git.gag.com Git - fw/altos/blob - altosuilib/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 org.altusmetrum.altosuilib_2;
  19
  20 import java.awt.*;
  21 import java.awt.event.*;
  22 import javax.swing.*;
  23 import javax.swing.plaf.basic.*;
  24 import java.util.*;
  25 import java.util.concurrent.*;
  26 import org.altusmetrum.altoslib_4.*;
  27
  28 public class AltosBTManage extends AltosUIDialog implements ActionListener, Iterable<AltosBTDevice> {
  29         LinkedBlockingQueue<AltosBTDevice> found_devices;
  30         Frame frame;
  31         LinkedList<ActionListener> listeners;
  32         AltosBTKnown    bt_known;
  33
  34         class DeviceList extends JList<AltosBTDevice> implements Iterable<AltosBTDevice> {
  35                 LinkedList<AltosBTDevice>       devices;
  36                 DefaultListModel<AltosBTDevice> list_model;
  37
  38                 public void add (AltosBTDevice device) {
  39                         if (!devices.contains(device)) {
  40                                 devices.add(device);
  41                                 list_model.addElement(device);
  42                         }
  43                 }
  44
  45                 public void remove (AltosBTDevice device) {
  46                         if (devices.contains(device)) {
  47                                 devices.remove(device);
  48                                 list_model.removeElement(device);
  49                         }
  50                 }
  51
  52                 public boolean contains(AltosBTDevice device) {
  53                         return devices.contains(device);
  54                 }
  55
  56                 //Subclass JList to workaround bug 4832765, which can cause the
  57                 //scroll pane to not let the user easily scroll up to the beginning
  58                 //of the list.  An alternative would be to set the unitIncrement
  59                 //of the JScrollBar to a fixed value. You wouldn't get the nice
  60                 //aligned scrolling, but it should work.
  61                 public int getScrollableUnitIncrement(Rectangle visibleRect,
  62                                                       int orientation,
  63                                                       int direction) {
  64                         int row;
  65                         if (orientation == SwingConstants.VERTICAL &&
  66                             direction < 0 && (row = getFirstVisibleIndex()) != -1) {
  67                                 Rectangle r = getCellBounds(row, row);
  68                                 if ((r.y == visibleRect.y) && (row != 0))  {
  69                                         Point loc = r.getLocation();
  70                                         loc.y--;
  71                                         int prevIndex = locationToIndex(loc);
  72                                         Rectangle prevR = getCellBounds(prevIndex, prevIndex);
  73
  74                                         if (prevR == null || prevR.y >= r.y) {
  75                                                 return 0;
  76                                         }
  77                                         return prevR.height;
  78                                 }
  79                         }
  80                         return super.getScrollableUnitIncrement(
  81                                 visibleRect, orientation, direction);
  82                 }
  83
  84                 public Iterator<AltosBTDevice> iterator() {
  85                         return devices.iterator();
  86                 }
  87
  88                 public java.util.List<AltosBTDevice> selected_list() throws InterruptedException {
  89                         return getSelectedValuesList();
  90                 }
  91
  92                 public DeviceList() {
  93                         devices = new LinkedList<AltosBTDevice>();
  94                         list_model = new DefaultListModel<AltosBTDevice>();
  95                         setModel(list_model);
  96                         setSelectionMode(ListSelectionModel.MULTIPLE_INTERVAL_SELECTION);
  97                         setLayoutOrientation(JList.HORIZONTAL_WRAP);
  98                         setVisibleRowCount(-1);
  99                 }
 100         }
 101
 102         DeviceList      visible_devices;
 103
 104         DeviceList      known_devices;
 105         Thread          bt_thread;
 106
 107         public Iterator<AltosBTDevice> iterator() {
 108                 return known_devices.iterator();
 109         }
 110
 111         public void commit() {
 112                 bt_known.set(this);
 113         }
 114
 115         public void add_known() {
 116                 try {
 117                         for (AltosBTDevice device : visible_devices.selected_list()) {
 118                                 known_devices.add(device);
 119                                 visible_devices.remove(device);
 120                         }
 121                 } catch (InterruptedException ie) {
 122                 }
 123         }
 124
 125         public void remove_known() {
 126                 try {
