1: # The LearningOnline Network with CAPA
2: # Metadata display handler
3: #
4: # $Id: lonmeta.pm,v 1.176 2006/09/13 22:08:07 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 (! $result);
98: my %hash=&LONCAPA::lonmetadata::metadata_col_to_hash(map { &unescape($_) } split(/\,/,$result));
99: foreach my $key (keys(%hash)) {
100: $ReturnHash{$hash{'url'}}->{$key}=$hash{$key};
101: }
102: }
103: $finished = 1;
104: }
105: #
106: return %ReturnHash;
107: }
108:
109:
110: # Fetch and evaluate dynamic metadata
111: sub dynamicmeta {
112: my $url=&Apache::lonnet::declutter(shift);
113: $url=~s/\.meta$//;
114: my ($adomain,$aauthor)=($url=~/^(\w+)\/(\w+)\//);
115: my $regexp=$url;
116: $regexp=~s/(\W)/\\$1/g;
117: $regexp='___'.$regexp.'___';
118: my %evaldata=&Apache::lonnet::dump('nohist_resevaldata',$adomain,
119: $aauthor,$regexp);
120: my %DynamicData = &LONCAPA::lonmetadata::process_reseval_data(\%evaldata);
121: my %Data = &LONCAPA::lonmetadata::process_dynamic_metadata($url,
122: \%DynamicData);
123: #
124: # Deal with 'count' separately
125: $Data{'count'} = &access_count($url,$aauthor,$adomain);
126: #
127: # Debugging code I will probably need later
128: if (0) {
129: &Apache::lonnet::logthis('Dynamic Metadata');
130: while(my($k,$v)=each(%Data)){
131: &Apache::lonnet::logthis(' "'.$k.'"=>"'.$v.'"');
132: }
133: &Apache::lonnet::logthis('-------------------');
134: }
135: return %Data;
136: }
137:
138: sub access_count {
139: my ($src,$author,$adomain) = @_;
140: my %countdata=&Apache::lonnet::dump('nohist_accesscount',$adomain,
141: $author,$src);
142: if (! exists($countdata{$src})) {
143: return &mt('Not Available');
144: } else {
145: return $countdata{$src};
146: }
147: }
148:
149: # Try to make an alt tag if there is none
150: sub alttag {
151: my ($base,$src)=@_;
152: my $fullpath=&Apache::lonnet::hreflocation($base,$src);
153: my $alttag=&Apache::lonnet::metadata($fullpath,'title').' '.
154: &Apache::lonnet::metadata($fullpath,'subject').' '.
155: &Apache::lonnet::metadata($fullpath,'abstract');
156: $alttag=~s/\s+/ /gs;
157: $alttag=~s/\"//gs;
158: $alttag=~s/\'//gs;
159: $alttag=~s/\s+$//gs;
160: $alttag=~s/^\s+//gs;
161: if ($alttag) {
162: return $alttag;
163: } else {
164: return &mt('No information available');
165: }
166: }
167:
168: # Author display
169: sub authordisplay {
170: my ($aname,$adom)=@_;
171: return &Apache::loncommon::aboutmewrapper
172: (&Apache::loncommon::plainname($aname,$adom),
173: $aname,$adom,'preview').' <tt>['.$aname.':'.$adom.']</tt>';
174: }
175:
176: # Pretty display
177: sub evalgraph {
178: my $value=shift;
179: if (! $value) {
180: return '';
181: }
182: my $val=int($value*10.+0.5)-10;
183: my $output='<table border="0" cellpadding="0" cellspacing="0"><tr>';
184: if ($val>=20) {
185: $output.='<td width="20" bgcolor="#555555">  </td>';
186: } else {
187: $output.='<td width="'.($val).'" bgcolor="#555555"> </td>'.
188: '<td width="'.(20-$val).'" bgcolor="#FF3333"> </td>';
189: }
190: $output.='<td bgcolor="#FFFF33"> </td>';
191: if ($val>20) {
192: $output.='<td width="'.($val-20).'" bgcolor="#33FF33"> </td>'.
193: '<td width="'.(40-$val).'" bgcolor="#555555"> </td>';
194: } else {
195: $output.='<td width="20" bgcolor="#555555">  </td>';
196: }
197: $output.='<td> ('.sprintf("%5.2f",$value).') </td></tr></table>';
198: return $output;
199: }
200:
201: sub diffgraph {
202: my $value=shift;
203: if (! $value) {
204: return '';
205: }
206: my $val=int(40.0*$value+0.5);
207: my @colors=('#FF9933','#EEAA33','#DDBB33','#CCCC33',
208: '#BBDD33','#CCCC33','#DDBB33','#EEAA33');
209: my $output='<table border="0" cellpadding="0" cellspacing="0"><tr>';
210: for (my $i=0;$i<8;$i++) {
211: if ($val>$i*5) {
212: $output.='<td width="5" bgcolor="'.$colors[$i].'"> </td>';
213: } else {
214: $output.='<td width="5" bgcolor="#555555"> </td>';
215: }
216: }
217: $output.='<td> ('.sprintf("%3.2f",$value).') </td></tr></table>';
218: return $output;
219: }
220:
221:
222: # The field names
223: sub fieldnames {
224: my $file_type=shift;
225: my %fields =
226: ('title' => 'Title',
227: 'author' =>'Author(s)',
228: 'authorspace' => 'Author Space',
229: 'modifyinguser' => 'Last Modifying User',
230: 'subject' => 'Subject',
231: 'standards' => 'Standards',
232: 'keywords' => 'Keyword(s)',
233: 'notes' => 'Notes',
234: 'abstract' => 'Abstract',
235: 'lowestgradelevel' => 'Lowest Grade Level',
236: 'highestgradelevel' => 'Highest Grade Level');
237:
238: if (! defined($file_type) || $file_type ne 'portfolio') {
239: %fields =
240: (%fields,
241: 'domain' => 'Domain',
242: 'mime' => 'MIME Type',
243: 'language' => 'Language',
244: 'creationdate' => 'Creation Date',
245: 'lastrevisiondate' => 'Last Revision Date',
246: 'owner' => 'Publisher/Owner',
247: 'copyright' => 'Copyright/Distribution',
248: 'customdistributionfile' => 'Custom Distribution File',
249: 'sourceavail' => 'Source Available',
250: 'sourcerights' => 'Source Custom Distribution File',
251: 'obsolete' => 'Obsolete',
252: 'obsoletereplacement' => 'Suggested Replacement for Obsolete File',
253: 'count' => 'Network-wide number of accesses (hits)',
254: 'course' => 'Network-wide number of courses using resource',
255: 'course_list' => 'Network-wide courses using resource',
256: 'sequsage' => 'Number of resources using or importing resource',
257: 'sequsage_list' => 'Resources using or importing resource',
258: 'goto' => 'Number of resources that follow this resource in maps',
259: 'goto_list' => 'Resources that follow this resource in maps',
260: 'comefrom' => 'Number of resources that lead up to this resource in maps',
261: 'comefrom_list' => 'Resources that lead up to this resource in maps',
262: 'clear' => 'Material presented in clear way',
263: 'depth' => 'Material covered with sufficient depth',
264: 'helpful' => 'Material is helpful',
265: 'correct' => 'Material appears to be correct',
266: 'technical' => 'Resource is technically correct',
