1: # The LearningOnline Network with CAPA
2: # Directory Indexer
3: #
4: # $Id: lonindexer.pm,v 1.192 2009/03/17 23:11:20 droeschl 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:
30: ###############################################################################
31: ## ##
32: ## ORGANIZATION OF THIS PERL MODULE ##
33: ## ##
34: ## 1. Description of functions ##
35: ## 2. Modules used by this module ##
36: ## 3. Choices for different output views (detailed, summary, xml, etc) ##
37: ## 4. BEGIN block (to be run once after compilation) ##
38: ## 5. Handling routine called via Apache and mod_perl ##
39: ## 6. Other subroutines ##
40: ## ##
41: ###############################################################################
42:
43: package Apache::lonindexer;
44:
45: # ------------------------------------------------- modules used by this module
46: use strict;
47: use Apache::lonnet;
48: use Apache::loncommon();
49: use Apache::lonhtmlcommon();
50: use Apache::lonsequence();
51: use Apache::Constants qw(:common);
52: use Apache::lonmeta;
53: use Apache::File;
54: use Apache::lonlocal;
55: use Apache::lonsource();
56: use Apache::groupsort();
57: use GDBM_File;
58: use LONCAPA qw(:match);
59:
60: # ---------------------------------------- variables used throughout the module
61: my %hash; # global user-specific gdbm file
62: my %dirs; # keys are directories, values are the open/close status
63: my %language; # has the reference information present in language.tab
64: my %dynhash; # hash of hashes for dynamic metadata
65: my %dynread; # hash of directories already read for dynamic metadata
66: my %fieldnames; # Metadata fieldnames
67: # ----- Values which are set by the handler subroutine and are accessible to
68: # ----- other methods.
69: my $extrafield; # default extra table cell
70: my $fnum; # file counter
71: my $dnum; # directory counter
72:
73: # ----- Used to include or exclude files with certain extensions.
74: my @Only = ();
75: my @Omit = ();
76:
77:
78:
79:
80: # ----------------------------- Handling routine called via Apache and mod_perl
81: sub handler {
82: my $r = shift;
83: my $c = $r->connection();
84: &Apache::loncommon::content_type($r,'text/html');
85: &Apache::loncommon::no_cache($r);
86: $r->send_http_header;
87: return OK if $r->header_only;
88: $fnum=0;
89: $dnum=0;
90:
91: # Deal with stupid global variables (is there a way around making
92: # these global to this package? It is just so wrong....)
93: undef (@Only);
94: undef (@Omit);
95: %fieldnames=&Apache::lonmeta::fieldnames();
96:
97: # ------------------------------------- read in machine configuration variables
98: my $iconpath= $r->dir_config('lonIconsURL') . "/";
99: my $domain = $r->dir_config('lonDefDomain');
100: my $role = $r->dir_config('lonRole');
101: my $loadlim = $r->dir_config('lonLoadLim');
102: my $servadm = $r->dir_config('lonAdmEMail');
103: my $sysadm = $r->dir_config('lonSysEMail');
104: my $lonhost = $r->dir_config('lonHostID');
105: my $tabdir = $r->dir_config('lonTabDir');
106:
107: #SB my $fileclr='#ffffe6';
108: my $line;
109: my (@attrchk,@openpath,$typeselect);
110: my $uri=$r->uri;
111:
112: # -------------------------------------- see if called from an interactive mode
113: # Get the parameters from the query string
114: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
115: ['catalogmode','launch','acts','mode','form','element',
116: 'only','omit','titleelement']);
117: #-------------------------------------------------------------------
118: my $closebutton='';
119: my $groupimportbutton='';
120: my $colspan='';
121:
122: $extrafield='';
123: my $diropendb =
124: "/home/httpd/perl/tmp/$env{'user.domain'}_$env{'user.name'}_sel_res.db";
125: %hash = ();
126: {
127: my %dbfile;
128: if (tie(%dbfile,'GDBM_File',$diropendb,&GDBM_WRITER(),0640)) {
129: if ($env{'form.launch'} eq '1') {
130: &start_fresh_session(\%dbfile);
131: }
132: while(my($key,$value)=each(%dbfile)) {
133: $hash{$key}=$value;
134: }
135: untie(%dbfile);
136: }
137: }
138: # - Evaluate actions from previous page (both cumulatively and chronologically)
139: if ($env{'form.catalogmode'} eq 'import' || $hash{'form.catalogmode'} eq 'import') {
140: &Apache::groupsort::update_actions_hash(\%hash);
141: }
142:
143: {
144: #Hijack lonindexer to verify a title and be close down.
145: if ($env{'form.launch'} eq '2') {
146: &Apache::loncommon::content_type($r,'text/html');
147: my $extra='';
148: if (defined($env{'form.titleelement'}) &&
149: $env{'form.titleelement'} ne '') {
150: my $verify_title = &Apache::lonnet::gettitle($env{'form.acts'});
151: # &Apache::lonnet::logthis("Hrrm $env{'form.acts'} -- $verify_title");
152: $verify_title=~s/'/\\'/g;
153: $extra='window.opener.document.forms["'.$env{'form.form'}.'"].elements["'.$env{'form.titleelement'}.'"].value=\''.$verify_title.'\';';
154: }
155: my $js = <<ENDSUBM;
156: <script type="text/javascript">
157: function load() {
158: window.opener.document.forms["$env{'form.form'}"]
159: .elements["$env{'form.element'}"]
160: .value='$env{'form.acts'}';
161: $extra
162: window.close();
163: }
164: </script>
165: ENDSUBM
166: $r->print(&Apache::loncommon::start_page(undef,$js,
167: {'only_body' =>1,
168: 'add_entries' =>
169: {'onload' => "load();"},}
170: ).
171: &Apache::loncommon::end_page());
172: return OK;
173: }
174:
175: # -------------------- refresh environment with user database values (in %hash)
176: &setvalues(\%hash,'form.catalogmode',\%env,'form.catalogmode' );
177:
178: # --------------------- define extra fields and buttons in case of special mode
179: if ($env{'form.catalogmode'} eq 'interactive') {
180: #SB $extrafield='<td bgcolor="'.$fileclr.'" valign="bottom">'.
181: $extrafield='<td class="LC_bottom">'.
182: '<img alt="" src="'.$iconpath.'whitespace1.gif"'.
183: ' class="LC_icon" /></td>';
184: $colspan=" colspan='2' ";
185: my $cl=&mt('Close');
186: $closebutton=<<END;
187: <input type="button" name="close" value='$cl' onClick="self.close()" />
188: END
189: }
190: elsif ($env{'form.catalogmode'} eq 'import') {
191: #SB $extrafield='<td bgcolor="'.$fileclr.'" valign="bottom">'.
192: $extrafield='<td class="LC_bottom">'.
193: '<img alt="" src="'.$iconpath.'whitespace1.gif"'.
194: ' class="LC_icon" /></td>';
195: $colspan=" colspan='2' ";
196: my $cl=&mt('Close');
197: my $gi=&mt('Import');
198: $closebutton=<<END;
199: <input type="button" name="close" value='$cl' onClick="self.close()" />
200: END
201: $groupimportbutton=<<END;
202: <input type="button" name="groupimport" value='$gi'
203: onClick="javascript:select_group()" />
204: END
205: }
206: # Additions made by Matthew to make the browser a little easier to deal
207: # with in the future.
208: #
209: # $mode (at this time) indicates if we are in edit mode.
210: # $form is the name of the form that the URL is placed when the
211: # selection is made.
212: # $element is the name of the element in $formname which receives
213: # the URL.
