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<?php/*** PHPExcel** Copyright (c) 2006 - 2013 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_Writer_Excel2007* @copyright Copyright (c) 2006 - 2013 PHPExcel (http://www.codeplex.com/PHPExcel)* @license http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt LGPL* @version ##VERSION##, ##DATE##*//*** PHPExcel_Writer_Excel2007_Chart** @category PHPExcel* @package PHPExcel_Writer_Excel2007* @copyright Copyright (c) 2006 - 2013 PHPExcel (http://www.codeplex.com/PHPExcel)*/class PHPExcel_Writer_Excel2007_Chart extends PHPExcel_Writer_Excel2007_WriterPart{/*** Write charts to XML format** @param PHPExcel_Chart $pChart* @return string XML Output* @throws PHPExcel_Writer_Exception*/public function writeChart(PHPExcel_Chart $pChart = null){// Create XML writer$objWriter = null;if ($this->getParentWriter()->getUseDiskCaching()) {$objWriter = new PHPExcel_Shared_XMLWriter(PHPExcel_Shared_XMLWriter::STORAGE_DISK, $this->getParentWriter()->getDiskCachingDirectory());} else {$objWriter = new PHPExcel_Shared_XMLWriter(PHPExcel_Shared_XMLWriter::STORAGE_MEMORY);}// Ensure that data series values are up-to-date before we save$pChart->refresh();// XML header$objWriter->startDocument('1.0','UTF-8','yes');// c:chartSpace$objWriter->startElement('c:chartSpace');$objWriter->writeAttribute('xmlns:c', 'http://schemas.openxmlformats.org/drawingml/2006/chart');$objWriter->writeAttribute('xmlns:a', 'http://schemas.openxmlformats.org/drawingml/2006/main');$objWriter->writeAttribute('xmlns:r', 'http://schemas.openxmlformats.org/officeDocument/2006/relationships');$objWriter->startElement('c:date1904');$objWriter->writeAttribute('val', 0);$objWriter->endElement();$objWriter->startElement('c:lang');$objWriter->writeAttribute('val', "en-GB");$objWriter->endElement();$objWriter->startElement('c:roundedCorners');$objWriter->writeAttribute('val', 0);$objWriter->endElement();$this->_writeAlternateContent($objWriter);$objWriter->startElement('c:chart');$this->_writeTitle($pChart->getTitle(), $objWriter);$objWriter->startElement('c:autoTitleDeleted');$objWriter->writeAttribute('val', 0);$objWriter->endElement();$this->_writePlotArea($pChart->getPlotArea(),$pChart->getXAxisLabel(),$pChart->getYAxisLabel(),$objWriter,$pChart->getWorksheet());$this->_writeLegend($pChart->getLegend(), $objWriter);$objWriter->startElement('c:plotVisOnly');$objWriter->writeAttribute('val', 1);$objWriter->endElement();$objWriter->startElement('c:dispBlanksAs');$objWriter->writeAttribute('val', "gap");$objWriter->endElement();$objWriter->startElement('c:showDLblsOverMax');$objWriter->writeAttribute('val', 0);$objWriter->endElement();$objWriter->endElement();$this->_writePrintSettings($objWriter);$objWriter->endElement();// Returnreturn $objWriter->getData();}/*** Write Chart Title** @param PHPExcel_Chart_Title $title* @param PHPExcel_Shared_XMLWriter $objWriter XML Writer* @throws PHPExcel_Writer_Exception*/private function _writeTitle(PHPExcel_Chart_Title $title = null, $objWriter){if (is_null($title)) {return;}$objWriter->startElement('c:title');$objWriter->startElement('c:tx');$objWriter->startElement('c:rich');$objWriter->startElement('a:bodyPr');$objWriter->endElement();$objWriter->startElement('a:lstStyle');$objWriter->endElement();$objWriter->startElement('a:p');$caption = $title->getCaption();if ((is_array($caption)) && (count($caption) > 0))$caption = $caption[0];$this->getParentWriter()->getWriterPart('stringtable')->writeRichTextForCharts($objWriter, $caption, 'a');$objWriter->endElement();$objWriter->endElement();$objWriter->endElement();$layout = $title->getLayout();$this->_writeLayout($layout, $objWriter);$objWriter->startElement('c:overlay');$objWriter->writeAttribute('val', 0);$objWriter->endElement();$objWriter->endElement();}/*** Write Chart Legend** @param PHPExcel_Chart_Legend $legend* @param PHPExcel_Shared_XMLWriter $objWriter XML Writer* @throws PHPExcel_Writer_Exception*/private function _writeLegend(PHPExcel_Chart_Legend $legend = null, $objWriter){if (is_null($legend)) {return;}$objWriter->startElement('c:legend');$objWriter->startElement('c:legendPos');$objWriter->writeAttribute('val', $legend->getPosition());$objWriter->endElement();$layout = $legend->getLayout();$this->_writeLayout($layout, $objWriter);$objWriter->startElement('c:overlay');$objWriter->writeAttribute('val', ($legend->getOverlay()) ? '1' : '0');$objWriter->endElement();$objWriter->startElement('c:txPr');$objWriter->startElement('a:bodyPr');$objWriter->endElement();$objWriter->startElement('a:lstStyle');$objWriter->endElement();$objWriter->startElement('a:p');$objWriter->startElement('a:pPr');$objWriter->writeAttribute('rtl', 0);$objWriter->startElement('a:defRPr');$objWriter->endElement();$objWriter->endElement();$objWriter->startElement('a:endParaRPr');$objWriter->writeAttribute('lang', "en-US");$objWriter->endElement();$objWriter->endElement();$objWriter->endElement();$objWriter->endElement();}/*** Write Chart Plot Area** @param PHPExcel_Chart_PlotArea $plotArea* @param PHPExcel_Chart_Title $xAxisLabel* @param PHPExcel_Chart_Title $yAxisLabel* @param PHPExcel_Shared_XMLWriter $objWriter XML Writer* @throws PHPExcel_Writer_Exception*/private function _writePlotArea(PHPExcel_Chart_PlotArea $plotArea,PHPExcel_Chart_Title $xAxisLabel = NULL,PHPExcel_Chart_Title $yAxisLabel = NULL,$objWriter,PHPExcel_Worksheet $pSheet){if (is_null($plotArea)) {return;}$id1 = $id2 = 0;$this->_seriesIndex = 0;$objWriter->startElement('c:plotArea');$layout = $plotArea->getLayout();$this->_writeLayout($layout, $objWriter);$chartTypes = self::_getChartType($plotArea);$catIsMultiLevelSeries = $valIsMultiLevelSeries = FALSE;$plotGroupingType = '';foreach($chartTypes as $chartType) {$objWriter->startElement('c:'.$chartType);$groupCount = $plotArea->getPlotGroupCount();for($i = 0; $i < $groupCount; ++$i) {$plotGroup = $plotArea->getPlotGroupByIndex($i);$groupType = $plotGroup->getPlotType();if ($groupType == $chartType) {$plotStyle = $plotGroup->getPlotStyle();if ($groupType === PHPExcel_Chart_DataSeries::TYPE_RADARCHART) {$objWriter->startElement('c:radarStyle');$objWriter->writeAttribute('val', $plotStyle );$objWriter->endElement();} elseif ($groupType === PHPExcel_Chart_DataSeries::TYPE_SCATTERCHART) {$objWriter->startElement('c:scatterStyle');$objWriter->writeAttribute('val', $plotStyle );$objWriter->endElement();}$this->_writePlotGroup($plotGroup, $chartType, $objWriter, $catIsMultiLevelSeries, $valIsMultiLevelSeries, $plotGroupingType, $pSheet);}}$this->_writeDataLbls($objWriter, $layout);if ($chartType === PHPExcel_Chart_DataSeries::TYPE_LINECHART) {// Line only, Line3D can't be smoothed$objWriter->startElement('c:smooth');$objWriter->writeAttribute('val', (integer) $plotGroup->getSmoothLine() );$objWriter->endElement();} elseif (($chartType === PHPExcel_Chart_DataSeries::TYPE_BARCHART) ||($chartType === PHPExcel_Chart_DataSeries::TYPE_BARCHART_3D)) {$objWriter->startElement('c:gapWidth');$objWriter->writeAttribute('val', 150 );$objWriter->endElement();if ($plotGroupingType == 'percentStacked' ||$plotGroupingType == 'stacked') {$objWriter->startElement('c:overlap');$objWriter->writeAttribute('val', 100 );$objWriter->endElement();}} elseif ($chartType === PHPExcel_Chart_DataSeries::TYPE_BUBBLECHART) {$objWriter->startElement('c:bubbleScale');$objWriter->writeAttribute('val', 25 );$objWriter->endElement();$objWriter->startElement('c:showNegBubbles');$objWriter->writeAttribute('val', 0 );$objWriter->endElement();} elseif ($chartType === PHPExcel_Chart_DataSeries::TYPE_STOCKCHART) {$objWriter->startElement('c:hiLowLines');$objWriter->endElement();}// Generate 2 unique numbers to use for axId values// $id1 = $id2 = rand(10000000,99999999);// do {// $id2 = rand(10000000,99999999);// } while ($id1 == $id2);$id1 = '75091328';$id2 = '75089408';if (($chartType !== PHPExcel_Chart_DataSeries::TYPE_PIECHART) &&($chartType !== PHPExcel_Chart_DataSeries::TYPE_PIECHART_3D) &&($chartType !== PHPExcel_Chart_DataSeries::TYPE_DONUTCHART)) {$objWriter->startElement('c:axId');$objWriter->writeAttribute('val', $id1 );$objWriter->endElement();$objWriter->startElement('c:axId');$objWriter->writeAttribute('val', $id2 );$objWriter->endElement();} else {$objWriter->startElement('c:firstSliceAng');$objWriter->writeAttribute('val', 0);$objWriter->endElement();if ($chartType === PHPExcel_Chart_DataSeries::TYPE_DONUTCHART) {$objWriter->startElement('c:holeSize');$objWriter->writeAttribute('val', 50);$objWriter->endElement();}}$objWriter->endElement();}if (($chartType !== PHPExcel_Chart_DataSeries::TYPE_PIECHART) &&($chartType !== PHPExcel_Chart_DataSeries::TYPE_PIECHART_3D) &&($chartType !== PHPExcel_Chart_DataSeries::TYPE_DONUTCHART)) {if ($chartType === PHPExcel_Chart_DataSeries::TYPE_BUBBLECHART) {$this->_writeValAx($objWriter,$plotArea,$xAxisLabel,$chartType,$id1,$id2,$catIsMultiLevelSeries);} else {$this->_writeCatAx($objWriter,$plotArea,$xAxisLabel,$chartType,$id1,$id2,$catIsMultiLevelSeries);}$this->_writeValAx($objWriter,$plotArea,$yAxisLabel,$chartType,$id1,$id2,$valIsMultiLevelSeries);}$objWriter->endElement();}/*** 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();}/*** Write Category Axis** @param PHPExcel_Shared_XMLWriter $objWriter XML Writer* @param PHPExcel_Chart_PlotArea $plotArea* @param PHPExcel_Chart_Title $xAxisLabel* @param string $groupType Chart type* @param string $id1* @param string $id2* @param boolean $isMultiLevelSeries* @throws PHPExcel_Writer_Exception*/private function _writeCatAx($objWriter, PHPExcel_Chart_PlotArea $plotArea, $xAxisLabel, $groupType, $id1, $id2, $isMultiLevelSeries){$objWriter->startElement('c:catAx');if ($id1 > 0) {$objWriter->startElement('c:axId');$objWriter->writeAttribute('val', $id1);$objWriter->endElement();}$objWriter->startElement('c:scaling');$objWriter->startElement('c:orientation');$objWriter->writeAttribute('val', "minMax");$objWriter->endElement();$objWriter->endElement();$objWriter->startElement('c:delete');$objWriter->writeAttribute('val', 0);$objWriter->endElement();$objWriter->startElement('c:axPos');$objWriter->writeAttribute('val', "b");$objWriter->endElement();if (!is_null($xAxisLabel)) {$objWriter->startElement('c:title');$objWriter->startElement('c:tx');$objWriter->startElement('c:rich');$objWriter->startElement('a:bodyPr');$objWriter->endElement();$objWriter->startElement('a:lstStyle');$objWriter->endElement();$objWriter->startElement('a:p');$objWriter->startElement('a:r');$caption = $xAxisLabel->getCaption();if (is_array($caption))$caption = $caption[0];$objWriter->startElement('a:t');// $objWriter->writeAttribute('xml:space', 'preserve');$objWriter->writeRawData(PHPExcel_Shared_String::ControlCharacterPHP2OOXML( $caption ));$objWriter->endElement();$objWriter->endElement();$objWriter->endElement();$objWriter->endElement();$objWriter->endElement();$layout = $xAxisLabel->getLayout();$this->_writeLayout($layout, $objWriter);$objWriter->startElement('c:overlay');$objWriter->writeAttribute('val', 0);$objWriter->endElement();$objWriter->endElement();}$objWriter->startElement('c:numFmt');$objWriter->writeAttribute('formatCode', "General");$objWriter->writeAttribute('sourceLinked', 1);$objWriter->endElement();$objWriter->startElement('c:majorTickMark');$objWriter->writeAttribute('val', "out");$objWriter->endElement();$objWriter->startElement('c:minorTickMark');$objWriter->writeAttribute('val', "none");$objWriter->endElement();$objWriter->startElement('c:tickLblPos');$objWriter->writeAttribute('val', "nextTo");$objWriter->endElement();if ($id2 > 0) {$objWriter->startElement('c:crossAx');$objWriter->writeAttribute('val', $id2);$objWriter->endElement();$objWriter->startElement('c:crosses');$objWriter->writeAttribute('val', "autoZero");$objWriter->endElement();}$objWriter->startElement('c:auto');$objWriter->writeAttribute('val', 1);$objWriter->endElement();$objWriter->startElement('c:lblAlgn');$objWriter->writeAttribute('val', "ctr");$objWriter->endElement();$objWriter->startElement('c:lblOffset');$objWriter->writeAttribute('val', 100);$objWriter->endElement();if ($isMultiLevelSeries) {$objWriter->startElement('c:noMultiLvlLbl');$objWriter->writeAttribute('val', 0);$objWriter->endElement();}$objWriter->endElement();}/*** Write Value Axis** @param PHPExcel_Shared_XMLWriter $objWriter XML Writer* @param PHPExcel_Chart_PlotArea $plotArea* @param PHPExcel_Chart_Title $yAxisLabel* @param string $groupType Chart type* @param string $id1* @param string $id2* @param boolean $isMultiLevelSeries* @throws PHPExcel_Writer_Exception*/private function _writeValAx($objWriter, PHPExcel_Chart_PlotArea $plotArea, $yAxisLabel, $groupType, $id1, $id2, $isMultiLevelSeries){$objWriter->startElement('c:valAx');if ($id2 > 0) {$objWriter->startElement('c:axId');$objWriter->writeAttribute('val', $id2);$objWriter->endElement();}$objWriter->startElement('c:scaling');$objWriter->startElement('c:orientation');$objWriter->writeAttribute('val', "minMax");$objWriter->endElement();$objWriter->endElement();$objWriter->startElement('c:delete');$objWriter->writeAttribute('val', 0);$objWriter->endElement();$objWriter->startElement('c:axPos');$objWriter->writeAttribute('val', "l");$objWriter->endElement();$objWriter->startElement('c:majorGridlines');$objWriter->endElement();if (!is_null($yAxisLabel)) {$objWriter->startElement('c:title');$objWriter->startElement('c:tx');$objWriter->startElement('c:rich');$objWriter->startElement('a:bodyPr');$objWriter->endElement();$objWriter->startElement('a:lstStyle');$objWriter->endElement();$objWriter->startElement('a:p');$objWriter->startElement('a:r');$caption = $yAxisLabel->getCaption();if (is_array($caption))$caption = $caption[0];$objWriter->startElement('a:t');// $objWriter->writeAttribute('xml:space', 'preserve');$objWriter->writeRawData(PHPExcel_Shared_String::ControlCharacterPHP2OOXML( $caption ));$objWriter->endElement();$objWriter->endElement();$objWriter->endElement();$objWriter->endElement();$objWriter->endElement();if ($groupType !