File:
[LON-CAPA] /
loncom /
interface /
lonmeta.pm
Revision
1.92:
download - view:
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annotated -
select for diffs
Thu Feb 17 08:29:43 2005 UTC (19 years, 3 months ago) by
albertel
Branches:
MAIN
CVS tags:
HEAD
- <html> -> &Apache::lonxml::xmlbegin, thus valid doctypes are now getting output, Yeah! StandardsCmpliance
- backing out the encoding changes for now
- some xhtml cleanups
- one icon -> lonhttpd
1: # The LearningOnline Network with CAPA
2: # Metadata display handler
3: #
4: # $Id: lonmeta.pm,v 1.92 2005/02/17 08:29:43 albertel 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 $file_type=shift;
240: if ($file_type eq 'portfolio') {
241: return &Apache::lonlocal::texthash
242: (
243: 'title' => 'Title',
244: 'author' =>'Author(s)',
245: 'authorspace' => 'Author Space',
246: 'modifyinguser' => 'Last Modifying User',
247: 'subject' => 'Subject',
248: 'keywords' => 'Keyword(s)',
249: 'notes' => 'Notes',
250: 'abstract' => 'Abstract',
251: 'lowestgradelevel' => 'Lowest Grade Level',
252: 'highestgradelevel' => 'Highest Grade Level');
253: } else {
254: return &Apache::lonlocal::texthash
255: (
256: 'title' => 'Title',
257: 'author' =>'Author(s)',
258: 'authorspace' => 'Author Space',
259: 'modifyinguser' => 'Last Modifying User',
260: 'subject' => 'Subject',
261: 'keywords' => 'Keyword(s)',
262: 'notes' => 'Notes',
263: 'abstract' => 'Abstract',
264: 'lowestgradelevel' => 'Lowest Grade Level',
265: 'highestgradelevel' => 'Highest Grade Level',
266: 'standards' => 'Standards',
267: 'mime' => 'MIME Type',
268: 'language' => 'Language',
269: 'creationdate' => 'Creation Date',
270: 'lastrevisiondate' => 'Last Revision Date',
271: 'owner' => 'Publisher/Owner',
272: 'copyright' => 'Copyright/Distribution',
273: 'customdistributionfile' => 'Custom Distribution File',
274: 'sourceavail' => 'Source Available',
275: 'sourcerights' => 'Source Custom Distribution File',
276: 'obsolete' => 'Obsolete',
277: 'obsoletereplacement' => 'Suggested Replacement for Obsolete File',
278: 'count' => 'Network-wide number of accesses (hits)',
279: 'course' => 'Network-wide number of courses using resource',
280: 'course_list' => 'Network-wide courses using resource',
281: 'sequsage' => 'Number of resources using or importing resource',
282: 'sequsage_list' => 'Resources using or importing resource',
283: 'goto' => 'Number of resources that follow this resource in maps',
284: 'goto_list' => 'Resources that follow this resource in maps',
285: 'comefrom' => 'Number of resources that lead up to this resource in maps',
286: 'comefrom_list' => 'Resources that lead up to this resource in maps',
287: 'clear' => 'Material presented in clear way',
288: 'depth' => 'Material covered with sufficient depth',
289: 'helpful' => 'Material is helpful',
290: 'correct' => 'Material appears to be correct',
291: 'technical' => 'Resource is technically correct',
292: 'avetries' => 'Average number of tries till solved',
293: 'stdno' => 'Total number of students who have worked on this problem',
294: 'difficulty' => 'Degree of difficulty',
295: 'disc' => 'Degree of discrimination',
296: 'dependencies' => 'Resources used by this resource',
297: );
298: }
299: }
300:
301: # Pretty printing of metadata field
302:
303: sub prettyprint {
304: my ($type,$value,$target,$prefix,$form,$noformat)=@_;
305: # $target,$prefix,$form are optional and for filecrumbs only
306: if (! defined($value)) {
307: return ' ';
308: }
309: # Title
310: if ($type eq 'title') {
311: return '<font size="+1" face="arial">'.$value.'</font>';
312: }
313: # Dates
314: if (($type eq 'creationdate') ||
315: ($type eq 'lastrevisiondate')) {
316: return ($value?&Apache::lonlocal::locallocaltime(
317: &Apache::lonmysql::unsqltime($value)):
318: &mt('not available'));
319: }
320: # Language
321: if ($type eq 'language') {
322: return &Apache::loncommon::languagedescription($value);
323: }
324: # Copyright
325: if ($type eq 'copyright') {
326: return &Apache::loncommon::copyrightdescription($value);
327: }
328: # Copyright
329: if ($type eq 'sourceavail') {
330: return &Apache::loncommon::source_copyrightdescription($value);
331: }
332: # MIME
333: if ($type eq 'mime') {
334: return '<img src="'.&Apache::loncommon::icon($value).'" /> '.
