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.event.*;
  24 import java.io.*;
  25 import java.util.*;
  26 import java.text.*;
  27 import java.util.concurrent.*;
  28 import org.altusmetrum.AltosLib.*;
  29
  30 class AltosScanResult {
  31         String          callsign;
  32         int             serial;
  33         int             flight;
  34         AltosFrequency  frequency;
  35         int             telemetry;
  36
  37         boolean interrupted = false;
  38
  39         public String toString() {
  40                 return String.format("%-9.9s serial %-4d flight %-4d (%s %s)",
  41                                      callsign, serial, flight, frequency.toShortString(), Altos.telemetry_name(telemetry));
  42         }
  43
  44         public String toShortString() {
  45                 return String.format("%s %d %d %7.3f %d",
  46                                      callsign, serial, flight, frequency, telemetry);
  47         }
  48
  49         public AltosScanResult(String in_callsign, int in_serial,
  50                                int in_flight, AltosFrequency in_frequency, int in_telemetry) {
  51                 callsign = in_callsign;
  52                 serial = in_serial;
  53                 flight = in_flight;
  54                 frequency = in_frequency;
  55                 telemetry = in_telemetry;
  56         }
  57
  58         public boolean equals(AltosScanResult other) {
  59                 return (serial == other.serial &&
  60                         frequency.frequency == other.frequency.frequency &&
  61                         telemetry == other.telemetry);
  62         }
  63
  64         public boolean up_to_date(AltosScanResult other) {
  65                 if (flight == 0 && other.flight != 0) {
  66                         flight = other.flight;
  67                         return false;
  68                 }
  69                 if (callsign.equals("N0CALL") && !other.callsign.equals("N0CALL")) {
  70                         callsign = other.callsign;
  71                         return false;
  72                 }
  73                 return true;
  74         }
  75 }
  76
  77 class AltosScanResults extends LinkedList<AltosScanResult> implements ListModel {
  78
  79         LinkedList<ListDataListener>    listeners = new LinkedList<ListDataListener>();
  80
  81         void changed(ListDataEvent de) {
  82                 for (ListDataListener l : listeners)
  83                         l.contentsChanged(de);
  84         }
  85
  86         public boolean add(AltosScanResult r) {
  87                 int i = 0;
  88                 for (AltosScanResult old : this) {
  89                         if (old.equals(r)) {
  90                                 if (!old.up_to_date(r))
  91                                         changed (new ListDataEvent(this,
  92                                                                    ListDataEvent.CONTENTS_CHANGED,
  93                                                                    i, i));
  94                                 return true;
  95                         }
  96                         i++;
  97                 }
  98
  99                 super.add(r);
 100                 changed(new ListDataEvent(this,
 101                                           ListDataEvent.INTERVAL_ADDED,
 102                                           this.size() - 2, this.size() - 1));
 103                 return true;
 104         }
 105
 106         public void addListDataListener(ListDataListener l) {
 107                 listeners.add(l);
 108         }
 109
 110         public void removeListDataListener(ListDataListener l) {
 111                 listeners.remove(l);
 112         }
 113
 114         public AltosScanResult getElementAt(int i) {
 115                 return this.get(i);
 116         }
 117
 118         public int getSize() {
 119                 return this.size();
 120         }
 121 }
 122
 123 public class AltosScanUI
 124         extends AltosDialog
 125         implements ActionListener
 126 {
 127         AltosUI                         owner;
 128         AltosDevice                     device;
 129         AltosConfigData                 config_data;
 130         AltosTelemetryReader            reader;
 131         private JList                   list;
 132         private JLabel                  scanning_label;
 133         private JLabel                  frequency_label;
 134         private JLabel                  telemetry_label;
 135         private JButton                 cancel_button;
 136         private JButton                 monitor_button;
 137         private JCheckBox[]             telemetry_boxes;
 138         javax.swing.Timer               timer;
 139         AltosScanResults                results = new AltosScanResults();
 140
 141         int                             telemetry;
 142
 143         final static int                timeout = 1200;
 144         TelemetryHandler                handler;
 145         Thread                          thread;
 146         AltosFrequency[]                frequencies;
 147         int                             frequency_index;
 148
 149         void scan_exception(Exception e) {
 150                 if (e instanceof FileNotFoundException) {
