Method to Reset Buttons?

Question

In my program, I have 12 different toggle buttons that will need to be reset at the same time. Instead of writing

buttonOne.setText("");
buttonOne.setSelected(false);
buttonOne.setEnabled(true);

over and over for 12 different toggle buttons, is there a way to do this in a method by passing parameters? I've only recently started java and i've never used parameter declarations that aren't strings or ints, so I was not sure if there would be a way to do it with a toggle button.

score 4 · Answer 1 · edited May 22 '17 at 14:56

4

You could pass the button in as a parameter to a new method, and call your methods on that parameter

private void toggleButton(JToggleButton button) {
    button.setText("");
    button.setSelected(false);
    button.setEnabled(true);
}

// ...

toggleButton(buttonOne);
toggleButton(buttonTwo);
...

edited May 22 '17 at 14:56

Youcef LAIDANI

55,661
15
90
140

answered May 22 '17 at 13:16

drvdijk

5,556
2
29
48

Thank you, but for some reason I'm getting an error that says it's an invalid method declaration and a return type is required. Would you possibly know why? – quinny May 22 '17 at 13:34
@quinny you method should take a `JButton` not `Button` and do not return any thing – Youcef LAIDANI May 22 '17 at 13:40
@YCF_L JButton has now given me the "cannot find symbol" error – quinny May 22 '17 at 14:29
@quinny you have to use `JToggleButton` in place of `JButton` – Youcef LAIDANI May 22 '17 at 14:57

score 3 · Answer 2 · answered May 22 '17 at 13:17

3

If You want to trigger all those buttons at once then you can put those buttons in a list and do:

for (JButton button : myListOfButtons) {
     button.setText("");
     button.setSelected(false);
     button.setEnabled(true);
}

answered May 22 '17 at 13:17

ΦXocę 웃 Пepeúpa ツ

47,427
17
69
97

score 3 · Answer 3 · answered May 22 '17 at 13:26

If you want to reset all Buttons in your panel or fram you can use call this method:

private void clearAllFields() {

    for (Component C : myPanel.getComponents()) {

        if (C instanceof JButton) {
            ((JButton) C).setText("");
            ((JButton) C).setEnabled(true);
            ...
        }
    }
}

Witch will loop throw all the component and check if it is instance of JButton and reset to the default values.

The good thing in this way, that you can use many component consider you want to reset also JTextFields or any components you can just use :

private void clearAllFields() {

    for (Component C : myPanel.getComponents()) {
        if (C instanceof JButton || C instanceof JTextField) {
            ((JTextField) C).setText("");
            ...
        }

        if (C instanceof JButton) {
            ((JButton) C).setText("");
            ((JButton) C).setEnabled(true);
            ...
        }

        if (C instanceof JRadioButton) {
            ((JRadioButton) C).setSelected(false);
            ...
        }

        if (C instanceof JDateChooser) {
            ((JDateChooser) C).setDate(null);
            ....
        }
    }
}

Method to Reset Buttons?

3 Answers3