/*FreeMind - A Program for creating and viewing Mindmaps
 *Copyright (C) 2000-2006 Joerg Mueller, Daniel Polansky, Christian Foltin, Dimitri Polivaev and others.
 *
 *See COPYING for Details
 *
 *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; either version 2
 *of the License, or (at your option) any later version.
 *
 *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.
 *
 *You should have received a copy of the GNU General Public License
 *along with this program; if not, write to the Free Software
 *Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */
/*
 * Created on 15.05.2005
 *
 */
package freemind.controller.filter;

/**
 * @author dimitri 15.05.2005
 */
public class FilterInfo {
	private int info = Filter.FILTER_INITIAL_VALUE;

	/**
     * 
     */
	public FilterInfo() {
		super();
	}

	public void reset() {
		info = Filter.FILTER_INITIAL_VALUE;
	}

	public void setAncestor() {
		add(Filter.FILTER_SHOW_ANCESTOR);
	}

	public void setDescendant() {
		add(Filter.FILTER_SHOW_DESCENDANT);
	}

	public void setMatched() {
		add(Filter.FILTER_SHOW_MATCHED);
	}

	void add(int flag) {
		if ((flag & (Filter.FILTER_SHOW_MATCHED | Filter.FILTER_SHOW_HIDDEN)) != 0) {
			info &= ~Filter.FILTER_INITIAL_VALUE;
		}
		info |= flag;
	}

	int get() {
		return info;
	}

	/**
     */
	public boolean isAncestor() {
		return (info & Filter.FILTER_SHOW_ANCESTOR) != 0;
	}

	/**
     */
	public boolean isMatched() {
		return (info & Filter.FILTER_SHOW_MATCHED) != 0;
	}
}