335: &Apache::loncommon::filedescription($value);
336: }
337: # Person
338: if (($type eq 'author') ||
339: ($type eq 'owner') ||
340: ($type eq 'modifyinguser') ||
341: ($type eq 'authorspace')) {
342: $value=~s/(\w+)(\:|\@)(\w+)/&authordisplay($1,$3)/gse;
343: return $value;
344: }
345: # Gradelevel
346: if (($type eq 'lowestgradelevel') ||
347: ($type eq 'highestgradelevel')) {
348: return &Apache::loncommon::gradeleveldescription($value);
349: }
350: # Only for advance users below
351: if (! $ENV{'user.adv'}) {
352: return '<i>- '.&mt('not displayed').' -</i>';
353: }
354: # File
355: if (($type eq 'customdistributionfile') ||
356: ($type eq 'obsoletereplacement') ||
357: ($type eq 'goto_list') ||
358: ($type eq 'comefrom_list') ||
359: ($type eq 'sequsage_list') ||
360: ($type eq 'dependencies')) {
361: return '<ul><font size="-1">'.join("\n",map {
362: my $url = &Apache::lonnet::clutter($_);
363: my $title = &Apache::lonnet::gettitle($url);
364: if ($title eq '') {
365: $title = 'Untitled';
366: if ($url =~ /\.sequence$/) {
367: $title .= ' Sequence';
368: } elsif ($url =~ /\.page$/) {
369: $title .= ' Page';
370: } elsif ($url =~ /\.problem$/) {
371: $title .= ' Problem';
372: } elsif ($url =~ /\.html$/) {
373: $title .= ' HTML document';
374: } elsif ($url =~ m:/syllabus$:) {
375: $title .= ' Syllabus';
376: }
377: }
378: $_ = '<li>'.$title.' '.
379: &Apache::lonhtmlcommon::crumbs($url,$target,$prefix,$form,'-1',$noformat).
380: '</li>'
381: } split(/\s*\,\s*/,$value)).'</ul></font>';
382: }
383: # Evaluations
384: if (($type eq 'clear') ||
385: ($type eq 'depth') ||
386: ($type eq 'helpful') ||
387: ($type eq 'correct') ||
388: ($type eq 'technical')) {
389: return &evalgraph($value);
390: }
391: # Difficulty
392: if ($type eq 'difficulty' || $type eq 'disc') {
393: return &diffgraph($value);
394: }
395: # List of courses
396: if ($type=~/\_list/) {
397: my @Courses = split(/\s*\,\s*/,$value);
398: my $Str;
399: foreach my $course (@Courses) {
400: my %courseinfo = &Apache::lonnet::coursedescription($course);
401: if (! exists($courseinfo{'num'}) || $courseinfo{'num'} eq '') {
402: next;
403: }
404: if ($Str ne '') { $Str .= '<br />'; }
405: $Str .= '<a href="/public/'.$courseinfo{'domain'}.'/'.
406: $courseinfo{'num'}.'/syllabus" target="preview">'.
