<?php

namespace PhpOffice\PhpSpreadsheet\Chart;

use PhpOffice\PhpSpreadsheet\Worksheet\Worksheet;

class PlotArea
{
    /**

>      * No fill in plot area (show Excel gridlines through chart).
     * PlotArea Layout.
>      *
     *
>      * @var bool
     * @var Layout
>      */
     */
>     private $noFill = false;
    private $layout;
> 

>     /**
    /**
>      * PlotArea Gradient Stop list.
     * Plot Series.
>      * Each entry is a 2-element array.
     *
>      *     First is position in %.
     * @var DataSeries[]
>      *     Second is ChartColor.
     */
>      *
    private $plotSeries = [];
>      * @var array[]

>      */
    /**
>     private $gradientFillStops = [];
     * Create a new PlotArea.
> 
     *
>     /**
     * @param DataSeries[] $plotSeries
>      * PlotArea Gradient Angle.
     */
>      *
    public function __construct(?Layout $layout = null, array $plotSeries = [])
>      * @var ?float
    {
>      */
        $this->layout = $layout;
>     private $gradientFillAngle;
        $this->plotSeries = $plotSeries;
> 
    }
>     /**



<      * @var Layout



>      * @var ?Layout



<     /**
<      * Get Layout.
<      *
<      * @return Layout
<      */
<     public function getLayout()



>     public function getLayout(): ?Layout


    {
        return $this->layout;
    }

    /**
     * Get Number of Plot Groups.

<      *
<      * @return array of DataSeries


     */

<     public function getPlotGroupCount()



>     public function getPlotGroupCount(): int


    {
        return count($this->plotSeries);
    }

    /**
     * Get Number of Plot Series.
     *
     * @return int
     */
    public function getPlotSeriesCount()
    {
        $seriesCount = 0;
        foreach ($this->plotSeries as $plot) {
            $seriesCount += $plot->getPlotSeriesCount();
        }

        return $seriesCount;
    }

    /**
     * Get Plot Series.
     *

<      * @return array of DataSeries



>      * @return DataSeries[]


     */
    public function getPlotGroup()
    {
        return $this->plotSeries;
    }

    /**
     * Get Plot Series by Index.
     *
     * @param mixed $index
     *
     * @return DataSeries
     */
    public function getPlotGroupByIndex($index)
    {
        return $this->plotSeries[$index];
    }

    /**
     * Set Plot Series.
     *
     * @param DataSeries[] $plotSeries
     *
     * @return $this
     */
    public function setPlotSeries(array $plotSeries)
    {
        $this->plotSeries = $plotSeries;

        return $this;
    }

    public function refresh(Worksheet $worksheet): void
    {
        foreach ($this->plotSeries as $plotSeries) {
            $plotSeries->refresh($worksheet);
        }

>     }
    }
> 
}
>     public function setNoFill(bool $noFill): self
>     {
>         $this->noFill = $noFill;
> 
>         return $this;
>     }
> 
>     public function getNoFill(): bool
>     {
>         return $this->noFill;
>     }
> 
>     public function setGradientFillProperties(array $gradientFillStops, ?float $gradientFillAngle): self
>     {
>         $this->gradientFillStops = $gradientFillStops;
>         $this->gradientFillAngle = $gradientFillAngle;
> 
>         return $this;
>     }
> 
>     /**
>      * Get gradientFillAngle.
>      */
>     public function getGradientFillAngle(): ?float
>     {
>         return $this->gradientFillAngle;
>     }
> 
>     /**
>      * Get gradientFillStops.
>      *
>      * @return array
>      */
>     public function getGradientFillStops()
>     {
>         return $this->gradientFillStops;