Tabs.java

/*
 *  This file is part of the Haven & Hearth game client.
 *  Copyright (C) 2009 Fredrik Tolf <fredrik@dolda2000.com>, and
 *                     Björn Johannessen <johannessen.bjorn@gmail.com>
 *
 *  Redistribution and/or modification of this file is subject to the
 *  terms of the GNU Lesser General Public License, version 3, as
 *  published by the Free Software Foundation.
 *
 *  This program 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 General Public License for more details.
 *
 *  Other parts of this source tree adhere to other copying
 *  rights. Please see the file `COPYING' in the root directory of the
 *  source tree for details.
 *
 *  A copy the GNU Lesser General Public License is distributed along
 *  with the source tree of which this file is a part in the file
 *  `doc/LPGL-3'. If it is missing for any reason, please see the Free
 *  Software Foundation's website at <http://www.fsf.org/>, or write
 *  to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
 *  Boston, MA 02111-1307 USA
 */

package haven;

import java.util.Collection;
import java.util.LinkedList;

public class Tabs {
	private Coord c, sz;
	private Widget parent;
	public Tab curtab = null;
	public Collection<Tab> tabs = new LinkedList<Tab>();

	public Tabs(Coord c, Coord sz, Widget parent) {
		this.c = c;
		this.sz = sz;
		this.parent = parent;
	}

	public class Tab extends Widget {
		public TabButton btn;

		public Tab() {
			super(Tabs.this.c, Tabs.this.sz, Tabs.this.parent);
			if (curtab == null)
				curtab = this;
			else
				hide();
			tabs.add(this);
		}

		public Tab(Coord bc, int bw, String text) {
			this();
			this.btn = new TabButton(bc, bw, text, this);
		}
	}

	public class TabButton extends Button {
		public final Tab tab;

		private TabButton(Coord c, Integer w, String text, Tab tab) {
			super(c, w, Tabs.this.parent, text);
			this.tab = tab;
		}

		public void click() {
			showtab(tab);
		}
	}

	public void showtab(Tab tab) {
		Tab old = curtab;
		if (old != null)
			old.hide();
		if ((curtab = tab) != null)
			curtab.show();
		changed(old, tab);
	}

	public void changed(Tab from, Tab to) {
	}
}