1: # The LearningOnline Network with CAPA
2: # Metadata display handler
3: #
4: # $Id: lonmeta.pm,v 1.190 2006/12/05 02:55:53 albertel Exp $
5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: #
26: # http://www.lon-capa.org/
27:
28:
29: package Apache::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: ############################################################
46: ############################################################
47: ##
48: ## &get_dynamic_metadata_from_sql($url)
49: ##
50: ## Queries sql database for dynamic metdata
51: ## Returns a hash of hashes, with keys of urls which match $url
52: ## Returned fields are given below.
53: ##
54: ## Examples:
55: ##
56: ## %DynamicMetadata = &Apache::lonmeta::get_dynmaic_metadata_from_sql
57: ## ('/res/msu/korte/');
58: ##
59: ## $DynamicMetadata{'/res/msu/korte/example.problem'}->{$field}
60: ##
61: ############################################################
62: ############################################################
63: sub get_dynamic_metadata_from_sql {
64: my ($url) = shift();
65: my ($authordom,$author)=($url=~m{^/res/($match_domain)/($match_username)/});
66: if (! defined($authordom)) {
67: $authordom = shift();
68: }
69: if (! defined($author)) {
70: $author = shift();
71: }
72: if (! defined($authordom) || ! defined($author)) {
73: return ();
74: }
75: my $query = 'SELECT * FROM metadata WHERE url LIKE "'.$url.'%"';
76: my $server = &Apache::lonnet::homeserver($author,$authordom);
77: my $reply = &Apache::lonnet::metadata_query($query,undef,undef,
78: ,[$server]);
79: return () if (! defined($reply) || ref($reply) ne 'HASH');
80: my $filename = $reply->{$server};
81: if (! defined($filename) || $filename =~ /^error/) {
82: return ();
83: }
84: my $max_time = time + 10; # wait 10 seconds for results at most
85: my %ReturnHash;
86: #
87: # Look for results
88: my $finished = 0;
89: while (! $finished && time < $max_time) {
90: my $datafile=$Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/'.$filename;
91: if (! -e "$datafile.end") { next; }
92: my $fh;
93: if (!($fh=Apache::File->new($datafile))) { next; }
94: while (my $result = <$fh>) {
95: chomp($result);
96: next if (! $result);
97: my %hash=&LONCAPA::lonmetadata::metadata_col_to_hash('metadata',
98: map { &unescape($_) } split(/\,/,$result));
99: foreach my $key (keys(%hash)) {
100: $ReturnHash{$hash{'url'}}->{$key}=$hash{$key};
101: }
102: }
103: $finished = 1;
104: }
105: #
106: return %ReturnHash;
107: }
108:
109:
110: # Fetch and evaluate dynamic metadata
111: sub dynamicmeta {
112: my $url=&Apache::lonnet::declutter(shift);
113: $url=~s/\.meta$//;
114: my ($adomain,$aauthor)=($url=~/^($match_domain)\/($match_username)\//);
115: my $regexp=$url;
116: $regexp=~s/(\W)/\\$1/g;
117: $regexp='___'.$regexp.'___';
118: my %evaldata=&Apache::lonnet::dump('nohist_resevaldata',$adomain,
119: $aauthor,$regexp);
120: my %DynamicData = &LONCAPA::lonmetadata::process_reseval_data(\%evaldata);
121: my %Data = &LONCAPA::lonmetadata::process_dynamic_metadata($url,
122: \%DynamicData);
123: #
124: # Deal with 'count' separately
125: $Data{'count'} = &access_count($url,$aauthor,$adomain);
126: #
127: # Debugging code I will probably need later
128: if (0) {
129: &Apache::lonnet::logthis('Dynamic Metadata');
130: while(my($k,$v)=each(%Data)){
131: &Apache::lonnet::logthis(' "'.$k.'"=>"'.$v.'"');
132: }
133: &Apache::lonnet::logthis('-------------------');
134: }
135: return %Data;
136: }
137:
138: sub access_count {
139: my ($src,$author,$adomain) = @_;
140: my %countdata=&Apache::lonnet::dump('nohist_accesscount',$adomain,
141: $author,$src);
142: if (! exists($countdata{$src})) {
143: return &mt('Not Available');
144: } else {
145: return $countdata{$src};
146: }
147: }
148:
149: # Try to make an alt tag if there is none
150: sub alttag {
151: my ($base,$src)=@_;
152: my $fullpath=&Apache::lonnet::hreflocation($base,$src);
153: my $alttag=&Apache::lonnet::metadata($fullpath,'title').' '.
154: &Apache::lonnet::metadata($fullpath,'subject').' '.
155: &Apache::lonnet::metadata($fullpath,'abstract');
156: $alttag=~s/\s+/ /gs;
157: $alttag=~s/\"//gs;
158: $alttag=~s/\'//gs;
159: $alttag=~s/\s+$//gs;
160: $alttag=~s/^\s+//gs;
161: if ($alttag) {
162: return $alttag;
163: } else {
164: return &mt('No information available');
165: }
166: }
167:
168: # Author display
169: sub authordisplay {
170: my ($aname,$adom)=@_;
171: return &Apache::loncommon::aboutmewrapper
172: (&Apache::loncommon::plainname($aname,$adom),
173: $aname,$adom,'preview').' <tt>['.$aname.':'.$adom.']</tt>';
174: }
175:
176: # Pretty display
177: sub evalgraph {
178: my $value=shift;
179: if (! $value) {
180: return '';
181: }
182: my $val=int($value*10.+0.5)-10;
183: my $output='<table border="0" cellpadding="0" cellspacing="0"><tr>';
184: if ($val>=20) {
185: $output.='<td width="20" bgcolor="#555555">  </td>';
186: } else {
187: $output.='<td width="'.($val).'" bgcolor="#555555"> </td>'.
188: '<td width="'.(20-$val).'" bgcolor="#FF3333"> </td>';
189: }
190: $output.='<td bgcolor="#FFFF33"> </td>';
191: if ($val>20) {
192: $output.='<td width="'.($val-20).'" bgcolor="#33FF33"> </td>'.
