1: # The LearningOnline Network with CAPA
2: # Metadata display handler
3: #
4: # $Id: lonmeta.pm,v 1.188 2006/11/20 19:39:22 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','changecourse']);
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 ((!$Apache::lonpublisher::metadatafields{'courserestricted'}) ||
756: ($env{'form.changecourse'} eq 'true')) {
757: &pre_select_course($r,$uri);
758: } else {
759: &present_editable_metadata($r,$uri,'portfolio');
760: }
761: }
762: } elsif ($uri=~m|^/editupload/[^/]+/[^/]+/groups/|) {
763: $r->print(&Apache::loncommon::start_page('Edit Group Portfolio File Catalog Information',
764: undef,
765: {'domain' => $resdomain,}));
766: &present_editable_metadata($r,$uri,'groups');
767: } elsif ($uri=~m|^/~|) {
768: # Construction space
769: $r->print(&Apache::loncommon::start_page('Edit Catalog nformation',
770: undef,
771: {'domain' => $resdomain,}));
772: &present_editable_metadata($r,$uri);
773: } else {
774: $r->print(&Apache::loncommon::start_page('Catalog Information',
775: undef,
776: {'domain' => $resdomain,}));
777: &present_uneditable_metadata($r,$uri);
778: }
779: $r->print(&Apache::loncommon::end_page());
780: return OK;
781: }
782:
783: #####################################################
784: #####################################################
785: ### ###
786: ### Report Bombs ###
787: ### ###
788: #####################################################
789: #####################################################
790: sub report_bombs {
791: my ($r,$uri) = @_;
792: # Set document type
793: $uri =~ s:/adm/bombs/::;
794: $uri = &Apache::lonnet::declutter($uri);
795: $r->print('<h1>'.&Apache::lonnet::clutter($uri).'</h1>');
796: my ($domain,$author)=($uri=~/^(\w+)\/(\w+)\//);
797: if (&Apache::loncacc::constructaccess('/~'.$author.'/',$domain)) {
798: if ($env{'form.clearbombs'}) {
799: &Apache::lonmsg::clear_author_res_msg($uri);
800: }
801: my $clear=&mt('Clear all Messages in Subdirectory');
802: $r->print(<<ENDCLEAR);
803: <form method="post">
804: <input type="submit" name="clearbombs" value="$clear" />
805: </form>
806: ENDCLEAR
807: my %brokenurls =
808: &Apache::lonmsg::all_url_author_res_msg($author,$domain);
809: foreach (sort(keys(%brokenurls))) {
810: if ($_=~/^\Q$uri\E/) {
811: $r->print
812: ('<a href="'.&Apache::lonnet::clutter($_).'">'.$_.'</a>'.
813: &Apache::lonmsg::retrieve_author_res_msg($_).
814: '<hr />');
815: }
816: }
817: } else {
818: $r->print(&mt('Not authorized'));
819: }
820: return;
821: }
822:
823: #####################################################
824: #####################################################
825: ### ###
826: ### Uneditable Metadata Display ###
827: ### ###
828: #####################################################
829: #####################################################
830: sub present_uneditable_metadata {
831: my ($r,$uri) = @_;
832: #
833: my $uploaded = ($uri =~ m|/uploaded/|);
834: my %content=();
835: # Read file
836: foreach (split(/\,/,&Apache::lonnet::metadata($uri,'keys'))) {
837: $content{$_}=&Apache::lonnet::metadata($uri,$_);
838: }
839: # Render Output
840: # displayed url
841: my ($thisversion)=($uri=~/\.(\d+)\.(\w+)\.meta$/);
842: $uri=~s/\.meta$//;
843: my $disuri=&Apache::lonnet::clutter_with_no_wrapper($uri);
844: # version
845: my $versiondisplay='';
846: if (!$uploaded) {
847: my $currentversion=&Apache::lonnet::getversion($disuri);
848: if ($thisversion) {
849: $versiondisplay=&mt('Version').': '.$thisversion.
850: ' ('.&mt('most recent version').': '.
851: ($currentversion>0 ?
