/**
 * @(#)ViewSourceFrame.java
 *
 *
 * @author 
 * @version 1.00 2008/10/28
 */

import java.awt.*;
import javax.swing.*;
import java.awt.event.*;
import javax.swing.event.*;
import javax.swing.border.*;
import javax.swing.filechooser.FileFilter;
import javax.swing.filechooser.FileView;
import java.io.*;
import java.util.*;
class ViewSourceFrame extends JFrame implements ActionListener{

	JPanel contentPane;
	JPanel panel1=new JPanel();
	JPanel panel2=new JPanel();
	Border border1;
	
	JButton closebutton=new JButton();
	JButton savebutton=new JButton();
	JScrollPane jScrollPanel=new JScrollPane();
	JTextArea jTextArea1=new JTextArea();
	
	String htmlSource;
	/**
	 *构造函数,初始化图形用户界面
	 */

    public ViewSourceFrame(String htmlSource) {
    	this.htmlSource=htmlSource;
    	enableEvents(AWTEvent.WINDOW_EVENT_MASK);
    	setSize(new Dimension(600,500));
    	setTitle("源代码");
    	setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
    	
    	contentPane=(JPanel)getContentPane();
    	contentPane.setLayout(new BorderLayout());
    	
    	panel2.setLayout(new FlowLayout());
    	
    	savebutton.setText("保存");
    	closebutton.setText("退出");
    	
    	closebutton.addActionListener(this);
    	savebutton.addActionListener(this);
    	
    	jScrollPanel.getViewport().add(jTextArea1,null);
    	border1=BorderFactory.createEmptyBorder(4,4,4,4);
    	panel1.setLayout(new BorderLayout());
    	panel1.setBorder(border1);
    	panel1.add(jScrollPanel,BorderLayout.CENTER);
    	contentPane.add(panel1,BorderLayout.CENTER);
    	
    	panel2.add(savebutton);
    	panel2.add(closebutton);
    	
    	contentPane.add(panel2,BorderLayout.SOUTH);
    	this.jTextArea1.setEditable(true);
    	this.jTextArea1.setText(this.htmlSource);
    	//设置光标的位置,将其移动文本区第0个字符
    	this.jTextArea1.setCaretPosition(0);
    }
    /**
     *实现监听器接口的Actionperformed方法
     */
     public void actionPerformed(ActionEvent e){
     	String url="";
     	if(e.getSource()==closebutton){
     		dispose();
     	}
     	else if(e.getSource()==savebutton){
     
     		JFileChooser fc=new JFileChooser();
     		int returnVal=fc.showSaveDialog(ViewSourceFrame.this);
     		File saveFile=fc.getSelectedFile();
     		try{
     			FileWriter writeOut=new FileWriter(saveFile);
     			writeOut.write(jTextArea1.getText());
     			writeOut.close();
     		}
     		catch(IOException ex){
     			System.out.println("保存失败");
     		}
     	}
    
     }
}