1: # The LearningOnline Network with CAPA
2: # Metadata display handler
3: #
4: # $Id: lonmeta.pm,v 1.167 2006/08/10 21:14:10 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) || $file_type ne 'portfolio') {
239: %fields =
240: (%fields,
241: 'courserestricted' => 'Course Restricting Metadata');
242: }
243:
244: if (! defined($file_type) || $file_type ne 'portfolio') {
245: %fields =
246: (%fields,
247: 'domain' => 'Domain',
248: 'mime' => 'MIME Type',
249: 'language' => 'Language',
250: 'creationdate' => 'Creation Date',
251: 'lastrevisiondate' => 'Last Revision Date',
252: 'owner' => 'Publisher/Owner',
253: 'copyright' => 'Copyright/Distribution',
254: 'customdistributionfile' => 'Custom Distribution File',
255: 'sourceavail' => 'Source Available',
256: 'sourcerights' => 'Source Custom Distribution File',
257: 'obsolete' => 'Obsolete',
258: 'obsoletereplacement' => 'Suggested Replacement for Obsolete File',
259: 'count' => 'Network-wide number of accesses (hits)',
260: 'course' => 'Network-wide number of courses using resource',
261: 'course_list' => 'Network-wide courses using resource',
262: 'sequsage' => 'Number of resources using or importing resource',
263: 'sequsage_list' => 'Resources using or importing resource',
264: 'goto' => 'Number of resources that follow this resource in maps',
265: 'goto_list' => 'Resources that follow this resource in maps',
266: 'comefrom' => 'Number of resources that lead up to this resource in maps',
267: 'comefrom_list' => 'Resources that lead up to this resource in maps',
268: 'clear' => 'Material presented in clear way',
269: 'depth' => 'Material covered with sufficient depth',
270: 'helpful' => 'Material is helpful',
271: 'correct' => 'Material appears to be correct',
272: 'technical' => 'Resource is technically correct',
273: 'avetries' => 'Average number of tries till solved',
274: 'stdno' => 'Total number of students who have worked on this problem',
275: 'difficulty' => 'Degree of difficulty',
276: 'disc' => 'Degree of discrimination',
277: 'dependencies' => 'Resources used by this resource',
278: );
279: }
280: return &Apache::lonlocal::texthash(%fields);
281: }
282:
283: sub portfolio_linked_path {
284: my ($path,$group,$port_path) = @_;
285:
286: my $start = 'portfolio';
287: if ($group) {
288: $start = "groups/$group/".$start;
289: }
290: my %anchor_fields = (
291: 'selectfile' => $start,
292: 'currentpath' => '/'
293: );
294: my $result = &Apache::portfolio::make_anchor($port_path,\%anchor_fields,$start);
295: my $fullpath = '/';
296: my (undef,@tree) = split('/',$path);
297: my $filename = pop(@tree);
298: foreach my $dir (@tree) {
299: $fullpath .= $dir.'/';
300: $result .= '/';
301: my %anchor_fields = (
302: 'selectfile' => $dir,
303: 'currentpath' => $fullpath
304: );
305: $result .= &Apache::portfolio::make_anchor($port_path,\%anchor_fields,$dir);
306: }
307: $result .= "/$filename";
308: return $result;
309: }
310:
311: sub get_port_path_and_group {
312: my ($uri)=@_;
313:
314: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
315: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
316:
317: my ($port_path,$group);
318: if ($uri =~ m{^/editupload/\Q$cdom\E/\Q$cnum\E/groups/}) {
319: $group = (split('/',$uri))[5];
320: $port_path = '/adm/coursegrp_portfolio';
321: } else {
322: $port_path = '/adm/portfolio';
323: }
324: if ($env{'form.group'} ne $group) {
325: $env{'form.group'} = $group;
326: }
327: return ($port_path,$group);
328: }
329:
330: sub portfolio_display_uri {
331: my ($uri,$as_links)=@_;
332:
333: my ($port_path,$group) = &get_port_path_and_group($uri);
334:
335: $uri =~ s|.*/(portfolio/.*)$|$1|;
336: my ($res_uri,$meta_uri) = ($uri,$uri);
337: if ($uri =~ /\.meta$/) {
338: $res_uri =~ s/\.meta//;
339: } else {
340: $meta_uri .= '.meta';
341: }
342:
343: my ($path) = ($res_uri =~ m|^portfolio(.*/)[^/]*$|);
344: if ($as_links) {
345: $res_uri = &portfolio_linked_path($res_uri,$group,$port_path);
346: $meta_uri = &portfolio_linked_path($meta_uri,$group,$port_path);
347: }
348: return ($res_uri,$meta_uri,$path);
349: }
350:
351: sub pre_select_course {
352: my ($r,$uri) = @_;
353: my $output;
354: my $fn=&Apache::lonnet::filelocation('',$uri);
355: my ($res_uri,$meta_uri,$path) = &portfolio_display_uri($uri);
356: %Apache::lonpublisher::metadatafields=();
357: %Apache::lonpublisher::metadatakeys=();
358: my $result=&Apache::lonnet::getfile($fn);
359: if ($result == -1){
360: $r->print(&mt('Creating new file [_1]'),$meta_uri);
361: } else {
362: &Apache::lonpublisher::metaeval($result);
363: }
364: $r->print('<hr /><form method="post" action="" >');
365: $r->print('<p>'.&mt('If you would like to associate this resource ([_1]) with a current or previous course, please select one from the list below, otherwise select, \'None\'','<tt>'.$res_uri.'</tt>').'</p>');
366: $output = &select_course();
367: $r->print($output.'<br /><input type="submit" name="store" value="'.
