<?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_Dojo

 * @subpackage View

 * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)

 * @license    http://framework.zend.com/license/new-bsd     New BSD License

 * @version    $Id: ComboBox.php 20096 2010-01-06 02:05:09Z bkarwin $

 */

/** Zend_Dojo_View_Helper_Dijit */

require_once 'Zend/Dojo/View/Helper/Dijit.php';

/**

 * Dojo ComboBox dijit

 *

 * @uses       Zend_Dojo_View_Helper_Dijit

 * @package    Zend_Dojo

 * @subpackage View

 * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)

 * @license    http://framework.zend.com/license/new-bsd     New BSD License

  */

class Zend_Dojo_View_Helper_ComboBox extends Zend_Dojo_View_Helper_Dijit

{

    /**

     * Dijit being used

     * @var string

     */

    protected $_dijit  = 'dijit.form.ComboBox';

    /**

     * HTML element type

     * @var string

     */

    protected $_elementType = 'text';

    /**

     * Dojo module to use

     * @var string

     */

    protected $_module = 'dijit.form.ComboBox';

    /**

     * dijit.form.ComboBox

     *

     * @param  int $id

     * @param  mixed $value

     * @param  array $params  Parameters to use for dijit creation

     * @param  array $attribs HTML attributes

     * @param  array|null $options Select options

     * @return string

     */

    public function comboBox($id, $value = null, array $params = array(), array $attribs = array(), array $options = null)

    {

        $html = '';

        if (!array_key_exists('id', $attribs)) {

            $attribs['id'] = $id;

        }

        if (array_key_exists('store', $params) && is_array($params['store'])) {

            // using dojo.data datastore

            if (false !== ($store = $this->_renderStore($params['store'], $id))) {

                $params['store'] = $params['store']['store'];

                if (is_string($store)) {

                    $html .= $store;

                }

                $html .= $this->_createFormElement($id, $value, $params, $attribs);

                return $html;

            }

            unset($params['store']);

        } elseif (array_key_exists('store', $params)) {

            if (array_key_exists('storeType', $params)) {

                $storeParams = array(

                    'store' => $params['store'],

                    'type'  => $params['storeType'],

                );

                unset($params['storeType']);

                if (array_key_exists('storeParams', $params)) {

                    $storeParams['params'] = $params['storeParams'];

                    unset($params['storeParams']);

                }

                if (false !== ($store = $this->_renderStore($storeParams, $id))) {

                    if (is_string($store)) {

                        $html .= $store;

                    }

                }

            }

            $html .= $this->_createFormElement($id, $value, $params, $attribs);

            return $html;

        }

        // do as normal select

        $attribs = $this->_prepareDijit($attribs, $params, 'element');

        return $this->view->formSelect($id, $value, $attribs, $options);

    }

    /**

     * Render data store element

     *

     * Renders to dojo view helper

     *

     * @param  array $params

     * @return string|false

     */

    protected function _renderStore(array $params, $id)

    {

        if (!array_key_exists('store', $params) || !array_key_exists('type', $params)) {

            return false;

        }

        $this->dojo->requireModule($params['type']);

        $extraParams = array();

        $storeParams = array(

            'dojoType' => $params['type'],

            'jsId'     => $params['store'],

        );

        if (array_key_exists('params', $params)) {

            $storeParams = array_merge($storeParams, $params['params']);

            $extraParams = $params['params'];

        }

        if ($this->_useProgrammatic()) {

            if (!$this->_useProgrammaticNoScript()) {

                require_once 'Zend/Json.php';

                $this->dojo->addJavascript('var ' . $storeParams['jsId'] . ";\n");

                $js = $storeParams['jsId'] . ' = '

                    . 'new ' . $storeParams['dojoType'] . '('

                    .     Zend_Json::encode($extraParams)

                    . ");\n";

                $js = "function() {\n$js\n}";

                $this->dojo->_addZendLoad($js);

            }

            return true;

        }

        return '<div' . $this->_htmlAttribs($storeParams) . '></div>';

    }

}