232 lines
8.5 KiB
Java
Executable File
232 lines
8.5 KiB
Java
Executable File
/* ===========================================================
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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.awt.Color;
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import java.sql.Date;
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import java.text.SimpleDateFormat;
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import java.util.Calendar;
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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.contentmanagement.graphtools.utils.DateGuesser;
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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.chart.axis.DateAxis;
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import org.jfree.chart.plot.XYPlot;
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import org.jfree.chart.renderer.xy.XYItemRenderer;
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import org.jfree.chart.renderer.xy.XYLineAndShapeRenderer;
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import org.jfree.data.general.Dataset;
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import org.jfree.data.time.Day;
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import org.jfree.data.time.Minute;
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import org.jfree.data.time.TimeSeries;
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import org.jfree.data.time.TimeSeriesCollection;
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import org.jfree.data.xy.XYDataset;
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import org.jfree.ui.RectangleInsets;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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public class TimeSeriesGraph extends GenericStandaloneGraph {
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private static Logger logger = LoggerFactory.getLogger(TimeSeriesGraph.class);
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private static final long serialVersionUID = 1L;
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private static final String formatYear= "yyyy";
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private static final String formatMonth= "MM-yyyy";
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private static final String formatDay= "MM-dd-yyyy";
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public String timeseriesformat;
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public TimeSeriesGraph(String title) {
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super(title);
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}
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protected Dataset generateDataset() {
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TimeSeriesCollection dataset = new TimeSeriesCollection();
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final TimeSeries s1 = new TimeSeries("Series 1");
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s1.add(new Minute(0, 0, 7, 12, 2003), 1.2);
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s1.add(new Minute(30, 12, 7, 12, 2003), 3.0);
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s1.add(new Minute(15, 14, 7, 12, 2003), 8.0);
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final TimeSeries s2 = new TimeSeries("Series 2");
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s2.add(new Minute(0, 3, 7, 12, 2003), 0.0);
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s2.add(new Minute(30, 9, 7, 12, 2003), 0.0);
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s2.add(new Minute(15, 10, 7, 12, 2003), 0.0);
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dataset.addSeries(s1);
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dataset.addSeries(s2);
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return dataset;
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}
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protected JFreeChart createChart(Dataset dataset) {
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JFreeChart chart = ChartFactory.createTimeSeriesChart(
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"Time Series", // title
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"", // x-axis label
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"", // y-axis label
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(XYDataset)dataset, // data
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true, // create legend?
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true, // generate tooltips?
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false // generate URLs?
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);
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chart.setBackgroundPaint(Color.white);
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XYPlot plot = (XYPlot) chart.getPlot();
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plot.setBackgroundPaint(Color.lightGray);
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plot.setDomainGridlinePaint(Color.white);
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plot.setRangeGridlinePaint(Color.white);
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plot.setAxisOffset(new RectangleInsets(5.0, 5.0, 5.0, 5.0));
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plot.setDomainCrosshairVisible(true);
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plot.setRangeCrosshairVisible(true);
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XYItemRenderer r = plot.getRenderer();
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if (r instanceof XYLineAndShapeRenderer) {
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XYLineAndShapeRenderer renderer = (XYLineAndShapeRenderer) r;
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renderer.setBaseShapesVisible(true);
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renderer.setBaseShapesFilled(true);
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renderer.setDrawSeriesLineAsPath(true);
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}
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DateAxis axis = (DateAxis) plot.getDomainAxis();
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axis.setDateFormatOverride(new SimpleDateFormat(timeseriesformat));
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return chart;
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}
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public static JFreeChart createStaticChart(Dataset dataset, String timeSeriesStringFormat) {
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return createStaticChart(dataset, timeSeriesStringFormat, "Time Series");
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}
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public static JFreeChart createStaticChart(Dataset dataset, String timeSeriesStringFormat, String chartName) {
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JFreeChart chart = ChartFactory.createTimeSeriesChart(
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chartName, // title
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"", // x-axis label
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"", // y-axis label
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(XYDataset)dataset, // data
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true, // create legend?
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true, // generate tooltips?
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false // generate URLs?
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);
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chart.setBackgroundPaint(Color.white);
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XYPlot plot = (XYPlot) chart.getPlot();
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plot.setBackgroundPaint(Color.lightGray);
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plot.setDomainGridlinePaint(Color.white);
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plot.setRangeGridlinePaint(Color.white);
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plot.setAxisOffset(new RectangleInsets(5.0, 5.0, 5.0, 5.0));
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plot.setDomainCrosshairVisible(true);
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plot.setRangeCrosshairVisible(true);
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XYItemRenderer r = plot.getRenderer();
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if (r instanceof XYLineAndShapeRenderer) {
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XYLineAndShapeRenderer renderer = (XYLineAndShapeRenderer) r;
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renderer.setBaseShapesVisible(true);
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renderer.setBaseShapesFilled(true);
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renderer.setDrawSeriesLineAsPath(true);
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}
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DateAxis axis = (DateAxis) plot.getDomainAxis();
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axis.setDateFormatOverride(new SimpleDateFormat(timeSeriesStringFormat));
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return chart;
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}
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@Override
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protected Dataset convert2Dataset(GraphData st) {
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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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TimeSeriesCollection timeseriescollection = new TimeSeriesCollection();
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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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for (int x = 0; x < numbOfRows; x++) {
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String serieslabel = pointslist.get(x).getLabel();
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TimeSeries xyseries = new TimeSeries(serieslabel);
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for (int y = 0; y < numbOfCols; y++) {
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String xlabel = pointslist.get(x).getEntries().get(y).getLabel();
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double value = pointslist.get(x).getEntries().get(y).getValue().doubleValue();
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Calendar cal = DateGuesser.convertDate(xlabel);
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String granularity = DateGuesser.granularity(xlabel);
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if (granularity.equals(DateGuesser.YEAR)) timeseriesformat = formatYear;
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else if (granularity.equals(DateGuesser.MONTH)) timeseriesformat = formatMonth;
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else if (granularity.equals(DateGuesser.DAY)) timeseriesformat = formatDay;
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logger.debug("TimeSeriesGraph-> granularity "+granularity+" format "+timeseriesformat);
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xyseries.add(new Day(new Date(cal.getTimeInMillis())),value);
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}
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timeseriescollection.addSeries(xyseries);
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}
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}
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return timeseriescollection;
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}
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@Override
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protected GenericStandaloneGraph getInstance(String title) {
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TimeSeriesGraph tsg = new TimeSeriesGraph(title);
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tsg.timeseriesformat = timeseriesformat;
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return tsg;
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}
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}
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