Annotation of loncom/interface/lonmeta.pm, revision 1.67
1.1 www 1: # The LearningOnline Network with CAPA
1.8 albertel 2: # Metadata display handler
3: #
1.67 ! matthew 4: # $Id: lonmeta.pm,v 1.66 2004/04/13 16:03:46 matthew 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;
1.63 matthew 32: use LONCAPA::lonmetadata();
1.1 www 33: use Apache::Constants qw(:common);
1.3 www 34: use Apache::lonnet();
1.10 www 35: use Apache::loncommon();
1.46 www 36: use Apache::lonhtmlcommon();
1.23 www 37: use Apache::lonmsg;
38: use Apache::lonpublisher;
1.35 www 39: use Apache::lonlocal;
1.43 www 40: use Apache::lonmysql;
1.49 www 41: use Apache::lonmsg;
1.1 www 42:
1.44 www 43:
1.64 matthew 44: # Fetch and evaluate dynamic metadata
1.9 www 45: sub dynamicmeta {
46: my $url=&Apache::lonnet::declutter(shift);
47: $url=~s/\.meta$//;
48: my ($adomain,$aauthor)=($url=~/^(\w+)\/(\w+)\//);
1.19 www 49: my $regexp=$url;
1.9 www 50: $regexp=~s/(\W)/\\$1/g;
1.10 www 51: $regexp='___'.$regexp.'___';
1.16 albertel 52: my %evaldata=&Apache::lonnet::dump('nohist_resevaldata',$adomain,
53: $aauthor,$regexp);
1.63 matthew 54: my %DynamicData = &LONCAPA::lonmetadata::process_reseval_data(\%evaldata);
55: my %Data = &LONCAPA::lonmetadata::process_dynamic_metadata($url,
56: \%DynamicData);
1.40 matthew 57: #
1.46 www 58: # Deal with 'count' separately
1.63 matthew 59: $Data{'count'} = &access_count($url,$aauthor,$adomain);
1.67 ! matthew 60: #
! 61: # Debugging code I will probably need later
! 62: if (0) {
! 63: &Apache::lonnet::logthis('Dynamic Metadata');
! 64: while(my($k,$v)=each(%Data)){
! 65: &Apache::lonnet::logthis(' "'.$k.'"=>"'.$v.'"');
! 66: }
! 67: &Apache::lonnet::logthis('-------------------');
! 68: }
1.63 matthew 69: return %Data;
1.40 matthew 70: }
71:
72: sub access_count {
73: my ($src,$author,$adomain) = @_;
74: my %countdata=&Apache::lonnet::dump('nohist_accesscount',$adomain,
75: $author,$src);
76: if (! exists($countdata{$src})) {
1.47 www 77: return &mt('Not Available');
1.40 matthew 78: } else {
79: return $countdata{$src};
80: }
1.25 www 81: }
82:
1.64 matthew 83: # Try to make an alt tag if there is none
1.25 www 84: sub alttag {
1.26 www 85: my ($base,$src)=@_;
86: my $fullpath=&Apache::lonnet::hreflocation($base,$src);
87: my $alttag=&Apache::lonnet::metadata($fullpath,'title').' '.
1.64 matthew 88: &Apache::lonnet::metadata($fullpath,'subject').' '.
89: &Apache::lonnet::metadata($fullpath,'abstract');
1.26 www 90: $alttag=~s/\s+/ /gs;
91: $alttag=~s/\"//gs;
92: $alttag=~s/\'//gs;
93: $alttag=~s/\s+$//gs;
94: $alttag=~s/^\s+//gs;
1.64 matthew 95: if ($alttag) {
96: return $alttag;
97: } else {
98: return &mt('No information available');
99: }
1.9 www 100: }
1.1 www 101:
1.64 matthew 102: # Author display
1.29 www 103: sub authordisplay {
104: my ($aname,$adom)=@_;
1.64 matthew 105: return &Apache::loncommon::aboutmewrapper
106: (&Apache::loncommon::plainname($aname,$adom),
107: $aname,$adom,'preview').' <tt>['.$aname.'@'.$adom.']</tt>';
1.29 www 108: }
109:
1.64 matthew 110: # Pretty display
1.12 www 111: sub evalgraph {
112: my $value=shift;
1.65 matthew 113: if (! $value) {
114: return '';
115: }
1.12 www 116: my $val=int($value*10.+0.5)-10;
117: my $output='<table border=0 cellpadding=0 cellspacing=0><tr>';
118: if ($val>=20) {
119: $output.='<td width=20 bgcolor="#555555">  </td>';
120: } else {
121: $output.='<td width='.($val).' bgcolor="#555555"> </td>'.
