {
1060: @cats = split('&',$categories);
1061: }
1062: if ((ref($trails) eq 'ARRAY') && (ref($allitems) eq 'HASH')) {
1063: my @categories = map { $trails->[$allitems->{$_}]; } @cats;
1064: $categorylist = join('<br />',@categories);
1065: }
1066: if ($categorylist eq '') {
1067: $categorylist = ' ';
1068: }
1069: $output .= '<td>'.$categorylist.'</td>';
1070: }
1071: $output .= '<td>'.$seclist.'</td>'.
1.7 raeburn 1072: '<td>'.$xlist_items.'</td>'.
1073: '<td>'.$title.' <font size="-2">';
1.2 raeburn 1074: if ($showsyllabus) {
1.40 raeburn 1075: $output .= '<a href="javascript:ToSyllabus('."'$cdom','$cnum'".')">'.&mt('Syllabus').'</a>';
1.7 raeburn 1076: } else {
1077: $output .= ' ';
1.2 raeburn 1078: }
1079: $output .= '</font></td>'.
1.7 raeburn 1080: '<td>'.$ownerlast.'</td>';
1.15 raeburn 1081: if ($knownuser) {
1082: if ($details) {
1.8 raeburn 1083: $output .=
1.7 raeburn 1084: '<td>'.$accessdates.'</td>'.
1085: '<td>'.$counts.'</td>'.
1086: '<td>'.$autoenrollment.'</td>';
1.15 raeburn 1087: } else {
1088: $output .= "<td><a href=\"javascript:setCourseId('$cnum')\">".&mt('Show more details').'</a></td>';
1.8 raeburn 1089: }
1.7 raeburn 1090: }
1.27 raeburn 1091: my $selfenroll;
1092: if ($info->{'selfenroll_types'}) {
1093: my $showstart = &Apache::lonlocal::locallocaltime($info->{'selfenroll_start'});
1094: my $showend = &Apache::lonlocal::locallocaltime($info->{'selfenroll_end'});
1095: if (($info->{'selfenroll_end'} > 0) && ($info->{'selfenroll_end'} > $now)) {
1096: if (($info->{'selfenroll_start'} > 0) && ($info->{'selfenroll_start'} > $now)) {
1097: $output .= '<td>'.&mt('Starts: [_1]','<span class="LC_cusr_emph">'.$showstart.'</span>').'<br />'.&mt('Ends: [_1]','<span class="LC_cusr_emph">'.$showend.'</span>').'</td>';
1098: } else {
1.41 raeburn 1099: $output .= '<td><a href="javascript:ToSelfenroll('."'$course'".')">'.&mt('Enroll in course').'</a></td>';
1.27 raeburn 1100: }
1101: $selfenroll = 1;
1102: }
1103: }
1104: if (!$selfenroll) {
1105: $output .= '<td> </td>';
1106: }
1.24 raeburn 1107: $$countref ++;
1.1 raeburn 1108: return $output;
1109: }
1110:
1111: sub identify_sections {
1112: my ($seclist) = @_;
1113: my @secnums;
1114: if ($seclist =~ /,/) {
1.4 albertel 1115: my @sections = split(/,/,$seclist);
1.1 raeburn 1116: foreach my $sec (@sections) {
1117: $sec =~ s/:[^:]*$//;
1118: push(@secnums,$sec);
1119: }
1120: } else {
1121: if ($seclist =~ m/^([^:]+):/) {
1122: my $sec = $1;
1.4 albertel 1123: if (!grep(/^\Q$sec\E$/,@secnums)) {
1124: push(@secnums,$sec);
1.1 raeburn 1125: }
1126: }
1127: }
1128: @secnums = sort {$a <=> $b} @secnums;
1.39 raeburn 1129: $seclist = join(', ',@secnums);
1.15 raeburn 1130: my $numsec = @secnums;
1131: return ($seclist,$numsec);
1.1 raeburn 1132: }
1133:
1.2 raeburn 1134: sub get_valid_classes {
1.22 raeburn 1135: my ($seclist,$xlist_items,$crscode,$owners,$cdom,$cnum) = @_;
1.2 raeburn 1136: my $response;
1137: my %validations;
1138: @{$validations{'sections'}} = ();
1139: @{$validations{'xlists'}} = ();
1140: my $totalitems = 0;
1141: if ($seclist) {
1.13 raeburn 1142: foreach my $sec (split(/, /,$seclist)) {
1.2 raeburn 1143: my $class = $crscode.$sec;
1.22 raeburn 1144: if (&Apache::lonnet::auto_validate_class_sec($cdom,$cnum,$owners,
1.3 albertel 1145: $class) eq 'ok') {
1.2 raeburn 1146: if (!grep(/^\Q$sec$\E/,@{$validations{'sections'}})) {
1.4 albertel 1147: push(@{$validations{'sections'}},$sec);
1.2 raeburn 1148: $totalitems ++;
1149: }
1150: }
1151: }
1152: }
1153: if ($xlist_items) {
1.13 raeburn 1154: foreach my $item (split(/, /,$xlist_items)) {
1.22 raeburn 1155: if (&Apache::lonnet::auto_validate_class_sec($cdom,$cnum,$owners,
1.3 albertel 1156: $item) eq 'ok') {
1.2 raeburn 1157: if (!grep(/^\Q$item$\E/,@{$validations{'xlists'}})) {
1.4 albertel 1158: push(@{$validations{'xlists'}},$item);
1.2 raeburn 1159: $totalitems ++;
1160: }
1161: }
1162: }
1163: }
1164: if ($totalitems > 0) {
1165: if (@{$validations{'sections'}}) {
1.42 bisitz 1166: $response = &mt('Sections:').' '.