193: '<td width="'.(40-$val).'" bgcolor="#555555"> </td>';
194: } else {
195: $output.='<td width="20" bgcolor="#555555">  </td>';
196: }
197: $output.='<td> ('.sprintf("%5.2f",$value).') </td></tr></table>';
198: return $output;
199: }
200:
201: sub diffgraph {
202: my $value=shift;
203: if (! $value) {
204: return '';
205: }
206: my $val=int(40.0*$value+0.5);
207: my @colors=('#FF9933','#EEAA33','#DDBB33','#CCCC33',
208: '#BBDD33','#CCCC33','#DDBB33','#EEAA33');
209: my $output='<table border="0" cellpadding="0" cellspacing="0"><tr>';
210: for (my $i=0;$i<8;$i++) {
211: if ($val>$i*5) {
212: $output.='<td width="5" bgcolor="'.$colors[$i].'"> </td>';
213: } else {
214: $output.='<td width="5" bgcolor="#555555"> </td>';
215: }
216: }
217: $output.='<td> ('.sprintf("%3.2f",$value).') </td></tr></table>';
218: return $output;
219: }
220:
221:
222: # The field names
223: sub fieldnames {
224: my $file_type=shift;
225: my %fields =
226: ('title' => 'Title',
227: 'author' =>'Author(s)',
228: 'authorspace' => 'Author Space',
229: 'modifyinguser' => 'Last Modifying User',
230: 'subject' => 'Subject',
231: 'standards' => 'Standards',
232: 'keywords' => 'Keyword(s)',
233: 'notes' => 'Notes',
234: 'abstract' => 'Abstract',
235: 'lowestgradelevel' => 'Lowest Grade Level',
236: 'highestgradelevel' => 'Highest Grade Level');
237:
238: if (! defined($file_type) || $file_type ne 'portfolio') {
239: %fields =
240: (%fields,
241: 'domain' => 'Domain',
242: 'mime' => 'MIME Type',
243: 'language' => 'Language',
244: 'creationdate' => 'Creation Date',
245: 'lastrevisiondate' => 'Last Revision Date',
246: 'owner' => 'Publisher/Owner',
247: 'copyright' => 'Copyright/Distribution',
248: 'customdistributionfile' => 'Custom Distribution File',
249: 'sourceavail' => 'Source Available',
250: 'sourcerights' => 'Source Custom Distribution File',
251: 'obsolete' => 'Obsolete',
252: 'obsoletereplacement' => 'Suggested Replacement for Obsolete File',
253: 'count' => 'Network-wide number of accesses (hits)',
254: 'course' => 'Network-wide number of courses using resource',
255: 'course_list' => 'Network-wide courses using resource',
256: 'sequsage' => 'Number of resources using or importing resource',
257: 'sequsage_list' => 'Resources using or importing resource',
258: 'goto' => 'Number of resources that follow this resource in maps',
259: 'goto_list' => 'Resources that follow this resource in maps',
260: 'comefrom' => 'Number of resources that lead up to this resource in maps',
261: 'comefrom_list' => 'Resources that lead up to this resource in maps',
262: 'clear' => 'Material presented in clear way',
263: 'depth' => 'Material covered with sufficient depth',
264: 'helpful' => 'Material is helpful',
265: 'correct' => 'Material appears to be correct',
266: 'technical' => 'Resource is technically correct',
267: 'avetries' => 'Average number of tries till solved',
268: 'stdno' => 'Total number of students who have worked on this problem',
269: 'difficulty' => 'Degree of difficulty',
270: 'disc' => 'Degree of discrimination',
271: 'dependencies' => 'Resources used by this resource',
272: );
273: }
274: return &Apache::lonlocal::texthash(%fields);
275: }
276:
277: sub portfolio_linked_path {
278: my ($path,$group,$port_path) = @_;
279:
280: my $start = 'portfolio';
281: if ($group) {
282: $start = "groups/$group/".$start;
283: }
284: my %anchor_fields = (
285: 'selectfile' => $start,
286: 'currentpath' => '/'
287: );
288: my $result = &Apache::portfolio::make_anchor($port_path,\%anchor_fields,$start);
289: my $fullpath = '/';
290: my (undef,@tree) = split('/',$path);
291: my $filename = pop(@tree);
292: foreach my $dir (@tree) {
293: $fullpath .= $dir.'/';
294: $result .= '/';
295: my %anchor_fields = (
296: 'selectfile' => $dir,
297: 'currentpath' => $fullpath
298: );
299: $result .= &Apache::portfolio::make_anchor($port_path,\%anchor_fields,$dir);
300: }
301: $result .= "/$filename";
302: return $result;
303: }
304:
305: sub get_port_path_and_group {
306: my ($uri)=@_;
307:
308: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
309: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
310:
311: my ($port_path,$group);
312: if ($uri =~ m{^/editupload/\Q$cdom\E/\Q$cnum\E/groups/}) {
313: $group = (split('/',$uri))[5];
314: $port_path = '/adm/coursegrp_portfolio';
315: } else {
316: $port_path = '/adm/portfolio';
317: }
318: if ($env{'form.group'} ne $group) {
319: $env{'form.group'} = $group;
320: }
321: return ($port_path,$group);
322: }
323:
324: sub portfolio_display_uri {
325: my ($uri,$as_links)=@_;
326:
327: my ($port_path,$group) = &get_port_path_and_group($uri);
328:
329: $uri =~ s|.*/(portfolio/.*)$|$1|;
330: my ($res_uri,$meta_uri) = ($uri,$uri);
331: if ($uri =~ /\.meta$/) {
332: $res_uri =~ s/\.meta//;
333: } else {
334: $meta_uri .= '.meta';
335: }
336:
337: my ($path) = ($res_uri =~ m|^portfolio(.*/)[^/]*$|);
338: if ($as_links) {
339: $res_uri = &portfolio_linked_path($res_uri,$group,$port_path);
340: $meta_uri = &portfolio_linked_path($meta_uri,$group,$port_path);
341: }
342: return ($res_uri,$meta_uri,$path);
343: }
344:
345: sub pre_select_course {
346: my ($r,$uri) = @_;
347: my $output;
348: my $fn=&Apache::lonnet::filelocation('',$uri);
349: my ($res_uri,$meta_uri,$path) = &portfolio_display_uri($uri);
350: %Apache::lonpublisher::metadatafields=();
351: %Apache::lonpublisher::metadatakeys=();
352: my $result=&Apache::lonnet::getfile($fn);
353: if ($result == -1){
354: $r->print(&mt('Creating new file [_1]'),$meta_uri);
355: } else {
356: &Apache::lonpublisher::metaeval($result);
357: }
358: $r->print('<hr /><form method="post" action="" >');
359: $r->print('<p>'.&mt('If you would like to associate this resource ([_1]) with a current or previous course, please select one from the list below, otherwise select, \'None\'','<tt>'.$res_uri.'</tt>').'</p>');
360: $output = &select_course();
361: $r->print($output.'<br /><input type="submit" name="store" value="'.
362: &mt('Associate Resource With Selected Course').'" />');
363: $r->print('<input type="hidden" name="currentpath" value="'.$env{'form.currentpath'}.'" />');
364: $r->print('<input type="hidden" name="associate" value="true" />');
365: $r->print('</form>');
366:
367: my ($port_path,$group) = &get_port_path_and_group($uri);
368: my $group_input;
369: if ($group) {
370: $group_input = '<input type="hidden" name="group" value="'.$group.'" />';
371: }
372: $r->print('<br /><br /><form method="post" action="'.$port_path.'">'.
373: '<input type="hidden" name="currentpath" value="'.$path.'" />'.
374: $group_input.
375: '<input type="submit" name="cancel" value="'.&mt('Cancel').'" />'.
376: '</form>');
377:
378: return;
379: }
380: sub select_course {
381: my $output=$/;
382: my $current_restriction=
383: $Apache::lonpublisher::metadatafields{'courserestricted'};
384: my $selected = ($current_restriction eq 'none' ? 'selected="selected"'
385: : '');
386:
387: $output .= '<select name="new_courserestricted" >';
388: $output .= '<option value="none" '.$selected.'>'.