122: '<td width='.(20-$val).' bgcolor="#FF3333"> </td>';
123: }
124: $output.='<td bgcolor="#FFFF33"> </td>';
125: if ($val>20) {
126: $output.='<td width='.($val-20).' bgcolor="#33FF33"> </td>'.
127: '<td width='.(40-$val).' bgcolor="#555555"> </td>';
128: } else {
1.64 matthew 129: $output.='<td width=20 bgcolor="#555555">  </td>';
1.12 www 130: }
131: $output.='<td> ('.$value.') </td></tr></table>';
132: return $output;
133: }
134:
135: sub diffgraph {
136: my $value=shift;
1.65 matthew 137: if (! $value) {
138: return '';
139: }
1.12 www 140: my $val=int(40.0*$value+0.5);
1.13 www 141: my @colors=('#FF9933','#EEAA33','#DDBB33','#CCCC33',
142: '#BBDD33','#CCCC33','#DDBB33','#EEAA33');
1.12 www 143: my $output='<table border=0 cellpadding=0 cellspacing=0><tr>';
144: for (my $i=0;$i<8;$i++) {
145: if ($val>$i*5) {
146: $output.='<td width=5 bgcolor="'.$colors[$i].'"> </td>';
147: } else {
148: $output.='<td width=5 bgcolor="#555555"> </td>';
149: }
150: }
151: $output.='<td> ('.$value.') </td></tr></table>';
152: return $output;
153: }
154:
1.44 www 155:
1.64 matthew 156: # The field names
1.45 www 157: sub fieldnames {
1.64 matthew 158: return &Apache::lonlocal::texthash
159: (
160: 'title' => 'Title',
161: 'author' =>'Author(s)',
162: 'authorspace' => 'Author Space',
163: 'modifyinguser' => 'Last Modifying User',
164: 'subject' => 'Subject',
165: 'keywords' => 'Keyword(s)',
166: 'notes' => 'Notes',
167: 'abstract' => 'Abstract',
168: 'lowestgradelevel' => 'Lowest Grade Level',
169: 'highestgradelevel' => 'Highest Grade Level',
170: 'standards' => 'Standards',
171: 'mime' => 'MIME Type',
172: 'language' => 'Language',
173: 'creationdate' => 'Creation Date',
174: 'lastrevisiondate' => 'Last Revision Date',
175: 'owner' => 'Publisher/Owner',
176: 'copyright' => 'Copyright/Distribution',
177: 'customdistributionfile' => 'Custom Distribution File',
178: 'obsolete' => 'Obsolete',
179: 'obsoletereplacement' => 'Suggested Replacement for Obsolete File',
180: 'count' => 'Network-wide number of accesses (hits)',
181: 'course' => 'Network-wide number of courses using resource',
182: 'course_list' => 'Network-wide courses using resource',
183: 'sequsage' => 'Number of resources using or importing resource',
184: 'sequsage_list' => 'Resources using or importing resource',
185: 'goto' => 'Number of resources that follow this resource in maps',
186: 'goto_list' => 'Resources that follow this resource in maps',
187: 'comefrom' => 'Number of resources that lead up to this resource in maps',
188: 'comefrom_list' => 'Resources that lead up to this resource in maps',
189: 'clear' => 'Material presented in clear way',
190: 'depth' => 'Material covered with sufficient depth',
191: 'helpful' => 'Material is helpful',
192: 'correct' => 'Material appears to be correct',
193: 'technical' => 'Resource is technically correct',
194: 'avetries' => 'Average number of tries till solved',
195: 'stdno' => 'Total number of students who have worked on this problem',
196: 'difficulty' => 'Degree of difficulty'
197: );
1.45 www 198: }
1.46 www 199:
1.64 matthew 200: # Pretty printing of metadata field
1.46 www 201:
202: sub prettyprint {
203: my ($type,$value)=@_;
1.65 matthew 204: if (! defined($value)) {
205: return ' ';
206: }
1.64 matthew 207: # Title
1.46 www 208: if ($type eq 'title') {
209: return '<font size="+1" face="arial">'.$value.'</font>';
210: }
1.64 matthew 211: # Dates
1.46 www 212: if (($type eq 'creationdate') ||
213: ($type eq 'lastrevisiondate')) {
1.55 www 214: return ($value?&Apache::lonlocal::locallocaltime(
215: &Apache::lonmysql::unsqltime($value)):
216: &mt('not available'));
1.46 www 217: }
1.64 matthew 218: # Language
1.46 www 219: if ($type eq 'language') {
220: return &Apache::loncommon::languagedescription($value);
221: }
1.64 matthew 222: # Copyright
1.46 www 223: if ($type eq 'copyright') {
224: return &Apache::loncommon::copyrightdescription($value);
225: }
1.64 matthew 226: # MIME
1.46 www 227: if ($type eq 'mime') {
1.64 matthew 228: return '<img src="'.&Apache::loncommon::icon($value).'" /> '.
