package component;

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

public class ToolBarFrame extends JFrame {
  JPanel contentPane = new JPanel();
  BorderLayout borderLayout1 = new BorderLayout();
  JLabel jLabel1 = new JLabel();
  //創建工具欄
  JToolBar jToolBar1 = new JToolBar();
  //創建3個按鈕
  JButton jButton1 = new JButton();
  JButton jButton2 = new JButton();
  JButton jButton3 = new JButton();

  public ToolBarFrame() {
    try {
      //窗口關閉時清空內存
      setDefaultCloseOperation(EXIT_ON_CLOSE);
      jbInit();
    }
    catch (Exception e) {}
  }

  public static void main(String[] args) {
    ToolBarFrame frame = new ToolBarFrame();
    Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
    Dimension frameSize = frame.getSize();
    //居中對齊
    frame.setLocation((screenSize.width - frameSize.width) / 2,
        (screenSize.height - frameSize.height) / 2);
    frame.setVisible(true);
  }
  private void jbInit() throws Exception {
    contentPane = (JPanel)this.getContentPane();
    setTitle("工具欄示例");
    setSize(new Dimension(400, 300));
    contentPane.setLayout(borderLayout1);
    //創建3個圖標
    ImageIcon icon1 = new ImageIcon(".\\image\\01.gif");
    ImageIcon icon2 = new ImageIcon(".\\image\\02.gif");
    ImageIcon icon3 = new ImageIcon(".\\image\\03.gif");
    //設置按鈕的圖標
    jButton1.setIcon(icon1);
    jButton2.setIcon(icon2);
    jButton3.setIcon(icon3);
    //設置工具欄四周的空隙
    jToolBar1.setMargin(new Insets(5, 5, 5, 5));
    //設置標簽屬性
    jLabel1.setText("工具欄1");
    //向工具欄加入各種控件
    jToolBar1.add(jLabel1, null);
    //加入分隔條
    jToolBar1.addSeparator();
    jToolBar1.add(jButton1, null);
    jToolBar1.add(jButton2, null);
    jToolBar1.add(jButton3, null);
    //向底層容器加入工具欄
    contentPane.add(jToolBar1, BorderLayout.NORTH);
  }
}