1.14 raeburn 1167: join(', ',@{$validations{'sections'}}).'<br />';
1.2 raeburn 1168: }
1169: if (@{$validations{'xlists'}}) {
1.42 bisitz 1170: $response .= &mt('Courses:').' '.
1.14 raeburn 1171: join(', ',@{$validations{'xlists'}});
1.2 raeburn 1172: }
1173: }
1174: return $response;
1175: }
1176:
1.6 raeburn 1177: sub javascript_select_filler {
1178: my ($formname,$scripttext,$codetitles,$longtitles_str,$allidlist) = @_;
1179: my $output = <<END;
1180: function courseSet() {
1181: var longtitles = new Array ("$longtitles_str");
1182: var valyr = document.$formname.Year.options[document.$formname.Year.selectedIndex].value
1183: var valsem = document.$formname.Semester.options[document.$formname.Semester.selectedIndex].value
1184: var valdept = document.$formname.Department.options[document.$formname.Department.selectedIndex].value
1185: var valclass = document.$formname.Number.options[document.$formname.Number.selectedIndex].value
1186: var idyears = new Array("$allidlist");
1187: var idyr = -1;
1188: var idsem = -1;
1189: var iddept = -1;
1190: document.$formname.Number.length = 0;
1191:
1192: $scripttext
1193:
1194: selYear = document.$formname.Year.selectedIndex-1;
1195: selSemester = document.$formname.Semester.selectedIndex-1;
1196: selDepartment = document.$formname.Department.selectedIndex-1;
1197: if (selYear == -1) {
1198: if (selSemester == -1) {
1199: if (selDepartment > -1) {
1200: document.$formname.Number.options[0] = new Option('All','0',false,false);
1201: for (var k=0; k<idcse_by_dep[selDepartment].length; k++) {
1202: document.$formname.Number.options[k+1] = new Option(idcse_by_dep[selDepartment][k],idcse_by_dep[selDepartment][k],false,false);
1203:
1204: }
1205: }
1206: else {
1207: document.$formname.Number.options[0] = new Option("All","0",true,true);
1208: }
1209: }
1210: else {
1211: if (selDepartment > -1) {
1212: for (var i=0; i<idcse_by_sem_sems.length; i++) {
1213: if (idcse_by_sem_sems[i] == valsem) {
1214: idsem = i;
1215: }
1216: }
1217: if (idsem != -1) {
1218: for (var i=0; i<idcse_by_sem_dept[idsem].length; i++) {
1219: if (idcse_by_sem_dept[idsem][i] == valdept) {
1220: iddept = i;
1221: }
1222: }
1223: }
1224: if (iddept != -1) {
1225: document.$formname.Number.options[0] = new Option('All','0',false,false);
1226: for (var k=0; k<idcse_by_sem_num[idsem][iddept].length; k++) {
1227: document.$formname.Number.options[k+1] = new Option(idcse_by_sem_num[idsem][iddept][k],idcse_by_sem_num[idsem][iddept][k],false,false);
1228: }
1229: }
1230: else {
1231: document.$formname.Number.options[0] = new Option('No courses','0',true,true);
1232: }
1233: }
1234: else {
1235: document.$formname.Number.options[0] = new Option("All","0",true,true);
1236: }
1237: }
1238: }
1239: else {
1240: if (selSemester == -1) {
1241: if (selDepartment > -1) {
1242: for (var i=0; i<idcse_by_yr_year.length; i++) {
1243: if (idcse_by_yr_year[i] == valyr) {
1244: idyr = i;
1245: }
1246: }
1247: if (idyr != -1) {
1248: for (var i=0; i<idcse_by_yr_dept[idyr].length; i++) {
1249: if (idcse_by_yr_dept[idyr][i] == valdept) {
1250: iddept = i;
1251: }
1252: }
1253: }
1254: if (iddept != -1) {
1255: document.$formname.Number.options[0] = new Option('All','0',false,false);
1256: for (var k=0; k<idcse_by_yr_num[idyr][iddept].length; k++) {
1257: document.$formname.Number.options[k+1] = new Option(idcse_by_yr_num[idyr][iddept][k],idcse_by_yr_num[idyr][iddept][k],false,false);
1258: }
1259: }
1260: else {
1261: document.$formname.Number.options[0] = new Option('No courses','0',true,true);
1262: }
1263: }
1264: else {
1265: document.$formname.Number.options[0] = new Option("All","0",true,true);
1266: }
1267: }
1268: else {
1.9 raeburn 1269: if (selDepartment > -1) {