407: $courseinfo{'description'}.'</a>';
408: }
409: return $Str;
410: }
411: # No pretty print found
412: return $value;
413: }
414:
415: # Pretty input of metadata field
416: sub direct {
417: return shift;
418: }
419:
420: sub selectbox {
421: my ($name,$value,$functionref,@idlist)=@_;
422: if (! defined($functionref)) {
423: $functionref=\&direct;
424: }
425: my $selout='<select name="'.$name.'">';
426: foreach (@idlist) {
427: $selout.='<option value=\''.$_.'\'';
428: if ($_ eq $value) {
429: $selout.=' selected>'.&{$functionref}($_).'</option>';
430: }
431: else {$selout.='>'.&{$functionref}($_).'</option>';}
432: }
433: return $selout.'</select>';
434: }
435:
436: sub relatedfield {
437: my ($show,$relatedsearchflag,$relatedsep,$fieldname,$relatedvalue)=@_;
438: if (! $relatedsearchflag) {
439: return '';
440: }
441: if (! defined($relatedsep)) {
442: $relatedsep=' ';
443: }
444: if (! $show) {
445: return $relatedsep.' ';
446: }
447: return $relatedsep.'<input type="checkbox" name="'.$fieldname.'_related"'.
448: ($relatedvalue?' checked="1"':'').' />';
449: }
450:
451: sub prettyinput {
452: my ($type,$value,$fieldname,$formname,
453: $relatedsearchflag,$relatedsep,$relatedvalue,$size)=@_;
454: if (! defined($size)) {
455: $size = 80;
456: }
457: # Language
458: if ($type eq 'language') {
459: return &selectbox($fieldname,
460: $value,
461: \&Apache::loncommon::languagedescription,
462: (&Apache::loncommon::languageids)).
463: &relatedfield(0,$relatedsearchflag,$relatedsep);
464: }
465: # Copyright
466: if ($type eq 'copyright') {
467: return &selectbox($fieldname,
468: $value,
469: \&Apache::loncommon::copyrightdescription,
470: (&Apache::loncommon::copyrightids)).
471: &relatedfield(0,$relatedsearchflag,$relatedsep);
472: }
473: # Source Copyright
474: if ($type eq 'sourceavail') {
475: return &selectbox($fieldname,
476: $value,
477: \&Apache::loncommon::source_copyrightdescription,
478: (&Apache::loncommon::source_copyrightids)).
479: &relatedfield(0,$relatedsearchflag,$relatedsep);
480: }
481: # Gradelevels
482: if (($type eq 'lowestgradelevel') ||
483: ($type eq 'highestgradelevel')) {
484: return &Apache::loncommon::select_level_form($value,$fieldname).
485: &relatedfield(0,$relatedsearchflag,$relatedsep);
486: }
487: # Obsolete
488: if ($type eq 'obsolete') {
489: return '<input type="checkbox" name="'.$fieldname.'"'.
490: ($value?' checked="1"':'').' />'.
491: &relatedfield(0,$relatedsearchflag,$relatedsep);
492: }
493: # Obsolete replacement file
494: if ($type eq 'obsoletereplacement') {
495: return '<input type="text" name="'.$fieldname.
496: '" size="60" value="'.$value.'" /><a href="javascript:openbrowser'.
497: "('".$formname."','".$fieldname."'".
498: ",'')\">".&mt('Select').'</a>'.
499: &relatedfield(0,$relatedsearchflag,$relatedsep);
500: }
501: # Customdistribution file
502: if ($type eq 'customdistributionfile') {
503: return '<input type="text" name="'.$fieldname.
504: '" size="60" value="'.$value.'" /><a href="javascript:openbrowser'.
505: "('".$formname."','".$fieldname."'".
506: ",'rights')\">".&mt('Select').'</a>'.
507: &relatedfield(0,$relatedsearchflag,$relatedsep);
508: }
509: # Source Customdistribution file
510: if ($type eq 'sourcerights') {
511: return '<input type="text" name="'.$fieldname.
512: '" size="60" value="'.$value.'" /><a href="javascript:openbrowser'.
