1: # The LearningOnline Network with CAPA
2: # Metadata display handler
3: #
4: # $Id: lonmeta.pm,v 1.258 2025/03/18 18:57:28 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,$id,$functionref,@idlist)=@_;
554: if (! defined($functionref)) {
555: $functionref=\&direct;
556: }
557: my $disabled;
558: if ($readonly) {
559: $disabled = ' disabled="disabled"';
560: }
561: if ($id ne '') {
562: $id = ' id="'.$id.'"';
563: }
564: my $selout='<select name="'.$name.'"'.$id.'>';
565: foreach my $id (@idlist) {
566: $selout.='<option value="'.$id.'"'.$disabled;
567: if ($id eq $value) {
568: $selout.=' selected="selected">'.&{$functionref}($id).'</option>';
569: } else {
570: $selout.='>'.&{$functionref}($id).'</option>';
571: }
572: }
573: return $selout.'</select>';
574: }
575:
576: sub relatedfield {
577: my ($show,$relatedsearchflag,$relatedsep,$fieldname,$relatedvalue)=@_;
578: if (! $relatedsearchflag) {
579: return '';
580: }
581: if (! defined($relatedsep)) {
582: $relatedsep=' ';
583: }
584: if (! $show) {
585: return $relatedsep.' ';
586: }
587: return $relatedsep.'<input type="checkbox" name="'.$fieldname.'_related"'.
588: ($relatedvalue?' checked="checked"':'').' id="'.$fieldname.'_related" />';
589: }
590:
591: sub prettyinput {
592: my ($type,$value,$readonly,$fieldname,$formname,
593: $relatedsearchflag,$relatedsep,$relatedvalue,$size,$course_key)=@_;
594: if (! defined($size)) {
595: $size = 80;
596: }
597: my $output;
598: if (defined($course_key)
599: && exists($env{$course_key.'.metadata.'.$type.'.options'})) {
600: my $stu_add;
601: my $only_one;
602: my %meta_options;
603: my @cur_values_inst;
604: my $cur_values_stu;
605: my $values = $env{$course_key.'.metadata.'.$type.'.values'};
606: if ($env{$course_key.'.metadata.'.$type.'.options'} =~ m/stuadd/) {
607: $stu_add = 'true';
608: }
609: if ($env{$course_key.'.metadata.'.$type.'.options'} =~ m/onlyone/) {
610: $only_one = 'true';
611: }
612: # need to take instructor values out of list where instructor and student
613: # values may be mixed.
614: if ($values) {
615: foreach my $item (split(/,/,$values)) {
616: $item =~ s/^\s+//;
617: $meta_options{$item} = $item;
618: }
619: foreach my $item (split(/,/,$value)) {
620: $item =~ s/^\s+//;
621: if ($meta_options{$item}) {
622: push(@cur_values_inst,$item);
623: } else {
624: if ($item ne '') {
625: $cur_values_stu .= $item.',';
626: }
627: }
628: }
629: $cur_values_stu =~ s/,$//;
630: my @key_order = sort(keys(%meta_options));
631: unshift(@key_order,'');
632: $meta_options{''} = 'Not specified';
633: $meta_options{'select_form_order'} = \@key_order;
634: } else {
635: $cur_values_stu = $value;
636: }
637: if ($type eq 'courserestricted') {
638: return (&select_course());
639: # return ('<input type="hidden" name="new_courserestricted" value="'.$course_key.'" />');
640: }
641: if (($type eq 'keywords') || ($type eq 'subject')
642: || ($type eq 'author')||($type eq 'notes')
643: || ($type eq 'abstract')|| ($type eq 'title')|| ($type eq 'standards')
644: || (exists($env{$course_key.'.metadata.'.$type.'.added'}))) {
645:
646: if ($values) {
647: if ($only_one) {
648: $output .= (&Apache::loncommon::select_form($cur_values_inst[0],'new_'.$type,\%meta_options));
649: } else {
650: $output .= (&Apache::loncommon::multiple_select_form('new_'.$type,\@cur_values_inst,undef,\%meta_options));
651: }
652: }
653: if ($stu_add) {
654: $output .= '<input type="text" name="'.$fieldname.'" size="'.$size.'" '.
655: 'value="'.$cur_values_stu.'" />'.
656: &relatedfield(1,$relatedsearchflag,$relatedsep,$fieldname,
657: $relatedvalue);
658: }
659: return ($output);
660: }
661: if (($type eq 'lowestgradelevel') ||
662: ($type eq 'highestgradelevel')) {
663: return &Apache::loncommon::select_level_form($value,$fieldname,$fieldname).
664: &relatedfield(0,$relatedsearchflag,$relatedsep);
665: }
666: return();
667: }
668: # Language
669: if ($type eq 'language') {
670: return &selectbox($fieldname,
671: $value,'',$fieldname,
672: \&Apache::loncommon::languagedescription,
673: (&Apache::loncommon::languageids)).
674: &relatedfield(0,$relatedsearchflag,$relatedsep);
675: }
676: # Copyright
677: if ($type eq 'copyright') {
678: return &selectbox($fieldname,
679: $value,$readonly,$fieldname,
680: \&Apache::loncommon::copyrightdescription,
681: (&Apache::loncommon::copyrightids)).
682: &relatedfield(0,$relatedsearchflag,$relatedsep);
683: }
684: # Source Copyright
685: if ($type eq 'sourceavail') {
686: return &selectbox($fieldname,
687: $value,'',$fieldname,
688: \&Apache::loncommon::source_copyrightdescription,
689: (&Apache::loncommon::source_copyrightids)).
690: &relatedfield(0,$relatedsearchflag,$relatedsep);
691: }
692: # Gradelevels
693: if (($type eq 'lowestgradelevel') ||
694: ($type eq 'highestgradelevel')) {
695: return &Apache::loncommon::select_level_form($value,$fieldname,$fieldname).
696: &relatedfield(0,$relatedsearchflag,$relatedsep);
697: }
698: # Obsolete
699: if ($type eq 'obsolete') {
700: return '<input type="checkbox" name="'.$fieldname.'"'.
701: ($value?' checked="checked"':'').' id="'.$fieldname.'" />'.
702: &relatedfield(0,$relatedsearchflag,$relatedsep);
703: }
704: # Obsolete replacement file
705: if ($type eq 'obsoletereplacement') {
706: return '<input type="text" name="'.$fieldname.
707: '" size="60" value="'.$value.'" id="'.$fieldname.'" /><a href="javascript:openbrowser'.
708: "('".$formname."','".$fieldname."'".
709: ",'')\">".&mt('Select').'</a>'.
710: &relatedfield(0,$relatedsearchflag,$relatedsep);
711: }
712: # Customdistribution file
713: if ($type eq 'customdistributionfile') {
714: my $disabled;
715: if ($readonly) {
716: $disabled = ' disabled="disabled"';
717: }
718: my $output;
719: $output = '<input type="text" name="'.$fieldname.
720: '" size="60" value="'.$value.'"'.$disabled.' id="'.$fieldname.'" />';
721: unless ($readonly) {
722: $output .= '<a href="javascript:openbrowser'.
723: "('".$formname."','".$fieldname."'".
