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/**
 * DataCleaner (community edition)
 * Copyright (C) 2014 Neopost - Customer Information Management
 *
 * This copyrighted material is made available to anyone wishing to use, modify,
 * copy, or redistribute it subject to the terms and conditions of the GNU
 * Lesser General Public License, as published by the Free Software Foundation.
 *
 * 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 Lesser General Public License
 * for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this distribution; if not, write to:
 * Free Software Foundation, Inc.
 * 51 Franklin Street, Fifth Floor
 * Boston, MA  02110-1301  USA
 */
package org.datacleaner.widgets.result;

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

import org.datacleaner.util.WidgetUtils;
import org.jfree.chart.plot.DefaultDrawingSupplier;
import org.jfree.chart.plot.DrawingSupplier;

public class DCDrawingSupplier extends DefaultDrawingSupplier implements DrawingSupplier {

    public static final Color[] DEFAULT_FILL_COLORS =
            new Color[] { WidgetUtils.BG_COLOR_GREEN_MEDIUM, WidgetUtils.ADDITIONAL_COLOR_RED_BRIGHT,
                    WidgetUtils.BG_COLOR_BLUE_BRIGHT, WidgetUtils.BG_COLOR_ORANGE_BRIGHT,
                    WidgetUtils.ADDITIONAL_COLOR_PURPLE_BRIGHT, WidgetUtils.ADDITIONAL_COLOR_CYAN_BRIGHT };
    private static final long serialVersionUID = 1L;
    private final Color[] _fillColors;
    private volatile int _colorIndex;

    public DCDrawingSupplier() {
        this(DEFAULT_FILL_COLORS);
    }

    public DCDrawingSupplier(final Color... fillColors) {
        _fillColors = fillColors;
        _colorIndex = 0;
    }

    @Override
    public Paint getNextPaint() {
        if (_colorIndex >= _fillColors.length) {
            _colorIndex = 0;
        }
        final Color color = _fillColors[_colorIndex];
        _colorIndex++;
        return color;
    }
}