git.gag.com Git - fw/altos/blob - altosui/AltosDeviceDialog.java

   1 /*
   2  * Copyright © 2010 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.lang.*;
  21 import java.util.*;
  22 import javax.swing.*;
  23 import java.awt.*;
  24 import java.awt.event.*;
  25 import libaltosJNI.*;
  26
  27 public class AltosDeviceDialog extends JDialog implements ActionListener {
  28
  29         public static AltosDevice show (Component frameComp, int product) {
  30
  31                 Frame frame = JOptionPane.getFrameForComponent(frameComp);
  32                 AltosDevice[]   devices;
  33                 devices = AltosUSBDevice.list(product);
  34                 AltosDeviceDialog       dialog;
  35
  36                 dialog = new AltosDeviceDialog(frame, frameComp,
  37                                                devices);
  38                 dialog.setVisible(true);
  39                 return dialog.getValue();
  40         }
  41
  42         private AltosDevice     value;
  43         private JList           list;
  44         private JButton         cancel_button;
  45         private JButton         select_button;
  46         private JButton         manage_bluetooth_button;
  47         private Frame           frame;
  48
  49         private AltosDevice getValue() {
  50                 return value;
  51         }
  52
  53         private AltosDeviceDialog (Frame in_frame, Component location,
  54                                    AltosDevice[] devices) {
  55                 super(in_frame, "Device Selection", true);
  56
  57                 frame = in_frame;
  58                 value = null;
  59
  60                 cancel_button = new JButton("Cancel");
  61                 cancel_button.setActionCommand("cancel");
  62                 cancel_button.addActionListener(this);
  63
  64                 manage_bluetooth_button = new JButton("Manage Bluetooth");
  65                 manage_bluetooth_button.setActionCommand("manage");
  66                 manage_bluetooth_button.addActionListener(this);
  67
  68                 select_button = new JButton("Select");
  69                 select_button.setActionCommand("select");
  70                 select_button.addActionListener(this);
  71                 if (devices.length == 0)
  72                         select_button.setEnabled(false);
  73                 getRootPane().setDefaultButton(select_button);
  74
  75                 list = new JList(devices) {
  76                                 //Subclass JList to workaround bug 4832765, which can cause the
  77                                 //scroll pane to not let the user easily scroll up to the beginning
  78                                 //of the list.  An alternative would be to set the unitIncrement
  79                                 //of the JScrollBar to a fixed value. You wouldn't get the nice
  80                                 //aligned scrolling, but it should work.
  81                                 public int getScrollableUnitIncrement(Rectangle visibleRect,
  82                                                                       int orientation,
  83                                                                       int direction) {
  84                                         int row;
  85                                         if (orientation == SwingConstants.VERTICAL &&
  86                                             direction < 0 && (row = getFirstVisibleIndex()) != -1) {
  87                                                 Rectangle r = getCellBounds(row, row);
  88                                                 if ((r.y == visibleRect.y) && (row != 0))  {
  89                                                         Point loc = r.getLocation();
  90                                                         loc.y--;
  91                                                         int prevIndex = locationToIndex(loc);
  92                                                         Rectangle prevR = getCellBounds(prevIndex, prevIndex);
  93
  94                                                         if (prevR == null || prevR.y >= r.y) {
  95                                                                 return 0;
  96                                                         }
  97                                                         return prevR.height;
  98                                                 }
  99                                         }
 100                                         return super.getScrollableUnitIncrement(
 101                                                 visibleRect, orientation, direction);
 102                                 }
 103                         };
 104
 105                 list.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
 106                 list.setLayoutOrientation(JList.HORIZONTAL_WRAP);
 107                 list.setVisibleRowCount(-1);
 108                 list.addMouseListener(new MouseAdapter() {
 109                                  public void mouseClicked(MouseEvent e) {
 110                                          if (e.getClickCount() == 2) {
 111                                                  select_button.doClick(); //emulate button click
 112                                          }
 113                                  }
 114                         });
 115                 JScrollPane listScroller = new JScrollPane(list);
 116                 listScroller.setPreferredSize(new Dimension(400, 80));
 117                 listScroller.setAlignmentX(LEFT_ALIGNMENT);
 118
 119                 //Create a container so that we can add a title around
 120                 //the scroll pane.  Can't add a title directly to the
 121                 //scroll pane because its background would be white.
 122                 //Lay out the label and scroll pane from top to bottom.
 123                 JPanel listPane = new JPanel();
 124                 listPane.setLayout(new BoxLayout(listPane, BoxLayout.PAGE_AXIS));
 125
 126                 JLabel label = new JLabel("Select Device");
 127                 label.setLabelFor(list);
 128                 listPane.add(label);
 129                 listPane.add(Box.createRigidArea(new Dimension(0,5)));
 130                 listPane.add(listScroller);
 131                 listPane.setBorder(BorderFactory.createEmptyBorder(10,10,10,10));
 132
 133                 //Lay out the buttons from left to right.
 134                 JPanel buttonPane = new JPanel();
 135                 buttonPane.setLayout(new BoxLayout(buttonPane, BoxLayout.LINE_AXIS));
 136                 buttonPane.setBorder(BorderFactory.createEmptyBorder(0, 10, 10, 10));
 137                 buttonPane.add(Box.createHorizontalGlue());
 138                 buttonPane.add(cancel_button);
 139                 buttonPane.add(Box.createRigidArea(new Dimension(10, 0)));
 140                 buttonPane.add(manage_bluetooth_button);
 141                 buttonPane.add(Box.createRigidArea(new Dimension(10, 0)));
 142                 buttonPane.add(select_button);
 143
 144                 //Put everything together, using the content pane's BorderLayout.
 145                 Container contentPane = getContentPane();
 146                 contentPane.add(listPane, BorderLayout.CENTER);
 147                 contentPane.add(buttonPane, BorderLayout.PAGE_END);
 148
 149                 //Initialize values.
 150                 if (devices != null && devices.length > 0)
 151                         list.setSelectedValue(devices[0], true);
 152                 pack();
 153                 setLocationRelativeTo(location);
 154         }
 155
 156         //Handle clicks on the Set and Cancel buttons.
 157         public void actionPerformed(ActionEvent e) {
 158                 if ("select".equals(e.getActionCommand()))
 159                         value = (AltosDevice)(list.getSelectedValue());
 160                 if ("manage".equals(e.getActionCommand())) {
 161                         AltosBTManage.show(frame);
 162                         return;
 163                 }
 164                 setVisible(false);
 165         }
 166
 167 }