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   1 /*
   2  * Copyright © 2010 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 java.awt.event.*;
  22 import javax.swing.*;
  23 import javax.swing.filechooser.FileNameExtensionFilter;
  24 import javax.swing.table.*;
  25 import java.io.*;
  26 import java.util.*;
  27 import java.text.*;
  28 import java.util.prefs.*;
  29 import java.util.concurrent.LinkedBlockingQueue;
  30
  31 public class AltosDescent extends JComponent implements AltosFlightDisplay {
  32         GridBagLayout   layout;
  33         Font            label_font;
  34         Font            value_font;
  35
  36         public class DescentValue {
  37                 JLabel          label;
  38                 JTextField      value;
  39                 void show(AltosState state, int crc_errors) {}
  40
  41                 void reset() {
  42                         value.setText("");
  43                 }
  44
  45                 void show(String format, double v) {
  46                         value.setText(String.format(format, v));
  47                 }
  48
  49                 public DescentValue (GridBagLayout layout, int y, String text) {
  50                         GridBagConstraints      c = new GridBagConstraints();
  51                         c.weighty = 1;
  52
  53                         label = new JLabel(text);
  54                         label.setFont(label_font);
  55                         label.setHorizontalAlignment(SwingConstants.LEFT);
  56                         c.gridx = 0; c.gridy = y;
  57                         c.insets = new Insets(10, 10, 10, 10);
  58                         c.anchor = GridBagConstraints.WEST;
  59                         c.fill = GridBagConstraints.VERTICAL;
  60                         c.weightx = 0;
  61                         layout.setConstraints(label, c);
  62                         add(label);
  63
  64                         value = new JTextField(30);
  65                         value.setFont(value_font);
  66                         value.setHorizontalAlignment(SwingConstants.RIGHT);
  67                         c.gridx = 1; c.gridy = y;
  68                         c.gridwidth = 2;
  69                         c.anchor = GridBagConstraints.WEST;
  70                         c.fill = GridBagConstraints.BOTH;
  71                         c.weightx = 1;
  72                         layout.setConstraints(value, c);
  73                         add(value);
  74                 }
  75         }
  76
  77         class Height extends DescentValue {
  78                 void show (AltosState state, int crc_errors) {
  79                         show("%6.0f m", state.height);
  80                 }
  81                 public Height (GridBagLayout layout, int y) {
  82                         super (layout, y, "Height");
  83                 }
  84         }
  85
  86         Height  height;
  87
  88         class Speed extends DescentValue {
  89                 void show (AltosState state, int crc_errors) {
  90                         double speed = state.speed;
  91                         if (!state.ascent)
  92                                 speed = state.baro_speed;
  93                         show("%6.0f m/s", speed);
  94                 }
  95                 public Speed (GridBagLayout layout, int y) {
  96                         super (layout, y, "Speed");
  97                 }
  98         }
  99
 100         Speed   speed;
 101
 102         String pos(double p, String pos, String neg) {
 103                 String  h = pos;
 104                 if (p < 0) {
 105                         h = neg;
 106                         p = -p;
 107                 }
 108                 int deg = (int) Math.floor(p);
 109                 double min = (p - Math.floor(p)) * 60.0;
 110                 return String.format("%s %4d° %9.6f", h, deg, min);
 111         }
 112
 113         class Lat extends DescentValue {
 114                 void show (AltosState state, int crc_errors) {
 115                         if (state.gps != null)
 116                                 value.setText(pos(state.gps.lat,"N", "S"));
 117                         else
 118                                 value.setText("???");
 119                 }
 120                 public Lat (GridBagLayout layout, int y) {
 121                         super (layout, y, "Latitude");
 122                 }
 123         }
 124
 125         Lat lat;
 126
 127         class Lon extends DescentValue {
 128                 void show (AltosState state, int crc_errors) {
 129                         if (state.gps != null)
 130                                 value.setText(pos(state.gps.lon,"E", "W"));
 131                         else
 132                                 value.setText("???");
 133                 }
 134                 public Lon (GridBagLayout layout, int y) {
 135                         super (layout, y, "Longitude");
 136                 }
 137         }
 138
 139         Lon lon;
 140
 141         class Bearing {
 142                 JLabel          label;
 143                 JTextField      value;
 144                 JTextField      value_deg;
