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<?php
namespace PhpOffice\PhpSpreadsheet\Reader\Xlsx;
use PhpOffice\PhpSpreadsheet\Calculation\Functions;
use PhpOffice\PhpSpreadsheet\Chart\DataSeries;
use PhpOffice\PhpSpreadsheet\Chart\DataSeriesValues;
use PhpOffice\PhpSpreadsheet\Chart\Layout;
use PhpOffice\PhpSpreadsheet\Chart\Legend;
use PhpOffice\PhpSpreadsheet\Chart\PlotArea;
use PhpOffice\PhpSpreadsheet\Chart\Title;
use PhpOffice\PhpSpreadsheet\RichText\RichText;
use PhpOffice\PhpSpreadsheet\Style\Color;
use PhpOffice\PhpSpreadsheet\Style\Font;
use SimpleXMLElement;
class Chart
{
/**
* @param SimpleXMLElement $component
* @param string $name
* @param string $format
*
* @return null|bool|float|int|string
*/
private static function getAttribute(SimpleXMLElement $component, $name, $format)
{
$attributes = $component->attributes();
if (isset($attributes[$name])) {
if ($format == 'string') {
return (string) $attributes[$name];
} elseif ($format == 'integer') {
return (int) $attributes[$name];
} elseif ($format == 'boolean') {
return (bool) ($attributes[$name] === '0' || $attributes[$name] !== 'true') ? false : true;
}
return (float) $attributes[$name];
}
return null;
}
private static function readColor($color, $background = false)
{
if (isset($color['rgb'])) {
return (string) $color['rgb'];
} elseif (isset($color['indexed'])) {
return Color::indexedColor($color['indexed'] - 7, $background)->getARGB();
}
}
/**
* @param SimpleXMLElement $chartElements
* @param string $chartName
*
* @return \PhpOffice\PhpSpreadsheet\Chart\Chart
*/
public static function readChart(SimpleXMLElement $chartElements, $chartName)
{
$namespacesChartMeta = $chartElements->getNamespaces(true);
$chartElementsC = $chartElements->children($namespacesChartMeta['c']);
$XaxisLabel = $YaxisLabel = $legend = $title = null;
$dispBlanksAs = $plotVisOnly = null;
foreach ($chartElementsC as $chartElementKey => $chartElement) {
switch ($chartElementKey) {
case 'chart':
foreach ($chartElement as $chartDetailsKey => $chartDetails) {
$chartDetailsC = $chartDetails->children($namespacesChartMeta['c']);
switch ($chartDetailsKey) {
case 'plotArea':
$plotAreaLayout = $XaxisLable = $YaxisLable = null;
$plotSeries = $plotAttributes = [];
foreach ($chartDetails as $chartDetailKey => $chartDetail) {
switch ($chartDetailKey) {
case 'layout':
$plotAreaLayout = self::chartLayoutDetails($chartDetail, $namespacesChartMeta);
break;
case 'catAx':
if (isset($chartDetail->title)) {
$XaxisLabel = self::chartTitle($chartDetail->title->children($namespacesChartMeta['c']), $namespacesChartMeta);
}
break;
case 'dateAx':
if (isset($chartDetail->title)) {
$XaxisLabel = self::chartTitle($chartDetail->title->children($namespacesChartMeta['c']), $namespacesChartMeta);
}
break;
case 'valAx':
if (isset($chartDetail->title)) {
$YaxisLabel = self::chartTitle($chartDetail->title->children($namespacesChartMeta['c']), $namespacesChartMeta);
}
break;
case 'barChart':
case 'bar3DChart':
$barDirection = self::getAttribute($chartDetail->barDir, 'val', 'string');
$plotSer = self::chartDataSeries($chartDetail, $namespacesChartMeta, $chartDetailKey);
$plotSer->setPlotDirection($barDirection);
$plotSeries[] = $plotSer;
$plotAttributes = self::readChartAttributes($chartDetail);
break;
case 'lineChart':
case 'line3DChart':
$plotSeries[] = self::chartDataSeries($chartDetail, $namespacesChartMeta, $chartDetailKey);
