Java by API/javax.swing/JSpinner

JSpinner: addChangeListener(ChangeListener lis)

 
import java.awt.BorderLayout;
import javax.swing.JFrame;
import javax.swing.JSpinner;
import javax.swing.SpinnerModel;
import javax.swing.SpinnerNumberModel;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;
public class MainClass {
  public static void main(final String args[]) {
    JFrame frame = new JFrame("JSpinner Dates");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    ChangeListener listener = new ChangeListener() {
      public void stateChanged(ChangeEvent e) {
        System.out.println("Source: " + e.getSource());
      }
    };
    SpinnerModel model3 = new SpinnerNumberModel();
    JSpinner spinner3 = new JSpinner(model3);
    spinner3.addChangeListener(listener);
    frame.add(spinner3, BorderLayout.SOUTH);
    frame.setSize(200, 90);
    frame.setVisible(true);
  }
}

JSpinner: getModel()

 
    
/*
 *
 * Copyright (c) 1998 Sun Microsystems, Inc. All Rights Reserved.
 *
 * Sun grants you ("Licensee") a non-exclusive, royalty free, license to use,
 * modify and redistribute this software in source and binary code form,
 * provided that i) this copyright notice and license appear on all copies of
 * the software; and ii) Licensee does not utilize the software in a manner
 * which is disparaging to Sun.
 *
 * This software is provided "AS IS," without a warranty of any kind. ALL
 * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, INCLUDING ANY
 * IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR
 * NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN AND ITS LICENSORS SHALL NOT BE
 * LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING
 * OR DISTRIBUTING THE SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR ITS
 * LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR DIRECT,
 * INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER
 * CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, ARISING OUT OF THE USE OF
 * OR INABILITY TO USE SOFTWARE, EVEN IF SUN HAS BEEN ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGES.
 *
 * This software is not designed or intended for use in on-line control of
 * aircraft, air traffic, aircraft navigation or aircraft communications; or in
 * the design, construction, operation or maintenance of any nuclear
 * facility. Licensee represents and warrants that it will not use or
 * redistribute the Software for such purposes.
 */    
    
import java.awt.Color;
import java.awt.Dimension;
import javax.swing.JComponent;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JSpinner;
import javax.swing.SpinnerNumberModel;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;
class GrayModel extends SpinnerNumberModel {
  public GrayModel(int value) {
    super(value, 0, 255, 5);
  }
  public int getIntValue() {
    Integer myValue = (Integer) getValue();
    return myValue.intValue();
  }
  public Color getColor() {
    int intValue = getIntValue();
    return new Color(intValue, intValue, intValue);
  }
}
class GrayEditor extends JLabel implements ChangeListener {
  public GrayEditor(JSpinner spinner) {
    setOpaque(true);
    // Get info from the model.
    GrayModel myModel = (GrayModel) (spinner.getModel());
    setBackground(myModel.getColor());
    spinner.addChangeListener(this);
    // Set tool tip text.
    updateToolTipText(spinner);
    // Set size info.
    Dimension size = new Dimension(60, 15);
    setMinimumSize(size);
    setPreferredSize(size);
  }
  protected void updateToolTipText(JSpinner spinner) {
    String toolTipText = spinner.getToolTipText();
    if (toolTipText != null) {
      // JSpinner has tool tip text. Use it.
      if (!toolTipText.equals(getToolTipText())) {
        setToolTipText(toolTipText);
      }
    } else {
      // Define our own tool tip text.
      GrayModel myModel = (GrayModel) (spinner.getModel());
      int rgb = myModel.getIntValue();
      setToolTipText("(" + rgb + "," + rgb + "," + rgb + ")");
    }
  }
  public void stateChanged(ChangeEvent e) {
    JSpinner mySpinner = (JSpinner) (e.getSource());
    GrayModel myModel = (GrayModel) (mySpinner.getModel());
    setBackground(myModel.getColor());
    updateToolTipText(mySpinner);
  }
}
public class Main extends JPanel {
  public static void main(String[] args) {
    JFrame frame = new JFrame("SpinnerDemo4");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    JComponent newContentPane = new Main();
    newContentPane.setOpaque(true);
    frame.setContentPane(newContentPane);
    frame.add(new JLabel("Shade of Gray:"), "North");
    frame.add(new JSpinner(new GrayModel(170)));
    frame.pack();
    frame.setVisible(true);
  }
}

JSpinner.NumberEditor.NumberEditor(JSpinner spinner)

 

import java.awt.BorderLayout;
import javax.swing.JComponent;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JSpinner;
import javax.swing.SpinnerModel;
import javax.swing.SpinnerNumberModel;

public class Main {
  public static void main(String args[]) {
    JFrame frame = new JFrame("JSpinner Sample");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    SpinnerModel model = new SpinnerNumberModel(50, 0, 100, .25);
    JSpinner spinner = new JSpinner(model);
    JComponent editor = new JSpinner.NumberEditor(spinner);
    spinner.setEditor(editor);
    
