2 rcs_id('$Id: OrphanedPages.php,v 1.5 2004-02-17 12:11:36 rurban Exp $');
4 This file is part of PhpWiki.
6 PhpWiki is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 PhpWiki is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with PhpWiki; if not, write to the Free Software
18 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 * A plugin which returns a list of pages which are not linked to by
25 * Initial version by Lawrence Akka
28 require_once('lib/PageList.php');
32 class WikiPlugin_OrphanedPages
36 return _("OrphanedPages");
39 function getDescription () {
40 return _("List pages which are not linked to by any other page.");
43 function getVersion() {
44 return preg_replace("/[Revision: $]/", '',
48 function getDefaultArguments() {
49 return array('noheader' => false,
50 'include_empty' => false,
55 // info arg allows multiple columns
56 // info=mtime,hits,summary,version,author,locked,minor,markup or all
57 // exclude arg allows multiple pagenames exclude=HomePage,RecentChanges
59 function run($dbi, $argstr, &$request, $basepage) {
60 extract($this->getArgs($argstr, $request));
62 $pagelist = new PageList($info, $exclude);
65 $pagelist->setCaption(_("Orphaned Pages in this wiki (%d total):"));
67 // deleted pages show up as version 0.
69 $pagelist->_addColumn('version');
71 // There's probably a more efficient way to do this (eg a
72 // tailored SQL query via the backend, but this does the job
74 $allpages_iter = $dbi->getAllPages($include_empty);
76 while ($page = $allpages_iter->next()) {
77 $links_iter = $page->getLinks();
78 // test for absence of backlinks. If a page is linked to
79 // only by itself, it is still an orphan
80 $parent = $links_iter->next();
81 if (!$parent || // page has no parents
82 (($parent->getName() == $page->getName())
83 && !$links_iter->next()) // page has only itself as a parent
85 $pagelist->addPage($page);
91 // $Log: not supported by cvs2svn $
92 // Revision 1.4 2003/01/18 21:49:00 carstenklapp
94 // Reformatting & tabs to spaces;
95 // Added copyleft, getVersion, getDescription, rcs_id.
102 // c-hanging-comment-ender-p: nil
103 // indent-tabs-mode: nil