<?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_Chart
 * @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		##VERSION##, ##DATE##
 */

/**
 * PHPExcel_Chart
 *
 * @category	PHPExcel
 * @package		PHPExcel_Chart
 * @copyright	Copyright (c) 2006 - 2014 PHPExcel (http://www.codeplex.com/PHPExcel)
 */
class PHPExcel_Chart
{
    /**
     * Chart Name
     *
     * @var string
     */
    private $_name = '';

    /**
     * Worksheet
     *
     * @var PHPExcel_Worksheet
     */
    private $_worksheet = null;

    /**
     * Chart Title
     *
     * @var PHPExcel_Chart_Title
     */
    private $_title = null;

    /**
     * Chart Legend
     *
     * @var PHPExcel_Chart_Legend
     */
    private $_legend = null;

    /**
     * X-Axis Label
     *
     * @var PHPExcel_Chart_Title
     */
    private $_xAxisLabel = null;

    /**
     * Y-Axis Label
     *
     * @var PHPExcel_Chart_Title
     */
    private $_yAxisLabel = null;

    /**
     * Chart Plot Area
     *
     * @var PHPExcel_Chart_PlotArea
     */
    private $_plotArea = null;

    /**
     * Plot Visible Only
     *
     * @var bool
     */
    private $_plotVisibleOnly = true;

    /**
     * Display Blanks as
     *
     * @var string
     */
    private $_displayBlanksAs = '0';

    /**
     * Chart Asix Y as
     *
     * @var PHPExcel_Chart_Axis
     */
    private $_yAxis = null;

    /**
     * Chart Asix X as
     *
     * @var PHPExcel_Chart_Axis
     */
    private $_xAxis = null;

    /**
     * Chart Major Gridlines as
     *
     * @var PHPExcel_Chart_GridLines
     */
    private $_majorGridlines = null;

    /**
     * Chart Minor Gridlines as
     *
     * @var PHPExcel_Chart_GridLines
     */
    private $_minorGridlines = null;

    /**
     * Top-Left Cell Position
     *
     * @var string
     */
    private $_topLeftCellRef = 'A1';

    /**
     * Top-Left X-Offset
     *
     * @var int
     */
    private $_topLeftXOffset = 0;

    /**
     * Top-Left Y-Offset
     *
     * @var int
     */
    private $_topLeftYOffset = 0;

    /**
     * Bottom-Right Cell Position
     *
     * @var string
     */
    private $_bottomRightCellRef = 'A1';

    /**
     * Bottom-Right X-Offset
     *
     * @var int
     */
    private $_bottomRightXOffset = 10;

    /**
     * Bottom-Right Y-Offset
     *
     * @var int
     */
    private $_bottomRightYOffset = 10;

    /**
     * Create a new PHPExcel_Chart
     * @param mixed $name
     * @param mixed $plotVisibleOnly
     * @param mixed $displayBlanksAs
     */
    public function __construct($name, PHPExcel_Chart_Title $title = null, PHPExcel_Chart_Legend $legend = null, PHPExcel_Chart_PlotArea $plotArea = null, $plotVisibleOnly = true, $displayBlanksAs = '0', PHPExcel_Chart_Title $xAxisLabel = null, PHPExcel_Chart_Title $yAxisLabel = null, PHPExcel_Chart_Axis $xAxis = null, PHPExcel_Chart_Axis $yAxis = null, PHPExcel_Chart_GridLines $majorGridlines = null, PHPExcel_Chart_GridLines $minorGridlines = null)
    {
        $this->_name = $name;
        $this->_title = $title;
        $this->_legend = $legend;
        $this->_xAxisLabel = $xAxisLabel;
        $this->_yAxisLabel = $yAxisLabel;
        $this->_plotArea = $plotArea;
        $this->_plotVisibleOnly = $plotVisibleOnly;
        $this->_displayBlanksAs = $displayBlanksAs;
        $this->_xAxis = $xAxis;
        $this->_yAxis = $yAxis;
        $this->_majorGridlines = $majorGridlines;
        $this->_minorGridlines = $minorGridlines;
    }

    /**
     * Get Name
     *
     * @return string
     */
    public function getName()
    {
        return $this->_name;
    }

    /**
     * Get Worksheet
     *
     * @return PHPExcel_Worksheet
     */
    public function getWorksheet()
    {
        return $this->_worksheet;
    }

    /**
     * Set Worksheet
     *
     * @param	PHPExcel_Worksheet	$pValue
     * @throws	PHPExcel_Chart_Exception
     * @return PHPExcel_Chart
     */
    public function setWorksheet(PHPExcel_Worksheet $pValue = null)
    {
        $this->_worksheet = $pValue;

        return $this;
    }

    /**
     * Get Title
     *
     * @return PHPExcel_Chart_Title
     */
    public function getTitle()
    {
        return $this->_title;
    }

