class.tx_coreupdates_statictemplates.php

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<?php
/***************************************************************
*  Copyright notice
*
*  (c) 2008-2011  Steffen Ritter (info@rs-websystems.de)
*           2009  Benjamin Mack (benni@typo3.org)
*  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.
*  A copy is found in the textfile GPL.txt and important notices to the license
*  from the author is found in LICENSE.txt distributed with these scripts.
*
*
*  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!
***************************************************************/
/**
 * Contains the update class for old static templates. Used by the update wizard in the install tool.
 *
 * @author  Steffen Ritter <info@rs-websystems.de>
 * @author      Benjamin Mack <benni@typo3.org>
 */
class tx_coreupdates_statictemplates extends Tx_Install_Updates_Base {
    protected $title = 'Install Outsourced Static Templates (now in System Extension)';


    /**
     * Checks if there are any references to static_templates and an update is needed.
     *
     * @param   string      &$description: The description for the update
     * @return  boolean     whether an update is needed (true) or not (false)
     */
    public function checkForUpdate(&$description) {
        $description = '<strong>Check dependencies / references to old TypoScript templates in table static_template.</strong><br />
        This updater checks if you are using the old TypoScript static templates. These are extracted into its own extension "statictemplates". If you need them, this updater will install this extension.<br /><br />';
        if ($this->versionNumber >= 4004000 && !t3lib_extMgm::isLoaded('statictemplates')) {
            $count = $GLOBALS['TYPO3_DB']->exec_SELECTcountRows(
                '*',
                'sys_refindex',
                'ref_table = "static_template" AND tablename != "static_template" AND deleted=0'
            );
            if ($count) {
                $description .= '<strong style="color:#f00">Dependencies found! You MUST install the extenion "statictemplates"!</strong>';
                return TRUE;
            }
            else {
                $description .= 'No Dependencies found! You may use the COMPARE - Tool to delete the static_template table.';
            }
        }
        return FALSE;
    }

    /**
     * second step: get user info
     *
     * @param   string      input prefix, all names of form fields have to start with this. Append custom name in [ ... ]
     * @return  string      HTML output
     */
    public function getUserInput($inputPrefix) {
        $content = '<strong>Install the system extension</strong><br />You are about to install the extension "statictemplates". Make sure it is available in the TYPO3 source.';

        return $content;
    }

    /**
     * performs the action of the UpdateManager
     *
     * @param   array       &$dbQueries: queries done in this update
     * @param   mixed       &$customMessages: custom messages
     * @return  bool        whether everything went smoothly or not
     */
    public function performUpdate(array &$dbQueries, &$customMessages) {
        if ($this->versionNumber >= 4004000 && !t3lib_extMgm::isLoaded('statictemplates')) {
            // check wether the table can be truncated or if sysext with tca has to be installed
            if ($this->checkForUpdate($customMessages[])) {
                $localconf = $this->pObj->writeToLocalconf_control();
                $this->pObj->setValueInLocalconfFile($localconf, '$TYPO3_CONF_VARS[\'EXT\'][\'extList\']', $GLOBALS['TYPO3_CONF_VARS']['EXT']['extList'] . ',statictemplates');
                $message = $this->pObj->writeToLocalconf_control($localconf);
                if ($message == 'continue') {
                    $customMessages[] = 'System Extension "statictemplates" was succesfully loaded, static templates are now supported.';
                    return TRUE;
                } else {
                    return FALSE;   // something went wrong
                }
            }
            return TRUE;
        }
    }
}
?>