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14 * GNU General Public License for more details.
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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: $]/", '',
48 function getDefaultArguments() {
49 return array('noheader' => false,
50 'include_empty' => false,
58 // info arg allows multiple columns
59 // info=mtime,hits,summary,version,author,locked,minor,markup or all
60 // exclude arg allows multiple pagenames exclude=HomePage,RecentChanges
62 function run($dbi, $argstr, &$request, $basepage) {
63 $args = $this->getArgs($argstr, $request);
66 // There's probably a more efficient way to do this (eg a
67 // tailored SQL query via the backend, but this does the job
69 $allpages_iter = $dbi->getAllPages($include_empty);
71 while ($page = $allpages_iter->next()) {
72 $links_iter = $page->getBackLinks();
73 // Test for absence of backlinks. If a page is linked to
74 // only by itself, it is still an orphan
75 $parent = $links_iter->next();
76 if (!$parent // page has no parents
77 or (($parent->getName() == $page->getName())
78 and !$links_iter->next())) // or page has only itself as a parent
83 $args['count'] = count($pages);
84 $pagelist = new PageList($info, $exclude, $args);
86 $pagelist->setCaption(_("Orphaned Pages in this wiki (%d total):"));
87 // deleted pages show up as version 0.
89 $pagelist->_addColumn('version');
90 list($offset,$pagesize) = $pagelist->limit($args['limit']);
91 if (!$pagesize) $pagelist->addPageList($pages);
93 for ($i=$offset; $i < $offset + $pagesize - 1; $i++) {
94 if ($i >= $args['count']) break;
95 $pagelist->addPage($pages[$i]);
106 // c-hanging-comment-ender-p: nil
107 // indent-tabs-mode: nil