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ophe
Almost a full-blooded keyboard-warrior
Medlem
Forum Posts: 173
Member Since:
July 30, 2003
July 30, 2003
Offline
Här är ett början på en chatclient jag håller på att programmera. Hur gör jag för att den stora textrutan (window) ska bli scrollbar?
import java.io.*;
import java.lang.*;
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
public class Server1 extends JFrame implements ActionListener{
JTextField name = new JTextField(20);
JTextField input = new JTextField(50);
JLabel greeting = new JLabel("Enter your nickname");
JTextArea window = new JTextArea(10,50);
public Server1() { //Kontruktor
Container content=getContentPane();
content.setLayout(new BorderLayout());
JPanel content2 = new JPanel();
content2.setLayout(new FlowLayout());
content2.add(greeting);
content2.add(name);
content.add(content2, "North");
content.add(window,"Center");
content.add(input, "South");
greeting.setHorizontalAlignment(JLabel.CENTER);
name.addActionListener(this);
input.addActionListener(this);
setDefaultCloseOperation(EXIT_ON_CLOSE);
window.setEditable(false);
window.setVisible(false);
input.setVisible(false);
name.requestFocus();
pack();
setVisible(true);
}
public static void main(String[] args){
Server1 h= new Server1();
}
//lyssnarmetod
public void actionPerformed(ActionEvent e){
if (e.getSource().equals(name)){
if (name.getText().length()>0){
String namn = name.getText();
greeting.setText("Nickname: " + namn);
name.setVisible(false);
window.setVisible(true);
input.setVisible(true);
input.requestFocus();
pack();
window.append("Welcome " + namn + "!" + "n");
}
} else if (e.getSource().equals(input)){
if (input.getText().length()>0){
window.append(name.getText()+ "> "+ input.getText() + "n");
input.setText("");
}
}
}
}
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