public function refresh()
{
if ($this->_worksheet !== NULL) {
$this->_plotArea->refresh($this->_worksheet);
}
}
/**
* Get the data series type(s) for a chart plot series
*
* @param PHPExcel_Chart_PlotArea $plotArea
* @return string|array
* @throws PHPExcel_Writer_Exception
*/
private static function _getChartType($plotArea)
{
$groupCount = $plotArea->getPlotGroupCount();
if ($groupCount == 1) {
$chartType = array($plotArea->getPlotGroupByIndex(0)->getPlotType());
} else {
$chartTypes = array();
for ($i = 0; $i < $groupCount; ++$i) {
$chartTypes[] = $plotArea->getPlotGroupByIndex($i)->getPlotType();
}
$chartType = array_unique($chartTypes);
if (count($chartTypes) == 0) {
throw new PHPExcel_Writer_Exception('Chart is not yet implemented');
}
}
return $chartType;
}
public function refresh()
{
if ($this->worksheet !== null) {
$this->plotArea->refresh($this->worksheet);
}
}