/**
 * 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.BasicStroke;

import org.jplot2d.env.PropertyInfo;

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

	private Property spLineWidth;

	private Property spDashArray;

	private Float lineWidth;

	private float[] dashArray;

	public BasicStrokeProperty(PropertyInfo descriptor) {
		super(descriptor);

		initSubProperties();
	}

	public Property[] getSubProperties() {
		return new Property[] { spLineWidth, spDashArray };
	}

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

		if (getValue() != null) {
			lineWidth = getValue().getLineWidth();
			dashArray = getValue().getDashArray();
		}
	}

	private void updateValue() {
		BasicStroke v = getValue();
		if (lineWidth == null) {
			setValue(null);
		} else if (dashArray == null) {
			if (v == null) {
				setValue(new BasicStroke(lineWidth));
			} else {
				setValue(new BasicStroke(lineWidth, v.getEndCap(), v.getLineJoin(), v.getMiterLimit()));
			}
		} else {
			if (v == null) {
				setValue(new BasicStroke(lineWidth, BasicStroke.CAP_SQUARE, BasicStroke.JOIN_MITER, 10.0f));
			} else {
				setValue(new BasicStroke(lineWidth, v.getEndCap(), v.getLineJoin(), v.getMiterLimit(), dashArray,
						v.getDashPhase()));
			}
		}
	}

	private void initSubProperties() {
		// initial sub-properties
		spLineWidth = new SubProperty(this) {

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

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

			public Float getValue() {
				return lineWidth;
			}

			public void setValue(Float x) {
				lineWidth = x;
				updateValue();
			}

		};

		spDashArray = new SubProperty(this) {

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

			public Class getType() {
				return float[].class;
			}

			public float[] getValue() {
				return dashArray;
			}

			public void setValue(float[] y) {
				dashArray = y;
				updateValue();
			}

		};

	}
}