package com.mindprod.example;

import com.mindprod.common11.FontFactory;

import javax.swing.JComboBox;
import javax.swing.JFrame;
import javax.swing.SwingUtilities;
import java.awt.Color;
import java.awt.Container;
import java.awt.FlowLayout;
import java.awt.Font;
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;

/**
 * demonstrate the use of javax.swing.JList
 * <p/>
 * composed with IntelliJ IDEA
 *
 * @author Roedy Green, Canadian Mind Products
 * @version 1.0
 */
public final class TestJComboBox
    {
    // ------------------------------ FIELDS ------------------------------

    private static final Color LABEL_FOREGROUND = new Color( 0x0000b0 );

    // --------------------------- main() method ---------------------------

    /**
     * Debugging harness for a Frame
     *
     * @param args command line arguments are ignored.
     */
    public static void main( String args[] )
        {
        SwingUtilities.invokeLater( new Runnable()
        {
        public void run()
            {
            final JFrame jFrame = new JFrame();
            final Container contentPane = jFrame.getContentPane();
            contentPane.setLayout( new FlowLayout() );

            final JComboBox flavour = new JComboBox( new String[] {
                    "strawberry", "chocolate", "vanilla" } );
            flavour.setForeground( LABEL_FOREGROUND );
            flavour.setBackground( Color.WHITE );
            flavour.setFont( FontFactory.build( "Dialog", Font.BOLD, 15 ) );
            // turn off the write-in feature
            flavour.setEditable( false );
            // setting the selection
            flavour.setSelectedIndex( 0 );
            // alternatively, by value.
            flavour.setSelectedItem( "chocolate" );
            // no multiple selections permitted.
            flavour.addItemListener( new ItemListener()
            {
            /**
             * Called whenever the value of the selection changes. Will
             * be called twice for every change.
             *
             * @param e the event that characterizes the change.
             */
            public void itemStateChanged( ItemEvent e )
                {
                String choice = ( String ) flavour.getSelectedItem();
                System.out.println( choice );
                }
            } );

            contentPane.add( flavour );

            jFrame.setSize( 100, 100 );
            jFrame.setDefaultCloseOperation( JFrame.EXIT_ON_CLOSE );
            jFrame.validate();
            jFrame.setVisible( true );
            }
        } );
        }// end main
    }