368: &mt('Associate Resource With Selected Course').'" />');
369: $r->print('</form>');
370:
371: my ($port_path,$group) = &get_port_path_and_group($uri);
372: my $group_input;
373: if ($group) {
374: $group_input = '<input type="hidden" name="group" value="'.$group.'" />'
375: } else {
376: $group_input = "";
377: }
378: $r->print('<br /><br /><form method="post" action="'.$port_path.'">'.
379: '<input type="hidden" name="currentpath" value="'.$path.'" />'.
380: $group_input.
381: '<input type="submit" name="cancel" value="'.&mt('Cancel').'" />'.
382: '</form>');
383:
384: return;
385: }
386: sub select_course {
387: my $output=$/;
388: my $current_restriction=
389: $Apache::lonpublisher::metadatafields{'courserestricted'};
390: my $selected = ($current_restriction eq 'none' ? 'selected="selected"'
391: : '');
392:
393: $output .= '<select name="new_courserestricted" >';
394: $output .= '<option value="none" '.$selected.'>'.
395: &mt('None').'</option>'.$/;
396: my %courses;
397: foreach my $key (keys(%env)) {
398: if ($key !~ m/^course\.(.+)\.description$/) { next; }
399: my $cid = $1;
400: if ($env{$key} !~ /\S/) { next; }
401: $courses{$key} = $cid;
402: }
403: foreach my $key (sort { lc($env{$a}) cmp lc($env{$b}) } (keys(%courses))) {
404: my $cid = 'course.'.$courses{$key};
405: my $selected = ($current_restriction eq $cid ? 'selected="selected"'
406: : '');
407: if ($env{$key} !~ /\S/) { next; }
408: $output .= '<option value="'.$cid.'" '.$selected.'>';
409: $output .= $env{$key};
410: $output .= '</option>'.$/;
411: $selected = '';
412: }
413: $output .= '</select><br />';
414: return ($output);
415: }
416: # Pretty printing of metadata field
417:
418: sub prettyprint {
419: my ($type,$value,$target,$prefix,$form,$noformat)=@_;
420: # $target,$prefix,$form are optional and for filecrumbs only
421: if (! defined($value)) {
422: return ' ';
423: }
424: # Title
425: if ($type eq 'title') {
426: return '<font size="+1" face="arial">'.$value.'</font>';
427: }
428: # Dates
429: if (($type eq 'creationdate') ||
430: ($type eq 'lastrevisiondate')) {
431: return ($value?&Apache::lonlocal::locallocaltime(
432: &Apache::lonmysql::unsqltime($value)):
433: &mt('not available'));
434: }
435: # Language
436: if ($type eq 'language') {
437: return &Apache::loncommon::languagedescription($value);
438: }
439: # Copyright
440: if ($type eq 'copyright') {
441: return &Apache::loncommon::copyrightdescription($value);
442: }
443: # Copyright
444: if ($type eq 'sourceavail') {
445: return &Apache::loncommon::source_copyrightdescription($value);
446: }
447: # MIME
448: if ($type eq 'mime') {
449: return '<img src="'.&Apache::loncommon::icon($value).'" /> '.
450: &Apache::loncommon::filedescription($value);
451: }
452: # Person
453: if (($type eq 'author') ||
454: ($type eq 'owner') ||
455: ($type eq 'modifyinguser') ||
456: ($type eq 'authorspace')) {
457: $value=~s/(\w+)(\:|\@)(\w+)/&authordisplay($1,$3)/gse;
458: return $value;
459: }
460: # Gradelevel
461: if (($type eq 'lowestgradelevel') ||
462: ($type eq 'highestgradelevel')) {
463: return &Apache::loncommon::gradeleveldescription($value);
464: }
465: # Only for advance users below
466: if (! $env{'user.adv'}) {
467: return '<i>- '.&mt('not displayed').' -</i>';
468: }
469: # File
470: if (($type eq 'customdistributionfile') ||
471: ($type eq 'obsoletereplacement') ||
472: ($type eq 'goto_list') ||
473: ($type eq 'comefrom_list') ||
474: ($type eq 'sequsage_list') ||
475: ($type eq 'dependencies')) {
476: return '<font size="-1"><ul>'.join("\n",map {
477: my $url = &Apache::lonnet::clutter($_);
478: my $title = &Apache::lonnet::gettitle($url);
479: if ($title eq '') {
480: $title = 'Untitled';
481: if ($url =~ /\.sequence$/) {
482: $title .= ' Sequence';
483: } elsif ($url =~ /\.page$/) {
484: $title .= ' Page';
485: } elsif ($url =~ /\.problem$/) {
486: $title .= ' Problem';
487: } elsif ($url =~ /\.html$/) {
488: $title .= ' HTML document';
489: } elsif ($url =~ m:/syllabus$:) {
490: $title .= ' Syllabus';
491: }
492: }
493: $_ = '<li>'.$title.' '.
494: &Apache::lonhtmlcommon::crumbs($url,$target,$prefix,$form,'-1',$noformat).
495: '</li>'
496: } split(/\s*\,\s*/,$value)).'</ul></font>';
497: }
498: # Evaluations
499: if (($type eq 'clear') ||
500: ($type eq 'depth') ||
501: ($type eq 'helpful') ||
502: ($type eq 'correct') ||
503: ($type eq 'technical')) {
504: return &evalgraph($value);
505: }
506: # Difficulty
507: if ($type eq 'difficulty' || $type eq 'disc') {
508: return &diffgraph($value);
509: }
510: # List of courses
511: if ($type=~/\_list/) {
512: my @Courses = split(/\s*\,\s*/,$value);
513: my $Str='<font size="-1"><ul>';
514: foreach my $course (@Courses) {
515: my %courseinfo =
516: &Apache::lonnet::coursedescription($course,
517: {'one_time' => 1});
518: if (! exists($courseinfo{'num'}) || $courseinfo{'num'} eq '') {
519: next;
520: }
521: $Str .= '<li><a href="/public/'.$courseinfo{'domain'}.'/'.
