1: # The LearningOnline Network with CAPA
2: # Metadata display handler
3: #
4: # $Id: lonmeta.pm,v 1.63 2004/04/12 21:13:13 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:
49: sub dynamicmeta {
50: my $url=&Apache::lonnet::declutter(shift);
51: $url=~s/\.meta$//;
52: my ($adomain,$aauthor)=($url=~/^(\w+)\/(\w+)\//);
53: my $regexp=$url;
54: $regexp=~s/(\W)/\\$1/g;
55: $regexp='___'.$regexp.'___';
56: my %evaldata=&Apache::lonnet::dump('nohist_resevaldata',$adomain,
57: $aauthor,$regexp);
58: my %DynamicData = &LONCAPA::lonmetadata::process_reseval_data(\%evaldata);
59: my %Data = &LONCAPA::lonmetadata::process_dynamic_metadata($url,
60: \%DynamicData);
61: #
62: # Deal with 'count' separately
63: $Data{'count'} = &access_count($url,$aauthor,$adomain);
64: # since "usage" is reserved word in MySQL ...
65:
66: return %Data;
67: }
68:
69: sub access_count {
70: my ($src,$author,$adomain) = @_;
71: my %countdata=&Apache::lonnet::dump('nohist_accesscount',$adomain,
72: $author,$src);
73: if (! exists($countdata{$src})) {
74: return &mt('Not Available');
75: } else {
76: return $countdata{$src};
77: }
78: }
79:
80: # ------------------------------------- Try to make an alt tag if there is none
81:
82: sub alttag {
83: my ($base,$src)=@_;
84: my $fullpath=&Apache::lonnet::hreflocation($base,$src);
85: my $alttag=&Apache::lonnet::metadata($fullpath,'title').' '.
86: &Apache::lonnet::metadata($fullpath,'subject').' '.
87: &Apache::lonnet::metadata($fullpath,'abstract');
88: $alttag=~s/\s+/ /gs;
89: $alttag=~s/\"//gs;
90: $alttag=~s/\'//gs;
91: $alttag=~s/\s+$//gs;
92: $alttag=~s/^\s+//gs;
93: if ($alttag) { return $alttag; } else
94: { return &mt('No information available'); }
95: }
96:
97: # -------------------------------------------------------------- Author display
98:
99: sub authordisplay {
100: my ($aname,$adom)=@_;
101: return &Apache::loncommon::aboutmewrapper(
102: &Apache::loncommon::plainname($aname,$adom),
103: $aname,$adom,'preview').' <tt>['.$aname.'@'.$adom.']</tt>';
104: }
105:
106: # -------------------------------------------------------------- Pretty display
107:
108: sub evalgraph {
109: my $value=shift;
110: unless ($value) { return ''; }
111: my $val=int($value*10.+0.5)-10;
112: my $output='<table border=0 cellpadding=0 cellspacing=0><tr>';
113: if ($val>=20) {
114: $output.='<td width=20 bgcolor="#555555">  </td>';
115: } else {
116: $output.='<td width='.($val).' bgcolor="#555555"> </td>'.
117: '<td width='.(20-$val).' bgcolor="#FF3333"> </td>';
118: }
119: $output.='<td bgcolor="#FFFF33"> </td>';
120: if ($val>20) {
121: $output.='<td width='.($val-20).' bgcolor="#33FF33"> </td>'.