852: $currentversion :
853: &mt('information not available')).')';
854: } else {
855: $versiondisplay='Version: '.$currentversion;
856: }
857: }
858: # crumbify displayed URL uri target prefix form size
859: $disuri=&Apache::lonhtmlcommon::crumbs($disuri,undef, undef, undef,'+1');
860: $disuri =~ s:<br />::g;
861: # obsolete
862: my $obsolete=$content{'obsolete'};
863: my $obsoletewarning='';
864: if (($obsolete) && ($env{'user.adv'})) {
865: $obsoletewarning='<p><font color="red">'.
866: &mt('This resource has been marked obsolete by the author(s)').
867: '</font></p>';
868: }
869: #
870: my %lt=&fieldnames();
871: my $table='';
872: my $title = $content{'title'};
873: if (! defined($title)) {
874: $title = 'Untitled Resource';
875: }
876: my @fields;
877: if ($uploaded) {
878: @fields = ('title','author','subject','keywords','notes','abstract',
879: 'lowestgradelevel','highestgradelevel','standards','mime',
880: 'owner');
881: } else {
882: @fields = ('title',
883: 'author',
884: 'subject',
885: 'keywords',
886: 'notes',
887: 'abstract',
888: 'lowestgradelevel',
889: 'highestgradelevel',
890: 'standards',
891: 'mime',
892: 'language',
893: 'creationdate',
894: 'lastrevisiondate',
895: 'owner',
896: 'copyright',
897: 'customdistributionfile',
898: 'sourceavail',
899: 'sourcerights',
900: 'obsolete',
901: 'obsoletereplacement');
902: }
903: foreach my $field (@fields) {
904: $table.='<tr><td bgcolor="#AAAAAA">'.$lt{$field}.
905: '</td><td bgcolor="#CCCCCC">'.
906: &prettyprint($field,$content{$field}).'</td></tr>';
907: delete($content{$field});
908: }
909: #
910: $r->print(<<ENDHEAD);
911: <h2>$title</h2>
912: <p>
913: $disuri<br />
914: $obsoletewarning
915: $versiondisplay
916: </p>
917: <table cellspacing="2" border="0">
918: $table
919: </table>
920: ENDHEAD
921: if (!$uploaded && $env{'user.adv'}) {
922: &print_dynamic_metadata($r,$uri,\%content);
923: }
924: return;
925: }
926:
927: sub print_dynamic_metadata {
928: my ($r,$uri,$content) = @_;
929: #
930: my %content = %$content;
931: my %lt=&fieldnames();
932: #
933: my $description = 'Dynamic Metadata (updated periodically)';
934: $r->print('<h3>'.&mt($description).'</h3>'.
935: &mt('Processing'));
936: $r->rflush();
937: my %items=&fieldnames();
938: my %dynmeta=&dynamicmeta($uri);
939: #
940: # General Access and Usage Statistics
941: if (exists($dynmeta{'count'}) ||
942: exists($dynmeta{'sequsage'}) ||
943: exists($dynmeta{'comefrom'}) ||
944: exists($dynmeta{'goto'}) ||
945: exists($dynmeta{'course'})) {
946: $r->print('<h4>'.&mt('Access and Usage Statistics').'</h4>'.
947: '<table cellspacing="2" border="0">');
948: foreach ('count',
949: 'sequsage','sequsage_list',
950: 'comefrom','comefrom_list',
951: 'goto','goto_list',
952: 'course','course_list') {
953: $r->print('<tr><td bgcolor="#AAAAAA">'.$lt{$_}.'</td>'.
954: '<td bgcolor="#CCCCCC">'.
955: &prettyprint($_,$dynmeta{$_})."</td></tr>\n");
956: }
957: $r->print('</table>');
958: } else {
959: $r->print('<h4>'.&mt('No Access or Usages Statistics are available for this resource.').'</h4>');
960: }
961: #
962: # Assessment statistics
963: if ($uri=~/\.(problem|exam|quiz|assess|survey|form)$/) {
964: if (exists($dynmeta{'stdno'}) ||
965: exists($dynmeta{'avetries'}) ||
966: exists($dynmeta{'difficulty'}) ||
967: exists($dynmeta{'disc'})) {
968: # This is an assessment, print assessment data
969: $r->print('<h4>'.
