Main.java Source code

Introduction

Here is the source code for Main.java

Source

import java.util.List;

import javax.swing.JSpinner;
import javax.swing.SpinnerListModel;

public class Main {
    public static void main(String[] argv) throws Exception {
        SpinnerCircularListModel listModel = new SpinnerCircularListModel(new String[] { "red", "green", "blue" });
        JSpinner spinner = new JSpinner(listModel);
    }
}

class SpinnerCircularListModel extends SpinnerListModel {
    public SpinnerCircularListModel(Object[] items) {
        super(items);
    }

    public Object getNextValue() {
        List list = getList();
        int index = list.indexOf(getValue());

        index = (index >= list.size() - 1) ? 0 : index + 1;
        return list.get(index);
    }

    public Object getPreviousValue() {
        List list = getList();
        int index = list.indexOf(getValue());

        index = (index <= 0) ? list.size() - 1 : index - 1;
        return list.get(index);
    }
}