<?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_Gdata

 * @subpackage YouTube

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

 */

/**

 * @see Zend_Gdata_App_Extension_Control

 */

require_once 'Zend/Gdata/App/Extension/Control.php';

/**

 * @see Zend_Gdata_YouTube_Extension_State

 */

require_once 'Zend/Gdata/YouTube/Extension/State.php';

/**

 * Specialized Control class for use with YouTube. Enables use of yt extension elements.

 *

 * @category   Zend

 * @package    Zend_Gdata

 * @subpackage YouTube

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

 */

class Zend_Gdata_YouTube_Extension_Control extends Zend_Gdata_App_Extension_Control

{

    protected $_state = null;

    /**

     * Constructs a new Zend_Gdata_Calendar_Extension_Control object.

     * @see Zend_Gdata_App_Extension_Control#__construct

     * @param Zend_Gdata_App_Extension_Draft $draft

     * @param Zend_Gdata_YouTube_Extension_State $state

     */

    public function __construct($draft = null, $state = null)

    {

        $this->registerAllNamespaces(Zend_Gdata_YouTube::$namespaces);

        parent::__construct($draft);

        $this->_state = $state;

    }

    /**

     * Retrieves a DOMElement which corresponds to this element and all

     * child properties.  This is used to build an entry back into a DOM

     * and eventually XML text for sending to the server upon updates, or

     * for application storage/persistence.

     *

     * @param DOMDocument $doc The DOMDocument used to construct DOMElements

     * @return DOMElement The DOMElement representing this element and all

     * child properties.

     */

    public function getDOM($doc = null, $majorVersion = 1, $minorVersion = null)

    {

        $element = parent::getDOM($doc, $majorVersion, $minorVersion);

        if ($this->_state != null) {

            $element->appendChild($this->_state->getDOM($element->ownerDocument));

        }

        return $element;

    }

    /**

     * Creates individual Entry objects of the appropriate type and

     * stores them as members of this entry based upon DOM data.

     *

     * @param DOMNode $child The DOMNode to process

     */

    protected function takeChildFromDOM($child)

    {

        $absoluteNodeName = $child->namespaceURI . ':' . $child->localName;

        switch ($absoluteNodeName) {

        case $this->lookupNamespace('yt') . ':' . 'state':

            $state = new Zend_Gdata_YouTube_Extension_State();

            $state->transferFromDOM($child);

            $this->_state = $state;

            break;

        default:

            parent::takeChildFromDOM($child);

            break;

        }

    }

    /**

     * Get the value for this element's state attribute.

     *

     * @return Zend_Gdata_YouTube_Extension_State The state element.

     */

    public function getState()

    {

        return $this->_state;

    }

    /**

     * Set the value for this element's state attribute.

     *

     * @param Zend_Gdata_YouTube_Extension_State $value The desired value for this attribute.

     * @return Zend_YouTube_Extension_Control The element being modified.

     */

    public function setState($value)

    {

        $this->_state = $value;

        return $this;

    }

    /**

    * Get the value of this element's state attribute.

    *

    * @return string The state's text value

    */

    public function getStateValue()

    {

      return $this->getState()->getText();

    }

}