$plotAttributes = self::readChartAttributes($chartDetail);
break;
case 'areaChart':
case 'area3DChart':
$plotSeries[] = self::chartDataSeries($chartDetail, $namespacesChartMeta, $chartDetailKey);
$plotAttributes = self::readChartAttributes($chartDetail);
break;
case 'doughnutChart':
case 'pieChart':
case 'pie3DChart':
$explosion = isset($chartDetail->ser->explosion);
$plotSer = self::chartDataSeries($chartDetail, $namespacesChartMeta, $chartDetailKey);
$plotSer->setPlotStyle($explosion);
$plotSeries[] = $plotSer;
$plotAttributes = self::readChartAttributes($chartDetail);
break;
case 'scatterChart':
$scatterStyle = self::getAttribute($chartDetail->scatterStyle, 'val', 'string');
$plotSer = self::chartDataSeries($chartDetail, $namespacesChartMeta, $chartDetailKey);
$plotSer->setPlotStyle($scatterStyle);
$plotSeries[] = $plotSer;
$plotAttributes = self::readChartAttributes($chartDetail);
break;
case 'bubbleChart':
$bubbleScale = self::getAttribute($chartDetail->bubbleScale, 'val', 'integer');
$plotSer = self::chartDataSeries($chartDetail, $namespacesChartMeta, $chartDetailKey);
$plotSer->setPlotStyle($bubbleScale);
$plotSeries[] = $plotSer;
$plotAttributes = self::readChartAttributes($chartDetail);
break;
case 'radarChart':
$radarStyle = self::getAttribute($chartDetail->radarStyle, 'val', 'string');
$plotSer = self::chartDataSeries($chartDetail, $namespacesChartMeta, $chartDetailKey);
$plotSer->setPlotStyle($radarStyle);
$plotSeries[] = $plotSer;
$plotAttributes = self::readChartAttributes($chartDetail);
break;
case 'surfaceChart':
case 'surface3DChart':
$wireFrame = self::getAttribute($chartDetail->wireframe, 'val', 'boolean');
$plotSer = self::chartDataSeries($chartDetail, $namespacesChartMeta, $chartDetailKey);
$plotSer->setPlotStyle($wireFrame);
$plotSeries[] = $plotSer;
$plotAttributes = self::readChartAttributes($chartDetail);
break;
case 'stockChart':
$plotSeries[] = self::chartDataSeries($chartDetail, $namespacesChartMeta, $chartDetailKey);
$plotAttributes = self::readChartAttributes($plotAreaLayout);
break;
}
}
if ($plotAreaLayout == null) {
$plotAreaLayout = new Layout();
}
$plotArea = new PlotArea($plotAreaLayout, $plotSeries);
self::setChartAttributes($plotAreaLayout, $plotAttributes);
break;
case 'plotVisOnly':
$plotVisOnly = self::getAttribute($chartDetails, 'val', 'string');
break;
case 'dispBlanksAs':
$dispBlanksAs = self::getAttribute($chartDetails, 'val', 'string');
break;
case 'title':
$title = self::chartTitle($chartDetails, $namespacesChartMeta);
break;
case 'legend':
$legendPos = 'r';
$legendLayout = null;
$legendOverlay = false;
foreach ($chartDetails as $chartDetailKey => $chartDetail) {
switch ($chartDetailKey) {
case 'legendPos':
$legendPos = self::getAttribute($chartDetail, 'val', 'string');
break;
case 'overlay':
$legendOverlay = self::getAttribute($chartDetail, 'val', 'boolean');
break;
case 'layout':
$legendLayout = self::chartLayoutDetails($chartDetail, $namespacesChartMeta);
break;
}
}
$legend = new Legend($legendPos, $legendLayout, $legendOverlay);
break;
}
}
}
}
$chart = new \PhpOffice\PhpSpreadsheet\Chart\Chart($chartName, $title, $legend, $plotArea, $plotVisOnly, $dispBlanksAs, $XaxisLabel, $YaxisLabel);
return $chart;
}
private static function chartTitle(SimpleXMLElement $titleDetails, array $namespacesChartMeta)
{
$caption = [];
$titleLayout = null;
