mymouselistener.java

java实现pplive

package com.moveShape;

import java.awt.Color;
import java.awt.Point;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.awt.event.MouseMotionListener;
import java.util.ArrayList;

import javax.swing.JOptionPane;
import javax.swing.JPanel;

public class MyMouseListener implements MouseListener,MouseMotionListener
{

	
	private DrawPanel myPanel;
	
	private ArrayList<Shape> shapes; 
	
	
	public MyMouseListener(JPanel Panel)
	{
		this.myPanel=(DrawPanel)Panel;
		this.shapes=myPanel.getShapes();
	}
	
	public void mouseClicked(MouseEvent arg0) 
	{
		// TODO Auto-generated method stub
		Point clickPoint=arg0.getPoint();
		int beClickedNum=0;
		for(Shape shape: shapes)
		{
			if(shape.isInside(clickPoint))
			{
				beClickedNum++;
			}
		}
		
		//change the style
		
		
		
		if(beClickedNum>0)
		{
			//get the color
			String colorName=JOptionPane.showInputDialog(null,"Enter the number : \n 1 for black \n 2 for yellow \n","change color",
					JOptionPane.QUESTION_MESSAGE);
			
			for(Shape shape: shapes)
			{			
				if(colorName!=null)
				{
					if((colorName.trim()).equals("1"))
					{
						shape.changeColor(Color.black,"black");
					}
					else if((colorName.trim()).equals("2"))
					{
						shape.changeColor(Color.yellow,"yellow");
					}
				}
				
				
			}
			myPanel.repaint();
		}
		
		
	}

	public void mouseEntered(MouseEvent arg0) {
		// TODO Auto-generated method stub
		
	}

	public void mouseExited(MouseEvent arg0) {
		// TODO Auto-generated method stub
		
	}

	public void mousePressed(MouseEvent arg0) 
	{
		// TODO Auto-generated method stub
		Point source=arg0.getPoint();
		for(Shape shape: shapes)
		{
			
			shape.isInside(source);
		}
	}

	public void mouseReleased(MouseEvent arg0) {
		// TODO Auto-generated method stub
		
	}

	public void mouseDragged(MouseEvent arg0) {
		// TODO Auto-generated method stub
		

		Point destination=arg0.getPoint();
		
		
		for(Shape shape: shapes)
		{
			shape.move(destination);
			
			myPanel.repaint();
			
			
		}
		
	}

	public void mouseMoved(MouseEvent arg0) {
		// TODO Auto-generated method stub
		
	}

}