Java: Problème à l'aide de setText() la méthode avec Bouton

Je suis débutant en java et je suis en train de remplacer le texte sur un Bouton, je l'ai créé. Le code de ma classe principale est comme suit:

import java.applet.*;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.lang.*;
public class TeamProject extends Applet implements ActionListener, MouseListener
{
char[][] charValues = new char[10][10];
Table aTable;
boolean allowUserInput = false;
Button BtnStart;
Button randomChangeBtn;
boolean guessMode;
private AudioClip[] sounds = new AudioClip[5];
private int counter = 0;
//JSObject jso;
public void init()
{
//setup buttons
BtnStart = new Button("add row/column");
BtnStart.addActionListener((ActionListener)this);   //cast
randomChangeBtn = new Button("change one value");
randomChangeBtn.addActionListener((ActionListener)this);
//add button
this.add(BtnStart);
//add image to Image objects
Image imgO = getImage(getCodeBase(), "images/not.gif");
Image imgX= getImage(getCodeBase(), "images/cross.gif");
//setup table
aTable = new Table(100, 100, 75, 55, 5, 5, imgX, imgO);
//setBackground(Color.LIGHT_GRAY);
super.resize(700, 700);
//add mouse listener
addMouseListener(this);
//initially guessMode will be false
guessMode = false;
//to talk to javascript
//jso = JSObject.getWindow(this);
sounds[0] = getAudioClip (getCodeBase(), "images/buzzthruloud.wav");
sounds[1] = getAudioClip (getCodeBase(), "images/inconceivable4.wav");
sounds[2] = getAudioClip (getCodeBase(), "images/foghorn.wav");
sounds[3] = getAudioClip (getCodeBase(), "images/waiting.wav");
sounds[4] = getAudioClip (getCodeBase(), "images/whistldn.wav");
}
public void paint(Graphics g)
{
g.setColor(Color.black);
aTable.draw(g);
}
//Mouse listener methods
public void mousePressed (MouseEvent e)
{
if(!guessMode){
if ((allowUserInput)){
aTable.swapSquareValue(e.getX(), e.getY());
repaint();
}
}
else{
System.out.println("guessed row = " + e.getY() + " guessed col = " + e.getX());
if(aTable.checkGuess(e.getX(), e.getY())){
int n = JOptionPane.showConfirmDialog(null, "Excellent!! Would you like to progress to next level",
"Correct!!!", JOptionPane.YES_NO_OPTION);
if (n == JOpionPane.YES_OPTION) {
}
else{
JOptionPane.showMessageDialog(null, "Nope", "alert", JOptionPane.INFORMATION_MESSAGE);
sounds[counter].play();
}
//repaint();
}
}
public void mouseClicked (MouseEvent e) {}
public void mouseEntered (MouseEvent e) {}
public void mouseReleased (MouseEvent e) {}
public void mouseExited (MouseEvent e) {}
//Button action listener
public void actionPerformed(ActionEvent e)
{
if (e.getSource() == BtnStart) {
aTable.addRow();
aTable.addColumn();
BtnStart.setText("Roseindia.net");
//this.remove(BtnStart);
//this.add(randomChangeBtn);
super.resize(700, 700);
repaint();
}
else if (e.getSource() == randomChangeBtn) {
aTable.randomChangeFunc();
repaint();
guessMode = true;
}
allowUserInput = true;
System.out.println(aTable.toString());
}
}

Je suis en train de modifier le texte dans mon actionPerformed(ActionEvent e) de la méthode. Comme je l'ai dit, je suis nouvelle, donc, soyez doux. Merci 🙂

  • Il y a trop d'étrangers de code dans votre exemple, et c'est mal formaté. Merci de créer un simple cas de test qui montre le problème!
InformationsquelleAutor danwoods | 2009-10-26