2017-05-01 20:05:36 +02:00

96 lines
2.6 KiB
PHP

<?php
/**
* PluginProxy class for Zend View
*
* This software is provided 'as-is', without any express or implied warranty.
* In no event will the authors be held liable for any damages arising from the
* use of this software.
*
* @author Denis Arh <denis@arh.cc>
* @author Jordi Boggiano <j.boggiano@seld.be>
* @copyright Copyright (c) 2008, Denis Arh, Jordi Boggiano
* @license http://dwoo.org/LICENSE Modified BSD License
* @link http://dwoo.org/
* @version 1.0.0
* @date 2008-10-23
* @package Dwoo
*/
class Dwoo_Adapters_ZendFramework_PluginProxy implements Dwoo_IPluginProxy
{
/**
* reference to the zend view owning this proxy
*
* @var Zend_View_Interface
*/
public $view;
/**
* Dwoo_Adapters_ZendFramework_PluginProxy's constructor.
*
* @param Zend_View_Interface $view
*/
public function __construct(Zend_View_Interface $view) {
$this->view = $view;
}
/**
* Called from Dwoo_Compiler to check if the requested plugin is available
*
* @param string $name
* @return bool
*/
public function handles($name) {
try {
$this->view->getHelper($name);
} catch (Zend_Loader_PluginLoader_Exception $e) {
return false;
}
return true;
}
/**
* returns the code (as a string) to call the plugin
* (this will be executed at runtime inside the Dwoo class)
*
* @param string $name the plugin name
* @param array $params a parameter array, array key "*" is the rest array
* @return string
*/
public function getCode($name, $params) {
return '$this->getPluginProxy()->view->'. $name .'('.Dwoo_Compiler::implode_r($params).')';
}
/**
* returns a callback to the plugin, this is used with the reflection API to
* find out about the plugin's parameter names etc.
*
* should you need a rest array (i.e. for ZendFramework helpers) without the
* possibility to edit the plugin's code, you can provide a callback to some
* other function with the correct parameter signature, i.e. :
* <code>
* return array($this, "callbackHelper");
* // and callbackHelper would be as such:
* public function callbackHelper(array $rest=array()){}
* </code>
*
* @param string $name the plugin name
* @return callback
*/
public function getCallback($name) {
return array($this->view->getHelper($name), $name);
}
/**
* returns some code that will check if the plugin is loaded and if not load it
* this is optional, if your plugins are autoloaded or whatever, just return an
* empty string
*
* @param string $name the plugin name
* @return string
*/
public function getLoader($name) {
return '';
}
}