122: '<td width='.(40-$val).' bgcolor="#555555"> </td>';
123: } else {
124: $output.='<td width=20 bgcolor="#555555">  </td>';
125: }
126: $output.='<td> ('.$value.') </td></tr></table>';
127: return $output;
128: }
129:
130: sub diffgraph {
131: my $value=shift;
132: unless ($value) { return ''; }
133: my $val=int(40.0*$value+0.5);
134: my @colors=('#FF9933','#EEAA33','#DDBB33','#CCCC33',
135: '#BBDD33','#CCCC33','#DDBB33','#EEAA33');
136: my $output='<table border=0 cellpadding=0 cellspacing=0><tr>';
137: for (my $i=0;$i<8;$i++) {
138: if ($val>$i*5) {
139: $output.='<td width=5 bgcolor="'.$colors[$i].'"> </td>';
140: } else {
141: $output.='<td width=5 bgcolor="#555555"> </td>';
142: }
143: }
144: $output.='<td> ('.$value.') </td></tr></table>';
145: return $output;
146: }
147:
148: # ==================================================== Turn MySQL row into hash
149:
150: sub metadata_col_to_hash {
151: my @cols=@_;
152: my %hash=();
153: for (my $i=0; $i<=$#columns; $i++) {
154: $hash{$columns[$i]}=$cols[$i];
155: }
156: return %hash;
157: }
158:
159: # ============================================================= The field names
160:
161: sub fieldnames {
162: return &Apache::lonlocal::texthash(
163: 'title' => 'Title',
164: 'author' =>'Author(s)',
165: 'authorspace' => 'Author Space',
166: 'modifyinguser' => 'Last Modifying User',
167: 'subject' => 'Subject',
168: 'keywords' => 'Keyword(s)',
169: 'notes' => 'Notes',
170: 'abstract' => 'Abstract',
171: 'lowestgradelevel' => 'Lowest Grade Level',
172: 'highestgradelevel' => 'Highest Grade Level',
173: 'standards' => 'Standards',
174: 'mime' => 'MIME Type',
175: 'language' => 'Language',
176: 'creationdate' => 'Creation Date',
177: 'lastrevisiondate' => 'Last Revision Date',
178: 'owner' => 'Publisher/Owner',
179: 'copyright' => 'Copyright/Distribution',
180: 'customdistributionfile' => 'Custom Distribution File',
181: 'obsolete' => 'Obsolete',
182: 'obsoletereplacement' => 'Suggested Replacement for Obsolete File',
183: 'count' => 'Network-wide number of accesses (hits)',
184: 'course' => 'Network-wide number of courses using resource',
185: 'course_list' => 'Network-wide courses using resource',
186: 'sequsage' => 'Number of resources using or importing resource',
187: 'sequsage_list' => 'Resources using or importing resource',
188: 'goto' => 'Number of resources that follow this resource in maps',
189: 'goto_list' => 'Resources that follow this resource in maps',
190: 'comefrom' => 'Number of resources that lead up to this resource in maps',
191: 'comefrom_list' => 'Resources that lead up to this resource in maps',
192: 'clear' => 'Material presented in clear way',
193: 'depth' => 'Material covered with sufficient depth',
194: 'helpful' => 'Material is helpful',
195: 'correct' => 'Material appears to be correct',
196: 'technical' => 'Resource is technically correct',
197: 'avetries' => 'Average number of tries till solved',
198: 'stdno' => 'Total number of students who have worked on this problem',
199: 'difficulty' => 'Degree of difficulty'
200: );
201: }
202:
203: # =========================================== Pretty printing of metadata field
204:
205: sub prettyprint {
206: my ($type,$value)=@_;
207: unless (defined($value)) { return ' '; }
208: # Title
209: if ($type eq 'title') {
210: return '<font size="+1" face="arial">'.$value.'</font>';
211: }
212: # Dates
213: if (($type eq 'creationdate') ||
214: ($type eq 'lastrevisiondate')) {
215: return ($value?&Apache::lonlocal::locallocaltime(
216: &Apache::lonmysql::unsqltime($value)):
217: &mt('not available'));
218: }
219: # Language
220: if ($type eq 'language') {
221: return &Apache::loncommon::languagedescription($value);
222: }
223: # Copyright
224: if ($type eq 'copyright') {
225: return &Apache::loncommon::copyrightdescription($value);
226: }
227: # MIME
228: if ($type eq 'mime') {
229: return '<img src="'.&Apache::loncommon::icon($value).'" /> '.
