1: # The LearningOnline Network with CAPA
2: # Metadata display handler
3: #
4: # $Id: lonmeta.pm,v 1.64 2004/04/13 14:42:24 matthew 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: # MySQL table columns
44:
45: my @columns;
46:
47: # Fetch and evaluate dynamic metadata
48: sub dynamicmeta {
49: my $url=&Apache::lonnet::declutter(shift);
50: $url=~s/\.meta$//;
51: my ($adomain,$aauthor)=($url=~/^(\w+)\/(\w+)\//);
52: my $regexp=$url;
53: $regexp=~s/(\W)/\\$1/g;
54: $regexp='___'.$regexp.'___';
55: my %evaldata=&Apache::lonnet::dump('nohist_resevaldata',$adomain,
56: $aauthor,$regexp);
57: my %DynamicData = &LONCAPA::lonmetadata::process_reseval_data(\%evaldata);
58: my %Data = &LONCAPA::lonmetadata::process_dynamic_metadata($url,
59: \%DynamicData);
60: #
61: # Deal with 'count' separately
62: $Data{'count'} = &access_count($url,$aauthor,$adomain);
63: return %Data;
64: }
65:
66: sub access_count {
67: my ($src,$author,$adomain) = @_;
68: my %countdata=&Apache::lonnet::dump('nohist_accesscount',$adomain,
69: $author,$src);
70: if (! exists($countdata{$src})) {
71: return &mt('Not Available');
72: } else {
73: return $countdata{$src};
74: }
75: }
76:
77: # Try to make an alt tag if there is none
78: sub alttag {
79: my ($base,$src)=@_;
80: my $fullpath=&Apache::lonnet::hreflocation($base,$src);
81: my $alttag=&Apache::lonnet::metadata($fullpath,'title').' '.
82: &Apache::lonnet::metadata($fullpath,'subject').' '.
83: &Apache::lonnet::metadata($fullpath,'abstract');
84: $alttag=~s/\s+/ /gs;
85: $alttag=~s/\"//gs;
86: $alttag=~s/\'//gs;
87: $alttag=~s/\s+$//gs;
88: $alttag=~s/^\s+//gs;
89: if ($alttag) {
90: return $alttag;
91: } else {
92: return &mt('No information available');
93: }
94: }
95:
96: # Author display
97: sub authordisplay {
98: my ($aname,$adom)=@_;
99: return &Apache::loncommon::aboutmewrapper
100: (&Apache::loncommon::plainname($aname,$adom),
101: $aname,$adom,'preview').' <tt>['.$aname.'@'.$adom.']</tt>';
102: }
103:
104: # Pretty display
105: sub evalgraph {
106: my $value=shift;
107: unless ($value) { return ''; }
108: my $val=int($value*10.+0.5)-10;
109: my $output='<table border=0 cellpadding=0 cellspacing=0><tr>';
110: if ($val>=20) {
111: $output.='<td width=20 bgcolor="#555555">  </td>';
112: } else {
113: $output.='<td width='.($val).' bgcolor="#555555"> </td>'.
114: '<td width='.(20-$val).' bgcolor="#FF3333"> </td>';
115: }
116: $output.='<td bgcolor="#FFFF33"> </td>';
117: if ($val>20) {
118: $output.='<td width='.($val-20).' bgcolor="#33FF33"> </td>'.
