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