Box

/*
* This example is from javareference.com
* for more information visit,
* http://www.javareference.com
*/

//import statements
import java.awt.FlowLayout;
import java.awt.GridLayout;
import javax.swing.*;
import java.util.*;

/**
* SpinnerFrame.java
* The Frame adding three different types of
* Spinner Components
*
* @author Rahul Sapkal([email removido])
*/
public class SpinnerFrame extends JFrame
{
    private JSpinner m_listSpinner;
    private JSpinner m_numberSpinner;
    private JSpinner m_dateSpinner;
    
    private SpinnerListModel m_listSpinnerModel;
    private SpinnerNumberModel m_numberSpinnerModel;
    private SpinnerDateModel m_dateSpinnerModel;
    
    //constructor
    public SpinnerFrame()
    {
        super("JSpinner Demonstration");
        
        //creating the list spinner
        createListSpinner();

        //creating the number spinner
        createNumberSpinner();
        
        //creating the date spinner
        createDateSpinner();
        
        //adding Spinners to the frame
        this.getContentPane().setLayout(new FlowLayout());
        
        JPanel spinnerPanel = new JPanel(new GridLayout(3, 1, 5, 5));
        spinnerPanel.add(m_listSpinner);
        spinnerPanel.add(m_numberSpinner);
        spinnerPanel.add(m_dateSpinner);
        
        this.getContentPane().add(spinnerPanel);
    }    
    
    private void createNumberSpinner()
    {
        //current value
        Double current = new Double(5.50);
        
        //Min value
        Double min = new Double(0.00);
        
        //Max value
        Double max = new Double(10.00);
        
        //Step value
        Double step = new Double(0.25);
        
        //creating the number spinner model
        m_numberSpinnerModel = new SpinnerNumberModel(current, min, max, step);
        
        //creating the number spinner
        m_numberSpinner = new JSpinner(m_numberSpinnerModel);    
    }
    
    private void createDateSpinner()
    {
        Calendar rightNow = Calendar.getInstance();
        
        //current date
        Date current = rightNow.getTime();
        
        //Start date, yesterday, same time
        rightNow.set(Calendar.HOUR_OF_DAY, -24);
        Date start = rightNow.getTime();
        
        //End date, tomorrow, same time
        rightNow.set(Calendar.HOUR_OF_DAY, 48);
        Date end = rightNow.getTime();
        
        //Step value, in this case Hour
        int step = Calendar.HOUR_OF_DAY;
        
        //creating the date spinner model
        m_dateSpinnerModel = new SpinnerDateModel(current, start, end, step);
        
        //creating the date spinner
        m_dateSpinner = new JSpinner(m_dateSpinnerModel);
    }
    
    private void createListSpinner()
    {
        //Creating ordered sequence list
        List sequence = new ArrayList();
        
        sequence.add(new String("I - First"));
        sequence.add(new String("II - Second"));
        sequence.add(new String("III - Third"));
        sequence.add(new String("IV - Fourth"));
        sequence.add(new String("V - Fifth"));
        sequence.add(new String("VI - Sixth"));
        
        //creating the list spinner model
        m_listSpinnerModel = new SpinnerListModel(sequence);
        
        //creating the list spinner
        m_listSpinner = new JSpinner(m_listSpinnerModel);
    }
    
    public static void main(String argv[])
    {
        SpinnerFrame spinnerFrame = new SpinnerFrame();
        spinnerFrame.setSize(350, 200);
        spinnerFrame.setVisible(true);
    }
}

spinner.setValor(VALOR_MAXIMO - valorDoOutroSpinner)