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_7.*;
  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.widget.TextView;
  30
  31 public abstract class AltosDroidTab extends Fragment implements AltosUnitsListener {
  32         AltosState              last_state;
  33         AltosGreatCircle        last_from_receiver;
  34         Location                last_receiver;
  35
  36         public abstract void show(AltosState state, AltosGreatCircle from_receiver, Location receiver);
  37
  38         public abstract String tab_name();
  39
  40         public void units_changed(boolean imperial_units) {
  41                 if (!isHidden() && last_state != null)
  42                         show(last_state, last_from_receiver, last_receiver);
  43         }
  44
  45         public void set_value(TextView text_view,
  46                               AltosUnits units,
  47                               int width,
  48                               double value) {
  49                 if (value == AltosLib.MISSING)
  50                         text_view.setText("");
  51                 else
  52                         text_view.setText(units.show(width, value));
  53         }
  54
  55         public void set_visible(boolean visible) {
  56                 FragmentTransaction     ft = AltosDroid.fm.beginTransaction();
  57                 if (visible) {
  58                         AltosState              state = last_state;
  59                         AltosGreatCircle        from_receiver = last_from_receiver;
  60                         Location                receiver = last_receiver;
  61
  62                         show(state, from_receiver, receiver);
  63                         ft.show(this);
  64                 } else
  65                         ft.hide(this);
  66                 ft.commitAllowingStateLoss();
  67         }
  68
  69         public void update_ui(AltosState state, AltosGreatCircle from_receiver, Location receiver, boolean is_current) {
  70                 last_state = state;
  71                 last_from_receiver = from_receiver;
  72                 last_receiver = receiver;
  73                 if (is_current)
  74                         show(state, from_receiver, receiver);
  75                 else
  76                         return;
  77         }
  78 }