| 1 | package org.expeditee.items.widgets.charts;
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| 2 |
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| 3 | import java.awt.Color;
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| 4 | import java.text.DateFormat;
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| 5 | import java.text.ParseException;
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| 6 | import java.text.SimpleDateFormat;
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| 7 | import java.util.Calendar;
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| 8 | import java.util.Collection;
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| 9 | import java.util.Date;
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| 10 |
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| 11 | import org.expeditee.gui.AttributeUtils;
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| 12 | import org.expeditee.gui.AttributeValuePair;
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| 13 | import org.expeditee.gui.Frame;
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| 14 | import org.expeditee.gui.FrameKeyboardActions;
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| 15 | import org.expeditee.gui.MessageBay;
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| 16 | import org.expeditee.items.Text;
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| 17 | import org.jfree.chart.ChartFactory;
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| 18 | import org.jfree.chart.JFreeChart;
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| 19 | import org.jfree.data.time.Day;
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| 20 | import org.jfree.data.time.Hour;
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| 21 | import org.jfree.data.time.Millisecond;
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| 22 | import org.jfree.data.time.Minute;
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| 23 | import org.jfree.data.time.Month;
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| 24 | import org.jfree.data.time.Quarter;
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| 25 | import org.jfree.data.time.RegularTimePeriod;
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| 26 | import org.jfree.data.time.Second;
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| 27 | import org.jfree.data.time.TimeSeriesCollection;
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| 28 | import org.jfree.data.time.Week;
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| 29 | import org.jfree.data.time.Year;
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| 30 | import org.jfree.data.xy.XYDataset;
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| 31 |
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| 32 | public class TimeSeries extends AbstractValueAxis {
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| 33 |
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| 34 | public TimeSeries(Text source, String[] args) {
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| 35 | super(source, args);
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| 36 | }
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| 37 |
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| 38 | private TimeSeriesCollection _data;
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| 39 |
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| 40 | private Class<? extends RegularTimePeriod> _periodType;
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| 41 |
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| 42 | private Date _startDate;
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| 43 |
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| 44 | protected XYDataset getChartData() {
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| 45 | if (_data == null)
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| 46 | _data = new TimeSeriesCollection();
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| 47 | return _data;
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| 48 | }
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| 49 |
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| 50 | @Override
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| 51 | public void refreshData(Frame dataFrame) {
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| 52 | String period = dataFrame.getAnnotationValue("period");
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| 53 | if (period == null) {
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| 54 | period = "day";
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| 55 | } else {
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| 56 | period = period.toLowerCase();
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| 57 | }
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| 58 | if (period.startsWith("quarter")) {
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| 59 | _periodType = Quarter.class;
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| 60 | } else if (period.startsWith("year")) {
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| 61 | _periodType = Year.class;
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| 62 | } else if (period.startsWith("month")) {
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| 63 | _periodType = Month.class;
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| 64 | } else if (period.startsWith("week")) {
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| 65 | _periodType = Week.class;
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| 66 | } else if (period.startsWith("hour")) {
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| 67 | _periodType = Hour.class;
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| 68 | } else if (period.startsWith("min")) {
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| 69 | _periodType = Minute.class;
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| 70 | } else if (period.startsWith("sec")) {
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| 71 | _periodType = Second.class;
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| 72 | } else if (period.startsWith("milli")) {
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| 73 | _periodType = Millisecond.class;
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| 74 | } else if (period.startsWith("day")) {
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| 75 | _periodType = Day.class;
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| 76 | } else {
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| 77 | MessageBay.errorMessage("Invalid time series period type: "
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| 78 | + period);
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| 79 | _periodType = Day.class;
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| 80 | }
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| 81 |
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| 82 | try {
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| 83 | String startDateString = dataFrame.getAnnotationValue("start");
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| 84 | if (startDateString != null) {
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| 85 | _startDate = parseDate(startDateString);
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| 86 | }
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| 87 | } catch (Exception e) {
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| 88 | // Use the current date
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| 89 | }
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| 90 | if (_startDate == null) {
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| 91 | _startDate = new Date();
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| 92 | }
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| 93 | super.refreshData(dataFrame);
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| 94 | }
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| 95 |
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| 96 | /**
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| 97 | * @param dataFrame
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| 98 | */
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| 99 | @Override
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| 100 | protected void clearData() {
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| 101 | _data.removeAllSeries();
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| 102 | }
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| 103 |
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| 104 | @Override
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| 105 | protected JFreeChart createNewChart() {
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| 106 | return ChartFactory.createTimeSeriesChart(DEFAULT_TITLE, DEFAULT_XAXIS,
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| 107 | DEFAULT_YAXIS, getChartData(), true, // legend?
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| 108 | true, // tooltips?
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| 109 | false // URLs?