foreach ($titleDetails as $titleDetailKey => $chartDetail) {
switch ($titleDetailKey) {
case 'tx':
$titleDetails = $chartDetail->rich->children($namespacesChartMeta['a']);
foreach ($titleDetails as $titleKey => $titleDetail) {
switch ($titleKey) {
case 'p':
$titleDetailPart = $titleDetail->children($namespacesChartMeta['a']);
$caption[] = self::parseRichText($titleDetailPart);
}
}
break;
case 'layout':
$titleLayout = self::chartLayoutDetails($chartDetail, $namespacesChartMeta);
break;
}
}
return new Title($caption, $titleLayout);
}
private static function chartLayoutDetails($chartDetail, $namespacesChartMeta)
{
if (!isset($chartDetail->manualLayout)) {
return null;
}
$details = $chartDetail->manualLayout->children($namespacesChartMeta['c']);
if ($details === null) {
return null;
}
$layout = [];
foreach ($details as $detailKey => $detail) {
$layout[$detailKey] = self::getAttribute($detail, 'val', 'string');
}
return new Layout($layout);
}
private static function chartDataSeries($chartDetail, $namespacesChartMeta, $plotType)
{
$multiSeriesType = null;
$smoothLine = false;
$seriesLabel = $seriesCategory = $seriesValues = $plotOrder = [];
$seriesDetailSet = $chartDetail->children($namespacesChartMeta['c']);
foreach ($seriesDetailSet as $seriesDetailKey => $seriesDetails) {
switch ($seriesDetailKey) {
case 'grouping':
$multiSeriesType = self::getAttribute($chartDetail->grouping, 'val', 'string');
break;
case 'ser':
$marker = null;
$seriesIndex = '';
foreach ($seriesDetails as $seriesKey => $seriesDetail) {
switch ($seriesKey) {
case 'idx':
$seriesIndex = self::getAttribute($seriesDetail, 'val', 'integer');
break;
case 'order':
$seriesOrder = self::getAttribute($seriesDetail, 'val', 'integer');
$plotOrder[$seriesIndex] = $seriesOrder;
break;
case 'tx':
$seriesLabel[$seriesIndex] = self::chartDataSeriesValueSet($seriesDetail, $namespacesChartMeta);
break;
case 'marker':
$marker = self::getAttribute($seriesDetail->symbol, 'val', 'string');
break;
case 'smooth':
$smoothLine = self::getAttribute($seriesDetail, 'val', 'boolean');
break;
case 'cat':
$seriesCategory[$seriesIndex] = self::chartDataSeriesValueSet($seriesDetail, $namespacesChartMeta);
break;
case 'val':
$seriesValues[$seriesIndex] = self::chartDataSeriesValueSet($seriesDetail, $namespacesChartMeta, $marker);
break;
case 'xVal':
$seriesCategory[$seriesIndex] = self::chartDataSeriesValueSet($seriesDetail, $namespacesChartMeta, $marker);
break;
case 'yVal':
$seriesValues[$seriesIndex] = self::chartDataSeriesValueSet($seriesDetail, $namespacesChartMeta, $marker);
break;
}
}
}
}
return new DataSeries($plotType, $multiSeriesType, $plotOrder, $seriesLabel, $seriesCategory, $seriesValues, $smoothLine);
}
private static function chartDataSeriesValueSet($seriesDetail, $namespacesChartMeta, $marker = null)
{
if (isset($seriesDetail->strRef)) {
$seriesSource = (string) $seriesDetail->strRef->f;
$seriesData = self::chartDataSeriesValues($seriesDetail->strRef->strCache->children($namespacesChartMeta['c']), 's');
return new DataSeriesValues(DataSeriesValues::DATASERIES_TYPE_STRING, $seriesSource, $seriesData['formatCode'], $seriesData['pointCount'], $seriesData['dataValues'], $marker);
} elseif (isset($seriesDetail->numRef)) {
$seriesSource = (string) $seriesDetail->numRef->f;
$seriesData = self::chartDataSeriesValues($seriesDetail->numRef->numCache->children($namespacesChartMeta['c']));
