688 Zeilen
21 KiB
PHP
688 Zeilen
21 KiB
PHP
<?php
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/**
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* Zend Framework
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*
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* LICENSE
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*
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* This source file is subject to the new BSD license that is bundled
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* with this package in the file LICENSE.txt.
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* It is also available through the world-wide-web at this URL:
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* http://framework.zend.com/license/new-bsd
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* If you did not receive a copy of the license and are unable to
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* obtain it through the world-wide-web, please send an email
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* to license@zend.com so we can send you a copy immediately.
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*
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* @category Zend
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* @package Zend_Controller
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* @copyright Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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* @version $Id$
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*/
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/**
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* @see Zend_Controller_Action_HelperBroker
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*/
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require_once 'Zend/Controller/Action/HelperBroker.php';
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/**
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* @see Zend_Controller_Action_Interface
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*/
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require_once 'Zend/Controller/Action/Interface.php';
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/**
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* @see Zend_Controller_Front
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*/
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require_once 'Zend/Controller/Front.php';
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/**
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* @category Zend
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* @package Zend_Controller
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* @copyright Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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*/
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abstract class Zend_Controller_Action implements Zend_Controller_Action_Interface
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{
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/**
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* @var array of existing class methods
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*/
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protected $_classMethods;
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/**
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* Word delimiters (used for normalizing view script paths)
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* @var array
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*/
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protected $_delimiters;
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/**
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* Array of arguments provided to the constructor, minus the
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* {@link $_request Request object}.
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* @var array
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*/
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protected $_invokeArgs = array();
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/**
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* Front controller instance
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* @var Zend_Controller_Front
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*/
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protected $_frontController;
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/**
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* Zend_Controller_Request_Abstract object wrapping the request environment
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* @var Zend_Controller_Request_Abstract
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*/
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protected $_request = null;
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/**
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* Zend_Controller_Response_Abstract object wrapping the response
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* @var Zend_Controller_Response_Abstract
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*/
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protected $_response = null;
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/**
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* View script suffix; defaults to 'phtml'
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* @see {render()}
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* @var string
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*/
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public $viewSuffix = 'phtml';
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/**
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* View object
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* @var Zend_View_Interface
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*/
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public $view;
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/**
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* Helper Broker to assist in routing help requests to the proper object
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*
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* @var Zend_Controller_Action_HelperBroker
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*/
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protected $_helper = null;
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/**
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* Class constructor
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*
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* The request and response objects should be registered with the
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* controller, as should be any additional optional arguments; these will be
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* available via {@link getRequest()}, {@link getResponse()}, and
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* {@link getInvokeArgs()}, respectively.
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*
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* When overriding the constructor, please consider this usage as a best
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* practice and ensure that each is registered appropriately; the easiest
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* way to do so is to simply call parent::__construct($request, $response,
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* $invokeArgs).
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*
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* After the request, response, and invokeArgs are set, the
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* {@link $_helper helper broker} is initialized.
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*
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* Finally, {@link init()} is called as the final action of
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* instantiation, and may be safely overridden to perform initialization
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* tasks; as a general rule, override {@link init()} instead of the
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* constructor to customize an action controller's instantiation.
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*
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* @param Zend_Controller_Request_Abstract $request
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* @param Zend_Controller_Response_Abstract $response
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* @param array $invokeArgs Any additional invocation arguments
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* @return void
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*/
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public function __construct(Zend_Controller_Request_Abstract $request, Zend_Controller_Response_Abstract $response, array $invokeArgs = array())
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{
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$this->setRequest($request)
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->setResponse($response)
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->_setInvokeArgs($invokeArgs);
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$this->_helper = new Zend_Controller_Action_HelperBroker($this);
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$this->init();
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}
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/**
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* Initialize object
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*
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* Called from {@link __construct()} as final step of object instantiation.
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*
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* @return void
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*/
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public function init()
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{
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}
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/**
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* Initialize View object
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*
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* Initializes {@link $view} if not otherwise a Zend_View_Interface.
