Annotation of loncom/interface/lonmeta.pm, revision 1.52
1.1 www 1: # The LearningOnline Network with CAPA
1.8 albertel 2: # Metadata display handler
3: #
1.52 ! www 4: # $Id: lonmeta.pm,v 1.51 2003/12/30 22:19:18 www Exp $
1.8 albertel 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.
1.1 www 14: #
1.8 albertel 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/
1.44 www 27:
1.1 www 28:
29: package Apache::lonmeta;
30:
31: use strict;
32: use Apache::Constants qw(:common);
1.3 www 33: use Apache::lonnet();
1.10 www 34: use Apache::loncommon();
1.46 www 35: use Apache::lonhtmlcommon();
1.23 www 36: use Apache::lonmsg;
37: use Apache::lonpublisher;
1.35 www 38: use Apache::lonlocal;
1.43 www 39: use Apache::lonmysql;
1.49 www 40: use Apache::lonmsg;
1.1 www 41:
1.44 www 42: # MySQL table columns
43:
44: my @columns;
45:
1.9 www 46: # ----------------------------------------- Fetch and evaluate dynamic metadata
47:
48: sub dynamicmeta {
49: my $url=&Apache::lonnet::declutter(shift);
50: $url=~s/\.meta$//;
51: my ($adomain,$aauthor)=($url=~/^(\w+)\/(\w+)\//);
1.19 www 52: my $regexp=$url;
1.9 www 53: $regexp=~s/(\W)/\\$1/g;
1.10 www 54: $regexp='___'.$regexp.'___';
1.16 albertel 55: my %evaldata=&Apache::lonnet::dump('nohist_resevaldata',$adomain,
56: $aauthor,$regexp);
1.30 www 57: my %sum=();
58: my %cnt=();
59: my %concat=();
1.40 matthew 60: my %listitems=(
1.10 www 61: 'course' => 'add',
1.29 www 62: 'goto' => 'add',
63: 'comefrom' => 'add',
1.10 www 64: 'avetries' => 'avg',
65: 'stdno' => 'add',
66: 'difficulty' => 'avg',
67: 'clear' => 'avg',
68: 'technical' => 'avg',
69: 'helpful' => 'avg',
70: 'correct' => 'avg',
71: 'depth' => 'avg',
72: 'comments' => 'app',
73: 'usage' => 'cnt'
74: );
1.39 albertel 75: while ($_=each(%evaldata)) {
76: my ($item,$purl,$cat)=split(/___/,$_);
77: ### Apache->request->print("\n".$_.' - '.$item.'<br />');
78: if (defined($cnt{$cat})) { $cnt{$cat}++; } else { $cnt{$cat}=1; }
1.30 www 79: unless ($listitems{$cat} eq 'app') {
80: if (defined($sum{$cat})) {
81: $sum{$cat}+=$evaldata{$_};
82: $concat{$cat}.=','.$item;
1.10 www 83: } else {
1.30 www 84: $sum{$cat}=$evaldata{$_};
85: $concat{$cat}=$item;
1.10 www 86: }
87: } else {
1.30 www 88: if (defined($sum{$cat})) {
1.10 www 89: if ($evaldata{$_}) {
1.46 www 90: $sum{$cat}.='<hr />'.$evaldata{$_};
1.10 www 91: }
92: } else {
1.30 www 93: $sum{$cat}=''.$evaldata{$_};
1.10 www 94: }
95: }
96: }
1.9 www 97: my %returnhash=();
1.39 albertel 98: while ($_=each(%cnt)) {
1.11 www 99: if ($listitems{$_} eq 'avg') {
100: $returnhash{$_}=int(($sum{$_}/$cnt{$_})*100.0+0.5)/100.0;
101: } elsif ($listitems{$_} eq 'cnt') {
102: $returnhash{$_}=$cnt{$_};
103: } else {
104: $returnhash{$_}=$sum{$_};
105: }
1.30 www 106: $returnhash{$_.'_list'}=$concat{$_};
1.39 albertel 107: ### Apache->request->print("\n<hr />".$_.': '.$returnhash{$_}.'<br />'.$returnhash{$_.'_list'});
1.9 www 108: }
1.40 matthew 109: #
1.46 www 110: # Deal with 'count' separately
1.40 matthew 111: $returnhash{'count'} = &access_count($url,$aauthor,$adomain);
1.47 www 112: # since "usage" is reserved word in MySQL ...
