chatframe.java

java chat java chat简易聊天室程序源代码,有很高的参考价值,能在它的基础上进行2次开发.

/*
 * ChatFrame.java
 *
 * Created on 2008年4月21日, 上午9:23
 */
package chat.client;

import chat.common.ChatModelListener;
import chat.common.LoginMessage;
import chat.common.LogoutMessage;
import chat.common.TextMessage;
import chat.common.UpdateUserMessage;
import chat.common.User;
import chat.common.UserListMessage;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Enumeration;
import java.util.List;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.swing.JOptionPane;
import javax.swing.JScrollBar;
import javax.swing.text.BadLocationException;
import javax.swing.text.html.HTMLDocument;

/**
 *
 * @author  Administrator
 */
public class ChatFrame extends javax.swing.JFrame implements ChatModelListener {
    private FaceChooserDialog faceDialog;
    /** Creates new form ChatFrame */
    public ChatFrame() {
        initComponents();
        userList.setSelectedIndex(0);
        this.addWindowListener(new WindowAdapter() {

            @Override
            public void windowClosing(WindowEvent e) {
                LogoutMessage message = new LogoutMessage();
                message.setUser(DefaultClientModel.getInstance().user);
                DefaultClientModel.getInstance().sendMsg(message);
                setVisible(false);
            }
        });
    }

    /** This method is called from within the constructor to
     * initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is
     * always regenerated by the Form Editor.
     */
    // <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents
    private void initComponents() {

        jScrollPane2 = new javax.swing.JScrollPane();
        userList = new javax.swing.JList();
        jLabel1 = new javax.swing.JLabel();
        message = new javax.swing.JTextField();
        send = new javax.swing.JButton();
        jScrollPane1 = new javax.swing.JScrollPane();
        content = new javax.swing.JEditorPane();
        selectFace = new javax.swing.JButton();

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);

        userList.setModel(DefaultClientModel.getInstance().getListModel());
        userList.setSelectionMode(javax.swing.ListSelectionModel.SINGLE_SELECTION);
        jScrollPane2.setViewportView(userList);

        jLabel1.setText("消息：");

        send.setText("发送");
        send.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                sendActionPerformed(evt);
            }
        });

        content.setContentType("text/html");
        content.setDocument(DefaultClientModel.getInstance().getDocument());
        content.setEditable(false);
        jScrollPane1.setViewportView(content);

        selectFace.setText("插入表情");
        selectFace.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                selectFaceActionPerformed(evt);
            }
        });

        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addContainerGap()
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addGroup(layout.createSequentialGroup()
                        .addComponent(jLabel1)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addComponent(message, javax.swing.GroupLayout.DEFAULT_SIZE, 278, Short.MAX_VALUE))
                    .addComponent(jScrollPane1, javax.swing.GroupLayout.DEFAULT_SIZE, 318, Short.MAX_VALUE))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
                        .addComponent(send, javax.swing.GroupLayout.PREFERRED_SIZE, 83, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addComponent(jScrollPane2, javax.swing.GroupLayout.PREFERRED_SIZE, 83, javax.swing.GroupLayout.PREFERRED_SIZE))
                    .addComponent(selectFace, javax.swing.GroupLayout.Alignment.TRAILING))
                .addContainerGap())
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addContainerGap()
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addGroup(layout.createSequentialGroup()
                        .addComponent(jScrollPane2, javax.swing.GroupLayout.DEFAULT_SIZE, 211, Short.MAX_VALUE)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addComponent(selectFace))
                    .addComponent(jScrollPane1, javax.swing.GroupLayout.DEFAULT_SIZE, 242, Short.MAX_VALUE))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jLabel1)
                    .addComponent(send)
                    .addComponent(message, javax.swing.GroupLayout.PREFERRED_SIZE, 23, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addContainerGap())
        );