 151                         JOptionPane.showMessageDialog(owner,
 152                                                       ((FileNotFoundException) e).getMessage(),
 153                                                       "Cannot open target device",
 154                                                       JOptionPane.ERROR_MESSAGE);
 155                 } else if (e instanceof AltosSerialInUseException) {
 156                         JOptionPane.showMessageDialog(owner,
 157                                                       String.format("Device \"%s\" already in use",
 158                                                                     device.toShortString()),
 159                                                       "Device in use",
 160                                                       JOptionPane.ERROR_MESSAGE);
 161                 } else if (e instanceof IOException) {
 162                         IOException ee = (IOException) e;
 163                         JOptionPane.showMessageDialog(owner,
 164                                                       device.toShortString(),
 165                                                       ee.getLocalizedMessage(),
 166                                                       JOptionPane.ERROR_MESSAGE);
 167                 } else {
 168                         JOptionPane.showMessageDialog(owner,
 169                                                       String.format("Connection to \"%s\" failed",
 170                                                                     device.toShortString()),
 171                                                       "Connection Failed",
 172                                                       JOptionPane.ERROR_MESSAGE);
 173                 }
 174                 close();
 175         }
 176
 177         class TelemetryHandler implements Runnable {
 178
 179                 public void run() {
 180
 181                         boolean interrupted = false;
 182
 183                         try {
 184                                 for (;;) {
 185                                         try {
 186                                                 AltosRecord     record = reader.read();
 187                                                 if (record == null)
 188                                                         continue;
 189                                                 if ((record.seen & AltosRecord.seen_flight) != 0) {
 190                                                         final AltosScanResult   result = new AltosScanResult(record.callsign,
 191                                                                                                      record.serial,
 192                                                                                                      record.flight,
 193                                                                                                      frequencies[frequency_index],
 194                                                                                                      telemetry);
 195                                                         Runnable r = new Runnable() {
 196                                                                         public void run() {
 197                                                                                 results.add(result);
 198                                                                         }
 199                                                                 };
 200                                                         SwingUtilities.invokeLater(r);
 201                                                 }
 202                                         } catch (ParseException pp) {
 203                                         } catch (AltosCRCException ce) {
 204                                         }
 205                                 }
 206                         } catch (InterruptedException ee) {
 207                                 interrupted = true;
 208                         } catch (IOException ie) {
 209                         } finally {
 210                                 reader.close(interrupted);
 211                         }
 212                 }
 213         }
 214
 215         void set_label() {
 216                 frequency_label.setText(String.format("Frequency: %s", frequencies[frequency_index].toString()));
 217                 telemetry_label.setText(String.format("Telemetry: %s", Altos.telemetry_name(telemetry)));
 218         }
 219
 220         void set_telemetry() {
 221                 reader.set_telemetry(telemetry);
 222         }
 223
 224         void set_frequency() throws InterruptedException, TimeoutException {
 225                 reader.set_frequency(frequencies[frequency_index].frequency);
 226                 reader.reset();
 227         }
 228
 229         void next() throws InterruptedException, TimeoutException {
 230                 reader.set_monitor(false);
 231                 Thread.sleep(100);
 232                 ++frequency_index;
 233                 if (frequency_index >= frequencies.length ||
 234                     !telemetry_boxes[telemetry - Altos.ao_telemetry_min].isSelected())
 235                 {
