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 import org.altusmetrum.AltosLib.*;
  32
  33 class AltosScanResult {
  34         String          callsign;
  35         int             serial;
  36         int             flight;
  37         AltosFrequency  frequency;
  38         int             telemetry;
  39
  40         boolean interrupted = false;
  41
  42         public String toString() {
  43                 return String.format("%-9.9s serial %-4d flight %-4d (%s %s)",
  44                                      callsign, serial, flight, frequency.toShortString(), Altos.telemetry_name(telemetry));
  45         }
  46
  47         public String toShortString() {
  48                 return String.format("%s %d %d %7.3f %d",
  49                                      callsign, serial, flight, frequency, telemetry);
  50         }
  51
  52         public AltosScanResult(String in_callsign, int in_serial,
  53                                int in_flight, AltosFrequency in_frequency, int in_telemetry) {
  54                 callsign = in_callsign;
  55                 serial = in_serial;
  56                 flight = in_flight;
  57                 frequency = in_frequency;
  58                 telemetry = in_telemetry;
  59         }
  60
  61         public boolean equals(AltosScanResult other) {
  62                 return (serial == other.serial &&
  63                         frequency.frequency == other.frequency.frequency &&
  64                         telemetry == other.telemetry);
  65         }
  66
  67         public boolean up_to_date(AltosScanResult other) {
  68                 if (flight == 0 && other.flight != 0) {
  69                         flight = other.flight;
  70                         return false;
  71                 }
  72                 if (callsign.equals("N0CALL") && !other.callsign.equals("N0CALL")) {
  73                         callsign = other.callsign;
  74                         return false;
  75                 }
  76                 return true;
  77         }
  78 }
  79
  80 class AltosScanResults extends LinkedList<AltosScanResult> implements ListModel {
  81
  82         LinkedList<ListDataListener>    listeners = new LinkedList<ListDataListener>();
  83
  84         void changed(ListDataEvent de) {
  85                 for (ListDataListener l : listeners)
  86                         l.contentsChanged(de);
  87         }
  88
  89         public boolean add(AltosScanResult r) {
  90                 int i = 0;
  91                 for (AltosScanResult old : this) {
  92                         if (old.equals(r)) {
  93                                 if (!old.up_to_date(r))
  94                                         changed (new ListDataEvent(this,
  95                                                                    ListDataEvent.CONTENTS_CHANGED,
  96                                                                    i, i));
  97                                 return true;
  98                         }
  99                         i++;
 100                 }
 101
 102                 super.add(r);
 103                 changed(new ListDataEvent(this,
 104                                           ListDataEvent.INTERVAL_ADDED,
 105                                           this.size() - 2, this.size() - 1));
 106                 return true;
 107         }
 108
 109         public void addListDataListener(ListDataListener l) {
 110                 listeners.add(l);
 111         }
 112
 113         public void removeListDataListener(ListDataListener l) {
 114                 listeners.remove(l);
 115         }
 116
 117         public AltosScanResult getElementAt(int i) {
 118                 return this.get(i);
 119         }
 120
 121         public int getSize() {
 122                 return this.size();
 123         }
 124 }
 125
 126 public class AltosScanUI
 127         extends AltosDialog
 128         implements ActionListener
 129 {
 130         AltosUI                         owner;
 131         AltosDevice                     device;
 132         AltosConfigData                 config_data;
 133         AltosTelemetryReader            reader;
 134         private JList                   list;
 135         private JLabel                  scanning_label;
 136         private JLabel                  frequency_label;
 137         private JLabel                  telemetry_label;
 138         private JButton                 cancel_button;
 139         private JButton                 monitor_button;
 140         private JCheckBox[]             telemetry_boxes;
 141         javax.swing.Timer               timer;
 142         AltosScanResults                results = new AltosScanResults();
 143
 144         int                             telemetry;
 145
 146         final static int                timeout = 1200;
 147         TelemetryHandler                handler;
 148         Thread                          thread;
 149         AltosFrequency[]                frequencies;
 150         int                             frequency_index;
 151
 152         void scan_exception(Exception e) {
 153                 if (e instanceof FileNotFoundException) {
 154                         JOptionPane.showMessageDialog(owner,
