New to gui
Hi,
I'm kinda new to java swing and stuff like that and i have some questions.
I'm programming a game so i need multiple screens:
- one basic screen with: new game, load game, about,...
- second screen to choose your character
- third to show a fight
How could i do that. My StartUp class makes a domaincontroller object and passes this through to my startFrame.
Then in my startFrame ( the basic screen) I have made some buttons. For example when you click new game, this code is being executed
//action performed
secondscreenJFrame second =new secondscreenJFrame();
second.setVisible(true);
this.dispose;
Is this the right way to switch to screens or should i use another technique. Anyway it works but i can see the screens switching (sort of flash) and I don't like that.
Final question: how can I program that my new screen is displayed at the position of the previous screen? So I don't have to drag it at the previous position all the time.
Greetz Daan.
[1154 byte] By [
D-a-a-na] at [2007-11-27 2:27:09]
# 4
> I want 3 screens as described before.
> Which layout suits most
generally, no single layout suits most - depends on what you're trying to do.
often this means nested layouts - each with a different feature.
> and how do I manage the different screens.
if you want your game to return to the main screen for 'new game',
then 'select a character', a cardlayout would be a good solution, where you just
cardlayout.show([the appropriate screen]);
if the new/load and character screens are not to be reused, something along
these lines is one of the ways (code is rough)
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
class Testing
{
JFrame f = new JFrame();
public void buildGUI()
{
final StartPanel startPanel = new StartPanel();
f.setTitle("Start New Game or Load Game?");
f.setLayout(new GridBagLayout());
f.getContentPane().add(startPanel,new GridBagConstraints());
f.setSize(400,300);
f.setLocationRelativeTo(null);
f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
f.setVisible(true);
startPanel.rbNew.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent ae){
final CharacterPanel characterPanel = new CharacterPanel();
f.remove(startPanel);
f.getContentPane().add(characterPanel,new GridBagConstraints());
f.validate();
f.repaint();
characterPanel.rbChar1.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent ae){
setGamePanel(characterPanel,characterPanel.rbChar1.getText());
}
});
characterPanel.rbChar2.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent ae){
setGamePanel(characterPanel,characterPanel.rbChar2.getText());
}
});
}
});
startPanel.rbLoad.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent ae){
setGamePanel(startPanel,"Arnie Schwarzenegger");
}
});
}
class StartPanel extends JPanel
{
JRadioButton rbNew = new JRadioButton("New Game");
JRadioButton rbLoad = new JRadioButton("Load Game");
public StartPanel()
{
setLayout(new GridLayout(2,1));
ButtonGroup group = new ButtonGroup();
group.add(rbNew); group.add(rbLoad);
add(rbNew);
add(rbLoad);
}
}
class CharacterPanel extends JPanel
{
JRadioButton rbChar1 = new JRadioButton("The Hulk");
JRadioButton rbChar2 = new JRadioButton("The Rock");
public CharacterPanel()
{
f.setTitle("Select a Character");
setLayout(new GridLayout(2,1));
ButtonGroup group = new ButtonGroup();
group.add(rbChar1); group.add(rbChar2);
add(rbChar1);
add(rbChar2);
}
}
class GamePanel extends JPanel
{
public GamePanel(String character)
{
f.setTitle("Start Fighting");
setLayout(new GridLayout(2,1));
JLabel label = new JLabel("Fight in Progress",JLabel.CENTER);
label.setFont(label.getFont().deriveFont(24f));
add(label);
add(new JLabel("Your character is: "+character));
}
}
public void setGamePanel(JPanel oldPanel,String character)
{
GamePanel gamePanel = new GamePanel(character);
f.remove(oldPanel);
f.getContentPane().add(gamePanel,new GridBagConstraints());
f.validate();
f.repaint();
}
public static void main(String[] args)
{
SwingUtilities.invokeLater(new Runnable(){
public void run(){
new Testing().buildGUI();
}
});
}
}