389: &mt('None').'</option>'.$/;
390: my %courses;
391: foreach my $key (keys(%env)) {
392: if ($key !~ m/^course\.(.+)\.description$/) { next; }
393: my $cid = $1;
394: if ($env{$key} !~ /\S/) { next; }
395: $courses{$key} = $cid;
396: }
397: foreach my $key (sort { lc($env{$a}) cmp lc($env{$b}) } (keys(%courses))) {
398: my $cid = 'course.'.$courses{$key};
399: my $selected = ($current_restriction eq $cid ? 'selected="selected"'
400: : '');
401: if ($env{$key} !~ /\S/) { next; }
402: $output .= '<option value="'.$cid.'" '.$selected.'>';
403: $output .= $env{$key};
404: $output .= '</option>'.$/;
405: $selected = '';
406: }
407: $output .= '</select><br />';
408: return ($output);
409: }
410: # Pretty printing of metadata field
411:
412: sub prettyprint {
413: my ($type,$value,$target,$prefix,$form,$noformat)=@_;
414: # $target,$prefix,$form are optional and for filecrumbs only
415: if (! defined($value)) {
416: return ' ';
417: }
418: # Title
419: if ($type eq 'title') {
420: return '<font size="+1" face="arial">'.$value.'</font>';
421: }
422: # Dates
423: if (($type eq 'creationdate') ||
424: ($type eq 'lastrevisiondate')) {
425: return ($value?&Apache::lonlocal::locallocaltime(
426: &Apache::lonmysql::unsqltime($value)):
427: &mt('not available'));
428: }
429: # Language
430: if ($type eq 'language') {
431: return &Apache::loncommon::languagedescription($value);
432: }
433: # Copyright
434: if ($type eq 'copyright') {
435: return &Apache::loncommon::copyrightdescription($value);
436: }
437: # Copyright
438: if ($type eq 'sourceavail') {
439: return &Apache::loncommon::source_copyrightdescription($value);
440: }
441: # MIME
442: if ($type eq 'mime') {
443: return '<img src="'.&Apache::loncommon::icon($value).'" /> '.
444: &Apache::loncommon::filedescription($value);
445: }
446: # Person
447: if (($type eq 'author') ||
448: ($type eq 'owner') ||
449: ($type eq 'modifyinguser') ||
450: ($type eq 'authorspace')) {
451: $value=~s/($match_username)(\:|\@)($match_domain)/&authordisplay($1,$3)/gse;
452: return $value;
453: }
454: # Gradelevel
455: if (($type eq 'lowestgradelevel') ||
456: ($type eq 'highestgradelevel')) {
457: return &Apache::loncommon::gradeleveldescription($value);
458: }
459: # Only for advance users below
460: if (! $env{'user.adv'}) {
461: return '<i>- '.&mt('not displayed').' -</i>';
462: }
463: # File
464: if (($type eq 'customdistributionfile') ||
465: ($type eq 'obsoletereplacement') ||
466: ($type eq 'goto_list') ||
467: ($type eq 'comefrom_list') ||
468: ($type eq 'sequsage_list') ||
469: ($type eq 'dependencies')) {
470: return '<font size="-1"><ul>'.join("\n",map {
471: my $url = &Apache::lonnet::clutter_with_no_wrapper($_);
472: my $title = &Apache::lonnet::gettitle($url);
473: if ($title eq '') {
474: $title = 'Untitled';
475: if ($url =~ /\.sequence$/) {
476: $title .= ' Sequence';
477: } elsif ($url =~ /\.page$/) {
478: $title .= ' Page';
479: } elsif ($url =~ /\.problem$/) {
480: $title .= ' Problem';
481: } elsif ($url =~ /\.html$/) {
482: $title .= ' HTML document';
483: } elsif ($url =~ m:/syllabus$:) {
484: $title .= ' Syllabus';
485: }
486: }
487: $_ = '<li>'.$title.' '.
488: &Apache::lonhtmlcommon::crumbs($url,$target,$prefix,$form,'-1',$noformat).
489: '</li>'
490: } split(/\s*\,\s*/,$value)).'</ul></font>';
491: }
492: # Evaluations
493: if (($type eq 'clear') ||
494: ($type eq 'depth') ||
495: ($type eq 'helpful') ||
496: ($type eq 'correct') ||
497: ($type eq 'technical')) {
498: return &evalgraph($value);
499: }
500: # Difficulty
501: if ($type eq 'difficulty' || $type eq 'disc') {
502: return &diffgraph($value);
503: }
504: # List of courses
505: if ($type=~/\_list/) {
506: my @Courses = split(/\s*\,\s*/,$value);
507: my $Str='<font size="-1"><ul>';
508: my %descriptions;
509: foreach my $course (@Courses) {
510: my %courseinfo =
511: &Apache::lonnet::coursedescription($course,
512: {'one_time' => 1});
513: if (! exists($courseinfo{'num'}) || $courseinfo{'num'} eq '') {
514: next;
515: }
516: $descriptions{join('\0',@courseinfo{'domain','description'})} .=
517: '<li><a href="/public/'.$courseinfo{'domain'}.'/'.
518: $courseinfo{'num'}.'/syllabus" target="preview">'.
519: $courseinfo{'description'}.' ('.$courseinfo{'domain'}.
520: ')</a></li>';
521: }
522: foreach my $course (sort {lc($a) cmp lc($b)} (keys(%descriptions))) {
523: $Str .= $descriptions{$course};
524: }
525:
526: return $Str.'</ul></font>';
527: }
528: # No pretty print found
529: return $value;
530: }
531:
532: # Pretty input of metadata field
533: sub direct {
534: return shift;
535: }
536:
537: sub selectbox {
538: my ($name,$value,$functionref,@idlist)=@_;
539: if (! defined($functionref)) {
540: $functionref=\&direct;
541: }
542: my $selout='<select name="'.$name.'">';
543: foreach (@idlist) {
544: $selout.='<option value=\''.$_.'\'';
545: if ($_ eq $value) {
546: $selout.=' selected>'.&{$functionref}($_).'</option>';
547: }
548: else {$selout.='>'.&{$functionref}($_).'</option>';}
549: }
550: return $selout.'</select>';
551: }
552:
553: sub relatedfield {
554: my ($show,$relatedsearchflag,$relatedsep,$fieldname,$relatedvalue)=@_;
555: if (! $relatedsearchflag) {
556: return '';
557: }
558: if (! defined($relatedsep)) {
559: $relatedsep=' ';
560: }
561: if (! $show) {
562: return $relatedsep.' ';
563: }
564: return $relatedsep.'<input type="checkbox" name="'.$fieldname.'_related"'.
565: ($relatedvalue?' checked="1"':'').' />';
566: }
567:
568: sub prettyinput {
569: my ($type,$value,$fieldname,$formname,
570: $relatedsearchflag,$relatedsep,$relatedvalue,$size,$course_key)=@_;
571: if (! defined($size)) {
572: $size = 80;
573: }
574: my $output;
575: if (defined($course_key)
576: && exists($env{$course_key.'.metadata.'.$type.'.options'})) {
577: my $stu_add;
578: my $only_one;
579: my %meta_options;
580: my @cur_values_inst;
581: my $cur_values_stu;
582: my $values = $env{$course_key.'.metadata.'.$type.'.values'};
583: if ($env{$course_key.'.metadata.'.$type.'.options'} =~ m/stuadd/) {
584: $stu_add = 'true';
585: }
586: if ($env{$course_key.'.metadata.'.$type.'.options'} =~ m/onlyone/) {
587: $only_one = 'true';
588: }
589: # need to take instructor values out of list where instructor and student
590: # values may be mixed.
