/**
 * Copyright 2010-2014 Jingjing Li.
 *
 * This file is part of jplot2d.
 *
 * jplot2d 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 3 of the
 * License, or any later version.
 *
 * jplot2d 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 Lesser Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with jplot2d. If not, see .
 */
package org.jplot2d.swing.proptable.property;

import java.awt.Point;

import org.jplot2d.env.PropertyInfo;

/**
 * @author Jingjing Li
 * 
 */
public class PointProperty extends PropertyDescriptorAdapter {

	private Property[] subProperties;

	private Integer _x, _y;

	public PointProperty(PropertyInfo descriptor) {
		super(descriptor);
		initSubProperties();
	}

	public Property[] getSubProperties() {
		return subProperties;
	}

	public void readFromObject(Object object) {
		super.readFromObject(object);

		if (getValue() != null) {
			_x = getValue().x;
			_y = getValue().y;
		}
	}

	private void updateValue() {
		if (_x != null && _y != null) {
			setValue(new Point(_x, _y));
		}
		if (_x == null && _y == null) {
			setValue(null);
		}
	}

	private void initSubProperties() {
		// initial sub-properties
		subProperties = new Property[2];
		subProperties[0] = new SubProperty(this) {

			public String getName() {
				return "x";
			}

			public Class getType() {
				return Integer.class;
			}

			public Integer getValue() {
				return _x;
			}

			public void setValue(Integer x) {
				_x = x;
				updateValue();
			}

		};

		subProperties[1] = new SubProperty(this) {

			public String getName() {
				return "y";
			}

			public Class getType() {
				return Integer.class;
			}

			public Integer getValue() {
				return _y;
			}

			public void setValue(Integer y) {
				_y = y;
				updateValue();
			}

		};

	}
}