522: $courseinfo{'num'}.'/syllabus" target="preview">'.
523: $courseinfo{'description'}.'</a></li>';
524: }
525: return $Str.'</ul></font>';
526: }
527: # No pretty print found
528: return $value;
529: }
530:
531: # Pretty input of metadata field
532: sub direct {
533: return shift;
534: }
535:
536: sub selectbox {
537: my ($name,$value,$functionref,@idlist)=@_;
538: if (! defined($functionref)) {
539: $functionref=\&direct;
540: }
541: my $selout='<select name="'.$name.'">';
542: foreach (@idlist) {
543: $selout.='<option value=\''.$_.'\'';
544: if ($_ eq $value) {
545: $selout.=' selected>'.&{$functionref}($_).'</option>';
546: }
547: else {$selout.='>'.&{$functionref}($_).'</option>';}
548: }
549: return $selout.'</select>';
550: }
551:
552: sub relatedfield {
553: my ($show,$relatedsearchflag,$relatedsep,$fieldname,$relatedvalue)=@_;
554: if (! $relatedsearchflag) {
555: return '';
556: }
557: if (! defined($relatedsep)) {
558: $relatedsep=' ';
559: }
560: if (! $show) {
561: return $relatedsep.' ';
562: }
563: return $relatedsep.'<input type="checkbox" name="'.$fieldname.'_related"'.
564: ($relatedvalue?' checked="1"':'').' />';
565: }
566:
567: sub prettyinput {
568: my ($type,$value,$fieldname,$formname,
569: $relatedsearchflag,$relatedsep,$relatedvalue,$size,$course_key)=@_;
570: if (! defined($size)) {
571: $size = 80;
572: }
573: my $output;
574: if (defined($course_key)
575: && exists($env{$course_key.'.metadata.'.$type.'.options'})) {
576: my $stu_add;
577: my $only_one;
578: my %meta_options;
579: my @cur_values_inst;
580: my $cur_values_stu;
581: my $values = $env{$course_key.'.metadata.'.$type.'.values'};
582: if ($env{$course_key.'.metadata.'.$type.'.options'} =~ m/stuadd/) {
583: $stu_add = 'true';
584: }
585: if ($env{$course_key.'.metadata.'.$type.'.options'} =~ m/onlyone/) {
586: $only_one = 'true';
587: }
588: # need to take instructor values out of list where instructor and student
589: # values may be mixed.
590: if ($values) {
591: foreach my $item (split(/,/,$values)) {
592: $item =~ s/^\s+//;
593: $meta_options{$item} = $item;
594: }
595: foreach my $item (split(/,/,$value)) {
596: $item =~ s/^\s+//;
597: if ($meta_options{$item}) {
598: push(@cur_values_inst,$item);
599: } else {
600: $cur_values_stu .= $item.',';
601: }
602: }
603: } else {
604: $cur_values_stu = $value;
605: }
606: if ($type eq 'courserestricted') {
607: return (&select_course());
608: # return ('<input type="hidden" name="new_courserestricted" value="'.$course_key.'" />');
609: }
610: if (($type eq 'keywords') || ($type eq 'subject')
611: || ($type eq 'author')||($type eq 'notes')
612: || ($type eq 'abstract')|| ($type eq 'title')|| ($type eq 'standards')) {
613: if ($values) {
614: if ($only_one) {
615: $output .= (&Apache::loncommon::select_form($cur_values_inst[0],'new_'.$type,%meta_options));
616: } else {
617: $output .= (&Apache::loncommon::multiple_select_form('new_'.$type,\@cur_values_inst,undef,\%meta_options));
618: }
619: }
620: if ($stu_add) {
621: $output .= '<input type="text" name="'.$fieldname.'" size="'.$size.'" '.
622: 'value="'.$cur_values_stu.'" />'.
623: &relatedfield(1,$relatedsearchflag,$relatedsep,$fieldname,
624: $relatedvalue);
625: }
626: return ($output);
627: }
628: if (($type eq 'lowestgradelevel') ||
629: ($type eq 'highestgradelevel')) {
630: return &Apache::loncommon::select_level_form($value,$fieldname).
631: &relatedfield(0,$relatedsearchflag,$relatedsep);
632: }
633: return();
634: }
635: # Language
636: if ($type eq 'language') {
637: return &selectbox($fieldname,
638: $value,
639: \&Apache::loncommon::languagedescription,
640: (&Apache::loncommon::languageids)).
641: &relatedfield(0,$relatedsearchflag,$relatedsep);
642: }
643: # Copyright
644: if ($type eq 'copyright') {
645: return &selectbox($fieldname,
646: $value,
647: \&Apache::loncommon::copyrightdescription,
648: (&Apache::loncommon::copyrightids)).
649: &relatedfield(0,$relatedsearchflag,$relatedsep);
650: }
651: # Source Copyright
652: if ($type eq 'sourceavail') {
653: return &selectbox($fieldname,
654: $value,
655: \&Apache::loncommon::source_copyrightdescription,
656: (&Apache::loncommon::source_copyrightids)).
657: &relatedfield(0,$relatedsearchflag,$relatedsep);
658: }
659: # Gradelevels
660: if (($type eq 'lowestgradelevel') ||
661: ($type eq 'highestgradelevel')) {
662: return &Apache::loncommon::select_level_form($value,$fieldname).
663: &relatedfield(0,$relatedsearchflag,$relatedsep);
664: }
665: # Obsolete
666: if ($type eq 'obsolete') {
667: return '<input type="checkbox" name="'.$fieldname.'"'.
668: ($value?' checked="1"':'').' />'.