229: &Apache::loncommon::filedescription($value);
230: }
231: # Person
1.46 www 232: if (($type eq 'author') ||
233: ($type eq 'owner') ||
234: ($type eq 'modifyinguser') ||
235: ($type eq 'authorspace')) {
236: $value=~s/(\w+)(\:|\@)(\w+)/&authordisplay($1,$3)/gse;
237: return $value;
238: }
1.64 matthew 239: # Gradelevel
1.48 www 240: if (($type eq 'lowestgradelevel') ||
241: ($type eq 'highestgradelevel')) {
242: return &Apache::loncommon::gradeleveldescription($value);
243: }
1.64 matthew 244: # Only for advance users below
1.65 matthew 245: if (! $ENV{'user.adv'}) {
246: return '<i>- '.&mt('not displayed').' -</i>';
247: }
1.64 matthew 248: # File
1.46 www 249: if (($type eq 'customdistributionfile') ||
250: ($type eq 'obsoletereplacement') ||
251: ($type eq 'goto_list') ||
252: ($type eq 'comefrom_list') ||
253: ($type eq 'sequsage_list')) {
254: return join('<br />',map {
1.64 matthew 255: my $url=&Apache::lonnet::clutter($_);
256: '<b>'.&Apache::lonnet::gettitle($url).'</b>'.
257: &Apache::lonhtmlcommon::crumbs($url,'preview','',undef,'+0');
258: } split(/\s*\,\s*/,$value));
1.46 www 259: }
1.64 matthew 260: # Evaluations
1.46 www 261: if (($type eq 'clear') ||
262: ($type eq 'depth') ||
263: ($type eq 'helpful') ||
264: ($type eq 'correct') ||
265: ($type eq 'technical')) {
266: return &evalgraph($value);
267: }
1.64 matthew 268: # Difficulty
1.46 www 269: if ($type eq 'difficulty') {
270: return &diffgraph($value);
271: }
1.64 matthew 272: # List of courses
1.46 www 273: if ($type=~/\_list/) {
274: return join('<br />',map {
275: my %courseinfo=&Apache::lonnet::coursedescription($_);
276: '<a href="/public/'.
277: $courseinfo{'domain'}.'/'.$courseinfo{'num'}.'/syllabus" target="preview">'.
278: $courseinfo{'description'}.'</a>';
279: } split(/\s*\,\s*/,$value));
280: }
1.64 matthew 281: # No pretty print found
1.46 www 282: return $value;
283: }
284:
1.64 matthew 285: # Pretty input of metadata field
1.54 www 286: sub direct {
287: return shift;
288: }
289:
1.48 www 290: sub selectbox {
291: my ($name,$value,$functionref,@idlist)=@_;
1.65 matthew 292: if (! defined($functionref)) {
293: $functionref=\&direct;
294: }
1.48 www 295: my $selout='<select name="'.$name.'">';
296: foreach (@idlist) {
297: $selout.='<option value=\''.$_.'\'';
298: if ($_ eq $value) {
299: $selout.=' selected>'.&{$functionref}($_).'</option>';
300: }
301: else {$selout.='>'.&{$functionref}($_).'</option>';}
302: }
303: return $selout.'</select>';
304: }
305:
1.54 www 306: sub relatedfield {
307: my ($show,$relatedsearchflag,$relatedsep,$fieldname,$relatedvalue)=@_;
1.65 matthew 308: if (! $relatedsearchflag) {
309: return '';
310: }
311: if (! defined($relatedsep)) {
312: $relatedsep=' ';
313: }
314: if (! $show) {
315: return $relatedsep.' ';
316: }
1.54 www 317: return $relatedsep.'<input type="checkbox" name="'.$fieldname.'_related"'.