970: &mt('Overall Assessment Statistical Data').
971: '</h4>'.
972: '<table cellspacing="2" border="0">');
973: $r->print('<tr><td bgcolor="#AAAAAA">'.$lt{'stdno'}.'</td>'.
974: '<td bgcolor="#CCCCCC">'.
975: &prettyprint('stdno',$dynmeta{'stdno'}).
976: '</td>'."</tr>\n");
977: foreach ('avetries','difficulty','disc') {
978: $r->print('<tr><td bgcolor="#AAAAAA">'.$lt{$_}.'</td>'.
979: '<td bgcolor="#CCCCCC">'.
980: &prettyprint($_,sprintf('%5.2f',$dynmeta{$_})).
981: '</td>'."</tr>\n");
982: }
983: $r->print('</table>');
984: }
985: if (exists($dynmeta{'stats'})) {
986: #
987: # New assessment statistics
988: $r->print('<h4>'.
989: &mt('Detailed Assessment Statistical Data').
990: '</h4>');
991: my $table = '<table cellspacing="2" border="0">'.
992: '<tr>'.
993: '<th>Course</th>'.
994: '<th>Section(s)</th>'.
995: '<th>Num Students</th>'.
996: '<th>Mean Tries</th>'.
997: '<th>Degree of Difficulty</th>'.
998: '<th>Degree of Discrimination</th>'.
999: '<th>Time of computation</th>'.
1000: '</tr>'.$/;
1001: foreach my $identifier (sort(keys(%{$dynmeta{'stats'}}))) {
1002: my $data = $dynmeta{'stats'}->{$identifier};
1003: my $course = $data->{'course'};
1004: my %courseinfo =
1005: &Apache::lonnet::coursedescription($course,
1006: {'one_time' => 1});
1007: if (! exists($courseinfo{'num'}) || $courseinfo{'num'} eq '') {
1008: &Apache::lonnet::logthis('lookup for '.$course.' failed');
1009: next;
1010: }
1011: $table .= '<tr>';
1012: $table .=
1013: '<td><nobr>'.$courseinfo{'description'}.'</nobr></td>';
1014: $table .=
1015: '<td align="right">'.$data->{'sections'}.'</td>';
1016: $table .=
1017: '<td align="right">'.$data->{'stdno'}.'</td>';
1018: foreach ('avetries','difficulty','disc') {
1019: $table .= '<td align="right">';
1020: if (exists($data->{$_})) {
1021: $table .= sprintf('%.2f',$data->{$_}).' ';
1022: } else {
1023: $table .= '';
1024: }
1025: $table .= '</td>';
1026: }
1027: $table .=
1028: '<td><nobr>'.
1029: &Apache::lonlocal::locallocaltime($data->{'timestamp'}).
1030: '</nobr></td>';
1031: $table .=
1032: '</tr>'.$/;
1033: }
1034: $table .= '</table>'.$/;
1035: $r->print($table);
1036: } else {
1037: $r->print('No new dynamic data found.');
1038: }
1039: } else {
1040: $r->print('<h4>'.
1041: &mt('No Assessment Statistical Data is available for this resource').
1042: '</h4>');
1043: }
1044:
1045: #
1046: #
1047: if (exists($dynmeta{'clear'}) ||
1048: exists($dynmeta{'depth'}) ||
1049: exists($dynmeta{'helpful'}) ||
1050: exists($dynmeta{'correct'}) ||
1051: exists($dynmeta{'technical'})){
1052: $r->print('<h4>'.&mt('Evaluation Data').'</h4>'.
1053: '<table cellspacing="2" border="0">');
1054: foreach ('clear','depth','helpful','correct','technical') {
1055: $r->print('<tr><td bgcolor="#AAAAAA">'.$lt{$_}.'</td>'.
1056: '<td bgcolor="#CCCCCC">'.
