1: # The LearningOnline Network with CAPA
2: # Metadata display handler
3: #
4: # $Id: lonmeta.pm,v 1.187 2006/11/20 18:54:55 banghart 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 lib '/home/httpd/lib/perl/';
43: use LONCAPA;
44:
45:
46: ############################################################
47: ############################################################
48: ##
49: ## &get_dynamic_metadata_from_sql($url)
50: ##
51: ## Queries sql database for dynamic metdata
52: ## Returns a hash of hashes, with keys of urls which match $url
53: ## Returned fields are given below.
54: ##
55: ## Examples:
56: ##
57: ## %DynamicMetadata = &Apache::lonmeta::get_dynmaic_metadata_from_sql
58: ## ('/res/msu/korte/');
59: ##
60: ## $DynamicMetadata{'/res/msu/korte/example.problem'}->{$field}
61: ##
62: ############################################################
63: ############################################################
64: sub get_dynamic_metadata_from_sql {
65: my ($url) = shift();
66: my ($authordom,$author)=($url=~m:^/res/(\w+)/(\w+)/:);
67: if (! defined($authordom)) {
68: $authordom = shift();
69: }
70: if (! defined($author)) {
71: $author = shift();
72: }
73: if (! defined($authordom) || ! defined($author)) {
74: return ();
75: }
76: my $query = 'SELECT * FROM metadata WHERE url LIKE "'.$url.'%"';
77: my $server = &Apache::lonnet::homeserver($author,$authordom);
78: my $reply = &Apache::lonnet::metadata_query($query,undef,undef,
79: ,[$server]);
80: return () if (! defined($reply) || ref($reply) ne 'HASH');
81: my $filename = $reply->{$server};
82: if (! defined($filename) || $filename =~ /^error/) {
83: return ();
84: }
85: my $max_time = time + 10; # wait 10 seconds for results at most
86: my %ReturnHash;
87: #
88: # Look for results
89: my $finished = 0;
90: while (! $finished && time < $max_time) {
91: my $datafile=$Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/'.$filename;
92: if (! -e "$datafile.end") { next; }
93: my $fh;
94: if (!($fh=Apache::File->new($datafile))) { next; }
95: while (my $result = <$fh>) {
96: chomp($result);
97: next if (! $result);
98: my %hash=&LONCAPA::lonmetadata::metadata_col_to_hash('metadata',
99: map { &unescape($_) } split(/\,/,$result));
100: foreach my $key (keys(%hash)) {
101: $ReturnHash{$hash{'url'}}->{$key}=$hash{$key};
102: }
103: }
104: $finished = 1;
105: }
106: #
107: return %ReturnHash;
108: }
109:
110:
111: # Fetch and evaluate dynamic metadata
112: sub dynamicmeta {
113: my $url=&Apache::lonnet::declutter(shift);
114: $url=~s/\.meta$//;
115: my ($adomain,$aauthor)=($url=~/^(\w+)\/(\w+)\//);
116: my $regexp=$url;
117: $regexp=~s/(\W)/\\$1/g;
118: $regexp='___'.$regexp.'___';
119: my %evaldata=&Apache::lonnet::dump('nohist_resevaldata',$adomain,
120: $aauthor,$regexp);
121: my %DynamicData = &LONCAPA::lonmetadata::process_reseval_data(\%evaldata);
122: my %Data = &LONCAPA::lonmetadata::process_dynamic_metadata($url,
123: \%DynamicData);
124: #
125: # Deal with 'count' separately
126: $Data{'count'} = &access_count($url,$aauthor,$adomain);
127: #
128: # Debugging code I will probably need later
129: if (0) {
130: &Apache::lonnet::logthis('Dynamic Metadata');
131: while(my($k,$v)=each(%Data)){
132: &Apache::lonnet::logthis(' "'.$k.'"=>"'.$v.'"');
133: }
134: &Apache::lonnet::logthis('-------------------');
135: }
136: return %Data;
137: }
138:
139: sub access_count {
140: my ($src,$author,$adomain) = @_;
141: my %countdata=&Apache::lonnet::dump('nohist_accesscount',$adomain,
142: $author,$src);
143: if (! exists($countdata{$src})) {
144: return &mt('Not Available');
145: } else {
146: return $countdata{$src};
147: }
148: }
149:
150: # Try to make an alt tag if there is none
151: sub alttag {
152: my ($base,$src)=@_;
153: my $fullpath=&Apache::lonnet::hreflocation($base,$src);
154: my $alttag=&Apache::lonnet::metadata($fullpath,'title').' '.
155: &Apache::lonnet::metadata($fullpath,'subject').' '.