724: ",'rights')\">".&mt('Select').'</a>';
725: }
726: $output .= &relatedfield(0,$relatedsearchflag,$relatedsep);
727: return $output;
728: }
729: # Source Customdistribution file
730: if ($type eq 'sourcerights') {
731: return '<input type="text" name="'.$fieldname.
732: '" size="60" value="'.$value.'" id="'.$fieldname.'" /><a href="javascript:openbrowser'.
733: "('".$formname."','".$fieldname."'".
734: ",'rights')\">".&mt('Select').'</a>'.
735: &relatedfield(0,$relatedsearchflag,$relatedsep);
736: }
737: if ($type eq 'courserestricted') {
738: return (&select_course());
739: #return ('<input type="hidden" name="new_courserestricted" value="'.$course_key.'" />');
740: }
741:
742: # Dates
743: if (($type eq 'creationdate') ||
744: ($type eq 'lastrevisiondate')) {
745: return
746: &Apache::lonhtmlcommon::date_setter($formname,$fieldname,$value).
747: &relatedfield(0,$relatedsearchflag,$relatedsep);
748: }
749: # No pretty input found
750: $value=~s/^\s+//gs;
751: $value=~s/\s+$//gs;
752: $value=~s/\s+/ /gs;
753: $value=~s/\"/\"\;/gs;
754: return
755: '<input type="text" name="'.$fieldname.'" size="'.$size.'" '.
756: 'value="'.$value.'" id="'.$fieldname.'" />'.
757: &relatedfield(1,$relatedsearchflag,$relatedsep,$fieldname,
758: $relatedvalue);
759: }
760:
761: # Create pageheader
762: sub pageheader {
763: my $output = '';
764: # No CSTR? Include breadcrumbs
765: if ($env{'request.state'} ne 'construct') {
766: # loncommon::bodytag already includes breadcrumbs for CSTR
767: # by calling lonmenu::innerregister
768: $output = &Apache::lonhtmlcommon::breadcrumbs();
769: }
770: # CSTR? Include CSTR header
771: if ($env{'request.state'} eq 'construct') {
772: $output .= &Apache::loncommon::head_subbox(
773: &Apache::loncommon::CSTR_pageheader());
774: }
775: return $output;
776: }
777:
778: # Main Handler
779: sub handler {
780: my $r=shift;
781: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
782: ['currentpath','changecourse','modal']);
783: my $uri=$r->uri;
784: #
785: # Set document type
786: &Apache::loncommon::content_type($r,'text/html');
787: $r->send_http_header;
788: return OK if $r->header_only;
789: my ($resdomain,$resuser)=
790: (&Apache::lonnet::declutter($uri)=~/^($match_domain)\/($match_username)\//);
791:
792: # Breadcrumbs
793: &Apache::lonhtmlcommon::clear_breadcrumbs();
794:
795: if ($env{'request.state'} eq 'construct') {
796: my $text = 'Authoring Space';
797: my $href = &Apache::loncommon::authorspace($uri);
798: if ($env{'request.course.id'}) {
799: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
800: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
801: if ($href eq "/priv/$cdom/$cnum/") {
802: $text = 'Course Authoring Space';
803: }
804: }
805: &Apache::lonhtmlcommon::add_breadcrumb({
806: 'text' => $text,
807: 'href' => $href,
808: });
809: }
810:
811: if ($uri=~m:/adm/bombs/(.*)$:) {
812: &Apache::lonhtmlcommon::add_breadcrumb({
813: 'text' => 'Error Messages',
814: 'href' => '',
815: });
816: $r->print(&Apache::loncommon::start_page('Error Messages'));
817: $r->print(&pageheader());
818: # Looking for all bombs?
819: &report_bombs($r,$uri);
820: } elsif ($uri=~m|^/editupload/[^/]+/[^/]+/portfolio/|) {
821: &Apache::lonhtmlcommon::add_breadcrumb({
822: 'text' => 'Edit Portfolio File Metadata',
823: 'href' => '',
824: });
825: ($resdomain,$resuser)=
826: (&Apache::lonnet::declutter($uri)=~m|^($match_domain)/($match_name)/portfolio|);
827: $r->print(&Apache::loncommon::start_page('Edit Portfolio File Metadata',
828: undef,
829: {'domain' => $resdomain,}));
830: $r->print(&pageheader());
831: if ($env{'form.store'}) {
832: &present_editable_metadata($r,$uri,'portfolio');
833: } else {
834: my $fn=&Apache::lonnet::filelocation('',$uri);
835: %Apache::lonpublisher::metadatafields=();
836: %Apache::lonpublisher::metadatakeys=();
837: my $result=&Apache::lonnet::getfile($fn);
838: &Apache::lonpublisher::metaeval($result);
839: if ((!$Apache::lonpublisher::metadatafields{'courserestricted'}) ||
840: ($env{'form.changecourse'} eq 'true')) {
841: &pre_select_course($r,$uri);
842: } else {
843: &present_editable_metadata($r,$uri,'portfolio');
844: }
845: }
846: } elsif ($uri=~m|^/editupload/[^/]+/[^/]+/groups/|) {
847: &Apache::lonhtmlcommon::add_breadcrumb({
848: 'text' => 'Edit Group Portfolio File Metadata',
849: 'href' => '',
850: });
851: $r->print(&Apache::loncommon::start_page('Edit Group Portfolio File Metadata',
852: undef,
853: {'domain' => $resdomain,}));
854: $r->print(&pageheader());
855: &present_editable_metadata($r,$uri,'groups');
856: } elsif ($uri=~m|^/priv|) {
857: # Authoring space
858: &Apache::lonhtmlcommon::add_breadcrumb({
859: 'text' => 'Edit Metadata',
860: 'href' => '',
861: });
862: $r->print(&Apache::loncommon::start_page('Edit Metadata',
863: "\n".'<script type="text/javascript">'."\n".
864: &Apache::loncommon::browser_and_searcher_javascript().
