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 import tim.prune.function.search.SearchResult;
  12
  13 /**
  14  * Model for list of tracks from gpsies.com
  15  */
  16 public class TrackListModel extends AbstractTableModel
  17 {
  18         /** List of tracks */
  19         private ArrayList<SearchResult> _trackList = null;
  20         /** Column heading for track name */
  21         private String _nameColLabel = null;
  22         /** Column heading for length */
  23         private String _lengthColLabel = null;
  24         /** Number of columns */
  25         private int _numColumns = 2;
  26         /** Formatter for distances */
  27         private NumberFormat _distanceFormatter = NumberFormat.getInstance();
  28
  29         /**
  30          * Constructor
  31          * @param inColumn1Key key for first column
  32          * @param inColumn2Key key for second column
  33          */
  34         public TrackListModel(String inColumn1Key, String inColumn2Key)
  35         {
  36                 _nameColLabel = I18nManager.getText(inColumn1Key);
  37                 if (inColumn2Key != null) {
  38                         _lengthColLabel = I18nManager.getText(inColumn2Key);
  39                 }
  40                 _numColumns = (_lengthColLabel != null?2:1);
  41                 _distanceFormatter.setMaximumFractionDigits(1);
  42         }
  43
  44         /**
  45          * @return column count
  46          */
  47         public int getColumnCount()
  48         {
  49                 return _numColumns;
  50         }
  51
  52         /**
  53          * @return number of rows
  54          */
  55         public int getRowCount()
  56         {
  57                 if (_trackList == null) return 0;
  58                 return _trackList.size();
  59         }
  60
  61         /** @return true if there are no rows */
  62         public boolean isEmpty()
  63         {
  64                 return getRowCount() == 0;
  65         }
  66
  67         /**
  68          * @param inColNum column number
  69          * @return column label for given column
  70          */
  71         public String getColumnName(int inColNum)
  72         {
  73                 if (inColNum == 0) {return _nameColLabel;}
  74                 return _lengthColLabel;
  75         }
  76
  77         /**
  78          * @param inRowNum row number
  79          * @param inColNum column number
  80          * @return cell entry at given row and column
  81          */
  82         public Object getValueAt(int inRowNum, int inColNum)
  83         {
  84                 SearchResult track = _trackList.get(inRowNum);
  85                 if (inColNum == 0) {return track.getTrackName();}
  86                 double lengthM = track.getLength();
  87                 // convert to current distance units
  88                 Unit distUnit = Config.getUnitSet().getDistanceUnit();
  89                 double length = lengthM * distUnit.getMultFactorFromStd();
  90                 // Make text
  91                 return _distanceFormatter.format(length) + " " + I18nManager.getText(distUnit.getShortnameKey());
  92         }
  93
  94         /**
  95          * Add a list of tracks to this model
  96          * @param inList list of tracks to add
  97          */
  98         public void addTracks(ArrayList<SearchResult> inList)
  99         {
 100                 if (_trackList == null) {_trackList = new ArrayList<SearchResult>();}
 101                 final int prevCount = _trackList.size();
 102                 if (inList != null && inList.size() > 0) {
 103                         _trackList.addAll(inList);
 104                 }
 105                 final int updatedCount = _trackList.size();
 106                 if (prevCount <= 0)
 107                         fireTableDataChanged();
 108                 else
 109                         fireTableRowsInserted(prevCount, updatedCount-1);
 110         }
 111
 112         /**
 113          * @param inRowNum row number from 0
 114          * @return track object for this row
 115          */
 116         public SearchResult getTrack(int inRowNum)
 117         {
 118                 return _trackList.get(inRowNum);
 119         }
 120
 121         /**
 122          * Clear the list of tracks
 123          */
 124         public void clear()
 125         {
 126                 _trackList = null;
 127         }
 128 }