214: #&Apache::lonxml::debug('Checking mode, form, element');
215: &setvalues(\%hash,'form.mode' ,\%env,'form.mode' );
216: &setvalues(\%hash,'form.form' ,\%env,'form.form' );
217: &setvalues(\%hash,'form.element' ,\%env,'form.element');
218: &setvalues(\%hash,'form.titleelement',\%env,'form.titleelement');
219: &setvalues(\%hash,'form.only' ,\%env,'form.only' );
220: &setvalues(\%hash,'form.omit' ,\%env,'form.omit' );
221:
222: # Deal with 'omit' and 'only'
223: if (exists $env{'form.omit'}) {
224: @Omit = split(',',$env{'form.omit'});
225: }
226: if (exists $env{'form.only'}) {
227: @Only = split(',',$env{'form.only'});
228: }
229:
230: my $mode = $env{'form.mode'};
231: my ($form,$element,$titleelement);
232: if ($mode eq 'edit' || $mode eq 'parmset') {
233: $form = $env{'form.form'};
234: $element = $env{'form.element'};
235: $titleelement = $env{'form.titleelement'};
236: }
237: #&Apache::lonxml::debug("mode=$mode form=$form element=$element titleelement=$titleelement");
238: # ------ set catalogmodefunctions to have extra needed javascript functionality
239: my $catalogmodefunctions='';
240: if ($env{'form.catalogmode'} eq 'interactive' or
241: $env{'form.catalogmode'} eq 'import') {
242: # The if statement below sets us up to use the old version
243: # by default (ie. if $mode is undefined). This is the easy
244: # way out. Hopefully in the future I'll find a way to get
245: # the calls dealt with in a more comprehensive manner.
246:
247: #
248: # There is now also mode "simple", which is for the simple version of the rat
249: #
250: #
251: if (!defined($mode) || ($mode ne 'edit' && $mode ne 'parmset')) {
252: my $location = "/adm/groupsort?&inhibitmenu=yes&catalogmode=import&";
253: $location .= "mode=".$mode."&";
254: $location .= "acts=";
255: $catalogmodefunctions=<<"END";
256: function select_data(url) {
257: changeURL(url);
258: self.close();
259: }
260: function select_group() {
261: window.location="$location"+document.forms.fileattr.acts.value;
262: }
263: function changeURL(val) {
264: if (opener.inf) {
265: if (opener.inf.document.forms.resinfo.elements.u) {
266: opener.inf.document.forms.resinfo.elements.u.value=val;
267: }
268: }
269: }
270: END
271: } elsif ($mode eq 'edit') { # we are in 'edit' mode
272: my $location = "/adm/groupsort?catalogmode=interactive&";
273: $location .= "form=$form&element=$element&mode=edit&acts=";
274: $catalogmodefunctions=<<END;
275: // mode = $mode
276: function select_data(url) {
277: var location = "/res/?launch=2&form=$form&element=$element&titleelement=$titleelement&acts=" + url;
278: window.location=location;
279: if (window.opener.document.forms["$form"].elements["$element"].value != url) {
280: window.opener.unClean();
281: }
282: }
283: function select_group() {
284: window.location="$location"+document.forms.fileattr.acts.value;
285: }
286:
287: function changeURL(val) {
288: if (window.opener.document) {
289: window.opener.document.forms["$form"].elements["$element"].value=val;
290: } else {
291: alert("The file you selected is: "+val);
292: }
293: }
294: END
295: if (!$titleelement) {
296: $catalogmodefunctions.='function changeTitle(val) {}';
297: } else {
298: $catalogmodefunctions.=<<END;
299: function changeTitle(val) {
300: if (window.opener.document) {
301: window.opener.document.forms["$form"].elements["$titleelement"].value=val;
302: } else {
303: alert("The title of the file you selected is: "+val);
304: }
305: }
306: END
307: }
308: } elsif ($mode eq 'parmset') {
309: my $location = "/adm/groupsort?catalogmode=interactive&";
310: $location .= "form=$form&element=$element&mode=parmset&acts=";
311: $catalogmodefunctions=<<END;
312: // mode = $mode
313: function select_data(url) {
314: changeURL(url);
315: self.close();
316: }
317:
318: function select_group() {
319: window.location="$location"+document.forms.fileattr.acts.value;
320: }
321:
322: function changeURL(val) {
323: if (window.opener.document) {
324: var elementname = "$element"+"_value";
325: var checkboxname = "$element"+"_setparmval";
326: window.opener.document.forms["$form"].elements[elementname].value=val;
327: window.opener.document.forms["$form"].elements[checkboxname].checked=true;
328: } else {
329: alert("The file you selected is: "+val);
330: }
331: }
332:
333: END
334: }
335: }
336: $catalogmodefunctions.=<<END;
337: var acts='';
338: function rep_dirpath(suffix,val) {
339: eval("document.forms.dirpath"+suffix+".acts.value=val");
340: }
341: END
342: if ($env{'form.catalogmode'} eq 'import') {
343: $catalogmodefunctions.=<<END;
344: function queue(val) {
345: if (eval("document.forms."+val+".filelink.checked")) {
346: var l=val.length;
347: var v=val.substring(4,l);
348: document.forms.fileattr.acts.value+='1a'+v+'b';
349: }
350: else {
351: var l=val.length;
352: var v=val.substring(4,l);
353: document.forms.fileattr.acts.value+='0a'+v+'b';
354: }
355: }
356: END
357: }
358:
359: my $inhibit_menu = "+'&".&Apache::loncommon::inhibit_menu_check()."'";
360: # ---------------------------------------------------------------- Print Header
361:
362: my $js = <<"ENDHEADER";
363: <script type="text/javascript">
364: $catalogmodefunctions;
365: function update_only(field) {
366: alert(field.name);
367: }
368: function checkAll() {
369: var numForms = document.forms.length;
370: for (i=0;i<numForms;i++) {
371: var numElements = document.forms[i].elements.length;
372: for (j=0;j<numElements;j++){
373: var fieldName = document.forms[i].elements[j].name;
374: if (fieldName == 'filelink') {
375: document.forms[i].elements[j].checked = true;
376: queue(document.forms[i].name);
377: }
378: }
379: }
380: }
381: function uncheckAll() {
382: var numForms = document.forms.length;
383: for (i=0;i<numForms;i++) {
384: var numElements = document.forms[i].elements.length;
385: for (j=0;j<numElements;j++){
386: var fieldName = document.forms[i].elements[j].name;
387: if (fieldName == 'filelink') {
388: document.forms[i].elements[j].checked = false;
389: queue(document.forms[i].name);
390: }
391: }
392: }
393: }
394: function openWindow(url, wdwName, w, h, toolbar,scrollbar,locationbar) {
395: var xpos = (screen.width-w)/2;
396: xpos = (xpos < 0) ? '0' : xpos;
397: var ypos = (screen.height-h)/2-30;
398: ypos = (ypos < 0) ? '0' : ypos;
399: var options = "width=" + w + ",height=" + h + ",screenx="+xpos+",screeny="+ypos+",";
400: options += "resizable=yes,scrollbars="+scrollbar+",status=no,";
401: options += "menubar=no,toolbar="+toolbar+",location="+locationbar+",directories=no";
402: var newWin = window.open(url, wdwName, options);
403: newWin.focus();
404: }
405: function gothere(val) {
406: window.location=val+'?acts='+document.forms.fileattr.acts.value$inhibit_menu;
407: }
408: </script>
409: ENDHEADER
410:
411: my ($headerdom)=($uri=~m{^/res/($match_domain)/});
412: $r->print(&Apache::loncommon::start_page('Content Library',$js,
413: {'domain' => $headerdom,}));
414: # ---------------------------------- get state of file types to be showing
415: if ($env{'form.only'}) {
416: $typeselect = $env{'form.only'};
417: } else {
418: $typeselect = '';
419: }
420:
421: # ---------------------------------- get state of file attributes to be showing
422: if ($env{'form.attrs'}) {
423: for (my $i=0; $i<=14; $i++) {
424: delete $hash{'display_attrs_'.$i};
425: if ($env{'form.attr'.$i} == 1) {
