org.jdesktop.swingx.multislider.AbstractMultiThumbModel Maven / Gradle / Ivy

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/*
 * 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.List;

/**
 * @author jm158417 Joshua Marinacci joshy
 */
public abstract class AbstractMultiThumbModel implements MultiThumbModel {
	
    /** Creates a new instance of AbstractMultiThumbModel */
    public AbstractMultiThumbModel() {
    }
    
    /** maximum Value of the thumb */
    protected float maximumValue = 1.0f;
    /** minimum Value of the thumb */
    protected float minimumValue = 0.0f;
    
    public float getMaximumValue()    {
        return maximumValue;
    }
    
    public float getMinimumValue()    {
        return minimumValue;
    }
    
    public void setMaximumValue(float maximumValue) {
        this.maximumValue = maximumValue;
    }
    
    public void setMinimumValue(float minimumValue) {
        this.minimumValue = minimumValue;
    }
    
    /**
     * the collection of thumb Data Listeners
     */
    protected List thumbDataListeners = new ArrayList();
    
    public void addThumbDataListener(ThumbDataListener listener) {
        thumbDataListeners.add(listener);
    }
    
    /**
     * {@inheritDoc}
     */
    public void removeThumbDataListener(ThumbDataListener listener) {
        thumbDataListeners.remove(listener);
    }

    /**
     * {@inheritDoc}
     */
    public void thumbPositionChanged(Thumb thumb) {
        fireThumbPositionChanged(thumb);
    }
    
    /**
     * Notifies all listeners that have registered interest for notification on thumb position change.
     * @param thumb the thumb which changed position
     */
    protected void fireThumbPositionChanged(Thumb thumb) {
        if(getThumbIndex(thumb) >= 0) {
            ThumbDataEvent evt = new ThumbDataEvent(this,-1,getThumbIndex(thumb),thumb);
            for(ThumbDataListener l : thumbDataListeners) {
                l.positionChanged(evt);
            }
        }
    }
    /**
     * Notifies all listeners that have registered interest for notification on value change.
     * Calls fireThumbValueChanged
     * @param thumb the thumb which changed value
     */
    public void thumbValueChanged(Thumb thumb) {
        fireThumbValueChanged(thumb);
    }
    
    /**
     * Notifies all listeners that have registered interest for notification on value change.
     * @param thumb the thumb which changed value
     */
    protected void fireThumbValueChanged(Thumb thumb) {
        ThumbDataEvent evt = new ThumbDataEvent(this,-1,getThumbIndex(thumb),thumb);
        for(ThumbDataListener l : thumbDataListeners) {
            l.valueChanged(evt);
        }
    }

    @Override
    public String toString() {
    	return getClass().getName() + '[' + getMinimumValue() + "," + getMaximumValue() + ']';
    }

}