1057: &prettyprint($_,$dynmeta{$_})."</td></tr>\n");
1058: }
1059: $r->print('</table>');
1060: } else {
1061: $r->print('<h4>'.&mt('No Evaluation Data is available for this resource.').'</h4>');
1062: }
1063: $uri=~/^\/res\/(\w+)\/(\w+)\//;
1064: if ((($env{'user.domain'} eq $1) && ($env{'user.name'} eq $2))
1065: || ($env{'user.role.ca./'.$1.'/'.$2})) {
1066: if (exists($dynmeta{'comments'})) {
1067: $r->print('<h4>'.&mt('Evaluation Comments').' ('.
1068: &mt('visible to author and co-authors only').
1069: ')</h4>'.
1070: '<blockquote>'.$dynmeta{'comments'}.'</blockquote>');
1071: } else {
1072: $r->print('<h4>'.&mt('There are no Evaluation Comments on this resource.').'</h4>');
1073: }
1074: my $bombs = &Apache::lonmsg::retrieve_author_res_msg($uri);
1075: if (defined($bombs) && $bombs ne '') {
1076: $r->print('<a name="bombs" /><h4>'.&mt('Error Messages').' ('.
1077: &mt('visible to author and co-authors only').')'.
1078: '</h4>'.$bombs);
1079: } else {
1080: $r->print('<h4>'.&mt('There are currently no Error Messages for this resource.').'</h4>');
1081: }
1082: }
1083: #
1084: # All other stuff
1085: $r->print('<h3>'.
1086: &mt('Additional Metadata (non-standard, parameters, exports)').
1087: '</h3><table border="0" cellspacing="1">');
1088: foreach (sort(keys(%content))) {
1089: my $name=$_;
1090: if ($name!~/\.display$/) {
1091: my $display=&Apache::lonnet::metadata($uri,
1092: $name.'.display');
1093: if (! $display) {
1094: $display=$name;
1095: };
1096: my $otherinfo='';
1097: foreach ('name','part','type','default') {
1098: if (defined(&Apache::lonnet::metadata($uri,
1099: $name.'.'.$_))) {
1100: $otherinfo.=' '.$_.'='.
1101: &Apache::lonnet::metadata($uri,
1102: $name.'.'.$_).'; ';
1103: }
1104: }
1105: $r->print('<tr><td bgcolor="#bbccbb"><font size="-1" color="#556655">'.$display.'</font></td><td bgcolor="#ccddcc"><font size="-1" color="#556655">'.$content{$name});
1106: if ($otherinfo) {
1107: $r->print(' ('.$otherinfo.')');
1108: }
1109: $r->print("</font></td></tr>\n");
1110: }
1111: }
1112: $r->print("</table>");
1113: return;
1114: }
1115:
1116:
1117:
1118: #####################################################
1119: #####################################################
1120: ### ###
1121: ### Editable metadata display ###
1122: ### ###
1123: #####################################################
1124: #####################################################
1125: sub present_editable_metadata {
1126: my ($r,$uri,$file_type) = @_;
1127: # Construction Space Call
1128: # Header
1129: my $disuri=$uri;
1130: my $fn=&Apache::lonnet::filelocation('',$uri);
1131: $disuri=~s{^/\~}{/priv/};
1132: $disuri=~s/\.meta$//;
1133: my $meta_uri = $disuri;
1134: my $path;
1135: if ($disuri =~ m|/portfolio/|) {
1136: ($disuri, $meta_uri, $path) = &portfolio_display_uri($disuri,1);
1137: }
1138: my $target=$uri;
1139: $target=~s{^/\~}{/res/$env{'request.role.domain'}/};
1140: $target=~s/\.meta$//;
1141: my $bombs=&Apache::lonmsg::retrieve_author_res_msg($target);
1142: if ($bombs) {
1143: my $showdel=1;
1144: if ($env{'form.delmsg'}) {
1145: if (&Apache::lonmsg::del_url_author_res_msg($target) eq 'ok') {
1146: $bombs=&mt('Messages deleted.');
1147: $showdel=0;
1148: } else {
1149: $bombs=&mt('Error deleting messages');
1150: }
1151: }
1152: if ($env{'form.clearmsg'}) {
1153: my $cleardir=$target;
1154: $cleardir=~s/\/[^\/]+$/\//;
1155: if (&Apache::lonmsg::clear_author_res_msg($cleardir) eq 'ok') {
1156: $bombs=&mt('Messages cleared.');
1157: $showdel=0;
1158: } else {
1159: $bombs=&mt('Error clearing messages');
1160: }
1161: }
1162: my $del=&mt('Delete Messages for this Resource');
1163: my $clear=&mt('Clear all Messages in Subdirectory');
1164: my $goback=&mt('Back to Source File');
1165: $r->print(<<ENDBOMBS);
1166: <h1>$disuri</h1>
