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   1  <?php
   2  /**
   3   * PHPExcel
   4   *
   5   * Copyright (c) 2006 - 2014 PHPExcel
   6   *
   7   * This library is free software; you can redistribute it and/or
   8   * modify it under the terms of the GNU Lesser General Public
   9   * License as published by the Free Software Foundation; either
  10   * version 2.1 of the License, or (at your option) any later version.
  11   *
  12   * This library is distributed in the hope that it will be useful,
  13   * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15   * Lesser General Public License for more details.
  16   *
  17   * You should have received a copy of the GNU Lesser General Public
  18   * License along with this library; if not, write to the Free Software
  19   * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
  20   *
  21   * @category   PHPExcel
  22   * @package    PHPExcel_Shared_Escher
  23   * @copyright  Copyright (c) 2006 - 2014 PHPExcel (http://www.codeplex.com/PHPExcel)
  24   * @license    http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt    LGPL
  25   * @version    ##VERSION##, ##DATE##
  26   */
  27  
  28  /**
  29   * PHPExcel_Shared_Escher_DgContainer_SpgrContainer
  30   *
  31   * @category   PHPExcel
  32   * @package    PHPExcel_Shared_Escher
  33   * @copyright  Copyright (c) 2006 - 2014 PHPExcel (http://www.codeplex.com/PHPExcel)
  34   */
  35  class PHPExcel_Shared_Escher_DgContainer_SpgrContainer
  36  {
  37      /**
  38       * Parent Shape Group Container
  39       *
  40       * @var PHPExcel_Shared_Escher_DgContainer_SpgrContainer
  41       */
  42      private $_parent;
  43  
  44      /**
  45       * Shape Container collection
  46       *
  47       * @var array
  48       */
  49      private $_children = array();
  50  
  51      /**
  52       * Set parent Shape Group Container
  53       *
  54       * @param PHPExcel_Shared_Escher_DgContainer_SpgrContainer $parent
  55       */
  56  	public function setParent($parent)
  57      {
  58          $this->_parent = $parent;
  59      }
  60  
  61      /**
  62       * Get the parent Shape Group Container if any
  63       *
  64       * @return PHPExcel_Shared_Escher_DgContainer_SpgrContainer|null
  65       */
  66  	public function getParent()
  67      {
  68          return $this->_parent;
  69      }
  70  
  71      /**
  72       * Add a child. This will be either spgrContainer or spContainer
  73       *
  74       * @param mixed $child
  75       */
  76  	public function addChild($child)
  77      {
  78          $this->_children[] = $child;
  79          $child->setParent($this);
  80      }
  81  
  82      /**
  83       * Get collection of Shape Containers
  84       */
  85  	public function getChildren()
  86      {
  87          return $this->_children;
  88      }
  89  
  90      /**
  91       * Recursively get all spContainers within this spgrContainer
  92       *
  93       * @return PHPExcel_Shared_Escher_DgContainer_SpgrContainer_SpContainer[]
  94       */
  95  	public function getAllSpContainers()
  96      {
  97          $allSpContainers = array();
  98  
  99          foreach ($this->_children as $child) {
 100              if ($child instanceof PHPExcel_Shared_Escher_DgContainer_SpgrContainer) {
 101                  $allSpContainers = array_merge($allSpContainers, $child->getAllSpContainers());
 102              } else {
 103                  $allSpContainers[] = $child;
 104              }
 105          }
 106  
 107          return $allSpContainers;
 108      }
 109  }