very simple controller pattern

basically used for adding hooks in op/op.* files

inc/inc.ClassController.php

@@ -0,0 +1,56 @@
+<?php
+//    SeedDMS. Document Management System
+//    Copyright (C) 2013 Uwe Steinmann
+//
+//    This program 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.
+//
+//    This program 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.
+//
+//    You should have received a copy of the GNU General Public License
+//    along with this program; if not, write to the Free Software
+//    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+require_once('inc.ClassControllerCommon.php');
+
+class Controller {
+	/**
+	 * Create a controller from a class
+	 *
+	 * This method will check for a class file in the controller directory
+	 * and returns an instance of it.
+	 *
+	 * @param string $class name of controller class
+	 * @param array $params parameter passed to constructor of controller class
+	 * @return object an object of a class implementing the view
+	 */
+	static function factory($class, $params=array()) { /* {{{ */
+		global $settings, $session, $dms, $user;
+		if(!$class) {
+			return null;
+		}
+
+		$classname = "SeedDMS_Controller_".$class;
+		$filename = "../controllers/class.".$class.".php";
+		if(file_exists($filename)) {
+			require($filename);
+			$controller = new $classname($params);
+			/* Set some configuration parameters */
+			$controller->setParam('dms', $dms);
+			$controller->setParam('user', $user);
+			$controller->setParam('postVars', $_POST);
+			$controller->setParam('getVars', $_GET);
+			$controller->setParam('requestVars', $_REQUEST);
+			$controller->setParam('session', $session);
+			$controller->setParam('settings', $settings);
+			return $controller;
+		}
+		return null;
+	} /* }}} */
+
+}

inc/inc.ClassControllerCommon.php

@@ -0,0 +1,51 @@
+<?php
+//    SeedDMS. Document Management System
+//    Copyright (C) 2013 Uwe Steinmann
+//
+//    This program 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.
+//
+//    This program 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.
+//
+//    You should have received a copy of the GNU General Public License
+//    along with this program; if not, write to the Free Software
+//    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+class SeedDMS_Controller_Common {
+	function __construct($params) {
+		$this->params = $params;
+	}
+
+	function setParams($params) {
+		$this->params = $params;
+	}
+
+	function setParam($name, $value) {
+		$this->params[$name] = $value;
+	}
+
+	function unsetParam($name) {
+		if(isset($this->params[$name]))
+			unset($this->params[$name]);
+	}
+
+	function run() {
+	}
+
+	function callHook($hook) {
+		$tmp = explode('_', get_class($this));
+		if(isset($GLOBALS['SEEDDMS_HOOKS']['controller'][lcfirst($tmp[2])])) {
+			foreach($GLOBALS['SEEDDMS_HOOKS']['controller'][lcfirst($tmp[2])] as $hookObj) {
+				if (method_exists($hookObj, $hook)) {
+					return $hookObj->$hook($this);
+				}
+			}
+		}
+		return false;
+	}
+}