230: &Apache::loncommon::filedescription($value);
231: }
232: # Person
233: if (($type eq 'author') ||
234: ($type eq 'owner') ||
235: ($type eq 'modifyinguser') ||
236: ($type eq 'authorspace')) {
237: $value=~s/(\w+)(\:|\@)(\w+)/&authordisplay($1,$3)/gse;
238: return $value;
239: }
240: # Gradelevel
241: if (($type eq 'lowestgradelevel') ||
242: ($type eq 'highestgradelevel')) {
243: return &Apache::loncommon::gradeleveldescription($value);
244: }
245: # Only for advance users below
246: unless ($ENV{'user.adv'}) { return '<i>- '.&mt('not displayed').' -</i>' };
247: # File
248: if (($type eq 'customdistributionfile') ||
249: ($type eq 'obsoletereplacement') ||
250: ($type eq 'goto_list') ||
251: ($type eq 'comefrom_list') ||
252: ($type eq 'sequsage_list')) {
253: return join('<br />',map {
254: my $url=&Apache::lonnet::clutter($_);
255: '<b>'.&Apache::lonnet::gettitle($url).'</b>'.
256: &Apache::lonhtmlcommon::crumbs($url,'preview','',undef,'+0');
257: } split(/\s*\,\s*/,$value));
258: }
259: # Evaluations
260: if (($type eq 'clear') ||
261: ($type eq 'depth') ||
262: ($type eq 'helpful') ||
263: ($type eq 'correct') ||
264: ($type eq 'technical')) {
265: return &evalgraph($value);
266: }
267: # Difficulty
268: if ($type eq 'difficulty') {
269: return &diffgraph($value);
270: }
271: # List of courses
272: if ($type=~/\_list/) {
273: return join('<br />',map {
274: my %courseinfo=&Apache::lonnet::coursedescription($_);
275: '<a href="/public/'.
276: $courseinfo{'domain'}.'/'.$courseinfo{'num'}.'/syllabus" target="preview">'.
277: $courseinfo{'description'}.'</a>';
278: } split(/\s*\,\s*/,$value));
279: }
280: # No pretty print found
281: return $value;
282: }
283: # ============================================== Pretty input of metadata field
284:
285: sub direct {
286: return shift;
287: }
288:
289: sub selectbox {
290: my ($name,$value,$functionref,@idlist)=@_;
291: unless (defined($functionref)) { $functionref=\&direct; }
292: my $selout='<select name="'.$name.'">';
293: foreach (@idlist) {
294: $selout.='<option value=\''.$_.'\'';
295: if ($_ eq $value) {
296: $selout.=' selected>'.&{$functionref}($_).'</option>';
297: }
298: else {$selout.='>'.&{$functionref}($_).'</option>';}
299: }
300: return $selout.'</select>';
301: }
302:
303: sub relatedfield {
304: my ($show,$relatedsearchflag,$relatedsep,$fieldname,$relatedvalue)=@_;
305: unless ($relatedsearchflag) { return ''; }
306: unless (defined($relatedsep)) { $relatedsep=' '; }
307: unless ($show) { return $relatedsep.' '; }
308: return $relatedsep.'<input type="checkbox" name="'.$fieldname.'_related"'.
309: ($relatedvalue?' checked="1"':'').' />';
310: }
311:
312: sub prettyinput {
313: my ($type,$value,$fieldname,$formname,
314: $relatedsearchflag,$relatedsep,$relatedvalue)=@_;
315: # Language
316: if ($type eq 'language') {
317: return &selectbox($fieldname,
318: $value,
319: \&Apache::loncommon::languagedescription,
320: (&Apache::loncommon::languageids)).
321: &relatedfield(0,$relatedsearchflag,$relatedsep);
322: }
323: # Copyright
324: if ($type eq 'copyright') {
325: return &selectbox($fieldname,
326: $value,
327: \&Apache::loncommon::copyrightdescription,
328: (&Apache::loncommon::copyrightids)).
