--- a/src/share/classes/com/sun/java/swing/plaf/windows/WindowsTableHeaderUI.java	Tue May 25 20:39:52 2010 +0400
+++ b/src/share/classes/com/sun/java/swing/plaf/windows/WindowsTableHeaderUI.java	Tue May 25 20:54:59 2010 +0400
@@ -35,6 +35,7 @@
 import static com.sun.java.swing.plaf.windows.TMSchema.*;
 import static com.sun.java.swing.plaf.windows.XPStyle.*;
 import sun.swing.table.*;
+import sun.swing.SwingUtilities2;
 
 
 public class WindowsTableHeaderUI extends BasicTableHeaderUI {
@@ -163,18 +164,13 @@
             return this;
         }
 
-        private int viewIndexForColumn(TableColumn aColumn) {
-            if (aColumn != null) {
-                return header.getTable().convertColumnIndexToView(
-                        aColumn.getModelIndex());
-            }
-            return -1;
-        }
-
         public void paint(Graphics g) {
             Dimension size = getSize();
             State state = State.NORMAL;
-            if (column == viewIndexForColumn(header.getDraggedColumn())) {
+            TableColumn draggedColumn = header.getDraggedColumn();
+            if (draggedColumn != null &&
+                    column == SwingUtilities2.convertColumnIndexToView(
+                            header.getColumnModel(), draggedColumn.getModelIndex())) {
                 state = State.PRESSED;
             } else if (isSelected || hasFocus || hasRollover) {
                 state = State.HOT;

--- a/src/share/classes/javax/swing/JTable.java	Tue May 25 20:39:52 2010 +0400
+++ b/src/share/classes/javax/swing/JTable.java	Tue May 25 20:54:59 2010 +0400
@@ -2583,10 +2583,8 @@
      * @see #convertColumnIndexToView
      */
     public int convertColumnIndexToModel(int viewColumnIndex) {
-        if (viewColumnIndex < 0) {
-            return viewColumnIndex;
-        }
-        return getColumnModel().getColumn(viewColumnIndex).getModelIndex();
+        return SwingUtilities2.convertColumnIndexToModel(
+                getColumnModel(), viewColumnIndex);
     }
 
     /**
@@ -2603,16 +2601,8 @@
      * @see #convertColumnIndexToModel
      */
     public int convertColumnIndexToView(int modelColumnIndex) {
-        if (modelColumnIndex < 0) {
-            return modelColumnIndex;
-        }
-        TableColumnModel cm = getColumnModel();
-        for (int column = 0; column < getColumnCount(); column++) {
-            if (cm.getColumn(column).getModelIndex() == modelColumnIndex) {
-                return column;
-            }
-        }
-        return -1;
+        return SwingUtilities2.convertColumnIndexToView(
+                getColumnModel(), modelColumnIndex);
     }
 
     /**

--- a/src/share/classes/javax/swing/plaf/basic/BasicTableHeaderUI.java	Tue May 25 20:39:52 2010 +0400
+++ b/src/share/classes/javax/swing/plaf/basic/BasicTableHeaderUI.java	Tue May 25 20:54:59 2010 +0400
@@ -98,15 +98,18 @@
         private Cursor otherCursor = resizeCursor;
 
         public void mouseClicked(MouseEvent e) {
+            if (SwingUtilities2.shouldIgnore(e, header)) {
+                return;
+            }
             if (e.getClickCount() % 2 == 1 &&
-                    SwingUtilities.isLeftMouseButton(e)){
+                    SwingUtilities.isLeftMouseButton(e)) {
                 JTable table = header.getTable();
                 RowSorter sorter;
                 if (table != null && (sorter = table.getRowSorter()) != null) {
                     int columnIndex = header.columnAtPoint(e.getPoint());
                     if (columnIndex != -1) {
                         columnIndex = table.convertColumnIndexToModel(
-                                            columnIndex);
+                                columnIndex);
                         sorter.toggleSortOrder(columnIndex);
                     }
                 }
@@ -140,6 +143,9 @@
         }
 