1167: <form method="post" action="" name="defaultmeta">
1168: ENDBOMBS
1169: if ($showdel) {
1170: $r->print(<<ENDDEL);
1171: <input type="submit" name="delmsg" value="$del" />
1172: <input type="submit" name="clearmsg" value="$clear" />
1173: ENDDEL
1174: } else {
1175: $r->print('<a href="'.$disuri.'" />'.$goback.'</a>');
1176: }
1177: $r->print('<br />'.$bombs);
1178: } else {
1179: my $displayfile='Catalog Information for '.$disuri;
1180: if ($disuri=~/\/default$/) {
1181: my $dir=$disuri;
1182: $dir=~s/default$//;
1183: $displayfile=
1184: &mt('Default Cataloging Information for Directory').' '.
1185: $dir;
1186: }
1187: %Apache::lonpublisher::metadatafields=();
1188: %Apache::lonpublisher::metadatakeys=();
1189: my $result=&Apache::lonnet::getfile($fn);
1190: if ($result == -1){
1191: $r->print(&mt('Creating new file [_1]'),$meta_uri);
1192: } else {
1193: &Apache::lonpublisher::metaeval($result);
1194: }
1195: $r->print(<<ENDEDIT);
1196: <h1>$displayfile</h1>
1197: <form method="post" action="" name="defaultmeta">
1198: ENDEDIT
1199: $r->print('<script type="JavaScript">'.
1200: &Apache::loncommon::browser_and_searcher_javascript().
1201: '</script>');
1202: my %lt=&fieldnames($file_type);
1203: my $output;
1204: my @fields;
1205: my $added_metadata_fields;
1206: my @added_order;
1207: if ($file_type eq 'portfolio' || $file_type eq 'groups') {
1208: if(exists ($env{$Apache::lonpublisher::metadatafields{'courserestricted'}.'.metadata.fieldlist'})) {
1209: # retrieve fieldnames (in order) from the course restricted list
1210: @fields = (split(/,/,$env{$Apache::lonpublisher::metadatafields{'courserestricted'}.'.metadata.fieldlist'}));
1211: } else {
1212: # no saved field list, use default list
1213: @fields = ('author','title','subject','keywords','abstract',
1214: 'notes','lowestgradelevel',
1215: 'highestgradelevel','standards');
1216: $added_metadata_fields = &Apache::lonparmset::get_added_meta_fieldnames();
1217: if ($env{'course.'.$env{'request.course.id'}.'.metadata.addedorder'}) {
1218: @added_order = split(/,/,$env{'course.'.$env{'request.course.id'}.'.metadata.addedorder'});
1219: }
1220: $env{$Apache::lonpublisher::metadatafields{'courserestricted'}.'.metadata.fieldlist'} = join(",",@fields);
1221: }
1222: } else {
1223: @fields = ('author','title','subject','keywords','abstract','notes',
1224: 'copyright','customdistributionfile','language',
1225: 'standards',
1226: 'lowestgradelevel','highestgradelevel','sourceavail','sourcerights',
1227: 'obsolete','obsoletereplacement');
1228: }
1229: if ($file_type eq 'groups') {
1230: $Apache::lonpublisher::metadatafields{'courserestricted'}=
1231: 'course.'.$env{'request.course.id'};
1232: }
1233: if ((! $Apache::lonpublisher::metadatafields{'courserestricted'}) &&
1234: (! $env{'form.new_courserestricted'}) && (! $file_type eq 'groups')) {
1235: $Apache::lonpublisher::metadatafields{'courserestricted'}=
1236: 'none';
1237: } elsif ($env{'form.new_courserestricted'}) {
1238: $Apache::lonpublisher::metadatafields{'courserestricted'}=
1239: $env{'form.new_courserestricted'};
1240: }
1241: if (! $Apache::lonpublisher::metadatafields{'copyright'}) {
1242: $Apache::lonpublisher::metadatafields{'copyright'}=
1243: 'default';
1244: }
1245: if (($file_type eq 'portfolio') || ($file_type eq 'groups')) {
1246: if (! $Apache::lonpublisher::metadatafields{'mime'}) {
1247: ($Apache::lonpublisher::metadatafields{'mime'}) =
1248: ( $target=~/\.(\w+)$/ );
1249: }
1250: if (! $Apache::lonpublisher::metadatafields{'owner'}) {
1251: $Apache::lonpublisher::metadatafields{'owner'} =
1252: $env{'user.name'}.':'.$env{'user.domain'};
1253: }
1254:
1255: if ($Apache::lonpublisher::metadatafields{'courserestricted'} ne 'none') {
1256: $r->print(&mt('Associated with course [_1]',
1257: '<strong><a href="'.$uri.'?changecourse=true">'.