1270: for (var k=0; k<idyears.length; k++) {
1271: if (idyears[k] == valyr) {
1272: idyr = k;
1273: }
1.6 raeburn 1274: }
1.9 raeburn 1275: if (idyr != -1) {
1276: for (var k=0; k<idsems[idyr].length; k++) {
1277: if (idsems[idyr][k] == valsem) {
1278: idsem = k;
1279: }
1.6 raeburn 1280: }
1281: }
1.9 raeburn 1282: if (idsem != -1) {
1283: for (var k=0; k<idcodes[idyr][idsem].length; k++) {
1284: if (idcodes[idyr][idsem][k] == valdept) {
1285: iddept = k;
1286: }
1.6 raeburn 1287: }
1288: }
1.9 raeburn 1289: if (iddept != -1) {
1290: document.$formname.Number.options[0] = new Option('All','0',false,false);
1291: for (var i=0; i<idcourses[idyr][idsem][iddept].length; i++) {
1292: var display = idcourses[idyr][idsem][iddept][i];
1293: if (longtitles[3] == 1) {
1294: if (idcourseslongs[idyr][idsem][iddept][i] != "") {
1295: display = idcourseslongs[idyr][idsem][iddept][i]
1296: }
1.6 raeburn 1297: }
1.9 raeburn 1298: document.$formname.Number.options[i+1] = new Option(display,idcourses[idyr][idsem][iddept][i],false,false)
1.6 raeburn 1299: }
1.9 raeburn 1300: }
1301: else {
1302: document.$formname.Number.options[0] = new Option('No courses','0',true,true);
1.6 raeburn 1303: }
1.9 raeburn 1304: }
1.6 raeburn 1305: else {
1.9 raeburn 1306: document.$formname.Number.options[0] = new Option('All','0',true,true);
1.6 raeburn 1307: }
1308: }
1309: document.$formname.Number.selectedIndex = 0
1310: }
1311: }
1312: END
1313: return $output;
1314: }
1.1 raeburn 1315:
1.7 raeburn 1316: sub autoenroll_info {
1.22 raeburn 1317: my ($coursehash,$now,$seclist,$xlist_items,$code,$owners,$cdom,$cnum) = @_;
1.7 raeburn 1318: my $autoenrolldates = &mt('Not enabled');
1319: if (defined($coursehash->{'internal.autoadds'}) && $coursehash->{'internal.autoadds'} == 1) {
1320: my ($autostart,$autoend);
1321: if ( defined($coursehash->{'internal.autostart'}) ) {
1322: $autostart = &Apache::lonlocal::locallocaltime($coursehash->{'internal.autostart'});
1323: }
1324: if ( defined($coursehash->{'internal.autoend'}) ) {
1325: $autoend = &Apache::lonlocal::locallocaltime($coursehash->{'internal.autoend'});
1326: }
1327: if ($coursehash->{'internal.autostart'} > $now) {
1328: if ($coursehash->{'internal.autoend'} && $coursehash->{'internal.autoend'} < $now) {
1329: $autoenrolldates = &mt('Not enabled');
1330: } else {
1331: my $valid_classes =
1332: &get_valid_classes($seclist,$xlist_items,$code,
1.22 raeburn 1333: $owners,$cdom,$cnum);
1.7 raeburn 1334: if ($valid_classes ne '') {
1.42 bisitz 1335: $autoenrolldates = &mt('Not enabled').'<br />'
1336: .&mt('Starts: [_1]',$autostart)
1337: .'<br />'.$valid_classes;
1338: }
1.7 raeburn 1339: }
1340: } else {
1341: if ($coursehash->{'internal.autoend'} && $coursehash->{'internal.autoend'} < $now) {
1.42 bisitz 1342: $autoenrolldates = &mt('Not enabled').'<br />'
1343: .&mt('Ended: [_1]',$autoend);
1.7 raeburn 1344: } else {
1345: my $valid_classes = &get_valid_classes($seclist,$xlist_items,
1.22 raeburn 1346: $code,$owners,$cdom,$cnum);
1.7 raeburn 1347: if ($valid_classes ne '') {
1.42 bisitz 1348: $autoenrolldates = &mt('Currently enabled').'<br />'.
1.7 raeburn 1349: $valid_classes;
1350: }
1351: }
1352: }
1353: }
1354: return $autoenrolldates;
1355: }
1356:
1.8 raeburn 1357: sub user_is_known {
1358: my $known = 0;
1359: if ($env{'user.name'} ne '' && $env{'user.name'} ne 'public'
1360: && $env{'user.domain'} ne '' && $env{'user.domain'} ne 'public') {
1361: $known = 1;
1362: }
1363: return $known;
1364: }
1365:
1.1 raeburn 1366: 1;
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>
![[BACK]](/icons/back.gif){kind=icon}
Return to coursecatalog.pm CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [LON-CAPA] / loncom / interface