 155                                                       ((FileNotFoundException) e).getMessage(),
 156                                                       "Cannot open target device",
 157                                                       JOptionPane.ERROR_MESSAGE);
 158                 } else if (e instanceof AltosSerialInUseException) {
 159                         JOptionPane.showMessageDialog(owner,
 160                                                       String.format("Device \"%s\" already in use",
 161                                                                     device.toShortString()),
 162                                                       "Device in use",
 163                                                       JOptionPane.ERROR_MESSAGE);
 164                 } else if (e instanceof IOException) {
 165                         IOException ee = (IOException) e;
 166                         JOptionPane.showMessageDialog(owner,
 167                                                       device.toShortString(),
 168                                                       ee.getLocalizedMessage(),
 169                                                       JOptionPane.ERROR_MESSAGE);
 170                 } else {
 171                         JOptionPane.showMessageDialog(owner,
 172                                                       String.format("Connection to \"%s\" failed",
 173                                                                     device.toShortString()),
 174                                                       "Connection Failed",
 175                                                       JOptionPane.ERROR_MESSAGE);
 176                 }
 177                 close();
 178         }
 179
 180         class TelemetryHandler implements Runnable {
 181
 182                 public void run() {
 183
 184                         boolean interrupted = false;
 185
 186                         try {
 187                                 for (;;) {
 188                                         try {
 189                                                 AltosRecord     record = reader.read();
 190                                                 if (record == null)
 191                                                         continue;
 192                                                 if ((record.seen & AltosRecord.seen_flight) != 0) {
 193                                                         final AltosScanResult   result = new AltosScanResult(record.callsign,
 194                                                                                                      record.serial,
 195                                                                                                      record.flight,
 196                                                                                                      frequencies[frequency_index],
 197                                                                                                      telemetry);
 198                                                         Runnable r = new Runnable() {
 199                                                                         public void run() {
 200                                                                                 results.add(result);
 201                                                                         }
 202                                                                 };
 203                                                         SwingUtilities.invokeLater(r);
 204                                                 }
 205                                         } catch (ParseException pp) {
 206                                         } catch (AltosCRCException ce) {
 207                                         }
 208                                 }
 209                         } catch (InterruptedException ee) {
 210                                 interrupted = true;
 211                         } catch (IOException ie) {
 212                         } finally {
 213                                 reader.close(interrupted);
 214                         }
 215                 }
 216         }
 217
 218         void set_label() {
 219                 frequency_label.setText(String.format("Frequency: %s", frequencies[frequency_index].toString()));
 220                 telemetry_label.setText(String.format("Telemetry: %s", Altos.telemetry_name(telemetry)));
 221         }
 222
 223         void set_telemetry() {
 224                 reader.set_telemetry(telemetry);
 225         }
 226
 227         void set_frequency() throws InterruptedException, TimeoutException {
 228                 reader.set_frequency(frequencies[frequency_index].frequency);
 229                 reader.reset();
 230         }
 231
 232         void next() throws InterruptedException, TimeoutException {
 233                 reader.set_monitor(false);
 234                 Thread.sleep(100);
 235                 ++frequency_index;
 236                 if (frequency_index >= frequencies.length ||
 237                     !telemetry_boxes[telemetry - Altos.ao_telemetry_min].isSelected())
 238                 {
 239                         frequency_index = 0;
 240                         do {
