altosdroid: use 'show' to set new tab contents in onResume

[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 9d155385db3f61fee18fca876923e500d9518744..cc1acd6798ab339c4a226b9984daa8fc639812f4 100644 (file)
--- a/altosdroid/src/org/altusmetrum/AltosDroid/AltosDroidTab.java
+++ b/altosdroid/src/org/altusmetrum/AltosDroid/AltosDroidTab.java
@@ -17,9 +17,72 @@
 
 package org.altusmetrum.AltosDroid;
 
-import org.altusmetrum.altoslib_3.*;
+import org.altusmetrum.altoslib_7.*;
 import android.location.Location;
+import android.app.Activity;
+import android.graphics.Color;
+import android.os.Bundle;
+import android.support.v4.app.Fragment;
+import android.support.v4.app.FragmentTransaction;
+import android.support.v4.app.FragmentManager;
+import android.location.Location;
+import android.widget.TextView;
+
+public abstract class AltosDroidTab extends Fragment implements AltosUnitsListener {
+       AltosState              last_state;
+       AltosGreatCircle        last_from_receiver;
+       Location                last_receiver;
+
+       public abstract void show(AltosState state, AltosGreatCircle from_receiver, Location receiver);
+
+       public abstract String tab_name();
+
+       public void set_map_type(int map_type) {
+       }
+
+       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) {
+                       AltosState              state = last_state;
+                       AltosGreatCircle        from_receiver = last_from_receiver;
+                       Location                receiver = last_receiver;
+
+                       ft.show(this);
+                       show(state, from_receiver, receiver);
+               } else
+                       ft.hide(this);
+               ft.commitAllowingStateLoss();
+       }
+
+       @Override
+       public void onResume() {
+               super.onResume();
+               AltosDebug.debug("onResume tab %s\n", tab_name());
+               set_visible(true);
+       }
 
-public interface AltosDroidTab {
-       public void update_ui(AltosState state, AltosGreatCircle from_receiver, Location receiver);
+       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)
+                       show(state, from_receiver, receiver);
+               else
+                       return;
+       }
 }