113: $returnhash{'sequsage'}=$returnhash{'usage'};
114: $returnhash{'sequsage_list'}=$returnhash{'usage_list'};
1.40 matthew 115:
1.9 www 116: return %returnhash;
1.40 matthew 117: }
118:
119: sub access_count {
120: my ($src,$author,$adomain) = @_;
121: my %countdata=&Apache::lonnet::dump('nohist_accesscount',$adomain,
122: $author,$src);
123: if (! exists($countdata{$src})) {
1.47 www 124: return &mt('Not Available');
1.40 matthew 125: } else {
126: return $countdata{$src};
127: }
1.25 www 128: }
129:
130: # ------------------------------------- Try to make an alt tag if there is none
131:
132: sub alttag {
1.26 www 133: my ($base,$src)=@_;
134: my $fullpath=&Apache::lonnet::hreflocation($base,$src);
135: my $alttag=&Apache::lonnet::metadata($fullpath,'title').' '.
136: &Apache::lonnet::metadata($fullpath,'subject').' '.
137: &Apache::lonnet::metadata($fullpath,'abstract');
138: $alttag=~s/\s+/ /gs;
139: $alttag=~s/\"//gs;
140: $alttag=~s/\'//gs;
141: $alttag=~s/\s+$//gs;
142: $alttag=~s/^\s+//gs;
143: if ($alttag) { return $alttag; } else
1.47 www 144: { return &mt('No information available'); }
1.9 www 145: }
1.1 www 146:
1.29 www 147: # -------------------------------------------------------------- Author display
148:
149: sub authordisplay {
150: my ($aname,$adom)=@_;
151: return &Apache::loncommon::aboutmewrapper(
152: &Apache::loncommon::plainname($aname,$adom),
1.46 www 153: $aname,$adom,'preview').' <tt>['.$aname.'@'.$adom.']</tt>';
1.29 www 154: }
155:
1.12 www 156: # -------------------------------------------------------------- Pretty display
157:
158: sub evalgraph {
159: my $value=shift;
1.13 www 160: unless ($value) { return ''; }
1.12 www 161: my $val=int($value*10.+0.5)-10;
162: my $output='<table border=0 cellpadding=0 cellspacing=0><tr>';
163: if ($val>=20) {
164: $output.='<td width=20 bgcolor="#555555">  </td>';
165: } else {
166: $output.='<td width='.($val).' bgcolor="#555555"> </td>'.
167: '<td width='.(20-$val).' bgcolor="#FF3333"> </td>';
168: }
169: $output.='<td bgcolor="#FFFF33"> </td>';
170: if ($val>20) {
171: $output.='<td width='.($val-20).' bgcolor="#33FF33"> </td>'.
