1: # The LearningOnline Network with CAPA
2: # Construction Space Directory Lister
3: #
4: # $Id: lonpubdir.pm,v 1.78 2005/04/07 06:56:26 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: } 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: pubdir(document.publishdir)
228: }
229: if (theform.dirtask.options[theform.dirtask.selectedIndex].value == 'publishsub') {
230: document.publishdir.filename.value = theform.filename.value
231: pubrecdir(document.publishdir)
232: }
233: if (theform.dirtask.options[theform.dirtask.selectedIndex].value == 'editcat') {
234: top.location=theform.filename.value+'default.meta'
235: }
236: if (theform.dirtask.options[theform.dirtask.selectedIndex].value == 'printdir' ) {
237: document.printdir.postdata.value=theform.filename.value
238: document.printdir.submit();
239: }
240: }
241:
242: function pubdir(theform) {
243: if (confirm('Publish complete directory?')) {
244: forcepub(theform)
245: theform.submit();
246: }
247: }
248: function pubrecdir(theform) {
249: if (confirm('Publish directory and all subdirectories?')) {
250: forcepub(theform);
251: theform.pubrec.value='1';
252: theform.submit();
253: }
254: }
255:
256: function forcepub(theform) {
257: if (confirm('Force publication of unmodified files? - Cancel=No; OK=yes.')) {
258: theform.forcerepub.value="ON";
259: }
260: }
261:
262: function checkUpload(theform) {
263: if (theform.file == '') {
264: alert("Please use 'Browse..' to choose a file first, before uploading")
265: return
266: }
267: theform.submit()
268: }
269:
270: function SetPubDir(theform,printForm) {
271: if (theform.diraction.options[theform.diraction.selectedIndex].value == "open") {
272: top.location = theform.openname.value
273: return
274: }
275: if (theform.diraction.options[theform.diraction.selectedIndex].value == "publish") {
276: pubdir(theform)
277: }
278: if (theform.diraction.options[theform.diraction.selectedIndex].value == "publishsub") {
279: pubrecdir(theform)
280: }
281: if (theform.diraction.options[theform.diraction.selectedIndex].value == "editcat") {
282: top.location=theform.filename.value+'default.meta'
283: }
284: if (theform.diraction.options[theform.diraction.selectedIndex].value == "printdir") {
285: theform.action = '/adm/printout'
286: theform.postdata.value = theform.filename.value
287: theform.submit()
288: }
289: return
290: }
291: function SetResChoice(theform) {
292: var activity = theform.reschoice.options[theform.reschoice.selectedIndex].value
293: if ((activity == 'rename') || (activity == 'copy') || (activity == 'move')) {
294: changename(theform,activity)
295: }
296: if (activity == 'publish') {
297: var pubform = document.pubresource
298: pubform.filename.value = theform.filename.value
299: pubform.submit()
300: }
301: if (activity == 'delete') {
302: var delform = document.delresource
303: delform.filename.value = theform.filename.value
304: delform.submit()
305: }
306: if (activity == 'obsolete') {
307: var pubform = document.pubresource
308: pubform.filename.value = theform.filename.value
309: alert("You will be taken to the publication page.\\nCheck the 'Obsolete' checkbox at the bottom of the page, and click 'Finalize Publication'.")
310: pubform.submit()
311: }
312: if (activity == 'print') {
313: document.printresource.postdata.value = theform.filename.value
314: document.printresource.submit()
315: }
316: if (activity == 'retrieve') {
317: document.retrieveres.filename.value = theform.filename.value
318: document.retrieveres.submit()
319: }
320: return
321: }
322: function changename(theform,activity) {
323: var newname=prompt('New Name');
324: if (newname == "" || !newname) {
325: return
326: }
327: document.moveresource.newfilename.value = newname
328: document.moveresource.filename.value = theform.filename.value
329: document.moveresource.action.value = activity
330: document.moveresource.submit();
331: }
332: </script>
333: ENDPUBDIRSCRIPT
334: $r->print($pubdirscript);
335:
336: if ((($uname ne $env{'user.name'}) || ($udom ne $env{'user.domain'})) &&
337: $env{'environment.remote'} ne 'off') {
338: $r->print('<h3>'.&mt('Co-Author').': '.$uname.' at '.$udom.
