import java.awt.*;
import java.awt.event.*;
import java.util.*;
import javax.swing.*;
import javax.swing.event.*;
/**
 * 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 TestJSlider
{
	JFrame mainWin = new JFrame("滑動條示范");
	Box sliderBox = new Box(BoxLayout.Y_AXIS);
	JTextField showVal = new JTextField();
	ChangeListener listener;
	public void init() 
	{
		//定義一個監聽器，用于監聽所有滑動條
		listener = new ChangeListener()
		{  
			public void stateChanged(ChangeEvent event)
			{  
				//取出滑動條的值，并在文本中顯示出來
				JSlider source = (JSlider) event.getSource();
				showVal.setText("當前滑動條的值為：" + source.getValue());
			}
		};
		//-----------添加一個普通滑動條-----------
		JSlider slider = new JSlider();
		addSlider(slider, "普通滑動條");

		//-----------添加保留區為30的滑動條-----------
		slider = new JSlider();
		slider.setExtent(30);
		addSlider(slider, "保留區為30");

		//-----------添加帶主、次刻度的滑動條,并設置其最大值，最小值-----------
		slider = new JSlider(30 , 200);
		//設置繪制刻度
		slider.setPaintTicks(true);
		//設置主、次刻度的間距
		slider.setMajorTickSpacing(20);
		slider.setMinorTickSpacing(5);
		addSlider(slider, "有刻度");

		//-----------添加滑塊必須停在刻度處滑動條-----------
		slider = new JSlider();
		//設置滑塊必須停在刻度處
		slider.setSnapToTicks(true);
		//設置繪制刻度
		slider.setPaintTicks(true);
		//設置主、次刻度的間距
		slider.setMajorTickSpacing(20);
		slider.setMinorTickSpacing(5);
		addSlider(slider, "滑塊停在刻度處");

		//-----------添加沒有滑軌的滑動條-----------
		slider = new JSlider();
		//設置繪制刻度
		slider.setPaintTicks(true);
		//設置主、次刻度的間距
		slider.setMajorTickSpacing(20);
		slider.setMinorTickSpacing(5);
		//設置不繪制滑軌
		slider.setPaintTrack(false);
		addSlider(slider, "無滑軌");

		//-----------添加方向反轉的滑動條-----------
		slider = new JSlider();
		//設置繪制刻度
		slider.setPaintTicks(true);
		//設置主、次刻度的間距
		slider.setMajorTickSpacing(20);
		slider.setMinorTickSpacing(5);
		//設置方向反轉
		slider.setInverted(true);
		addSlider(slider, "方向反轉");

		//-----------添加繪制默認刻度標簽的滑動條-----------
		slider = new JSlider();
		//設置繪制刻度
		slider.setPaintTicks(true);
		//設置主、次刻度的間距
		slider.setMajorTickSpacing(20);
		slider.setMinorTickSpacing(5);
		//設置繪制刻度標簽，默認繪制數值刻度標簽
		slider.setPaintLabels(true);
		addSlider(slider, "數值刻度標簽");

		//-----------添加繪制Label類型的刻度標簽的滑動條----------- 
		slider = new JSlider();
		//設置繪制刻度
		slider.setPaintTicks(true);
		//設置主、次刻度的間距
		slider.setMajorTickSpacing(20);
		slider.setMinorTickSpacing(5);
		//設置繪制刻度標簽
		slider.setPaintLabels(true);
		Dictionary<Integer, Component> labelTable = new Hashtable<Integer, Component>();
		labelTable.put(0, new JLabel("A"));
		labelTable.put(20, new JLabel("B"));
		labelTable.put(40, new JLabel("C"));
		labelTable.put(60, new JLabel("D"));
		labelTable.put(80, new JLabel("E"));
		labelTable.put(100, new JLabel("F"));
		//指定刻度標簽，標簽是JLabel
		slider.setLabelTable(labelTable);
		addSlider(slider, "JLable標簽");

		//-----------添加繪制Label類型的刻度標簽的滑動條----------- 
		slider = new JSlider();
		//設置繪制刻度
		slider.setPaintTicks(true);
		//設置主、次刻度的間距
		slider.setMajorTickSpacing(20);
		slider.setMinorTickSpacing(5);
		//設置繪制刻度標簽
		slider.setPaintLabels(true);
		labelTable = new Hashtable<Integer, Component>();
		labelTable.put(0, new JLabel(new ImageIcon("ico/0.GIF")));
		labelTable.put(20, new JLabel(new ImageIcon("ico/2.GIF")));
		labelTable.put(40, new JLabel(new ImageIcon("ico/4.GIF")));
		labelTable.put(60, new JLabel(new ImageIcon("ico/6.GIF")));
		labelTable.put(80, new JLabel(new ImageIcon("ico/8.GIF")));
		//指定刻度標簽，標簽是ImageIcon
		slider.setLabelTable(labelTable);
		addSlider(slider, "Icon標簽");

		mainWin.add(sliderBox, BorderLayout.CENTER);
		mainWin.add(showVal, BorderLayout.SOUTH);
		mainWin.pack();
		mainWin.setVisible(true);

	}
	//定義一個方法，用于將滑動條添加到容器中
	public void addSlider(JSlider slider, String description)
	{        
		slider.addChangeListener(listener);
		Box box = new Box(BoxLayout.X_AXIS);
		box.add(new JLabel(description + "："));
		box.add(slider);
		sliderBox.add(box);
	}

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