examples/org.eclipse.jface.examples.databinding/src/org/eclipse/jface/examples/databinding/model/PriceModelObject.java

/*******************************************************************************
 * Copyright (c) 2005 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.jface.examples.databinding.model;


public class PriceModelObject extends ModelObject {
	
	private double price;
	
	public double getDouble(){
		return price;
	}
	public void setPrice(double aPrice){
		int oldDollars = getDollars();
		int oldCents = getCents();
		double oldValue = price;
		price = aPrice;
		firePropertyChange("dollars",oldDollars,getDollars());
		firePropertyChange("cents",oldCents,getCents());
		firePropertyChange("price",new Double(oldValue), new Double(price));
	}
	
	public double getPrice(){
		return price;
	}

	public int getCents(){
		return (int) (100*price - 100*Math.floor(price));
	}
	
	public void setCents(int cents){
		double oldPrice = getPrice();
		int oldCents = getCents();
		price = getDollars() + cents *.01;
		firePropertyChange("cents",oldCents,getCents());
		firePropertyChange("price", new Double(oldPrice), new Double(price));
	}
	
	public int getDollars(){
		return new Double(price).intValue();
	}
	
	public void setDollars(int dollars){
		double oldPrice = getPrice();
		int oldDollars = getDollars();
		price = dollars + getCents() *.01;
		firePropertyChange("dollars",oldDollars,getDollars());
		firePropertyChange("price", new Double(oldPrice), new Double(price));
	}

}