669: &relatedfield(0,$relatedsearchflag,$relatedsep);
670: }
671: # Obsolete replacement file
672: if ($type eq 'obsoletereplacement') {
673: return '<input type="text" name="'.$fieldname.
674: '" size="60" value="'.$value.'" /><a href="javascript:openbrowser'.
675: "('".$formname."','".$fieldname."'".
676: ",'')\">".&mt('Select').'</a>'.
677: &relatedfield(0,$relatedsearchflag,$relatedsep);
678: }
679: # Customdistribution file
680: if ($type eq 'customdistributionfile') {
681: return '<input type="text" name="'.$fieldname.
682: '" size="60" value="'.$value.'" /><a href="javascript:openbrowser'.
683: "('".$formname."','".$fieldname."'".
684: ",'rights')\">".&mt('Select').'</a>'.
685: &relatedfield(0,$relatedsearchflag,$relatedsep);
686: }
687: # Source Customdistribution file
688: if ($type eq 'sourcerights') {
689: return '<input type="text" name="'.$fieldname.
690: '" size="60" value="'.$value.'" /><a href="javascript:openbrowser'.
691: "('".$formname."','".$fieldname."'".
692: ",'rights')\">".&mt('Select').'</a>'.
693: &relatedfield(0,$relatedsearchflag,$relatedsep);
694: }
695: if ($type eq 'courserestricted') {
696: return (&select_course());
697: #return ('<input type="hidden" name="new_courserestricted" value="'.$course_key.'" />');
698: }
699:
700: # Dates
701: if (($type eq 'creationdate') ||
702: ($type eq 'lastrevisiondate')) {
703: return
704: &Apache::lonhtmlcommon::date_setter($formname,$fieldname,$value).
705: &relatedfield(0,$relatedsearchflag,$relatedsep);
706: }
707: # No pretty input found
708: $value=~s/^\s+//gs;
709: $value=~s/\s+$//gs;
710: $value=~s/\s+/ /gs;
711: $value=~s/\"/\"\;/gs;
712: return
713: '<input type="text" name="'.$fieldname.'" size="'.$size.'" '.
714: 'value="'.$value.'" />'.
715: &relatedfield(1,$relatedsearchflag,$relatedsep,$fieldname,
716: $relatedvalue);
717: }
718:
719: # Main Handler
720: sub handler {
721: my $r=shift;
722: #
723: my $uri=$r->uri;
724: #
725: # Set document type
726: &Apache::loncommon::content_type($r,'text/html');
727: $r->send_http_header;
728: return OK if $r->header_only;
729: #
730: my ($resdomain,$resuser)=
731: (&Apache::lonnet::declutter($uri)=~/^(\w+)\/(\w+)\//);
732: if ($uri=~m:/adm/bombs/(.*)$:) {
733: $r->print(&Apache::loncommon::start_page('Error Messages'));
734: # Looking for all bombs?
735: &report_bombs($r,$uri);
736: } elsif ($uri=~m|^/editupload/[^/]+/[^/]+/portfolio/|) {
737: ($resdomain,$resuser)=
738: (&Apache::lonnet::declutter($uri)=~m|^(\w+)/(\w+)/portfolio|);
739: $r->print(&Apache::loncommon::start_page('Edit Portfolio File Catalog Information',
740: undef,
741: {'domain' => $resdomain,}));
742: if ($env{'form.store'}) {
743: &present_editable_metadata($r,$uri,'portfolio');
744: } else {
745: &pre_select_course($r,$uri);
746: }
747: } elsif ($uri=~m|^/~|) {
748: # Construction space
749: $r->print(&Apache::loncommon::start_page('Edit Catalog nformation',
750: undef,
751: {'domain' => $resdomain,}));
752: &present_editable_metadata($r,$uri);
753: } else {
754: $r->print(&Apache::loncommon::start_page('Catalog Information',
755: undef,
756: {'domain' => $resdomain,}));
757: &present_uneditable_metadata($r,$uri);
758: }
759: $r->print(&Apache::loncommon::end_page());
760: return OK;
761: }
762:
763: #####################################################
764: #####################################################
765: ### ###
766: ### Report Bombs ###
767: ### ###
768: #####################################################
769: #####################################################
770: sub report_bombs {
771: my ($r,$uri) = @_;
772: # Set document type
773: $uri =~ s:/adm/bombs/::;
774: $uri = &Apache::lonnet::declutter($uri);
775: $r->print('<h1>'.&Apache::lonnet::clutter($uri).'</h1>');
776: my ($domain,$author)=($uri=~/^(\w+)\/(\w+)\//);
777: if (&Apache::loncacc::constructaccess('/~'.$author.'/',$domain)) {
778: if ($env{'form.clearbombs'}) {
779: &Apache::lonmsg::clear_author_res_msg($uri);
780: }
781: my $clear=&mt('Clear all Messages in Subdirectory');
782: $r->print(<<ENDCLEAR);
783: <form method="post">
784: <input type="submit" name="clearbombs" value="$clear" />
785: </form>
786: ENDCLEAR
787: my %brokenurls =
788: &Apache::lonmsg::all_url_author_res_msg($author,$domain);
789: foreach (sort(keys(%brokenurls))) {
790: if ($_=~/^\Q$uri\E/) {
791: $r->print
792: ('<a href="'.&Apache::lonnet::clutter($_).'">'.$_.'</a>'.
793: &Apache::lonmsg::retrieve_author_res_msg($_).
