package com.han;

import java.awt.BorderLayout;
import java.awt.image.BufferedImage;
import java.io.IOException;
import java.net.URL;

import javax.imageio.ImageIO;
import javax.swing.ImageIcon;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JTabbedPane;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;

public class JTabbedPane_1 extends JFrame {

  /**
   * 
   */
  private static final long serialVersionUID = -4058924020221196702L;

  public JTabbedPane_1() {
    // TODO Auto-generated constructor stub
    final JTabbedPane tabbedPane = new JTabbedPane();
    tabbedPane.setTabLayoutPolicy(JTabbedPane.SCROLL_TAB_LAYOUT);

    tabbedPane.addChangeListener(new ChangeListener() {

      @Override
      public void stateChanged(ChangeEvent arg0) {
        // TODO Auto-generated method stub
        int selectedIndex = tabbedPane.getSelectedIndex();
        String title = tabbedPane.getTitleAt(selectedIndex);
        System.out.println(title);
      }

    });

    URL resource = JTabbedPane_1.class.getResource("/images/Luxun.jpg");
    BufferedImage imageScaled = null;
    try {
      String[] readerFormatNames = ImageIO.getReaderFormatNames();
      for (String name : readerFormatNames) {
        System.out.print(name + "\t");
      }
      System.out.println();
      String[] writerFormatNames = ImageIO.getWriterFormatNames();
      for (String name : writerFormatNames) {
        System.out.print(name + "\t");
      }
      System.out.println();
      BufferedImage in = ImageIO.read(resource);
      imageScaled = ImageScale.scale(in, 0.1, 0.1, 1);
    } catch (IOException e) {
      // TODO Auto-generated catch block
      e.printStackTrace();
    }
    ImageIcon imageIcon = new ImageIcon(imageScaled);
    JLabel tabLabelA = new JLabel("选项卡A");
    JLabel tabLabelB = new JLabel("选项卡B");
    JLabel tabLabelC = new JLabel("选项卡C");
    tabbedPane.addTab("选项卡A", imageIcon, tabLabelA, "点击查看选项卡A");
    tabbedPane.addTab("选项卡B", imageIcon, tabLabelB, "点击查看选项卡B");
    tabbedPane.addTab("选项卡C", imageIcon, tabLabelC, "点击查看选项卡C");
    tabbedPane.setSelectedIndex(2); // 初始化界面时默认的是选中第一个选项卡即 index = 0
    tabbedPane.setEnabledAt(0, false);

    getContentPane().add(tabbedPane, BorderLayout.CENTER);
  }

  /**
   * @param args
   */
  public static void main(String[] args) {
    // TODO Auto-generated method stub
    JTabbedPane_1 frame = new JTabbedPane_1();
    frame.setTitle("选项卡面板");
    frame.setVisible(true);
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    // frame.pack();
    frame.setBounds(100, 100, 500, 300);
  }

}