329: &relatedfield(0,$relatedsearchflag,$relatedsep);
330: }
331: # Gradelevels
332: if (($type eq 'lowestgradelevel') ||
333: ($type eq 'highestgradelevel')) {
334: return &Apache::loncommon::select_level_form($value,$fieldname).
335: &relatedfield(0,$relatedsearchflag,$relatedsep);
336: }
337: # Obsolete
338: if ($type eq 'obsolete') {
339: return '<input type="checkbox" name="'.$fieldname.'"'.
340: ($value?' checked="1"':'').' />'.
341: &relatedfield(0,$relatedsearchflag,$relatedsep);
342: }
343: # Obsolete replacement file
344: if ($type eq 'obsoletereplacement') {
345: return '<input type="text" name="'.$fieldname.
346: '" size="60" value="'.$value.'" /><a href="javascript:openbrowser'.
347: "('".$formname."','".$fieldname."'".
348: ",'')\">".&mt('Select').'</a>'.
349: &relatedfield(0,$relatedsearchflag,$relatedsep);
350: }
351: # Customdistribution file
352: if ($type eq 'customdistributionfile') {
353: return '<input type="text" name="'.$fieldname.
354: '" size="60" value="'.$value.'" /><a href="javascript:openbrowser'.
355: "('".$formname."','".$fieldname."'".
356: ",'rights')\">".&mt('Select').'</a>'.
357: &relatedfield(0,$relatedsearchflag,$relatedsep);
358: }
359: # Dates
360: if (($type eq 'creationdate') ||
361: ($type eq 'lastrevisiondate')) {
362: return &Apache::lonhtmlcommon::date_setter($formname,
363: $fieldname,$value).
364: &relatedfield(0,$relatedsearchflag,$relatedsep);
365: }
366: # No pretty input found
367: $value=~s/^\s+//gs;
368: $value=~s/\s+$//gs;
369: $value=~s/\s+/ /gs;
370: $value=~s/\"/\&quod\;/gs;
371: return
372: '<input type="text" name="'.$fieldname.'" size="80" value="'.$value.'" />'.
373: &relatedfield(1,$relatedsearchflag,$relatedsep,$fieldname,$relatedvalue);
374: }
375:
376: # ================================================================ Main Handler
377:
378: sub handler {
379: my $r=shift;
380:
381: my $loaderror=&Apache::lonnet::overloaderror($r);
382: if ($loaderror) { return $loaderror; }
383:
384:
385: my $uri=$r->uri;
386:
387: # ====================================================== Looking for all bombs?
388: if ($uri=~/\/adm\/bombs\/(.*)$/) {
389: # ----------------------------------------------------------- Set document type
390: $uri=&Apache::lonnet::declutter($1);
391: &Apache::loncommon::content_type($r,'text/html');
392: $r->send_http_header;
393:
394: return OK if $r->header_only;
395: $r->print(&Apache::loncommon::bodytag('Error Messages'));
396: $r->print('<h1>'.&Apache::lonnet::clutter($uri).'</h1>');
397: my ($domain,$author)=($uri=~/^(\w+)\/(\w+)\//);
398: if (&Apache::loncacc::constructaccess('/~'.$author.'/',$domain)) {
399: my %brokenurls=&Apache::lonmsg::all_url_author_res_msg($author,$domain);
400: foreach (sort keys %brokenurls) {
401: if ($_=~/^\Q$uri\E/) {
402: $r->print(&Apache::lonhtmlcommon::crumbs(&Apache::lonnet::clutter($_)).
