Added autoloader for Install Tool

git-svn-id: https://svn.typo3.org/TYPO3v4/Extensions/dbal/trunk@32757 735d13b6-9817-0410-8766-e36946ffe9aa

diff --git a/typo3/sysext/dbal/ChangeLog b/typo3/sysext/dbal/ChangeLog
index 139cc3d..94c2451 100644 (file)
--- a/typo3/sysext/dbal/ChangeLog
+++ b/typo3/sysext/dbal/ChangeLog
@@ -1,3 +1,7 @@
+2010-04-29  Xavier Perseguers  <typo3@perseguers.ch>
+
+       * Added autoloader for Install Tool
+
 2010-04-22  Xavier Perseguers  <typo3@perseguers.ch>
 
        * Fixed bug #14182: Multiple join conditions are not supported

diff --git a/typo3/sysext/dbal/class.tx_dbal_autoloader.php b/typo3/sysext/dbal/class.tx_dbal_autoloader.php
new file mode 100644 (file)
index 0000000..3524b45
--- /dev/null
+++ b/typo3/sysext/dbal/class.tx_dbal_autoloader.php
@@ -0,0 +1,114 @@
+<?php
+/***************************************************************
+*  Copyright notice
+*
+*  (c) 2010 Xavier Perseguers <typo3@perseguers.ch>
+*  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!
+***************************************************************/
+
+/**
+ * Autoloader included from Install Tool that lets DBAL load itself
+ * if it makes sense.
+ *
+ * $Id$
+ *
+ * @author Xavier Perseguers <typo3@perseguers.ch>
+ *
+ * @package TYPO3
+ * @subpackage dbal
+ */
+class tx_dbal_autoloader {
+
+       /**
+        * Activates DBAL if it is supported.
+        *
+        * @return void
+        */
+       public function execute() {
+               if (!t3lib_extMgm::isLoaded('dbal') && $this->isDbalSupported()) {
+                       $this->activateDbal();
+               }
+       }
+
+       /**
+        * Returns TRUE if PHP modules to run DBAL are loaded.
+        *
+        * @return boolean
+        */
+       protected function isDbalSupported() {
+               return extension_loaded('odbc')
+                       || extension_loaded('pdo')
+                       || extension_loaded('oci8');
+       }
+
+       /**
+        * Activates DBAL.
+        *
+        * @return void
+        */
+       protected function activateDbal() {
+               $extList = t3lib_div::trimExplode(',', $GLOBALS['TYPO3_CONF_VARS']['EXT']['extList']);
+               if (!t3lib_div::inArray($extList, 'adodb')) {
+                       $extList[] = 'adodb';
+               }
+               if (!t3lib_div::inArray($extList, 'dbal')) {
+                       $extList[] = 'dbal';
+               }
+               $this->updateExtensionList(implode(',', $extList));
+       }
+
+       /**
+        * Updates the list of extensions.
+        *
+        * @param string $newExtList
+        * @return void
+        */
+       protected function updateExtensionList($newExtList) {
+                       // Instance of install tool
+               $instObj = t3lib_div::makeInstance('t3lib_install');
+               $instObj->allowUpdateLocalConf = 1;
+               $instObj->updateIdentity = 'TYPO3 Core Update Manager';
+
+                       // Get lines from localconf file
+               $lines = $instObj->writeToLocalconf_control();
+               $instObj->setValueInLocalconfFile($lines, '$TYPO3_CONF_VARS[\'EXT\'][\'extList\']', $newExtList);
+               $instObj->writeToLocalconf_control($lines);
+
+               $GLOBALS['TYPO3_CONF_VARS']['EXT']['extList'] = $newExtList;
+                       // Make sure to get cache file for backend, not frontend
+               $cacheFilePrefix = $GLOBALS['TYPO3_LOADED_EXT']['_CACHEFILE'];
+               $GLOBALS['TYPO3_LOADED_EXT']['_CACHEFILE'] = str_replace('temp_CACHED_FE', 'temp_CACHED', $cacheFilePrefix);
+               t3lib_extMgm::removeCacheFiles();
+       }
+
+}
+
+
+if (defined('TYPO3_MODE') && $TYPO3_CONF_VARS[TYPO3_MODE]['XCLASS']['ext/dbal/class.tx_dbal_autoloader.php']) {
+       include_once($TYPO3_CONF_VARS[TYPO3_MODE]['XCLASS']['ext/dbal/class.tx_dbal_autoloader.php']);
+}
+
+
+       // Make instance:
+$SOBE = t3lib_div::makeInstance('tx_dbal_autoloader');
+$SOBE->execute();
+?>
\ No newline at end of file