172: '<td width='.(40-$val).' bgcolor="#555555"> </td>';
173: } else {
174: $output.='<td width=20 bgcolor="#555555">  </td>';
175: }
176: $output.='<td> ('.$value.') </td></tr></table>';
177: return $output;
178: }
179:
180: sub diffgraph {
181: my $value=shift;
1.13 www 182: unless ($value) { return ''; }
1.12 www 183: my $val=int(40.0*$value+0.5);
1.13 www 184: my @colors=('#FF9933','#EEAA33','#DDBB33','#CCCC33',
185: '#BBDD33','#CCCC33','#DDBB33','#EEAA33');
1.12 www 186: my $output='<table border=0 cellpadding=0 cellspacing=0><tr>';
187: for (my $i=0;$i<8;$i++) {
188: if ($val>$i*5) {
189: $output.='<td width=5 bgcolor="'.$colors[$i].'"> </td>';
190: } else {
191: $output.='<td width=5 bgcolor="#555555"> </td>';
192: }
193: }
194: $output.='<td> ('.$value.') </td></tr></table>';
195: return $output;
196: }
197:
1.44 www 198: # ==================================================== Turn MySQL row into hash
199:
200: sub metadata_col_to_hash {
201: my @cols=@_;
202: my %hash=();
203: for (my $i=0; $i<=$#columns; $i++) {
204: $hash{$columns[$i]}=$cols[$i];
205: }
206: return %hash;
207: }
208:
1.45 www 209: # ============================================================= The field names
210:
211: sub fieldnames {
212: return &Apache::lonlocal::texthash(
213: 'title' => 'Title',
214: 'author' =>'Author(s)',
215: 'subject' => 'Subject',
216: 'keywords' => 'Keyword(s)',
217: 'notes' => 'Notes',
218: 'abstract' => 'Abstract',
219: 'lowestgradelevel' => 'Lowest Grade Level',
220: 'highestgradelevel' => 'Highest Grade Level',
221: 'standards' => 'Standards',
222: 'mime' => 'MIME Type',
223: 'language' => 'Language',
224: 'creationdate' => 'Creation Date',
225: 'lastrevisiondate' => 'Last Revision Date',
226: 'owner' => 'Publisher/Owner',
227: 'copyright' => 'Copyright/Distribution',
228: 'customdistributionfile' => 'Custom Distribution File',
229: 'obsolete' => 'Obsolete',
230: 'obsoletereplacement' => 'Suggested Replacement for Obsolete File',
231: 'count' => 'Network-wide number of accesses (hits)',
232: 'course' => 'Network-wide number of courses using resource',
1.47 www 233: 'course_list' => 'Network-wide courses using resource',
234: 'sequsage' => 'Number of resources using or importing resource',
235: 'sequsage_list' => 'Resources using or importing resource',
1.45 www 236: 'goto' => 'Number of resources that follow this resource in maps',
1.47 www 237: 'goto_list' => 'Resources that follow this resource in maps',
1.45 www 238: 'comefrom' => 'Number of resources that lead up to this resource in maps',
1.47 www 239: 'comefrom_list' => 'Resources that lead up to this resource in maps',
1.45 www 240: 'clear' => 'Material presented in clear way',
241: 'depth' => 'Material covered with sufficient depth',
242: 'helpful' => 'Material is helpful',
243: 'correct' => 'Material appears to be correct',
244: 'technical' => 'Resource is technically correct',
245: 'avetries' => 'Average number of tries till solved',
246: 'stdno' => 'Total number of students who have worked on this problem',
247: 'difficulty' => 'Degree of difficulty'
248: );
249: }
1.46 www 250:
251: # =========================================== Pretty printing of metadata field
252:
253: sub prettyprint {
254: my ($type,$value)=@_;
255: unless (defined($value)) { return ' '; }
256: # Title
257: if ($type eq 'title') {
258: return '<font size="+1" face="arial">'.$value.'</font>';
259: }
260: # Dates
261: if (($type eq 'creationdate') ||
262: ($type eq 'lastrevisiondate')) {
263: return &Apache::lonlocal::locallocaltime(
264: &Apache::lonmysql::unsqltime($value));
265: }
266: # Language
267: if ($type eq 'language') {
268: return &Apache::loncommon::languagedescription($value);
269: }
270: # Copyright
271: if ($type eq 'copyright') {
272: return &Apache::loncommon::copyrightdescription($value);
273: }
274: # MIME
275: if ($type eq 'mime') {
276: return '<img src="'.&Apache::loncommon::icon($value).'" /> '.
277: &Apache::loncommon::filedescription($value);
278: }
279: # Person
280: if (($type eq 'author') ||
281: ($type eq 'owner') ||
282: ($type eq 'modifyinguser') ||
283: ($type eq 'authorspace')) {
284: $value=~s/(\w+)(\:|\@)(\w+)/&authordisplay($1,$3)/gse;
285: return $value;
286: }
1.48 www 287: # Gradelevel
288: if (($type eq 'lowestgradelevel') ||
289: ($type eq 'highestgradelevel')) {
290: return &Apache::loncommon::gradeleveldescription($value);
291: }
1.47 www 292: # Only for advance users below
293: unless ($ENV{'user.adv'}) { return '<i>- '.&mt('not displayed').' -</i>' };
1.46 www 294: # File
295: if (($type eq 'customdistributionfile') ||
296: ($type eq 'obsoletereplacement') ||
297: ($type eq 'goto_list') ||
298: ($type eq 'comefrom_list') ||
299: ($type eq 'sequsage_list')) {
300: return join('<br />',map {
301: &Apache::lonnet::gettitle($_).' ['.