267: 'avetries' => 'Average number of tries till solved',
268: 'stdno' => 'Total number of students who have worked on this problem',
269: 'difficulty' => 'Degree of difficulty',
270: 'disc' => 'Degree of discrimination',
271: 'dependencies' => 'Resources used by this resource',
272: );
273: }
274: return &Apache::lonlocal::texthash(%fields);
275: }
276:
277: sub portfolio_linked_path {
278: my ($path,$group,$port_path) = @_;
279:
280: my $start = 'portfolio';
281: if ($group) {
282: $start = "groups/$group/".$start;
283: }
284: my %anchor_fields = (
285: 'selectfile' => $start,
286: 'currentpath' => '/'
287: );
288: my $result = &Apache::portfolio::make_anchor($port_path,\%anchor_fields,$start);
289: my $fullpath = '/';
290: my (undef,@tree) = split('/',$path);
291: my $filename = pop(@tree);
292: foreach my $dir (@tree) {
293: $fullpath .= $dir.'/';
294: $result .= '/';
295: my %anchor_fields = (
296: 'selectfile' => $dir,
297: 'currentpath' => $fullpath
298: );
299: $result .= &Apache::portfolio::make_anchor($port_path,\%anchor_fields,$dir);
300: }
301: $result .= "/$filename";
302: return $result;
303: }
304:
305: sub get_port_path_and_group {
306: my ($uri)=@_;
307:
308: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
309: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
310:
311: my ($port_path,$group);
312: if ($uri =~ m{^/editupload/\Q$cdom\E/\Q$cnum\E/groups/}) {
313: $group = (split('/',$uri))[5];
314: $port_path = '/adm/coursegrp_portfolio';
315: } else {
316: $port_path = '/adm/portfolio';
317: }
318: if ($env{'form.group'} ne $group) {
319: $env{'form.group'} = $group;
320: }
321: return ($port_path,$group);
322: }
323:
324: sub portfolio_display_uri {
325: my ($uri,$as_links)=@_;
326:
327: my ($port_path,$group) = &get_port_path_and_group($uri);
328:
329: $uri =~ s|.*/(portfolio/.*)$|$1|;
330: my ($res_uri,$meta_uri) = ($uri,$uri);
331: if ($uri =~ /\.meta$/) {
332: $res_uri =~ s/\.meta//;
333: } else {
334: $meta_uri .= '.meta';
335: }
336:
337: my ($path) = ($res_uri =~ m|^portfolio(.*/)[^/]*$|);
338: if ($as_links) {
339: $res_uri = &portfolio_linked_path($res_uri,$group,$port_path);
340: $meta_uri = &portfolio_linked_path($meta_uri,$group,$port_path);
341: }
342: return ($res_uri,$meta_uri,$path);
343: }
344:
345: sub pre_select_course {
346: my ($r,$uri) = @_;
347: my $output;
348: my $fn=&Apache::lonnet::filelocation('',$uri);
349: my ($res_uri,$meta_uri,$path) = &portfolio_display_uri($uri);
350: %Apache::lonpublisher::metadatafields=();
351: %Apache::lonpublisher::metadatakeys=();
352: my $result=&Apache::lonnet::getfile($fn);
353: if ($result == -1){
354: $r->print(&mt('Creating new file [_1]'),$meta_uri);
355: } else {
356: &Apache::lonpublisher::metaeval($result);
357: }
358: $r->print('<hr /><form method="post" action="" >');
359: $r->print('<p>'.&mt('If you would like to associate this resource ([_1]) with a current or previous course, please select one from the list below, otherwise select, \'None\'','<tt>'.$res_uri.'</tt>').'</p>');
360: $output = &select_course();
361: $r->print($output.'<br /><input type="submit" name="store" value="'.
362: &mt('Associate Resource With Selected Course').'" />');
363: $r->print('<input type="hidden" name="currentpath" value="'.$env{'form.currentpath'}.'" />');
364: $r->print('<input type="hidden" name="associate" value="true" />');
365: $r->print('</form>');
366:
367: my ($port_path,$group) = &get_port_path_and_group($uri);
368: my $group_input;
369: if ($group) {
370: $group_input = '<input type="hidden" name="group" value="'.$group.'" />';
371: }
372: $r->print('<br /><br /><form method="post" action="'.$port_path.'">'.
373: '<input type="hidden" name="currentpath" value="'.$path.'" />'.
374: $group_input.
375: '<input type="submit" name="cancel" value="'.&mt('Cancel').'" />'.
376: '</form>');
377:
378: return;
379: }
380: sub select_course {
381: my $output=$/;
382: my $current_restriction=
383: $Apache::lonpublisher::metadatafields{'courserestricted'};
384: my $selected = ($current_restriction eq 'none' ? 'selected="selected"'
385: : '');
386:
387: $output .= '<select name="new_courserestricted" >';
388: $output .= '<option value="none" '.$selected.'>'.
389: &mt('None').'</option>'.$/;
390: my %courses;
391: foreach my $key (keys(%env)) {
392: if ($key !~ m/^course\.(.+)\.description$/) { next; }
393: my $cid = $1;
394: if ($env{$key} !~ /\S/) { next; }
395: $courses{$key} = $cid;
396: }
397: foreach my $key (sort { lc($env{$a}) cmp lc($env{$b}) } (keys(%courses))) {
398: my $cid = 'course.'.$courses{$key};
399: my $selected = ($current_restriction eq $cid ? 'selected="selected"'
400: : '');
401: if ($env{$key} !~ /\S/) { next; }
402: $output .= '<option value="'.$cid.'" '.$selected.'>';
403: $output .= $env{$key};
404: $output .= '</option>'.$/;
405: $selected = '';
406: }
407: $output .= '</select><br />';
408: return ($output);
409: }
410: # Pretty printing of metadata field
411:
412: sub prettyprint {
413: my ($type,$value,$target,$prefix,$form,$noformat)=@_;
414: # $target,$prefix,$form are optional and for filecrumbs only
415: if (! defined($value)) {
416: return ' ';
417: }
418: # Title
419: if ($type eq 'title') {
420: return '<font size="+1" face="arial">'.$value.'</font>';
421: }
422: # Dates
423: if (($type eq 'creationdate') ||
424: ($type eq 'lastrevisiondate')) {
425: return ($value?&Apache::lonlocal::locallocaltime(
426: &Apache::lonmysql::unsqltime($value)):
427: &mt('not available'));
428: }
429: # Language
430: if ($type eq 'language') {
431: return &Apache::loncommon::languagedescription($value);
432: }
433: # Copyright
434: if ($type eq 'copyright') {
435: return &Apache::loncommon::copyrightdescription($value);
436: }
437: # Copyright
438: if ($type eq 'sourceavail') {
439: return &Apache::loncommon::source_copyrightdescription($value);
440: }
441: # MIME
442: if ($type eq 'mime') {
443: return '<img src="'.&Apache::loncommon::icon($value).'" /> '.