156: &Apache::lonnet::metadata($fullpath,'abstract');
157: $alttag=~s/\s+/ /gs;
158: $alttag=~s/\"//gs;
159: $alttag=~s/\'//gs;
160: $alttag=~s/\s+$//gs;
161: $alttag=~s/^\s+//gs;
162: if ($alttag) {
163: return $alttag;
164: } else {
165: return &mt('No information available');
166: }
167: }
168:
169: # Author display
170: sub authordisplay {
171: my ($aname,$adom)=@_;
172: return &Apache::loncommon::aboutmewrapper
173: (&Apache::loncommon::plainname($aname,$adom),
174: $aname,$adom,'preview').' <tt>['.$aname.':'.$adom.']</tt>';
175: }
176:
177: # Pretty display
178: sub evalgraph {
179: my $value=shift;
180: if (! $value) {
181: return '';
182: }
183: my $val=int($value*10.+0.5)-10;
184: my $output='<table border="0" cellpadding="0" cellspacing="0"><tr>';
185: if ($val>=20) {
186: $output.='<td width="20" bgcolor="#555555">  </td>';
187: } else {
188: $output.='<td width="'.($val).'" bgcolor="#555555"> </td>'.
189: '<td width="'.(20-$val).'" bgcolor="#FF3333"> </td>';
190: }
191: $output.='<td bgcolor="#FFFF33"> </td>';
192: if ($val>20) {
193: $output.='<td width="'.($val-20).'" bgcolor="#33FF33"> </td>'.
194: '<td width="'.(40-$val).'" bgcolor="#555555"> </td>';
195: } else {
196: $output.='<td width="20" bgcolor="#555555">  </td>';
197: }
198: $output.='<td> ('.sprintf("%5.2f",$value).') </td></tr></table>';
199: return $output;
200: }
201:
202: sub diffgraph {
203: my $value=shift;
204: if (! $value) {
205: return '';
206: }
207: my $val=int(40.0*$value+0.5);
208: my @colors=('#FF9933','#EEAA33','#DDBB33','#CCCC33',
209: '#BBDD33','#CCCC33','#DDBB33','#EEAA33');
210: my $output='<table border="0" cellpadding="0" cellspacing="0"><tr>';
211: for (my $i=0;$i<8;$i++) {
212: if ($val>$i*5) {
213: $output.='<td width="5" bgcolor="'.$colors[$i].'"> </td>';
214: } else {
215: $output.='<td width="5" bgcolor="#555555"> </td>';
216: }
217: }
218: $output.='<td> ('.sprintf("%3.2f",$value).') </td></tr></table>';
219: return $output;
220: }
221:
222:
223: # The field names
224: sub fieldnames {
225: my $file_type=shift;
226: my %fields =
227: ('title' => 'Title',
228: 'author' =>'Author(s)',
229: 'authorspace' => 'Author Space',
230: 'modifyinguser' => 'Last Modifying User',
231: 'subject' => 'Subject',
232: 'standards' => 'Standards',
233: 'keywords' => 'Keyword(s)',
234: 'notes' => 'Notes',
235: 'abstract' => 'Abstract',
236: 'lowestgradelevel' => 'Lowest Grade Level',
237: 'highestgradelevel' => 'Highest Grade Level');
238:
239: if (! defined($file_type) || $file_type ne 'portfolio') {
240: %fields =
241: (%fields,
242: 'domain' => 'Domain',
243: 'mime' => 'MIME Type',
244: 'language' => 'Language',
245: 'creationdate' => 'Creation Date',
246: 'lastrevisiondate' => 'Last Revision Date',
247: 'owner' => 'Publisher/Owner',
248: 'copyright' => 'Copyright/Distribution',
249: 'customdistributionfile' => 'Custom Distribution File',
250: 'sourceavail' => 'Source Available',
251: 'sourcerights' => 'Source Custom Distribution File',
252: 'obsolete' => 'Obsolete',
253: 'obsoletereplacement' => 'Suggested Replacement for Obsolete File',
254: 'count' => 'Network-wide number of accesses (hits)',
255: 'course' => 'Network-wide number of courses using resource',
256: 'course_list' => 'Network-wide courses using resource',
257: 'sequsage' => 'Number of resources using or importing resource',
258: 'sequsage_list' => 'Resources using or importing resource',
259: 'goto' => 'Number of resources that follow this resource in maps',
260: 'goto_list' => 'Resources that follow this resource in maps',
261: 'comefrom' => 'Number of resources that lead up to this resource in maps',
262: 'comefrom_list' => 'Resources that lead up to this resource in maps',
263: 'clear' => 'Material presented in clear way',
264: 'depth' => 'Material covered with sufficient depth',
