class.tx_recycler_controller_ajax.php

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<?php
/***************************************************************
*  Copyright notice
*
*  (c) 2009-2011 Julian Kleinhans <typo3@kj187.de>
*  All rights reserved
*
*  This script is part of the TYPO3 project. The TYPO3 project 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.
*
*  The GNU General Public License can be found at
*  http://www.gnu.org/copyleft/gpl.html.
*
*  This script 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.
*
*  This copyright notice MUST APPEAR in all copies of the script!
***************************************************************/

    // Pre-Include all models and views
require_once(t3lib_extMgm::extPath('recycler', 'classes/model/class.tx_recycler_model_deletedRecords.php'));
require_once(t3lib_extMgm::extPath('recycler', 'classes/model/class.tx_recycler_model_tables.php'));
require_once(t3lib_extMgm::extPath('recycler', 'classes/view/class.tx_recycler_view_deletedRecords.php'));
require_once(t3lib_extMgm::extPath('recycler', 'classes/helper/class.tx_recycler_helper.php'));

/**
 * Controller class for the 'recycler' extension. Handles the AJAX Requests
 *
 * @author      Julian Kleinhans <typo3@kj187.de>
 * @author      Erik Frister <erik_frister@otq-solutions.com>
 * @package     TYPO3
 * @subpackage  tx_recycler
 * @version     $Id: class.tx_recycler_controller_ajax.php 10120 2011-01-18 20:03:36Z ohader $
 */
class tx_recycler_controller_ajax {
        /**
         * Stores the content for the ajax output
         *
         * @var string
         */
        protected $content;

        /**
         * Command to be processed
         *
         * @var string
         */
        protected $command;

        /**
         * Stores relevant data from extJS
         * Example: Json format
         * [ ["pages",1],["pages",2],["tt_content",34] ]
         *
         * @var string
         */
        protected $data;

        /**
         * Initialize method
         *
         * @return void
         */
        public function init() {
            $this->mapCommand();
            $this->getContent();
        }

        /**
         * Maps the command to the correct Model and View
         *
         * @return void
         **/
        public function mapCommand() {
                $this->command  = t3lib_div::_GP('cmd');
                $this->data     = t3lib_div::_GP('data');

                    // check params
                if (!is_string($this->command)) {
                        // @TODO make devlog output
                    return false;
                }

                    // Create content
                $this->createContent();
        }

        /**
         * Creates the content
         *
         * @return void
         **/
        protected function createContent() {
                $str = '';

                switch ($this->command) {
                        // Get deleted records
                    case 'getDeletedRecords':
                        $table  = ( t3lib_div::_GP('table') ? t3lib_div::_GP('table') : t3lib_div::_GP('tableDefault'));
                        $limit  = ( t3lib_div::_GP('limit') ? (int)t3lib_div::_GP('limit') : (int)t3lib_div::_GP('pagingSizeDefault'));
                        $start  = ( t3lib_div::_GP('start') ? (int)t3lib_div::_GP('start') : 0);
                        $filter = ( t3lib_div::_GP('filterTxt') ? t3lib_div::_GP('filterTxt') : '');
                        $startUid = ( t3lib_div::_GP('startUid') ? t3lib_div::_GP('startUid') : '');
                        $depth = ( t3lib_div::_GP('depth') ? t3lib_div::_GP('depth') : '');
                        $this->setDataInSession('tableSelection', $table);

                        $model = t3lib_div::makeInstance('tx_recycler_model_deletedRecords');
                        $model->loadData($startUid, $table, $depth, $start . ',' . $limit, $filter);

                        $deletedRowsArray = $model->getDeletedRows();

                        $model = t3lib_div::makeInstance('tx_recycler_model_deletedRecords');
                        $totalDeleted = $model->getTotalCount($startUid, $table, $depth, $filter);

                            // load view
                        $view = t3lib_div::makeInstance('tx_recycler_view_deletedRecords');
                        $str = $view->transform($deletedRowsArray, $totalDeleted);
                        break;

                        // Delete records
                    case 'doDelete':
                        $str = false;
                        $model = t3lib_div::makeInstance('tx_recycler_model_deletedRecords');
                        if ($model->deleteData($this->data)) {
                            $str = true;
                        }
                        break;

                        // Undelete records
                    case 'doUndelete':
                        $str = false;
                        $recursive = t3lib_div::_GP('recursive');
                        $model = t3lib_div::makeInstance('tx_recycler_model_deletedRecords');
                        if ($model->undeleteData($this->data, $recursive)) {
                            $str = true;
                        }
                        break;

                        // getTables for menu
                    case 'getTables':
                        $depth = ( t3lib_div::_GP('depth') ? t3lib_div::_GP('depth') : 0);
                        $startUid = ( t3lib_div::_GP('startUid') ? t3lib_div::_GP('startUid') : '');
                        $this->setDataInSession('depthSelection', $depth);

                        $model = t3lib_div::makeInstance('tx_recycler_model_tables');
                        $str = $model->getTables('json', 1, $startUid, $depth);
                        break;

                        // No cmd
                    default:
                        $str = 'No command was recognized.';
                        break;
                }

                $this->content = $str;
        }

        /**
         * Returns the content that was created in the mapCommand method
         *
         * @return string
         **/
        public function getContent() {
            echo $this->content;
        }

        /**
         * Sets data in the session of the current backend user.
         *
         * @param   string      $identifier: The identifier to be used to set the data
         * @param   string      $data: The data to be stored in the session
         * @return  void
         */
        protected function setDataInSession($identifier, $data) {
            $GLOBALS['BE_USER']->uc['tx_recycler'][$identifier] = $data;
            $GLOBALS['BE_USER']->writeUC();
        }
}


if (defined('TYPO3_MODE') && isset($GLOBALS['TYPO3_CONF_VARS'][TYPO3_MODE]['XCLASS']['ext/recycler/classes/controller/class.tx_recycler_controller_ajax.php'])) {
    include_once($GLOBALS['TYPO3_CONF_VARS'][TYPO3_MODE]['XCLASS']['ext/recycler/classes/controller/class.tx_recycler_controller_ajax.php']);
}

?>