444: &Apache::loncommon::filedescription($value);
445: }
446: # Person
447: if (($type eq 'author') ||
448: ($type eq 'owner') ||
449: ($type eq 'modifyinguser') ||
450: ($type eq 'authorspace')) {
451: $value=~s/(\w+)(\:|\@)(\w+)/&authordisplay($1,$3)/gse;
452: return $value;
453: }
454: # Gradelevel
455: if (($type eq 'lowestgradelevel') ||
456: ($type eq 'highestgradelevel')) {
457: return &Apache::loncommon::gradeleveldescription($value);
458: }
459: # Only for advance users below
460: if (! $env{'user.adv'}) {
461: return '<i>- '.&mt('not displayed').' -</i>';
462: }
463: # File
464: if (($type eq 'customdistributionfile') ||
465: ($type eq 'obsoletereplacement') ||
466: ($type eq 'goto_list') ||
467: ($type eq 'comefrom_list') ||
468: ($type eq 'sequsage_list') ||
469: ($type eq 'dependencies')) {
470: return '<font size="-1"><ul>'.join("\n",map {
471: my $url = &Apache::lonnet::clutter($_);
472: my $title = &Apache::lonnet::gettitle($url);
473: if ($title eq '') {
474: $title = 'Untitled';
475: if ($url =~ /\.sequence$/) {
476: $title .= ' Sequence';
477: } elsif ($url =~ /\.page$/) {
478: $title .= ' Page';
479: } elsif ($url =~ /\.problem$/) {
480: $title .= ' Problem';
481: } elsif ($url =~ /\.html$/) {
482: $title .= ' HTML document';
483: } elsif ($url =~ m:/syllabus$:) {
484: $title .= ' Syllabus';
485: }
486: }
487: $_ = '<li>'.$title.' '.
488: &Apache::lonhtmlcommon::crumbs($url,$target,$prefix,$form,'-1',$noformat).
489: '</li>'
490: } split(/\s*\,\s*/,$value)).'</ul></font>';
491: }
492: # Evaluations
493: if (($type eq 'clear') ||
494: ($type eq 'depth') ||
495: ($type eq 'helpful') ||
496: ($type eq 'correct') ||
497: ($type eq 'technical')) {
498: return &evalgraph($value);
499: }
500: # Difficulty
501: if ($type eq 'difficulty' || $type eq 'disc') {
502: return &diffgraph($value);
503: }
504: # List of courses
505: if ($type=~/\_list/) {
506: my @Courses = split(/\s*\,\s*/,$value);
507: my $Str='<font size="-1"><ul>';
508: foreach my $course (@Courses) {
509: my %courseinfo =
510: &Apache::lonnet::coursedescription($course,
511: {'one_time' => 1});
512: if (! exists($courseinfo{'num'}) || $courseinfo{'num'} eq '') {
513: next;
514: }
515: $Str .= '<li><a href="/public/'.$courseinfo{'domain'}.'/'.
516: $courseinfo{'num'}.'/syllabus" target="preview">'.
517: $courseinfo{'description'}.'</a></li>';
518: }
519: return $Str.'</ul></font>';
520: }
521: # No pretty print found
522: return $value;
523: }
524:
525: # Pretty input of metadata field
526: sub direct {
527: return shift;
528: }
529:
530: sub selectbox {
531: my ($name,$value,$functionref,@idlist)=@_;
532: if (! defined($functionref)) {
533: $functionref=\&direct;
534: }
535: my $selout='<select name="'.$name.'">';
536: foreach (@idlist) {
537: $selout.='<option value=\''.$_.'\'';
538: if ($_ eq $value) {
539: $selout.=' selected>'.&{$functionref}($_).'</option>';
540: }
541: else {$selout.='>'.&{$functionref}($_).'</option>';}
542: }
543: return $selout.'</select>';
544: }
545:
546: sub relatedfield {
547: my ($show,$relatedsearchflag,$relatedsep,$fieldname,$relatedvalue)=@_;
548: if (! $relatedsearchflag) {
549: return '';
550: }
551: if (! defined($relatedsep)) {
552: $relatedsep=' ';
553: }
554: if (! $show) {
555: return $relatedsep.' ';
556: }
557: return $relatedsep.'<input type="checkbox" name="'.$fieldname.'_related"'.
558: ($relatedvalue?' checked="1"':'').' />';
559: }
560:
561: sub prettyinput {
562: my ($type,$value,$fieldname,$formname,
563: $relatedsearchflag,$relatedsep,$relatedvalue,$size,$course_key)=@_;
564: if (! defined($size)) {
565: $size = 80;
566: }
567: my $output;
568: if (defined($course_key)
569: && exists($env{$course_key.'.metadata.'.$type.'.options'})) {
570: my $stu_add;
571: my $only_one;
572: my %meta_options;
573: my @cur_values_inst;
574: my $cur_values_stu;
575: my $values = $env{$course_key.'.metadata.'.$type.'.values'};
576: if ($env{$course_key.'.metadata.'.$type.'.options'} =~ m/stuadd/) {
577: $stu_add = 'true';
578: }
579: if ($env{$course_key.'.metadata.'.$type.'.options'} =~ m/onlyone/) {
580: $only_one = 'true';
581: }
582: # need to take instructor values out of list where instructor and student
583: # values may be mixed.
