frame1.java

很好得jbuilder100例源代码

package popupmenu;

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

public class Frame1 extends JFrame {
  JPanel contentPane;
  PopupMenu popupMenu1 = new PopupMenu();
  CheckboxMenuItem checkboxMenuItem1 = new CheckboxMenuItem();
  Menu menu1 = new Menu();
  MenuItem menuItem1 = new MenuItem();
  MenuItem menuItem3 = new MenuItem();
  MenuItem menuItem4 = new MenuItem();
  Menu menu2 = new Menu();
  MenuItem menuItem2 = new MenuItem();
  MenuItem menuItem5 = new MenuItem();
  Label label1 = new Label();
  FlowLayout flowLayout1 = new FlowLayout();

  /**Construct the frame*/
  public Frame1() {
    enableEvents(AWTEvent.WINDOW_EVENT_MASK);
    try {
      jbInit();
    }
    catch(Exception e) {
      e.printStackTrace();
    }
  }
  /**Component initialization*/
  private void jbInit() throws Exception  {
    //setIconImage(Toolkit.getDefaultToolkit().createImage(Frame1.class.getResource("[Your Icon]")));
    contentPane = (JPanel) this.getContentPane();
    contentPane.setLayout(flowLayout1);
    this.setContentPane(contentPane);
    this.setResizable(false);
    this.setSize(new Dimension(337, 217));
    this.setTitle("弹出菜单演示程序");
    this.addMouseListener(new java.awt.event.MouseAdapter() {
      public void mouseClicked(MouseEvent e) {
        this_mouseClicked(e);
      }
    });
    this.addKeyListener(new java.awt.event.KeyAdapter() {
      public void keyTyped(KeyEvent e) {
        this_keyTyped(e);
      }
    });
    checkboxMenuItem1.setLabel("显示文本");
    checkboxMenuItem1.setState(true);
    checkboxMenuItem1.addItemListener(new java.awt.event.ItemListener() {
      public void itemStateChanged(ItemEvent e) {
        checkboxMenuItem1_itemStateChanged(e);
      }
    });
    checkboxMenuItem1.addActionListener(new java.awt.event.ActionListener() {
      public void actionPerformed(ActionEvent e) {
        checkboxMenuItem1_actionPerformed(e);
      }
    });
    popupMenu1.addActionListener(new java.awt.event.ActionListener() {
      public void actionPerformed(ActionEvent e) {
        popupMenu1_actionPerformed(e);
      }
    });
    menu1.setLabel("改变颜色");
    menuItem1.setLabel("黑色");
    menuItem1.addActionListener(new java.awt.event.ActionListener() {
      public void actionPerformed(ActionEvent e) {
        menuItem1_actionPerformed(e);
      }
    });
    menuItem3.setLabel(" 红色");
    menuItem3.addActionListener(new java.awt.event.ActionListener() {
      public void actionPerformed(ActionEvent e) {
        menuItem3_actionPerformed(e);
      }
    });
    menuItem4.setLabel("白色");
    menuItem4.addActionListener(new java.awt.event.ActionListener() {
      public void actionPerformed(ActionEvent e) {
        menuItem4_actionPerformed(e);
      }
    });
    menu2.setLabel("改变标题");
    menuItem2.setLabel("中文");
    menuItem2.addActionListener(new java.awt.event.ActionListener() {
      public void actionPerformed(ActionEvent e) {
        menuItem2_actionPerformed(e);
      }
    });
    menuItem5.setLabel(" 英文");
    menuItem5.addActionListener(new java.awt.event.ActionListener() {
      public void actionPerformed(ActionEvent e) {
        menuItem5_actionPerformed(e);
      }
    });
    label1.setText("弹出菜单演示程序");
    popupMenu1.add(menu1);
    popupMenu1.add(menu2);
    popupMenu1.addSeparator();
    popupMenu1.add(checkboxMenuItem1);
    menu1.add(menuItem1);
    menu1.add(menuItem3);
    menu1.add(menuItem4);
    menu2.add(menuItem2);
    menu2.add(menuItem5);
    contentPane.add(label1, null);
  }
  /**File | Exit action performed*/
  public void jMenuFileExit_actionPerformed(ActionEvent e) {
    System.exit(0);
  }
  /**Help | About action performed*/
  /**Overridden so we can exit when window is closed*/
  protected void processWindowEvent(WindowEvent e) {
    super.processWindowEvent(e);
    if (e.getID() == WindowEvent.WINDOW_CLOSING) {
      jMenuFileExit_actionPerformed(null);
    }
  }

  void popupMenu1_actionPerformed(ActionEvent e) {

  }

  void this_keyTyped(KeyEvent e) {

  }

  void this_mouseClicked(MouseEvent e) {
    contentPane.add(popupMenu1);
    if (e.getModifiers() == Event.META_MASK)  {
        popupMenu1.show(contentPane, e.getX(), e.getY());
    }

  }

  void checkboxMenuItem1_actionPerformed(ActionEvent e) {

  }

  void checkboxMenuItem1_itemStateChanged(ItemEvent e) {
    if (checkboxMenuItem1.getState())
      label1.setVisible(true);
      else
      label1.setVisible(false);
  }

  void menuItem1_actionPerformed(ActionEvent e) {
contentPane.setBackground(Color.black);
  }

  void menuItem3_actionPerformed(ActionEvent e) {
contentPane.setBackground(Color.red);
  }

  void menuItem4_actionPerformed(ActionEvent e) {
contentPane.setBackground(Color.white);
  }

  void menuItem2_actionPerformed(ActionEvent e) {
this.setTitle("弹出菜单演示程序");
  }

  void menuItem5_actionPerformed(ActionEvent e) {
this.setTitle("Popup Menu Pro");
  }
}