 127                         for (AltosBTDevice device : known_devices.selected_list()) {
 128                                 known_devices.remove(device);
 129                                 visible_devices.add(device);
 130                         }
 131                 } catch (InterruptedException ie) {
 132                 }
 133         }
 134
 135         public void addActionListener(ActionListener l) {
 136                 listeners.add(l);
 137         }
 138
 139         private void forwardAction(ActionEvent e) {
 140                 for (ActionListener l : listeners)
 141                         l.actionPerformed(e);
 142         }
 143
 144         public void actionPerformed(ActionEvent e) {
 145                 String  command = e.getActionCommand();
 146                 if ("ok".equals(command)) {
 147                         bt_thread.interrupt();
 148                         commit();
 149                         setVisible(false);
 150                         forwardAction(e);
 151                 } else if ("cancel".equals(command)) {
 152                         bt_thread.interrupt();
 153                         setVisible(false);
 154                         forwardAction(e);
 155                 } else if ("select".equals(command)) {
 156                         add_known();
 157                 } else if ("deselect".equals(command)) {
 158                         remove_known();
 159                 }
 160         }
 161
 162         public void got_visible_device() {
 163                 while (!found_devices.isEmpty()) {
 164                         AltosBTDevice   device = found_devices.remove();
 165                         if (!known_devices.contains(device))
 166                                 visible_devices.add(device);
 167                 }
 168         }
 169
 170         class BTGetVisibleDevices implements Runnable {
 171                 public void run () {
 172                         for (;;)
 173                                 for (int time = 1; time <= 8; time <<= 1) {
 174                                         AltosBTDeviceIterator   i = new AltosBTDeviceIterator(time);
 175                                         AltosBTDevice           device;
 176
 177                                         if (Thread.interrupted())
 178                                                 return;
 179                                         try {
 180                                                 while ((device = i.next()) != null) {
 181                                                         Runnable r;
 182
 183                                                         if (Thread.interrupted())
 184                                                                 return;
 185                                                         found_devices.add(device);
 186                                                         r = new Runnable() {
 187                                                                         public void run() {
 188                                                                                 got_visible_device();
 189                                                                         }
 190                                                                 };
 191                                                         SwingUtilities.invokeLater(r);
 192                                                 }
 193                                         } catch (Exception e) {
 194                                                 System.out.printf("uh-oh, exception %s\n", e.toString());
 195                                         }
 196                                 }
 197                 }
 198         }
 199
 200         public static void show(Component frameComp, AltosBTKnown known) {
 201                 Frame   frame = JOptionPane.getFrameForComponent(frameComp);
 202                 AltosBTManage   dialog;
 203
 204                 dialog = new AltosBTManage(frame, known);
 205                 dialog.setVisible(true);
 206         }
 207
 208         public AltosBTManage(Frame in_frame, AltosBTKnown in_known) {
 209                 super(in_frame, "Manage Bluetooth Devices", true);
 210
 211                 frame = in_frame;
 212                 bt_known = in_known;
 213                 BTGetVisibleDevices     get_visible_devices = new BTGetVisibleDevices();
 214                 bt_thread = new Thread(get_visible_devices);
 215                 bt_thread.start();
 216
 217                 listeners = new LinkedList<ActionListener>();
 218
 219                 found_devices = new LinkedBlockingQueue<AltosBTDevice>();
 220
 221                 Container pane = getContentPane();
 222                 pane.setLayout(new GridBagLayout());
 223
 224                 GridBagConstraints c = new GridBagConstraints();
 225                 c.insets = new Insets(4,4,4,4);
 226
 227                 /*
 228                  * Known devices label and list
 229                  */
 230                 c.fill = GridBagConstraints.NONE;
 231                 c.anchor = GridBagConstraints.WEST;
 232                 c.gridx = 0;
 233                 c.gridy = 0;
 234                 c.gridwidth = 1;
