1: # The LearningOnline Network with CAPA
2: # Construction Space Directory Lister
3: #
4: # $Id: lonpubdir.pm,v 1.64 2004/10/29 18:40:40 raeburn 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: package Apache::lonpubdir;
31:
32: use strict;
33: use Apache::File;
34: use File::Copy;
35: use Apache::Constants qw(:common :http :methods);
36: use Apache::loncacc;
37: use Apache::loncommon();
38: use Apache::lonhtmlcommon();
39: use Apache::lonlocal;
40: use Apache::lonmsg;
41: use Apache::lonmenu;
42: use Apache::lonnet;
43:
44: sub handler {
45:
46: my $r=shift;
47:
48: my $fn;
49:
50:
51:
52: $fn = getEffectiveUrl($r);
53:
54: # Validate access to the construction space and get username@domain.
55:
56: my $uname;
57: my $udom;
58:
59: ($uname,$udom)=
60: &Apache::loncacc::constructaccess(
61: $fn,$r->dir_config('lonDefDomain'));
62: unless (($uname) && ($udom)) {
63: $r->log_reason($uname.' at '.$udom.
64: ' trying to list directory '.$ENV{'form.filename'}.
65: ' ('.$fn.') - not authorized',
66: $r->filename);
67: return HTTP_NOT_ACCEPTABLE;
68: }
69:
70: # Remove trailing / from directory name.
71:
72: $fn=~s/\/$//;
73:
74: unless ($fn) {
75: $r->log_reason($ENV{'user.name'}.' at '.$ENV{'user.domain'}.
76: ' trying to list empty directory', $r->filename);
77: return HTTP_NOT_FOUND;
78: }
79:
80: # ----------------------------------------------------------- Start page output
81:
82: my $thisdisfn=$fn;
83: $thisdisfn=~s/^\/home\/$uname\/public_html//; # subdirectory part of
84: # construction space.
85: my $docroot=$r->dir_config('lonDocRoot'); # Apache londocument root.
86:
87: my $resdir=$docroot.'/res/'.$udom.'/'.$uname.$thisdisfn; # Resource directory
88: my $targetdir=$udom.'/'.$uname.$thisdisfn; # Publiction target directory.
89: my $linkdir='/priv/'.$uname.$thisdisfn; # Full URL name of constr space.
90:
91: my %bombs=&Apache::lonmsg::all_url_author_res_msg($uname,$udom);
92:
93: &startpage($r, $uname, $udom, $thisdisfn); # Put out the start of page.
94:
95: &dircontrols($r,$uname,$udom,$thisdisfn); # Put out actions for directory,
96: # browse/upload + new file page.
97:
98: &resourceactions($r,$uname,$udom,$thisdisfn); #Put out form used for printing/deletion etc.
99:
100: my $numdir = 0;
101: my $numres = 0;
102:
103: # Start off the directory table.
104: $r->print('<h3>Directory Contents:</h3>');
105: $r->print('<table border="0" cellspacing="2" cellpadding="2"><tr>'.
106: '<th bgcolor="#DDDDDD">'.&mt('Type').'</th>'.
107: '<th bgcolor="#DDDDDD">'.&mt('Actions').'</th>'.
108: '<th bgcolor="#DDDDDD">'.&mt('Name').'</th>'.
109: '<th bgcolor="#DDDDDD">'.&mt('Title').'</th>'.
110: '<th bgcolor="#DDDDDD">'.&mt('Status').'</th>'.
111: '<th bgcolor="#DDDDDD">'.&mt('Last Modified').
112: '</th></tr>');
113:
114: my $filename;
115: my $dirptr=16384; # Mask indicating a directory in stat.cmode.
