git.gag.com Git - fw/altos/blob - altosui/AltosBTManage.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 javax.swing.plaf.basic.*;
  27 import java.io.*;
  28 import java.util.*;
  29 import java.text.*;
  30 import java.util.prefs.*;
  31 import java.util.concurrent.*;
  32 import org.altusmetrum.AltosLib.*;
  33
  34 import libaltosJNI.*;
  35
  36 public class AltosBTManage extends AltosDialog implements ActionListener, Iterable<AltosBTDevice> {
  37         LinkedBlockingQueue<AltosBTDevice> found_devices;
  38         Frame frame;
  39         LinkedList<ActionListener> listeners;
  40         AltosBTKnown    bt_known;
  41
  42         class DeviceList extends JList implements Iterable<AltosBTDevice> {
  43                 LinkedList<AltosBTDevice> devices;
  44                 DefaultListModel        list_model;
  45
  46                 public void add (AltosBTDevice device) {
  47                         if (!devices.contains(device)) {
  48                                 devices.add(device);
  49                                 list_model.addElement(device);
  50                         }
  51                 }
  52
  53                 public void remove (AltosBTDevice device) {
  54                         if (devices.contains(device)) {
  55                                 devices.remove(device);
  56                                 list_model.removeElement(device);
  57                         }
  58                 }
  59
  60                 public boolean contains(AltosBTDevice device) {
  61                         return devices.contains(device);
  62                 }
  63
  64                 //Subclass JList to workaround bug 4832765, which can cause the
  65                 //scroll pane to not let the user easily scroll up to the beginning
  66                 //of the list.  An alternative would be to set the unitIncrement
  67                 //of the JScrollBar to a fixed value. You wouldn't get the nice
  68                 //aligned scrolling, but it should work.
  69                 public int getScrollableUnitIncrement(Rectangle visibleRect,
  70                                                       int orientation,
  71                                                       int direction) {
  72                         int row;
  73                         if (orientation == SwingConstants.VERTICAL &&
  74                             direction < 0 && (row = getFirstVisibleIndex()) != -1) {
  75                                 Rectangle r = getCellBounds(row, row);
  76                                 if ((r.y == visibleRect.y) && (row != 0))  {
  77                                         Point loc = r.getLocation();
  78                                         loc.y--;
  79                                         int prevIndex = locationToIndex(loc);
  80                                         Rectangle prevR = getCellBounds(prevIndex, prevIndex);
  81
  82                                         if (prevR == null || prevR.y >= r.y) {
  83                                                 return 0;
  84                                         }
  85                                         return prevR.height;
  86                                 }
  87                         }
  88                         return super.getScrollableUnitIncrement(
  89                                 visibleRect, orientation, direction);
  90                 }
  91
  92                 public Iterator<AltosBTDevice> iterator() {
  93                         return devices.iterator();
  94                 }
  95
  96                 public java.util.List<AltosBTDevice> selected_list() {
  97                         java.util.LinkedList<AltosBTDevice> l = new java.util.LinkedList<AltosBTDevice>();
  98                         Object[] a = getSelectedValues();
  99                         for (int i = 0; i < a.length; i++)
 100                                 l.add((AltosBTDevice)a[i]);
 101                         return l;
 102                 }
 103
 104                 public DeviceList() {
 105                         devices = new LinkedList<AltosBTDevice>();
 106                         list_model = new DefaultListModel();
 107                         setModel(list_model);
 108                         setSelectionMode(ListSelectionModel.MULTIPLE_INTERVAL_SELECTION);
 109                         setLayoutOrientation(JList.HORIZONTAL_WRAP);
 110                         setVisibleRowCount(-1);
 111                 }
 112         }
 113
 114         DeviceList      visible_devices;
 115
 116         DeviceList      known_devices;
 117         Thread          bt_thread;
 118
 119         public Iterator<AltosBTDevice> iterator() {
 120                 return known_devices.iterator();
 121         }
 122
 123         public void commit() {
 124                 bt_known.set(this);
 125         }
 126
 127         public void add_known() {
 128                 for (AltosBTDevice device : visible_devices.selected_list()) {
 129                         known_devices.add(device);
 130                         visible_devices.remove(device);
 131                 }
 132         }
 133