265: 'helpful' => 'Material is helpful',
266: 'correct' => 'Material appears to be correct',
267: 'technical' => 'Resource is technically correct',
268: 'avetries' => 'Average number of tries till solved',
269: 'stdno' => 'Total number of students who have worked on this problem',
270: 'difficulty' => 'Degree of difficulty',
271: 'disc' => 'Degree of discrimination',
272: 'dependencies' => 'Resources used by this resource',
273: );
274: }
275: return &Apache::lonlocal::texthash(%fields);
276: }
277:
278: sub portfolio_linked_path {
279: my ($path,$group,$port_path) = @_;
280:
281: my $start = 'portfolio';
282: if ($group) {
283: $start = "groups/$group/".$start;
284: }
285: my %anchor_fields = (
286: 'selectfile' => $start,
287: 'currentpath' => '/'
288: );
289: my $result = &Apache::portfolio::make_anchor($port_path,\%anchor_fields,$start);
290: my $fullpath = '/';
291: my (undef,@tree) = split('/',$path);
292: my $filename = pop(@tree);
293: foreach my $dir (@tree) {
294: $fullpath .= $dir.'/';
295: $result .= '/';
296: my %anchor_fields = (
297: 'selectfile' => $dir,
298: 'currentpath' => $fullpath
299: );
300: $result .= &Apache::portfolio::make_anchor($port_path,\%anchor_fields,$dir);
301: }
302: $result .= "/$filename";
303: return $result;
304: }
305:
306: sub get_port_path_and_group {
307: my ($uri)=@_;
308:
309: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
310: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
311:
312: my ($port_path,$group);
313: if ($uri =~ m{^/editupload/\Q$cdom\E/\Q$cnum\E/groups/}) {
314: $group = (split('/',$uri))[5];
315: $port_path = '/adm/coursegrp_portfolio';
316: } else {
317: $port_path = '/adm/portfolio';
318: }
319: if ($env{'form.group'} ne $group) {
320: $env{'form.group'} = $group;
321: }
322: return ($port_path,$group);
323: }
324:
325: sub portfolio_display_uri {
326: my ($uri,$as_links)=@_;
327:
328: my ($port_path,$group) = &get_port_path_and_group($uri);
329:
330: $uri =~ s|.*/(portfolio/.*)$|$1|;
331: my ($res_uri,$meta_uri) = ($uri,$uri);
332: if ($uri =~ /\.meta$/) {
333: $res_uri =~ s/\.meta//;
334: } else {
335: $meta_uri .= '.meta';
336: }
337:
338: my ($path) = ($res_uri =~ m|^portfolio(.*/)[^/]*$|);
339: if ($as_links) {
340: $res_uri = &portfolio_linked_path($res_uri,$group,$port_path);
341: $meta_uri = &portfolio_linked_path($meta_uri,$group,$port_path);
342: }
343: return ($res_uri,$meta_uri,$path);
344: }
345:
346: sub pre_select_course {
347: my ($r,$uri) = @_;
348: my $output;
349: my $fn=&Apache::lonnet::filelocation('',$uri);
350: my ($res_uri,$meta_uri,$path) = &portfolio_display_uri($uri);
351: %Apache::lonpublisher::metadatafields=();
352: %Apache::lonpublisher::metadatakeys=();
353: my $result=&Apache::lonnet::getfile($fn);
354: if ($result == -1){
355: $r->print(&mt('Creating new file [_1]'),$meta_uri);
356: } else {
357: &Apache::lonpublisher::metaeval($result);
358: }
359: $r->print('<hr /><form method="post" action="" >');
360: $r->print('<p>'.&mt('If you would like to associate this resource ([_1]) with a current or previous course, please select one from the list below, otherwise select, \'None\'','<tt>'.$res_uri.'</tt>').'</p>');
361: $output = &select_course();
362: $r->print($output.'<br /><input type="submit" name="store" value="'.
363: &mt('Associate Resource With Selected Course').'" />');
364: $r->print('<input type="hidden" name="currentpath" value="'.$env{'form.currentpath'}.'" />');
365: $r->print('<input type="hidden" name="associate" value="true" />');
366: $r->print('</form>');
367:
368: my ($port_path,$group) = &get_port_path_and_group($uri);
369: my $group_input;
370: if ($group) {
371: $group_input = '<input type="hidden" name="group" value="'.$group.'" />';
372: }
373: $r->print('<br /><br /><form method="post" action="'.$port_path.'">'.
