import java.awt.*;
import java.awt.event.*;
import java.awt.geom.*;
import java.util.*;
import javax.swing.*;
import javax.swing.border.*;

/**
 * Description:
 * <br/>Copyright (C), 2005-2008, Yeeku.H.Lee
 * <br/>This program is protected by copyright laws.
 * <br/>Program Name:
 * <br/>Date:
 * @author  Yeeku.H.Lee kongyeeku@163.com
 * @version  1.0
 */

public class TestJOptionPane
{
	JFrame jf = new JFrame("測試JOptionPane");
	//分別定義6個面板用于定義對話框的幾種選項
	private ButtonPanel messagePanel;
	private ButtonPanel messageTypePanel;
	private ButtonPanel msgPanel;
	private ButtonPanel confirmPanel;
	private ButtonPanel optionsPanel;
	private ButtonPanel inputPanel;
	private String messageString = "消息區內容";
	private Icon messageIcon = new ImageIcon("ico/heart.png");
	private Object messageObject = new Date();
	private Component messageComponent = new JButton("組件消息");
	private JButton msgBn = new JButton("消息對話框");
	private JButton confrimBn = new JButton("確認對話框");
	private JButton inputBn = new JButton("輸入對話框");
	private JButton optionBn = new JButton("選項對話框");

	public void init()
	{
		JPanel top = new JPanel();
		top.setBorder(new TitledBorder(new EtchedBorder(), "對話框的通用選項" , 
			TitledBorder.CENTER ,TitledBorder.TOP ));
		top.setLayout(new GridLayout(1 , 2));
		//消息類型Panel，該Panel中的選項決定對話框的圖標
		messageTypePanel = new ButtonPanel("選擇消息的類型", 
			new String[]{"ERROR_MESSAGE", "INFORMATION_MESSAGE", "WARNING_MESSAGE", 
			"QUESTION_MESSAGE",	"PLAIN_MESSAGE" });
		//消息內容類型的Panel，該Panel中的選項決定對話框的消息區的內容
		messagePanel = new ButtonPanel("選擇消息內容的類型", 
			new String[]{"字符串消息", "圖標消息", "組件消息",	"普通對象消息" , "Object[]消息"});
		top.add(messageTypePanel);
		top.add(messagePanel);
		JPanel bottom = new JPanel();
		bottom.setBorder(new TitledBorder(new EtchedBorder(), "彈出不同的對話框" , 
			TitledBorder.CENTER ,TitledBorder.TOP));
		bottom.setLayout(new GridLayout(1 , 4));
		//創建用于彈出消息對話框的Panel
		msgPanel = new ButtonPanel("消息對話框", null);
		msgBn.addActionListener(new ShowAction());
		msgPanel.add(msgBn);
		//創建用于彈出確認對話框的Panel
		confirmPanel = new ButtonPanel("確認對話框", 
			new String[]{"DEFAULT_OPTION", "YES_NO_OPTION", "YES_NO_CANCEL_OPTION",
			"OK_CANCEL_OPTION"});
		confrimBn.addActionListener(new ShowAction());
		confirmPanel.add(confrimBn);
		//創建用于彈出輸入對話框的Panel
		inputPanel = new ButtonPanel("輸入對話框",
			new String[]{"單行文本框","下拉列表選擇框"});
		inputBn.addActionListener(new ShowAction());
		inputPanel.add(inputBn);
		//創建用于彈出選項對話框的Panel
		optionsPanel = new ButtonPanel("選項對話框", 
			new String[]{"字符串選項", "圖標選項", "對象選項"});
		optionBn.addActionListener(new ShowAction());
		optionsPanel.add(optionBn);
		bottom.add(msgPanel);
		bottom.add(confirmPanel);
		bottom.add(inputPanel);
		bottom.add(optionsPanel);
		Box box = new Box(BoxLayout.Y_AXIS);
		box.add(top);
		box.add(bottom);
		jf.add(box);
		jf.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		jf.pack();
		jf.setVisible(true);
	}
	//根據用戶選擇返回選項類型
	private int getOptionType()
	{
		if (confirmPanel.getSelection().equals("DEFAULT_OPTION"))
			return JOptionPane.DEFAULT_OPTION;
		else if (confirmPanel.getSelection().equals("YES_NO_OPTION"))
			return JOptionPane.YES_NO_OPTION;
		else if (confirmPanel.getSelection().equals("YES_NO_CANCEL_OPTION"))
			return JOptionPane.YES_NO_CANCEL_OPTION;
		else
			return JOptionPane.OK_CANCEL_OPTION;
	}
	//根據用戶選擇返回消息
	private Object getMessage()
	{
		if (messagePanel.getSelection().equals("字符串消息"))
			return messageString;
		else if (messagePanel.getSelection().equals("圖標消息"))
			return messageIcon;
		else if (messagePanel.getSelection().equals("組件消息"))
			return messageComponent;
		else if(messagePanel.getSelection().equals("普通對象消息"))
			return messageObject;
		else
			return  new Object[]{messageString , messageIcon , 
				messageObject , messageComponent};
	}
	//根據用戶選擇返回消息類型（決定圖標區的圖標）
	private int getDialogType()
	{
		if (messageTypePanel.getSelection().equals("ERROR_MESSAGE"))
			return JOptionPane.ERROR_MESSAGE;
		else if (messageTypePanel.getSelection().equals("INFORMATION_MESSAGE"))
			return JOptionPane.INFORMATION_MESSAGE;
		else if (messageTypePanel.getSelection().equals("WARNING_MESSAGE"))
			return JOptionPane.WARNING_MESSAGE;
		else if(messageTypePanel.getSelection().equals("QUESTION_MESSAGE"))
			return JOptionPane.QUESTION_MESSAGE;
		else
			return JOptionPane.PLAIN_MESSAGE;
	}
	private Object[] getOptions()
	{
		if (optionsPanel.getSelection().equals("字符串選項"))
			return new String[]{"a" , "b" , "c" , "d"};
		else if (optionsPanel.getSelection().equals("圖標選項"))
			return new Icon[]{new ImageIcon("ico/1.gif") , new ImageIcon("ico/2.gif"),
			new ImageIcon("ico/3.gif"),new ImageIcon("ico/4.gif")};
		else
			return new Object[]{new Date() ,new Date() , new Date()};
	}

