/**
 * Warlock, the open-source cross-platform game client
 *  
 * Copyright 2008, Warlock LLC, and individual contributors as indicated
 * by the @authors tag. 
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */
package cc.warlock.rcp.util;

import java.util.ArrayList;

import org.eclipse.jface.util.IPropertyChangeListener;
import org.eclipse.jface.util.PropertyChangeEvent;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.events.SelectionListener;
import org.eclipse.swt.graphics.Font;
import org.eclipse.swt.graphics.FontData;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.FontDialog;

public class FontSelector {

	private Button button;
	private FontData fontData;
	private Font font;
	private ArrayList<IPropertyChangeListener> listeners;
	
	public FontSelector (Composite parent)
	{
		listeners = new ArrayList<IPropertyChangeListener>();
		button = new Button(parent, SWT.PUSH);
		button.setText("Choose...");
		button.addSelectionListener(new SelectionListener () {
			public void widgetDefaultSelected(SelectionEvent e) {
				widgetSelected(e);
			}
			public void widgetSelected(SelectionEvent e) {
				FontDialog dialog = new FontDialog(button.getShell());
				if (fontData != null)
					dialog.setFontList(new FontData[] {fontData} );
				
				FontData oldData = fontData;
				fontData = dialog.open();
				
				if (fontData != null) {
					font = new Font(button.getDisplay(), fontData);
					
					for (IPropertyChangeListener listener : listeners)
						listener.propertyChange(new PropertyChangeEvent(FontSelector.this, "fontData", oldData, fontData));
				}
			}
		});
	}

	public FontData getFontData() {
		return fontData;
	}

	public void setFontData(FontData fontData) {
		this.fontData = fontData;
	}
	
	public Font getFont()
	{
		return font;
	}
	
	public void addListener (IPropertyChangeListener listener)
	{
		listeners.add(listener);
	}
}