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         static final String[] short_monitor_names = { "Standard", "Original" };
  39
  40         boolean interrupted = false;
  41
  42         public String toString() {
  43                 return String.format("%-9.9s serial %-4d flight %-4d (channel %-2d telemetry %s)",
  44                                      callsign, serial, flight, channel, short_monitor_names[telemetry]);
  45         }
  46
  47         public String toShortString() {
  48                 return String.format("%s %d %d %d %d",
  49                                      callsign, serial, flight, channel, telemetry);
  50         }
  51
  52         public AltosScanResult(String in_callsign, int in_serial,
  53                                int in_flight, int in_channel, int in_telemetry) {
  54                 callsign = in_callsign;
  55                 serial = in_serial;
  56                 flight = in_flight;
  57                 channel = in_channel;
  58                 telemetry = in_telemetry;
  59         }
  60
  61         public boolean equals(AltosScanResult other) {
  62                 return (callsign.equals(other.callsign) &&
  63                         serial == other.serial &&
  64                         flight == other.flight &&
  65                         channel == other.channel &&
  66                         telemetry == other.telemetry);
  67         }
  68 }
  69
  70 class AltosScanResults extends LinkedList<AltosScanResult> implements ListModel {
  71
  72         LinkedList<ListDataListener>    listeners = new LinkedList<ListDataListener>();
  73
  74         public boolean add(AltosScanResult r) {
  75                 for (AltosScanResult old : this)
  76                         if (old.equals(r))
  77                                 return true;
  78
  79                 super.add(r);
  80                 ListDataEvent   de = new ListDataEvent(this,
  81                                                        ListDataEvent.INTERVAL_ADDED,
  82                                                        this.size() - 2, this.size() - 1);
  83                 for (ListDataListener l : listeners)
  84                         l.contentsChanged(de);
  85                 return true;
  86         }
  87
  88         public void addListDataListener(ListDataListener l) {
  89                 listeners.add(l);
  90         }
  91
  92         public void removeListDataListener(ListDataListener l) {
  93                 listeners.remove(l);
  94         }
  95
  96         public AltosScanResult getElementAt(int i) {
  97                 return this.get(i);
  98         }
  99
 100         public int getSize() {
 101                 return this.size();
 102         }
 103 }
 104
 105 public class AltosScanUI
 106         extends JDialog
 107         implements ActionListener
 108 {
 109         AltosUI                         owner;
 110         AltosDevice                     device;
 111         AltosTelemetryReader            reader;
 112         private JList                   list;
 113         private JLabel                  scanning_label;
 114         private JButton                 cancel_button;
 115         private JButton                 monitor_button;
 116         javax.swing.Timer               timer;
 117         AltosScanResults                results = new AltosScanResults();
 118
 119         static final String[]           monitor_names = { "Standard AltOS Telemetry", "Original TeleMetrum Telemetry" };
 120         static final int[]              monitors = { 2, 1 };
 121         int                             monitor;
 122         int                             channel;
 123
 124         final static int                timeout = 1200;
 125         TelemetryHandler                handler;
 126         Thread                          thread;
 127
 128         void scan_exception(Exception e) {
 129                 if (e instanceof FileNotFoundException) {
 130                         JOptionPane.showMessageDialog(owner,
 131                                                       String.format("Cannot open device \"%s\"",
 132                                                                     device.toShortString()),
 133                                                       "Cannot open target device",
 134                                                       JOptionPane.ERROR_MESSAGE);
 135                 } else if (e instanceof AltosSerialInUseException) {
 136                         JOptionPane.showMessageDialog(owner,
 137                                                       String.format("Device \"%s\" already in use",
 138                                                                     device.toShortString()),
 139                                                       "Device in use",
 140                                                       JOptionPane.ERROR_MESSAGE);
 141                 } else if (e instanceof IOException) {
 142                         IOException ee = (IOException) e;
 143                         JOptionPane.showMessageDialog(owner,
 144                                                       device.toShortString(),