794: '<hr />');
795: }
796: }
797: } else {
798: $r->print(&mt('Not authorized'));
799: }
800: return;
801: }
802:
803: #####################################################
804: #####################################################
805: ### ###
806: ### Uneditable Metadata Display ###
807: ### ###
808: #####################################################
809: #####################################################
810: sub present_uneditable_metadata {
811: my ($r,$uri) = @_;
812: #
813: my $uploaded = ($uri =~ m|/uploaded/|);
814: my %content=();
815: # Read file
816: foreach (split(/\,/,&Apache::lonnet::metadata($uri,'keys'))) {
817: $content{$_}=&Apache::lonnet::metadata($uri,$_);
818: }
819: # Render Output
820: # displayed url
821: my ($thisversion)=($uri=~/\.(\d+)\.(\w+)\.meta$/);
822: $uri=~s/\.meta$//;
823: my $disuri=&Apache::lonnet::clutter($uri);
824: $disuri=~s/^\/adm\/wrapper//;
825: # version
826: my $versiondisplay='';
827: if (!$uploaded) {
828: my $currentversion=&Apache::lonnet::getversion($disuri);
829: if ($thisversion) {
830: $versiondisplay=&mt('Version').': '.$thisversion.
831: ' ('.&mt('most recent version').': '.
832: ($currentversion>0 ?
833: $currentversion :
834: &mt('information not available')).')';
835: } else {
836: $versiondisplay='Version: '.$currentversion;
837: }
838: }
839: # crumbify displayed URL uri target prefix form size
840: $disuri=&Apache::lonhtmlcommon::crumbs($disuri,undef, undef, undef,'+1');
841: $disuri =~ s:<br />::g;
842: # obsolete
843: my $obsolete=$content{'obsolete'};
844: my $obsoletewarning='';
845: if (($obsolete) && ($env{'user.adv'})) {
846: $obsoletewarning='<p><font color="red">'.
847: &mt('This resource has been marked obsolete by the author(s)').
848: '</font></p>';
849: }
850: #
851: my %lt=&fieldnames();
852: my $table='';
853: my $title = $content{'title'};
854: if (! defined($title)) {
855: $title = 'Untitled Resource';
856: }
857: my @fields;
858: if ($uploaded) {
859: @fields = ('title','author','subject','keywords','notes','abstract',
860: 'lowestgradelevel','highestgradelevel','standards','mime',
861: 'owner');
862: } else {
863: @fields = ('title',
864: 'author',
865: 'subject',
866: 'keywords',
867: 'notes',
868: 'abstract',
869: 'lowestgradelevel',
870: 'highestgradelevel',
871: 'standards',
872: 'mime',
873: 'language',
874: 'creationdate',
875: 'lastrevisiondate',
876: 'owner',
877: 'copyright',
878: 'customdistributionfile',
879: 'sourceavail',
880: 'sourcerights',
881: 'obsolete',
882: 'obsoletereplacement');
883: }
884: foreach my $field (@fields) {
885: $table.='<tr><td bgcolor="#AAAAAA">'.$lt{$field}.
886: '</td><td bgcolor="#CCCCCC">'.
887: &prettyprint($field,$content{$field}).'</td></tr>';
888: delete($content{$field});
889: }
890: #
891: $r->print(<<ENDHEAD);
892: <h2>$title</h2>
893: <p>
894: $disuri<br />
895: $obsoletewarning
896: $versiondisplay
897: </p>
898: <table cellspacing="2" border="0">
899: $table
900: </table>
901: ENDHEAD
902: if (!$uploaded && $env{'user.adv'}) {
903: &print_dynamic_metadata($r,$uri,\%content);
904: }
905: return;
906: }
907:
908: sub print_dynamic_metadata {
909: my ($r,$uri,$content) = @_;
910: #
911: my %content = %$content;
912: my %lt=&fieldnames();
913: #
914: my $description = 'Dynamic Metadata (updated periodically)';
915: $r->print('<h3>'.&mt($description).'</h3>'.
916: &mt('Processing'));
917: $r->rflush();
918: my %items=&fieldnames();
919: my %dynmeta=&dynamicmeta($uri);
920: #
921: # General Access and Usage Statistics
922: if (exists($dynmeta{'count'}) ||
923: exists($dynmeta{'sequsage'}) ||
924: exists($dynmeta{'comefrom'}) ||
925: exists($dynmeta{'goto'}) ||
926: exists($dynmeta{'course'})) {
927: $r->print('<h4>'.&mt('Access and Usage Statistics').'</h4>'.
928: '<table cellspacing="2" border="0">');
929: foreach ('count',
930: 'sequsage','sequsage_list',
931: 'comefrom','comefrom_list',
932: 'goto','goto_list',
933: 'course','course_list') {
934: $r->print('<tr><td bgcolor="#AAAAAA">'.$lt{$_}.'</td>'.
935: '<td bgcolor="#CCCCCC">'.
936: &prettyprint($_,$dynmeta{$_})."</td></tr>\n");
937: }
938: $r->print('</table>');
939: } else {
940: $r->print('<h4>'.&mt('No Access or Usages Statistics are available for this resource.').'</h4>');
941: }
942: #
943: # Assessment statistics
944: if ($uri=~/\.(problem|exam|quiz|assess|survey|form)$/) {
945: if (exists($dynmeta{'stdno'}) ||
946: exists($dynmeta{'avetries'}) ||
947: exists($dynmeta{'difficulty'}) ||
948: exists($dynmeta{'disc'})) {
949: # This is an assessment, print assessment data
950: $r->print('<h4>'.
951: &mt('Overall Assessment Statistical Data').
952: '</h4>'.
953: '<table cellspacing="2" border="0">');
954: $r->print('<tr><td bgcolor="#AAAAAA">'.$lt{'stdno'}.'</td>'.
955: '<td bgcolor="#CCCCCC">'.
956: &prettyprint('stdno',$dynmeta{'stdno'}).
957: '</td>'."</tr>\n");
958: foreach ('avetries','difficulty','disc') {
959: $r->print('<tr><td bgcolor="#AAAAAA">'.$lt{$_}.'</td>'.
960: '<td bgcolor="#CCCCCC">'.
