157 lines
5.1 KiB
Java
157 lines
5.1 KiB
Java
/* ===========================================================
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* JFreeChart : a free chart library for the Java(tm) platform
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* ===========================================================
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*
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* (C) Copyright 2000-2007, by Object Refinery Limited and Contributors.
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*
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* Project Info: http://www.jfree.org/jfreechart/index.html
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*
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* This library is free software; you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation; either version 2.1 of the License, or
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* (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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* License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
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* USA.
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*
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* [Java is a trademark or registered trademark of Sun Microsystems, Inc.
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* in the United States and other countries.]
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*
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* ------------------
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* PieGraph.java
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* ------------------
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* (C) Copyright 2003-2007, by Object Refinery Limited and Contributors.
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*
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* Original Author: David Gilbert (for Object Refinery Limited);
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* Contributor(s): ;
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*
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* Changes
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* -------
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* 09-Mar-2005 : Version 1, copied from the demo collection that ships with
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* the JFreeChart Developer Guide (DG);
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*
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*/
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package org.gcube.contentmanagement.graphtools.plotting.graphs;
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import java.util.List;
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import org.gcube.contentmanagement.graphtools.abstracts.GenericStandaloneGraph;
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import org.gcube.portlets.user.timeseries.charts.support.types.GraphData;
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import org.gcube.portlets.user.timeseries.charts.support.types.Point;
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import org.jfree.chart.ChartFactory;
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import org.jfree.chart.JFreeChart;
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import org.jfree.data.category.DefaultCategoryDataset;
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import org.jfree.data.general.Dataset;
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import org.jfree.data.general.DefaultPieDataset;
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import org.jfree.util.TableOrder;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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public class PieGraph extends GenericStandaloneGraph {
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private static Logger logger = LoggerFactory.getLogger(PieGraph.class);
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private static final long serialVersionUID = 1L;
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public PieGraph(String title) {
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super(title);
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}
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protected Dataset generateDataset() {
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DefaultPieDataset dataset = new DefaultPieDataset();
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dataset.setValue("One", Double.valueOf(43.2));
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dataset.setValue("Two", Double.valueOf(10.0));
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dataset.setValue("Three", Double.valueOf(27.5));
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dataset.setValue("Four", Double.valueOf(17.5));
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dataset.setValue("Five", Double.valueOf(11.0));
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dataset.setValue("Six", Double.valueOf(19.4));
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return dataset;
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}
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/*
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protected JFreeChart createChart(Dataset dataset) {
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PiePlot plot = new PiePlot((DefaultPieDataset) dataset);
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JFreeChart chart = new JFreeChart(plot);
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return chart;
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}
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*/
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protected JFreeChart createChart(Dataset dataset) {
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JFreeChart chart = ChartFactory.createMultiplePieChart(
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"Multiple Pie Chart", // chart title
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(DefaultCategoryDataset)dataset, // dataset
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TableOrder.BY_ROW,
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true, // include legend
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true,
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false
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);
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return chart;
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}
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public static JFreeChart createStaticChart(Dataset dataset) {
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JFreeChart chart = ChartFactory.createMultiplePieChart(
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"Multiple Pie Chart", // chart title
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(DefaultCategoryDataset)dataset, // dataset
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TableOrder.BY_ROW,
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true, // include legend
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true,
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false
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);
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return chart;
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}
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protected Dataset convert2DatasetOld(GraphData st) {
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DefaultPieDataset dataset = new DefaultPieDataset();
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List<Point<? extends Number, ? extends Number>> pointslist = st.getData();
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// NOTE: after the graph generation graphs are inverted in x and y
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int numbOfRows = pointslist.size();
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if (numbOfRows > 0) {
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int numbOfCols = pointslist.get(0).getEntries().size();
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// calclulation will be made only for the first series
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int x = 0;
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String xlabel = pointslist.get(x).getLabel();
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//calculate maximum
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double max = 0;
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for (int y = 0; y < numbOfCols; y++) {
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double value = pointslist.get(x).getEntries().get(y).getValue().doubleValue();
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if (value>max){
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max = value;
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}
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}
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for (int y = 0; y < numbOfCols; y++) {
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double value = pointslist.get(x).getEntries().get(y).getValue().doubleValue();
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value = (value/max)*100;
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String ylabel = pointslist.get(x).getEntries().get(y).getLabel();
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logger.info(xlabel + ":" + ylabel +"->" + value);
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dataset.setValue(xlabel + ":" + ylabel, value);
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}
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}
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return dataset;
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}
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@Override
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protected GenericStandaloneGraph getInstance(String title) {
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return new PieGraph(title);
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}
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}
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