java: Refactor AltosFlightDisplay units and font update handling

[fw/altos] / telegps / TeleGPS.java

diff --git a/telegps/TeleGPS.java b/telegps/TeleGPS.java
index d30d8dc53e632b6e98d4a75ec295275501fab4e3..bef0bbc69d5ab04c36c3653a943037a75090cd3e 100644 (file)
--- a/telegps/TeleGPS.java
+++ b/telegps/TeleGPS.java
@@ -26,7 +26,10 @@ import java.util.*;
 import org.altusmetrum.altoslib_4.*;
 import org.altusmetrum.altosuilib_2.*;
 
-public class TeleGPS extends AltosUIFrame implements AltosFlightDisplay, AltosFontListener, ActionListener {
+public class TeleGPS
+       extends AltosUIFrame
+       implements AltosFlightDisplay, AltosFontListener, AltosUnitsListener, ActionListener
+{
 
        static String[] telegps_icon_names = {
                "/telegps-16.png",
@@ -126,13 +129,14 @@ public class TeleGPS extends AltosUIFrame implements AltosFlightDisplay, AltosFo
                        display.reset();
        }
 
-       public void set_font() {
+       public void font_size_changed(int font_size) {
                for (AltosFlightDisplay display : displays)
-                       display.set_font();
+                       display.font_size_changed(font_size);
        }
 
-       public void font_size_changed(int font_size) {
-               set_font();
+       public void units_changed(boolean imperial_units) {
+               for (AltosFlightDisplay display : displays)
+                       display.units_changed(imperial_units);
        }
 
        public void show(AltosState state, AltosListenerState listener_state) {
@@ -343,6 +347,7 @@ public class TeleGPS extends AltosUIFrame implements AltosFlightDisplay, AltosFo
 
        private void close() {
                AltosUIPreferences.unregister_font_listener(this);
+               AltosPreferences.unregister_units_listener(this);
                setVisible(false);
                dispose();
                --number_of_windows;
@@ -430,6 +435,7 @@ public class TeleGPS extends AltosUIFrame implements AltosFlightDisplay, AltosFo
                setDefaultCloseOperation(JFrame.DO_NOTHING_ON_CLOSE);
 
                AltosUIPreferences.register_font_listener(this);
+               AltosPreferences.register_units_listener(this);
 
                addWindowListener(new WindowAdapter() {
                                @Override