865: "\n".'</script>',
866: {'domain' => $resdomain,}));
867: $r->print(&pageheader());
868: &present_editable_metadata($r,$uri);
869: } else {
870: &Apache::lonhtmlcommon::add_breadcrumb({
871: 'text' => 'Metadata',
872: 'href' => '',
873: });
874: $r->print(
875: &Apache::loncommon::start_page(
876: 'Metadata',
877: undef,
878: {'domain' => $resdomain,
879: 'only_body' => 1,})
880: .'<h1>'.&mt('Metadata').'</h1>'
881: );
882: if ($env{'form.modal'}) {
883: my $width = 500;
884: my $height = 400;
885: my $machine = &Apache::lonnet::absolute_url();
886: $r->print(&Apache::loncommon::nicescroll_javascript('metadatawrapper',
887: {cursorcolor => '#00F',
888: railalign => 'right',
889: railoffset => '{top:5,left:40}'},
890: undef,1,$machine.$uri));
891: $r->print('<div id="metadatawrapper" style="height:'.$height.'px; width:'.$width.'px; overflow: auto;">');
892: }
893: &present_uneditable_metadata($r,$uri);
894: if ($env{'form.modal'}) {
895: $r->print('</div>');
896: }
897: }
898: $r->print(&Apache::loncommon::end_page());
899: return OK;
900: }
901:
902: #####################################################
903: #####################################################
904: ### ###
905: ### Report Bombs ###
906: ### ###
907: #####################################################
908: #####################################################
909: sub report_bombs {
910: my ($r,$uri) = @_;
911: # Set document type
912: $uri =~ s:/adm/bombs/::;
913: $uri = &Apache::lonnet::declutter($uri);
914: $r->print(
915: '<p>'.&mt('Folder: [_1]',
916: '<span class="LC_filename">'.&Apache::lonnet::clutter($uri).'</span>')
917: .'</p>'
918: );
919: my ($domain,$author)=($uri=~/^($match_domain)\/($match_username)\//);
920: if (!&Apache::lonnet::constructaccess('/priv/'.$domain.'/'.$author.'/')) {
921: $r->print('<p class="LC_error">'.&mt('Not authorized').'</p>');
922: return;
923: }
924:
925: my $showbuttons=1;
926: my $message='';
927: if ($env{'form.clearbombs'}) {
928: my $rc=&Apache::lonmsg::clear_author_res_msg($uri);
929: if ($rc eq 'ok') {
930: $message=&Apache::lonhtmlcommon::confirm_success(
931: &mt('Messages cleared.'));
932: $showbuttons=0;
933: } else {
934: $message=&Apache::lonhtmlcommon::confirm_success(
935: &mt('Error clearing messages'),1)
936: .'<br />'.&mt('Error: [_1]',$rc);
937: }
938: }
939:
940: if ($message) {
941: $message=&Apache::loncommon::confirmwrapper($message);
942: $r->print($message);
943: }
944:
945: my $cancelurl=$uri;
946: $cancelurl=~s/^\Q$domain\E/\/priv\/$domain/;
947:
948: if ($showbuttons) {
949: $r->print(
950: '<form method="post" action="">'.
951: '<input type="submit" name="clearbombs" value="'.
952: &mt('Clear all Messages in Subdirectory').'" />'.
953: ' <a href="'.$cancelurl.'">'.
954: &mt('Back to Source Directory').'</a>'.
955: '</form><hr />'
956: );
957: # Display all bombs of subdirectory
958: my %brokenurls =
959: &Apache::lonmsg::all_url_author_res_msg($author,$domain);
960: foreach my $key (sort(keys(%brokenurls))) {
961: if ($key=~/^\Q$uri\E/) {
962: $r->print
963: ('<a href="'.&Apache::lonnet::clutter($key).'">'.$key.'</a>'.
964: &Apache::lonmsg::retrieve_author_res_msg($key).
965: '<hr />');
966: }
967: }
968: } else {
969: my $functions=&Apache::lonhtmlcommon::start_funclist('Actions');
970: $functions.=&Apache::lonhtmlcommon::add_item_funclist(
971: '<a href="'.$cancelurl.'">'.
972: &mt('Back to Source Directory').'</a>');
973: $functions .= &Apache::lonhtmlcommon::end_funclist();
974: $r->print('<p>'.$functions.'</p>');
975: }
976: return;
977: }
978:
979: #####################################################
980: #####################################################
981: ### ###
982: ### Uneditable Metadata Display ###
983: ### ###
984: #####################################################
985: #####################################################
986: sub present_uneditable_metadata {
987: my ($r,$uri) = @_;
988: #
989: my $uploaded = ($uri =~ m|/uploaded/|);
990: my %content=();
991: # Read file
992: foreach my $key (split(/\,/,&Apache::lonnet::metadata($uri,'keys'))) {
993: $content{$key}=&Apache::lonnet::metadata($uri,$key);
994: }
995: # Render Output
996: # displayed url
997: my ($thisversion)=($uri=~/\.(\d+)\.(\w+)\.meta$/);
998: $uri=~s/\.meta$//;
999: my $disuri=&Apache::lonnet::clutter_with_no_wrapper($uri);
1000: # version
1001: my $versiondisplay='';
1002: if (!$uploaded) {
1003: my $currentversion=&Apache::lonnet::getversion($disuri);
1004: if ($thisversion) {
1005: $versiondisplay=&mt('Version').': '.$thisversion.
1006: ' ('.&mt('most recent version').': '.
1007: ($currentversion>0 ?
1008: $currentversion :
1009: &mt('information not available')).')';
1010: } else {
1011: $versiondisplay=&mt('Version: [_1]',$currentversion);
1012: }
1013: }
1014: # crumbify displayed URL uri target prefix form
1015: $disuri=&Apache::lonhtmlcommon::crumbs($disuri,undef, undef, undef);
1016: # obsolete
1017: my $obsolete=$content{'obsolete'};
1018: my $obsoletewarning='';
1019: if (($obsolete) && ($env{'user.adv'})) {
1020: $obsoletewarning='<p><span class="LC_warning">'.
1021: &mt('This resource has been marked obsolete by the author(s)').
1022: '</span></p>';
1023: }
1024: #
1025: my %lt=&fieldnames();
1026: my $table='';
1027: my $title = $content{'title'};
1028: if (! defined($title)) {
1029: $title = &mt('Untitled Resource');
1030: }
1031: my @fields;
1032: if ($uploaded) {
1033: @fields = ('title','author','subject','keywords','notes','abstract',
1034: 'lowestgradelevel','highestgradelevel','standards','mime',
1035: 'owner');
1036: } else {
1037: @fields = ('title',
1038: 'author',
1039: 'subject',
1040: 'keywords',
1041: 'notes',
1042: 'abstract',
1043: 'lowestgradelevel',
1044: 'highestgradelevel',
1045: 'standards',
1046: 'mime',
1047: 'language',
1048: 'creationdate',
1049: 'lastrevisiondate',
1050: 'owner',
1051: 'copyright',
1052: 'customdistributionfile',
1053: 'sourceavail',
1054: 'sourcerights',
1055: 'obsolete',
1056: 'obsoletereplacement');
1057: }
1058: my $rownum = 0;
1059: foreach my $field (@fields) {
1060: my $lastrow = '';
1061: $rownum ++;
1062: $lastrow = 1 if ($rownum == @fields);
1063: $table.=&Apache::lonhtmlcommon::row_title($lt{$field})
1064: .&prettyprint($field,$content{$field})
1065: .&Apache::lonhtmlcommon::row_closure($lastrow);
1066: delete($content{$field});
1067: }
1068: #
1069: $r->print("<h2>$title</h2>"
1070: .'<p>'
1071: .$disuri.'<br />'
1072: .$obsoletewarning
1073: .$versiondisplay
1074: .'</p>'
1075: .&Apache::lonhtmlcommon::start_pick_box()
1076: .$table
1077: .&Apache::lonhtmlcommon::end_pick_box()
1078: );
1079: if (!$uploaded && $env{'user.adv'}) {
1080: &print_dynamic_metadata($r,$uri,\%content);
1081: }
1082: return;
1083: }
1084:
1085: sub print_dynamic_metadata {
1086: my ($r,$uri,$content) = @_;
1087: #
1088: my %content = %$content;
1089: my %lt=&fieldnames();
1090: #
1091: my $description = 'Dynamic Metadata (updated periodically)';
1092: $r->print('<h3>'.&mt($description).'</h3>'.
