<?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_Pdf

 * @subpackage Destination

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

 */

/** Internally used classes */

require_once 'Zend/Pdf/Element.php';

/** Zend_Pdf_Destination */

require_once 'Zend/Pdf/Destination.php';

/**

 * Abstract PDF explicit destination representation class

 *

 * @package    Zend_Pdf

 * @subpackage Destination

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

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

 */

abstract class Zend_Pdf_Destination_Explicit extends Zend_Pdf_Destination

{

    /**

     * Destination description array

     *

     * @var Zend_Pdf_Element_Array

     */

    protected $_destinationArray;

    /**

     * True if it's a remote destination

     *

     * @var boolean

     */

    protected $_isRemote;

    /**

     * Explicit destination object constructor

     *

     * @param Zend_Pdf_Element $destinationArray

     * @throws Zend_Pdf_Exception

     */

    public function __construct(Zend_Pdf_Element $destinationArray)

    {

        if ($destinationArray->getType() != Zend_Pdf_Element::TYPE_ARRAY) {

            require_once 'Zend/Pdf/Exception.php';

            throw new Zend_Pdf_Exception('Explicit destination resource Array must be a direct or an indirect array object.');

        }

        $this->_destinationArray = $destinationArray;

        switch (count($this->_destinationArray->items)) {

            case 0:

                require_once 'Zend/Pdf/Exception.php';

                throw new Zend_Pdf_Exception('Destination array must contain a page reference.');

                break;

            case 1:

                require_once 'Zend/Pdf/Exception.php';

                throw new Zend_Pdf_Exception('Destination array must contain a destination type name.');

                break;

            default:

                // Do nothing

                break;

        }

        switch ($this->_destinationArray->items[0]->getType()) {

            case Zend_Pdf_Element::TYPE_NUMERIC:

                $this->_isRemote = true;

                break;

            case Zend_Pdf_Element::TYPE_DICTIONARY:

                $this->_isRemote = false;

                break;

            default:

                require_once 'Zend/Pdf/Exception.php';

                throw new Zend_Pdf_Exception('Destination target must be a page number or page dictionary object.');

                break;

        }

    }

    /**

     * Returns true if it's a remote destination

     *

     * @return boolean

     */

    public function isRemote()

    {

        return $this->_isRemote;

    }

    /**

     * Get resource

     *

     * @internal

     * @return Zend_Pdf_Element

     */

    public function getResource()

    {

        return $this->_destinationArray;

    }

}