1258: $env{$Apache::lonpublisher::metadatafields{'courserestricted'}.
1259: ".description"}.
1260: '</a></strong>').'<br />');
1261: } else {
1262: $r->print('<a href="'.$uri.'?changecourse=true">This resource is not associated with a course.</a><br />');
1263: }
1264: }
1265: if (@added_order) {
1266: foreach my $field_name (@added_order) {
1267: push(@fields,$field_name);
1268: $lt{$field_name} = $$added_metadata_fields{$field_name};
1269: }
1270: } else {
1271: foreach my $field_name (keys(%$added_metadata_fields)) {
1272: push(@fields,$field_name);
1273: $lt{$field_name} = $$added_metadata_fields{$field_name};
1274: }
1275: }
1276: $output.='<table>';
1277: my $row_alt = 1;
1278: foreach my $field_name (@fields) {
1279: # $row_alt = ($row_alt) ? 0 : 1;
1280: my $row_class = ($row_alt) ? ' class="LC_metadata_light" ' : ' class="LC_metadata_dark" ';
1281: if (defined($env{'form.new_'.$field_name})) {
1282: $Apache::lonpublisher::metadatafields{$field_name}=
1283: join(',',&Apache::loncommon::get_env_multiple('form.new_'.$field_name));
1284: }
1285: if ($Apache::lonpublisher::metadatafields{'courserestricted'} ne 'none'
1286: && exists($env{$Apache::lonpublisher::metadatafields{'courserestricted'}.'.metadata.'.$field_name.'.options'})) {
1287: # handle restrictions here
1288: if ((($env{$Apache::lonpublisher::metadatafields{'courserestricted'}.'.metadata.'.$field_name.'.options'} =~ m/active/) ||
1289: ($field_name eq 'courserestricted'))&&
1290: (!($env{$Apache::lonpublisher::metadatafields{'courserestricted'}.'.metadata.'.$field_name.'.options'} =~ m/deleted/))){
1291:
1292: $output.=("\n".'<tr '.$row_class.'><td><span class="LC_metadata">'.$lt{$field_name}.':</span></td><td> '.
1293: &prettyinput($field_name,
1294: $Apache::lonpublisher::metadatafields{$field_name},
1295: 'new_'.$field_name,'defaultmeta',
1296: undef,undef,undef,undef,
1297: $Apache::lonpublisher::metadatafields{'courserestricted'}).'</td></tr>'."\n");
1298: }
1299: } else {
1300:
1301: $output.=('<tr'.$row_class.'><td><span class="LC_metadata">'.$lt{$field_name}.':</span></td><td> '.
