File Source for SpgrContainer.php

<?php
/**
* PHPExcel
*
* Copyright (c) 2006 - 2011 PHPExcel
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* @category PHPExcel
* @package PHPExcel_Shared_Escher
* @copyright Copyright (c) 2006 - 2011 PHPExcel (http://www.codeplex.com/PHPExcel)
* @license http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt LGPL
* @version 1.7.6, 2011-02-27
*/
/**
* PHPExcel_Shared_Escher_DgContainer_SpgrContainer
*
* @category PHPExcel
* @package PHPExcel_Shared_Escher
* @copyright Copyright (c) 2006 - 2011 PHPExcel (http://www.codeplex.com/PHPExcel)
*/
class PHPExcel_Shared_Escher_DgContainer_SpgrContainer
{
/**
* Parent Shape Group Container
*
* @var PHPExcel_Shared_Escher_DgContainer_SpgrContainer
*/
private $_parent;
/**
* Shape Container collection
*
* @var array
*/
private $_children = array();
/**
* Set parent Shape Group Container
*
* @param PHPExcel_Shared_Escher_DgContainer_SpgrContainer $parent
*/
public function setParent($parent)
{
$this->_parent = $parent;
}
/**
* Get the parent Shape Group Container if any
*
* @return PHPExcel_Shared_Escher_DgContainer_SpgrContainer|null
*/
public function getParent()
{
return $this->_parent;
}
/**
* Add a child. This will be either spgrContainer or spContainer
*
* @param mixed $child
*/
public function addChild($child)
{
$this->_children[] = $child;
$child->setParent($this);
}
/**
* Get collection of Shape Containers
*/
public function getChildren()
{
return $this->_children;
}
/**
* Recursively get all spContainers within this spgrContainer
*
* @return PHPExcel_Shared_Escher_DgContainer_SpgrContainer_SpContainer[]
*/
public function getAllSpContainers()
{
$allSpContainers = array();
foreach ($this->_children as $child) {
if ($child instanceof PHPExcel_Shared_Escher_DgContainer_SpgrContainer) {
$allSpContainers = array_merge($allSpContainers, $child->getAllSpContainers());
} else {
$allSpContainers[] = $child;
}
}
return $allSpContainers;
}
}

Source for file SpgrContainer.php