1: # The LearningOnline Network
2: # "About Me" Personal Information
3: #
4: # $Id: lonaboutme.pm,v 1.57 2006/10/23 18:48:46 albertel Exp $
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::lonaboutme;
30:
31: use strict;
32: use Apache::Constants qw(:common);
33: use Apache::loncommon;
34: use Apache::lonnet;
35: use Apache::lontexconvert;
36: use Apache::lonfeedback;
37: use Apache::lonrss();
38: use Apache::lonlocal;
39: use Apache::lonmsgdisplay();
40: use HTML::Entities();
41:
42: sub handler {
43: my $r = shift;
44: &Apache::loncommon::content_type($r,'text/html');
45: $r->send_http_header;
46: return OK if $r->header_only;
47: my $target=$env{'form.grade_target'};
48: # ------------------------------------------------------------ Print the screen
49: if ($target eq 'tex') {
50: $r->print(&Apache::lonprintout::print_latex_header($env{'form.latex_type'}));
51: }
52: my (undef,undef,$cdom,$cnum,undef,$action)=split(/\//,$r->uri);
53: my $is_course;
54: # Is this even a user?
55: if (&Apache::lonnet::homeserver($cnum,$cdom) eq 'no_host') {
56: &Apache::loncommon::simple_error_page($r,'No info',
57: 'No user information available');
58: return OK;
59: } else {
60: $is_course = &check_for_course($cdom,$cnum);
61: }
62:
63: # --------------------------------------------------------- The syllabus fields
64: my %syllabusfields=&Apache::lonlocal::texthash(
65: 'aaa_contactinfo' => 'Contact Information',
66: 'bbb_aboutme' => 'About Me',
67: 'ccc_webreferences' => 'Web References');
68:
69: # ------------------------------------------------------------ Get Query String
70: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
71: ['forceedit','forcestudent',
72: 'register']);
73:
74: # ----------------------------------------------- Available Portfolio file display
75: if (($target ne 'tex') && ($action eq 'portfolio')) {
76: &display_portfolio_header($r,$is_course);
77: &display_portfolio_files($r,$is_course);
78: $r->print(&Apache::loncommon::end_page());
79: return OK;
80: }
81:
82: if ($is_course) {
83: if ($target ne 'tex') {
84: my $start_page =
85: &Apache::loncommon::start_page(
86: "Course Information",
87: undef,
88: {'function' => $env{'forcestudent'},
89: 'domain' => $cdom,
90: 'force_register' => $env{'forceregister'},});
91: $r->print($start_page);
92: $r->print('<h2>'.&mt('Group files').'</h2>');
93: &print_portfiles_link($r,$is_course);
94: $r->print(&Apache::loncommon::end_page());
95: }
96: return OK;
97: }
98:
99: # --------------------------------------------------------------- Force Student
100: my $forcestudent='';
101: if ($env{'form.forcestudent'}) { $forcestudent='student'; };
102:
103: my $forceregister = '';
104: if ($forcestudent eq '') {
105: $forceregister = $env{'form.register'};
106: }
107:
108: # --------------------------------------- There is such a user, get environment
109: my %courseenv=&Apache::lonnet::dump('environment',$cdom,$cnum);
110: if ($target ne 'tex') {
111: my $start_page =
112: &Apache::loncommon::start_page("Personal Information",undef,
113: {'function' => $forcestudent,
114: 'domain' => $cdom,
115: 'force_register' =>
116: $forceregister,});
117: $r->print($start_page);
118: $r->print('<h1>'.&Apache::loncommon::plainname($cnum,$cdom).'</h1>');
119: } else {
120: $r->print('\noindent{\large\textbf{'.&Apache::loncommon::plainname($cnum,$cdom).'}}\\\\\\\\');
121: }
122: if ($courseenv{'nickname'}) {
123: $r->print(
124: '<h2>"'.$courseenv{'nickname'}.
125: '"</h2>');
126: }
127: if ($target ne 'tex') {
128: $r->print('<h3>'.$Apache::lonnet::domaindescription{$cdom}.'</h3>'.
129: '<p>'.&Apache::loncommon::messagewrapper('Send me a message',$cnum,$cdom).'</p>'.&Apache::lonrss::advertisefeeds($cnum,$cdom));
130: } else {
131: $r->print('\textbf{'.$Apache::lonnet::domaindescription{$cdom}.'}\\\\');
132: }
133: my %syllabus=&Apache::lonnet::dump('aboutme',$cdom,$cnum);
134: my $allowed=0;
135:
136: # does this user have privileges to post, etc?
