1: # The LearningOnline Network with CAPA
2: # Metadata display handler
3: #
4: # $Id: lonmeta.pm,v 1.257 2023/11/07 21:31:11 raeburn 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::lonmeta;
30:
31: use strict;
32: use LONCAPA::lonmetadata();
33: use Apache::Constants qw(:common);
34: use Apache::lonnet;
35: use Apache::loncommon();
36: use Apache::lonhtmlcommon();
37: use Apache::lonmsg;
38: use Apache::lonpublisher;
39: use Apache::lonlocal;
40: use Apache::lonmysql;
41: use Apache::lonmsg;
42: use LONCAPA qw(:DEFAULT :match);
43:
44:
45: sub get_dynamic_metadata_from_sql {
46: my ($url) = shift();
47: my ($authordom,$author)=($url=~m{^/res/($match_domain)/($match_username)/});
48: if (! defined($authordom)) {
49: $authordom = shift();
50: }
51: if (! defined($author)) {
52: $author = shift();
53: }
54: if (! defined($authordom) || ! defined($author)) {
55: return ();
56: }
57: my $query = 'SELECT * FROM metadata WHERE url LIKE "'.$url.'%"';
58: my $server = &Apache::lonnet::homeserver($author,$authordom);
59: my $reply = &Apache::lonnet::metadata_query($query,undef,undef,
60: ,[$server]);
61: return () if (! defined($reply) || ref($reply) ne 'HASH');
62: my $filename = $reply->{$server};
63: if (! defined($filename) || $filename =~ /^error/) {
64: return ();
65: }
66: my $max_time = time + 10; # wait 10 seconds for results at most
67: my %ReturnHash;
68: #
69: # Look for results
70: my $finished = 0;
71: while (! $finished && time < $max_time) {
72: my $datafile=$Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/'.$filename;
73: if (! -e "$datafile.end") { next; }
74: my $fh;
75: if (!($fh=Apache::File->new($datafile))) { next; }
76: while (my $result = <$fh>) {
77: chomp($result);
78: next if (! $result);
79: my %hash=&LONCAPA::lonmetadata::metadata_col_to_hash('metadata',
80: map { &unescape($_) } split(/\,/,$result));
81: foreach my $key (keys(%hash)) {
82: $ReturnHash{$hash{'url'}}->{$key}=$hash{$key};
83: }
84: }
85: $finished = 1;
86: }
87: #
88: return %ReturnHash;
89: }
90:
91:
92: # Fetch and evaluate dynamic metadata
93: sub dynamicmeta {
94: my $url=&Apache::lonnet::declutter(shift);
95: $url=~s/\.meta$//;
96: my ($adomain,$aauthor)=($url=~/^($match_domain)\/($match_username)\//);
97: my $regexp=$url;
98: $regexp=~s/(\W)/\\$1/g;
99: $regexp='___'.$regexp.'___';
100: my %evaldata=&Apache::lonnet::dump('nohist_resevaldata',$adomain,
101: $aauthor,$regexp);
102: my %DynamicData = &LONCAPA::lonmetadata::process_reseval_data(\%evaldata);
103: my %Data = &LONCAPA::lonmetadata::process_dynamic_metadata($url,
104: \%DynamicData);
105: #
106: # Deal with 'count' separately
107: $Data{'count'} = &access_count($url,$aauthor,$adomain);
108: #
109: # Debugging code I will probably need later
110: if (0) {
111: &Apache::lonnet::logthis('Dynamic Metadata');
112: while(my($k,$v)=each(%Data)){
113: &Apache::lonnet::logthis(' "'.$k.'"=>"'.$v.'"');
114: }
115: &Apache::lonnet::logthis('-------------------');
116: }
117: return %Data;
118: }
119:
120: sub access_count {
121: my ($src,$author,$adomain) = @_;
122: my %countdata=&Apache::lonnet::dump('nohist_accesscount',$adomain,
123: $author,$src);
124: if (! exists($countdata{$src})) {
125: return &mt('Not Available');
126: } else {
127: return $countdata{$src};
128: }
129: }
130:
131: # Try to make an alt tag if there is none
132: sub alttag {
133: my ($base,$src)=@_;
134: my $fullpath=&Apache::lonnet::hreflocation($base,$src);
135: my $alttag=&Apache::lonnet::metadata($fullpath,'title').' '.
136: &Apache::lonnet::metadata($fullpath,'subject').' '.
137: &Apache::lonnet::metadata($fullpath,'abstract');
138: $alttag=~s/\s+/ /gs;
139: $alttag=~s/\"//gs;
140: $alttag=~s/\'//gs;
141: $alttag=~s/\s+$//gs;
142: $alttag=~s/^\s+//gs;
143: if ($alttag) {
144: return $alttag;
145: } else {
146: return &mt('No information available');
147: }
148: }
149:
150: # Author display
151: sub authordisplay {
152: my ($aname,$adom)=@_;
153: return &Apache::loncommon::aboutmewrapper
154: (&Apache::loncommon::plainname($aname,$adom),
155: $aname,$adom,'preview').' <tt>['.$aname.':'.$adom.']</tt>';
156: }
157:
158: # Pretty display
159: sub evalgraph {
160: my $value=shift;
161: if (! $value) {
162: return '';
163: }
164: my $val=int($value*10.+0.5)-10;
165: my $output='<table border="0" cellpadding="0" cellspacing="0"><tr>';
166: if ($val>=20) {
167: $output.='<td width="20" bgcolor="#555555">'.(' ' x2).'</td>';
168: } else {
169: $output.='<td width="'.($val).'" bgcolor="#555555"> </td>'.
170: '<td width="'.(20-$val).'" bgcolor="#FF3333"> </td>';
171: }
172: $output.='<td bgcolor="#FFFF33"> </td>';
173: if ($val>20) {
174: $output.='<td width="'.($val-20).'" bgcolor="#33FF33"> </td>'.
175: '<td width="'.(40-$val).'" bgcolor="#555555"> </td>';
176: } else {
177: $output.='<td width="20" bgcolor="#555555">'.(' ' x2).'</td>';
178: }
179: $output.='<td> ('.sprintf("%5.2f",$value).') </td></tr></table>';
180: return $output;
181: }
182:
183: sub diffgraph {
184: my $value=shift;
185: if (! $value) {
186: return '';
187: }
188: my $val=int(40.0*$value+0.5);
189: my @colors=('#FF9933','#EEAA33','#DDBB33','#CCCC33',
190: '#BBDD33','#CCCC33','#DDBB33','#EEAA33');
191: my $output='<table border="0" cellpadding="0" cellspacing="0"><tr>';
192: for (my $i=0;$i<8;$i++) {
193: if ($val>$i*5) {
194: $output.='<td width="5" bgcolor="'.$colors[$i].'"> </td>';
195: } else {
196: $output.='<td width="5" bgcolor="#555555"> </td>';
197: }
198: }
199: $output.='<td> ('.sprintf("%3.2f",$value).') </td></tr></table>';
200: return $output;
201: }
202:
203:
204: # The field names
205: sub fieldnames {
206: my $file_type=shift;
207: my %fields =
208: ('title' => 'Title',
209: 'author' =>'Author(s)',
210: 'authorspace' => 'Author Space',
211: 'modifyinguser' => 'Last Modifying User',
212: 'subject' => 'Subject',
213: 'standards' => 'Standards',
214: 'keywords' => 'Keyword(s)',
215: 'notes' => 'Notes',
216: 'abstract' => 'Abstract',
217: 'lowestgradelevel' => 'Lowest Grade Level',
218: 'highestgradelevel' => 'Highest Grade Level');
219:
220: if ( !defined($file_type) || ($file_type ne 'portfolio' && $file_type ne 'groups') ) {
221: %fields =
222: (%fields,
223: 'domain' => 'Domain',
224: 'mime' => 'MIME Type',
225: 'language' => 'Language',
226: 'creationdate' => 'Creation Date',
227: 'lastrevisiondate' => 'Last Revision Date',
228: 'owner' => 'Publisher/Owner',
229: 'copyright' => 'Copyright/Distribution',
230: 'customdistributionfile' => 'Custom Distribution File',
231: 'sourceavail' => 'Source Available',
232: 'sourcerights' => 'Source Custom Distribution File',
233: 'obsolete' => 'Obsolete',
234: 'obsoletereplacement' => 'Suggested Replacement for Obsolete File',
235: 'count' => 'Network-wide number of accesses (hits)',
236: 'course' => 'Network-wide number of courses using resource',
237: 'course_list' => 'Network-wide courses using resource',
238: 'sequsage' => 'Number of resources using or importing resource',
239: 'sequsage_list' => 'Resources using or importing resource',
240: 'goto' => 'Number of resources that follow this resource in maps',
241: 'goto_list' => 'Resources that follow this resource in maps',
242: 'comefrom' => 'Number of resources that lead up to this resource in maps',
243: 'comefrom_list' => 'Resources that lead up to this resource in maps',
244: 'clear' => 'Material presented in clear way',
245: 'depth' => 'Material covered with sufficient depth',
246: 'helpful' => 'Material is helpful',
247: 'correct' => 'Material appears to be correct',
248: 'technical' => 'Resource is technically correct',
249: 'avetries' => 'Average number of tries till solved',
250: 'stdno' => 'Statistics calculated for number of students',
251: 'difficulty' => 'Degree of difficulty',
252: 'disc' => 'Degree of discrimination',
253: 'dependencies' => 'Resources used by this resource',
254: );
255: }
256: return &Apache::lonlocal::texthash(%fields);
257: }
258:
259: sub portfolio_linked_path {
260: my ($path,$group,$port_path) = @_;
261:
262: my $start = 'portfolio';
263: if ($group) {
264: $start = "groups/$group/".$start;
265: }
266: my %anchor_fields = (
267: 'selectfile' => $start,
268: 'currentpath' => '/'
269: );
270: my $result = &Apache::portfolio::make_anchor($port_path,\%anchor_fields,$start);
