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Cost-Benefit-Projection/admin/helpers/PHPExcel/Chart/Renderer/jpgraph.php

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2015-12-01 05:06:34 +00:00
<?php
/**
* PHPExcel
*
* Copyright (c) 2006 - 2014 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_Chart_Renderer
* @copyright Copyright (c) 2006 - 2014 PHPExcel (http://www.codeplex.com/PHPExcel)
* @license http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt LGPL
* @version ##VERSION##, ##DATE##
*/
require_once(PHPExcel_Settings::getChartRendererPath().'/jpgraph.php');
/**
* PHPExcel_Chart_Renderer_jpgraph
*
* @category PHPExcel
* @package PHPExcel_Chart_Renderer
* @copyright Copyright (c) 2006 - 2014 PHPExcel (http://www.codeplex.com/PHPExcel)
*/
class PHPExcel_Chart_Renderer_jpgraph
{
private static $_width = 640;
private static $_height = 480;
private static $_colourSet = array( 'mediumpurple1', 'palegreen3', 'gold1', 'cadetblue1',
'darkmagenta', 'coral', 'dodgerblue3', 'eggplant',
'mediumblue', 'magenta', 'sandybrown', 'cyan',
'firebrick1', 'forestgreen', 'deeppink4', 'darkolivegreen',
'goldenrod2'
);
private static $_markSet = array( 'diamond' => MARK_DIAMOND,
'square' => MARK_SQUARE,
'triangle' => MARK_UTRIANGLE,
'x' => MARK_X,
'star' => MARK_STAR,
'dot' => MARK_FILLEDCIRCLE,
'dash' => MARK_DTRIANGLE,
'circle' => MARK_CIRCLE,
'plus' => MARK_CROSS
);
private $_chart = null;
private $_graph = null;
private static $_plotColour = 0;
private static $_plotMark = 0;
private function _formatPointMarker($seriesPlot,$markerID) {
$plotMarkKeys = array_keys(self::$_markSet);
if (is_null($markerID)) {
// Use default plot marker (next marker in the series)
self::$_plotMark %= count(self::$_markSet);
$seriesPlot->mark->SetType(self::$_markSet[$plotMarkKeys[self::$_plotMark++]]);
} elseif ($markerID !== 'none') {
// Use specified plot marker (if it exists)
if (isset(self::$_markSet[$markerID])) {
$seriesPlot->mark->SetType(self::$_markSet[$markerID]);
} else {
// If the specified plot marker doesn't exist, use default plot marker (next marker in the series)
self::$_plotMark %= count(self::$_markSet);
$seriesPlot->mark->SetType(self::$_markSet[$plotMarkKeys[self::$_plotMark++]]);
}
} else {
// Hide plot marker
$seriesPlot->mark->Hide();
}
$seriesPlot->mark->SetColor(self::$_colourSet[self::$_plotColour]);
$seriesPlot->mark->SetFillColor(self::$_colourSet[self::$_plotColour]);
$seriesPlot->SetColor(self::$_colourSet[self::$_plotColour++]);
return $seriesPlot;
} // function _formatPointMarker()
private function _formatDataSetLabels($groupID, $datasetLabels, $labelCount, $rotation = '') {
$datasetLabelFormatCode = $this->_chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotCategoryByIndex(0)->getFormatCode();
if (!is_null($datasetLabelFormatCode)) {
// Retrieve any label formatting code
$datasetLabelFormatCode = stripslashes($datasetLabelFormatCode);
}
$testCurrentIndex = 0;
foreach($datasetLabels as $i => $datasetLabel) {
if (is_array($datasetLabel)) {
if ($rotation == 'bar') {
$datasetLabels[$i] = implode(" ",$datasetLabel);
} else {
$datasetLabel = array_reverse($datasetLabel);
$datasetLabels[$i] = implode("\n",$datasetLabel);
}
} else {
// Format labels according to any formatting code
if (!is_null($datasetLabelFormatCode)) {
$datasetLabels[$i] = PHPExcel_Style_NumberFormat::toFormattedString($datasetLabel,$datasetLabelFormatCode);
}
}
++$testCurrentIndex;
}
return $datasetLabels;
} // function _formatDataSetLabels()
private function _percentageSumCalculation($groupID,$seriesCount) {
// Adjust our values to a percentage value across all series in the group
for($i = 0; $i < $seriesCount; ++$i) {
if ($i == 0) {
