1: # The LearningOnline Network with CAPA
2: # Construction Space Directory Lister
3: #
4: # $Id: lonpubdir.pm,v 1.79 2005/05/17 00:46:36 www 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: } else {
98: &pubbuttons($r,$uname,$thisdisfn);
99: }
100: &resourceactions($r,$uname,$udom,$thisdisfn); #Put out form used for printing/deletion etc.
101:
102: my $numdir = 0;
103: my $numres = 0;
104:
105: # Start off the directory table.
106: $r->print('<h3>Directory Contents:</h3>');
107: $r->print('<table border="0" cellspacing="2" cellpadding="2"><tr>'.
108: '<th bgcolor="#DDDDDD">'.&mt('Type').'</th>'.
109: '<th bgcolor="#DDDDDD">'.&mt('Actions').'</th>'.
110: '<th bgcolor="#DDDDDD">'.&mt('Name').'</th>'.
111: '<th bgcolor="#DDDDDD">'.&mt('Title').'</th>'.
112: '<th bgcolor="#DDDDDD">'.&mt('Status').'</th>'.
113: '<th bgcolor="#DDDDDD">'.&mt('Last Modified').
114: '</th></tr>');
115:
116: my $filename;
117: my $dirptr=16384; # Mask indicating a directory in stat.cmode.
118:
119: opendir(DIR,$fn);
120: my @files=sort {uc($a) cmp uc($b)} (readdir(DIR));
121: foreach my $filename (@files) {
122: my ($cdev,$cino,$cmode,$cnlink,
123: $cuid,$cgid,$crdev,$csize,
124: $catime,$cmtime,$cctime,
125: $cblksize,$cblocks)=stat($fn.'/'.$filename);
126:
127: my $extension='';
128: if ($filename=~/\.(\w+)$/) { $extension=$1; }
129: if ($cmode&$dirptr) {
130: putdirectory($r, $thisdisfn, $linkdir, $filename, $cmtime,$targetdir,\%bombs,\$numdir);
131: } elsif (&Apache::loncommon::fileembstyle($extension) ne 'hdn') {
132: putresource($r, $udom, $uname, $filename, $thisdisfn, $resdir,
133: $targetdir, $linkdir, $cmtime,\%bombs,\$numres);
134: } else {
135: # "hidden" extension and not a directory, so hide it away.
136: }
137: }
138: closedir(DIR);
139:
140: $r->print('</table></body></html>');
141: return OK;
142: }
143: #
144: # Gets the effective URL of the request and returns it:
145: # $effn = getEffectiveUrl($r);
146: # $r - The Apache Request object.
147: sub getEffectiveUrl {
148: my $r = shift;
149: my $fn;
150:
151: if ($env{'form.filename'}) { # If a form filename is defined.
152: $fn=$env{'form.filename'};
153: #
154: # Replace the ~username of the URL with /home/username/public_html
155: # so that we don't have to worry about ~ expansion internally.
156: #
157: $fn=~s/^http\:\/\/[^\/]+\///;
158: $fn=~s/^\///;
159: $fn=~s/\~(\w+)/\/home\/$1\/public_html/;
160:
161: # Remove trailing / strings (?)
162:
163: $fn=~s/\/[^\/]+$//;
164: } else {
165: # If no form is defined, use request filename.
166: $fn = $r->filename();
167: my $lonDocRoot=$r->dir_config('lonDocRoot');
168: if ( $fn =~ /$lonDocRoot/ ) {
169: #internal authentication, needs fixup.
170: $fn = $r->uri(); # non users do not get the full path request
171: # through SCRIPT_FILENAME
172: $fn=~s|^/~(\w+)|/home/$1/public_html|;
173: }
174: }
175: $fn=~s/\/+/\//g;
176: return $fn;
177: }
178: #
179: # Output the header of the page. This includes:
180: # - The HTML header
181: # - The H1/H3 stuff which includes the directory.
182: #
183: # startpage($r, $uame, $udom, $thisdisfn);
184: # $r - The apache request object.
185: # $uname - User name.
186: # $udom - Domain name the user is logged in under.
