monthchooser.java

来自「Rapla是一个灵活的多用户资源管理系统。它提供的一些功能有：日历GUI」· Java 代码 · 共 66 行

/*--------------------------------------------------------------------------*
 | Copyright (C) 2006 Christopher Kohlhaas, Bettina Lademann                |
 |                                                                          |
 | This program is free software; you can redistribute it and/or modify     |
 | it under the terms of the GNU General Public License as published by the |
 | Free Software Foundation. A copy of the license has been included with   |
 | these distribution in the COPYING file, if not go to www.fsf.org         |
 |                                                                          |
 | As a special exception, you are granted the permissions to link this     |
 | program with every library, which license fulfills the Open Source       |
 | Definition as published by the Open Source Initiative (OSI).             |
 *--------------------------------------------------------------------------*/
package org.rapla.gui.toolkit;

import java.util.Locale;

import javax.swing.DefaultComboBoxModel;
import javax.swing.JComboBox;

import org.rapla.components.calendarview.MonthMapper;

/** ComboBox that displays the weekdays in long format 
 */
public final class MonthChooser extends JComboBox
{
    private static final long serialVersionUID = 1L;

    MonthMapper mapper;

    public MonthChooser()
    {
        this( Locale.getDefault() );
    }

    public MonthChooser( Locale locale )
    {
        setLocale( locale );
    }

    public void setLocale( Locale locale )
    {
        super.setLocale( locale );
        if ( locale == null )
            return;
        mapper = new MonthMapper( locale );
        setModel( new DefaultComboBoxModel( mapper.getNames() ) );
    }

    public void selectMonth( int month )
    {
        setSelectedIndex( month );
    }

    /** returns the selected day or -1 if no day is selected.
     @see java.util.Calendar
     */
    public int getSelectedMonth()
    {
        if ( getSelectedIndex() == -1 )
            return -1;
        else
            return getSelectedIndex();
    }

}