271: my $fullpath = '/';
272: my (undef,@tree) = split('/',$path);
273: my $filename = pop(@tree);
274: foreach my $dir (@tree) {
275: $fullpath .= $dir.'/';
276: $result .= '/';
277: my %anchor_fields = (
278: 'selectfile' => $dir,
279: 'currentpath' => $fullpath
280: );
281: $result .= &Apache::portfolio::make_anchor($port_path,\%anchor_fields,$dir);
282: }
283: $result .= "/$filename";
284: return $result;
285: }
286:
287: sub get_port_path_and_group {
288: my ($uri)=@_;
289:
290: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
291: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
292:
293: my ($port_path,$group);
294: if ($uri =~ m{^/editupload/\Q$cdom\E/\Q$cnum\E/groups/}) {
295: $group = (split('/',$uri))[5];
296: $port_path = '/adm/coursegrp_portfolio';
297: } else {
298: $port_path = '/adm/portfolio';
299: }
300: if ($env{'form.group'} ne $group) {
301: $env{'form.group'} = $group;
302: }
303: return ($port_path,$group);
304: }
305:
306: sub portfolio_display_uri {
307: my ($uri,$as_links)=@_;
308:
309: my ($port_path,$group) = &get_port_path_and_group($uri);
310:
311: $uri =~ s|.*/(portfolio/.*)$|$1|;
312: my ($res_uri,$meta_uri) = ($uri,$uri);
313: if ($uri =~ /\.meta$/) {
314: $res_uri =~ s/\.meta//;
315: } else {
316: $meta_uri .= '.meta';
317: }
318:
319: my ($path) = ($res_uri =~ m|^portfolio(.*/)[^/]*$|);
320: if ($as_links) {
321: $res_uri = &portfolio_linked_path($res_uri,$group,$port_path);
322: $meta_uri = &portfolio_linked_path($meta_uri,$group,$port_path);
323: }
324: return ($res_uri,$meta_uri,$path);
325: }
326:
327: sub pre_select_course {
328: my ($r,$uri) = @_;
329: my $output;
330: my $fn=&Apache::lonnet::filelocation('',$uri);
331: my ($res_uri,$meta_uri,$path) = &portfolio_display_uri($uri);
332: %Apache::lonpublisher::metadatafields=();
333: %Apache::lonpublisher::metadatakeys=();
334: my $result=&Apache::lonnet::getfile($fn);
335: if ($result == -1){
336: $r->print(&mt('Creating new file [_1]'),$meta_uri);
337: } else {
338: &Apache::lonpublisher::metaeval($result);
339: }
340: $r->print('<hr /><form method="post" action="" >');
341: $r->print('<p>'.&mt('If you would like to associate this resource ([_1]) with a current or previous course, please select one from the list below, otherwise select, "None".','<tt>'.$res_uri.'</tt>').'</p>');
342: $output = &select_course();
343: $r->print($output.'<br /><input type="submit" name="store" value="'.
344: &mt('Associate Resource With Selected Course').'" />');
345: $r->print('<input type="hidden" name="currentpath" value="'.$env{'form.currentpath'}.'" />');
346: $r->print('<input type="hidden" name="associate" value="true" />');
347: $r->print('</form>');
348:
349: my ($port_path,$group) = &get_port_path_and_group($uri);
350: my $group_input;
351: if ($group) {
352: $group_input = '<input type="hidden" name="group" value="'.$group.'" />';
353: }
354: $r->print(' <form method="post" action="'.$port_path.'">'.
355: '<input type="hidden" name="currentpath" value="'.$path.'" />'.
356: $group_input.
357: '<input type="submit" name="cancel" value="'.&mt('Cancel').'" />'.
358: '</form>');
359:
360: return;
361: }
362: sub select_course {
363: my $output=$/;
364: my $current_restriction=
365: $Apache::lonpublisher::metadatafields{'courserestricted'};
366: my $selected = ($current_restriction eq 'none' ? 'selected="selected"'
367: : '');
368: if ($current_restriction =~ /^course\.($match_domain\_$match_courseid)$/) {
369: my $assoc_crs = $1;
370: my $added_metadata_fields = &Apache::lonparmset::get_added_meta_fieldnames($assoc_crs);
371: if (ref($added_metadata_fields) eq 'HASH') {
372: if (keys(%{$added_metadata_fields}) > 0) {
373: my $transfernotes;
374: foreach my $field_name (keys(%{$added_metadata_fields})) {
375: my $value = $Apache::lonpublisher::metadatafields{$field_name};
376: if ($value) {
377: $transfernotes .=
378: &Apache::loncommon::start_data_table_row().
379: '<td><input type="checkbox" name="transfer_'.
380: $field_name.'" value="1" /></td><td>'.
381: $field_name.'</td><td>'.$value.'</td>'.
382: &Apache::loncommon::end_data_table_row();
383: }
384: }
385: if ($transfernotes ne '') {
386: my %courseinfo = &Apache::lonnet::coursedescription($assoc_crs,{'one_time' => 1});
387: my $assoc_crs_description = $courseinfo{'description'};
388: $output .= &mt('This resource is currently associated with a course ([_1]) which includes added metadata fields specific to the course.',$assoc_crs_description).'<br />'."\n".
389: &mt('You can choose to transfer data from the added fields to the "Notes" field if you are planning to change the course association.').'<br /><br />'.
390: &Apache::loncommon::start_data_table().
391: &Apache::loncommon::start_data_table_header_row().
392: '<th>'.&mt('Copy to notes?').'</th>'."\n".
393: '<th>'.&mt('Field Name').'</th>'."\n".
394: '<th>'.&mt('Values').'</th>'."\n".
395: &Apache::loncommon::end_data_table_header_row().
396: $transfernotes.
397: &Apache::loncommon::end_data_table().'<br />';
398: }
399: }
400: }
401: }
402: $output .= '<select name="new_courserestricted" >';
403: $output .= '<option value="none" '.$selected.'>'.
404: &mt('None').'</option>'.$/;
405: my %courses;
406: foreach my $key (keys(%env)) {
407: if ($key !~ m/^course\.(.+)\.description$/) { next; }
408: my $cid = $1;
409: if ($env{$key} !~ /\S/) { next; }
410: $courses{$key} = $cid;
411: }
412: foreach my $key (sort { lc($env{$a}) cmp lc($env{$b}) } (keys(%courses))) {
413: my $cid = 'course.'.$courses{$key};
414: my $selected = ($current_restriction eq $cid ? 'selected="selected"'
415: : '');
416: if ($env{$key} !~ /\S/) { next; }
417: $output .= '<option value="'.$cid.'" '.$selected.'>';
418: $output .= $env{$key};
419: $output .= '</option>'.$/;
420: $selected = '';
421: }
422: $output .= '</select><br />';
423: return ($output);
424: }
425: # Pretty printing of metadata field
426:
427: sub prettyprint {
428: my ($type,$value,$target,$prefix,$form)=@_;
429: # $target,$prefix,$form are optional and for filecrumbs only
430: if (! defined($value)) {
431: return ' ';
432: }
433: # Title
434: if ($type eq 'title') {
435: return $value;
436: }
437: # Dates
438: if (($type eq 'creationdate') ||
439: ($type eq 'lastrevisiondate')) {
440: return ($value?&Apache::lonlocal::locallocaltime(
441: &Apache::lonmysql::unsqltime($value)):
442: &mt('not available'));
443: }
444: # Language
445: if ($type eq 'language') {
446: return &Apache::loncommon::languagedescription($value);
447: }
448: # Copyright
449: if ($type eq 'copyright') {
450: return &Apache::loncommon::copyrightdescription($value);
451: }
452: # Copyright
453: if ($type eq 'sourceavail') {
454: return &Apache::loncommon::source_copyrightdescription($value);
455: }
456: # MIME
457: if ($type eq 'mime') {
458: return '<img src="'.&Apache::loncommon::icon($value).'" alt="" /> '.
459: &Apache::loncommon::filedescription($value);
460: }
461: # Person
462: if (($type eq 'author') ||
463: ($type eq 'owner') ||
464: ($type eq 'modifyinguser') ||
465: ($type eq 'authorspace')) {
466: $value=~s/($match_username)(\:|\@)($match_domain)/&authordisplay($1,$3)/gse;
467: return $value;
468: }
469: # Gradelevel
470: if (($type eq 'lowestgradelevel') ||
471: ($type eq 'highestgradelevel')) {
472: return &Apache::loncommon::gradeleveldescription($value);
473: }
474: # Only for advance users below
475: if (! $env{'user.adv'}) {
476: return '<i>- '.&mt('not displayed').' -</i>';
477: }
478: # File
479: if (($type eq 'customdistributionfile') ||
480: ($type eq 'obsoletereplacement') ||
481: ($type eq 'goto_list') ||
482: ($type eq 'comefrom_list') ||
483: ($type eq 'sequsage_list') ||
484: ($type eq 'dependencies')) {
485: return '<ul class="LC_fontsize_medium">'.join("\n",map {
486: my $url = &Apache::lonnet::clutter_with_no_wrapper($_);
487: my $title = &Apache::lonnet::gettitle($url);
488: if ($title eq '') {
489: $title = 'Untitled';
490: if ($url =~ /\.sequence$/) {
491: $title .= ' Sequence';
492: } elsif ($url =~ /\.page$/) {
493: $title .= ' Page';
494: } elsif ($url =~ /\.problem$/) {
495: $title .= ' Problem';
496: } elsif ($url =~ /\.html$/) {
497: $title .= ' HTML document';
498: } elsif ($url =~ m:/syllabus$:) {
499: $title .= ' Syllabus';
500: }
501: }
502: $_ = '<li>'.$title.' '.
