git.gag.com Git - fw/altos/blob - altosui/AltosGraphDataSet.java

   1 /*
   2  * Copyright © 2013 Keith Packard <keithp@keithp.com>
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; version 2 of the License.
   7  *
   8  * This program is distributed in the hope that it will be useful, but
   9  * WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11  * General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU General Public License along
  14  * with this program; if not, write to the Free Software Foundation, Inc.,
  15  * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
  16  */
  17
  18 package altosui;
  19
  20 import java.lang.*;
  21 import java.io.*;
  22 import java.util.*;
  23 import org.altusmetrum.altoslib_1.*;
  24 import org.altusmetrum.altosuilib_1.*;
  25
  26 class AltosGraphIterator implements Iterator<AltosUIDataPoint> {
  27         AltosGraphDataSet       dataSet;
  28         Iterator<AltosRecord>   iterator;
  29
  30         AltosState      state;
  31
  32         public boolean hasNext() {
  33                 return iterator.hasNext();
  34         }
  35
  36         public AltosUIDataPoint next() {
  37                 state = new AltosState(iterator.next(), state);
  38
  39                 if ((state.data.seen & AltosRecord.seen_flight) != 0) {
  40                         if (dataSet.callsign == null && state.data.callsign != null)
  41                                 dataSet.callsign = state.data.callsign;
  42
  43                         if (dataSet.serial == 0 && state.data.serial != 0)
  44                                 dataSet.serial = state.data.serial;
  45
  46                         if (dataSet.flight == 0 && state.data.flight != 0)
  47                                 dataSet.flight = state.data.flight;
  48                 }
  49
  50                 return new AltosGraphDataPoint(state);
  51         }
  52
  53         public AltosGraphIterator (Iterator<AltosRecord> iterator, AltosGraphDataSet dataSet) {
  54                 this.iterator = iterator;
  55                 this.state = null;
  56                 this.dataSet = dataSet;
  57         }
  58
  59         public void remove() {
  60         }
  61 }
  62
  63 class AltosGraphIterable implements Iterable<AltosUIDataPoint> {
  64         AltosGraphDataSet       dataSet;
  65
  66         public Iterator<AltosUIDataPoint> iterator() {
  67                 return new AltosGraphIterator(dataSet.records.iterator(), dataSet);
  68         }
  69
  70         public AltosGraphIterable(AltosGraphDataSet dataSet) {
  71                 this.dataSet = dataSet;
  72         }
  73 }
  74
  75 public class AltosGraphDataSet implements AltosUIDataSet {
  76         String                  callsign;
  77         int                     serial;
  78         int                     flight;
  79         AltosRecordIterable     records;
  80
  81         public String name() {
  82                 if (callsign != null)
  83                         return String.format("%s - %d/%d", callsign, serial, flight);
  84                 else
  85                         return String.format("%d/%d", serial, flight);
  86         }
  87
  88         public Iterable<AltosUIDataPoint> dataPoints() {
  89                 return new AltosGraphIterable(this);
  90         }
  91
  92         public AltosGraphDataSet (AltosRecordIterable records) {
  93                 this.records = records;
  94                 this.callsign = null;
  95                 this.serial = 0;
  96                 this.flight = 0;
  97         }
  98 }