friendpanel.java

该系统是一个基于p2p的即时聊天系统

/*
 * @(#) FriendPanel.java
 * Copyright 2004 HWStudio. All rights reserved.
 */
package hws.item.smart.panel.function.chat;
//导入核心Java类库
import java.awt.Insets;
import java.awt.Component;
import java.awt.FlowLayout;
import java.awt.GridBagLayout;
import java.awt.GridBagConstraints;
import java.awt.event.MouseEvent;
import java.awt.event.MouseAdapter;
import java.util.List;
import java.util.ArrayList;
import javax.swing.JTree;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JButton;
import javax.swing.JSplitPane;
import javax.swing.JOptionPane;
import javax.swing.JScrollPane;
import javax.swing.tree.TreePath;
import javax.swing.tree.DefaultTreeModel;
import javax.swing.tree.DefaultMutableTreeNode;
import javax.swing.tree.DefaultTreeCellRenderer;
import javax.swing.tree.DefaultTreeSelectionModel;
import javax.swing.event.TreeSelectionEvent;
import javax.swing.event.TreeSelectionListener;
//导入自定义Java类库
import hws.item.smart.Smart;
import hws.item.smart.misc.ImageShop;
import hws.item.smart.misc.SBChanger;
import hws.item.smart.misc.StringShop;
import hws.item.smart.misc.ActionCenter;
import hws.item.smart.panel.function.chat.misc.ChatViewPanel;
import hws.item.smart.panel.function.share.DownloadPanel;
import hws.item.smart.action.chat.friend.ChattingAction;
import hws.item.smart.action.chat.friend.AddFriendAction;
import hws.item.smart.action.chat.friend.DeleteFriendAction;
import hws.item.smart.dialog.SelectFriendDialog;
import hws.item.smart.utility.chat.UserInfo;
import hws.item.smart.utility.chat.ChatAgent;
//导入第三方Java类库
import net.infonode.util.Direction;
import net.infonode.docking.View;
import net.infonode.docking.RootWindow;
import net.infonode.docking.DockingWindow;
import net.infonode.docking.DockingWindowAdapter;
import net.infonode.docking.util.ViewMap;
import net.infonode.docking.util.DockingUtil;
import net.infonode.docking.theme.DockingWindowsTheme;
import net.infonode.docking.theme.SoftBlueIceDockingTheme;
import net.infonode.docking.properties.TabWindowProperties;
import net.infonode.docking.properties.RootWindowProperties;
import net.infonode.docking.properties.WindowTabStateProperties;
/**
 * 我的好友面板
 *
 * @version 0.1 2005-08-26
 * @author Hwerz
 */
public class FriendPanel extends JPanel {
    /*------------------------------------------------------------------------*
     *                                属性定义                                *
     *------------------------------------------------------------------------*/
    /**
     * 好友树根节点
     */
    private static final DefaultMutableTreeNode FRIEND_ROOT =
        new DefaultMutableTreeNode("我的好友(未登录)");
    /**
     * 该类自身的一个静态引用
     */
    private static FriendPanel panel;
    /**
     * 好友视图面板
     */
    private FriendViewPanel friendViewPanel;
    /**
     * 在线聊天面板
     */
    private OnlineChatPanel onlineChatPanel;
    /*------------------------------------------------------------------------*
     *                                构造函数                                *
     *------------------------------------------------------------------------*/
    /**
     * 构造函数为私有，这样在整个运行过程中该类就只能有一个实例
     */
    private FriendPanel() {
        super(new GridBagLayout());
        //工具栏面板
        GridBagConstraints constraints = new GridBagConstraints(
            //gridx, gridy
            0, 0,
            //gridwidth, gridheight
            1, 1,
            //weightx, weighty
            1.0, 0.0,
            //anchor
            GridBagConstraints.NORTH,
            //fill
            GridBagConstraints.HORIZONTAL,
            //insets
            new Insets(5, 0, 0, 0),
            //ipadx, ipady
            0, 0);
        add(new Toolbar(), constraints);
        //分割条面板
        friendViewPanel = new FriendViewPanel();
        onlineChatPanel = new OnlineChatPanel();
        JSplitPane spliter = new JSplitPane(JSplitPane.HORIZONTAL_SPLIT, false,
            friendViewPanel, onlineChatPanel);
        spliter.setOneTouchExpandable(true);
        spliter.setDividerLocation(200);
        constraints.gridy = 1;
        constraints.weighty = 1.0;
        constraints.fill = GridBagConstraints.BOTH;
        constraints.insets = new Insets(5, 5, 5, 5);
        add(spliter, constraints);
    }
    /*------------------------------------------------------------------------*
     *                                公共方法                                *
     *------------------------------------------------------------------------*/
    /**
     * 对该类提供的一个全局访问点，用来实例化该对象
     *
     * @return 该类唯一的一个实例
     */
    public static FriendPanel getInstance() {
        if (panel == null) {
            panel = new FriendPanel();
        }
        return panel;
    }
    /**
     * 设置好友信息
     *
     * @param info 待设置的好友信息
     */
    public void setValue(UserInfo info) {
        friendViewPanel.setValue(info);
        onlineChatPanel.setValue(info);
        ChatAgent.getInstance(info.getBasicInfo().getID()).start();
    }
    /**
     * 返回用户的所有好友
     *
     * @return 用户的所有好友
     */
    public List getAllFriends() {
        return friendViewPanel.getAllFriends();
    }
    /**
     * 添加好友
     */