$sumValues = $this->_chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotValuesByIndex($i)->getDataValues();
} else {
$nextValues = $this->_chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotValuesByIndex($i)->getDataValues();
foreach($nextValues as $k => $value) {
if (isset($sumValues[$k])) {
$sumValues[$k] += $value;
} else {
$sumValues[$k] = $value;
}
}
}
}
return $sumValues;
} // function _percentageSumCalculation()
private function _percentageAdjustValues($dataValues,$sumValues) {
foreach($dataValues as $k => $dataValue) {
$dataValues[$k] = $dataValue / $sumValues[$k] * 100;
}
return $dataValues;
} // function _percentageAdjustValues()
private function _getCaption($captionElement) {
// Read any caption
$caption = (!is_null($captionElement)) ? $captionElement->getCaption() : NULL;
// Test if we have a title caption to display
if (!is_null($caption)) {
// If we do, it could be a plain string or an array
if (is_array($caption)) {
// Implode an array to a plain string
$caption = implode('',$caption);
}
}
return $caption;
} // function _getCaption()
private function _renderTitle() {
$title = $this->_getCaption($this->_chart->getTitle());
if (!is_null($title)) {
$this->_graph->title->Set($title);
}
} // function _renderTitle()
private function _renderLegend() {
$legend = $this->_chart->getLegend();
if (!is_null($legend)) {
$legendPosition = $legend->getPosition();
$legendOverlay = $legend->getOverlay();
switch ($legendPosition) {
case 'r' :
$this->_graph->legend->SetPos(0.01,0.5,'right','center'); // right
$this->_graph->legend->SetColumns(1);
break;
case 'l' :
$this->_graph->legend->SetPos(0.01,0.5,'left','center'); // left
$this->_graph->legend->SetColumns(1);
break;
case 't' :
$this->_graph->legend->SetPos(0.5,0.01,'center','top'); // top
break;
case 'b' :
$this->_graph->legend->SetPos(0.5,0.99,'center','bottom'); // bottom
break;
default :
$this->_graph->legend->SetPos(0.01,0.01,'right','top'); // top-right
$this->_graph->legend->SetColumns(1);
break;
}
} else {
$this->_graph->legend->Hide();
}
} // function _renderLegend()
private function _renderCartesianPlotArea($type='textlin') {
$this->_graph = new Graph(self::$_width,self::$_height);
$this->_graph->SetScale($type);
$this->_renderTitle();
// Rotate for bar rather than column chart
$rotation = $this->_chart->getPlotArea()->getPlotGroupByIndex(0)->getPlotDirection();
$reverse = ($rotation == 'bar') ? true : false;
$xAxisLabel = $this->_chart->getXAxisLabel();
if (!is_null($xAxisLabel)) {
$title = $this->_getCaption($xAxisLabel);
if (!is_null($title)) {
$this->_graph->xaxis->SetTitle($title,'center');
$this->_graph->xaxis->title->SetMargin(35);
if ($reverse) {
$this->_graph->xaxis->title->SetAngle(90);
$this->_graph->xaxis->title->SetMargin(90);
}
}
}
$yAxisLabel = $this->_chart->getYAxisLabel();
if (!is_null($yAxisLabel)) {
$title = $this->_getCaption($yAxisLabel);
if (!is_null($title)) {
$this->_graph->yaxis->SetTitle($title,'center');
if ($reverse) {
$this->_graph->yaxis->title->SetAngle(0);
$this->_graph->yaxis->title->SetMargin(-55);
}
}
}
} // function _renderCartesianPlotArea()
private function _renderPiePlotArea($doughnut = False) {
$this->_graph = new PieGraph(self::$_width,self::$_height);
$this->_renderTitle();
} // function _renderPiePlotArea()
private function _renderRadarPlotArea() {
$this->_graph = new RadarGraph(self::$_width,self::$_height);
$this->_graph->SetScale('lin');
$this->_renderTitle();
} // function _renderRadarPlotArea()
private function _renderPlotLine($groupID, $filled = false, $combination = false, $dimensions = '2d') {
$grouping = $this->_chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotGrouping();
$labelCount = count($this->_chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotValuesByIndex(0)->getPointCount());
