日期:2014-05-20 浏览次数:20932 次
import java.awt.Dimension;
import java.awt.Point;
import java.awt.geom.Point2D;
import java.awt.geom.Rectangle2D;
import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartMouseEvent;
import org.jfree.chart.ChartMouseListener;
import org.jfree.chart.ChartPanel;
import org.jfree.chart.ChartRenderingInfo;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.axis.ValueAxis;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.chart.plot.XYPlot;
import org.jfree.data.xy.XYDataset;
import org.jfree.data.xy.XYSeries;
import org.jfree.data.xy.XYSeriesCollection;
import org.jfree.ui.ApplicationFrame;
import org.jfree.ui.RectangleEdge;
import org.jfree.ui.RefineryUtilities;
public class MouseListenerDemo extends ApplicationFrame implements ChartMouseListener{
/**
*
*/
private static final long serialVersionUID = 1L;
private JFreeChart chart;
private ChartPanel chartPanel;
public MouseListenerDemo(String paramString){
super(paramString);
String applicationTitle = "Mouse Listener Demo";
XYDataset xyDataset = createDataset();
this.chart = ChartFactory.createXYLineChart(applicationTitle, "X", "Y", xyDataset,
PlotOrientation.VERTICAL, true, true, false);
this.chartPanel = new ChartPanel(this.chart);
this.chartPanel.setPreferredSize(new Dimension(700, 450));
this.chartPanel.setMouseZoomable(true, false);
this.chartPanel.addChartMouseListener(this);
setContentPane(this.chartPanel);
}
public XYDataset createDataset(){
XYSeries xySeries = new XYSeries("Series 1");
xySeries.add(12.0D, 10.0D);
xySeries.add(13.0D, 15.0D);
xySeries.add(14.0D, 16.0D);
xySeries.add(15.5D, 17.0D);
xySeries.add(17.0D, 20.0D);
xySeries.add(18.0D, 18.0D);
xySeries.add(19.0D, 16.0D);
xySeries.add(20.0D, 15.0D);
XYSeriesCollection xySeriesCollection = new XYSeriesCollection();
xySeriesCollection.addSeries(xySeries);
return xySeriesCollection;
}
public void chartMouseClicked(ChartMouseEvent paramChartMouseEvent){
int xPos = paramChartMouseEvent.getTrigger().getX();
int yPos = paramChartMouseEvent.getTrigger().getY();
System.out.println("x = " + xPos + ", y = " + yPos);
Point2D point2D = this.chartPanel.translateScreenToJava2D(new Point(xPos, yPos));
XYPlot xyPlot = (XYPlot)this.chart.getPlot();
ChartRenderingInfo chartRenderingInfo = this.chartPanel.getChartRenderingInfo();
Rectangle2D rectangle2D = chartRenderingInfo.getPlotInfo().getDataArea();
ValueAxis valueAxis1 = xyPlot.getDomainAxis();
RectangleEdge rectangleEdge1 = xyPlot.getDomainAxisEdge();
ValueAxis valueAxis2 = xyPlot.getRangeAxis();
RectangleEdge rectangleEdge2 = xyPlot.getRangeAxisEdge();
double d1 = valueAxis1.java2DToValue(point2D.getX(), rectangle2D, rectangleEdge1);
double d2 = valueAxis2.java2DToValue(point2D.getY(), rectangle2D, rectangleEdge2);
System.out.println("Chart: x = " + d1 + ", y = " + d2);
}
public void chartMouseMoved(ChartMouseEvent paramChartMouseEvent){
}
public static void main(String[] paramArrayOfString){
MouseListenerDemo localMouseListenerDemo = new MouseListenerDemo("JFreeChart: MouseListenerDemo.java");
localMouseListenerDemo.pack();
RefineryUtilities.centerFrameOnScreen(localMouseListenerDemo);
localMouseListenerDemo.setVisible(true);
}
}