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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
* @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
/** Zend_Form_Decorator_Abstract */
require_once 'Zend/Form/Decorator/Abstract.php';
/**
* Zend_Dojo_Form_Decorator_DijitContainer
*
* Render a dojo dijit layout container via a view helper
*
* Accepts the following options:
* - helper: the name of the view helper to use
*
* Assumes the view helper accepts four parameters, the id, content, dijit
* parameters, and (X)HTML attributes; these will be provided by the element.
*
* @uses Zend_Form_Decorator_Abstract
* @package Zend_Dojo
* @subpackage Form_Decorator
* @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @version $Id: DijitContainer.php 18951 2009-11-12 16:26:19Z alexander $
*/
abstract class Zend_Dojo_Form_Decorator_DijitContainer extends Zend_Form_Decorator_Abstract
{
/**
* View helper
* @var string
*/
protected $_helper;
/**
* Element attributes
* @var array
*/
protected $_attribs;
/**
* Dijit option parameters
* @var array
*/
protected $_dijitParams;
/**
* Container title
* @var string
*/
protected $_title;
/**
* Get view helper for rendering container
*
* @return string
*/
public function getHelper()
{
if (null === $this->_helper) {
require_once 'Zend/Form/Decorator/Exception.php';
throw new Zend_Form_Decorator_Exception('No view helper specified fo DijitContainer decorator');
}
return $this->_helper;
}
/**
* Get element attributes
*
* @return array
*/
public function getAttribs()
{
if (null === $this->_attribs) {
$attribs = $this->getElement()->getAttribs();
if (array_key_exists('dijitParams', $attribs)) {
unset($attribs['dijitParams']);
}
$this->_attribs = $attribs;
}
return $this->_attribs;
}
/**
* Get dijit option parameters
*
* @return array
*/
public function getDijitParams()
{
if (null === $this->_dijitParams) {
$attribs = $this->getElement()->getAttribs();
if (array_key_exists('dijitParams', $attribs)) {
$this->_dijitParams = $attribs['dijitParams'];
} else {
$this->_dijitParams = array();
}
$options = $this->getOptions();
if (array_key_exists('dijitParams', $options)) {
$this->_dijitParams = array_merge($this->_dijitParams, $options['dijitParams']);
$this->removeOption('dijitParams');
}
}
// Ensure we have a title param
if (!array_key_exists('title', $this->_dijitParams)) {
$this->_dijitParams['title'] = $this->getTitle();
}
return $this->_dijitParams;
}
/**
* Get title
*
* @return string
*/
public function getTitle()
{
if (null === $this->_title) {
$title = null;
if (null !== ($element = $this->getElement())) {
if (method_exists($element, 'getLegend')) {
$title = $element->getLegend();
}
}
if (empty($title) && (null !== ($title = $this->getOption('legend')))) {
$this->removeOption('legend');
}
if (empty($title) && (null !== ($title = $this->getOption('title')))) {
$this->removeOption('title');
}
if (!empty($title)) {
if (null !== ($translator = $element->getTranslator())) {
$title = $translator->translate($title);
}
$this->_title = $title;
}
}
return (empty($this->_title) ? '' : $this->_title);
}
/**
* Render a dijit layout container
*
* Replaces $content entirely from currently set element.
*
* @param string $content
* @return string
*/
public function render($content)
{
$element = $this->getElement();
$view = $element->getView();
if (null === $view) {
return $content;
}
$dijitParams = $this->getDijitParams();
$attribs = array_merge($this->getAttribs(), $this->getOptions());
if (array_key_exists('legend', $attribs)) {
if (!array_key_exists('title', $dijitParams) || empty($dijitParams['title'])) {
$dijitParams['title'] = $attribs['legend'];
}
unset($attribs['legend']);
}
$helper = $this->getHelper();
$id = $element->getId() . '-' . $helper;
if ($view->dojo()->hasDijit($id)) {
trigger_error(sprintf('Duplicate dijit ID detected for id "%s; temporarily generating uniqid"', $id), E_USER_WARNING);
$base = $id;
do {
$id = $base . '-' . uniqid();
} while ($view->dojo()->hasDijit($id));
}
return $view->$helper($id, $content, $dijitParams, $attribs);
}
}
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