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*
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* If {@link $view} is not otherwise set, instantiates a new Zend_View
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* object, using the 'views' subdirectory at the same level as the
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* controller directory for the current module as the base directory.
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* It uses this to set the following:
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* - script path = views/scripts/
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* - helper path = views/helpers/
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* - filter path = views/filters/
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*
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* @return Zend_View_Interface
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* @throws Zend_Controller_Exception if base view directory does not exist
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*/
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public function initView()
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{
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if (!$this->getInvokeArg('noViewRenderer') && $this->_helper->hasHelper('viewRenderer')) {
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return $this->view;
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}
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require_once 'Zend/View/Interface.php';
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if (isset($this->view) && ($this->view instanceof Zend_View_Interface)) {
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return $this->view;
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}
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$request = $this->getRequest();
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$module = $request->getModuleName();
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$dirs = $this->getFrontController()->getControllerDirectory();
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if (empty($module) || !isset($dirs[$module])) {
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$module = $this->getFrontController()->getDispatcher()->getDefaultModule();
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}
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$baseDir = dirname($dirs[$module]) . DIRECTORY_SEPARATOR . 'views';
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if (!file_exists($baseDir) || !is_dir($baseDir)) {
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require_once 'Zend/Controller/Exception.php';
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throw new Zend_Controller_Exception('Missing base view directory ("' . $baseDir . '")');
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}
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require_once 'Zend/View.php';
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$this->view = new Zend_View(array('basePath' => $baseDir));
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return $this->view;
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}
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/**
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* Render a view
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*
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* Renders a view. By default, views are found in the view script path as
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* <controller>/<action>.phtml. You may change the script suffix by
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* resetting {@link $viewSuffix}. You may omit the controller directory
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* prefix by specifying boolean true for $noController.
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*
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* By default, the rendered contents are appended to the response. You may
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* specify the named body content segment to set by specifying a $name.
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*
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* @see Zend_Controller_Response_Abstract::appendBody()
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* @param string|null $action Defaults to action registered in request object
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* @param string|null $name Response object named path segment to use; defaults to null
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* @param bool $noController Defaults to false; i.e. use controller name as subdir in which to search for view script
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* @return void
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*/
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public function render($action = null, $name = null, $noController = false)
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{
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if (!$this->getInvokeArg('noViewRenderer') && $this->_helper->hasHelper('viewRenderer')) {
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return $this->_helper->viewRenderer->render($action, $name, $noController);
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}
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$view = $this->initView();
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$script = $this->getViewScript($action, $noController);
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$this->getResponse()->appendBody(
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$view->render($script),
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$name
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);
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}
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/**
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* Render a given view script
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*
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* Similar to {@link render()}, this method renders a view script. Unlike render(),
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* however, it does not autodetermine the view script via {@link getViewScript()},
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* but instead renders the script passed to it. Use this if you know the
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* exact view script name and path you wish to use, or if using paths that do not
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* conform to the spec defined with getViewScript().
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*
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* By default, the rendered contents are appended to the response. You may
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* specify the named body content segment to set by specifying a $name.
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*
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* @param string $script
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* @param string $name
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* @return void
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*/
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public function renderScript($script, $name = null)
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{
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if (!$this->getInvokeArg('noViewRenderer') && $this->_helper->hasHelper('viewRenderer')) {
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return $this->_helper->viewRenderer->renderScript($script, $name);
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}
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$view = $this->initView();
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$this->getResponse()->appendBody(
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$view->render($script),
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$name
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);
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}
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/**
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* Construct view script path
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*
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* Used by render() to determine the path to the view script.
