A spinner that rolls from the end of a list to beginning : List « Swing JFC « Java

1. Java
2. Swing JFC
3. List

A spinner that rolls from the end of a list to beginning

 
 
import java.util.List;

import javax.swing.SpinnerListModel;

public class RolloverSpinnerListModel extends SpinnerListModel {

  public RolloverSpinnerListModel(Object[] items) {
    super(items);
  }

  public RolloverSpinnerListModel(List items) {
    super(items);
  }

  public Object getNextValue() {
    Object nv = super.getNextValue();
    if (nv != null) {
      return nv;
    }
    return getList().get(0);
  }

  public Object getPreviousValue() {
    Object pv = super.getPreviousValue();
    if (pv != null) {
      return pv;
    }
    List l = getList();
    return l.get(l.size() - 1);
  }
}

   
  

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