 134         public void remove_known() {
 135                 for (AltosBTDevice device : known_devices.selected_list()) {
 136                         known_devices.remove(device);
 137                         visible_devices.add(device);
 138                 }
 139         }
 140
 141         public void addActionListener(ActionListener l) {
 142                 listeners.add(l);
 143         }
 144
 145         private void forwardAction(ActionEvent e) {
 146                 for (ActionListener l : listeners)
 147                         l.actionPerformed(e);
 148         }
 149
 150         public void actionPerformed(ActionEvent e) {
 151                 String  command = e.getActionCommand();
 152                 if ("ok".equals(command)) {
 153                         bt_thread.interrupt();
 154                         commit();
 155                         setVisible(false);
 156                         forwardAction(e);
 157                 } else if ("cancel".equals(command)) {
 158                         bt_thread.interrupt();
 159                         setVisible(false);
 160                         forwardAction(e);
 161                 } else if ("select".equals(command)) {
 162                         add_known();
 163                 } else if ("deselect".equals(command)) {
 164                         remove_known();
 165                 }
 166         }
 167
 168         public void got_visible_device() {
 169                 while (!found_devices.isEmpty()) {
 170                         AltosBTDevice   device = found_devices.remove();
 171                         if (!known_devices.contains(device))
 172                                 visible_devices.add(device);
 173                 }
 174         }
 175
 176         class BTGetVisibleDevices implements Runnable {
 177                 public void run () {
 178                         for (;;)
 179                                 for (int time = 1; time <= 8; time <<= 1) {
 180                                         AltosBTDeviceIterator   i = new AltosBTDeviceIterator(time);
 181                                         AltosBTDevice           device;
 182
 183                                         if (Thread.interrupted())
 184                                                 return;
 185                                         try {
 186                                                 while ((device = i.next()) != null) {
 187                                                         Runnable r;
 188
 189                                                         if (Thread.interrupted())
 190                                                                 return;
 191                                                         found_devices.add(device);
 192                                                         r = new Runnable() {
 193                                                                         public void run() {
 194                                                                                 got_visible_device();
 195                                                                         }
 196                                                                 };
 197                                                         SwingUtilities.invokeLater(r);
 198                                                 }
 199                                         } catch (Exception e) {
 200                                                 System.out.printf("uh-oh, exception %s\n", e.toString());
 201                                         }
 202                                 }
 203                 }
 204         }
 205
 206         public static void show(Component frameComp, AltosBTKnown known) {
 207                 Frame   frame = JOptionPane.getFrameForComponent(frameComp);
 208                 AltosBTManage   dialog;
 209
 210                 dialog = new AltosBTManage(frame, known);
 211                 dialog.setVisible(true);
 212         }
 213
 214         public AltosBTManage(Frame in_frame, AltosBTKnown in_known) {
 215                 super(in_frame, "Manage Bluetooth Devices", true);
 216
 217                 frame = in_frame;
 218                 bt_known = in_known;
 219                 BTGetVisibleDevices     get_visible_devices = new BTGetVisibleDevices();
 220                 bt_thread = new Thread(get_visible_devices);
 221                 bt_thread.start();
 222
 223                 listeners = new LinkedList<ActionListener>();
 224
 225                 found_devices = new LinkedBlockingQueue<AltosBTDevice>();
 226
 227                 Container pane = getContentPane();
 228                 pane.setLayout(new GridBagLayout());
 229
 230                 GridBagConstraints c = new GridBagConstraints();
 231                 c.insets = new Insets(4,4,4,4);
 232
 233                 /*
 234                  * Known devices label and list
 235                  */
 236                 c.fill = GridBagConstraints.NONE;
 237                 c.anchor = GridBagConstraints.WEST;
 238                 c.gridx = 0;
 239                 c.gridy = 0;
 240                 c.gridwidth = 1;
 241                 c.gridheight = 1;