1093: &mt('Processing'));
1094: $r->rflush();
1095: my %items=&fieldnames();
1096: my %dynmeta=&dynamicmeta($uri);
1097: #
1098: # General Access and Usage Statistics
1099: $r->print('<h4>'.&mt('Access and Usage Statistics').'</h4>');
1100: if (exists($dynmeta{'count'}) ||
1101: exists($dynmeta{'sequsage'}) ||
1102: exists($dynmeta{'comefrom'}) ||
1103: exists($dynmeta{'goto'}) ||
1104: exists($dynmeta{'course'})) {
1105: $r->print(&Apache::lonhtmlcommon::start_pick_box());
1106: my @counts = ('count','sequsage','sequsage_list',
1107: 'comefrom','comefrom_list','goto',
1108: 'goto_list','course','course_list');
1109: my $rownum = 0;
1110: foreach my $item (@counts) {
1111: my $lastrow = '';
1112: $rownum ++;
1113: $lastrow = 1 if ($rownum == @counts);
1114: $r->print(&Apache::lonhtmlcommon::row_title($lt{$item})
1115: .&prettyprint($item,$dynmeta{$item})
1116: .&Apache::lonhtmlcommon::row_closure($lastrow)
1117: );
1118: }
1119: $r->print(&Apache::lonhtmlcommon::end_pick_box());
1120: } else {
1121: $r->print('<p>'
1122: .&mt('No Access or Usages Statistics are available for this resource.')
1123: .'</p>'
1124: );
1125: }
1126: #
1127: # Assessment statistics
1128: if ($uri=~/$LONCAPA::assess_re/) {
1129: if (exists($dynmeta{'stdno'}) ||
1130: exists($dynmeta{'avetries'}) ||
1131: exists($dynmeta{'difficulty'}) ||
1132: exists($dynmeta{'disc'})) {
1133: # This is an assessment, print assessment data
1134: $r->print('<h4>'.
1135: &mt('Overall Assessment Statistical Data').
1136: '</h4>'.
1137: &Apache::lonhtmlcommon::start_pick_box());
1138: $r->print(&Apache::lonhtmlcommon::row_title($lt{'stdno'})
1139: .&prettyprint('stdno',$dynmeta{'stdno'})
1140: .&Apache::lonhtmlcommon::row_closure()
1141: );
1142: my @stats = ('avetries','difficulty','disc');
1143: my $rownum = 0;
1144: foreach my $item (@stats) {
1145: my $lastrow = '';
1146: $rownum ++;
1147: $lastrow = 1 if ($rownum == @stats);
1148: $r->print(&Apache::lonhtmlcommon::row_title($lt{$item})
1149: .&prettyprint($item,sprintf('%5.2f',$dynmeta{$item}))
1150: .&Apache::lonhtmlcommon::row_closure($lastrow)
1151: );
1152: }
1153: $r->print(&Apache::lonhtmlcommon::end_pick_box());
1154: }
1155: #
1156: # New assessment statistics
1157: $r->print('<h4>'
1158: .&mt('Recent Detailed Assessment Statistical Data')
1159: .'</h4>'
1160: );
1161: if (exists($dynmeta{'stats'})) {
1162: my $table=&Apache::loncommon::start_data_table()
1163: .&Apache::loncommon::start_data_table_header_row()
1164: .'<th>'.&mt('Domain').'</th>'
1165: .'<th>'.&mt('Course').'</th>'
1166: .'<th>'.&mt('Section(s)').'</th>'
1167: .'<th>'.&mt('Num Students').'</th>'
1168: .'<th>'.&mt('Part').'</th>'
1169: .'<th>'.&mt('Mean Tries').'</th>'
1170: .'<th>'.&mt('Degree of Difficulty').'</th>'
1171: .'<th>'.&mt('Degree of Discrimination').'</th>'
1172: .'<th>'.&mt('Time of computation').'</th>'
1173: .&Apache::loncommon::end_data_table_header_row().$/;
1174: foreach my $identifier (sort(keys(%{$dynmeta{'stats'}}))) {
1175: my $data = $dynmeta{'stats'}->{$identifier};
1176: my $course = $data->{'course'};
1177: my %courseinfo =
1178: &Apache::lonnet::coursedescription($course,
1179: {'one_time' => 1});
1180: if (! exists($courseinfo{'num'}) || $courseinfo{'num'} eq '') {
1181: &Apache::lonnet::logthis('lookup for '.$course.' failed');
1182: next;
1183: }
1184: $table .= &Apache::loncommon::start_data_table_row();
1185: $table .=
1186: '<td><span class="LC_nobreak">'.$courseinfo{'domain'}.'</span></td>';
1187: $table .=
1188: '<td><span class="LC_nobreak">'.$courseinfo{'description'}.'</span></td>';
1189: $table .=
1190: '<td align="right">'.$data->{'sections'}.'</td>';
1191: $table .=
1192: '<td align="right">'.$data->{'stdno'}.'</td>';
1193: $table .=
1194: '<td align="right">'.$data->{'part'}.'</td>';
1195: foreach my $item ('avetries','difficulty','disc') {
1196: $table .= '<td align="right">';
1197: if (exists($data->{$item})) {
1198: $table .= sprintf('%.2f',$data->{$item}).' ';
1199: } else {
1200: $table .= '';
1201: }
1202: $table .= '</td>';
1203: }
1204: $table .=
1205: '<td><span class="LC_nobreak">'.
1206: &Apache::lonlocal::locallocaltime($data->{'timestamp'}).
1207: '</span></td>';
1208: $table .= &Apache::loncommon::end_data_table_row().$/;
1209: }
1210: $table .= &Apache::loncommon::end_data_table().$/;
1211: $r->print($table);
1212: } else {
1213: $r->print('<p>'
1214: .&mt('No new dynamic data found.')
1215: .'</p>'
1216: );
1217: }
1218: } else {
1219: $r->print('<h4>'.
1220: &mt('No Assessment Statistical Data is available for this resource').
1221: '</h4>');
1222: }
1223: #
1224: # Evaluation Data
1225: $r->print('<h4>'.&mt('Evaluation Data').'</h4>');
1226: if (exists($dynmeta{'clear'}) ||
1227: exists($dynmeta{'depth'}) ||
1228: exists($dynmeta{'helpful'}) ||
1229: exists($dynmeta{'correct'}) ||
1230: exists($dynmeta{'technical'})){
1231: $r->print(&Apache::lonhtmlcommon::start_pick_box());
1232: my @criteria = ('clear','depth','helpful','correct','technical');
1233: my $rownum = 0;
1234: foreach my $item (@criteria) {
1235: my $lastrow = '';
1236: $rownum ++;
1237: $lastrow = 1 if ($rownum == @criteria);
1238: $r->print(&Apache::lonhtmlcommon::row_title($lt{$item})
1239: .&prettyprint($item,$dynmeta{$item})
1240: .&Apache::lonhtmlcommon::row_closure($lastrow)
1241: );
1242: }
1243: $r->print(&Apache::lonhtmlcommon::end_pick_box());
1244: } else {
1245: $r->print('<p>'
1246: .&mt('No Evaluation Data is available for this resource.')
