git.gag.com Git - fw/altos/blob - altosui/AltosScanUI.java

   1 /*
   2  * Copyright © 2011 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 javax.swing.event.*;
  26 import java.io.*;
  27 import java.util.*;
  28 import java.text.*;
  29 import java.util.prefs.*;
  30 import java.util.concurrent.*;
  31
  32 class AltosScanResult {
  33         String  callsign;
  34         int     serial;
  35         int     flight;
  36         int     channel;
  37         int     telemetry;
  38
  39         boolean interrupted = false;
  40
  41         public String toString() {
  42                 return String.format("%-9.9s %4d %4d %2d %2d",
  43                                      callsign, serial, flight, channel, telemetry);
  44         }
  45
  46         public String toShortString() {
  47                 return String.format("%s %d %d %d %d",
  48                                      callsign, serial, flight, channel, telemetry);
  49         }
  50
  51         public AltosScanResult(String in_callsign, int in_serial,
  52                                int in_flight, int in_channel, int in_telemetry) {
  53                 callsign = in_callsign;
  54                 serial = in_serial;
  55                 flight = in_flight;
  56                 channel = in_channel;
  57                 telemetry = in_telemetry;
  58         }
  59
  60         public boolean equals(AltosScanResult other) {
  61                 return (callsign.equals(other.callsign) &&
  62                         serial == other.serial &&
  63                         flight == other.flight &&
  64                         channel == other.channel &&
  65                         telemetry == other.telemetry);
  66         }
  67 }
  68
  69 class AltosScanResults extends LinkedList<AltosScanResult> implements ListModel {
  70
  71         LinkedList<ListDataListener>    listeners = new LinkedList<ListDataListener>();
  72
  73         public boolean add(AltosScanResult r) {
  74                 for (AltosScanResult old : this)
  75                         if (old.equals(r))
  76                                 return true;
  77
  78                 super.add(r);
  79                 ListDataEvent   de = new ListDataEvent(this,
  80                                                        ListDataEvent.INTERVAL_ADDED,
  81                                                        this.size() - 2, this.size() - 1);
  82                 for (ListDataListener l : listeners)
  83                         l.contentsChanged(de);
  84                 return true;
  85         }
  86
  87         public void addListDataListener(ListDataListener l) {
  88                 listeners.add(l);
  89         }
  90
  91         public void removeListDataListener(ListDataListener l) {
  92                 listeners.remove(l);
  93         }
  94
  95         public AltosScanResult getElementAt(int i) {
  96                 return this.get(i);
  97         }
  98
  99         public int getSize() {
 100                 return this.size();
 101         }
 102 }
 103
 104 public class AltosScanUI
 105         extends JDialog
 106         implements ActionListener
 107 {
 108         AltosUI                         owner;
 109         AltosDevice                     device;
 110         AltosTelemetryReader            reader;
 111         private JList                   list;
 112         private JLabel                  channel_label;
 113         private JLabel                  monitor_label;
 114         private JButton                 fake_button;
 115         private JButton                 cancel_button;
 116         private JButton                 ok_button;
 117         javax.swing.Timer               timer;
 118         AltosScanResults                results = new AltosScanResults();
 119
 120         static final int[]              monitors = { Altos.ao_telemetry_split_len,
 121                                                      Altos.ao_telemetry_legacy_len };
 122         int                             monitor;
 123         int                             channel;
 124
 125         final static int                timeout = 5 * 1000;
 126         TelemetryHandler                handler;
 127         Thread                          thread;
 128
 129         void scan_exception(Exception e) {
 130                 if (e instanceof FileNotFoundException) {
 131                         JOptionPane.showMessageDialog(owner,
 132                                                       String.format("Cannot open device \"%s\"",
 133                                                                     device.toShortString()),
 134                                                       "Cannot open target device",
 135                                                       JOptionPane.ERROR_MESSAGE);
 136                 } else if (e instanceof AltosSerialInUseException) {
 137                         JOptionPane.showMessageDialog(owner,
 138                                                       String.format("Device \"%s\" already in use",
 139                                                                     device.toShortString()),
 140                                                       "Device in use",
 141                                                       JOptionPane.ERROR_MESSAGE);
 142                 } else if (e instanceof IOException) {
 143                         IOException ee = (IOException) e;
 144                         JOptionPane.showMessageDialog(owner,
 145                                                       device.toShortString(),
 146                                                       ee.getLocalizedMessage(),
 147                                                       JOptionPane.ERROR_MESSAGE);
 148                 } else {
 149                         JOptionPane.showMessageDialog(owner,
 150                                                       String.format("Connection to \"%s\" failed",
 151                                                                     device.toShortString()),
 152                                                       "Connection Failed",
 153                                                       JOptionPane.ERROR_MESSAGE);
 154                 }
 155                 close();
 156         }
 157
 158         class TelemetryHandler implements Runnable {
 159
 160                 public void run() {
 161
 162                         boolean interrupted = false;
 163
 164                         try {
 165                                 for (;;) {
 166                                         try {
 167                                                 AltosRecord     record = reader.read();
 168                                                 if (record == null)
