User settings

[3speed]

Greetings,

I am developping a gui application. In my toolbar I would like to have a menu button which opens a frame which prompts user for various "account settings" values and then return them to the main window.

What is the best way to approach this?

I have the following code, but my getter methods are always returning null for some reason

Thanks.






// SAMPLE FROM MAIN CLASS .......
private String username = "";
private String password = "";

JMenuItem miAccountSettings = new JMenuItem("Account Info");
miAccountSettings.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
AccountSettings accountSettings = new AccountSettings();
username = accountSettings.getUsername();
password = accountSettings.getPassword();
}
});
optionsMenu.add(miAccountSettings);


// AccountSettings CLASS
public class AccountSettings implements ActionListener {
private String username;
private String password;
private JTextField txtUser;
private JPasswordField txtPass;
private JButton btnSave;
private JButton btnCancel;
private JFrame f;


public AccountSettings() {
f = new JFrame();
f.setTitle("Account Info");
Toolkit kit = f.getToolkit();
GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment();
GraphicsDevice[] gs = ge.getScreenDevices();
Insets in = kit.getScreenInsets(gs[0].getDefaultConfiguration());

Dimension d = kit.getScreenSize();
int max_width = (d.width - in.left - in.right);
int max_height = (d.height - in.top - in.bottom);
f.setSize(Math.min(max_width, 400), Math.min(max_height, 250));
f.setLocation((int) (max_width - f.getWidth()) / 2, (int) (max_height - f.getHeight() ) / 2);
f.setResizable(false);
f.setVisible(true);

GridLayout fLayout1 = new GridLayout(2, 1);
fLayout1.setColumns(1);
fLayout1.setHgap(5);
fLayout1.setVgap(5);
fLayout1.setRows(2);
f.getContentPane().setLayout(fLayout1);

JPanel rData = new JPanel();
GridBagLayout rDataLayout = new GridBagLayout();
rDataLayout.rowWeights = new double[] {0.1, 0.1, 0.1, 0.1};
rDataLayout.rowHeights = new int[] {7, 7, 7, 7};
rDataLayout.columnWeights = new double[] {0.1, 0.1, 0.1, 0.1};
rDataLayout.columnWidths = new int[] {7, 7, 7, 7};
rData.setLayout(rDataLayout);

JLabel lblUser = new JLabel();
lblUser.setText("Username: ");
rData.add(lblUser, new GridBagConstraints(1, 1, 1, 1, 0.0, 0.0, GridBagConstraints.CENTER, GridBagConstraints.NONE, new Insets(0, 0, 0, 0), 0, 0));

txtUser = new JTextField(10);
txtUser.setBorder(BorderFactory.createLoweredBevel Border());
txtUser.setHorizontalAlignment(JTextField.CENTER);
rData.add(txtUser, new GridBagConstraints(2, 1, 1, 1, 0.0, 0.0, GridBagConstraints.CENTER, GridBagConstraints.NONE, new Insets(0, 0, 0, 0), 0, 0));

JLabel lblPass = new JLabel();
lblPass.setText("Password: ");
rData.add(lblPass, new GridBagConstraints(1, 2, 1, 1, 0.0, 0.0, GridBagConstraints.CENTER, GridBagConstraints.NONE, new Insets(0, 0, 0, 0), 0, 0));

txtPass = new JPasswordField(10);
txtPass.setBorder(BorderFactory.createLoweredBevel Border());
txtPass.setHorizontalAlignment(JTextField.CENTER);
rData.add(txtPass, new GridBagConstraints(2, 2, 1, 1, 0.0, 0.0, GridBagConstraints.CENTER, GridBagConstraints.NONE, new Insets(0, 0, 0, 0), 0, 0));

f.getContentPane().add(rData);

JPanel buttonPanel = new JPanel();
btnSave = new JButton();
btnSave.setText("Save");
btnSave.addActionListener(this);
buttonPanel.add(btnSave);

btnCancel = new JButton();
btnCancel.setText("Cancel");
btnCancel.addActionListener(this);
buttonPanel.add(btnCancel);

f.getContentPane().add(buttonPanel);
}

public String getUsername() {
return username;
}

public String getPassword() {
return password;
}

public void actionPerformed(ActionEvent e) {
if (e.getSource() == btnSave) {
username = txtUser.getText();
password = new String(txtPass.getPassword());
System.out.println("username: " + username);
System.out.println("password: " + password);
f.setVisible(false);
f.dispose();
}

if (e.getSource() == btnCancel) {
f.setVisible(false);
f.dispose();
}
}
}

[Norm]

frame which prompts user for various "account settings" values and then return them to the main window.

Use a custom dialog that gets the values, builds an object with those values and returns that object to the caller.
Usage:
CustomDialog cd = new CustomDialog(...);
ValueObj valObj = cd.getValues();

[3speed]

Thanks Norm,

I will give it try.

[3speed]

would the JDialog preserve the look and feel? or use the system default?

[Norm]

Since its Swing, I think it would be tailorable.

[3speed]

Since its Swing, I think it would be tailorable.

Hi Norm.... try as you suggested and is working. The only issue now is that JDialog does not keep the look and feel.

how can we set the look and feel for a JDialog?

[Norm]

Sorry, not very good at GUI.
Read the API or wait for a GUI guru

[csumanbabu]

yes actually i dont know

[Eranga]

What you mean, what's your question?