187: # $thisdisfn - Displayable version of the filename.
188:
189: sub startpage {
190: my ($r, $uname, $udom, $thisdisfn) = @_;
191: my $currdir = '/priv/'.$uname.$thisdisfn;
192: &Apache::loncommon::content_type($r,'text/html');
193: $r->send_http_header;
194: my $html=&Apache::lonxml::xmlbegin();
195: $r->print($html.'<head><title>LON-CAPA Construction Space</title></head>');
196:
197: my $pagetitle;
198: my $formaction='/priv/'.$uname.$thisdisfn.'/';
199: $formaction=~s/\/+/\//g;
200: $pagetitle .= &Apache::loncommon::help_open_menu('','','','',3,'Authoring').
201: '<font face="Arial, Helvetica, sans-serif" size="+1"><b>Construction Space</b>:</font> '.
202: '<form name="dirs" method="post" action="'.$formaction.
203: '" target="_parent"><tt><b>'.
204: &Apache::lonhtmlcommon::crumbs($uname.$thisdisfn.'/','_top','/priv','','+1',1)."</b></tt><br />".
205: &Apache::lonhtmlcommon::select_recent('construct','recent',
206: 'this.form.action=this.form.recent.value;this.form.submit()').
207: '</form>';
208: &Apache::lonhtmlcommon::store_recent('construct',$formaction,$formaction);
209: if ($env{'environment.remote'} eq 'off') {
210: $env{'request.noversionuri'}=$currdir.'/';
211: $r->print(&Apache::loncommon::bodytag('Construction Space',undef,undef,undef,undef,undef,$pagetitle));
212: } else {
213: $r->print($pagetitle);
214: }
215: my $pubdirscript=(<<ENDPUBDIRSCRIPT);
216: <script type="text/javascript">
217: top.document.title = '$thisdisfn/ - LON-CAPA Construction Space';
218: // Store directory location for menu bar to find
219:
220: parent.lastknownpriv='/~$uname$thisdisfn/';
221:
222: // Confirmation dialogues
223:
224: function currdiract(theform) {
225: if (theform.dirtask.options[theform.dirtask.selectedIndex].value == 'publish') {
226: document.publishdir.filename.value = theform.filename.value;
227: document.publishdir.submit();
228: }
229: if (theform.dirtask.options[theform.dirtask.selectedIndex].value == 'editcat') {
230: top.location=theform.filename.value+'default.meta'
231: }
232: if (theform.dirtask.options[theform.dirtask.selectedIndex].value == 'printdir' ) {
233: document.printdir.postdata.value=theform.filename.value
234: document.printdir.submit();
235: }
236: }
237:
238: function checkUpload(theform) {
239: if (theform.file == '') {
240: alert("Please use 'Browse..' to choose a file first, before uploading")
241: return
242: }
243: theform.submit()
244: }
245:
246: function SetPubDir(theform,printForm) {
247: if (theform.diraction.options[theform.diraction.selectedIndex].value == "open") {
248: top.location = theform.openname.value
249: return
250: }
251: if (theform.diraction.options[theform.diraction.selectedIndex].value == "publish") {
252: theform.submit();
253: }
254: if (theform.diraction.options[theform.diraction.selectedIndex].value == "editcat") {
255: top.location=theform.filename.value+'default.meta'
256: }
257: if (theform.diraction.options[theform.diraction.selectedIndex].value == "printdir") {
258: theform.action = '/adm/printout'
259: theform.postdata.value = theform.filename.value
260: theform.submit()
261: }
262: return
263: }
264: function SetResChoice(theform) {
265: var activity = theform.reschoice.options[theform.reschoice.selectedIndex].value
266: if ((activity == 'rename') || (activity == 'copy') || (activity == 'move')) {
267: changename(theform,activity)
268: }
269: if (activity == 'publish') {
270: var pubform = document.pubresource
271: pubform.filename.value = theform.filename.value
272: pubform.submit()
273: }
274: if (activity == 'delete') {
275: var delform = document.delresource
276: delform.filename.value = theform.filename.value
277: delform.submit()
278: }
279: if (activity == 'obsolete') {
280: var pubform = document.pubresource
281: pubform.filename.value = theform.filename.value
282: alert("You will be taken to the publication page.\\nCheck the 'Obsolete' checkbox at the bottom of the page, and click 'Finalize Publication'.")
