<?php

/**
 * PHPExcel
 *
 * Copyright (c) 2006 - 2014 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 - 2014 PHPExcel (http://www.codeplex.com/PHPExcel)
 * @license    http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt	LGPL
 * @version    1.8.0, 2014-03-02
 */

/**
 * PHPExcel_Worksheet_Drawing
 *
 * @category   PHPExcel
 * @package    PHPExcel_Worksheet_Drawing
 * @copyright  Copyright (c) 2006 - 2014 PHPExcel (http://www.codeplex.com/PHPExcel)
 */
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;
            }
        }
    }

}
