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         /** flag to remember whether the automatic deletion has been set to always */
  21         private boolean _automaticallyDelete = false;
  22
  23
  24         /**
  25          * Constructor
  26          * @param inApp App object
  27          */
  28         public MarkPointsInRectangleFunction(App inApp)
  29         {
  30                 super(inApp);
  31         }
  32
  33         /** @return name key */
  34         public String getNameKey() {
  35                 return "menu.track.markrectangle";
  36         }
  37
  38         /**
  39          * Set the coordinates of the rectangle
  40          * @param inLon1 first longitude value
  41          * @param inLat1 first latitude value
  42          * @param inLon2 second longitude value
  43          * @param inLat2 second latitude value
  44          */
  45         public void setRectCoords(double inLon1, double inLat1, double inLon2, double inLat2)
  46         {
  47                 if (inLon1 == inLon2 || inLat1 == inLat2)
  48                 {
  49                         // Coordinates not valid
  50                         _minLat = _maxLat = _minLon = _maxLon = 0.0;
  51                 }
  52                 else
  53                 {
  54                         if (inLon2 > inLon1) {
  55                                 _minLon = inLon1; _maxLon = inLon2;
  56                         }
  57                         else {
  58                                 _minLon = inLon2; _maxLon = inLon1;
  59                         }
  60                         if (inLat2 > inLat1) {
  61                                 _minLat = inLat1; _maxLat = inLat2;
  62                         }
  63                         else {
  64                                 _minLat = inLat2; _maxLat = inLat1;
  65                         }
  66                 }
  67         }
  68
  69         /**
  70          * Begin the function using the set parameters
  71          */
  72         public void begin()
  73         {
  74                 if (_maxLon == _minLon || _maxLat == _minLat) {
  75                         return;
  76                 }
  77
  78                 // Loop over all points in track
  79                 final int numPoints = _app.getTrackInfo().getTrack().getNumPoints();
  80                 int numMarked = 0;
  81                 for (int i=0; i<numPoints; i++)
  82                 {
  83                         DataPoint point = _app.getTrackInfo().getTrack().getPoint(i);
  84                         // For each point, see if it's within the rectangle
  85                         final double pointLon = point.getLongitude().getDouble();
  86                         final double pointLat = point.getLatitude().getDouble();
  87                         final boolean insideRect = (pointLon >= _minLon && pointLon <= _maxLon
  88                                 && pointLat >= _minLat && pointLat <= _maxLat);
  89                         // If so, then mark it
  90                         point.setMarkedForDeletion(insideRect);
  91                         if (insideRect) {
  92                                 numMarked++;
  93                         }
  94                 }
  95
  96                 // Inform subscribers to update display
  97                 UpdateMessageBroker.informSubscribers();
  98                 // Confirm message showing how many marked
  99                 if (numMarked > 0)
 100                 {
 101                         // Allow calling of delete function with one click
 102                         final String[] buttonTexts = {I18nManager.getText("button.yes"), I18nManager.getText("button.no"),
 103                                 I18nManager.getText("button.always")};
 104                         int answer = _automaticallyDelete ? JOptionPane.YES_OPTION :
 105                                 JOptionPane.showOptionDialog(_parentFrame,
 106                                 I18nManager.getTextWithNumber("dialog.compress.confirm", numMarked),
 107                                 I18nManager.getText(getNameKey()), JOptionPane.YES_NO_CANCEL_OPTION,
 108                                 JOptionPane.WARNING_MESSAGE, null, buttonTexts, buttonTexts[1]);
 109                         if (answer == JOptionPane.CANCEL_OPTION) {_automaticallyDelete = true;} // "always" is third option
 110                         if (_automaticallyDelete || answer == JOptionPane.YES_OPTION)
 111                         {
 112                                 new Thread(new Runnable() {
 113                                         public void run() {
 114                                                 _app.finishCompressTrack();
 115                                         }
 116                                 }).start();
 117                         }
 118                 }
 119         }
 120 }