    JPanel panel1 = new JPanel(new BorderLayout());
    panel1.add(spinner, BorderLayout.CENTER);
    frame.add(panel1, BorderLayout.SOUTH);
 
    frame.setSize(200, 90);
    frame.setVisible(true);
  }
}

JSpinner: setEditor(JComponent editor)

 
import java.awt.Container;
import java.awt.GridLayout;
import javax.swing.Icon;
import javax.swing.ImageIcon;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JSpinner;
import javax.swing.SpinnerListModel;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;
public class MainClass extends JFrame {
  public MainClass() {
    super("JSpinner Icon Test");
    setSize(300, 80);
    setDefaultCloseOperation(EXIT_ON_CLOSE);
    Container c = getContentPane();
    c.setLayout(new GridLayout(0, 2));
    Icon nums[] = new Icon[] { new ImageIcon("1.gif"), new ImageIcon("2.gif"),
        new ImageIcon("3.gif"), new ImageIcon("4.gif"), new ImageIcon("5.gif"),
        new ImageIcon("6.gif") };
    JSpinner s1 = new JSpinner(new SpinnerListModel(nums));
    s1.setEditor(new IconEditor(s1));
    c.add(new JLabel(" Icon Spinner"));
    c.add(s1);
    setVisible(true);
  }
  public static void main(String args[]) {
    new MainClass();
  }
}
class IconEditor extends JLabel implements ChangeListener {
  JSpinner spinner;
  Icon icon;
  public IconEditor(JSpinner s) {
    super((Icon) s.getValue(), CENTER);
    icon = (Icon) s.getValue();
    spinner = s;
    spinner.addChangeListener(this);
  }
  public void stateChanged(ChangeEvent ce) {
    icon = (Icon) spinner.getValue();
    setIcon(icon);
  }
  public JSpinner getSpinner() {
    return spinner;
  }
  public Icon getIcon() {
    return icon;
  }
}

JSpinner: setValue(Object value)

 

import javax.swing.JSpinner;
public class Main {
  public static void main(String[] argv) throws Exception {
    // Create a number spinner
    JSpinner spinner = new JSpinner();
    // Set its value
    spinner.setValue(new Integer(100));
  }
}

new JSpinner.DateEditor(JSpinner spinner, String dateFormatPattern)

 
import java.awt.Container;
import java.awt.FlowLayout;
import java.util.Calendar;
import java.util.Date;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JSpinner;
import javax.swing.SpinnerDateModel;
public class MainClass extends JFrame {
  public MainClass() {
    super("Month Spinner");
    setSize(200, 100);
    setDefaultCloseOperation(EXIT_ON_CLOSE);
    Container c = getContentPane();
    c.setLayout(new FlowLayout(FlowLayout.LEFT, 4, 4));
    c.add(new JLabel("Expiration Date:"));
    Date today = new Date();
    JSpinner s = new JSpinner(new SpinnerDateModel(today, null, null, Calendar.MONTH));
    JSpinner.DateEditor de = new JSpinner.DateEditor(s, "MM/yy");
    s.setEditor(de);
    c.add(s);
    setVisible(true);
  }
  public static void main(String args[]) {
    new MainClass();
  }
}

new JSpinner(SpinnerModel model1) (SpinnerDateModel)

 
import java.awt.BorderLayout;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JSpinner;
import javax.swing.SpinnerDateModel;
import javax.swing.SpinnerModel;
public class MainClass {
  public static void main(final String args[]) {
    JFrame frame = new JFrame("JSpinner Dates");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    SpinnerModel model1 = new SpinnerDateModel();
    JSpinner spinner1 = new JSpinner(model1);
    JLabel label1 = new JLabel("All");
    JPanel panel1 = new JPanel(new BorderLayout());
    panel1.add(label1, BorderLayout.WEST);
    panel1.add(spinner1, BorderLayout.CENTER);
    frame.add(panel1, BorderLayout.NORTH);
    frame.setSize(200, 90);
    frame.setVisible(true);
  }
}

new JSpinner(SpinnerModel model2)

 
import java.awt.BorderLayout;
import java.text.DateFormatSymbols;
import java.util.Locale;
import javax.swing.JFrame;
import javax.swing.JSpinner;
import javax.swing.SpinnerDateModel;
import javax.swing.SpinnerListModel;
import javax.swing.SpinnerModel;
public class MainClass {
  public static void main(String args[]) {
    JFrame f = new JFrame("JSpinner Sample");
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    DateFormatSymbols symbols = new DateFormatSymbols(Locale.FRENCH);
    String days[] = symbols.getWeekdays();
    SpinnerModel model1 = new SpinnerListModel(days);
    SpinnerModel model2 = new SpinnerDateModel();
    JSpinner spinner1 = new JSpinner(model1);
    JSpinner spinner2 = new JSpinner(model2);
    f.add(spinner1, BorderLayout.NORTH);
    f.add(spinner2, BorderLayout.SOUTH);
    f.setSize(300, 100);
    f.setVisible(true);
  }
}