 145                 void reset () {
 146                         value.setText("");
 147                         value_deg.setText("");
 148                 }
 149                 void show (AltosState state, int crc_errors) {
 150                         if (state.from_pad != null) {
 151                                 value.setText(state.from_pad.bearing_words(
 152                                                       AltosGreatCircle.BEARING_LONG));
 153                                 value_deg.setText(String.format("%3.0f°", state.from_pad.bearing));
 154                         } else {
 155                                 value.setText("???");
 156                                 value_deg.setText("???");
 157                         }
 158                 }
 159                 public Bearing (GridBagLayout layout, int y) {
 160                         GridBagConstraints      c = new GridBagConstraints();
 161                         c.weighty = 1;
 162
 163                         label = new JLabel("Bearing");
 164                         label.setFont(label_font);
 165                         label.setHorizontalAlignment(SwingConstants.LEFT);
 166                         c.gridx = 0; c.gridy = y;
 167                         c.insets = new Insets(10, 10, 10, 10);
 168                         c.anchor = GridBagConstraints.WEST;
 169                         c.weightx = 0;
 170                         c.fill = GridBagConstraints.VERTICAL;
 171                         layout.setConstraints(label, c);
 172                         add(label);
 173
 174                         value = new JTextField(30);
 175                         value.setFont(value_font);
 176                         value.setHorizontalAlignment(SwingConstants.RIGHT);
 177                         c.gridx = 1; c.gridy = y;
 178                         c.anchor = GridBagConstraints.EAST;
 179                         c.weightx = 1;
 180                         c.fill = GridBagConstraints.BOTH;
 181                         layout.setConstraints(value, c);
 182                         add(value);
 183
 184                         value_deg = new JTextField(5);
 185                         value_deg.setFont(value_font);
 186                         value_deg.setHorizontalAlignment(SwingConstants.RIGHT);
 187                         c.gridx = 2; c.gridy = y;
 188                         c.anchor = GridBagConstraints.EAST;
 189                         c.weightx = 1;
 190                         c.fill = GridBagConstraints.BOTH;
 191                         layout.setConstraints(value_deg, c);
 192                         add(value_deg);
 193                 }
 194         }
 195
 196         Bearing bearing;
 197
 198         class Elevation extends DescentValue {
 199                 void show (AltosState state, int crc_errors) {
 200                         if (state.from_pad != null)
 201                                 show("%3.0f°", state.elevation);
 202                         else
 203                                 value.setText("???");
 204                 }
 205                 public Elevation (GridBagLayout layout, int y) {
 206                         super (layout, y, "Elevation");
 207                 }
 208         }
 209
 210         Elevation elevation;
 211
 212         class Range extends DescentValue {
 213                 void show (AltosState state, int crc_errors) {
 214                         show("%6.0f m", state.range);
 215                 }
 216                 public Range (GridBagLayout layout, int y) {
 217                         super (layout, y, "Range");
 218                 }
 219         }
 220
 221         Range range;
 222
 223         public void reset() {
 224                 lat.reset();
 225                 lon.reset();
 226                 height.reset();
 227                 speed.reset();
 228                 bearing.reset();
 229                 elevation.reset();
 230                 range.reset();
 231         }
 232
 233         public void show(AltosState state, int crc_errors) {
 234                 height.show(state, crc_errors);
 235                 speed.show(state, crc_errors);
 236                 bearing.show(state, crc_errors);
 237                 elevation.show(state, crc_errors);
 238                 range.show(state, crc_errors);
 239                 lat.show(state, crc_errors);
 240                 lon.show(state, crc_errors);
 241         }
 242
 243         public AltosDescent() {
 244                 layout = new GridBagLayout();
 245
 246                 label_font = new Font("Dialog", Font.PLAIN, 24);
 247                 value_font = new Font("Monospaced", Font.PLAIN, 24);
 248                 setLayout(layout);
 249
 250                 /* Elements in descent display */
 251                 speed = new Speed(layout, 0);
 252                 height = new Height(layout, 1);
 253                 bearing = new Bearing(layout, 2);
 254                 elevation = new Elevation(layout, 3);
 255                 range = new Range(layout, 4);
 256                 lat = new Lat(layout, 5);
 257                 lon = new Lon(layout, 6);
 258         }
 259 }