tools.java

一个画图程序 初学：）

import java.awt.*;
import javax.swing.*;
import java.awt.event.*;
import java.io.*;


class tools 
{
	JPanel oButtons;
	JPanel cButtons;
	JPanel tButtons;
		
	JButton o1;
	JButton o2;	
	
	JButton c1;
	JButton c2;
	JButton c3;
	
	JButton save;
	JButton open;
	
		
	void createOButtons() 
	{
		oButtons=new JPanel();
		oButtons.setLayout(new FlowLayout());
		
		
		o1=new JButton("Line");
		o2=new JButton("Rectangle");
		
		oButtons.add(o1);
		oButtons.add(o2);
		
		
		o1.addActionListener(new handler());
		o2.addActionListener(new handler());
	}
	
	
	void createCButtons() 
	{
		cButtons=new JPanel();
		cButtons.setLayout(new FlowLayout());
		
		
		c1=new JButton("Red");
		c2=new JButton("Blue");
		c3=new JButton("Black");
		
		cButtons.add(c1);
		cButtons.add(c2);
		cButtons.add(c3);
				
		
		c1.addActionListener(new handler());
		c2.addActionListener(new handler());
		c3.addActionListener(new handler());
	}
	
	
	void createTButtons()
	{
		tButtons=new JPanel();
		tButtons.setLayout(new FlowLayout());
				
		
		save=new JButton("Save");
		open=new JButton("Open");
		
		tButtons.add(save);
		tButtons.add(open);
		
		
		save.addActionListener(new handler());
		open.addActionListener(new handler());
	}
	
	
	void addButtons(window w) 
	{
		JPanel toolBar1=new JPanel();
		toolBar1.setLayout(new FlowLayout());
		
		createOButtons();
	    toolBar1.add(oButtons);
		
		createCButtons();
		toolBar1.add(cButtons);
		
		
		JPanel toolBar2=new JPanel();
		toolBar2.setLayout(new FlowLayout());
		
		createTButtons();
		toolBar2.add(tButtons);
	
		
		w.content.add(toolBar1);
		w.content.add(toolBar2);
		
		
	}
	
	/*****************************************************************************************************************/
	
	class handler implements ActionListener 
	{
		public void actionPerformed(ActionEvent e) 
		{
			if(e.getSource()==o1)
			painting.object="Line";
						
			if(e.getSource()==o2)
			painting.object="Rectangle";
						
			if(e.getSource()==c1)
			painting.color=Color.red;
						
			if(e.getSource()==c2)
			painting.color=Color.blue;
						
			if(e.getSource()==c3)
			painting.color=Color.black;
			
			if(e.getSource()==save)
			{
				fileOperation fOperation=new fileOperation();
				
				fOperation.output();
			}
			
			if(e.getSource()==open)
			{
				fileOperation fOperation=new fileOperation();
				
				fOperation.input();
				painting.p.repaint();
			}
		}
	}
}