116:
117: opendir(DIR,$fn);
118: my @files=sort {uc($a) cmp uc($b)} (readdir(DIR));
119: foreach my $filename (@files) {
120: my ($cdev,$cino,$cmode,$cnlink,
121: $cuid,$cgid,$crdev,$csize,
122: $catime,$cmtime,$cctime,
123: $cblksize,$cblocks)=stat($fn.'/'.$filename);
124:
125: my $extension='';
126: if ($filename=~/\.(\w+)$/) { $extension=$1; }
127: if ($cmode&$dirptr) {
128: putdirectory($r, $thisdisfn, $linkdir, $filename, $cmtime,$targetdir,\%bombs,\$numdir);
129: } elsif (&Apache::loncommon::fileembstyle($extension) ne 'hdn') {
130: putresource($r, $udom, $uname, $filename, $thisdisfn, $resdir,
131: $targetdir, $linkdir, $cmtime,\%bombs,\$numres);
132: } else {
133: # "hidden" extension and not a directory, so hide it away.
134: }
135: }
136: closedir(DIR);
137:
138: $r->print('</table></body></html>');
139: return OK;
140: }
141: #
142: # Gets the effective URL of the request and returns it:
143: # $effn = getEffectiveUrl($r);
144: # $r - The Apache Request object.
145: sub getEffectiveUrl {
146: my $r = shift;
147: my $fn;
148:
149: if ($ENV{'form.filename'}) { # If a form filename is defined.
150: $fn=$ENV{'form.filename'};
151: #
152: # Replace the ~username of the URL with /home/username/public_html
153: # so that we don't have to worry about ~ expansion internally.
154: #
155: $fn=~s/^http\:\/\/[^\/]+\///;
156: $fn=~s/^\///;
157: $fn=~s/\~(\w+)/\/home\/$1\/public_html/;
158:
159: # Remove trailing / strings (?)
160:
161: $fn=~s/\/[^\/]+$//;
162: } else {
163: # If no form is defined, use request filename.
164: $fn = $r->filename();
165: my $lonDocRoot=$r->dir_config('lonDocRoot');
166: if ( $fn =~ /$lonDocRoot/ ) {
167: #internal authentication, needs fixup.
168: $fn = $r->uri(); # non users do not get the full path request
169: # through SCRIPT_FILENAME
170: $fn=~s|^/~(\w+)|/home/$1/public_html|;
171: }
172: }
173: $fn=~s/\/+/\//g;
174: return $fn;
175: }
176: #
177: # Output the header of the page. This includes:
178: # - The HTML header
179: # - The H1/H3 stuff which includes the directory.
180: #
181: # startpage($r, $uame, $udom, $thisdisfn);
182: # $r - The apache request object.
183: # $uname - User name.
184: # $udom - Domain name the user is logged in under.
185: # $thisdisfn - Displayable version of the filename.
186:
187: sub startpage {
188: my ($r, $uname, $udom, $thisdisfn) = @_;
189: my $currdir = '/priv/'.$uname.$thisdisfn;
190: &Apache::loncommon::content_type($r,'text/html');
191: $r->send_http_header;
192:
193: $r->print('<html><head><title>LON-CAPA Construction Space</title></head>');
194:
195: my $pagetitle;
196: my $formaction='/priv/'.$uname.'/'.$thisdisfn;
197: $formaction=~s/\/+/\//g;
198: $pagetitle .= ('<form name="dirs" method="post" action="'.$formaction
199: .'" target="_parent">'.
200: '<font face="Arial, Helvetica, sans-serif"><b>Construction Space</b>:</font> '.
201: &Apache::lonhtmlcommon::crumbs($uname.'/'.$thisdisfn,'top','/priv','','-1').
202: &Apache::lonhtmlcommon::select_recent('construct','recent',
203: 'this.form.action=this.form.recent.value;this.form.submit()').
