1: # The LearningOnline Network with CAPA
2: # Construction Space Directory Lister
3: #
4: # $Id: lonpubdir.pm,v 1.65 2004/11/08 22:42:20 albertel 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, $thisdisfn); # Put out the start of page.
94: if ($ENV{'environment.remote'} eq 'off') {
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: if ($ENV{'environment.remote'} eq 'off') {
207: $ENV{'request.noversionuri'}=$currdir;
208: $r->print(&Apache::loncommon::bodytag('Construction Space',undef,undef,undef,undef,undef,$pagetitle));
209: } else {
210: $r->print($pagetitle);
211: }
212: $r->print(&Apache::loncommon::help_open_menu('','','','',3,'Authoring'));
213: my $pubdirscript=(<<ENDPUBDIRSCRIPT);
214: <script>
215: // Store directory location for menu bar to find
216:
217: parent.lastknownpriv='/~$uname/$thisdisfn/';
218:
219: // Confirmation dialogues
220:
221: function currdiract(theform) {
222: if (theform.dirtask.options[theform.dirtask.selectedIndex].value == 'publish') {
223: document.publishdir.filename.value = theform.filename.value
224: pubdir(document.publishdir)
225: }
226: if (theform.dirtask.options[theform.dirtask.selectedIndex].value == 'publishsub') {
227: document.publishdir.filename.value = theform.filename.value
228: pubrecdir(document.publishdir)
229: }
230: if (theform.dirtask.options[theform.dirtask.selectedIndex].value == 'editcat') {
231: window.location=theform.filename.value+'default.meta'
232: }
233: if (theform.dirtask.options[theform.dirtask.selectedIndex].value == 'printdir' ) {
234: document.printdir.postdata.value=theform.filename.value
235: document.printdir.submit();
236: }
237: }
238:
239: function pubdir(theform) {
240: if (confirm('Publish complete directory?')) {
241: forcepub(theform)
242: theform.submit();
243: }
244: }
245: function pubrecdir(theform) {
246: if (confirm('Publish directory and all subdirectories?')) {
247: forcepub(theform);
248: theform.pubrec.value='1';
249: theform.submit();
250: }
251: }
252:
253: function forcepub(theform) {
254: if (confirm('Force publication of unmodified files? - OK=yes; Cancel=No.')) {
255: theform.forcerepub.value="ON";
256: }
257: }
258:
259: function checkUpload(theform) {
260: if (theform.file == '') {
261: alert("Please use 'Browse..' to choose a file first, before uploading")
262: return
263: }
264: theform.submit()
265: }
266:
267: function SetPubDir(theform,printForm) {
268: if (theform.diraction.options[theform.diraction.selectedIndex].value == "open") {
269: window.location = theform.filename.value
270: return
271: }
272: if (theform.diraction.options[theform.diraction.selectedIndex].value == "publish") {
273: pubdir(theform)
274: }
275: if (theform.diraction.options[theform.diraction.selectedIndex].value == "publishsub") {
276: pubrecdir(theform)
277: }
278: if (theform.diraction.options[theform.diraction.selectedIndex].value == "editcat") {
279: window.location=theform.filename.value+'default.meta'
280: }
281: if (theform.diraction.options[theform.diraction.selectedIndex].value == "print") {
282: theform.action = '/adm/printout'
283: theform.postdata.value = theform.filename.value
284: theform.submit()
285: }
286: return
287: }
288: function SetResChoice(theform) {
289: var activity = theform.reschoice.options[theform.reschoice.selectedIndex].value
290: if ((activity == 'rename') || (activity == 'copy') || (activity == 'move')) {
291: changename(theform,activity)
292: }
293: if (activity == 'publish') {
294: var pubform = document.pubresource
295: pubform.filename.value = theform.filename.value
296: pubform.submit()
297: }
298: if (activity == 'delete') {
299: var delform = document.delresource
300: delform.filename.value = theform.filename.value
301: if (confirm("Are you sure you want to delete "+theform.filename.value+"?")) {
302: delform.submit()
303: }
304: }
305: if (activity == 'obsolete') {
306: alert("Mark as obsolete - still to be implemented")
307: }
308: if (activity == 'print') {