1302: &prettyinput($field_name,
1303: $Apache::lonpublisher::metadatafields{$field_name},
1304: 'new_'.$field_name,'defaultmeta').'</td></tr>');
1305:
1306: }
1307: }
1308: $output.='</table>';
1309: if ($env{'form.store'}) {
1310: my $mfh;
1311: my $formname='store';
1312: my $file_content;
1313: if (&Apache::loncommon::get_env_multiple('form.new_keywords')) {
1314: $Apache::lonpublisher::metadatafields{'keywords'} =
1315: join (',', &Apache::loncommon::get_env_multiple('form.new_keywords'));
1316: }
1317: foreach my $field (sort(keys(%Apache::lonpublisher::metadatafields))) {
1318: next if ($field =~ /\./);
1319: my $unikey=$field;
1320: $unikey=~/^([A-Za-z_]+)/;
1321: my $tag=$1;
1322: $tag=~tr/A-Z/a-z/;
1323: $file_content.= "\n\<$tag";
1324: foreach my $key (split(/\,/,
1325: $Apache::lonpublisher::metadatakeys{$unikey})
1326: ) {
1327: my $value=
1328: $Apache::lonpublisher::metadatafields{$unikey.'.'.$key};
1329: $value=~s/\"/\'\'/g;
1330: $file_content.=' '.$key.'="'.$value.'"' ;
1331: }
1332: $file_content.= '>'.
1333: &HTML::Entities::encode
1334: ($Apache::lonpublisher::metadatafields{$unikey},
1335: '<>&"').
1336: '</'.$tag.'>';
1337: }
1338: if ($fn =~ m|^$Apache::lonnet::perlvar{'lonDocRoot'}/userfiles|) {
1339: my ($path, $new_fn);
1340: if ($fn =~ m|\w+/groups/\w+/portfolio/|) {
1341: ($path, $new_fn) = ($fn =~ m|/(groups/\w+/portfolio.*)/([^/]*)$|);
1342: } else {
1343: ($path, $new_fn) = ($fn =~ m|/(portfolio.*)/([^/]*)$|);
1344: }
1345: $r->print(&store_portfolio_metadata($formname,$file_content,$path,
1346: $new_fn));
1347: } else {
1348: if (! ($mfh=Apache::File->new('>'.$fn))) {
1349: $r->print('<p><font color="red">'.
1350: &mt('Could not write metadata').', '.
1351: &mt('FAIL').'</font></p>');
1352: } else {
1353: print $mfh ($file_content);
1354: $r->print('<p><font color="blue">'.&mt('Wrote Metadata').
1355: ' '.&Apache::lonlocal::locallocaltime(time).
1356: '</font></p>');
1357: }
1358: }
1359: }
1360: $r->print($output.'<br /><input type="submit" name="store" value="'.
1361: &mt('Store Catalog Information').'" />');
1362:
1363: if ($file_type eq 'portfolio') {
1364: my ($port_path,$group) = &get_port_path_and_group($uri);
1365: if ($group) {
1366: $r->print('<input type="hidden" name="group" value="'.$group.'" />');
1367: }
1368: $r->print('<input type="hidden" name="currentpath" value="'.$env{'form.currentpath'}.'" />');
1369: $r->print('</form><br /><br /><form method="post" action="'.$port_path.'">');
1370: if ($group) {
1371: $r->print('<input type="hidden" name="group" value="'.$group.'" />');
1372: }
1373: $r->print('<input type="hidden" name="currentpath" value="'.$path.'" />'.
1374: '<input type="submit" name="cancel" value="'.&mt('Discard Edits and Return to Portfolio').'" />');
1375: }
1376: }
1377:
1378: $r->print('</form>');
1379:
1380: return;
1381: }
1382:
1383: sub store_portfolio_metadata {
1384: my ($formname,$content,$path,$new_fn) = @_;
1385: $env{'form.'.$formname}=$content."\n";
1386: $env{'form.'.$formname.'.filename'}=$new_fn;
1387: my $result =&Apache::lonnet::userfileupload($formname,'',$path);
1388: if ($result =~ /(error|notfound)/) {
1389: return '<p><font color="red">'.
1390: &mt('Could not write metadata').', '.
1391: &mt('FAIL').'</font></p>';
1392: } else {
1393: return '<p><font color="blue">'.&mt('Wrote Metadata').
1394: ' '.&Apache::lonlocal::locallocaltime(time).'</font></p>';
1395: }
1396: }
1397:
1398: 1;
1399: __END__
1400:
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