Link.php

Go to the documentation of this file.

<?php
#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/Annotation.php';

class Zend_Pdf_Annotation_Link extends Zend_Pdf_Annotation
{
    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 != 'Link') {
            #require_once 'Zend/Pdf/Exception.php';
            throw new Zend_Pdf_Exception('Subtype => Link entry is requires');
        }

        parent::__construct($annotationDictionary);
    }

    public static function create($x1, $y1, $x2, $y2, $target)
    {
        if (is_string($target)) {
            #require_once 'Zend/Pdf/Destination/Named.php';
            $target = Zend_Pdf_Destination_Named::create($target);
        }
        if (!$target instanceof Zend_Pdf_Target) {
            #require_once 'Zend/Pdf/Exception.php';
            throw new Zend_Pdf_Exception('$target parameter must be a Zend_Pdf_Target object or a string.');
        }

        $annotationDictionary = new Zend_Pdf_Element_Dictionary();

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

        $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;

        if ($target instanceof Zend_Pdf_Destination) {
            $annotationDictionary->Dest = $target->getResource();
        } else {
            $annotationDictionary->A = $target->getResource();
        }

        return new Zend_Pdf_Annotation_Link($annotationDictionary);
    }

    public function setDestination($target)
    {
        if (is_string($target)) {
            #require_once 'Zend/Pdf/Destination/Named.php';
            $destination = Zend_Pdf_Destination_Named::create($target);
        }
        if (!$target instanceof Zend_Pdf_Target) {
            #require_once 'Zend/Pdf/Exception.php';
            throw new Zend_Pdf_Exception('$target parameter must be a Zend_Pdf_Target object or a string.');
        }

        $this->_annotationDictionary->touch();
        $this->_annotationDictionary->Dest = $destination->getResource();
        if ($target instanceof Zend_Pdf_Destination) {
            $this->_annotationDictionary->Dest = $target->getResource();
            $this->_annotationDictionary->A    = null;
        } else {
            $this->_annotationDictionary->Dest = null;
            $this->_annotationDictionary->A    = $target->getResource();
        }

        return $this;
    }

    public function getDestination()
    {
        if ($this->_annotationDictionary->Dest === null  &&
            $this->_annotationDictionary->A    === null) {
            return null;
        }

        if ($this->_annotationDictionary->Dest !== null) {
            #require_once 'Zend/Pdf/Destination.php';
            return Zend_Pdf_Destination::load($this->_annotationDictionary->Dest);
        } else {
            #require_once 'Zend/Pdf/Action.php';
            return Zend_Pdf_Action::load($this->_annotationDictionary->A);
        }
    }
}