309: document.printresource.postdata = theform.filename.value
310: document.printresource.curseed = getcurseed()
311: document.printresource.problemtype = getproblemtype()
312: document.printresource.submit()
313: }
314: if (activity == 'retrieve') {
315: retrieveres.filename.value = theform.filename.value
316: retrieveres.submit()
317: }
318: return
319: }
320: function changename(theform,activity) {
321: var newname=prompt('New Name');
322: if (newname == "" || !newname) {
323: return
324: }
325: document.moveresource.newfilename.value = newname
326: document.moveresource.filename.value = theform.filename.value
327: document.moveresource.action.value = activity
328: document.moveresource.submit();
329: }
330:
331: function getcurseed() {
332: if (parent.document.lonhomework
333: &&
334: parent.document.lonhomework.rndseed
335: &&
336: parent.document.lonhomework.rndseed.value) {
337: return parent.document.lonhomework.rndseed.value;
338: }
339: return 0;
340: }
341:
342: function getproblemtype() {
343: if (parent.document.lonhomework) {
344: var optionelement;
345: var valueIndex=0;
346: for (var optionIndex=0;
347: optionIndex < parent.document.lonhomework.problemtype.options.length;
348: optionIndex++)
349: {
350: optionElement=parent.document.lonhomework.problemtype.options[optionIndex];
351: if (optionElement.selected) {
352: return optionElement.value;
353: }
354: }
355: }
356: return 0;
357: }
358: </script>
359: ENDPUBDIRSCRIPT
360: $r->print($pubdirscript);
361:
362: if (($uname ne $ENV{'user.name'}) || ($udom ne $ENV{'user.domain'})) {
363: $r->print('<h3>'.&mt('Co-Author').': '.$uname.' at '.$udom.
364: '</h3>');
365: }
366: }
367:
368: sub dircontrols {
369: my ($r,$uname,$udom,$thisdisfn) = @_;
370: $r->print(<<END);
371: <table cellspacing="4" cellpadding="4" width="100%">
372: <tr>
373: <th bgcolor="#DDDDDD">Actions for current directory</th>
374: <th bgcolor="#DDDDDD">Upload a new document</th>
375: <th bgcolor="#DDDDDD">Create a new directory or LON-CAPA document</th>
376: </tr>
377: <tr>
378: <td bgcolor="#ccddaa" valign="top" align="center">
379: <form name="curractions" method="post" action="">
380: <select name="dirtask" onChange="currdiract(this.form)">
381: <option>Select action</option>
382: <option value="publish">Publish directory</option>
383: <option value="publishsub">Publish with subdirectories</option>
384: <option value="editcat">Edit catalog information</option>
385: <option value="printdir">Print contents of directory</option>
386: </select>
387: <input type="hidden" name="filename" value="/~$uname$thisdisfn/" />
388: </form>
389: <form name="publishdir" method="post" action="/adm/publish" target="_parent">
390: <input type="hidden" name="pubrec" value="" />
391: <input type="hidden" name="filename" value="" />
392: <input type="hidden" name="forcerepub" value="NO" />
393: </form>
394: <form name="printdir" method="post" action="/adm/printout" target="_parent">
395: <input type="hidden" name="postdata" value="" />
396: <input type="hidden" name="curseed" value="0" />
397: <input type="hidden" name="problemtype" value="0" />
398: </form>
399: </td>
400: <td bgcolor="#ccddaa" valign="top" align="center">
401: <form name="upublisher" enctype="multipart/form-data" method="post" action="/adm/upload" target="_parent">
402: <input type="hidden" name="filename" value="/~$uname$thisdisfn/" />
403: <input type="file" name="upfile" size="20" />
404: <input type="button" value="Upload file" onclick="checkUpload(this.form)" />
405: </form>
406: </td>
407: <td bgcolor="#ccddaa" align="center">
408: <form name="fileaction" method="post" action="/adm/cfile" target="_parent">
409: <nobr>
410: <input type="hidden" name="filename" value="/~$uname$thisdisfn/" />
411: <select name="action">
412: <option>Select action</option>
413: <option value="newfile">New file:</option>
414: <option value="newhtmlfile">New HTML file:</option>
415: <option value="newproblemfile">New problem:</option>
416: <option value="newpagefile">New assembled page:</option>