403: &Apache::lonmsg::retrieve_author_res_msg($_).'<hr />');
404: }
405: }
406: } else {
407: $r->print(&mt('Not authorized'));
408: }
409: $r->print('</body></html>');
410: } elsif ($uri!~/^\/\~/) {
411: # =========================================== This is not in construction space
412: my ($resdomain,$resuser)=
413: (&Apache::lonnet::declutter($uri)=~/^(\w+)\/(\w+)\//);
414:
415: $loaderror=
416: &Apache::lonnet::overloaderror($r,
417: &Apache::lonnet::homeserver($resuser,$resdomain));
418: if ($loaderror) { return $loaderror; }
419:
420: my %content=();
421:
422: # ----------------------------------------------------------- Set document type
423:
424: &Apache::loncommon::content_type($r,'text/html');
425: $r->send_http_header;
426:
427: return OK if $r->header_only;
428:
429: # ------------------------------------------------------------------- Read file
430: foreach (split(/\,/,&Apache::lonnet::metadata($uri,'keys'))) {
431: $content{$_}=&Apache::lonnet::metadata($uri,$_);
432: }
433: # --------------------------------------------------------------- Render Output
434: # displayed url
435: my ($thisversion)=($uri=~/\.(\d+)\.(\w+)\.meta$/);
436: $uri=~s/\.meta$//;
437: my $disuri=&Apache::lonnet::clutter($uri);
438: # version
439: my $currentversion=&Apache::lonnet::getversion($disuri);
440: my $versiondisplay='';
441: if ($thisversion) {
442: $versiondisplay=&mt('Version').': '.$thisversion.
443: ' ('.&mt('most recent version').': '.
444: ($currentversion>0?$currentversion:&mt('information not available')).')';
445: } else {
446: $versiondisplay='Version: '.$currentversion;
447: }
448: # crumbify displayed URL
449: $disuri=&Apache::lonhtmlcommon::crumbs($disuri);
450: # obsolete
451: my $obsolete=$content{'obsolete'};
452: my $obsoletewarning='';
453: if (($obsolete) && ($ENV{'user.adv'})) {
454: $obsoletewarning='<p><font color="red">'.
455: &mt('This resource has been marked obsolete by the author(s)').'</font></p>';
456: }
457:
458: my %lt=&fieldnames();
459: my $table='';
460: my $bodytag=&Apache::loncommon::bodytag
461: ('Catalog Information','','','',$resdomain);
462: foreach ('title',
463: 'author',
464: 'subject',
465: 'keywords',
466: 'notes',
467: 'abstract',
468: 'lowestgradelevel',
469: 'highestgradelevel',
470: 'standards',
471: 'mime',
472: 'language',
473: 'creationdate',
474: 'lastrevisiondate',
475: 'owner',
476: 'copyright',
477: 'customdistributionfile',
478: 'obsolete',
479: 'obsoletereplacement') {
480: $table.='<tr><td bgcolor="#AAAAAA">'.$lt{$_}.
481: '</td><td bgcolor="#CCCCCC">'.
482: &prettyprint($_,$content{$_}).'</td></tr>';
483: delete $content{$_};
484: }
485:
486: $r->print(<<ENDHEAD);
487: <html><head><title>Catalog Information</title></head>
488: $bodytag
489: <h2>$content{'title'}</h2>
490: <h3><tt>$disuri</tt></h3>
491: $obsoletewarning
492: $versiondisplay<br />
493: <table cellspacing=2 border=0>
494: $table
495: </table>
496: ENDHEAD
497: if ($ENV{'user.adv'}) {
498: # ------------------------------------------------------------ Dynamic Metadata
499: $r->print(
500: '<h3>'.&mt('Dynamic Metadata').' ('.
501: &mt('updated periodically').')</h3>'.&mt('Processing').
502: ' ...<br />');
503: $r->rflush();
504: my %items=&fieldnames();
505: my %dynmeta=&dynamicmeta($uri);
506: # General Access and Usage Statistics
507: $r->print('<h4>'.&mt('Access and Usage Statistics').'</h4><table cellspacing=2 border=0>');
508: foreach ('count',
509: 'sequsage','sequsage_list',
510: 'comefrom','comefrom_list',
511: 'goto','goto_list',
512: 'course','course_list') {
513: $r->print('<tr><td bgcolor="#AAAAAA">'.$lt{$_}.'</td><td bgcolor="#CCCCCC">'.