374: '<input type="hidden" name="currentpath" value="'.$path.'" />'.
375: $group_input.
376: '<input type="submit" name="cancel" value="'.&mt('Cancel').'" />'.
377: '</form>');
378:
379: return;
380: }
381: sub select_course {
382: my $output=$/;
383: my $current_restriction=
384: $Apache::lonpublisher::metadatafields{'courserestricted'};
385: my $selected = ($current_restriction eq 'none' ? 'selected="selected"'
386: : '');
387:
388: $output .= '<select name="new_courserestricted" >';
389: $output .= '<option value="none" '.$selected.'>'.
390: &mt('None').'</option>'.$/;
391: my %courses;
392: foreach my $key (keys(%env)) {
393: if ($key !~ m/^course\.(.+)\.description$/) { next; }
394: my $cid = $1;
395: if ($env{$key} !~ /\S/) { next; }
396: $courses{$key} = $cid;
397: }
398: foreach my $key (sort { lc($env{$a}) cmp lc($env{$b}) } (keys(%courses))) {
399: my $cid = 'course.'.$courses{$key};
400: my $selected = ($current_restriction eq $cid ? 'selected="selected"'
401: : '');
402: if ($env{$key} !~ /\S/) { next; }
403: $output .= '<option value="'.$cid.'" '.$selected.'>';
404: $output .= $env{$key};
405: $output .= '</option>'.$/;
406: $selected = '';
407: }
408: $output .= '</select><br />';
409: return ($output);
410: }
411: # Pretty printing of metadata field
412:
413: sub prettyprint {
414: my ($type,$value,$target,$prefix,$form,$noformat)=@_;
415: # $target,$prefix,$form are optional and for filecrumbs only
416: if (! defined($value)) {
417: return ' ';
418: }
419: # Title
420: if ($type eq 'title') {
421: return '<font size="+1" face="arial">'.$value.'</font>';
422: }
423: # Dates
424: if (($type eq 'creationdate') ||
425: ($type eq 'lastrevisiondate')) {
426: return ($value?&Apache::lonlocal::locallocaltime(
427: &Apache::lonmysql::unsqltime($value)):
428: &mt('not available'));
429: }
430: # Language
431: if ($type eq 'language') {
432: return &Apache::loncommon::languagedescription($value);
433: }
434: # Copyright
435: if ($type eq 'copyright') {
436: return &Apache::loncommon::copyrightdescription($value);
437: }
438: # Copyright
439: if ($type eq 'sourceavail') {
440: return &Apache::loncommon::source_copyrightdescription($value);
441: }
442: # MIME
443: if ($type eq 'mime') {
444: return '<img src="'.&Apache::loncommon::icon($value).'" /> '.
445: &Apache::loncommon::filedescription($value);
446: }
447: # Person
448: if (($type eq 'author') ||
449: ($type eq 'owner') ||
450: ($type eq 'modifyinguser') ||
451: ($type eq 'authorspace')) {
452: $value=~s/(\w+)(\:|\@)(\w+)/&authordisplay($1,$3)/gse;
453: return $value;
454: }
455: # Gradelevel
456: if (($type eq 'lowestgradelevel') ||
457: ($type eq 'highestgradelevel')) {
458: return &Apache::loncommon::gradeleveldescription($value);
459: }
460: # Only for advance users below
461: if (! $env{'user.adv'}) {
462: return '<i>- '.&mt('not displayed').' -</i>';
463: }
464: # File
465: if (($type eq 'customdistributionfile') ||
466: ($type eq 'obsoletereplacement') ||
467: ($type eq 'goto_list') ||
468: ($type eq 'comefrom_list') ||
469: ($type eq 'sequsage_list') ||
470: ($type eq 'dependencies')) {
471: return '<font size="-1"><ul>'.join("\n",map {
472: my $url = &Apache::lonnet::clutter_with_no_wrapper($_);
473: my $title = &Apache::lonnet::gettitle($url);
474: if ($title eq '') {
475: $title = 'Untitled';
476: if ($url =~ /\.sequence$/) {
477: $title .= ' Sequence';
478: } elsif ($url =~ /\.page$/) {
479: $title .= ' Page';
480: } elsif ($url =~ /\.problem$/) {
481: $title .= ' Problem';
482: } elsif ($url =~ /\.html$/) {
483: $title .= ' HTML document';
484: } elsif ($url =~ m:/syllabus$:) {
485: $title .= ' Syllabus';
486: }
487: }
488: $_ = '<li>'.$title.' '.
489: &Apache::lonhtmlcommon::crumbs($url,$target,$prefix,$form,'-1',$noformat).
