URI.php

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<?php
#require_once 'Zend/Pdf/Element/Dictionary.php';
#require_once 'Zend/Pdf/Element/Name.php';
#require_once 'Zend/Pdf/Element/String.php';
#require_once 'Zend/Pdf/Element/Boolean.php';


#require_once 'Zend/Pdf/Action.php';


class Zend_Pdf_Action_URI extends Zend_Pdf_Action
{
    public function __construct(Zend_Pdf_Element $dictionary, SplObjectStorage $processedActions)
    {
        parent::__construct($dictionary, $processedActions);

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

    protected static function _validateUri($uri)
    {
        $scheme = parse_url((string)$uri, PHP_URL_SCHEME);
        if ($scheme === false || $scheme === null) {
            #require_once 'Zend/Pdf/Exception.php';
            throw new Zend_Pdf_Exception('Invalid URI');
        }
    }

    public static function create($uri, $isMap = false)
    {
        self::_validateUri($uri);

        $dictionary = new Zend_Pdf_Element_Dictionary();
        $dictionary->Type = new Zend_Pdf_Element_Name('Action');
        $dictionary->S    = new Zend_Pdf_Element_Name('URI');
        $dictionary->Next = null;
        $dictionary->URI  = new Zend_Pdf_Element_String($uri);
        if ($isMap) {
            $dictionary->IsMap = new Zend_Pdf_Element_Boolean(true);
        }

        return new Zend_Pdf_Action_URI($dictionary, new SplObjectStorage());
    }

    public function setUri($uri)
    {
        $this->_validateUri($uri);

        $this->_actionDictionary->touch();
        $this->_actionDictionary->URI = new Zend_Pdf_Element_String($uri);

        return $this;
    }

    public function getUri()
    {
        return $this->_actionDictionary->URI->value;
    }

    public function setIsMap($isMap)
    {
        $this->_actionDictionary->touch();

        if ($isMap) {
            $this->_actionDictionary->IsMap = new Zend_Pdf_Element_Boolean(true);
        } else {
            $this->_actionDictionary->IsMap = null;
        }

        return $this;
    }

    public function getIsMap()
    {
        return $this->_actionDictionary->IsMap !== null  &&
               $this->_actionDictionary->IsMap->value;
    }
}