591: if ($values) {
592: foreach my $item (split(/,/,$values)) {
593: $item =~ s/^\s+//;
594: $meta_options{$item} = $item;
595: }
596: foreach my $item (split(/,/,$value)) {
597: $item =~ s/^\s+//;
598: if ($meta_options{$item}) {
599: push(@cur_values_inst,$item);
600: } else {
601: $cur_values_stu .= $item.',';
602: }
603: }
604: } else {
605: $cur_values_stu = $value;
606: }
607: if ($type eq 'courserestricted') {
608: return (&select_course());
609: # return ('<input type="hidden" name="new_courserestricted" value="'.$course_key.'" />');
610: }
611: my $course = $env{'request.course.id'};
612: if (($type eq 'keywords') || ($type eq 'subject')
613: || ($type eq 'author')||($type eq 'notes')
614: || ($type eq 'abstract')|| ($type eq 'title')|| ($type eq 'standards')
615: || (exists($env{'course.'.$env{'request.course.id'}.'.metadata.'.$type.'.added'}))) {
616: if ($values) {
617: if ($only_one) {
618: $output .= (&Apache::loncommon::select_form($cur_values_inst[0],'new_'.$type,%meta_options));
619: } else {
620: $output .= (&Apache::loncommon::multiple_select_form('new_'.$type,\@cur_values_inst,undef,\%meta_options));
621: }
622: }
623: if ($stu_add) {
624: $output .= '<input type="text" name="'.$fieldname.'" size="'.$size.'" '.
625: 'value="'.$cur_values_stu.'" />'.
626: &relatedfield(1,$relatedsearchflag,$relatedsep,$fieldname,
627: $relatedvalue);
628: }
629: return ($output);
630: }
631: if (($type eq 'lowestgradelevel') ||
632: ($type eq 'highestgradelevel')) {
633: return &Apache::loncommon::select_level_form($value,$fieldname).
634: &relatedfield(0,$relatedsearchflag,$relatedsep);
635: }
636: return();
637: }
638: # Language
639: if ($type eq 'language') {
640: return &selectbox($fieldname,
641: $value,
642: \&Apache::loncommon::languagedescription,
643: (&Apache::loncommon::languageids)).
644: &relatedfield(0,$relatedsearchflag,$relatedsep);
645: }
646: # Copyright
647: if ($type eq 'copyright') {
648: return &selectbox($fieldname,
649: $value,
650: \&Apache::loncommon::copyrightdescription,
651: (&Apache::loncommon::copyrightids)).
652: &relatedfield(0,$relatedsearchflag,$relatedsep);
653: }
654: # Source Copyright
655: if ($type eq 'sourceavail') {
656: return &selectbox($fieldname,
657: $value,
658: \&Apache::loncommon::source_copyrightdescription,
659: (&Apache::loncommon::source_copyrightids)).
660: &relatedfield(0,$relatedsearchflag,$relatedsep);
661: }
662: # Gradelevels
663: if (($type eq 'lowestgradelevel') ||
664: ($type eq 'highestgradelevel')) {
665: return &Apache::loncommon::select_level_form($value,$fieldname).
666: &relatedfield(0,$relatedsearchflag,$relatedsep);
667: }
668: # Obsolete
669: if ($type eq 'obsolete') {
670: return '<input type="checkbox" name="'.$fieldname.'"'.
671: ($value?' checked="1"':'').' />'.
672: &relatedfield(0,$relatedsearchflag,$relatedsep);
673: }
674: # Obsolete replacement file
675: if ($type eq 'obsoletereplacement') {
676: return '<input type="text" name="'.$fieldname.
677: '" size="60" value="'.$value.'" /><a href="javascript:openbrowser'.
678: "('".$formname."','".$fieldname."'".
679: ",'')\">".&mt('Select').'</a>'.
680: &relatedfield(0,$relatedsearchflag,$relatedsep);
681: }
682: # Customdistribution file
683: if ($type eq 'customdistributionfile') {
684: return '<input type="text" name="'.$fieldname.
685: '" size="60" value="'.$value.'" /><a href="javascript:openbrowser'.
686: "('".$formname."','".$fieldname."'".
687: ",'rights')\">".&mt('Select').'</a>'.
688: &relatedfield(0,$relatedsearchflag,$relatedsep);
689: }
690: # Source Customdistribution file
691: if ($type eq 'sourcerights') {
692: return '<input type="text" name="'.$fieldname.
693: '" size="60" value="'.$value.'" /><a href="javascript:openbrowser'.
694: "('".$formname."','".$fieldname."'".
695: ",'rights')\">".&mt('Select').'</a>'.
696: &relatedfield(0,$relatedsearchflag,$relatedsep);
697: }
698: if ($type eq 'courserestricted') {
699: return (&select_course());
700: #return ('<input type="hidden" name="new_courserestricted" value="'.$course_key.'" />');
701: }
702:
703: # Dates
704: if (($type eq 'creationdate') ||
705: ($type eq 'lastrevisiondate')) {
706: return
707: &Apache::lonhtmlcommon::date_setter($formname,$fieldname,$value).
708: &relatedfield(0,$relatedsearchflag,$relatedsep);
709: }
710: # No pretty input found
711: $value=~s/^\s+//gs;
712: $value=~s/\s+$//gs;
713: $value=~s/\s+/ /gs;
714: $value=~s/\"/\"\;/gs;
715: return
716: '<input type="text" name="'.$fieldname.'" size="'.$size.'" '.
717: 'value="'.$value.'" />'.
718: &relatedfield(1,$relatedsearchflag,$relatedsep,$fieldname,
719: $relatedvalue);
720: }
721:
722: # Main Handler
723: sub handler {
724: my $r=shift;
725: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
726: ['currentpath','changecourse']);
727: my $uri=$r->uri;
728: #
729: # Set document type
730: &Apache::loncommon::content_type($r,'text/html');
731: $r->send_http_header;
732: return OK if $r->header_only;
733: my ($resdomain,$resuser)=
734: (&Apache::lonnet::declutter($uri)=~/^($match_domain)\/($match_username)\//);
735: if ($uri=~m:/adm/bombs/(.*)$:) {
736: $r->print(&Apache::loncommon::start_page('Error Messages'));
737: # Looking for all bombs?
