java線上聊天項目 swt可視化視窗Design 重新設計好友列表視窗 增加菜單欄

增加的菜單欄效果圖如下：

eclipse 中調整到 swt的design視圖下

控制項區域選擇Menu Controls

將Menu Bar拖動到視窗標題欄

將Cascaded Menu拖動到Menu Bar

依次將多個Menu Item加入到New SubMenu

Separator是分隔符

也可以再放入Cascaded Menu級聯菜單

好友列表視窗的代碼如下：

package com.swift.frame;

import java.awt.BorderLayout;
import java.awt.Component;
import java.awt.Dimension;
import java.awt.EventQueue;
import java.awt.FlowLayout;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;

import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JDialog;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;
import javax.swing.JPanel;
import javax.swing.JPopupMenu;
import javax.swing.JTabbedPane;
import javax.swing.SwingConstants;
import javax.swing.UIManager;
import javax.swing.UnsupportedLookAndFeelException;

public class FriendsDialog extends JDialog {
    
    public static void main(String args[]) {
        
        JFrame.setDefaultLookAndFeelDecorated(true);
        JDialog.setDefaultLookAndFeelDecorated(true);
        
        try {
            UIManager.setLookAndFeel("javax.swing.plaf.nimbus.NimbusLookAndFeel");
        } catch (ClassNotFoundException e1) {
            e1.printStackTrace();
        } catch (InstantiationException e1) {
            e1.printStackTrace();
        } catch (IllegalAccessException e1) {
            e1.printStackTrace();
        } catch (UnsupportedLookAndFeelException e1) {
            e1.printStackTrace();
        }
        
        EventQueue.invokeLater(new Runnable() {
            public void run() {
                try {
                    FriendsDialog dialog = new FriendsDialog();
                    dialog.addWindowListener(new WindowAdapter() {
                        public void windowClosing(WindowEvent e) {
                            System.exit(0);
                        }
                    });
                    dialog.setVisible(true);
                } catch (Exception e) {
                    e.printStackTrace();
                }
            }
        });
    }

    public FriendsDialog() {
        super();
        setTitle("飛燕聊天");
        setBounds(100, 100, 247, 581);

        final JPanel panel = new JPanel();
        panel.setLayout(new BorderLayout());
        getContentPane().add(panel, BorderLayout.NORTH);

        final JLabel label = new JLabel(new ImageIcon("Images/logo.jpg"));
        label.setText("New JLabel");
        panel.add(label, BorderLayout.WEST);
        label.setPreferredSize(new Dimension(74,74));

        final JPanel panel_1 = new JPanel();
        panel_1.setLayout(new BorderLayout());
        panel.add(panel_1, BorderLayout.CENTER);

        final JLabel advancingSwiftLabel = new JLabel();
        advancingSwiftLabel.setText("Advancing Swift");
        panel_1.add(advancingSwiftLabel, BorderLayout.CENTER);

        final JLabel neverWasterLabel = new JLabel();
        neverWasterLabel.setText("Never waste time any more");
        panel_1.add(neverWasterLabel, BorderLayout.SOUTH);

        final JPanel panel_2 = new JPanel();
        panel_2.setLayout(new BorderLayout());
        getContentPane().add(panel_2, BorderLayout.SOUTH);

        final JPanel panel_3 = new JPanel();
        final FlowLayout flowLayout = new FlowLayout();
        flowLayout.setAlignment(FlowLayout.LEFT);
        panel_3.setLayout(flowLayout);
        panel_2.add(panel_3);

        final JButton button = new JButton();
        panel_3.add(button);
        button.setHorizontalTextPosition(SwingConstants.LEFT);
        button.setHorizontalAlignment(SwingConstants.LEFT);
        button.setText("設置");

        final JButton button_1 = new JButton();
        panel_3.add(button_1);
        button_1.setText("查找");

        final JPanel panel_4 = new JPanel();
        panel_2.add(panel_4, BorderLayout.EAST);

        final JButton button_2 = new JButton();
        panel_4.add(button_2);
        button_2.setText("退出");

        final JTabbedPane tabbedPane = new JTabbedPane();
        getContentPane().add(tabbedPane, BorderLayout.CENTER);

        final JPanel panel_5 = new JPanel();
        tabbedPane.addTab("好友列表", null, panel_5, null);

        final JPanel panel_6 = new JPanel();
        tabbedPane.addTab("群聊", null, panel_6, null);

        final JPanel panel_7 = new JPanel();
        tabbedPane.addTab("聊天記錄", null, panel_7, null);

        final JMenuBar menuBar = new JMenuBar();
        setJMenuBar(menuBar);

        final JMenu menu = new JMenu();
        menu.setText("操作");
        menuBar.add(menu);

        final JMenuItem newItemMenuItem = new JMenuItem();
        newItemMenuItem.setText("設置");
        menu.add(newItemMenuItem);

        final JMenuItem newItemMenuItem_1 = new JMenuItem();
        newItemMenuItem_1.setText("空間");
        menu.add(newItemMenuItem_1);

        final JMenuItem newItemMenuItem_2 = new JMenuItem();
        newItemMenuItem_2.setText("郵箱");
        menu.add(newItemMenuItem_2);

        final JMenu menu_1 = new JMenu();
        menu_1.setText("會員");
        menu.add(menu_1);

        final JMenuItem newItemMenuItem_3 = new JMenuItem();
        newItemMenuItem_3.setText("會員官網");
        menu_1.add(newItemMenuItem_3);

        final JMenuItem newItemMenuItem_4 = new JMenuItem();
        newItemMenuItem_4.setText("會員專區");
        menu_1.add(newItemMenuItem_4);

        menu.addSeparator();

        final JMenu menu_2 = new JMenu();
        menu_2.setText("安全");
        menu.add(menu_2);

        final JMenuItem newItemMenuItem_5 = new JMenuItem();
        newItemMenuItem_5.setText("緊急凍結");
        menu_2.add(newItemMenuItem_5);

        final JMenuItem newItemMenuItem_6 = new JMenuItem();
        newItemMenuItem_6.setText("密碼保護");
        menu_2.add(newItemMenuItem_6);

        final JMenuItem newItemMenuItem_7 = new JMenuItem();
        newItemMenuItem_7.setText("退出");
        menu.add(newItemMenuItem_7);
        final FlowLayout flowLayout_1 = new FlowLayout();
        flowLayout_1.setAlignment(FlowLayout.RIGHT);
    }

    /**
     * WindowBuilder generated method.<br>
     * Please don't remove this method or its invocations.<br>
     * It used by WindowBuilder to associate the {@link javax.swing.JPopupMenu} with parent.
     */
    private static void addPopup(Component component, final JPopupMenu popup) {
        component.addMouseListener(new MouseAdapter() {
            public void mousePressed(MouseEvent e) {
                if (e.isPopupTrigger())
                    showMenu(e);
            }
            public void mouseReleased(MouseEvent e) {
                if (e.isPopupTrigger())
                    showMenu(e);
            }
            private void showMenu(MouseEvent e) {
                popup.show(e.getComponent(), e.getX(), e.getY());
            }
        });
    }
}