<?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)

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

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

 */

/** Zend_Registry */

require_once 'Zend/Registry.php';

/**

 * Zend_Dojo_View_Helper_Dojo: Dojo View Helper

 *

 * Allows specifying stylesheets, path to dojo, module paths, and onLoad

 * events.

 *

 * @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_Dojo

{

    /**#@+

     * Programmatic dijit creation style constants

     */

    const PROGRAMMATIC_SCRIPT = 1;

    const PROGRAMMATIC_NOSCRIPT = -1;

    /**#@-*/

    /**

     * @var Zend_View_Interface

     */

    public $view;

    /**

     * @var Zend_Dojo_View_Helper_Dojo_Container

     */

    protected $_container;

    /**

     * @var bool Whether or not dijits should be declared programmatically

     */

    protected static $_useProgrammatic = true;

    /**

     * Initialize helper

     *

     * Retrieve container from registry or create new container and store in

     * registry.

     *

     * @return void

     */

    public function __construct()

    {

        $registry = Zend_Registry::getInstance();

        if (!isset($registry[__CLASS__])) {

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

            $container = new Zend_Dojo_View_Helper_Dojo_Container();

            $registry[__CLASS__] = $container;

        }

        $this->_container = $registry[__CLASS__];

    }

    /**

     * Set view object

     *

     * @param  Zend_Dojo_View_Interface $view

     * @return void

     */

    public function setView(Zend_View_Interface $view)

    {

        $this->view = $view;

        $this->_container->setView($view);

    }

    /**

     * Return dojo container

     *

     * @return Zend_Dojo_View_Helper_Dojo_Container

     */

    public function dojo()

    {

        return $this->_container;

    }

    /**

     * Proxy to container methods

     *

     * @param  string $method

     * @param  array $args

     * @return mixed

     * @throws Zend_Dojo_View_Exception For invalid method calls

     */

    public function __call($method, $args)

    {

        if (!method_exists($this->_container, $method)) {

            require_once 'Zend/Dojo/View/Exception.php';

            throw new Zend_Dojo_View_Exception(sprintf('Invalid method "%s" called on dojo view helper', $method));

        }

        return call_user_func_array(array($this->_container, $method), $args);

    }

    /**

     * Set whether or not dijits should be created declaratively

     *

     * @return void

     */

    public static function setUseDeclarative()

    {

        self::$_useProgrammatic = false;

    }

    /**

     * Set whether or not dijits should be created programmatically

     *

     * Optionally, specifiy whether or not dijit helpers should generate the

     * programmatic dojo.

     *

     * @param  int $style

     * @return void

     */

    public static function setUseProgrammatic($style = self::PROGRAMMATIC_SCRIPT)

    {

        if (!in_array($style, array(self::PROGRAMMATIC_SCRIPT, self::PROGRAMMATIC_NOSCRIPT))) {

            $style = self::PROGRAMMATIC_SCRIPT;

        }

        self::$_useProgrammatic = $style;

    }

    /**

     * Should dijits be created declaratively?

     *

     * @return bool

     */

    public static function useDeclarative()

    {

        return (false === self::$_useProgrammatic);

    }

    /**

     * Should dijits be created programmatically?

     *

     * @return bool

     */

    public static function useProgrammatic()

    {

        return (false !== self::$_useProgrammatic);

    }

    /**

     * Should dijits be created programmatically but without scripts?

     *

     * @return bool

     */

    public static function useProgrammaticNoScript()

    {

        return (self::PROGRAMMATIC_NOSCRIPT === self::$_useProgrammatic);

    }

}