 236                         frequency_index = 0;
 237                         do {
 238                                 ++telemetry;
 239                                 if (telemetry > Altos.ao_telemetry_max)
 240                                         telemetry = Altos.ao_telemetry_min;
 241                         } while (!telemetry_boxes[telemetry - Altos.ao_telemetry_min].isSelected());
 242                         set_telemetry();
 243                 }
 244                 set_frequency();
 245                 set_label();
 246                 reader.set_monitor(true);
 247         }
 248
 249
 250         void close() {
 251                 if (thread != null && thread.isAlive()) {
 252                         thread.interrupt();
 253                         try {
 254                                 thread.join();
 255                         } catch (InterruptedException ie) {}
 256                 }
 257                 thread = null;
 258                 if (timer != null)
 259                         timer.stop();
 260                 setVisible(false);
 261                 dispose();
 262         }
 263
 264         void tick_timer() throws InterruptedException, TimeoutException {
 265                 next();
 266         }
 267
 268         public void actionPerformed(ActionEvent e) {
 269                 String cmd = e.getActionCommand();
 270
 271                 try {
 272                         if (cmd.equals("cancel"))
 273                                 close();
 274
 275                         if (cmd.equals("tick"))
 276                                 tick_timer();
 277
 278                         if (cmd.equals("telemetry")) {
 279                                 int k;
 280                                 int scanning_telemetry = 0;
 281                                 for (k = Altos.ao_telemetry_min; k <= Altos.ao_telemetry_max; k++) {
 282                                         int j = k - Altos.ao_telemetry_min;
 283                                         if (telemetry_boxes[j].isSelected())
 284                                                 scanning_telemetry |= (1 << k);
 285                                 }
 286                                 if (scanning_telemetry == 0) {
 287                                         scanning_telemetry |= (1 << Altos.ao_telemetry_standard);
 288                                         telemetry_boxes[Altos.ao_telemetry_standard - Altos.ao_telemetry_min].setSelected(true);
 289                                 }
 290                                 AltosUIPreferences.set_scanning_telemetry(scanning_telemetry);
 291                         }
 292
 293                         if (cmd.equals("monitor")) {
 294                                 close();
 295                                 AltosScanResult r = (AltosScanResult) (list.getSelectedValue());
 296                                 if (r != null) {
 297                                         if (device != null) {
 298                                                 if (reader != null) {
 299                                                         reader.set_telemetry(r.telemetry);
 300                                                         reader.set_frequency(r.frequency.frequency);
 301                                                         reader.save_frequency();
 302                                                         owner.telemetry_window(device);
 303                                                 }
 304                                         }
 305                                 }
 306                         }
 307                 } catch (TimeoutException te) {
 308                         close();
 309                 } catch (InterruptedException ie) {
 310                         close();
 311                 }
 312         }
 313
 314         /* A window listener to catch closing events and tell the config code */
 315         class ConfigListener extends WindowAdapter {
 316                 AltosScanUI     ui;
 317
 318                 public ConfigListener(AltosScanUI this_ui) {
 319                         ui = this_ui;
 320                 }
 321
 322                 public void windowClosing(WindowEvent e) {
 323                         ui.actionPerformed(new ActionEvent(e.getSource(),
 324                                                            ActionEvent.ACTION_PERFORMED,
 325                                                            "close"));
 326                 }
 327         }
 328
 329         private boolean open() {
 330                 device = AltosDeviceDialog.show(owner, Altos.product_basestation);
 331                 if (device == null)
 332                         return false;
 333                 try {
 334                         reader = new AltosTelemetryReader(new AltosSerial(device));
 335                         set_frequency();
 336                         set_telemetry();
 337                         try {
 338                                 Thread.sleep(100);
 339                         } catch (InterruptedException ie) {
 340                         }
 341                         reader.flush();
 342                         handler = new TelemetryHandler();
 343                         thread = new Thread(handler);
