altosui: Replace device dialog. Center eeprom monitor.
authorKeith Packard <keithp@keithp.com>
Thu, 29 Jul 2010 03:18:36 +0000 (20:18 -0700)
committerKeith Packard <keithp@keithp.com>
Thu, 29 Jul 2010 03:18:36 +0000 (20:18 -0700)
This adds a custom dialog for selecting device, which makes it look
much nicer on the screen and allows the user to double-click on an
entry to select it.

Signed-off-by: Keith Packard <keithp@keithp.com>
ao-tools/altosui/AltosDeviceDialog.java
ao-tools/altosui/AltosEepromMonitor.java

index 08921c3d044d308680106b529b96f2c0b4abad8e..536a8057fdbfbed82331659fbb3682872386d5bb 100644 (file)
@@ -20,26 +20,34 @@ 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 {
+public class AltosDeviceDialog extends JDialog implements ActionListener {
 
-       static altos_device show (JFrame frame, String product) {
+       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) {
-                       Object o = JOptionPane.showInputDialog(frame,
-                                                              "Select a device",
-                                                              "Device Selection",
-                                                              JOptionPane.PLAIN_MESSAGE,
-                                                              null,
-                                                              devices,
-                                                              devices[0]);
-                       return (altos_device) o;
+                       value = null;
+                       dialog = new AltosDeviceDialog(frame, frameComp,
+                                                      devices,
+                                                      devices[0]);
+
+                       dialog.setVisible(true);
+                       return value;
                } else {
                        JOptionPane.showMessageDialog(frame,
                                                      "No AltOS devices available",
@@ -48,4 +56,107 @@ public class AltosDeviceDialog {
                        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);
+       }
+
 }
index 9eb3f0d03abbfc4015eafad6ee71835d79cfd21c..e110a354d11337fc75ffd7a1f302b28f5c57606e 100644 (file)
@@ -55,8 +55,8 @@ public class AltosEepromMonitor extends JDialog {
                super (owner, "Download Flight Data", false);
 
                GridBagConstraints c;
-               Insets il = new Insets(4,0,4,4);
-               Insets ir = new Insets(4,4,4,0);
+               Insets il = new Insets(4,4,4,4);
+               Insets ir = new Insets(4,4,4,4);
 
                pane = getContentPane();
                pane.setLayout(new GridBagLayout());
@@ -126,7 +126,7 @@ public class AltosEepromMonitor extends JDialog {
                c.anchor = GridBagConstraints.CENTER;
                c.gridx = 0; c.gridy = 3;
                c.gridwidth = GridBagConstraints.REMAINDER;
-               Insets ib = new Insets(4,0,4,0);
+               Insets ib = new Insets(4,4,4,4);
                c.insets = ib;
                pane.add(pbar, c);
 
@@ -142,6 +142,7 @@ public class AltosEepromMonitor extends JDialog {
                pane.add(cancel, c);
 
                pack();
+               setLocationRelativeTo(owner);
                setVisible(true);
        }