adapteruse.java

来自「JAVA编程思想源代码 值得一下 很难找的」· Java 代码 · 共 50 行

package chapter11;

import java.applet.Applet;
import java.awt.GridLayout;
import java.awt.Label;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.event.MouseMotionAdapter;

public class AdapterUse extends Applet {
	private Label lb = new Label();

	public void init() {
		setLayout(new GridLayout(3, 3));
		add(lb);

		addMouseListener(new MyMouseAdapter(this));
		addMouseMotionListener(new MyMouseMotionAdapter(this));

	}

	class MyMouseMotionAdapter extends MouseMotionAdapter {
		AdapterUse adapterDemo;

		public MyMouseMotionAdapter(AdapterUse adapterDemo) {
			this.adapterDemo = adapterDemo;

		}

		public void mouseDragged(MouseEvent me) {
			adapterDemo.showStatus("Mouse dragged");
			lb.setText("Mouse dragged");
		}
	}

	class MyMouseAdapter extends MouseAdapter {
		AdapterUse adapterDemo;

		public MyMouseAdapter(AdapterUse adapterDemo) {
			this.adapterDemo = adapterDemo;

		}

		public void mouseClicked(MouseEvent me) {
			adapterDemo.showStatus("Mouse clicked");
			lb.setText("Mouse clicked");
		}
	}
}