137:
138: my $privleged=$allowed=(($env{'user.name'} eq $cnum) &&
139: ($env{'user.domain'} eq $cdom));
140: if ($forcestudent or $target eq 'tex') { $allowed=0; }
141:
142: if ($allowed) {
143: my $query_string = &build_query_string({'forcestudent' => '1',});
144: $r->print('<p><b>'.&mt('Privacy Note').':</b> '.
145: &mt('The information you submit can be viewed by anybody who is logged into LON-CAPA. Do not provide information that you are not ready to share publicly.').
146: '</p>'.
147: &Apache::loncommon::help_open_topic('Uploaded_Templates_TextBoxes','Help with filling in text boxes').'</p><p><a href="'.$r->uri.$query_string.'">Show Public View</a>'.
148: &Apache::loncommon::help_open_topic('Uploaded_Templates_PublicView').'</p>');
149: } elsif ($privleged && $target ne 'tex') {
150: my $query_string = &build_query_string({'forceedit' => '1',});
151: $r->print('<p><a href="'.$r->uri.$query_string.'"><font size="+1">'.
152: &mt('Edit').'</font></a></p>');
153: }
154: if (($env{'form.uploaddoc.filename'}) &&
155: ($env{'form.storeupl'}) && ($allowed)) {
156: if ($env{'form.uploaddoc.filename'}=~/\.(gif|jpg|png|jpeg)$/i) {
157: if ($syllabus{'uploaded.photourl'}) {
158: &Apache::lonnet::removeuploadedurl($syllabus{'uploaded.photourl'});
159: }
160: $syllabus{'uploaded.photourl'}=
161: &Apache::lonnet::userfileupload('uploaddoc',undef,'aboutme');
162: }
163: $syllabus{'uploaded.lastmodified'}=time;
164: &Apache::lonnet::put('aboutme',\%syllabus,$cdom,$cnum);
165: }
166: if ($allowed && $env{'form.delupl'}) {
167: if ($syllabus{'uploaded.photourl'}) {
168: &Apache::lonnet::removeuploadedurl($syllabus{'uploaded.photourl'});
169: delete($syllabus{'uploaded.photourl'});
170: &Apache::lonnet::del('aboutme',['uploaded.photourl'],$cdom,$cnum);
171: }
172: }
173: if (($allowed) && ($env{'form.storesyl'})) {
174: foreach my $syl_field (keys(%syllabusfields)) {
175: my $field=$env{'form.'.$syl_field};
176: $field=~s/\s+$//s;
177: $field=&Apache::lonfeedback::clear_out_html($field,
178: $env{'user.adv'});
179: $syllabus{$syl_field}=$field;
180: }
181: $syllabus{'uploaded.lastmodified'}=time;
182: &Apache::lonnet::put('aboutme',\%syllabus,$cdom,$cnum);
183: }
184:
185: # ---------------------------------------------------------------- Get syllabus
186: if (($syllabus{'uploaded.lastmodified'}) || ($allowed)) {
187: my $lastmod=$syllabus{'uploaded.lastmodified'};
188: $lastmod=($lastmod?&Apache::lonlocal::locallocaltime($lastmod):&mt('never'));
189: $r->print(&mt('Last updated').': '.$lastmod);
190: if ($syllabus{'uploaded.photourl'}) {
191: &Apache::lonnet::allowuploaded('/adm/aboutme',
192: $syllabus{'uploaded.photourl'});
193: my $image=
194: qq{<img src="$syllabus{'uploaded.photourl'}" align="right" />};
195: if ($target eq 'tex') {
196: $image=&Apache::lonxml::xmlparse($r,'tex',$image);
197: }
198: $r->print($image);
199: }
200: if ($allowed) {
201: $r->print(
202: '<form method="post">
203: <input type="submit" name="delupl" value="Delete Photo" />
204: </form>'.
205: '<form method="post" enctype="multipart/form-data">'.
206: '<h3>'.&mt('Upload a Photo').'</h3>'.
207: '<input type="file" name="uploaddoc" size="50">'.
208: '<input type="submit" name="storeupl" value="Upload">'.
