altosui: remove un-used imports

[fw/altos] / altosui / AltosSiteMap.java

diff --git a/altosui/AltosSiteMap.java b/altosui/AltosSiteMap.java
index c258b3e5559728f364105d0794f89f4c8eba9784..d928dd5c1ce5e6d26ee32f42c5f56ec4f4a8fc2a 100644 (file)
--- a/altosui/AltosSiteMap.java
+++ b/altosui/AltosSiteMap.java
@@ -18,19 +18,12 @@
 package altosui;
 
 import java.awt.*;
-import java.awt.image.*;
-import java.awt.event.*;
 import javax.swing.*;
-import javax.swing.event.MouseInputAdapter;
-import javax.imageio.ImageIO;
-import javax.swing.table.*;
 import java.io.*;
-import java.util.*;
-import java.text.*;
-import java.util.prefs.*;
 import java.lang.Math;
 import java.awt.geom.Point2D;
-import java.awt.geom.Line2D;
+import java.util.concurrent.*;
+import org.altusmetrum.AltosLib.*;
 
 public class AltosSiteMap extends JScrollPane implements AltosFlightDisplay {
        // preferred vertical step in a tile in naut. miles
@@ -110,7 +103,7 @@ public class AltosSiteMap extends JScrollPane implements AltosFlightDisplay {
                return latlng(pt, scale_x, scale_y);
        }
 
-       HashMap<Point,AltosSiteMapTile> mapTiles = new HashMap<Point,AltosSiteMapTile>();
+       ConcurrentHashMap<Point,AltosSiteMapTile> mapTiles = new ConcurrentHashMap<Point,AltosSiteMapTile>();
        Point2D.Double centre;
 
        private Point2D.Double tileCoordOffset(Point p) {
@@ -249,7 +242,7 @@ public class AltosSiteMap extends JScrollPane implements AltosFlightDisplay {
                char chlng = lng < 0 ? 'W' : 'E';
                if (lat < 0) lat = -lat;
                if (lng < 0) lng = -lng;
-               return new File(AltosPreferences.mapdir(),
+               return new File(AltosUIPreferences.mapdir(),
                                String.format("map-%c%.6f,%c%.6f-%d.png",
                                              chlat, lat, chlng, lng, zoom));
        }