503: &Apache::lonhtmlcommon::crumbs($url,$target,$prefix,$form).
504: '</li>'
505: } split(/\s*\,\s*/,$value)).'</ul>';
506: }
507: # Evaluations
508: if (($type eq 'clear') ||
509: ($type eq 'depth') ||
510: ($type eq 'helpful') ||
511: ($type eq 'correct') ||
512: ($type eq 'technical')) {
513: return &evalgraph($value);
514: }
515: # Difficulty
516: if ($type eq 'difficulty' || $type eq 'disc') {
517: return &diffgraph($value);
518: }
519: # List of courses
520: if ($type=~/\_list/) {
521: my @Courses = split(/\s*\,\s*/,$value);
522: my $Str='<ul class="LC_fontsize_medium">';
523: my %descriptions;
524: foreach my $course (@Courses) {
525: my %courseinfo =
526: &Apache::lonnet::coursedescription($course,
527: {'one_time' => 1});
528: if (! exists($courseinfo{'num'}) || $courseinfo{'num'} eq '') {
529: next;
530: }
531: $descriptions{join('\0',@courseinfo{'domain','description'})} .=
532: '<li><a href="/public/'.$courseinfo{'domain'}.'/'.
533: $courseinfo{'num'}.'/syllabus" target="preview">'.
534: $courseinfo{'description'}.' ('.$courseinfo{'domain'}.
535: ')</a></li>';
536: }
537: foreach my $course (sort {lc($a) cmp lc($b)} (keys(%descriptions))) {
538: $Str .= $descriptions{$course};
539: }
540:
541: return $Str.'</ul>';
542: }
543: # No pretty print found
544: return $value;
545: }
546:
547: # Pretty input of metadata field
548: sub direct {
549: return shift;
550: }
551:
552: sub selectbox {
553: my ($name,$value,$readonly,$functionref,@idlist)=@_;
554: if (! defined($functionref)) {
555: $functionref=\&direct;
556: }
557: my $disabled;
558: if ($readonly) {
559: $disabled = ' disabled="disabled"';
560: }
561: my $selout='<select name="'.$name.'">';
562: foreach my $id (@idlist) {
563: $selout.='<option value="'.$id.'"'.$disabled;
564: if ($id eq $value) {
565: $selout.=' selected="selected">'.&{$functionref}($id).'</option>';
566: } else {
567: $selout.='>'.&{$functionref}($id).'</option>';
568: }
569: }
570: return $selout.'</select>';
571: }
572:
573: sub relatedfield {
574: my ($show,$relatedsearchflag,$relatedsep,$fieldname,$relatedvalue)=@_;
575: if (! $relatedsearchflag) {
576: return '';
577: }
578: if (! defined($relatedsep)) {
579: $relatedsep=' ';
580: }
581: if (! $show) {
582: return $relatedsep.' ';
583: }
584: return $relatedsep.'<input type="checkbox" name="'.$fieldname.'_related"'.
585: ($relatedvalue?' checked="checked"':'').' />';
586: }
587:
588: sub prettyinput {
589: my ($type,$value,$readonly,$fieldname,$formname,
590: $relatedsearchflag,$relatedsep,$relatedvalue,$size,$course_key)=@_;
591: if (! defined($size)) {
592: $size = 80;
593: }
594: my $output;
595: if (defined($course_key)
596: && exists($env{$course_key.'.metadata.'.$type.'.options'})) {
597: my $stu_add;
598: my $only_one;
599: my %meta_options;
600: my @cur_values_inst;
601: my $cur_values_stu;
602: my $values = $env{$course_key.'.metadata.'.$type.'.values'};
603: if ($env{$course_key.'.metadata.'.$type.'.options'} =~ m/stuadd/) {
604: $stu_add = 'true';
605: }
606: if ($env{$course_key.'.metadata.'.$type.'.options'} =~ m/onlyone/) {
607: $only_one = 'true';
608: }
609: # need to take instructor values out of list where instructor and student
610: # values may be mixed.
611: if ($values) {
612: foreach my $item (split(/,/,$values)) {
613: $item =~ s/^\s+//;
614: $meta_options{$item} = $item;
615: }
616: foreach my $item (split(/,/,$value)) {
617: $item =~ s/^\s+//;
618: if ($meta_options{$item}) {
619: push(@cur_values_inst,$item);
620: } else {
621: if ($item ne '') {
622: $cur_values_stu .= $item.',';
623: }
624: }
625: }
626: $cur_values_stu =~ s/,$//;
627: my @key_order = sort(keys(%meta_options));
628: unshift(@key_order,'');
629: $meta_options{''} = 'Not specified';
630: $meta_options{'select_form_order'} = \@key_order;
631: } else {
632: $cur_values_stu = $value;
633: }
634: if ($type eq 'courserestricted') {
635: return (&select_course());
636: # return ('<input type="hidden" name="new_courserestricted" value="'.$course_key.'" />');
637: }
638: if (($type eq 'keywords') || ($type eq 'subject')
639: || ($type eq 'author')||($type eq 'notes')
640: || ($type eq 'abstract')|| ($type eq 'title')|| ($type eq 'standards')
641: || (exists($env{$course_key.'.metadata.'.$type.'.added'}))) {
642:
643: if ($values) {
644: if ($only_one) {
645: $output .= (&Apache::loncommon::select_form($cur_values_inst[0],'new_'.$type,\%meta_options));
646: } else {
647: $output .= (&Apache::loncommon::multiple_select_form('new_'.$type,\@cur_values_inst,undef,\%meta_options));
648: }
649: }
650: if ($stu_add) {
651: $output .= '<input type="text" name="'.$fieldname.'" size="'.$size.'" '.
652: 'value="'.$cur_values_stu.'" />'.
653: &relatedfield(1,$relatedsearchflag,$relatedsep,$fieldname,
654: $relatedvalue);
655: }
656: return ($output);
657: }
658: if (($type eq 'lowestgradelevel') ||
659: ($type eq 'highestgradelevel')) {
660: return &Apache::loncommon::select_level_form($value,$fieldname).
661: &relatedfield(0,$relatedsearchflag,$relatedsep);
662: }
663: return();
664: }
665: # Language
666: if ($type eq 'language') {
667: return &selectbox($fieldname,
668: $value,'',
669: \&Apache::loncommon::languagedescription,
670: (&Apache::loncommon::languageids)).
671: &relatedfield(0,$relatedsearchflag,$relatedsep);
672: }
673: # Copyright
674: if ($type eq 'copyright') {
675: return &selectbox($fieldname,
676: $value,$readonly,
677: \&Apache::loncommon::copyrightdescription,
678: (&Apache::loncommon::copyrightids)).
679: &relatedfield(0,$relatedsearchflag,$relatedsep);
680: }
681: # Source Copyright
682: if ($type eq 'sourceavail') {
683: return &selectbox($fieldname,
684: $value,'',
685: \&Apache::loncommon::source_copyrightdescription,
686: (&Apache::loncommon::source_copyrightids)).
687: &relatedfield(0,$relatedsearchflag,$relatedsep);
688: }
689: # Gradelevels
690: if (($type eq 'lowestgradelevel') ||
691: ($type eq 'highestgradelevel')) {
692: return &Apache::loncommon::select_level_form($value,$fieldname).
693: &relatedfield(0,$relatedsearchflag,$relatedsep);
694: }
695: # Obsolete
696: if ($type eq 'obsolete') {
697: return '<input type="checkbox" name="'.$fieldname.'"'.
698: ($value?' checked="checked"':'').' />'.
699: &relatedfield(0,$relatedsearchflag,$relatedsep);
700: }
701: # Obsolete replacement file
702: if ($type eq 'obsoletereplacement') {
703: return '<input type="text" name="'.$fieldname.
704: '" size="60" value="'.$value.'" /><a href="javascript:openbrowser'.
705: "('".$formname."','".$fieldname."'".
706: ",'')\">".&mt('Select').'</a>'.
707: &relatedfield(0,$relatedsearchflag,$relatedsep);
708: }
709: # Customdistribution file
710: if ($type eq 'customdistributionfile') {
711: my $disabled;
712: if ($readonly) {
713: $disabled = ' disabled="disabled"';
714: }
715: my $output;
716: $output = '<input type="text" name="'.$fieldname.
717: '" size="60" value="'.$value.'"'.$disabled.' />';
718: unless ($readonly) {
719: $output .= '<a href="javascript:openbrowser'.
720: "('".$formname."','".$fieldname."'".
721: ",'rights')\">".&mt('Select').'</a>';
722: }
723: $output .= &relatedfield(0,$relatedsearchflag,$relatedsep);
724: return $output;
725: }
726: # Source Customdistribution file
727: if ($type eq 'sourcerights') {
728: return '<input type="text" name="'.$fieldname.
729: '" size="60" value="'.$value.'" /><a href="javascript:openbrowser'.
730: "('".$formname."','".$fieldname."'".
731: ",'rights')\">".&mt('Select').'</a>'.
732: &relatedfield(0,$relatedsearchflag,$relatedsep);
733: }
734: if ($type eq 'courserestricted') {
735: return (&select_course());
736: #return ('<input type="hidden" name="new_courserestricted" value="'.$course_key.'" />');
737: }
738:
739: # Dates
740: if (($type eq 'creationdate') ||
741: ($type eq 'lastrevisiondate')) {
742: return
743: &Apache::lonhtmlcommon::date_setter($formname,$fieldname,$value).