283: pubform.submit()
284: }
285: if (activity == 'print') {
286: document.printresource.postdata.value = theform.filename.value
287: document.printresource.submit()
288: }
289: if (activity == 'retrieve') {
290: document.retrieveres.filename.value = theform.filename.value
291: document.retrieveres.submit()
292: }
293: return
294: }
295: function changename(theform,activity) {
296: var newname=prompt('New Name');
297: if (newname == "" || !newname) {
298: return
299: }
300: document.moveresource.newfilename.value = newname
301: document.moveresource.filename.value = theform.filename.value
302: document.moveresource.action.value = activity
303: document.moveresource.submit();
304: }
305: </script>
306: ENDPUBDIRSCRIPT
307: $r->print($pubdirscript);
308:
309: if ((($uname ne $env{'user.name'}) || ($udom ne $env{'user.domain'})) &&
310: $env{'environment.remote'} ne 'off') {
311: $r->print('<h3>'.&mt('Co-Author').': '.$uname.' at '.$udom.
312: '</h3>');
313: }
314: }
315:
316: sub dircontrols {
317: my ($r,$uname,$udom,$thisdisfn) = @_;
318: $r->print(<<END);
319: <table cellspacing="4" cellpadding="4" width="100%">
320: <tr>
321: <td bgcolor="#DDDDDD" align="middle"><font face="Arial, Helvetica, sans-serif" size="-1"><b>Actions for current directory</b></font></td>
322: <td bgcolor="#DDDDDD" align="middle"><font face="Arial, Helvetica, sans-serif" size="-1"><b>Upload a new document</b></font></td>
323: <td bgcolor="#DDDDDD" align="middle"><font face="Arial, Helvetica, sans-serif" size="-1"><b>Create a new directory or LON-CAPA document</b></font></td>
324: </tr>
325: <tr>
326: <td bgcolor="#ccddaa" valign="top" align="center">
327: <form name="curractions" method="post" action="">
328: <select name="dirtask" onChange="currdiract(this.form)">
329: <option>Select action</option>
330: <option value="publish">Publish directory</option>
331: <option value="editcat">Edit catalog information</option>
332: <option value="printdir">Print contents of directory</option>
333: </select>
334: <input type="hidden" name="filename" value="/~$uname$thisdisfn/" />
335: </form>
336: <form name="publishdir" method="post" action="/adm/publish" target="_parent">
337: <input type="hidden" name="pubrec" value="" />
338: <input type="hidden" name="filename" value="" />
339: </form>
340: <form name="printdir" method="post" action="/adm/printout" target="_parent">
341: <input type="hidden" name="postdata" value="" />
342: </form>
343: </td>
344: <td bgcolor="#ccddaa" valign="top" align="center">
345: <form name="upublisher" enctype="multipart/form-data" method="post" action="/adm/upload" target="_parent">
346: <input type="hidden" name="filename" value="/~$uname$thisdisfn/" />
347: <input type="file" name="upfile" size="20" />
348: <input type="button" value="Upload file" onclick="checkUpload(this.form)" />
349: </form>
350: </td>
351: <td bgcolor="#ccddaa" align="center">
352: <form name="fileaction" method="post" action="/adm/cfile" target="_parent">
353: <nobr>
354: <input type="hidden" name="filename" value="/~$uname$thisdisfn/" />
355: <select name="action">
356: <option>Select Action</option>
357: <option value="newfile">New file:</option>
358: <option value="newhtmlfile">New HTML file:</option>
359: <option value="newproblemfile">New problem:</option>
360: <option value="newpagefile">New assembled page:</option>
361: <option value="newsequencefile">New assembled sequence:</option>
362: <option value="newrightsfile">New custom rights file:</option>
363: <option value="newstyfile">New style file:</option>
364: <option value="newdir">New subdirectory:</option>
365: </select> <input type="text" name="newfilename" value="Type Name Here" onfocus="if (this.value == 'Type Name Here') this.value=''" /> <input type="button" value="Go" onclick="document.fileaction.submit()" />
366: </nobr>
367: </form>
368: </td>
369: </tr>
370: </table>
371: END
372: }
373:
374: sub pubbuttons {
375: my ($r,$uname,$thisdisfn) = @_;
376: $r->print('<form method="post" action="/adm/publish" target="_parent">'.
