File:
[LON-CAPA] /
loncom /
interface /
lonmeta.pm
Revision
1.135:
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Thu Dec 8 02:17:56 2005 UTC (18 years, 6 months ago) by
banghart
Branches:
MAIN
CVS tags:
HEAD
New lables for buttons if portfolio metadata (not catalog info)
Better message telling what course provides metadata framework
Don't display the courserestricting metadata field in case
of no course restricting metadata.
Minor style stuff
1: # The LearningOnline Network with CAPA
2: # Metadata display handler
3: #
4: # $Id: lonmeta.pm,v 1.135 2005/12/08 02:17:56 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:
43:
44: ############################################################
45: ############################################################
46: ##
47: ## &get_dynamic_metadata_from_sql($url)
48: ##
49: ## Queries sql database for dynamic metdata
50: ## Returns a hash of hashes, with keys of urls which match $url
51: ## Returned fields are given below.
52: ##
53: ## Examples:
54: ##
55: ## %DynamicMetadata = &Apache::lonmeta::get_dynmaic_metadata_from_sql
56: ## ('/res/msu/korte/');
57: ##
58: ## $DynamicMetadata{'/res/msu/korte/example.problem'}->{$field}
59: ##
60: ############################################################
61: ############################################################
62: sub get_dynamic_metadata_from_sql {
63: my ($url) = shift();
64: my ($authordom,$author)=($url=~m:^/res/(\w+)/(\w+)/:);
65: if (! defined($authordom)) {
66: $authordom = shift();
67: }
68: if (! defined($author)) {
69: $author = shift();
70: }
71: if (! defined($authordom) || ! defined($author)) {
72: return ();
73: }
74: my @Fields = ('url','count','course',
75: 'goto','goto_list',
76: 'comefrom','comefrom_list',
77: 'sequsage','sequsage_list',
78: 'stdno','stdno_list',
79: 'dependencies',
80: 'avetries','avetries_list',
81: 'difficulty','difficulty_list',
82: 'disc','disc_list',
83: 'clear','technical','correct',
84: 'helpful','depth');
85: #
86: my $query = 'SELECT '.join(',',@Fields).
87: ' FROM metadata WHERE url LIKE "'.$url.'%"';
88: my $server = &Apache::lonnet::homeserver($author,$authordom);
89: my $reply = &Apache::lonnet::metadata_query($query,undef,undef,
90: ,[$server]);
91: return () if (! defined($reply) || ref($reply) ne 'HASH');
92: my $filename = $reply->{$server};
93: if (! defined($filename) || $filename =~ /^error/) {
94: return ();
95: }
96: my $max_time = time + 10; # wait 10 seconds for results at most
97: my %ReturnHash;
98: #
99: # Look for results
100: my $finished = 0;
101: while (! $finished && time < $max_time) {
102: my $datafile=$Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/'.$filename;
103: if (! -e "$datafile.end") { next; }
104: my $fh;
105: if (!($fh=Apache::File->new($datafile))) { next; }
106: while (my $result = <$fh>) {
107: chomp($result);
108: next if (! $result);
109: my @Data =
110: map {
111: &Apache::lonnet::unescape($_);
112: } split(',',$result);
113: my $url = $Data[0];
114: for (my $i=0;$i<=$#Fields;$i++) {
115: $ReturnHash{$url}->{$Fields[$i]}=$Data[$i];
116: }
117: }
118: $finished = 1;
119: }
120: #
121: return %ReturnHash;
122: }
123:
124:
125: # Fetch and evaluate dynamic metadata
126: sub dynamicmeta {
127: my $url=&Apache::lonnet::declutter(shift);
128: $url=~s/\.meta$//;
129: my ($adomain,$aauthor)=($url=~/^(\w+)\/(\w+)\//);
130: my $regexp=$url;
131: $regexp=~s/(\W)/\\$1/g;
132: $regexp='___'.$regexp.'___';
133: my %evaldata=&Apache::lonnet::dump('nohist_resevaldata',$adomain,
134: $aauthor,$regexp);
135: my %DynamicData = &LONCAPA::lonmetadata::process_reseval_data(\%evaldata);
136: my %Data = &LONCAPA::lonmetadata::process_dynamic_metadata($url,
137: \%DynamicData);
138: #
139: # Deal with 'count' separately
140: $Data{'count'} = &access_count($url,$aauthor,$adomain);
141: #
142: # Debugging code I will probably need later
143: if (0) {
144: &Apache::lonnet::logthis('Dynamic Metadata');
145: while(my($k,$v)=each(%Data)){
146: &Apache::lonnet::logthis(' "'.$k.'"=>"'.$v.'"');
147: }
148: &Apache::lonnet::logthis('-------------------');
149: }
150: return %Data;
151: }
152:
153: sub access_count {
154: my ($src,$author,$adomain) = @_;
155: my %countdata=&Apache::lonnet::dump('nohist_accesscount',$adomain,
156: $author,$src);
157: if (! exists($countdata{$src})) {
158: return &mt('Not Available');
159: } else {
160: return $countdata{$src};
161: }
162: }
163:
164: # Try to make an alt tag if there is none
165: sub alttag {
166: my ($base,$src)=@_;
167: my $fullpath=&Apache::lonnet::hreflocation($base,$src);
168: my $alttag=&Apache::lonnet::metadata($fullpath,'title').' '.
169: &Apache::lonnet::metadata($fullpath,'subject').' '.
170: &Apache::lonnet::metadata($fullpath,'abstract');
171: $alttag=~s/\s+/ /gs;
172: $alttag=~s/\"//gs;
173: $alttag=~s/\'//gs;
174: $alttag=~s/\s+$//gs;
175: $alttag=~s/^\s+//gs;
176: if ($alttag) {
177: return $alttag;
178: } else {
179: return &mt('No information available');
180: }
181: }
182:
183: # Author display
184: sub authordisplay {
185: my ($aname,$adom)=@_;
186: return &Apache::loncommon::aboutmewrapper
187: (&Apache::loncommon::plainname($aname,$adom),
188: $aname,$adom,'preview').' <tt>['.$aname.'@'.$adom.']</tt>';
189: }
190:
191: # Pretty display
192: sub evalgraph {
193: my $value=shift;
194: if (! $value) {
195: return '';
196: }
197: my $val=int($value*10.+0.5)-10;
198: my $output='<table border="0" cellpadding="0" cellspacing="0"><tr>';
199: if ($val>=20) {
200: $output.='<td width="20" bgcolor="#555555">  </td>';
201: } else {
202: $output.='<td width="'.($val).'" bgcolor="#555555"> </td>'.