339: '</h3>');
340: }
341: }
342:
343: sub dircontrols {
344: my ($r,$uname,$udom,$thisdisfn) = @_;
345: $r->print(<<END);
346: <table cellspacing="4" cellpadding="4" width="100%">
347: <tr>
348: <td bgcolor="#DDDDDD" align="middle"><font face="Arial, Helvetica, sans-serif" size="-1"><b>Actions for current directory</b></font></td>
349: <td bgcolor="#DDDDDD" align="middle"><font face="Arial, Helvetica, sans-serif" size="-1"><b>Upload a new document</b></font></td>
350: <td bgcolor="#DDDDDD" align="middle"><font face="Arial, Helvetica, sans-serif" size="-1"><b>Create a new directory or LON-CAPA document</b></font></td>
351: </tr>
352: <tr>
353: <td bgcolor="#ccddaa" valign="top" align="center">
354: <form name="curractions" method="post" action="">
355: <select name="dirtask" onChange="currdiract(this.form)">
356: <option>Select action</option>
357: <option value="publish">Publish directory</option>
358: <option value="publishsub">Publish with subdirectories</option>
359: <option value="editcat">Edit catalog information</option>
360: <option value="printdir">Print contents of directory</option>
361: </select>
362: <input type="hidden" name="filename" value="/~$uname$thisdisfn/" />
363: </form>
364: <form name="publishdir" method="post" action="/adm/publish" target="_parent">
365: <input type="hidden" name="pubrec" value="" />
366: <input type="hidden" name="filename" value="" />
367: <input type="hidden" name="forcerepub" value="NO" />
368: </form>
369: <form name="printdir" method="post" action="/adm/printout" target="_parent">
370: <input type="hidden" name="postdata" value="" />
371: </form>
372: </td>
373: <td bgcolor="#ccddaa" valign="top" align="center">
374: <form name="upublisher" enctype="multipart/form-data" method="post" action="/adm/upload" target="_parent">
375: <input type="hidden" name="filename" value="/~$uname$thisdisfn/" />
376: <input type="file" name="upfile" size="20" />
377: <input type="button" value="Upload file" onclick="checkUpload(this.form)" />
378: </form>
379: </td>
380: <td bgcolor="#ccddaa" align="center">
381: <form name="fileaction" method="post" action="/adm/cfile" target="_parent">
382: <nobr>
383: <input type="hidden" name="filename" value="/~$uname$thisdisfn/" />
384: <select name="action">
385: <option>Select Action</option>
386: <option value="newfile">New file:</option>
387: <option value="newhtmlfile">New HTML file:</option>
388: <option value="newproblemfile">New problem:</option>
389: <option value="newpagefile">New assembled page:</option>
390: <option value="newsequencefile">New assembled sequence:</option>
391: <option value="newrightsfile">New custom rights file:</option>
392: <option value="newstyfile">New style file:</option>
393: <option value="newdir">New subdirectory:</option>
394: </select> <input type="text" name="newfilename" value="Type Name Here" onfocus="if (this.value == 'Type Name Here') this.value=''" /> <input type="button" value="Go" onclick="document.fileaction.submit()" />
395: </nobr>
396: </form>
397: </td>
398: </tr>
399: </table>
400: END
401: }
402:
403: sub pubbuttons {
404: my ($r,$uname,$thisdisfn) = @_;
405: $r->print('<form method="post" action="/adm/publish" target="_parent">'.
406: '<table><tr><td><input type="hidden" name="filename" value="/~'.
407: $uname.$thisdisfn.'/" />'.
408: '<input type="button" onClick="pubdir(this.form);" value="'.
409: &mt('Publish Directory').'" />'.
410: '<input type="hidden" name="pubrec" value="" />'.
411: '<input type="hidden" name="forcerepub" value="NO" />'.
