| 1 | /**
|
|---|
| 2 | * TimeSeries.java
|
|---|
| 3 | * Copyright (C) 2010 New Zealand Digital Library, http://expeditee.org
|
|---|
| 4 | *
|
|---|
| 5 | * This program is free software: you can redistribute it and/or modify
|
|---|
| 6 | * it under the terms of the GNU General Public License as published by
|
|---|
| 7 | * the Free Software Foundation, either version 3 of the License, or
|
|---|
| 8 | * (at your option) any later version.
|
|---|
| 9 | *
|
|---|
| 10 | * This program is distributed in the hope that it will be useful,
|
|---|
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|---|
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|---|
| 13 | * GNU General Public License for more details.
|
|---|
| 14 | *
|
|---|
| 15 | * You should have received a copy of the GNU General Public License
|
|---|
| 16 | * along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|---|
| 17 | */
|
|---|
| 18 |
|
|---|
| 19 | package org.expeditee.items.widgets.charts;
|
|---|
| 20 |
|
|---|
| 21 | import java.text.DateFormat;
|
|---|
| 22 | import java.text.ParseException;
|
|---|
| 23 | import java.text.SimpleDateFormat;
|
|---|
| 24 | import java.util.Calendar;
|
|---|
| 25 | import java.util.Collection;
|
|---|
| 26 | import java.util.Date;
|
|---|
| 27 |
|
|---|
| 28 | import org.expeditee.Util;
|
|---|
| 29 | import org.expeditee.core.Colour;
|
|---|
| 30 | import org.expeditee.gio.swing.SwingConversions;
|
|---|
| 31 | import org.expeditee.gui.AttributeValuePair;
|
|---|
| 32 | import org.expeditee.gui.Frame;
|
|---|
| 33 | import org.expeditee.gui.MessageBay;
|
|---|
| 34 | import org.expeditee.items.Text;
|
|---|
| 35 | import org.expeditee.stats.Formatter;
|
|---|
| 36 | import org.jfree.chart.ChartFactory;
|
|---|
| 37 | import org.jfree.chart.JFreeChart;
|
|---|
| 38 | import org.jfree.data.time.Day;
|
|---|
| 39 | import org.jfree.data.time.Hour;
|
|---|
| 40 | import org.jfree.data.time.Millisecond;
|
|---|
| 41 | import org.jfree.data.time.Minute;
|
|---|
| 42 | import org.jfree.data.time.Month;
|
|---|
| 43 | import org.jfree.data.time.Quarter;
|
|---|
| 44 | import org.jfree.data.time.RegularTimePeriod;
|
|---|
| 45 | import org.jfree.data.time.Second;
|
|---|
| 46 | import org.jfree.data.time.TimeSeriesCollection;
|
|---|
| 47 | import org.jfree.data.time.Week;
|
|---|
| 48 | import org.jfree.data.time.Year;
|
|---|
| 49 | import org.jfree.data.xy.XYDataset;
|
|---|
| 50 |
|
|---|
| 51 | public class TimeSeries extends AbstractValueAxis {
|
|---|
| 52 |
|
|---|
| 53 | public TimeSeries(Text source, String[] args) {
|
|---|
| 54 | super(source, args);
|
|---|
| 55 | }
|
|---|
| 56 |
|
|---|
| 57 | private TimeSeriesCollection _data;
|
|---|
| 58 |
|
|---|
| 59 | private Class<? extends RegularTimePeriod> _periodType;
|
|---|
| 60 |
|
|---|
| 61 | private Date _startDate;
|
|---|
| 62 |
|
|---|
| 63 | protected XYDataset getChartData() {
|
|---|
| 64 | if (_data == null)
|
|---|
| 65 | _data = new TimeSeriesCollection();
|
|---|
| 66 | return _data;
|
|---|
| 67 | }
|
|---|
| 68 |
|
|---|
| 69 | @Override
|
|---|
| 70 | public void refreshData(Frame dataFrame) {
|
|---|
| 71 | String period = dataFrame.getAnnotationValue("period");
