--- /dev/null
+/*
+ * Copyright © 2011 Keith Packard <keithp@keithp.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ */
+
+package altosui;
+
+import java.awt.*;
+import java.awt.event.*;
+import javax.swing.*;
+import javax.swing.filechooser.FileNameExtensionFilter;
+import javax.swing.table.*;
+import javax.swing.event.*;
+import java.io.*;
+import java.util.*;
+import java.text.*;
+import java.util.prefs.*;
+import java.util.concurrent.*;
+
+class AltosScanResult {
+ String callsign;
+ int serial;
+ int flight;
+ int channel;
+ int telemetry;
+ boolean interrupted = false;
+
+ public String toString() {
+ return String.format("%-9.9s %4d %4d %2d %2d",
+ callsign, serial, flight, channel, telemetry);
+ }
+
+ public String toShortString() {
+ return String.format("%s %d %d %d %d",
+ callsign, serial, flight, channel, telemetry);
+ }
+
+ public AltosScanResult(String in_callsign, int in_serial,
+ int in_flight, int in_channel, int in_telemetry) {
+ callsign = in_callsign;
+ serial = in_serial;
+ flight = in_flight;
+ channel = in_channel;
+ telemetry = in_telemetry;
+ }
+
+ public boolean equals(AltosScanResult other) {
+ return (callsign.equals(other.callsign) &&
+ serial == other.serial &&
+ flight == other.flight &&
+ channel == other.channel &&
+ telemetry == other.telemetry);
+ }
+}
+
+class AltosScanResults extends LinkedList<AltosScanResult> implements ListModel {
+
+ LinkedList<ListDataListener> listeners = new LinkedList<ListDataListener>();
+
+ public boolean add(AltosScanResult r) {
+ for (AltosScanResult old : this)
+ if (old.equals(r))
+ return true;
+
+ super.add(r);
+ ListDataEvent de = new ListDataEvent(this,
+ ListDataEvent.INTERVAL_ADDED,
+ this.size() - 2, this.size() - 1);
+ for (ListDataListener l : listeners)
+ l.contentsChanged(de);
+ return true;
+ }
+
+ public void addListDataListener(ListDataListener l) {
+ listeners.add(l);
+ }
+
+ public void removeListDataListener(ListDataListener l) {
+ listeners.remove(l);
+ }
+
+ public AltosScanResult getElementAt(int i) {
+ return this.get(i);
+ }
+
+ public int getSize() {
+ return this.size();
+ }
+}
+
+public class AltosScanUI
+ extends JDialog
+ implements ActionListener
+{
+ JFrame owner;
+ AltosDevice device;
+ AltosTelemetryReader reader;
+ private JList list;
+ private JLabel channel_label;
+ private JLabel monitor_label;
+ private JButton ok_button;
+ javax.swing.Timer timer;
+ AltosScanResults results = new AltosScanResults();
+
+ static final int[] monitors = { Altos.ao_telemetry_split_len,
+ Altos.ao_telemetry_legacy_len };
+ int monitor;
+ int channel;
+
+ final static int timeout = 5 * 1000;
+ TelemetryHandler handler;
+ Thread thread;
+
+ void scan_exception(Exception e) {
+ if (e instanceof FileNotFoundException) {
+ JOptionPane.showMessageDialog(owner,
+ String.format("Cannot open device \"%s\"",
+ device.toShortString()),
+ "Cannot open target device",
+ JOptionPane.ERROR_MESSAGE);
+ } else if (e instanceof AltosSerialInUseException) {
+ JOptionPane.showMessageDialog(owner,
+ String.format("Device \"%s\" already in use",
+ device.toShortString()),
+ "Device in use",
+ JOptionPane.ERROR_MESSAGE);
+ } else if (e instanceof IOException) {
+ IOException ee = (IOException) e;
+ JOptionPane.showMessageDialog(owner,
+ device.toShortString(),
+ ee.getLocalizedMessage(),
+ JOptionPane.ERROR_MESSAGE);
+ } else {
+ JOptionPane.showMessageDialog(owner,
+ String.format("Connection to \"%s\" failed",
+ device.toShortString()),
+ "Connection Failed",
+ JOptionPane.ERROR_MESSAGE);
+ }
+ close();
+ }
+
+ class TelemetryHandler implements Runnable {
+
+ public void run() {
+
+ boolean interrupted = false;
+
+ try {
+ for (;;) {
+ try {
+ AltosRecord record = reader.read();
+ if (record == null)
+ break;
+ if ((record.seen & AltosRecord.seen_flight) != 0) {
+ AltosScanResult result = new AltosScanResult(record.callsign,
+ record.serial,
+ record.flight,
+ channel,
+ monitor);
+ results.add(result);
+ }
+ } catch (ParseException pp) {
+ System.out.printf("Parse error: %d \"%s\"\n", pp.getErrorOffset(), pp.getMessage());
+ } catch (AltosCRCException ce) {
+ }
+ }
+ } catch (InterruptedException ee) {
+ interrupted = true;
+ } catch (IOException ie) {
+ } finally {
+ reader.close(interrupted);
+ }
+ }
+ }
+
+ void set_channel() {