513: "('".$formname."','".$fieldname."'".
514: ",'rights')\">".&mt('Select').'</a>'.
515: &relatedfield(0,$relatedsearchflag,$relatedsep);
516: }
517: # Dates
518: if (($type eq 'creationdate') ||
519: ($type eq 'lastrevisiondate')) {
520: return
521: &Apache::lonhtmlcommon::date_setter($formname,$fieldname,$value).
522: &relatedfield(0,$relatedsearchflag,$relatedsep);
523: }
524: # No pretty input found
525: $value=~s/^\s+//gs;
526: $value=~s/\s+$//gs;
527: $value=~s/\s+/ /gs;
528: $value=~s/\"/\"\;/gs;
529: return
530: '<input type="text" name="'.$fieldname.'" size="'.$size.'" '.
531: 'value="'.$value.'" />'.
532: &relatedfield(1,$relatedsearchflag,$relatedsep,$fieldname,
533: $relatedvalue);
534: }
535:
536: # Main Handler
537: sub handler {
538: my $r=shift;
539: #
540: my $uri=$r->uri;
541: #
542: # Set document type
543: &Apache::loncommon::content_type($r,'text/html');
544: $r->send_http_header;
545: return OK if $r->header_only;
546: #
547: my ($resdomain,$resuser)=
548: (&Apache::lonnet::declutter($uri)=~/^(\w+)\/(\w+)\//);
549: my $html=&Apache::lonxml::xmlbegin();
550: $r->print($html.'<head><title>'.
551: 'Catalog Information'.
552: '</title></head>');
553: if ($uri=~m:/adm/bombs/(.*)$:) {
554: $r->print(&Apache::loncommon::bodytag('Error Messages'));
555: # Looking for all bombs?
556: &report_bombs($r,$uri);
557: } elsif ($uri=~/\/portfolio\//) {
558: $r->print(&Apache::loncommon::bodytag
559: ('Edit Portfolio File Information','','','',$resdomain));
560: &present_editable_metadata($r,$uri,'portfolio');
561:
562: } elsif ($uri=~/^\/\~/) {
563: # Construction space
564: $r->print(&Apache::loncommon::bodytag
565: ('Edit Catalog Information','','','',$resdomain));
566: &present_editable_metadata($r,$uri);
567: } else {
568: $r->print(&Apache::loncommon::bodytag
569: ('Catalog Information','','','',$resdomain));
570: &present_uneditable_metadata($r,$uri);
571: }
572: $r->print('</body></html>');
573: return OK;
574: }
575:
576: #####################################################
577: #####################################################
578: ### ###
579: ### Report Bombs ###
580: ### ###
581: #####################################################
582: #####################################################
583: sub report_bombs {
584: my ($r,$uri) = @_;
585: # Set document type
586: $uri =~ s:/adm/bombs/::;
587: $uri = &Apache::lonnet::declutter($uri);
588: $r->print('<h1>'.&Apache::lonnet::clutter($uri).'</h1>');
589: my ($domain,$author)=($uri=~/^(\w+)\/(\w+)\//);
590: if (&Apache::loncacc::constructaccess('/~'.$author.'/',$domain)) {
591: my %brokenurls =
592: &Apache::lonmsg::all_url_author_res_msg($author,$domain);
593: foreach (sort(keys(%brokenurls))) {
594: if ($_=~/^\Q$uri\E/) {
595: $r->print
596: ('<a href="'.&Apache::lonnet::clutter($_).'">'.$_.'</a>'.
597: &Apache::lonmsg::retrieve_author_res_msg($_).