744: &relatedfield(0,$relatedsearchflag,$relatedsep);
745: }
746: # No pretty input found
747: $value=~s/^\s+//gs;
748: $value=~s/\s+$//gs;
749: $value=~s/\s+/ /gs;
750: $value=~s/\"/\"\;/gs;
751: return
752: '<input type="text" name="'.$fieldname.'" size="'.$size.'" '.
753: 'value="'.$value.'" />'.
754: &relatedfield(1,$relatedsearchflag,$relatedsep,$fieldname,
755: $relatedvalue);
756: }
757:
758: # Create pageheader
759: sub pageheader {
760: my $output = '';
761: # No CSTR? Include breadcrumbs
762: if ($env{'request.state'} ne 'construct') {
763: # loncommon::bodytag already includes breadcrumbs for CSTR
764: # by calling lonmenu::innerregister
765: $output = &Apache::lonhtmlcommon::breadcrumbs();
766: }
767: # CSTR? Include CSTR header
768: if ($env{'request.state'} eq 'construct') {
769: $output .= &Apache::loncommon::head_subbox(
770: &Apache::loncommon::CSTR_pageheader());
771: }
772: return $output;
773: }
774:
775: # Main Handler
776: sub handler {
777: my $r=shift;
778: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
779: ['currentpath','changecourse','modal']);
780: my $uri=$r->uri;
781: #
782: # Set document type
783: &Apache::loncommon::content_type($r,'text/html');
784: $r->send_http_header;
785: return OK if $r->header_only;
786: my ($resdomain,$resuser)=
787: (&Apache::lonnet::declutter($uri)=~/^($match_domain)\/($match_username)\//);
788:
789: # Breadcrumbs
790: &Apache::lonhtmlcommon::clear_breadcrumbs();
791:
792: if ($env{'request.state'} eq 'construct') {
793: my $text = 'Authoring Space';
794: my $href = &Apache::loncommon::authorspace($uri);
795: if ($env{'request.course.id'}) {
796: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
797: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
798: if ($href eq "/priv/$cdom/$cnum/") {
799: $text = 'Course Authoring Space';
800: }
801: }
802: &Apache::lonhtmlcommon::add_breadcrumb({
803: 'text' => $text,
804: 'href' => $href,
805: });
806: }
807:
808: if ($uri=~m:/adm/bombs/(.*)$:) {
809: &Apache::lonhtmlcommon::add_breadcrumb({
810: 'text' => 'Error Messages',
811: 'href' => '',
812: });
813: $r->print(&Apache::loncommon::start_page('Error Messages'));
814: $r->print(&pageheader());
815: # Looking for all bombs?
816: &report_bombs($r,$uri);
817: } elsif ($uri=~m|^/editupload/[^/]+/[^/]+/portfolio/|) {
818: &Apache::lonhtmlcommon::add_breadcrumb({
819: 'text' => 'Edit Portfolio File Metadata',
820: 'href' => '',
821: });
822: ($resdomain,$resuser)=
823: (&Apache::lonnet::declutter($uri)=~m|^($match_domain)/($match_name)/portfolio|);
824: $r->print(&Apache::loncommon::start_page('Edit Portfolio File Metadata',
825: undef,
826: {'domain' => $resdomain,}));
827: $r->print(&pageheader());
828: if ($env{'form.store'}) {
829: &present_editable_metadata($r,$uri,'portfolio');
830: } else {
831: my $fn=&Apache::lonnet::filelocation('',$uri);
832: %Apache::lonpublisher::metadatafields=();
833: %Apache::lonpublisher::metadatakeys=();
834: my $result=&Apache::lonnet::getfile($fn);
835: &Apache::lonpublisher::metaeval($result);
836: if ((!$Apache::lonpublisher::metadatafields{'courserestricted'}) ||
837: ($env{'form.changecourse'} eq 'true')) {
838: &pre_select_course($r,$uri);
839: } else {
840: &present_editable_metadata($r,$uri,'portfolio');
841: }
842: }
843: } elsif ($uri=~m|^/editupload/[^/]+/[^/]+/groups/|) {
844: &Apache::lonhtmlcommon::add_breadcrumb({
845: 'text' => 'Edit Group Portfolio File Metadata',
846: 'href' => '',
847: });
848: $r->print(&Apache::loncommon::start_page('Edit Group Portfolio File Metadata',
849: undef,
850: {'domain' => $resdomain,}));
851: $r->print(&pageheader());
852: &present_editable_metadata($r,$uri,'groups');
853: } elsif ($uri=~m|^/priv|) {
854: # Authoring space
855: &Apache::lonhtmlcommon::add_breadcrumb({
856: 'text' => 'Edit Metadata',
857: 'href' => '',
858: });
859: $r->print(&Apache::loncommon::start_page('Edit Metadata',
860: "\n".'<script type="text/javascript">'."\n".
861: &Apache::loncommon::browser_and_searcher_javascript().
862: "\n".'</script>',
863: {'domain' => $resdomain,}));
864: $r->print(&pageheader());
865: &present_editable_metadata($r,$uri);
866: } else {
867: &Apache::lonhtmlcommon::add_breadcrumb({
868: 'text' => 'Metadata',
869: 'href' => '',
870: });
871: $r->print(
872: &Apache::loncommon::start_page(
873: 'Metadata',
874: undef,
875: {'domain' => $resdomain,
876: 'only_body' => 1,})
877: .'<h1>'.&mt('Metadata').'</h1>'
878: );
879: if ($env{'form.modal'}) {
880: my $width = 500;
881: my $height = 400;
882: my $machine = &Apache::lonnet::absolute_url();
883: $r->print(&Apache::loncommon::nicescroll_javascript('metadatawrapper',
884: {cursorcolor => '#00F',
885: railalign => 'right',
886: railoffset => '{top:5,left:40}'},
887: undef,1,$machine.$uri));
888: $r->print('<div id="metadatawrapper" style="height:'.$height.'px; width:'.$width.'px; overflow: auto;">');
889: }
890: &present_uneditable_metadata($r,$uri);
891: if ($env{'form.modal'}) {
892: $r->print('</div>');
893: }
894: }
895: $r->print(&Apache::loncommon::end_page());
896: return OK;
897: }
898:
899: #####################################################
900: #####################################################
901: ### ###
902: ### Report Bombs ###
903: ### ###
904: #####################################################
905: #####################################################
906: sub report_bombs {
907: my ($r,$uri) = @_;
908: # Set document type
909: $uri =~ s:/adm/bombs/::;
910: $uri = &Apache::lonnet::declutter($uri);
911: $r->print(
912: '<p>'.&mt('Folder: [_1]',
913: '<span class="LC_filename">'.&Apache::lonnet::clutter($uri).'</span>')
914: .'</p>'
915: );
916: my ($domain,$author)=($uri=~/^($match_domain)\/($match_username)\//);
917: if (!&Apache::lonnet::constructaccess('/priv/'.$domain.'/'.$author.'/')) {
918: $r->print('<p class="LC_error">'.&mt('Not authorized').'</p>');
919: return;
920: }
921:
922: my $showbuttons=1;
923: my $message='';
924: if ($env{'form.clearbombs'}) {
925: my $rc=&Apache::lonmsg::clear_author_res_msg($uri);
926: if ($rc eq 'ok') {
927: $message=&Apache::lonhtmlcommon::confirm_success(
928: &mt('Messages cleared.'));
929: $showbuttons=0;
930: } else {
931: $message=&Apache::lonhtmlcommon::confirm_success(
932: &mt('Error clearing messages'),1)
933: .'<br />'.&mt('Error: [_1]',$rc);
934: }
935: }
936:
937: if ($message) {
938: $message=&Apache::loncommon::confirmwrapper($message);
939: $r->print($message);
940: }
941:
942: my $cancelurl=$uri;
943: $cancelurl=~s/^\Q$domain\E/\/priv\/$domain/;
944:
945: if ($showbuttons) {
946: $r->print(
947: '<form method="post" action="">'.
948: '<input type="submit" name="clearbombs" value="'.
949: &mt('Clear all Messages in Subdirectory').'" />'.
950: ' <a href="'.$cancelurl.'">'.
951: &mt('Back to Source Directory').'</a>'.
952: '</form><hr />'
953: );
954: # Display all bombs of subdirectory
955: my %brokenurls =
956: &Apache::lonmsg::all_url_author_res_msg($author,$domain);
957: foreach my $key (sort(keys(%brokenurls))) {
958: if ($key=~/^\Q$uri\E/) {
959: $r->print
960: ('<a href="'.&Apache::lonnet::clutter($key).'">'.$key.'</a>'.
961: &Apache::lonmsg::retrieve_author_res_msg($key).
962: '<hr />');
963: }
964: }
965: } else {
966: my $functions=&Apache::lonhtmlcommon::start_funclist('Actions');
967: $functions.=&Apache::lonhtmlcommon::add_item_funclist(
968: '<a href="'.$cancelurl.'">'.
969: &mt('Back to Source Directory').'</a>');
970: $functions .= &Apache::lonhtmlcommon::end_funclist();
971: $r->print('<p>'.$functions.'</p>');
972: }
973: return;
974: }
975:
976: #####################################################
977: #####################################################
978: ### ###
979: ### Uneditable Metadata Display ###
980: ### ###
981: #####################################################
982: #####################################################
983: sub present_uneditable_metadata {
984: my ($r,$uri) = @_;
985: #
986: my $uploaded = ($uri =~ m|/uploaded/|);
987: my %content=();
988: # Read file
989: foreach my $key (split(/\,/,&Apache::lonnet::metadata($uri,'keys'))) {
990: $content{$key}=&Apache::lonnet::metadata($uri,$key);
991: }
992: # Render Output
993: # displayed url
994: my ($thisversion)=($uri=~/\.(\d+)\.(\w+)\.meta$/);
995: $uri=~s/\.meta$//;
996: my $disuri=&Apache::lonnet::clutter_with_no_wrapper($uri);
997: # version
998: my $versiondisplay='';
999: if (!$uploaded) {
1000: my $currentversion=&Apache::lonnet::getversion($disuri);
1001: if ($thisversion) {
1002: $versiondisplay=&mt('Version').': '.$thisversion.