377: '<table><tr><td><input type="hidden" name="filename" value="/~'.
378: $uname.$thisdisfn.'/" />'.
379: '<input type="submit" value="'.&mt('Publish Directory').'" /></td><td>'.
380: '<input type="button" onClick="window.location='."'/~".
381: $uname.$thisdisfn."/default.meta'".'" value="'.
382: &mt('Edit Directory Catalog Information').'" /></td></tr></table></form>');
383: }
384:
385: sub resourceactions {
386: my ($r,$uname,$udom,$thisdisfn) = @_;
387: $r->print(<<END);
388: <form name="moveresource" action="/adm/cfile" target="_parent" method="post">
389: <input type="hidden" name="filename" value="" />
390: <input type="hidden" name="newfilename" value="" />
391: <input type="hidden" name="action" value="" />
392: </form>
393: <form name="delresource" action="/adm/cfile" target="_parent" method="post">
394: <input type="hidden" name="filename" value="" />
395: <input type="hidden" name="action" value="delete" />
396: </form>
397: <form name="pubresource" action="/adm/publish" target="_parent" method="post">
398: <input type="hidden" name="filename" value="" />
399: </form>
400: <form name="printresource" action="/adm/printout" target="_parent" method="post">
401: <input type="hidden" name="postdata" value="" />
402: </form>
403: <form name="retrieveres" action="/adm/retrieve" target="_parent" method="post">
404: <input type="hidden" name="filename" value="" />
405: </form>
406: END
407: }
408:
409: #
410: # Get the title string or "[untitled]" if the file has no title metadata:
411: # Without the latter substitution, it's impossible to examine metadata for
412: # untitled resources. Resources may be legitimately untitled, to prevent
413: # searches from locating them.
414: #
415: # $str = getTitleString($fullname);
416: # $fullname - Fully qualified filename to check.
417: #
418: sub getTitleString {
419: my $fullname = shift;
420: my $title = &Apache::lonnet::metadata($fullname, 'title');
421:
422: unless ($title) {
423: $title = "[".&mt('untitled')."]";
424: }
425: return $title;
426: }
427:
428: sub getCopyRightString {
429: my $fullname = shift;
430: return &Apache::lonnet::metadata($fullname, 'copyright');
431: }
432:
433: sub getSourceRightString {
434: my $fullname = shift;
435: return &Apache::lonnet::metadata($fullname, 'sourceavail');
436: }
437: #
438: # Put out a directory table row:
439: # putdirectory(r, base, here, dirname, modtime)
440: # r - Apache request object.
441: # reqfile - File in request.
442: # here - Where we are in directory tree.
443: # dirname - Name of directory special file.
444: # modtime - Encoded modification time.
445: #
446: sub putdirectory {
447: my ($r, $reqfile, $here, $dirname, $modtime, $resdir, $bombs, $numdir) = @_;
448: # construct the display filename: the directory name unless ..:
449:
450: my $disfilename = $dirname;
451: if ($dirname eq '..') {
452: $disfilename = '<i>'.&mt('Parent Directory').'</i>';
453: }
454: unless ( (($dirname eq '..') && ($reqfile eq '')) || ($dirname eq '.')) {
455: my $kaputt=0;
456: foreach (keys %{$bombs}) {
457: if ($_=~m:^\Q$resdir\E/\Q$disfilename\E/:) { $kaputt=1; last; }
458: }
459: %Apache::lonpublisher::metadatafields=();
460: %Apache::lonpublisher::metadatakeys=();
461: my $construct=$here;
462: $construct=~s:^/priv/(\w+)$:/home/$1/public_html:;
463: my $dirpath = $here;
464: $dirpath=~s:^/priv/:/~:;
465: &Apache::lonpublisher::metaeval(&Apache::lonnet::getfile(
466: $construct.'/'.$dirname.'/default.meta'
467: ));
468: my $actionitem = '';
469: if ($dirname eq '..') {
470: $actionitem = 'Go to ...';
471: } else {
472: $actionitem =
473: '<form name="dirselect_'.$$numdir.