    /**
     * Set Title
     *
     * @return	PHPExcel_Chart
     */
    public function setTitle(PHPExcel_Chart_Title $title)
    {
        $this->_title = $title;

        return $this;
    }

    /**
     * Get Legend
     *
     * @return PHPExcel_Chart_Legend
     */
    public function getLegend()
    {
        return $this->_legend;
    }

    /**
     * Set Legend
     *
     * @return	PHPExcel_Chart
     */
    public function setLegend(PHPExcel_Chart_Legend $legend)
    {
        $this->_legend = $legend;

        return $this;
    }

    /**
     * Get X-Axis Label
     *
     * @return PHPExcel_Chart_Title
     */
    public function getXAxisLabel()
    {
        return $this->_xAxisLabel;
    }

    /**
     * Set X-Axis Label
     *
     * @return	PHPExcel_Chart
     */
    public function setXAxisLabel(PHPExcel_Chart_Title $label)
    {
        $this->_xAxisLabel = $label;

        return $this;
    }

    /**
     * Get Y-Axis Label
     *
     * @return PHPExcel_Chart_Title
     */
    public function getYAxisLabel()
    {
        return $this->_yAxisLabel;
    }

    /**
     * Set Y-Axis Label
     *
     * @return	PHPExcel_Chart
     */
    public function setYAxisLabel(PHPExcel_Chart_Title $label)
    {
        $this->_yAxisLabel = $label;

        return $this;
    }

    /**
     * Get Plot Area
     *
     * @return PHPExcel_Chart_PlotArea
     */
    public function getPlotArea()
    {
        return $this->_plotArea;
    }

    /**
     * Get Plot Visible Only
     *
     * @return bool
     */
    public function getPlotVisibleOnly()
    {
        return $this->_plotVisibleOnly;
    }

    /**
     * Set Plot Visible Only
     *
     * @param bool $plotVisibleOnly
     * @return PHPExcel_Chart
     */
    public function setPlotVisibleOnly($plotVisibleOnly = true)
    {
        $this->_plotVisibleOnly = $plotVisibleOnly;

        return $this;
    }

    /**
     * Get Display Blanks as
     *
     * @return string
     */
    public function getDisplayBlanksAs()
    {
        return $this->_displayBlanksAs;
    }

    /**
     * Set Display Blanks as
     *
     * @param string $displayBlanksAs
     * @return PHPExcel_Chart
     */
    public function setDisplayBlanksAs($displayBlanksAs = '0')
    {
        $this->_displayBlanksAs = $displayBlanksAs;
    }

    /**
     * Get yAxis
     *
     * @return PHPExcel_Chart_Axis
     */
    public function getChartAxisY()
    {
        if (null !== $this->_yAxis) {
            return $this->_yAxis;
        }

        return new PHPExcel_Chart_Axis();
    }

    /**
     * Get xAxis
     *
     * @return PHPExcel_Chart_Axis
     */
    public function getChartAxisX()
    {
        if (null !== $this->_xAxis) {
            return $this->_xAxis;
        }

        return new PHPExcel_Chart_Axis();
    }

    /**
     * Get Major Gridlines
     *
     * @return PHPExcel_Chart_GridLines
     */
    public function getMajorGridlines()
    {
        if (null !== $this->_majorGridlines) {
            return $this->_majorGridlines;
        }

        return new PHPExcel_Chart_GridLines();
    }

    /**
     * Get Minor Gridlines
     *
     * @return PHPExcel_Chart_GridLines
     */
    public function getMinorGridlines()
    {
        if (null !== $this->_minorGridlines) {
            return $this->_minorGridlines;
        }

        return new PHPExcel_Chart_GridLines();
    }

    /**
     * Set the Top Left position for the chart
     *
     * @param	string	$cell
     * @param	int	$xOffset
     * @param	int	$yOffset
     * @return PHPExcel_Chart
     */
    public function setTopLeftPosition($cell, $xOffset = null, $yOffset = null)
    {
        $this->_topLeftCellRef = $cell;
        if (null !== $xOffset) {
            $this->setTopLeftXOffset($xOffset);
        }
        if (null !== $yOffset) {
            $this->setTopLeftYOffset($yOffset);
        }

        return $this;
    }

    /**
     * Get the top left position of the chart
     *
     * @return array	an associative array containing the cell address, X-Offset and Y-Offset from the top left of that cell
     */
    public function getTopLeftPosition()
    {
        return [ 'cell' => $this->_topLeftCellRef,
                      'xOffset' => $this->_topLeftXOffset,
                      'yOffset' => $this->_topLeftYOffset,
                    ];
    }

    /**
     * Get the cell address where the top left of the chart is fixed
     *
     * @return string
     */
    public function getTopLeftCell()
    {
        return $this->_topLeftCellRef;
    }

