import java.awt.FlowLayout;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.ObjectInputStream;
import java.io.PrintStream;
import java.io.PrintWriter;
import java.net.Socket;
import java.util.Vector;
import javax.swing.JButton;
import javax.swing.JCheckBox;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JList;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
import javax.swing.JTextField;
import javax.swing.ListSelectionModel;
import javax.swing.SwingConstants;
import javax.swing.Timer;
import javax.swing.event.ListSelectionEvent;
import javax.swing.event.ListSelectionListener;
import test.socket.Client;

/**
 * @author Administrator
 *
 * TODO To change the template for this generated type comment go to
 * Window - Preferences - Java - Code Style - Code Templates
 */
public class ChatRoom extends JFrame implements ActionListener, ListSelectionListener
{
    private String host = "localhost";
    private int port = 30000;
    private String userName;
    private JLabel lblChatRoom;
    JTextArea txtMessages;
    private JScrollPane jspTxtMsgPane;
    private JTextField txtMsg;
    private JScrollPane jspSendMsgPane;
    private JButton msgSendBtn;
    private JButton userLogoutBtn;
    private JLabel lblChatToWho;
    private JTextField nameChatToWho;
    
    private JLabel lblUserList;
    private JTextArea txtListUsers;
    private JList userList;
    private JScrollPane jspUserListPane;
    
    private PrintWriter out = null;
    
    private String chatMode = "public";

    public ChatRoom(String userName) throws IOException
    {
        //t.start();
        initRoom(userName);
        ChatClient client = new ChatClient(this);
        if (client.isConnected())
        {
            this.out = client.getOutputStream();
            out.println("login;" + userName);
        }
        else
            appendMessage("[] : ӷʧܣ");
    }

    private void initRoom(String userName)
    {
        this.userName = userName;
        this.setTitle("FunChat : " + userName);//ôڱ
        JPanel panel = new JPanel();//
        panel.setLayout(new GridBagLayout());//
        GridBagConstraints gbCons = new GridBagConstraints();//Լ
        //ұǩpanel
        gbCons.gridx = 0;
        gbCons.gridy = 0;
        lblChatRoom = new JLabel("Chat Room", SwingConstants.LEFT);
        panel.add(lblChatRoom, gbCons);
        //panel
        gbCons.gridx = 0;
        gbCons.gridy = 1;
        gbCons.gridwidth = 1;
        gbCons.gridheight = 1;
        gbCons.weightx = 1.0;
        gbCons.weighty = 1.0;
        txtMessages = new JTextArea(25, 35);//һ25У35е
        txtMessages.setEditable(false);
        jspTxtMsgPane = new JScrollPane(txtMessages,
                JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED,
                JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED);//ӵJScrollPane
        panel.add(jspTxtMsgPane, gbCons);
        //panel
        gbCons.gridx = 0;
        gbCons.gridy = 3;
        gbCons.gridwidth = 1;
        gbCons.gridheight = 1;
        gbCons.weightx = 1.0;
        gbCons.weighty = 1.0;
        txtMsg = new JTextField(35);
        //        jspSendMsgPane = new JScrollPane(txtMsg,
        //                JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED,
        //                JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED);
        //        panel.add(jspSendMsgPane, gbCons);
        panel.add(txtMsg, gbCons);
        //ӷͰťpanel
        gbCons.gridx = 1;
        gbCons.gridy = 3;
        gbCons.gridwidth = 1;
        gbCons.gridheight = 1;
        gbCons.weightx = 1.0;
        gbCons.weighty = 1.0;
        gbCons.anchor = GridBagConstraints.WEST;
        msgSendBtn = new JButton("Send");
        panel.add(msgSendBtn, gbCons);
        msgSendBtn.addActionListener(this);//ΪͰťע
        
        JPanel functionPanel = new JPanel();
        functionPanel.setLayout(new FlowLayout(FlowLayout.LEFT,10,10));
        JCheckBox jChatMode = new JCheckBox("˽",false);
        ItemListener iListener = new ItemListener()
        {
            public void itemStateChanged(ItemEvent evt)
            {
               System.out.println("Item event : " + evt.getStateChange()); 
               if(evt.getStateChange() == 1)
               {
                   chatMode = "private";
               }
               else
               {
                   chatMode = "public";
               }
               System.out.println("Chat Mode : " + chatMode);
            }
            
        };
        jChatMode.addItemListener(iListener);
        functionPanel.add(jChatMode);
        lblChatToWho = new JLabel("");
        functionPanel.add(lblChatToWho);
        nameChatToWho = new JTextField(10);
        nameChatToWho.setText("");
        functionPanel.add(nameChatToWho);
        gbCons.gridx = 0;
        gbCons.gridy = 2;
        gbCons.gridwidth = 1;
        gbCons.gridheight = 1;
        gbCons.weightx = 1.0;
        gbCons.weighty = 1.0;
        
        
        panel.add(functionPanel, gbCons);
        
        JPanel btnPanel = new JPanel();
        userLogoutBtn = new JButton("Logout");
        userLogoutBtn.addActionListener(this);
        //add a listerener to the window
        this.addWindowListener(new WindowAdapter()
        {
            public void windowClosing(WindowEvent e1)
            {
                