474: '" action="/adm/publish" target="_parent">'.
475: '<select name="diraction" onChange="SetPubDir(this.form,document)">'.
476: '<option selected="selected">'.&mt('Select action').'</option>'.
477: '<option value="open">'.&mt('Open').'</option>'.
478: '<option value="publish">'.&mt('Publish').'</option>'.
479: '<option value="publishsub">'.&mt('Publish with subdirectories').'</option>'.
480: '<option value="editcat">'.&mt('Edit catalog information').'</option>'.
481: '<option value="printdir">'.&mt('Print directory').'</option>'.
482: '</select>'.
483: '<input type="hidden" name="filename" value="'.$dirpath.'/'.$dirname.'/" />'.
484: '<input type="hidden" name="openname" value="'.$here.'/'.$dirname.'/" />'.
485: '<input type="hidden" name="postdata" value="" />'.
486: '</form>';
487: $$numdir ++;
488: }
489: $r->print('<tr bgcolor="#CCCCFF">'.
490: '<td><img src="'.
491: $Apache::lonnet::perlvar{'lonIconsURL'}.'/folder_closed.gif" /></td>'.
492: '<td>'.$actionitem.'</td>'.
493: '<td><font face="arial"><a href="'.$here.'/'.$dirname.'/" target="_parent">'.
494: $disfilename.'</a></font></td>'.
495: '<td colspan="2">'.($kaputt?&Apache::lonhtmlcommon::authorbombs($resdir.'/'.$disfilename.'/'):'').$Apache::lonpublisher::metadatafields{'title'}.' <i>'.
496: $Apache::lonpublisher::metadatafields{'subject'}.'</i> '.
497: $Apache::lonpublisher::metadatafields{'keywords'}.'</td>'.
498: '<td>'.&Apache::lonlocal::locallocaltime($modtime).'</td>'.
499: "</tr>\n");
500: }
501: return OK;
502: }
503: #
504: # Put a table row for a file resource.
505: #
506: sub putresource {
507: my ($r, $udom, $uname, $filename, $thisdisfn,
508: $resdir, $targetdir, $linkdir,
509: $cmtime,$bombs,$numres) = @_;
510: my $pubstatus = 'unpublished';
511: my $status=&mt('Unpublished');
512: my $bgcolor='#FFAA99';
513: my $title=' ';
514: my $publish_button=&mt('Publish');
515: # my $action_buttons=
516: # '<br /><a target="_parent" href="/adm/cfile?action=delete&filename=/~'.
517: # $uname.'/'.$thisdisfn.'/'.$filename.'">'.
518: # &mt('Delete').'</a>';
519: if (-e $resdir.'/'.$filename) {
520: my ($rdev,$rino,$rmode,$rnlink,
521: $ruid,$rgid,$rrdev,$rsize,
522: $ratime,$rmtime,$rctime,
523: $rblksize,$rblocks)=stat($resdir.'/'.$filename);
524: $publish_button=&mt('Re-publish');
525: if ($rmtime>=$cmtime) {
526: $pubstatus = 'published';
527: $status=&mt('Published').'<br />'.
528: &mt(&getCopyRightString($targetdir.'/'.$filename)).' '.
529: &mt(&getSourceRightString($targetdir.'/'.$filename));
530: $bgcolor='#CCFF88';
531: if (&Apache::lonnet::metadata($targetdir.'/'.$filename,'obsolete')) {
532: $pubstatus = 'obsolete';
533: $status=&mt('Obsolete');
534: $bgcolor='#AAAAAA';
535: }
536: # } else {
537: # $action_buttons='';
538: # }
539: $title='<a href="/res/'.$targetdir.'/'.$filename.