if ($labelCount > 0) {
$datasetLabels = $this->_chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotCategoryByIndex(0)->getDataValues();
$datasetLabels = $this->_formatDataSetLabels($groupID, $datasetLabels, $labelCount);
$this->_graph->xaxis->SetTickLabels($datasetLabels);
}
$seriesCount = $this->_chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotSeriesCount();
$seriesPlots = array();
if ($grouping == 'percentStacked') {
$sumValues = $this->_percentageSumCalculation($groupID,$seriesCount);
}
// Loop through each data series in turn
for($i = 0; $i < $seriesCount; ++$i) {
$dataValues = $this->_chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotValuesByIndex($i)->getDataValues();
$marker = $this->_chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotValuesByIndex($i)->getPointMarker();
if ($grouping == 'percentStacked') {
$dataValues = $this->_percentageAdjustValues($dataValues,$sumValues);
}
// Fill in any missing values in the $dataValues array
$testCurrentIndex = 0;
foreach($dataValues as $k => $dataValue) {
while($k != $testCurrentIndex) {
$dataValues[$testCurrentIndex] = null;
++$testCurrentIndex;
}
++$testCurrentIndex;
}
$seriesPlot = new LinePlot($dataValues);
if ($combination) {
$seriesPlot->SetBarCenter();
}
if ($filled) {
$seriesPlot->SetFilled(true);
$seriesPlot->SetColor('black');
$seriesPlot->SetFillColor(self::$_colourSet[self::$_plotColour++]);
} else {
// Set the appropriate plot marker
$this->_formatPointMarker($seriesPlot,$marker);
}
$dataLabel = $this->_chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotLabelByIndex($i)->getDataValue();
$seriesPlot->SetLegend($dataLabel);
$seriesPlots[] = $seriesPlot;
}
if ($grouping == 'standard') {
$groupPlot = $seriesPlots;
} else {
$groupPlot = new AccLinePlot($seriesPlots);
}
$this->_graph->Add($groupPlot);
} // function _renderPlotLine()
private function _renderPlotBar($groupID, $dimensions = '2d') {
$rotation = $this->_chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotDirection();
// Rotate for bar rather than column chart
if (($groupID == 0) && ($rotation == 'bar')) {
$this->_graph->Set90AndMargin();
}
$grouping = $this->_chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotGrouping();
$labelCount = count($this->_chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotValuesByIndex(0)->getPointCount());
if ($labelCount > 0) {
$datasetLabels = $this->_chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotCategoryByIndex(0)->getDataValues();
$datasetLabels = $this->_formatDataSetLabels($groupID, $datasetLabels, $labelCount, $rotation);
// Rotate for bar rather than column chart
if ($rotation == 'bar') {
$datasetLabels = array_reverse($datasetLabels);
$this->_graph->yaxis->SetPos('max');
$this->_graph->yaxis->SetLabelAlign('center','top');
$this->_graph->yaxis->SetLabelSide(SIDE_RIGHT);
}
$this->_graph->xaxis->SetTickLabels($datasetLabels);
}
$seriesCount = $this->_chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotSeriesCount();
$seriesPlots = array();
if ($grouping == 'percentStacked') {
$sumValues = $this->_percentageSumCalculation($groupID,$seriesCount);
}
// Loop through each data series in turn
for($j = 0; $j < $seriesCount; ++$j) {
$dataValues = $this->_chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotValuesByIndex($j)->getDataValues();
if ($grouping == 'percentStacked') {
$dataValues = $this->_percentageAdjustValues($dataValues,$sumValues);
}
// Fill in any missing values in the $dataValues array
$testCurrentIndex = 0;
foreach($dataValues as $k => $dataValue) {
while($k != $testCurrentIndex) {
$dataValues[$testCurrentIndex] = null;
++$testCurrentIndex;
}
++$testCurrentIndex;
}
