/*
 *  RapidMiner
 *
 *  Copyright (C) 2001-2014 by RapidMiner and the contributors
 *
 *  Complete list of developers available at our web site:
 *
 *       http://rapidminer.com
 *
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU Affero General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  This program 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 Affero General Public License for more details.
 *
 *  You should have received a copy of the GNU Affero General Public License
 *  along with this program.  If not, see http://www.gnu.org/licenses/.
 */
package com.rapidminer.gui.new_plotter.data;

import java.util.HashMap;
import java.util.Map;

import com.rapidminer.gui.new_plotter.configuration.DimensionConfig;
import com.rapidminer.gui.new_plotter.configuration.ValueSource;
import com.rapidminer.gui.new_plotter.configuration.DimensionConfig.PlotDimension;
import com.rapidminer.gui.new_plotter.configuration.ValueSource.SeriesUsageType;

/**
 * @author Marius Helf
 *
 */
public class GroupCellData {
	Map<SeriesUsageType,Map<PlotDimension,double[]>> dimensionToDataMap = new HashMap<ValueSource.SeriesUsageType, Map<PlotDimension,double[]>>();
	
	public Map<PlotDimension,double[]> getDataForUsageType(SeriesUsageType usageType) {
		return dimensionToDataMap.get(usageType);
	}
	
	public void setDataForUsageType(SeriesUsageType usageType, Map<PlotDimension,double[]> data) {
		if (data != null) {
			dimensionToDataMap.put(usageType, data);
		} else {
			dimensionToDataMap.remove(usageType);
		}
	}
	
	/**
	 * Returns the number of data points in the DOMAIN dimension of the MAIN_SERIES series of this GroupCellData.
	 * All other usage types should have the same number of values.
	 */
	public int getSize() {
		Map<PlotDimension, double[]> mainData = getDataForUsageType(SeriesUsageType.MAIN_SERIES);
		if (mainData == null) {
			return 0;
		}
		
		double[] domainData = mainData.get(PlotDimension.DOMAIN);
		if (domainData == null) {
			return 0;
		}
		
		return domainData.length;
	}
	
	/**
	 * Initializes a map from Dimension to double[] for the given SeriesUsageType.
	 * Each double array is initialized with size valueCount.
	 * 
	 * The created map is added to this GroupCellData and then returned to the caller.
	 */
	public Map<PlotDimension,double[]> initDataForUsageType(SeriesUsageType usageType, Iterable<PlotDimension> dimensions, int valueCount) {
		Map<PlotDimension,double[]> data = new HashMap<DimensionConfig.PlotDimension, double[]>();
		for (PlotDimension dimension : dimensions) {
			data.put(dimension, new double[valueCount]);
		}
		setDataForUsageType(usageType, data);
		return data;
	}
}