I have lots of jTextFields in my application (About 34 jTextFields) and I want all of them select all of their text when get focus and select none of text on focus lost.
Is there any way to do this with one listener or should I write a "FocusGained" and a "FocusLost" for each of these 34 jTextFields?
Thanks
Create a class for this task:
static class FocusTextField extends JTextField {
{
addFocusListener(new FocusListener() {
@Override
public void focusGained(FocusEvent e) {
FocusTextField.this.select(0, getText().length());
}
@Override
public void focusLost(FocusEvent e) {
FocusTextField.this.select(0, 0);
}
});
}
}
Example usage (code below):
public static void main(String[] args) throws Exception {
JFrame frame = new JFrame("Test");
frame.setLayout(new GridLayout(5, 1));
frame.add(new FocusTextField());
frame.add(new FocusTextField());
frame.add(new FocusTextField());
frame.add(new FocusTextField());
frame.add(new FocusTextField());
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.pack();
frame.setVisible(true);
}