return new DataSeriesValues(DataSeriesValues::DATASERIES_TYPE_NUMBER, $seriesSource, $seriesData['formatCode'], $seriesData['pointCount'], $seriesData['dataValues'], $marker);
} elseif (isset($seriesDetail->multiLvlStrRef)) {
$seriesSource = (string) $seriesDetail->multiLvlStrRef->f;
$seriesData = self::chartDataSeriesValuesMultiLevel($seriesDetail->multiLvlStrRef->multiLvlStrCache->children($namespacesChartMeta['c']), 's');
$seriesData['pointCount'] = count($seriesData['dataValues']);
return new DataSeriesValues(DataSeriesValues::DATASERIES_TYPE_STRING, $seriesSource, $seriesData['formatCode'], $seriesData['pointCount'], $seriesData['dataValues'], $marker);
} elseif (isset($seriesDetail->multiLvlNumRef)) {
$seriesSource = (string) $seriesDetail->multiLvlNumRef->f;
$seriesData = self::chartDataSeriesValuesMultiLevel($seriesDetail->multiLvlNumRef->multiLvlNumCache->children($namespacesChartMeta['c']), 's');
$seriesData['pointCount'] = count($seriesData['dataValues']);
return new DataSeriesValues(DataSeriesValues::DATASERIES_TYPE_STRING, $seriesSource, $seriesData['formatCode'], $seriesData['pointCount'], $seriesData['dataValues'], $marker);
}
return null;
}
private static function chartDataSeriesValues($seriesValueSet, $dataType = 'n')
{
$seriesVal = [];
$formatCode = '';
$pointCount = 0;
foreach ($seriesValueSet as $seriesValueIdx => $seriesValue) {
switch ($seriesValueIdx) {
case 'ptCount':
$pointCount = self::getAttribute($seriesValue, 'val', 'integer');
break;
case 'formatCode':
$formatCode = (string) $seriesValue;
break;
case 'pt':
$pointVal = self::getAttribute($seriesValue, 'idx', 'integer');
if ($dataType == 's') {
$seriesVal[$pointVal] = (string) $seriesValue->v;
} elseif ($seriesValue->v === Functions::NA()) {
$seriesVal[$pointVal] = null;
} else {
$seriesVal[$pointVal] = (float) $seriesValue->v;
}
break;
}
}
return [
'formatCode' => $formatCode,
'pointCount' => $pointCount,
'dataValues' => $seriesVal,
];
}
private static function chartDataSeriesValuesMultiLevel($seriesValueSet, $dataType = 'n')
{
$seriesVal = [];
$formatCode = '';
$pointCount = 0;
foreach ($seriesValueSet->lvl as $seriesLevelIdx => $seriesLevel) {
foreach ($seriesLevel as $seriesValueIdx => $seriesValue) {
switch ($seriesValueIdx) {
case 'ptCount':
$pointCount = self::getAttribute($seriesValue, 'val', 'integer');
break;
case 'formatCode':
$formatCode = (string) $seriesValue;
break;
case 'pt':
$pointVal = self::getAttribute($seriesValue, 'idx', 'integer');
if ($dataType == 's') {
$seriesVal[$pointVal][] = (string) $seriesValue->v;
} elseif ($seriesValue->v === Functions::NA()) {
$seriesVal[$pointVal] = null;
} else {
$seriesVal[$pointVal][] = (float) $seriesValue->v;
}
break;
}
}
}
return [
'formatCode' => $formatCode,
'pointCount' => $pointCount,
'dataValues' => $seriesVal,
];
}
private static function parseRichText(SimpleXMLElement $titleDetailPart)
{
$value = new RichText();
$objText = null;
foreach ($titleDetailPart as $titleDetailElementKey => $titleDetailElement) {
if (isset($titleDetailElement->t)) {
$objText = $value->createTextRun((string) $titleDetailElement->t);
}
if (isset($titleDetailElement->rPr)) {
if (isset($titleDetailElement->rPr->rFont['val'])) {
$objText->getFont()->setName((string) $titleDetailElement->rPr->rFont['val']);
}
$fontSize = (self::getAttribute($titleDetailElement->rPr, 'sz', 'integer'));
if ($fontSize !== null) {