 344                         thread.start();
 345                         return true;
 346                 } catch (FileNotFoundException ee) {
 347                         JOptionPane.showMessageDialog(owner,
 348                                                       ee.getMessage(),
 349                                                       "Cannot open target device",
 350                                                       JOptionPane.ERROR_MESSAGE);
 351                 } catch (AltosSerialInUseException si) {
 352                         JOptionPane.showMessageDialog(owner,
 353                                                       String.format("Device \"%s\" already in use",
 354                                                                     device.toShortString()),
 355                                                       "Device in use",
 356                                                       JOptionPane.ERROR_MESSAGE);
 357                 } catch (IOException ee) {
 358                         JOptionPane.showMessageDialog(owner,
 359                                                       device.toShortString(),
 360                                                       "Unkonwn I/O error",
 361                                                       JOptionPane.ERROR_MESSAGE);
 362                 } catch (TimeoutException te) {
 363                         JOptionPane.showMessageDialog(owner,
 364                                                       device.toShortString(),
 365                                                       "Timeout error",
 366                                                       JOptionPane.ERROR_MESSAGE);
 367                 } catch (InterruptedException ie) {
 368                         JOptionPane.showMessageDialog(owner,
 369                                                       device.toShortString(),
 370                                                       "Interrupted exception",
 371                                                       JOptionPane.ERROR_MESSAGE);
 372                 }
 373                 if (reader != null)
 374                         reader.close(false);
 375                 return false;
 376         }
 377
 378         public AltosScanUI(AltosUI in_owner) {
 379
 380                 owner = in_owner;
 381
 382                 frequencies = AltosUIPreferences.common_frequencies();
 383                 frequency_index = 0;
 384                 telemetry = Altos.ao_telemetry_min;
 385
 386                 if (!open())
 387                         return;
 388
 389                 Container               pane = getContentPane();
 390                 GridBagConstraints      c = new GridBagConstraints();
 391                 Insets                  i = new Insets(4,4,4,4);
 392
 393                 timer = new javax.swing.Timer(timeout, this);
 394                 timer.setActionCommand("tick");
 395                 timer.restart();
 396
 397                 owner = in_owner;
 398
 399                 pane.setLayout(new GridBagLayout());
 400
 401                 scanning_label = new JLabel("Scanning:");
 402                 frequency_label = new JLabel("");
 403                 telemetry_label = new JLabel("");
 404
 405                 set_label();
 406
 407                 c.fill = GridBagConstraints.HORIZONTAL;
 408                 c.anchor = GridBagConstraints.WEST;
 409                 c.insets = i;
 410                 c.weightx = 1;
 411                 c.weighty = 1;
 412
 413                 c.gridx = 0;
 414                 c.gridy = 0;
 415                 c.gridwidth = 2;
 416
 417                 pane.add(scanning_label, c);
 418                 c.gridy = 1;
 419                 pane.add(frequency_label, c);
 420                 c.gridy = 2;
 421                 pane.add(telemetry_label, c);
 422
 423                 int     scanning_telemetry = AltosUIPreferences.scanning_telemetry();
 424                 telemetry_boxes = new JCheckBox[Altos.ao_telemetry_max - Altos.ao_telemetry_min + 1];
 425                 for (int k = Altos.ao_telemetry_min; k <= Altos.ao_telemetry_max; k++) {
 426                         int j = k - Altos.ao_telemetry_min;
 427                         telemetry_boxes[j] = new JCheckBox(AltosLib.telemetry_name(k));
 428                         c.gridy = 3 + j;
 429                         pane.add(telemetry_boxes[j], c);
 430                         telemetry_boxes[j].setActionCommand("telemetry");
 431                         telemetry_boxes[j].addActionListener(this);
 432                         telemetry_boxes[j].setSelected((scanning_telemetry & (1 << k)) != 0);
 433                 }
 434
 435                 int     y_offset = 3 + (Altos.ao_telemetry_max - Altos.ao_telemetry_min + 1);
 436
 437                 list = new JList(results) {
 438                                 //Subclass JList to workaround bug 4832765, which can cause the
 439                                 //scroll pane to not let the user easily scroll up to the beginning
 440                                 //of the list.  An alternative would be to set the unitIncrement
 441                                 //of the JScrollBar to a fixed value. You wouldn't get the nice
 442                                 //aligned scrolling, but it should work.