203: '<td width="'.(20-$val).'" bgcolor="#FF3333"> </td>';
204: }
205: $output.='<td bgcolor="#FFFF33"> </td>';
206: if ($val>20) {
207: $output.='<td width="'.($val-20).'" bgcolor="#33FF33"> </td>'.
208: '<td width="'.(40-$val).'" bgcolor="#555555"> </td>';
209: } else {
210: $output.='<td width="20" bgcolor="#555555">  </td>';
211: }
212: $output.='<td> ('.sprintf("%5.2f",$value).') </td></tr></table>';
213: return $output;
214: }
215:
216: sub diffgraph {
217: my $value=shift;
218: if (! $value) {
219: return '';
220: }
221: my $val=int(40.0*$value+0.5);
222: my @colors=('#FF9933','#EEAA33','#DDBB33','#CCCC33',
223: '#BBDD33','#CCCC33','#DDBB33','#EEAA33');
224: my $output='<table border="0" cellpadding="0" cellspacing="0"><tr>';
225: for (my $i=0;$i<8;$i++) {
226: if ($val>$i*5) {
227: $output.='<td width="5" bgcolor="'.$colors[$i].'"> </td>';
228: } else {
229: $output.='<td width="5" bgcolor="#555555"> </td>';
230: }
231: }
232: $output.='<td> ('.sprintf("%3.2f",$value).') </td></tr></table>';
233: return $output;
234: }
235:
236:
237: # The field names
238: sub fieldnames {
239: my $file_type=shift;
240: my %fields =
241: ('title' => 'Title',
242: 'author' =>'Author(s)',
243: 'authorspace' => 'Author Space',
244: 'modifyinguser' => 'Last Modifying User',
245: 'subject' => 'Subject',
246: 'standards' => 'Standards',
247: 'keywords' => 'Keyword(s)',
248: 'notes' => 'Notes',
249: 'abstract' => 'Abstract',
250: 'lowestgradelevel' => 'Lowest Grade Level',
251: 'highestgradelevel' => 'Highest Grade Level',
252: 'courserestricted' => 'Course Restricting Metadata');
253:
254: if (! defined($file_type) || $file_type ne 'portfolio') {
255: %fields =
256: (%fields,
257: 'domain' => 'Domain',
258: 'mime' => 'MIME Type',
259: 'language' => 'Language',
260: 'creationdate' => 'Creation Date',
261: 'lastrevisiondate' => 'Last Revision Date',
262: 'owner' => 'Publisher/Owner',
263: 'copyright' => 'Copyright/Distribution',
264: 'customdistributionfile' => 'Custom Distribution File',
265: 'sourceavail' => 'Source Available',
266: 'sourcerights' => 'Source Custom Distribution File',
267: 'obsolete' => 'Obsolete',
268: 'obsoletereplacement' => 'Suggested Replacement for Obsolete File',
269: 'count' => 'Network-wide number of accesses (hits)',
270: 'course' => 'Network-wide number of courses using resource',
271: 'course_list' => 'Network-wide courses using resource',
272: 'sequsage' => 'Number of resources using or importing resource',
273: 'sequsage_list' => 'Resources using or importing resource',
274: 'goto' => 'Number of resources that follow this resource in maps',
275: 'goto_list' => 'Resources that follow this resource in maps',
276: 'comefrom' => 'Number of resources that lead up to this resource in maps',
277: 'comefrom_list' => 'Resources that lead up to this resource in maps',
278: 'clear' => 'Material presented in clear way',
279: 'depth' => 'Material covered with sufficient depth',
280: 'helpful' => 'Material is helpful',
281: 'correct' => 'Material appears to be correct',
282: 'technical' => 'Resource is technically correct',
283: 'avetries' => 'Average number of tries till solved',
284: 'stdno' => 'Total number of students who have worked on this problem',
285: 'difficulty' => 'Degree of difficulty',
286: 'disc' => 'Degree of discrimination',
287: 'dependencies' => 'Resources used by this resource',
288: );
289: }
290: return &Apache::lonlocal::texthash(%fields);
291: }
292:
293: sub select_course {
294: my ($r)=@_;
295: my %courses;
296: foreach my $key (keys (%env)) {
297: if ($key =~ m/\.metadata\./) {
298: $key =~ m/^course\.(.+)(\.metadata.+$)/;
299: my $course = $1;
300: my $coursekey = 'course.'.$course.'.description';
301: my $value = $env{$coursekey};
302: $courses{$coursekey} = $value;
303: }
304: }
305: $r->print('<h3>Course Related Meta-Data</h3><br />');
306: $r->print('<form action="" method="post">');
307: $r->print('Select course restrictions<br />');
308: $r->print('<select name="metacourse" >');
309: my $meta_not_found = 1;
310: foreach my $key (keys (%courses)) {
311: if ($meta_not_found) {
312: undef($meta_not_found);
313: $r->print('<h3>Portfolio Meta-Data</h3><br />');
314: $r->print('<form action="" method="post">');
315: $r->print('Select your course<br />');
316: $r->print('<select name="metacourse" >');
317: }
318: $key =~ m/(^.+)\.description$/;
319: $r->print('<option value="'.$1.'">');
320: $r->print($courses{$key});
321: $r->print('</option>');
322: }
323: unless ($meta_not_found) {
324: $r->print('</select><br />');
325: $r->print('<input type="submit" value="Assign Portfolio Metadata" />');
326: $r->print('</form>');
327: }
328: return 'ok';
329: }
330: # Pretty printing of metadata field
331:
332: sub prettyprint {
333: my ($type,$value,$target,$prefix,$form,$noformat)=@_;
334: # $target,$prefix,$form are optional and for filecrumbs only
335: if (! defined($value)) {
336: return ' ';
337: }
338: # Title
339: if ($type eq 'title') {
340: return '<font size="+1" face="arial">'.$value.'</font>';
341: }
342: # Dates
343: if (($type eq 'creationdate') ||
344: ($type eq 'lastrevisiondate')) {
345: return ($value?&Apache::lonlocal::locallocaltime(
346: &Apache::lonmysql::unsqltime($value)):
347: &mt('not available'));
348: }
349: # Language
350: if ($type eq 'language') {
351: return &Apache::loncommon::languagedescription($value);
352: }
353: # Copyright
354: if ($type eq 'copyright') {
355: return &Apache::loncommon::copyrightdescription($value);
356: }
357: # Copyright
358: if ($type eq 'sourceavail') {
359: return &Apache::loncommon::source_copyrightdescription($value);
360: }
361: # MIME
362: if ($type eq 'mime') {
363: return '<img src="'.&Apache::loncommon::icon($value).'" /> '.