1003: ' ('.&mt('most recent version').': '.
1004: ($currentversion>0 ?
1005: $currentversion :
1006: &mt('information not available')).')';
1007: } else {
1008: $versiondisplay=&mt('Version: [_1]',$currentversion);
1009: }
1010: }
1011: # crumbify displayed URL uri target prefix form
1012: $disuri=&Apache::lonhtmlcommon::crumbs($disuri,undef, undef, undef);
1013: # obsolete
1014: my $obsolete=$content{'obsolete'};
1015: my $obsoletewarning='';
1016: if (($obsolete) && ($env{'user.adv'})) {
1017: $obsoletewarning='<p><span class="LC_warning">'.
1018: &mt('This resource has been marked obsolete by the author(s)').
1019: '</span></p>';
1020: }
1021: #
1022: my %lt=&fieldnames();
1023: my $table='';
1024: my $title = $content{'title'};
1025: if (! defined($title)) {
1026: $title = &mt('Untitled Resource');
1027: }
1028: my @fields;
1029: if ($uploaded) {
1030: @fields = ('title','author','subject','keywords','notes','abstract',
1031: 'lowestgradelevel','highestgradelevel','standards','mime',
1032: 'owner');
1033: } else {
1034: @fields = ('title',
1035: 'author',
1036: 'subject',
1037: 'keywords',
1038: 'notes',
1039: 'abstract',
1040: 'lowestgradelevel',
1041: 'highestgradelevel',
1042: 'standards',
1043: 'mime',
1044: 'language',
1045: 'creationdate',
1046: 'lastrevisiondate',
1047: 'owner',
1048: 'copyright',
1049: 'customdistributionfile',
1050: 'sourceavail',
1051: 'sourcerights',
1052: 'obsolete',
1053: 'obsoletereplacement');
1054: }
1055: my $rownum = 0;
1056: foreach my $field (@fields) {
1057: my $lastrow = '';
1058: $rownum ++;
1059: $lastrow = 1 if ($rownum == @fields);
1060: $table.=&Apache::lonhtmlcommon::row_title($lt{$field})
1061: .&prettyprint($field,$content{$field})
1062: .&Apache::lonhtmlcommon::row_closure($lastrow);
1063: delete($content{$field});
1064: }
1065: #
1066: $r->print("<h2>$title</h2>"
1067: .'<p>'
1068: .$disuri.'<br />'
1069: .$obsoletewarning
1070: .$versiondisplay
1071: .'</p>'
1072: .&Apache::lonhtmlcommon::start_pick_box()
1073: .$table
1074: .&Apache::lonhtmlcommon::end_pick_box()
1075: );
1076: if (!$uploaded && $env{'user.adv'}) {
1077: &print_dynamic_metadata($r,$uri,\%content);
1078: }
1079: return;
1080: }
1081:
1082: sub print_dynamic_metadata {
1083: my ($r,$uri,$content) = @_;
1084: #
1085: my %content = %$content;
1086: my %lt=&fieldnames();
1087: #
1088: my $description = 'Dynamic Metadata (updated periodically)';
1089: $r->print('<h3>'.&mt($description).'</h3>'.
1090: &mt('Processing'));
1091: $r->rflush();
1092: my %items=&fieldnames();
1093: my %dynmeta=&dynamicmeta($uri);
1094: #
1095: # General Access and Usage Statistics
1096: $r->print('<h4>'.&mt('Access and Usage Statistics').'</h4>');
1097: if (exists($dynmeta{'count'}) ||
1098: exists($dynmeta{'sequsage'}) ||
1099: exists($dynmeta{'comefrom'}) ||
1100: exists($dynmeta{'goto'}) ||
1101: exists($dynmeta{'course'})) {
1102: $r->print(&Apache::lonhtmlcommon::start_pick_box());
1103: my @counts = ('count','sequsage','sequsage_list',
1104: 'comefrom','comefrom_list','goto',
1105: 'goto_list','course','course_list');
1106: my $rownum = 0;
1107: foreach my $item (@counts) {
1108: my $lastrow = '';
1109: $rownum ++;
1110: $lastrow = 1 if ($rownum == @counts);
1111: $r->print(&Apache::lonhtmlcommon::row_title($lt{$item})
1112: .&prettyprint($item,$dynmeta{$item})
1113: .&Apache::lonhtmlcommon::row_closure($lastrow)
1114: );
1115: }
1116: $r->print(&Apache::lonhtmlcommon::end_pick_box());
1117: } else {
1118: $r->print('<p>'
1119: .&mt('No Access or Usages Statistics are available for this resource.')
1120: .'</p>'
1121: );
1122: }
1123: #
1124: # Assessment statistics
1125: if ($uri=~/$LONCAPA::assess_re/) {
1126: if (exists($dynmeta{'stdno'}) ||
1127: exists($dynmeta{'avetries'}) ||
1128: exists($dynmeta{'difficulty'}) ||
1129: exists($dynmeta{'disc'})) {
1130: # This is an assessment, print assessment data
1131: $r->print('<h4>'.
1132: &mt('Overall Assessment Statistical Data').
1133: '</h4>'.
1134: &Apache::lonhtmlcommon::start_pick_box());
1135: $r->print(&Apache::lonhtmlcommon::row_title($lt{'stdno'})
1136: .&prettyprint('stdno',$dynmeta{'stdno'})
1137: .&Apache::lonhtmlcommon::row_closure()
1138: );
1139: my @stats = ('avetries','difficulty','disc');
1140: my $rownum = 0;
1141: foreach my $item (@stats) {
1142: my $lastrow = '';
1143: $rownum ++;
1144: $lastrow = 1 if ($rownum == @stats);
1145: $r->print(&Apache::lonhtmlcommon::row_title($lt{$item})
1146: .&prettyprint($item,sprintf('%5.2f',$dynmeta{$item}))
1147: .&Apache::lonhtmlcommon::row_closure($lastrow)
1148: );
1149: }
1150: $r->print(&Apache::lonhtmlcommon::end_pick_box());
1151: }
1152: #
1153: # New assessment statistics
1154: $r->print('<h4>'
1155: .&mt('Recent Detailed Assessment Statistical Data')
1156: .'</h4>'
1157: );
1158: if (exists($dynmeta{'stats'})) {
1159: my $table=&Apache::loncommon::start_data_table()
1160: .&Apache::loncommon::start_data_table_header_row()
1161: .'<th>'.&mt('Domain').'</th>'
1162: .'<th>'.&mt('Course').'</th>'
1163: .'<th>'.&mt('Section(s)').'</th>'
1164: .'<th>'.&mt('Num Students').'</th>'
1165: .'<th>'.&mt('Part').'</th>'
1166: .'<th>'.&mt('Mean Tries').'</th>'
1167: .'<th>'.&mt('Degree of Difficulty').'</th>'
1168: .'<th>'.&mt('Degree of Discrimination').'</th>'
1169: .'<th>'.&mt('Time of computation').'</th>'
1170: .&Apache::loncommon::end_data_table_header_row().$/;
1171: foreach my $identifier (sort(keys(%{$dynmeta{'stats'}}))) {
1172: my $data = $dynmeta{'stats'}->{$identifier};
1173: my $course = $data->{'course'};
1174: my %courseinfo =
1175: &Apache::lonnet::coursedescription($course,
1176: {'one_time' => 1});
1177: if (! exists($courseinfo{'num'}) || $courseinfo{'num'} eq '') {
1178: &Apache::lonnet::logthis('lookup for '.$course.' failed');
1179: next;
1180: }
1181: $table .= &Apache::loncommon::start_data_table_row();
1182: $table .=
1183: '<td><span class="LC_nobreak">'.$courseinfo{'domain'}.'</span></td>';
1184: $table .=
1185: '<td><span class="LC_nobreak">'.$courseinfo{'description'}.'</span></td>';
1186: $table .=
1187: '<td align="right">'.$data->{'sections'}.'</td>';
1188: $table .=
1189: '<td align="right">'.$data->{'stdno'}.'</td>';
1190: $table .=
1191: '<td align="right">'.$data->{'part'}.'</td>';
1192: foreach my $item ('avetries','difficulty','disc') {
1193: $table .= '<td align="right">';
1194: if (exists($data->{$item})) {
1195: $table .= sprintf('%.2f',$data->{$item}).' ';
1196: } else {
1197: $table .= '';
1198: }
1199: $table .= '</td>';
1200: }
1201: $table .=
1202: '<td><span class="LC_nobreak">'.
1203: &Apache::lonlocal::locallocaltime($data->{'timestamp'}).
1204: '</span></td>';
1205: $table .= &Apache::loncommon::end_data_table_row().$/;
1206: }
1207: $table .= &Apache::loncommon::end_data_table().$/;
1208: $r->print($table);
1209: } else {
1210: $r->print('<p>'
1211: .&mt('No new dynamic data found.')
1212: .'</p>'
1213: );
1214: }
1215: } else {
1216: $r->print('<h4>'.
1217: &mt('No Assessment Statistical Data is available for this resource').