 443                                 public int getScrollableUnitIncrement(Rectangle visibleRect,
 444                                                                       int orientation,
 445                                                                       int direction) {
 446                                         int row;
 447                                         if (orientation == SwingConstants.VERTICAL &&
 448                                             direction < 0 && (row = getFirstVisibleIndex()) != -1) {
 449                                                 Rectangle r = getCellBounds(row, row);
 450                                                 if ((r.y == visibleRect.y) && (row != 0))  {
 451                                                         Point loc = r.getLocation();
 452                                                         loc.y--;
 453                                                         int prevIndex = locationToIndex(loc);
 454                                                         Rectangle prevR = getCellBounds(prevIndex, prevIndex);
 455
 456                                                         if (prevR == null || prevR.y >= r.y) {
 457                                                                 return 0;
 458                                                         }
 459                                                         return prevR.height;
 460                                                 }
 461                                         }
 462                                         return super.getScrollableUnitIncrement(
 463                                                 visibleRect, orientation, direction);
 464                                 }
 465                         };
 466
 467                 list.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
 468                 list.setLayoutOrientation(JList.HORIZONTAL_WRAP);
 469                 list.setVisibleRowCount(-1);
 470
 471                 list.addMouseListener(new MouseAdapter() {
 472                                  public void mouseClicked(MouseEvent e) {
 473                                          if (e.getClickCount() == 2) {
 474                                                  monitor_button.doClick(); //emulate button click
 475                                          }
 476                                  }
 477                         });
 478                 JScrollPane listScroller = new JScrollPane(list);
 479                 listScroller.setPreferredSize(new Dimension(400, 80));
 480                 listScroller.setAlignmentX(LEFT_ALIGNMENT);
 481
 482                 //Create a container so that we can add a title around
 483                 //the scroll pane.  Can't add a title directly to the
 484                 //scroll pane because its background would be white.
 485                 //Lay out the label and scroll pane from top to bottom.
 486                 JPanel listPane = new JPanel();
 487                 listPane.setLayout(new BoxLayout(listPane, BoxLayout.PAGE_AXIS));
 488
 489                 JLabel label = new JLabel("Select Device");
 490                 label.setLabelFor(list);
 491                 listPane.add(label);
 492                 listPane.add(Box.createRigidArea(new Dimension(0,5)));
 493                 listPane.add(listScroller);
 494                 listPane.setBorder(BorderFactory.createEmptyBorder(10,10,10,10));
 495
 496                 c.fill = GridBagConstraints.BOTH;
 497                 c.anchor = GridBagConstraints.CENTER;
 498                 c.insets = i;
 499                 c.weightx = 1;
 500                 c.weighty = 1;
 501
 502                 c.gridx = 0;
 503                 c.gridy = y_offset;
 504                 c.gridwidth = 2;
 505                 c.anchor = GridBagConstraints.CENTER;
 506
 507                 pane.add(listPane, c);
 508
 509                 cancel_button = new JButton("Cancel");
 510                 cancel_button.addActionListener(this);
 511                 cancel_button.setActionCommand("cancel");
 512
 513                 c.fill = GridBagConstraints.NONE;
 514                 c.anchor = GridBagConstraints.CENTER;
 515                 c.insets = i;
 516                 c.weightx = 1;
 517                 c.weighty = 1;
 518
 519                 c.gridx = 0;
 520                 c.gridy = y_offset + 1;
 521                 c.gridwidth = 1;
 522                 c.anchor = GridBagConstraints.CENTER;
 523
 524                 pane.add(cancel_button, c);
 525
 526                 monitor_button = new JButton("Monitor");
 527                 monitor_button.addActionListener(this);
 528                 monitor_button.setActionCommand("monitor");
 529
 530                 c.fill = GridBagConstraints.NONE;
 531                 c.anchor = GridBagConstraints.CENTER;
 532                 c.insets = i;
 533                 c.weightx = 1;
 534                 c.weighty = 1;
 535
 536                 c.gridx = 1;
 537                 c.gridy = y_offset + 1;
 538                 c.gridwidth = 1;
 539                 c.anchor = GridBagConstraints.CENTER;
 540
 541                 pane.add(monitor_button, c);
 542
 543                 pack();
 544                 setLocationRelativeTo(owner);
 545
 546                 addWindowListener(new ConfigListener(this));
 547
 548                 setVisible(true);
 549         }
 550 }