<?php

/**
 * PHPExcel_Worksheet_Drawing
 *
 * Copyright (c) 2006 - 2015 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_Worksheet_Drawing
 * @copyright  Copyright (c) 2006 - 2015 PHPExcel (http://www.codeplex.com/PHPExcel)
 * @license    http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt    LGPL
 * @version    ##VERSION##, ##DATE##
 */
class PHPExcel_Worksheet_Drawing extends PHPExcel_Worksheet_BaseDrawing implements PHPExcel_IComparable
{
  /**
   * Path
   *
   * @var string
   */
  private $path;
  
  /**
   * Create a new PHPExcel_Worksheet_Drawing
   */
  public function __construct()
  {
    // Initialise values
    $this->path = '';
    
    // Initialize parent
    parent::__construct ();
  }
  
  /**
   * Get Filename
   *
   * @return string
   */
  public function getFilename()
  {
    return basename ( $this->path );
  }
  
  /**
   * Get indexed filename (using image index)
   *
   * @return string
   */
  public function getIndexedFilename()
  {
    $fileName = $this->getFilename ();
    $fileName = str_replace ( ' ', '_', $fileName );
    return str_replace ( '.' . $this->getExtension (), '', $fileName ) . $this->getImageIndex () . '.' . $this->getExtension ();
  }
  
  /**
   * Get Extension
   *
   * @return string
   */
  public function getExtension()
  {
    $exploded = explode ( ".", basename ( $this->path ) );
    return $exploded [count ( $exploded ) - 1];
  }
  
  /**
   * Get Path
   *
   * @return string
   */
  public function getPath()
  {
    return $this->path;
  }
  
  /**
   * Set Path
   *
   * @param string $pValue
   *          File path
   * @param boolean $pVerifyFile
   *          Verify file
   * @throws PHPExcel_Exception
   * @return PHPExcel_Worksheet_Drawing
   */
  public function setPath($pValue = '', $pVerifyFile = true)
  {
    if ($pVerifyFile)
    {
      if (file_exists ( $pValue ))
      {
        $this->path = $pValue;
        
        if ($this->width == 0 && $this->height == 0)
        {
          // Get width/height
          list ( $this->width, $this->height ) = getimagesize ( $pValue );
        }
      }
      else
      {
        throw new PHPExcel_Exception ( "File $pValue not found!" );
      }
    }
    else
    {
      $this->path = $pValue;
    }
    return $this;
  }
  
  /**
   * Get hash code
   *
   * @return string Hash code
   */
  public function getHashCode()
  {
    return md5 ( $this->path . parent::getHashCode () . __CLASS__ );
  }
  
  /**
   * Implement PHP __clone to create a deep clone, not just a shallow copy.
   */
  public function __clone()
  {
    $vars = get_object_vars ( $this );
    foreach ( $vars as $key => $value )
    {
      if (is_object ( $value ))
      {
        $this->$key = clone $value;
      }
      else
      {
        $this->$key = $value;
      }
    }
  }
}
