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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; either version 2 of the License, or
* (at your option) any later version.
*
* 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 org.altusmetrum.altosuilib_13;
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
public abstract class AltosDeviceDialog extends AltosUIDialog implements ActionListener {
private AltosDevice value;
private JList<AltosDevice> list;
private JButton cancel_button;
private JButton select_button;
public Frame frame;
public int product;
public JPanel buttonPane;
private Timer timer;
AltosDevice[] devices;
public AltosDevice getValue() {
return value;
}
public abstract AltosDevice[] devices();
public void update_devices() {
AltosDevice selected = list.getSelectedValue();
devices = devices();
list.setListData(devices);
for (AltosDevice d : devices) {
if (d.equals(selected)) {
list.setSelectedValue(d, true);
break;
}
}
select_button.setEnabled(devices.length > 0);
}
public void add_bluetooth() { }
public AltosDeviceDialog (Frame in_frame, Component location, int in_product) {
super(in_frame, "Device Selection", true);
product = in_product;
frame = in_frame;
value = null;
cancel_button = new JButton("Cancel");
cancel_button.setActionCommand("cancel");
cancel_button.addActionListener(this);
select_button = new JButton("Select");
select_button.setActionCommand("select");
select_button.addActionListener(this);
select_button.setEnabled(false);
getRootPane().setDefaultButton(select_button);
list = new JList<AltosDevice>(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.
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)));
if (AltosUILib.has_bluetooth)
add_bluetooth();
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.
update_devices();
if (devices != null && devices.length != 0)
list.setSelectedValue(devices[0], true);
pack();
setLocationRelativeTo(location);
timer = new Timer(1000, new ActionListener () {
public void actionPerformed(ActionEvent evt) {
update_devices();
}
});
addComponentListener(new ComponentListener() {
public void componentShown(ComponentEvent e) {
timer.start();
}
public void componentMoved(ComponentEvent e) {
}
public void componentResized(ComponentEvent e) {
}
public void componentHidden(ComponentEvent e) {
timer.stop();
}
});
}
//Handle clicks on the Set and Cancel buttons.
public void actionPerformed(ActionEvent e) {
if ("select".equals(e.getActionCommand())) {
value = (AltosDevice)(list.getSelectedValue());
setVisible(false);
}
if ("cancel".equals(e.getActionCommand()))
setVisible(false);
}
}
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