540: '.meta" target="cat">'.
541: &getTitleString($targetdir.'/'.$filename).'</a>';
542: } else {
543: $pubstatus = 'modified';
544: $status=&mt('Modified').'<br />'.
545: &mt(&getCopyRightString($targetdir.'/'.$filename)).' '.
546: &mt(&getSourceRightString($targetdir.'/'.$filename));
547: $bgcolor='#FFFF77';
548: # $action_buttons='';
549: $title='<a href="/res/'.$targetdir.'/'.$filename.'.meta" target="cat">'.
550: &getTitleString($targetdir.'/'.$filename).'</a>';
551: if (&Apache::loncommon::fileembstyle(($filename=~/\.(\w+)$/)) eq 'ssi') {
552: $status.='<br /><a href="/adm/diff?filename=/~'.$uname.
553: $thisdisfn.'/'.$filename.
554: '&versiontwo=priv" target="cat">'.&mt('Diffs').'</a>';
555: }
556: }
557: $title.="\n".'<br /><a href="/~'.$uname.$thisdisfn.'/'.$filename.'.meta">'.
558: ($$bombs{$targetdir.'/'.$filename}?'<img src="/adm/lonMisc/bomb.gif" border="0" />':'Edit Metadata').'</a>';
559: $status.="\n".'<br /><a href="/adm/retrieve?filename=/~'.$uname.
560: $thisdisfn.'/'.$filename.'" target="_parent">'.&mt('Retrieve').'</a>';
561: }
562: my $editlink='';
563: my $editlink2='';
564: if ($filename=~/\.(xml|html|htm|xhtml|xhtm|sty)$/) {
565: $editlink=' <br />(<a href="'.$linkdir.'/'.$filename.'?forceedit=1" target="_parent">'.&mt('Edit').'</a>)';
566: }
567: if ($filename=~/\.(problem|exam|quiz|assess|survey|form|library)$/) {
568: $editlink=' (<a href="'.$linkdir.'/'.$filename.'?forceedit=1" target="_parent">'.&mt('EditXML').'</a>)';
569: $editlink2=' <br />(<a href="'.$linkdir.'/'.$filename.'?forceColoredit=1" target="_parent">'.&mt('Edit').'</a>)';
570: }
571: if ($filename=~/\.(zip|tar|bz2|gz|tar.gz|tar.bz2|tgz)$/) {
572: $editlink=' (<a target="_parent" href="/adm/cfile?decompress=/~'.
573: $uname.$thisdisfn.'/'.$filename.'">'.&mt('Decompress').'</a>)';
574: }
575: my $pub_select = '';
576: &create_pubselect($r,\$pub_select,$udom,$uname,$thisdisfn,$filename,$resdir,$pubstatus,$publish_button,$numres);
577: $r->print('<tr bgcolor="'.$bgcolor.'">'.
578: '<td>'.($filename=~/[\#\~]$/?' ':
579: '<img src="'.&Apache::loncommon::icon($filename).'" /></td>').
580: '<td>'.$pub_select.'</td>'.
581: '<td><font face="arial">'.
582: '<a href="'.$linkdir.'/'.$filename.'" target="_parent">'.
583: $filename.'</a></font>'.$editlink2.$editlink.
584: '</td>'.
585: '<td>'.$title.'</td>'.
586: '<td>'.$status.'</td>'.
587: '<td>'.&Apache::lonlocal::locallocaltime($cmtime).'</td>'.
588: "</tr>\n");
589: return OK;
590: }
591:
592: sub create_pubselect {
593: my ($r,$pub_select,$udom,$uname,$thisdisfn,$filename,$resdir,$pubstatus,$publish_button,$numres) = @_;
594: $$pub_select = '
595: <form name="resselect_'.$$numres.'" action="">
596: <select name="reschoice" onChange="SetResChoice(this.form)">
597: <option>'.&mt('Select action').'</option>'.
598: '<option value="copy">'.&mt('Copy').'</option>';
599: if ($pubstatus eq 'obsolete' || $pubstatus eq 'unpublished') {
600: $$pub_select .=
601: '<option value="rename">'.&mt('Rename').'</option>'.
