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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.anchor = GridBagConstraints.WEST;
  66                         c.fill = GridBagConstraints.HORIZONTAL;
  67                         layout.setConstraints(value, c);
  68                         add(value);
  69                 }
  70         }
  71
  72         class Height extends DescentValue {
  73                 void show (AltosState state, int crc_errors) {
  74                         show("%6.0f m", state.height);
  75                 }
  76                 public Height (GridBagLayout layout, int y) {
  77                         super (layout, y, "Height");
  78                 }
  79         }
  80
  81         Height  height;
  82
  83         class Speed extends DescentValue {
  84                 void show (AltosState state, int crc_errors) {
  85                         double speed = state.speed;
  86                         if (!state.ascent)
  87                                 speed = state.baro_speed;
  88                         show("%6.0f m/s", speed);
  89                 }
  90                 public Speed (GridBagLayout layout, int y) {
  91                         super (layout, y, "Speed");
  92                 }
  93         }
  94
  95         Speed   speed;
  96
  97         String pos(double p, String pos, String neg) {
  98                 String  h = pos;
  99                 if (p < 0) {
 100                         h = neg;
 101                         p = -p;
 102                 }
 103                 int deg = (int) Math.floor(p);
 104                 double min = (p - Math.floor(p)) * 60.0;
 105                 return String.format("%s %4d° %9.6f", h, deg, min);
 106         }
 107
 108         class Lat extends DescentValue {
 109                 void show (AltosState state, int crc_errors) {
 110                         if (state.gps != null)
 111                                 value.setText(pos(state.gps.lat,"N", "S"));
 112                         else
 113                                 value.setText("???");
 114                 }
 115                 public Lat (GridBagLayout layout, int y) {
 116                         super (layout, y, "Latitude");
 117                 }
 118         }
 119
 120         Lat lat;
 121
 122         class Lon extends DescentValue {
 123                 void show (AltosState state, int crc_errors) {
 124                         if (state.gps != null)
 125                                 value.setText(pos(state.gps.lon,"E", "W"));
 126                         else
 127                                 value.setText("???");
 128                 }
 129                 public Lon (GridBagLayout layout, int y) {
 130                         super (layout, y, "Longitude");
 131                 }
 132         }
 133
 134         Lon lon;
 135
 136         class Bearing extends DescentValue {
 137                 void show (AltosState state, int crc_errors) {
 138                         if (state.from_pad != null)
 139                                 show("%3.0f°", state.from_pad.bearing);
 140                         else
 141                                 value.setText("???");
 142                 }
 143                 public Bearing (GridBagLayout layout, int y) {
 144                         super (layout, y, "Bearing");
 145                 }
 146         }
 147
 148         Bearing bearing;
 149
 150         class Elevation extends DescentValue {
 151                 void show (AltosState state, int crc_errors) {
 152                         if (state.from_pad != null)
 153                                 show("%3.0f°", state.elevation);
 154                         else
 155                                 value.setText("???");
 156                 }
 157                 public Elevation (GridBagLayout layout, int y) {
 158                         super (layout, y, "Elevation");
 159                 }
 160         }
 161
 162         Elevation elevation;
 163
 164         class Range extends DescentValue {
 165                 void show (AltosState state, int crc_errors) {
 166                         show("%6.0f m", state.range);
 167                 }
 168                 public Range (GridBagLayout layout, int y) {
 169                         super (layout, y, "Range");
 170                 }
 171         }
 172
 173         Range range;
 174
 175         public void reset() {
 176                 lat.reset();
 177                 lon.reset();
 178                 height.reset();
 179                 speed.reset();
 180                 bearing.reset();
 181                 elevation.reset();
 182                 range.reset();
 183         }
 184
 185         public void show(AltosState state, int crc_errors) {
 186                 height.show(state, crc_errors);
 187                 speed.show(state, crc_errors);
 188                 bearing.show(state, crc_errors);
 189                 elevation.show(state, crc_errors);
 190                 range.show(state, crc_errors);
 191                 lat.show(state, crc_errors);
 192                 lon.show(state, crc_errors);
 193         }
 194
 195         public AltosDescent() {
 196                 layout = new GridBagLayout();
 197
 198                 label_font = new Font("Dialog", Font.PLAIN, 24);
 199                 value_font = new Font("Monospaced", Font.PLAIN, 24);
 200                 setLayout(layout);
 201
 202                 /* Elements in descent display */
 203                 speed = new Speed(layout, 0);
 204                 height = new Height(layout, 1);
 205                 bearing = new Bearing(layout, 2);
 206                 elevation = new Elevation(layout, 3);
 207                 range = new Range(layout, 4);
 208                 lat = new Lat(layout, 5);
 209                 lon = new Lon(layout, 6);
 210         }
 211 }