 241                                 ++telemetry;
 242                                 if (telemetry > Altos.ao_telemetry_max)
 243                                         telemetry = Altos.ao_telemetry_min;
 244                         } while (!telemetry_boxes[telemetry - Altos.ao_telemetry_min].isSelected());
 245                         set_telemetry();
 246                 }
 247                 set_frequency();
 248                 set_label();
 249                 reader.set_monitor(true);
 250         }
 251
 252
 253         void close() {
 254                 if (thread != null && thread.isAlive()) {
 255                         thread.interrupt();
 256                         try {
 257                                 thread.join();
 258                         } catch (InterruptedException ie) {}
 259                 }
 260                 thread = null;
 261                 if (timer != null)
 262                         timer.stop();
 263                 setVisible(false);
 264                 dispose();
 265         }
 266
 267         void tick_timer() throws InterruptedException, TimeoutException {
 268                 next();
 269         }
 270
 271         public void actionPerformed(ActionEvent e) {
 272                 String cmd = e.getActionCommand();
 273
 274                 try {
 275                         if (cmd.equals("cancel"))
 276                                 close();
 277
 278                         if (cmd.equals("tick"))
 279                                 tick_timer();
 280
 281                         if (cmd.equals("telemetry")) {
 282                                 int k;
 283                                 int scanning_telemetry = 0;
 284                                 for (k = Altos.ao_telemetry_min; k <= Altos.ao_telemetry_max; k++) {
 285                                         int j = k - Altos.ao_telemetry_min;
 286                                         if (telemetry_boxes[j].isSelected())
 287                                                 scanning_telemetry |= (1 << k);
 288                                 }
 289                                 if (scanning_telemetry == 0) {
 290                                         scanning_telemetry |= (1 << Altos.ao_telemetry_standard);
 291                                         telemetry_boxes[Altos.ao_telemetry_standard - Altos.ao_telemetry_min].setSelected(true);
 292                                 }
 293                                 AltosUIPreferences.set_scanning_telemetry(scanning_telemetry);
 294                         }
 295
 296                         if (cmd.equals("monitor")) {
 297                                 close();
 298                                 AltosScanResult r = (AltosScanResult) (list.getSelectedValue());
 299                                 if (r != null) {
 300                                         if (device != null) {
 301                                                 if (reader != null) {
 302                                                         reader.set_telemetry(r.telemetry);
 303                                                         reader.set_frequency(r.frequency.frequency);
 304                                                         reader.save_frequency();
 305                                                         owner.telemetry_window(device);
 306                                                 }
 307                                         }
 308                                 }
 309                         }
 310                 } catch (TimeoutException te) {
 311                         close();
 312                 } catch (InterruptedException ie) {
 313                         close();
 314                 }
 315         }
 316
 317         /* A window listener to catch closing events and tell the config code */
 318         class ConfigListener extends WindowAdapter {
 319                 AltosScanUI     ui;
 320
 321                 public ConfigListener(AltosScanUI this_ui) {
 322                         ui = this_ui;
 323                 }
 324
 325                 public void windowClosing(WindowEvent e) {
 326                         ui.actionPerformed(new ActionEvent(e.getSource(),
 327                                                            ActionEvent.ACTION_PERFORMED,
 328                                                            "close"));
 329                 }
 330         }
 331
 332         private boolean open() {
 333                 device = AltosDeviceDialog.show(owner, Altos.product_basestation);
 334                 if (device == null)
 335                         return false;
 336                 try {
 337                         reader = new AltosTelemetryReader(new AltosSerial(device));
 338                         set_frequency();
 339                         set_telemetry();
 340                         try {
 341                                 Thread.sleep(100);
 342                         } catch (InterruptedException ie) {
 343                         }
 344                         reader.flush();
 345                         handler = new TelemetryHandler();
 346                         thread = new Thread(handler);
 347                         thread.start();