490: '</li>'
491: } split(/\s*\,\s*/,$value)).'</ul></font>';
492: }
493: # Evaluations
494: if (($type eq 'clear') ||
495: ($type eq 'depth') ||
496: ($type eq 'helpful') ||
497: ($type eq 'correct') ||
498: ($type eq 'technical')) {
499: return &evalgraph($value);
500: }
501: # Difficulty
502: if ($type eq 'difficulty' || $type eq 'disc') {
503: return &diffgraph($value);
504: }
505: # List of courses
506: if ($type=~/\_list/) {
507: my @Courses = split(/\s*\,\s*/,$value);
508: my $Str='<font size="-1"><ul>';
509: my %descriptions;
510: foreach my $course (@Courses) {
511: my %courseinfo =
512: &Apache::lonnet::coursedescription($course,
513: {'one_time' => 1});
514: if (! exists($courseinfo{'num'}) || $courseinfo{'num'} eq '') {
515: next;
516: }
517: $descriptions{join('\0',@courseinfo{'domain','description'})} .=
518: '<li><a href="/public/'.$courseinfo{'domain'}.'/'.
519: $courseinfo{'num'}.'/syllabus" target="preview">'.
520: $courseinfo{'description'}.' ('.$courseinfo{'domain'}.
521: ')</a></li>';
522: }
523: foreach my $course (sort {lc($a) cmp lc($b)} (keys(%descriptions))) {
524: $Str .= $descriptions{$course};
525: }
526:
527: return $Str.'</ul></font>';
528: }
529: # No pretty print found
530: return $value;
531: }
532:
533: # Pretty input of metadata field
534: sub direct {
535: return shift;
536: }
537:
538: sub selectbox {
539: my ($name,$value,$functionref,@idlist)=@_;
540: if (! defined($functionref)) {
541: $functionref=\&direct;
542: }
543: my $selout='<select name="'.$name.'">';
544: foreach (@idlist) {
545: $selout.='<option value=\''.$_.'\'';
546: if ($_ eq $value) {
547: $selout.=' selected>'.&{$functionref}($_).'</option>';
548: }
549: else {$selout.='>'.&{$functionref}($_).'</option>';}
550: }
551: return $selout.'</select>';
552: }
553:
554: sub relatedfield {
555: my ($show,$relatedsearchflag,$relatedsep,$fieldname,$relatedvalue)=@_;
556: if (! $relatedsearchflag) {
557: return '';
558: }
559: if (! defined($relatedsep)) {
560: $relatedsep=' ';
561: }
562: if (! $show) {
563: return $relatedsep.' ';
564: }
565: return $relatedsep.'<input type="checkbox" name="'.$fieldname.'_related"'.
566: ($relatedvalue?' checked="1"':'').' />';
567: }
568:
569: sub prettyinput {
570: my ($type,$value,$fieldname,$formname,
571: $relatedsearchflag,$relatedsep,$relatedvalue,$size,$course_key)=@_;
572: if (! defined($size)) {
573: $size = 80;
574: }
575: my $output;
576: if (defined($course_key)
577: && exists($env{$course_key.'.metadata.'.$type.'.options'})) {
578: my $stu_add;
579: my $only_one;
580: my %meta_options;
581: my @cur_values_inst;
582: my $cur_values_stu;
583: my $values = $env{$course_key.'.metadata.'.$type.'.values'};
584: if ($env{$course_key.'.metadata.'.$type.'.options'} =~ m/stuadd/) {
585: $stu_add = 'true';
586: }
587: if ($env{$course_key.'.metadata.'.$type.'.options'} =~ m/onlyone/) {
588: $only_one = 'true';
589: }
590: # need to take instructor values out of list where instructor and student
591: # values may be mixed.
592: if ($values) {
593: foreach my $item (split(/,/,$values)) {
594: $item =~ s/^\s+//;
595: $meta_options{$item} = $item;
596: }
597: foreach my $item (split(/,/,$value)) {
598: $item =~ s/^\s+//;
599: if ($meta_options{$item}) {
600: push(@cur_values_inst,$item);
601: } else {
602: $cur_values_stu .= $item.',';
603: }
604: }
605: } else {
606: $cur_values_stu = $value;
607: }
608: if ($type eq 'courserestricted') {
609: return (&select_course());
610: # return ('<input type="hidden" name="new_courserestricted" value="'.$course_key.'" />');
611: }
612: my $course = $env{'request.course.id'};
613: if (($type eq 'keywords') || ($type eq 'subject')
614: || ($type eq 'author')||($type eq 'notes')
615: || ($type eq 'abstract')|| ($type eq 'title')|| ($type eq 'standards')
616: || (exists($env{'course.'.$env{'request.course.id'}.'.metadata.'.$type.'.added'}))) {
617: if ($values) {
618: if ($only_one) {
619: $output .= (&Apache::loncommon::select_form($cur_values_inst[0],'new_'.$type,%meta_options));
620: } else {
621: $output .= (&Apache::loncommon::multiple_select_form('new_'.$type,\@cur_values_inst,undef,\%meta_options));
622: }
623: }
624: if ($stu_add) {
625: $output .= '<input type="text" name="'.$fieldname.'" size="'.$size.'" '.