412: '<input type="button" onClick="pubrecdir(this.form);" value="'.
413: &mt('Publish Directory and Sub Directories').'" /></td><td>'.
414: '<input type="button" onClick="window.location='."'/~".
415: $uname.$thisdisfn."/default.meta'".'" value="'.
416: &mt('Edit Directory Catalog Information').'" /></td></tr></table></form>');
417: }
418:
419: sub resourceactions {
420: my ($r,$uname,$udom,$thisdisfn) = @_;
421: $r->print(<<END);
422: <form name="moveresource" action="/adm/cfile" target="_parent" method="post">
423: <input type="hidden" name="filename" value="" />
424: <input type="hidden" name="newfilename" value="" />
425: <input type="hidden" name="action" value="" />
426: </form>
427: <form name="delresource" action="/adm/cfile" target="_parent" method="post">
428: <input type="hidden" name="filename" value="" />
429: <input type="hidden" name="action" value="delete" />
430: </form>
431: <form name="pubresource" action="/adm/publish" target="_parent" method="post">
432: <input type="hidden" name="pubrec" value="" />
433: <input type="hidden" name="filename" value="" />
434: <input type="hidden" name="forcerepub" value="NO" />
435: </form>
436: <form name="printresource" action="/adm/printout" target="_parent" method="post">
437: <input type="hidden" name="postdata" value="" />
438: </form>
439: <form name="retrieveres" action="/adm/retrieve" target="_parent" method="post">
440: <input type="hidden" name="filename" value="" />
441: </form>
442: END
443: }
444:
445: #
446: # Get the title string or "[untitled]" if the file has no title metadata:
447: # Without the latter substitution, it's impossible to examine metadata for
448: # untitled resources. Resources may be legitimately untitled, to prevent
449: # searches from locating them.
450: #
451: # $str = getTitleString($fullname);
452: # $fullname - Fully qualified filename to check.
453: #
454: sub getTitleString {
455: my $fullname = shift;
456: my $title = &Apache::lonnet::metadata($fullname, 'title');
457:
458: unless ($title) {
459: $title = "[".&mt('untitled')."]";
460: }
461: return $title;
462: }
463:
464: sub getCopyRightString {
465: my $fullname = shift;
466: return &Apache::lonnet::metadata($fullname, 'copyright');
467: }
468:
469: sub getSourceRightString {
470: my $fullname = shift;
471: return &Apache::lonnet::metadata($fullname, 'sourceavail');
472: }
473: #
474: # Put out a directory table row:
475: # putdirectory(r, base, here, dirname, modtime)
476: # r - Apache request object.
477: # reqfile - File in request.
478: # here - Where we are in directory tree.
479: # dirname - Name of directory special file.
480: # modtime - Encoded modification time.
481: #
482: sub putdirectory {
483: my ($r, $reqfile, $here, $dirname, $modtime, $resdir, $bombs, $numdir) = @_;
484: # construct the display filename: the directory name unless ..:
485:
486: my $disfilename = $dirname;
487: if ($dirname eq '..') {
488: $disfilename = '<i>'.&mt('Parent Directory').'</i>';
489: }
490: unless ( (($dirname eq '..') && ($reqfile eq '')) || ($dirname eq '.')) {
491: my $kaputt=0;
492: foreach (keys %{$bombs}) {
493: if ($_=~m:^\Q$resdir\E/\Q$disfilename\E/:) { $kaputt=1; last; }
494: }
495: %Apache::lonpublisher::metadatafields=();
496: %Apache::lonpublisher::metadatakeys=();
497: my $construct=$here;
498: $construct=~s:^/priv/(\w+)$:/home/$1/public_html:;
499: my $dirpath = $here;
500: $dirpath=~s:^/priv/:/~:;
501: &Apache::lonpublisher::metaeval(&Apache::lonnet::getfile(
502: $construct.'/'.$dirname.'/default.meta'
503: ));
504: my $actionitem = '';
505: if ($dirname eq '..') {
506: $actionitem = 'Go to ...';
507: } else {
508: $actionitem =
509: '<form name="dirselect_'.$$numdir.