209: '</form><form method="post">');
210:
211: }
212: foreach my $field (sort(keys(%syllabusfields))) {
213: if (($syllabus{$field}) || ($allowed)) {
214: my $message=$syllabus{$field};
215: &Apache::lonfeedback::newline_to_br(\$message);
216: $message
217: =~s/(http\:\/\/[^\s]+)/\<a href=\"$1\"\>\<tt\>$1\<\/tt\>\<\/a\>/g;
218: if ($allowed) {
219: $message=&Apache::lonspeller::markeduptext($message);
220: }
221: $message=&Apache::lontexconvert::msgtexconverted($message);
222: if ($target ne 'tex') {
223: $r->print('<h3>'.$syllabusfields{$field}.'</h3><blockquote>'.
224: $message.'</blockquote>');
225: } else {
226: $r->print('\\\\\textbf{'.$syllabusfields{$field}.'}\\\\'.
227: &Apache::lonxml::xmlparse($r,'tex',$message).'\\\\');
228: }
229: if ($allowed) {
230: $r->print('<br /><textarea cols="80" rows="6" name="'.$field.'">'.
231: &HTML::Entities::encode($syllabus{$field},'"&<>').
232: '</textarea><input type="submit" name="storesyl" value="'.
233: &mt('Store').'" />');
234: }
235: }
236: }
237: if ($allowed) {
238: $r->print('</form>');
239: }
240: if ($target ne 'tex') {$r->print('<br />');} else {$r->print('\\\\');}
241: } else {
242: $r->print('<p>'.&mt('No personal information provided').'.</p>');
243: }
244:
245: if ($target ne 'tex') {
246: &print_portfiles_link($r,$is_course);
247: }
248:
249: if ($env{'request.course.id'}) {
250: if (&Apache::lonnet::allowed('srm',$env{'request.course.id'})) {
251: if ($target ne 'tex') {
252: $r->print('<a name="coursecomment" />');
253: $r->print('<hr /><h3>'.
254: &mt('User Notes, Records of Face-To-Face Discussions, and Critical Messages in Course').'</h3>'.
255: &mt('Shared by course faculty and staff').
256: &Apache::loncommon::help_open_topic("Course_Face_To_Face_Records,Course_Critical_Message").
257: '<br />');
258: &Apache::lonmsgdisplay::disfacetoface($r,$cnum,$cdom);
259: $r->print('<hr />');
260: if (&Apache::lonnet::allowed('vsa',
261: $env{'request.course.id'}) ||
262: &Apache::lonnet::allowed('vsa',
263: $env{'request.course.id'}.'/'.
264: $env{'request.course.sec'})) {
265: $r->print(&Apache::loncommon::track_student_link
266: ('View recent activity by this student',
267: $cnum,$cdom).(' 'x2));
268: }
269: $r->print(&Apache::loncommon::noteswrapper('Add Records',$cnum,$cdom));
270: } else {
271: $r->print('\\\\\textbf{'.&mt('User Notes, Records of Face-To-Face Discussions, and Critical Messages in Course').'}\\\\'.&mt('Shared by course faculty and staff').'\\\\\\\\');
272: &Apache::lonmsgdisplay::disfacetoface($r,$cnum,$cdom);
273: }
274: }
275: }
276: if ($target ne 'tex') {
277: $r->print(&Apache::loncommon::end_page());
278: } else {
279: $r->print('\end{document}');
280: }
281: return OK;
282: }
283:
284: sub aboutme_info {
285: my ($r,$is_course) = @_;
286: my (undef,undef,$cdom,$cnum)=split(/\//,$r->uri);
287: my $name;
288: if (!$is_course) {
289: $name = &Apache::loncommon::plainname($cnum,$cdom);
290: }
291: return ($cdom,$cnum,$name);
292: }
293:
294: sub print_portfiles_link {
295: my ($r,$is_course) = @_;
296: my ($cdom,$cnum,$name) = &aboutme_info($r,$is_course);
297: my $filecounts = &portfolio_files($r,'showlink',undef,$is_course);
298: my $query_string = &build_query_string();
299: my $output;
300: my %lt = &Apache::lonlocal::texthash(
301: vpfi => 'Viewable portfolio files',
302: vgpf => 'Viewable group portfolio files',
303: difl => 'Display file listing',
304: );
305: if ($filecounts->{'both'} > 0) {
306: $output = '<h3>'.($is_course?$lt{'vgpf'}:$lt{'vpfi'}).'</h3>';
307: $output .= '<a href="/adm/'.$cdom.'/'.$cnum.'/aboutme/portfolio'.
308: $query_string.'">'.$lt{'difl'}.