584: if ($values) {
585: foreach my $item (split(/,/,$values)) {
586: $item =~ s/^\s+//;
587: $meta_options{$item} = $item;
588: }
589: foreach my $item (split(/,/,$value)) {
590: $item =~ s/^\s+//;
591: if ($meta_options{$item}) {
592: push(@cur_values_inst,$item);
593: } else {
594: $cur_values_stu .= $item.',';
595: }
596: }
597: } else {
598: $cur_values_stu = $value;
599: }
600: if ($type eq 'courserestricted') {
601: return (&select_course());
602: # return ('<input type="hidden" name="new_courserestricted" value="'.$course_key.'" />');
603: }
604: my $course = $env{'request.course.id'};
605: if (($type eq 'keywords') || ($type eq 'subject')
606: || ($type eq 'author')||($type eq 'notes')
607: || ($type eq 'abstract')|| ($type eq 'title')|| ($type eq 'standards')
608: || (exists($env{'course.'.$env{'request.course.id'}.'.metadata.'.$type.'.added'}))) {
609: if ($values) {
610: if ($only_one) {
611: $output .= (&Apache::loncommon::select_form($cur_values_inst[0],'new_'.$type,%meta_options));
612: } else {
613: $output .= (&Apache::loncommon::multiple_select_form('new_'.$type,\@cur_values_inst,undef,\%meta_options));
614: }
615: }
616: if ($stu_add) {
617: $output .= '<input type="text" name="'.$fieldname.'" size="'.$size.'" '.
618: 'value="'.$cur_values_stu.'" />'.
619: &relatedfield(1,$relatedsearchflag,$relatedsep,$fieldname,
620: $relatedvalue);
621: }
622: return ($output);
623: }
624: if (($type eq 'lowestgradelevel') ||
625: ($type eq 'highestgradelevel')) {
626: return &Apache::loncommon::select_level_form($value,$fieldname).
627: &relatedfield(0,$relatedsearchflag,$relatedsep);
628: }
629: return();
630: }
631: # Language
632: if ($type eq 'language') {
633: return &selectbox($fieldname,
634: $value,
635: \&Apache::loncommon::languagedescription,
636: (&Apache::loncommon::languageids)).
637: &relatedfield(0,$relatedsearchflag,$relatedsep);
638: }
639: # Copyright
640: if ($type eq 'copyright') {
641: return &selectbox($fieldname,
642: $value,
643: \&Apache::loncommon::copyrightdescription,
644: (&Apache::loncommon::copyrightids)).
645: &relatedfield(0,$relatedsearchflag,$relatedsep);
646: }
647: # Source Copyright
648: if ($type eq 'sourceavail') {
649: return &selectbox($fieldname,
650: $value,
651: \&Apache::loncommon::source_copyrightdescription,
652: (&Apache::loncommon::source_copyrightids)).
653: &relatedfield(0,$relatedsearchflag,$relatedsep);
654: }
655: # Gradelevels
656: if (($type eq 'lowestgradelevel') ||
657: ($type eq 'highestgradelevel')) {
658: return &Apache::loncommon::select_level_form($value,$fieldname).
659: &relatedfield(0,$relatedsearchflag,$relatedsep);
660: }
661: # Obsolete
662: if ($type eq 'obsolete') {
663: return '<input type="checkbox" name="'.$fieldname.'"'.
664: ($value?' checked="1"':'').' />'.
665: &relatedfield(0,$relatedsearchflag,$relatedsep);
666: }
667: # Obsolete replacement file
668: if ($type eq 'obsoletereplacement') {
669: return '<input type="text" name="'.$fieldname.
670: '" size="60" value="'.$value.'" /><a href="javascript:openbrowser'.
671: "('".$formname."','".$fieldname."'".
672: ",'')\">".&mt('Select').'</a>'.
673: &relatedfield(0,$relatedsearchflag,$relatedsep);
674: }
675: # Customdistribution file
676: if ($type eq 'customdistributionfile') {
677: return '<input type="text" name="'.$fieldname.
678: '" size="60" value="'.$value.'" /><a href="javascript:openbrowser'.
679: "('".$formname."','".$fieldname."'".
680: ",'rights')\">".&mt('Select').'</a>'.
681: &relatedfield(0,$relatedsearchflag,$relatedsep);
682: }
683: # Source Customdistribution file
684: if ($type eq 'sourcerights') {
685: return '<input type="text" name="'.$fieldname.
686: '" size="60" value="'.$value.'" /><a href="javascript:openbrowser'.
687: "('".$formname."','".$fieldname."'".
688: ",'rights')\">".&mt('Select').'</a>'.
689: &relatedfield(0,$relatedsearchflag,$relatedsep);
690: }
691: if ($type eq 'courserestricted') {
692: return (&select_course());
693: #return ('<input type="hidden" name="new_courserestricted" value="'.$course_key.'" />');
694: }
695:
696: # Dates
697: if (($type eq 'creationdate') ||
698: ($type eq 'lastrevisiondate')) {
699: return
700: &Apache::lonhtmlcommon::date_setter($formname,$fieldname,$value).
701: &relatedfield(0,$relatedsearchflag,$relatedsep);
702: }
703: # No pretty input found
704: $value=~s/^\s+//gs;
705: $value=~s/\s+$//gs;
706: $value=~s/\s+/ /gs;
707: $value=~s/\"/\"\;/gs;
708: return
709: '<input type="text" name="'.$fieldname.'" size="'.$size.'" '.
710: 'value="'.$value.'" />'.
711: &relatedfield(1,$relatedsearchflag,$relatedsep,$fieldname,
712: $relatedvalue);
713: }
714:
715: # Main Handler
716: sub handler {
717: my $r=shift;
718: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
719: ['currentpath']);
720: my $uri=$r->uri;
721: #
722: # Set document type
723: &Apache::loncommon::content_type($r,'text/html');
724: $r->send_http_header;
725: return OK if $r->header_only;
726: my ($resdomain,$resuser)=
727: (&Apache::lonnet::declutter($uri)=~/^(\w+)\/(\w+)\//);
728: if ($uri=~m:/adm/bombs/(.*)$:) {
729: $r->print(&Apache::loncommon::start_page('Error Messages'));
730: # Looking for all bombs?
