tim/prune/function/compress/MarkPointsInRectangleFunction.java

   1 package tim.prune.function.compress;
   2
   3 import javax.swing.JOptionPane;
   4
   5 import tim.prune.App;
   6 import tim.prune.GenericFunction;
   7 import tim.prune.I18nManager;
   8 import tim.prune.UpdateMessageBroker;
   9 import tim.prune.data.DataPoint;
  10
  11 /**
  12  * Function to mark all the points in the selected rectangle
  13  */
  14 public class MarkPointsInRectangleFunction extends GenericFunction
  15 {
  16         /** Minimum and maximum latitude values of rectangle */
  17         private double _minLat = 0.0, _maxLat = 0.0;
  18         /** Minimum and maximum longitude values of rectangle */
  19         private double _minLon = 0.0, _maxLon = 0.0;
  20
  21
  22         /**
  23          * Constructor
  24          * @param inApp App object
  25          */
  26         public MarkPointsInRectangleFunction(App inApp)
  27         {
  28                 super(inApp);
  29         }
  30
  31         /**
  32          * Set the coordinates of the rectangle
  33          * @param inLon1 first longitude value
  34          * @param inLat1 first latitude value
  35          * @param inLon2 second longitude value
  36          * @param inLat2 second latitude value
  37          */
  38         public void setRectCoords(double inLon1, double inLat1, double inLon2, double inLat2)
  39         {
  40                 if (inLon1 == inLon2 || inLat1 == inLat2)
  41                 {
  42                         // Coordinates not valid
  43                         _minLat = _maxLat = _minLon = _maxLon = 0.0;
  44                 }
  45                 else
  46                 {
  47                         if (inLon2 > inLon1) {
  48                                 _minLon = inLon1; _maxLon = inLon2;
  49                         }
  50                         else {
  51                                 _minLon = inLon2; _maxLon = inLon1;
  52                         }
  53                         if (inLat2 > inLat1) {
  54                                 _minLat = inLat1; _maxLat = inLat2;
  55                         }
  56                         else {
  57                                 _minLat = inLat2; _maxLat = inLat1;
  58                         }
  59                 }
  60         }
  61
  62         /**
  63          * Begin the function using the set parameters
  64          */
  65         public void begin()
  66         {
  67                 if (_maxLon == _minLon || _maxLat == _minLat) {
  68                         return;
  69                 }
  70
  71                 // Loop over all points in track
  72                 final int numPoints = _app.getTrackInfo().getTrack().getNumPoints();
  73                 int numMarked = 0;
  74                 for (int i=0; i<numPoints; i++)
  75                 {
  76                         DataPoint point = _app.getTrackInfo().getTrack().getPoint(i);
  77                         // For each point, see if it's within the rectangle
  78                         final double pointLon = point.getLongitude().getDouble();
  79                         final double pointLat = point.getLatitude().getDouble();
  80                         final boolean insideRect = (pointLon >= _minLon && pointLon <= _maxLon
  81                                 && pointLat >= _minLat && pointLat <= _maxLat);
  82                         // If so, then mark it
  83                         point.setMarkedForDeletion(insideRect);
  84                         if (insideRect) {
  85                                 numMarked++;
  86                         }
  87                 }
  88
  89                 // Inform subscribers to update display
  90                 UpdateMessageBroker.informSubscribers();
  91                 // Confirm message showing how many marked
  92                 if (numMarked > 0) {
  93                         JOptionPane.showMessageDialog(_parentFrame, I18nManager.getText("dialog.compress.confirm1")
  94                                 + " " + numMarked + " " + I18nManager.getText("dialog.compress.confirm2"),
  95                                 I18nManager.getText(getNameKey()), JOptionPane.INFORMATION_MESSAGE);
  96                 }
  97         }
  98
  99         /** @return name key */
 100         public String getNameKey() {
 101                 return "menu.track.markrectangle";
 102         }
 103 }