MouseEventChart.java
资源名称:OA.rar [点击查看]
上传用户:mingda
上传日期:2017-06-20
资源大小:27691k
文件大小:1k
源码类别:
OA系统
开发平台:
Java
- package cn.com.fcsoft.chart.examples;
- import cn.com.fcsoft.chart.*;
- import java.awt.*;
- import java.awt.event.*;
- /**
- * This example catches mouse motion events.
- * @author meiqi.
- */
- public class MouseEventChart extends BarChart implements MouseMotionListener {
- public void mouseMoved(MouseEvent e) {
- Point pos = new Point(e.getX(), e.getY());
- ChartSample bar = checkSelection(pos);
- if (bar != null) {
- System.out.println("mouse over bar: " + bar);
- }
- }
- public void mouseDragged(MouseEvent e) {
- Point pos = new Point(e.getX(), e.getY());
- ChartSample bar = checkSelection(pos);
- if (bar != null) {
- System.out.println("mouse dragged over bar: " + bar);
- }
- }
- public static void main(String[] argv) {
- // create the chart
- double[] values = new double[10];
- for (int i = 0; i < values.length; i++) {
- values[i] = Math.round(Math.random()*100);
- }
- MouseEventChart chart = new MouseEventChart();
- chart.setSampleCount(values.length);
- chart.setSampleValues(0, values);
- chart.setValueLinesOn(true);
- chart.addMouseMotionListener(chart);
- // display the chart
- Frame f = new Frame();
- f.add("Center", chart);
- f.setSize(400,300);
- f.show();
- }
- }