sliderwithtooltipexample.java

来自「tame,扩展了好多SWing组件:JTable」· Java 代码 · 共 62 行

/* (swing1.1.1) */
package tame.examples;

import java.awt.FlowLayout;
import java.awt.Point;
import java.awt.Rectangle;
import java.awt.event.MouseEvent;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;

import javax.swing.JFrame;
import javax.swing.JSlider;

/**
@author Nobuo Tamemasa
@version 1.0 10/4/99
*/
public class SliderWithToolTipExample extends JFrame {
  public SliderWithToolTipExample() {
    super("Mad Level");

    JSlider s = new JSlider(JSlider.VERTICAL, 0, 120, 60) {
      String[] tooltips = {"Call 911",
                           "Seeing red",
                           "Really mad",
                           "Ticked off",
                           "Slightly peeved",
                           "Oh bother",
                           "Feel good"};

      public String getToolTipText(MouseEvent e) {
        Point p = e.getPoint();
        Rectangle rect = new Rectangle();
        rect = getBounds(rect);
        int n = getLabelTable().size();
        int index = n * p.y / rect.height;
        return tooltips[index];
      }
    };

    s.setPaintTicks(true);
    s.setMajorTickSpacing(20);
    s.setPaintLabels( true );
    s.putClientProperty( "JSlider.isFilled", Boolean.TRUE );

    s.setToolTipText("");

    getContentPane().setLayout(new FlowLayout());
    getContentPane().add(s);
  }

  public static void main (String args[]) {
    SliderWithToolTipExample f = new SliderWithToolTipExample();
    f.addWindowListener(new WindowAdapter() {
      public void windowClosing(WindowEvent e) {
	System.exit(0);
      }
    });
    f.setSize (120, 250);
    f.show();
  }
}