== PHPExcel_Chart_DataSeries::TYPE_BUBBLECHART) {$layout = $yAxisLabel->getLayout();$this->_writeLayout($layout, $objWriter);}$objWriter->startElement('c:overlay');$objWriter->writeAttribute('val', 0);$objWriter->endElement();$objWriter->endElement();}$objWriter->startElement('c:numFmt');$objWriter->writeAttribute('formatCode', "General");$objWriter->writeAttribute('sourceLinked', 1);$objWriter->endElement();$objWriter->startElement('c:majorTickMark');$objWriter->writeAttribute('val', "out");$objWriter->endElement();$objWriter->startElement('c:minorTickMark');$objWriter->writeAttribute('val', "none");$objWriter->endElement();$objWriter->startElement('c:tickLblPos');$objWriter->writeAttribute('val', "nextTo");$objWriter->endElement();if ($id1 > 0) {$objWriter->startElement('c:crossAx');$objWriter->writeAttribute('val', $id2);$objWriter->endElement();$objWriter->startElement('c:crosses');$objWriter->writeAttribute('val', "autoZero");$objWriter->endElement();$objWriter->startElement('c:crossBetween');$objWriter->writeAttribute('val', "midCat");$objWriter->endElement();}if ($isMultiLevelSeries) {if ($groupType !== PHPExcel_Chart_DataSeries::TYPE_BUBBLECHART) {$objWriter->startElement('c:noMultiLvlLbl');$objWriter->writeAttribute('val', 0);$objWriter->endElement();}}$objWriter->endElement();}/*** 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;}/*** Write Plot Group (series of related plots)** @param PHPExcel_Chart_DataSeries $plotGroup* @param string $groupType Type of plot for dataseries* @param PHPExcel_Shared_XMLWriter $objWriter XML Writer* @param boolean &$catIsMultiLevelSeries Is category a multi-series category* @param boolean &$valIsMultiLevelSeries Is value set a multi-series set* @param string &$plotGroupingType Type of grouping for multi-series values* @param PHPExcel_Worksheet $pSheet* @throws PHPExcel_Writer_Exception*/private function _writePlotGroup( $plotGroup,$groupType,$objWriter,&$catIsMultiLevelSeries,&$valIsMultiLevelSeries,&$plotGroupingType,PHPExcel_Worksheet $pSheet){if (is_null($plotGroup)) {return;}if (($groupType == PHPExcel_Chart_DataSeries::TYPE_BARCHART) ||($groupType == PHPExcel_Chart_DataSeries::TYPE_BARCHART_3D)) {$objWriter->startElement('c:barDir');$objWriter->writeAttribute('val', $plotGroup->getPlotDirection());$objWriter->endElement();}if (!is_null($plotGroup->getPlotGrouping())) {$plotGroupingType = $plotGroup->getPlotGrouping();$objWriter->startElement('c:grouping');$objWriter->writeAttribute('val', $plotGroupingType);$objWriter->endElement();}// Get these details before the loop, because we can use the count to check for varyColors$plotSeriesOrder = $plotGroup->getPlotOrder();$plotSeriesCount = count($plotSeriesOrder);if (($groupType !== PHPExcel_Chart_DataSeries::TYPE_RADARCHART) &&($groupType !== PHPExcel_Chart_DataSeries::TYPE_STOCKCHART)) {if ($groupType !== PHPExcel_Chart_DataSeries::TYPE_LINECHART) {if (($groupType == PHPExcel_Chart_DataSeries::TYPE_PIECHART) ||($groupType == PHPExcel_Chart_DataSeries::TYPE_PIECHART_3D) ||($groupType == PHPExcel_Chart_DataSeries::TYPE_DONUTCHART) ||($plotSeriesCount > 1)) {$objWriter->startElement('c:varyColors');$objWriter->writeAttribute('val', 1);$objWriter->endElement();} else {$objWriter->startElement('c:varyColors');$objWriter->writeAttribute('val', 0);$objWriter->endElement();}}}foreach($plotSeriesOrder as $plotSeriesIdx => $plotSeriesRef) {$objWriter->startElement('c:ser');$objWriter->startElement('c:idx');$objWriter->writeAttribute('val', $this->_seriesIndex + $plotSeriesIdx);$objWriter->endElement();$objWriter->startElement('c:order');$objWriter->writeAttribute('val', $this->_seriesIndex + $plotSeriesRef);$objWriter->endElement();if (($groupType == PHPExcel_Chart_DataSeries::TYPE_PIECHART) ||($groupType == PHPExcel_Chart_DataSeries::TYPE_PIECHART_3D) ||($groupType == PHPExcel_Chart_DataSeries::TYPE_DONUTCHART)) {$objWriter->startElement('c:dPt');$objWriter->startElement('c:idx');$objWriter->writeAttribute('val', 3);$objWriter->endElement();$objWriter->startElement('c:bubble3D');$objWriter->writeAttribute('val', 