<?php
/**
 * PHPExcel
 *
 * 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##
 */


/**
 * PHPExcel_Chart_DataSeries
 *
 * @category    PHPExcel
 * @package        PHPExcel_Chart
 * @copyright    Copyright (c) 2006 - 2015 PHPExcel (http://www.codeplex.com/PHPExcel)
 */
class PHPExcel_Chart_DataSeries
{
    const TYPE_BARCHART        = 'barChart';
    const TYPE_BARCHART_3D     = 'bar3DChart';
    const TYPE_LINECHART       = 'lineChart';
    const TYPE_LINECHART_3D    = 'line3DChart';
    const TYPE_AREACHART       = 'areaChart';
    const TYPE_AREACHART_3D    = 'area3DChart';
    const TYPE_PIECHART        = 'pieChart';
    const TYPE_PIECHART_3D     = 'pie3DChart';
    const TYPE_DOUGHTNUTCHART  = 'doughnutChart';
    const TYPE_DONUTCHART      = self::TYPE_DOUGHTNUTCHART;    //    Synonym
    const TYPE_SCATTERCHART    = 'scatterChart';
    const TYPE_SURFACECHART    = 'surfaceChart';
    const TYPE_SURFACECHART_3D = 'surface3DChart';
    const TYPE_RADARCHART      = 'radarChart';
    const TYPE_BUBBLECHART     = 'bubbleChart';
    const TYPE_STOCKCHART      = 'stockChart';
    const TYPE_CANDLECHART     = self::TYPE_STOCKCHART;       //    Synonym

    const GROUPING_CLUSTERED       = 'clustered';
    const GROUPING_STACKED         = 'stacked';
    const GROUPING_PERCENT_STACKED = 'percentStacked';
    const GROUPING_STANDARD        = 'standard';

    const DIRECTION_BAR        = 'bar';
    const DIRECTION_HORIZONTAL = self::DIRECTION_BAR;
    const DIRECTION_COL        = 'col';
    const DIRECTION_COLUMN     = self::DIRECTION_COL;
    const DIRECTION_VERTICAL   = self::DIRECTION_COL;

    const STYLE_LINEMARKER   = 'lineMarker';
    const STYLE_SMOOTHMARKER = 'smoothMarker';
    const STYLE_MARKER       = 'marker';
    const STYLE_FILLED       = 'filled';


    /**
     * Series Plot Type
     *
     * @var string
     */
    private $_plotType = null;

    /**
     * Plot Grouping Type
     *
     * @var boolean
     */
    private $_plotGrouping = null;

    /**
     * Plot Direction
     *
     * @var boolean
     */
    private $_plotDirection = null;

    /**
     * Plot Style
     *
     * @var string
     */
    private $_plotStyle = null;

    /**
     * Order of plots in Series
     *
     * @var array of integer
     */
    private $_plotOrder = array();

    /**
     * Plot Label
     *
     * @var array of PHPExcel_Chart_DataSeriesValues
     */
    private $_plotLabel = array();

    /**
     * Plot Category
     *
     * @var array of PHPExcel_Chart_DataSeriesValues
     */
    private $_plotCategory = array();

    /**
     * Smooth Line
     *
     * @var string
     */
    private $_smoothLine = null;

    /**
     * Plot Values
     *
     * @var array of PHPExcel_Chart_DataSeriesValues
     */
    private $_plotValues = array();

    /**
     * Create a new PHPExcel_Chart_DataSeries
     */
    public function __construct($plotType = null, $plotGrouping = null, $plotOrder = array(), $plotLabel = array(), $plotCategory = array(), $plotValues = array(), $plotDirection = null, $smoothLine = null, $plotStyle = null)
    {
        $this->_plotType = $plotType;
        $this->_plotGrouping = $plotGrouping;
        $this->_plotOrder = $plotOrder;
        $keys = array_keys($plotValues);
        $this->_plotValues = $plotValues;
        if ((count($plotLabel) == 0) || (is_null($plotLabel[$keys[0]]))) {
            $plotLabel[$keys[0]] = new PHPExcel_Chart_DataSeriesValues();
        }

        $this->_plotLabel = $plotLabel;
        if ((count($plotCategory) == 0) || (is_null($plotCategory[$keys[0]]))) {
            $plotCategory[$keys[0]] = new PHPExcel_Chart_DataSeriesValues();
        }
        $this->_plotCategory = $plotCategory;
        $this->_smoothLine = $smoothLine;
        $this->_plotStyle = $plotStyle;
        
        if (is_null($plotDirection)) {
            $plotDirection = self::DIRECTION_COL;
        }
        $this->_plotDirection = $plotDirection;
    }

