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<?php // -*-php-*-
rcs_id('$Id: PageTrail.php,v 1.8 2005/08/06 13:23:14 rurban Exp $');
/**
Copyright 1999,2000,2001,2002,2005 $ThePhpWikiProgrammingTeam
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 simple PageTrail WikiPlugin.
* Put this at the begin/end of each page to store the trail,
* or better in a template (body or bottom) to support it for all pages.
* But Cache should be turned off then.
*
* Usage:
* <?plugin PageTrail?>
* <?plugin PageTrail numberlinks=5?>
* <?plugin PageTrail invisible=1?>
*/
if (!defined('PAGETRAIL_ARROW'))
define('PAGETRAIL_ARROW', " => ");
class WikiPlugin_PageTrail
extends WikiPlugin
{
// Four required functions in a WikiPlugin.
var $def_numberlinks = 5;
function getName () {
return _("PageTrail");
}
function getDescription () {
return _("PageTrail Plugin");
}
function getVersion() {
return preg_replace("/[Revision: $]/", '',
"\$Revision: 1.8 $");
}
// default values
function getDefaultArguments() {
return array('numberlinks' => $this->def_numberlinks,
'invisible' => false,
'duplicates' => false,
);
}
function run($dbi, $argstr, &$request, $basepage) {
extract($this->getArgs($argstr, $request));
if ($numberlinks > 10 || $numberlinks < 0) {
$numberlinks = $this->def_numberlinks;
}
// Get name of the current page we are on
$thispage = $request->getArg('pagename');
$Pages = $request->session->get("PageTrail");
if (!is_array($Pages)) $Pages = array();
if ($duplicates || ($thispage != $Pages[0])) {
array_unshift($Pages, $thispage);
$request->session->set("PageTrail", $Pages);
}
$numberlinks = min(count($Pages), $numberlinks);
if (! $invisible and $numberlinks) {
$html = HTML::tt(WikiLink($Pages[$numberlinks-1], 'auto'));
for ($i = $numberlinks - 2; $i >= 0; $i--) {
if (!empty($Pages[$i]))
$html->pushContent(PAGETRAIL_ARROW,
WikiLink($Pages[$i], 'auto'));
}
return $html;
} else
return HTML();
}
};
// $Log: PageTrail.php,v $
// Revision 1.8 2005/08/06 13:23:14 rurban
// improved empty cookie
//
// Revision 1.7 2005/02/28 21:24:34 rurban
// ignore forbidden ini_set warnings. Bug #1117254 by Xavier Roche
//
// Revision 1.6 2005/02/27 21:34:10 rurban
// Fix error with : in pagenames. Thanks to Dan Frankowski. bug #1115479
//
// Revision 1.5 2005/02/02 19:38:42 rurban
// shorter default trail
//
// Revision 1.4 2004/02/27 02:49:40 rurban
// patch #680562 "PageTrail Duplicates Patch (1.3.4)"
//
// Revision 1.3 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 1.2 2003/01/18 22:22:36 carstenklapp
// defined constant for arrow, eliminate use of fmt()
//
// For emacs users
// 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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