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Ghost12345

Sun May 13, 2007 10:01 am


Help With GUI

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Hi, sorry ima noob... but can someone help me with adding a List on the right side of my chat window? Currently doing an ISU for my Java course.. Thanks.

package components;

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;

public class ChatWindow extends JPanel implements ActionListener {
    protected JTextField textField;
    protected JTextArea textArea;
    private final static String newline = "\n";

    public ChatWindow() {
        super(new GridBagLayout());

        textArea = new JTextArea(25, 60);
        textArea.setEditable(false);
        JScrollPane scrollPane = new JScrollPane(textArea,
                                       JScrollPane.VERTICAL_SCROLLBAR_ALWAYS,
                                       JScrollPane.HORIZONTAL_SCROLLBAR_ALWAYS);
                                       
        textField = new JTextField(20);
        textField.addActionListener(this);
                                  

        GridBagConstraints c = new GridBagConstraints();
        c.gridwidth = GridBagConstraints.REMAINDER;

        c.fill = GridBagConstraints.BOTH;
        c.weightx = 1.0;
        c.weighty = 1.0;
        add(scrollPane, c);
        
        c.fill = GridBagConstraints.HORIZONTAL;
        add(textField, c);
        
    }

    public void actionPerformed(ActionEvent evt) {
        String text = textField.getText();
        textArea.append(text + newline);
        textField.selectAll();

        textArea.setCaretPosition(textArea.getDocument().getLength());
    }

    /**
     * Create the GUI and show it.  
     */
    private static void createAndShowGUI() {
        JFrame frame = new JFrame("TextDemo");
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

        frame.add(new TextDemo());

        frame.pack();
        frame.setVisible(true);
    }

    public static void main(String[] args) {
        javax.swing.SwingUtilities.invokeLater(new Runnable() {
            public void run() {
                createAndShowGUI();
            }
        });
    }
}