1247: .'</p>'
1248: );
1249: }
1250: # Evaluation Comments
1251: $uri=~/^\/res\/($match_domain)\/($match_username)\//;
1252: if ((($env{'user.domain'} eq $1) && ($env{'user.name'} eq $2))
1253: || ($env{'user.role.ca./'.$1.'/'.$2})) {
1254: $r->print('<h4>'.&mt('Evaluation Comments').'</h4>'
1255: .'<div>('
1256: .&mt('visible to author and co-authors only')
1257: .')</div>'
1258: );
1259: if (exists($dynmeta{'comments'})) {
1260: $r->print('<blockquote>'.$dynmeta{'comments'}.'</blockquote>');
1261: } else {
1262: $r->print('<p>'
1263: .&mt('There are no Evaluation Comments on this resource.')
1264: .'</p>'
1265: );
1266: }
1267: my $bombs = &Apache::lonmsg::retrieve_author_res_msg($uri);
1268: if (defined($bombs) && $bombs ne '') {
1269: $r->print('<a name="bombs" />'
1270: .'<h4 class="LC_warning">'.&mt('Error Messages').'</h4>'
1271: .'<div>('
1272: .&mt('visible to author and co-authors only')
1273: .')</div>'
1274: .$bombs
1275: );
1276: } #else {
1277: # $r->print('<h4>'.&mt('There are currently no Error Messages for this resource.').'</h4>');
1278: #}
1279: }
1280: #
1281: # All other stuff
1282: $r->print('<h3>'.
1283: &mt('Additional Metadata (non-standard, parameters, exports)').
1284: '</h3>');
1285: $r->print(&Apache::lonhtmlcommon::start_pick_box());
1286: my @names;
1287: foreach my $key (sort(keys(%content))) {
1288: if ($key!~/\.display$/) {
1289: push(@names,$key);
1290: }
1291: }
1292: if (@names > 0) {
1293: my $rownum = 0;
1294: foreach my $name (@names) {
1295: my $lastrow = '';
1296: $rownum ++;
1297: $lastrow = 1 if ($rownum == @names);
1298:
1299: my $display=&Apache::lonnet::metadata($uri,
1300: $name.'.display');
1301: if (! $display) {
1302: $display=$name;
1303: };
1304: my $otherinfo='';
1305: foreach my $item ('name','part','type','default') {
1306: if (defined(&Apache::lonnet::metadata($uri,
1307: $name.'.'.$item))) {
1308: $otherinfo.=' '.$item.'='.
1309: &Apache::lonnet::metadata($uri,
1310: $name.'.'.$item).'; ';
1311: }
1312: }
1313: $r->print(&Apache::lonhtmlcommon::row_title($display)
1314: .$content{$name}
1315: );
1316: if ($otherinfo) {
1317: $r->print(' ('.$otherinfo.')');
1318: }
1319: $r->print(&Apache::lonhtmlcommon::row_closure($lastrow));
1320: }
1321: }
1322: $r->print(&Apache::lonhtmlcommon::end_pick_box());
1323: return;
1324: }
1325:
1326:
1327:
1328: #####################################################
1329: #####################################################
1330: ### ###
1331: ### Editable metadata display ###
1332: ### ###
1333: #####################################################
1334: #####################################################
1335: sub present_editable_metadata {
1336: my ($r,$uri,$file_type) = @_;
1337: # Authoring Space Call
1338: # Header
1339: my $disuri=$uri;
1340: my ($courseauthor,$crsaurights,$readonly);
1341: if ($env{'request.course.id'}) {
1342: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
1343: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
1344: if ($uri =~ m{^\Q/priv/$cdom/$cnum/\E}) {
1345: $courseauthor = $cnum.':'.$cdom;
1346: $crsaurights = "/res/$cdom/$cnum/default.rights";
1347: $readonly = 1;
1348: }
1349: }
1350: my $fn=&Apache::lonnet::filelocation('',$uri);
1351: $disuri=~s{^/\~}{/priv/};
1352: $disuri=~s/\.meta$//;
1353: my $meta_uri = $disuri;
1354: my $path;
1355: if ($disuri =~ m|/portfolio/|) {
1356: ($disuri, $meta_uri, $path) = &portfolio_display_uri($disuri,1);
1357: }
1358: my $target=$uri;
1359: $target=~s{^/\~}{/res/$env{'request.role.domain'}/};
1360: $target=~s/\.meta$//;
1361: my $bombs=&Apache::lonmsg::retrieve_author_res_msg($target);
1362: if ($bombs) {
1363: # Display Bombs, not Metadata
1364: $r->print(
1365: '<h2>'.&mt('Error Messages').'</h2>'
1366: .'<p>'.&mt('Folder: [_1]',
1367: '<span class="LC_filename">'.$disuri.'</span>')
1368: .'</p>'
1369: );
1370: my $showbuttons=1;
1371: my $message='';
1372: my $rc='';
1373: if ($env{'form.delmsg'}) {
1374: $rc=&Apache::lonmsg::del_url_author_res_msg($target);
1375: if ($rc eq 'ok') {
1376: $message=&Apache::lonhtmlcommon::confirm_success(
1377: &mt('Messages deleted.'));
1378: $showbuttons=0;
1379: } else {
1380: $message=&Apache::lonhtmlcommon::confirm_success(
1381: &mt('Error deleting messages'), 1)
1382: .'<br />'.&mt('Error: [_1]',$rc);
1383: }
1384: }
1385: if ($env{'form.clearmsg'}) {
1386: my $cleardir=$target;
1387: $cleardir=~s/\/[^\/]+$/\//; # Extract dir: keep path, remove filename
1388: $rc=&Apache::lonmsg::clear_author_res_msg($cleardir);
1389: if ($rc eq 'ok') {
1390: $message=&Apache::lonhtmlcommon::confirm_success(
1391: &mt('Messages cleared.'));
1392: $showbuttons=0;
1393: } else {
1394: $message=&Apache::lonhtmlcommon::confirm_success(
1395: &mt('Error clearing messages'),1)
1396: .'<br />'.&mt('Error: [_1]',$rc);
1397: }
1398: }
1399: if ($message) {
1400: $message=&Apache::loncommon::confirmwrapper($message);
1401: $r->print($message);
1402: }
1403:
1404: $r->print('<form method="post" action="" name="defaultmeta">');
1405: if ($showbuttons) {
1406: $r->print(
1407: '<input type="submit" name="delmsg" value="'.
1408: &mt('Delete Messages for this Resource').'" />'.
1409: '<input type="submit" name="clearmsg" value="'.
1410: &mt('Clear all Messages in Subdirectory').'" />'
1411: .'<br />'.$bombs
1412: );
1413: } else {
1414: my $functions=&Apache::lonhtmlcommon::start_funclist('Actions');
1415: $functions.=&Apache::lonhtmlcommon::add_item_funclist(
1416: '<a href="'.$disuri.'">'.
1417: &mt('Back to Source File').'</a>');
1418: my ($diruri) = ($disuri =~ m{(.*/)[^/]*});
1419: $functions.=&Apache::lonhtmlcommon::add_item_funclist(
1420: '<a href="'.$diruri.'">'.