// Reverse the $dataValues order for bar rather than column chart
if ($rotation == 'bar') {
$dataValues = array_reverse($dataValues);
}
$seriesPlot = new BarPlot($dataValues);
$seriesPlot->SetColor('black');
$seriesPlot->SetFillColor(self::$_colourSet[self::$_plotColour++]);
if ($dimensions == '3d') {
$seriesPlot->SetShadow();
}
if (!$this->_chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotLabelByIndex($j)) {
$dataLabel = '';
} else {
$dataLabel = $this->_chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotLabelByIndex($j)->getDataValue();
}
$seriesPlot->SetLegend($dataLabel);
$seriesPlots[] = $seriesPlot;
}
// Reverse the plot order for bar rather than column chart
if (($rotation == 'bar') && (!($grouping == 'percentStacked'))) {
$seriesPlots = array_reverse($seriesPlots);
}
if ($grouping == 'clustered') {
$groupPlot = new GroupBarPlot($seriesPlots);
} elseif ($grouping == 'standard') {
$groupPlot = new GroupBarPlot($seriesPlots);
} else {
$groupPlot = new AccBarPlot($seriesPlots);
if ($dimensions == '3d') {
$groupPlot->SetShadow();
}
}
$this->_graph->Add($groupPlot);
} // function _renderPlotBar()
private function _renderPlotScatter($groupID,$bubble) {
$grouping = $this->_chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotGrouping();
$scatterStyle = $bubbleSize = $this->_chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotStyle();
$seriesCount = $this->_chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotSeriesCount();
$seriesPlots = array();
// Loop through each data series in turn
for($i = 0; $i < $seriesCount; ++$i) {
$dataValuesY = $this->_chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotCategoryByIndex($i)->getDataValues();
$dataValuesX = $this->_chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotValuesByIndex($i)->getDataValues();
foreach($dataValuesY as $k => $dataValueY) {
$dataValuesY[$k] = $k;
}
$seriesPlot = new ScatterPlot($dataValuesX,$dataValuesY);
if ($scatterStyle == 'lineMarker') {
$seriesPlot->SetLinkPoints();
$seriesPlot->link->SetColor(self::$_colourSet[self::$_plotColour]);
} elseif ($scatterStyle == 'smoothMarker') {
$spline = new Spline($dataValuesY,$dataValuesX);
list($splineDataY,$splineDataX) = $spline->Get(count($dataValuesX) * self::$_width / 20);
$lplot = new LinePlot($splineDataX,$splineDataY);
$lplot->SetColor(self::$_colourSet[self::$_plotColour]);
$this->_graph->Add($lplot);
}
if ($bubble) {
$this->_formatPointMarker($seriesPlot,'dot');
$seriesPlot->mark->SetColor('black');
$seriesPlot->mark->SetSize($bubbleSize);
} else {
$marker = $this->_chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotValuesByIndex($i)->getPointMarker();
$this->_formatPointMarker($seriesPlot,$marker);
}
$dataLabel = $this->_chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotLabelByIndex($i)->getDataValue();
$seriesPlot->SetLegend($dataLabel);
$this->_graph->Add($seriesPlot);
}
} // function _renderPlotScatter()
private function _renderPlotRadar($groupID) {
$radarStyle = $this->_chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotStyle();
$seriesCount = $this->_chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotSeriesCount();
$seriesPlots = array();
// Loop through each data series in turn
for($i = 0; $i < $seriesCount; ++$i) {
$dataValuesY = $this->_chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotCategoryByIndex($i)->getDataValues();
$dataValuesX = $this->_chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotValuesByIndex($i)->getDataValues();
$marker = $this->_chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotValuesByIndex($i)->getPointMarker();
$dataValues = array();
foreach($dataValuesY as $k => $dataValueY) {
$dataValues[$k] = implode(' ',array_reverse($dataValueY));
}
$tmp = array_shift($dataValues);