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| 110 | );
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| 111 | }
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| 112 |
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| 113 | @Override
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| 114 | protected boolean addCategoryData(String categoryName,
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| 115 | Collection<Text> items, boolean swap) {
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| 116 | org.jfree.data.time.TimeSeries newSeries = new org.jfree.data.time.TimeSeries(
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| 117 | categoryName, _periodType);
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| 118 |
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| 119 | boolean foundData = false;
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| 120 | Color newColor = null;
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| 121 | for (Text i : items) {
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| 122 | if (!i.isLineEnd()) {
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| 123 | Text t = (Text) i;
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| 124 | AttributeValuePair avp = new AttributeValuePair(t.getText());
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| 125 | if (avp != null) {
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| 126 | Double attribute = avp.getDoubleAttribute();
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| 127 | Double value = avp.getDoubleValue();
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| 128 | // If the data is not valid move to the next item
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| 129 | if (value == null)
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| 130 | continue;
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| 131 | try {
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| 132 | RegularTimePeriod rtp = null;
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| 133 | if (attribute == null) {
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| 134 | Date date = parseDate(avp.getAttribute());
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| 135 | rtp = _periodType.getConstructor(
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| 136 | new Class[] { Date.class }).newInstance(
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| 137 | new Object[] { date });
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| 138 | } else {
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| 139 | if (_periodType.equals(Year.class)) {
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| 140 | int year = (int) Math.floor(attribute);
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| 141 | Calendar c = Calendar.getInstance();
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| 142 | c.setTime(_startDate);
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| 143 | rtp = new Year(year + c.get(Calendar.YEAR));
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| 144 | } else if (_periodType.equals(Quarter.class)) {
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| 145 | int quarter = (int) Math.floor(attribute);
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| 146 | rtp = new Quarter(quarter, new Year(_startDate));
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| 147 | } else if (_periodType.equals(Month.class)) {
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| 148 | int month = (int) Math.floor(attribute);
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| 149 | rtp = new Month(month, new Year(_startDate));
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| 150 | } else if (_periodType.equals(Week.class)) {
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| 151 | int week = (int) Math.floor(attribute);
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| 152 | rtp = new Week(week, new Year(_startDate));
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| 153 | } else if (_periodType.equals(Day.class)) {
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| 154 | int day = (int) Math.floor(attribute);
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| 155 | Calendar c = Calendar.getInstance();
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| 156 | c.setTime(_startDate);
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| 157 | rtp = new Day(day
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| 158 | + c.get(Calendar.DAY_OF_MONTH), 1 + c
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| 159 | .get(Calendar.MONTH), c
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| 160 | .get(Calendar.YEAR));
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| 161 | } else if (_periodType.equals(Hour.class)) {
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| 162 | int hour = (int) Math.floor(attribute);
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| 163 | rtp = new Hour(hour, new Day(_startDate));
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| 164 | } else if (_periodType.equals(Minute.class)) {
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| 165 | int minute = (int) Math.floor(attribute);
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| 166 | rtp = new Minute(minute, new Hour(_startDate));
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| 167 | } else if (_periodType.equals(Second.class)) {
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| 168 | int second = (int) Math.floor(attribute);
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| 169 | rtp = new Second(second, new Minute(_startDate));
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| 170 | } else if (_periodType.equals(Millisecond.class)) {
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| 171 | int milli = (int) Math.floor(attribute);
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| 172 | rtp = new Millisecond(milli, new Second(
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| 173 | _startDate));
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| 174 | }
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| 175 | }
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| 176 | newSeries.add(rtp, value);
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| 177 | foundData = true;
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| 178 | if(newColor == null)
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| 179 | newColor = i.getColor();
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| 180 | } catch (Exception e) {
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| 181 | // Ignore the data point if it cant be parsed
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| 182 | e.printStackTrace();
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| 183 | }
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| 184 | }
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| 185 | }
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| 186 | }
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| 187 | if (foundData) {
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| 188 | _data.addSeries(newSeries);
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| 189 | _paints.put(categoryName, newColor);
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| 190 | }
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| 191 | return foundData;
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| 192 | }
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| 193 |
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| 194 | /**
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| 195 | * @param avp
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| 196 | * @return
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| 197 | * @throws ParseException
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| 198 | */
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| 199 | private Date parseDate(String dateString) throws ParseException {
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| 200 | // Convert the attribute into a date
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| 201 | DateFormat df = null;
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| 202 | if (dateString.length() > FrameKeyboardActions.SHORT_DATE_FORMAT
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| 203 | .length()) {
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| 204 | df = new SimpleDateFormat(FrameKeyboardActions.LONG_DATE_FORMAT);
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| 205 | } else {
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| 206 | df = new SimpleDateFormat(FrameKeyboardActions.SHORT_DATE_FORMAT);
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| 207 | }
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| 208 | Date date = df.parse(dateString);
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| 209 | return date;
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| 210 | }
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| 211 | }
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