/*

 *  SWTMonthChooser.java  - A month chooser component for SWT

 *  Author: Mark Bryan Yu

 *  Modified by: Sergey Prigogin

 *  swtcalendar.sourceforge.net

 *

 *  Permission is hereby granted, free of charge, to any person obtaining a copy of

 *  this software and associated documentation files (the "Software"), to deal in the

 *  Software without restriction, including without limitation the rights to use, copy,

 *  modify, merge, publish, distribute, sublicense, and/or sell copies of the Software,

 *  and to permit persons to whom the Software is furnished to do so, subject to the

 *  following conditions:

 *

 *  The above copyright notice and this permission notice shall be included in all copies

 *  or substantial portions of the Software.

 *

 *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,

 *  INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR

 *  PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL SIMON TATHAM BE LIABLE FOR ANY CLAIM,

 *  DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING

 *  FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

 */

package org.vafada.swtcalendar;



import org.eclipse.swt.SWT;

import org.eclipse.swt.events.SelectionListener;

import org.eclipse.swt.graphics.Font;

import org.eclipse.swt.layout.FillLayout;

import org.eclipse.swt.widgets.Combo;

import org.eclipse.swt.widgets.Composite;



import java.text.DateFormatSymbols;

import java.util.Calendar;

import java.util.Locale;



public class SWTMonthChooser extends Composite {

    private SWTDayChooser dayChooser;

    private Combo comboBox;

    private Locale locale;



    public SWTMonthChooser(Composite parent) {

        super(parent, SWT.NONE);



        locale = Locale.getDefault();

        setLayout(new FillLayout());

        comboBox = new Combo(this, SWT.DROP_DOWN | SWT.READ_ONLY);



        initNames();



        setMonth(Calendar.getInstance().get(Calendar.MONTH));

        setFont(parent.getFont());

    }



    private void initNames() {

        DateFormatSymbols dateFormatSymbols = new DateFormatSymbols(locale);

        String[] monthNames = dateFormatSymbols.getMonths();



        int month = comboBox.getSelectionIndex();

        if (comboBox.getItemCount() > 0) {

            comboBox.removeAll();

        }



        for (int i = 0; i < monthNames.length; i++) {

            String name = monthNames[i];

            if (name.length() > 0) {

                comboBox.add(name);

            }

        }



        if (month < 0) {

            month = 0;

        } else if (month >= comboBox.getItemCount()) {

            month = comboBox.getItemCount() - 1;

        }



        comboBox.select(month);

    }



    public void addSelectionListener(SelectionListener listener) {

        comboBox.addSelectionListener(listener);

    }



    public void removeSelectionListener(SelectionListener listener) {

        comboBox.removeSelectionListener(listener);

    }



    public void setMonth(int newMonth) {

        comboBox.select(newMonth);

    }



    public int getMonth() {

        return comboBox.getSelectionIndex();

    }



    public void setLocale(Locale locale) {

        this.locale = locale;

        initNames();

    }



    /* (non-Javadoc)

     * @see org.eclipse.swt.widgets.Control#setFont(org.eclipse.swt.graphics.Font)

     */

    public void setFont(Font font) {

        super.setFont(font);

        comboBox.setFont(getFont());

    }

}