598: '<hr />');
599: }
600: }
601: } else {
602: $r->print(&mt('Not authorized'));
603: }
604: return;
605: }
606:
607: #####################################################
608: #####################################################
609: ### ###
610: ### Uneditable Metadata Display ###
611: ### ###
612: #####################################################
613: #####################################################
614: sub present_uneditable_metadata {
615: my ($r,$uri) = @_;
616: #
617: my %content=();
618: # Read file
619: foreach (split(/\,/,&Apache::lonnet::metadata($uri,'keys'))) {
620: $content{$_}=&Apache::lonnet::metadata($uri,$_);
621: }
622: # Render Output
623: # displayed url
624: my ($thisversion)=($uri=~/\.(\d+)\.(\w+)\.meta$/);
625: $uri=~s/\.meta$//;
626: my $disuri=&Apache::lonnet::clutter($uri);
627: # version
628: my $currentversion=&Apache::lonnet::getversion($disuri);
629: my $versiondisplay='';
630: if ($thisversion) {
631: $versiondisplay=&mt('Version').': '.$thisversion.
632: ' ('.&mt('most recent version').': '.
633: ($currentversion>0 ?
634: $currentversion :
635: &mt('information not available')).')';
636: } else {
637: $versiondisplay='Version: '.$currentversion;
638: }
639: # crumbify displayed URL uri target prefix form size
640: $disuri=&Apache::lonhtmlcommon::crumbs($disuri,undef, undef, undef,'+1');
641: $disuri =~ s:<br />::g;
642: # obsolete
643: my $obsolete=$content{'obsolete'};
644: my $obsoletewarning='';
645: if (($obsolete) && ($ENV{'user.adv'})) {
646: $obsoletewarning='<p><font color="red">'.
647: &mt('This resource has been marked obsolete by the author(s)').
648: '</font></p>';
649: }
650: #
651: my %lt=&fieldnames();
652: my $table='';
653: my $title = $content{'title'};
654: if (! defined($title)) {
655: $title = 'Untitled Resource';
656: }
657: foreach ('title',
658: 'author',
659: 'subject',
660: 'keywords',
661: 'notes',
662: 'abstract',
663: 'lowestgradelevel',
664: 'highestgradelevel',
665: 'standards',
666: 'mime',
667: 'language',
668: 'creationdate',
669: 'lastrevisiondate',
670: 'owner',
671: 'copyright',
672: 'customdistributionfile',
673: 'sourceavail',
674: 'sourcerights',
675: 'obsolete',
676: 'obsoletereplacement') {
677: $table.='<tr><td bgcolor="#AAAAAA">'.$lt{$_}.
678: '</td><td bgcolor="#CCCCCC">'.
679: &prettyprint($_,$content{$_}).'</td></tr>';
680: delete $content{$_};
681: }
682: #
683: $r->print(<<ENDHEAD);
684: <h2>$title</h2>
685: <p>
686: $disuri<br />
687: $obsoletewarning
688: $versiondisplay
689: </p>
690: <table cellspacing="2" border="0">
691: $table
692: </table>
693: ENDHEAD
694: if ($ENV{'user.adv'}) {
695: &print_dynamic_metadata($r,$uri,\%content);
696: }
697: return;
698: }
699:
700: sub print_dynamic_metadata {
701: my ($r,$uri,$content) = @_;
702: #
703: my %content = %$content;
704: my %lt=&fieldnames();
705: #
706: my $description = 'Dynamic Metadata (updated periodically)';
707: $r->print('<h3>'.&mt($description).'</h3>'.
708: &mt('Processing'));
709: $r->rflush();
710: my %items=&fieldnames();
711: my %dynmeta=&dynamicmeta($uri);
712: #
713: # General Access and Usage Statistics
714: if (exists($dynmeta{'count'}) ||
715: exists($dynmeta{'sequsage'}) ||
716: exists($dynmeta{'comefrom'}) ||
717: exists($dynmeta{'goto'}) ||
718: exists($dynmeta{'course'})) {
719: $r->print('<h4>'.&mt('Access and Usage Statistics').'</h4>'.
720: '<table cellspacing="2" border="0">');
721: foreach ('count',
722: 'sequsage','sequsage_list',
723: 'comefrom','comefrom_list',
724: 'goto','goto_list',
725: 'course','course_list') {
726: $r->print('<tr><td bgcolor="#AAAAAA">'.$lt{$_}.'</td>'.