426: $attrchk[$i] = 'checked';
427: $hash{'display_attrs_'.$i} = 1;
428: }
429: }
430: } else {
431: for (my $i=0; $i<=14; $i++) {
432: $attrchk[$i] = 'checked' if $hash{'display_attrs_'.$i} == 1;
433: }
434: }
435:
436: # ------------------------------- output state of file attributes to be showing
437: # All versions has to the last item
438: # since it does not take an extra col
439: my %lt=&Apache::lonlocal::texthash(
440: 'ti' => 'Title',
441: 'si' => 'Size',
442: 'la' => 'Last access',
443: 'lm' => 'Last modified',
444: 'st' => 'Statistics',
445: 'au' => 'Author',
446: 'kw' => 'Keywords',
447: 'sb' => 'Subject',
448: 'nt' => 'Notes',
449: 'ab' => 'Abstract',
450: 'ln' => 'Language',
451: 'sa' => 'Source Available',
452: 'sr' => 'Show resource',
453: 'li' => 'Linked/Related Resources',
454: 'av' => 'All versions',
455: 'ud' => 'Update Display',
456: 'pr' => 'Problems',
457: 'gr' => 'Graphics',
458: 'at' => 'All types',
459: 'hd' => 'Display Options'
460: );
461: $r->print(<<END);
462: <fieldset>
463: <legend>$lt{'hd'}</legend>
464: <form method="post" name="fileattr" action="$uri"
465: enctype="application/x-www-form-urlencoded">
466: <label><input type="checkbox" name="attr9" value="1" $attrchk[9] onClick="this.form.submit();" /> $lt{'av'}</label>
467: <table border="0">
468: <tr>
469: <td><label><input type="checkbox" name="attr0" value="1" $attrchk[0] onClick="this.form.submit();" /> $lt{'ti'}</label></td>
470: <td><label><input type="checkbox" name="attr4" value="1" $attrchk[4] onClick="this.form.submit();" /> $lt{'au'}</label></td>
471: <td><label><input type="checkbox" name="attr5" value="1" $attrchk[5] onClick="this.form.submit();" /> $lt{'kw'}</label></td>
472: <td><label><input type="checkbox" name="attr6" value="1" $attrchk[6] onClick="this.form.submit();" /> $lt{'ln'}</label></td>
473: <td><label><input type="checkbox" name="attr13" value="1" $attrchk[13] onClick="this.form.submit();" /> $lt{'nt'}</label></td>
474: </tr>
475: <tr>
476: <td><label><input type="checkbox" name="attr1" value="1" $attrchk[1] onClick="this.form.submit();" /> $lt{'si'}</label></td>
477: <td><label><input type="checkbox" name="attr2" value="1" $attrchk[2] onClick="this.form.submit();" /> $lt{'la'}</label></td>
478: <td><label><input type="checkbox" name="attr3" value="1" $attrchk[3] onClick="this.form.submit();" /> $lt{'lm'}</label></td>
479: <td><label><input type="checkbox" name="attr10" value="1" $attrchk[10] onClick="this.form.submit();" /> $lt{'sa'}</label></td>
480: <td><label><input type="checkbox" name="attr14" value="1" $attrchk[14] onClick="this.form.submit();" /> $lt{'ab'}</label></td>
481: </tr>
482: <tr>
483: <td><label><input type="checkbox" name="attr8" value="1" $attrchk[8] onClick="this.form.submit();" /> $lt{'st'}</label></td>
484: <td><label><input type="checkbox" name="attr11" value="1" $attrchk[11] onClick="this.form.submit();" /> $lt{'li'}</label></td>
485: <td><label><input type="checkbox" name="attr7" value="1" $attrchk[7] onClick="this.form.submit();" /> $lt{'sr'}</label></td>
486: <td><label><input type="checkbox" name="attr12" value="1" $attrchk[12] onClick="this.form.submit();" /> $lt{'sb'}</label></td>
487: <td> </td>
488: </tr>
489: </table>
490: <input type="hidden" name="attrs" value="1" />
491: END
492: my @file_categories = &Apache::loncommon::filecategories();
493: my %select_file_categories;
494: my @select_form_order = ('');
495: $select_file_categories{''} = &mt('All file types');
496: foreach my $cat (@file_categories) {
497: my $types = join(",",&Apache::loncommon::filecategorytypes($cat));
498: $select_file_categories{$types} = $cat;
499: push(@select_form_order,$types);
500: }
501: $select_file_categories{'select_form_order'} = \@select_form_order;
502: my $type_element=
503: &Apache::loncommon::select_form($typeselect,'only',
504: %select_file_categories);
505: $type_element = '<label>'.&mt('File Type Displayed: [_1]',
506: $type_element).'</label>';
507: $r->print($type_element
508: .'</fieldset>');
509: $r->print(<<END);
510: <br />
511: <input type="submit" name="updatedisplay" value="$lt{'ud'}" />
512: <input type="hidden" name="acts" value="" />
513: $closebutton $groupimportbutton
514: END
515: $r->print(&Apache::loncommon::inhibit_menu_check('input'));
516:
517: # -------------- Filter out sequence containment in crumbs and "recent folders"
518: my $storeuri=$uri;
519: $storeuri='/'.(split(/\.(page|sequence)\/\//,$uri))[-1];
520: $storeuri=~s/\/+/\//g;
521: # ---------------------------------------------------------------- Bread crumbs
522: $r->print(&Apache::lonhtmlcommon::crumbs($storeuri,'','',
523: (($env{'form.catalogmode'} eq 'import')?
524: 'document.forms.fileattr':'')).
525: &Apache::lonhtmlcommon::select_recent('residx','resrecent',
526: 'window.status=this.form.resrecent.options[this.form.resrecent.selectedIndex].value;this.form.action=this.form.resrecent.options[this.form.resrecent.selectedIndex].value;this.form.submit();'));
527: # -------------------------------------------------------- Resource Home Button
528: my $reshome=$env{'course.'.$env{'request.course.id'}.'.reshome'};
529: if ($reshome) {
530: $r->print("<span class=\"LC_fontsize_large\"><a href='");
531: if ($env{'form.catalogmode'} eq 'import') {
532: $r->print('javascript:document.forms.fileattr.action="'.&Apache::loncommon::inhibit_menu_check($reshome).'";document.forms.fileattr.submit();');
533: } else {
534: $r->print($reshome);
535: }
536: $r->print("'>".&mt('Home').'</a></span>');
537: }
538: $r->print('</form>');
539: # ------------------------------------------------------ Remember where we were
540: &Apache::loncommon::storeresurl($storeuri);
541: &Apache::lonhtmlcommon::store_recent('residx',$storeuri,$storeuri);
542: # -------------------------------------------------- Check All and Uncheck all
543: if ($env{'form.catalogmode'} eq 'import') {
544: $r->print('<br /><input type="button" value="'.&mt("Check All").'" id="checkallbutton" onClick="javascript:checkAll()" />');
545: $r->print('<input type="button" value="'.&mt("Uncheck All").'" id="uncheckallbutton" onClick="javascript:uncheckAll()" />');
546: }
547: # ----------------- output starting row to the indexed file/directory hierarchy
548: #$r->print(&initdebug());
549: #$r->print(&writedebug("Omit:@Omit")) if (@Omit);
550: #$r->print(&writedebug("Only:@Only")) if (@Only);
551: $r->print('<br /><br />');
552: $r->print(&Apache::loncommon::start_data_table("LC_tableBrowseRes")
553: .&Apache::loncommon::start_data_table_header_row());
554: $r->print("<th $colspan>".&mt('Name')."</th>\n");
555: $r->print("<th>".&mt('Title')."</th>\n")
556: if ($hash{'display_attrs_0'} == 1);
557: $r->print('<th class="LC_right">'.&mt("Size")." (".&mt("bytes").") ".
558: "</th>\n") if ($hash{'display_attrs_1'} == 1);
559: $r->print("<th>".&mt("Last accessed")."</th>\n")
560: if ($hash{'display_attrs_2'} == 1);
561: $r->print("<th>".&mt("Last modified")."</th>\n")
562: if ($hash{'display_attrs_3'} == 1);
563: $r->print("<th>".&mt("Author(s)")."</th>\n")
564: if ($hash{'display_attrs_4'} == 1);
565: $r->print("<th>".&mt("Keywords")."</th>\n")
566: if ($hash{'display_attrs_5'} == 1);
567: $r->print("<th>".&mt("Language")."</th>\n")
568: if ($hash{'display_attrs_6'} == 1);
569: $r->print("<th>".&mt("Usage Statistics")." <br />(".