1218: '</h4>');
1219: }
1220: #
1221: # Evaluation Data
1222: $r->print('<h4>'.&mt('Evaluation Data').'</h4>');
1223: if (exists($dynmeta{'clear'}) ||
1224: exists($dynmeta{'depth'}) ||
1225: exists($dynmeta{'helpful'}) ||
1226: exists($dynmeta{'correct'}) ||
1227: exists($dynmeta{'technical'})){
1228: $r->print(&Apache::lonhtmlcommon::start_pick_box());
1229: my @criteria = ('clear','depth','helpful','correct','technical');
1230: my $rownum = 0;
1231: foreach my $item (@criteria) {
1232: my $lastrow = '';
1233: $rownum ++;
1234: $lastrow = 1 if ($rownum == @criteria);
1235: $r->print(&Apache::lonhtmlcommon::row_title($lt{$item})
1236: .&prettyprint($item,$dynmeta{$item})
1237: .&Apache::lonhtmlcommon::row_closure($lastrow)
1238: );
1239: }
1240: $r->print(&Apache::lonhtmlcommon::end_pick_box());
1241: } else {
1242: $r->print('<p>'
1243: .&mt('No Evaluation Data is available for this resource.')
1244: .'</p>'
1245: );
1246: }
1247: # Evaluation Comments
1248: $uri=~/^\/res\/($match_domain)\/($match_username)\//;
1249: if ((($env{'user.domain'} eq $1) && ($env{'user.name'} eq $2))
1250: || ($env{'user.role.ca./'.$1.'/'.$2})) {
1251: $r->print('<h4>'.&mt('Evaluation Comments').'</h4>'
1252: .'<div>('
1253: .&mt('visible to author and co-authors only')
1254: .')</div>'
1255: );
1256: if (exists($dynmeta{'comments'})) {
1257: $r->print('<blockquote>'.$dynmeta{'comments'}.'</blockquote>');
1258: } else {
1259: $r->print('<p>'
1260: .&mt('There are no Evaluation Comments on this resource.')
1261: .'</p>'
1262: );
1263: }
1264: my $bombs = &Apache::lonmsg::retrieve_author_res_msg($uri);
1265: if (defined($bombs) && $bombs ne '') {
1266: $r->print('<a name="bombs" />'
1267: .'<h4 class="LC_warning">'.&mt('Error Messages').'</h4>'
1268: .'<div>('
1269: .&mt('visible to author and co-authors only')
1270: .')</div>'
1271: .$bombs
1272: );
1273: } #else {
1274: # $r->print('<h4>'.&mt('There are currently no Error Messages for this resource.').'</h4>');
1275: #}
1276: }
1277: #
1278: # All other stuff
1279: $r->print('<h3>'.
1280: &mt('Additional Metadata (non-standard, parameters, exports)').
1281: '</h3>');
1282: $r->print(&Apache::lonhtmlcommon::start_pick_box());
1283: my @names;
1284: foreach my $key (sort(keys(%content))) {
1285: if ($key!~/\.display$/) {
1286: push(@names,$key);
1287: }
1288: }
1289: if (@names > 0) {
1290: my $rownum = 0;
1291: foreach my $name (@names) {
1292: my $lastrow = '';
1293: $rownum ++;
1294: $lastrow = 1 if ($rownum == @names);
1295:
1296: my $display=&Apache::lonnet::metadata($uri,
1297: $name.'.display');
1298: if (! $display) {
1299: $display=$name;
1300: };
1301: my $otherinfo='';
1302: foreach my $item ('name','part','type','default') {
1303: if (defined(&Apache::lonnet::metadata($uri,
1304: $name.'.'.$item))) {
1305: $otherinfo.=' '.$item.'='.
1306: &Apache::lonnet::metadata($uri,
1307: $name.'.'.$item).'; ';
1308: }
1309: }
1310: $r->print(&Apache::lonhtmlcommon::row_title($display)
1311: .$content{$name}
1312: );
1313: if ($otherinfo) {
1314: $r->print(' ('.$otherinfo.')');
1315: }
1316: $r->print(&Apache::lonhtmlcommon::row_closure($lastrow));
1317: }
1318: }
1319: $r->print(&Apache::lonhtmlcommon::end_pick_box());
1320: return;
1321: }
1322:
1323:
1324:
1325: #####################################################
1326: #####################################################
1327: ### ###
1328: ### Editable metadata display ###
1329: ### ###
1330: #####################################################
1331: #####################################################
1332: sub present_editable_metadata {
1333: my ($r,$uri,$file_type) = @_;
1334: # Authoring Space Call
1335: # Header
1336: my $disuri=$uri;
1337: my ($courseauthor,$crsaurights,$readonly);
1338: if ($env{'request.course.id'}) {
1339: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
1340: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
1341: if ($uri =~ m{^\Q/priv/$cdom/$cnum/\E}) {
1342: $courseauthor = $cnum.':'.$cdom;
1343: $crsaurights = "/res/$cdom/$cnum/default.rights";
1344: $readonly = 1;
1345: }
1346: }
1347: my $fn=&Apache::lonnet::filelocation('',$uri);
1348: $disuri=~s{^/\~}{/priv/};
1349: $disuri=~s/\.meta$//;
1350: my $meta_uri = $disuri;
1351: my $path;
1352: if ($disuri =~ m|/portfolio/|) {
1353: ($disuri, $meta_uri, $path) = &portfolio_display_uri($disuri,1);
1354: }
1355: my $target=$uri;
1356: $target=~s{^/\~}{/res/$env{'request.role.domain'}/};
1357: $target=~s/\.meta$//;
1358: my $bombs=&Apache::lonmsg::retrieve_author_res_msg($target);
1359: if ($bombs) {
1360: # Display Bombs, not Metadata
1361: $r->print(
1362: '<h2>'.&mt('Error Messages').'</h2>'
1363: .'<p>'.&mt('Folder: [_1]',
1364: '<span class="LC_filename">'.$disuri.'</span>')
1365: .'</p>'
1366: );
1367: my $showbuttons=1;
1368: my $message='';
1369: my $rc='';
1370: if ($env{'form.delmsg'}) {
1371: $rc=&Apache::lonmsg::del_url_author_res_msg($target);
1372: if ($rc eq 'ok') {
1373: $message=&Apache::lonhtmlcommon::confirm_success(
1374: &mt('Messages deleted.'));
1375: $showbuttons=0;
1376: } else {
1377: $message=&Apache::lonhtmlcommon::confirm_success(
1378: &mt('Error deleting messages'), 1)
1379: .'<br />'.&mt('Error: [_1]',$rc);
1380: }
1381: }
1382: if ($env{'form.clearmsg'}) {
1383: my $cleardir=$target;
1384: $cleardir=~s/\/[^\/]+$/\//; # Extract dir: keep path, remove filename
1385: $rc=&Apache::lonmsg::clear_author_res_msg($cleardir);
1386: if ($rc eq 'ok') {
1387: $message=&Apache::lonhtmlcommon::confirm_success(
1388: &mt('Messages cleared.'));
1389: $showbuttons=0;
1390: } else {
1391: $message=&Apache::lonhtmlcommon::confirm_success(
1392: &mt('Error clearing messages'),1)
1393: .'<br />'.&mt('Error: [_1]',$rc);
1394: }
1395: }
1396: if ($message) {
1397: $message=&Apache::loncommon::confirmwrapper($message);
1398: $r->print($message);
1399: }
1400:
1401: $r->print('<form method="post" action="" name="defaultmeta">');
1402: if ($showbuttons) {
1403: $r->print(
1404: '<input type="submit" name="delmsg" value="'.
1405: &mt('Delete Messages for this Resource').'" />'.
1406: '<input type="submit" name="clearmsg" value="'.
1407: &mt('Clear all Messages in Subdirectory').'" />'
1408: .'<br />'.$bombs
1409: );
1410: } else {
1411: my $functions=&Apache::lonhtmlcommon::start_funclist('Actions');
1412: $functions.=&Apache::lonhtmlcommon::add_item_funclist(
1413: '<a href="'.$disuri.'">'.
1414: &mt('Back to Source File').'</a>');
1415: my ($diruri) = ($disuri =~ m{(.*/)[^/]*});
1416: $functions.=&Apache::lonhtmlcommon::add_item_funclist(
1417: '<a href="'.$diruri.'">'.