|
|---|
| 72 | if (period == null) {
|
|---|
| 73 | period = "day";
|
|---|
| 74 | } else {
|
|---|
| 75 | period = period.toLowerCase();
|
|---|
| 76 | }
|
|---|
| 77 | if (period.startsWith("quarter")) {
|
|---|
| 78 | _periodType = Quarter.class;
|
|---|
| 79 | } else if (period.startsWith("year")) {
|
|---|
| 80 | _periodType = Year.class;
|
|---|
| 81 | } else if (period.startsWith("month")) {
|
|---|
| 82 | _periodType = Month.class;
|
|---|
| 83 | } else if (period.startsWith("week")) {
|
|---|
| 84 | _periodType = Week.class;
|
|---|
| 85 | } else if (period.startsWith("hour")) {
|
|---|
| 86 | _periodType = Hour.class;
|
|---|
| 87 | } else if (period.startsWith("min")) {
|
|---|
| 88 | _periodType = Minute.class;
|
|---|
| 89 | } else if (period.startsWith("sec")) {
|
|---|
| 90 | _periodType = Second.class;
|
|---|
| 91 | } else if (period.startsWith("milli")) {
|
|---|
| 92 | _periodType = Millisecond.class;
|
|---|
| 93 | } else if (period.startsWith("day")) {
|
|---|
| 94 | _periodType = Day.class;
|
|---|
| 95 | } else {
|
|---|
| 96 | MessageBay.errorMessage("Invalid time series period type: "
|
|---|
| 97 | + period);
|
|---|
| 98 | _periodType = Day.class;
|
|---|
| 99 | }
|
|---|
| 100 |
|
|---|
| 101 | try {
|
|---|
| 102 | String startDateString = dataFrame.getAnnotationValue("start");
|
|---|
| 103 | if (startDateString != null) {
|
|---|
| 104 | _startDate = Util.parseDate(startDateString);
|
|---|
| 105 | }
|
|---|
| 106 | } catch (Exception e) {
|
|---|
| 107 | // Use the current date
|
|---|
| 108 | }
|
|---|
| 109 | if (_startDate == null) {
|
|---|
| 110 | _startDate = new Date();
|
|---|
| 111 | }
|
|---|
| 112 | super.refreshData(dataFrame);
|
|---|
| 113 | }
|
|---|
| 114 |
|
|---|
| 115 | /**
|
|---|
| 116 | * @param dataFrame
|
|---|
| 117 | */
|
|---|
| 118 | @Override
|
|---|
| 119 | protected void clearData() {
|
|---|
| 120 | _data.removeAllSeries();
|
|---|
| 121 | }
|
|---|
| 122 |
|
|---|
| 123 | @Override
|
|---|
| 124 | protected JFreeChart createNewChart() {
|
|---|
| 125 | return ChartFactory.createTimeSeriesChart(DEFAULT_TITLE, DEFAULT_XAXIS,
|
|---|
| 126 | DEFAULT_YAXIS, getChartData(), true, // legend?
|
|---|
| 127 | true, // tooltips?
|
|---|
| 128 | false // URLs?
|
|---|
| 129 | );
|
|---|
| 130 | }
|
|---|
| 131 |
|
|---|
| 132 | @Override
|
|---|
| 133 | protected boolean addCategoryData(String categoryName,
|
|---|
| 134 | Collection<Text> items, boolean swap) {
|
|---|
| 135 | org.jfree.data.time.TimeSeries newSeries = new org.jfree.data.time.TimeSeries(
|
|---|
| 136 | categoryName, _periodType);
|
|---|
| 137 |
|
|---|
| 138 | boolean foundData = false;
|
|---|
| 139 | Colour newColor = null;
|
|---|
| 140 | for (Text i : items) {
|
|---|
| 141 | if (!i.isLineEnd()) {
|
|---|
| 142 | Text t = (Text) i;
|
|---|
| 143 | AttributeValuePair avp = new AttributeValuePair(t.getText());
|
|---|
| 144 | if (avp != null) {
|
|---|
| 145 | Double attribute = null;
|
|---|
| 146 | try {
|
|---|
| 147 | attribute = avp.getDoubleAttribute();
|
|---|
| 148 | } catch (NumberFormatException e) {
|
|---|
| 149 | }
|
|---|
| 150 | Double value = null;
|
|---|
