altosdroid: Add imperial unit support

[fw/altos] / altosdroid / src / org / altusmetrum / AltosDroid / AltosDroidTab.java

diff --git a/altosdroid/src/org/altusmetrum/AltosDroid/AltosDroidTab.java b/altosdroid/src/org/altusmetrum/AltosDroid/AltosDroidTab.java
index 7b5b01b3ba332510a2976953c9bf0e8eab3c7edc..8e625da6563b8268242d9166a6019cc23e47fac3 100644 (file)
--- a/altosdroid/src/org/altusmetrum/AltosDroid/AltosDroidTab.java
+++ b/altosdroid/src/org/altusmetrum/AltosDroid/AltosDroidTab.java
@@ -27,8 +27,9 @@ import android.support.v4.app.FragmentTransaction;
 import android.support.v4.app.FragmentManager;
 import android.location.Location;
 import android.util.Log;
+import android.widget.TextView;
 
-public abstract class AltosDroidTab extends Fragment {
+public abstract class AltosDroidTab extends Fragment implements AltosUnitsListener {
        AltosState              last_state;
        AltosGreatCircle        last_from_receiver;
        Location                last_receiver;
@@ -37,6 +38,21 @@ public abstract class AltosDroidTab extends Fragment {
 
        public abstract String tab_name();
 
+       public void units_changed(boolean imperial_units) {
+               if (!isHidden() && last_state != null)
+                       show(last_state, last_from_receiver, last_receiver);
+       }
+
+       public void set_value(TextView text_view,
+                             AltosUnits units,
+                             int width,
+                             double value) {
+               if (value == AltosLib.MISSING)
+                       text_view.setText("");
+               else
+                       text_view.setText(units.show(width, value));
+       }
+
        public void set_visible(boolean visible) {
                FragmentTransaction     ft = AltosDroid.fm.beginTransaction();
                if (visible) {
@@ -44,9 +60,6 @@ public abstract class AltosDroidTab extends Fragment {
                        AltosGreatCircle        from_receiver = last_from_receiver;
                        Location                receiver = last_receiver;
 
-                       last_state = null;
-                       last_from_receiver = null;
-                       last_receiver = null;
                        show(state, from_receiver, receiver);
                        ft.show(this);
                } else
@@ -55,15 +68,15 @@ public abstract class AltosDroidTab extends Fragment {
        }
 
        public void update_ui(AltosState state, AltosGreatCircle from_receiver, Location receiver, boolean is_current) {
+               last_state = state;
+               last_from_receiver = from_receiver;
+               last_receiver = receiver;
                if (is_current) {
                        if (AltosDroid.D) Log.d(AltosDroid.TAG, String.format("%s: visible, performing update", tab_name()));
 
                        show(state, from_receiver, receiver);
                } else {
                        if (AltosDroid.D) Log.d(AltosDroid.TAG, String.format("%s: not visible, skipping update", tab_name()));
-                       last_state = state;
-                       last_from_receiver = from_receiver;
-                       last_receiver = receiver;
                        return;
                }
        }