fancontrolpanel.java

applet风扇小程序

package com.test;

import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.JButton;
import javax.swing.JPanel;
import javax.swing.JSlider;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;

public class FancontrolPanel extends JPanel {

	/**
	 * 
	 */
	private static final long serialVersionUID = 1L;

	private JButton startBut;
	private JButton stopBut;
	private JButton reverseBut;
	private JSlider slider;

	public FancontrolPanel() {
		startBut = new JButton("start");
		stopBut = new JButton("stop");
		reverseBut = new JButton("reverse");
		slider = new JSlider();
		slider.setMaximum(150);
		slider.setMinimum(1);
		GridBagLayout gbl = new GridBagLayout();
		GridBagConstraints c = new GridBagConstraints();
		c.fill = GridBagConstraints.BOTH;
		this.setLayout(gbl);
		c.weightx = 1.0;
		gbl.setConstraints(startBut, c);
		gbl.setConstraints(stopBut, c);
		c.gridwidth = GridBagConstraints.REMAINDER;
		gbl.setConstraints(reverseBut, c);
		c.weightx = 0.0;
		gbl.setConstraints(slider, c);

		startBut.addActionListener(new StartBut_actionAdapter(this));
		stopBut.addActionListener(new StopBut_actionAdapter(this));
		reverseBut.addActionListener(new ReverseBut_actionAdapter(this));
		slider.addChangeListener(new JSlider_changeAdapter(this));

		this.add(startBut);
		this.add(stopBut);
		this.add(reverseBut);
		this.add(slider);
	}

	public void startBut_actionPerformed(ActionEvent e) {
		if (FanApplet.round == false) {
			FanApplet.round = true;

		}
	}

	public void stopBut_actionPerformed(ActionEvent e) {
		if (FanApplet.round == true) {
			FanApplet.round = false;

		}
	}

	public void reverseBut_actionPerformed(ActionEvent e) {

		FanApplet.right = !FanApplet.right;
	}

	public void jslider_stateChanged(ChangeEvent e) {
		FanApplet.su = slider.getValue();

	}

}

class StartBut_actionAdapter implements ActionListener {
	private FancontrolPanel adaptee;

	StartBut_actionAdapter(FancontrolPanel adaptee) {
		this.adaptee = adaptee;
	}

	public void actionPerformed(ActionEvent e) {
		adaptee.startBut_actionPerformed(e);
	}
}

class StopBut_actionAdapter implements ActionListener {
	private FancontrolPanel adaptee;

	StopBut_actionAdapter(FancontrolPanel adaptee) {
		this.adaptee = adaptee;
	}

	public void actionPerformed(ActionEvent e) {
		adaptee.stopBut_actionPerformed(e);
	}
}

class ReverseBut_actionAdapter implements ActionListener {
	private FancontrolPanel adaptee;

	ReverseBut_actionAdapter(FancontrolPanel adaptee) {
		this.adaptee = adaptee;
	}

	public void actionPerformed(ActionEvent e) {
		adaptee.reverseBut_actionPerformed(e);
	}
}

class JSlider_changeAdapter implements ChangeListener {
	private FancontrolPanel adaptee;

	JSlider_changeAdapter(FancontrolPanel adaptee) {
		this.adaptee = adaptee;
	}

	public void stateChanged(ChangeEvent e) {
		adaptee.jslider_stateChanged(e);
	}
}