119: '<td width='.(40-$val).' bgcolor="#555555"> </td>';
120: } else {
121: $output.='<td width=20 bgcolor="#555555">  </td>';
122: }
123: $output.='<td> ('.$value.') </td></tr></table>';
124: return $output;
125: }
126:
127: sub diffgraph {
128: my $value=shift;
129: unless ($value) { return ''; }
130: my $val=int(40.0*$value+0.5);
131: my @colors=('#FF9933','#EEAA33','#DDBB33','#CCCC33',
132: '#BBDD33','#CCCC33','#DDBB33','#EEAA33');
133: my $output='<table border=0 cellpadding=0 cellspacing=0><tr>';
134: for (my $i=0;$i<8;$i++) {
135: if ($val>$i*5) {
136: $output.='<td width=5 bgcolor="'.$colors[$i].'"> </td>';
137: } else {
138: $output.='<td width=5 bgcolor="#555555"> </td>';
139: }
140: }
141: $output.='<td> ('.$value.') </td></tr></table>';
142: return $output;
143: }
144:
145: # Turn MySQL row into hash
146: sub metadata_col_to_hash {
147: my @cols=@_;
148: my %hash=();
149: for (my $i=0; $i<=$#columns; $i++) {
150: $hash{$columns[$i]}=$cols[$i];
151: }
152: return %hash;
153: }
154:
155: # The field names
156: sub fieldnames {
157: return &Apache::lonlocal::texthash
158: (
159: 'title' => 'Title',
160: 'author' =>'Author(s)',
161: 'authorspace' => 'Author Space',
162: 'modifyinguser' => 'Last Modifying User',
163: 'subject' => 'Subject',
164: 'keywords' => 'Keyword(s)',
165: 'notes' => 'Notes',
166: 'abstract' => 'Abstract',
167: 'lowestgradelevel' => 'Lowest Grade Level',
168: 'highestgradelevel' => 'Highest Grade Level',
169: 'standards' => 'Standards',
170: 'mime' => 'MIME Type',
171: 'language' => 'Language',
172: 'creationdate' => 'Creation Date',
173: 'lastrevisiondate' => 'Last Revision Date',
174: 'owner' => 'Publisher/Owner',
175: 'copyright' => 'Copyright/Distribution',
176: 'customdistributionfile' => 'Custom Distribution File',
177: 'obsolete' => 'Obsolete',
178: 'obsoletereplacement' => 'Suggested Replacement for Obsolete File',
179: 'count' => 'Network-wide number of accesses (hits)',
180: 'course' => 'Network-wide number of courses using resource',
181: 'course_list' => 'Network-wide courses using resource',
182: 'sequsage' => 'Number of resources using or importing resource',
183: 'sequsage_list' => 'Resources using or importing resource',
184: 'goto' => 'Number of resources that follow this resource in maps',
185: 'goto_list' => 'Resources that follow this resource in maps',
186: 'comefrom' => 'Number of resources that lead up to this resource in maps',
187: 'comefrom_list' => 'Resources that lead up to this resource in maps',
188: 'clear' => 'Material presented in clear way',
189: 'depth' => 'Material covered with sufficient depth',
190: 'helpful' => 'Material is helpful',
191: 'correct' => 'Material appears to be correct',
192: 'technical' => 'Resource is technically correct',
193: 'avetries' => 'Average number of tries till solved',
194: 'stdno' => 'Total number of students who have worked on this problem',
195: 'difficulty' => 'Degree of difficulty'
196: );
197: }
198:
199: # Pretty printing of metadata field
200:
201: sub prettyprint {
202: my ($type,$value)=@_;
203: unless (defined($value)) { return ' '; }
204: # Title
205: if ($type eq 'title') {
206: return '<font size="+1" face="arial">'.$value.'</font>';
207: }
208: # Dates
209: if (($type eq 'creationdate') ||
210: ($type eq 'lastrevisiondate')) {
211: return ($value?&Apache::lonlocal::locallocaltime(
212: &Apache::lonmysql::unsqltime($value)):
213: &mt('not available'));
214: }
215: # Language
216: if ($type eq 'language') {
217: return &Apache::loncommon::languagedescription($value);
218: }
219: # Copyright
220: if ($type eq 'copyright') {
221: return &Apache::loncommon::copyrightdescription($value);
222: }
223: # MIME
224: if ($type eq 'mime') {
225: return '<img src="'.&Apache::loncommon::icon($value).'" /> '.