514: &prettyprint($_,$dynmeta{$_})."</td></tr>\n");
515: }
516: $r->print('</table>');
517: if ($uri=~/\.(problem|exam|quiz|assess|survey|form)\.meta$/) {
518: # This is an assessment, print assessment data
519: $r->print(
520: '<h4>'.&mt('Assessment Statistical Data').'</h4><table cellspacing=2 border=0>');
521: foreach ('stdno','avetries','difficulty') {
522: $r->print('<tr><td bgcolor="#AAAAAA">'.$lt{$_}.'</td><td bgcolor="#CCCCCC">'.
523: &prettyprint($_,$dynmeta{$_})."</td></tr>\n");
524: }
525: $r->print('</table>');
526: }
527: $r->print('<h4>'.&mt('Evaluation Data').'</h4><table cellspacing=2 border=0>');
528: foreach ('clear','depth','helpful','correct','technical') {
529: $r->print('<tr><td bgcolor="#AAAAAA">'.$lt{$_}.'</td><td bgcolor="#CCCCCC">'.
530: &prettyprint($_,$dynmeta{$_})."</td></tr>\n");
531: }
532: $r->print('</table>');
533: $uri=~/^\/res\/(\w+)\/(\w+)\//;
534: if ((($ENV{'user.domain'} eq $1) && ($ENV{'user.name'} eq $2))
535: || ($ENV{'user.role.ca./'.$1.'/'.$2})) {
536: $r->print('<h4>'.&mt('Evaluation Comments').' ('.
537: &mt('visible to author and co-authors only').')</h4>'.
538: '<blockquote>'.$dynmeta{'comments'}.'</blockquote>');
539: $r->print('<a name="bombs" /><h4>'.&mt('Error Messages').' ('.
540: &mt('visible to author and co-authors only').')</h4>'.
541: &Apache::lonmsg::retrieve_author_res_msg($uri));
542: }
543: # ------------------------------------------------------------- All other stuff
544: $r->print(
545: '<h3>'.&mt('Additional Metadata (non-standard, parameters, exports)').'</h3>');
546: foreach (sort keys %content) {
547: my $name=$_;
548: unless ($name=~/\.display$/) {
549: my $display=&Apache::lonnet::metadata($uri,$name.'.display');
550: unless ($display) { $display=$name; };
551: my $otherinfo='';
552: foreach ('name','part','type','default') {
553: if (defined(&Apache::lonnet::metadata($uri,$name.'.'.$_))) {
554: $otherinfo.=' '.$_.'='.
555: &Apache::lonnet::metadata($uri,$name.'.'.$_).'; ';
556: }
557: }
558: $r->print('<b>'.$display.':</b> '.$content{$name});
559: if ($otherinfo) {
560: $r->print(' ('.$otherinfo.')');
561: }
562: $r->print("<br />\n");
563: }
564: }
565: }
566: # ===================================================== End Resource Space Call
567: } else {
568: # ===================================================== Construction Space Call
569:
570: # ----------------------------------------------------------- Set document type
571:
572: &Apache::loncommon::content_type($r,'text/html');
573: $r->send_http_header;
574:
575: return OK if $r->header_only;
576: # ---------------------------------------------------------------------- Header
577: my $disuri=$uri;
578: my $fn=&Apache::lonnet::filelocation('',$uri);
579: $disuri=~s/^\/\~/\/priv\//;
580: $disuri=~s/\.meta$//;
581: my $target=$uri;
582: $target=~s/^\/\~/\/res\/$ENV{'request.role.domain'}\//;
583: $target=~s/\.meta$//;
584: my $bombs=&Apache::lonmsg::retrieve_author_res_msg($target);
585: if ($bombs) {
586: if ($ENV{'form.delmsg'}) {
587: if (&Apache::lonmsg::del_url_author_res_msg($target) eq 'ok') {
588: $bombs=&mt('Messages deleted.');
589: } else {
590: $bombs=&mt('Error deleting messages');
591: }
592: }
593: my $bodytag=&Apache::loncommon::bodytag('Error Messages');
594: my $del=&mt('Delete Messages');
595: $r->print(<<ENDBOMBS);
596: <html><head><title>Edit Catalog Information</title></head>
597: $bodytag
598: <h1>$disuri</h1>
599: <form method="post" name="defaultmeta">
600: <input type="submit" name="delmsg" value="$del" />
601: <br />$bombs
602: </form>
603: </body>
604: </html>
605: ENDBOMBS
606: } else {
607: my $displayfile='Catalog Information for '.$disuri;
608: if ($disuri=~/\/default$/) {
609: my $dir=$disuri;
610: $dir=~s/default$//;
611: $displayfile=&mt('Default Cataloging Information for Directory').' '.