         public void mousePressed(MouseEvent e) {
+            if (SwingUtilities2.shouldIgnore(e, header)) {
+                return;
+            }
             header.setDraggedColumn(null);
             header.setResizingColumn(null);
             header.setDraggedDistance(0);
@@ -182,6 +188,9 @@
         }
 
         public void mouseMoved(MouseEvent e) {
+            if (SwingUtilities2.shouldIgnore(e, header)) {
+                return;
+            }
             if (canResize(getResizingColumn(e.getPoint()), header) !=
                 (header.getCursor() == resizeCursor)) {
                 swapCursor();
@@ -190,6 +199,9 @@
        }
 
         public void mouseDragged(MouseEvent e) {
+            if (SwingUtilities2.shouldIgnore(e, header)) {
+                return;
+            }
             int mouseX = e.getX();
 
             TableColumn resizingColumn  = header.getResizingColumn();
@@ -217,21 +229,23 @@
                 if (0 <= newColumnIndex && newColumnIndex < cm.getColumnCount()) {
                     int width = cm.getColumn(newColumnIndex).getWidth();
                     if (Math.abs(draggedDistance) > (width / 2)) {
-                        JTable table = header.getTable();
 
                         mouseXOffset = mouseXOffset + direction * width;
                         header.setDraggedDistance(draggedDistance - direction * width);
 
                         //Cache the selected column.
-                        int selectedIndex = table.convertColumnIndexToModel(
-                                                        getSelectedColumnIndex());
+                        int selectedIndex =
+                                SwingUtilities2.convertColumnIndexToModel(
+                                        header.getColumnModel(),
+                                        getSelectedColumnIndex());
 
                         //Now do the move.
                         cm.moveColumn(columnIndex, newColumnIndex);
 
                         //Update the selected index.
                         selectColumn(
-                            table.convertColumnIndexToView(selectedIndex),
+                            SwingUtilities2.convertColumnIndexToView(
+                                    header.getColumnModel(), selectedIndex),
                             false);
 
                         return;
@@ -244,6 +258,9 @@
         }
 
         public void mouseReleased(MouseEvent e) {
+            if (SwingUtilities2.shouldIgnore(e, header)) {
+                return;
+            }
             setDraggedDistance(0, viewIndexForColumn(header.getDraggedColumn()));
 
             header.setResizingColumn(null);
@@ -253,10 +270,16 @@
         }
 
         public void mouseEntered(MouseEvent e) {
+            if (SwingUtilities2.shouldIgnore(e, header)) {
+                return;
+            }
             updateRolloverColumn(e);
         }
 
         public void mouseExited(MouseEvent e) {
+            if (SwingUtilities2.shouldIgnore(e, header)) {
+                return;
+            }
             int oldRolloverColumn = rolloverColumn;
             rolloverColumn = -1;
             rolloverColumnUpdated(oldRolloverColumn, rolloverColumn);

