org.jfree.chart.plot.CombinedRangeCategoryPlotEx.java Source code

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Here is the source code for org.jfree.chart.plot.CombinedRangeCategoryPlotEx.java

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/*
 * This file is licensed to the Toobs Framework Group under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The Toobs Framework Group licenses this file to You under the Apache 
 * License, Version 2.0 (the "License"); you may not use this file 
 * except in compliance with the License.  You may obtain a copy of the 
 * License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.jfree.chart.plot;

import java.util.Iterator;
import java.util.LinkedHashMap;
import java.util.Map;

import org.jfree.chart.LegendItem;
import org.jfree.chart.LegendItemCollection;
import org.jfree.chart.axis.ValueAxis;

@SuppressWarnings("unchecked")
public class CombinedRangeCategoryPlotEx extends CombinedRangeCategoryPlot {

    public CombinedRangeCategoryPlotEx(ValueAxis rangeAxis) {
        super(rangeAxis);
    }

    /**
     * Returns a collection of legend items for the plot.
     *
     * @return The legend items.
     */
    public LegendItemCollection getLegendItems() {
        LegendItemCollection result = getFixedLegendItems();
        if (result == null) {
            result = new LegendItemCollection();
            if (this.getSubplots() != null) {
                Map itemMap = new LinkedHashMap();
                Iterator iterator = this.getSubplots().iterator();
                while (iterator.hasNext()) {
                    CategoryPlot plot = (CategoryPlot) iterator.next();
                    LegendItemCollection more = plot.getLegendItems();
                    for (int i = 0; i < more.getItemCount(); i++) {
                        itemMap.put(more.get(i).getLabel(), more.get(i));
                    }
                }
                Iterator iter = itemMap.values().iterator();
                while (iter.hasNext()) {
                    result.add((LegendItem) iter.next());
                }
            }
        }
        return result;
    }

}