364: &Apache::loncommon::filedescription($value);
365: }
366: # Person
367: if (($type eq 'author') ||
368: ($type eq 'owner') ||
369: ($type eq 'modifyinguser') ||
370: ($type eq 'authorspace')) {
371: $value=~s/(\w+)(\:|\@)(\w+)/&authordisplay($1,$3)/gse;
372: return $value;
373: }
374: # Gradelevel
375: if (($type eq 'lowestgradelevel') ||
376: ($type eq 'highestgradelevel')) {
377: return &Apache::loncommon::gradeleveldescription($value);
378: }
379: # Only for advance users below
380: if (! $env{'user.adv'}) {
381: return '<i>- '.&mt('not displayed').' -</i>';
382: }
383: # File
384: if (($type eq 'customdistributionfile') ||
385: ($type eq 'obsoletereplacement') ||
386: ($type eq 'goto_list') ||
387: ($type eq 'comefrom_list') ||
388: ($type eq 'sequsage_list') ||
389: ($type eq 'dependencies')) {
390: return '<ul><font size="-1">'.join("\n",map {
391: my $url = &Apache::lonnet::clutter($_);
392: my $title = &Apache::lonnet::gettitle($url);
393: if ($title eq '') {
394: $title = 'Untitled';
395: if ($url =~ /\.sequence$/) {
396: $title .= ' Sequence';
397: } elsif ($url =~ /\.page$/) {
398: $title .= ' Page';
399: } elsif ($url =~ /\.problem$/) {
400: $title .= ' Problem';
401: } elsif ($url =~ /\.html$/) {
402: $title .= ' HTML document';
403: } elsif ($url =~ m:/syllabus$:) {
404: $title .= ' Syllabus';
405: }
406: }
407: $_ = '<li>'.$title.' '.
408: &Apache::lonhtmlcommon::crumbs($url,$target,$prefix,$form,'-1',$noformat).
409: '</li>'
410: } split(/\s*\,\s*/,$value)).'</ul></font>';
411: }
412: # Evaluations
413: if (($type eq 'clear') ||
414: ($type eq 'depth') ||
415: ($type eq 'helpful') ||
416: ($type eq 'correct') ||
417: ($type eq 'technical')) {
418: return &evalgraph($value);
419: }
420: # Difficulty
421: if ($type eq 'difficulty' || $type eq 'disc') {
422: return &diffgraph($value);
423: }
424: # List of courses
425: if ($type=~/\_list/) {
426: my @Courses = split(/\s*\,\s*/,$value);
427: my $Str;
428: foreach my $course (@Courses) {
429: my %courseinfo = &Apache::lonnet::coursedescription($course);
430: if (! exists($courseinfo{'num'}) || $courseinfo{'num'} eq '') {
431: next;
432: }
433: if ($Str ne '') { $Str .= '<br />'; }
434: $Str .= '<a href="/public/'.$courseinfo{'domain'}.'/'.
435: $courseinfo{'num'}.'/syllabus" target="preview">'.
436: $courseinfo{'description'}.'</a>';
437: }
438: return $Str;
439: }
440: # No pretty print found
441: return $value;
442: }
443:
444: # Pretty input of metadata field
445: sub direct {
446: return shift;
447: }
448:
449: sub selectbox {
450: my ($name,$value,$functionref,@idlist)=@_;
451: if (! defined($functionref)) {
452: $functionref=\&direct;
453: }
454: my $selout='<select name="'.$name.'">';
455: foreach (@idlist) {
456: $selout.='<option value=\''.$_.'\'';
457: if ($_ eq $value) {
458: $selout.=' selected>'.&{$functionref}($_).'</option>';
459: }
460: else {$selout.='>'.&{$functionref}($_).'</option>';}
461: }
462: return $selout.'</select>';
463: }
464:
465: sub relatedfield {
466: my ($show,$relatedsearchflag,$relatedsep,$fieldname,$relatedvalue)=@_;
467: if (! $relatedsearchflag) {
468: return '';
469: }
470: if (! defined($relatedsep)) {
471: $relatedsep=' ';
472: }
473: if (! $show) {
474: return $relatedsep.' ';
475: }
476: return $relatedsep.'<input type="checkbox" name="'.$fieldname.'_related"'.
477: ($relatedvalue?' checked="1"':'').' />';
478: }
479:
480: sub prettyinput {
481: my ($type,$value,$fieldname,$formname,
482: $relatedsearchflag,$relatedsep,$relatedvalue,$size,$course_key)=@_;
483: if (! defined($size)) {
484: $size = 80;
485: }
486: my $output;
487: if (defined($course_key)) {
488: my $stu_add;
489: my $only_one;
490: my %meta_options;
491: my @cur_values_inst;
492: my $cur_values_stu;
493: my $values = $env{$course_key.'.metadata.'.$type.'.values'};
494: if ($env{$course_key.'.metadata.'.$type.'.options'} =~ m/stuadd/) {
495: $stu_add = 'true';
496: }
497: if ($env{$course_key.'.metadata.'.$type.'.options'} =~ m/onlyone/) {
498: $only_one = 'true';
499: }
500: # need to take instructor values out of list where instructor and student
501: # values may be mixed.
