Slider.java

/*******************************************************************************
 * Copyright (c) 2003-2005, 2013 Till Zoppke.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the GNU Public License v3.0
 * which accompanies this distribution, and is available at
 * http://www.gnu.org/licenses/gpl.html
 * 
 * Contributors:
 *     Till Zoppke - initial API and implementation
 ******************************************************************************/
/*
 * Created on 28.03.2004
 */
package eniac.data.model;

import org.xml.sax.Attributes;

import eniac.io.XMLUtil;

/**
 * @author zoppke
 */
public class Slider extends EData {

	private float _value;

	// ============================= lifecycle //===============================

	public Slider() {
		// empty
	}

	public void setAttributes(Attributes attrs) {
		super.setAttributes(attrs);
		_value = XMLUtil.parseFloat(attrs, Tag.VALUE);
	}

	// ============================== methods //================================

	public void setValue(float value) {
		if (_value != value) {
			_value = value;
			setChanged();
			notifyObservers(EData.REPAINT);
		}
	}

	public float getValue() {
		return _value;
	}

	protected EData.Tag getAttributeName() {
		return EData.Tag.VALUE;
	}

	/**
	 * @return a string representation of
	 */
	public String getAttributes() {
		return super.getAttributes() + XMLUtil.wrapAttribute(getAttributeName(), Float.toString(_value));
	}
}