fastbutton.java

自己写的一个Java画图板程序 支持鼠标拖动图形 选中图形 改变颜色等 推荐使用Eclipse来运行

package project;

import java.awt.Color;
import java.awt.Dimension;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;


import javax.swing.Icon;


import javax.swing.JButton;

//自定义的按钮
//通过fastButtonGroup形成一个按钮组
//有一个按钮被按下时它会一直保持按下，并显示成按下的状态图标。而其他按钮则保持弹起，并显示成弹起的状态图标
public class FastButton extends JButton implements MouseListener{
	
	
	private static final long serialVersionUID = 1L;

	private Icon iconUp;
	
	private Icon iconDown; 
	
	private FastButtonGroup fastButtonGroup;
	
	
	
	public FastButton(Icon iconUp, Icon iconDown, FastButtonGroup fastButtonGroup)
	{
		super();
		
		this.iconUp = iconUp;
		this.iconDown = iconDown;
		this.fastButtonGroup = fastButtonGroup;
		
		
		(fastButtonGroup.getFastButtonAL()).add(this);
		
		
		
		
		
		setBorder(null);
		Color c = new Color(0xeeeeee);
		setBackground(c);
		
		
		setMaximumSize(new Dimension(26, 24));
		setPreferredSize(new Dimension(29, 24));
		
		
		
		setIcon(iconUp);
		
		addMouseListener(this);
	}

	//鼠标点击时，更改选定按钮
	public void mouseClicked(MouseEvent e) {
		
		fastButtonGroup.changeSelectedButton(this);
		
	}

	public void mouseEntered(MouseEvent e) {
		
	}

	public void mouseExited(MouseEvent e) {
		
	}

	public void mousePressed(MouseEvent e) {
		
	}

	public void mouseReleased(MouseEvent e) {
		
	}
	
	
	
	public Icon getIconUp()
	{
		return iconUp;
	}
	
	public Icon getIconDown()
	{
		return iconDown;
	}
	
	

	

}