1421: &mt('Back to Source Directory').'</a>');
1422: $functions .= &Apache::lonhtmlcommon::end_funclist();
1423: $r->print('<p>'.$functions.'</p>');
1424: }
1425: } else {
1426:
1427: # Display Metadata, not Bombs
1428: my $displayfile =
1429: &mt('Metadata for [_1]'
1430: ,'<span class="LC_filename">'.$disuri.'</span>');
1431: if ($disuri=~/\/default$/) {
1432: my $dir=$disuri;
1433: $dir=~s/default$//;
1434: $displayfile=&mt('Default Metadata for Directory [_1]'
1435: ,'<span class="LC_filename">'.$dir.'</span>');
1436: }
1437: %Apache::lonpublisher::metadatafields=();
1438: %Apache::lonpublisher::metadatakeys=();
1439: my $result=&Apache::lonnet::getfile($fn);
1440: if ($result == -1){
1441: my $message = &Apache::lonhtmlcommon::confirm_success(
1442: &mt('Creating new file [_1]'
1443: ,'<span class="LC_filename"'.$meta_uri.'</span>'));
1444: $message = &Apache::loncommon::confirmwrapper($message);
1445: $r->print($message);
1446: } else {
1447: &Apache::lonpublisher::metaeval($result);
1448: }
1449: if ($env{'form.new_courserestricted'}) {
1450: my $new_assoc_course = $env{'form.new_courserestricted'};
1451: my $prev_courserestricted = $Apache::lonpublisher::metadatafields{'courserestricted'};
1452: if (($prev_courserestricted) &&
1453: ($prev_courserestricted ne $new_assoc_course)) {
1454: my $transfers = [];
1455: foreach my $key (keys(%env)) {
1456: if ($key =~ /^form\.transfer_(.+)$/) {
1457: push(@{$transfers},$1);
1458: }
1459: }
1460: if (@{$transfers} > 0) {
1461: &store_transferred_addedfields($fn,$uri,$transfers);
1462: }
1463: }
1464: }
1465: $r->print(<<ENDEDIT);
1466: <h2>$displayfile</h2>
1467: <form method="post" action="" name="defaultmeta">
1468: ENDEDIT
1469: my %lt=&fieldnames($file_type);
1470: my $output;
1471: my @fields;
1472: my $added_metadata_fields;
1473: my @added_order;
1474: if ($file_type eq 'groups') {
1475: $Apache::lonpublisher::metadatafields{'courserestricted'}=
1476: 'course.'.$env{'request.course.id'};
1477: }
1478: if ((! $Apache::lonpublisher::metadatafields{'courserestricted'}) &&
1479: (! $env{'form.new_courserestricted'}) && (! $file_type eq 'groups')) {
1480: $Apache::lonpublisher::metadatafields{'courserestricted'}=
1481: 'none';
1482: } elsif ($env{'form.new_courserestricted'}) {
1483: $Apache::lonpublisher::metadatafields{'courserestricted'}=
1484: $env{'form.new_courserestricted'};
1485: }
1486: if ($file_type eq 'portfolio' || $file_type eq 'groups') {
1487: if(exists ($env{$Apache::lonpublisher::metadatafields{'courserestricted'}.'.metadata.fieldlist'})) {
1488: # retrieve fieldnames (in order) from the course restricted list
1489: @fields = (split(/,/,$env{$Apache::lonpublisher::metadatafields{'courserestricted'}.'.metadata.fieldlist'}));
1490: } else {
1491: # no saved field list, use default list
1492: @fields = ('title','author','subject','keywords','abstract',
1493: 'notes','lowestgradelevel',
1494: 'highestgradelevel','standards');
1495: if ($Apache::lonpublisher::metadatafields{'courserestricted'} =~ /^course\.($match_domain\_$match_courseid)$/) {
1496: my $assoc_crs = $1;
1497: $added_metadata_fields = &Apache::lonparmset::get_added_meta_fieldnames($assoc_crs);
1498: if ($env{'course.'.$assoc_crs.'.metadata.addedorder'}) {
1499: @added_order = split(/,/,$env{'course.'.$assoc_crs.'.metadata.addedorder'});
1500: }
1501: $env{$Apache::lonpublisher::metadatafields{'courserestricted'}.'.metadata.fieldlist'} = join(",",@fields);
1502: }
1503: }
1504: } else {
1505: @fields = ('title','author','subject','keywords','abstract','notes',
1506: 'copyright','customdistributionfile','language',
1507: 'standards',
1508: 'lowestgradelevel','highestgradelevel','sourceavail','sourcerights',
1509: 'obsolete','obsoletereplacement');
1510: }
1511: if ($courseauthor) {
1512: $Apache::lonpublisher::metadatafields{'copyright'}='custom';
1513: $Apache::lonpublisher::metadatafields{'customdistributionfile'}=$crsaurights;
1514: }
1515: my (%domdefs,$got_domdefs);
1516: if (! $Apache::lonpublisher::metadatafields{'copyright'}) {
1517: my $copyright = 'default';
1518: if ($env{'environment.copyright'} ne '') {
1519: $copyright = $env{'environment.copyright'};
1520: } else {
1521: my $defdom = $env{'request.role.domain'};
1522: if ($disuri =~ m{^/priv/($match_domain)/}) {
1523: $defdom = $1;
1524: }
1525: if ($defdom ne '') {
1526: %domdefs = &Apache::lonnet::get_domain_defaults($defdom);
1527: $got_domdefs = 1;
1528: if ($domdefs{'copyright'} ne '') {
1529: $copyright = $domdefs{'copyright'};
1530: }
1531: }
1532: }
1533: $Apache::lonpublisher::metadatafields{'copyright'}=
1534: $copyright;
1535: }
1536: if (! $Apache::lonpublisher::metadatafields{'sourceavail'}) {
1537: my $sourceavail = 'closed';
1538: if ($env{'environment.sourceavail'} ne '') {
1539: $sourceavail = $env{'environment.sourceavail'};
1540: } else {
1541: my $defdom = $env{'request.role.domain'};
1542: if ($disuri =~ m{^/priv/($match_domain)/}) {
1543: $defdom = $1;
1544: }
1545: if ($defdom ne '') {
1546: unless ($got_domdefs) {
1547: %domdefs = &Apache::lonnet::get_domain_defaults($defdom);
1548: $got_domdefs = 1;
1549: }
1550: if ($domdefs{'sourceavail'} ne '') {
1551: $sourceavail = $domdefs{'sourceavail'};
1552: }
1553: }
1554: }
1555: $Apache::lonpublisher::metadatafields{'sourceavail'}=
1556: $sourceavail;
1557: }
1558: if (($file_type eq 'portfolio') || ($file_type eq 'groups')) {
1559: if (! $Apache::lonpublisher::metadatafields{'mime'}) {
1560: ($Apache::lonpublisher::metadatafields{'mime'}) =
1561: ( $target=~/\.(\w+)$/ );
1562: }
1563: if (! $Apache::lonpublisher::metadatafields{'owner'}) {
1564: $Apache::lonpublisher::metadatafields{'owner'} =
1565: $env{'user.name'}.':'.$env{'user.domain'};
1566: }
1567: if (! $Apache::lonpublisher::metadatafields{'author'}) {
1568: $Apache::lonpublisher::metadatafields{'author'} =
1569: &Apache::loncommon::plainname($env{'user.name'},
1570: $env{'user.domain'});
1571: }
1572: if ($Apache::lonpublisher::metadatafields{'courserestricted'} ne 'none') {
1573:
1574: if ($file_type eq 'portfolio') {
1575: $r->print(
1576: &mt('Associated with course [_1]'
1577: ,'<strong>'
1578: .$env{$Apache::lonpublisher::metadatafields{'courserestricted'}
1579: .".description"}.'</strong>')
1580: .' <a href="'.$uri.'?changecourse=true">'
1581: .&mt('Change')
1582: .'</a>'.'<br />'
1583: );
1584:
1585: } else {
1586: $r->print(&mt('Associated with course [_1]',
1587: '<strong>'.