1418: &mt('Back to Source Directory').'</a>');
1419: $functions .= &Apache::lonhtmlcommon::end_funclist();
1420: $r->print('<p>'.$functions.'</p>');
1421: }
1422: } else {
1423:
1424: # Display Metadata, not Bombs
1425: my $displayfile =
1426: &mt('Metadata for [_1]'
1427: ,'<span class="LC_filename">'.$disuri.'</span>');
1428: if ($disuri=~/\/default$/) {
1429: my $dir=$disuri;
1430: $dir=~s/default$//;
1431: $displayfile=&mt('Default Metadata for Directory [_1]'
1432: ,'<span class="LC_filename">'.$dir.'</span>');
1433: }
1434: %Apache::lonpublisher::metadatafields=();
1435: %Apache::lonpublisher::metadatakeys=();
1436: my $result=&Apache::lonnet::getfile($fn);
1437: if ($result == -1){
1438: my $message = &Apache::lonhtmlcommon::confirm_success(
1439: &mt('Creating new file [_1]'
1440: ,'<span class="LC_filename"'.$meta_uri.'</span>'));
1441: $message = &Apache::loncommon::confirmwrapper($message);
1442: $r->print($message);
1443: } else {
1444: &Apache::lonpublisher::metaeval($result);
1445: }
1446: if ($env{'form.new_courserestricted'}) {
1447: my $new_assoc_course = $env{'form.new_courserestricted'};
1448: my $prev_courserestricted = $Apache::lonpublisher::metadatafields{'courserestricted'};
1449: if (($prev_courserestricted) &&
1450: ($prev_courserestricted ne $new_assoc_course)) {
1451: my $transfers = [];
1452: foreach my $key (keys(%env)) {
1453: if ($key =~ /^form\.transfer_(.+)$/) {
1454: push(@{$transfers},$1);
1455: }
1456: }
1457: if (@{$transfers} > 0) {
1458: &store_transferred_addedfields($fn,$uri,$transfers);
1459: }
1460: }
1461: }
1462: $r->print(<<ENDEDIT);
1463: <h2>$displayfile</h2>
1464: <form method="post" action="" name="defaultmeta">
1465: ENDEDIT
1466: my %lt=&fieldnames($file_type);
1467: my $output;
1468: my @fields;
1469: my $added_metadata_fields;
1470: my @added_order;
1471: if ($file_type eq 'groups') {
1472: $Apache::lonpublisher::metadatafields{'courserestricted'}=
1473: 'course.'.$env{'request.course.id'};
1474: }
1475: if ((! $Apache::lonpublisher::metadatafields{'courserestricted'}) &&
1476: (! $env{'form.new_courserestricted'}) && (! $file_type eq 'groups')) {
1477: $Apache::lonpublisher::metadatafields{'courserestricted'}=
1478: 'none';
1479: } elsif ($env{'form.new_courserestricted'}) {
1480: $Apache::lonpublisher::metadatafields{'courserestricted'}=
1481: $env{'form.new_courserestricted'};
1482: }
1483: if ($file_type eq 'portfolio' || $file_type eq 'groups') {
1484: if(exists ($env{$Apache::lonpublisher::metadatafields{'courserestricted'}.'.metadata.fieldlist'})) {
1485: # retrieve fieldnames (in order) from the course restricted list
1486: @fields = (split(/,/,$env{$Apache::lonpublisher::metadatafields{'courserestricted'}.'.metadata.fieldlist'}));
1487: } else {
1488: # no saved field list, use default list
1489: @fields = ('title','author','subject','keywords','abstract',
1490: 'notes','lowestgradelevel',
1491: 'highestgradelevel','standards');
1492: if ($Apache::lonpublisher::metadatafields{'courserestricted'} =~ /^course\.($match_domain\_$match_courseid)$/) {
1493: my $assoc_crs = $1;
1494: $added_metadata_fields = &Apache::lonparmset::get_added_meta_fieldnames($assoc_crs);
1495: if ($env{'course.'.$assoc_crs.'.metadata.addedorder'}) {
1496: @added_order = split(/,/,$env{'course.'.$assoc_crs.'.metadata.addedorder'});
1497: }
1498: $env{$Apache::lonpublisher::metadatafields{'courserestricted'}.'.metadata.fieldlist'} = join(",",@fields);
1499: }
1500: }
1501: } else {
1502: @fields = ('title','author','subject','keywords','abstract','notes',
1503: 'copyright','customdistributionfile','language',
1504: 'standards',
1505: 'lowestgradelevel','highestgradelevel','sourceavail','sourcerights',
1506: 'obsolete','obsoletereplacement');
1507: }
1508: if ($courseauthor) {
1509: $Apache::lonpublisher::metadatafields{'copyright'}='custom';
1510: $Apache::lonpublisher::metadatafields{'customdistributionfile'}=$crsaurights;
1511: }
1512: my (%domdefs,$got_domdefs);
1513: if (! $Apache::lonpublisher::metadatafields{'copyright'}) {
1514: my $copyright = 'default';
1515: if ($env{'environment.copyright'} ne '') {
1516: $copyright = $env{'environment.copyright'};
1517: } else {
1518: my $defdom = $env{'request.role.domain'};
1519: if ($disuri =~ m{^/priv/($match_domain)/}) {
1520: $defdom = $1;
1521: }
1522: if ($defdom ne '') {
1523: %domdefs = &Apache::lonnet::get_domain_defaults($defdom);
1524: $got_domdefs = 1;
1525: if ($domdefs{'copyright'} ne '') {
1526: $copyright = $domdefs{'copyright'};
1527: }
1528: }
1529: }
1530: $Apache::lonpublisher::metadatafields{'copyright'}=
1531: $copyright;
1532: }
1533: if (! $Apache::lonpublisher::metadatafields{'sourceavail'}) {
1534: my $sourceavail = 'closed';
1535: if ($env{'environment.sourceavail'} ne '') {
1536: $sourceavail = $env{'environment.sourceavail'};
1537: } else {
1538: my $defdom = $env{'request.role.domain'};
1539: if ($disuri =~ m{^/priv/($match_domain)/}) {
1540: $defdom = $1;
1541: }
1542: if ($defdom ne '') {
1543: unless ($got_domdefs) {
1544: %domdefs = &Apache::lonnet::get_domain_defaults($defdom);
1545: $got_domdefs = 1;
1546: }
1547: if ($domdefs{'sourceavail'} ne '') {
1548: $sourceavail = $domdefs{'sourceavail'};
1549: }
1550: }
1551: }
1552: $Apache::lonpublisher::metadatafields{'sourceavail'}=
1553: $sourceavail;
1554: }
1555: if (($file_type eq 'portfolio') || ($file_type eq 'groups')) {
1556: if (! $Apache::lonpublisher::metadatafields{'mime'}) {
1557: ($Apache::lonpublisher::metadatafields{'mime'}) =
1558: ( $target=~/\.(\w+)$/ );
1559: }
1560: if (! $Apache::lonpublisher::metadatafields{'owner'}) {
1561: $Apache::lonpublisher::metadatafields{'owner'} =
1562: $env{'user.name'}.':'.$env{'user.domain'};
1563: }
1564: if (! $Apache::lonpublisher::metadatafields{'author'}) {
1565: $Apache::lonpublisher::metadatafields{'author'} =
1566: &Apache::loncommon::plainname($env{'user.name'},
1567: $env{'user.domain'});
1568: }
1569: if ($Apache::lonpublisher::metadatafields{'courserestricted'} ne 'none') {
1570:
1571: if ($file_type eq 'portfolio') {
1572: $r->print(
1573: &mt('Associated with course [_1]'
1574: ,'<strong>'
1575: .$env{$Apache::lonpublisher::metadatafields{'courserestricted'}
1576: .".description"}.'</strong>')
1577: .' <a href="'.$uri.'?changecourse=true">'
1578: .&mt('Change')
1579: .'</a>'.'<br />'
1580: );
1581:
1582: } else {
1583: $r->print(&mt('Associated with course [_1]',
1584: '<strong>'.
1585: $env{$Apache::lonpublisher::metadatafields{'courserestricted'}.
1586: ".description"}.'</strong>').'<br />');
1587: }
1588: } else {
1589: $r->print(
1590: &mt('This resource is not associated with a course.')
1591: .' <a href="'.$uri.'?changecourse=true">'.&mt('Change').'</a><br />'
1592: );
1593: }
1594: }
1595: if (@added_order) {
1596: foreach my $field_name (@added_order) {
1597: push(@fields,$field_name);
1598: $lt{$field_name} = $$added_metadata_fields{$field_name};
1599: }
1600: } else {
1601: foreach my $field_name (keys(%$added_metadata_fields)) {
1602: push(@fields,$field_name);
1603: $lt{$field_name} = $$added_metadata_fields{$field_name};
1604: }
1605: }
1606: $output .= &Apache::lonhtmlcommon::start_pick_box();
1607: my $last = $#fields + 1;
1608: my $rowcount = 0;
1609: foreach my $field_name (@fields) {
1610: $rowcount++;
1611: if (defined($env{'form.new_'.$field_name})) {
1612: my @values = &Apache::loncommon::get_env_multiple('form.new_'.$field_name);
1613: my $newvalue = '';
1614: foreach my $item (@values) {
1615: if ($item ne '') {
1616: $newvalue .= $item.',';
1617: }
1618: }
1619: $newvalue =~ s/,$//;
1620: $Apache::lonpublisher::metadatafields{$field_name}=$newvalue;
1621: }
1622: if ($Apache::lonpublisher::metadatafields{'courserestricted'} ne 'none'
1623: && exists($env{$Apache::lonpublisher::metadatafields{'courserestricted'}.'.metadata.'.$field_name.'.options'})) {
1624: # handle restrictions here
1625: if ((($env{$Apache::lonpublisher::metadatafields{'courserestricted'}.'.metadata.'.$field_name.'.options'} =~ m/active/) ||
1626: ($field_name eq 'courserestricted'))&&
1627: (!($env{$Apache::lonpublisher::metadatafields{'courserestricted'}.'.metadata.'.$field_name.'.options'} =~ m/deleted/))){
1628:
1629: $output .= &Apache::lonhtmlcommon::row_title($lt{$field_name})
1630: .&prettyinput($field_name,
1631: $Apache::lonpublisher::metadatafields{$field_name},
1632: $readonly,'new_'.$field_name,'defaultmeta',
1633: undef,undef,undef,undef,
1634: $Apache::lonpublisher::metadatafields{'courserestricted'});
1635: $output .= &Apache::lonhtmlcommon::row_closure($rowcount == $last?1:0);
1636: }
1637: } else {
1638: $output .= &Apache::lonhtmlcommon::row_title($lt{$field_name})
1639: .&prettyinput($field_name,
1640: $Apache::lonpublisher::metadatafields{$field_name},
1641: $readonly,'new_'.$field_name,'defaultmeta')
1642: .&Apache::lonhtmlcommon::row_closure($rowcount == $last?1:0);
1643:
1644: }
1645: }
1646: $output .= &Apache::lonhtmlcommon::end_pick_box();
1647: if ($env{'form.store'}) {
1648: my ($outcome,$result) = &store_metadata($fn,$uri,'store');
1649: $r->print($result);
1650: }
1651: my $savebutton = '<p><input type="submit" name="store"'
1652: .' value="'.&mt('Save').'" title="'.&mt('Save Metadata').'" /></p>';
1653: $r->print($savebutton.$output.$savebutton);
1654:
1655: if ($file_type eq 'portfolio' || $file_type eq 'groups') {
1656: my ($port_path,$group) = &get_port_path_and_group($uri);
1657: if ($group ne '') {
1658: $r->print('<input type="hidden" name="group" value="'.$group.'" />');
1659: }
1660: $r->print('<input type="hidden" name="currentpath" value="'.$env{'form.currentpath'}.'" />');
1661: $r->print('</form><br /><br /><form method="post" action="'.$port_path.'">');
1662: if ($group ne '') {
1663: $r->print('<input type="hidden" name="group" value="'.$group.'" />');
1664: }
1665: $r->print('<input type="hidden" name="currentpath" value="'.$path.'" />'.
