biz.ixnay.pivot.charts.skin.jfree.HighLowChartViewSkin.java Source code

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Here is the source code for biz.ixnay.pivot.charts.skin.jfree.HighLowChartViewSkin.java

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/*
 * Copyright (c) 2009 VMware, Inc.
 * Copyright 2009 G. Brown, ixnay.biz.
 *
 * Licensed 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 biz.ixnay.pivot.charts.skin.jfree;

import org.jfree.chart.ChartFactory;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.entity.ChartEntity;
import org.jfree.chart.entity.XYItemEntity;

import org.apache.pivot.charts.ChartView;
import org.apache.pivot.charts.HighLowChartView;
import org.apache.pivot.collections.List;

/**
 * High/low chart view skin.
 *
 * @author gbrown
 */
public class HighLowChartViewSkin extends JFreeChartViewSkin {
    private boolean candlestick = false;

    @Override
    public ChartView.Element getElementAt(int x, int y) {
        ChartView.Element element = null;

        ChartEntity chartEntity = getChartEntityAt(x, y);
        if (chartEntity instanceof XYItemEntity) {
            XYItemEntity xyItemEntity = (XYItemEntity) chartEntity;
            element = new ChartView.Element(xyItemEntity.getSeriesIndex(), xyItemEntity.getItem());
        }

        return element;
    }

    @Override
    protected JFreeChart createChart() {
        HighLowChartView chartView = (HighLowChartView) getComponent();

        String title = chartView.getTitle();
        String horizontalAxisLabel = chartView.getHorizontalAxisLabel();
        String verticalAxisLabel = chartView.getVerticalAxisLabel();
        boolean showLegend = chartView.getShowLegend();

        String seriesNameKey = chartView.getSeriesNameKey();
        List<?> chartData = chartView.getChartData();

        JFreeChart chart;
        OHLCSeriesDataset dataset = new OHLCSeriesDataset(seriesNameKey, chartData);

        if (candlestick) {
            chart = ChartFactory.createCandlestickChart(title, horizontalAxisLabel, verticalAxisLabel, dataset,
                    showLegend);
        } else {
            chart = ChartFactory.createHighLowChart(title, horizontalAxisLabel, verticalAxisLabel, dataset,
                    showLegend);
        }

        return chart;
    }

    public boolean isCandlestick() {
        return candlestick;
    }

    public void setCandlestick(boolean candlestick) {
        this.candlestick = candlestick;
        repaintComponent();
    }
}