309: '</a><br /><br />';
310: if ($filecounts->{'both'} == 1) {
311: if ($is_course) {
312: $output .= &mt('One group portfolio file is available.').'<ul>';
313: } else {
314: $output .= &mt('One portfolio file owned by [_1] is available.',$name).'<ul>';
315: }
316: } else {
317: if ($is_course) {
318: $output .= &mt('A total of [_1] group portfolio files are available.',$filecounts->{'both'}).'<ul>';
319: } else {
320: $output .= &mt('A total of [_1] portfolio files owned by [_2] are available.',$filecounts->{'both'},$name).'<ul>';
321: }
322: }
323: if ($filecounts->{'withoutpass'}) {
324: $output .= '<li>'.&mt('[quant,_1,file is,files are] publicly accessible.',$filecounts->{'withoutpass'}).'</li>';
325: }
326: if ($filecounts->{'withpass'}) {
327: $output .= '<li>'.&mt('[quant,_1,file requires,files require] a passphrase for access.',$filecounts->{'withpass'}).'</li>';
328: }
329: $output .= '</ul>';
330: }
331: $r->print($output);
332: return;
333: }
334:
335: sub build_query_string {
336: my ($new_items) = @_;
337: my $query_string;
338: my @formelements = ('register');
339: my $new = 0;
340: if (ref($new_items) eq 'HASH') {
341: $new = 1;
342: if (!defined($new_items->{'forceedit'}) &&
343: !defined($new_items->{'forcestudent'})) {
344: push(@formelements,('forceedit','forcestudent'));
345: }
346: } else {
347: push(@formelements,('forceedit','forcestudent'));
348: }
349: foreach my $element (@formelements) {
350: if (exists($env{'form.'.$element})) {
351: if ((!$new) || (!defined($new_items->{$element}))) {
352: $query_string .= '&'.$element.'='.$env{'form.'.$element};
353: }
354: }
355: }
356: if ($new) {
357: foreach my $key (keys(%{$new_items})) {
358: $query_string .= '&'.$key.'='.$new_items->{$key};
359: }
360: }
361: $query_string =~ s/^\&/\?/;
362: return $query_string;
363: }
364:
365: sub display_portfolio_header {
366: my ($r,$is_course) = @_;
367: my ($cdom,$cnum,$name) = &aboutme_info($r,$is_course);
368: my $query_string = &build_query_string();
369: &Apache::lonhtmlcommon::clear_breadcrumbs();
370: my $forcestudent='';
371: if ($env{'form.forcestudent'}) { $forcestudent='student'; };
372:
373: my $output;
374: if ($is_course) {
375: $output =
376: &Apache::loncommon::start_page('Viewable group portfolio files',undef,
377: {'function' => $forcestudent,
378: 'domain' => $cdom,});
379: $output .= '<h3>'.&mt('Group Portfolio files').'</h3>';
380: } else {
381: $output =
382: &Apache::loncommon::start_page('Viewable portfolio files',undef,
383: {'function' => $forcestudent,
384: 'domain' => $cdom,});
385: if (!($env{'user.name'} eq 'public' && $env{'user.domain'} eq 'public')) {
386: &Apache::lonhtmlcommon::add_breadcrumb
387: ({href=>"/adm/$cdom/$cnum/aboutme".$query_string,
388: text=>"Personal information - $name",
389: title=>"Go to personal information page for $name"}, {href=>"/adm/$cdom/$cnum/aboutme/portfolio",
390: text=>"Viewable files - $name",
391: title=>"Viewable portfolio files for $name"}
392: );
393: $output .= &Apache::lonhtmlcommon::breadcrumbs(&mt('Viewable portfolio files.'));
394: }
395: $output .= '<h3>'.&mt('Portfolio files for [_1]',$name).'</h3>';
396: }
397: $r->print($output);
398: return;
399: }
400:
401: sub display_portfolio_files {
402: my ($r,$is_course) = @_;
403: my ($cdom,$cnum,$name) = &aboutme_info($r,$is_course);
404: my %lt = ( withoutpass => 'passphrase not required',
405: withpass => 'passphrase protected',
406: both => 'all access types ',);
407: %lt = &Apache::lonlocal::texthash(%lt);
408:
409: my $portaccess = 'withoutpass';
410: if (exists($env{'form.portaccess'})) {
411: $portaccess = $env{'form.portaccess'};
412: }
413:
414: my $output = '<form action="'.&HTML::Entities::encode($r->uri,'<>&"')
415: .'" name="displaystatus" method="post">'.