738: &report_bombs($r,$uri);
739: } elsif ($uri=~m|^/editupload/[^/]+/[^/]+/portfolio/|) {
740: ($resdomain,$resuser)=
741: (&Apache::lonnet::declutter($uri)=~m|^($match_domain)/($match_name)/portfolio|);
742: $r->print(&Apache::loncommon::start_page('Edit Portfolio File Catalog Information',
743: undef,
744: {'domain' => $resdomain,}));
745: if ($env{'form.store'}) {
746: &present_editable_metadata($r,$uri,'portfolio');
747: } else {
748: my $fn=&Apache::lonnet::filelocation('',$uri);
749: %Apache::lonpublisher::metadatafields=();
750: %Apache::lonpublisher::metadatakeys=();
751: my $result=&Apache::lonnet::getfile($fn);
752: &Apache::lonpublisher::metaeval($result);
753: &Apache::lonnet::logthis("restricted is: ".$Apache::lonpublisher::metadatafields{'courserestricted'});
754: if ((!$Apache::lonpublisher::metadatafields{'courserestricted'}) ||
755: ($env{'form.changecourse'} eq 'true')) {
756: &pre_select_course($r,$uri);
757: } else {
758: &present_editable_metadata($r,$uri,'portfolio');
759: }
760: }
761: } elsif ($uri=~m|^/editupload/[^/]+/[^/]+/groups/|) {
762: $r->print(&Apache::loncommon::start_page('Edit Group Portfolio File Catalog Information',
763: undef,
764: {'domain' => $resdomain,}));
765: &present_editable_metadata($r,$uri,'groups');
766: } elsif ($uri=~m|^/~|) {
767: # Construction space
768: $r->print(&Apache::loncommon::start_page('Edit Catalog nformation',
769: undef,
770: {'domain' => $resdomain,}));
771: &present_editable_metadata($r,$uri);
772: } else {
773: $r->print(&Apache::loncommon::start_page('Catalog Information',
774: undef,
775: {'domain' => $resdomain,}));
776: &present_uneditable_metadata($r,$uri);
777: }
778: $r->print(&Apache::loncommon::end_page());
779: return OK;
780: }
781:
782: #####################################################
783: #####################################################
784: ### ###
785: ### Report Bombs ###
786: ### ###
787: #####################################################
788: #####################################################
789: sub report_bombs {
790: my ($r,$uri) = @_;
791: # Set document type
792: $uri =~ s:/adm/bombs/::;
793: $uri = &Apache::lonnet::declutter($uri);
794: $r->print('<h1>'.&Apache::lonnet::clutter($uri).'</h1>');
795: my ($domain,$author)=($uri=~/^($match_domain)\/($match_username)\//);
796: if (&Apache::loncacc::constructaccess('/~'.$author.'/',$domain)) {
797: if ($env{'form.clearbombs'}) {
798: &Apache::lonmsg::clear_author_res_msg($uri);
799: }
800: my $clear=&mt('Clear all Messages in Subdirectory');
801: $r->print(<<ENDCLEAR);
802: <form method="post">
803: <input type="submit" name="clearbombs" value="$clear" />
804: </form>
805: ENDCLEAR
806: my %brokenurls =
807: &Apache::lonmsg::all_url_author_res_msg($author,$domain);
808: foreach (sort(keys(%brokenurls))) {
809: if ($_=~/^\Q$uri\E/) {
810: $r->print
811: ('<a href="'.&Apache::lonnet::clutter($_).'">'.$_.'</a>'.
812: &Apache::lonmsg::retrieve_author_res_msg($_).
813: '<hr />');
814: }
815: }
816: } else {
817: $r->print(&mt('Not authorized'));
818: }
819: return;
820: }
821:
822: #####################################################
823: #####################################################
824: ### ###
825: ### Uneditable Metadata Display ###
826: ### ###
827: #####################################################
828: #####################################################
829: sub present_uneditable_metadata {
830: my ($r,$uri) = @_;
831: #
832: my $uploaded = ($uri =~ m|/uploaded/|);
833: my %content=();
834: # Read file
835: foreach (split(/\,/,&Apache::lonnet::metadata($uri,'keys'))) {
836: $content{$_}=&Apache::lonnet::metadata($uri,$_);
837: }
838: # Render Output
839: # displayed url
840: my ($thisversion)=($uri=~/\.(\d+)\.(\w+)\.meta$/);
841: $uri=~s/\.meta$//;
842: my $disuri=&Apache::lonnet::clutter_with_no_wrapper($uri);
843: # version
844: my $versiondisplay='';
845: if (!$uploaded) {
846: my $currentversion=&Apache::lonnet::getversion($disuri);
847: if ($thisversion) {
848: $versiondisplay=&mt('Version').': '.$thisversion.
849: ' ('.&mt('most recent version').': '.
850: ($currentversion>0 ?
851: $currentversion :
852: &mt('information not available')).')';
853: } else {
854: $versiondisplay='Version: '.$currentversion;
855: }
856: }
857: # crumbify displayed URL uri target prefix form size
858: $disuri=&Apache::lonhtmlcommon::crumbs($disuri,undef, undef, undef,'+1');
859: $disuri =~ s:<br />::g;
860: # obsolete
861: my $obsolete=$content{'obsolete'};
862: my $obsoletewarning='';
863: if (($obsolete) && ($env{'user.adv'})) {
864: $obsoletewarning='<p><font color="red">'.
865: &mt('This resource has been marked obsolete by the author(s)').
866: '</font></p>';
867: }
868: #
869: my %lt=&fieldnames();
870: my $table='';
871: my $title = $content{'title'};
872: if (! defined($title)) {
873: $title = 'Untitled Resource';
874: }
875: my @fields;
876: if ($uploaded) {
877: @fields = ('title','author','subject','keywords','notes','abstract',
878: 'lowestgradelevel','highestgradelevel','standards','mime',
879: 'owner');
880: } else {
881: @fields = ('title',
882: 'author',
883: 'subject',
884: 'keywords',
885: 'notes',
886: 'abstract',
887: 'lowestgradelevel',
888: 'highestgradelevel',
889: 'standards',
890: 'mime',
891: 'language',
892: 'creationdate',
893: 'lastrevisiondate',
894: 'owner',
895: 'copyright',
896: 'customdistributionfile',
897: 'sourceavail',
898: 'sourcerights',
899: 'obsolete',
900: 'obsoletereplacement');
901: }
902: foreach my $field (@fields) {
903: $table.='<tr><td bgcolor="#AAAAAA">'.$lt{$field}.
904: '</td><td bgcolor="#CCCCCC">'.
905: &prettyprint($field,$content{$field}).'</td></tr>';
906: delete($content{$field});
907: }
908: #
909: $r->print(<<ENDHEAD);
910: <h2>$title</h2>
911: <p>
912: $disuri<br />
913: $obsoletewarning
914: $versiondisplay
915: </p>
916: <table cellspacing="2" border="0">
917: $table
918: </table>
919: ENDHEAD
920: if (!$uploaded && $env{'user.adv'}) {
921: &print_dynamic_metadata($r,$uri,\%content);
922: }
923: return;
924: }
925:
926: sub print_dynamic_metadata {
927: my ($r,$uri,$content) = @_;
928: #
929: my %content = %$content;
930: my %lt=&fieldnames();
931: #
932: my $description = 'Dynamic Metadata (updated periodically)';
933: $r->print('<h3>'.&mt($description).'</h3>'.
934: &mt('Processing'));
935: $r->rflush();
936: my %items=&fieldnames();
937: my %dynmeta=&dynamicmeta($uri);
938: #
939: # General Access and Usage Statistics
940: if (exists($dynmeta{'count'}) ||
941: exists($dynmeta{'sequsage'}) ||
942: exists($dynmeta{'comefrom'}) ||
943: exists($dynmeta{'goto'}) ||
944: exists($dynmeta{'course'})) {
945: $r->print('<h4>'.&mt('Access and Usage Statistics').'</h4>'.