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*
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* @param string $action Defaults to action registered in request object
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* @param bool $noController Defaults to false; i.e. use controller name as subdir in which to search for view script
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* @return string
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* @throws Zend_Controller_Exception with bad $action
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*/
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public function getViewScript($action = null, $noController = null)
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{
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if (!$this->getInvokeArg('noViewRenderer') && $this->_helper->hasHelper('viewRenderer')) {
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$viewRenderer = $this->_helper->getHelper('viewRenderer');
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if (null !== $noController) {
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$viewRenderer->setNoController($noController);
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}
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return $viewRenderer->getViewScript($action);
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}
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$request = $this->getRequest();
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if (null === $action) {
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$action = $request->getActionName();
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} elseif (!is_string($action)) {
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require_once 'Zend/Controller/Exception.php';
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throw new Zend_Controller_Exception('Invalid action specifier for view render');
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}
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if (null === $this->_delimiters) {
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$dispatcher = Zend_Controller_Front::getInstance()->getDispatcher();
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$wordDelimiters = $dispatcher->getWordDelimiter();
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$pathDelimiters = $dispatcher->getPathDelimiter();
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$this->_delimiters = array_unique(array_merge($wordDelimiters, (array) $pathDelimiters));
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}
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$action = str_replace($this->_delimiters, '-', $action);
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$script = $action . '.' . $this->viewSuffix;
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if (!$noController) {
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$controller = $request->getControllerName();
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$controller = str_replace($this->_delimiters, '-', $controller);
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$script = $controller . DIRECTORY_SEPARATOR . $script;
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}
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return $script;
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}
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/**
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* Return the Request object
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*
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* @return Zend_Controller_Request_Abstract
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*/
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public function getRequest()
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{
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return $this->_request;
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}
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/**
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* Set the Request object
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*
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* @param Zend_Controller_Request_Abstract $request
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* @return Zend_Controller_Action
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*/
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public function setRequest(Zend_Controller_Request_Abstract $request)
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{
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$this->_request = $request;
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return $this;
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}
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/**
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* Return the Response object
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*
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* @return Zend_Controller_Response_Abstract
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*/
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public function getResponse()
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{
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return $this->_response;
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}
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/**
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* Set the Response object
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*
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* @param Zend_Controller_Response_Abstract $response
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* @return Zend_Controller_Action
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*/
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public function setResponse(Zend_Controller_Response_Abstract $response)
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{
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$this->_response = $response;
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return $this;
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}
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/**
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* Set invocation arguments
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*
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* @param array $args
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* @return Zend_Controller_Action
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*/
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protected function _setInvokeArgs(array $args = array())
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{
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$this->_invokeArgs = $args;
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return $this;
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}
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/**
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* Return the array of constructor arguments (minus the Request object)
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*
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* @return array
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*/
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public function getInvokeArgs()
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{
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return $this->_invokeArgs;
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}
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/**
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* Return a single invocation argument
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*
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* @param string $key
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* @return mixed
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*/
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public function getInvokeArg($key)
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{
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if (isset($this->_invokeArgs[$key])) {
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return $this->_invokeArgs[$key];
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}
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return null;
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}
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/**
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* Get a helper by name
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*
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* @param string $helperName
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* @return Zend_Controller_Action_Helper_Abstract
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*/
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public function getHelper($helperName)
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{
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return $this->_helper->{$helperName};
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}
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/**
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* Get a clone of a helper by name
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*
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* @param string $helperName
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* @return Zend_Controller_Action_Helper_Abstract
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*/
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public function getHelperCopy($helperName)
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{
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return clone $this->_helper->{$helperName};
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}
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/**
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* Set the front controller instance
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*
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* @param Zend_Controller_Front $front
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* @return Zend_Controller_Action
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*/
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public function setFrontController(Zend_Controller_Front $front)
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{
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$this->_frontController = $front;
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return $this;
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}
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/**
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* Retrieve Front Controller
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*
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* @return Zend_Controller_Front
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*/
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public function getFrontController()
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{
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// Used cache version if found
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if (null !== $this->_frontController) {
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return $this->_frontController;
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}
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// Grab singleton instance, if class has been loaded
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if (class_exists('Zend_Controller_Front')) {
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$this->_frontController = Zend_Controller_Front::getInstance();
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return $this->_frontController;
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}
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// Throw exception in all other cases
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require_once 'Zend/Controller/Exception.php';
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throw new Zend_Controller_Exception('Front controller class has not been loaded');
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}
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/**
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* Pre-dispatch routines
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*
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* Called before action method. If using class with
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* {@link Zend_Controller_Front}, it may modify the
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* {@link $_request Request object} and reset its dispatched flag in order
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* to skip processing the current action.