--- a/src/share/classes/sun/swing/SwingUtilities2.java	Tue May 25 20:39:52 2010 +0400
+++ b/src/share/classes/sun/swing/SwingUtilities2.java	Tue May 25 20:54:59 2010 +0400
@@ -44,6 +44,8 @@
 import javax.swing.text.DefaultHighlighter;
 import javax.swing.text.DefaultCaret;
 import javax.swing.table.TableCellRenderer;
+import javax.swing.table.TableColumnModel;
+
 import sun.swing.PrintColorUIResource;
 import sun.swing.ImageIconUIResource;
 import sun.print.ProxyPrintGraphics;
@@ -1807,4 +1809,54 @@
                                          boolean three) {
         return liesIn(rect, p, false, false, three);
     }
+
+    /**
+     * Maps the index of the column in the view at
+     * {@code viewColumnIndex} to the index of the column
+     * in the table model.  Returns the index of the corresponding
+     * column in the model.  If {@code viewColumnIndex}
+     * is less than zero, returns {@code viewColumnIndex}.
+     *
+     * @param cm the table model
+     * @param   viewColumnIndex     the index of the column in the view
+     * @return  the index of the corresponding column in the model
+     *
+     * @see JTable#convertColumnIndexToModel(int)
+     * @see javax.swing.plaf.basic.BasicTableHeaderUI
+     */
+    public static int convertColumnIndexToModel(TableColumnModel cm,
+                                                int viewColumnIndex) {
+        if (viewColumnIndex < 0) {
+            return viewColumnIndex;
+        }
+        return cm.getColumn(viewColumnIndex).getModelIndex();
+    }
+
+    /**
+     * Maps the index of the column in the {@code cm} at
+     * {@code modelColumnIndex} to the index of the column
+     * in the view.  Returns the index of the
+     * corresponding column in the view; returns {@code -1} if this column
+     * is not being displayed. If {@code modelColumnIndex} is less than zero,
+     * returns {@code modelColumnIndex}.
+     *
+     * @param cm the table model
+     * @param modelColumnIndex the index of the column in the model
+     * @return the index of the corresponding column in the view
+     *
+     * @see JTable#convertColumnIndexToView(int)
+     * @see javax.swing.plaf.basic.BasicTableHeaderUI
+     */
+    public static int convertColumnIndexToView(TableColumnModel cm,
+                                        int modelColumnIndex) {
+        if (modelColumnIndex < 0) {
+            return modelColumnIndex;
+        }
+        for (int column = 0; column < cm.getColumnCount(); column++) {
+            if (cm.getColumn(column).getModelIndex() == modelColumnIndex) {
+                return column;
+            }
+        }
+        return -1;
+    }
 }

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/javax/swing/JTableHeader/6884066/bug6884066.java	Tue May 25 20:54:59 2010 +0400
@@ -0,0 +1,89 @@
+/*
+ * Copyright 2010 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+/* @test
+   @bug 6884066
+   @summary JTableHeader listens mouse in disabled state and doesn't work when not attached to a table
+   @author Alexander Potochkin
+   @run main bug6884066
+*/
+
+import sun.awt.SunToolkit;
+
+import javax.swing.*;
+import javax.swing.table.JTableHeader;
+import javax.swing.table.TableColumnModel;
+import javax.swing.table.TableColumn;
+import java.awt.*;
+import java.awt.event.InputEvent;
+
+import com.sun.java.swing.plaf.windows.WindowsLookAndFeel;
+
+public class bug6884066 {
+    private static JTableHeader header;
+
+    public static void main(String[] args) throws Exception {
+
+        UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
+
+        SunToolkit toolkit = (SunToolkit) Toolkit.getDefaultToolkit();
+        Robot robot = new Robot();
+        robot.setAutoDelay(20);
+        SwingUtilities.invokeAndWait(new Runnable() {
+            public void run() {
+                // just to quickly grab a column model
+                JTable table = new JTable(10, 5);
+                header = new JTableHeader(table.getColumnModel());
+                checkColumn(0, "A");
+                JFrame frame = new JFrame("standalone header");
+                frame.add(header);
+                frame.pack();
+                frame.setVisible(true);
+                frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+            }
+        });
+        toolkit.realSync();
+        Point point = header.getLocationOnScreen();
+        robot.mouseMove(point.x + 3, point.y + 3);
+        robot.mousePress(InputEvent.BUTTON1_MASK);
+        for (int i = 0; i < header.getWidth() - 3; i++) {
+            robot.mouseMove(point.x + i, point.y + 3);
+        }
+        robot.mouseRelease(InputEvent.BUTTON1_MASK);
+        SwingUtilities.invokeAndWait(new Runnable() {
+            public void run() {
+                TableColumnModel model = header.getColumnModel();
+                checkColumn(model.getColumnCount() - 1, "A");
+            }
+        });
+    }
+
+    private static void checkColumn(int index, String str) {
+        TableColumnModel model = header.getColumnModel();
+        Object value = model.getColumn(index).getHeaderValue();
+        if (!str.equals(value)) {
+            throw new RuntimeException("Unexpected header's value; " +
+                    "index = " + index + " value = " + value);
+        }
+    }
+}