?? mouselistenerdemo3.java
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/* -----------------------
* MouseListenerDemo3.java
* -----------------------
* (C) Copyright 2003-2006, by Object Refinery Limited.
*
*/
package demo;
import java.awt.BasicStroke;
import java.text.SimpleDateFormat;
import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartMouseEvent;
import org.jfree.chart.ChartMouseListener;
import org.jfree.chart.ChartPanel;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.axis.DateAxis;
import org.jfree.chart.entity.ChartEntity;
import org.jfree.chart.entity.LegendItemEntity;
import org.jfree.chart.plot.XYPlot;
import org.jfree.chart.renderer.xy.XYItemRenderer;
import org.jfree.chart.title.TextTitle;
import org.jfree.data.time.Month;
import org.jfree.data.time.TimePeriodAnchor;
import org.jfree.data.time.TimeSeries;
import org.jfree.data.time.TimeSeriesCollection;
import org.jfree.data.xy.XYDataset;
import org.jfree.ui.ApplicationFrame;
import org.jfree.ui.RefineryUtilities;
/**
* An example showing how to pick up mouse clicks on the chart legend.
*/
public class MouseListenerDemo3 extends ApplicationFrame
implements ChartMouseListener {
private JFreeChart chart;
/**
* A demonstration application showing how to pick up mouse clicks on the
* legend.
*
* @param title the frame title.
*/
public MouseListenerDemo3(String title) {
super(title);
// create a title...
String chartTitle = "Legal & General Unit Trust Prices";
XYDataset dataset = createDataset();
this.chart = ChartFactory.createTimeSeriesChart(chartTitle,
"Date", "Price Per Unit", dataset, true, true, false);
this.chart.addSubtitle(new TextTitle(
"Click on the legend to see series highlighted..."));
XYPlot plot = (XYPlot) this.chart.getPlot();
DateAxis axis = (DateAxis) plot.getDomainAxis();
axis.setDateFormatOverride(new SimpleDateFormat("MMM-yyyy"));
ChartPanel chartPanel = new ChartPanel(this.chart);
chartPanel.setPreferredSize(new java.awt.Dimension(500, 270));
chartPanel.setMouseZoomable(true, false);
chartPanel.addChartMouseListener(this);
setContentPane(chartPanel);
}
/**
* Creates a dataset, consisting of two series of monthly data.
*
* @return the dataset.
*/
public XYDataset createDataset() {
TimeSeries s1 = new TimeSeries("L&G European Index Trust", Month.class);
s1.add(new Month(2, 2001), 181.8);
s1.add(new Month(3, 2001), 167.3);
s1.add(new Month(4, 2001), 153.8);
s1.add(new Month(5, 2001), 167.6);
s1.add(new Month(6, 2001), 158.8);
s1.add(new Month(7, 2001), 148.3);
s1.add(new Month(8, 2001), 153.9);
s1.add(new Month(9, 2001), 142.7);
s1.add(new Month(10, 2001), 123.2);
s1.add(new Month(11, 2001), 131.8);
s1.add(new Month(12, 2001), 139.6);
s1.add(new Month(1, 2002), 142.9);
s1.add(new Month(2, 2002), 138.7);
s1.add(new Month(3, 2002), 137.3);
s1.add(new Month(4, 2002), 143.9);
s1.add(new Month(5, 2002), 139.8);
s1.add(new Month(6, 2002), 137.0);
s1.add(new Month(7, 2002), 132.8);
TimeSeries s2 = new TimeSeries("L&G UK Index Trust", Month.class);
s2.add(new Month(2, 2001), 129.6);
s2.add(new Month(3, 2001), 123.2);
s2.add(new Month(4, 2001), 117.2);
s2.add(new Month(5, 2001), 124.1);
s2.add(new Month(6, 2001), 122.6);
s2.add(new Month(7, 2001), 119.2);
s2.add(new Month(8, 2001), 116.5);
s2.add(new Month(9, 2001), 112.7);
s2.add(new Month(10, 2001), 101.5);
s2.add(new Month(11, 2001), 106.1);
s2.add(new Month(12, 2001), 110.3);
s2.add(new Month(1, 2002), 111.7);
s2.add(new Month(2, 2002), 111.0);
s2.add(new Month(3, 2002), 109.6);
s2.add(new Month(4, 2002), 113.2);
s2.add(new Month(5, 2002), 111.6);
s2.add(new Month(6, 2002), 108.8);
s2.add(new Month(7, 2002), 101.6);
TimeSeriesCollection dataset = new TimeSeriesCollection();
dataset.addSeries(s1);
dataset.addSeries(s2);
dataset.setXPosition(TimePeriodAnchor.MIDDLE);
return dataset;
}
/**
* Receives chart mouse click events.
*
* @param event the event.
*/
public void chartMouseClicked(ChartMouseEvent event) {
ChartEntity e = event.getEntity();
if (e != null) {
if (e instanceof LegendItemEntity) {
LegendItemEntity entity = (LegendItemEntity) e;
int seriesIndex = entity.getSeriesIndex();
XYPlot plot = this.chart.getXYPlot();
XYItemRenderer renderer = plot.getRenderer();
for (int i=0; i < plot.getDataset().getSeriesCount(); i++) {
renderer.setSeriesStroke(i, new BasicStroke(1.0f));
if (i == seriesIndex) {
renderer.setSeriesStroke(i, new BasicStroke(2.0f));
}
}
}
}
}
/**
* Receives chart mouse moved events.
*
* @param event the event.
*/
public void chartMouseMoved(ChartMouseEvent event) {
// ignore
}
/**
* Starting point for the demonstration application.
*
* @param args ignored.
*/
public static void main(String[] args) {
MouseListenerDemo3 demo = new MouseListenerDemo3(
"Mouse Listener Demo 3");
demo.pack();
RefineryUtilities.centerFrameOnScreen(demo);
demo.setVisible(true);
}
}
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