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<?php
/**
* Zend Framework
*
* LICENSE
*
* This source file is subject to the new BSD license that is bundled
* with this package in the file LICENSE.txt.
* It is also available through the world-wide-web at this URL:
* http://framework.zend.com/license/new-bsd
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to license@zend.com so we can send you a copy immediately.
*
* @category Zend
* @package Zend_View
* @subpackage Helper
* @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
* @version $Id: Partial.php 16222 2009-06-21 19:55:20Z thomas $
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
/** Zend_View_Helper_Abstract.php */
require_once 'Zend/View/Helper/Abstract.php';
/**
* Helper for rendering a template fragment in its own variable scope.
*
* @package Zend_View
* @subpackage Helper
* @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
class Zend_View_Helper_Partial extends Zend_View_Helper_Abstract
{
/**
* Variable to which object will be assigned
* @var string
*/
protected $_objectKey;
/**
* Renders a template fragment within a variable scope distinct from the
* calling View object.
*
* If no arguments are passed, returns the helper instance.
*
* If the $model is an array, it is passed to the view object's assign()
* method.
*
* If the $model is an object, it first checks to see if the object
* implements a 'toArray' method; if so, it passes the result of that
* method to to the view object's assign() method. Otherwise, the result of
* get_object_vars() is passed.
*
* @param string $name Name of view script
* @param string|array $module If $model is empty, and $module is an array,
* these are the variables to populate in the
* view. Otherwise, the module in which the
* partial resides
* @param array $model Variables to populate in the view
* @return string|Zend_View_Helper_Partial
*/
public function partial($name = null, $module = null, $model = null)
{
if (0 == func_num_args()) {
return $this;
}
$view = $this->cloneView();
if (isset($this->partialCounter)) {
$view->partialCounter = $this->partialCounter;
}
if ((null !== $module) && is_string($module)) {
require_once 'Zend/Controller/Front.php';
$moduleDir = Zend_Controller_Front::getInstance()->getControllerDirectory($module);
if (null === $moduleDir) {
require_once 'Zend/View/Helper/Partial/Exception.php';
throw new Zend_View_Helper_Partial_Exception('Cannot render partial; module does not exist');
}
$viewsDir = dirname($moduleDir) . '/views';
$view->addBasePath($viewsDir);
} elseif ((null == $model) && (null !== $module)
&& (is_array($module) || is_object($module)))
{
$model = $module;
}
if (!empty($model)) {
if (is_array($model)) {
$view->assign($model);
} elseif (is_object($model)) {
if (null !== ($objectKey = $this->getObjectKey())) {
$view->assign($objectKey, $model);
} elseif (method_exists($model, 'toArray')) {
$view->assign($model->toArray());
} else {
$view->assign(get_object_vars($model));
}
}
}
return $view->render($name);
}
/**
* Clone the current View
*
* @return Zend_View_Interface
*/
public function cloneView()
{
$view = clone $this->view;
$view->clearVars();
return $view;
}
/**
* Set object key
*
* @param string $key
* @return Zend_View_Helper_Partial
*/
public function setObjectKey($key)
{
if (null === $key) {
$this->_objectKey = null;
} else {
$this->_objectKey = (string) $key;
}
return $this;
}
/**
* Retrieve object key
*
* The objectKey is the variable to which an object in the iterator will be
* assigned.
*
* @return null|string
*/
public function getObjectKey()
{
return $this->_objectKey;
}
}
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