lab11

src/ChatRoomGUI.java

 import javax.swing.*;
 import java.awt.*;
 
-public class ChatRoomGUI extends JFrame {
+public class ChatRoomGUI extends JFrame implements NewMessageListener{
     private final String WINDOWS_TITLE = "AUT Chat Room";
     private final int WIDTH = 500, HEIGHT = 500;
     private final int X = 100, Y = 100;
     ChatArea chatArea;
     MessageArea messageArea;
     ParticipantsArea participantsArea;
+    String username;
 
     public ChatRoomGUI() {
         super();
@@ -18,7 +19,7 @@ public class ChatRoomGUI extends JFrame {
         this.setLocation(X, Y);
         chatArea = new ChatArea();
         this.add(new JScrollPane(chatArea), BorderLayout.CENTER);
-        messageArea = new MessageArea();
+        messageArea = new MessageArea(this);
         this.add(messageArea, BorderLayout.PAGE_END);
         participantsArea = new ParticipantsArea();
         this.add(new JScrollPane(participantsArea), BorderLayout.WEST);
@@ -39,4 +40,11 @@ public class ChatRoomGUI extends JFrame {
     {
         this.participantsArea.removeParticipant(name);
     }
+
+    public void addNewMessageListener(String name, String message)
+    {
+        this.chatArea.addMessage(name, message);
+    }
+
+    public void addNewParticipantListener(String name) {this.participantsArea.addNewParticipant(name);}
 }
\ No newline at end of file

src/Main.java

 public class Main {
     public static void main(String[] args) {
         ChatRoomGUI chatRoomGUI = new ChatRoomGUI();
-        NameFrame nameFrame = new NameFrame();
+        NameFrame nameFrame = new NameFrame(chatRoomGUI);
         chatRoomGUI.addNewParticipant("ROHAM");
         chatRoomGUI.addNewMessage("ROHAM", "SALAM");
         chatRoomGUI.addNewParticipant("AMIRHOSSEIN");
         chatRoomGUI.addNewMessage("AMIRHOSSEIN", "SALAM");
         chatRoomGUI.addNewParticipant("GHOLI");
         chatRoomGUI.removeNewParticipant("GHOLI");
+        chatRoomGUI.addNewParticipant(nameFrame.username);
+        chatRoomGUI.removeNewParticipant(nameFrame.username);
     }
 }

src/MessageArea.java

+import networking.Network;
+
 import javax.swing.*;
 import java.awt.*;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.io.IOException;
 
 public class MessageArea extends JPanel{
     JTextField textField;
     JButton btn;
 
-    public MessageArea() throws HeadlessException {
+    public MessageArea(ChatRoomGUI chatRoomGUI) throws HeadlessException {
         super();
         this.setLayout(new BorderLayout());
         textField = new JTextField();
@@ -13,6 +18,18 @@ public class MessageArea extends JPanel{
         add(textField, BorderLayout.CENTER);
         btn = new JButton("SEND");
         add(btn, BorderLayout.EAST);
+        btn.addActionListener(new ActionListener() {
+            @Override
+            public void actionPerformed(ActionEvent e) {
+                chatRoomGUI.addNewMessage(chatRoomGUI.username, textField.getText());
+                try {
+                    Network n = new Network("localhost", 1234, textField.getText());
+                    //n.Send(textField.getText());
+                } catch (IOException e1) {
+                    e1.printStackTrace();
+                }
+            }
+        });
         setVisible(true);
     }
 }

src/NameFrame.java

 import javax.swing.*;
 import java.awt.*;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+
 
 public class NameFrame extends JFrame {
     private static final String BTN_TXT = " Start Chatting ...";
@@ -7,17 +10,32 @@ public class NameFrame extends JFrame {
     private static final int WIDTH = 300, HEIGHT = 100;
     JTextField textField;
     JButton btn;
+    String username;
 
-    public NameFrame() throws HeadlessException {
+    public NameFrame(ChatRoomGUI chatRoomGUI) throws HeadlessException {
         super();
         this.setLayout(new BorderLayout());
         JLabel label = new JLabel("Choose Your UserName");
         add(label, BorderLayout.PAGE_START);
         textField = new JTextField();
         add(textField, BorderLayout.CENTER);
-        btn = new JButton(LABEL_TXT);
+        btn = new JButton(BTN_TXT);
         add(btn, BorderLayout.PAGE_END);
+        btn.addActionListener(new ActionListener() {
+            @Override
+            public void actionPerformed(ActionEvent e) {
+                doClickAction();
+                chatRoomGUI.addNewParticipant(username);
+                chatRoomGUI.username = username;
+            }
+        });
         setSize(WIDTH, HEIGHT);
         setVisible(true);
     }
+
+    public void doClickAction()
+    {
+        setVisible(false);
+        username = textField.getText();
+    }
 }
\ No newline at end of file

src/NewMessageListener.java

+public interface NewMessageListener {
+    void addNewMessageListener(String name, String message);
+    void addNewParticipantListener(String name);
+}

src/networking/Network.java

+package networking;
+
+import java.net.*;
+import java.io.*;
+
+public class Network {
+
+    private String serverName;
+    private int port;
+    Socket client;
+
+    public Network(String serverName, int port, String message) throws IOException {
+        try {
+            System.out.println("Connecting to " + serverName + " on port " + port);
+            client = new Socket(serverName, port);
+            System.out.println("Just connected to " + client.getRemoteSocketAddress());
+            OutputStream outToServer = client.getOutputStream();
+            DataOutputStream out = new DataOutputStream(outToServer);
+
+            out.writeUTF(message);
+            InputStream inFromServer = client.getInputStream();
+
+            DataInputStream in = new DataInputStream(inFromServer);
+            System.out.println("Server says " + in.readUTF());
+            client.close();
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+        this.serverName = serverName;
+        this.port = port;
+    }
+
+}