    public void addFriend() {
        new SelectFriendDialog();
        String id = SelectFriendDialog.getSelectedUserID();
        if (id != null) {
            friendViewPanel.addFriend(id);
            ViewPanel.getInstance().update();
            DownloadPanel.getInstance().addFriend(id);
        }
    }
    /**
     * 删除好友
     */
    public void deleteFriend() {
        String id = friendViewPanel.getSelectedFriendID();
        onlineChatPanel.deleteView(id);
        friendViewPanel.deleteFriend();
        ViewPanel.getInstance().update();
        DownloadPanel.getInstance().deleteFriend(id);
    }
    /**
     * 开始聊天
     */
    public void chatting() {
        onlineChatPanel.chatWith(friendViewPanel.getSelectedFriendID());
    }
    /**
     * 接收信息
     *
     * @param sid 消息发送者ID
     * @param msg 待接收的消息
     */
    public void receive(String sid, String msg) {
        ChatViewPanel panel = onlineChatPanel.getChatViewPanel(sid);
        if (panel != null) {
            panel.receive(msg);
        } else {
            StringBuffer content = new StringBuffer();
            content.append("ID为");
            content.append(sid);
            content.append("的用户已将您加为好友，并发来如下消息：\n");
            content.append(msg);
            content.append("\n您必须也将其加为好友才能相互聊天。");
            JOptionPane.showMessageDialog(Smart.getInstance(),
                content.toString(), StringShop.HINT_TITLE,
                JOptionPane.INFORMATION_MESSAGE);
        }
    }
    /*------------------------------------------------------------------------*
     *                                 内部类                                 *
     *------------------------------------------------------------------------*/
    /**
     * 工具栏面板
     */
    class Toolbar extends JPanel {
        /**
         * Create a new instance of this class
         */
        public Toolbar() {
            super(new FlowLayout(FlowLayout.CENTER, 5, 0));
            //聊天
            JButton button = new JButton(ChattingAction.getInstance());
            button.setIcon(ImageShop.CHAT_IMAGEICON);
            button.addMouseListener(new SBChanger(
                ChattingAction.getInstance().getHintInfo(), false));
            add(button);
            //添加
            button = new JButton(AddFriendAction.getInstance());
            button.setIcon(ImageShop.ADD_IMAGEICON);
            button.addMouseListener(new SBChanger(
                AddFriendAction.getInstance().getHintInfo(), false));
            add(button);
            //删除
            button = new JButton(DeleteFriendAction.getInstance());
            button.setIcon(ImageShop.DELETE_IMAGEICON);
            button.addMouseListener(new SBChanger(
                DeleteFriendAction.getInstance().getHintInfo(), false));
            add(button);
        }
    }
    /**
     * 好友视图面板
     */
    class FriendViewPanel extends JPanel implements TreeSelectionListener {
        /**
         * 好友视图标签
         */
        private JLabel label;
        /**
         * 我的好友树的视图
         */
        private JTree friendTree;
        /**
         * 我的好友树的模型
         */
        private DefaultTreeModel friendModel;
        /**
         * Create a new instance of this class
         */
        public FriendViewPanel() {
            super(new GridBagLayout());
            //好友视图标签
            label = new JLabel("好友视图");
            GridBagConstraints constraints = new GridBagConstraints(
                //gridx, gridy
                0, 0,
                //gridwidth, gridheight
                1, 1,
                //weightx, weighty
                0.0, 0.0,
                //anchor
                GridBagConstraints.NORTHWEST,
                //fill
                GridBagConstraints.NONE,
                //insets
                new Insets(0, 5, 0, 0),
                //ipadx, ipady
                0, 0);
            add(label, constraints);
            //树型组件
            friendModel = new DefaultTreeModel(FRIEND_ROOT);
            friendTree = new JTree(friendModel);
            friendTree.addTreeSelectionListener(this);
            friendTree.addMouseListener(new MouseAdapter() {
                public void mouseClicked(MouseEvent event) {
                    int x = event.getX();
                    int y = event.getY();
                    TreePath path = friendTree.getPathForLocation(x, y);
                    if (path != null && event.getClickCount() == 2) {
                        if (path.getLastPathComponent() != FRIEND_ROOT) {
                            ChattingAction.getInstance().actionPerformed(null);
                        }
                    }
                }
            });
            setTree();
            setTreeCellRenderer();
            JScrollPane scroller = new JScrollPane(friendTree,
                JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED,
                JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED);
            constraints.gridy = 1;
            constraints.weightx = 1.0;
            constraints.weighty = 1.0;
            constraints.fill = GridBagConstraints.BOTH;
            constraints.insets = new Insets(0, 0, 0, 0);
            add(scroller, constraints);
        }