417: <option value="newsequencefile">New assembled sequence:</option>
418: <option value="newrightsfile">New custom rights file:</option>
419: <option value="newstyfile">New style file:</option>
420: <option value="newdir">New subdirectory:</option>
421: </select> <input type="text" name="newfilename" value="Type Name Here" onfocus="if (this.value == 'Type Name Here') this.value=''" /> <input type="button" value="Go" onclick="document.fileaction.submit()" />
422: </nobr>
423: </form>
424: </td>
425: </tr>
426: </table>
427: <br />
428: <br />
429: END
430: }
431:
432: sub resourceactions {
433: my ($r,$uname,$udom,$thisdisfn) = @_;
434: $r->print(<<END);
435: <form name="moveresource" action="/adm/cfile" target="_parent" method="post">
436: <input type="hidden" name="filename" value="" />
437: <input type="hidden" name="newfilename" value="" />
438: <input type="hidden" name="action" value="" />
439: </form>
440: <form name="delresource" action="/adm/cfile" target="_parent" method="post">
441: <input type="hidden" name="filename" value="" />
442: <input type="hidden" name="action" value="delete" />
443: </form>
444: <form name="pubresource" action="/adm/publish" target="_parent" method="post">
445: <input type="hidden" name="pubrec" value="" />
446: <input type="hidden" name="filename" value="" />
447: <input type="hidden" name="forcerepub" value="NO" />
448: </form>
449: <form name="printresource" action="/adm/printout" target="_parent" method="post">
450: <input type="hidden" name="postdata" value="" />
451: <input type="hidden" name="curseed" value="" />
452: <input type="hidden" name="problemtype" value="" />
453: </form>
454: <form name="retrieveres" action="/adm/retrieve" target="_parent" method="post">
455: <input type="hidden" name="filename" value="" />
456: </form>
457: END
458: }
459:
460: #
461: # Get the title string or "[untitled]" if the file has no title metadata:
462: # Without the latter substitution, it's impossible to examine metadata for
463: # untitled resources. Resources may be legitimately untitled, to prevent
464: # searches from locating them.
465: #
466: # $str = getTitleString($fullname);
467: # $fullname - Fully qualified filename to check.
468: #
469: sub getTitleString {
470: my $fullname = shift;
471: my $title = &Apache::lonnet::metadata($fullname, 'title');
472:
473: unless ($title) {
474: $title = "[".&mt('untitled')."]";
475: }
476: return $title;
477: }
478:
479: sub getCopyRightString {
480: my $fullname = shift;
481: return &Apache::lonnet::metadata($fullname, 'copyright');
482: }
483:
484: sub getSourceRightString {
485: my $fullname = shift;
486: return &Apache::lonnet::metadata($fullname, 'sourceavail');
487: }
488: #
489: # Put out a directory table row:
490: # putdirectory(r, base, here, dirname, modtime)
491: # r - Apache request object.
492: # reqfile - File in request.
493: # here - Where we are in directory tree.
494: # dirname - Name of directory special file.
495: # modtime - Encoded modification time.
496: #
497: sub putdirectory {
498: my ($r, $reqfile, $here, $dirname, $modtime, $resdir, $bombs, $numdir) = @_;
499: # construct the display filename: the directory name unless ..:
500:
501: my $disfilename = $dirname;
502: if ($dirname eq '..') {
503: $disfilename = '<i>'.&mt('Parent Directory').'</i>';
504: }
505: unless ( (($dirname eq '..') && ($reqfile eq '')) || ($dirname eq '.')) {
506: my $kaputt=0;
507: foreach (keys %{$bombs}) {
508: if ($_=~m:^\Q$resdir\E/\Q$disfilename\E/:) { $kaputt=1; last; }
509: }
510: %Apache::lonpublisher::metadatafields=();
511: %Apache::lonpublisher::metadatakeys=();
512: my $construct=$here;
513: $construct=~s:^/priv/(\w+)$:/home/$1/public_html:;
514: &Apache::lonpublisher::metaeval(&Apache::lonnet::getfile(
515: $construct.'/'.$dirname.'/default.meta'
516: ));
517: my $actionitem = '';
518: if ($dirname eq '..') {
519: $actionitem = 'Go to ...';
520: } else {
521: $actionitem =
522: '<form name="dirselect_'.$$numdir.