416: &mt('File access type: ').'<select name="portaccess">';
417: foreach my $type ('withoutpass','withpass','both') {
418: $output .= '<option value="'.$type.'" ';
419: if ($portaccess eq $type) {
420: $output .= 'selected="selected"';
421: }
422: $output .= '>'.$lt{$type}.'</option>';
423: }
424: $output .= '</select>'."\n".
425: '<input type="submit" name="portaccessbutton" value="'.
426: &mt('Update display').'" />';
427: $output .= '</form><br /><br />';
428: $r->print($output);
429: my $filecounts = &portfolio_files($r,'listfiles',\%lt,$is_course);
430: if (!($env{'user.name'} eq 'public' && $env{'user.domain'} eq 'public')) {
431: my $query_string = &build_query_string();
432: $r->print('<br /><br /><a href="/adm/'.$cdom.'/'.$cnum.
433: '/aboutme'.$query_string.'">');
434: if ($is_course) {
435: $r->print(&mt('Course Information page'));
436: } else {
437: $r->print(&mt('Information about [_1]',$name));
438: }
439: $r->print('</a>');
440: }
441: return;
442: }
443:
444: sub portfolio_files {
445: my ($r,$mode,$lt,$is_course) = @_;
446: my ($cdom,$cnum,$name) = &aboutme_info($r,$is_course);
447: my $filecounts = {
448: withpass => 0,
449: withoutpass => 0,
450: both => 0,
451: };
452: my $current_permissions =
453: &Apache::lonnet::get_portfile_permissions($cdom,$cnum);
454: my %access_controls =
455: &Apache::lonnet::get_access_controls($current_permissions);
456: my $portaccess;
457: if ($mode eq 'showlink') {
458: $portaccess = 'both';
459: } else {
460: $portaccess = 'withoutpass';
461: if (exists($env{'form.portaccess'})) {
462: $portaccess = $env{'form.portaccess'};
463: }
464: }
465:
466: my $diroutput;
467: if ($is_course) {
468: my %files_by_group;
469: foreach my $filename (sort(keys(%access_controls))) {
470: my ($group,$path) = split('/',$filename,2);
471: $files_by_group{$group}{$path} = $access_controls{$filename};
472: }
473: foreach my $group (sort(keys(%files_by_group))) {
474: my %fileshash;
475: my $grpout .= &build_hierarchy($r,$cdom,$cnum,$portaccess,
476: $is_course,$filecounts,$mode,
477: $files_by_group{$group},
478: \%fileshash,$group);
479: if ($grpout) {
480: $diroutput .= '<h3>'.$group.'</h3>'.$grpout.'<br />';
481: }
482: }
483: } else {
484: my %allfileshash;
485: $diroutput = &build_hierarchy($r,$cdom,$cnum,$portaccess,$is_course,
486: $filecounts,$mode,\%access_controls,
487: \%allfileshash);
488: }
489: if ($mode eq 'listfiles') {
490: if ($filecounts->{'both'}) {
491: $r->print($diroutput);
492: } else {
493: my $access_text;
494: if (ref($lt) eq 'HASH') {
495: $access_text = $lt->{$portaccess};
496: }
497: $r->print(&mt('There are no available files of the specified access type: [_1]',$access_text));
498: }
499: }
500: return $filecounts;
501: }
502:
503: {
504: my $count=0;
505: sub portfolio_table_start {
506: $count=0;
507: return '<table class="LC_aboutme_port">';
508: }
509: sub portfolio_row_start {
510: $count++;
511: my $class = ($count%2)?'LC_odd_row'
512: :'LC_even_row';
513: return '<tr class="'.$class.'">';
514: }
515: }
516:
517: sub build_hierarchy {
518: my ($r,$cdom,$cnum,$portaccess,$is_course,$filecounts,$mode,$access_info,
519: $allfileshash,$group) = @_;
520: foreach my $filename (sort(keys(%{$access_info}))) {
521: my $access_status =
522: &Apache::lonnet::get_portfolio_access($cdom,$cnum,$filename,$group, $$access_info{$filename});
523: if ($portaccess eq 'both') {
524: if (($access_status ne 'ok') &&
525: ($access_status !~ /^[^:]+:guest_/)) {
526: next;
527: }
528: } elsif ($portaccess eq 'withoutpass') {
529: if ($access_status ne 'ok') {
530: next;
531: }
