altosui/telegps: Reduce CPU time needed for flight displays
[fw/altos] / altosui / AltosIgnitor.java
1 /*
2  * Copyright © 2014 Keith Packard <keithp@keithp.com>
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 altosui;
19
20 import java.awt.*;
21 import javax.swing.*;
22 import org.altusmetrum.altoslib_4.*;
23 import org.altusmetrum.altosuilib_2.*;
24
25 public class AltosIgnitor extends JComponent implements AltosFlightDisplay {
26         GridBagLayout   layout;
27
28         public class LaunchStatus implements AltosFontListener, AltosUnitsListener {
29                 JLabel          label;
30                 JTextField      value;
31                 AltosLights     lights;
32
33                 void show(AltosState state, AltosListenerState listener_state) {}
34
35                 void reset() {
36                         value.setText("");
37                         lights.set(false);
38                 }
39
40                 public void show() {
41                         label.setVisible(true);
42                         value.setVisible(true);
43                         lights.setVisible(true);
44                 }
45
46                 void show(String s) {
47                         show();
48                         value.setText(s);
49                 }
50
51                 void show(String format, double value) {
52                         show(String.format(format, value));
53                 }
54
55                 void show(String format, int value) {
56                         show(String.format(format, value));
57                 }
58
59                 public void hide() {
60                         label.setVisible(false);
61                         value.setVisible(false);
62                         lights.setVisible(false);
63                 }
64
65                 public void dispose() {
66                         hide();
67                 }
68
69                 public void font_size_changed(int font_size) {
70                         label.setFont(Altos.label_font);
71                         value.setFont(Altos.value_font);
72                 }
73
74                 public void units_changed(boolean imperial_units) {
75                 }
76
77                 public void set_label(String text) {
78                         label.setText(text);
79                 }
80
81                 public LaunchStatus (GridBagLayout layout, int y, String text) {
82                         GridBagConstraints      c = new GridBagConstraints();
83                         c.weighty = 1;
84
85                         lights = new AltosLights();
86                         c.gridx = 0; c.gridy = y;
87                         c.anchor = GridBagConstraints.CENTER;
88                         c.fill = GridBagConstraints.VERTICAL;
89                         c.weightx = 0;
90                         layout.setConstraints(lights, c);
91                         add(lights);
92
93                         label = new JLabel(text);
94                         label.setFont(Altos.label_font);
95                         label.setHorizontalAlignment(SwingConstants.LEFT);
96                         c.gridx = 1; c.gridy = y;
97                         c.insets = new Insets(Altos.tab_elt_pad, Altos.tab_elt_pad, Altos.tab_elt_pad, Altos.tab_elt_pad);
98                         c.anchor = GridBagConstraints.WEST;
99                         c.fill = GridBagConstraints.VERTICAL;
100                         c.weightx = 0;
101                         layout.setConstraints(label, c);
102                         add(label);
103
104                         value = new JTextField(Altos.text_width);
105                         value.setEditable(false);
106                         value.setFont(Altos.value_font);
107                         value.setHorizontalAlignment(SwingConstants.RIGHT);
108                         c.gridx = 2; c.gridy = y;
109                         c.anchor = GridBagConstraints.WEST;
110                         c.fill = GridBagConstraints.BOTH;
111                         c.weightx = 1;
112                         layout.setConstraints(value, c);
113                         add(value);
114
115                 }
116         }
117
118         class Ignitor extends LaunchStatus {
119                 int ignitor;
120
121                 void show (AltosState state, AltosListenerState listener_state) {
122                         if (state == null || state.ignitor_voltage[ignitor] == AltosLib.MISSING) {
123                                 hide();
124                         } else {
125                                 show("%4.2f V", state.ignitor_voltage[ignitor]);
126                                 lights.set(state.ignitor_voltage[ignitor] >= AltosLib.ao_igniter_good);
127                         }
128                 }
129
130                 public Ignitor (GridBagLayout layout, int y) {
131                         super(layout, y, String.format ("%s Voltage", AltosLib.ignitor_name(y)));
132                         ignitor = y;
133                 }
134         }
135
136         Ignitor[] ignitors;
137
138         public void reset() {
139                 if (ignitors == null)
140                         return;
141                 for (int i = 0; i < ignitors.length; i++)
142                         ignitors[i].reset();
143         }
144
145         public void font_size_changed(int font_size) {
146                 if (ignitors == null)
147                         return;
148                 for (int i = 0; i < ignitors.length; i++)
149                         ignitors[i].font_size_changed(font_size);
150         }
151
152         public void units_changed(boolean imperial_units) {
153         }
154
155         public void show(AltosState state, AltosListenerState listener_state) {
156                 make_ignitors(state);
157                 if (ignitors == null)
158                         return;
159                 for (int i = 0; i < ignitors.length; i++)
160                         ignitors[i].show(state, listener_state);
161                 return;
162         }
163
164         public boolean should_show(AltosState state) {
165                 if (state == null)
166                         return false;
167                 if (state.ignitor_voltage == null)
168                         return false;
169                 return state.ignitor_voltage.length > 0;
170         }
171
172         void make_ignitors(AltosState state) {
173                 int n = state == null ? 0 : state.ignitor_voltage.length;
174
175                 if (n > 0) {
176
177                         if (ignitors == null || ignitors.length != n) {
178                                 layout = new GridBagLayout();
179
180                                 setLayout(layout);
181                                 ignitors = new Ignitor[n];
182                                 for (int i = 0; i < n; i++)
183                                         ignitors[i] = new Ignitor(layout, i);
184                         }
185                 } else {
186                         if (ignitors != null) {
187                                 for (int i = 0; i < n; i++)
188                                         ignitors[i].dispose();
189                                 ignitors = null;
190                                 setVisible(false);
191                         }
192                 }
193         }
194
195         public String getName() {
196                 return "Ignitors";
197         }
198
199         public AltosIgnitor() {
200                 make_ignitors(null);
201         }
202 }