/*
 * Bibliothek - DockingFrames
 * Library built on Java/Swing, allows the user to "drag and drop"
 * panels containing any Swing-Component the developer likes to add.
 * 
 * Copyright (C) 2012 Herve Guillaume, Benjamin Sigg
 * 
 * This library 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 library 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 library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 * 
 * Herve Guillaume
 * rvguillaume@hotmail.com
 * FR - France
 *
 * Benjamin Sigg
 * benjamin_sigg@gmx.ch
 * CH - Switzerland
 */

package bibliothek.gui.dock.station.toolbar.title;

import java.awt.Color;
import java.awt.Dimension;
import java.awt.Graphics;

import javax.swing.JComponent;

import bibliothek.gui.Dockable;
import bibliothek.gui.ToolbarExtension;
import bibliothek.gui.dock.action.DockAction;
import bibliothek.gui.dock.themes.basic.action.BasicTitleViewItem;
import bibliothek.gui.dock.title.AbstractDockTitle;
import bibliothek.gui.dock.title.DockTitle;
import bibliothek.gui.dock.title.DockTitleFactory;
import bibliothek.gui.dock.title.DockTitleRequest;
import bibliothek.gui.dock.title.DockTitleVersion;

/**
 * A very simplistic implementation of a {@link DockTitle}. This particular
 * implementation shows a line with a width or height of 5 pixels and a custom
 * color.
 * 
 * @author Benjamin Sigg
 */
public class ToolbarDockTitle extends AbstractDockTitle{
	/**
	 * Creates a new factory that creates new {@link ToolbarDockTitle}s.
	 * 
	 * @param color
	 *            the color of the title
	 * @return the new factory
	 */
	public static DockTitleFactory createFactory( final Color color ){
		return new DockTitleFactory(){
			@Override
			public void uninstall( DockTitleRequest request ){
				// ignore
			}

			@Override
			public void request( DockTitleRequest request ){
				request.answer(new ToolbarDockTitle(request.getVersion(),
						request.getTarget(), color));
			}

			@Override
			public void install( DockTitleRequest request ){
				// ignore
			}
		};
	}

	private final Color color;

	public ToolbarDockTitle( DockTitleVersion origin, Dockable dockable,
			Color color ){
		super(dockable, origin, true);
		this.color = color;
	}

	@Override
	protected BasicTitleViewItem<JComponent> createItemFor( DockAction action,
			Dockable dockable ){
		return dockable.getController().getActionViewConverter()
				.createView(action, ToolbarExtension.TOOLBAR_TITLE, dockable);
	}

	@Override
	public Dimension getPreferredSize(){
		final Dimension size = super.getPreferredSize();
		return new Dimension(Math.max(5, size.width), Math.max(5, size.height));
	}

	@Override
	public void setActive( boolean active ){
		super.setActive(active);
		repaint();
	}

	@Override
	public void paintBackground( Graphics g, JComponent component ){
		g.setColor(color);
		g.fillRect(0, 0, getWidth(), getHeight());

		if (isActive()){
			g.setColor(Color.BLACK);
			if (getOrientation().isHorizontal()){
				g.drawLine(1, getHeight() / 2, getWidth() - 1, getHeight() / 2);
			} else{
				g.drawLine(getWidth() / 2, 1, getWidth() / 2, getHeight() - 1);
			}
		}
	}
}