+ reader.serial.set_channel(channel);
+ }
+
+ void set_monitor() {
+ reader.serial.set_telemetry(monitors[monitor]);
+ }
+
+ void next() {
+ ++channel;
+ if (channel == 10) {
+ channel = 0;
+ ++monitor;
+ if (monitor == monitors.length)
+ monitor = 0;
+ set_monitor();
+ }
+ set_channel();
+ }
+
+
+ void close() {
+ if (thread != null && thread.isAlive()) {
+ thread.interrupt();
+ try {
+ thread.join();
+ } catch (InterruptedException ie) {}
+ }
+ thread = null;
+ if (timer != null)
+ timer.stop();
+ setVisible(false);
+ dispose();
+ }
+
+ void tick_timer() {
+ next();
+ }
+
+ public void actionPerformed(ActionEvent e) {
+ String cmd = e.getActionCommand();
+
+ if (cmd.equals("close")) {
+ close();
+ }
+ }
+
+ /* A window listener to catch closing events and tell the config code */
+ class ConfigListener extends WindowAdapter {
+ AltosScanUI ui;
+
+ public ConfigListener(AltosScanUI this_ui) {
+ ui = this_ui;
+ }
+
+ public void windowClosing(WindowEvent e) {
+ ui.actionPerformed(new ActionEvent(e.getSource(),
+ ActionEvent.ACTION_PERFORMED,
+ "close"));
+ }
+ }
+
+ private boolean open() {
+ device = AltosDeviceDialog.show(owner, Altos.product_any);
+ if (device != null) {
+ try {
+ reader = new AltosTelemetryReader(device);
+ set_channel();
+ set_monitor();
+ handler = new TelemetryHandler();
+ thread = new Thread(handler);
+ thread.start();
+ return true;
+ } catch (Exception e) {
+ scan_exception(e);
+ }
+ }
+ return false;
+ }
+
+ public AltosScanUI(JFrame in_owner) {
+
+ owner = in_owner;
+
+ if (!open())
+ return;
+
+ Container pane = getContentPane();
+ GridBagConstraints c = new GridBagConstraints();
+ Insets i = new Insets(4,4,4,4);
+
+ timer = new javax.swing.Timer(timeout, this);
+ timer.setActionCommand("tick");
+ timer.restart();
+
+ owner = in_owner;
+
+ pane.setLayout(new GridBagLayout());
+
+ c.fill = GridBagConstraints.NONE;
+ c.anchor = GridBagConstraints.CENTER;
+ c.insets = i;
+ c.weightx = 1;
+ c.weighty = 1;
+
+ c.gridx = 0;
+ c.gridy = 0;
+ c.gridwidth = 3;
+ c.anchor = GridBagConstraints.CENTER;
+
+ list = new JList(results) {
+ //Subclass JList to workaround bug 4832765, which can cause the
+ //scroll pane to not let the user easily scroll up to the beginning
+ //of the list. An alternative would be to set the unitIncrement
+ //of the JScrollBar to a fixed value. You wouldn't get the nice
+ //aligned scrolling, but it should work.
+ public int getScrollableUnitIncrement(Rectangle visibleRect,
+ int orientation,
+ int direction) {
+ int row;
+ if (orientation == SwingConstants.VERTICAL &&
+ direction < 0 && (row = getFirstVisibleIndex()) != -1) {
+ Rectangle r = getCellBounds(row, row);
+ if ((r.y == visibleRect.y) && (row != 0)) {
+ Point loc = r.getLocation();
+ loc.y--;
+ int prevIndex = locationToIndex(loc);
+ Rectangle prevR = getCellBounds(prevIndex, prevIndex);
+
+ if (prevR == null || prevR.y >= r.y) {
+ return 0;
+ }
+ return prevR.height;
+ }
+ }
+ return super.getScrollableUnitIncrement(
+ visibleRect, orientation, direction);
+ }
+ };
+
+ list.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
+ list.setLayoutOrientation(JList.HORIZONTAL_WRAP);
+ list.setVisibleRowCount(-1);
+
+// list.addMouseListener(new MouseAdapter() {
+// public void mouseClicked(MouseEvent e) {
+// if (e.getClickCount() == 2) {
+// select_button.doClick(); //emulate button click
+// }
+// }
+// });
+ JScrollPane listScroller = new JScrollPane(list);
+ listScroller.setPreferredSize(new Dimension(400, 80));
+ listScroller.setAlignmentX(LEFT_ALIGNMENT);
+
+ //Create a container so that we can add a title around
+ //the scroll pane. Can't add a title directly to the
+ //scroll pane because its background would be white.
+ //Lay out the label and scroll pane from top to bottom.
+ JPanel listPane = new JPanel();
+ listPane.setLayout(new BoxLayout(listPane, BoxLayout.PAGE_AXIS));
+
+ JLabel label = new JLabel("Select Device");
+ label.setLabelFor(list);
+ listPane.add(label);
+ listPane.add(Box.createRigidArea(new Dimension(0,5)));
+ listPane.add(listScroller);
+ listPane.setBorder(BorderFactory.createEmptyBorder(10,10,10,10));
+
+ pane.add(listPane, c);
+
+ pack();
+ setLocationRelativeTo(owner);
+
+ addWindowListener(new ConfigListener(this));
+ }
+}
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