731: &report_bombs($r,$uri);
732: } elsif ($uri=~m|^/editupload/[^/]+/[^/]+/portfolio/|) {
733: ($resdomain,$resuser)=
734: (&Apache::lonnet::declutter($uri)=~m|^(\w+)/(\w+)/portfolio|);
735: $r->print(&Apache::loncommon::start_page('Edit Portfolio File Catalog Information',
736: undef,
737: {'domain' => $resdomain,}));
738: if ($env{'form.store'}) {
739: &present_editable_metadata($r,$uri,'portfolio');
740: } else {
741: &pre_select_course($r,$uri);
742: }
743: } elsif ($uri=~m|^/editupload/[^/]+/[^/]+/groups/|) {
744: $r->print(&Apache::loncommon::start_page('Edit Group Portfolio File Catalog Information',
745: undef,
746: {'domain' => $resdomain,}));
747: &present_editable_metadata($r,$uri,'groups');
748: } elsif ($uri=~m|^/~|) {
749: # Construction space
750: $r->print(&Apache::loncommon::start_page('Edit Catalog nformation',
751: undef,
752: {'domain' => $resdomain,}));
753: &present_editable_metadata($r,$uri);
754: } else {
755: $r->print(&Apache::loncommon::start_page('Catalog Information',
756: undef,
757: {'domain' => $resdomain,}));
758: &present_uneditable_metadata($r,$uri);
759: }
760: $r->print(&Apache::loncommon::end_page());
761: return OK;
762: }
763:
764: #####################################################
765: #####################################################
766: ### ###
767: ### Report Bombs ###
768: ### ###
769: #####################################################
770: #####################################################
771: sub report_bombs {
772: my ($r,$uri) = @_;
773: # Set document type
774: $uri =~ s:/adm/bombs/::;
775: $uri = &Apache::lonnet::declutter($uri);
776: $r->print('<h1>'.&Apache::lonnet::clutter($uri).'</h1>');
777: my ($domain,$author)=($uri=~/^(\w+)\/(\w+)\//);
778: if (&Apache::loncacc::constructaccess('/~'.$author.'/',$domain)) {
779: if ($env{'form.clearbombs'}) {
780: &Apache::lonmsg::clear_author_res_msg($uri);
781: }
782: my $clear=&mt('Clear all Messages in Subdirectory');
783: $r->print(<<ENDCLEAR);
784: <form method="post">
785: <input type="submit" name="clearbombs" value="$clear" />
786: </form>
787: ENDCLEAR
788: my %brokenurls =
789: &Apache::lonmsg::all_url_author_res_msg($author,$domain);
790: foreach (sort(keys(%brokenurls))) {
791: if ($_=~/^\Q$uri\E/) {
792: $r->print
793: ('<a href="'.&Apache::lonnet::clutter($_).'">'.$_.'</a>'.
794: &Apache::lonmsg::retrieve_author_res_msg($_).
795: '<hr />');
796: }
797: }
798: } else {
799: $r->print(&mt('Not authorized'));
800: }
801: return;
802: }
803:
804: #####################################################
805: #####################################################
806: ### ###
807: ### Uneditable Metadata Display ###
808: ### ###
809: #####################################################
810: #####################################################
811: sub present_uneditable_metadata {
812: my ($r,$uri) = @_;
813: #
814: my $uploaded = ($uri =~ m|/uploaded/|);
815: my %content=();
816: # Read file
817: foreach (split(/\,/,&Apache::lonnet::metadata($uri,'keys'))) {
818: $content{$_}=&Apache::lonnet::metadata($uri,$_);
819: }
820: # Render Output
821: # displayed url
822: my ($thisversion)=($uri=~/\.(\d+)\.(\w+)\.meta$/);
823: $uri=~s/\.meta$//;
824: my $disuri=&Apache::lonnet::clutter($uri);
825: $disuri=~s/^\/adm\/wrapper//;
826: # version
827: my $versiondisplay='';
828: if (!$uploaded) {
829: my $currentversion=&Apache::lonnet::getversion($disuri);
830: if ($thisversion) {
831: $versiondisplay=&mt('Version').': '.$thisversion.
832: ' ('.&mt('most recent version').': '.
833: ($currentversion>0 ?
834: $currentversion :
835: &mt('information not available')).')';
836: } else {
837: $versiondisplay='Version: '.$currentversion;
838: }
839: }
840: # crumbify displayed URL uri target prefix form size
841: $disuri=&Apache::lonhtmlcommon::crumbs($disuri,undef, undef, undef,'+1');
842: $disuri =~ s:<br />::g;
843: # obsolete
844: my $obsolete=$content{'obsolete'};
845: my $obsoletewarning='';
846: if (($obsolete) && ($env{'user.adv'})) {
847: $obsoletewarning='<p><font color="red">'.
848: &mt('This resource has been marked obsolete by the author(s)').
849: '</font></p>';
850: }
851: #
852: my %lt=&fieldnames();
853: my $table='';
854: my $title = $content{'title'};
855: if (! defined($title)) {
856: $title = 'Untitled Resource';
857: }
858: my @fields;
859: if ($uploaded) {
860: @fields = ('title','author','subject','keywords','notes','abstract',
861: 'lowestgradelevel','highestgradelevel','standards','mime',
862: 'owner');
863: } else {
864: @fields = ('title',
865: 'author',
866: 'subject',
867: 'keywords',
868: 'notes',
869: 'abstract',
870: 'lowestgradelevel',
871: 'highestgradelevel',
872: 'standards',
873: 'mime',
874: 'language',
875: 'creationdate',
876: 'lastrevisiondate',
877: 'owner',
878: 'copyright',
879: 'customdistributionfile',
880: 'sourceavail',
881: 'sourcerights',
882: 'obsolete',
883: 'obsoletereplacement');
884: }
885: foreach my $field (@fields) {
886: $table.='<tr><td bgcolor="#AAAAAA">'.$lt{$field}.
887: '</td><td bgcolor="#CCCCCC">'.
888: &prettyprint($field,$content{$field}).'</td></tr>';
889: delete($content{$field});
890: }
891: #
892: $r->print(<<ENDHEAD);
893: <h2>$title</h2>
894: <p>
895: $disuri<br />
896: $obsoletewarning
897: $versiondisplay
898: </p>
899: <table cellspacing="2" border="0">
900: $table
901: </table>
902: ENDHEAD
903: if (!$uploaded && $env{'user.adv'}) {
904: &print_dynamic_metadata($r,$uri,\%content);
905: }
906: return;
907: }
908:
909: sub print_dynamic_metadata {
910: my ($r,$uri,$content) = @_;
911: #
912: my %content = %$content;
913: my %lt=&fieldnames();
914: #
915: my $description = 'Dynamic Metadata (updated periodically)';
916: $r->print('<h3>'.&mt($description).'</h3>'.
917: &mt('Processing'));
918: $r->rflush();
919: my %items=&fieldnames();
920: my %dynmeta=&dynamicmeta($uri);
921: #
922: # General Access and Usage Statistics
923: if (exists($dynmeta{'count'}) ||
924: exists($dynmeta{'sequsage'}) ||
925: exists($dynmeta{'comefrom'}) ||
926: exists($dynmeta{'goto'}) ||
927: exists($dynmeta{'course'})) {
928: $r->print('<h4>'.&mt('Access and Usage Statistics').'</h4>'.
929: '<table cellspacing="2" border="0">');
930: foreach ('count',
931: 'sequsage','sequsage_list',
932: 'comefrom','comefrom_list',
933: 'goto','goto_list',
934: 'course','course_list') {
935: $r->print('<tr><td bgcolor="#AAAAAA">'.$lt{$_}.'</td>'.