    /**
     * Get Plot Type
     *
     * @return string
     */
    public function getPlotType()
    {
        return $this->_plotType;
    }

    /**
     * Set Plot Type
     *
     * @param string $plotType
     * @return PHPExcel_Chart_DataSeries
     */
    public function setPlotType($plotType = '')
    {
        $this->_plotType = $plotType;
        return $this;
    }

    /**
     * Get Plot Grouping Type
     *
     * @return string
     */
    public function getPlotGrouping()
    {
        return $this->_plotGrouping;
    }

    /**
     * Set Plot Grouping Type
     *
     * @param string $groupingType
     * @return PHPExcel_Chart_DataSeries
     */
    public function setPlotGrouping($groupingType = null)
    {
        $this->_plotGrouping = $groupingType;
        return $this;
    }

    /**
     * Get Plot Direction
     *
     * @return string
     */
    public function getPlotDirection()
    {
        return $this->_plotDirection;
    }

    /**
     * Set Plot Direction
     *
     * @param string $plotDirection
     * @return PHPExcel_Chart_DataSeries
     */
    public function setPlotDirection($plotDirection = null)
    {
        $this->_plotDirection = $plotDirection;
        return $this;
    }

    /**
     * Get Plot Order
     *
     * @return string
     */
    public function getPlotOrder()
    {
        return $this->_plotOrder;
    }

    /**
     * Get Plot Labels
     *
     * @return array of PHPExcel_Chart_DataSeriesValues
     */
    public function getPlotLabels()
    {
        return $this->_plotLabel;
    }

    /**
     * Get Plot Label by Index
     *
     * @return PHPExcel_Chart_DataSeriesValues
     */
    public function getPlotLabelByIndex($index)
    {
        $keys = array_keys($this->_plotLabel);
        if (in_array($index, $keys)) {
            return $this->_plotLabel[$index];
        } elseif (isset($keys[$index])) {
            return $this->_plotLabel[$keys[$index]];
        }
        return false;
    }

    /**
     * Get Plot Categories
     *
     * @return array of PHPExcel_Chart_DataSeriesValues
     */
    public function getPlotCategories()
    {
        return $this->_plotCategory;
    }

    /**
     * Get Plot Category by Index
     *
     * @return PHPExcel_Chart_DataSeriesValues
     */
    public function getPlotCategoryByIndex($index)
    {
        $keys = array_keys($this->_plotCategory);
        if (in_array($index, $keys)) {
            return $this->_plotCategory[$index];
        } elseif (isset($keys[$index])) {
            return $this->_plotCategory[$keys[$index]];
        }
        return false;
    }

    /**
     * Get Plot Style
     *
     * @return string
     */
    public function getPlotStyle()
    {
        return $this->_plotStyle;
    }

    /**
     * Set Plot Style
     *
     * @param string $plotStyle
     * @return PHPExcel_Chart_DataSeries
     */
    public function setPlotStyle($plotStyle = null)
    {
        $this->_plotStyle = $plotStyle;
        return $this;
    }

    /**
     * Get Plot Values
     *
     * @return array of PHPExcel_Chart_DataSeriesValues
     */
    public function getPlotValues()
    {
        return $this->_plotValues;
    }

    /**
     * Get Plot Values by Index
     *
     * @return PHPExcel_Chart_DataSeriesValues
     */
    public function getPlotValuesByIndex($index)
    {
        $keys = array_keys($this->_plotValues);
        if (in_array($index, $keys)) {
            return $this->_plotValues[$index];
        } elseif (isset($keys[$index])) {
            return $this->_plotValues[$keys[$index]];
        }
        return false;
    }

    /**
     * Get Number of Plot Series
     *
     * @return integer
     */
    public function getPlotSeriesCount()
    {
        return count($this->_plotValues);
    }

    /**
     * Get Smooth Line
     *
     * @return boolean
     */
    public function getSmoothLine()
    {
        return $this->_smoothLine;
    }

    /**
     * Set Smooth Line
     *
     * @param boolean $smoothLine
     * @return PHPExcel_Chart_DataSeries
     */
    public function setSmoothLine($smoothLine = true)
    {
        $this->_smoothLine = $smoothLine;
        return $this;
    }

    public function refresh(PHPExcel_Worksheet $worksheet)
    {
        foreach($this->_plotValues as $plotValues) {
            if ($plotValues !== null) {
                $plotValues->refresh($worksheet, true);
            }
        }
        foreach($this->_plotLabel as $plotValues) {
            if ($plotValues !== null) {
                $plotValues->refresh($worksheet, true);
            }
        }
        foreach($this->_plotCategory as $plotValues) {
            if ($plotValues !== null) {
                $plotValues->refresh($worksheet, false);
            }
        }
    }

}