| 151 | try {
|
|---|
| 152 | // If the data is not valid move to the next item
|
|---|
| 153 | value = avp.getDoubleValue();
|
|---|
| 154 | } catch (NumberFormatException e) {
|
|---|
| 155 | continue;
|
|---|
| 156 | }
|
|---|
| 157 |
|
|---|
| 158 | try {
|
|---|
| 159 | RegularTimePeriod rtp = null;
|
|---|
| 160 | if (attribute == null) {
|
|---|
| 161 | Date date = Util.parseDate(avp.getAttribute());
|
|---|
| 162 | rtp = _periodType.getConstructor(
|
|---|
| 163 | new Class[] { Date.class }).newInstance(
|
|---|
| 164 | new Object[] { date });
|
|---|
| 165 | } else {
|
|---|
| 166 | if (_periodType.equals(Year.class)) {
|
|---|
| 167 | int year = (int) Math.floor(attribute);
|
|---|
| 168 | Calendar c = Calendar.getInstance();
|
|---|
| 169 | c.setTime(_startDate);
|
|---|
| 170 | rtp = new Year(year + c.get(Calendar.YEAR));
|
|---|
| 171 | } else if (_periodType.equals(Quarter.class)) {
|
|---|
| 172 | int quarter = (int) Math.floor(attribute);
|
|---|
| 173 | rtp = new Quarter(quarter, new Year(_startDate));
|
|---|
| 174 | } else if (_periodType.equals(Month.class)) {
|
|---|
| 175 | int month = (int) Math.floor(attribute);
|
|---|
| 176 | rtp = new Month(month, new Year(_startDate));
|
|---|
| 177 | } else if (_periodType.equals(Week.class)) {
|
|---|
| 178 | int week = (int) Math.floor(attribute);
|
|---|
| 179 | rtp = new Week(week, new Year(_startDate));
|
|---|
| 180 | } else if (_periodType.equals(Day.class)) {
|
|---|
| 181 | int day = (int) Math.floor(attribute);
|
|---|
| 182 | Calendar c = Calendar.getInstance();
|
|---|
| 183 | c.setTime(_startDate);
|
|---|
| 184 | rtp = new Day(day
|
|---|
| 185 | + c.get(Calendar.DAY_OF_MONTH), 1 + c
|
|---|
| 186 | .get(Calendar.MONTH), c
|
|---|
| 187 | .get(Calendar.YEAR));
|
|---|
| 188 | } else if (_periodType.equals(Hour.class)) {
|
|---|
| 189 | int hour = (int) Math.floor(attribute);
|
|---|
| 190 | rtp = new Hour(hour, new Day(_startDate));
|
|---|
| 191 | } else if (_periodType.equals(Minute.class)) {
|
|---|
| 192 | int minute = (int) Math.floor(attribute);
|
|---|
| 193 | rtp = new Minute(minute, new Hour(_startDate));
|
|---|
| 194 | } else if (_periodType.equals(Second.class)) {
|
|---|
| 195 | int second = (int) Math.floor(attribute);
|
|---|
| 196 | rtp = new Second(second, new Minute(_startDate));
|
|---|
| 197 | } else if (_periodType.equals(Millisecond.class)) {
|
|---|
| 198 | int milli = (int) Math.floor(attribute);
|
|---|
| 199 | rtp = new Millisecond(milli, new Second(
|
|---|
| 200 | _startDate));
|
|---|
| 201 | }
|
|---|
| 202 | }
|
|---|
| 203 | newSeries.add(rtp, value);
|
|---|
| 204 | foundData = true;
|
|---|
| 205 | if (newColor == null)
|
|---|
| 206 | newColor = i.getColor();
|
|---|
| 207 | } catch (Exception e) {
|
|---|
| 208 | // Ignore the data point if it cant be parsed
|
|---|
| 209 | e.printStackTrace();
|
|---|
| 210 | }
|
|---|
| 211 | }
|
|---|
| 212 | }
|
|---|
| 213 | }
|
|---|
| 214 | if (foundData) {
|
|---|
| 215 | _data.addSeries(newSeries);
|
|---|
| 216 | _paints.put(categoryName, SwingConversions.toSwingColor(newColor));
|
|---|
| 217 | }
|
|---|
| 218 | return foundData;
|
|---|
| 219 | }
|
|---|
| 220 | }
|
|---|
