2 * Copyright © 2010 Keith Packard <keithp@keithp.com>
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.
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.
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.
24 import java.awt.event.*;
25 import libaltosJNI.libaltos;
26 import libaltosJNI.altos_device;
27 import libaltosJNI.SWIGTYPE_p_altos_file;
28 import libaltosJNI.SWIGTYPE_p_altos_list;
29 import altosui.AltosDevice;
31 public class AltosDeviceDialog extends JDialog implements ActionListener {
33 private static AltosDeviceDialog dialog;
34 private static AltosDevice value = null;
37 public static AltosDevice show (Component frameComp, int product) {
39 Frame frame = JOptionPane.getFrameForComponent(frameComp);
40 AltosDevice[] devices;
41 devices = AltosDevice.list(product);
43 if (devices != null && devices.length > 0) {
45 dialog = new AltosDeviceDialog(frame, frameComp,
49 dialog.setVisible(true);
52 /* check for missing altos JNI library, which
53 * will put up its own error dialog
55 if (AltosUI.load_library(frame)) {
56 JOptionPane.showMessageDialog(frame,
57 "No AltOS devices available",
59 JOptionPane.ERROR_MESSAGE);
65 private AltosDeviceDialog (Frame frame, Component location,
66 AltosDevice[] devices,
67 AltosDevice initial) {
68 super(frame, "Device Selection", true);
72 JButton cancelButton = new JButton("Cancel");
73 cancelButton.addActionListener(this);
75 final JButton selectButton = new JButton("Select");
76 selectButton.setActionCommand("select");
77 selectButton.addActionListener(this);
78 getRootPane().setDefaultButton(selectButton);
80 list = new JList(devices) {
81 //Subclass JList to workaround bug 4832765, which can cause the
82 //scroll pane to not let the user easily scroll up to the beginning
83 //of the list. An alternative would be to set the unitIncrement
84 //of the JScrollBar to a fixed value. You wouldn't get the nice
85 //aligned scrolling, but it should work.
86 public int getScrollableUnitIncrement(Rectangle visibleRect,
90 if (orientation == SwingConstants.VERTICAL &&
91 direction < 0 && (row = getFirstVisibleIndex()) != -1) {
92 Rectangle r = getCellBounds(row, row);
93 if ((r.y == visibleRect.y) && (row != 0)) {
94 Point loc = r.getLocation();
96 int prevIndex = locationToIndex(loc);
97 Rectangle prevR = getCellBounds(prevIndex, prevIndex);
99 if (prevR == null || prevR.y >= r.y) {
105 return super.getScrollableUnitIncrement(
106 visibleRect, orientation, direction);
110 list.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
111 list.setLayoutOrientation(JList.HORIZONTAL_WRAP);
112 list.setVisibleRowCount(-1);
113 list.addMouseListener(new MouseAdapter() {
114 public void mouseClicked(MouseEvent e) {
115 if (e.getClickCount() == 2) {
116 selectButton.doClick(); //emulate button click
120 JScrollPane listScroller = new JScrollPane(list);
121 listScroller.setPreferredSize(new Dimension(400, 80));
122 listScroller.setAlignmentX(LEFT_ALIGNMENT);
124 //Create a container so that we can add a title around
125 //the scroll pane. Can't add a title directly to the
126 //scroll pane because its background would be white.
127 //Lay out the label and scroll pane from top to bottom.
128 JPanel listPane = new JPanel();
129 listPane.setLayout(new BoxLayout(listPane, BoxLayout.PAGE_AXIS));
131 JLabel label = new JLabel("Select Device");
132 label.setLabelFor(list);
134 listPane.add(Box.createRigidArea(new Dimension(0,5)));
135 listPane.add(listScroller);
136 listPane.setBorder(BorderFactory.createEmptyBorder(10,10,10,10));
138 //Lay out the buttons from left to right.
139 JPanel buttonPane = new JPanel();
140 buttonPane.setLayout(new BoxLayout(buttonPane, BoxLayout.LINE_AXIS));
141 buttonPane.setBorder(BorderFactory.createEmptyBorder(0, 10, 10, 10));
142 buttonPane.add(Box.createHorizontalGlue());
143 buttonPane.add(cancelButton);
144 buttonPane.add(Box.createRigidArea(new Dimension(10, 0)));
145 buttonPane.add(selectButton);
147 //Put everything together, using the content pane's BorderLayout.
148 Container contentPane = getContentPane();
149 contentPane.add(listPane, BorderLayout.CENTER);
150 contentPane.add(buttonPane, BorderLayout.PAGE_END);
153 list.setSelectedValue(initial, true);
155 setLocationRelativeTo(location);
158 //Handle clicks on the Set and Cancel buttons.
159 public void actionPerformed(ActionEvent e) {
160 if ("select".equals(e.getActionCommand()))
161 AltosDeviceDialog.value = (AltosDevice)(list.getSelectedValue());
162 AltosDeviceDialog.dialog.setVisible(false);