$dataValues[] = $tmp;
$tmp = array_shift($dataValuesX);
$dataValuesX[] = $tmp;
$this->_graph->SetTitles(array_reverse($dataValues));
$seriesPlot = new RadarPlot(array_reverse($dataValuesX));
$dataLabel = $this->_chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotLabelByIndex($i)->getDataValue();
$seriesPlot->SetColor(self::$_colourSet[self::$_plotColour++]);
if ($radarStyle == 'filled') {
$seriesPlot->SetFillColor(self::$_colourSet[self::$_plotColour]);
}
$this->_formatPointMarker($seriesPlot,$marker);
$seriesPlot->SetLegend($dataLabel);
$this->_graph->Add($seriesPlot);
}
} // function _renderPlotRadar()
private function _renderPlotContour($groupID) {
$contourStyle = $this->_chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotStyle();
$seriesCount = $this->_chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotSeriesCount();
$seriesPlots = array();
$dataValues = array();
// Loop through each data series in turn
for($i = 0; $i < $seriesCount; ++$i) {
$dataValuesY = $this->_chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotCategoryByIndex($i)->getDataValues();
$dataValuesX = $this->_chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotValuesByIndex($i)->getDataValues();
$dataValues[$i] = $dataValuesX;
}
$seriesPlot = new ContourPlot($dataValues);
$this->_graph->Add($seriesPlot);
} // function _renderPlotContour()
private function _renderPlotStock($groupID) {
$seriesCount = $this->_chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotSeriesCount();
$plotOrder = $this->_chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotOrder();
$dataValues = array();
// Loop through each data series in turn and build the plot arrays
foreach($plotOrder as $i => $v) {
$dataValuesX = $this->_chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotValuesByIndex($v)->getDataValues();
foreach($dataValuesX as $j => $dataValueX) {
$dataValues[$plotOrder[$i]][$j] = $dataValueX;
}
}
if(empty($dataValues)) {
return;
}
$dataValuesPlot = array();
// Flatten the plot arrays to a single dimensional array to work with jpgraph
for($j = 0; $j < count($dataValues[0]); $j++) {
for($i = 0; $i < $seriesCount; $i++) {
$dataValuesPlot[] = $dataValues[$i][$j];
}
}
// Set the x-axis labels
$labelCount = count($this->_chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotValuesByIndex(0)->getPointCount());
if ($labelCount > 0) {
$datasetLabels = $this->_chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotCategoryByIndex(0)->getDataValues();
$datasetLabels = $this->_formatDataSetLabels($groupID, $datasetLabels, $labelCount);
$this->_graph->xaxis->SetTickLabels($datasetLabels);
}
$seriesPlot = new StockPlot($dataValuesPlot);
$seriesPlot->SetWidth(20);
$this->_graph->Add($seriesPlot);
} // function _renderPlotStock()
private function _renderAreaChart($groupCount, $dimensions = '2d') {
require_once(PHPExcel_Settings::getChartRendererPath().'jpgraph_line.php');
$this->_renderCartesianPlotArea();
for($i = 0; $i < $groupCount; ++$i) {
$this->_renderPlotLine($i,True,False,$dimensions);
}
} // function _renderAreaChart()
private function _renderLineChart($groupCount, $dimensions = '2d') {
require_once(PHPExcel_Settings::getChartRendererPath().'jpgraph_line.php');
$this->_renderCartesianPlotArea();
for($i = 0; $i < $groupCount; ++$i) {
$this->_renderPlotLine($i,False,False,$dimensions);
}
} // function _renderLineChart()
private function _renderBarChart($groupCount, $dimensions = '2d') {
require_once(PHPExcel_Settings::getChartRendererPath().'jpgraph_bar.php');
$this->_renderCartesianPlotArea();
for($i = 0; $i < $groupCount; ++$i) {
$this->_renderPlotBar($i,$dimensions);
}
} // function _renderBarChart()
private function _renderScatterChart($groupCount) {