0);$objWriter->endElement();$objWriter->startElement('c:spPr');$objWriter->startElement('a:solidFill');$objWriter->startElement('a:srgbClr');$objWriter->writeAttribute('val', 'FF9900');$objWriter->endElement();$objWriter->endElement();$objWriter->endElement();$objWriter->endElement();}// Labels$plotSeriesLabel = $plotGroup->getPlotLabelByIndex($plotSeriesRef);if ($plotSeriesLabel && ($plotSeriesLabel->getPointCount() > 0)) {$objWriter->startElement('c:tx');$objWriter->startElement('c:strRef');$this->_writePlotSeriesLabel($plotSeriesLabel, $objWriter);$objWriter->endElement();$objWriter->endElement();}// Formatting for the pointsif ($groupType == PHPExcel_Chart_DataSeries::TYPE_LINECHART) {$objWriter->startElement('c:spPr');$objWriter->startElement('a:ln');$objWriter->writeAttribute('w', 12700);$objWriter->endElement();$objWriter->endElement();}$plotSeriesValues = $plotGroup->getPlotValuesByIndex($plotSeriesRef);if ($plotSeriesValues) {$plotSeriesMarker = $plotSeriesValues->getPointMarker();if ($plotSeriesMarker) {$objWriter->startElement('c:marker');$objWriter->startElement('c:symbol');$objWriter->writeAttribute('val', $plotSeriesMarker);$objWriter->endElement();if ($plotSeriesMarker !== 'none') {$objWriter->startElement('c:size');$objWriter->writeAttribute('val', 3);$objWriter->endElement();}$objWriter->endElement();}}if (($groupType === PHPExcel_Chart_DataSeries::TYPE_BARCHART) ||($groupType === PHPExcel_Chart_DataSeries::TYPE_BARCHART_3D) ||($groupType === PHPExcel_Chart_DataSeries::TYPE_BUBBLECHART)) {$objWriter->startElement('c:invertIfNegative');$objWriter->writeAttribute('val', 0);$objWriter->endElement();}// Category Labels$plotSeriesCategory = $plotGroup->getPlotCategoryByIndex($plotSeriesRef);if ($plotSeriesCategory && ($plotSeriesCategory->getPointCount() > 0)) {$catIsMultiLevelSeries = $catIsMultiLevelSeries || $plotSeriesCategory->isMultiLevelSeries();if (($groupType == PHPExcel_Chart_DataSeries::TYPE_PIECHART) ||($groupType == PHPExcel_Chart_DataSeries::TYPE_PIECHART_3D) ||($groupType == PHPExcel_Chart_DataSeries::TYPE_DONUTCHART)) {if (!is_null($plotGroup->getPlotStyle())) {$plotStyle = $plotGroup->getPlotStyle();if ($plotStyle) {$objWriter->startElement('c:explosion');$objWriter->writeAttribute('val', 25);$objWriter->endElement();}}}if (($groupType === PHPExcel_Chart_DataSeries::TYPE_BUBBLECHART) ||($groupType === PHPExcel_Chart_DataSeries::TYPE_SCATTERCHART)) {$objWriter->startElement('c:xVal');} else {$objWriter->startElement('c:cat');}$this->_writePlotSeriesValues($plotSeriesCategory, $objWriter, $groupType, 'str', $pSheet);$objWriter->endElement();}// Valuesif ($plotSeriesValues) {$valIsMultiLevelSeries = $valIsMultiLevelSeries || $plotSeriesValues->isMultiLevelSeries();if (($groupType === PHPExcel_Chart_DataSeries::TYPE_BUBBLECHART) ||($groupType === PHPExcel_Chart_DataSeries::TYPE_SCATTERCHART)) {$objWriter->startElement('c:yVal');} else {$objWriter->startElement('c:val');}$this->_writePlotSeriesValues($plotSeriesValues, $objWriter, $groupType, 'num', $pSheet);$objWriter->endElement();}if ($groupType === PHPExcel_Chart_DataSeries::TYPE_BUBBLECHART) {$this->_writeBubbles($plotSeriesValues, $objWriter, $pSheet);}$objWriter->endElement();}$this->_seriesIndex += $plotSeriesIdx + 1;}/*** Write Plot Series Label** @param PHPExcel_Chart_DataSeriesValues $plotSeriesLabel* @param PHPExcel_Shared_XMLWriter $objWriter XML Writer* @throws PHPExcel_Writer_Exception*/private function _writePlotSeriesLabel($plotSeriesLabel, $objWriter){if (is_null($plotSeriesLabel)) {return;}$objWriter->startElement('c:f');$objWriter->writeRawData($plotSeriesLabel->getDataSource());$objWriter->endElement();$objWriter->startElement('c:strCache');$objWriter->startElement('c:ptCount');$objWriter->writeAttribute('val', $plotSeriesLabel->getPointCount() );$objWriter->endElement();foreach($plotSeriesLabel->getDataValues() as $plotLabelKey => $plotLabelValue) {$objWriter->startElement('c:pt');$objWriter->writeAttribute('idx', $plotLabelKey );$objWriter->startElement('c:v');$objWriter->writeRawData( $plotLabelValue );$objWriter->endElement();$objWriter->endElement();}$objWriter->endElement();}/*** Write Plot Series Values** @param PHPExcel_Chart_DataSeriesValues $plotSeriesValues* @param PHPExcel_Shared_XMLWriter $objWriter XML Writer* @param string $groupType Type of plot for dataseries* @param string $dataType Datatype of series values* @param PHPExcel_Worksheet $pSheet* @throws PHPExcel_Writer_Exception*/private function _writePlotSeriesValues( $plotSeriesValues,$objWriter,$groupType,$dataType='str',PHPExcel_Worksheet $pSheet){if (is_null($plotSeriesValues)) {return;}if ($plotSeriesValues->isMultiLevelSeries()) {$levelCount = $plotSeriesValues->multiLevelCount();$objWriter->startElement('c:multiLvlStrRef');$objWriter->startElement('c:f');$objWriter->writeRawData( $plotSeriesValues->getDataSource() );$objWriter->endElement();$objWriter->startElement('c:multiLvlStrCache');$objWriter->startElement('c:ptCount');$objWriter->writeAttribute('val', $plotSeriesValues->getPointCount() );$objWriter->endElement();for ($level = 0; $level < $levelCount; ++$level) {$objWriter->startElement('c:lvl');foreach($plotSeriesValues->getDataValues() as $plotSeriesKey => $plotSeriesValue) {if (isset($plotSeriesValue[$level])) {$objWriter->startElement('c:pt');$objWriter->writeAttribute('idx', $plotSeriesKey );$objWriter->startElement('c:v');$objWriter->writeRawData( $plotSeriesValue[$level] );$objWriter->endElement();$objWriter->endElement();}}$objWriter->endElement();}$objWriter->endElement();$objWriter->endElement();} else {$objWriter->startElement('c:'.$dataType.'Ref');$objWriter->startElement('c:f');$objWriter->writeRawData( $plotSeriesValues->getDataSource() );$objWriter->endElement();$objWriter->startElement('c:'.$dataType.'Cache');if (($groupType != PHPExcel_Chart_DataSeries::TYPE_PIECHART) &&($groupType != PHPExcel_Chart_DataSeries::TYPE_PIECHART_3D) &&($groupType != PHPExcel_Chart_DataSeries::TYPE_DONUTCHART)) {if (($plotSeriesValues->getFormatCode() !== NULL) &&($plotSeriesValues->getFormatCode() !== '')) {$objWriter->startElement('c:formatCode');$objWriter->writeRawData( $plotSeriesValues->getFormatCode() );$objWriter->endElement();}}$objWriter->startElement('c:ptCount');$objWriter->writeAttribute('val', $plotSeriesValues->getPointCount() );$objWriter->endElement();$dataValues = $plotSeriesValues->getDataValues();if (!empty($dataValues)) {if (is_array($dataValues)) {foreach($dataValues as $plotSeriesKey => $plotSeriesValue) {$objWriter->startElement('c:pt');$objWriter->writeAttribute('idx', $plotSeriesKey );$objWriter->startElement('c:v');$objWriter->writeRawData( $plotSeriesValue );$objWriter->endElement();$objWriter->endElement();}}}$objWriter->endElement();$objWriter->endElement();}}/*** Write Bubble Chart Details** @param PHPExcel_Chart_DataSeriesValues $plotSeriesValues* @param PHPExcel_Shared_XMLWriter $objWriter XML Writer* @throws PHPExcel_Writer_Exception*/private function _writeBubbles($plotSeriesValues, $objWriter, PHPExcel_Worksheet $pSheet){if (is_null($plotSeriesValues)) {return;}$objWriter->startElement('c:bubbleSize');$objWriter->startElement('c:numLit');$objWriter->startElement('c:formatCode');$objWriter->writeRawData( 