tim/prune/function/gpsies/TrackListModel.java

   1 package tim.prune.function.gpsies;
   2
   3 import java.text.NumberFormat;
   4 import java.util.ArrayList;
   5
   6 import javax.swing.table.AbstractTableModel;
   7
   8 import tim.prune.I18nManager;
   9 import tim.prune.config.Config;
  10 import tim.prune.data.Unit;
  11
  12 /**
  13  * Model for list of tracks from gpsies.com
  14  */
  15 public class TrackListModel extends AbstractTableModel
  16 {
  17         /** List of tracks */
  18         private ArrayList<GpsiesTrack> _trackList = null;
  19         /** Column heading for track name */
  20         private String _nameColLabel = null;
  21         /** Column heading for length */
  22         private String _lengthColLabel = null;
  23         /** Number of columns */
  24         private int _numColumns = 2;
  25         /** Formatter for distances */
  26         private NumberFormat _distanceFormatter = NumberFormat.getInstance();
  27
  28         /**
  29          * Constructor
  30          * @param inColumn1Key key for first column
  31          * @param inColumn2Key key for second column
  32          */
  33         public TrackListModel(String inColumn1Key, String inColumn2Key)
  34         {
  35                 _nameColLabel = I18nManager.getText(inColumn1Key);
  36                 if (inColumn2Key != null) {
  37                         _lengthColLabel = I18nManager.getText(inColumn2Key);
  38                 }
  39                 _numColumns = (_lengthColLabel != null?2:1);
  40                 _distanceFormatter.setMaximumFractionDigits(1);
  41         }
  42
  43         /**
  44          * @return column count
  45          */
  46         public int getColumnCount()
  47         {
  48                 return _numColumns;
  49         }
  50
  51         /**
  52          * @return number of rows
  53          */
  54         public int getRowCount()
  55         {
  56                 if (_trackList == null) return 0;
  57                 return _trackList.size();
  58         }
  59
  60         /**
  61          * @param inColNum column number
  62          * @return column label for given column
  63          */
  64         public String getColumnName(int inColNum)
  65         {
  66                 if (inColNum == 0) {return _nameColLabel;}
  67                 return _lengthColLabel;
  68         }
  69
  70         /**
  71          * @param inRowNum row number
  72          * @param inColNum column number
  73          * @return cell entry at given row and column
  74          */
  75         public Object getValueAt(int inRowNum, int inColNum)
  76         {
  77                 GpsiesTrack track = _trackList.get(inRowNum);
  78                 if (inColNum == 0) {return track.getTrackName();}
  79                 double lengthM = track.getLength();
  80                 // convert to current distance units
  81                 Unit distUnit = Config.getUnitSet().getDistanceUnit();
  82                 double length = lengthM * distUnit.getMultFactorFromStd();
  83                 // Make text
  84                 return _distanceFormatter.format(length) + " " + I18nManager.getText(distUnit.getShortnameKey());
  85         }
  86
  87         /**
  88          * Add a list of tracks to this model
  89          * @param inList list of tracks to add
  90          */
  91         public void addTracks(ArrayList<GpsiesTrack> inList)
  92         {
  93                 if (_trackList == null) {_trackList = new ArrayList<GpsiesTrack>();}
  94                 final int prevCount = _trackList.size();
  95                 if (inList != null && inList.size() > 0) {
  96                         _trackList.addAll(inList);
  97                 }
  98                 final int updatedCount = _trackList.size();
  99                 if (prevCount <= 0)
 100                         fireTableDataChanged();
 101                 else
 102                         fireTableRowsInserted(prevCount, updatedCount-1);
 103         }
 104
 105         /**
 106          * @param inRowNum row number from 0
 107          * @return track object for this row
 108          */
 109         public GpsiesTrack getTrack(int inRowNum)
 110         {
 111                 return _trackList.get(inRowNum);
 112         }
 113
 114         /**
 115          * Clear the list of tracks
 116          */
 117         public void clear()
 118         {
 119                 _trackList = null;
 120         }
 121 }