1 <?php

     2 /**

     3  * Zend Framework

     4  *

     5  * LICENSE

     6  *

     7  * This source file is subject to the new BSD license that is bundled

     8  * with this package in the file LICENSE.txt.

     9  * It is also available through the world-wide-web at this URL:

    10  * http://framework.zend.com/license/new-bsd

    11  * If you did not receive a copy of the license and are unable to

    12  * obtain it through the world-wide-web, please send an email

    13  * to license@zend.com so we can send you a copy immediately.

    14  *

    15  * @category   Zend

    16  * @package    Zend_Pdf

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

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

    19  * @version    $Id: Proxy.php 22797 2010-08-06 15:02:12Z alexander $

    20  */

    21 

    22 /** Zend_Pdf_ElementFactory_Interface */

    23 require_once 'Zend/Pdf/ElementFactory/Interface.php';

    24 

    25 /**

    26  * PDF element factory interface.

    27  * Responsibility is to log PDF changes

    28  *

    29  * @package    Zend_Pdf

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

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

    32  */

    33 class Zend_Pdf_ElementFactory_Proxy implements Zend_Pdf_ElementFactory_Interface

    34 {

    35     /**

    36      * Factory object

    37      *

    38      * @var Zend_Pdf_ElementFactory_Interface

    39      */

    40     private $_factory;

    41 

    42 

    43     /**

    44      * Object constructor

    45      *

    46      * @param Zend_Pdf_ElementFactory_Interface $factory

    47      */

    48     public function __construct(Zend_Pdf_ElementFactory_Interface $factory)

    49     {

    50         $this->_factory = $factory;

    51     }

    52 

    53     public function __destruct()

    54     {

    55         $this->_factory->close();

    56         $this->_factory = null;

    57     }

    58 

    59     /**

    60      * Get factory

    61      *

    62      * @return Zend_Pdf_ElementFactory_Interface

    63      */

    64     public function getFactory()

    65     {

    66         return $this->_factory->getFactory();

    67     }

    68 

    69     /**

    70      * Close factory and clean-up resources

    71      *

    72      * @internal

    73      */

    74     public function close()

    75     {

    76         // Do nothing

    77     }

    78 

    79     /**

    80      * Get source factory object

    81      *

    82      * @return Zend_Pdf_ElementFactory

    83      */

    84     public function resolve()

    85     {

    86         return $this->_factory->resolve();

    87     }

    88 

    89     /**

    90      * Get factory ID

    91      *

    92      * @return integer

    93      */

    94     public function getId()

    95     {

    96         return $this->_factory->getId();

    97     }

    98 

    99     /**

   100      * Set object counter

   101      *

   102      * @param integer $objCount

   103      */

   104     public function setObjectCount($objCount)

   105     {

   106         $this->_factory->setObjectCount($objCount);

   107     }

   108 

   109     /**

   110      * Get object counter

   111      *

   112      * @return integer

   113      */

   114     public function getObjectCount()

   115     {

   116         return $this->_factory->getObjectCount();

   117     }

   118 

   119     /**

   120      * Attach factory to the current;

   121      *

   122      * @param Zend_Pdf_ElementFactory_Interface $factory

   123      */

   124     public function attach(Zend_Pdf_ElementFactory_Interface $factory)

   125     {

   126         $this->_factory->attach($factory);

   127     }

   128 

   129     /**

   130      * Calculate object enumeration shift.

   131      *

   132      * @internal

   133      * @param Zend_Pdf_ElementFactory_Interface $factory

   134      * @return integer

   135      */

   136     public function calculateShift(Zend_Pdf_ElementFactory_Interface $factory)

   137     {

   138         return $this->_factory->calculateShift($factory);

   139     }

   140 

   141     /**

   142      * Clean enumeration shift cache.

   143      * Has to be used after PDF render operation to let followed updates be correct.

   144      *

   145      * @param Zend_Pdf_ElementFactory_Interface $factory

   146      * @return integer

   147      */

   148     public function cleanEnumerationShiftCache()

   149     {

   150         return $this->_factory->cleanEnumerationShiftCache();

   151     }

   152 

   153     /**

   154      * Retrive object enumeration shift.

   155      *

   156      * @param Zend_Pdf_ElementFactory_Interface $factory

   157      * @return integer

   158      * @throws Zend_Pdf_Exception

   159      */

   160     public function getEnumerationShift(Zend_Pdf_ElementFactory_Interface $factory)

   161     {

   162         return $this->_factory->getEnumerationShift($factory);

   163     }

   164 

   165     /**

   166      * Mark object as modified in context of current factory.

   167      *

   168      * @param Zend_Pdf_Element_Object $obj

   169      * @throws Zend_Pdf_Exception

   170      */

   171     public function markAsModified(Zend_Pdf_Element_Object $obj)

   172     {

   173         $this->_factory->markAsModified($obj);

   174     }

   175 

   176     /**

   177      * Remove object in context of current factory.

   178      *

   179      * @param Zend_Pdf_Element_Object $obj

   180      * @throws Zend_Pdf_Exception

   181      */

   182     public function remove(Zend_Pdf_Element_Object $obj)

   183     {

   184         $this->_factory->remove($obj);

   185     }

   186 

   187     /**

   188      * Generate new Zend_Pdf_Element_Object

   189      *

   190      * @todo Reusage of the freed object. It's not a support of new feature, but only improvement.

   191      *

   192      * @param Zend_Pdf_Element $objectValue

   193      * @return Zend_Pdf_Element_Object

   194      */

   195     public function newObject(Zend_Pdf_Element $objectValue)

   196     {

   197         return $this->_factory->newObject($objectValue);

   198     }

   199 

   200     /**

   201      * Generate new Zend_Pdf_Element_Object_Stream

   202      *

   203      * @todo Reusage of the freed object. It's not a support of new feature, but only improvement.

   204      *

   205      * @param mixed $objectValue

   206      * @return Zend_Pdf_Element_Object_Stream

   207      */

   208     public function newStreamObject($streamValue)

   209     {

   210         return $this->_factory->newStreamObject($streamValue);

   211     }

   212 

   213     /**

   214      * Enumerate modified objects.

   215      * Returns array of Zend_Pdf_UpdateInfoContainer

   216      *

   217      * @param Zend_Pdf_ElementFactory $rootFactory

   218      * @return array

   219      */

   220     public function listModifiedObjects($rootFactory = null)

   221     {

   222         return $this->_factory->listModifiedObjects($rootFactory);

   223     }

   224 

   225     /**

   226      * Check if PDF file was modified

   227      *

   228      * @return boolean

   229      */

   230     public function isModified()

   231     {

   232         return $this->_factory->isModified();

   233     }

   234 }