git.gag.com Git - fw/altos/blob - altosdroid/app/src/main/java/org/altusmetrum/AltosDroid/AltosDroidTab.java

   1 /*
   2  * Copyright © 2013 Mike Beattie <mike@ethernal.org>
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful, but
  10  * WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License along
  15  * with this program; if not, write to the Free Software Foundation, Inc.,
  16  * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
  17  */
  18
  19 package org.altusmetrum.AltosDroid;
  20
  21 import org.altusmetrum.altoslib_13.*;
  22 import android.location.Location;
  23 import android.app.Activity;
  24 import android.graphics.Color;
  25 import android.os.Bundle;
  26 import android.support.v4.app.Fragment;
  27 import android.support.v4.app.FragmentTransaction;
  28 import android.support.v4.app.FragmentManager;
  29 import android.location.Location;
  30 import android.widget.TextView;
  31
  32 public abstract class AltosDroidTab extends Fragment implements AltosUnitsListener {
  33         TelemetryState          last_telem_state;
  34         AltosState              last_state;
  35         AltosGreatCircle        last_from_receiver;
  36         Location                last_receiver;
  37         AltosDroid              altos_droid;
  38
  39         public abstract void show(TelemetryState telem_state, AltosState state, AltosGreatCircle from_receiver, Location receiver);
  40
  41         public abstract String tab_name();
  42
  43         public void units_changed(boolean imperial_units) {
  44                 if (!isHidden())
  45                         show(last_telem_state, last_state, last_from_receiver, last_receiver);
  46         }
  47
  48         public void set_value(TextView text_view,
  49                               AltosUnits units,
  50                               int width,
  51                               double value) {
  52                 if (value == AltosLib.MISSING)
  53                         text_view.setText("");
  54                 else
  55                         text_view.setText(units.show(width, value));
  56         }
  57
  58         public void set_visible(boolean visible) {
  59                 FragmentTransaction     ft = AltosDroid.fm.beginTransaction();
  60                 AltosDebug.debug("set visible %b %s\n", visible, tab_name());
  61                 if (visible) {
  62                         ft.show(this);
  63                         show(last_telem_state, last_state, last_from_receiver, last_receiver);
  64                 } else
  65                         ft.hide(this);
  66                 try {
  67                         ft.commitAllowingStateLoss();
  68                 } catch (IllegalStateException ie) {
  69                 }
  70         }
  71
  72         @Override
  73         public void onAttach(Activity activity) {
  74                 super.onAttach(activity);
  75                 altos_droid = (AltosDroid) activity;
  76                 altos_droid.registerTab(this);
  77         }
  78
  79         @Override
  80         public void onDetach() {
  81                 super.onDetach();
  82                 altos_droid.unregisterTab(this);
  83                 altos_droid = null;
  84         }
  85
  86         @Override
  87         public void onResume() {
  88                 super.onResume();
  89                 AltosDebug.debug("onResume tab %s\n", tab_name());
  90                 set_visible(true);
  91         }
  92
  93         public void update_ui(TelemetryState telem_state, AltosState state,
  94                               AltosGreatCircle from_receiver, Location receiver, boolean is_current)
  95         {
  96                 last_telem_state = telem_state;
  97                 last_state = state;
  98                 last_from_receiver = from_receiver;
  99                 last_receiver = receiver;
 100                 if (is_current)
 101                         show(telem_state, state, from_receiver, receiver);
 102                 else
 103                         return;
 104         }
 105 }