git.gag.com Git - fw/altos/blob - altosdroid/src/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; version 2 of the License.
   7  *
   8  * This program is distributed in the hope that it will be useful, but
   9  * WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11  * General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU General Public License along
  14  * with this program; if not, write to the Free Software Foundation, Inc.,
  15  * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
  16  */
  17
  18 package org.altusmetrum.AltosDroid;
  19
  20 import org.altusmetrum.altoslib_5.*;
  21 import android.location.Location;
  22 import android.app.Activity;
  23 import android.graphics.Color;
  24 import android.os.Bundle;
  25 import android.support.v4.app.Fragment;
  26 import android.support.v4.app.FragmentTransaction;
  27 import android.support.v4.app.FragmentManager;
  28 import android.location.Location;
  29 import android.util.Log;
  30 import android.widget.TextView;
  31
  32 public abstract class AltosDroidTab extends Fragment implements AltosUnitsListener {
  33         AltosState              last_state;
  34         AltosGreatCircle        last_from_receiver;
  35         Location                last_receiver;
  36
  37         public abstract void show(AltosState state, AltosGreatCircle from_receiver, Location receiver);
  38
  39         public abstract String tab_name();
  40
  41         public void units_changed(boolean imperial_units) {
  42                 if (!isHidden() && last_state != null)
  43                         show(last_state, last_from_receiver, last_receiver);
  44         }
  45
  46         public void set_value(TextView text_view,
  47                               AltosUnits units,
  48                               int width,
  49                               double value) {
  50                 if (value == AltosLib.MISSING)
  51                         text_view.setText("");
  52                 else
  53                         text_view.setText(units.show(width, value));
  54         }
  55
  56         public void set_visible(boolean visible) {
  57                 FragmentTransaction     ft = AltosDroid.fm.beginTransaction();
  58                 if (visible) {
  59                         AltosState              state = last_state;
  60                         AltosGreatCircle        from_receiver = last_from_receiver;
  61                         Location                receiver = last_receiver;
  62
  63                         show(state, from_receiver, receiver);
  64                         ft.show(this);
  65                 } else
  66                         ft.hide(this);
  67                 ft.commit();
  68         }
  69
  70         public void update_ui(AltosState state, AltosGreatCircle from_receiver, Location receiver, boolean is_current) {
  71                 last_state = state;
  72                 last_from_receiver = from_receiver;
  73                 last_receiver = receiver;
  74                 if (is_current) {
  75                         if (AltosDroid.D) Log.d(AltosDroid.TAG, String.format("%s: visible, performing update", tab_name()));
  76
  77                         show(state, from_receiver, receiver);
  78                 } else {
  79                         if (AltosDroid.D) Log.d(AltosDroid.TAG, String.format("%s: not visible, skipping update", tab_name()));
  80                         return;
  81                 }
  82         }
  83 }