/**
* Creates a sample chart with the given dataset.
*
* @param dataset the dataset.
* @return A sample chart.
*/
private JFreeChart createChart(final CategoryDataset dataset) {
final JFreeChart chart =
ChartFactory.createMultiplePieChart(
"Multiple Pie Chart", // chart title
dataset, // dataset
TableOrder.BY_ROW,
true, // include legend
true,
true);
final MultiplePiePlot plot = (MultiplePiePlot) chart.getPlot();
final JFreeChart subchart = plot.getPieChart();
final PiePlot p = (PiePlot) subchart.getPlot();
p.setLabelGenerator(new StandardPieSectionLabelGenerator("{0}"));
p.setLabelFont(new Font("SansSerif", Font.PLAIN, 8));
p.setInteriorGap(0.30);
return chart;
}
protected void buildChart() {
DefaultCategoryDataset dataset = new DefaultCategoryDataset();
chart =
ChartFactory.createMultiplePieChart(
"Untitled Chart", dataset, org.jfree.util.TableOrder.BY_COLUMN, false, true, false);
chart.setAntiAlias(true);
// chartPanel = new ScrollableChartPanel(chart, true);
chartPanel = buildChartPanel(chart);
// chartHolder.getViewport().setView(chartPanel);
setChartPanel(chartPanel);
JFreeChart baseChart = (JFreeChart) ((MultiplePiePlot) (chart.getPlot())).getPieChart();
PiePlot base = (PiePlot) (baseChart.getPlot());
base.setIgnoreZeroValues(true);
base.setLabelOutlinePaint(java.awt.Color.WHITE);
base.setLabelShadowPaint(java.awt.Color.WHITE);
base.setMaximumLabelWidth(
0.25); // allow bigger labels by a bit (this will make the chart smaller)
base.setInteriorGap(0.000); // allow stretch to compensate for the bigger label width
base.setLabelBackgroundPaint(java.awt.Color.WHITE);
base.setOutlinePaint(null);
base.setBackgroundPaint(null);
base.setShadowPaint(null);
base.setSimpleLabels(false); // I think they're false anyway
// change the look of the series title to be smaller
StandardChartTheme theme = new StandardChartTheme("Hi");
TextTitle title = new TextTitle("Whatever", theme.getLargeFont());
title.setPaint(theme.getAxisLabelPaint());
title.setPosition(RectangleEdge.BOTTOM);
baseChart.setTitle(title);
// this must come last because the chart must exist for us to set its dataset
setSeriesDataset(dataset);
}
/** JFreeChartオブジェクトを作成する */
private JFreeChart createChartObject(Document doc) {
Element root = doc.getDocumentElement();
Element chartInfo = (Element) root.getElementsByTagName("ChartInfo").item(0);
String chartTitle =
chartInfo.getElementsByTagName("Title").item(0).getFirstChild().getNodeValue();
this.chartType = chartInfo.getElementsByTagName("Type").item(0).getFirstChild().getNodeValue();
String categoryLabel =
((Element) chartInfo.getElementsByTagName("Category").item(0))
.getElementsByTagName("Label")
.item(0)
.getFirstChild()
.getNodeValue();
Element firstSeries =
(Element)
((Element) chartInfo.getElementsByTagName("SeriesList").item(0))
.getElementsByTagName("Series")
.item(0);
String firstSeriesLabel =
firstSeries.getElementsByTagName("Label").item(0).getFirstChild().getNodeValue();
// データセットのリストを取得
this.dataSetList = this.getDatasetList(doc);
// 棒チャート(Series数に関わらない)
if (this.chartType.equals("VerticalBar")
|| this.chartType.equals("HorizontalBar")
|| this.chartType.equals("VerticalMultiBar")
|| this.chartType.equals("HorizontalMultiBar")) {
chart =
ChartFactory.createBarChart(
chartTitle,
categoryLabel,
firstSeriesLabel,
(CategoryDataset) this.dataSetList.get(0),
getLayoutFromDoc(doc),
false,
false,
false);
}
// 3D棒チャート(Series数に関わらない)
else if (this.chartType.equals("Vertical3D_Bar")
|| this.chartType.equals("Horizontal3D_Bar")
|| this.chartType.equals("VerticalMulti3D_Bar")
|| this.chartType.equals("HorizontalMulti3D_Bar")) {
chart =
ChartFactory.createBarChart3D(
chartTitle,
categoryLabel,
firstSeriesLabel,
(CategoryDataset) this.dataSetList.get(0),
getLayoutFromDoc(doc),
false,
false,
false);
}
// 積み上げ棒チャート
else if ((this.chartType.equals("VerticalStackedBar"))
|| (this.chartType.equals("HorizontalStackedBar"))) {
chart =
ChartFactory.createStackedBarChart(
chartTitle,
categoryLabel,
firstSeriesLabel,
(CategoryDataset) this.dataSetList.get(0),
getLayoutFromDoc(doc),
false,
false,
false);
}
// 3D積み上げ棒チャート
else if ((this.chartType.equals("VerticalStacked3D_Bar"))
|| (this.chartType.equals("HorizontalStacked3D_Bar"))) {
chart =
ChartFactory.createStackedBarChart3D(
chartTitle,
categoryLabel,
firstSeriesLabel,
(CategoryDataset) this.dataSetList.get(0),
getLayoutFromDoc(doc),
false,
false,
false);
}
// 折れ線チャート(Series数に関わらない)
else if ((this.chartType.equals("Line")) || (this.chartType.equals("MultiLine"))) {
chart =
ChartFactory.createLineChart(
chartTitle,
categoryLabel,
firstSeriesLabel,
(CategoryDataset) this.dataSetList.get(0),
PlotOrientation.VERTICAL,
false,
false,
false);
}
// 面チャート(Series数に関わらない)
else if ((this.chartType.equals("Area")) || (this.chartType.equals("MultiArea"))) {
chart =
ChartFactory.createAreaChart(
chartTitle,
categoryLabel,
firstSeriesLabel,
(CategoryDataset) this.dataSetList.get(0),
PlotOrientation.VERTICAL,
false,
false,
false);
}
// 積み上げ面チャート
else if (this.chartType.equals("StackedArea")) {
chart =
ChartFactory.createStackedAreaChart(
chartTitle,
categoryLabel,
firstSeriesLabel,
(CategoryDataset) this.dataSetList.get(0),
PlotOrientation.VERTICAL,
false,
false,
false);
}
// 円チャート(Series数に関わらない)
else if (this.chartType.equals("Pie")) {
chart =
ChartFactory.createPieChart(
chartTitle, (PieDataset) this.dataSetList.get(0), false, false, false);
}
// 3D円チャート(Series数に関わらない)
else if (this.chartType.equals("Pie_3D")) {
chart =
ChartFactory.createPieChart3D(
chartTitle, (PieDataset) this.dataSetList.get(0), false, false, false);
}
// 複数円チャート(Series数が２以上)
else if (this.chartType.equals("MultiPie")) {
// 複数円チャート
chart =
ChartFactory.createMultiplePieChart(
chartTitle,
(CategoryDataset) this.dataSetList.get(0),
TableOrder.BY_ROW,
false,
false,
false);
}
return chart;
}