204: '</form>');
205: &Apache::lonhtmlcommon::store_recent('construct',$formaction,$formaction);
206:
207: $r->print(&Apache::loncommon::bodytag('Construction Space',undef,undef,undef,undef,undef,$pagetitle));
208:
209: $r->print(&Apache::loncommon::help_open_menu('','','','',3,'Authoring'));
210: my $pubdirscript=(<<ENDPUBDIRSCRIPT);
211: <script>
212: // Store directory location for menu bar to find
213:
214: parent.lastknownpriv='/~$uname/$thisdisfn/';
215:
216: // Confirmation dialogues
217:
218: function currdiract(theform) {
219: if (theform.dirtask.options[theform.dirtask.selectedIndex].value == 'publish') {
220: document.publishdir.filename.value = theform.filename.value
221: pubdir(document.publishdir)
222: }
223: if (theform.dirtask.options[theform.dirtask.selectedIndex].value == 'publishsub') {
224: document.publishdir.filename.value = theform.filename.value
225: pubrecdir(document.publishdir)
226: }
227: if (theform.dirtask.options[theform.dirtask.selectedIndex].value == 'editcat') {
228: window.location=theform.filename.value+'default.meta'
229: }
230: if (theform.dirtask.options[theform.dirtask.selectedIndex].value == 'printdir' ) {
231: document.printdir.postdata.value=theform.filename.value
232: document.printdir.submit();
233: }
234: }
235:
236: function pubdir(theform) {
237: if (confirm('Publish complete directory?')) {
238: forcepub(theform)
239: theform.submit();
240: }
241: }
242: function pubrecdir(theform) {
243: if (confirm('Publish directory and all subdirectories?')) {
244: forcepub(theform);
245: theform.pubrec.value='1';
246: theform.submit();
247: }
248: }
249:
250: function forcepub(theform) {
251: if (confirm('Force publication of unmodified files? - OK=yes; Cancel=No.')) {
252: theform.forcerepub.value="ON";
253: }
254: }
255:
256: function checkUpload(theform) {
257: if (theform.file == '') {
258: alert("Please use 'Browse..' to choose a file first, before uploading")
259: return
260: }
261: theform.submit()
262: }
263:
264: function SetPubDir(theform,printForm) {
265: if (theform.diraction.options[theform.diraction.selectedIndex].value == "open") {
266: window.location = theform.filename.value
267: return
268: }
269: if (theform.diraction.options[theform.diraction.selectedIndex].value == "publish") {
270: pubdir(theform)
271: }
272: if (theform.diraction.options[theform.diraction.selectedIndex].value == "publishsub") {
273: pubrecdir(theform)
274: }
275: if (theform.diraction.options[theform.diraction.selectedIndex].value == "editcat") {
276: window.location=theform.filename.value+'default.meta'
277: }
278: if (theform.diraction.options[theform.diraction.selectedIndex].value == "print") {
279: theform.action = '/adm/printout'
280: theform.postdata.value = theform.filename.value
281: theform.submit()
282: }
283: return
284: }
285: function SetResChoice(theform) {
286: var activity = theform.reschoice.options[theform.reschoice.selectedIndex].value
287: if ((activity == 'rename') || (activity == 'copy') || (activity == 'move')) {
288: changename(theform,activity)
289: }
290: if (activity == 'publish') {
291: var pubform = document.pubresource
292: pubform.filename.value = theform.filename.value
293: pubform.submit()
294: }
295: if (activity == 'delete') {
296: var delform = document.delresource
297: delform.filename.value = theform.filename.value
298: if (confirm("Are you sure you want to delete "+theform.filename.value+"?")) {
299: delform.submit()
300: }
301: }
302: if (activity == 'obsolete') {
303: alert("Mark as obsolete - still to be implemented")
304: }
305: if (activity == 'print') {
306: document.printresource.postdata = theform.filename.value
307: document.printresource.curseed = getcurseed()
308: document.printresource.problemtype = getproblemtype()
309: document.printresource.submit()
310: }
311: if (activity == 'retrieve') {
312: retrieveres.filename.value = theform.filename.value
313: retrieveres.submit()
314: }
315: return
316: }
317: function changename(theform,activity) {
318: var newname=prompt('New Name');
319: if (newname == "" || !newname) {
320: return
321: }
322: document.moveresource.newfilename.value = newname
323: document.moveresource.filename.value = theform.filename.value
324: document.moveresource.action.value = activity
325: document.moveresource.submit();
326: }
327:
328: function getcurseed() {
329: if (parent.document.lonhomework
330: &&
331: parent.document.lonhomework.rndseed
332: &&
333: parent.document.lonhomework.rndseed.value) {
334: return parent.document.lonhomework.rndseed.value;
335: }
336: return 0;
337: }
338:
339: function getproblemtype() {
340: if (parent.document.lonhomework) {
341: var optionelement;
342: var valueIndex=0;
343: for (var optionIndex=0;
344: optionIndex < parent.document.lonhomework.problemtype.options.length;
345: optionIndex++)
346: {
347: optionElement=parent.document.lonhomework.problemtype.options[optionIndex];
348: if (optionElement.selected) {
349: return optionElement.value;
350: }
351: }
352: }
353: return 0;
354: }
355: </script>
356: ENDPUBDIRSCRIPT
357: $r->print($pubdirscript);
358:
359: if (($uname ne $ENV{'user.name'}) || ($udom ne $ENV{'user.domain'})) {
360: $r->print('<h3>'.&mt('Co-Author').': '.$uname.' at '.$udom.
