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<?php // -*-php-*-
rcs_id('$Id: OrphanedPages.php,v 1.10 2004/07/09 13:05:34 rurban Exp $');
/**
This file is part of PhpWiki.
PhpWiki is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
PhpWiki is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with PhpWiki; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/**
* A plugin which returns a list of pages which are not linked to by
* any other page
*
* Initial version by Lawrence Akka
*
**/
require_once('lib/PageList.php');
/**
*/
class WikiPlugin_OrphanedPages
extends WikiPlugin
{
function getName () {
return _("OrphanedPages");
}
function getDescription () {
return _("List pages which are not linked to by any other page.");
}
function getVersion() {
return preg_replace("/[Revision: $]/", '',
"\$Revision: 1.10 $");
}
function getDefaultArguments() {
return array('noheader' => false,
'include_empty' => false,
'exclude' => '',
'info' => '',
'sortby' => false,
'limit' => 0,
'paging' => 'auto',
);
}
// info arg allows multiple columns
// info=mtime,hits,summary,version,author,locked,minor,markup or all
// exclude arg allows multiple pagenames exclude=HomePage,RecentChanges
function run($dbi, $argstr, &$request, $basepage) {
$args = $this->getArgs($argstr, $request);
extract($args);
// There's probably a more efficient way to do this (eg a
// tailored SQL query via the backend, but this does the job
$allpages_iter = $dbi->getAllPages($include_empty);
$pages = array();
while ($page = $allpages_iter->next()) {
$links_iter = $page->getBackLinks();
// Test for absence of backlinks. If a page is linked to
// only by itself, it is still an orphan
$parent = $links_iter->next();
if (!$parent // page has no parents
or (($parent->getName() == $page->getName())
and !$links_iter->next())) // or page has only itself as a parent
{
$pages[] = $page;
}
}
$args['count'] = count($pages);
$pagelist = new PageList($info, $exclude, $args);
if (!$noheader)
$pagelist->setCaption(_("Orphaned Pages in this wiki (%d total):"));
// deleted pages show up as version 0.
if ($include_empty)
$pagelist->_addColumn('version');
list($offset,$pagesize) = $pagelist->limit($args['limit']);
if (!$pagesize) $pagelist->addPageList($pages);
else {
for ($i=$offset; $i < $offset + $pagesize - 1; $i++) {
if ($i >= $args['count']) break;
$pagelist->addPage($pages[$i]);
}
}
return $pagelist;
}
};
// $Log: OrphanedPages.php,v $
// Revision 1.10 2004/07/09 13:05:34 rurban
// just aesthetics
//
// Revision 1.9 2004/07/09 12:49:46 rurban
// no limit, no sorting
//
// Revision 1.8 2004/04/20 00:56:00 rurban
// more paging support and paging fix for shorter lists
//
// Revision 1.7 2004/04/20 00:34:15 rurban
// more paging support
//
// Revision 1.6 2004/04/18 01:44:02 rurban
// more sortby+limit support
//
// Revision 1.5 2004/02/17 12:11:36 rurban
// added missing 4th basepage arg at plugin->run() to almost all plugins. This caused no harm so far, because it was silently dropped on normal usage. However on plugin internal ->run invocations it failed. (InterWikiSearch, IncludeSiteMap, ...)
//
// Revision 1.4 2003/01/18 21:49:00 carstenklapp
// Code cleanup:
// Reformatting & tabs to spaces;
// Added copyleft, getVersion, getDescription, rcs_id.
//
// Local Variables:
// mode: php
// tab-width: 8
// c-basic-offset: 4
// c-hanging-comment-ender-p: nil
// indent-tabs-mode: nil
// End:
?>
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