7068740: If you wrap a JTable in a JLayer you can't use the page up and page down cmds

Reviewed-by: alexsch, alexp

src/share/classes/javax/swing/plaf/basic/BasicTableUI.java

 /*
- * Copyright (c) 1997, 2007, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -419,7 +419,7 @@ public class BasicTableUI extends TableUI
                     }
                 }
                 else {
-                    if (!(table.getParent().getParent() instanceof
+                    if (!(SwingUtilities.getUnwrappedParent(table).getParent() instanceof
                             JScrollPane)) {
                         return;
                     }
@@ -1431,7 +1431,7 @@ public class BasicTableUI extends TableUI
         }
 
         // install the scrollpane border
-        Container parent = table.getParent();  // should be viewport
+        Container parent = SwingUtilities.getUnwrappedParent(table);  // should be viewport
         if (parent != null) {
             parent = parent.getParent();  // should be the scrollpane
             if (parent != null && parent instanceof JScrollPane) {

test/javax/swing/JTable/7068740/bug7068740.java

+/*
+ * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code 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
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/* @test
+   @bug 7068740
+   @summary JTable wrapped in JLayer can't use PGUP/PGDOWN keys
+   @author Vladislav Karnaukhov
+   @run main bug7068740
+*/
+
+import sun.awt.SunToolkit;
+
+import javax.swing.*;
+import javax.swing.plaf.LayerUI;
+import javax.swing.plaf.metal.MetalLookAndFeel;
+import javax.swing.table.DefaultTableModel;
+import java.awt.*;
+import java.awt.event.KeyEvent;
+import java.lang.reflect.InvocationTargetException;
+
+public class bug7068740 extends JFrame {
+
+    private static Robot robot = null;
+    private static JTable table = null;
+    private static SunToolkit toolkit = null;
+
+    bug7068740() {
+        super();
+        setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
+
+        DefaultTableModel model = new DefaultTableModel() {
+            @Override
+            public int getRowCount() {
+                return 20;
+            }
+
+            @Override
+            public int getColumnCount() {
+                return 2;
+            }
+
+            @Override
+            public Object getValueAt(int row, int column) {
+                return "(" + row + "," + column + ")";
+            }
+        };
+
+        table = new JTable(model);
+        LayerUI<JComponent> layerUI = new LayerUI<>();
+        JLayer<JComponent> layer = new JLayer<>(table, layerUI);
+        JScrollPane scrollPane = new JScrollPane(layer);
+        add(scrollPane);
+        pack();
+        setLocationRelativeTo(null);
+    }
+
+    private static void setUp() {
+        try {
+            if (robot == null) {
+                robot = new Robot();
+                robot.setAutoDelay(20);
+            }
+
+            if (toolkit == null) {
+                toolkit = (SunToolkit) Toolkit.getDefaultToolkit();
+            }
+
+            SwingUtilities.invokeAndWait(new Runnable() {
+                @Override
+                public void run() {
+                    bug7068740 test = new bug7068740();
+                    test.setVisible(true);
+                }
+            });
+        } catch (InterruptedException e) {
+            e.printStackTrace();
+            throw new RuntimeException("Test failed");
+        } catch (InvocationTargetException e) {
+            e.printStackTrace();
+            throw new RuntimeException("Test failed");
+        } catch (AWTException e) {
+            e.printStackTrace();
+            throw new RuntimeException("Test failed");
+        }
+    }
+
+    private static void doTest() {
+        toolkit.realSync();
+        table.setRowSelectionInterval(0, 0);
+
+        robot.keyPress(KeyEvent.VK_PAGE_DOWN);
+        toolkit.realSync();
+        if (table.getSelectedRow() != 19) {
+            throw new RuntimeException("Test failed");
+        }
+
+        robot.keyPress(KeyEvent.VK_PAGE_UP);
+        toolkit.realSync();
+        if (table.getSelectedRow() != 0) {
+            throw new RuntimeException("Test failed");
+        }
+    }
+
+    public static void main(String[] args) {
+        try {
+            UIManager.setLookAndFeel(new MetalLookAndFeel());
+            setUp();
+            doTest();
+        } catch (UnsupportedLookAndFeelException e) {
+            e.printStackTrace();
+            throw new RuntimeException("Test failed");
+        }
+    }
+}