Display.java

import java.io.IOException;
import java.util.Observable;
import java.util.Observer;

public class Display extends javax.swing.JFrame implements Observer {

    /**
     * Creates new form Display
     */
    public Display() {
        initComponents();
        
    }

    /**
     * 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.
     */
    @SuppressWarnings("unchecked")
    // <editor-fold defaultstate="collapsed" desc="Generated Code">                          
    private void initComponents() {

        jScrollBar1 = new javax.swing.JScrollBar();
        jPasswordField1 = new javax.swing.JPasswordField();
        jPanel1 = new javax.swing.JPanel();
        messageBar = new javax.swing.JTextField();
        sendButton = new javax.swing.JButton();
        jScrollPane1 = new javax.swing.JScrollPane();
        chatField = new javax.swing.JTextArea();
        jScrollPane2 = new javax.swing.JScrollPane();
        userListField = new javax.swing.JTextArea();
        onlineUsersLabel = new javax.swing.JTextField();
        chatHistoryLabel = new javax.swing.JTextField();
        jLabel1 = new javax.swing.JLabel();
        displayUsername = new javax.swing.JTextField();

        jPasswordField1.setText("jPasswordField1");

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
        setTitle("Komodo");
        setBackground(new java.awt.Color(175, 238, 213));
        setBounds(new java.awt.Rectangle(0, 0, 0, 0));
        setCursor(new java.awt.Cursor(java.awt.Cursor.DEFAULT_CURSOR));

        jPanel1.setBackground(new java.awt.Color(175, 238, 213));

        messageBar.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                messageBarActionPerformed(evt);
            }
        });

        sendButton.setText("Send");
        sendButton.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                sendButtonActionPerformed(evt);
            }
        });

        chatField.setEditable(false);
        chatField.setColumns(20);
        chatField.setRows(5);
        jScrollPane1.setViewportView(chatField);

        jScrollPane2.setHorizontalScrollBarPolicy(javax.swing.ScrollPaneConstants.HORIZONTAL_SCROLLBAR_NEVER);

        userListField.setEditable(false);
        userListField.setColumns(20);
        userListField.setRows(5);
        jScrollPane2.setViewportView(userListField);

        onlineUsersLabel.setEditable(false);
        onlineUsersLabel.setBackground(new java.awt.Color(175, 238, 213));
        onlineUsersLabel.setFont(new java.awt.Font("Calibri", 0, 16)); // NOI18N
        onlineUsersLabel.setHorizontalAlignment(javax.swing.JTextField.CENTER);
        onlineUsersLabel.setText("Online Users");
        onlineUsersLabel.setBorder(null);
        onlineUsersLabel.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                onlineUsersLabelActionPerformed(evt);
            }
        });

        chatHistoryLabel.setEditable(false);
        chatHistoryLabel.setBackground(new java.awt.Color(175, 238, 213));
        chatHistoryLabel.setFont(new java.awt.Font("Calibri", 0, 16)); // NOI18N
        chatHistoryLabel.setHorizontalAlignment(javax.swing.JTextField.CENTER);
        chatHistoryLabel.setText("Chat History");
        chatHistoryLabel.setBorder(null);
        chatHistoryLabel.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                chatHistoryLabelActionPerformed(evt);
            }
        });

        jLabel1.setIcon(new javax.swing.ImageIcon("./FINALKOMLOGOEVER.png")); // NOI18N

        displayUsername.setEditable(false);
        displayUsername.setBackground(new java.awt.Color(118, 211, 180));
        displayUsername.setFont(new java.awt.Font("Calibri", 2, 16)); // NOI18N
        displayUsername.setHorizontalAlignment(javax.swing.JTextField.CENTER);
        displayUsername.setText("");
        displayUsername.setBorder(null);
        displayUsername.setOpaque(true);

