<?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 Annotation

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

 */

/** Internally used classes */

require_once 'Zend/Pdf/Element.php';

require_once 'Zend/Pdf/Element/Array.php';

require_once 'Zend/Pdf/Element/Dictionary.php';

require_once 'Zend/Pdf/Element/Name.php';

require_once 'Zend/Pdf/Element/Numeric.php';

require_once 'Zend/Pdf/Element/String.php';

/** Zend_Pdf_Annotation */

require_once 'Zend/Pdf/Annotation.php';

/**

 * A file attachment annotation contains a reference to a file,

 * which typically is embedded in the PDF file.

 *

 * @package    Zend_Pdf

 * @subpackage Annotation

 * @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_Pdf_Annotation_FileAttachment extends Zend_Pdf_Annotation

{

    /**

     * Annotation object constructor

     *

     * @throws Zend_Pdf_Exception

     */

    public function __construct(Zend_Pdf_Element $annotationDictionary)

    {

        if ($annotationDictionary->getType() != Zend_Pdf_Element::TYPE_DICTIONARY) {

            require_once 'Zend/Pdf/Exception.php';

            throw new Zend_Pdf_Exception('Annotation dictionary resource has to be a dictionary.');

        }

        if ($annotationDictionary->Subtype === null  ||

            $annotationDictionary->Subtype->getType() != Zend_Pdf_Element::TYPE_NAME  ||

            $annotationDictionary->Subtype->value != 'FileAttachment') {

            require_once 'Zend/Pdf/Exception.php';

            throw new Zend_Pdf_Exception('Subtype => FileAttachment entry is requires');

        }

        parent::__construct($annotationDictionary);

    }

    /**

     * Create link annotation object

     *

     * @param float $x1

     * @param float $y1

     * @param float $x2

     * @param float $y2

     * @param string $fileSpecification

     * @return Zend_Pdf_Annotation_FileAttachment

     */

    public static function create($x1, $y1, $x2, $y2, $fileSpecification)

    {

        $annotationDictionary = new Zend_Pdf_Element_Dictionary();

        $annotationDictionary->Type    = new Zend_Pdf_Element_Name('Annot');

        $annotationDictionary->Subtype = new Zend_Pdf_Element_Name('FileAttachment');

        $rectangle = new Zend_Pdf_Element_Array();

        $rectangle->items[] = new Zend_Pdf_Element_Numeric($x1);

        $rectangle->items[] = new Zend_Pdf_Element_Numeric($y1);

        $rectangle->items[] = new Zend_Pdf_Element_Numeric($x2);

        $rectangle->items[] = new Zend_Pdf_Element_Numeric($y2);

        $annotationDictionary->Rect = $rectangle;

        $fsDictionary = new Zend_Pdf_Element_Dictionary();

        $fsDictionary->Type = new Zend_Pdf_Element_Name('Filespec');

        $fsDictionary->F    = new Zend_Pdf_Element_String($fileSpecification);

        $annotationDictionary->FS = $fsDictionary;

        return new Zend_Pdf_Annotation_FileAttachment($annotationDictionary);

    }

}