510: '" action="/adm/publish" target="_parent">'.
511: '<select name="diraction" onChange="SetPubDir(this.form,document)">'.
512: '<option selected="selected">'.&mt('Select action').'</option>'.
513: '<option value="open">'.&mt('Open').'</option>'.
514: '<option value="publish">'.&mt('Publish').'</option>'.
515: '<option value="publishsub">'.&mt('Publish with subdirectories').'</option>'.
516: '<option value="editcat">'.&mt('Edit catalog information').'</option>'.
517: '<option value="printdir">'.&mt('Print directory').'</option>'.
518: '</select>'.
519: '<input type="hidden" name="filename" value="'.$dirpath.'/'.$dirname.'/" />'.
520: '<input type="hidden" name="openname" value="'.$here.'/'.$dirname.'/" />'.
521: '<input type="hidden" name="pubrec" value="" />'.
522: '<input type="hidden" name="forcerepub" value="" />'.
523: '<input type="hidden" name="postdata" value="" />'.
524: '</form>';
525: $$numdir ++;
526: }
527: $r->print('<tr bgcolor="#CCCCFF">'.
528: '<td><img src="'.
529: $Apache::lonnet::perlvar{'lonIconsURL'}.'/folder_closed.gif" /></td>'.
530: '<td>'.$actionitem.'</td>'.
531: '<td><font face="arial"><a href="'.$here.'/'.$dirname.'/" target="_parent">'.
532: $disfilename.'</a></font></td>'.
533: '<td colspan="2">'.($kaputt?&Apache::lonhtmlcommon::authorbombs($resdir.'/'.$disfilename.'/'):'').$Apache::lonpublisher::metadatafields{'title'}.' <i>'.
534: $Apache::lonpublisher::metadatafields{'subject'}.'</i> '.
535: $Apache::lonpublisher::metadatafields{'keywords'}.'</td>'.
536: '<td>'.&Apache::lonlocal::locallocaltime($modtime).'</td>'.
537: "</tr>\n");
538: }
539: return OK;
540: }
541: #
542: # Put a table row for a file resource.
543: #
544: sub putresource {
545: my ($r, $udom, $uname, $filename, $thisdisfn,
546: $resdir, $targetdir, $linkdir,
547: $cmtime,$bombs,$numres) = @_;
548: my $pubstatus = 'unpublished';
549: my $status=&mt('Unpublished');
550: my $bgcolor='#FFAA99';
551: my $title=' ';
552: my $publish_button=&mt('Publish');
553: # my $action_buttons=
554: # '<br /><a target="_parent" href="/adm/cfile?action=delete&filename=/~'.
555: # $uname.'/'.$thisdisfn.'/'.$filename.'">'.
556: # &mt('Delete').'</a>';
557: if (-e $resdir.'/'.$filename) {
558: my ($rdev,$rino,$rmode,$rnlink,
559: $ruid,$rgid,$rrdev,$rsize,
560: $ratime,$rmtime,$rctime,
561: $rblksize,$rblocks)=stat($resdir.'/'.$filename);
562: $publish_button=&mt('Re-publish');
563: if ($rmtime>=$cmtime) {
564: $pubstatus = 'published';
565: $status=&mt('Published').'<br />'.
566: &mt(&getCopyRightString($targetdir.'/'.$filename)).' '.
567: &mt(&getSourceRightString($targetdir.'/'.$filename));
568: $bgcolor='#CCFF88';
569: if (&Apache::lonnet::metadata($targetdir.'/'.$filename,'obsolete')) {
570: $pubstatus = 'obsolete';
571: $status=&mt('Obsolete');
572: $bgcolor='#AAAAAA';
573: }
574: # } else {
575: # $action_buttons='';
576: # }
577: $title='<a href="/res/'.$targetdir.'/'.$filename.
578: '.meta" target="cat">'.