936: '<td bgcolor="#CCCCCC">'.
937: &prettyprint($_,$dynmeta{$_})."</td></tr>\n");
938: }
939: $r->print('</table>');
940: } else {
941: $r->print('<h4>'.&mt('No Access or Usages Statistics are available for this resource.').'</h4>');
942: }
943: #
944: # Assessment statistics
945: if ($uri=~/\.(problem|exam|quiz|assess|survey|form)$/) {
946: if (exists($dynmeta{'stdno'}) ||
947: exists($dynmeta{'avetries'}) ||
948: exists($dynmeta{'difficulty'}) ||
949: exists($dynmeta{'disc'})) {
950: # This is an assessment, print assessment data
951: $r->print('<h4>'.
952: &mt('Overall Assessment Statistical Data').
953: '</h4>'.
954: '<table cellspacing="2" border="0">');
955: $r->print('<tr><td bgcolor="#AAAAAA">'.$lt{'stdno'}.'</td>'.
956: '<td bgcolor="#CCCCCC">'.
957: &prettyprint('stdno',$dynmeta{'stdno'}).
958: '</td>'."</tr>\n");
959: foreach ('avetries','difficulty','disc') {
960: $r->print('<tr><td bgcolor="#AAAAAA">'.$lt{$_}.'</td>'.
961: '<td bgcolor="#CCCCCC">'.
962: &prettyprint($_,sprintf('%5.2f',$dynmeta{$_})).
963: '</td>'."</tr>\n");
964: }
965: $r->print('</table>');
966: }
967: if (exists($dynmeta{'stats'})) {
968: #
969: # New assessment statistics
970: $r->print('<h4>'.
971: &mt('Detailed Assessment Statistical Data').
972: '</h4>');
973: my $table = '<table cellspacing="2" border="0">'.
974: '<tr>'.
975: '<th>Course</th>'.
976: '<th>Section(s)</th>'.
977: '<th>Num Students</th>'.
978: '<th>Mean Tries</th>'.
979: '<th>Degree of Difficulty</th>'.
980: '<th>Degree of Discrimination</th>'.
981: '<th>Time of computation</th>'.
982: '</tr>'.$/;
983: foreach my $identifier (sort(keys(%{$dynmeta{'stats'}}))) {
984: my $data = $dynmeta{'stats'}->{$identifier};
985: my $course = $data->{'course'};
986: my %courseinfo =
987: &Apache::lonnet::coursedescription($course,
988: {'one_time' => 1});
989: if (! exists($courseinfo{'num'}) || $courseinfo{'num'} eq '') {
990: &Apache::lonnet::logthis('lookup for '.$course.' failed');
991: next;
992: }
993: $table .= '<tr>';
994: $table .=
995: '<td><nobr>'.$courseinfo{'description'}.'</nobr></td>';
996: $table .=
997: '<td align="right">'.$data->{'sections'}.'</td>';
998: $table .=
999: '<td align="right">'.$data->{'stdno'}.'</td>';
1000: foreach ('avetries','difficulty','disc') {
1001: $table .= '<td align="right">';
1002: if (exists($data->{$_})) {
1003: $table .= sprintf('%.2f',$data->{$_}).' ';
1004: } else {
1005: $table .= '';
1006: }
1007: $table .= '</td>';
1008: }
1009: $table .=
1010: '<td><nobr>'.
1011: &Apache::lonlocal::locallocaltime($data->{'timestamp'}).
1012: '</nobr></td>';
1013: $table .=
1014: '</tr>'.$/;
1015: }
1016: $table .= '</table>'.$/;
1017: $r->print($table);
1018: } else {
1019: $r->print('No new dynamic data found.');
1020: }
1021: } else {
1022: $r->print('<h4>'.
1023: &mt('No Assessment Statistical Data is available for this resource').
1024: '</h4>');
1025: }
1026:
1027: #
1028: #
1029: if (exists($dynmeta{'clear'}) ||
1030: exists($dynmeta{'depth'}) ||
1031: exists($dynmeta{'helpful'}) ||
1032: exists($dynmeta{'correct'}) ||
1033: exists($dynmeta{'technical'})){
1034: $r->print('<h4>'.&mt('Evaluation Data').'</h4>'.
1035: '<table cellspacing="2" border="0">');
1036: foreach ('clear','depth','helpful','correct','technical') {
1037: $r->print('<tr><td bgcolor="#AAAAAA">'.$lt{$_}.'</td>'.
1038: '<td bgcolor="#CCCCCC">'.
1039: &prettyprint($_,$dynmeta{$_})."</td></tr>\n");
1040: }
1041: $r->print('</table>');
1042: } else {
1043: $r->print('<h4>'.&mt('No Evaluation Data is available for this resource.').'</h4>');
1044: }
1045: $uri=~/^\/res\/(\w+)\/(\w+)\//;
1046: if ((($env{'user.domain'} eq $1) && ($env{'user.name'} eq $2))
1047: || ($env{'user.role.ca./'.$1.'/'.$2})) {
1048: if (exists($dynmeta{'comments'})) {
1049: $r->print('<h4>'.&mt('Evaluation Comments').' ('.
1050: &mt('visible to author and co-authors only').
1051: ')</h4>'.
1052: '<blockquote>'.$dynmeta{'comments'}.'</blockquote>');
1053: } else {
1054: $r->print('<h4>'.&mt('There are no Evaluation Comments on this resource.').'</h4>');
1055: }
1056: my $bombs = &Apache::lonmsg::retrieve_author_res_msg($uri);
1057: if (defined($bombs) && $bombs ne '') {
1058: $r->print('<a name="bombs" /><h4>'.&mt('Error Messages').' ('.
1059: &mt('visible to author and co-authors only').')'.
1060: '</h4>'.$bombs);
1061: } else {
1062: $r->print('<h4>'.&mt('There are currently no Error Messages for this resource.').'</h4>');
1063: }
1064: }
1065: #
1066: # All other stuff
1067: $r->print('<h3>'.
1068: &mt('Additional Metadata (non-standard, parameters, exports)').
1069: '</h3><table border="0" cellspacing="1">');
1070: foreach (sort(keys(%content))) {
1071: my $name=$_;
1072: if ($name!~/\.display$/) {
1073: my $display=&Apache::lonnet::metadata($uri,
1074: $name.'.display');
1075: if (! $display) {
1076: $display=$name;
1077: };
1078: my $otherinfo='';
1079: foreach ('name','part','type','default') {
1080: if (defined(&Apache::lonnet::metadata($uri,
1081: $name.'.'.$_))) {
1082: $otherinfo.=' '.$_.'='.