946: '<table cellspacing="2" border="0">');
947: foreach ('count',
948: 'sequsage','sequsage_list',
949: 'comefrom','comefrom_list',
950: 'goto','goto_list',
951: 'course','course_list') {
952: $r->print('<tr><td bgcolor="#AAAAAA">'.$lt{$_}.'</td>'.
953: '<td bgcolor="#CCCCCC">'.
954: &prettyprint($_,$dynmeta{$_})."</td></tr>\n");
955: }
956: $r->print('</table>');
957: } else {
958: $r->print('<h4>'.&mt('No Access or Usages Statistics are available for this resource.').'</h4>');
959: }
960: #
961: # Assessment statistics
962: if ($uri=~/\.(problem|exam|quiz|assess|survey|form)$/) {
963: if (exists($dynmeta{'stdno'}) ||
964: exists($dynmeta{'avetries'}) ||
965: exists($dynmeta{'difficulty'}) ||
966: exists($dynmeta{'disc'})) {
967: # This is an assessment, print assessment data
968: $r->print('<h4>'.
969: &mt('Overall Assessment Statistical Data').
970: '</h4>'.
971: '<table cellspacing="2" border="0">');
972: $r->print('<tr><td bgcolor="#AAAAAA">'.$lt{'stdno'}.'</td>'.
973: '<td bgcolor="#CCCCCC">'.
974: &prettyprint('stdno',$dynmeta{'stdno'}).
975: '</td>'."</tr>\n");
976: foreach ('avetries','difficulty','disc') {
977: $r->print('<tr><td bgcolor="#AAAAAA">'.$lt{$_}.'</td>'.
978: '<td bgcolor="#CCCCCC">'.
979: &prettyprint($_,sprintf('%5.2f',$dynmeta{$_})).
980: '</td>'."</tr>\n");
981: }
982: $r->print('</table>');
983: }
984: if (exists($dynmeta{'stats'})) {
985: #
986: # New assessment statistics
987: $r->print('<h4>'.
988: &mt('Detailed Assessment Statistical Data').
989: '</h4>');
990: my $table = '<table cellspacing="2" border="0">'.
991: '<tr>'.
992: '<th>Course</th>'.
993: '<th>Section(s)</th>'.
994: '<th>Num Students</th>'.
995: '<th>Mean Tries</th>'.
996: '<th>Degree of Difficulty</th>'.
997: '<th>Degree of Discrimination</th>'.
998: '<th>Time of computation</th>'.
999: '</tr>'.$/;
1000: foreach my $identifier (sort(keys(%{$dynmeta{'stats'}}))) {
1001: my $data = $dynmeta{'stats'}->{$identifier};
1002: my $course = $data->{'course'};
1003: my %courseinfo =
1004: &Apache::lonnet::coursedescription($course,
1005: {'one_time' => 1});
1006: if (! exists($courseinfo{'num'}) || $courseinfo{'num'} eq '') {
1007: &Apache::lonnet::logthis('lookup for '.$course.' failed');
1008: next;
1009: }
1010: $table .= '<tr>';
1011: $table .=
1012: '<td><nobr>'.$courseinfo{'description'}.'</nobr></td>';
1013: $table .=
1014: '<td align="right">'.$data->{'sections'}.'</td>';
1015: $table .=
1016: '<td align="right">'.$data->{'stdno'}.'</td>';
1017: foreach ('avetries','difficulty','disc') {
1018: $table .= '<td align="right">';
1019: if (exists($data->{$_})) {
1020: $table .= sprintf('%.2f',$data->{$_}).' ';
1021: } else {
1022: $table .= '';
1023: }
1024: $table .= '</td>';
1025: }
1026: $table .=
1027: '<td><nobr>'.
1028: &Apache::lonlocal::locallocaltime($data->{'timestamp'}).
1029: '</nobr></td>';
1030: $table .=
1031: '</tr>'.$/;
1032: }
1033: $table .= '</table>'.$/;
1034: $r->print($table);
1035: } else {
1036: $r->print('No new dynamic data found.');
1037: }
1038: } else {
1039: $r->print('<h4>'.
1040: &mt('No Assessment Statistical Data is available for this resource').
1041: '</h4>');
1042: }
1043:
1044: #
1045: #
1046: if (exists($dynmeta{'clear'}) ||
1047: exists($dynmeta{'depth'}) ||
1048: exists($dynmeta{'helpful'}) ||
1049: exists($dynmeta{'correct'}) ||
1050: exists($dynmeta{'technical'})){
1051: $r->print('<h4>'.&mt('Evaluation Data').'</h4>'.
1052: '<table cellspacing="2" border="0">');
1053: foreach ('clear','depth','helpful','correct','technical') {
1054: $r->print('<tr><td bgcolor="#AAAAAA">'.$lt{$_}.'</td>'.
1055: '<td bgcolor="#CCCCCC">'.
1056: &prettyprint($_,$dynmeta{$_})."</td></tr>\n");
1057: }
1058: $r->print('</table>');
1059: } else {
1060: $r->print('<h4>'.&mt('No Evaluation Data is available for this resource.').'</h4>');
1061: }
1062: $uri=~/^\/res\/($match_domain)\/($match_username)\//;
1063: if ((($env{'user.domain'} eq $1) && ($env{'user.name'} eq $2))
1064: || ($env{'user.role.ca./'.$1.'/'.$2})) {
1065: if (exists($dynmeta{'comments'})) {
1066: $r->print('<h4>'.&mt('Evaluation Comments').' ('.
1067: &mt('visible to author and co-authors only').
1068: ')</h4>'.
1069: '<blockquote>'.$dynmeta{'comments'}.'</blockquote>');
1070: } else {
1071: $r->print('<h4>'.&mt('There are no Evaluation Comments on this resource.').'</h4>');
1072: }
1073: my $bombs = &Apache::lonmsg::retrieve_author_res_msg($uri);
1074: if (defined($bombs) && $bombs ne '') {
1075: $r->print('<a name="bombs" /><h4>'.&mt('Error Messages').' ('.
1076: &mt('visible to author and co-authors only').')'.
1077: '</h4>'.$bombs);
1078: } else {
1079: $r->print('<h4>'.&mt('There are currently no Error Messages for this resource.').'</h4>');
1080: }
1081: }
1082: #
1083: # All other stuff
1084: $r->print('<h3>'.
1085: &mt('Additional Metadata (non-standard, parameters, exports)').
1086: '</h3><table border="0" cellspacing="1">');
1087: foreach (sort(keys(%content))) {
1088: my $name=$_;
1089: if ($name!~/\.display$/) {
1090: my $display=&Apache::lonnet::metadata($uri,
1091: $name.'.display');
1092: if (! $display) {
1093: $display=$name;
1094: };
1095: my $otherinfo='';
1096: foreach ('name','part','type','default') {
1097: if (defined(&Apache::lonnet::metadata($uri,
1098: $name.'.'.$_))) {
1099: $otherinfo.=' '.$_.'='.