502: if ($values) {
503: foreach my $item (split(/,/,$values)) {
504: $item =~ s/^\s+//;
505: $meta_options{$item} = $item;
506: }
507: foreach my $item (split(/,/,$value)) {
508: $item =~ s/^\s+//;
509: if ($meta_options{$item}) {
510: push(@cur_values_inst,$item);
511: } else {
512: $cur_values_stu .= $item.',';
513: }
514: }
515: } else {
516: $cur_values_stu = $value;
517: }
518: if ($type eq 'courserestricted') {
519: return ('<input type="hidden" name="new_courserestricted" value="'.$course_key.'" />');
520: }
521: if (($type eq 'keywords') || ($type eq 'subject')
522: || ($type eq 'author')||($type eq 'notes')
523: || ($type eq 'abstract')|| ($type eq 'title')|| ($type eq 'standards')) {
524: if ($values) {
525: if ($only_one) {
526: $output .= (&Apache::loncommon::select_form($cur_values_inst[0],'new_'.$type,%meta_options));
527: } else {
528: $output .= (&Apache::loncommon::multiple_select_form('new_'.$type,\@cur_values_inst,undef,\%meta_options));
529: }
530: }
531: if ($stu_add) {
532: $output .= '<input type="text" name="'.$fieldname.'" size="'.$size.'" '.
533: 'value="'.$cur_values_stu.'" />'.
534: &relatedfield(1,$relatedsearchflag,$relatedsep,$fieldname,
535: $relatedvalue);
536: }
537: return ($output);
538: }
539: if (($type eq 'lowestgradelevel') ||
540: ($type eq 'highestgradelevel')) {
541: return &Apache::loncommon::select_level_form($value,$fieldname).
542: &relatedfield(0,$relatedsearchflag,$relatedsep);
543: }
544: return();
545: }
546: # Language
547: if ($type eq 'language') {
548: return &selectbox($fieldname,
549: $value,
550: \&Apache::loncommon::languagedescription,
551: (&Apache::loncommon::languageids)).
552: &relatedfield(0,$relatedsearchflag,$relatedsep);
553: }
554: # Copyright
555: if ($type eq 'copyright') {
556: return &selectbox($fieldname,
557: $value,
558: \&Apache::loncommon::copyrightdescription,
559: (&Apache::loncommon::copyrightids)).
560: &relatedfield(0,$relatedsearchflag,$relatedsep);
561: }
562: # Source Copyright
563: if ($type eq 'sourceavail') {
564: return &selectbox($fieldname,
565: $value,
566: \&Apache::loncommon::source_copyrightdescription,
567: (&Apache::loncommon::source_copyrightids)).
568: &relatedfield(0,$relatedsearchflag,$relatedsep);
569: }
570: # Gradelevels
571: if (($type eq 'lowestgradelevel') ||
572: ($type eq 'highestgradelevel')) {
573: return &Apache::loncommon::select_level_form($value,$fieldname).
574: &relatedfield(0,$relatedsearchflag,$relatedsep);
575: }
576: # Obsolete
577: if ($type eq 'obsolete') {
578: return '<input type="checkbox" name="'.$fieldname.'"'.
579: ($value?' checked="1"':'').' />'.
580: &relatedfield(0,$relatedsearchflag,$relatedsep);
581: }
582: # Obsolete replacement file
583: if ($type eq 'obsoletereplacement') {
584: return '<input type="text" name="'.$fieldname.
585: '" size="60" value="'.$value.'" /><a href="javascript:openbrowser'.
586: "('".$formname."','".$fieldname."'".
587: ",'')\">".&mt('Select').'</a>'.
588: &relatedfield(0,$relatedsearchflag,$relatedsep);
589: }
590: # Customdistribution file
591: if ($type eq 'customdistributionfile') {
592: return '<input type="text" name="'.$fieldname.
593: '" size="60" value="'.$value.'" /><a href="javascript:openbrowser'.
594: "('".$formname."','".$fieldname."'".
595: ",'rights')\">".&mt('Select').'</a>'.
596: &relatedfield(0,$relatedsearchflag,$relatedsep);
597: }
598: # Source Customdistribution file
599: if ($type eq 'sourcerights') {
600: return '<input type="text" name="'.$fieldname.
601: '" size="60" value="'.$value.'" /><a href="javascript:openbrowser'.
602: "('".$formname."','".$fieldname."'".
603: ",'rights')\">".&mt('Select').'</a>'.
604: &relatedfield(0,$relatedsearchflag,$relatedsep);
605: }
606: if ($type eq 'courserestricted') {
607: return ('<input type="hidden" name="new_courserestricted" value="'.$course_key.'" />');
608: }
609:
610: # Dates
611: if (($type eq 'creationdate') ||
612: ($type eq 'lastrevisiondate')) {
613: return
614: &Apache::lonhtmlcommon::date_setter($formname,$fieldname,$value).
615: &relatedfield(0,$relatedsearchflag,$relatedsep);
616: }
617: # No pretty input found
618: $value=~s/^\s+//gs;
619: $value=~s/\s+$//gs;
620: $value=~s/\s+/ /gs;
621: $value=~s/\"/\"\;/gs;
622: return
623: '<input type="text" name="'.$fieldname.'" size="'.$size.'" '.
624: 'value="'.$value.'" />'.
