/*
 *  RapidMiner
 *
 *  Copyright (C) 2001-2008 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.viewer;

import java.awt.BorderLayout;
import java.awt.FlowLayout;
import java.awt.Font;

import javax.swing.BorderFactory;
import javax.swing.JPanel;
import javax.swing.JTextPane;

import com.rapidminer.gui.tools.ExtendedJScrollPane;
import com.rapidminer.operator.visualization.dependencies.ANOVAMatrix;
import com.rapidminer.tools.Tools;


/** This viewer class can be used to display the significant differences of numerical
 *  columns depending on the groups defined by nominal columns. The result will be 
 *  a type of {@link ANOVAMatrix} which will be displayed here. The cells indicating 
 *  probably significant differences between the groups will be printed with a darker
 *  background color.
 * 
 *  @author Ingo Mierswa
 *  @version $Id: ANOVAMatrixViewer.java,v 1.4 2008/08/25 08:10:33 ingomierswa Exp $
 */
public class ANOVAMatrixViewer extends JPanel {
	
	private static final long serialVersionUID = 2307394762389768556L;

	public ANOVAMatrixViewer(ANOVAMatrix matrix) {
		super(new BorderLayout());
		
		JPanel infoPanel = new JPanel(new FlowLayout(FlowLayout.LEFT));
		
		// info string
		JTextPane infoText = new JTextPane();
		infoText.setEditable(false);
		infoText.setBackground(infoPanel.getBackground());
		infoText.setFont(infoText.getFont().deriveFont(Font.BOLD));
		infoText.setText("A dark background indicates that the probability for non-difference between the groups is less than " + Tools.formatNumber(matrix.getSignificanceLevel()));
		infoPanel.add(infoText);
		infoPanel.setBorder(BorderFactory.createEtchedBorder());
		add(infoPanel, BorderLayout.NORTH);
		
		// table
		ANOVAMatrixViewerTable table = new ANOVAMatrixViewerTable(matrix);
		table.setBorder(BorderFactory.createEtchedBorder());
		add(new ExtendedJScrollPane(table), BorderLayout.CENTER);
	}
}