 169                                                         break;
 170                                                 if ((record.seen & AltosRecord.seen_flight) != 0) {
 171                                                         AltosScanResult result = new AltosScanResult(record.callsign,
 172                                                                                                      record.serial,
 173                                                                                                      record.flight,
 174                                                                                                      channel,
 175                                                                                                      monitor);
 176                                                         results.add(result);
 177                                                 }
 178                                         } catch (ParseException pp) {
 179                                                 System.out.printf("Parse error: %d \"%s\"\n", pp.getErrorOffset(), pp.getMessage());
 180                                         } catch (AltosCRCException ce) {
 181                                         }
 182                                 }
 183                         } catch (InterruptedException ee) {
 184                                 interrupted = true;
 185                         } catch (IOException ie) {
 186                         } finally {
 187                                 reader.close(interrupted);
 188                         }
 189                 }
 190         }
 191
 192         void set_channel() {
 193                 reader.serial.set_channel(channel);
 194         }
 195
 196         void set_monitor() {
 197                 reader.serial.set_telemetry(monitors[monitor]);
 198         }
 199
 200         void next() {
 201                 ++channel;
 202                 if (channel == 10) {
 203                         channel = 0;
 204                         ++monitor;
 205                         if (monitor == monitors.length)
 206                                 monitor = 0;
 207                         set_monitor();
 208                 }
 209                 set_channel();
 210         }
 211
 212
 213         void close() {
 214                 if (thread != null && thread.isAlive()) {
 215                         thread.interrupt();
 216                         try {
 217                                 thread.join();
 218                         } catch (InterruptedException ie) {}
 219                 }
 220                 thread = null;
 221                 if (timer != null)
 222                         timer.stop();
 223                 setVisible(false);
 224                 dispose();
 225         }
 226
 227         void tick_timer() {
 228                 next();
 229         }
 230
 231         public void actionPerformed(ActionEvent e) {
 232                 String cmd = e.getActionCommand();
 233
 234                 if (cmd.equals("fake")) {
 235                         results.add(new AltosScanResult("N0CALL", 300, 1, 0, 1));
 236                 }
 237
 238                 if (cmd.equals("cancel")) {
 239                         close();
 240                 }
 241
 242                 if (cmd.equals("ok")) {
 243                         close();
 244                         AltosScanResult r = (AltosScanResult) (list.getSelectedValue());
 245                         System.out.printf("Selected channel %d telemetry %d\n",
 246                                           r.channel, r.telemetry);
 247                         if (device != null) {
 248                                 if (reader != null) {
 249                                         reader.set_telemetry(r.telemetry);
 250                                         reader.set_channel(r.channel);
 251                                         owner.telemetry_window(device);
 252                                 }
 253                         }
 254                 }
 255         }
 256
 257         /* A window listener to catch closing events and tell the config code */
 258         class ConfigListener extends WindowAdapter {
 259                 AltosScanUI     ui;
 260
 261                 public ConfigListener(AltosScanUI this_ui) {
 262                         ui = this_ui;
 263                 }
 264
 265                 public void windowClosing(WindowEvent e) {
 266                         ui.actionPerformed(new ActionEvent(e.getSource(),
 267                                                            ActionEvent.ACTION_PERFORMED,
 268                                                            "close"));
 269                 }
 270         }
 271
 272         private boolean open() {
 273                 device = AltosDeviceDialog.show(owner, Altos.product_any);
 274                 if (device != null) {
 275                         try {
 276                                 reader = new AltosTelemetryReader(device);
 277                                 set_channel();
 278                                 set_monitor();
 279                                 handler = new TelemetryHandler();
 280                                 thread = new Thread(handler);
 281                                 thread.start();
 282                                 return true;
 283                         } catch (Exception e) {
 284                                 scan_exception(e);
 285                         }
 286                 }
 287                 return false;
 288         }
 289
 290         public AltosScanUI(AltosUI in_owner) {
 291
 292                 owner = in_owner;
 293
 294 //              if (!open())
 295 //                      return;
 296
 297                 Container               pane = getContentPane();
 298                 GridBagConstraints      c = new GridBagConstraints();
 299                 Insets                  i = new Insets(4,4,4,4);
 300
 301                 timer = new javax.swing.Timer(timeout, this);
 302                 timer.setActionCommand("tick");
 303                 timer.restart();
 304
 305                 owner = in_owner;
 306
 307                 pane.setLayout(new GridBagLayout());
 308
 309                 list = new JList(results) {
 310                                 //Subclass JList to workaround bug 4832765, which can cause the
 311                                 //scroll pane to not let the user easily scroll up to the beginning
 312                                 //of the list.  An alternative would be to set the unitIncrement
 313                                 //of the JScrollBar to a fixed value. You wouldn't get the nice
 314                                 //aligned scrolling, but it should work.