 348                         return true;
 349                 } catch (FileNotFoundException ee) {
 350                         JOptionPane.showMessageDialog(owner,
 351                                                       ee.getMessage(),
 352                                                       "Cannot open target device",
 353                                                       JOptionPane.ERROR_MESSAGE);
 354                 } catch (AltosSerialInUseException si) {
 355                         JOptionPane.showMessageDialog(owner,
 356                                                       String.format("Device \"%s\" already in use",
 357                                                                     device.toShortString()),
 358                                                       "Device in use",
 359                                                       JOptionPane.ERROR_MESSAGE);
 360                 } catch (IOException ee) {
 361                         JOptionPane.showMessageDialog(owner,
 362                                                       device.toShortString(),
 363                                                       "Unkonwn I/O error",
 364                                                       JOptionPane.ERROR_MESSAGE);
 365                 } catch (TimeoutException te) {
 366                         JOptionPane.showMessageDialog(owner,
 367                                                       device.toShortString(),
 368                                                       "Timeout error",
 369                                                       JOptionPane.ERROR_MESSAGE);
 370                 } catch (InterruptedException ie) {
 371                         JOptionPane.showMessageDialog(owner,
 372                                                       device.toShortString(),
 373                                                       "Interrupted exception",
 374                                                       JOptionPane.ERROR_MESSAGE);
 375                 }
 376                 if (reader != null)
 377                         reader.close(false);
 378                 return false;
 379         }
 380
 381         public AltosScanUI(AltosUI in_owner) {
 382
 383                 owner = in_owner;
 384
 385                 frequencies = AltosUIPreferences.common_frequencies();
 386                 frequency_index = 0;
 387                 telemetry = Altos.ao_telemetry_min;
 388
 389                 if (!open())
 390                         return;
 391
 392                 Container               pane = getContentPane();
 393                 GridBagConstraints      c = new GridBagConstraints();
 394                 Insets                  i = new Insets(4,4,4,4);
 395
 396                 timer = new javax.swing.Timer(timeout, this);
 397                 timer.setActionCommand("tick");
 398                 timer.restart();
 399
 400                 owner = in_owner;
 401
 402                 pane.setLayout(new GridBagLayout());
 403
 404                 scanning_label = new JLabel("Scanning:");
 405                 frequency_label = new JLabel("");
 406                 telemetry_label = new JLabel("");
 407
 408                 set_label();
 409
 410                 c.fill = GridBagConstraints.HORIZONTAL;
 411                 c.anchor = GridBagConstraints.WEST;
 412                 c.insets = i;
 413                 c.weightx = 1;
 414                 c.weighty = 1;
 415
 416                 c.gridx = 0;
 417                 c.gridy = 0;
 418                 c.gridwidth = 2;
 419
 420                 pane.add(scanning_label, c);
 421                 c.gridy = 1;
 422                 pane.add(frequency_label, c);
 423                 c.gridy = 2;
 424                 pane.add(telemetry_label, c);
 425
 426                 int     scanning_telemetry = AltosUIPreferences.scanning_telemetry();
 427                 telemetry_boxes = new JCheckBox[Altos.ao_telemetry_max - Altos.ao_telemetry_min + 1];
 428                 for (int k = Altos.ao_telemetry_min; k <= Altos.ao_telemetry_max; k++) {
 429                         int j = k - Altos.ao_telemetry_min;
 430                         telemetry_boxes[j] = new JCheckBox(AltosLib.telemetry_name(k));
 431                         c.gridy = 3 + j;
 432                         pane.add(telemetry_boxes[j], c);
 433                         telemetry_boxes[j].setActionCommand("telemetry");
 434                         telemetry_boxes[j].addActionListener(this);
 435                         telemetry_boxes[j].setSelected((scanning_telemetry & (1 << k)) != 0);
 436                 }
 437
 438                 int     y_offset = 3 + (Altos.ao_telemetry_max - Altos.ao_telemetry_min + 1);
 439
 440                 list = new JList(results) {
 441                                 //Subclass JList to workaround bug 4832765, which can cause the
 442                                 //scroll pane to not let the user easily scroll up to the beginning
 443                                 //of the list.  An alternative would be to set the unitIncrement
 444                                 //of the JScrollBar to a fixed value. You wouldn't get the nice
 445                                 //aligned scrolling, but it should work.
