<?php
/**
 * Dokuwiki Action Plugin: Show Login-Page on "Access Denied"
 *
 * @author Oliver Geisen <oliver.geisen@kreisbote.de>
 */
 
if(!defined('DOKU_INC')) die();
if(!defined('DOKU_PLUGIN')) define('DOKU_PLUGIN',DOKU_INC.'lib/plugins/');
require_once(DOKU_PLUGIN.'action.php');
 
class action_plugin_showlogin extends DokuWiki_Action_Plugin {

  /**
   * return some info
   */
  function getInfo(){
    return array(
                 'author' => 'Oliver Geisen',
                 'email'  => 'oliver.geisen@kreisbote.de',
                 'date'   => '2008-04-17',
                 'name'   => 'Show Login',
                 'desc'   => 'Shows login page on access denied.',
                 'url'    => 'http://service.kreisbote.de/downloads/public/showlogin.zip',
                 );
  }

  /**
   * Register its handlers with the dokuwiki's event controller
   */
  function register(&$controller) {
    $controller->register_hook('TPL_CONTENT_DISPLAY', 'AFTER',  $this, 'append_to_content');
  }
 
  function append_to_content(&$event, $param) {
    global $ACT;
    global $INFO;
    if ($ACT == 'denied') {
      if ($INFO['perm'] == 0) {
        html_login();
      }
    }
  }
}