<?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) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
/** Zend_Form_Decorator_ViewHelper */
require_once 'Zend/Form/Decorator/ViewHelper.php';
/**
* Zend_Dojo_Form_Decorator_DijitElement
*
* Render a dojo dijit element via a view helper
*
* Accepts the following options:
* - separator: string with which to separate passed in content and generated content
* - placement: whether to append or prepend the generated content to the passed in content
* - helper: the name of the view helper to use
*
* Assumes the view helper accepts three parameters, the name, value, and
* optional attributes; these will be provided by the element.
*
* @package Zend_Dojo
* @subpackage Form_Decorator
* @copyright Copyright (c) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @version $Id: DijitElement.php 24594 2012-01-05 21:27:01Z matthew $
*/
class Zend_Dojo_Form_Decorator_DijitElement extends Zend_Form_Decorator_ViewHelper
{
/**
* Element attributes
* @var array
*/
protected $_attribs;
/**
* Element types that represent buttons
* @var array
*/
protected $_buttonTypes = array(
'Zend_Dojo_Form_Element_Button',
'Zend_Form_Element_Button',
'Zend_Form_Element_Reset',
'Zend_Form_Element_Submit',
);
/**
* Dijit option parameters
* @var array
*/
protected $_dijitParams = array();
/**
* Get element attributes
*
* @return array
*/
public function getElementAttribs()
{
if (null === $this->_attribs) {
$this->_attribs = parent::getElementAttribs();
if (array_key_exists('dijitParams', $this->_attribs)) {
$this->setDijitParams($this->_attribs['dijitParams']);
unset($this->_attribs['dijitParams']);
}
}
return $this->_attribs;
}
/**
* Set a single dijit option parameter
*
* @param string $key
* @param mixed $value
* @return Zend_Dojo_Form_Decorator_DijitContainer
*/
public function setDijitParam($key, $value)
{
$this->_dijitParams[(string) $key] = $value;
return $this;
}
/**
* Set dijit option parameters
*
* @param array $params
* @return Zend_Dojo_Form_Decorator_DijitContainer
*/
public function setDijitParams(array $params)
{
$this->_dijitParams = array_merge($this->_dijitParams, $params);
return $this;
}
/**
* Retrieve a single dijit option parameter
*
* @param string $key
* @return mixed|null
*/
public function getDijitParam($key)
{
$this->getElementAttribs();
$key = (string) $key;
if (array_key_exists($key, $this->_dijitParams)) {
return $this->_dijitParams[$key];
}
return null;
}
/**
* Get dijit option parameters
*
* @return array
*/
public function getDijitParams()
{
$this->getElementAttribs();
return $this->_dijitParams;
}
/**
* Render an element using a view helper
*
* Determine view helper from 'helper' option, or, if none set, from
* the element type. Then call as
* helper($element->getName(), $element->getValue(), $element->getAttribs())
*
* @param string $content
* @return string
* @throws Zend_Form_Decorator_Exception if element or view are not registered
*/
public function render($content)
{
$element = $this->getElement();
$view = $element->getView();
if (null === $view) {
require_once 'Zend/Form/Decorator/Exception.php';
throw new Zend_Form_Decorator_Exception('DijitElement decorator cannot render without a registered view object');
}
$options = null;
$helper = $this->getHelper();
$separator = $this->getSeparator();
$value = $this->getValue($element);
$attribs = $this->getElementAttribs();
$name = $element->getFullyQualifiedName();
$dijitParams = $this->getDijitParams();
$dijitParams['required'] = $element->isRequired();
$id = $element->getId();
if ($view->dojo()->hasDijit($id)) {
trigger_error(sprintf('Duplicate dijit ID detected for id "%s; temporarily generating uniqid"', $id), E_USER_NOTICE);
$base = $id;
do {
$id = $base . '-' . uniqid();
} while ($view->dojo()->hasDijit($id));
}
$attribs['id'] = $id;
if (array_key_exists('options', $attribs)) {
$options = $attribs['options'];
}
$elementContent = $view->$helper($name, $value, $dijitParams, $attribs, $options);
switch ($this->getPlacement()) {
case self::APPEND:
return $content . $separator . $elementContent;
case self::PREPEND:
return $elementContent . $separator . $content;
default:
return $elementContent;
}
}
}