	//為各按鈕定義事件監聽器
	private class ShowAction implements ActionListener
	{
		public void actionPerformed(ActionEvent event)
		{  
			if (event.getActionCommand().equals("確認對話框"))
			{
				JOptionPane.showConfirmDialog(jf , getMessage(),"確認對話框", 
					getOptionType(), getDialogType());
			}
			else if (event.getActionCommand().equals("輸入對話框"))
			{  
				if (inputPanel.getSelection().equals("單行文本框"))
				{
					JOptionPane.showInputDialog(jf,	getMessage(), "輸入對話框", getDialogType());
				}
				else
				{
					JOptionPane.showInputDialog(jf,	getMessage(), "輸入對話框", getDialogType(),
					null,	new String[] {"輕量級J2EE企業應用實戰", "Struts2權威指南"}, 
					"Struts2權威指南");
				}
			}
			else if (event.getActionCommand().equals("消息對話框"))
			{
				JOptionPane.showMessageDialog(jf,getMessage(),"消息對話框",getDialogType());
			}
			else if (event.getActionCommand().equals("選項對話框"))
			{
				JOptionPane.showOptionDialog(jf , getMessage() , "選項對話框", getOptionType(),
					getDialogType(), null,	getOptions(), "a");
			}
		}
	}

	public static void main(String[] args)
	{  
		new TestJOptionPane().init();
	}
}

//定義一個JPanel類擴展類，該類的對象包含多個縱向排列的JRadioButton控件
//且Panel擴展類可以指定一個字符串作為TitledBorder
class ButtonPanel extends JPanel
{  
	private ButtonGroup group;
	public ButtonPanel(String title, String[] options)
	{  
		setBorder(BorderFactory.createTitledBorder(BorderFactory.createEtchedBorder(), title));
		setLayout(new BoxLayout(this, BoxLayout.Y_AXIS));
		group = new ButtonGroup();
		for (int i = 0; options!= null && i < options.length; i++)
		{  
			JRadioButton b = new JRadioButton(options[i]);
			b.setActionCommand(options[i]);
			add(b);
			group.add(b);
			b.setSelected(i == 0);
		}
	}
	//定義一個方法，用于返回用戶選擇的選項
	public String getSelection()
	{  
		return group.getSelection().getActionCommand();
	}   
}