X-Git-Url: https://git.gag.com/?p=fw%2Faltos;a=blobdiff_plain;f=altosdroid%2Fsrc%2Forg%2Faltusmetrum%2FAltosDroid%2FAltosDroidTab.java;h=ec73f5e3c4ba5f102278719b7ec20ee4a3283ec9;hp=68bbe5935489b5875c94e21ca3273684104dce17;hb=d5c038473d56ebbe61b8a71b5eb28d03385f8c48;hpb=59dfcbe14622c20aaa7d5b131eece9f4c8db6887

diff --git a/altosdroid/src/org/altusmetrum/AltosDroid/AltosDroidTab.java b/altosdroid/src/org/altusmetrum/AltosDroid/AltosDroidTab.java
index 68bbe593..ec73f5e3 100644
--- a/altosdroid/src/org/altusmetrum/AltosDroid/AltosDroidTab.java
+++ b/altosdroid/src/org/altusmetrum/AltosDroid/AltosDroidTab.java
@@ -3,7 +3,8 @@
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
  *
  * This program is distributed in the hope that it will be useful, but
  * WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -17,8 +18,88 @@
 
 package org.altusmetrum.AltosDroid;
 
-import org.altusmetrum.altoslib_1.AltosState;
+import org.altusmetrum.altoslib_12.*;
+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 interface AltosDroidTab {
-	public void update_ui(AltosState state);
+public abstract class AltosDroidTab extends Fragment implements AltosUnitsListener {
+	TelemetryState		last_telem_state;
+	AltosState		last_state;
+	AltosGreatCircle	last_from_receiver;
+	Location		last_receiver;
+	AltosDroid		altos_droid;
+
+	public abstract void show(TelemetryState telem_state, AltosState state, AltosGreatCircle from_receiver, Location receiver);
+
+	public abstract String tab_name();
+
+	public void units_changed(boolean imperial_units) {
+		if (!isHidden())
+			show(last_telem_state, 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();
+		AltosDebug.debug("set visible %b %s\n", visible, tab_name());
+		if (visible) {
+			ft.show(this);
+			show(last_telem_state, last_state, last_from_receiver, last_receiver);
+		} else
+			ft.hide(this);
+		try {
+			ft.commitAllowingStateLoss();
+		} catch (IllegalStateException ie) {
+		}
+	}
+
+	@Override
+	public void onAttach(Activity activity) {
+		super.onAttach(activity);
+		altos_droid = (AltosDroid) activity;
+		altos_droid.registerTab(this);
+	}
+
+	@Override
+	public void onDetach() {
+		super.onDetach();
+		altos_droid.unregisterTab(this);
+		altos_droid = null;
+	}
+
+	@Override
+	public void onResume() {
+		super.onResume();
+		AltosDebug.debug("onResume tab %s\n", tab_name());
+		set_visible(true);
+	}
+
+	public void update_ui(TelemetryState telem_state, AltosState state,
+			      AltosGreatCircle from_receiver, Location receiver, boolean is_current)
+	{
+		last_telem_state = telem_state;
+		last_state = state;
+		last_from_receiver = from_receiver;
+		last_receiver = receiver;
+		if (is_current)
+			show(telem_state, state, from_receiver, receiver);
+		else
+			return;
+	}
 }