727: '<td bgcolor="#CCCCCC">'.
728: &prettyprint($_,$dynmeta{$_})."</td></tr>\n");
729: }
730: $r->print('</table>');
731: } else {
732: $r->print('<h4>'.&mt('No Access or Usages Statistics are available for this resource.').'</h4>');
733: }
734: #
735: # Assessment statistics
736: if ($uri=~/\.(problem|exam|quiz|assess|survey|form)$/) {
737: if (exists($dynmeta{'stdno'}) ||
738: exists($dynmeta{'avetries'}) ||
739: exists($dynmeta{'difficulty'}) ||
740: exists($dynmeta{'disc'})) {
741: # This is an assessment, print assessment data
742: $r->print('<h4>'.
743: &mt('Overall Assessment Statistical Data').
744: '</h4>'.
745: '<table cellspacing="2" border="0">');
746: $r->print('<tr><td bgcolor="#AAAAAA">'.$lt{'stdno'}.'</td>'.
747: '<td bgcolor="#CCCCCC">'.
748: &prettyprint('stdno',$dynmeta{'stdno'}).
749: '</td>'."</tr>\n");
750: foreach ('avetries','difficulty','disc') {
751: $r->print('<tr><td bgcolor="#AAAAAA">'.$lt{$_}.'</td>'.
752: '<td bgcolor="#CCCCCC">'.
753: &prettyprint($_,sprintf('%5.2f',$dynmeta{$_})).
754: '</td>'."</tr>\n");
755: }
756: $r->print('</table>');
757: }
758: if (exists($dynmeta{'stats'})) {
759: #
760: # New assessment statistics
761: $r->print('<h4>'.
762: &mt('Detailed Assessment Statistical Data').
763: '</h4>');
764: my $table = '<table cellspacing="2" border="0">'.
765: '<tr>'.
766: '<th>Course</th>'.
767: '<th>Section(s)</th>'.
768: '<th>Num Students</th>'.
769: '<th>Mean Tries</th>'.
770: '<th>Degree of Difficulty</th>'.
771: '<th>Degree of Discrimination</th>'.
772: '<th>Time of computation</th>'.
773: '</tr>'.$/;
774: foreach my $identifier (sort(keys(%{$dynmeta{'stats'}}))) {
775: my $data = $dynmeta{'stats'}->{$identifier};
776: my $course = $data->{'course'};
777: my %courseinfo = &Apache::lonnet::coursedescription($course);
778: if (! exists($courseinfo{'num'}) || $courseinfo{'num'} eq '') {
779: &Apache::lonnet::logthis('lookup for '.$course.' failed');
780: next;
781: }
782: $table .= '<tr>';
783: $table .=
784: '<td><nobr>'.$courseinfo{'description'}.'</nobr></td>';
785: $table .=
786: '<td align="right">'.$data->{'sections'}.'</td>';
787: $table .=
788: '<td align="right">'.$data->{'stdno'}.'</td>';
789: foreach ('avetries','difficulty','disc') {
790: $table .= '<td align="right">';
791: if (exists($data->{$_})) {
792: $table .= sprintf('%.2f',$data->{$_}).' ';
793: } else {
794: $table .= '';
795: }
796: $table .= '</td>';
797: }
798: $table .=
799: '<td><nobr>'.
800: &Apache::lonlocal::locallocaltime($data->{'timestamp'}).
801: '</nobr></td>';
802: $table .=
803: '</tr>'.$/;
804: }
805: $table .= '</table>'.$/;
806: $r->print($table);
807: } else {
808: $r->print('No new dynamic data found.');
809: }
810: } else {
811: $r->print('<h4>'.
812: &mt('No Assessment Statistical Data is available for this resource').
813: '</h4>');
814: }
815:
816: #
817: #
818: if (exists($dynmeta{'clear'}) ||
819: exists($dynmeta{'depth'}) ||
820: exists($dynmeta{'helpful'}) ||
821: exists($dynmeta{'correct'}) ||
822: exists($dynmeta{'technical'})){
823: $r->print('<h4>'.&mt('Evaluation Data').'</h4>'.