        pack();
    }// </editor-fold>//GEN-END:initComponents
    private void sendActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_sendActionPerformed
        // TODO add your handling code here:
        if (message.getText().trim().equals("")) {
            JOptionPane.showMessageDialog(this, "消息不能为空！");
            return;
        }
        User user = (User) userList.getSelectedValue();
        if (user == null) {
            JOptionPane.showMessageDialog(this, "没有选择聊天对象！");
            return;
        }
        List lUser = null;
        TextMessage msg = new TextMessage();
        msg.setUser(DefaultClientModel.getInstance().user);
        //选择所有人
        if (user.equals(User.createAllUser())) {
            //从List中获取所有用户信息
            User[] users = new User[DefaultClientModel.getInstance().listModel.getSize()];
            DefaultClientModel.getInstance().listModel.copyInto(users);
            lUser = Arrays.asList(users);
            //转换成ArrayList ,由于默认转换的list不支持remove功能。
            //但是需要将 “所有人”选项 提交给服务器之前删除
            List temp = new ArrayList();
            temp.addAll(lUser);
            temp.remove(User.createAllUser());
            lUser = temp;
        } else {
            //找到聊天对象
            lUser = new ArrayList();
            lUser.add(userList.getSelectedValue());
        }
        //发送文本消息
        msg.setTo(lUser);
        msg.setContent(message.getText());
        DefaultClientModel.getInstance().sendMsg(msg);
    }//GEN-LAST:event_sendActionPerformed

    private void selectFaceActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_selectFaceActionPerformed
        // TODO add your handling code here:
        if(faceDialog == null){
            faceDialog = new FaceChooserDialog(ChatFrame.this);
        }
        faceDialog.setVisible(true);
        message.setText(message.getText()+faceDialog.getFaceString());
    }//GEN-LAST:event_selectFaceActionPerformed

    /**
     * @param args the command line arguments
     */
    public static void main(String args[]) {
        java.awt.EventQueue.invokeLater(new Runnable() {

            public void run() {
                new ChatFrame().setVisible(true);
            }
        });
    }
    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.JEditorPane content;
    private javax.swing.JLabel jLabel1;
    private javax.swing.JScrollPane jScrollPane1;
    private javax.swing.JScrollPane jScrollPane2;
    private javax.swing.JTextField message;
    private javax.swing.JButton selectFace;
    private javax.swing.JButton send;
    private javax.swing.JList userList;
    // End of variables declaration//GEN-END:variables
    public void doLogin(LoginMessage message) {

    }

    public void doLogout(LogoutMessage message) {

    }

    public void doUpdateUser(UpdateUserMessage message) {

    }

    public void doUserList(UserListMessage message) {

    }

    public void doTextMessage(TextMessage msg) {
        //处理接收到文本消息后的表现层处理
        //如果是自己发送的文本消息
        if(msg.getUser().equals(DefaultClientModel.getInstance().user)){
            try {
                HTMLDocument doc = (HTMLDocument)DefaultClientModel.getInstance().getDocument();
                doc.insertBeforeEnd(doc.getDefaultRootElement(), DefaultClientModel.getInstance().insertFace("<pre>I Say:" + msg.getContent() + "</pre><br/>"));
                
                message.setText("");
            } catch (BadLocationException ex) {
                Logger.getLogger(ChatFrame.class.getName()).log(Level.SEVERE, null, ex);
            } catch (IOException ex) {
                Logger.getLogger(ChatFrame.class.getName()).log(Level.SEVERE, null, ex);
            }
        }else{
            try {
                //服务器转发的文本消息
                HTMLDocument doc = (HTMLDocument)DefaultClientModel.getInstance().getDocument();
                doc.insertBeforeEnd(doc.getDefaultRootElement(), DefaultClientModel.getInstance().insertFace("<pre>"+msg.getUser() + " Says:" + msg.getContent() + "</pre><br/>"));
                //content.append(msg.getUser()+" Says:"+msg.getContent()+"\r\n");
            } catch (BadLocationException ex) {
                Logger.getLogger(ChatFrame.class.getName()).log(Level.SEVERE, null, ex);
            } catch (IOException ex) {
                Logger.getLogger(ChatFrame.class.getName()).log(Level.SEVERE, null, ex);
            }
            //content.append(msg.getUser()+" Says:"+msg.getContent()+"\r\n");
        }
        //滚动条始终定位到最新的消息
        JScrollBar jsb = jScrollPane1.getVerticalScrollBar();
        jsb.setValue(content.getHeight());
    }
}