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<?php
/**
* PHPExcel_Chart_Legend
*
* 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_Chart
* @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_Chart_Legend
{
/** Legend positions */
const xlLegendPositionBottom = -4107; // Below the chart.
const xlLegendPositionCorner = 2; // In the upper right-hand corner of the chart border.
const xlLegendPositionCustom = -4161; // A custom position.
const xlLegendPositionLeft = -4131; // Left of the chart.
const xlLegendPositionRight = -4152; // Right of the chart.
const xlLegendPositionTop = -4160; // Above the chart.
const POSITION_RIGHT = 'r';
const POSITION_LEFT = 'l';
const POSITION_BOTTOM = 'b';
const POSITION_TOP = 't';
const POSITION_TOPRIGHT = 'tr';
private static $positionXLref = array(
self::xlLegendPositionBottom => self::POSITION_BOTTOM,
self::xlLegendPositionCorner => self::POSITION_TOPRIGHT,
self::xlLegendPositionCustom => '??',
self::xlLegendPositionLeft => self::POSITION_LEFT,
self::xlLegendPositionRight => self::POSITION_RIGHT,
self::xlLegendPositionTop => self::POSITION_TOP
);
/**
* Legend position
*
* @var string
*/
private $position = self::POSITION_RIGHT;
/**
* Allow overlay of other elements?
*
* @var boolean
*/
private $overlay = true;
/**
* Legend Layout
*
* @var PHPExcel_Chart_Layout
*/
private $layout = null;
/**
* Create a new PHPExcel_Chart_Legend
*/
public function __construct($position = self::POSITION_RIGHT, PHPExcel_Chart_Layout $layout = null, $overlay = false)
{
$this->setPosition($position);
$this->layout = $layout;
$this->setOverlay($overlay);
}
/**
* Get legend position as an excel string value
*
* @return string
*/
public function getPosition()
{
return $this->position;
}
/**
* Get legend position using an excel string value
*
* @param string $position
*/
public function setPosition($position = self::POSITION_RIGHT)
{
if (!in_array($position, self::$positionXLref)) {
return false;
}
$this->position = $position;
return true;
}
/**
* Get legend position as an Excel internal numeric value
*
* @return number
*/
public function getPositionXL()
{
return array_search($this->position, self::$positionXLref);
}
/**
* Set legend position using an Excel internal numeric value
*
* @param number $positionXL
*/
public function setPositionXL($positionXL = self::xlLegendPositionRight)
{
if (!array_key_exists($positionXL, self::$positionXLref)) {
return false;
}
$this->position = self::$positionXLref[$positionXL];
return true;
}
/**
* Get allow overlay of other elements?
*
* @return boolean
*/
public function getOverlay()
{
return $this->overlay;
}
/**
* Set allow overlay of other elements?
*
* @param boolean $overlay
* @return boolean
*/
public function setOverlay($overlay = false)
{
if (!is_bool($overlay)) {
return false;
}
$this->overlay = $overlay;
return true;
}
/**
* Get Layout
*
* @return PHPExcel_Chart_Layout
*/
public function getLayout()
{
return $this->layout;
}
}