 145                                                       ee.getLocalizedMessage(),
 146                                                       JOptionPane.ERROR_MESSAGE);
 147                 } else {
 148                         JOptionPane.showMessageDialog(owner,
 149                                                       String.format("Connection to \"%s\" failed",
 150                                                                     device.toShortString()),
 151                                                       "Connection Failed",
 152                                                       JOptionPane.ERROR_MESSAGE);
 153                 }
 154                 close();
 155         }
 156
 157         class TelemetryHandler implements Runnable {
 158
 159                 public void run() {
 160
 161                         boolean interrupted = false;
 162
 163                         try {
 164                                 for (;;) {
 165                                         try {
 166                                                 AltosRecord     record = reader.read();
 167                                                 if (record == null)
 168                                                         continue;
 169                                                 if ((record.seen & AltosRecord.seen_flight) != 0) {
 170                                                         final AltosScanResult   result = new AltosScanResult(record.callsign,
 171                                                                                                      record.serial,
 172                                                                                                      record.flight,
 173                                                                                                      channel,
 174                                                                                                      monitor);
 175                                                         Runnable r = new Runnable() {
 176                                                                         public void run() {
 177                                                                                 results.add(result);
 178                                                                         }
 179                                                                 };
 180                                                         SwingUtilities.invokeLater(r);
 181                                                 }
 182                                         } catch (ParseException pp) {
 183                                         } catch (AltosCRCException ce) {
 184                                         }
 185                                 }
 186                         } catch (InterruptedException ee) {
 187                                 interrupted = true;
 188                         } catch (IOException ie) {
 189                         } finally {
 190                                 reader.close(interrupted);
 191                         }
 192                 }
 193         }
 194
 195         void set_label() {
 196                 scanning_label.setText(String.format("Scanning: channel %d %s",
 197                                                      channel,
 198                                                      monitor_names[monitor]));
 199         }
 200
 201         void next() {
 202                 reader.serial.set_monitor(false);
 203                 try {
 204                         Thread.sleep(100);
 205                 } catch (InterruptedException ie){
 206                 }
 207                 ++channel;
 208                 if (channel > 9) {
 209                         channel = 0;
 210                         ++monitor;
 211                         if (monitor == monitors.length)
 212                                 monitor = 0;
 213                         reader.serial.set_telemetry(monitors[monitor]);
 214                 }
 215                 reader.serial.set_channel(channel);
 216                 set_label();
 217                 reader.serial.set_monitor(true);
 218         }
 219
 220
 221         void close() {
 222                 if (thread != null && thread.isAlive()) {
 223                         thread.interrupt();
 224                         try {
 225                                 thread.join();
 226                         } catch (InterruptedException ie) {}
 227                 }
 228                 thread = null;
 229                 if (timer != null)
 230                         timer.stop();
 231                 setVisible(false);
 232                 dispose();
 233         }
 234
 235         void tick_timer() {
 236                 next();
 237         }
 238
 239         public void actionPerformed(ActionEvent e) {
 240                 String cmd = e.getActionCommand();
 241
 242                 if (cmd.equals("cancel"))
 243                         close();
 244
 245                 if (cmd.equals("tick"))
 246                         tick_timer();
 247
 248                 if (cmd.equals("monitor")) {
 249                         close();
 250                         AltosScanResult r = (AltosScanResult) (list.getSelectedValue());
