typo3/sysext/workspaces/Classes/Service/Befunc.php

   1 <?php
   2 /***************************************************************
   3  *  Copyright notice
   4  *
   5  *  (c) 2010 Workspaces Team (http://forge.typo3.org/projects/show/typo3v4-workspaces)
   6  *  All rights reserved
   7  *
   8  *  This script is part of the TYPO3 project. The TYPO3 project is
   9  *  free software; you can redistribute it and/or modify
  10  *  it under the terms of the GNU General Public License as published by
  11  *  the Free Software Foundation; either version 2 of the License, or
  12  *  (at your option) any later version.
  13  *
  14  *  The GNU General Public License can be found at
  15  *  http://www.gnu.org/copyleft/gpl.html.
  16  *  A copy is found in the textfile GPL.txt and important notices to the license
  17  *  from the author is found in LICENSE.txt distributed with these scripts.
  18  *
  19  *
  20  *  This script is distributed in the hope that it will be useful,
  21  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  22  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  23  *  GNU General Public License for more details.
  24  *
  25  *  This copyright notice MUST APPEAR in all copies of the script!
  26  ***************************************************************/
  27
  28 /**
  29  * @author Workspaces Team (http://forge.typo3.org/projects/show/typo3v4-workspaces)
  30  * @package Workspaces
  31  * @subpackage Service
  32  */
  33 class tx_Workspaces_Service_Befunc {
  34
  35         protected static $pageCache = array();
  36
  37         /**
  38          * Hooks into the t3lib_beFunc::viewOnClick and redirects to the workspace preview
  39          * only if we're in a workspace and if the frontend-preview is disabled.
  40          *
  41          * @param  $pageUid
  42          * @param  $backPath
  43          * @param  $rootLine
  44          * @param  $anchorSection
  45          * @param  $viewScript
  46          * @param  $additionalGetVars
  47          * @param  $switchFocus
  48          * @return void
  49          */
  50         public function preProcess(&$pageUid, $backPath, $rootLine, $anchorSection, &$viewScript, $additionalGetVars, $switchFocus) {
  51
  52                         // In case a $pageUid is submitted we need to make sure it points to a live-page
  53                 if ($pageUid >  0) {
  54                         $pageUid = $this->getLivePageUid($pageUid);
  55                 }
  56
  57                 if ($GLOBALS['BE_USER']->workspace !== 0) {
  58                         $ctrl = t3lib_div::makeInstance('Tx_Workspaces_Controller_PreviewController', FALSE);
  59                         $uriBuilder = t3lib_div::makeInstance('Tx_Extbase_MVC_Web_Routing_UriBuilder');
  60                         /**
  61                          *  This seems to be very harsh to set this directly to "/typo3 but the viewOnClick also
  62                          *  has /index.php as fixed value here and dealing with the backPath is very error-prone
  63                          *
  64                          *  @todo make sure this would work in local extension installation too
  65                          */
  66                         $backPath = '/' . TYPO3_mainDir;
  67                                 // @todo why do we need these additional params? the URIBuilder should add the controller, but he doesn't :(
  68                         $additionalParams = '&tx_workspaces_web_workspacesworkspaces%5Bcontroller%5D=Preview&M=web_WorkspacesWorkspaces&id=';
  69                         $viewScript = $backPath . $uriBuilder->uriFor('index', array(), $ctrl, 'workspaces', 'web_workspacesworkspaces') . $additionalParams;
  70                 }
  71         }
  72
  73         /**
  74          * Find the Live-Uid for a given page,
  75          * the results are cached at run-time to avoid too many database-queries
  76          *
  77          * @throws InvalidArgumentException
  78          * @param  $uid
  79          * @return void
  80          */
  81         protected function getLivePageUid($uid) {
  82                 if (!isset(self::$pageCache[$uid])) {
  83                         $rec = t3lib_beFunc::getRecord('pages', $uid);
  84                         if (is_array($rec)) {
  85                                 self::$pageCache[$uid] = $rec['t3ver_oid'] ? $rec['t3ver_oid'] : $uid;
  86                         } else {
  87                                 throw new InvalidArgumentException('uid is supposed to point to an existing page - given value was:' . $uid, 1290628113);
  88                         }
  89                 }
  90                 return self::$pageCache[$uid];
  91         }
  92 }
  93
  94 if (defined('TYPO3_MODE') && isset($GLOBALS['TYPO3_CONF_VARS'][TYPO3_MODE]['XCLASS']['ext/workspaces/Classes/Service/Befunc.php'])) {
  95         include_once($GLOBALS['TYPO3_CONF_VARS'][TYPO3_MODE]['XCLASS']['ext/workspaces/Classes/Service/Befunc.php']);
  96 }
  97 ?>