570: &mt("Courses/Network Hits").") ".&mt('updated periodically')."</th>\n")
571: if ($hash{'display_attrs_8'} == 1);
572: $r->print("<th>".&mt("Source Available")."</th>\n")
573: if ($hash{'display_attrs_10'} == 1);
574: $r->print("<th>".&mt("Linked/Related Resources")."</th>\n")
575: if ($hash{'display_attrs_11'} == 1);
576: $r->print("<th>".&mt("Resource")."</th>\n")
577: if ($hash{'display_attrs_7'} == 1);
578: $r->print("<th>".&mt("Subject")."</th>\n")
579: if ($hash{'display_attrs_12'} == 1);
580: $r->print("<th>".&mt("Notes")."</th>\n")
581: if ($hash{'display_attrs_13'} == 1);
582: $r->print("<th>".&mt("Abstract")."</th>\n")
583: if ($hash{'display_attrs_14'} == 1);
584:
585: $r->print(&Apache::loncommon::end_data_table_header_row());
586:
587:
588:
589: # ----------------- read in what directories have previously been set to "open"
590: foreach (keys %hash) {
591: if ($_ =~ /^diropen_status_/) {
592: my $key = $_;
593: $key =~ s/^diropen_status_//;
594: $dirs{$key} = $hash{$_};
595: }
596: }
597:
598: if ($env{'form.openuri'}) { # take care of review and refresh options
599: my $uri=$env{'form.openuri'};
600: if (exists($hash{'diropen_status_'.$uri})) {
601: my $cursta = $hash{'diropen_status_'.$uri};
602: $dirs{$uri} = 'open';
603: $hash{'diropen_status_'.$uri} = 'open';
604: if ($cursta eq 'open') {
605: $dirs{$uri} = 'closed';
606: $hash{'diropen_status_'.$uri} = 'closed';
607: }
608: } else {
609: $hash{'diropen_status_'.$uri} = 'open';
610: $dirs{$uri} = 'open';
611: }
612: }
613:
614: my $toplevel;
615: my $indent = 0;
616: $uri = $uri.'/' if $uri !~ /.*\/$/;
617:
618: if ($env{'form.dirPointer'} ne 'on') {
619: $hash{'top.level'} = $uri;
620: $toplevel = $uri;
621: } else {
622: $toplevel = $hash{'top.level'};
623: }
624:
625: # -------------------------------- if not at top level, provide an uplink arrow
626: if ($toplevel ne '/res/'){
627: my (@uri_com) = split(/\//,$uri);
628: pop @uri_com;
629: my $upone = join('/',@uri_com);
630: my @list = qw (0);
631: &display_line ($r,'opened',$upone.'&viewOneUp',0,$upone,@list);
632: $indent = 1;
633: }
634:
635: # -------- recursively go through all the directories and output as appropriate
636: &scanDir ($r,$toplevel,$indent,\%hash);
637:
638: # -------------------------------------------------------------- end the tables
639: $r->print(&Apache::loncommon::end_data_table());
640:
641: # ---------------------------- embed hidden information useful for group import
642: $r->print("<form name='fnum' action=''>");
643: $r->print("<input type='hidden' name='fnum' value='$fnum' /></form>");
644:
645: # --------------------------------------------------- end the output and return
646: $r->print(&Apache::loncommon::end_page()."\n");
647: }
648: if(! $c->aborted()) {
649: # write back into the temporary file
650: my %dbfile;
651: if (tie(%dbfile,'GDBM_File',$diropendb,&GDBM_NEWDB(),0640)) {
652: while (my($key,$value) = each(%hash)) {
653: $dbfile{$key}=$value;
654: }
655: untie(%dbfile);
656: }
657: }
658:
659: return OK;
660: }
661:
662: # ----------------------------------------------- recursive scan of a directory
663: sub scanDir {
664: my ($r,$startdir,$indent,$hashref)=@_;
665: my $c = $r->connection();
666: my ($compuri,$curdir);
667: my $dirptr=16384;
668: my $obs;
669: $indent++;
670: my %dupdirs = %dirs;
671: my @list=&get_list($r,$startdir);
672: foreach my $line (@list) {
673: return if ($c->aborted());
674: #This is a kludge, sorry aboot this
675: my ($strip,$dom,undef,$testdir,undef,undef,undef,undef,undef,undef,undef,undef,undef,undef,$obs,undef)=split(/\&/,$line,16);
676: next if($strip =~ /.*\.meta$/ | $obs eq '1');
677: my (@fileparts) = split(/\./,$strip);
678: if ($hash{'display_attrs_9'} != 1) {
679: # if not all versions to be shown
680: if (scalar(@fileparts) >= 3) {
681: my $fext = pop @fileparts;
682: my $ov = pop @fileparts;
683: my $fname = join ('.',@fileparts,$fext);
684: next if (grep /\Q$fname\E/,@list and $ov =~ /^\d+$/);
685: }
686: }
687:
688: if ($dom eq 'domain') {
689: # dom list has full path /res/<domain name>/ already
690: $curdir='';
691: $compuri = (split(/\&/,$line))[0];
692: } else {
693: # user, dir & file have name only, i.e., w/o path
694: $compuri = join('',$startdir,$strip,'/');
695: $curdir = $startdir;
696: }
697: my $diropen = 'closed';
698: if (($dirptr&$testdir) or ($dom =~ /^(domain|user)$/) or ($compuri=~/\.(sequence|page)\/$/)) {
699: while (my ($key,$val)= each %dupdirs) {
700: if ($key eq $compuri and $val eq "open") {
701: $diropen = "opened";
702: delete($dupdirs{$key});
703: delete($dirs{$key});
704: }
705: }
706: }
707: &display_line($r,$diropen,$line,$indent,$curdir,$hashref,@list);
708: &scanDir ($r,$compuri,$indent) if $diropen eq 'opened';
709: }
710: $indent--;
711: }
712:
713: # --------------- get complete matched list based on the uri (returns an array)
714: sub get_list {
715: my ($r,$uri)=@_;
716: my @list=();
717: (my $luri = $uri) =~ s/\//_/g;
718: if ($env{'form.updatedisplay'}) {
719: foreach (keys %hash) {
720: delete $hash{$_} if ($_ =~ /^dirlist_files_/);
721: delete $hash{$_} if ($_ =~ /^dirlist_timestamp_files_/);
722: }
723: }
724:
725: if (defined($hash{'dirlist_files_'.$luri}) &&
726: $hash{'dirlist_timestamp_files_'.$luri}+600 > (time)) {
727: @list = split(/\n/,$hash{'dirlist_files_'.$luri});
728: } elsif ($uri=~/\.(page|sequence)\/$/) {
729: # is a page or a sequence
730: $uri=~s/\/$//;
731: $uri='/'.(split(/\.(page|sequence)\/\//,$uri))[-1];
732: $uri=~s/\/+/\//g;
733: foreach (&Apache::lonsequence::attemptread(&Apache::lonnet::filelocation('',$uri))) {
734: my @ratpart=split(/\:/,$_);
735: push(@list,&LONCAPA::map::qtescape($ratpart[1]));
736: }
737: $hash{'dirlist_files_'.$luri} = join("\n",@list);
738: } else {
739: # is really a directory
740: @list = &Apache::lonnet::dirlist($uri);
741: $hash{'dirlist_files_'.$luri} = join("\n",@list);
742: $hash{'dirlist_timestamp_files_'.$luri} = time;
743: }
744: return @list=&match_ext($r,@list);
745: }
746:
747: sub dynmetaread {
748: my $uri=shift;
749: if (($hash{'display_attrs_8'}==1) || ($hash{'display_attrs_11'}==1)) {
750: # We don't want the filename
751: $uri=~s/\/[^\/]+$//;
752: # Did we already see this?