302: &Apache::lonhtmlcommon::crumbs(&Apache::lonnet::clutter($_),'preview').']';
303: } split(/\s*\,\s*/,$value));
304: }
305: # Evaluations
306: if (($type eq 'clear') ||
307: ($type eq 'depth') ||
308: ($type eq 'helpful') ||
309: ($type eq 'correct') ||
310: ($type eq 'technical')) {
311: return &evalgraph($value);
312: }
313: # Difficulty
314: if ($type eq 'difficulty') {
315: return &diffgraph($value);
316: }
317: # List of courses
318: if ($type=~/\_list/) {
319: return join('<br />',map {
320: my %courseinfo=&Apache::lonnet::coursedescription($_);
321: '<a href="/public/'.
322: $courseinfo{'domain'}.'/'.$courseinfo{'num'}.'/syllabus" target="preview">'.
323: $courseinfo{'description'}.'</a>';
324: } split(/\s*\,\s*/,$value));
325: }
326: # No pretty print found
327: return $value;
328: }
329: # ============================================== Pretty input of metadata field
330:
1.48 www 331: sub selectbox {
332: my ($name,$value,$functionref,@idlist)=@_;
333: my $selout='<select name="'.$name.'">';
334: foreach (@idlist) {
335: $selout.='<option value=\''.$_.'\'';
336: if ($_ eq $value) {
337: $selout.=' selected>'.&{$functionref}($_).'</option>';
338: }
339: else {$selout.='>'.&{$functionref}($_).'</option>';}
340: }
341: return $selout.'</select>';
342: }
343:
344:
1.46 www 345: sub prettyinput {
1.48 www 346: my ($type,$value,$fieldname,$formname)=@_;
347: # Language
348: if ($type eq 'language') {
349: return &selectbox($fieldname,
350: $value,
351: \&Apache::loncommon::languagedescription,
352: (&Apache::loncommon::languageids));
353: }
354: # Copyright
355: if ($type eq 'copyright') {
356: return &selectbox($fieldname,
357: $value,
358: \&Apache::loncommon::copyrightdescription,
359: (&Apache::loncommon::copyrightids));
360: }
361: # Gradelevels
362: if (($type eq 'lowestgradelevel') ||
363: ($type eq 'highestgradelevel')) {
364: return &Apache::loncommon::select_level_form($value,$fieldname);
365: }
366: # Obsolete
367: if ($type eq 'obsolete') {
368: return '<input type="checkbox" name="'.$fieldname.'"'.
369: ($value?' checked="1"':'').' />';
370: }
371: # Obsolete replacement file
372: if ($type eq 'obsoletereplacement') {
373: return '<input type="text" name="'.$fieldname.
374: '" size="60" value="'.$value.'" /><a href="javascript:openbrowser'.
375: "('".$formname."','".$fieldname."'".
376: ",'')\">".&mt('Select').'</a>';
377: }
378: # Customdistribution file
379: if ($type eq 'customdistributionfile') {
380: return '<input type="text" name="'.$fieldname.
381: '" size="60" value="'.$value.'" /><a href="javascript:openbrowser'.
382: "('".$formname."','".$fieldname."'".