523: '" action="/adm/publish" target="_parent">'.
524: '<select name="diraction" onChange="SetPubDir(this.form,document)">'.
525: '<option selected="selected">'.&mt('Select action').'</option>'.
526: '<option value="open">'.&mt('Open').'</option>'.
527: '<option value="publish">'.&mt('Publish').'</option>'.
528: '<option value="publishsub">'.&mt('Publish with subdirectories').'</option>'.
529: '<option value="editcat">'.&mt('Edit catalog information').'</option>'.
530: '<option value="printdir">'.&mt('Print directory').
531: '</select>'.
532: '<input type="hidden" name="filename" value="'.$here.'/'.$dirname.'" />'.
533: '<input type="hidden" name="pubrec" value="" />'.
534: '<input type="hidden" name="forcerepub" value="" />'.
535: '<input type="hidden" name="curseed" value="0" />'.
536: '<input type="hidden" name="problemtype" value="0" />'.
537: '<input type="hidden" name="postdata" value="" />'.
538: '</form>';
539: $$numdir ++;
540: }
541: $r->print('<tr bgcolor="#CCCCFF">'.
542: '<td><img src="'.
543: $Apache::lonnet::perlvar{'lonIconsURL'}.'/folder_closed.gif" /></td>'.
544: '<td>'.$actionitem.'</td>'.
545: '<td><font face="arial"><a href="'.$here.'/'.$dirname.'/" target="_parent">'.
546: $disfilename.'</a></font></td>'.
547: '<td colspan="2">'.($kaputt?&Apache::lonhtmlcommon::authorbombs($resdir.'/'.$disfilename.'/'):'').$Apache::lonpublisher::metadatafields{'title'}.' <i>'.
548: $Apache::lonpublisher::metadatafields{'subject'}.'</i> '.
549: $Apache::lonpublisher::metadatafields{'keywords'}.'</td>'.
550: '<td>'.&Apache::lonlocal::locallocaltime($modtime).'</td>'.
551: "</tr>\n");
552: }
553: return OK;
554: }
555: #
556: # Put a table row for a file resource.
557: #
558: sub putresource {
559: my ($r, $udom, $uname, $filename, $thisdisfn,
560: $resdir, $targetdir, $linkdir,
561: $cmtime,$bombs,$numres) = @_;
562: my $pubstatus = 'unpublished';
563: my $status=&mt('Unpublished');
564: my $bgcolor='#FFAA99';
565: my $title=' ';
566: my $publish_button=&mt('Publish');
567: # my $action_buttons=
568: # '<br /><a target="_parent" href="/adm/cfile?action=delete&filename=/~'.
569: # $uname.'/'.$thisdisfn.'/'.$filename.'">'.
570: # &mt('Delete').'</a>';
571: if (-e $resdir.'/'.$filename) {
572: my ($rdev,$rino,$rmode,$rnlink,
573: $ruid,$rgid,$rrdev,$rsize,
574: $ratime,$rmtime,$rctime,
575: $rblksize,$rblocks)=stat($resdir.'/'.$filename);
576: $publish_button=&mt('Re-publish');
577: if ($rmtime>=$cmtime) {
578: $pubstatus = 'published';
579: $status=&mt('Published').'<br />'.
580: &mt(&getCopyRightString($targetdir.'/'.$filename)).' '.
581: &mt(&getSourceRightString($targetdir.'/'.$filename));
582: $bgcolor='#CCFF88';
583: if (&Apache::lonnet::metadata($targetdir.'/'.$filename,'obsolete')) {
584: $pubstatus = 'obsolete';
585: $status=&mt('Obsolete');
586: $bgcolor='#AAAAAA';
587: }
588: # } else {
589: # $action_buttons='';
590: # }
591: $title='<a href="/res/'.$targetdir.'/'.$filename.