753: my $builddir=$uri;
754: while ($builddir) {
755: if ($dynread{$builddir}) {
756: return 0;
757: }
758: $builddir=~s/\/[^\/]+$//;
759: }
760: # Actually get the data
761: %dynhash=
762: (%dynhash,&Apache::lonmeta::get_dynamic_metadata_from_sql($uri.'/'));
763: # Remember that we got it
764: $dynread{$uri}=1;
765: }
766: }
767:
768: sub initdebug {
769: my $start_page=
770: &Apache::loncommon::start_page('Debug',undef,
771: {'only_body' => 1,});
772: $start_page =~ s/\n/ /g;
773: return <<ENDJS;
774: <script type="text/javascript">
775: var debugging = true;
776: if (debugging) {
777: var debuggingWindow = window.open('','Debug','width=400,height=300',true);
778: }
779:
780: function output(text) {
781: if (debugging) {
782: debuggingWindow.document.writeln(text);
783: }
784: }
785: output('$start_page<pre>');
786: </script>
787: ENDJS
788: }
789:
790: sub writedebug {
791: my ($text) = @_;
792: return "<script type=\"text/javascript\">output('$text');</script>";
793: }
794:
795: # -------------------- filters out files based on extensions (returns an array)
796: sub match_ext {
797: my ($r,@packlist)=@_;
798: my @trimlist;
799: my $nextline;
800: my @fileext;
801: my $dirptr=16384;
802:
803: foreach my $line (@packlist) {
804: chomp $line;
805: $line =~ s/^\/home\/httpd\/html//;
806: my @unpackline = split (/\&/,$line);
807: next if ($unpackline[0] eq '.');
808: next if ($unpackline[0] eq '..');
809: my @filecom = split (/\./,$unpackline[0]);
810: my $fext = pop(@filecom);
811: my $fnptr = ($unpackline[3]&$dirptr) || ($fext=~/\.(page|sequence)$/);
812: if ($fnptr == 0 and $unpackline[3] ne "") {
813: my $embstyle = &Apache::loncommon::fileembstyle($fext);
814: push @trimlist,$line if (defined($embstyle) &&
815: ($embstyle ne 'hdn' or $fext eq 'meta'));
816: } else {
817: push @trimlist,$line;
818: }
819: }
820: @trimlist = sort {uc($a) cmp uc($b)} (@trimlist);
821: return @trimlist;
822: }
823:
824: # ------------------------------- displays one line in appropriate table format
825: sub display_line {
826: my ($r,$diropen,$line,$indent,$startdir,$hashref,@list)=@_;
827: my (@pathfn, $fndir);
828: # there could be relative paths (files actually belonging into this directory)
829: # or absolute paths (for example, from sequences)
830: my $absolute;
831: my $pathprefix;
832: if ($line=~m|^/res/| && $startdir ne '') {
833: $absolute=1;
834: $pathprefix='';
835: } else {
836: $absolute=0;
837: $pathprefix=$startdir;
838: }
839: my $dirptr=16384;
840: #SB my $fileclr="#ffffe6";
841: my $iconpath= $r->dir_config('lonIconsURL') . '/';
842:
843: my @filecom = split (/\&/,$line);
844: my @pathcom = split (/\//,$filecom[0]);
845: my $listname = $pathcom[scalar(@pathcom)-1];
846: my $fnptr = $filecom[3]&$dirptr;
847: my $msg = &mt('View').' '.$filecom[0].' '.&mt('resources');
848: $msg = &mt('Close').' '.$filecom[0].' '.&mt('directory') if $diropen eq 'opened';
849: my $nowOpen = ($diropen eq 'opened' ? 1 : 0);
850:
851: my $tabtag='</td>';
852: my $i=0;
853: while ($i<=14) {
854: $tabtag=join('',$tabtag,"<td> </td>")
855: if ($i != 9 &&
856: $hash{'display_attrs_'.$i} == 1);
857: $i++;
858: }
859: my $valign = ($hash{'display_attrs_7'} == 1 ? 'top' : 'bottom');
860:
861: # display uplink arrow
862: if ($filecom[1] eq 'viewOneUp') {
863: my $updir=$startdir;
864: # -------------- Filter out sequence containment in crumbs and "recent folders"
865: $updir='/'.(split(/\.(page|sequence)\/\//,$startdir))[-1];
866: $updir=~s/\/+/\//g;
867:
868: #SB $r->print("<tr valign='$valign' bgcolor=\"$fileclr\">$extrafield");
869: $r->print(&Apache::loncommon::start_data_table_row()); # valign="$valign" ?!?
870: $r->print($extrafield);
871: $r->print("<td>\n");
872: $r->print ('<form method="post" name="dirpathUP" action="'.$updir.
873: '/" '.
874: 'onSubmit="return rep_dirpath(\'UP\','.
875: 'document.forms.fileattr.acts.value)" '.
876: 'enctype="application/x-www-form-urlencoded"'.
877: '>'."\n");
878: $r->print(&Apache::loncommon::inhibit_menu_check('input'));
879: $r->print ('<input type=hidden name=openuri value="'.
880: $startdir.'" />'."\n");
881: $r->print ('<input type="hidden" name="acts" value="" />'."\n");
882: $r->print ('<a href="#" onClick="document.dirpathUP.submit()"><img src="'.$iconpath.'arrow.up.gif"');
883: $r->print (' name="'.$msg.'" type="image" class="LC_fileicon" />'.
884: "\n");
885: $r->print(&mt("Up")."</a></form>$tabtag");
886: $r->print(&Apache::loncommon::end_data_table_row());
887: return OK;
888: }
889: # Do we have permission to look at this?
890:
891: if($filecom[15] ne '1') { return OK if (!&Apache::lonnet::allowed('bre',$pathprefix.$filecom[0])); }
892:
893: # make absolute links appear on different background
894: #SB if ($absolute) { $fileclr='#ccdd99'; }
895:
896: # display domain
897: if ($filecom[1] eq 'domain') {
898: $r->print ('<input type="hidden" name="dirPointer" value="on" />'."\n")
899: if ($env{'form.dirPointer'} eq "on");
900: #SB $r->print("<tr valign='$valign' bgcolor=\"$fileclr\">$extrafield");
901: $r->print(&Apache::loncommon::start_data_table_row()); # valign="$valign" ?!?"
902: $r->print($extrafield);
903: $r->print("<td>");
904: &begin_form ($r,$filecom[0]);
905: my $anchor = $filecom[0];
906: $anchor =~ s/\W//g;
907: $r->print ('<a name="'.$anchor.'"></a>');
908: $r->print ('<input type="hidden" name="acts" value="" />');
909: $r->print ('<a href="#" onClick="document.dirpath'.($dnum-1).'.submit()"><img src="'.$iconpath.'arrow.'.($nowOpen ? "open" : "closed" ).'.gif"');
910: $r->print (' name="'.$msg.'" type="image" class="LC_fileicon" /></a>'.
911: "\n");
912: my $quotable_filecom = &Apache::loncommon::escape_single($filecom[0]);
913: $r->print ('<a href="javascript:gothere(\''.$quotable_filecom.
914: '\')"><img alt="" src="'.$iconpath.'server.gif"');
915: $r->print (' class="LC_fileicon" />'."\n");
916: $r->print (&mt("Domain")." - $listname </a>");
917: if (&Apache::lonnet::domain($listname,'description')) {
918: $r->print("<br />(".&Apache::lonnet::domain($listname,'description').
919: ")");
920: }
921: $r->print("</form>$tabtag");
922: $r->print(&Apache::loncommon::end_data_table_row());
923: return OK;
924:
925: # display user directory
926: }
927: if ($filecom[1] eq 'user') {
928: # $r->print("<tr valign=$valign bgcolor=\"$fileclr\">$extrafield");
929: my $curdir = $startdir.$filecom[0].'/';
930: my $anchor = $curdir;
931: $anchor =~ s/\W//g;
932: #SB $r->print("<tr bgcolor=\"$fileclr\">$extrafield<td valign=$valign>");
933: $r->print(&Apache::loncommon::start_data_table_row()
934: .$extrafield.'<td class="LC_'.$valign.'">');
935: &begin_form ($r,$curdir);
936: $r->print ('<a name="'.$anchor.'"></a><img alt="" src="'.$iconpath.
937: 'whitespace_21.gif" class="LC_icon" />'."\n");
938: $r->print ('<input type="hidden" name="acts" value="" />');
939: $r->print ('<a href="#" onClick="document.dirpath'.($dnum-1).'.submit()">');
940: $r->print ('<img src="'.$iconpath.'arrow.'.($nowOpen ? "open" : "closed" ).