612: $dir;
613: }
614: my $bodytag=&Apache::loncommon::bodytag('Edit Catalog Information');
615: %Apache::lonpublisher::metadatafields=();
616: %Apache::lonpublisher::metadatakeys=();
617: &Apache::lonpublisher::metaeval(&Apache::lonnet::getfile($fn));
618: $r->print(<<ENDEDIT);
619: <html><head><title>Edit Catalog Information</title></head>
620: $bodytag
621: <h1>$displayfile</h1>
622: <form method="post" name="defaultmeta">
623: ENDEDIT
624: $r->print('<script language="JavaScript">'.
625: &Apache::loncommon::browser_and_searcher_javascript.
626: '</script>');
627: my %lt=&fieldnames();
628: foreach ('author','title','subject','keywords','abstract','notes',
629: 'copyright','customdistributionfile','language','standards',
630: 'lowestgradelevel','highestgradelevel',
631: 'obsolete','obsoletereplacement') {
632: if (defined($ENV{'form.new_'.$_})) {
633: $Apache::lonpublisher::metadatafields{$_}=$ENV{'form.new_'.$_};
634: }
635: unless ($Apache::lonpublisher::metadatafields{'copyright'}) {
636: $Apache::lonpublisher::metadatafields{'copyright'}='default';
637: }
638: $r->print('<p>'.$lt{$_}.': '.&prettyinput($_,
639: $Apache::lonpublisher::metadatafields{$_},
640: 'new_'.$_,'defaultmeta').'</p>');
641: }
642: if ($ENV{'form.store'}) {
643: my $mfh;
644: unless ($mfh=Apache::File->new('>'.$fn)) {
645: $r->print(
646: '<p><font color=red>'.&mt('Could not write metadata').', '.
647: &mt('FAIL').'</font>');
648: } else {
649: foreach (sort keys %Apache::lonpublisher::metadatafields) {
650: unless ($_=~/\./) {
651: my $unikey=$_;
652: $unikey=~/^([A-Za-z]+)/;
653: my $tag=$1;
654: $tag=~tr/A-Z/a-z/;
655: print $mfh "\n\<$tag";
656: foreach
657: (split(/\,/,$Apache::lonpublisher::metadatakeys{$unikey})) {
658: my $value=
659: $Apache::lonpublisher::metadatafields{$unikey.'.'.$_};
660: $value=~s/\"/\'\'/g;
661: print $mfh ' '.$_.'="'.$value.'"';
662: }
663: print $mfh '>'.
664: &HTML::Entities::encode($Apache::lonpublisher::metadatafields{$unikey},'<>&"')
665: .'</'.$tag.'>';
666: }
667: }
668: $r->print('<p>'.&mt('Wrote Metadata'));
669: }
670: }
671: $r->print(
672: '<br /><input type="submit" name="store" value="'.
673: &mt('Store Catalog Information').'"></form></body></html>');
674: }
675: }
676: return OK;
677: }
678:
679: # ================================================================= BEGIN Block
680: BEGIN {
681: # Get columns of MySQL metadata table
682: @columns=&Apache::lonmysql::col_order('metadata');
683: }
684: 1;
685: __END__
686:
687:
688:
689:
690:
691:
692:
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