tim/prune/function/SelectSegmentFunction.java

   1 package tim.prune.function;
   2
   3 import tim.prune.App;
   4 import tim.prune.GenericFunction;
   5 import tim.prune.data.Checker;
   6 import tim.prune.data.DataPoint;
   7
   8 /**
   9  * Function to allow the selection of which tracks to load from the file / stream
  10  */
  11 public class SelectSegmentFunction extends GenericFunction
  12 {
  13
  14         /**
  15          * Constructor
  16          * @param inApp app object to use for load
  17          */
  18         public SelectSegmentFunction(App inApp)
  19         {
  20                 super(inApp);
  21         }
  22
  23         /**
  24          * Start the function
  25          */
  26         public void begin()
  27         {
  28                 // If no point selected, or a waypoint is selected, then do nothing
  29                 DataPoint currPoint = _app.getTrackInfo().getCurrentPoint();
  30                 if (currPoint != null && !currPoint.isWaypoint())
  31                 {
  32                         // Find indexes of segment start and end
  33                         final int currIndex = _app.getTrackInfo().getSelection().getCurrentPointIndex();
  34                         final int startIndex = Checker.getPreviousSegmentStart(_app.getTrackInfo().getTrack(), currIndex+1);
  35                         final int endIndex   = Checker.getNextSegmentEnd(_app.getTrackInfo().getTrack(), currIndex);
  36                         // Select this range if there is one
  37                         if (endIndex > startIndex) {
  38                                 _app.getTrackInfo().getSelection().selectRange(startIndex, endIndex);
  39                         }
  40                 }
  41         }
  42
  43         /** @return name key */
  44         public String getNameKey() {
  45                 return "function.selectsegment";
  46         }
  47 }