941: '.gif" class="LC_fileicon"');
942: $r->print (' name="'.$msg.'"/></a>'.
943: "\n");
944: my $quotable_curdir = &Apache::loncommon::escape_single($curdir);
945: $r->print ('<a href="javascript:gothere(\''.$quotable_curdir
946: .'\')"><img alt="'.$msg.'" src="'.
947: $iconpath.'quill.gif" class="LC_fileicon" />');
948: my $domain=(split(m|/|,$startdir))[2];
949: my $plainname=&Apache::loncommon::plainname($listname,$domain);
950: $r->print ($listname.'</a>');
951:
952: if (defined($plainname) && $plainname) { $r->print(" ($plainname) "); }
953: $r->print('</form>'.$tabtag);
954: $r->print(&Apache::loncommon::end_data_table_row());
955: return OK;
956: }
957:
958: # display file
959: if (($fnptr == 0 and $filecom[3] ne '') or $absolute) {
960: my $title;
961: my $filelink = $pathprefix.$filecom[0];
962: if ($hash{'display_attrs_0'} == 1) {
963: $title = &Apache::lonnet::gettitle($filelink);
964: }
965: my @file_ext = split (/\./,$listname);
966: my $curfext = $file_ext[-1];
967: if (@Omit) {
968: foreach (@Omit) { return OK if (lc($curfext) eq $_); }
969: }
970: if (@Only) {
971: my $skip = 1;
972: foreach (@Only) { $skip = 0 if (lc($curfext) eq $_); }
973: return OK if ($skip > 0);
974: }
975: # Set the icon for the file
976: my $iconname = &Apache::loncommon::icon($listname);
977: #SB $r->print("<tr valign='$valign' bgcolor=\"$fileclr\">);
978: $r->print(&Apache::loncommon::start_data_table_row()); #SB valign="$valign" ?!?
979: $r->print('<td class="LC_middle LC_nobreak">');
980:
981: if ($env{'form.catalogmode'} eq 'interactive') {
982: my $quotable_filelink = &Apache::loncommon::escape_single($filelink);
983: $r->print("<a href=\"javascript:select_data(\'",
984: $quotable_filelink,"')\">");
985: $r->print("<img alt=\"\" src='",$iconpath,"select.gif' class='LC_icon' /></a>".
986: "\n");
987: $r->print('</td><td class="LC_middle"><span class="LC_nobreak">');
988: } elsif ($env{'form.catalogmode'} eq 'import') {
989: $r->print("<form name='form$fnum' action=''>\n");
990: $r->print("<input type='checkbox' name='filelink"."' ".
991: "value='$filelink' onClick='".
992: "javascript:queue(\"form$fnum\")' ");
993: if ($hash{'store_'.$filelink}) {
994: $r->print("checked");
995: }
996: $r->print(" />\n");
997: $r->print('</form></td><td class="LC_middle"><span class="LC_nobreak">');
998: $hash{"pre_${fnum}_link"}=$filelink;
999: $hash{"pre_${fnum}_title"}=$title;
1000: if (!$hash{"pre_${fnum}_title"}) {
1001: $hash{"pre_${fnum}_title"} = 'Not_retrieved';
1002: }
1003: $fnum++;
1004: }
1005: # Form to open or close sequences
1006: if ($filelink=~/\.(page|sequence)$/) {
1007: my $curdir = $startdir.$filecom[0].'/';
1008: &begin_form($r,$curdir);
1009: $indent--;
1010: }
1011: # General indentation
1012: my $count = 0;
1013: while ($count < $indent) {
1014: $r->print("<img alt=\"\" src=".$iconpath.
1015: "whitespace_21.gif class='LC_icon' />\n");
1016: $count++;
1017: }
1018: # Sequence open/close icon
1019: if ($filelink=~/\.(page|sequence)$/) {
1020: my $curdir = $startdir.$filecom[0].'/';
1021: my $anchor = $curdir;
1022: $anchor =~ s/\W//g;
1023: $r->print ('<input type="hidden" name="acts" value="" />');
1024: $r->print ('<a name="'.$anchor.'"></a>');
1025: $r->print ('<a href="#" onClick="document.dirpath'.($dnum-1).'.submit()">');
1026: $r->print ('<img src="'.$iconpath.'arrow.'.($nowOpen ? "open" : "closed" ).
1027: '.gif" class="LC_fileicon"');
1028: $r->print (' name="'.$msg.'" type="image" class="LC_fileicon" /></a>'.
1029: "\n");
1030: }
1031: # Filetype icons
1032: $r->print("<img alt=\"\" src='$iconname' class='LC_fileicon' />\n");
1033: my $quotable_filelink = &Apache::loncommon::escape_single($filelink);
1034:
1035: $r->print (" <a href=\"javascript:openWindow('".$quotable_filelink.
1036: "?inhibitmenu=yes','previewfile','450','500','no','yes','yes');\"".
1037: " target=\"_self\">$listname</a> ");
1038: $quotable_filelink = &Apache::loncommon::escape_single($filelink.'.meta');
1039: &Apache::loncommon::inhibit_menu_check(\$quotable_filelink);
1040: $r->print (" (<a href=\"javascript:openWindow('".$quotable_filelink.
1041: "?inhibitmenu=yes','metadatafile','500','550','no','yes','no');\" ".
1042: " target=\"_self\">".&mt('metadata')."</a>) ");
1043: # Close form to open/close sequence
1044: if ($filelink=~/\.(page|sequence)$/) {
1045: $r->print('</form>');
1046: }
1047: $r->print("</span></td>\n");
1048: if ($hash{'display_attrs_0'} == 1) {
1049: $r->print('<td> '.($title eq '' ? ' ' : $title).
1050: ' </td>'."\n");
1051: }
1052: $r->print('<td class="LC_right"> ',
1053: $filecom[8]," </td>\n")
1054: if $hash{'display_attrs_1'} == 1;
1055: $r->print('<td class="LC_nobreak"> '.
1056: (&Apache::lonlocal::locallocaltime($filecom[9]))." </td>\n")
1057: if $hash{'display_attrs_2'} == 1;
1058: $r->print('<td class="LC_nobreak"> '.
1059: (&Apache::lonlocal::locallocaltime($filecom[10]))." </td>\n")
1060: if $hash{'display_attrs_3'} == 1;
1061:
1062: if ($hash{'display_attrs_4'} == 1) {
1063: my $author = &Apache::lonnet::metadata($filelink,'author');
1064: $r->print('<td class="LC_nobreak"> '.($author eq '' ? ' ' : $author).
1065: " </td>\n");
1066: }
1067: if ($hash{'display_attrs_5'} == 1) {
1068: my $keywords = &Apache::lonnet::metadata($filelink,'keywords');
1069: # $keywords = ' ' if (!$keywords);
1070: $r->print('<td> '.($keywords eq '' ? ' ' : $keywords).
1071: " </td>\n");
1072: }
1073:
1074: if ($hash{'display_attrs_6'} == 1) {
1075: my $lang = &Apache::lonnet::metadata($filelink,'language');
1076: $lang = &Apache::loncommon::languagedescription($lang);
1077: $r->print('<td> '.($lang eq '' ? ' ' : $lang).
1078: " </td>\n");
1079: }
1080: if ($hash{'display_attrs_8'} == 1) {
1081: # statistics
1082: &dynmetaread($filelink);
1083: $r->print("<td>");
1084: &dynmetaprint($r,$filelink,'count');
1085: &dynmetaprint($r,$filelink,'course');
1086: &dynmetaprint($r,$filelink,'stdno');
1087: &dynmetaprint($r,$filelink,'avetries');
1088: &dynmetaprint($r,$filelink,'difficulty');
1089: &dynmetaprint($r,$filelink,'disc');
1090: &dynmetaprint($r,$filelink,'clear');
1091: &dynmetaprint($r,$filelink,'technical');
1092: &dynmetaprint($r,$filelink,'correct');
1093: &dynmetaprint($r,$filelink,'helpful');
1094: &dynmetaprint($r,$filelink,'depth');
1095: $r->print(" </td>\n");
1096:
1097: }
1098: if ($hash{'display_attrs_10'} == 1) {
1099: my $source = &Apache::lonnet::metadata($filelink,'sourceavail');
1100: if($source eq 'open') {
1101: my $sourcelink = &Apache::lonsource::make_link($filelink,$listname);
1102: my $quotable_sourcelink = &Apache::loncommon::escape_single($sourcelink);
1103: &Apache::loncommon::inhibit_menu_check(\$quotable_sourcelink);
1104: $r->print('<td>'."<a href=\"javascript:openWindow('"
1105: .$quotable_sourcelink.