625: &relatedfield(1,$relatedsearchflag,$relatedsep,$fieldname,
626: $relatedvalue);
627: }
628:
629: # Main Handler
630: sub handler {
631: my $r=shift;
632: #
633: my $uri=$r->uri;
634: #
635: # Set document type
636: &Apache::loncommon::content_type($r,'text/html');
637: $r->send_http_header;
638: return OK if $r->header_only;
639: #
640: my ($resdomain,$resuser)=
641: (&Apache::lonnet::declutter($uri)=~/^(\w+)\/(\w+)\//);
642: my $html=&Apache::lonxml::xmlbegin();
643: $r->print($html.'<head><title>'.
644: 'Catalog Information'.
645: '</title></head>');
646: if ($uri=~m:/adm/bombs/(.*)$:) {
647: $r->print(&Apache::loncommon::bodytag('Error Messages'));
648: # Looking for all bombs?
649: &report_bombs($r,$uri);
650: } elsif ($uri=~/\/portfolio\//) {
651: ($resdomain,$resuser)=
652: (&Apache::lonnet::declutter($uri)=~m|^(\w+)/(\w+)/portfolio|);
653: $r->print(&Apache::loncommon::bodytag
654: ('Edit Portfolio File Information','','','',$resdomain));
655: &present_editable_metadata($r,$uri,'portfolio');
656: &select_course($r);
657: } elsif ($uri=~/^\/\~/) {
658: # Construction space
659: $r->print(&Apache::loncommon::bodytag
660: ('Edit Catalog Information','','','',$resdomain));
661: &present_editable_metadata($r,$uri);
662: } else {
663: $r->print(&Apache::loncommon::bodytag
664: ('Catalog Information','','','',$resdomain));
665: &present_uneditable_metadata($r,$uri);
666: }
667: $r->print('</body></html>');
668: return OK;
669: }
670:
671: #####################################################
672: #####################################################
673: ### ###
674: ### Report Bombs ###
675: ### ###
676: #####################################################
677: #####################################################
678: sub report_bombs {
679: my ($r,$uri) = @_;
680: # Set document type
681: $uri =~ s:/adm/bombs/::;
682: $uri = &Apache::lonnet::declutter($uri);
683: $r->print('<h1>'.&Apache::lonnet::clutter($uri).'</h1>');
684: my ($domain,$author)=($uri=~/^(\w+)\/(\w+)\//);
685: if (&Apache::loncacc::constructaccess('/~'.$author.'/',$domain)) {
686: if ($env{'form.clearbombs'}) {
687: &Apache::lonmsg::clear_author_res_msg($uri);
688: }
689: my $clear=&mt('Clear all Messages in Subdirectory');
690: $r->print(<<ENDCLEAR);
691: <form method="post">
692: <input type="submit" name="clearbombs" value="$clear" />
693: </form>
694: ENDCLEAR
695: my %brokenurls =
696: &Apache::lonmsg::all_url_author_res_msg($author,$domain);
697: foreach (sort(keys(%brokenurls))) {
698: if ($_=~/^\Q$uri\E/) {
699: $r->print
700: ('<a href="'.&Apache::lonnet::clutter($_).'">'.$_.'</a>'.
701: &Apache::lonmsg::retrieve_author_res_msg($_).
702: '<hr />');
703: }
704: }
705: } else {
706: $r->print(&mt('Not authorized'));
707: }
708: return;
709: }
710:
711: #####################################################
712: #####################################################
713: ### ###
714: ### Uneditable Metadata Display ###
715: ### ###
716: #####################################################
717: #####################################################
718: sub present_uneditable_metadata {
719: my ($r,$uri) = @_;
720: #
721: my %content=();
722: # Read file
723: foreach (split(/\,/,&Apache::lonnet::metadata($uri,'keys'))) {
724: $content{$_}=&Apache::lonnet::metadata($uri,$_);
725: }
726: # Render Output
727: # displayed url
728: my ($thisversion)=($uri=~/\.(\d+)\.(\w+)\.meta$/);
729: $uri=~s/\.meta$//;
730: my $disuri=&Apache::lonnet::clutter($uri);
731: # version
732: my $currentversion=&Apache::lonnet::getversion($disuri);
733: my $versiondisplay='';
734: if ($thisversion) {
735: $versiondisplay=&mt('Version').': '.$thisversion.
736: ' ('.&mt('most recent version').': '.
737: ($currentversion>0 ?
738: $currentversion :
739: &mt('information not available')).')';
740: } else {
741: $versiondisplay='Version: '.$currentversion;
742: }
743: # crumbify displayed URL uri target prefix form size
744: $disuri=&Apache::lonhtmlcommon::crumbs($disuri,undef, undef, undef,'+1');
745: $disuri =~ s:<br />::g;
746: # obsolete
747: my $obsolete=$content{'obsolete'};
748: my $obsoletewarning='';
749: if (($obsolete) && ($env{'user.adv'})) {
750: $obsoletewarning='<p><font color="red">'.
751: &mt('This resource has been marked obsolete by the author(s)').
752: '</font></p>';
753: }
754: #
755: my %lt=&fieldnames();
756: my $table='';
757: my $title = $content{'title'};
758: if (! defined($title)) {
759: $title = 'Untitled Resource';
760: }
761: foreach ('title',
762: 'author',
763: 'subject',
764: 'keywords',
765: 'notes',
766: 'abstract',
767: 'lowestgradelevel',
768: 'highestgradelevel',
769: 'standards',
770: 'mime',
771: 'language',
772: 'creationdate',
773: 'lastrevisiondate',
774: 'owner',
775: 'copyright',
776: 'customdistributionfile',
777: 'sourceavail',
778: 'sourcerights',
779: 'obsolete',
780: 'obsoletereplacement') {
781: $table.='<tr><td bgcolor="#AAAAAA">'.$lt{$_}.
782: '</td><td bgcolor="#CCCCCC">'.
783: &prettyprint($_,$content{$_}).'</td></tr>';
784: delete $content{$_};
785: }
786: #
787: $r->print(<<ENDHEAD);
788: <h2>$title</h2>
789: <p>
790: $disuri<br />
791: $obsoletewarning
792: $versiondisplay
793: </p>
794: <table cellspacing="2" border="0">
795: $table
796: </table>
797: ENDHEAD
798: if ($env{'user.adv'}) {
799: &print_dynamic_metadata($r,$uri,\%content);
800: }
801: return;
802: }
803:
804: sub print_dynamic_metadata {
805: my ($r,$uri,$content) = @_;
806: #
807: my %content = %$content;
808: my %lt=&fieldnames();
809: #
810: my $description = 'Dynamic Metadata (updated periodically)';
811: $r->print('<h3>'.&mt($description).'</h3>'.