226: &Apache::loncommon::filedescription($value);
227: }
228: # Person
229: if (($type eq 'author') ||
230: ($type eq 'owner') ||
231: ($type eq 'modifyinguser') ||
232: ($type eq 'authorspace')) {
233: $value=~s/(\w+)(\:|\@)(\w+)/&authordisplay($1,$3)/gse;
234: return $value;
235: }
236: # Gradelevel
237: if (($type eq 'lowestgradelevel') ||
238: ($type eq 'highestgradelevel')) {
239: return &Apache::loncommon::gradeleveldescription($value);
240: }
241: # Only for advance users below
242: unless ($ENV{'user.adv'}) { return '<i>- '.&mt('not displayed').' -</i>' };
243: # File
244: if (($type eq 'customdistributionfile') ||
245: ($type eq 'obsoletereplacement') ||
246: ($type eq 'goto_list') ||
247: ($type eq 'comefrom_list') ||
248: ($type eq 'sequsage_list')) {
249: return join('<br />',map {
250: my $url=&Apache::lonnet::clutter($_);
251: '<b>'.&Apache::lonnet::gettitle($url).'</b>'.
252: &Apache::lonhtmlcommon::crumbs($url,'preview','',undef,'+0');
253: } split(/\s*\,\s*/,$value));
254: }
255: # Evaluations
256: if (($type eq 'clear') ||
257: ($type eq 'depth') ||
258: ($type eq 'helpful') ||
259: ($type eq 'correct') ||
260: ($type eq 'technical')) {
261: return &evalgraph($value);
262: }
263: # Difficulty
264: if ($type eq 'difficulty') {
265: return &diffgraph($value);
266: }
267: # List of courses
268: if ($type=~/\_list/) {
269: return join('<br />',map {
270: my %courseinfo=&Apache::lonnet::coursedescription($_);
271: '<a href="/public/'.
272: $courseinfo{'domain'}.'/'.$courseinfo{'num'}.'/syllabus" target="preview">'.
273: $courseinfo{'description'}.'</a>';
274: } split(/\s*\,\s*/,$value));
275: }
276: # No pretty print found
277: return $value;
278: }
279:
280: # Pretty input of metadata field
281: sub direct {
282: return shift;
283: }
284:
285: sub selectbox {
286: my ($name,$value,$functionref,@idlist)=@_;
287: unless (defined($functionref)) { $functionref=\&direct; }
288: my $selout='<select name="'.$name.'">';
289: foreach (@idlist) {
290: $selout.='<option value=\''.$_.'\'';
291: if ($_ eq $value) {
292: $selout.=' selected>'.&{$functionref}($_).'</option>';
293: }
294: else {$selout.='>'.&{$functionref}($_).'</option>';}
295: }
296: return $selout.'</select>';
297: }
298:
299: sub relatedfield {
300: my ($show,$relatedsearchflag,$relatedsep,$fieldname,$relatedvalue)=@_;
301: unless ($relatedsearchflag) { return ''; }
302: unless (defined($relatedsep)) { $relatedsep=' '; }
303: unless ($show) { return $relatedsep.' '; }
304: return $relatedsep.'<input type="checkbox" name="'.$fieldname.'_related"'.
305: ($relatedvalue?' checked="1"':'').' />';
306: }
307:
308: sub prettyinput {
309: my ($type,$value,$fieldname,$formname,
310: $relatedsearchflag,$relatedsep,$relatedvalue)=@_;
311: # Language
312: if ($type eq 'language') {
313: return &selectbox($fieldname,
314: $value,
315: \&Apache::loncommon::languagedescription,
316: (&Apache::loncommon::languageids)).
317: &relatedfield(0,$relatedsearchflag,$relatedsep);
318: }
319: # Copyright
320: if ($type eq 'copyright') {
321: return &selectbox($fieldname,
322: $value,
323: \&Apache::loncommon::copyrightdescription,
324: (&Apache::loncommon::copyrightids)).