 242                 c.weightx = 0;
 243                 c.weighty = 0;
 244                 pane.add(new JLabel("Known Devices"), c);
 245
 246                 known_devices = new DeviceList();
 247                 for (AltosBTDevice device : bt_known)
 248                         known_devices.add(device);
 249
 250                 JScrollPane known_list_scroller = new JScrollPane(known_devices);
 251                 known_list_scroller.setPreferredSize(new Dimension(400, 80));
 252                 known_list_scroller.setAlignmentX(LEFT_ALIGNMENT);
 253                 c.fill = GridBagConstraints.BOTH;
 254                 c.anchor = GridBagConstraints.WEST;
 255                 c.gridx = 0;
 256                 c.gridy = 1;
 257                 c.gridwidth = 1;
 258                 c.gridheight = 2;
 259                 c.weightx = 1;
 260                 c.weighty = 1;
 261                 pane.add(known_list_scroller, c);
 262
 263                 /*
 264                  * Visible devices label and list
 265                  */
 266                 c.fill = GridBagConstraints.NONE;
 267                 c.anchor = GridBagConstraints.WEST;
 268                 c.gridx = 2;
 269                 c.gridy = 0;
 270                 c.gridwidth = 1;
 271                 c.gridheight = 1;
 272                 c.weightx = 0;
 273                 c.weighty = 0;
 274
 275                 pane.add(new JLabel("Visible Devices"), c);
 276
 277                 visible_devices = new DeviceList();
 278                 JScrollPane visible_list_scroller = new JScrollPane(visible_devices);
 279                 visible_list_scroller.setPreferredSize(new Dimension(400, 80));
 280                 visible_list_scroller.setAlignmentX(LEFT_ALIGNMENT);
 281                 c.fill = GridBagConstraints.BOTH;
 282                 c.anchor = GridBagConstraints.WEST;
 283                 c.gridx = 2;
 284                 c.gridy = 1;
 285                 c.gridheight = 2;
 286                 c.gridwidth = 1;
 287                 c.weightx = 1;
 288                 c.weighty = 1;
 289                 pane.add(visible_list_scroller, c);
 290
 291                 /*
 292                  * Arrows between the two lists
 293                  */
 294                 BasicArrowButton select_arrow = new BasicArrowButton(SwingConstants.WEST);
 295                 select_arrow.setActionCommand("select");
 296                 select_arrow.addActionListener(this);
 297                 c.fill = GridBagConstraints.NONE;
 298                 c.anchor = GridBagConstraints.SOUTH;
 299                 c.gridx = 1;
 300                 c.gridy = 1;
 301                 c.gridheight = 1;
 302                 c.gridwidth = 1;
 303                 c.weightx = 0;
 304                 c.weighty = 0;
 305                 pane.add(select_arrow, c);
 306
 307                 BasicArrowButton deselect_arrow = new BasicArrowButton(SwingConstants.EAST);
 308                 deselect_arrow.setActionCommand("deselect");
 309                 deselect_arrow.addActionListener(this);
 310                 c.fill = GridBagConstraints.NONE;
 311                 c.anchor = GridBagConstraints.NORTH;
 312                 c.gridx = 1;
 313                 c.gridy = 2;
 314                 c.gridheight = 1;
 315                 c.gridwidth = 1;
 316                 c.weightx = 0;
 317                 c.weighty = 0;
 318                 pane.add(deselect_arrow, c);
 319
 320                 JButton cancel_button = new JButton("Cancel");
 321                 cancel_button.setActionCommand("cancel");
 322                 cancel_button.addActionListener(this);
 323                 c.fill = GridBagConstraints.NONE;
 324                 c.anchor = GridBagConstraints.CENTER;
 325                 c.gridx = 0;
 326                 c.gridy = 3;
 327                 c.gridheight = 1;
 328                 c.gridwidth = 1;
 329                 c.weightx = 0;
 330                 c.weighty = 0;
 331                 pane.add(cancel_button, c);
 332
 333                 JButton ok_button = new JButton("OK");
 334                 ok_button.setActionCommand("ok");
 335                 ok_button.addActionListener(this);
 336                 c.fill = GridBagConstraints.NONE;
 337                 c.anchor = GridBagConstraints.CENTER;
 338                 c.gridx = 2;
 339                 c.gridy = 3;
 340                 c.gridheight = 1;
 341                 c.gridwidth = 1;
 342                 c.weightx = 0;
 343                 c.weighty = 0;
 344                 pane.add(ok_button, c);
 345
 346                 getRootPane().setDefaultButton(ok_button);
 347
 348                 pack();
 349                 setLocationRelativeTo(frame);
 350                 setDefaultCloseOperation(JFrame.DO_NOTHING_ON_CLOSE);
 351                 addWindowListener(new WindowAdapter() {
 352                         @Override
 353                         public void windowClosing(WindowEvent e) {
 354                                 bt_thread.interrupt();
 355                                 setVisible(false);
 356                         }
 357                 });
 358         }
 359 }