318: ($relatedvalue?' checked="1"':'').' />';
319: }
1.48 www 320:
1.46 www 321: sub prettyinput {
1.54 www 322: my ($type,$value,$fieldname,$formname,
323: $relatedsearchflag,$relatedsep,$relatedvalue)=@_;
1.64 matthew 324: # Language
1.48 www 325: if ($type eq 'language') {
326: return &selectbox($fieldname,
327: $value,
328: \&Apache::loncommon::languagedescription,
1.54 www 329: (&Apache::loncommon::languageids)).
1.64 matthew 330: &relatedfield(0,$relatedsearchflag,$relatedsep);
1.48 www 331: }
1.64 matthew 332: # Copyright
1.48 www 333: if ($type eq 'copyright') {
334: return &selectbox($fieldname,
335: $value,
336: \&Apache::loncommon::copyrightdescription,
1.54 www 337: (&Apache::loncommon::copyrightids)).
1.64 matthew 338: &relatedfield(0,$relatedsearchflag,$relatedsep);
1.48 www 339: }
1.64 matthew 340: # Gradelevels
1.48 www 341: if (($type eq 'lowestgradelevel') ||
342: ($type eq 'highestgradelevel')) {
1.54 www 343: return &Apache::loncommon::select_level_form($value,$fieldname).
1.64 matthew 344: &relatedfield(0,$relatedsearchflag,$relatedsep);
1.48 www 345: }
1.64 matthew 346: # Obsolete
1.48 www 347: if ($type eq 'obsolete') {
348: return '<input type="checkbox" name="'.$fieldname.'"'.
1.54 www 349: ($value?' checked="1"':'').' />'.
1.64 matthew 350: &relatedfield(0,$relatedsearchflag,$relatedsep);
1.48 www 351: }
1.64 matthew 352: # Obsolete replacement file
1.48 www 353: if ($type eq 'obsoletereplacement') {
354: return '<input type="text" name="'.$fieldname.
355: '" size="60" value="'.$value.'" /><a href="javascript:openbrowser'.
356: "('".$formname."','".$fieldname."'".
1.54 www 357: ",'')\">".&mt('Select').'</a>'.
1.64 matthew 358: &relatedfield(0,$relatedsearchflag,$relatedsep);
359: }
360: # Customdistribution file
1.48 www 361: if ($type eq 'customdistributionfile') {
362: return '<input type="text" name="'.$fieldname.
363: '" size="60" value="'.$value.'" /><a href="javascript:openbrowser'.
364: "('".$formname."','".$fieldname."'".
1.54 www 365: ",'rights')\">".&mt('Select').'</a>'.
1.64 matthew 366: &relatedfield(0,$relatedsearchflag,$relatedsep);
1.48 www 367: }
1.64 matthew 368: # Dates
1.48 www 369: if (($type eq 'creationdate') ||
370: ($type eq 'lastrevisiondate')) {
1.64 matthew 371: return
372: &Apache::lonhtmlcommon::date_setter($formname,$fieldname,$value).
373: &relatedfield(0,$relatedsearchflag,$relatedsep);
1.48 www 374: }
1.64 matthew 375: # No pretty input found
1.48 www 376: $value=~s/^\s+//gs;
377: $value=~s/\s+$//gs;
378: $value=~s/\s+/ /gs;
379: $value=~s/\"/\&quod\;/gs;
1.54 www 380: return
1.64 matthew 381: '<input type="text" name="'.$fieldname.'" size="80" '.
382: 'value="'.$value.'" />'.