602: '<option value="move">'.&mt('Move').'</option>'.
603: '<option value="delete">'.&mt('Delete').'</option>';
604: } else {
605: $$pub_select .= '
606: <option value="obsolete">'.&mt('Mark obsolete').'</option>';
607: }
608: # check for versions
609: my $versions = &check_for_versions($r,'/'.$filename,$udom,$uname);
610: if ($versions > 0) {
611: $$pub_select .='
612: <option value="retrieve">'.&mt('Retrieve old version').'</option>';
613: }
614: $$pub_select .= '
615: <option value="publish">'.$publish_button.'</option>'.
616: '<option value="print">'.&mt('Print').'</option>'.
617: '</select>
618: <input type="hidden" name="filename" value="/~'.
619: $uname.$thisdisfn.'/'.$filename.'" /></form>';
620: $$numres ++;
621: }
622:
623: sub check_for_versions {
624: my ($r,$fn,$udom,$uname) = @_;
625: my $versions = 0;
626: my $docroot=$r->dir_config('lonDocRoot');
627: my $resfn=$docroot.'/res/'.$udom.'/'.$uname.$fn;
628: my $resdir=$resfn;
629: $resdir=~s/\/[^\/]+$/\//;
630: $fn=~/\/([^\/]+)\.(\w+)$/;
631: my $main=$1;
632: my $suffix=$2;
633: opendir(DIR,$resdir);
634: while (my $filename=readdir(DIR)) {
635: if ($filename=~/^\Q$main\E\.(\d+)\.\Q$suffix\E$/) {
636: $versions ++;
637: }
638: }
639: return $versions;
640: }
641:
642: #
643: # Categorize files in the directory.
644: # For each file in a list of files in a file directory,
645: # the file categorized as one of:
646: # - directory
647: # - sequence
648: # - problem
649: # - Other resource.
650: #
651: # For each file the modification date is determined as well.
652: # Returned is a list of sublists:
653: # (directories, sequences, problems, other)
654: # each of the sublists contains entries of the following form (sorted by
655: # filename):
656: # (filename, typecode, lastmodtime)
657: #
658: # $list = CategorizeFiles($location, $files)
659: # $location - Directory in which the files live (relative to our
660: # execution.
661: # $files - list of files.
662: #
663: sub CategorizeFiles {
664: my $location = shift;
665: my $files = shift;
666: }
667:
668: 1;
669: __END__
670:
671: =head1 NAME
672:
673: Apache::lonpubdir - Construction space directory lister
674:
675: =head1 SYNOPSIS
676:
677: Invoked (for various locations) by /etc/httpd/conf/srm.conf:
678:
679: <LocationMatch "^/\~.*/$">
680: PerlAccessHandler Apache::loncacc
681: SetHandler perl-script
682: PerlHandler Apache::lonpubdir
683: ErrorDocument 403 /adm/login
684: ErrorDocument 404 /adm/notfound.html
685: ErrorDocument 406 /adm/unauthorized.html
686: ErrorDocument 500 /adm/errorhandler
687: </LocationMatch>
688:
689: <Location /adm/pubdir>
690: PerlAccessHandler Apache::lonacc
691: SetHandler perl-script
692: PerlHandler Apache::lonpubdir
693: ErrorDocument 403 /adm/login
694: ErrorDocument 404 /adm/notfound.html
695: ErrorDocument 406 /adm/unauthorized.html
696: ErrorDocument 500 /adm/errorhandler
697: </Location>
698:
699: =head1 INTRODUCTION
700:
701: This module publishes a directory of files.
702:
703: This is part of the LearningOnline Network with CAPA project
704: described at http://www.lon-capa.org.
705:
706: =head1 HANDLER SUBROUTINE
707:
708: This routine is called by Apache and mod_perl.
709:
710: =over 4
711:
712: =item *
713:
714: read in information
715:
716: =item *
717:
718: start page output
719:
720: =item *
721:
722: run through list of files and attempt to publish unhidden files
723:
724: =back
725:
726: =cut
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