Merge branch 'master' of ssh://git.gag.com/scm/git/fw/altos
[fw/altos] / 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         TelemetryState          last_telem_state;
33         AltosState              last_state;
34         AltosGreatCircle        last_from_receiver;
35         Location                last_receiver;
36         AltosDroid              altos_droid;
37
38         public abstract void show(TelemetryState telem_state, AltosState state, AltosGreatCircle from_receiver, Location receiver);
39
40         public abstract String tab_name();
41
42         public void set_map_type(int map_type) {
43         }
44
45         public void units_changed(boolean imperial_units) {
46                 if (!isHidden())
47                         show(last_telem_state, last_state, last_from_receiver, last_receiver);
48         }
49
50         public void set_value(TextView text_view,
51                               AltosUnits units,
52                               int width,
53                               double value) {
54                 if (value == AltosLib.MISSING)
55                         text_view.setText("");
56                 else
57                         text_view.setText(units.show(width, value));
58         }
59
60         public void set_visible(boolean visible) {
61                 FragmentTransaction     ft = AltosDroid.fm.beginTransaction();
62                 AltosDebug.debug("set visible %b %s\n", visible, tab_name());
63                 if (visible) {
64                         ft.show(this);
65                         show(last_telem_state, last_state, last_from_receiver, last_receiver);
66                 } else
67                         ft.hide(this);
68                 ft.commitAllowingStateLoss();
69         }
70
71         @Override
72         public void onAttach(Activity activity) {
73                 super.onAttach(activity);
74                 altos_droid = (AltosDroid) activity;
75                 altos_droid.registerTab(this);
76         }
77
78         @Override
79         public void onDetach() {
80                 super.onDetach();
81                 altos_droid.unregisterTab(this);
82                 altos_droid = null;
83         }
84
85         @Override
86         public void onResume() {
87                 super.onResume();
88                 AltosDebug.debug("onResume tab %s\n", tab_name());
89                 set_visible(true);
90         }
91
92         public void update_ui(TelemetryState telem_state, AltosState state,
93                               AltosGreatCircle from_receiver, Location receiver, boolean is_current)
94         {
95                 last_telem_state = telem_state;
96                 last_state = state;
97                 last_from_receiver = from_receiver;
98                 last_receiver = receiver;
99                 AltosDebug.debug("update_ui tab %s is_current %b\n", tab_name(), is_current);
100                 if (is_current)
101                         show(telem_state, state, from_receiver, receiver);
102                 else
103                         return;
104         }
105 }