383: &relatedfield(1,$relatedsearchflag,$relatedsep,$fieldname,
384: $relatedvalue);
1.46 www 385: }
386:
1.64 matthew 387: # Main Handler
1.1 www 388: sub handler {
1.64 matthew 389: my $r=shift;
390: #
1.67 ! matthew 391: my $uri=$r->uri;
! 392: #
! 393: # Check to see if this server is overloaded
1.20 www 394: my $loaderror=&Apache::lonnet::overloaderror($r);
1.67 ! matthew 395: if ($loaderror) {
! 396: return $loaderror;
! 397: }
1.64 matthew 398: #
1.67 ! matthew 399: # Check to see if original resource server is overloaded
! 400: my ($resdomain,$resuser)=
! 401: (&Apache::lonnet::declutter($uri)=~/^(\w+)\/(\w+)\//);
! 402: $loaderror=&Apache::lonnet::overloaderror
! 403: ($r,&Apache::lonnet::homeserver($resuser,$resdomain));
! 404: if ($loaderror) {
! 405: return $loaderror;
! 406: }
! 407: #
! 408: # Set document type
! 409: &Apache::loncommon::content_type($r,'text/html');
! 410: $r->send_http_header;
! 411: return OK if $r->header_only;
1.64 matthew 412: #
1.67 ! matthew 413: $r->print('<html><head><title>'.
! 414: 'Catalog Information'.
! 415: '</title></head>');
1.66 matthew 416: if ($uri=~m:/adm/bombs/(.*)$:) {
1.67 ! matthew 417: $r->print(&Apache::loncommon::bodytag('Error Messages'));
1.66 matthew 418: # Looking for all bombs?
419: &report_bombs($r,$uri);
420: } elsif ($uri=~/^\/\~/) {
421: # Construction space
1.67 ! matthew 422: $r->print(&Apache::loncommon::bodytag
! 423: ('Edit Catalog Information','','','',$resdomain));
1.66 matthew 424: &present_editable_metadata($r,$uri);
425: } else {
1.67 ! matthew 426: $r->print(&Apache::loncommon::bodytag
! 427: ('Catalog Information','','','',$resdomain));
1.66 matthew 428: &present_uneditable_metadata($r,$uri);
429: }
1.67 ! matthew 430: $r->print('</body></html>');
1.66 matthew 431: return OK;
432: }
433:
1.67 ! matthew 434: #####################################################
! 435: #####################################################
! 436: ### ###
! 437: ### Report Bombs ###
! 438: ### ###
! 439: #####################################################
! 440: #####################################################
1.66 matthew 441: sub report_bombs {
442: my ($r,$uri) = @_;
443: # Set document type
1.67 ! matthew 444: $uri =~ s:/adm/bombs/::;
! 445: $uri = &Apache::lonnet::declutter($uri);
1.66 matthew 446: $r->print('<h1>'.&Apache::lonnet::clutter($uri).'</h1>');
447: my ($domain,$author)=($uri=~/^(\w+)\/(\w+)\//);
448: if (&Apache::loncacc::constructaccess('/~'.$author.'/',$domain)) {
1.67 ! matthew 449: my %brokenurls =
! 450: &Apache::lonmsg::all_url_author_res_msg($author,$domain);
! 451: foreach (sort(keys(%brokenurls))) {
1.66 matthew 452: if ($_=~/^\Q$uri\E/) {
453: $r->print(&Apache::lonhtmlcommon::crumbs
454: (&Apache::lonnet::clutter($_)).
455: &Apache::lonmsg::retrieve_author_res_msg($_).
456: '<hr />');
1.64 matthew 457: }
458: }
1.66 matthew 459: } else {
460: $r->print(&mt('Not authorized'));
461: }
462: return;
463: }
464:
1.67 ! matthew 465: #####################################################
! 466: #####################################################
! 467: ### ###
! 468: ### Uneditable Metadata Display ###
! 469: ### ###
! 470: #####################################################
! 471: #####################################################
1.66 matthew 472: sub present_uneditable_metadata {
473: my ($r,$uri) = @_;
474: #
475: my %content=();
476: # Read file
477: foreach (split(/\,/,&Apache::lonnet::metadata($uri,'keys'))) {
478: $content{$_}=&Apache::lonnet::metadata($uri,$_);
479: }
480: # Render Output
481: # displayed url
482: my ($thisversion)=($uri=~/\.(\d+)\.(\w+)\.meta$/);
483: $uri=~s/\.meta$//;
484: my $disuri=&Apache::lonnet::clutter($uri);
485: # version
486: my $currentversion=&Apache::lonnet::getversion($disuri);
487: my $versiondisplay='';
488: if ($thisversion) {
489: $versiondisplay=&mt('Version').': '.$thisversion.
