/**
 * 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.layout;

import org.jplot2d.util.SparseDoubleArray;

public class GridCellInsets {

	private final SparseDoubleArray topPadding;

	private final SparseDoubleArray leftPadding;

	private final SparseDoubleArray bottomPadding;

	private final SparseDoubleArray rightPadding;

	private final double sumWidth, sumHeight;

	/**
	 * @param topPadding
	 *            the key is row id
	 * @param leftPadding
	 *            the key is column id
	 * @param bottomPadding
	 *            the key is row id
	 * @param rightPadding
	 *            the key is column id
	 */
	public GridCellInsets(SparseDoubleArray topPadding, SparseDoubleArray leftPadding, SparseDoubleArray bottomPadding,
			SparseDoubleArray rightPadding) {
		this.topPadding = topPadding;
		this.leftPadding = leftPadding;
		this.bottomPadding = bottomPadding;
		this.rightPadding = rightPadding;

		double sumXpad = 0;
		for (int i = 0; i < leftPadding.size(); i++) {
			double left = leftPadding.valueAt(i);
			sumXpad += left;
		}
		for (int i = 0; i < rightPadding.size(); i++) {
			double right = rightPadding.valueAt(i);
			sumXpad += right;
		}
		sumWidth = sumXpad;

		double sumYpad = 0;
		for (int i = 0; i < topPadding.size(); i++) {
			double top = topPadding.valueAt(i);
			sumYpad += top;
		}
		for (int i = 0; i < bottomPadding.size(); i++) {
			double bottom = bottomPadding.valueAt(i);
			sumYpad += bottom;
		}
		sumHeight = sumYpad;
	}

	public double getTop(int row) {
		Double v = topPadding.get(row);
		return (v == null) ? 0 : v.doubleValue();
	}

	public double getLeft(int col) {
		Double v = leftPadding.get(col);
		return (v == null) ? 0 : v.doubleValue();
	}

	public double getBottom(int row) {
		Double v = bottomPadding.get(row);
		return (v == null) ? 0 : v.doubleValue();
	}

	public double getRight(int col) {
		Double v = rightPadding.get(col);
		return (v == null) ? 0 : v.doubleValue();
	}

	public double getSumWidth() {
		return sumWidth;
	}

	public double getSumHeight() {
		return sumHeight;
	}

}