    /**
     * Set the Top Left cell position for the chart
     *
     * @param	string	$cell
     * @return PHPExcel_Chart
     */
    public function setTopLeftCell($cell)
    {
        $this->_topLeftCellRef = $cell;

        return $this;
    }

    /**
     * Set the offset position within the Top Left cell for the chart
     *
     * @param	int	$xOffset
     * @param	int	$yOffset
     * @return PHPExcel_Chart
     */
    public function setTopLeftOffset($xOffset = null, $yOffset = null)
    {
        if (null !== $xOffset) {
            $this->setTopLeftXOffset($xOffset);
        }
        if (null !== $yOffset) {
            $this->setTopLeftYOffset($yOffset);
        }

        return $this;
    }

    /**
     * Get the offset position within the Top Left cell for the chart
     *
     * @return int[]
     */
    public function getTopLeftOffset()
    {
        return [ 'X' => $this->_topLeftXOffset,
                      'Y' => $this->_topLeftYOffset,
                    ];
    }

    public function setTopLeftXOffset($xOffset)
    {
        $this->_topLeftXOffset = $xOffset;

        return $this;
    }

    public function getTopLeftXOffset()
    {
        return $this->_topLeftXOffset;
    }

    public function setTopLeftYOffset($yOffset)
    {
        $this->_topLeftYOffset = $yOffset;

        return $this;
    }

    public function getTopLeftYOffset()
    {
        return $this->_topLeftYOffset;
    }

    /**
     * Set the Bottom Right position of the chart
     *
     * @param	string	$cell
     * @param	int	$xOffset
     * @param	int	$yOffset
     * @return PHPExcel_Chart
     */
    public function setBottomRightPosition($cell, $xOffset = null, $yOffset = null)
    {
        $this->_bottomRightCellRef = $cell;
        if (null !== $xOffset) {
            $this->setBottomRightXOffset($xOffset);
        }
        if (null !== $yOffset) {
            $this->setBottomRightYOffset($yOffset);
        }

        return $this;
    }

    /**
     * Get the bottom right position of the chart
     *
     * @return array	an associative array containing the cell address, X-Offset and Y-Offset from the top left of that cell
     */
    public function getBottomRightPosition()
    {
        return [ 'cell' => $this->_bottomRightCellRef,
                      'xOffset' => $this->_bottomRightXOffset,
                      'yOffset' => $this->_bottomRightYOffset,
                    ];
    }

    public function setBottomRightCell($cell)
    {
        $this->_bottomRightCellRef = $cell;

        return $this;
    }

    /**
     * Get the cell address where the bottom right of the chart is fixed
     *
     * @return string
     */
    public function getBottomRightCell()
    {
        return $this->_bottomRightCellRef;
    }

    /**
     * Set the offset position within the Bottom Right cell for the chart
     *
     * @param	int	$xOffset
     * @param	int	$yOffset
     * @return PHPExcel_Chart
     */
    public function setBottomRightOffset($xOffset = null, $yOffset = null)
    {
        if (null !== $xOffset) {
            $this->setBottomRightXOffset($xOffset);
        }
        if (null !== $yOffset) {
            $this->setBottomRightYOffset($yOffset);
        }

        return $this;
    }

    /**
     * Get the offset position within the Bottom Right cell for the chart
     *
     * @return int[]
     */
    public function getBottomRightOffset()
    {
        return [ 'X' => $this->_bottomRightXOffset,
                      'Y' => $this->_bottomRightYOffset,
                    ];
    }

    public function setBottomRightXOffset($xOffset)
    {
        $this->_bottomRightXOffset = $xOffset;

        return $this;
    }

    public function getBottomRightXOffset()
    {
        return $this->_bottomRightXOffset;
    }

    public function setBottomRightYOffset($yOffset)
    {
        $this->_bottomRightYOffset = $yOffset;

        return $this;
    }

    public function getBottomRightYOffset()
    {
        return $this->_bottomRightYOffset;
    }

    public function refresh()
    {
        if (null !== $this->_worksheet) {
            $this->_plotArea->refresh($this->_worksheet);
        }
    }

    public function render($outputDestination = null)
    {
        $libraryName = PHPExcel_Settings::getChartRendererName();
        if (null === $libraryName) {
            return false;
        }
        //	Ensure that data series values are up-to-date before we render
        $this->refresh();

        $libraryPath = PHPExcel_Settings::getChartRendererPath();
        $includePath = str_replace('\\', '/', get_include_path());
        $rendererPath = str_replace('\\', '/', $libraryPath);
        if (false === mb_strpos($rendererPath, $includePath)) {
            set_include_path(get_include_path() . PATH_SEPARATOR . $libraryPath);
        }

        $rendererName = 'PHPExcel_Chart_Renderer_' . $libraryName;
        $renderer = new $rendererName($this);

        if ('php://output' == $outputDestination) {
            $outputDestination = null;
        }

        return $renderer->render($outputDestination);
    }
}