626: 'value="'.$cur_values_stu.'" />'.
627: &relatedfield(1,$relatedsearchflag,$relatedsep,$fieldname,
628: $relatedvalue);
629: }
630: return ($output);
631: }
632: if (($type eq 'lowestgradelevel') ||
633: ($type eq 'highestgradelevel')) {
634: return &Apache::loncommon::select_level_form($value,$fieldname).
635: &relatedfield(0,$relatedsearchflag,$relatedsep);
636: }
637: return();
638: }
639: # Language
640: if ($type eq 'language') {
641: return &selectbox($fieldname,
642: $value,
643: \&Apache::loncommon::languagedescription,
644: (&Apache::loncommon::languageids)).
645: &relatedfield(0,$relatedsearchflag,$relatedsep);
646: }
647: # Copyright
648: if ($type eq 'copyright') {
649: return &selectbox($fieldname,
650: $value,
651: \&Apache::loncommon::copyrightdescription,
652: (&Apache::loncommon::copyrightids)).
653: &relatedfield(0,$relatedsearchflag,$relatedsep);
654: }
655: # Source Copyright
656: if ($type eq 'sourceavail') {
657: return &selectbox($fieldname,
658: $value,
659: \&Apache::loncommon::source_copyrightdescription,
660: (&Apache::loncommon::source_copyrightids)).
661: &relatedfield(0,$relatedsearchflag,$relatedsep);
662: }
663: # Gradelevels
664: if (($type eq 'lowestgradelevel') ||
665: ($type eq 'highestgradelevel')) {
666: return &Apache::loncommon::select_level_form($value,$fieldname).
667: &relatedfield(0,$relatedsearchflag,$relatedsep);
668: }
669: # Obsolete
670: if ($type eq 'obsolete') {
671: return '<input type="checkbox" name="'.$fieldname.'"'.
672: ($value?' checked="1"':'').' />'.
673: &relatedfield(0,$relatedsearchflag,$relatedsep);
674: }
675: # Obsolete replacement file
676: if ($type eq 'obsoletereplacement') {
677: return '<input type="text" name="'.$fieldname.
678: '" size="60" value="'.$value.'" /><a href="javascript:openbrowser'.
679: "('".$formname."','".$fieldname."'".
680: ",'')\">".&mt('Select').'</a>'.
681: &relatedfield(0,$relatedsearchflag,$relatedsep);
682: }
683: # Customdistribution file
684: if ($type eq 'customdistributionfile') {
685: return '<input type="text" name="'.$fieldname.
686: '" size="60" value="'.$value.'" /><a href="javascript:openbrowser'.
687: "('".$formname."','".$fieldname."'".
688: ",'rights')\">".&mt('Select').'</a>'.
689: &relatedfield(0,$relatedsearchflag,$relatedsep);
690: }
691: # Source Customdistribution file
692: if ($type eq 'sourcerights') {
693: return '<input type="text" name="'.$fieldname.
694: '" size="60" value="'.$value.'" /><a href="javascript:openbrowser'.
695: "('".$formname."','".$fieldname."'".
696: ",'rights')\">".&mt('Select').'</a>'.
697: &relatedfield(0,$relatedsearchflag,$relatedsep);
698: }
699: if ($type eq 'courserestricted') {
700: return (&select_course());
701: #return ('<input type="hidden" name="new_courserestricted" value="'.$course_key.'" />');
702: }
703:
704: # Dates
705: if (($type eq 'creationdate') ||
706: ($type eq 'lastrevisiondate')) {
707: return
708: &Apache::lonhtmlcommon::date_setter($formname,$fieldname,$value).
709: &relatedfield(0,$relatedsearchflag,$relatedsep);
710: }
711: # No pretty input found
712: $value=~s/^\s+//gs;
713: $value=~s/\s+$//gs;
714: $value=~s/\s+/ /gs;
715: $value=~s/\"/\"\;/gs;
716: return
717: '<input type="text" name="'.$fieldname.'" size="'.$size.'" '.