        javax.swing.GroupLayout jPanel1Layout = new javax.swing.GroupLayout(jPanel1);
        jPanel1.setLayout(jPanel1Layout);
        jPanel1Layout.setHorizontalGroup(
            jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(jPanel1Layout.createSequentialGroup()
                .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addGroup(jPanel1Layout.createSequentialGroup()
                        .addComponent(onlineUsersLabel, javax.swing.GroupLayout.PREFERRED_SIZE, 140, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addGap(55, 55, 55)
                        .addComponent(chatHistoryLabel, javax.swing.GroupLayout.PREFERRED_SIZE, 317, javax.swing.GroupLayout.PREFERRED_SIZE))
                    .addGroup(jPanel1Layout.createSequentialGroup()
                        .addGap(16, 16, 16)
                        .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                            .addGroup(jPanel1Layout.createSequentialGroup()
                                .addComponent(messageBar, javax.swing.GroupLayout.PREFERRED_SIZE, 489, javax.swing.GroupLayout.PREFERRED_SIZE)
                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                .addComponent(sendButton))
                            .addGroup(jPanel1Layout.createSequentialGroup()
                                .addComponent(jScrollPane2, javax.swing.GroupLayout.PREFERRED_SIZE, 107, javax.swing.GroupLayout.PREFERRED_SIZE)
                                .addGap(18, 18, 18)
                                .addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 434, javax.swing.GroupLayout.PREFERRED_SIZE)))))
                .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
            .addGroup(jPanel1Layout.createSequentialGroup()
                .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING, false)
                    .addComponent(displayUsername, javax.swing.GroupLayout.Alignment.LEADING)
                    .addComponent(jLabel1, javax.swing.GroupLayout.Alignment.LEADING, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
                .addGap(0, 0, Short.MAX_VALUE))
        );
        jPanel1Layout.setVerticalGroup(
            jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, jPanel1Layout.createSequentialGroup()
                .addComponent(jLabel1, javax.swing.GroupLayout.PREFERRED_SIZE, 115, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addGap(21, 21, 21)
                .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(chatHistoryLabel, javax.swing.GroupLayout.PREFERRED_SIZE, 15, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(onlineUsersLabel, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
                    .addComponent(jScrollPane1, javax.swing.GroupLayout.DEFAULT_SIZE, 356, Short.MAX_VALUE)
                    .addComponent(jScrollPane2))
                .addGap(21, 21, 21)
                .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(messageBar, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(sendButton))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
                .addComponent(displayUsername, javax.swing.GroupLayout.PREFERRED_SIZE, 46, javax.swing.GroupLayout.PREFERRED_SIZE))
        );

        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addComponent(jPanel1, javax.swing.GroupLayout.Alignment.TRAILING, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addComponent(jPanel1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
        );

        pack();
    }// </editor-fold>                        

    private void chatHistoryLabelActionPerformed(java.awt.event.ActionEvent evt) {                                                 
        // TODO add your handling code here:
    }                                                

    private void onlineUsersLabelActionPerformed(java.awt.event.ActionEvent evt) {                                                 
        // TODO add your handling code here:
    }                                                

    private void sendButtonActionPerformed(java.awt.event.ActionEvent evt) {                                           
        //Sends data to client output stream
        String message = messageBar.getText();
        try {
            ChatClient.out.write(message);
            ChatClient.out.newLine();
            ChatClient.out.flush();
        } catch (IOException e) {
            e.printStackTrace();
        }
        
        messageBar.setText("");

    }                                          

    private void messageBarActionPerformed(java.awt.event.ActionEvent evt) {                                           
        // TODO add your handling code here:
    }                                          

    /**
     * @param args the command line arguments
     */
    public static void main(String args[]) {
        /* Set the Nimbus look and feel */
        //<editor-fold defaultstate="collapsed" desc=" Look and feel setting code (optional) ">
        /* If Nimbus (introduced in Java SE 6) is not available, stay with the default look and feel.
         * For details see http://download.oracle.com/javase/tutorial/uiswing/lookandfeel/plaf.html 
         */
        try {
            for (javax.swing.UIManager.LookAndFeelInfo info : javax.swing.UIManager.getInstalledLookAndFeels()) {
                if ("Nimbus".equals(info.getName())) {
                    javax.swing.UIManager.setLookAndFeel(info.getClassName());
                    break;
                }
            }
        } catch (ClassNotFoundException ex) {
            java.util.logging.Logger.getLogger(Display.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (InstantiationException ex) {
            java.util.logging.Logger.getLogger(Display.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (IllegalAccessException ex) {
            java.util.logging.Logger.getLogger(Display.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (javax.swing.UnsupportedLookAndFeelException ex) {
            java.util.logging.Logger.getLogger(Display.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        }
        //</editor-fold>

        /* Create and display the form */
        java.awt.EventQueue.invokeLater(new Runnable() {
            public void run() {
                new Display().setVisible(true);
            }
        });
    }

    // Variables declaration - do not modify                     
    public static javax.swing.JTextArea chatField;
    public static javax.swing.JTextField chatHistoryLabel;
    public static javax.swing.JTextField displayUsername;
    private javax.swing.JLabel jLabel1;
    private javax.swing.JPanel jPanel1;
    private javax.swing.JPasswordField jPasswordField1;
    private javax.swing.JScrollBar jScrollBar1;
    private javax.swing.JScrollPane jScrollPane1;
    private javax.swing.JScrollPane jScrollPane2;
    private javax.swing.JTextField messageBar;
    private javax.swing.JTextField onlineUsersLabel;
    private javax.swing.JButton sendButton;
    public static javax.swing.JTextArea userListField;
    // End of variables declaration                   
	@Override
	public void update(Observable o, Object arg) {
		// TODO Auto-generated method stub
		
	}
}