 235                 c.gridheight = 1;
 236                 c.weightx = 0;
 237                 c.weighty = 0;
 238                 pane.add(new JLabel("Known Devices"), c);
 239
 240                 known_devices = new DeviceList();
 241                 for (AltosBTDevice device : bt_known)
 242                         known_devices.add(device);
 243
 244                 JScrollPane known_list_scroller = new JScrollPane(known_devices);
 245                 known_list_scroller.setPreferredSize(new Dimension(400, 80));
 246                 known_list_scroller.setAlignmentX(LEFT_ALIGNMENT);
 247                 c.fill = GridBagConstraints.BOTH;
 248                 c.anchor = GridBagConstraints.WEST;
 249                 c.gridx = 0;
 250                 c.gridy = 1;
 251                 c.gridwidth = 1;
 252                 c.gridheight = 2;
 253                 c.weightx = 1;
 254                 c.weighty = 1;
 255                 pane.add(known_list_scroller, c);
 256
 257                 /*
 258                  * Visible devices label and list
 259                  */
 260                 c.fill = GridBagConstraints.NONE;
 261                 c.anchor = GridBagConstraints.WEST;
 262                 c.gridx = 2;
 263                 c.gridy = 0;
 264                 c.gridwidth = 1;
 265                 c.gridheight = 1;
 266                 c.weightx = 0;
 267                 c.weighty = 0;
 268
 269                 pane.add(new JLabel("Visible Devices"), c);
 270
 271                 visible_devices = new DeviceList();
 272                 JScrollPane visible_list_scroller = new JScrollPane(visible_devices);
 273                 visible_list_scroller.setPreferredSize(new Dimension(400, 80));
 274                 visible_list_scroller.setAlignmentX(LEFT_ALIGNMENT);
 275                 c.fill = GridBagConstraints.BOTH;
 276                 c.anchor = GridBagConstraints.WEST;
 277                 c.gridx = 2;
 278                 c.gridy = 1;
 279                 c.gridheight = 2;
 280                 c.gridwidth = 1;
 281                 c.weightx = 1;
 282                 c.weighty = 1;
 283                 pane.add(visible_list_scroller, c);
 284
 285                 /*
 286                  * Arrows between the two lists
 287                  */
 288                 BasicArrowButton select_arrow = new BasicArrowButton(SwingConstants.WEST);
 289                 select_arrow.setActionCommand("select");
 290                 select_arrow.addActionListener(this);
 291                 c.fill = GridBagConstraints.NONE;
 292                 c.anchor = GridBagConstraints.SOUTH;
 293                 c.gridx = 1;
 294                 c.gridy = 1;
 295                 c.gridheight = 1;
 296                 c.gridwidth = 1;
 297                 c.weightx = 0;
 298                 c.weighty = 0;
 299                 pane.add(select_arrow, c);
 300
 301                 BasicArrowButton deselect_arrow = new BasicArrowButton(SwingConstants.EAST);
 302                 deselect_arrow.setActionCommand("deselect");
 303                 deselect_arrow.addActionListener(this);
 304                 c.fill = GridBagConstraints.NONE;
 305                 c.anchor = GridBagConstraints.NORTH;
 306                 c.gridx = 1;
 307                 c.gridy = 2;
 308                 c.gridheight = 1;
 309                 c.gridwidth = 1;
 310                 c.weightx = 0;
 311                 c.weighty = 0;
 312                 pane.add(deselect_arrow, c);
 313
 314                 JButton cancel_button = new JButton("Cancel");
 315                 cancel_button.setActionCommand("cancel");
 316                 cancel_button.addActionListener(this);
 317                 c.fill = GridBagConstraints.NONE;
 318                 c.anchor = GridBagConstraints.CENTER;
 319                 c.gridx = 0;
 320                 c.gridy = 3;
 321                 c.gridheight = 1;
 322                 c.gridwidth = 1;
 323                 c.weightx = 0;
 324                 c.weighty = 0;
 325                 pane.add(cancel_button, c);
 326
 327                 JButton ok_button = new JButton("OK");
 328                 ok_button.setActionCommand("ok");
 329                 ok_button.addActionListener(this);
 330                 c.fill = GridBagConstraints.NONE;
 331                 c.anchor = GridBagConstraints.CENTER;
 332                 c.gridx = 2;
 333                 c.gridy = 3;
 334                 c.gridheight = 1;
 335                 c.gridwidth = 1;
 336                 c.weightx = 0;
 337                 c.weighty = 0;
 338                 pane.add(ok_button, c);
 339
 340                 getRootPane().setDefaultButton(ok_button);
 341
 342                 pack();
 343                 setLocationRelativeTo(frame);
 344                 setDefaultCloseOperation(JFrame.DO_NOTHING_ON_CLOSE);
 345                 addWindowListener(new WindowAdapter() {
 346                         @Override
 347                         public void windowClosing(WindowEvent e) {
 348                                 bt_thread.interrupt();
 349                                 setVisible(false);
 350                         }
 351                 });
 352         }
 353 }