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