/*
* 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.tools;
import java.awt.Color;
/**
* Delivers a color based on the given value scaled.
*
* @author Ingo Mierswa
* @version $Id: CellColorProviderScaled.java,v 1.1 2008/08/25 08:10:36 ingomierswa Exp $
*/
public class CellColorProviderScaled implements CellColorProvider {
private double min;
private double max;
private boolean absolute;
private ExtendedJTable table;
public CellColorProviderScaled(ExtendedJTable table, boolean absolute, double min, double max) {
this.table = table;
this.absolute = absolute;
this.min = min;
this.max = max;
}
public Color getCellColor(int row, int column) {
Object valueObject = table.getValueAt(row, column);
try {
double value = Double.parseDouble(valueObject.toString());
if (absolute)
value = Math.abs(value);
float scaled = (float)((value - min) / (max - min));
Color color =
new Color(1.0f - scaled * 0.2f,
1.0f - scaled * 0.2f,
1.0f);
return color;
} catch (NumberFormatException e) {
return Color.WHITE;
}
}
}