require_once(PHPExcel_Settings::getChartRendererPath().'jpgraph_scatter.php');
require_once(PHPExcel_Settings::getChartRendererPath().'jpgraph_regstat.php');
require_once(PHPExcel_Settings::getChartRendererPath().'jpgraph_line.php');
$this->_renderCartesianPlotArea('linlin');
for($i = 0; $i < $groupCount; ++$i) {
$this->_renderPlotScatter($i,false);
}
} // function _renderScatterChart()
private function _renderBubbleChart($groupCount) {
require_once(PHPExcel_Settings::getChartRendererPath().'jpgraph_scatter.php');
$this->_renderCartesianPlotArea('linlin');
for($i = 0; $i < $groupCount; ++$i) {
$this->_renderPlotScatter($i,true);
}
} // function _renderBubbleChart()
private function _renderPieChart($groupCount, $dimensions = '2d', $doughnut = False, $multiplePlots = False) {
require_once(PHPExcel_Settings::getChartRendererPath().'jpgraph_pie.php');
if ($dimensions == '3d') {
require_once(PHPExcel_Settings::getChartRendererPath().'jpgraph_pie3d.php');
}
$this->_renderPiePlotArea($doughnut);
$iLimit = ($multiplePlots) ? $groupCount : 1;
for($groupID = 0; $groupID < $iLimit; ++$groupID) {
$grouping = $this->_chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotGrouping();
$exploded = $this->_chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotStyle();
if ($groupID == 0) {
$labelCount = count($this->_chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotValuesByIndex(0)->getPointCount());
if ($labelCount > 0) {
$datasetLabels = $this->_chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotCategoryByIndex(0)->getDataValues();
$datasetLabels = $this->_formatDataSetLabels($groupID, $datasetLabels, $labelCount);
}
}
$seriesCount = $this->_chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotSeriesCount();
$seriesPlots = array();
// For pie charts, we only display the first series: doughnut charts generally display all series
$jLimit = ($multiplePlots) ? $seriesCount : 1;
// Loop through each data series in turn
for($j = 0; $j < $jLimit; ++$j) {
$dataValues = $this->_chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotValuesByIndex($j)->getDataValues();
// Fill in any missing values in the $dataValues array
$testCurrentIndex = 0;
foreach($dataValues as $k => $dataValue) {
while($k != $testCurrentIndex) {
$dataValues[$testCurrentIndex] = null;
++$testCurrentIndex;
}
++$testCurrentIndex;
}
if ($dimensions == '3d') {
$seriesPlot = new PiePlot3D($dataValues);
} else {
if ($doughnut) {
$seriesPlot = new PiePlotC($dataValues);
} else {
$seriesPlot = new PiePlot($dataValues);
}
}
if ($multiplePlots) {
$seriesPlot->SetSize(($jLimit-$j) / ($jLimit * 4));
}
if ($doughnut) {
$seriesPlot->SetMidColor('white');
}
$seriesPlot->SetColor(self::$_colourSet[self::$_plotColour++]);
if (count($datasetLabels) > 0)
$seriesPlot->SetLabels(array_fill(0,count($datasetLabels),''));
if ($dimensions != '3d') {
$seriesPlot->SetGuideLines(false);
}
if ($j == 0) {
if ($exploded) {
$seriesPlot->ExplodeAll();
}
$seriesPlot->SetLegends($datasetLabels);
}
$this->_graph->Add($seriesPlot);
}
}
} // function _renderPieChart()
private function _renderRadarChart($groupCount) {
require_once(PHPExcel_Settings::getChartRendererPath().'jpgraph_radar.php');
$this->_renderRadarPlotArea();
for($groupID = 0; $groupID < $groupCount; ++$groupID) {
$this->_renderPlotRadar($groupID);
}
} // function _renderRadarChart()
private function _renderStockChart($groupCount) {
require_once(PHPExcel_Settings::getChartRendererPath().'jpgraph_stock.php');
$this->_renderCartesianPlotArea('intint');
for($groupID = 0; $groupID < $groupCount; ++$groupID) {
$this->_renderPlotStock($groupID);
}
} // function _renderStockChart()
private function _renderContourChart($groupCount,$dimensions) {