961: &prettyprint($_,sprintf('%5.2f',$dynmeta{$_})).
962: '</td>'."</tr>\n");
963: }
964: $r->print('</table>');
965: }
966: if (exists($dynmeta{'stats'})) {
967: #
968: # New assessment statistics
969: $r->print('<h4>'.
970: &mt('Detailed Assessment Statistical Data').
971: '</h4>');
972: my $table = '<table cellspacing="2" border="0">'.
973: '<tr>'.
974: '<th>Course</th>'.
975: '<th>Section(s)</th>'.
976: '<th>Num Students</th>'.
977: '<th>Mean Tries</th>'.
978: '<th>Degree of Difficulty</th>'.
979: '<th>Degree of Discrimination</th>'.
980: '<th>Time of computation</th>'.
981: '</tr>'.$/;
982: foreach my $identifier (sort(keys(%{$dynmeta{'stats'}}))) {
983: my $data = $dynmeta{'stats'}->{$identifier};
984: my $course = $data->{'course'};
985: my %courseinfo =
986: &Apache::lonnet::coursedescription($course,
987: {'one_time' => 1});
988: if (! exists($courseinfo{'num'}) || $courseinfo{'num'} eq '') {
989: &Apache::lonnet::logthis('lookup for '.$course.' failed');
990: next;
991: }
992: $table .= '<tr>';
993: $table .=
994: '<td><nobr>'.$courseinfo{'description'}.'</nobr></td>';
995: $table .=
996: '<td align="right">'.$data->{'sections'}.'</td>';
997: $table .=
998: '<td align="right">'.$data->{'stdno'}.'</td>';
999: foreach ('avetries','difficulty','disc') {
1000: $table .= '<td align="right">';
1001: if (exists($data->{$_})) {
1002: $table .= sprintf('%.2f',$data->{$_}).' ';
1003: } else {
1004: $table .= '';
1005: }
1006: $table .= '</td>';
1007: }
1008: $table .=
1009: '<td><nobr>'.
1010: &Apache::lonlocal::locallocaltime($data->{'timestamp'}).
1011: '</nobr></td>';
1012: $table .=
1013: '</tr>'.$/;
1014: }
1015: $table .= '</table>'.$/;
1016: $r->print($table);
1017: } else {
1018: $r->print('No new dynamic data found.');
1019: }
1020: } else {
1021: $r->print('<h4>'.
1022: &mt('No Assessment Statistical Data is available for this resource').
1023: '</h4>');
1024: }
1025:
1026: #
1027: #
1028: if (exists($dynmeta{'clear'}) ||
1029: exists($dynmeta{'depth'}) ||
1030: exists($dynmeta{'helpful'}) ||
1031: exists($dynmeta{'correct'}) ||
1032: exists($dynmeta{'technical'})){
1033: $r->print('<h4>'.&mt('Evaluation Data').'</h4>'.
1034: '<table cellspacing="2" border="0">');
1035: foreach ('clear','depth','helpful','correct','technical') {
1036: $r->print('<tr><td bgcolor="#AAAAAA">'.$lt{$_}.'</td>'.
1037: '<td bgcolor="#CCCCCC">'.
1038: &prettyprint($_,$dynmeta{$_})."</td></tr>\n");
1039: }
1040: $r->print('</table>');
1041: } else {
1042: $r->print('<h4>'.&mt('No Evaluation Data is available for this resource.').'</h4>');
1043: }
1044: $uri=~/^\/res\/(\w+)\/(\w+)\//;
1045: if ((($env{'user.domain'} eq $1) && ($env{'user.name'} eq $2))
1046: || ($env{'user.role.ca./'.$1.'/'.$2})) {
1047: if (exists($dynmeta{'comments'})) {
1048: $r->print('<h4>'.&mt('Evaluation Comments').' ('.
1049: &mt('visible to author and co-authors only').
1050: ')</h4>'.
1051: '<blockquote>'.$dynmeta{'comments'}.'</blockquote>');
1052: } else {
1053: $r->print('<h4>'.&mt('There are no Evaluation Comments on this resource.').'</h4>');
1054: }
1055: my $bombs = &Apache::lonmsg::retrieve_author_res_msg($uri);
1056: if (defined($bombs) && $bombs ne '') {
1057: $r->print('<a name="bombs" /><h4>'.&mt('Error Messages').' ('.
1058: &mt('visible to author and co-authors only').')'.
1059: '</h4>'.$bombs);
1060: } else {
1061: $r->print('<h4>'.&mt('There are currently no Error Messages for this resource.').'</h4>');
1062: }
1063: }
1064: #
1065: # All other stuff
1066: $r->print('<h3>'.
1067: &mt('Additional Metadata (non-standard, parameters, exports)').
1068: '</h3><table border="0" cellspacing="1">');
1069: foreach (sort(keys(%content))) {
1070: my $name=$_;
1071: if ($name!~/\.display$/) {
1072: my $display=&Apache::lonnet::metadata($uri,
1073: $name.'.display');
1074: if (! $display) {
1075: $display=$name;
1076: };
1077: my $otherinfo='';
1078: foreach ('name','part','type','default') {
1079: if (defined(&Apache::lonnet::metadata($uri,
1080: $name.'.'.$_))) {
1081: $otherinfo.=' '.$_.'='.