361: '</h3>');
362: }
363: }
364:
365: sub dircontrols {
366: my ($r,$uname,$udom,$thisdisfn) = @_;
367: $r->print(<<END);
368: <table cellspacing="4" cellpadding="4" width="100%">
369: <tr>
370: <th bgcolor="#DDDDDD">Actions for current directory</th>
371: <th bgcolor="#DDDDDD">Upload a new document</th>
372: <th bgcolor="#DDDDDD">Create a new directory or LON-CAPA document</th>
373: </tr>
374: <tr>
375: <td bgcolor="#ccddaa" valign="top" align="center">
376: <form name="curractions" method="post" action="">
377: <select name="dirtask" onChange="currdiract(this.form)">
378: <option>Select action</option>
379: <option value="publish">Publish directory</option>
380: <option value="publishsub">Publish with subdirectories</option>
381: <option value="editcat">Edit catalog information</option>
382: <option value="printdir">Print contents of directory</option>
383: </select>
384: <input type="hidden" name="filename" value="/~$uname$thisdisfn/" />
385: </form>
386: <form name="publishdir" method="post" action="/adm/publish" target="_parent">
387: <input type="hidden" name="pubrec" value="" />
388: <input type="hidden" name="filename" value="" />
389: <input type="hidden" name="forcerepub" value="NO" />
390: </form>
391: <form name="printdir" method="post" action="/adm/printout" target="_parent">
392: <input type="hidden" name="postdata" value="" />
393: <input type="hidden" name="curseed" value="0" />
394: <input type="hidden" name="problemtype" value="0" />
395: </form>
396: </td>
397: <td bgcolor="#ccddaa" valign="top" align="center">
398: <form name="upublisher" enctype="multipart/form-data" method="post" action="/adm/upload" target="_parent">
399: <input type="hidden" name="filename" value="/~$uname$thisdisfn/" />
400: <input type="file" name="upfile" size="20" />
401: <input type="button" value="Upload file" onclick="checkUpload(this.form)" />
402: </form>
403: </td>
404: <td bgcolor="#ccddaa" align="center">
405: <form name="fileaction" method="post" action="/adm/cfile" target="_parent">
406: <nobr>
407: <input type="hidden" name="filename" value="/~$uname$thisdisfn/" />
408: <select name="action">
409: <option>Select action</option>
410: <option value="newfile">New file:</option>
411: <option value="newhtmlfile">New HTML file:</option>
412: <option value="newproblemfile">New problem:</option>
413: <option value="newpagefile">New assembled page:</option>
414: <option value="newsequencefile">New assembled sequence:</option>
415: <option value="newrightsfile">New custom rights file:</option>
416: <option value="newstyfile">New style file:</option>
417: <option value="newdir">New subdirectory:</option>
418: </select> <input type="text" name="newfilename" value="Type Name Here" onfocus="if (this.value == 'Type Name Here') this.value=''" /> <input type="button" value="Go" onclick="document.fileaction.submit()" />
419: </nobr>
420: </form>
421: </td>
422: </tr>
423: </table>
424: <br />
425: <br />
426: END
427: }
428:
429: sub resourceactions {
430: my ($r,$uname,$udom,$thisdisfn) = @_;
431: $r->print(<<END);
432: <form name="moveresource" action="/adm/cfile" target="_parent" method="post">
433: <input type="hidden" name="filename" value="" />
