/*
 *  RapidMiner
 *
 *  Copyright (C) 2001-2011 by Rapid-I and the contributors
 *
 *  Complete list of developers available at our web site:
 *
 *       http://rapid-i.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.renderer.models;

import java.awt.Component;

import com.rapidminer.datatable.DataTable;
import com.rapidminer.datatable.SimpleDataTable;
import com.rapidminer.datatable.SimpleDataTableRow;
import com.rapidminer.gui.plotter.Plotter;
import com.rapidminer.gui.plotter.PlotterConfigurationModel;
import com.rapidminer.gui.renderer.AbstractRenderer;
import com.rapidminer.operator.IOContainer;
import com.rapidminer.operator.features.transformation.AbstractEigenvectorModel;
import com.rapidminer.report.Reportable;

/**
 * 
 * @author Sebastian Land
 */
public class EigenvectorModelVariancePlotRenderer extends AbstractRenderer {

	@Override
	public Reportable createReportable(Object renderable, IOContainer ioContainer, int desiredWidth, int desiredHeight) {
		return getPlotter(renderable);
	}

	@Override
	public String getName() {
		return "Cumulative Variance Plot";
	}

	@Override
	public Component getVisualizationComponent(Object renderable, IOContainer ioContainer) {
		return getPlotter(renderable).getPlotter();
	}

	private Plotter getPlotter(Object renderable) {
		AbstractEigenvectorModel model = (AbstractEigenvectorModel) renderable;
		double[] cumulativeVariance = model.getCumulativeVariance(); 
		DataTable dataTable = new SimpleDataTable("Cumulative Proportion of Variance", new String[] { "Principal Components", "Cumulative Proportion of Variance" });
		dataTable.add(new SimpleDataTableRow(new double[] { 0.0d, 0.0d }));
		for (int i = 0; i < cumulativeVariance.length; i++) {
			dataTable.add(new SimpleDataTableRow(new double[] { i + 1, cumulativeVariance[i] }));
		}

		PlotterConfigurationModel settings = new PlotterConfigurationModel(PlotterConfigurationModel.WEIGHT_PLOTTER_SELECTION, dataTable);
		settings.setPlotter(PlotterConfigurationModel.LINES_PLOT);
		Plotter plotter = settings.getPlotter();
		settings.setAxis(0, 0);
		settings.enablePlotColumn(1);

		return plotter;
	}
}