1100: &Apache::lonnet::metadata($uri,
1101: $name.'.'.$_).'; ';
1102: }
1103: }
1104: $r->print('<tr><td bgcolor="#bbccbb"><font size="-1" color="#556655">'.$display.'</font></td><td bgcolor="#ccddcc"><font size="-1" color="#556655">'.$content{$name});
1105: if ($otherinfo) {
1106: $r->print(' ('.$otherinfo.')');
1107: }
1108: $r->print("</font></td></tr>\n");
1109: }
1110: }
1111: $r->print("</table>");
1112: return;
1113: }
1114:
1115:
1116:
1117: #####################################################
1118: #####################################################
1119: ### ###
1120: ### Editable metadata display ###
1121: ### ###
1122: #####################################################
1123: #####################################################
1124: sub present_editable_metadata {
1125: my ($r,$uri,$file_type) = @_;
1126: # Construction Space Call
1127: # Header
1128: my $disuri=$uri;
1129: my $fn=&Apache::lonnet::filelocation('',$uri);
1130: $disuri=~s{^/\~}{/priv/};
1131: $disuri=~s/\.meta$//;
1132: my $meta_uri = $disuri;
1133: my $path;
1134: if ($disuri =~ m|/portfolio/|) {
1135: ($disuri, $meta_uri, $path) = &portfolio_display_uri($disuri,1);
1136: }
1137: my $target=$uri;
1138: $target=~s{^/\~}{/res/$env{'request.role.domain'}/};
1139: $target=~s/\.meta$//;
1140: my $bombs=&Apache::lonmsg::retrieve_author_res_msg($target);
1141: if ($bombs) {
1142: my $showdel=1;
1143: if ($env{'form.delmsg'}) {
1144: if (&Apache::lonmsg::del_url_author_res_msg($target) eq 'ok') {
1145: $bombs=&mt('Messages deleted.');
1146: $showdel=0;
1147: } else {
1148: $bombs=&mt('Error deleting messages');
1149: }
1150: }
1151: if ($env{'form.clearmsg'}) {
1152: my $cleardir=$target;
1153: $cleardir=~s/\/[^\/]+$/\//;
1154: if (&Apache::lonmsg::clear_author_res_msg($cleardir) eq 'ok') {
1155: $bombs=&mt('Messages cleared.');
1156: $showdel=0;
1157: } else {
1158: $bombs=&mt('Error clearing messages');
1159: }
1160: }
1161: my $del=&mt('Delete Messages for this Resource');
1162: my $clear=&mt('Clear all Messages in Subdirectory');
1163: my $goback=&mt('Back to Source File');
1164: $r->print(<<ENDBOMBS);
1165: <h1>$disuri</h1>
1166: <form method="post" action="" name="defaultmeta">
1167: ENDBOMBS
1168: if ($showdel) {
1169: $r->print(<<ENDDEL);
1170: <input type="submit" name="delmsg" value="$del" />
1171: <input type="submit" name="clearmsg" value="$clear" />
1172: ENDDEL
1173: } else {
1174: $r->print('<a href="'.$disuri.'" />'.$goback.'</a>');
1175: }
1176: $r->print('<br />'.$bombs);
1177: } else {
1178: my $displayfile='Catalog Information for '.$disuri;
1179: if ($disuri=~/\/default$/) {
1180: my $dir=$disuri;
1181: $dir=~s/default$//;
1182: $displayfile=
1183: &mt('Default Cataloging Information for Directory').' '.
1184: $dir;
1185: }
1186: %Apache::lonpublisher::metadatafields=();
1187: %Apache::lonpublisher::metadatakeys=();
1188: my $result=&Apache::lonnet::getfile($fn);
1189: if ($result == -1){
1190: $r->print(&mt('Creating new file [_1]'),$meta_uri);
1191: } else {
1192: &Apache::lonpublisher::metaeval($result);
1193: }
1194: $r->print(<<ENDEDIT);
1195: <h1>$displayfile</h1>
1196: <form method="post" action="" name="defaultmeta">
1197: ENDEDIT
1198: $r->print('<script type="JavaScript">'.
1199: &Apache::loncommon::browser_and_searcher_javascript().
1200: '</script>');
1201: my %lt=&fieldnames($file_type);
1202: my $output;
1203: my @fields;
1204: my $added_metadata_fields;
1205: my @added_order;
1206: if ($file_type eq 'portfolio' || $file_type eq 'groups') {
1207: if(exists ($env{$Apache::lonpublisher::metadatafields{'courserestricted'}.'.metadata.fieldlist'})) {
1208: # retrieve fieldnames (in order) from the course restricted list
1209: @fields = (split(/,/,$env{$Apache::lonpublisher::metadatafields{'courserestricted'}.'.metadata.fieldlist'}));
1210: } else {
1211: # no saved field list, use default list
1212: @fields = ('author','title','subject','keywords','abstract',
1213: 'notes','lowestgradelevel',
1214: 'highestgradelevel','standards');
1215: $added_metadata_fields = &Apache::lonparmset::get_added_meta_fieldnames();
1216: if ($env{'course.'.$env{'request.course.id'}.'.metadata.addedorder'}) {
1217: @added_order = split(/,/,$env{'course.'.$env{'request.course.id'}.'.metadata.addedorder'});
1218: }
1219: $env{$Apache::lonpublisher::metadatafields{'courserestricted'}.'.metadata.fieldlist'} = join(",",@fields);
1220: }
1221: } else {
1222: @fields = ('author','title','subject','keywords','abstract','notes',
1223: 'copyright','customdistributionfile','language',
1224: 'standards',
1225: 'lowestgradelevel','highestgradelevel','sourceavail','sourcerights',
1226: 'obsolete','obsoletereplacement');
1227: }
1228: if ($file_type eq 'groups') {
1229: $Apache::lonpublisher::metadatafields{'courserestricted'}=
1230: 'course.'.$env{'request.course.id'};
1231: }
1232: if ((! $Apache::lonpublisher::metadatafields{'courserestricted'}) &&
1233: (! $env{'form.new_courserestricted'}) && (! $file_type eq 'groups')) {
1234: $Apache::lonpublisher::metadatafields{'courserestricted'}=
1235: 'none';
1236: } elsif ($env{'form.new_courserestricted'}) {
1237: $Apache::lonpublisher::metadatafields{'courserestricted'}=
1238: $env{'form.new_courserestricted'};
1239: }
1240: if (! $Apache::lonpublisher::metadatafields{'copyright'}) {
1241: $Apache::lonpublisher::metadatafields{'copyright'}=
1242: 'default';
1243: }
1244: if (($file_type eq 'portfolio') || ($file_type eq 'groups')) {
1245: if (! $Apache::lonpublisher::metadatafields{'mime'}) {
1246: ($Apache::lonpublisher::metadatafields{'mime'}) =
1247: ( $target=~/\.(\w+)$/ );
1248: }
1249: if (! $Apache::lonpublisher::metadatafields{'owner'}) {
1250: $Apache::lonpublisher::metadatafields{'owner'} =
1251: $env{'user.name'}.':'.$env{'user.domain'};
1252: }
1253:
1254: if ($Apache::lonpublisher::metadatafields{'courserestricted'} ne 'none') {
1255: $r->print(&mt('Associated with course [_1]',
1256: '<strong><a href="'.$uri.'?changecourse=true">'.