383: ",'rights')\">".&mt('Select').'</a>';
384: }
385: # Dates
386: if (($type eq 'creationdate') ||
387: ($type eq 'lastrevisiondate')) {
388: return &Apache::lonhtmlcommon::date_setter($formname,
389: $fieldname,$value);
390: }
391: # No pretty input found
392: $value=~s/^\s+//gs;
393: $value=~s/\s+$//gs;
394: $value=~s/\s+/ /gs;
395: $value=~s/\"/\&quod\;/gs;
396: return '<input type="text" name="'.$fieldname.'" size="80" value="'.$value.'" />';
1.46 www 397: }
398:
1.1 www 399: # ================================================================ Main Handler
400:
401: sub handler {
402: my $r=shift;
1.20 www 403:
404: my $loaderror=&Apache::lonnet::overloaderror($r);
405: if ($loaderror) { return $loaderror; }
406:
407:
408: my $uri=$r->uri;
409:
1.23 www 410: unless ($uri=~/^\/\~/) {
411: # =========================================== This is not in construction space
1.20 www 412: my ($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 $loaderror; }
419:
1.3 www 420: my %content=();
1.1 www 421:
422: # ----------------------------------------------------------- Set document type
423:
1.35 www 424: &Apache::loncommon::content_type($r,'text/html');
1.1 www 425: $r->send_http_header;
426:
427: return OK if $r->header_only;
428:
429: # ------------------------------------------------------------------- Read file
1.14 harris41 430: foreach (split(/\,/,&Apache::lonnet::metadata($uri,'keys'))) {
1.3 www 431: $content{$_}=&Apache::lonnet::metadata($uri,$_);
1.14 harris41 432: }
1.1 www 433: # --------------------------------------------------------------- Render Output
1.46 www 434: # displayed url
1.45 www 435: my ($thisversion)=($uri=~/\.(\d+)\.(\w+)\.meta$/);
1.50 www 436: $uri=~s/\.meta$//;
1.46 www 437: my $disuri=&Apache::lonnet::clutter($uri);
438: # version
1.45 www 439: my $currentversion=&Apache::lonnet::getversion($disuri);
440: my $versiondisplay='';
441: if ($thisversion) {
442: $versiondisplay=&mt('Version').': '.$thisversion.
1.47 www 443: ' ('.&mt('most recent version').': '.
444: ($currentversion>0?$currentversion:&mt('information not available')).')';
1.45 www 445: } else {
446: $versiondisplay='Version: '.$currentversion;
447: }
1.52 ! www 448: # crumbify displayed URL
! 449: $disuri=&Apache::lonhtmlcommon::crumbs($disuri);
1.46 www 450: # obsolete
1.45 www 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: }
1.36 www 457:
1.45 www 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: 'mime',
469: 'language',
470: 'creationdate',
471: 'lastrevisiondate',
472: 'owner',
473: 'copyright',
474: 'customdistributionfile',
475: 'obsolete',
476: 'obsoletereplacement') {
477: $table.='<tr><td bgcolor="#AAAAAA">'.$lt{$_}.
478: '</td><td bgcolor="#CCCCCC">'.
1.46 www 479: &prettyprint($_,$content{$_}).'</td></tr>';
1.45 www 480: delete $content{$_};
481: }
1.36 www 482:
1.1 www 483: $r->print(<<ENDHEAD);
484: <html><head><title>Catalog Information</title></head>
1.17 www 485: $bodytag
1.1 www 486: <h2>$content{'title'}</h2>
1.11 www 487: <h3><tt>$disuri</tt></h3>
1.36 www 488: $obsoletewarning
1.21 www 489: $versiondisplay<br />
1.11 www 490: <table cellspacing=2 border=0>
1.45 www 491: $table
1.11 www 492: </table>
1.1 www 493: ENDHEAD
1.7 www 494: if ($ENV{'user.adv'}) {
1.11 www 495: # ------------------------------------------------------------ Dynamic Metadata
496: $r->print(
1.47 www 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><table cellspacing=2 border=0>');
505: foreach ('count',
506: 'sequsage','sequsage_list',
507: 'comefrom','comefrom_list',
508: 'goto','goto_list',
509: 'course','course_list') {
510: $r->print('<tr><td bgcolor="#AAAAAA">'.$lt{$_}.'</td><td bgcolor="#CCCCCC">'.
511: &prettyprint($dynmeta{$_})."</td></tr>\n");
512: }
513: $r->print('</table>');
514: if ($uri=~/\.(problem|exam|quiz|assess|survey|form)\.meta$/) {
515: # This is an assessment, print assessment data
516: $r->print(
517: '<h4>'.&mt('Assessment Statistical Data').'</h4><table cellspacing=2 border=0>');
518: foreach ('stdno','avetries','difficulty') {
519: $r->print('<tr><td bgcolor="#AAAAAA">'.$lt{$_}.'</td><td bgcolor="#CCCCCC">'.
