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<?php
/**
* Zend Framework
*
* LICENSE
*
* This source file is subject to the new BSD license that is bundled
* with this package in the file LICENSE.txt.
* It is also available through the world-wide-web at this URL:
* http://framework.zend.com/license/new-bsd
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to license@zend.com so we can send you a copy immediately.
*
* @category Zend
* @package Zend_Feed_Writer
* @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @version $Id: Entry.php 20326 2010-01-16 00:20:43Z padraic $
*/
/**
* @see Zend_Feed_Writer_Extension_RendererAbstract
*/
// require_once 'Zend/Feed/Writer/Extension/RendererAbstract.php';
/**
* @category Zend
* @package Zend_Feed_Writer
* @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
class Zend_Feed_Writer_Extension_Threading_Renderer_Entry
extends Zend_Feed_Writer_Extension_RendererAbstract
{
/**
* Set to TRUE if a rendering method actually renders something. This
* is used to prevent premature appending of a XML namespace declaration
* until an element which requires it is actually appended.
*
* @var bool
*/
protected $_called = false;
/**
* Render entry
*
* @return void
*/
public function render()
{
if (strtolower($this->getType()) == 'rss') {
return; // Atom 1.0 only
}
$this->_setCommentLink($this->_dom, $this->_base);
$this->_setCommentFeedLinks($this->_dom, $this->_base);
$this->_setCommentCount($this->_dom, $this->_base);
if ($this->_called) {
$this->_appendNamespaces();
}
}
/**
* Append entry namespaces
*
* @return void
*/
protected function _appendNamespaces()
{
$this->getRootElement()->setAttribute('xmlns:thr',
'http://purl.org/syndication/thread/1.0');
}
/**
* Set comment link
*
* @param DOMDocument $dom
* @param DOMElement $root
* @return void
*/
protected function _setCommentLink(DOMDocument $dom, DOMElement $root)
{
$link = $this->getDataContainer()->getCommentLink();
if (!$link) {
return;
}
$clink = $this->_dom->createElement('link');
$clink->setAttribute('rel', 'replies');
$clink->setAttribute('type', 'text/html');
$clink->setAttribute('href', $link);
$count = $this->getDataContainer()->getCommentCount();
if (!is_null($count)) {
$clink->setAttribute('thr:count', $count);
}
$root->appendChild($clink);
$this->_called = true;
}
/**
* Set comment feed links
*
* @param DOMDocument $dom
* @param DOMElement $root
* @return void
*/
protected function _setCommentFeedLinks(DOMDocument $dom, DOMElement $root)
{
$links = $this->getDataContainer()->getCommentFeedLinks();
if (!$links || empty($links)) {
return;
}
foreach ($links as $link) {
$flink = $this->_dom->createElement('link');
$flink->setAttribute('rel', 'replies');
$flink->setAttribute('type', 'application/'. $link['type'] .'+xml');
$flink->setAttribute('href', $link['uri']);
$count = $this->getDataContainer()->getCommentCount();
if (!is_null($count)) {
$flink->setAttribute('thr:count', $count);
}
$root->appendChild($flink);
$this->_called = true;
}
}
/**
* Set entry comment count
*
* @param DOMDocument $dom
* @param DOMElement $root
* @return void
*/
protected function _setCommentCount(DOMDocument $dom, DOMElement $root)
{
$count = $this->getDataContainer()->getCommentCount();
if (is_null($count)) {
return;
}
$tcount = $this->_dom->createElement('thr:total');
$tcount->nodeValue = $count;
$root->appendChild($tcount);
$this->_called = true;
}
}
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