1106: "', 'previewsource', '700', '700', 'no', 'yes','yes');\"".
1107: " target=\"_self\">".&mt('Source Code')."</a> "."</td>\n");
1108: } else { #A cuddled else. :P
1109: $r->print("<td> </td>\n");
1110: }
1111: }
1112: if ($hash{'display_attrs_11'} == 1) {
1113: # links
1114: &dynmetaread($filelink);
1115: $r->print('<td>');
1116: &coursecontext($r,$filelink);
1117: &dynmetaprint($r,$filelink,'goto_list');
1118: &dynmetaprint($r,$filelink,'comefrom_list');
1119: &dynmetaprint($r,$filelink,'sequsage_list');
1120: &dynmetaprint($r,$filelink,'dependencies');
1121: &dynmetaprint($r,$filelink,'course_list');
1122: $r->print('</td>');
1123: }
1124:
1125:
1126:
1127: if ($hash{'display_attrs_7'} == 1) {
1128: # Show resource
1129: my $output=&showpreview($filelink);
1130: $r->print('<td> '.($output eq '' ? ' ':$output).
1131: " </td>\n");
1132: }
1133:
1134: if ($hash{'display_attrs_12'} == 1) {
1135: my $subject = &Apache::lonnet::metadata($filelink,'subject');
1136: $r->print('<td> '.($subject eq '' ? ' ' : $subject).
1137: " </td>\n");
1138: }
1139:
1140: if ($hash{'display_attrs_13'} == 1) {
1141: my $notes = &Apache::lonnet::metadata($filelink,'notes');
1142: $r->print('<td> '.($notes eq '' ? ' ' : $notes).
1143: " </td>\n");
1144: }
1145:
1146: if ($hash{'display_attrs_14'} == 1) {
1147: my $abstract = &Apache::lonnet::metadata($filelink,'abstract');
1148: $r->print('<td> '.($abstract eq '' ? ' ' : $abstract).
1149: " </td>\n");
1150: }
1151:
1152: $r->print(&Apache::loncommon::end_data_table_row());
1153: }
1154:
1155:
1156:
1157: # -- display directory
1158: if ($fnptr == $dirptr) {
1159: my $curdir = $startdir.$filecom[0].'/';
1160: my $anchor = $curdir;
1161: $anchor =~ s/\W//g;
1162: #SB $r->print("<tr bgcolor=\"$fileclr\">$extrafield<td valign=$valign>");
1163: $r->print(&Apache::loncommon::start_data_table_row()); # SB: bgcolor suggestion: darkgrey ("LC_info_row"?!?)
1164: # $r->print('<tr class="LC_info_row">');
1165: $r->print($extrafield.'<td class="LC_middle LC_nobreak">');
1166: &begin_form ($r,$curdir);
1167: my $indentm1 = $indent-1;
1168: my $count = 0;
1169: while ($count < $indentm1) {
1170: $r->print ("<img alt=\"\" src=",$iconpath
1171: ,"whitespace_21.gif class='LC_icon' />\n");
1172: $count++;
1173: }
1174: $r->print ('<input type="hidden" name="acts" value="" />');
1175: $r->print ('<a name="'.$anchor.'"></a>');
1176: $r->print ('<a href="#" onClick="document.dirpath'.($dnum-1).'.submit()"><img src="'.$iconpath.
1177: 'arrow.'.($nowOpen ? "open" : "closed" ).'.gif"');
1178: $r->print (' name="'.$msg.'" class="LC_fileicon" /></a>'.
1179: "\n");
1180: my $quotable_curdir = &Apache::loncommon::escape_single($curdir);
1181:
1182: my $location = &Apache::loncommon::lonhttpdurl("/adm/lonIcons");
1183: my $icon = "navmap.folder.".($nowOpen ? "open":"closed").'.gif';
1184: $r->print ('<a href="javascript:gothere(\''
1185: .$quotable_curdir.'\')"">'
1186: .'<img class="LC_fileicon" alt="'.&mt('Open Folder').'" src="'.
1187: $location."/".$icon.'" />'.
1188: "\n");
1189: $r->print ("$listname</a></form></td>\n");
1190: # Attributes
1191: my $filelink = $startdir.$filecom[0].'/default';
1192:
1193: if ($hash{'display_attrs_0'} == 1) {
1194: my $title = &Apache::lonnet::gettitle($filelink);
1195: $r->print('<td> '.($title eq '' ? ' ' : $title).
1196: ' </td>'."\n");
1197: }
1198: $r->print('<td class="LC_right"> ',
1199: $filecom[8]," </td>\n")
1200: if $hash{'display_attrs_1'} == 1;
1201: $r->print('<td class="LC_break"> '.
1202: (&Apache::lonlocal::locallocaltime($filecom[9]))." </td>\n")
1203: if $hash{'display_attrs_2'} == 1;
1204: $r->print('<td class="LC_break"> '.
1205: (&Apache::lonlocal::locallocaltime($filecom[10]))." </td>\n")
1206: if $hash{'display_attrs_3'} == 1;
1207:
1208: if ($hash{'display_attrs_4'} == 1) {
1209: my $author = &Apache::lonnet::metadata($filelink,'author');
1210: $r->print('<td> '.($author eq '' ? ' ' : $author).
1211: " </td>\n");
1212: }
1213: if ($hash{'display_attrs_5'} == 1) {
1214: my $keywords = &Apache::lonnet::metadata($filelink,'keywords');
1215: # $keywords = ' ' if (!$keywords);
1216: $r->print('<td> '.($keywords eq '' ? ' ' : $keywords).
1217: " </td>\n");
1218: }
1219: if ($hash{'display_attrs_6'} == 1) {
1220: my $lang = &Apache::lonnet::metadata($filelink,'language');
1221: $lang = &Apache::loncommon::languagedescription($lang);
1222: $r->print('<td> '.($lang eq '' ? ' ' : $lang).
1223: " </td>\n");
1224: }
1225:
1226: if ($hash{'display_attrs_8'} == 1) {
1227: $r->print('<td> </td>');
1228: }
1229: if ($hash{'display_attrs_10'} == 1) {
1230: $r->print('<td> </td>');
1231: }
1232: if ($hash{'display_attrs_7'} == 1) {
1233: $r->print('<td> </td>');
1234: }
1235: if ($hash{'display_attrs_11'} == 1) {
1236: $r->print('<td> </td>');
1237: }
1238: if ($hash{'display_attrs_12'} == 1) {
1239: my $subject = &Apache::lonnet::metadata($filelink,'subject');
1240: $r->print('<td> '.($subject eq '' ? ' ' : $subject).
1241: " </td>\n");
1242: }
1243: if ($hash{'display_attrs_13'} == 1) {
1244: my $notes = &Apache::lonnet::metadata($filelink,'notes');
1245: $r->print('<td> '.($notes eq '' ? ' ' : $notes).
1246: " </td>\n");
1247: }
1248:
1249: if ($hash{'display_attrs_14'} == 1) {
1250: my $abstract = &Apache::lonnet::metadata($filelink,'abstract');
1251: $r->print('<td> '.($abstract eq '' ? ' ' : $abstract).