325: &relatedfield(0,$relatedsearchflag,$relatedsep);
326: }
327: # Gradelevels
328: if (($type eq 'lowestgradelevel') ||
329: ($type eq 'highestgradelevel')) {
330: return &Apache::loncommon::select_level_form($value,$fieldname).
331: &relatedfield(0,$relatedsearchflag,$relatedsep);
332: }
333: # Obsolete
334: if ($type eq 'obsolete') {
335: return '<input type="checkbox" name="'.$fieldname.'"'.
336: ($value?' checked="1"':'').' />'.
337: &relatedfield(0,$relatedsearchflag,$relatedsep);
338: }
339: # Obsolete replacement file
340: if ($type eq 'obsoletereplacement') {
341: return '<input type="text" name="'.$fieldname.
342: '" size="60" value="'.$value.'" /><a href="javascript:openbrowser'.
343: "('".$formname."','".$fieldname."'".
344: ",'')\">".&mt('Select').'</a>'.
345: &relatedfield(0,$relatedsearchflag,$relatedsep);
346: }
347: # Customdistribution file
348: if ($type eq 'customdistributionfile') {
349: return '<input type="text" name="'.$fieldname.
350: '" size="60" value="'.$value.'" /><a href="javascript:openbrowser'.
351: "('".$formname."','".$fieldname."'".
352: ",'rights')\">".&mt('Select').'</a>'.
353: &relatedfield(0,$relatedsearchflag,$relatedsep);
354: }
355: # Dates
356: if (($type eq 'creationdate') ||
357: ($type eq 'lastrevisiondate')) {
358: return
359: &Apache::lonhtmlcommon::date_setter($formname,$fieldname,$value).
360: &relatedfield(0,$relatedsearchflag,$relatedsep);
361: }
362: # No pretty input found
363: $value=~s/^\s+//gs;
364: $value=~s/\s+$//gs;
365: $value=~s/\s+/ /gs;
366: $value=~s/\"/\&quod\;/gs;
367: return
368: '<input type="text" name="'.$fieldname.'" size="80" '.
369: 'value="'.$value.'" />'.
370: &relatedfield(1,$relatedsearchflag,$relatedsep,$fieldname,
371: $relatedvalue);
372: }
373:
374: # Main Handler
375: sub handler {
376: my $r=shift;
377: #
378: my $loaderror=&Apache::lonnet::overloaderror($r);
379: if ($loaderror) { return $loaderror; }
380: #
381: my $uri=$r->uri;
382: #
383: # Looking for all bombs?
384: if ($uri=~/\/adm\/bombs\/(.*)$/) {
385: # Set document type
386: $uri=&Apache::lonnet::declutter($1);
387: &Apache::loncommon::content_type($r,'text/html');
388: $r->send_http_header;
389: #
390: return OK if $r->header_only;
391: $r->print(&Apache::loncommon::bodytag('Error Messages'));
392: $r->print('<h1>'.&Apache::lonnet::clutter($uri).'</h1>');
393: my ($domain,$author)=($uri=~/^(\w+)\/(\w+)\//);
394: if (&Apache::loncacc::constructaccess('/~'.$author.'/',$domain)) {
395: my %brokenurls=&Apache::lonmsg::all_url_author_res_msg($author,
396: $domain);
397: foreach (sort keys %brokenurls) {
398: if ($_=~/^\Q$uri\E/) {
399: $r->print(&Apache::lonhtmlcommon::crumbs
400: (&Apache::lonnet::clutter($_)).
401: &Apache::lonmsg::retrieve_author_res_msg($_).