579: &getTitleString($targetdir.'/'.$filename).'</a>';
580: } else {
581: $pubstatus = 'modified';
582: $status=&mt('Modified').'<br />'.
583: &mt(&getCopyRightString($targetdir.'/'.$filename)).' '.
584: &mt(&getSourceRightString($targetdir.'/'.$filename));
585: $bgcolor='#FFFF77';
586: # $action_buttons='';
587: $title='<a href="/res/'.$targetdir.'/'.$filename.'.meta" target="cat">'.
588: &getTitleString($targetdir.'/'.$filename).'</a>';
589: if (&Apache::loncommon::fileembstyle(($filename=~/\.(\w+)$/)) eq 'ssi') {
590: $status.='<br /><a href="/adm/diff?filename=/~'.$uname.
591: $thisdisfn.'/'.$filename.
592: '&versiontwo=priv" target="cat">'.&mt('Diffs').'</a>';
593: }
594: }
595: $title.="\n".'<br /><a href="/~'.$uname.$thisdisfn.'/'.$filename.'.meta">'.
596: ($$bombs{$targetdir.'/'.$filename}?'<img src="/adm/lonMisc/bomb.gif" border="0" />':'Edit Metadata').'</a>';
597: $status.="\n".'<br /><a href="/adm/retrieve?filename=/~'.$uname.
598: $thisdisfn.'/'.$filename.'" target="_parent">'.&mt('Retrieve').'</a>';
599: }
600: my $editlink='';
601: my $editlink2='';
602: if ($filename=~/\.(xml|html|htm|xhtml|xhtm|sty)$/) {
603: $editlink=' <br />(<a href="'.$linkdir.'/'.$filename.'?forceedit=1" target="_parent">'.&mt('Edit').'</a>)';
604: }
605: if ($filename=~/\.(problem|exam|quiz|assess|survey|form|library)$/) {
606: $editlink=' (<a href="'.$linkdir.'/'.$filename.'?forceedit=1" target="_parent">'.&mt('EditXML').'</a>)';
607: $editlink2=' <br />(<a href="'.$linkdir.'/'.$filename.'?forceColoredit=1" target="_parent">'.&mt('Edit').'</a>)';
608: }
609: if ($filename=~/\.(zip|tar|bz2|gz|tar.gz|tar.bz2|tgz)$/) {
610: $editlink=' (<a target="_parent" href="/adm/cfile?decompress=/~'.
611: $uname.$thisdisfn.'/'.$filename.'">'.&mt('Decompress').'</a>)';
612: }
613: my $pub_select = '';
614: &create_pubselect($r,\$pub_select,$udom,$uname,$thisdisfn,$filename,$resdir,$pubstatus,$publish_button,$numres);
615: $r->print('<tr bgcolor="'.$bgcolor.'">'.
616: '<td>'.($filename=~/[\#\~]$/?' ':
617: '<img src="'.&Apache::loncommon::icon($filename).'" /></td>').
618: '<td>'.$pub_select.'</td>'.
619: '<td><font face="arial">'.
620: '<a href="'.$linkdir.'/'.$filename.'" target="_parent">'.
621: $filename.'</a></font>'.$editlink2.$editlink.
622: '</td>'.
623: '<td>'.$title.'</td>'.
624: '<td>'.$status.'</td>'.
625: '<td>'.&Apache::lonlocal::locallocaltime($cmtime).'</td>'.
626: "</tr>\n");
627: return OK;
628: }
629:
630: sub create_pubselect {
631: my ($r,$pub_select,$udom,$uname,$thisdisfn,$filename,$resdir,$pubstatus,$publish_button,$numres) = @_;
632: $$pub_select = '
633: <form name="resselect_'.$$numres.'" action="">
634: <select name="reschoice" onChange="SetResChoice(this.form)">
635: <option>'.&mt('Select action').'</option>'.
636: '<option value="copy">'.&mt('Copy').'</option>';
637: if ($pubstatus eq 'obsolete' || $pubstatus eq 'unpublished') {
638: $$pub_select .=
639: '<option value="rename">'.&mt('Rename').'</option>'.