812: &mt('Processing'));
813: $r->rflush();
814: my %items=&fieldnames();
815: my %dynmeta=&dynamicmeta($uri);
816: #
817: # General Access and Usage Statistics
818: if (exists($dynmeta{'count'}) ||
819: exists($dynmeta{'sequsage'}) ||
820: exists($dynmeta{'comefrom'}) ||
821: exists($dynmeta{'goto'}) ||
822: exists($dynmeta{'course'})) {
823: $r->print('<h4>'.&mt('Access and Usage Statistics').'</h4>'.
824: '<table cellspacing="2" border="0">');
825: foreach ('count',
826: 'sequsage','sequsage_list',
827: 'comefrom','comefrom_list',
828: 'goto','goto_list',
829: 'course','course_list') {
830: $r->print('<tr><td bgcolor="#AAAAAA">'.$lt{$_}.'</td>'.
831: '<td bgcolor="#CCCCCC">'.
832: &prettyprint($_,$dynmeta{$_})."</td></tr>\n");
833: }
834: $r->print('</table>');
835: } else {
836: $r->print('<h4>'.&mt('No Access or Usages Statistics are available for this resource.').'</h4>');
837: }
838: #
839: # Assessment statistics
840: if ($uri=~/\.(problem|exam|quiz|assess|survey|form)$/) {
841: if (exists($dynmeta{'stdno'}) ||
842: exists($dynmeta{'avetries'}) ||
843: exists($dynmeta{'difficulty'}) ||
844: exists($dynmeta{'disc'})) {
845: # This is an assessment, print assessment data
846: $r->print('<h4>'.
847: &mt('Overall Assessment Statistical Data').
848: '</h4>'.
849: '<table cellspacing="2" border="0">');
850: $r->print('<tr><td bgcolor="#AAAAAA">'.$lt{'stdno'}.'</td>'.
851: '<td bgcolor="#CCCCCC">'.
852: &prettyprint('stdno',$dynmeta{'stdno'}).
853: '</td>'."</tr>\n");
854: foreach ('avetries','difficulty','disc') {
855: $r->print('<tr><td bgcolor="#AAAAAA">'.$lt{$_}.'</td>'.
856: '<td bgcolor="#CCCCCC">'.
857: &prettyprint($_,sprintf('%5.2f',$dynmeta{$_})).
858: '</td>'."</tr>\n");
859: }
860: $r->print('</table>');
861: }
862: if (exists($dynmeta{'stats'})) {
863: #
864: # New assessment statistics
865: $r->print('<h4>'.
866: &mt('Detailed Assessment Statistical Data').
867: '</h4>');
868: my $table = '<table cellspacing="2" border="0">'.
869: '<tr>'.
870: '<th>Course</th>'.
871: '<th>Section(s)</th>'.
872: '<th>Num Students</th>'.
873: '<th>Mean Tries</th>'.
874: '<th>Degree of Difficulty</th>'.
875: '<th>Degree of Discrimination</th>'.
876: '<th>Time of computation</th>'.
877: '</tr>'.$/;
878: foreach my $identifier (sort(keys(%{$dynmeta{'stats'}}))) {
879: my $data = $dynmeta{'stats'}->{$identifier};
880: my $course = $data->{'course'};
881: my %courseinfo = &Apache::lonnet::coursedescription($course);
882: if (! exists($courseinfo{'num'}) || $courseinfo{'num'} eq '') {
883: &Apache::lonnet::logthis('lookup for '.$course.' failed');
884: next;
885: }
886: $table .= '<tr>';
887: $table .=
888: '<td><nobr>'.$courseinfo{'description'}.'</nobr></td>';
889: $table .=
890: '<td align="right">'.$data->{'sections'}.'</td>';
891: $table .=
892: '<td align="right">'.$data->{'stdno'}.'</td>';
893: foreach ('avetries','difficulty','disc') {
894: $table .= '<td align="right">';
895: if (exists($data->{$_})) {
896: $table .= sprintf('%.2f',$data->{$_}).' ';
897: } else {
898: $table .= '';
899: }
900: $table .= '</td>';
901: }
902: $table .=
903: '<td><nobr>'.
904: &Apache::lonlocal::locallocaltime($data->{'timestamp'}).
905: '</nobr></td>';
906: $table .=
907: '</tr>'.$/;
908: }
909: $table .= '</table>'.$/;
910: $r->print($table);
911: } else {
912: $r->print('No new dynamic data found.');
913: }
914: } else {
915: $r->print('<h4>'.
916: &mt('No Assessment Statistical Data is available for this resource').
917: '</h4>');
918: }
919:
920: #
921: #
922: if (exists($dynmeta{'clear'}) ||
923: exists($dynmeta{'depth'}) ||
924: exists($dynmeta{'helpful'}) ||
925: exists($dynmeta{'correct'}) ||
926: exists($dynmeta{'technical'})){
927: $r->print('<h4>'.&mt('Evaluation Data').'</h4>'.
928: '<table cellspacing="2" border="0">');
929: foreach ('clear','depth','helpful','correct','technical') {
930: $r->print('<tr><td bgcolor="#AAAAAA">'.$lt{$_}.'</td>'.
931: '<td bgcolor="#CCCCCC">'.
932: &prettyprint($_,$dynmeta{$_})."</td></tr>\n");
933: }
934: $r->print('</table>');
935: } else {
936: $r->print('<h4>'.&mt('No Evaluation Data is available for this resource.').'</h4>');
937: }
938: $uri=~/^\/res\/(\w+)\/(\w+)\//;
939: if ((($env{'user.domain'} eq $1) && ($env{'user.name'} eq $2))
940: || ($env{'user.role.ca./'.$1.'/'.$2})) {
941: if (exists($dynmeta{'comments'})) {
942: $r->print('<h4>'.&mt('Evaluation Comments').' ('.
