/*
 *  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.math;

import com.rapidminer.datatable.DataTable;
import com.rapidminer.gui.renderer.AbstractDataTableTableRenderer;
import com.rapidminer.gui.tools.CellColorProvider;
import com.rapidminer.gui.tools.CellColorProviderScaled;
import com.rapidminer.gui.tools.ExtendedJTable;
import com.rapidminer.operator.IOContainer;
import com.rapidminer.operator.visualization.dependencies.NumericalMatrix;


/**
 * 
 * @author Sebastian Land
 */
public class NumericalMatrixTableRenderer extends AbstractDataTableTableRenderer {

	@Override
	public DataTable getDataTable(Object renderable, IOContainer ioContainer, boolean isRendering) {
		NumericalMatrix matrix = (NumericalMatrix) renderable;
		return matrix.createMatrixDataTable();
	}

	@Override
	protected CellColorProvider getCellColorProvider(ExtendedJTable table, Object renderable) {
		NumericalMatrix matrix = (NumericalMatrix) renderable;
		// matrix viewer
		double min = Double.POSITIVE_INFINITY;
		double max = Double.NEGATIVE_INFINITY;
		for (int x = 0; x < matrix.getNumberOfRows(); x++) {
			for (int y = 0; y < matrix.getNumberOfColumns(); y++) {
				double value = Math.abs(matrix.getValue(x, y));
				if (!Double.isNaN(value)) {
					min = Math.min(min, value);
					max = Math.max(max, value);
				}
			}
		}  
		return new CellColorProviderScaled(table, true, min, max);
	}

	@Override
	public boolean isAutoresize() {
		return false;
	}
}