640: '<option value="move">'.&mt('Move').'</option>'.
641: '<option value="delete">'.&mt('Delete').'</option>';
642: } else {
643: $$pub_select .= '
644: <option value="obsolete">'.&mt('Mark obsolete').'</option>';
645: }
646: # check for versions
647: my $versions = &check_for_versions($r,'/'.$filename,$udom,$uname);
648: if ($versions > 0) {
649: $$pub_select .='
650: <option value="retrieve">'.&mt('Retrieve old version').'</option>';
651: }
652: $$pub_select .= '
653: <option value="publish">'.$publish_button.'</option>'.
654: '<option value="print">'.&mt('Print').'</option>'.
655: '</select>
656: <input type="hidden" name="filename" value="/~'.
657: $uname.$thisdisfn.'/'.$filename.'" /></form>';
658: $$numres ++;
659: }
660:
661: sub check_for_versions {
662: my ($r,$fn,$udom,$uname) = @_;
663: my $versions = 0;
664: my $docroot=$r->dir_config('lonDocRoot');
665: my $resfn=$docroot.'/res/'.$udom.'/'.$uname.$fn;
666: my $resdir=$resfn;
667: $resdir=~s/\/[^\/]+$/\//;
668: $fn=~/\/([^\/]+)\.(\w+)$/;
669: my $main=$1;
670: my $suffix=$2;
671: opendir(DIR,$resdir);
672: while (my $filename=readdir(DIR)) {
673: if ($filename=~/^\Q$main\E\.(\d+)\.\Q$suffix\E$/) {
674: $versions ++;
675: }
676: }
677: return $versions;
678: }
679:
680: #
681: # Categorize files in the directory.
682: # For each file in a list of files in a file directory,
683: # the file categorized as one of:
684: # - directory
685: # - sequence
686: # - problem
687: # - Other resource.
688: #
689: # For each file the modification date is determined as well.
690: # Returned is a list of sublists:
691: # (directories, sequences, problems, other)
692: # each of the sublists contains entries of the following form (sorted by
693: # filename):
694: # (filename, typecode, lastmodtime)
695: #
696: # $list = CategorizeFiles($location, $files)
697: # $location - Directory in which the files live (relative to our
698: # execution.
699: # $files - list of files.
700: #
701: sub CategorizeFiles {
702: my $location = shift;
703: my $files = shift;
704: }
705:
706: 1;
707: __END__
708:
709: =head1 NAME
710:
711: Apache::lonpubdir - Construction space directory lister
712:
713: =head1 SYNOPSIS
714:
715: Invoked (for various locations) by /etc/httpd/conf/srm.conf:
716:
717: <LocationMatch "^/\~.*/$">
718: PerlAccessHandler Apache::loncacc
719: SetHandler perl-script
720: PerlHandler Apache::lonpubdir
721: ErrorDocument 403 /adm/login
722: ErrorDocument 404 /adm/notfound.html
723: ErrorDocument 406 /adm/unauthorized.html
724: ErrorDocument 500 /adm/errorhandler
725: </LocationMatch>
726:
727: <Location /adm/pubdir>
728: PerlAccessHandler Apache::lonacc
729: SetHandler perl-script
730: PerlHandler Apache::lonpubdir
731: ErrorDocument 403 /adm/login
732: ErrorDocument 404 /adm/notfound.html
733: ErrorDocument 406 /adm/unauthorized.html
734: ErrorDocument 500 /adm/errorhandler
735: </Location>
736:
737: =head1 INTRODUCTION
738:
739: This module publishes a directory of files.
740:
741: This is part of the LearningOnline Network with CAPA project
742: described at http://www.lon-capa.org.
743:
744: =head1 HANDLER SUBROUTINE
745:
746: This routine is called by Apache and mod_perl.
747:
748: =over 4
749:
750: =item *
751:
752: read in information
753:
754: =item *
755:
756: start page output
757:
758: =item *
759:
760: run through list of files and attempt to publish unhidden files
761:
762: =back
763:
764: =cut
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