490: ' ('.&mt('most recent version').': '.
491: ($currentversion>0 ?
492: $currentversion :
493: &mt('information not available')).')';
494: } else {
495: $versiondisplay='Version: '.$currentversion;
496: }
497: # crumbify displayed URL
498: $disuri=&Apache::lonhtmlcommon::crumbs($disuri);
499: # obsolete
500: my $obsolete=$content{'obsolete'};
501: my $obsoletewarning='';
502: if (($obsolete) && ($ENV{'user.adv'})) {
503: $obsoletewarning='<p><font color="red">'.
504: &mt('This resource has been marked obsolete by the author(s)').
505: '</font></p>';
506: }
507: #
508: my %lt=&fieldnames();
509: my $table='';
510: foreach ('title',
511: 'author',
512: 'subject',
513: 'keywords',
514: 'notes',
515: 'abstract',
516: 'lowestgradelevel',
517: 'highestgradelevel',
518: 'standards',
519: 'mime',
520: 'language',
521: 'creationdate',
522: 'lastrevisiondate',
523: 'owner',
524: 'copyright',
525: 'customdistributionfile',
526: 'obsolete',
527: 'obsoletereplacement') {
528: $table.='<tr><td bgcolor="#AAAAAA">'.$lt{$_}.
529: '</td><td bgcolor="#CCCCCC">'.
530: &prettyprint($_,$content{$_}).'</td></tr>';
531: delete $content{$_};
532: }
533: #
534: $r->print(<<ENDHEAD);
1.1 www 535: <h2>$content{'title'}</h2>
1.11 www 536: <h3><tt>$disuri</tt></h3>
1.36 www 537: $obsoletewarning
1.21 www 538: $versiondisplay<br />
1.11 www 539: <table cellspacing=2 border=0>
1.45 www 540: $table
1.11 www 541: </table>
1.1 www 542: ENDHEAD
1.66 matthew 543: if ($ENV{'user.adv'}) {
1.67 ! matthew 544: &print_dynamic_metadata($r,$uri);
! 545: }
! 546: return;
! 547: }
! 548:
! 549: sub print_dynamic_metadata {
! 550: my ($r,$uri) = @_;
! 551: #
! 552: my $description = 'Dynamic Metadata (updated periodically)';
! 553: $r->print('<h3>'.&mt($description).'</h3>'.
! 554: &mt('Processing').' ...<br />');
! 555: $r->rflush();
! 556: my %items=&fieldnames();
! 557: my %dynmeta=&dynamicmeta($uri);
! 558: #
! 559: # General Access and Usage Statistics
! 560: $r->print('<h4>'.&mt('Access and Usage Statistics').'</h4>'.
! 561: '<table cellspacing=2 border=0>');
! 562: foreach ('count',
! 563: 'sequsage','sequsage_list',
! 564: 'comefrom','comefrom_list',
! 565: 'goto','goto_list',
! 566: 'course','course_list') {
! 567: $r->print('<tr><td bgcolor="#AAAAAA">'.$lt{$_}.'</td>'.
! 568: '<td bgcolor="#CCCCCC">'.
! 569: &prettyprint($_,$dynmeta{$_})."</td></tr>\n");
! 570: }
! 571: $r->print('</table>');
! 572: if ($uri=~/\.(problem|exam|quiz|assess|survey|form)$/) {
! 573: # This is an assessment, print assessment data
1.66 matthew 574: $r->print(
1.67 ! matthew 575: '<h4>'.&mt('Assessment Statistical Data').'</h4>'.
1.66 matthew 576: '<table cellspacing=2 border=0>');
1.67 ! matthew 577: foreach ('stdno','avetries','difficulty') {
1.66 matthew 578: $r->print('<tr><td bgcolor="#AAAAAA">'.$lt{$_}.'</td>'.
579: '<td bgcolor="#CCCCCC">'.
580: &prettyprint($_,$dynmeta{$_})."</td></tr>\n");
581: }
1.67 ! matthew 582: $r->print('</table>');
! 583: }
! 584:
! 585: $r->print('<h4>'.&mt('Evaluation Data').'</h4>'.