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*
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* @return void
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*/
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public function preDispatch()
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{
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}
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/**
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* Post-dispatch routines
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*
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* Called after action method execution. If using class with
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* {@link Zend_Controller_Front}, it may modify the
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* {@link $_request Request object} and reset its dispatched flag in order
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* to process an additional action.
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*
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* Common usages for postDispatch() include rendering content in a sitewide
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* template, link url correction, setting headers, etc.
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*
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* @return void
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*/
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public function postDispatch()
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{
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}
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/**
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* Proxy for undefined methods. Default behavior is to throw an
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* exception on undefined methods, however this function can be
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* overridden to implement magic (dynamic) actions, or provide run-time
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* dispatching.
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*
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* @param string $methodName
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* @param array $args
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* @return void
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* @throws Zend_Controller_Action_Exception
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*/
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public function __call($methodName, $args)
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{
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require_once 'Zend/Controller/Action/Exception.php';
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if ('Action' == substr($methodName, -6)) {
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$action = substr($methodName, 0, strlen($methodName) - 6);
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throw new Zend_Controller_Action_Exception(sprintf('Action "%s" does not exist and was not trapped in __call()', $action), 404);
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}
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throw new Zend_Controller_Action_Exception(sprintf('Method "%s" does not exist and was not trapped in __call()', $methodName), 500);
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}
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/**
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* Dispatch the requested action
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*
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* @param string $action Method name of action
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* @return void
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*/
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public function dispatch($action)
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{
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// Notify helpers of action preDispatch state
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$this->_helper->notifyPreDispatch();
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$this->preDispatch();
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if ($this->getRequest()->isDispatched()) {
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if (null === $this->_classMethods) {
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$this->_classMethods = get_class_methods($this);
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}
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// preDispatch() didn't change the action, so we can continue
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if ($this->getInvokeArg('useCaseSensitiveActions') || in_array($action, $this->_classMethods)) {
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if ($this->getInvokeArg('useCaseSensitiveActions')) {
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trigger_error('Using case sensitive actions without word separators is deprecated; please do not rely on this "feature"');
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}
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$this->$action();
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} else {
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$this->__call($action, array());
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}
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$this->postDispatch();
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}
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// whats actually important here is that this action controller is
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// shutting down, regardless of dispatching; notify the helpers of this
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// state
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$this->_helper->notifyPostDispatch();
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}
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/**
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* Call the action specified in the request object, and return a response
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*
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* Not used in the Action Controller implementation, but left for usage in
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* Page Controller implementations. Dispatches a method based on the
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* request.
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*
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* Returns a Zend_Controller_Response_Abstract object, instantiating one
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* prior to execution if none exists in the controller.
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*
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* {@link preDispatch()} is called prior to the action,
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* {@link postDispatch()} is called following it.