1082: &Apache::lonnet::metadata($uri,
1083: $name.'.'.$_).'; ';
1084: }
1085: }
1086: $r->print('<tr><td bgcolor="#bbccbb"><font size="-1" color="#556655">'.$display.'</font></td><td bgcolor="#ccddcc"><font size="-1" color="#556655">'.$content{$name});
1087: if ($otherinfo) {
1088: $r->print(' ('.$otherinfo.')');
1089: }
1090: $r->print("</font></td></tr>\n");
1091: }
1092: }
1093: $r->print("</table>");
1094: return;
1095: }
1096:
1097:
1098:
1099: #####################################################
1100: #####################################################
1101: ### ###
1102: ### Editable metadata display ###
1103: ### ###
1104: #####################################################
1105: #####################################################
1106: sub present_editable_metadata {
1107: my ($r,$uri, $file_type) = @_;
1108: # Construction Space Call
1109: # Header
1110: my $disuri=$uri;
1111: my $fn=&Apache::lonnet::filelocation('',$uri);
1112: $disuri=~s{^/\~}{/priv/};
1113: $disuri=~s/\.meta$//;
1114: my $meta_uri = $disuri;
1115: my $path;
1116: if ($disuri =~ m|/portfolio/|) {
1117: ($disuri, $meta_uri, $path) = &portfolio_display_uri($disuri,1);
1118: }
1119: my $target=$uri;
1120: $target=~s{^/\~}{/res/$env{'request.role.domain'}/};
1121: $target=~s/\.meta$//;
1122: my $bombs=&Apache::lonmsg::retrieve_author_res_msg($target);
1123: if ($bombs) {
1124: my $showdel=1;
1125: if ($env{'form.delmsg'}) {
1126: if (&Apache::lonmsg::del_url_author_res_msg($target) eq 'ok') {
1127: $bombs=&mt('Messages deleted.');
1128: $showdel=0;
1129: } else {
1130: $bombs=&mt('Error deleting messages');
1131: }
1132: }
1133: if ($env{'form.clearmsg'}) {
1134: my $cleardir=$target;
1135: $cleardir=~s/\/[^\/]+$/\//;
1136: if (&Apache::lonmsg::clear_author_res_msg($cleardir) eq 'ok') {
1137: $bombs=&mt('Messages cleared.');
1138: $showdel=0;
1139: } else {
1140: $bombs=&mt('Error clearing messages');
1141: }
1142: }
1143: my $del=&mt('Delete Messages for this Resource');
1144: my $clear=&mt('Clear all Messages in Subdirectory');
1145: my $goback=&mt('Back to Source File');
1146: $r->print(<<ENDBOMBS);
1147: <h1>$disuri</h1>
1148: <form method="post" name="defaultmeta">
1149: ENDBOMBS
1150: if ($showdel) {
1151: $r->print(<<ENDDEL);
1152: <input type="submit" name="delmsg" value="$del" />
1153: <input type="submit" name="clearmsg" value="$clear" />
1154: ENDDEL
1155: } else {
1156: $r->print('<a href="'.$disuri.'" />'.$goback.'</a>');
1157: }
1158: $r->print('<br />'.$bombs);
1159: } else {
1160: my $displayfile='Catalog Information for '.$disuri;
1161: if ($disuri=~/\/default$/) {
1162: my $dir=$disuri;
1163: $dir=~s/default$//;
1164: $displayfile=
1165: &mt('Default Cataloging Information for Directory').' '.
1166: $dir;
1167: }
1168: %Apache::lonpublisher::metadatafields=();
1169: %Apache::lonpublisher::metadatakeys=();
1170: my $result=&Apache::lonnet::getfile($fn);
1171: if ($result == -1){
1172: $r->print(&mt('Creating new file [_1]'),$meta_uri);
1173: } else {
1174: &Apache::lonpublisher::metaeval($result);
1175: }
1176: $r->print(<<ENDEDIT);
1177: <h1>$displayfile</h1>
1178: <form method="post" name="defaultmeta">
1179: ENDEDIT
1180: $r->print('<script language="JavaScript">'.
1181: &Apache::loncommon::browser_and_searcher_javascript().
1182: '</script>');
1183: my %lt=&fieldnames($file_type);
1184: my $output;
1185: my @fields;
1186: if ($file_type eq 'portfolio') {
1187: @fields = ('author','title','subject','keywords','abstract',
1188: 'notes','lowestgradelevel',
1189: 'highestgradelevel','standards');
1190: } else {
1191: @fields = ('author','title','subject','keywords','abstract','notes',
1192: 'copyright','customdistributionfile','language',
1193: 'standards',
1194: 'lowestgradelevel','highestgradelevel','sourceavail','sourcerights',
1195: 'obsolete','obsoletereplacement');
1196: }
1197: if ((! $Apache::lonpublisher::metadatafields{'courserestricted'}) &&
1198: (! $env{'form.new_courserestricted'})) {
1199: $Apache::lonpublisher::metadatafields{'courserestricted'}=
1200: 'none';
1201: } elsif ($env{'form.new_courserestricted'}) {
1202: $Apache::lonpublisher::metadatafields{'courserestricted'}=
1203: $env{'form.new_courserestricted'};
1204: }
1205: if (! $Apache::lonpublisher::metadatafields{'copyright'}) {
1206: $Apache::lonpublisher::metadatafields{'copyright'}=
1207: 'default';
1208: }
1209: if ($file_type eq 'portfolio') {
1210: if (! $Apache::lonpublisher::metadatafields{'mime'}) {
1211: ($Apache::lonpublisher::metadatafields{'mime'}) =
1212: ( $target=~/\.(\w+)$/ );
1213: }
1214: if (! $Apache::lonpublisher::metadatafields{'owner'}) {
1215: $Apache::lonpublisher::metadatafields{'owner'} =
1216: $env{'user.name'}.':'.$env{'user.domain'};
1217: }
1218:
1219: if ($Apache::lonpublisher::metadatafields{'courserestricted'} ne 'none') {
1220: $r->print(&mt('Associated with course [_1]','<strong>'.$env{$Apache::lonpublisher::metadatafields{'courserestricted'}.".description"}.
