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<?php
/**
* @package Joomla.Legacy
* @subpackage Base
*
* @copyright Copyright (C) 2005 - 2017 Open Source Matters, Inc. All rights reserved.
* @license GNU General Public License version 2 or later; see LICENSE.txt
*/
defined('JPATH_PLATFORM') or die;
/**
* Tree Node Class.
*
* @since 1.5
* @deprecated 3.0
*/
class JNode extends JObject
{
/**
* Parent node
*
* @var JNode
* @since 1.5
* @deprecated 3.0
*/
protected $_parent = null;
/**
* Array of Children
*
* @var JNode[]
* @since 1.5
* @deprecated 3.0
*/
protected $_children = array();
/**
* Constructor
*
* @since 1.5
* @deprecated 3.0
*/
public function __construct()
{
JLog::add('JNode::__construct() is deprecated.', JLog::WARNING, 'deprecated');
return true;
}
/**
* Add child to this node
*
* If the child already has a parent, the link is unset
*
* @param JNode &$child The child to be added
*
* @return void
*
* @since 1.5
* @deprecated 3.0
*/
public function addChild(&$child)
{
JLog::add('JNode::addChild() is deprecated.', JLog::WARNING, 'deprecated');
if ($child instanceof Jnode)
{
$child->setParent($this);
}
}
/**
* Set the parent of a this node
*
* If the node already has a parent, the link is unset
*
* @param JNode|null &$parent The JNode for parent to be set or null
*
* @return void
*
* @since 1.5
* @deprecated 3.0
*/
public function setParent(&$parent)
{
JLog::add('JNode::setParent() is deprecated.', JLog::WARNING, 'deprecated');
if ($parent instanceof JNode || is_null($parent))
{
$hash = spl_object_hash($this);
if (!is_null($this->_parent))
{
unset($this->_parent->children[$hash]);
}
if (!is_null($parent))
{
$parent->_children[$hash] = & $this;
}
$this->_parent = & $parent;
}
}
/**
* Get the children of this node
*
* @return JNode[] The children
*
* @since 1.5
* @deprecated 3.0
*/
public function &getChildren()
{
JLog::add('JNode::getChildren() is deprecated.', JLog::WARNING, 'deprecated');
return $this->_children;
}
/**
* Get the parent of this node
*
* @return JNode|null JNode object with the parent or null for no parent
*
* @since 1.5
* @deprecated 3.0
*/
public function &getParent()
{
JLog::add('JNode::getParent() is deprecated.', JLog::WARNING, 'deprecated');
return $this->_parent;
}
/**
* Test if this node has children
*
* @return boolean True if there are children
*
* @since 1.5
* @deprecated 3.0
*/
public function hasChildren()
{
JLog::add('JNode::hasChildren() is deprecated.', JLog::WARNING, 'deprecated');
return (bool) count($this->_children);
}
/**
* Test if this node has a parent
*
* @return boolean True if there is a parent
*
* @since 1.6
* @deprecated 3.0
*/
public function hasParent()
{
JLog::add('JNode::hasParent() is deprecated.', JLog::WARNING, 'deprecated');
return $this->getParent() != null;
}
}
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