402: '<hr />');
403: }
404: }
405: } else {
406: $r->print(&mt('Not authorized'));
407: }
408: $r->print('</body></html>');
409: } elsif ($uri!~/^\/\~/) {
410: # This is not in construction space
411: my ($resdomain,$resuser)=
412: (&Apache::lonnet::declutter($uri)=~/^(\w+)\/(\w+)\//);
413: $loaderror=&Apache::lonnet::overloaderror
414: ($r,
415: &Apache::lonnet::homeserver($resuser,$resdomain));
416: if ($loaderror) { return $loaderror; }
417: #
418: my %content=();
419: # Set document type
420: &Apache::loncommon::content_type($r,'text/html');
421: $r->send_http_header;
422: return OK if $r->header_only;
423: # Read file
424: foreach (split(/\,/,&Apache::lonnet::metadata($uri,'keys'))) {
425: $content{$_}=&Apache::lonnet::metadata($uri,$_);
426: }
427: # Render Output
428: # displayed url
429: my ($thisversion)=($uri=~/\.(\d+)\.(\w+)\.meta$/);
430: $uri=~s/\.meta$//;
431: my $disuri=&Apache::lonnet::clutter($uri);
432: # version
433: my $currentversion=&Apache::lonnet::getversion($disuri);
434: my $versiondisplay='';
435: if ($thisversion) {
436: $versiondisplay=&mt('Version').': '.$thisversion.
437: ' ('.&mt('most recent version').': '.
438: ($currentversion>0 ?
439: $currentversion :
440: &mt('information not available')).')';
441: } else {
442: $versiondisplay='Version: '.$currentversion;
443: }
444: # crumbify displayed URL
445: $disuri=&Apache::lonhtmlcommon::crumbs($disuri);
446: # obsolete
447: my $obsolete=$content{'obsolete'};
448: my $obsoletewarning='';
449: if (($obsolete) && ($ENV{'user.adv'})) {
450: $obsoletewarning='<p><font color="red">'.
451: &mt('This resource has been marked obsolete by the author(s)').
452: '</font></p>';
453: }
454: #
455: my %lt=&fieldnames();
456: my $table='';
457: my $bodytag=&Apache::loncommon::bodytag
458: ('Catalog Information','','','',$resdomain);
459: foreach ('title',
460: 'author',
461: 'subject',
462: 'keywords',
463: 'notes',
464: 'abstract',
465: 'lowestgradelevel',
466: 'highestgradelevel',
467: 'standards',
468: 'mime',
469: 'language',
470: 'creationdate',
471: 'lastrevisiondate',
472: 'owner',
473: 'copyright',
474: 'customdistributionfile',
475: 'obsolete',
476: 'obsoletereplacement') {
477: $table.='<tr><td bgcolor="#AAAAAA">'.$lt{$_}.
478: '</td><td bgcolor="#CCCCCC">'.
479: &prettyprint($_,$content{$_}).'</td></tr>';
480: delete $content{$_};
481: }
482: #
483: $r->print(<<ENDHEAD);
484: <html><head><title>Catalog Information</title></head>
485: $bodytag
486: <h2>$content{'title'}</h2>
487: <h3><tt>$disuri</tt></h3>
488: $obsoletewarning
489: $versiondisplay<br />
490: <table cellspacing=2 border=0>
491: $table
492: </table>
493: ENDHEAD
494: if ($ENV{'user.adv'}) {
495: # Dynamic Metadata
496: $r->print(
497: '<h3>'.&mt('Dynamic Metadata').' ('.
498: &mt('updated periodically').')</h3>'.&mt('Processing').
499: ' ...<br />');
500: $r->rflush();
501: my %items=&fieldnames();
502: my %dynmeta=&dynamicmeta($uri);
503: # General Access and Usage Statistics
504: $r->print('<h4>'.&mt('Access and Usage Statistics').'</h4>'.
505: '<table cellspacing=2 border=0>');
506: foreach ('count',
507: 'sequsage','sequsage_list',
508: 'comefrom','comefrom_list',
509: 'goto','goto_list',
510: 'course','course_list') {
511: $r->print('<tr><td bgcolor="#AAAAAA">'.$lt{$_}.'</td>'.
512: '<td bgcolor="#CCCCCC">'.
