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<?php
namespace ArrayTree;
/**
* ArrayTree
*
* Convert 2-dimensions array to parent-child relation array
*
* Copyright 2014 Aaron Jan <https://github.com/aaronjan>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @version 0.9
* @author Aaron Jan <https://github.com/AaronJan/ArrayTree>
* @link https://github.com/aaronjan
* @license http://www.apache.org/licenses/LICENSE-2.0 The Apache License V2
*/
/*
* Node
* -----------------------------------------------------------------------------
* Simple node structure.
*
*/
class Node
{
/**
* Auto-generated id
*
* @var string
*/
public $id;
/**
* Data array that this node carring
*
* @var array
*/
public $data;
/**
* This node's parent node
*
* @var \ArrayTree\Node
*/
protected $_parentNode;
/**
* Child nodes array
*
* @var array
*/
protected $_childNodes = array();
/**
* Constructor
*
* @return object
*/
public function __construct($data, $id = false)
{
$this->data = $data;
$this->id = $id ? $id : uniqid('array_tree', true);
return $this;
}
/**
* Attach this node to another node
*
* @return object
*/
public function attachTo($parentNode)
{
$parentNode->appendChild($this);
}
/**
* Set this node's parent node
*
* @return object
*/
public function setParentNode($parentNode)
{
$this->_parentNode = $parentNode;
}
/**
* Append an child node to this node
*
* @return void
*/
public function appendChild($childNode)
{
$this->_childNodes[$childNode->id] = $childNode;
$childNode->setParentNode($this);
}
/**
* Detach this node from it's parent node
*
* @return void
*/
public function detach()
{
$this->_parentNode->removeChild($this);
}
/**
* Remove an child node
*
* @return void
*/
public function removeChild($childNode)
{
unset($this->_childNodes[$childNode->id]);
$childNode->setParentNode(null);
}
/**
* Get all child nodes
*
* @return array
*/
public function getAllChildNode()
{
return $this->_childNodes;
}
/**
* Get all child nodes
*
* @return \ArrayTree\Node | bool
*/
public function getParentNode()
{
return $this->_parentNode ? $this->_parentNode : false;
}
}