 446                                 public int getScrollableUnitIncrement(Rectangle visibleRect,
 447                                                                       int orientation,
 448                                                                       int direction) {
 449                                         int row;
 450                                         if (orientation == SwingConstants.VERTICAL &&
 451                                             direction < 0 && (row = getFirstVisibleIndex()) != -1) {
 452                                                 Rectangle r = getCellBounds(row, row);
 453                                                 if ((r.y == visibleRect.y) && (row != 0))  {
 454                                                         Point loc = r.getLocation();
 455                                                         loc.y--;
 456                                                         int prevIndex = locationToIndex(loc);
 457                                                         Rectangle prevR = getCellBounds(prevIndex, prevIndex);
 458
 459                                                         if (prevR == null || prevR.y >= r.y) {
 460                                                                 return 0;
 461                                                         }
 462                                                         return prevR.height;
 463                                                 }
 464                                         }
 465                                         return super.getScrollableUnitIncrement(
 466                                                 visibleRect, orientation, direction);
 467                                 }
 468                         };
 469
 470                 list.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
 471                 list.setLayoutOrientation(JList.HORIZONTAL_WRAP);
 472                 list.setVisibleRowCount(-1);
 473
 474                 list.addMouseListener(new MouseAdapter() {
 475                                  public void mouseClicked(MouseEvent e) {
 476                                          if (e.getClickCount() == 2) {
 477                                                  monitor_button.doClick(); //emulate button click
 478                                          }
 479                                  }
 480                         });
 481                 JScrollPane listScroller = new JScrollPane(list);
 482                 listScroller.setPreferredSize(new Dimension(400, 80));
 483                 listScroller.setAlignmentX(LEFT_ALIGNMENT);
 484
 485                 //Create a container so that we can add a title around
 486                 //the scroll pane.  Can't add a title directly to the
 487                 //scroll pane because its background would be white.
 488                 //Lay out the label and scroll pane from top to bottom.
 489                 JPanel listPane = new JPanel();
 490                 listPane.setLayout(new BoxLayout(listPane, BoxLayout.PAGE_AXIS));
 491
 492                 JLabel label = new JLabel("Select Device");
 493                 label.setLabelFor(list);
 494                 listPane.add(label);
 495                 listPane.add(Box.createRigidArea(new Dimension(0,5)));
 496                 listPane.add(listScroller);
 497                 listPane.setBorder(BorderFactory.createEmptyBorder(10,10,10,10));
 498
 499                 c.fill = GridBagConstraints.BOTH;
 500                 c.anchor = GridBagConstraints.CENTER;
 501                 c.insets = i;
 502                 c.weightx = 1;
 503                 c.weighty = 1;
 504
 505                 c.gridx = 0;
 506                 c.gridy = y_offset;
 507                 c.gridwidth = 2;
 508                 c.anchor = GridBagConstraints.CENTER;
 509
 510                 pane.add(listPane, c);
 511
 512                 cancel_button = new JButton("Cancel");
 513                 cancel_button.addActionListener(this);
 514                 cancel_button.setActionCommand("cancel");
 515
 516                 c.fill = GridBagConstraints.NONE;
 517                 c.anchor = GridBagConstraints.CENTER;
 518                 c.insets = i;
 519                 c.weightx = 1;
 520                 c.weighty = 1;
 521
 522                 c.gridx = 0;
 523                 c.gridy = y_offset + 1;
 524                 c.gridwidth = 1;
 525                 c.anchor = GridBagConstraints.CENTER;
 526
 527                 pane.add(cancel_button, c);
 528
 529                 monitor_button = new JButton("Monitor");
 530                 monitor_button.addActionListener(this);
 531                 monitor_button.setActionCommand("monitor");
 532
 533                 c.fill = GridBagConstraints.NONE;
 534                 c.anchor = GridBagConstraints.CENTER;
 535                 c.insets = i;
 536                 c.weightx = 1;
 537                 c.weighty = 1;
 538
 539                 c.gridx = 1;
 540                 c.gridy = y_offset + 1;
 541                 c.gridwidth = 1;
 542                 c.anchor = GridBagConstraints.CENTER;
 543
 544                 pane.add(monitor_button, c);
 545
 546                 pack();
 547                 setLocationRelativeTo(owner);
 548
 549                 addWindowListener(new ConfigListener(this));
 550
 551                 setVisible(true);
 552         }
 553 }