824: '<table cellspacing="2" border="0">');
825: foreach ('clear','depth','helpful','correct','technical') {
826: $r->print('<tr><td bgcolor="#AAAAAA">'.$lt{$_}.'</td>'.
827: '<td bgcolor="#CCCCCC">'.
828: &prettyprint($_,$dynmeta{$_})."</td></tr>\n");
829: }
830: $r->print('</table>');
831: } else {
832: $r->print('<h4>'.&mt('No Evaluation Data is available for this resource.').'</h4>');
833: }
834: $uri=~/^\/res\/(\w+)\/(\w+)\//;
835: if ((($ENV{'user.domain'} eq $1) && ($ENV{'user.name'} eq $2))
836: || ($ENV{'user.role.ca./'.$1.'/'.$2})) {
837: if (exists($dynmeta{'comments'})) {
838: $r->print('<h4>'.&mt('Evaluation Comments').' ('.
839: &mt('visible to author and co-authors only').
840: ')</h4>'.
841: '<blockquote>'.$dynmeta{'comments'}.'</blockquote>');
842: } else {
843: $r->print('<h4>'.&mt('There are no Evaluation Comments on this resource.').'</h4>');
844: }
845: my $bombs = &Apache::lonmsg::retrieve_author_res_msg($uri);
846: if (defined($bombs) && $bombs ne '') {
847: $r->print('<a name="bombs" /><h4>'.&mt('Error Messages').' ('.
848: &mt('visible to author and co-authors only').')'.
849: '</h4>'.$bombs);
850: } else {
851: $r->print('<h4>'.&mt('There are currently no Error Messages for this resource.').'</h4>');
852: }
853: }
854: #
855: # All other stuff
856: $r->print('<h3>'.
857: &mt('Additional Metadata (non-standard, parameters, exports)').
858: '</h3><table border="0" cellspacing="1">');
859: foreach (sort(keys(%content))) {
860: my $name=$_;
861: if ($name!~/\.display$/) {
862: my $display=&Apache::lonnet::metadata($uri,
863: $name.'.display');
864: if (! $display) {
865: $display=$name;
866: };
867: my $otherinfo='';
868: foreach ('name','part','type','default') {
869: if (defined(&Apache::lonnet::metadata($uri,
870: $name.'.'.$_))) {
871: $otherinfo.=' '.$_.'='.
872: &Apache::lonnet::metadata($uri,
873: $name.'.'.$_).'; ';
874: }
875: }
876: $r->print('<tr><td bgcolor="#bbccbb"><font size="-1" color="#556655">'.$display.'</font></td><td bgcolor="#ccddcc"><font size="-1" color="#556655">'.$content{$name});
877: if ($otherinfo) {
878: $r->print(' ('.$otherinfo.')');
879: }
880: $r->print("</font></td></tr>\n");
881: }
882: }
883: $r->print("</table>");
884: return;
885: }
886:
887: #####################################################
888: #####################################################
889: ### ###
890: ### Editable metadata display ###
891: ### ###
892: #####################################################
893: #####################################################
894: sub present_editable_metadata {
895: my ($r,$uri, $file_type) = @_;
896: # Construction Space Call
897: # Header
898: my $disuri=$uri;
899: my $fn=&Apache::lonnet::filelocation('',$uri);
900: $disuri=~s/^\/\~/\/priv\//;
901: $disuri=~s/\.meta$//;
902: my $target=$uri;
903: $target=~s/^\/\~/\/res\/$ENV{'request.role.domain'}\//;
904: $target=~s/\.meta$//;
905: my $bombs=&Apache::lonmsg::retrieve_author_res_msg($target);
906: if ($bombs) {
907: if ($ENV{'form.delmsg'}) {
908: if (&Apache::lonmsg::del_url_author_res_msg($target) eq 'ok') {
909: $bombs=&mt('Messages deleted.');
910: } else {
911: $bombs=&mt('Error deleting messages');
912: }
913: }
914: my $del=&mt('Delete Messages');
915: $r->print(<<ENDBOMBS);
916: <h1>$disuri</h1>
917: <form method="post" name="defaultmeta">
918: <input type="submit" name="delmsg" value="$del" />
919: <br />$bombs
920: ENDBOMBS
921: } else {
922: my $displayfile='Catalog Information for '.$disuri;
923: if ($disuri=~/\/default$/) {
924: my $dir=$disuri;
925: $dir=~s/default$//;
926: $displayfile=
927: &mt('Default Cataloging Information for Directory').' '.
