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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_Form
* @subpackage Decorator
* @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
/** Zend_Form_Decorator_Abstract */
/**
* Zend_Form_Decorator_ViewScript
*
* Render a view script as a decorator
*
* Accepts the options:
* - separator: separator to use between view script content and provided content (defaults to PHP_EOL)
* - placement: whether to append or prepend view script content to provided content (defaults to prepend)
* - viewScript: view script to use
* - viewModule: module that view script is in (optional)
*
* The view script is rendered as a partial; the element being decorated is
* passed in as the 'element' variable:
* <code>
* // in view script:
* echo $this->element->getLabel();
* </code>
*
* Any options other than separator, placement, viewScript, and viewModule are passed to
* the partial as local variables.
*
* @category Zend
* @package Zend_Form
* @subpackage Decorator
* @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @version $Id$
*/
class Zend_Form_Decorator_ViewScript extends Zend_Form_Decorator_Abstract
{
/**
* Default placement: append
* @var string
*/
protected $_placement = 'APPEND';
/**
* View script to render
* @var string
*/
protected $_viewScript;
/**
* View script module
* @var string
*/
protected $_viewModule;
/**
* Set view script
*
* @param string $script
* @return Zend_Form_Decorator_ViewScript
*/
public function setViewScript($script)
{
$this->_viewScript = (string) $script;
return $this;
}
/**
* Get view script
*
* @return string|null
*/
public function getViewScript()
{
if (null === $this->_viewScript) {
if (null !== ($element = $this->getElement())) {
if (null !== ($viewScript = $element->getAttrib('viewScript'))) {
$this->setViewScript($viewScript);
return $viewScript;
}
}
if (null !== ($viewScript = $this->getOption('viewScript'))) {
$this->setViewScript($viewScript)
->removeOption('viewScript');
}
}
return $this->_viewScript;
}
/**
* Set view script module
*
* @param string $module
* @return Zend_Form_Decorator_ViewScript
*/
public function setViewModule($viewModule)
{
$this->_viewModule = (string) $viewModule;
return $this;
}
/**
* Get view script module
*
* @return string|null
*/
public function getViewModule()
{
if (null === $this->_viewModule) {
if (null !== ($element = $this->getElement())) {
if (null !== ($viewModule = $element->getAttrib('viewModule'))) {
$this->setViewModule($viewModule);
return $viewModule;
}
}
if (null !== ($viewModule = $this->getOption('viewModule'))) {
$this->setViewModule($viewModule)
->removeOption('viewModule');
}
}
return $this->_viewModule;
}
/**
* Render a view script
*
* @param string $content
* @return string
*/
public function render($content)
{
$element = $this->getElement();
$view = $element->getView();
if (null === $view) {
return $content;
}
$viewScript = $this->getViewScript();
if (empty($viewScript)) {
throw new Zend_Form_Exception('No view script registered with ViewScript decorator');
}
$separator = $this->getSeparator();
$placement = $this->getPlacement();
$vars = $this->getOptions();
$vars['element'] = $element;
$vars['content'] = $content;
$vars['decorator'] = $this;
$viewModule = $this->getViewModule();
if (empty($viewModule)) {
$renderedContent = $view->partial($viewScript, $vars);
} else {
$renderedContent = $view->partial($viewScript, $viewModule, $vars);
}
// Get placement again to see if it has changed
$placement = $this->getPlacement();
switch ($placement) {
case self::PREPEND:
return $renderedContent . $separator . $content;
case self::APPEND:
return $content . $separator . $renderedContent;
default:
return $renderedContent;
}
}
}
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