1 package au.gov.amsa.animator;
2
3 import java.awt.Window;
4 import java.awt.event.WindowAdapter;
5 import java.awt.event.WindowEvent;
6 import java.util.prefs.Preferences;
7
8 import org.geotools.geometry.jts.ReferencedEnvelope;
9 import org.geotools.referencing.crs.DefaultGeographicCRS;
10
11 public class AnimatorPreferences {
12
13 public static ReferencedEnvelope restoreBounds(double defaultX1, double defaultX2,
14 double defaultY1, double defaultY2, Window window, Animator animator) {
15 Preferences prefs = Preferences.userNodeForPackage(Animator.class);
16 double x1 = Double.parseDouble(prefs.get("bounds.x1", defaultX1 + ""));
17 double x2 = Double.parseDouble(prefs.get("bounds.x2", defaultX2 + ""));
18 double y1 = Double.parseDouble(prefs.get("bounds.y1", defaultY1 + ""));
19 double y2 = Double.parseDouble(prefs.get("bounds.y2", defaultY2 + ""));
20 window.addWindowListener(new WindowAdapter() {
21
22 @Override
23 public void windowClosing(WindowEvent e) {
24 ReferencedEnvelope bounds = animator.getBounds();
25 prefs.put("bounds.x1", bounds.getMinX() + "");
26 prefs.put("bounds.x2", bounds.getMaxX() + "");
27 prefs.put("bounds.y1", bounds.getMinY() + "");
28 prefs.put("bounds.y2", bounds.getMaxY() + "");
29 }
30
31 });
32 return new ReferencedEnvelope(x1, x2, y1, y2, DefaultGeographicCRS.WGS84);
33 }
34 }