532: } elsif ($portaccess eq 'withpass') {
533: if ($access_status !~ /^[^:]+:guest_/) {
534: next;
535: }
536: }
537: if ($mode eq 'listfiles') {
538: $filename =~ s/^\///;
539: my @pathitems = split('/',$filename);
540: my $lasthash = $allfileshash;
541: while (@pathitems > 1) {
542: my $newlevel = shift(@pathitems);
543: if (!exists($lasthash->{$newlevel})) {
544: $lasthash->{$newlevel} = {};
545: }
546: $lasthash = $lasthash->{$newlevel};
547: }
548: $lasthash->{$pathitems[0]} = $filename;
549: }
550: if ($access_status eq 'ok') {
551: $filecounts->{'withoutpass'} ++;
552: } elsif ($access_status =~ /^[^:]+:guest_/) {
553: $filecounts->{'withpass'} ++;
554: }
555: }
556: $filecounts->{'both'} = $filecounts->{'withoutpass'} +
557: $filecounts->{'withpass'};
558: my $output;
559: if ($mode eq 'listfiles') {
560: if ($filecounts->{'both'} > 0) {
561: $output = &portfolio_table_start();
562: $output .= &parse_directory($r,0,$allfileshash,'',$is_course,
563: $group);
564: $output .= '</table>';
565: }
566: }
567: return $output;
568: }
569:
570: sub parse_directory {
571: my ($r,$depth,$currhash,$path,$is_course,$group) = @_;
572: my ($cdom,$cnum,$name) = &aboutme_info($r,$is_course);
573: $depth++;
574: my $output;
575:
576: my $portfolio_root = &Apache::portfolio::get_portfolio_root($cdom,$cnum,
577: $group);
578: my %dirlist = map {
579: ((split('&',$_,2))[0],1)
580: } &Apache::lonnet::dirlist($path,$cdom,$cnum,$portfolio_root);
581: foreach my $item (sort(keys(%{$currhash}))) {
582: $output .= &portfolio_row_start();
583: $output .= '<td style="padding-left: '.($depth*25).'px">';
584: if (ref($currhash->{$item}) eq 'HASH') {
585: my $title=&HTML::Entities::encode($item,'<>&"');
586: $output .= '<img src="'.&Apache::loncommon::lonhttpdurl("/adm/lonIcons/navmap.folder.open.gif").'" alt="'.&mt('Folder').' '.$title.'" class="LC_icon" /> '.$title;
587: $output .= '</td><td></td></tr>';
588: $output .= &parse_directory($r,$depth,$currhash->{$item},
589: $path.'/'.$item,$is_course,$group);
590: } else {
591: my $file_name;
592: if ($currhash->{$item} =~ m|/([^/]+)$|) {
593: $file_name = $1;
594: } else {
595: $file_name = $currhash->{$item};
596: }
597: my $have_meta = exists($dirlist{$file_name.'.meta'});
598: my $url;
599: if ($is_course) {
600: $url = '/uploaded/'.$cdom.'/'.$cnum.'/groups/'.$group.
601: '/portfolio/'.$currhash->{$item};
602: } else {
603: $url = '/uploaded/'.$cdom.'/'.$cnum.'/portfolio/'.
604: $currhash->{$item};
605: }
606: my $showname;
607: if ($have_meta) {
608: $showname = &Apache::lonnet::metadata($url,'title');
609: }
610: if ($showname eq '') {
611: $showname = $file_name;
612: } else {
613: $showname = $file_name.' ('.$showname.')';
614: }
615:
616: $showname=&HTML::Entities::encode($showname,'<>&"');
617: $output .= '<a href="'.$url.'">'.
618: '<img alt="" src="'.&Apache::loncommon::icon($currhash->{$item}).'" class="LC_icon" />'.
619: ' '.$showname.'</a>';
620: $output.='</td><td>';
621: if ($have_meta) {
622: $output.= '<a href="'.$url.'.meta"><img alt="'.&mt('Catalog Information').'" src="'.
623: &Apache::loncommon::lonhttpdurl('/res/adm/pages/catalog.gif').
624: '" class="LC_icon" /></a>';
625: }
626: $output .= '</td></tr>';
627: }
628: }
629: return $output;
630: }
631:
632: sub check_for_course {
633: my ($cdom,$cnum) = @_;
634: my %courses = &Apache::lonnet::courseiddump($cdom,'.',1,'.','.',$cnum,undef,
635: undef,'.');
636: if (exists($courses{$cdom.'_'.$cnum})) {
637: return 1;
638: }
639: return 0;
640: }
641:
642: 1;
643: __END__
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