! 586: '<table cellspacing=2 border=0>');
! 587: foreach ('clear','depth','helpful','correct','technical') {
! 588: $r->print('<tr><td bgcolor="#AAAAAA">'.$lt{$_}.'</td>'.
! 589: '<td bgcolor="#CCCCCC">'.
! 590: &prettyprint($_,$dynmeta{$_})."</td></tr>\n");
! 591: }
! 592: $r->print('</table>');
! 593: $uri=~/^\/res\/(\w+)\/(\w+)\//;
! 594: if ((($ENV{'user.domain'} eq $1) && ($ENV{'user.name'} eq $2))
! 595: || ($ENV{'user.role.ca./'.$1.'/'.$2})) {
! 596: $r->print('<h4>'.&mt('Evaluation Comments').' ('.
! 597: &mt('visible to author and co-authors only').
! 598: ')</h4>'.
! 599: '<blockquote>'.$dynmeta{'comments'}.'</blockquote>');
! 600: $r->print('<a name="bombs" /><h4>'.&mt('Error Messages').' ('.
! 601: &mt('visible to author and co-authors only').')'.
! 602: '</h4>'.
! 603: &Apache::lonmsg::retrieve_author_res_msg($uri));
! 604: }
! 605: # All other stuff
! 606: $r->print('<h3>'.
! 607: &mt('Additional Metadata (non-standard, parameters, exports)').
! 608: '</h3>');
! 609: foreach (sort(keys(%content))) {
! 610: my $name=$_;
! 611: if ($name!~/\.display$/) {
! 612: my $display=&Apache::lonnet::metadata($uri,
! 613: $name.'.display');
! 614: if (! $display) {
! 615: $display=$name;
! 616: };
! 617: my $otherinfo='';
! 618: foreach ('name','part','type','default') {
! 619: if (defined(&Apache::lonnet::metadata($uri,
! 620: $name.'.'.$_))) {
! 621: $otherinfo.=' '.$_.'='.
! 622: &Apache::lonnet::metadata($uri,
! 623: $name.'.'.$_).'; ';
! 624: }
1.64 matthew 625: }
1.67 ! matthew 626: $r->print('<b>'.$display.':</b> '.$content{$name});
! 627: if ($otherinfo) {
! 628: $r->print(' ('.$otherinfo.')');
1.64 matthew 629: }
1.67 ! matthew 630: $r->print("<br />\n");
1.64 matthew 631: }
1.66 matthew 632: }
1.67 ! matthew 633: return;
1.66 matthew 634: }
635:
1.67 ! matthew 636: #####################################################
! 637: #####################################################
! 638: ### ###
! 639: ### Editable metadata display ###
! 640: ### ###
! 641: #####################################################
! 642: #####################################################
1.66 matthew 643: sub present_editable_metadata {
644: my ($r,$uri) = @_;
645: # Construction Space Call
646: # Header
647: my $disuri=$uri;
648: my $fn=&Apache::lonnet::filelocation('',$uri);
649: $disuri=~s/^\/\~/\/priv\//;
650: $disuri=~s/\.meta$//;
651: my $target=$uri;
652: $target=~s/^\/\~/\/res\/$ENV{'request.role.domain'}\//;
653: $target=~s/\.meta$//;
654: my $bombs=&Apache::lonmsg::retrieve_author_res_msg($target);
655: if ($bombs) {
656: if ($ENV{'form.delmsg'}) {
657: if (&Apache::lonmsg::del_url_author_res_msg($target) eq 'ok') {
658: $bombs=&mt('Messages deleted.');
659: } else {
660: $bombs=&mt('Error deleting messages');
1.64 matthew 661: }
1.66 matthew 662: }
663: my $del=&mt('Delete Messages');
664: $r->print(<<ENDBOMBS);
1.52 www 665: <h1>$disuri</h1>
666: <form method="post" name="defaultmeta">
1.59 www 667: <input type="submit" name="delmsg" value="$del" />
1.52 www 668: <br />$bombs
669: ENDBOMBS
1.66 matthew 670: } else {
671: my $displayfile='Catalog Information for '.$disuri;
672: if ($disuri=~/\/default$/) {
673: my $dir=$disuri;
674: $dir=~s/default$//;
675: $displayfile=
676: &mt('Default Cataloging Information for Directory').' '.
