/**
* Write Data Labels
*
* @param PHPExcel_Shared_XMLWriter $objWriter XML Writer
* @param PHPExcel_Chart_Layout $chartLayout Chart layout
* @throws PHPExcel_Writer_Exception
*/
private function _writeDataLbls($objWriter, $chartLayout)
{
$objWriter->startElement('c:dLbls');
$objWriter->startElement('c:showLegendKey');
$showLegendKey = empty($chartLayout) ? 0 : $chartLayout->getShowLegendKey();
$objWriter->writeAttribute('val', empty($showLegendKey) ? 0 : 1);
$objWriter->endElement();
$objWriter->startElement('c:showVal');
$showVal = empty($chartLayout) ? 0 : $chartLayout->getShowVal();
$objWriter->writeAttribute('val', empty($showVal) ? 0 : 1);
$objWriter->endElement();
$objWriter->startElement('c:showCatName');
$showCatName = empty($chartLayout) ? 0 : $chartLayout->getShowCatName();
$objWriter->writeAttribute('val', empty($showCatName) ? 0 : 1);
$objWriter->endElement();
$objWriter->startElement('c:showSerName');
$showSerName = empty($chartLayout) ? 0 : $chartLayout->getShowSerName();
$objWriter->writeAttribute('val', empty($showSerName) ? 0 : 1);
$objWriter->endElement();
$objWriter->startElement('c:showPercent');
$showPercent = empty($chartLayout) ? 0 : $chartLayout->getShowPercent();
$objWriter->writeAttribute('val', empty($showPercent) ? 0 : 1);
$objWriter->endElement();
$objWriter->startElement('c:showBubbleSize');
$showBubbleSize = empty($chartLayout) ? 0 : $chartLayout->getShowBubbleSize();
$objWriter->writeAttribute('val', empty($showBubbleSize) ? 0 : 1);
$objWriter->endElement();
$objWriter->startElement('c:showLeaderLines');
$showLeaderLines = empty($chartLayout) ? 1 : $chartLayout->getShowLeaderLines();
$objWriter->writeAttribute('val', empty($showLeaderLines) ? 0 : 1);
$objWriter->endElement();
$objWriter->endElement();
}