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*
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* @param null|Zend_Controller_Request_Abstract $request Optional request
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* object to use
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* @param null|Zend_Controller_Response_Abstract $response Optional response
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* object to use
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* @return Zend_Controller_Response_Abstract
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*/
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public function run(Zend_Controller_Request_Abstract $request = null, Zend_Controller_Response_Abstract $response = null)
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{
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if (null !== $request) {
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$this->setRequest($request);
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} else {
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$request = $this->getRequest();
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}
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if (null !== $response) {
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$this->setResponse($response);
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}
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$action = $request->getActionName();
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if (empty($action)) {
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$action = 'index';
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}
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$action = $action . 'Action';
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$request->setDispatched(true);
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$this->dispatch($action);
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|
return $this->getResponse();
|
|
}
|
|
|
|
/**
|
|
* Gets a parameter from the {@link $_request Request object}. If the
|
|
* parameter does not exist, NULL will be returned.
|
|
*
|
|
* If the parameter does not exist and $default is set, then
|
|
* $default will be returned instead of NULL.
|
|
*
|
|
* @param string $paramName
|
|
* @param mixed $default
|
|
* @return mixed
|
|
*/
|
|
protected function _getParam($paramName, $default = null)
|
|
{
|
|
$value = $this->getRequest()->getParam($paramName);
|
|
if ((null === $value || '' === $value) && (null !== $default)) {
|
|
$value = $default;
|
|
}
|
|
|
|
return $value;
|
|
}
|
|
|
|
/**
|
|
* Set a parameter in the {@link $_request Request object}.
|
|
*
|
|
* @param string $paramName
|
|
* @param mixed $value
|
|
* @return Zend_Controller_Action
|
|
*/
|
|
protected function _setParam($paramName, $value)
|
|
{
|
|
$this->getRequest()->setParam($paramName, $value);
|
|
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* Determine whether a given parameter exists in the
|
|
* {@link $_request Request object}.
|
|
*
|
|
* @param string $paramName
|
|
* @return boolean
|
|
*/
|
|
protected function _hasParam($paramName)
|
|
{
|
|
return null !== $this->getRequest()->getParam($paramName);
|
|
}
|
|
|
|
/**
|
|
* Return all parameters in the {@link $_request Request object}
|
|
* as an associative array.
|
|
*
|
|
* @return array
|
|
*/
|
|
protected function _getAllParams()
|
|
{
|
|
return $this->getRequest()->getParams();
|
|
}
|
|
|
|
|
|
/**
|
|
* Forward to another controller/action.
|
|
*
|
|
* It is important to supply the unformatted names, i.e. "article"
|
|
* rather than "ArticleController". The dispatcher will do the
|
|
* appropriate formatting when the request is received.
|
|
*
|
|
* If only an action name is provided, forwards to that action in this
|
|
* controller.
|
|
*
|
|
* If an action and controller are specified, forwards to that action and
|
|
* controller in this module.
|
|
*
|
|
* Specifying an action, controller, and module is the most specific way to
|
|
* forward.
|
|
*
|
|
* A fourth argument, $params, will be used to set the request parameters.
|
|
* If either the controller or module are unnecessary for forwarding,
|
|
* simply pass null values for them before specifying the parameters.
|
|
*
|
|
* @param string $action
|
|
* @param string $controller
|
|
* @param string $module
|
|
* @param array $params
|
|
* @return void
|
|
*/
|
|
final protected function _forward($action, $controller = null, $module = null, array $params = null)
|
|
{
|
|
$request = $this->getRequest();
|
|
|
|
if (null !== $params) {
|
|
$request->setParams($params);
|
|
}
|
|
|
|
if (null !== $controller) {
|
|
$request->setControllerName($controller);
|
|
|
|
// Module should only be reset if controller has been specified
|
|
if (null !== $module) {
|
|
$request->setModuleName($module);
|
|
}
|
|
}
|
|
|
|
$request->setActionName($action)
|
|
->setDispatched(false);
|
|
}
|
|
|
|
/**
|
|
* Redirect to another URL
|
|
*
|
|
* Proxies to {@link Zend_Controller_Action_Helper_Redirector::gotoUrl()}.
|
|
*
|
|
* @param string $url
|
|
* @param array $options Options to be used when redirecting
|
|
* @return void
|
|
*/
|
|
protected function _redirect($url, array $options = array())
|
|
{
|
|
$this->_helper->redirector->gotoUrl($url, $options);
|
|
}
|
|
}
|