592: '.meta" target=cat>'.
593: &getTitleString($targetdir.'/'.$filename).'</a>';
594: } else {
595: $pubstatus = 'modified';
596: $status=&mt('Modified').'<br />'.
597: &mt(&getCopyRightString($targetdir.'/'.$filename)).' '.
598: &mt(&getSourceRightString($targetdir.'/'.$filename));
599: $bgcolor='#FFFF77';
600: # $action_buttons='';
601: $title='<a href="/res/'.$targetdir.'/'.$filename.'.meta" target=cat>'.
602: &getTitleString($targetdir.'/'.$filename).'</a>';
603: if (&Apache::loncommon::fileembstyle(($filename=~/\.(\w+)$/)) eq 'ssi') {
604: $status.='<br /><a href="/adm/diff?filename=/~'.$uname.
605: $thisdisfn.'/'.$filename.
606: '&versiontwo=priv" target=cat>'.&mt('Diffs').'</a>';
607: }
608: }
609: $title.='<br /><a href="/~'.$uname.$thisdisfn.'/'.$filename.'.meta">'.
610: ($$bombs{$targetdir.'/'.$filename}?'<img src="/adm/lonMisc/bomb.gif" border="0" />':'Edit Metadata').'</a>';
611: $status.='<br><a href="/adm/retrieve?filename=/~'.$uname.
612: $thisdisfn.'/'.$filename.'" target="_parent">'.&mt('Retrieve').'</a>';
613: }
614: my $editlink='';
615: my $editlink2='';
616: if ($filename=~/\.(xml|html|htm|xhtml|xhtm|sty)$/) {
617: $editlink=' <br />(<a href="'.$linkdir.'/'.$filename.'?forceedit=1" target="_parent">'.&mt('Edit').'</a>)';
618: }
619: if ($filename=~/\.(problem|exam|quiz|assess|survey|form|library)$/) {
620: $editlink=' (<a href="'.$linkdir.'/'.$filename.'?forceedit=1" target="_parent">'.&mt('EditXML').'</a>)';
621: $editlink2=' <br />(<a href="'.$linkdir.'/'.$filename.'?forceColoredit=1" target="_parent">'.&mt('Edit').'</a>)';
622: }
623: if ($filename=~/\.(zip|tar|bz2|gz|tar.gz|tar.bz2|tgz)$/) {
624: $editlink=' (<a target="_parent" href="/adm/cfile?decompress=/~'.
625: $uname.$thisdisfn.'/'.$filename.'">'.&mt('Decompress').'</a>)';
626: }
627: my $pub_select = '';
628: &create_pubselect($r,\$pub_select,$udom,$uname,$thisdisfn,$filename,$resdir,$pubstatus,$publish_button,$numres);
629: $r->print('<tr bgcolor="'.$bgcolor.'">'.
630: '<td>'.($filename=~/[\#\~]$/?' ':
631: '<img src="'.&Apache::loncommon::icon($filename).'" /></td>').
632: '<td>'.$pub_select.'</td>'.
633: '<td><font face="arial">'.
634: '<a href="'.$linkdir.'/'.$filename.'" target="_parent">'.
635: $filename.'</a></font>'.$editlink2.$editlink.
636: '</td>'.
637: '<td>'.$title.'</td>'.
638: '<td>'.$status.'</td>'.
639: '<td>'.&Apache::lonlocal::locallocaltime($cmtime).'</td>'.
640: "</tr>\n");
641: return OK;
642: }
643:
644: sub create_pubselect {
645: my ($r,$pub_select,$udom,$uname,$thisdisfn,$filename,$resdir,$pubstatus,$publish_button,$numres) = @_;
646: $$pub_select = '
647: <form name="resselect_'.$$numres.'" action="">
648: <select name="reschoice" onChange="SetResChoice(this.form)">
649: <option>'.&mt('Select action').
650: '<option value="rename"/>'.&mt('Rename').
651: '<option value="move"/>'.&mt('Move').