1588: $env{$Apache::lonpublisher::metadatafields{'courserestricted'}.
1589: ".description"}.'</strong>').'<br />');
1590: }
1591: } else {
1592: $r->print(
1593: &mt('This resource is not associated with a course.')
1594: .' <a href="'.$uri.'?changecourse=true">'.&mt('Change').'</a><br />'
1595: );
1596: }
1597: }
1598: if (@added_order) {
1599: foreach my $field_name (@added_order) {
1600: push(@fields,$field_name);
1601: $lt{$field_name} = $$added_metadata_fields{$field_name};
1602: }
1603: } else {
1604: foreach my $field_name (keys(%$added_metadata_fields)) {
1605: push(@fields,$field_name);
1606: $lt{$field_name} = $$added_metadata_fields{$field_name};
1607: }
1608: }
1609: $output .= &Apache::lonhtmlcommon::start_pick_box();
1610: my $last = $#fields + 1;
1611: my $rowcount = 0;
1612: foreach my $field_name (@fields) {
1613: $rowcount++;
1614: if (defined($env{'form.new_'.$field_name})) {
1615: my @values = &Apache::loncommon::get_env_multiple('form.new_'.$field_name);
1616: my $newvalue = '';
1617: foreach my $item (@values) {
1618: if ($item ne '') {
1619: $newvalue .= $item.',';
1620: }
1621: }
1622: $newvalue =~ s/,$//;
1623: $Apache::lonpublisher::metadatafields{$field_name}=$newvalue;
1624: }
1625: if ($Apache::lonpublisher::metadatafields{'courserestricted'} ne 'none'
1626: && exists($env{$Apache::lonpublisher::metadatafields{'courserestricted'}.'.metadata.'.$field_name.'.options'})) {
1627: # handle restrictions here
1628: if ((($env{$Apache::lonpublisher::metadatafields{'courserestricted'}.'.metadata.'.$field_name.'.options'} =~ m/active/) ||
1629: ($field_name eq 'courserestricted'))&&
1630: (!($env{$Apache::lonpublisher::metadatafields{'courserestricted'}.'.metadata.'.$field_name.'.options'} =~ m/deleted/))){
1631:
1632: $output .= &Apache::lonhtmlcommon::row_title($lt{$field_name})
1633: .&prettyinput($field_name,
1634: $Apache::lonpublisher::metadatafields{$field_name},
1635: $readonly,'new_'.$field_name,'defaultmeta',
1636: undef,undef,undef,undef,
1637: $Apache::lonpublisher::metadatafields{'courserestricted'});
1638: $output .= &Apache::lonhtmlcommon::row_closure($rowcount == $last?1:0);
1639: }
1640: } else {
1641: $output .= &Apache::lonhtmlcommon::row_title($lt{$field_name})
1642: .&prettyinput($field_name,
1643: $Apache::lonpublisher::metadatafields{$field_name},
1644: $readonly,'new_'.$field_name,'defaultmeta')
1645: .&Apache::lonhtmlcommon::row_closure($rowcount == $last?1:0);
1646:
1647: }
1648: }
1649: $output .= &Apache::lonhtmlcommon::end_pick_box();
1650: if ($env{'form.store'}) {
1651: my ($outcome,$result) = &store_metadata($fn,$uri,'store');
1652: $r->print($result);
1653: }
1654: my $savebutton = '<p><input type="submit" name="store"'
1655: .' value="'.&mt('Save').'" title="'.&mt('Save Metadata').'" /></p>';
1656: $r->print($savebutton.$output.$savebutton);
1657:
1658: if ($file_type eq 'portfolio' || $file_type eq 'groups') {
1659: my ($port_path,$group) = &get_port_path_and_group($uri);
1660: if ($group ne '') {
1661: $r->print('<input type="hidden" name="group" value="'.$group.'" />');
1662: }
1663: $r->print('<input type="hidden" name="currentpath" value="'.$env{'form.currentpath'}.'" />');
1664: $r->print('</form><br /><br /><form method="post" action="'.$port_path.'">');
1665: if ($group ne '') {
1666: $r->print('<input type="hidden" name="group" value="'.$group.'" />');
1667: }
1668: $r->print('<input type="hidden" name="currentpath" value="'.$path.'" />'.
1669: '<input type="submit" name="cancel" value="'.&mt('Discard Edits and Return to Portfolio').'" />');
1670: }
1671: }
1672:
1673: $r->print('</form>');
1674:
1675: return;
1676: }
1677:
1678: sub store_metadata {
1679: my ($fn,$uri,$caller) = @_;
1680: my $mfh;
1681: my $formname='store';
1682: my ($file_content,$output,$outcome);
1683: if (&Apache::loncommon::get_env_multiple('form.new_keywords')) {
1684: $Apache::lonpublisher::metadatafields{'keywords'} =
1685: join (',', &Apache::loncommon::get_env_multiple('form.new_keywords'));
1686: }
1687: if (($caller eq 'store') && ($env{'request.course.id'})) {
1688: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
1689: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
1690: if ($uri =~ m{^\Q/priv/$cdom/$cnum/\E}) {
1691: unless ($uri eq "/priv/$cdom/$cnum/default.rights.meta") {
1692: $Apache::lonpublisher::metadatafields{'copyright'} = 'custom';
1693: $Apache::lonpublisher::metadatafields{'customdistributionfile'} =
1694: "/res/$cdom/$cnum/default.rights";
1695: }
1696: }
1697: }
1698: foreach my $field (sort(keys(%Apache::lonpublisher::metadatafields))) {
1699: next if ($field =~ /\./);
1700: my $unikey=$field;
1701: $unikey=~/^([A-Za-z_]+)/;
1702: my $tag=$1;
1703: $tag=~tr/A-Z/a-z/;
1704: $file_content.= "\n\<$tag";
1705: foreach my $key (split(/\,/,$Apache::lonpublisher::metadatakeys{$unikey})) {
1706: my $value = $Apache::lonpublisher::metadatafields{$unikey.'.'.$key};
1707: $value=~s/\"/\'\'/g;
1708: $file_content.=' '.$key.'="'.$value.'"' ;
1709: }
1710: $file_content.= '>'.
1711: &HTML::Entities::encode
1712: ($Apache::lonpublisher::metadatafields{$unikey},'<>&"').