 251                         if (r != null) {
 252                                 if (device != null) {
 253                                         if (reader != null) {
 254                                                 reader.set_telemetry(monitors[r.telemetry]);
 255                                                 reader.set_channel(r.channel);
 256                                                 owner.telemetry_window(device);
 257                                         }
 258                                 }
 259                         }
 260                 }
 261         }
 262
 263         /* A window listener to catch closing events and tell the config code */
 264         class ConfigListener extends WindowAdapter {
 265                 AltosScanUI     ui;
 266
 267                 public ConfigListener(AltosScanUI this_ui) {
 268                         ui = this_ui;
 269                 }
 270
 271                 public void windowClosing(WindowEvent e) {
 272                         ui.actionPerformed(new ActionEvent(e.getSource(),
 273                                                            ActionEvent.ACTION_PERFORMED,
 274                                                            "close"));
 275                 }
 276         }
 277
 278         private boolean open() {
 279                 device = AltosDeviceDialog.show(owner, Altos.product_basestation);
 280                 if (device == null)
 281                         return false;
 282                 try {
 283                         reader = new AltosTelemetryReader(device);
 284                         reader.serial.set_channel(channel);
 285                         reader.serial.set_telemetry(monitors[monitor]);
 286                         handler = new TelemetryHandler();
 287                         thread = new Thread(handler);
 288                         thread.start();
 289                         return true;
 290                 } catch (FileNotFoundException ee) {
 291                         JOptionPane.showMessageDialog(owner,
 292                                                       String.format("Cannot open device \"%s\"",
 293                                                                     device.toShortString()),
 294                                                       "Cannot open target device",
 295                                                       JOptionPane.ERROR_MESSAGE);
 296                 } catch (AltosSerialInUseException si) {
 297                         JOptionPane.showMessageDialog(owner,
 298                                                       String.format("Device \"%s\" already in use",
 299                                                                     device.toShortString()),
 300                                                       "Device in use",
 301                                                       JOptionPane.ERROR_MESSAGE);
 302                 } catch (IOException ee) {
 303                         JOptionPane.showMessageDialog(owner,
 304                                                       device.toShortString(),
 305                                                       "Unkonwn I/O error",
 306                                                       JOptionPane.ERROR_MESSAGE);
 307                 }
 308                 if (reader != null)
 309                         reader.close(false);
 310                 return false;
 311         }
 312
 313         public AltosScanUI(AltosUI in_owner) {
 314
 315                 owner = in_owner;
 316
 317                 if (!open())
 318                         return;
 319
 320                 Container               pane = getContentPane();
 321                 GridBagConstraints      c = new GridBagConstraints();
 322                 Insets                  i = new Insets(4,4,4,4);
 323
 324                 timer = new javax.swing.Timer(timeout, this);
 325                 timer.setActionCommand("tick");
 326                 timer.restart();
 327
 328                 owner = in_owner;
 329
 330                 pane.setLayout(new GridBagLayout());
 331
 332                 scanning_label = new JLabel("Scanning:");
 333
 334                 set_label();
 335
 336                 c.fill = GridBagConstraints.NONE;
 337                 c.anchor = GridBagConstraints.CENTER;
 338                 c.insets = i;
 339                 c.weightx = 1;
 340                 c.weighty = 1;
 341
 342                 c.gridx = 0;
 343                 c.gridy = 0;
 344                 c.gridwidth = 2;
 345                 c.anchor = GridBagConstraints.CENTER;
 346
 347                 pane.add(scanning_label, c);
 348
 349                 list = new JList(results) {
 350                                 //Subclass JList to workaround bug 4832765, which can cause the
 351                                 //scroll pane to not let the user easily scroll up to the beginning
 352                                 //of the list.  An alternative would be to set the unitIncrement
 353                                 //of the JScrollBar to a fixed value. You wouldn't get the nice
 354                                 //aligned scrolling, but it should work.
