/* * Copyright © 2010 Keith Packard * * 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.libaltos; import libaltosJNI.altos_device; import libaltosJNI.SWIGTYPE_p_altos_file; import libaltosJNI.SWIGTYPE_p_altos_list; import altosui.AltosDevice; public class AltosDeviceDialog extends JDialog implements ActionListener { private static AltosDeviceDialog dialog; private static altos_device value = null; private JList list; public static altos_device show (Component frameComp, String product) { Frame frame = JOptionPane.getFrameForComponent(frameComp); AltosDevice[] devices; devices = AltosDevice.list(product); if (devices != null & devices.length > 0) { value = null; dialog = new AltosDeviceDialog(frame, frameComp, devices, devices[0]); dialog.setVisible(true); return value; } else { JOptionPane.showMessageDialog(frame, "No AltOS devices available", "No AltOS devices", JOptionPane.ERROR_MESSAGE); return null; } } private AltosDeviceDialog (Frame frame, Component location, AltosDevice[] devices, AltosDevice initial) { super(frame, "Device Selection", true); value = null; JButton cancelButton = new JButton("Cancel"); cancelButton.addActionListener(this); final JButton selectButton = new JButton("Select"); selectButton.setActionCommand("select"); selectButton.addActionListener(this); getRootPane().setDefaultButton(selectButton); 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) { selectButton.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(cancelButton); buttonPane.add(Box.createRigidArea(new Dimension(10, 0))); buttonPane.add(selectButton); //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. list.setSelectedValue(initial, true); pack(); setLocationRelativeTo(location); } //Handle clicks on the Set and Cancel buttons. public void actionPerformed(ActionEvent e) { if ("select".equals(e.getActionCommand())) { System.out.printf("got select action\n"); AltosDeviceDialog.value = (altos_device)(list.getSelectedValue()); } AltosDeviceDialog.dialog.setVisible(false); } }