1221: '</strong>').'<br />');
1222: } else {
1223: $r->print("This resource is not associated with a course.<br />");
1224: }
1225: }
1226: foreach my $field_name (@fields) {
1227:
1228: if (defined($env{'form.new_'.$field_name})) {
1229: $Apache::lonpublisher::metadatafields{$field_name}=
1230: join(',',&Apache::loncommon::get_env_multiple('form.new_'.$field_name));
1231: }
1232: if ($Apache::lonpublisher::metadatafields{'courserestricted'} ne 'none'
1233: && exists($env{$Apache::lonpublisher::metadatafields{'courserestricted'}.'.metadata.'.$field_name.'.options'})) {
1234: # handle restrictions here
1235: if (($env{$Apache::lonpublisher::metadatafields{'courserestricted'}.'.metadata.'.$field_name.'.options'} =~ m/active/) ||
1236: ($field_name eq 'courserestricted')){
1237: $output.=("\n".'<p>'.$lt{$field_name}.': '.
1238: &prettyinput($field_name,
1239: $Apache::lonpublisher::metadatafields{$field_name},
1240: 'new_'.$field_name,'defaultmeta',
1241: undef,undef,undef,undef,
1242: $Apache::lonpublisher::metadatafields{'courserestricted'}).'</p>'."\n");
1243: }
1244: } else {
1245:
1246: $output.=('<p>'.$lt{$field_name}.': '.
1247: &prettyinput($field_name,
1248: $Apache::lonpublisher::metadatafields{$field_name},
1249: 'new_'.$field_name,'defaultmeta').'</p>');
1250:
1251: }
1252: }
1253: if ($env{'form.store'}) {
1254: my $mfh;
1255: my $formname='store';
1256: my $file_content;
1257: if (&Apache::loncommon::get_env_multiple('form.new_keywords')) {
1258: $Apache::lonpublisher::metadatafields{'keywords'} =
1259: join (',', &Apache::loncommon::get_env_multiple('form.new_keywords'));
1260: }
1261:
1262: foreach (sort keys %Apache::lonpublisher::metadatafields) {
1263: next if ($_ =~ /\./);
1264: my $unikey=$_;
1265: $unikey=~/^([A-Za-z]+)/;
1266: my $tag=$1;
1267: $tag=~tr/A-Z/a-z/;
1268: $file_content.= "\n\<$tag";
1269: foreach (split(/\,/,
1270: $Apache::lonpublisher::metadatakeys{$unikey})
1271: ) {
1272: my $value=
1273: $Apache::lonpublisher::metadatafields{$unikey.'.'.$_};
1274: $value=~s/\"/\'\'/g;
1275: $file_content.=' '.$_.'="'.$value.'"' ;
1276: # print $mfh ' '.$_.'="'.$value.'"';
1277: }
1278: $file_content.= '>'.
1279: &HTML::Entities::encode
1280: ($Apache::lonpublisher::metadatafields{$unikey},
1281: '<>&"').
1282: '</'.$tag.'>';
1283: }
1284: if ($fn =~ m|^$Apache::lonnet::perlvar{'lonDocRoot'}/userfiles/portfolio/|) {
1285: my ($path, $new_fn) = ($fn =~ m|/(portfolio.*)/([^/]*)$|);
1286: $r->print(&store_portfolio_metadata($formname,$file_content,$path,
1287: $new_fn));
1288: } elsif ($fn =~ m|^$Apache::lonnet::perlvar{'lonDocRoot'}/userfiles/groups/\w+/portfolio/|) {
1289: my ($path, $new_fn) = ($fn =~ m|/(groups/\w+/portfolio.*)/([^/]*)$|);
1290: $r->print(&store_portfolio_metadata($formname,$file_content,$path,$new_fn));
1291: } else {
1292: if (! ($mfh=Apache::File->new('>'.$fn))) {
1293: $r->print('<p><font color="red">'.
1294: &mt('Could not write metadata').', '.
1295: &mt('FAIL').'</font></p>');
1296: } else {
1297: print $mfh $file_content;
1298: $r->print('<p><font color="blue">'.&mt('Wrote Metadata').
1299: ' '.&Apache::lonlocal::locallocaltime(time).
1300: '</font></p>');
1301: }
1302: }
1303: }
1304:
1305: $r->print($output.'<br /><input type="submit" name="store" value="'.
1306: &mt('Store Catalog Information').'">');
1307:
1308: if ($file_type eq 'portfolio') {
1309: my ($port_path,$group) = &get_port_path_and_group($uri);
1310: if ($group) {
1311: $r->print('<input type="hidden" name="group" value="'.$group.'" />');
1312: }
1313: $r->print('</form>
1314: <br /><br /><form method="POST" action="'.$port_path.'">'.
1315: '<input type="hidden" name="group" value="'.$group.'" />'.
1316: '<input type="hidden" name="currentpath" value="'.$path.'" />'.
1317: '<input type="submit" name="cancel" value="'.&mt('Discard Edits and Return to Portfolio').'">');
1318: }
1319: }
1320:
1321: $r->print('</form>');
1322:
1323: return;
1324: }
1325:
1326: sub store_portfolio_metadata {
1327: my ($formname,$content,$path,$new_fn) = @_;
1328: $env{'form.'.$formname}=$content."\n";
1329: $env{'form.'.$formname.'.filename'}=$new_fn;
1330: my $result =&Apache::lonnet::userfileupload($formname,'',$path);
1331: if ($result =~ /(error|notfound)/) {
1332: return '<p><font color="red">'.
1333: &mt('Could not write metadata').', '.
1334: &mt('FAIL').'</font></p>';
1335: } else {
1336: return '<p><font color="blue">'.&mt('Wrote Metadata').
1337: ' '.&Apache::lonlocal::locallocaltime(time).'</font></p>';
1338: }
1339: }
1340:
1341: 1;
1342: __END__
1343:
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