1252: " </td>\n");
1253: }
1254:
1255: $r->print(&Apache::loncommon::end_data_table_row());
1256: }
1257:
1258: }
1259:
1260: sub coursecontext {
1261: my ($r,$filelink)=@_;
1262: my $filesymb=&Apache::lonnet::symbread($filelink);
1263: if ($filesymb) {
1264: my ($map,$index,$resource)=&Apache::lonnet::decode_symb($filesymb);
1265: $r->print(&mt('Already in this course:<br />[_1] in folder/map [_2].<br />',
1266: &Apache::lonnet::gettitle($resource),
1267: &Apache::lonnet::gettitle($map)));
1268: }
1269: }
1270:
1271: sub showpreview {
1272: my ($filelink)=@_;
1273: if ($filelink=~m-^(/ext/|http://)-) {
1274: return &mt('External Resource, preview not enabled');
1275: }
1276: my ($curfext)=($filelink=~/\.(\w+)$/);
1277: my $output='';
1278: my $embstyle=&Apache::loncommon::fileembstyle($curfext);
1279: if ($embstyle eq 'ssi') {
1280: my $cache=$Apache::lonnet::perlvar{'lonDocRoot'}.$filelink.
1281: '.tmp';
1282: if ((!$env{'form.updatedisplay'}) &&
1283: (-e $cache)) {
1284: open(FH,$cache);
1285: $output=join("\n",<FH>);
1286: close(FH);
1287: } else {
1288: # In update display mode, remove old cache. This is done to retroactively
1289: # clean up course context renderings.
1290: if (-e $cache) {
1291: unlink($cache);
1292: }
1293: $output=&Apache::lonnet::ssi_body($filelink);
1294: # Is access denied? Don't render, don't store
1295: if ($output=~/LONCAPAACCESSCONTROLERRORSCREEN/s) {
1296: $output='';
1297: # Was this rendered in course content? Don't store
1298: } elsif (!&Apache::lonnet::symbread($filelink)) {
1299: open(FH,">$cache");
1300: print FH $output;
1301: close(FH);
1302: }
1303: }
1304: $output='<span class="LC_fontsize_medium">'.$output.'</span>';
1305: } elsif ($embstyle eq 'img') {
1306: $output='<img alt="'.&mt('Preview').'" src="'.$filelink.'" />';
1307: } elsif ($filelink=~m{^/res/($match_domain)/($match_username)/}) {
1308: $output='<img alt="'.&mt('Preview').'" src="http://'.
1309: &Apache::lonnet::hostname(&Apache::lonnet::homeserver($2,$1)).
1310: '/cgi-bin/thumbnail.gif?url='.$filelink.'" />';
1311: }
1312: return $output;
1313: }
1314:
1315: sub dynmetaprint {
1316: my ($r,$filelink,$item)=@_;
1317: if ($dynhash{$filelink}->{$item}) {
1318: $r->print("\n<br />".$fieldnames{$item}.': '.
1319: &Apache::lonmeta::prettyprint($item,
1320: $dynhash{$filelink}->{$item},
1321: (($env{'form.catalogmode'} ne 'import')?'preview':''),
1322: '',
1323: (($env{'form.catalogmode'} eq 'import')?'document.forms.fileattr':''),1));
1324: }
1325: }
1326:
1327: # ------------------- prints the beginning of a form for directory or file link
1328: sub begin_form {
1329: my ($r,$uri) = @_;
1330: my $anchor = $uri;
1331: $anchor =~ s/\W//g;
1332: $uri=&Apache::loncommon::escape_single($uri);
1333: $r->print ('<form method="post" name="dirpath'.$dnum.'" action="'.$uri.
1334: '#'.$anchor.
1335: '" onSubmit="return rep_dirpath(\''.$dnum.'\''.
1336: ',document.forms.fileattr.acts.value)" '.
1337: 'enctype="application/x-www-form-urlencoded">'."\n");
1338: $r->print ('<input type="hidden" name="openuri" value="'.$uri.'" />'.
1339: "\n");
1340: $r->print ('<input type="hidden" name="dirPointer" value="on" />'."\n");
1341: $r->print(&Apache::loncommon::inhibit_menu_check('input'));
1342: $dnum++;
1343: }
1344:
1345: # --------- settings whenever the user causes the indexer window to be launched
1346: sub start_fresh_session {
1347: my ($hash) = @_;
1348: delete $hash->{'form.catalogmode'};
1349: delete $hash->{'form.mode'};
1350: delete $hash->{'form.form'};
1351: delete $hash->{'form.element'};
1352: delete $hash->{'form.omit'};
1353: delete $hash->{'form.only'};
1354: foreach (keys %{$hash}) {
1355: delete $hash->{$_} if (/^(pre_|store)/);
1356: }
1357: }
1358:
1359: # ------------------------------------------------------------------- setvalues
1360: sub setvalues {
1361: # setvalues is used in registerurl to synchronize the database
1362: # hash and environment hashes
1363: my ($H1,$h1key,$H2,$h2key) =@_;
1364: #
1365: if (exists $H2->{$h2key}) {
1366: $H1->{$h1key} = $H2->{$h2key};
1367: } elsif (exists $H1->{$h1key}) {
1368: $H2->{$h2key} = $H1->{$h1key};
1369: }
1370: }
1371:
1372: 1;
1373:
1374: sub cleanup {
1375: if (tied(%hash)){
1376: &Apache::lonnet::logthis('Cleanup indexer: hash');
1377: }
1378: return OK;
1379: }
1380:
1381:
1382:
1383:
1384:
1385: =head1 NAME
1386:
1387: Apache::lonindexer - mod_perl module for cross server filesystem browsing
1388:
1389: =head1 SYNOPSIS
1390:
1391: Invoked by /etc/httpd/conf/srm.conf:
1392:
1393: <LocationMatch "^/res.*/$">
1394: SetHandler perl-script
1395: PerlHandler Apache::lonindexer
1396: </LocationMatch>
1397:
1398: =head1 INTRODUCTION
1399:
1400: This module enables a scheme of browsing across a cross server.
1401:
1402: This is part of the LearningOnline Network with CAPA project
1403: described at http://www.lon-capa.org.
1404:
1405: =head1 BEGIN SUBROUTINE
1406:
1407: This routine is only run once after compilation.
1408:
1409: =over 4
1410:
1411: =item *
1412:
1413: Initializes %language hash table.
1414:
1415: =back
1416:
1417: =head1 HANDLER SUBROUTINE
1418:
1419: This routine is called by Apache and mod_perl.
1420:
1421: =over 4
1422:
1423: =item *
1424:
1425: read in machine configuration variables
1426:
1427: =item *
1428:
1429: see if called from an interactive mode
1430:
1431: =item *
1432:
1433: refresh environment with user database values (in %hash)
1434:
1435: =item *
1436:
1437: define extra fields and buttons in case of special mode
1438:
1439: =item *
1440:
1441: set catalogmodefunctions to have extra needed javascript functionality
1442:
1443: =item *
1444:
1445: print header
1446:
1447: =item *
1448:
1449: evaluate actions from previous page (both cumulatively and chronologically)
1450:
1451: =item *
1452:
1453: output title
1454:
1455: =item *
1456:
1457: get state of file attributes to be showing
1458:
1459: =item *
1460:
1461: output state of file attributes to be showing
1462:
1463: =item *
1464:
1465: output starting row to the indexed file/directory hierarchy
1466:
1467: =item *
1468:
1469: read in what directories have previously been set to "open"
1470:
1471: =item *
1472:
1473: if not at top level, provide an uplink arrow
1474:
1475: =item *
1476:
1477: recursively go through all the directories and output as appropriate
1478:
1479: =item *
1480:
1481: information useful for group import
1482:
1483: =item *
1484:
1485: end the tables
1486:
1487: =item *
1488:
1489: end the output and return
1490:
1491: =back
1492:
1493: =head1 OTHER SUBROUTINES
1494:
1495: =over 4
1496:
1497: =item *
1498:
1499: scanDir - recursive scan of a directory
1500:
1501: =item *
1502:
1503: get_list - get complete matched list based on the uri (returns an array)
1504:
1505: =item *
1506:
1507: match_ext - filters out files based on extensions (returns an array)
1508:
1509: =item *
1510:
1511: display_line - displays one line in appropriate table format
1512:
1513: =item *
1514:
1515: begin_form - prints the beginning of a form for directory or file link
1516:
1517: =item *
1518:
1519: start_fresh_session - settings whenever the user causes the indexer window
1520: to be launched
1521:
1522: =back
1523:
1524: =cut
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>
![[BACK]](/icons/back.gif){kind=icon}
Return to lonindexer.pm CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [LON-CAPA] / loncom / interface