434: <input type="hidden" name="newfilename" value="" />
435: <input type="hidden" name="action" value="" />
436: </form>
437: <form name="delresource" action="/adm/cfile" target="_parent" method="post">
438: <input type="hidden" name="filename" value="" />
439: <input type="hidden" name="action" value="delete" />
440: </form>
441: <form name="pubresource" action="/adm/publish" target="_parent" method="post">
442: <input type="hidden" name="pubrec" value="" />
443: <input type="hidden" name="filename" value="" />
444: <input type="hidden" name="forcerepub" value="NO" />
445: </form>
446: <form name="printresource" action="/adm/printout" target="_parent" method="post">
447: <input type="hidden" name="postdata" value="" />
448: <input type="hidden" name="curseed" value="" />
449: <input type="hidden" name="problemtype" value="" />
450: </form>
451: <form name="retrieveres" action="/adm/retrieve" target="_parent" method="post">
452: <input type="hidden" name="filename" value="" />
453: </form>
454: END
455: }
456:
457: #
458: # Get the title string or "[untitled]" if the file has no title metadata:
459: # Without the latter substitution, it's impossible to examine metadata for
460: # untitled resources. Resources may be legitimately untitled, to prevent
461: # searches from locating them.
462: #
463: # $str = getTitleString($fullname);
464: # $fullname - Fully qualified filename to check.
465: #
466: sub getTitleString {
467: my $fullname = shift;
468: my $title = &Apache::lonnet::metadata($fullname, 'title');
469:
470: unless ($title) {
471: $title = "[".&mt('untitled')."]";
472: }
473: return $title;
474: }
475:
476: sub getCopyRightString {
477: my $fullname = shift;
478: return &Apache::lonnet::metadata($fullname, 'copyright');
479: }
480:
481: sub getSourceRightString {
482: my $fullname = shift;
483: return &Apache::lonnet::metadata($fullname, 'sourceavail');
484: }
485: #
486: # Put out a directory table row:
487: # putdirectory(r, base, here, dirname, modtime)
488: # r - Apache request object.
489: # reqfile - File in request.
490: # here - Where we are in directory tree.
491: # dirname - Name of directory special file.
492: # modtime - Encoded modification time.
493: #
494: sub putdirectory {
495: my ($r, $reqfile, $here, $dirname, $modtime, $resdir, $bombs, $numdir) = @_;
496: # construct the display filename: the directory name unless ..:
497:
498: my $disfilename = $dirname;
499: if ($dirname eq '..') {
500: $disfilename = '<i>'.&mt('Parent Directory').'</i>';
501: }
502: unless ( (($dirname eq '..') && ($reqfile eq '')) || ($dirname eq '.')) {
503: my $kaputt=0;
504: foreach (keys %{$bombs}) {
505: if ($_=~m:^\Q$resdir\E/\Q$disfilename\E/:) { $kaputt=1; last; }
506: }
507: %Apache::lonpublisher::metadatafields=();
508: %Apache::lonpublisher::metadatakeys=();
509: my $construct=$here;
510: $construct=~s:^/priv/(\w+)$:/home/$1/public_html:;
511: &Apache::lonpublisher::metaeval(&Apache::lonnet::getfile(
512: $construct.'/'.$dirname.'/default.meta'
513: ));
514: my $actionitem = '';
515: if ($dirname eq '..') {
516: $actionitem = 'Go to ...';
517: } else {
518: $actionitem =
519: '<form name="dirselect_'.$$numdir.