652: '<option value="copy"/>'.&mt('Copy').
653: '<option value="publish"/>'.$publish_button;
654: if ($pubstatus eq 'obsolete' || $pubstatus eq 'unpublished') {
655: $$pub_select .= '
656: <option value="delete"/>'.&mt('Delete');
657: } else {
658: $$pub_select .= '
659: <option value="obsolete"/>'.&mt('Mark obsolete');
660: }
661: $$pub_select .= '
662: <option value="print"/>'.&mt('Print');
663:
664: # check for versions
665: my $versions = &check_for_versions($r,'/'.$filename,$udom,$uname);
666: if ($versions > 0) {
667: $$pub_select .='
668: <option value="retrieve"/>'.&mt('Retrieve old version');
669: }
670: $$pub_select .= '
671: </select>
672: <input type="hidden" name="filename" value="/~'.
673: $uname.'/'.$thisdisfn.'/'.$filename.'"></form>';
674: $$numres ++;
675: }
676:
677: sub check_for_versions {
678: my ($r,$fn,$udom,$uname) = @_;
679: my $versions = 0;
680: my $docroot=$r->dir_config('lonDocRoot');
681: my $resfn=$docroot.'/res/'.$udom.'/'.$uname.$fn;
682: my $resdir=$resfn;
683: $resdir=~s/\/[^\/]+$/\//;
684: $fn=~/\/([^\/]+)\.(\w+)$/;
685: my $main=$1;
686: my $suffix=$2;
687: opendir(DIR,$resdir);
688: while (my $filename=readdir(DIR)) {
689: if ($filename=~/^\Q$main\E\.(\d+)\.\Q$suffix\E$/) {
690: $versions ++;
691: }
692: }
693: return $versions;
694: }
695:
696: #
697: # Categorize files in the directory.
698: # For each file in a list of files in a file directory,
699: # the file categorized as one of:
700: # - directory
701: # - sequence
702: # - problem
703: # - Other resource.
704: #
705: # For each file the modification date is determined as well.
706: # Returned is a list of sublists:
707: # (directories, sequences, problems, other)
708: # each of the sublists contains entries of the following form (sorted by
709: # filename):
710: # (filename, typecode, lastmodtime)
711: #
712: # $list = CategorizeFiles($location, $files)
713: # $location - Directory in which the files live (relative to our
714: # execution.
715: # $files - list of files.
716: #
717: sub CategorizeFiles {
718: my $location = shift;
719: my $files = shift;
720: }
721:
722: 1;
723: __END__
724:
725: =head1 NAME
726:
727: Apache::lonpubdir - Construction space directory lister
728:
729: =head1 SYNOPSIS
730:
731: Invoked (for various locations) by /etc/httpd/conf/srm.conf:
732:
733: <LocationMatch "^/\~.*/$">
734: PerlAccessHandler Apache::loncacc
735: SetHandler perl-script
736: PerlHandler Apache::lonpubdir
737: ErrorDocument 403 /adm/login
738: ErrorDocument 404 /adm/notfound.html
739: ErrorDocument 406 /adm/unauthorized.html
740: ErrorDocument 500 /adm/errorhandler
741: </LocationMatch>
742:
743: <Location /adm/pubdir>
744: PerlAccessHandler Apache::lonacc
745: SetHandler perl-script
746: PerlHandler Apache::lonpubdir
747: ErrorDocument 403 /adm/login
748: ErrorDocument 404 /adm/notfound.html
749: ErrorDocument 406 /adm/unauthorized.html
750: ErrorDocument 500 /adm/errorhandler
751: </Location>
752:
753: =head1 INTRODUCTION
754:
755: This module publishes a directory of files.
756:
757: This is part of the LearningOnline Network with CAPA project
758: described at http://www.lon-capa.org.
759:
760: =head1 HANDLER SUBROUTINE
761:
762: This routine is called by Apache and mod_perl.
763:
764: =over 4
765:
766: =item *
767:
768: read in information
769:
770: =item *
771:
772: start page output
773:
774: =item *
775:
776: run through list of files and attempt to publish unhidden files
777:
778: =back
779:
780: =cut
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