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_Feed_Writer

    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: Entry.php 22662 2010-07-24 17:37:36Z mabe $

    20  */

    21  

    22 /**

    23  * @see Zend_Feed_Writer_Extension_RendererAbstract

    24  */

    25 require_once 'Zend/Feed/Writer/Extension/RendererAbstract.php';

    26  

    27 /**

    28  * @category   Zend

    29  * @package    Zend_Feed_Writer

    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_Feed_Writer_Extension_Threading_Renderer_Entry

    34     extends Zend_Feed_Writer_Extension_RendererAbstract

    35 {

    36 

    37     /**

    38      * Set to TRUE if a rendering method actually renders something. This

    39      * is used to prevent premature appending of a XML namespace declaration

    40      * until an element which requires it is actually appended.

    41      *

    42      * @var bool

    43      */

    44     protected $_called = false;

    45     

    46     /**

    47      * Render entry

    48      * 

    49      * @return void

    50      */

    51     public function render()

    52     {

    53         if (strtolower($this->getType()) == 'rss') {

    54             return; // Atom 1.0 only

    55         }

    56         $this->_setCommentLink($this->_dom, $this->_base);

    57         $this->_setCommentFeedLinks($this->_dom, $this->_base);

    58         $this->_setCommentCount($this->_dom, $this->_base);

    59         if ($this->_called) {

    60             $this->_appendNamespaces();

    61         }

    62     }

    63     

    64     /**

    65      * Append entry namespaces

    66      * 

    67      * @return void

    68      */

    69     protected function _appendNamespaces()

    70     {

    71         $this->getRootElement()->setAttribute('xmlns:thr',

    72             'http://purl.org/syndication/thread/1.0');  

    73     }

    74     

    75     /**

    76      * Set comment link

    77      * 

    78      * @param  DOMDocument $dom 

    79      * @param  DOMElement $root 

    80      * @return void

    81      */

    82     protected function _setCommentLink(DOMDocument $dom, DOMElement $root)

    83     {

    84         $link = $this->getDataContainer()->getCommentLink();

    85         if (!$link) {

    86             return;

    87         }

    88         $clink = $this->_dom->createElement('link');

    89         $clink->setAttribute('rel', 'replies');

    90         $clink->setAttribute('type', 'text/html');

    91         $clink->setAttribute('href', $link);

    92         $count = $this->getDataContainer()->getCommentCount();

    93         if ($count !== null) {

    94             $clink->setAttribute('thr:count', $count);

    95         }

    96         $root->appendChild($clink);

    97         $this->_called = true;

    98     }

    99     

   100     /**

   101      * Set comment feed links

   102      * 

   103      * @param  DOMDocument $dom 

   104      * @param  DOMElement $root 

   105      * @return void

   106      */

   107     protected function _setCommentFeedLinks(DOMDocument $dom, DOMElement $root)

   108     {

   109         $links = $this->getDataContainer()->getCommentFeedLinks();

   110         if (!$links || empty($links)) {

   111             return;

   112         }

   113         foreach ($links as $link) {

   114             $flink = $this->_dom->createElement('link');

   115             $flink->setAttribute('rel', 'replies');

   116             $flink->setAttribute('type', 'application/'. $link['type'] .'+xml');

   117             $flink->setAttribute('href', $link['uri']);

   118             $count = $this->getDataContainer()->getCommentCount();

   119             if ($count !== null) {

   120                 $flink->setAttribute('thr:count', $count);

   121             }

   122             $root->appendChild($flink);

   123             $this->_called = true;

   124         }

   125     }

   126 

   127     /**

   128      * Set entry comment count

   129      * 

   130      * @param  DOMDocument $dom 

   131      * @param  DOMElement $root 

   132      * @return void

   133      */

   134     protected function _setCommentCount(DOMDocument $dom, DOMElement $root)

   135     {

   136         $count = $this->getDataContainer()->getCommentCount();

   137         if ($count === null) {

   138             return;

   139         }

   140         $tcount = $this->_dom->createElement('thr:total');

   141         $tcount->nodeValue = $count;

   142         $root->appendChild($tcount);

   143         $this->_called = true;

   144     }

   145 }