            }
        });
        btnPanel.add(userLogoutBtn);
        gbCons.gridx = 0;
        gbCons.gridy = 4;
        gbCons.gridwidth = 1;
        gbCons.gridheight = 1;
        gbCons.weightx = 1.0;
        gbCons.weighty = 1.0;
        gbCons.anchor = GridBagConstraints.EAST;
        gbCons.fill = GridBagConstraints.HORIZONTAL;
        panel.add(btnPanel, gbCons);
        
        gbCons.gridx = 1;
        gbCons.gridy = 0;
        lblUserList = new JLabel("Online Users", SwingConstants.LEFT);
        panel.add(lblUserList, gbCons);
        
        gbCons.gridx = 1;
        gbCons.gridy = 1;
        gbCons.gridwidth = 1;
        gbCons.gridheight = 1;
        gbCons.weightx = 1.0;
        gbCons.weighty = 1.0;
        userList = new JList(new Vector());
        userList.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
        userList.setVisibleRowCount(28);
        //userList.setFixedCellHeight(56);//õԪĸ߶
        userList.setFixedCellWidth(15);//õԪĿ
        userList.addListSelectionListener(this);
        JScrollPane userListScrollPane = new JScrollPane(userList);
        
//        txtListUsers = new JTextArea(25, 10);
//        txtListUsers.setEditable(false);
//        jspUserListPane = new JScrollPane(txtListUsers,
//                JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED,
//                JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED);
        panel.add(userListScrollPane, gbCons);
        
        this.getContentPane().add(panel);//panelӵݴ(עֱӵFrameϵ
        this.setDefaultCloseOperation(EXIT_ON_CLOSE);
        this.pack();
        //this.setSize(546, 567);//ôʾߴ
        this.setVisible(true);//ôǷɼ
        txtMsg.requestFocus(true);//ý
    }

    /*
     * (non-Javadoc)
     * 
     * @see java.awt.event.ActionListener#actionPerformed(java.awt.event.ActionEvent)
     */
    public void actionPerformed(ActionEvent evt)
    {
        // TODO Auto-generated method stub
        JButton button = (JButton) evt.getSource();
        if (button.equals(msgSendBtn))
        {
            String outMessage = txtMsg.getText();
            String who = nameChatToWho.getText();
            if(who.equalsIgnoreCase(""))
            {
                who = "roomall";
            }
            out.println("chat;" + this.chatMode + " " + who + ";" + outMessage);
            txtMsg.setText("");
            txtMsg.requestFocus(true);
        }
        else
        {
            System.exit(0);
        }
    }

    public void appendMessage(String message)
    {
        //System.out.println("Call appendMessage.");
        txtMessages.setText(txtMessages.getText() + message);
    }

    public void refreshUserList(String names)
    {
        String  toWho = this.nameChatToWho.getText();
        //System.out.println("Call refreshUserList.");
//        int pos = names.indexOf("return_list>");
//        String strTemp = names.substring(pos + 12);
//        pos = strTemp.indexOf(":");
//        strTemp = strTemp.substring(pos + 1);
        //this.txtListUsers.setText("king");
        Vector v = new Vector();
        v.addElement("king");
        v.addElement("Ryan");
        for(int i=0; i < 8; i++)
        {
            v.addElement("user" + i);
        }
        this.userList.setListData(v);
        this.nameChatToWho.setText(toWho);
    }
    
    public static void main(String[] args)
    {
        try
        {
            ChatRoom room = new ChatRoom("1;king");
        }
        catch (IOException e)
        {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
    }

    //Timer t = new Timer(5000, new TimerAction());
    
    class TimerAction implements ActionListener
    {
        Socket toServer;
        ObjectInputStream streamFromServer;
        BufferedReader in;
        PrintStream streamToServer;

        public void actionPerformed(ActionEvent e2)
        {
            try
            {
                toServer = new Socket("127.0.0.1", 30000);
                in = new BufferedReader(new InputStreamReader(toServer.getInputStream()));
                streamToServer = new PrintStream(toServer.getOutputStream());
                streamToServer.println("list;1");
                //streamFromServer = new ObjectInputStream(toServer
                 //       .getInputStream());
                while(true)
                {System.out.println(">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>");
                    String inStr = in.readLine();
                    System.out.println(inStr);
                    if(inStr.startsWith("return_list>"))
                    {
                        int pos = inStr.indexOf("return_list>");
                        String strTemp = inStr.substring(pos + 12);
                        pos = strTemp.indexOf(":");
                        strTemp = strTemp.substring(pos + 1);
                        txtListUsers.setText("");
                        txtListUsers.append(strTemp);
                        txtListUsers.append("\n");
                        break;
                    }
                
                //send a message to the server
                
                //show the online users
                
                }
            }//end of try
            catch (Exception e)
            {
                System.out.println("Exception " + e);
            }
        }//end of actionPerformed
    }//end of TimerListener class

    /* (non-Javadoc)
     * @see javax.swing.event.ListSelectionListener#valueChanged(javax.swing.event.ListSelectionEvent)
     */
    public void valueChanged(ListSelectionEvent event)
    {
        // TODO Auto-generated method stub
        JList source = (JList)event.getSource();
        String value = (String)source.getSelectedValue();
        nameChatToWho.setText(value);
    }
}