require_once(PHPExcel_Settings::getChartRendererPath().'jpgraph_contour.php');
$this->_renderCartesianPlotArea('intint');
for($i = 0; $i < $groupCount; ++$i) {
$this->_renderPlotContour($i);
}
} // function _renderContourChart()
private function _renderCombinationChart($groupCount,$dimensions,$outputDestination) {
require_once(PHPExcel_Settings::getChartRendererPath().'jpgraph_line.php');
require_once(PHPExcel_Settings::getChartRendererPath().'jpgraph_bar.php');
require_once(PHPExcel_Settings::getChartRendererPath().'jpgraph_scatter.php');
require_once(PHPExcel_Settings::getChartRendererPath().'jpgraph_regstat.php');
require_once(PHPExcel_Settings::getChartRendererPath().'jpgraph_line.php');
$this->_renderCartesianPlotArea();
for($i = 0; $i < $groupCount; ++$i) {
$dimensions = null;
$chartType = $this->_chart->getPlotArea()->getPlotGroupByIndex($i)->getPlotType();
switch ($chartType) {
case 'area3DChart' :
$dimensions = '3d';
case 'areaChart' :
$this->_renderPlotLine($i,True,True,$dimensions);
break;
case 'bar3DChart' :
$dimensions = '3d';
case 'barChart' :
$this->_renderPlotBar($i,$dimensions);
break;
case 'line3DChart' :
$dimensions = '3d';
case 'lineChart' :
$this->_renderPlotLine($i,False,True,$dimensions);
break;
case 'scatterChart' :
$this->_renderPlotScatter($i,false);
break;
case 'bubbleChart' :
$this->_renderPlotScatter($i,true);
break;
default :
$this->_graph = null;
return false;
}
}
$this->_renderLegend();
$this->_graph->Stroke($outputDestination);
return true;
} // function _renderCombinationChart()
public function render($outputDestination) {
self::$_plotColour = 0;
$groupCount = $this->_chart->getPlotArea()->getPlotGroupCount();
$dimensions = null;
if ($groupCount == 1) {
$chartType = $this->_chart->getPlotArea()->getPlotGroupByIndex(0)->getPlotType();
} else {
$chartTypes = array();
for($i = 0; $i < $groupCount; ++$i) {
$chartTypes[] = $this->_chart->getPlotArea()->getPlotGroupByIndex($i)->getPlotType();
}
$chartTypes = array_unique($chartTypes);
if (count($chartTypes) == 1) {
$chartType = array_pop($chartTypes);
} elseif (count($chartTypes) == 0) {
echo 'Chart is not yet implemented<br />';
return false;
} else {
return $this->_renderCombinationChart($groupCount,$dimensions,$outputDestination);
}
}
switch ($chartType) {
case 'area3DChart' :
$dimensions = '3d';
case 'areaChart' :
$this->_renderAreaChart($groupCount,$dimensions);
break;
case 'bar3DChart' :
$dimensions = '3d';
case 'barChart' :
$this->_renderBarChart($groupCount,$dimensions);
break;
case 'line3DChart' :
$dimensions = '3d';
case 'lineChart' :
$this->_renderLineChart($groupCount,$dimensions);
break;
case 'pie3DChart' :
$dimensions = '3d';
case 'pieChart' :
$this->_renderPieChart($groupCount,$dimensions,False,False);
break;
case 'doughnut3DChart' :
$dimensions = '3d';
case 'doughnutChart' :
$this->_renderPieChart($groupCount,$dimensions,True,True);
break;
case 'scatterChart' :
$this->_renderScatterChart($groupCount);
break;
case 'bubbleChart' :
$this->_renderBubbleChart($groupCount);
break;
case 'radarChart' :
$this->_renderRadarChart($groupCount);
break;
case 'surface3DChart' :
$dimensions = '3d';
case 'surfaceChart' :
$this->_renderContourChart($groupCount,$dimensions);
break;
case 'stockChart' :
$this->_renderStockChart($groupCount,$dimensions);
break;
default :
echo $chartType.' is not yet implemented<br />';
return false;
}
$this->_renderLegend();
$this->_graph->Stroke($outputDestination);
return true;
} // function render()
/**
* Create a new PHPExcel_Chart_Renderer_jpgraph
*/
public function __construct(PHPExcel_Chart $chart)
{
$this->_graph = null;
$this->_chart = $chart;
} // function __construct()
} // PHPExcel_Chart_Renderer_jpgraph
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