1666: '<input type="submit" name="cancel" value="'.&mt('Discard Edits and Return to Portfolio').'" />');
1667: }
1668: }
1669:
1670: $r->print('</form>');
1671:
1672: return;
1673: }
1674:
1675: sub store_metadata {
1676: my ($fn,$uri,$caller) = @_;
1677: my $mfh;
1678: my $formname='store';
1679: my ($file_content,$output,$outcome);
1680: if (&Apache::loncommon::get_env_multiple('form.new_keywords')) {
1681: $Apache::lonpublisher::metadatafields{'keywords'} =
1682: join (',', &Apache::loncommon::get_env_multiple('form.new_keywords'));
1683: }
1684: if (($caller eq 'store') && ($env{'request.course.id'})) {
1685: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
1686: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
1687: if ($uri =~ m{^\Q/priv/$cdom/$cnum/\E}) {
1688: unless ($uri eq "/priv/$cdom/$cnum/default.rights.meta") {
1689: $Apache::lonpublisher::metadatafields{'copyright'} = 'custom';
1690: $Apache::lonpublisher::metadatafields{'customdistributionfile'} =
1691: "/res/$cdom/$cnum/default.rights";
1692: }
1693: }
1694: }
1695: foreach my $field (sort(keys(%Apache::lonpublisher::metadatafields))) {
1696: next if ($field =~ /\./);
1697: my $unikey=$field;
1698: $unikey=~/^([A-Za-z_]+)/;
1699: my $tag=$1;
1700: $tag=~tr/A-Z/a-z/;
1701: $file_content.= "\n\<$tag";
1702: foreach my $key (split(/\,/,$Apache::lonpublisher::metadatakeys{$unikey})) {
1703: my $value = $Apache::lonpublisher::metadatafields{$unikey.'.'.$key};
1704: $value=~s/\"/\'\'/g;
1705: $file_content.=' '.$key.'="'.$value.'"' ;
1706: }
1707: $file_content.= '>'.
1708: &HTML::Entities::encode
1709: ($Apache::lonpublisher::metadatafields{$unikey},'<>&"').
1710: '</'.$tag.'>';
1711: }
1712: if ($fn =~ m|^$Apache::lonnet::perlvar{'lonDocRoot'}/userfiles|) {
1713: my ($path, $new_fn);
1714: if ($fn =~ m|$match_name/groups/\w+/portfolio/|) {
1715: ($path, $new_fn) = ($fn =~ m|/(groups/\w+/portfolio.*)/([^/]*)$|);
1716: } else {
1717: ($path, $new_fn) = ($fn =~ m|/(portfolio.*)/([^/]*)$|);
1718: }
1719: ($outcome,my $result) =
1720: &store_portfolio_metadata($formname,$file_content,
1721: $path,$new_fn,$uri,$caller);
1722: $output .= $result;
1723: } else {
1724: if (! ($mfh=Apache::File->new('>'.$fn))) {
1725: $output .= '<p class="LC_error">';
1726: if ($caller eq 'transfer') {
1727: $output .= &mt('Could not transfer data in added fields to notes');
1728: } else {
1729: $output .= &mt('Could not write metadata');
1730: }
1731: $output .= ', '.&mt('FAIL').'</p>';
1732: $outcome = 'fail';
1733: } else {
1734: print $mfh ($file_content);
1735: close($mfh);
1736: &update_metadata_table($uri);
1737: my $confirmtext;
1738: if ($caller eq 'transfer') {
1739: $confirmtext = &mt('Transferred data in added fields to notes');
1740: } else {
1741: $confirmtext = &mt('Wrote Metadata');
1742: }
1743: $output .= &Apache::loncommon::confirmwrapper(
1744: &Apache::lonhtmlcommon::confirm_success(
1745: $confirmtext.' '.&Apache::lonlocal::locallocaltime(time)));
1746: $outcome = 'ok';
1747: }
1748: }
1749: return ($outcome,$output);
1750: }
1751:
1752: sub store_transferred_addedfields {
1753: my ($fn,$uri,$transfers) = @_;
1754: foreach my $item (@{$transfers}) {
1755: $Apache::lonpublisher::metadatafields{'notes'} .=
1756: ' '.$item.' = '.$Apache::lonpublisher::metadatafields{$item};
1757: }
1758: my ($outcome,$output) = &store_metadata($fn,$uri,'transfer');
1759: if ($outcome eq 'ok') {
1760: foreach my $item (@{$transfers}) {
1761: delete($Apache::lonpublisher::metadatafields{$item});
1762: }
1763: }
1764: }
1765:
1766: sub store_portfolio_metadata {
1767: my ($formname,$content,$path,$new_fn,$uri,$caller) = @_;
1768: my ($outcome,$output);
1769: $env{'form.'.$formname}=$content."\n";
1770: $env{'form.'.$formname.'.filename'}=$new_fn;
1771: my $result =&Apache::lonnet::userfileupload($formname,'',$path);
1772: if ($result =~ /(error|notfound)/) {
1773: $output = '<p class="LC_error">';
1774: if ($caller eq 'transfer') {
1775: $output .=
1776: &mt('Could not transfer data in added fields to notes');
1777: } else {
1778: $output .= &mt('Could not write metadata');
1779: }
1780: $output .= ', '.&mt('FAIL').'</p>';
1781: $outcome = 'fail';
1782: } else {
1783: &update_metadata_table($uri);
1784: $output = '<p class="LC_success">';
1785: if ($caller eq 'transfer') {
1786: $output .= &mt('Transferred data in added fields to notes');
1787: } else {
1788: $output .= &mt('Wrote Metadata');
1789: }
1790: $output .= ' '.&Apache::lonlocal::locallocaltime(time).
1791: '</p>';
1792: $outcome = 'ok';
1793: }
1794: return ($outcome,$output);
1795: }
1796:
1797: sub update_metadata_table {
1798: my ($uri) = @_;
1799: my ($type,$udom,$uname,$file_name,$group) =
1800: &Apache::lonnet::parse_portfolio_url($uri);
1801: $file_name =~ s/\.meta$//;
1802: my $current_permissions =
1803: &Apache::lonnet::get_portfile_permissions($udom,$uname);
1804: my %access_controls =
1805: &Apache::lonnet::get_access_controls($current_permissions,$group,
1806: $file_name);
1807: my $access_hash = $access_controls{$file_name};
1808: my $available = 0;
1809: if (ref($access_hash) eq 'HASH') {
1810: foreach my $key (keys(%{$access_hash})) {
1811: my ($num,$scope,$end,$start) =
1812: ($key =~ /^([^:]+):([a-z]+)_(\d*)_?(\d*)$/);
1813: if ($scope eq 'public' || $scope eq 'guest') {
1814: $available = 1;
1815: last;
1816: }
1817: }
1818: }
1819: if ($available) {
1820: my $result =
1821: &Apache::lonnet::update_portfolio_table($uname,$udom,
1822: $file_name,'portfolio_metadata',$group,'update');
1823: }
1824: }
1825:
1826:
1827: 1;
1828: __END__
1829:
1830:
1831: =head1 NAME
1832:
1833: Apache::lonmeta - display meta data
1834:
1835: =head1 SYNOPSIS
1836:
1837: Handler to display meta data
1838:
1839: This is part of the LearningOnline Network with CAPA project
1840: described at http://www.lon-capa.org.
1841:
1842: =head1 SUBROUTINES
1843:
1844: =over
1845:
1846: =item &get_dynamic_metadata_from_sql($url) :
1847:
1848: Queries sql database for dynamic metdata
1849: Returns a hash of hashes, with keys of urls which match $url
1850: Returned fields are given below.
1851:
1852: Examples:
1853:
1854: %DynamicMetadata = &Apache::lonmeta::get_dynmaic_metadata_from_sql
1855: ('/res/msu/korte/');
1856:
1857: $DynamicMetadata{'/res/msu/korte/example.problem'}->{$field}
1858:
1859: =item dynamicmeta()
1860:
1861: Fetch and evaluate dynamic metadata
1862:
1863: =item access_count()
1864:
1865: =item alttag()
1866:
1867: Try to make an alt tag if there is none
1868:
1869: =item authordisplay()
1870:
1871: Author display
1872:
1873: =item evalgraph()
1874:
1875: Pretty display
1876:
1877: =item diffgraph()
1878:
1879: =item fieldnames()
1880:
1881: =item portfolio_linked_path()
1882:
1883: =item get_port_path_and_group()
1884:
1885: =item portfolio_display_uri()
1886:
1887: =item pre_select_course()
1888:
1889: =item select_course()
1890:
1891: =item prettyprint()
1892:
1893: Pretty printing of metadata field
1894:
1895: =item direct()
1896:
1897: Pretty input of metadata field
1898:
1899: =item selectbox()
1900:
1901: =item relatedfield()
1902:
1903: =item prettyinput()
1904:
1905: =item report_bombs()
1906:
1907: =item present_uneditable_metadata()
1908:
1909: =item present_editable_metadata()
1910:
1911: =item store_metadata()
1912:
1913: =item store_transferred_addedfields()
1914:
1915: =item store_portfolio_metadata()
1916:
1917: =item update_metadata_table()
1918:
1919: =back
1920:
1921: =cut
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