520: '" action="/adm/publish" target="_parent">'.
521: '<select name="diraction" onChange="SetPubDir(this.form,document)">'.
522: '<option selected="selected">'.&mt('Select action').'</option>'.
523: '<option value="open">'.&mt('Open').'</option>'.
524: '<option value="publish">'.&mt('Publish').'</option>'.
525: '<option value="publishsub">'.&mt('Publish with subdirectories').'</option>'.
526: '<option value="editcat">'.&mt('Edit catalog information').'</option>'.
527: '<option value="printdir">'.&mt('Print directory').
528: '</select>'.
529: '<input type="hidden" name="filename" value="'.$here.'/'.$dirname.'" />'.
530: '<input type="hidden" name="pubrec" value="" />'.
531: '<input type="hidden" name="forcerepub" value="" />'.
532: '<input type="hidden" name="curseed" value="0" />'.
533: '<input type="hidden" name="problemtype" value="0" />'.
534: '<input type="hidden" name="postdata" value="" />'.
535: '</form>';
536: $$numdir ++;
537: }
538: $r->print('<tr bgcolor="#CCCCFF">'.
539: '<td><img src="'.
540: $Apache::lonnet::perlvar{'lonIconsURL'}.'/folder_closed.gif" /></td>'.
541: '<td>'.$actionitem.'</td>'.
542: '<td><font face="arial"><a href="'.$here.'/'.$dirname.'/" target="_parent">'.
543: $disfilename.'</a></font></td>'.
544: '<td colspan="2">'.($kaputt?&Apache::lonhtmlcommon::authorbombs($resdir.'/'.$disfilename.'/'):'').$Apache::lonpublisher::metadatafields{'title'}.' <i>'.
545: $Apache::lonpublisher::metadatafields{'subject'}.'</i> '.
546: $Apache::lonpublisher::metadatafields{'keywords'}.'</td>'.
547: '<td>'.&Apache::lonlocal::locallocaltime($modtime).'</td>'.
548: "</tr>\n");
549: }
550: return OK;
551: }
552: #
553: # Put a table row for a file resource.
554: #
555: sub putresource {
556: my ($r, $udom, $uname, $filename, $thisdisfn,
557: $resdir, $targetdir, $linkdir,
558: $cmtime,$bombs,$numres) = @_;
559: my $pubstatus = 'unpublished';
560: my $status=&mt('Unpublished');
561: my $bgcolor='#FFAA99';
562: my $title=' ';
563: my $publish_button=&mt('Publish');
564: # my $action_buttons=
565: # '<br /><a target="_parent" href="/adm/cfile?action=delete&filename=/~'.
566: # $uname.'/'.$thisdisfn.'/'.$filename.'">'.
567: # &mt('Delete').'</a>';
568: if (-e $resdir.'/'.$filename) {
569: my ($rdev,$rino,$rmode,$rnlink,
570: $ruid,$rgid,$rrdev,$rsize,
571: $ratime,$rmtime,$rctime,
572: $rblksize,$rblocks)=stat($resdir.'/'.$filename);
573: $publish_button=&mt('Re-publish');
574: if ($rmtime>=$cmtime) {
575: $pubstatus = 'published';
576: $status=&mt('Published').'<br />'.
577: &mt(&getCopyRightString($targetdir.'/'.$filename)).' '.
578: &mt(&getSourceRightString($targetdir.'/'.$filename));
579: $bgcolor='#CCFF88';
580: if (&Apache::lonnet::metadata($targetdir.'/'.$filename,'obsolete')) {
581: $pubstatus = 'obsolete';
582: $status=&mt('Obsolete');
583: $bgcolor='#AAAAAA';
584: }
585: # } else {
586: # $action_buttons='';
587: # }
588: $title='<a href="/res/'.$targetdir.'/'.$filename.
589: '.meta" target=cat>'.
590: &getTitleString($targetdir.'/'.$filename).'</a>';
591: } else {
592: $pubstatus = 'modified';
593: $status=&mt('Modified').'<br />'.
