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