com.rapidminer.gui.new_plotter.engine.jfreechart.renderer.FormattedXYDifferenceRenderer.java Source code

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Here is the source code for com.rapidminer.gui.new_plotter.engine.jfreechart.renderer.FormattedXYDifferenceRenderer.java

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/**
 * Copyright (C) 2001-2015 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.engine.jfreechart.renderer;

import com.rapidminer.gui.new_plotter.StaticDebug;
import com.rapidminer.gui.new_plotter.engine.jfreechart.RenderFormatDelegate;
import com.rapidminer.gui.new_plotter.utility.DataStructureUtils;

import java.awt.Color;
import java.awt.Paint;
import java.awt.Shape;

import org.jfree.chart.renderer.xy.XYDifferenceRenderer;

/**
 * @author Marius Helf
 */
public class FormattedXYDifferenceRenderer extends XYDifferenceRenderer implements FormattedRenderer {

    private static final long serialVersionUID = 1L;

    private RenderFormatDelegate formatDelegate = new RenderFormatDelegate();

    /**
     * The Difference plotter can only plot one series at a time, and that series has index 0. One
     * value source can contain multiple series. trueSeriesIdx stores which series in the value
     * source this FormattedXYDifferenceRenderer represents.
     * 
     */
    private int trueSeriesIdx;

    public FormattedXYDifferenceRenderer(int trueSeriesIdx) {
        super();
        this.trueSeriesIdx = trueSeriesIdx;
    }

    @Override
    public RenderFormatDelegate getFormatDelegate() {
        return formatDelegate;
    }

    @Override
    public Paint getItemPaint(int seriesIdx, int valueIdx) {
        Paint paintFromDelegate = getFormatDelegate().getItemPaint(trueSeriesIdx, valueIdx);
        if (paintFromDelegate == null) {
            return super.getItemPaint(seriesIdx, valueIdx);
        } else {
            return paintFromDelegate;
        }
    }

    @Override
    public Shape getItemShape(int seriesIdx, int valueIdx) {
        Shape shapeFromDelegate = getFormatDelegate().getItemShape(seriesIdx, valueIdx);
        if (shapeFromDelegate == null) {
            return super.getItemShape(seriesIdx, valueIdx);
        } else {
            return shapeFromDelegate;
        }
    }

    @Override
    public Paint getPositivePaint() {
        StaticDebug.debug("getPositivePaint(): " + trueSeriesIdx);
        Color color = getFormatDelegate().getSeriesColor(trueSeriesIdx);
        if (color != null) {
            return DataStructureUtils.setColorAlpha(color, color.getAlpha() / 2);
        } else {
            return super.getPositivePaint();
        }
    }

    @Override
    public Paint getNegativePaint() {
        StaticDebug.debug("getNegativePaint(): " + trueSeriesIdx);
        Color color = getFormatDelegate().getSeriesColor(trueSeriesIdx);
        if (color != null) {
            return (new Color(255 - color.getRed(), 255 - color.getGreen(), 255 - color.getBlue(),
                    color.getAlpha() / 2));
        } else {
            return super.getNegativePaint();
        }
    }

    @Override
    public Paint getItemOutlinePaint(int seriesIdx, int valueIdx) {
        if (getFormatDelegate().isItemSelected(seriesIdx, valueIdx)) {
            return super.getItemOutlinePaint(seriesIdx, valueIdx);
        } else {
            return DataStructureUtils.setColorAlpha(Color.LIGHT_GRAY, 20);
        }
    }
}