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14 * GNU General Public License for more details.
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18 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 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';
30 class WikiPlugin_OrphanedPages
34 return _("OrphanedPages");
37 function getDescription () {
38 return _("List pages which are not linked to by any other page.");
41 function getDefaultArguments() {
42 return array('noheader' => false,
43 'include_empty' => false,
51 // info arg allows multiple columns
52 // info=mtime,hits,summary,version,author,locked,minor,markup or all
53 // exclude arg allows multiple pagenames exclude=HomePage,RecentChanges
55 function run($dbi, $argstr, &$request, $basepage) {
56 $args = $this->getArgs($argstr, $request);
59 // There's probably a more efficient way to do this (eg a
60 // tailored SQL query via the backend, but this does the job
62 $allpages_iter = $dbi->getAllPages($include_empty);
64 while ($page = $allpages_iter->next()) {
65 $links_iter = $page->getBackLinks();
66 // Test for absence of backlinks. If a page is linked to
67 // only by itself, it is still an orphan
68 $parent = $links_iter->next();
69 if (!$parent // page has no parents
70 or (($parent->getName() == $page->getName())
71 and !$links_iter->next())) // or page has only itself as a parent
76 $args['count'] = count($pages);
77 $pagelist = new PageList($info, $exclude, $args);
79 $pagelist->setCaption(_("Orphaned Pages in this wiki (%d total):"));
80 // deleted pages show up as version 0.
82 $pagelist->_addColumn('version');
83 list($offset,$pagesize) = $pagelist->limit($args['limit']);
84 if (!$pagesize) $pagelist->addPageList($pages);
86 for ($i=$offset; $i < $offset + $pagesize - 1; $i++) {
87 if ($i >= $args['count']) break;
88 $pagelist->addPage($pages[$i]);
99 // c-hanging-comment-ender-p: nil
100 // indent-tabs-mode: nil