?? chartfactory.java
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plot.setLabelGenerator(new StandardPieSectionLabelGenerator());
plot.setInsets(new RectangleInsets(0.0, 5.0, 5.0, 5.0));
if (tooltips) {
plot.setToolTipGenerator(
new StandardPieToolTipGenerator(
StandardPieToolTipGenerator.DEFAULT_SECTION_LABEL_FORMAT
)
);
}
if (urls) {
plot.setURLGenerator(new StandardPieURLGenerator());
}
List keys = dataset.getKeys();
DefaultPieDataset series = null;
if (showDifference) {
series = new DefaultPieDataset();
}
double colorPerPercent = 255.0 / percentDiffForMaxScale;
for (Iterator it = keys.iterator(); it.hasNext();) {
Comparable key = (Comparable) it.next();
Number newValue = dataset.getValue(key);
Number oldValue = previousDataset.getValue(key);
int section = dataset.getIndex(key);
if (oldValue == null) {
if (greenForIncrease) {
plot.setSectionPaint(section, Color.green);
}
else {
plot.setSectionPaint(section, Color.red);
}
if (showDifference) {
series.setValue(key + " (+100%)", newValue);
}
}
else {
double percentChange = (newValue.doubleValue()
/ oldValue.doubleValue() - 1.0) * 100.0;
double shade
= (Math.abs(percentChange) >= percentDiffForMaxScale ? 255
: Math.abs(percentChange) * colorPerPercent);
if (greenForIncrease
&& newValue.doubleValue() > oldValue.doubleValue()
|| !greenForIncrease && newValue.doubleValue()
< oldValue.doubleValue()) {
plot.setSectionPaint(section, new Color(0, (int) shade, 0));
}
else {
plot.setSectionPaint(section, new Color((int) shade, 0, 0));
}
if (showDifference) {
series.setValue(
key + " (" + (percentChange >= 0 ? "+" : "")
+ NumberFormat.getPercentInstance().format(
percentChange / 100.0) + ")", newValue
);
}
}
}
if (showDifference) {
plot.setDataset(series);
}
JFreeChart chart = new JFreeChart(
title, JFreeChart.DEFAULT_TITLE_FONT, plot, legend
);
if (subTitle) {
TextTitle subtitle = null;
subtitle = new TextTitle(
"Bright " + (greenForIncrease ? "red" : "green")
+ "=change >=-" + percentDiffForMaxScale + "%, Bright "
+ (!greenForIncrease ? "red" : "green") + "=change >=+"
+ percentDiffForMaxScale + "%",
new Font("SansSerif", Font.PLAIN, 10)
);
chart.addSubtitle(subtitle);
}
return chart;
}
/**
* Creates a ring chart with default settings.
* <P>
* The chart object returned by this method uses a {@link RingPlot}
* instance as the plot.
*
* @param title the chart title (<code>null</code> permitted).
* @param dataset the dataset for the chart (<code>null</code> permitted).
* @param legend a flag specifying whether or not a legend is required.
* @param tooltips configure chart to generate tool tips?
* @param urls configure chart to generate URLs?
*
* @return A pie chart.
*/
public static JFreeChart createRingChart(String title,
PieDataset dataset,
boolean legend,
boolean tooltips,
boolean urls) {
RingPlot plot = new RingPlot(dataset);
plot.setLabelGenerator(new StandardPieSectionLabelGenerator());
plot.setInsets(new RectangleInsets(0.0, 5.0, 5.0, 5.0));
if (tooltips) {
plot.setToolTipGenerator(
new StandardPieToolTipGenerator(
StandardPieToolTipGenerator.DEFAULT_SECTION_LABEL_FORMAT
)
);
}
if (urls) {
plot.setURLGenerator(new StandardPieURLGenerator());
}
return new JFreeChart(
title, JFreeChart.DEFAULT_TITLE_FONT, plot, legend
);
}
/**
* Creates a chart that displays multiple pie plots. The chart object
* returned by this method uses a {@link MultiplePiePlot} instance as the
* plot.
*
* @param title the chart title (<code>null</code> permitted).
* @param dataset the dataset (<code>null</code> permitted).
* @param order the order that the data is extracted (by row or by column)
* (<code>null</code> not permitted).
* @param legend include a legend?
* @param tooltips generate tooltips?
* @param urls generate URLs?
*
* @return A chart.