718: 'value="'.$value.'" />'.
719: &relatedfield(1,$relatedsearchflag,$relatedsep,$fieldname,
720: $relatedvalue);
721: }
722:
723: # Main Handler
724: sub handler {
725: my $r=shift;
726: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
727: ['currentpath']);
728: my $uri=$r->uri;
729: #
730: # Set document type
731: &Apache::loncommon::content_type($r,'text/html');
732: $r->send_http_header;
733: return OK if $r->header_only;
734: my ($resdomain,$resuser)=
735: (&Apache::lonnet::declutter($uri)=~/^(\w+)\/(\w+)\//);
736: if ($uri=~m:/adm/bombs/(.*)$:) {
737: $r->print(&Apache::loncommon::start_page('Error Messages'));
738: # Looking for all bombs?
739: &report_bombs($r,$uri);
740: } elsif ($uri=~m|^/editupload/[^/]+/[^/]+/portfolio/|) {
741: ($resdomain,$resuser)=
742: (&Apache::lonnet::declutter($uri)=~m|^(\w+)/(\w+)/portfolio|);
743: $r->print(&Apache::loncommon::start_page('Edit Portfolio File Catalog Information',
744: undef,
745: {'domain' => $resdomain,}));
746: if ($env{'form.store'}) {
747: &present_editable_metadata($r,$uri,'portfolio');
748: } else {
749: my $fn=&Apache::lonnet::filelocation('',$uri);
750: %Apache::lonpublisher::metadatafields=();
751: %Apache::lonpublisher::metadatakeys=();
752: my $result=&Apache::lonnet::getfile($fn);
753: &Apache::lonpublisher::metaeval($result);
754: &Apache::lonnet::logthis("restricted is: ".$Apache::lonpublisher::metadatafields{'courserestricted'});
755: if (!$Apache::lonpublisher::metadatafields{'courserestricted'}) {
756: &pre_select_course($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)=($uri=~/^(\w+)\/(\w+)\//);
796: if (&Apache::loncacc::constructaccess('/~'.$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: $uri=~/^\/res\/(\w+)\/(\w+)\//;
1063: if ((($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: $r->print(&mt('Associated with course [_1]','<strong>'.$env{$Apache::lonpublisher::metadatafields{'courserestricted'}.".description"}.
1256: '</strong>').'<br />');
1257: } else {
1258: $r->print("This resource is not associated with a course.<br />");
1259: }
1260: }
1261: if (@added_order) {
1262: foreach my $field_name (@added_order) {
1263: push(@fields,$field_name);
1264: $lt{$field_name} = $$added_metadata_fields{$field_name};
1265: }
1266: } else {
1267: foreach my $field_name (keys(%$added_metadata_fields)) {
1268: push(@fields,$field_name);
1269: $lt{$field_name} = $$added_metadata_fields{$field_name};
1270: }
1271: }
1272: $output.='<table>';
1273: my $row_alt = 1;
1274: foreach my $field_name (@fields) {
1275: # $row_alt = ($row_alt) ? 0 : 1;
1276: my $row_class = ($row_alt) ? ' class="LC_metadata_light" ' : ' class="LC_metadata_dark" ';
1277: if (defined($env{'form.new_'.$field_name})) {
1278: $Apache::lonpublisher::metadatafields{$field_name}=
1279: join(',',&Apache::loncommon::get_env_multiple('form.new_'.$field_name));
1280: }
1281: if ($Apache::lonpublisher::metadatafields{'courserestricted'} ne 'none'
1282: && exists($env{$Apache::lonpublisher::metadatafields{'courserestricted'}.'.metadata.'.$field_name.'.options'})) {
1283: # handle restrictions here
1284: if ((($env{$Apache::lonpublisher::metadatafields{'courserestricted'}.'.metadata.'.$field_name.'.options'} =~ m/active/) ||
1285: ($field_name eq 'courserestricted'))&&
1286: (!($env{$Apache::lonpublisher::metadatafields{'courserestricted'}.'.metadata.'.$field_name.'.options'} =~ m/deleted/))){
1287:
1288: $output.=("\n".'<tr '.$row_class.'><td><span class="LC_metadata">'.$lt{$field_name}.':</span></td><td> '.
1289: &prettyinput($field_name,
1290: $Apache::lonpublisher::metadatafields{$field_name},
1291: 'new_'.$field_name,'defaultmeta',
1292: undef,undef,undef,undef,
1293: $Apache::lonpublisher::metadatafields{'courserestricted'}).'</td></tr>'."\n");
1294: }
1295: } else {
1296:
1297: $output.=('<tr'.$row_class.'><td><span class="LC_metadata">'.$lt{$field_name}.':</span></td><td> '.
