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/*
 * Copyright (C) 2005-2024 ManyDesigns srl.  All rights reserved.
 * http://www.manydesigns.com/
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 3 of
 * the License, or (at your option) any later version.
 *
 * This software 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 software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */

package com.manydesigns.portofino.chart;

import com.manydesigns.elements.text.OgnlTextFormat;
import org.jfree.chart.urls.PieURLGenerator;
import org.jfree.data.general.PieDataset;

public class ChartPieUrlGenerator implements PieURLGenerator {
    public static final String copyright =
            "Copyright (C) 2005-2024 ManyDesigns srl";

    protected final OgnlTextFormat format;
    protected final PieURLGeneratorValue value;

    public ChartPieUrlGenerator(String expression) {
        format = OgnlTextFormat.create(expression);
        format.setUrl(true);
        value = new PieURLGeneratorValue();
    }

    public String generateURL(PieDataset dataset,
                              Comparable key, int index) {
        value.dataset = dataset;
        value.key = ((ComparableWrapper) key).getObject();
        value.index = index;
        return format.format(value);
    }

    static class PieURLGeneratorValue {
        public PieDataset dataset;
        public Comparable key;
        public int index;
    }
}