1083: &Apache::lonnet::metadata($uri,
1084: $name.'.'.$_).'; ';
1085: }
1086: }
1087: $r->print('<tr><td bgcolor="#bbccbb"><font size="-1" color="#556655">'.$display.'</font></td><td bgcolor="#ccddcc"><font size="-1" color="#556655">'.$content{$name});
1088: if ($otherinfo) {
1089: $r->print(' ('.$otherinfo.')');
1090: }
1091: $r->print("</font></td></tr>\n");
1092: }
1093: }
1094: $r->print("</table>");
1095: return;
1096: }
1097:
1098:
1099:
1100: #####################################################
1101: #####################################################
1102: ### ###
1103: ### Editable metadata display ###
1104: ### ###
1105: #####################################################
1106: #####################################################
1107: sub present_editable_metadata {
1108: my ($r,$uri,$file_type) = @_;
1109: # Construction Space Call
1110: # Header
1111: my $disuri=$uri;
1112: my $fn=&Apache::lonnet::filelocation('',$uri);
1113: $disuri=~s{^/\~}{/priv/};
1114: $disuri=~s/\.meta$//;
1115: my $meta_uri = $disuri;
1116: my $path;
1117: if ($disuri =~ m|/portfolio/|) {
1118: ($disuri, $meta_uri, $path) = &portfolio_display_uri($disuri,1);
1119: }
1120: my $target=$uri;
1121: $target=~s{^/\~}{/res/$env{'request.role.domain'}/};
1122: $target=~s/\.meta$//;
1123: my $bombs=&Apache::lonmsg::retrieve_author_res_msg($target);
1124: if ($bombs) {
1125: my $showdel=1;
1126: if ($env{'form.delmsg'}) {
1127: if (&Apache::lonmsg::del_url_author_res_msg($target) eq 'ok') {
1128: $bombs=&mt('Messages deleted.');
1129: $showdel=0;
1130: } else {
1131: $bombs=&mt('Error deleting messages');
1132: }
1133: }
1134: if ($env{'form.clearmsg'}) {
1135: my $cleardir=$target;
1136: $cleardir=~s/\/[^\/]+$/\//;
1137: if (&Apache::lonmsg::clear_author_res_msg($cleardir) eq 'ok') {
1138: $bombs=&mt('Messages cleared.');
1139: $showdel=0;
1140: } else {
1141: $bombs=&mt('Error clearing messages');
1142: }
1143: }
1144: my $del=&mt('Delete Messages for this Resource');
1145: my $clear=&mt('Clear all Messages in Subdirectory');
1146: my $goback=&mt('Back to Source File');
1147: $r->print(<<ENDBOMBS);
1148: <h1>$disuri</h1>
1149: <form method="post" action="" name="defaultmeta">
1150: ENDBOMBS
1151: if ($showdel) {
1152: $r->print(<<ENDDEL);
1153: <input type="submit" name="delmsg" value="$del" />
1154: <input type="submit" name="clearmsg" value="$clear" />
1155: ENDDEL
1156: } else {
1157: $r->print('<a href="'.$disuri.'" />'.$goback.'</a>');
1158: }
1159: $r->print('<br />'.$bombs);
1160: } else {
1161: my $displayfile='Catalog Information for '.$disuri;
1162: if ($disuri=~/\/default$/) {
1163: my $dir=$disuri;
1164: $dir=~s/default$//;
1165: $displayfile=
1166: &mt('Default Cataloging Information for Directory').' '.
1167: $dir;
1168: }
1169: %Apache::lonpublisher::metadatafields=();
1170: %Apache::lonpublisher::metadatakeys=();
1171: my $result=&Apache::lonnet::getfile($fn);
1172: if ($result == -1){
1173: $r->print(&mt('Creating new file [_1]'),$meta_uri);
1174: } else {
1175: &Apache::lonpublisher::metaeval($result);
1176: }
1177: $r->print(<<ENDEDIT);
1178: <h1>$displayfile</h1>
1179: <form method="post" action="" name="defaultmeta">
1180: ENDEDIT
1181: $r->print('<script type="JavaScript">'.
1182: &Apache::loncommon::browser_and_searcher_javascript().
1183: '</script>');
1184: my %lt=&fieldnames($file_type);
1185: my $output;
1186: my @fields;
1187: my $added_metadata_fields;
1188: if ($file_type eq 'portfolio') {
1189: if(exists ($env{$Apache::lonpublisher::metadatafields{'courserestricted'}.'.metadata.fieldlist'})) {
1190: # retrieve fieldnames (in order) from the course restricted list
1191: @fields = (split /,/,$env{$Apache::lonpublisher::metadatafields{'courserestricted'}.'.metadata.fieldlist'});
1192: } else {
1193: # no saved field list, use default list
1194: @fields = ('author','title','subject','keywords','abstract',
1195: 'notes','lowestgradelevel',
1196: 'highestgradelevel','standards');
1197: $added_metadata_fields = &Apache::lonparmset::get_added_meta_fieldnames();
1198:
1199: $env{$Apache::lonpublisher::metadatafields{'courserestricted'}.'.metadata.fieldlist'} = join (",",@fields);
1200: }
1201: } else {
1202: @fields = ('author','title','subject','keywords','abstract','notes',
1203: 'copyright','customdistributionfile','language',
1204: 'standards',
1205: 'lowestgradelevel','highestgradelevel','sourceavail','sourcerights',
1206: 'obsolete','obsoletereplacement');
1207: }
1208: if ($file_type eq 'groups') {
1209: $Apache::lonpublisher::metadatafields{'courserestricted'}=
1210: 'course.'.$env{'request.course.id'};
1211: }
1212: if ((! $Apache::lonpublisher::metadatafields{'courserestricted'}) &&
1213: (! $env{'form.new_courserestricted'}) && (! $file_type eq 'groups')) {
1214: $Apache::lonpublisher::metadatafields{'courserestricted'}=
1215: 'none';
1216: } elsif ($env{'form.new_courserestricted'}) {
1217: $Apache::lonpublisher::metadatafields{'courserestricted'}=
1218: $env{'form.new_courserestricted'};
1219: }
1220: if (! $Apache::lonpublisher::metadatafields{'copyright'}) {
1221: $Apache::lonpublisher::metadatafields{'copyright'}=
1222: 'default';
1223: }
1224: if (($file_type eq 'portfolio') || ($file_type eq 'groups')) {
1225: if (! $Apache::lonpublisher::metadatafields{'mime'}) {
1226: ($Apache::lonpublisher::metadatafields{'mime'}) =
1227: ( $target=~/\.(\w+)$/ );
1228: }
1229: if (! $Apache::lonpublisher::metadatafields{'owner'}) {
1230: $Apache::lonpublisher::metadatafields{'owner'} =
1231: $env{'user.name'}.':'.$env{'user.domain'};
1232: }
1233:
1234: if ($Apache::lonpublisher::metadatafields{'courserestricted'} ne 'none') {
1235: $r->print(&mt('Associated with course [_1]','<strong>'.$env{$Apache::lonpublisher::metadatafields{'courserestricted'}.".description"}.
