package com.onaro.util.jfc;

import javax.swing.AbstractButton;
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;
import java.util.Arrays;
import java.util.List;

/**
 * This class makes sure that only one button of the group will be selected.
 * It is needed to support unselecting of all the buttons, which is not supported by radio buttons
 */
public class ButtonSelectionMutex implements ItemListener {
    private List<AbstractButton> buttons;


    public ButtonSelectionMutex(AbstractButton ... buttons) {
        this.buttons = Arrays.asList(buttons);
        for (AbstractButton button : buttons) {
            button.addItemListener(this);
        }
    }

    public void itemStateChanged(ItemEvent e) {
        if (e.getStateChange() == ItemEvent.SELECTED) {
            for (AbstractButton button : buttons) {
                if(button != e.getSource()){
                    button.setSelected(false);
                }
            }
        }
    }
}