1298: &prettyinput($field_name,
1299: $Apache::lonpublisher::metadatafields{$field_name},
1300: 'new_'.$field_name,'defaultmeta').'</td></tr>');
1301:
1302: }
1303: }
1304: $output.='</table>';
1305: if ($env{'form.store'}) {
1306: my $mfh;
1307: my $formname='store';
1308: my $file_content;
1309: if (&Apache::loncommon::get_env_multiple('form.new_keywords')) {
1310: $Apache::lonpublisher::metadatafields{'keywords'} =
1311: join (',', &Apache::loncommon::get_env_multiple('form.new_keywords'));
1312: }
1313: foreach my $field (sort(keys(%Apache::lonpublisher::metadatafields))) {
1314: next if ($field =~ /\./);
1315: my $unikey=$field;
1316: $unikey=~/^([A-Za-z_]+)/;
1317: my $tag=$1;
1318: $tag=~tr/A-Z/a-z/;
1319: $file_content.= "\n\<$tag";
1320: foreach my $key (split(/\,/,
1321: $Apache::lonpublisher::metadatakeys{$unikey})
1322: ) {
1323: my $value=
1324: $Apache::lonpublisher::metadatafields{$unikey.'.'.$key};
1325: $value=~s/\"/\'\'/g;
1326: $file_content.=' '.$key.'="'.$value.'"' ;
1327: }
1328: $file_content.= '>'.
1329: &HTML::Entities::encode
1330: ($Apache::lonpublisher::metadatafields{$unikey},
1331: '<>&"').
1332: '</'.$tag.'>';
1333: }
1334: if ($fn =~ m|^$Apache::lonnet::perlvar{'lonDocRoot'}/userfiles|) {
1335: my ($path, $new_fn);
1336: if ($fn =~ m|\w+/groups/\w+/portfolio/|) {
1337: ($path, $new_fn) = ($fn =~ m|/(groups/\w+/portfolio.*)/([^/]*)$|);
1338: } else {
1339: ($path, $new_fn) = ($fn =~ m|/(portfolio.*)/([^/]*)$|);
1340: }
1341: $r->print(&store_portfolio_metadata($formname,$file_content,$path,
1342: $new_fn));
1343: } else {
1344: if (! ($mfh=Apache::File->new('>'.$fn))) {
1345: $r->print('<p><font color="red">'.
1346: &mt('Could not write metadata').', '.
1347: &mt('FAIL').'</font></p>');
1348: } else {
1349: print $mfh ($file_content);
1350: $r->print('<p><font color="blue">'.&mt('Wrote Metadata').
1351: ' '.&Apache::lonlocal::locallocaltime(time).
1352: '</font></p>');
1353: }
1354: }
1355: }
1356: $r->print($output.'<br /><input type="submit" name="store" value="'.
1357: &mt('Store Catalog Information').'" />');
1358:
1359: if ($file_type eq 'portfolio') {
1360: my ($port_path,$group) = &get_port_path_and_group($uri);
1361: if ($group) {
1362: $r->print('<input type="hidden" name="group" value="'.$group.'" />');
1363: }
1364: $r->print('<input type="hidden" name="currentpath" value="'.$env{'form.currentpath'}.'" />');
1365: $r->print('</form><br /><br /><form method="post" action="'.$port_path.'">');
1366: if ($group) {
1367: $r->print('<input type="hidden" name="group" value="'.$group.'" />');
1368: }
1369: $r->print('<input type="hidden" name="currentpath" value="'.$path.'" />'.
1370: '<input type="submit" name="cancel" value="'.&mt('Discard Edits and Return to Portfolio').'" />');
1371: }
1372: }
1373:
1374: $r->print('</form>');
1375:
1376: return;
1377: }
1378:
1379: sub store_portfolio_metadata {
1380: my ($formname,$content,$path,$new_fn) = @_;
1381: $env{'form.'.$formname}=$content."\n";
1382: $env{'form.'.$formname.'.filename'}=$new_fn;
1383: my $result =&Apache::lonnet::userfileupload($formname,'',$path);
1384: if ($result =~ /(error|notfound)/) {
1385: return '<p><font color="red">'.
1386: &mt('Could not write metadata').', '.
1387: &mt('FAIL').'</font></p>';
1388: } else {
1389: return '<p><font color="blue">'.&mt('Wrote Metadata').
1390: ' '.&Apache::lonlocal::locallocaltime(time).'</font></p>';
1391: }
1392: }
1393:
1394: 1;
1395: __END__
1396:
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