943: &mt('visible to author and co-authors only').
944: ')</h4>'.
945: '<blockquote>'.$dynmeta{'comments'}.'</blockquote>');
946: } else {
947: $r->print('<h4>'.&mt('There are no Evaluation Comments on this resource.').'</h4>');
948: }
949: my $bombs = &Apache::lonmsg::retrieve_author_res_msg($uri);
950: if (defined($bombs) && $bombs ne '') {
951: $r->print('<a name="bombs" /><h4>'.&mt('Error Messages').' ('.
952: &mt('visible to author and co-authors only').')'.
953: '</h4>'.$bombs);
954: } else {
955: $r->print('<h4>'.&mt('There are currently no Error Messages for this resource.').'</h4>');
956: }
957: }
958: #
959: # All other stuff
960: $r->print('<h3>'.
961: &mt('Additional Metadata (non-standard, parameters, exports)').
962: '</h3><table border="0" cellspacing="1">');
963: foreach (sort(keys(%content))) {
964: my $name=$_;
965: if ($name!~/\.display$/) {
966: my $display=&Apache::lonnet::metadata($uri,
967: $name.'.display');
968: if (! $display) {
969: $display=$name;
970: };
971: my $otherinfo='';
972: foreach ('name','part','type','default') {
973: if (defined(&Apache::lonnet::metadata($uri,
974: $name.'.'.$_))) {
975: $otherinfo.=' '.$_.'='.
976: &Apache::lonnet::metadata($uri,
977: $name.'.'.$_).'; ';
978: }
979: }
980: $r->print('<tr><td bgcolor="#bbccbb"><font size="-1" color="#556655">'.$display.'</font></td><td bgcolor="#ccddcc"><font size="-1" color="#556655">'.$content{$name});
981: if ($otherinfo) {
982: $r->print(' ('.$otherinfo.')');
983: }
984: $r->print("</font></td></tr>\n");
985: }
986: }
987: $r->print("</table>");
988: return;
989: }
990:
991:
992:
993: #####################################################
994: #####################################################
995: ### ###
996: ### Editable metadata display ###
997: ### ###
998: #####################################################
999: #####################################################
1000: sub present_editable_metadata {
1001: my ($r,$uri, $file_type) = @_;
1002: # Construction Space Call
1003: # Header
1004: my $disuri=$uri;
1005: my $fn=&Apache::lonnet::filelocation('',$uri);
1006: $disuri=~s/^\/\~/\/priv\//;
1007: $disuri=~s/\.meta$//;
1008: $disuri=~s|^/editupload||;
1009: my $target=$uri;
1010: $target=~s/^\/\~/\/res\/$env{'request.role.domain'}\//;
1011: $target=~s/\.meta$//;
1012: my $bombs=&Apache::lonmsg::retrieve_author_res_msg($target);
1013: if ($bombs) {
1014: my $showdel=1;
1015: if ($env{'form.delmsg'}) {
1016: if (&Apache::lonmsg::del_url_author_res_msg($target) eq 'ok') {
1017: $bombs=&mt('Messages deleted.');
1018: $showdel=0;
1019: } else {
1020: $bombs=&mt('Error deleting messages');
1021: }
1022: }
1023: if ($env{'form.clearmsg'}) {
1024: my $cleardir=$target;
1025: $cleardir=~s/\/[^\/]+$/\//;
1026: if (&Apache::lonmsg::clear_author_res_msg($cleardir) eq 'ok') {
1027: $bombs=&mt('Messages cleared.');
1028: $showdel=0;
1029: } else {
1030: $bombs=&mt('Error clearing messages');
1031: }
1032: }
1033: my $del=&mt('Delete Messages for this Resource');
1034: my $clear=&mt('Clear all Messages in Subdirectory');
1035: my $goback=&mt('Back to Source File');
1036: $r->print(<<ENDBOMBS);
1037: <h1>$disuri</h1>
1038: <form method="post" name="defaultmeta">
1039: ENDBOMBS
1040: if ($showdel) {
1041: $r->print(<<ENDDEL);
1042: <input type="submit" name="delmsg" value="$del" />
1043: <input type="submit" name="clearmsg" value="$clear" />
1044: ENDDEL
1045: } else {
1046: $r->print('<a href="'.$disuri.'" />'.$goback.'</a>');
1047: }
1048: $r->print('<br />'.$bombs);
1049: } else {
1050: my $displayfile='Catalog Information for '.$disuri;
1051: if ($disuri=~/\/default$/) {
1052: my $dir=$disuri;
1053: $dir=~s/default$//;
1054: $displayfile=
1055: &mt('Default Cataloging Information for Directory').' '.
1056: $dir;
1057: }
1058: %Apache::lonpublisher::metadatafields=();
1059: %Apache::lonpublisher::metadatakeys=();
1060: my $result=&Apache::lonnet::getfile($fn);
1061: if ($result == -1){
1062: $r->print('Creating new '.$disuri);
1063: } else {
1064: &Apache::lonpublisher::metaeval($result);
1065: }
1066: $r->print(<<ENDEDIT);
1067: <h1>$displayfile</h1>
1068: <form method="post" name="defaultmeta">
1069: ENDEDIT
1070: $r->print('<script language="JavaScript">'.
1071: &Apache::loncommon::browser_and_searcher_javascript().