$objText->getFont()->setSize(floor($fontSize / 100));
}
$fontColor = (self::getAttribute($titleDetailElement->rPr, 'color', 'string'));
if ($fontColor !== null) {
$objText->getFont()->setColor(new Color(self::readColor($fontColor)));
}
$bold = self::getAttribute($titleDetailElement->rPr, 'b', 'boolean');
if ($bold !== null) {
$objText->getFont()->setBold($bold);
}
$italic = self::getAttribute($titleDetailElement->rPr, 'i', 'boolean');
if ($italic !== null) {
$objText->getFont()->setItalic($italic);
}
$baseline = self::getAttribute($titleDetailElement->rPr, 'baseline', 'integer');
if ($baseline !== null) {
if ($baseline > 0) {
$objText->getFont()->setSuperscript(true);
} elseif ($baseline < 0) {
$objText->getFont()->setSubscript(true);
}
}
$underscore = (self::getAttribute($titleDetailElement->rPr, 'u', 'string'));
if ($underscore !== null) {
if ($underscore == 'sng') {
$objText->getFont()->setUnderline(Font::UNDERLINE_SINGLE);
} elseif ($underscore == 'dbl') {
$objText->getFont()->setUnderline(Font::UNDERLINE_DOUBLE);
} else {
$objText->getFont()->setUnderline(Font::UNDERLINE_NONE);
}
}
$strikethrough = (self::getAttribute($titleDetailElement->rPr, 's', 'string'));
if ($strikethrough !== null) {
if ($strikethrough == 'noStrike') {
$objText->getFont()->setStrikethrough(false);
} else {
$objText->getFont()->setStrikethrough(true);
}
}
}
}
return $value;
}
private static function readChartAttributes($chartDetail)
{
$plotAttributes = [];
if (isset($chartDetail->dLbls)) {
if (isset($chartDetail->dLbls->howLegendKey)) {
$plotAttributes['showLegendKey'] = self::getAttribute($chartDetail->dLbls->showLegendKey, 'val', 'string');
}
if (isset($chartDetail->dLbls->showVal)) {
$plotAttributes['showVal'] = self::getAttribute($chartDetail->dLbls->showVal, 'val', 'string');
}
if (isset($chartDetail->dLbls->showCatName)) {
$plotAttributes['showCatName'] = self::getAttribute($chartDetail->dLbls->showCatName, 'val', 'string');
}
if (isset($chartDetail->dLbls->showSerName)) {
$plotAttributes['showSerName'] = self::getAttribute($chartDetail->dLbls->showSerName, 'val', 'string');
}
if (isset($chartDetail->dLbls->showPercent)) {
$plotAttributes['showPercent'] = self::getAttribute($chartDetail->dLbls->showPercent, 'val', 'string');
}
if (isset($chartDetail->dLbls->showBubbleSize)) {
$plotAttributes['showBubbleSize'] = self::getAttribute($chartDetail->dLbls->showBubbleSize, 'val', 'string');
}
if (isset($chartDetail->dLbls->showLeaderLines)) {
$plotAttributes['showLeaderLines'] = self::getAttribute($chartDetail->dLbls->showLeaderLines, 'val', 'string');
}
}
return $plotAttributes;
}
/**
* @param Layout $plotArea
* @param mixed $plotAttributes
*/
private static function setChartAttributes(Layout $plotArea, $plotAttributes)
{
foreach ($plotAttributes as $plotAttributeKey => $plotAttributeValue) {
switch ($plotAttributeKey) {
case 'showLegendKey':
$plotArea->setShowLegendKey($plotAttributeValue);
break;
case 'showVal':
$plotArea->setShowVal($plotAttributeValue);
break;
case 'showCatName':
$plotArea->setShowCatName($plotAttributeValue);
break;
case 'showSerName':
$plotArea->setShowSerName($plotAttributeValue);
break;
case 'showPercent':
$plotArea->setShowPercent($plotAttributeValue);
break;
case 'showBubbleSize':
$plotArea->setShowBubbleSize($plotAttributeValue);
break;
case 'showLeaderLines':
$plotArea->setShowLeaderLines($plotAttributeValue);
break;
}
}
}
}