Creating a SpinnerListModel That Loops Through Its Values : JSpinner « Swing « Java Tutorial






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);
  }
}








14.33.JSpinner
14.33.1.Creating JSpinner Components
14.33.2.Creating an Hour JSpinner Component
14.33.3.Creating a JSpinner Component: A number spinner:
14.33.4.Using SpinnerDateModel to create JSpinner
14.33.5.SpinnerListModel Class: provides for selection from a list of entries, or at least their string representation.
14.33.6.SpinnerNumberModel Class: provides for the selection of a number from an open or closed range of values.
14.33.7.Strings based SpinnerStrings based Spinner
14.33.8.Listening for Changes to the Value in a JSpinner Component
14.33.9.Listening for JSpinner Events with a ChangeListenerListening for JSpinner Events with a ChangeListener
14.33.10.Spinner Date DataSpinner Date Data
14.33.11.Spinner Number ModelSpinner Number Model
14.33.12.public SpinnerDateModel(Date value, Comparable start, Comparable end, int calendarField)public SpinnerDateModel(Date value, Comparable start, Comparable end, int calendarField)
14.33.13.Custom ModelsCustom Models
14.33.14.Use an Icon Editor for use with the JSpinner component
14.33.15.public JSpinner.DateEditor(JSpinner spinner)public JSpinner.DateEditor(JSpinner spinner)
14.33.16.public JSpinner.DateEditor(JSpinner spinner, String dateFormatPattern)public JSpinner.DateEditor(JSpinner spinner, String dateFormatPattern)
14.33.17.public JSpinner.NumberEditor(JSpinner spinner)public JSpinner.NumberEditor(JSpinner spinner)
14.33.18.public JSpinner.NumberEditor(JSpinner spinner, String decimalFormatPattern)public JSpinner.NumberEditor(JSpinner spinner, String decimalFormatPattern)
14.33.19.Creating Custom Spinner Models and EditorsCreating Custom Spinner Models and Editors
14.33.20.A list spinner
14.33.21.A date spinner
14.33.22.A spinner of dates
14.33.23.Number spinner
14.33.24.Implements a custom model and a custom editor for a spinner that displays shades of grayImplements a custom model and a custom editor for a spinner that displays shades of gray
14.33.25.Setting the Margin Space on a JSpinner Component
14.33.26.Creating a SpinnerListModel That Loops Through Its Values
14.33.27.Limiting the Values in a Number JSpinner Component
14.33.28.Disabling Keyboard Editing in a JSpinner Component
14.33.29.Customizing the Editor in a JSpinner Component: Create a color spinner
14.33.30.Customizing a JSpinner Look and Feel