 315                                 public int getScrollableUnitIncrement(Rectangle visibleRect,
 316                                                                       int orientation,
 317                                                                       int direction) {
 318                                         int row;
 319                                         if (orientation == SwingConstants.VERTICAL &&
 320                                             direction < 0 && (row = getFirstVisibleIndex()) != -1) {
 321                                                 Rectangle r = getCellBounds(row, row);
 322                                                 if ((r.y == visibleRect.y) && (row != 0))  {
 323                                                         Point loc = r.getLocation();
 324                                                         loc.y--;
 325                                                         int prevIndex = locationToIndex(loc);
 326                                                         Rectangle prevR = getCellBounds(prevIndex, prevIndex);
 327
 328                                                         if (prevR == null || prevR.y >= r.y) {
 329                                                                 return 0;
 330                                                         }
 331                                                         return prevR.height;
 332                                                 }
 333                                         }
 334                                         return super.getScrollableUnitIncrement(
 335                                                 visibleRect, orientation, direction);
 336                                 }
 337                         };
 338
 339                 list.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
 340                 list.setLayoutOrientation(JList.HORIZONTAL_WRAP);
 341                 list.setVisibleRowCount(-1);
 342
 343                 list.addMouseListener(new MouseAdapter() {
 344                                  public void mouseClicked(MouseEvent e) {
 345                                          if (e.getClickCount() == 2) {
 346                                                  ok_button.doClick(); //emulate button click
 347                                          }
 348                                  }
 349                         });
 350                 JScrollPane listScroller = new JScrollPane(list);
 351                 listScroller.setPreferredSize(new Dimension(400, 80));
 352                 listScroller.setAlignmentX(LEFT_ALIGNMENT);
 353
 354                 //Create a container so that we can add a title around
 355                 //the scroll pane.  Can't add a title directly to the
 356                 //scroll pane because its background would be white.
 357                 //Lay out the label and scroll pane from top to bottom.
 358                 JPanel listPane = new JPanel();
 359                 listPane.setLayout(new BoxLayout(listPane, BoxLayout.PAGE_AXIS));
 360
 361                 JLabel label = new JLabel("Select Device");
 362                 label.setLabelFor(list);
 363                 listPane.add(label);
 364                 listPane.add(Box.createRigidArea(new Dimension(0,5)));
 365                 listPane.add(listScroller);
 366                 listPane.setBorder(BorderFactory.createEmptyBorder(10,10,10,10));
 367
 368                 c.fill = GridBagConstraints.NONE;
 369                 c.anchor = GridBagConstraints.CENTER;
 370                 c.insets = i;
 371                 c.weightx = 1;
 372                 c.weighty = 1;
 373
 374                 c.gridx = 0;
 375                 c.gridy = 0;
 376                 c.gridwidth = 3;
 377                 c.anchor = GridBagConstraints.CENTER;
 378
 379                 pane.add(listPane, c);
 380
 381                 fake_button = new JButton("fake");
 382                 fake_button.addActionListener(this);
 383                 fake_button.setActionCommand("fake");
 384
 385                 c.fill = GridBagConstraints.NONE;
 386                 c.anchor = GridBagConstraints.CENTER;
 387                 c.insets = i;
 388                 c.weightx = 1;
 389                 c.weighty = 1;
 390
 391                 c.gridx = 0;
 392                 c.gridy = 1;
 393                 c.gridwidth = 1;
 394                 c.anchor = GridBagConstraints.CENTER;
 395
 396                 pane.add(fake_button, c);
 397
 398                 cancel_button = new JButton("Cancel");
 399                 cancel_button.addActionListener(this);
 400                 cancel_button.setActionCommand("cancel");
 401
 402                 c.fill = GridBagConstraints.NONE;
 403                 c.anchor = GridBagConstraints.CENTER;
 404                 c.insets = i;
 405                 c.weightx = 1;
 406                 c.weighty = 1;
 407
 408                 c.gridx = 1;
 409                 c.gridy = 1;
 410                 c.gridwidth = 1;
 411                 c.anchor = GridBagConstraints.CENTER;
 412
 413                 pane.add(cancel_button, c);
 414
 415                 ok_button = new JButton("OK");
 416                 ok_button.addActionListener(this);
 417                 ok_button.setActionCommand("ok");
 418
 419                 c.fill = GridBagConstraints.NONE;
 420                 c.anchor = GridBagConstraints.CENTER;
 421                 c.insets = i;
 422                 c.weightx = 1;
 423                 c.weighty = 1;
 424
 425                 c.gridx = 2;
 426                 c.gridy = 1;
 427                 c.gridwidth = 1;
 428                 c.anchor = GridBagConstraints.CENTER;
 429
 430                 pane.add(ok_button, c);
 431
 432                 pack();
 433                 setLocationRelativeTo(owner);
 434
 435                 addWindowListener(new ConfigListener(this));
 436
 437                 setVisible(true);
 438         }
 439 }