677: $dir;
678: }
679: my $bodytag=
680: &Apache::loncommon::bodytag('Edit Catalog Information');
681: %Apache::lonpublisher::metadatafields=();
682: %Apache::lonpublisher::metadatakeys=();
683: &Apache::lonpublisher::metaeval(&Apache::lonnet::getfile($fn));
684: $r->print(<<ENDEDIT);
1.23 www 685: <html><head><title>Edit Catalog Information</title></head>
686: $bodytag
687: <h1>$displayfile</h1>
1.48 www 688: <form method="post" name="defaultmeta">
1.23 www 689: ENDEDIT
1.66 matthew 690: $r->print('<script language="JavaScript">'.
691: &Apache::loncommon::browser_and_searcher_javascript.
692: '</script>');
693: my %lt=&fieldnames();
694: foreach ('author','title','subject','keywords','abstract','notes',
695: 'copyright','customdistributionfile','language',
696: 'standards',
697: 'lowestgradelevel','highestgradelevel',
698: 'obsolete','obsoletereplacement') {
699: if (defined($ENV{'form.new_'.$_})) {
700: $Apache::lonpublisher::metadatafields{$_}=
701: $ENV{'form.new_'.$_};
702: }
703: if (! $Apache::lonpublisher::metadatafields{'copyright'}) {
704: $Apache::lonpublisher::metadatafields{'copyright'}=
705: 'default';
1.64 matthew 706: }
1.66 matthew 707: $r->print('<p>'.$lt{$_}.': '.
708: &prettyinput
709: ($_,$Apache::lonpublisher::metadatafields{$_},
710: 'new_'.$_,'defaultmeta').'</p>');
711: }
712: if ($ENV{'form.store'}) {
713: my $mfh;
714: if (! ($mfh=Apache::File->new('>'.$fn))) {
715: $r->print('<p><font color=red>'.
716: &mt('Could not write metadata').', '.
717: &mt('FAIL').'</font>');
718: } else {
719: foreach (sort keys %Apache::lonpublisher::metadatafields) {
1.67 ! matthew 720: next if ($_ =~ /\./);
! 721: my $unikey=$_;
! 722: $unikey=~/^([A-Za-z]+)/;
! 723: my $tag=$1;
! 724: $tag=~tr/A-Z/a-z/;
! 725: print $mfh "\n\<$tag";
! 726: foreach (split(/\,/,
1.64 matthew 727: $Apache::lonpublisher::metadatakeys{$unikey})
1.67 ! matthew 728: ) {
! 729: my $value=
! 730: $Apache::lonpublisher::metadatafields{$unikey.'.'.$_};
! 731: $value=~s/\"/\'\'/g;
! 732: print $mfh ' '.$_.'="'.$value.'"';
1.64 matthew 733: }
1.67 ! matthew 734: print $mfh '>'.
! 735: &HTML::Entities::encode
! 736: ($Apache::lonpublisher::metadatafields{$unikey},
! 737: '<>&"').
! 738: '</'.$tag.'>';
1.64 matthew 739: }
1.66 matthew 740: $r->print('<p>'.&mt('Wrote Metadata'));
1.64 matthew 741: }
742: }
1.66 matthew 743: $r->print('<br /><input type="submit" name="store" value="'.
1.67 ! matthew 744: &mt('Store Catalog Information').'">');
1.64 matthew 745: }
1.67 ! matthew 746: $r->print('</form>');
1.66 matthew 747: return;
1.1 www 748: }
749:
1.67 ! matthew 750: ##############################################################
! 751: ##############################################################
! 752: # MySQL table columns
! 753:
! 754: my @columns;
! 755:
1.44 www 756: BEGIN {
1.64 matthew 757: # Get columns of MySQL metadata table
1.44 www 758: @columns=&Apache::lonmysql::col_order('metadata');
759: }
1.67 ! matthew 760:
! 761: #
! 762: # Turn MySQL row into hash
! 763: # This routine should be moved to lonmetadata
! 764: # a more generic place since it has nothing to do with metadata
! 765: sub metadata_col_to_hash {
! 766: my @cols=@_;
! 767: my %hash=();
! 768: for (my $i=0; $i<=$#columns; $i++) {
! 769: $hash{$columns[$i]}=$cols[$i];
! 770: }
! 771: return %hash;
! 772: }
! 773:
1.64 matthew 774:
1.1 www 775: 1;
776: __END__
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