1713: '</'.$tag.'>';
1714: }
1715: if ($fn =~ m|^$Apache::lonnet::perlvar{'lonDocRoot'}/userfiles|) {
1716: my ($path, $new_fn);
1717: if ($fn =~ m|$match_name/groups/\w+/portfolio/|) {
1718: ($path, $new_fn) = ($fn =~ m|/(groups/\w+/portfolio.*)/([^/]*)$|);
1719: } else {
1720: ($path, $new_fn) = ($fn =~ m|/(portfolio.*)/([^/]*)$|);
1721: }
1722: ($outcome,my $result) =
1723: &store_portfolio_metadata($formname,$file_content,
1724: $path,$new_fn,$uri,$caller);
1725: $output .= $result;
1726: } else {
1727: if (! ($mfh=Apache::File->new('>'.$fn))) {
1728: $output .= '<p class="LC_error">';
1729: if ($caller eq 'transfer') {
1730: $output .= &mt('Could not transfer data in added fields to notes');
1731: } else {
1732: $output .= &mt('Could not write metadata');
1733: }
1734: $output .= ', '.&mt('FAIL').'</p>';
1735: $outcome = 'fail';
1736: } else {
1737: print $mfh ($file_content);
1738: close($mfh);
1739: &update_metadata_table($uri);
1740: my $confirmtext;
1741: if ($caller eq 'transfer') {
1742: $confirmtext = &mt('Transferred data in added fields to notes');
1743: } else {
1744: $confirmtext = &mt('Wrote Metadata');
1745: }
1746: $output .= &Apache::loncommon::confirmwrapper(
1747: &Apache::lonhtmlcommon::confirm_success(
1748: $confirmtext.' '.&Apache::lonlocal::locallocaltime(time)));
1749: $outcome = 'ok';
1750: }
1751: }
1752: return ($outcome,$output);
1753: }
1754:
1755: sub store_transferred_addedfields {
1756: my ($fn,$uri,$transfers) = @_;
1757: foreach my $item (@{$transfers}) {
1758: $Apache::lonpublisher::metadatafields{'notes'} .=
1759: ' '.$item.' = '.$Apache::lonpublisher::metadatafields{$item};
1760: }
1761: my ($outcome,$output) = &store_metadata($fn,$uri,'transfer');
1762: if ($outcome eq 'ok') {
1763: foreach my $item (@{$transfers}) {
1764: delete($Apache::lonpublisher::metadatafields{$item});
1765: }
1766: }
1767: }
1768:
1769: sub store_portfolio_metadata {
1770: my ($formname,$content,$path,$new_fn,$uri,$caller) = @_;
1771: my ($outcome,$output);
1772: $env{'form.'.$formname}=$content."\n";
1773: $env{'form.'.$formname.'.filename'}=$new_fn;
1774: my $result =&Apache::lonnet::userfileupload($formname,'',$path);
1775: if ($result =~ /(error|notfound)/) {
1776: $output = '<p class="LC_error">';
1777: if ($caller eq 'transfer') {
1778: $output .=
1779: &mt('Could not transfer data in added fields to notes');
1780: } else {
1781: $output .= &mt('Could not write metadata');
1782: }
1783: $output .= ', '.&mt('FAIL').'</p>';
1784: $outcome = 'fail';
1785: } else {
1786: &update_metadata_table($uri);
1787: $output = '<p class="LC_success">';
1788: if ($caller eq 'transfer') {
1789: $output .= &mt('Transferred data in added fields to notes');
1790: } else {
1791: $output .= &mt('Wrote Metadata');
1792: }
1793: $output .= ' '.&Apache::lonlocal::locallocaltime(time).
1794: '</p>';
1795: $outcome = 'ok';
1796: }
1797: return ($outcome,$output);
1798: }
1799:
1800: sub update_metadata_table {
1801: my ($uri) = @_;
1802: my ($type,$udom,$uname,$file_name,$group) =
1803: &Apache::lonnet::parse_portfolio_url($uri);
1804: $file_name =~ s/\.meta$//;
1805: my $current_permissions =
1806: &Apache::lonnet::get_portfile_permissions($udom,$uname);
1807: my %access_controls =
1808: &Apache::lonnet::get_access_controls($current_permissions,$group,
1809: $file_name);
1810: my $access_hash = $access_controls{$file_name};
1811: my $available = 0;
1812: if (ref($access_hash) eq 'HASH') {
1813: foreach my $key (keys(%{$access_hash})) {
1814: my ($num,$scope,$end,$start) =
1815: ($key =~ /^([^:]+):([a-z]+)_(\d*)_?(\d*)$/);
1816: if ($scope eq 'public' || $scope eq 'guest') {
1817: $available = 1;
1818: last;
1819: }
1820: }
1821: }
1822: if ($available) {
1823: my $result =
1824: &Apache::lonnet::update_portfolio_table($uname,$udom,
1825: $file_name,'portfolio_metadata',$group,'update');
1826: }
1827: }
1828:
1829:
1830: 1;
1831: __END__
1832:
1833:
1834: =head1 NAME
1835:
1836: Apache::lonmeta - display meta data
1837:
1838: =head1 SYNOPSIS
1839:
1840: Handler to display meta data
1841:
1842: This is part of the LearningOnline Network with CAPA project
1843: described at http://www.lon-capa.org.
1844:
1845: =head1 SUBROUTINES
1846:
1847: =over
1848:
1849: =item &get_dynamic_metadata_from_sql($url) :
1850:
1851: Queries sql database for dynamic metdata
1852: Returns a hash of hashes, with keys of urls which match $url
1853: Returned fields are given below.
1854:
1855: Examples:
1856:
1857: %DynamicMetadata = &Apache::lonmeta::get_dynmaic_metadata_from_sql
1858: ('/res/msu/korte/');
1859:
1860: $DynamicMetadata{'/res/msu/korte/example.problem'}->{$field}
1861:
1862: =item dynamicmeta()
1863:
1864: Fetch and evaluate dynamic metadata
1865:
1866: =item access_count()
1867:
1868: =item alttag()
1869:
1870: Try to make an alt tag if there is none
1871:
1872: =item authordisplay()
1873:
1874: Author display
1875:
1876: =item evalgraph()
1877:
1878: Pretty display
1879:
1880: =item diffgraph()
1881:
1882: =item fieldnames()
1883:
1884: =item portfolio_linked_path()
1885:
1886: =item get_port_path_and_group()
1887:
1888: =item portfolio_display_uri()
1889:
1890: =item pre_select_course()
1891:
1892: =item select_course()
1893:
1894: =item prettyprint()
1895:
1896: Pretty printing of metadata field
1897:
1898: =item direct()
1899:
1900: Pretty input of metadata field
1901:
1902: =item selectbox()
1903:
1904: =item relatedfield()
1905:
1906: =item prettyinput()
1907:
1908: =item report_bombs()
1909:
1910: =item present_uneditable_metadata()
1911:
1912: =item present_editable_metadata()
1913:
1914: =item store_metadata()
1915:
1916: =item store_transferred_addedfields()
1917:
1918: =item store_portfolio_metadata()
1919:
1920: =item update_metadata_table()
1921:
1922: =back
1923:
1924: =cut
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