ButtonGroupController.java

/* 
 * Copyright (C) 2014 GG-Net GmbH - Oliver Günther
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package eu.ggnet.dwoss.receipt.product;

import javax.swing.JRadioButton;

/**
 *
 * @author oliver.guenther
 */
public class ButtonGroupController<T> {

    private JRadioButton b1;

    private JRadioButton b2;

    private T t1;

    private T t2;

    public ButtonGroupController(JRadioButton b1, JRadioButton b2, T t1, T t2) {
        this.b1 = b1;
        this.b2 = b2;
        this.t1 = t1;
        this.t2 = t2;
        b1.setSelected(true);
    }

    public void setSelected(T t) {
        if ( t == null ) return;
        if ( t.equals(t1) ) b1.setSelected(true);
        if ( t.equals(t2) ) b2.setSelected(true);
    }

    public T getSelected() {
        if ( b1.isSelected() ) return t1;
        if ( b2.isSelected() ) return t2;
        throw new RuntimeException("No selection, should never happen.");
    }
}