1072: '</script>');
1073: my %lt=&fieldnames($file_type);
1074: my $output;
1075: my @fields;
1076: if ($file_type eq 'portfolio') {
1077: @fields = ('author','title','subject','keywords','abstract','notes','lowestgradelevel',
1078: 'highestgradelevel','standards','courserestricted');
1079: } else {
1080: @fields = ('author','title','subject','keywords','abstract','notes',
1081: 'copyright','customdistributionfile','language',
1082: 'standards',
1083: 'lowestgradelevel','highestgradelevel','sourceavail','sourcerights',
1084: 'obsolete','obsoletereplacement');
1085: }
1086: my $metacourse;
1087: if ($env{'form.metacourse'} ) {
1088: $Apache::lonpublisher::metadatafields{'courserestricted'} = $env{'form.metacourse'};
1089: $metacourse = $env{'form.metacourse'};
1090: } else {
1091: if (! $Apache::lonpublisher::metadatafields{'courserestricted'}) {
1092: $Apache::lonpublisher::metadatafields{'courserestricted'}=
1093: 'none';
1094: $metacourse = 'none';
1095: } else {
1096: $metacourse = $Apache::lonpublisher::metadatafields{'courserestricted'};
1097: }
1098: }
1099: if (! $Apache::lonpublisher::metadatafields{'copyright'}) {
1100: $Apache::lonpublisher::metadatafields{'copyright'}=
1101: 'default';
1102: }
1103: if ($metacourse ne 'none') {
1104: $r->print('Using: <strong> '.$env{$metacourse.".description"}."</strong> metadata framework<br />");
1105: }
1106: foreach my $field_name(@fields) {
1107:
1108: if (defined($env{'form.new_'.$field_name})) {
1109: $Apache::lonpublisher::metadatafields{$field_name}=
1110: join(',',&Apache::loncommon::get_env_multiple('form.new_'.$field_name));
1111: }
1112: if ($metacourse ne 'none') {
1113: # handle restrictions here
1114: if ($env{$metacourse.'.metadata.'.$field_name.'.options'} =~ m/active/){
1115: $output.=('<p>'.$lt{$field_name}.': '.
1116: &prettyinput($field_name,
1117: $Apache::lonpublisher::metadatafields{$field_name},
1118: 'new_'.$field_name,'defaultmeta',undef,undef,undef,undef,$metacourse).'</p>');
1119: } elsif ($field_name eq 'courserestricted') {
1120: $output.=(
1121: &prettyinput($field_name,
1122: $Apache::lonpublisher::metadatafields{$field_name},
1123: 'new_'.$field_name,'defaultmeta',undef,undef,undef,undef,$metacourse));
1124: }
1125: } else {
1126: if ($field_name ne 'courserestricted') {
1127: $output.=('<p>'.$lt{$field_name}.': '.
1128: &prettyinput($field_name,
1129: $Apache::lonpublisher::metadatafields{$field_name},
1130: 'new_'.$field_name,'defaultmeta').'</p>');
1131: } else {
1132: $output.=&prettyinput($field_name,
1133: $Apache::lonpublisher::metadatafields{$field_name},
1134: 'new_'.$field_name,'defaultmeta');
1135: }
1136: }
1137: }
1138: if ($env{'form.store'}) {
1139: my $mfh;
1140: my $formname='store';
1141: my $file_content;
1142: foreach my $meta_field (keys %env) {
1143: if (&Apache::loncommon::get_env_multiple('form.new_keywords')) {
1144: $Apache::lonpublisher::metadatafields{'keywords'} =
1145: join (',', &Apache::loncommon::get_env_multiple('form.new_keywords'));
1146: }
1147: }
1148: foreach (sort keys %Apache::lonpublisher::metadatafields) {
1149: next if ($_ =~ /\./);
1150: my $unikey=$_;
1151: $unikey=~/^([A-Za-z]+)/;
1152: my $tag=$1;
1153: $tag=~tr/A-Z/a-z/;
1154: $file_content.= "\n\<$tag";
1155: foreach (split(/\,/,
1156: $Apache::lonpublisher::metadatakeys{$unikey})
1157: ) {
1158: my $value=
1159: $Apache::lonpublisher::metadatafields{$unikey.'.'.$_};
1160: $value=~s/\"/\'\'/g;
1161: $file_content.=' '.$_.'="'.$value.'"' ;
1162: # print $mfh ' '.$_.'="'.$value.'"';
1163: }
1164: $file_content.= '>'.
1165: &HTML::Entities::encode
1166: ($Apache::lonpublisher::metadatafields{$unikey},
1167: '<>&"').
1168: '</'.$tag.'>';
1169: }
1170: if ($fn =~ /\/portfolio\//) {
1171: $fn =~ /\/portfolio\/(.*)$/;
1172: my $new_fn = '/'.$1;
1173: $env{'form.'.$formname}=$file_content."\n";
1174: $env{'form.'.$formname.'.filename'}=$new_fn;
1175: &Apache::lonnet::userfileupload('uploaddoc','',
1176: 'portfolio'.$env{'form.currentpath'});
1177: if (&Apache::lonnet::userfileupload($formname,'','portfolio') eq 'error: no uploaded file') {
1178: $r->print('<p><font color="red">'.
1179: &mt('Could not write metadata').', '.
1180: &mt('FAIL').'</font></p>');
1181: } else {
1182: $r->print('<p><font color="blue">'.&mt('Wrote Metadata').
1183: ' '.&Apache::lonlocal::locallocaltime(time).
1184: '</font></p>');
1185: }
1186: } else {
1187: if (! ($mfh=Apache::File->new('>'.$fn))) {
1188: $r->print('<p><font color="red">'.
1189: &mt('Could not write metadata').', '.
1190: &mt('FAIL').'</font></p>');
1191: } else {
1192: print $mfh $file_content;
1193: $r->print('<p><font color="blue">'.&mt('Wrote Metadata').
1194: ' '.&Apache::lonlocal::locallocaltime(time).
1195: '</font></p>');
1196: }
1197: }
1198: }
1199: my $button_label;
1200: if ($fn =~ /\/portfolio\//) {
1201: $button_label = 'Store Metadata';
1202: } else {
1203: $button_label = 'Store Catalog Information';
1204: }
1205: $r->print($output.'<br /><input type="submit" name="store" value="'.
1206: &mt($button_label).'">');
1207: }
1208: $r->print('</form>');
1209: return;
1210: }
1211:
1212: 1;
1213: __END__
1214:
1215:
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