594: &mt(&getCopyRightString($targetdir.'/'.$filename)).' '.
595: &mt(&getSourceRightString($targetdir.'/'.$filename));
596: $bgcolor='#FFFF77';
597: # $action_buttons='';
598: $title='<a href="/res/'.$targetdir.'/'.$filename.'.meta" target=cat>'.
599: &getTitleString($targetdir.'/'.$filename).'</a>';
600: if (&Apache::loncommon::fileembstyle(($filename=~/\.(\w+)$/)) eq 'ssi') {
601: $status.='<br /><a href="/adm/diff?filename=/~'.$uname.
602: $thisdisfn.'/'.$filename.
603: '&versiontwo=priv" target=cat>'.&mt('Diffs').'</a>';
604: }
605: }
606: $title.='<br /><a href="/~'.$uname.$thisdisfn.'/'.$filename.'.meta">'.
607: ($$bombs{$targetdir.'/'.$filename}?'<img src="/adm/lonMisc/bomb.gif" border="0" />':'Edit Metadata').'</a>';
608: $status.='<br><a href="/adm/retrieve?filename=/~'.$uname.
609: $thisdisfn.'/'.$filename.'" target="_parent">'.&mt('Retrieve').'</a>';
610: }
611: my $editlink='';
612: my $editlink2='';
613: if ($filename=~/\.(xml|html|htm|xhtml|xhtm|sty)$/) {
614: $editlink=' <br />(<a href="'.$linkdir.'/'.$filename.'?forceedit=1" target="_parent">'.&mt('Edit').'</a>)';
615: }
616: if ($filename=~/\.(problem|exam|quiz|assess|survey|form|library)$/) {
617: $editlink=' (<a href="'.$linkdir.'/'.$filename.'?forceedit=1" target="_parent">'.&mt('EditXML').'</a>)';
618: $editlink2=' <br />(<a href="'.$linkdir.'/'.$filename.'?forceColoredit=1" target="_parent">'.&mt('Edit').'</a>)';
619: }
620: if ($filename=~/\.(zip|tar|bz2|gz|tar.gz|tar.bz2|tgz)$/) {
621: $editlink=' (<a target="_parent" href="/adm/cfile?decompress=/~'.
622: $uname.$thisdisfn.'/'.$filename.'">'.&mt('Decompress').'</a>)';
623: }
624: my $pub_select = '';
625: &create_pubselect($r,\$pub_select,$udom,$uname,$thisdisfn,$filename,$resdir,$pubstatus,$publish_button,$numres);
626: $r->print('<tr bgcolor="'.$bgcolor.'">'.
627: '<td>'.($filename=~/[\#\~]$/?' ':
628: '<img src="'.&Apache::loncommon::icon($filename).'" /></td>').
629: '<td>'.$pub_select.'</td>'.
630: '<td><font face="arial">'.
631: '<a href="'.$linkdir.'/'.$filename.'" target="_parent">'.
632: $filename.'</a></font>'.$editlink2.$editlink.
633: '</td>'.
634: '<td>'.$title.'</td>'.
635: '<td>'.$status.'</td>'.
636: '<td>'.&Apache::lonlocal::locallocaltime($cmtime).'</td>'.
637: "</tr>\n");
638: return OK;
639: }
640:
641: sub create_pubselect {
642: my ($r,$pub_select,$udom,$uname,$thisdisfn,$filename,$resdir,$pubstatus,$publish_button,$numres) = @_;
643: $$pub_select = '
644: <form name="resselect_'.$$numres.'" action="">
645: <select name="reschoice" onChange="SetResChoice(this.form)">
646: <option>'.&mt('Select action').
647: '<option value="rename"/>'.&mt('Rename').
648: '<option value="move"/>'.&mt('Move').
649: '<option value="copy"/>'.&mt('Copy').