1257: $env{$Apache::lonpublisher::metadatafields{'courserestricted'}.
1258: ".description"}.
1259: '</a></strong>').'<br />');
1260: } else {
1261: $r->print('<a href="'.$uri.'?changecourse=true">This resource is not associated with a course.</a><br />');
1262: }
1263: }
1264: if (@added_order) {
1265: foreach my $field_name (@added_order) {
1266: push(@fields,$field_name);
1267: $lt{$field_name} = $$added_metadata_fields{$field_name};
1268: }
1269: } else {
1270: foreach my $field_name (keys(%$added_metadata_fields)) {
1271: push(@fields,$field_name);
1272: $lt{$field_name} = $$added_metadata_fields{$field_name};
1273: }
1274: }
1275: $output .= &Apache::loncommon::start_data_table();
1276: my $row_alt = 1;
1277: foreach my $field_name (@fields) {
1278: if (defined($env{'form.new_'.$field_name})) {
1279: $Apache::lonpublisher::metadatafields{$field_name}=
1280: join(',',&Apache::loncommon::get_env_multiple('form.new_'.$field_name));
1281: }
1282: if ($Apache::lonpublisher::metadatafields{'courserestricted'} ne 'none'
1283: && exists($env{$Apache::lonpublisher::metadatafields{'courserestricted'}.'.metadata.'.$field_name.'.options'})) {
1284: # handle restrictions here
1285: if ((($env{$Apache::lonpublisher::metadatafields{'courserestricted'}.'.metadata.'.$field_name.'.options'} =~ m/active/) ||
1286: ($field_name eq 'courserestricted'))&&
1287: (!($env{$Apache::lonpublisher::metadatafields{'courserestricted'}.'.metadata.'.$field_name.'.options'} =~ m/deleted/))){
1288:
1289: $output .= "\n".&Apache::loncommon::start_data_table_row();
1290: $output .= ('<td><span class="LC_metadata">'.$lt{$field_name}.':</span></td><td> '.
1291: &prettyinput($field_name,
1292: $Apache::lonpublisher::metadatafields{$field_name},
1293: 'new_'.$field_name,'defaultmeta',
1294: undef,undef,undef,undef,
1295: $Apache::lonpublisher::metadatafields{'courserestricted'}).'</td>');
1296: $output .= &Apache::loncommon::end_data_table_row();
1297: }
1298: } else {
1299:
1300: $output.=(&Apache::loncommon::start_data_table_row().'<td><span class="LC_metadata">'.$lt{$field_name}.':</span></td><td> '.
1301: &prettyinput($field_name,
1302: $Apache::lonpublisher::metadatafields{$field_name},
1303: 'new_'.$field_name,'defaultmeta').'</td>'.&Apache::loncommon::end_data_table_row());
1304:
1305: }
1306: }
1307: $output .= &Apache::loncommon::end_data_table();
1308: if ($env{'form.store'}) {
1309: my $mfh;
1310: my $formname='store';
1311: my $file_content;
1312: if (&Apache::loncommon::get_env_multiple('form.new_keywords')) {
1313: $Apache::lonpublisher::metadatafields{'keywords'} =
1314: join (',', &Apache::loncommon::get_env_multiple('form.new_keywords'));
1315: }
1316: foreach my $field (sort(keys(%Apache::lonpublisher::metadatafields))) {
1317: next if ($field =~ /\./);
1318: my $unikey=$field;
1319: $unikey=~/^([A-Za-z_]+)/;
1320: my $tag=$1;
1321: $tag=~tr/A-Z/a-z/;
1322: $file_content.= "\n\<$tag";
1323: foreach my $key (split(/\,/,
1324: $Apache::lonpublisher::metadatakeys{$unikey})
1325: ) {
1326: my $value=
1327: $Apache::lonpublisher::metadatafields{$unikey.'.'.$key};
1328: $value=~s/\"/\'\'/g;
1329: $file_content.=' '.$key.'="'.$value.'"' ;
1330: }
1331: $file_content.= '>'.
1332: &HTML::Entities::encode
1333: ($Apache::lonpublisher::metadatafields{$unikey},
1334: '<>&"').
1335: '</'.$tag.'>';
1336: }
1337: if ($fn =~ m|^$Apache::lonnet::perlvar{'lonDocRoot'}/userfiles|) {
1338: my ($path, $new_fn);
1339: if ($fn =~ m|$match_name/groups/\w+/portfolio/|) {
1340: ($path, $new_fn) = ($fn =~ m|/(groups/\w+/portfolio.*)/([^/]*)$|);
1341: } else {
1342: ($path, $new_fn) = ($fn =~ m|/(portfolio.*)/([^/]*)$|);
1343: }
1344: $r->print(&store_portfolio_metadata($formname,$file_content,$path,
1345: $new_fn));
1346: } else {
1347: if (! ($mfh=Apache::File->new('>'.$fn))) {
1348: $r->print('<p><font color="red">'.
1349: &mt('Could not write metadata').', '.
1350: &mt('FAIL').'</font></p>');
1351: } else {
1352: print $mfh ($file_content);
1353: $r->print('<p><font color="blue">'.&mt('Wrote Metadata').
1354: ' '.&Apache::lonlocal::locallocaltime(time).
1355: '</font></p>');
1356: }
1357: }
1358: }
1359: $r->print($output.'<br /><input type="submit" name="store" value="'.
1360: &mt('Store Catalog Information').'" />');
1361:
1362: if ($file_type eq 'portfolio') {
1363: my ($port_path,$group) = &get_port_path_and_group($uri);
1364: if ($group) {
1365: $r->print('<input type="hidden" name="group" value="'.$group.'" />');
1366: }
1367: $r->print('<input type="hidden" name="currentpath" value="'.$env{'form.currentpath'}.'" />');
1368: $r->print('</form><br /><br /><form method="post" action="'.$port_path.'">');
1369: if ($group) {
1370: $r->print('<input type="hidden" name="group" value="'.$group.'" />');
1371: }
1372: $r->print('<input type="hidden" name="currentpath" value="'.$path.'" />'.
1373: '<input type="submit" name="cancel" value="'.&mt('Discard Edits and Return to Portfolio').'" />');
1374: }
1375: }
1376:
1377: $r->print('</form>');
1378:
1379: return;
1380: }
1381:
1382: sub store_portfolio_metadata {
1383: my ($formname,$content,$path,$new_fn) = @_;
1384: $env{'form.'.$formname}=$content."\n";
1385: $env{'form.'.$formname.'.filename'}=$new_fn;
1386: my $result =&Apache::lonnet::userfileupload($formname,'',$path);
1387: if ($result =~ /(error|notfound)/) {
1388: return '<p><font color="red">'.
1389: &mt('Could not write metadata').', '.
1390: &mt('FAIL').'</font></p>';
1391: } else {
1392: return '<p><font color="blue">'.&mt('Wrote Metadata').
1393: ' '.&Apache::lonlocal::locallocaltime(time).'</font></p>';
1394: }
1395: }
1396:
1397: 1;
1398: __END__
1399:
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