'General' );$objWriter->endElement();$objWriter->startElement('c:ptCount');$objWriter->writeAttribute('val', $plotSeriesValues->getPointCount() );$objWriter->endElement();$dataValues = $plotSeriesValues->getDataValues();if (!empty($dataValues)) {if (is_array($dataValues)) {foreach($dataValues as $plotSeriesKey => $plotSeriesValue) {$objWriter->startElement('c:pt');$objWriter->writeAttribute('idx', $plotSeriesKey );$objWriter->startElement('c:v');$objWriter->writeRawData( 1 );$objWriter->endElement();$objWriter->endElement();}}}$objWriter->endElement();$objWriter->endElement();$objWriter->startElement('c:bubble3D');$objWriter->writeAttribute('val', 0 );$objWriter->endElement();}/*** Write Layout** @param PHPExcel_Chart_Layout $layout* @param PHPExcel_Shared_XMLWriter $objWriter XML Writer* @throws PHPExcel_Writer_Exception*/private function _writeLayout(PHPExcel_Chart_Layout $layout = NULL, $objWriter){$objWriter->startElement('c:layout');if (!is_null($layout)) {$objWriter->startElement('c:manualLayout');$layoutTarget = $layout->getLayoutTarget();if (!is_null($layoutTarget)) {$objWriter->startElement('c:layoutTarget');$objWriter->writeAttribute('val', $layoutTarget);$objWriter->endElement();}$xMode = $layout->getXMode();if (!is_null($xMode)) {$objWriter->startElement('c:xMode');$objWriter->writeAttribute('val', $xMode);$objWriter->endElement();}$yMode = $layout->getYMode();if (!is_null($yMode)) {$objWriter->startElement('c:yMode');$objWriter->writeAttribute('val', $yMode);$objWriter->endElement();}$x = $layout->getXPosition();if (!is_null($x)) {$objWriter->startElement('c:x');$objWriter->writeAttribute('val', $x);$objWriter->endElement();}$y = $layout->getYPosition();if (!is_null($y)) {$objWriter->startElement('c:y');$objWriter->writeAttribute('val', $y);$objWriter->endElement();}$w = $layout->getWidth();if (!is_null($w)) {$objWriter->startElement('c:w');$objWriter->writeAttribute('val', $w);$objWriter->endElement();}$h = $layout->getHeight();if (!is_null($h)) {$objWriter->startElement('c:h');$objWriter->writeAttribute('val', $h);$objWriter->endElement();}$objWriter->endElement();}$objWriter->endElement();}/*** Write Alternate Content block** @param PHPExcel_Shared_XMLWriter $objWriter XML Writer* @throws PHPExcel_Writer_Exception*/private function _writeAlternateContent($objWriter){$objWriter->startElement('mc:AlternateContent');$objWriter->writeAttribute('xmlns:mc', 'http://schemas.openxmlformats.org/markup-compatibility/2006');$objWriter->startElement('mc:Choice');$objWriter->writeAttribute('xmlns:c14', 'http://schemas.microsoft.com/office/drawing/2007/8/2/chart');$objWriter->writeAttribute('Requires', 'c14');$objWriter->startElement('c14:style');$objWriter->writeAttribute('val', '102');$objWriter->endElement();$objWriter->endElement();$objWriter->startElement('mc:Fallback');$objWriter->startElement('c:style');$objWriter->writeAttribute('val', '2');$objWriter->endElement();$objWriter->endElement();$objWriter->endElement();}/*** Write Printer Settings** @param PHPExcel_Shared_XMLWriter $objWriter XML Writer* @throws PHPExcel_Writer_Exception*/private function _writePrintSettings($objWriter){$objWriter->startElement('c:printSettings');$objWriter->startElement('c:headerFooter');$objWriter->endElement();$objWriter->startElement('c:pageMargins');$objWriter->writeAttribute('footer', 0.3);$objWriter->writeAttribute('header', 0.3);$objWriter->writeAttribute('r', 0.7);$objWriter->writeAttribute('l', 0.7);$objWriter->writeAttribute('t', 0.75);$objWriter->writeAttribute('b', 0.75);$objWriter->endElement();$objWriter->startElement('c:pageSetup');$objWriter->writeAttribute('orientation', "portrait");$objWriter->endElement();$objWriter->endElement();}}