513: &prettyprint($_,$dynmeta{$_})."</td></tr>\n");
514: }
515: $r->print('</table>');
516: if ($uri=~/\.(problem|exam|quiz|assess|survey|form)\.meta$/) {
517: # This is an assessment, print assessment data
518: $r->print(
519: '<h4>'.&mt('Assessment Statistical Data').'</h4>'.
520: '<table cellspacing=2 border=0>');
521: foreach ('stdno','avetries','difficulty') {
522: $r->print('<tr><td bgcolor="#AAAAAA">'.$lt{$_}.'</td>'.
523: '<td bgcolor="#CCCCCC">'.
524: &prettyprint($_,$dynmeta{$_})."</td></tr>\n");
525: }
526: $r->print('</table>');
527: }
528: $r->print('<h4>'.&mt('Evaluation Data').'</h4>'.
529: '<table cellspacing=2 border=0>');
530: foreach ('clear','depth','helpful','correct','technical') {
531: $r->print('<tr><td bgcolor="#AAAAAA">'.$lt{$_}.'</td>'.
532: '<td bgcolor="#CCCCCC">'.
533: &prettyprint($_,$dynmeta{$_})."</td></tr>\n");
534: }
535: $r->print('</table>');
536: $uri=~/^\/res\/(\w+)\/(\w+)\//;
537: if ((($ENV{'user.domain'} eq $1) && ($ENV{'user.name'} eq $2))
538: || ($ENV{'user.role.ca./'.$1.'/'.$2})) {
539: $r->print('<h4>'.&mt('Evaluation Comments').' ('.
540: &mt('visible to author and co-authors only').
541: ')</h4>'.
542: '<blockquote>'.$dynmeta{'comments'}.'</blockquote>');
543: $r->print('<a name="bombs" /><h4>'.&mt('Error Messages').' ('.
544: &mt('visible to author and co-authors only').')'.
545: '</h4>'.
546: &Apache::lonmsg::retrieve_author_res_msg($uri));
547: }
548: # All other stuff
549: $r->print('<h3>'.
550: &mt('Additional Metadata (non-standard, parameters, exports)').
551: '</h3>');
552: foreach (sort keys %content) {
553: my $name=$_;
554: unless ($name=~/\.display$/) {
555: my $display=&Apache::lonnet::metadata($uri,
556: $name.'.display');
557: unless ($display) { $display=$name; };
558: my $otherinfo='';
559: foreach ('name','part','type','default') {
560: if (defined(&Apache::lonnet::metadata($uri,
561: $name.'.'.$_))) {
562: $otherinfo.=' '.$_.'='.
563: &Apache::lonnet::metadata($uri,
564: $name.'.'.$_).'; ';
565: }
566: }
567: $r->print('<b>'.$display.':</b> '.$content{$name});
568: if ($otherinfo) {
569: $r->print(' ('.$otherinfo.')');
570: }
571: $r->print("<br />\n");
572: }
573: }
574: }
575: # End Resource Space Call
576: } else {
577: # Construction Space Call
578: # Set document type
579: &Apache::loncommon::content_type($r,'text/html');
580: $r->send_http_header;
581: #
582: return OK if $r->header_only;
583: # Header
584: my $disuri=$uri;
585: my $fn=&Apache::lonnet::filelocation('',$uri);
586: $disuri=~s/^\/\~/\/priv\//;
587: $disuri=~s/\.meta$//;
588: my $target=$uri;
589: $target=~s/^\/\~/\/res\/$ENV{'request.role.domain'}\//;
590: $target=~s/\.meta$//;
591: my $bombs=&Apache::lonmsg::retrieve_author_res_msg($target);
592: if ($bombs) {
593: if ($ENV{'form.delmsg'}) {
594: if (&Apache::lonmsg::del_url_author_res_msg($target) eq 'ok') {
595: $bombs=&mt('Messages deleted.');
596: } else {
597: $bombs=&mt('Error deleting messages');
598: }
599: }
600: my $bodytag=&Apache::loncommon::bodytag('Error Messages');
601: my $del=&mt('Delete Messages');
602: $r->print(<<ENDBOMBS);
603: <html><head><title>Edit Catalog Information</title></head>
604: $bodytag
605: <h1>$disuri</h1>
606: <form method="post" name="defaultmeta">
607: <input type="submit" name="delmsg" value="$del" />
608: <br />$bombs
609: </form>
610: </body>
611: </html>
612: ENDBOMBS
613: } else {
614: my $displayfile='Catalog Information for '.$disuri;
615: if ($disuri=~/\/default$/) {
616: my $dir=$disuri;
617: $dir=~s/default$//;
618: $displayfile=
619: &mt('Default Cataloging Information for Directory').' '.