520: &prettyprint($dynmeta{$_})."</td></tr>\n");
521: }
522: $r->print('</table>');
1.11 www 523: }
1.47 www 524: $r->print('<h4>'.&mt('Evaluation Data').'</h4><table cellspacing=2 border=0>');
525: foreach ('clear','depth','helpful','correct','technical') {
526: $r->print('<tr><td bgcolor="#AAAAAA">'.$lt{$_}.'</td><td bgcolor="#CCCCCC">'.
527: &prettyprint($dynmeta{$_})."</td></tr>\n");
528: }
529: $r->print('</table>');
1.50 www 530: $uri=~/^\/res\/(\w+)\/(\w+)\//;
1.47 www 531: if ((($ENV{'user.domain'} eq $1) && ($ENV{'user.name'} eq $2))
532: || ($ENV{'user.role.ca./'.$1.'/'.$2})) {
1.50 www 533: $r->print('<h4>'.&mt('Evaluation Comments').' ('.
1.49 www 534: &mt('visible to author and co-authors only').')</h4>'.
1.47 www 535: '<blockquote>'.$dynmeta{'comments'}.'</blockquote>');
1.51 www 536: $r->print('<a name="bombs" /><h4>'.&mt('Error Messages').' ('.
1.49 www 537: &mt('visible to author and co-authors only').')</h4>'.
1.51 www 538: &Apache::lonmsg::retrieve_author_res_msg($uri));
1.12 www 539: }
1.47 www 540: # ------------------------------------------------------------- All other stuff
1.10 www 541: $r->print(
1.47 www 542: '<h3>'.&mt('Additional Metadata (non-standard, parameters, exports)').'</h3>');
543: foreach (sort keys %content) {
544: my $name=$_;
545: unless ($name=~/\.display$/) {
546: my $display=&Apache::lonnet::metadata($uri,$name.'.display');
547: unless ($display) { $display=$name; };
548: my $otherinfo='';
549: foreach ('name','part','type','default') {
550: if (defined(&Apache::lonnet::metadata($uri,$name.'.'.$_))) {
551: $otherinfo.=' '.$_.'='.
552: &Apache::lonnet::metadata($uri,$name.'.'.$_).'; ';
553: }
554: }
555: $r->print('<b>'.$display.':</b> '.$content{$name});
556: if ($otherinfo) {
557: $r->print(' ('.$otherinfo.')');
1.33 www 558: }
1.47 www 559: $r->print("<br />\n");
1.33 www 560: }
1.14 harris41 561: }
1.7 www 562: }
1.23 www 563: # ===================================================== End Resource Space Call
564: } else {
565: # ===================================================== Construction Space Call
566:
567: # ----------------------------------------------------------- Set document type
568:
1.45 www 569: &Apache::loncommon::content_type($r,'text/html');
1.23 www 570: $r->send_http_header;
571:
572: return OK if $r->header_only;
573: # ---------------------------------------------------------------------- Header
574: my $disuri=$uri;
575: my $fn=&Apache::lonnet::filelocation('',$uri);
1.52 ! www 576: $disuri=~s/^\/\~/\/priv\//;
1.23 www 577: $disuri=~s/\.meta$//;
1.52 ! www 578: my $target=$uri;
! 579: $target=~s/^\/\~/\/res\/$ENV{'request.role.domain'}\//;
! 580: $target=~s/\.meta$//;
! 581: my $bombs=&Apache::lonmsg::retrieve_author_res_msg($target);
! 582: if ($bombs) {
! 583: if ($ENV{'form.delmsg'}) {
! 584: if (&Apache::lonmsg::del_url_author_res_msg($target) eq 'ok') {
! 585: $bombs=&mt('Messages deleted.');
! 586: } else {
! 587: $bombs=&mt('Error deleting messages');
! 588: }
! 589: }
! 590: my $bodytag=&Apache::loncommon::bodytag('Error Messages');
! 591: my $del=&mt('Delete Messages');
! 592: $r->print(<<ENDBOMBS);
! 593: <html><head><title>Edit Catalog Information</title></head>
! 594: $bodytag
! 595: <h1>$disuri</h1>
! 596: <form method="post" name="defaultmeta">
! 597: <input type="submit" name="delmsg" value="$del" />
! 598: <br />$bombs
! 599: </form>
! 600: </body>
! 601: </html>
! 602: ENDBOMBS
! 603: } else {
! 604: my $displayfile='Catalog Information for '.$disuri;
! 605: if ($disuri=~/\/default$/) {
! 606: my $dir=$disuri;
! 607: $dir=~s/default$//;
! 608: $displayfile=&mt('Default Cataloging Information for Directory').' '.
