com.opendoorlogistics.components.barchart.BarchartPanel.java Source code

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Here is the source code for com.opendoorlogistics.components.barchart.BarchartPanel.java

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/*******************************************************************************
 * Copyright (c) 2014 Open Door Logistics (www.opendoorlogistics.com)
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the GNU Lesser Public License 3.0
 * which accompanies this distribution, and is available at
 * http://www.gnu.org/licenses/lgpl.html
 * 
 ******************************************************************************/
package com.opendoorlogistics.components.barchart;

import java.awt.Color;

import org.jfree.chart.ChartFactory;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.data.category.DefaultCategoryDataset;

import com.opendoorlogistics.api.ODLApi;
import com.opendoorlogistics.api.tables.ODLTableReadOnly;
import com.opendoorlogistics.components.barchart.basechart.BaseChartPanel;
import com.opendoorlogistics.core.utils.strings.Strings;

class BarchartPanel extends BaseChartPanel {

    BarchartPanel(ODLApi api, BarchartConfig config, ODLTableReadOnly table) {
        super(api, config, table);
    }

    @Override
    protected JFreeChart createChart(ODLTableReadOnly table, int[] rowFilter) {
        DefaultCategoryDataset dataset = new DefaultCategoryDataset();
        if (rowFilter != null) {
            for (int row : rowFilter) {
                createRowData(table, dataset, row);
            }
        } else {
            int n = table.getRowCount();
            for (int row = 0; row < n; row++) {
                createRowData(table, dataset, row);
            }
        }

        // create the chart...
        JFreeChart chart = ChartFactory.createBarChart(
                Strings.isEmpty(config.getTitle()) ? null : config.getTitle(), // chart title
                config.getXLabel(), // domain axis label
                config.getYLabel(), // range axis label
                dataset, // data
                PlotOrientation.VERTICAL, // orientation
                true, // include legend
                true, // tooltips?
                false // URLs?
        );

        // set the background color for the chart...
        chart.setBackgroundPaint(Color.WHITE);

        // don't show legend for just one series
        if (((BarchartConfig) config).getSeriesNames().size() <= 1) {
            chart.removeLegend();
        }
        return chart;
    }

    /**
     * @param bc
     * @param table
     * @param dataset
     * @param row
     */
    protected void createRowData(ODLTableReadOnly table, DefaultCategoryDataset dataset, int row) {
        String category = readGroupVal(table, row, config.getNbFilterGroupLevels());
        for (int series = 0; series < ((BarchartConfig) config).getSeriesNames().size(); series++) {
            Double val = (Double) table.getValueAt(row, config.getNbFilterGroupLevels() + 1 + series);
            if (val == null) {
                throw new RuntimeException("Empty numeric value passed into barcode component input table.");
            }

            dataset.addValue(val, ((BarchartConfig) config).getSeriesNames().get(series), category);
        }
    }

}