620: $dir;
621: }
622: my $bodytag=
623: &Apache::loncommon::bodytag('Edit Catalog Information');
624: %Apache::lonpublisher::metadatafields=();
625: %Apache::lonpublisher::metadatakeys=();
626: &Apache::lonpublisher::metaeval(&Apache::lonnet::getfile($fn));
627: $r->print(<<ENDEDIT);
628: <html><head><title>Edit Catalog Information</title></head>
629: $bodytag
630: <h1>$displayfile</h1>
631: <form method="post" name="defaultmeta">
632: ENDEDIT
633: $r->print('<script language="JavaScript">'.
634: &Apache::loncommon::browser_and_searcher_javascript.
635: '</script>');
636: my %lt=&fieldnames();
637: foreach ('author','title','subject','keywords','abstract','notes',
638: 'copyright','customdistributionfile','language',
639: 'standards',
640: 'lowestgradelevel','highestgradelevel',
641: 'obsolete','obsoletereplacement') {
642: if (defined($ENV{'form.new_'.$_})) {
643: $Apache::lonpublisher::metadatafields{$_}=
644: $ENV{'form.new_'.$_};
645: }
646: unless ($Apache::lonpublisher::metadatafields{'copyright'}) {
647: $Apache::lonpublisher::metadatafields{'copyright'}=
648: 'default';
649: }
650: $r->print('<p>'.$lt{$_}.': '.
651: &prettyinput
652: ($_,$Apache::lonpublisher::metadatafields{$_},
653: 'new_'.$_,'defaultmeta').'</p>');
654: }
655: if ($ENV{'form.store'}) {
656: my $mfh;
657: unless ($mfh=Apache::File->new('>'.$fn)) {
658: $r->print('<p><font color=red>'.
659: &mt('Could not write metadata').', '.
660: &mt('FAIL').'</font>');
661: } else {
662: foreach (sort keys %Apache::lonpublisher::metadatafields) {
663: unless ($_=~/\./) {
664: my $unikey=$_;
665: $unikey=~/^([A-Za-z]+)/;
666: my $tag=$1;
667: $tag=~tr/A-Z/a-z/;
668: print $mfh "\n\<$tag";
669: foreach (split(/\,/,
670: $Apache::lonpublisher::metadatakeys{$unikey})
671: ) {
672: my $value=
673: $Apache::lonpublisher::metadatafields{$unikey.'.'.$_};
674: $value=~s/\"/\'\'/g;
675: print $mfh ' '.$_.'="'.$value.'"';
676: }
677: print $mfh '>'.
678: &HTML::Entities::encode($Apache::lonpublisher::metadatafields{$unikey},'<>&"').
679: '</'.$tag.'>';
680: }
681: }
682: $r->print('<p>'.&mt('Wrote Metadata'));
683: }
684: }
685: $r->print('<br /><input type="submit" name="store" value="'.
686: &mt('Store Catalog Information').'"></form>'.
687: '</body></html>');
688: }
689: }
690: return OK;
691: }
692:
693: # BEGIN Block
694: BEGIN {
695: # Get columns of MySQL metadata table
696: @columns=&Apache::lonmysql::col_order('metadata');
697: }
698:
699: 1;
700: __END__
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