1236: '</strong>').'<br />');
1237: } else {
1238: $r->print("This resource is not associated with a course.<br />");
1239: }
1240: }
1241: foreach my $field_name(keys (%$added_metadata_fields)) {
1242: push (@fields,$field_name);
1243: $Apache::lonpublisher::metadatafields{$field_name} =
1244: $$added_metadata_fields{$field_name};
1245: $lt{$field_name} = $$added_metadata_fields{$field_name};
1246: }
1247: foreach my $field_name (@fields) {
1248: if (defined($env{'form.new_'.$field_name})) {
1249: $Apache::lonpublisher::metadatafields{$field_name}=
1250: join(',',&Apache::loncommon::get_env_multiple('form.new_'.$field_name));
1251: }
1252: if ($Apache::lonpublisher::metadatafields{'courserestricted'} ne 'none'
1253: && exists($env{$Apache::lonpublisher::metadatafields{'courserestricted'}.'.metadata.'.$field_name.'.options'})) {
1254: # handle restrictions here
1255: if (($env{$Apache::lonpublisher::metadatafields{'courserestricted'}.'.metadata.'.$field_name.'.options'} =~ m/active/) ||
1256: ($field_name eq 'courserestricted')){
1257: $output.=("\n".'<p>'.$lt{$field_name}.': '.
1258: &prettyinput($field_name,
1259: $Apache::lonpublisher::metadatafields{$field_name},
1260: 'new_'.$field_name,'defaultmeta',
1261: undef,undef,undef,undef,
1262: $Apache::lonpublisher::metadatafields{'courserestricted'}).'</p>'."\n");
1263: }
1264: } else {
1265:
1266: $output.=('<p>'.$lt{$field_name}.': '.
1267: &prettyinput($field_name,
1268: $Apache::lonpublisher::metadatafields{$field_name},
1269: 'new_'.$field_name,'defaultmeta').'</p>');
1270:
1271: }
1272: }
1273: if ($env{'form.store'}) {
1274: my $mfh;
1275: my $formname='store';
1276: my $file_content;
1277: if (&Apache::loncommon::get_env_multiple('form.new_keywords')) {
1278: $Apache::lonpublisher::metadatafields{'keywords'} =
1279: join (',', &Apache::loncommon::get_env_multiple('form.new_keywords'));
1280: }
1281: foreach my $field (sort keys %Apache::lonpublisher::metadatafields) {
1282: next if ($field =~ /\./);
1283: my $unikey=$field;
1284: $unikey=~/^([A-Za-z]+)/;
1285: my $tag=$1;
1286: $tag=~tr/A-Z/a-z/;
1287: $file_content.= "\n\<$tag";
1288: foreach my $key (split(/\,/,
1289: $Apache::lonpublisher::metadatakeys{$unikey})
1290: ) {
1291: my $value=
1292: $Apache::lonpublisher::metadatafields{$unikey.'.'.$key};
1293: $value=~s/\"/\'\'/g;
1294: $file_content.=' '.$key.'="'.$value.'"' ;
1295: }
1296: $file_content.= '>'.
1297: &HTML::Entities::encode
1298: ($Apache::lonpublisher::metadatafields{$unikey},
1299: '<>&"').
1300: '</'.$tag.'>';
1301: }
1302: if ($fn =~ m|^$Apache::lonnet::perlvar{'lonDocRoot'}/userfiles|) {
1303: my ($path, $new_fn);
1304: if ($fn =~ m|\w+/groups/\w+/portfolio/|) {
1305: ($path, $new_fn) = ($fn =~ m|/(groups/\w+/portfolio.*)/([^/]*)$|);
1306: } else {
1307: ($path, $new_fn) = ($fn =~ m|/(portfolio.*)/([^/]*)$|);
1308: }
1309: $r->print(&store_portfolio_metadata($formname,$file_content,$path,
1310: $new_fn));
1311: } else {
1312: if (! ($mfh=Apache::File->new('>'.$fn))) {
1313: $r->print('<p><font color="red">'.
1314: &mt('Could not write metadata').', '.
1315: &mt('FAIL').'</font></p>');
1316: } else {
1317: print $mfh $file_content;
1318: $r->print('<p><font color="blue">'.&mt('Wrote Metadata').
1319: ' '.&Apache::lonlocal::locallocaltime(time).
1320: '</font></p>');
1321: }
1322: }
1323: }
1324: $r->print($output.'<br /><input type="submit" name="store" value="'.
1325: &mt('Store Catalog Information').'" />');
1326:
1327: if ($file_type eq 'portfolio') {
1328: my ($port_path,$group) = &get_port_path_and_group($uri);
1329: if ($group) {
1330: $r->print('<input type="hidden" name="group" value="'.$group.'" />');
1331: }
1332: $r->print('<input type="hidden" name="currentpath" value="'.$env{'form.currentpath'}.'" />');
1333: $r->print('</form><br /><br /><form method="post" action="'.$port_path.'">');
1334: if ($group) {
1335: $r->print('<input type="hidden" name="group" value="'.$group.'" />');
1336: }
1337: $r->print('<input type="hidden" name="currentpath" value="'.$path.'" />'.
1338: '<input type="submit" name="cancel" value="'.&mt('Discard Edits and Return to Portfolio').'" />');
1339: }
1340: }
1341:
1342: $r->print('</form>');
1343:
1344: return;
1345: }
1346:
1347: sub store_portfolio_metadata {
1348: my ($formname,$content,$path,$new_fn) = @_;
1349: $env{'form.'.$formname}=$content."\n";
1350: $env{'form.'.$formname.'.filename'}=$new_fn;
1351: my $result =&Apache::lonnet::userfileupload($formname,'',$path);
1352: if ($result =~ /(error|notfound)/) {
1353: return '<p><font color="red">'.
1354: &mt('Could not write metadata').', '.
1355: &mt('FAIL').'</font></p>';
1356: } else {
1357: return '<p><font color="blue">'.&mt('Wrote Metadata').
1358: ' '.&Apache::lonlocal::locallocaltime(time).'</font></p>';
1359: }
1360: }
1361:
1362: 1;
1363: __END__
1364:
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