! 609: $dir;
! 610: }
! 611: my $bodytag=&Apache::loncommon::bodytag('Edit Catalog Information');
! 612: %Apache::lonpublisher::metadatafields=();
! 613: %Apache::lonpublisher::metadatakeys=();
! 614: &Apache::lonpublisher::metaeval(&Apache::lonnet::getfile($fn));
! 615: $r->print(<<ENDEDIT);
1.23 www 616: <html><head><title>Edit Catalog Information</title></head>
617: $bodytag
618: <h1>$displayfile</h1>
1.48 www 619: <form method="post" name="defaultmeta">
1.23 www 620: ENDEDIT
1.52 ! www 621: $r->print('<script language="JavaScript">'.
! 622: &Apache::loncommon::browser_and_searcher_javascript.
! 623: '</script>');
! 624: my %lt=&fieldnames();
! 625: foreach ('author','title','subject','keywords','abstract','notes',
! 626: 'copyright','customdistributionfile','language','standards',
! 627: 'lowestgradelevel','highestgradelevel',
! 628: 'obsolete','obsoletereplacement') {
! 629: $Apache::lonpublisher::metadatafields{$_}=$ENV{'form.new_'.$_};
! 630: unless ($Apache::lonpublisher::metadatafields{'copyright'}) {
! 631: $Apache::lonpublisher::metadatafields{'copyright'}='default';
! 632: }
! 633: $r->print('<p>'.$lt{$_}.': '.&prettyinput($_,
! 634: $Apache::lonpublisher::metadatafields{$_},
! 635: 'new_'.$_,'defaultmeta').'</p>');
! 636: }
! 637: if ($ENV{'form.store'}) {
! 638: my $mfh;
! 639: unless ($mfh=Apache::File->new('>'.$fn)) {
! 640: $r->print(
! 641: '<p><font color=red>'.&mt('Could not write metadata').', '.
! 642: &mt('FAIL').'</font>');
! 643: } else {
! 644: foreach (sort keys %Apache::lonpublisher::metadatafields) {
! 645: unless ($_=~/\./) {
! 646: my $unikey=$_;
! 647: $unikey=~/^([A-Za-z]+)/;
! 648: my $tag=$1;
! 649: $tag=~tr/A-Z/a-z/;
! 650: print $mfh "\n\<$tag";
! 651: foreach
! 652: (split(/\,/,$Apache::lonpublisher::metadatakeys{$unikey})) {
! 653: my $value=
! 654: $Apache::lonpublisher::metadatafields{$unikey.'.'.$_};
! 655: $value=~s/\"/\'\'/g;
! 656: print $mfh ' '.$_.'="'.$value.'"';
! 657: }
! 658: print $mfh '>'.
! 659: &HTML::Entities::encode($Apache::lonpublisher::metadatafields{$unikey})
! 660: .'</'.$tag.'>';
! 661: }
! 662: }
! 663: $r->print('<p>'.&mt('Wrote Metadata'));
1.24 www 664: }
665: }
1.52 ! www 666: $r->print(
! 667: '<br /><input type="submit" name="store" value="'.
! 668: &mt('Store Catalog Information').'"></form></body></html>');
! 669: }
1.24 www 670: return OK;
1.52 ! www 671: }
1.1 www 672: }
673:
1.44 www 674: # ================================================================= BEGIN Block
675: BEGIN {
676: # Get columns of MySQL metadata table
677: @columns=&Apache::lonmysql::col_order('metadata');
678: }
1.1 www 679: 1;
680: __END__
681:
682:
683:
684:
685:
686:
687:
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