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/*
* Copyright © 2010 Keith Packard <keithp@keithp.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
package altosui;
import java.lang.*;
import java.util.*;
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import libaltosJNI.*;
public class AltosDeviceDialog extends AltosDialog implements ActionListener {
private AltosDevice value;
private JList list;
private JButton cancel_button;
private JButton select_button;
private JButton manage_bluetooth_button;
private Frame frame;
private int product;
private AltosDevice getValue() {
return value;
}
private AltosDevice[] devices() {
java.util.List<AltosDevice> usb_devices = AltosUSBDevice.list(product);
int num_devices = usb_devices.size();
java.util.List<AltosDevice> bt_devices = Altos.bt_known.list(product);
num_devices += bt_devices.size();
AltosDevice[] devices = new AltosDevice[num_devices];
for (int i = 0; i < usb_devices.size(); i++)
devices[i] = usb_devices.get(i);
int off = usb_devices.size();
for (int j = 0; j < bt_devices.size(); j++)
devices[off + j] = bt_devices.get(j);
return devices;
}
private void update_devices() {
AltosDevice[] devices = devices();
list.setListData(devices);
select_button.setEnabled(devices.length > 0);
}
private AltosDeviceDialog (Frame in_frame, Component location, int in_product) {
super(in_frame, "Device Selection", true);
product = in_product;
frame = in_frame;
value = null;
AltosDevice[] devices = devices();
cancel_button = new JButton("Cancel");
cancel_button.setActionCommand("cancel");
cancel_button.addActionListener(this);
manage_bluetooth_button = new JButton("Manage Bluetooth");
manage_bluetooth_button.setActionCommand("manage");
manage_bluetooth_button.addActionListener(this);
select_button = new JButton("Select");
select_button.setActionCommand("select");
select_button.addActionListener(this);
if (devices.length == 0)
select_button.setEnabled(false);
getRootPane().setDefaultButton(select_button);
list = new JList(devices) {
//Subclass JList to workaround bug 4832765, which can cause the
//scroll pane to not let the user easily scroll up to the beginning
//of the list. An alternative would be to set the unitIncrement
//of the JScrollBar to a fixed value. You wouldn't get the nice
//aligned scrolling, but it should work.
public int getScrollableUnitIncrement(Rectangle visibleRect,
int orientation,
int direction) {
int row;
if (orientation == SwingConstants.VERTICAL &&
direction < 0 && (row = getFirstVisibleIndex()) != -1) {
Rectangle r = getCellBounds(row, row);
if ((r.y == visibleRect.y) && (row != 0)) {
Point loc = r.getLocation();
loc.y--;
int prevIndex = locationToIndex(loc);
Rectangle prevR = getCellBounds(prevIndex, prevIndex);
if (prevR == null || prevR.y >= r.y) {
return 0;
}
return prevR.height;
}
}
return super.getScrollableUnitIncrement(
visibleRect, orientation, direction);
}
};
list.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
list.setLayoutOrientation(JList.HORIZONTAL_WRAP);
list.setVisibleRowCount(-1);
list.addMouseListener(new MouseAdapter() {
public void mouseClicked(MouseEvent e) {
if (e.getClickCount() == 2) {
select_button.doClick(); //emulate button click
}
}
});
JScrollPane listScroller = new JScrollPane(list);
listScroller.setPreferredSize(new Dimension(400, 80));
listScroller.setAlignmentX(LEFT_ALIGNMENT);
//Create a container so that we can add a title around
//the scroll pane. Can't add a title directly to the
//scroll pane because its background would be white.
//Lay out the label and scroll pane from top to bottom.
JPanel listPane = new JPanel();
listPane.setLayout(new BoxLayout(listPane, BoxLayout.PAGE_AXIS));
JLabel label = new JLabel("Select Device");
label.setLabelFor(list);
listPane.add(label);
listPane.add(Box.createRigidArea(new Dimension(0,5)));
listPane.add(listScroller);
listPane.setBorder(BorderFactory.createEmptyBorder(10,10,10,10));
//Lay out the buttons from left to right.
JPanel buttonPane = new JPanel();
buttonPane.setLayout(new BoxLayout(buttonPane, BoxLayout.LINE_AXIS));
buttonPane.setBorder(BorderFactory.createEmptyBorder(0, 10, 10, 10));
buttonPane.add(Box.createHorizontalGlue());
buttonPane.add(cancel_button);
buttonPane.add(Box.createRigidArea(new Dimension(10, 0)));
buttonPane.add(manage_bluetooth_button);
buttonPane.add(Box.createRigidArea(new Dimension(10, 0)));
buttonPane.add(select_button);
//Put everything together, using the content pane's BorderLayout.
Container contentPane = getContentPane();
contentPane.add(listPane, BorderLayout.CENTER);
contentPane.add(buttonPane, BorderLayout.PAGE_END);
//Initialize values.
if (devices != null && devices.length != 0)
list.setSelectedValue(devices[0], true);
pack();
setLocationRelativeTo(location);
}
//Handle clicks on the Set and Cancel buttons.
public void actionPerformed(ActionEvent e) {
if ("select".equals(e.getActionCommand()))
value = (AltosDevice)(list.getSelectedValue());
if ("manage".equals(e.getActionCommand())) {
AltosBTManage.show(frame, Altos.bt_known);
update_devices();
return;
}
setVisible(false);
}
public static AltosDevice show (Component frameComp, int product) {
Frame frame = JOptionPane.getFrameForComponent(frameComp);
AltosDeviceDialog dialog;
dialog = new AltosDeviceDialog(frame, frameComp, product);
dialog.setVisible(true);
return dialog.getValue();
}
}
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