/*
 * $Id: DefaultMultiThumbModel.java,v 1.2 2008/07/12 11:37:09 dbarashev Exp $
 *
 * Copyright 2004 Sun Microsystems, Inc., 4150 Network Circle,
 * Santa Clara, California 95054, U.S.A. All rights reserved.
 *
 * 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 St, Fifth Floor, Boston, MA  02110-1301  USA
 */

package org.jdesktop.swingx.multislider;


import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.Iterator;
import java.util.List;

/**
 *
 * @author joshy
 */
public class DefaultMultiThumbModel<E> extends AbstractMultiThumbModel<E> implements MultiThumbModel<E> {
    
    protected List<Thumb<E>>thumbs = new ArrayList<Thumb<E>>();
    
    /** Creates a new instance of DefaultMultiThumbModel */
    public DefaultMultiThumbModel() {
	setMinimumValue(0.0f);
	setMaximumValue(1.0f);
    }
    // returns the index of the newly added thumb
    public int addThumb(float value, E obj) {
	Thumb<E> thumb = new Thumb<E>(this);
	thumb.setPosition(value);
	thumb.setObject(obj);
	thumbs.add(thumb);
        int n = thumbs.size();
	ThumbDataEvent evt = new ThumbDataEvent(this,-1,thumbs.size()-1,thumb);
	for(ThumbDataListener tdl : thumbDataListeners) {
	    tdl.thumbAdded(evt);
	}
        return n-1;
    }

    public void insertThumb(float value, E obj, int index) {
	Thumb thumb = new Thumb(this);
	thumb.setPosition(value);
	thumb.setObject(obj);
	thumbs.add(index,thumb);
	ThumbDataEvent evt = new ThumbDataEvent(this,-1,index,thumb);
	for(ThumbDataListener tdl : thumbDataListeners) {
	    tdl.thumbAdded(evt);
	}
    }

    public void removeThumb(int index) {
	Thumb thumb = thumbs.remove(index);
	ThumbDataEvent evt = new ThumbDataEvent(this,-1,index,thumb);
	for(ThumbDataListener tdl : thumbDataListeners) {
	    tdl.thumbRemoved(evt);
	}
    }

    public int getThumbCount() {
	return thumbs.size();
    }

    public Thumb getThumbAt(int index) {
	return thumbs.get(index);
    }

    public List<Thumb<E>> getSortedThumbs() {
	List<Thumb<E>> list = new ArrayList<Thumb<E>>();
	list.addAll(thumbs);
        Collections.sort(list, new Comparator<Thumb<E>>() {
	    public int compare(Thumb<E> o1, Thumb<E> o2) {
		float f1 = o1.getPosition();
		float f2 = o2.getPosition();
		if(f1<f2) {
		    return -1;
		}
		if(f1>f2) {
		    return 1;
		}
		return 0;
	    }
	});
	return list;
    }

    public Iterator<Thumb<E>> iterator() {
	return thumbs.iterator();
    }

    public int getThumbIndex(Thumb<E> thumb) {
        return thumbs.indexOf(thumb);
    }
}
