Annotation.php

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<?php
#require_once 'Zend/Pdf/Element.php';

abstract class Zend_Pdf_Annotation
{
    protected $_annotationDictionary;

    public function getResource()
    {
        return $this->_annotationDictionary;
    }


    public function setBottom($bottom) {
        $this->_annotationDictionary->Rect->items[1]->touch();
        $this->_annotationDictionary->Rect->items[1]->value = $bottom;

        return $this;
    }

    public function getBottom() {
        return $this->_annotationDictionary->Rect->items[1]->value;
    }

    public function setTop($top) {
        $this->_annotationDictionary->Rect->items[3]->touch();
        $this->_annotationDictionary->Rect->items[3]->value = $top;

        return $this;
    }

    public function getTop() {
        return $this->_annotationDictionary->Rect->items[3]->value;
    }

    public function setRight($right) {
        $this->_annotationDictionary->Rect->items[2]->touch();
        $this->_annotationDictionary->Rect->items[2]->value = $right;

        return $this;
    }

    public function getRight() {
        return $this->_annotationDictionary->Rect->items[2]->value;
    }

    public function setLeft($left) {
        $this->_annotationDictionary->Rect->items[0]->touch();
        $this->_annotationDictionary->Rect->items[0]->value = $left;

        return $this;
    }

    public function getLeft() {
        return $this->_annotationDictionary->Rect->items[0]->value;
    }

    public function getText() {
        if ($this->_annotationDictionary->Contents === null) {
            return '';
        }

        return $this->_annotationDictionary->Contents->value;
    }

    public function setText($text) {
        #require_once 'Zend/Pdf/Element/String.php';

        if ($this->_annotationDictionary->Contents === null) {
            $this->_annotationDictionary->touch();
            $this->_annotationDictionary->Contents = new Zend_Pdf_Element_String($text);
        } else {
            $this->_annotationDictionary->Contents->touch();
            $this->_annotationDictionary->Contents->value = new Zend_Pdf_Element_String($text);
        }

        return $this;
    }

    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.');
        }

        $this->_annotationDictionary = $annotationDictionary;

        if ($this->_annotationDictionary->Type !== null  &&
            $this->_annotationDictionary->Type->value != 'Annot') {
            #require_once 'Zend/Pdf/Exception.php';
            throw new Zend_Pdf_Exception('Wrong resource type. \'Annot\' expected.');
        }

        if ($this->_annotationDictionary->Rect === null) {
            #require_once 'Zend/Pdf/Exception.php';
            throw new Zend_Pdf_Exception('\'Rect\' dictionary entry is required.');
        }

        if (count($this->_annotationDictionary->Rect->items) != 4 ||
            $this->_annotationDictionary->Rect->items[0]->getType() != Zend_Pdf_Element::TYPE_NUMERIC ||
            $this->_annotationDictionary->Rect->items[1]->getType() != Zend_Pdf_Element::TYPE_NUMERIC ||
            $this->_annotationDictionary->Rect->items[2]->getType() != Zend_Pdf_Element::TYPE_NUMERIC ||
            $this->_annotationDictionary->Rect->items[3]->getType() != Zend_Pdf_Element::TYPE_NUMERIC ) {
            #require_once 'Zend/Pdf/Exception.php';
            throw new Zend_Pdf_Exception('\'Rect\' dictionary entry must be an array of four numeric elements.');
        }
    }

    public static function load(Zend_Pdf_Element $resource)
    {
    }
}