Main.java Source code

Introduction

Here is the source code for Main.java

Source

import java.awt.Component;
import java.awt.event.ActionEvent;

import javax.swing.AbstractAction;
import javax.swing.Action;
import javax.swing.JButton;
import javax.swing.JComponent;
import javax.swing.KeyStroke;

public class Main {
    public static void main(String[] argv) {
        JButton component = new JButton();
        PrevFocusAction prevFocusAction = new PrevFocusAction();
        component.getInputMap(JComponent.WHEN_FOCUSED).put(KeyStroke.getKeyStroke("shift F2"),
                prevFocusAction.getValue(Action.NAME));
        component.getInputMap(JComponent.WHEN_FOCUSED).put(KeyStroke.getKeyStroke("shift SPACE"),
                prevFocusAction.getValue(Action.NAME));
        component.getActionMap().put(prevFocusAction.getValue(Action.NAME), prevFocusAction);
    }
}

class PrevFocusAction extends AbstractAction {
    PrevFocusAction() {
        super("Move Focus Backwards");
    }

    public void actionPerformed(ActionEvent evt) {
        ((Component) evt.getSource()).transferFocusBackward();
    }
}