650: '<option value="publish"/>'.$publish_button;
651: if ($pubstatus eq 'obsolete' || $pubstatus eq 'unpublished') {
652: $$pub_select .= '
653: <option value="delete"/>'.&mt('Delete');
654: } else {
655: $$pub_select .= '
656: <option value="obsolete"/>'.&mt('Mark obsolete');
657: }
658: $$pub_select .= '
659: <option value="print"/>'.&mt('Print');
660:
661: # check for versions
662: my $versions = &check_for_versions($r,'/'.$filename,$udom,$uname);
663: if ($versions > 0) {
664: $$pub_select .='
665: <option value="retrieve"/>'.&mt('Retrieve old version');
666: }
667: $$pub_select .= '
668: </select>
669: <input type="hidden" name="filename" value="/~'.
670: $uname.'/'.$thisdisfn.'/'.$filename.'"></form>';
671: $$numres ++;
672: }
673:
674: sub check_for_versions {
675: my ($r,$fn,$udom,$uname) = @_;
676: my $versions = 0;
677: my $docroot=$r->dir_config('lonDocRoot');
678: my $resfn=$docroot.'/res/'.$udom.'/'.$uname.$fn;
679: my $resdir=$resfn;
680: $resdir=~s/\/[^\/]+$/\//;
681: $fn=~/\/([^\/]+)\.(\w+)$/;
682: my $main=$1;
683: my $suffix=$2;
684: opendir(DIR,$resdir);
685: while (my $filename=readdir(DIR)) {
686: if ($filename=~/^\Q$main\E\.(\d+)\.\Q$suffix\E$/) {
687: $versions ++;
688: }
689: }
690: return $versions;
691: }
692:
693: #
694: # Categorize files in the directory.
695: # For each file in a list of files in a file directory,
696: # the file categorized as one of:
697: # - directory
698: # - sequence
699: # - problem
700: # - Other resource.
701: #
702: # For each file the modification date is determined as well.
703: # Returned is a list of sublists:
704: # (directories, sequences, problems, other)
705: # each of the sublists contains entries of the following form (sorted by
706: # filename):
707: # (filename, typecode, lastmodtime)
708: #
709: # $list = CategorizeFiles($location, $files)
710: # $location - Directory in which the files live (relative to our
711: # execution.
712: # $files - list of files.
713: #
714: sub CategorizeFiles {
715: my $location = shift;
716: my $files = shift;
717: }
718:
719: 1;
720: __END__
721:
722: =head1 NAME
723:
724: Apache::lonpubdir - Construction space directory lister
725:
726: =head1 SYNOPSIS
727:
728: Invoked (for various locations) by /etc/httpd/conf/srm.conf:
729:
730: <LocationMatch "^/\~.*/$">
731: PerlAccessHandler Apache::loncacc
732: SetHandler perl-script
733: PerlHandler Apache::lonpubdir
734: ErrorDocument 403 /adm/login
735: ErrorDocument 404 /adm/notfound.html
736: ErrorDocument 406 /adm/unauthorized.html
737: ErrorDocument 500 /adm/errorhandler
738: </LocationMatch>
739:
740: <Location /adm/pubdir>
741: PerlAccessHandler Apache::lonacc
742: SetHandler perl-script
743: PerlHandler Apache::lonpubdir
744: ErrorDocument 403 /adm/login
745: ErrorDocument 404 /adm/notfound.html
746: ErrorDocument 406 /adm/unauthorized.html
747: ErrorDocument 500 /adm/errorhandler
748: </Location>
749:
750: =head1 INTRODUCTION
751:
752: This module publishes a directory of files.
753:
754: This is part of the LearningOnline Network with CAPA project
755: described at http://www.lon-capa.org.
756:
757: =head1 HANDLER SUBROUTINE
758:
759: This routine is called by Apache and mod_perl.
760:
761: =over 4
762:
763: =item *
764:
765: read in information
766:
767: =item *
768:
769: start page output
770:
771: =item *
772:
773: run through list of files and attempt to publish unhidden files
774:
775: =back
776:
777: =cut
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