928: $dir;
929: }
930: %Apache::lonpublisher::metadatafields=();
931: %Apache::lonpublisher::metadatakeys=();
932: &Apache::lonpublisher::metaeval(&Apache::lonnet::getfile($fn));
933: $r->print(<<ENDEDIT);
934: <h1>$displayfile</h1>
935: <form method="post" name="defaultmeta">
936: ENDEDIT
937: $r->print('<script language="JavaScript">'.
938: &Apache::loncommon::browser_and_searcher_javascript().
939: '</script>');
940: my %lt=&fieldnames($file_type);
941: my $output;
942: my @fields;
943: if ($file_type eq 'portfolio') {
944: @fields = ('author','title','subject','keywords','abstract','notes','lowestgradelevel',
945: 'highestgradelevel');
946: } else {
947: @fields = ('author','title','subject','keywords','abstract','notes',
948: 'copyright','customdistributionfile','language',
949: 'standards',
950: 'lowestgradelevel','highestgradelevel','sourceavail','sourcerights',
951: 'obsolete','obsoletereplacement');
952: }
953: foreach (@fields) {
954: if (defined($ENV{'form.new_'.$_})) {
955: $Apache::lonpublisher::metadatafields{$_}=
956: $ENV{'form.new_'.$_};
957: }
958: if (! $Apache::lonpublisher::metadatafields{'copyright'}) {
959: $Apache::lonpublisher::metadatafields{'copyright'}=
960: 'default';
961: }
962: $output.=('<p>'.$lt{$_}.': '.
963: &prettyinput($_,
964: $Apache::lonpublisher::metadatafields{$_},
965: 'new_'.$_,'defaultmeta').'</p>');
966: }
967: if ($ENV{'form.store'}) {
968: my $mfh;
969: if (! ($mfh=Apache::File->new('>'.$fn))) {
970: $r->print('<p><font color="red">'.
971: &mt('Could not write metadata').', '.
972: &mt('FAIL').'</font></p>');
973: } else {
974: foreach (sort keys %Apache::lonpublisher::metadatafields) {
975: next if ($_ =~ /\./);
976: my $unikey=$_;
977: $unikey=~/^([A-Za-z]+)/;
978: my $tag=$1;
979: $tag=~tr/A-Z/a-z/;
980: print $mfh "\n\<$tag";
981: foreach (split(/\,/,
982: $Apache::lonpublisher::metadatakeys{$unikey})
983: ) {
984: my $value=
985: $Apache::lonpublisher::metadatafields{$unikey.'.'.$_};
986: $value=~s/\"/\'\'/g;
987: print $mfh ' '.$_.'="'.$value.'"';
988: }
989: print $mfh '>'.
990: &HTML::Entities::encode
991: ($Apache::lonpublisher::metadatafields{$unikey},
992: '<>&"').
993: '</'.$tag.'>';
994: }
995: $r->print('<p><font color="blue">'.&mt('Wrote Metadata').
996: ' '.&Apache::lonlocal::locallocaltime(time).
997: '</font></p>');
998: }
999: }
1000: $r->print($output.'<br /><input type="submit" name="store" value="'.
1001: &mt('Store Catalog Information').'">');
1002: }
1003: $r->print('</form>');
1004: return;
1005: }
1006:
1007: 1;
1008: __END__
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