 355                                 public int getScrollableUnitIncrement(Rectangle visibleRect,
 356                                                                       int orientation,
 357                                                                       int direction) {
 358                                         int row;
 359                                         if (orientation == SwingConstants.VERTICAL &&
 360                                             direction < 0 && (row = getFirstVisibleIndex()) != -1) {
 361                                                 Rectangle r = getCellBounds(row, row);
 362                                                 if ((r.y == visibleRect.y) && (row != 0))  {
 363                                                         Point loc = r.getLocation();
 364                                                         loc.y--;
 365                                                         int prevIndex = locationToIndex(loc);
 366                                                         Rectangle prevR = getCellBounds(prevIndex, prevIndex);
 367
 368                                                         if (prevR == null || prevR.y >= r.y) {
 369                                                                 return 0;
 370                                                         }
 371                                                         return prevR.height;
 372                                                 }
 373                                         }
 374                                         return super.getScrollableUnitIncrement(
 375                                                 visibleRect, orientation, direction);
 376                                 }
 377                         };
 378
 379                 list.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
 380                 list.setLayoutOrientation(JList.HORIZONTAL_WRAP);
 381                 list.setVisibleRowCount(-1);
 382
 383                 list.addMouseListener(new MouseAdapter() {
 384                                  public void mouseClicked(MouseEvent e) {
 385                                          if (e.getClickCount() == 2) {
 386                                                  monitor_button.doClick(); //emulate button click
 387                                          }
 388                                  }
 389                         });
 390                 JScrollPane listScroller = new JScrollPane(list);
 391                 listScroller.setPreferredSize(new Dimension(400, 80));
 392                 listScroller.setAlignmentX(LEFT_ALIGNMENT);
 393
 394                 //Create a container so that we can add a title around
 395                 //the scroll pane.  Can't add a title directly to the
 396                 //scroll pane because its background would be white.
 397                 //Lay out the label and scroll pane from top to bottom.
 398                 JPanel listPane = new JPanel();
 399                 listPane.setLayout(new BoxLayout(listPane, BoxLayout.PAGE_AXIS));
 400
 401                 JLabel label = new JLabel("Select Device");
 402                 label.setLabelFor(list);
 403                 listPane.add(label);
 404                 listPane.add(Box.createRigidArea(new Dimension(0,5)));
 405                 listPane.add(listScroller);
 406                 listPane.setBorder(BorderFactory.createEmptyBorder(10,10,10,10));
 407
 408                 c.fill = GridBagConstraints.BOTH;
 409                 c.anchor = GridBagConstraints.CENTER;
 410                 c.insets = i;
 411                 c.weightx = 1;
 412                 c.weighty = 1;
 413
 414                 c.gridx = 0;
 415                 c.gridy = 1;
 416                 c.gridwidth = 2;
 417                 c.anchor = GridBagConstraints.CENTER;
 418
 419                 pane.add(listPane, c);
 420
 421                 cancel_button = new JButton("Cancel");
 422                 cancel_button.addActionListener(this);
 423                 cancel_button.setActionCommand("cancel");
 424
 425                 c.fill = GridBagConstraints.NONE;
 426                 c.anchor = GridBagConstraints.CENTER;
 427                 c.insets = i;
 428                 c.weightx = 1;
 429                 c.weighty = 1;
 430
 431                 c.gridx = 0;
 432                 c.gridy = 2;
 433                 c.gridwidth = 1;
 434                 c.anchor = GridBagConstraints.CENTER;
 435
 436                 pane.add(cancel_button, c);
 437
 438                 monitor_button = new JButton("Monitor");
 439                 monitor_button.addActionListener(this);
 440                 monitor_button.setActionCommand("monitor");
 441
 442                 c.fill = GridBagConstraints.NONE;
 443                 c.anchor = GridBagConstraints.CENTER;
 444                 c.insets = i;
 445                 c.weightx = 1;
 446                 c.weighty = 1;
 447
 448                 c.gridx = 1;
 449                 c.gridy = 2;
 450                 c.gridwidth = 1;
 451                 c.anchor = GridBagConstraints.CENTER;
 452
 453                 pane.add(monitor_button, c);
 454
 455                 pack();
 456                 setLocationRelativeTo(owner);
 457
 458                 addWindowListener(new ConfigListener(this));
 459
 460                 setVisible(true);
 461         }
 462 }