*/
public static JFreeChart createMultiplePieChart(String title,
CategoryDataset dataset,
TableOrder order,
boolean legend,
boolean tooltips,
boolean urls) {
if (order == null) {
throw new IllegalArgumentException("Null 'order' argument.");
}
MultiplePiePlot plot = new MultiplePiePlot(dataset);
plot.setDataExtractOrder(order);
plot.setBackgroundPaint(null);
plot.setOutlineStroke(null);
if (tooltips) {
PieToolTipGenerator tooltipGenerator
= new StandardPieToolTipGenerator();
PiePlot pp = (PiePlot) plot.getPieChart().getPlot();
pp.setToolTipGenerator(tooltipGenerator);
}
if (urls) {
PieURLGenerator urlGenerator = new StandardPieURLGenerator();
PiePlot pp = (PiePlot) plot.getPieChart().getPlot();
pp.setURLGenerator(urlGenerator);
}
JFreeChart chart = new JFreeChart(
title, JFreeChart.DEFAULT_TITLE_FONT, plot, legend
);
return chart;
}
/**
* Creates a 3D pie chart using the specified dataset. The chart object
* returned by this method uses a {@link PiePlot3D} instance as the
* plot.
*
* @param title the chart title (<code>null</code> permitted).
* @param dataset the dataset for the chart (<code>null</code> permitted).
* @param legend a flag specifying whether or not a legend is required.
* @param tooltips configure chart to generate tool tips?
* @param urls configure chart to generate URLs?
*
* @return A pie chart.
*/
public static JFreeChart createPieChart3D(String title,
PieDataset dataset,
boolean legend,
boolean tooltips,
boolean urls) {
PiePlot3D plot = new PiePlot3D(dataset);
plot.setInsets(new RectangleInsets(0.0, 5.0, 5.0, 5.0));
if (tooltips) {
plot.setToolTipGenerator(new StandardPieToolTipGenerator());
}
if (urls) {
plot.setURLGenerator(new StandardPieURLGenerator());
}
return new JFreeChart(
title, JFreeChart.DEFAULT_TITLE_FONT, plot, legend
);
}
/**
* Creates a chart that displays multiple pie plots. The chart object
* returned by this method uses a {@link MultiplePiePlot} instance as the
* plot.
*
* @param title the chart title (<code>null</code> permitted).
* @param dataset the dataset (<code>null</code> permitted).
* @param order the order that the data is extracted (by row or by column)
* (<code>null</code> not permitted).
* @param legend include a legend?
* @param tooltips generate tooltips?
* @param urls generate URLs?
*
* @return A chart.
*/
public static JFreeChart createMultiplePieChart3D(String title,
CategoryDataset dataset,
TableOrder order,
boolean legend,
boolean tooltips,
boolean urls) {
if (order == null) {
throw new IllegalArgumentException("Null 'order' argument.");
}
MultiplePiePlot plot = new MultiplePiePlot(dataset);
plot.setDataExtractOrder(order);
plot.setBackgroundPaint(null);
plot.setOutlineStroke(null);
JFreeChart pieChart = new JFreeChart(new PiePlot3D(null));
TextTitle seriesTitle = new TextTitle(
"Series Title", new Font("SansSerif", Font.BOLD, 12)
);
seriesTitle.setPosition(RectangleEdge.BOTTOM);
pieChart.setTitle(seriesTitle);
pieChart.removeLegend();
pieChart.setBackgroundPaint(null);
plot.setPieChart(pieChart);
if (tooltips) {
PieToolTipGenerator tooltipGenerator
= new StandardPieToolTipGenerator();
PiePlot pp = (PiePlot) plot.getPieChart().getPlot();
pp.setToolTipGenerator(tooltipGenerator);
}
if (urls) {
PieURLGenerator urlGenerator = new StandardPieURLGenerator();
PiePlot pp = (PiePlot) plot.getPieChart().getPlot();
pp.setURLGenerator(urlGenerator);
}
JFreeChart chart = new JFreeChart(
title, JFreeChart.DEFAULT_TITLE_FONT, plot, legend
);
return chart;
}
/**
* Creates a bar chart. The chart object returned by this method uses a
* {@link CategoryPlot} instance as the plot, with a {@link CategoryAxis}
* for the domain axis, a {@link NumberAxis} as the range axis, and a
* {@link BarRenderer} as the renderer.
*
* @param title the chart title (<code>null</code> permitted).
* @param categoryAxisLabel the label for the category axis
* (<code>null</code> permitted).
* @param valueAxisLabel the label for the value axis
* (<code>null</code> permitted).
* @param dataset the dataset for the chart (<code>null</code> permitted).
* @param orientation the plot orientation (horizontal or vertical)
* (<code>null</code> not permitted).
* @param legend a flag specifying whether or not a legend is required.
* @param tooltips configure chart to generate tool tips?
* @param urls configure chart to generate URLs?
*
* @return A bar chart.
*/
public static JFreeChart createBarChart(String title,
String categoryAxisLabel,
String valueAxisLabel,
CategoryDataset dataset,
PlotOrientation orientation,
boolean legend,
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