PlotArea.php

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<?php
class PHPExcel_Chart_PlotArea
{
        private $_layout = null;

        private $_plotSeries = array();

        public function __construct(PHPExcel_Chart_Layout $layout = null, $plotSeries = array())
        {
                $this->_layout = $layout;
                $this->_plotSeries = $plotSeries;
        }

        public function getLayout() {
                return $this->_layout;
        }

        public function getPlotGroupCount() {
                return count($this->_plotSeries);
        }

        public function getPlotSeriesCount() {
                $seriesCount = 0;
                foreach($this->_plotSeries as $plot) {
                        $seriesCount += $plot->getPlotSeriesCount();
                }
                return $seriesCount;
        }

        public function getPlotGroup() {
                return $this->_plotSeries;
        }

        public function getPlotGroupByIndex($index) {
                return $this->_plotSeries[$index];
        }

        public function setPlotSeries($plotSeries = array()) {
                $this->_plotSeries = $plotSeries;
        
        return $this;
        }

        public function refresh(PHPExcel_Worksheet $worksheet) {
            foreach($this->_plotSeries as $plotSeries) {
                        $plotSeries->refresh($worksheet);
                }
        }

}