obtained gcc-4.6.4.tar.bz2 from upstream website;upstream

verified gcc-4.6.4.tar.bz2.sig;
imported gcc-4.6.4 source tree from verified upstream tarball.

downloading a git-generated archive based on the 'upstream' tag
should provide you with a source tree that is binary identical
to the one extracted from the above tarball.

if you have obtained the source via the command 'git clone',
however, do note that line-endings of files in your working
directory might differ from line-endings of the respective
files in the upstream repository.

1 files changed, 1055 insertions, 0 deletions

diff --git a/libjava/classpath/javax/swing/table/JTableHeader.java b/libjava/classpath/javax/swing/table/JTableHeader.java
new file mode 100644
index 000000000..4eb91156b
--- /dev/null
+++ b/libjava/classpath/javax/swing/table/JTableHeader.java
@@ -0,0 +1,1055 @@
+/* JTableHeader.java --
+   Copyright (C) 2003, 2004, 2005, 2006,  Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath 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, or (at your option)
+any later version.
+
+GNU Classpath 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 GNU Classpath; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library.  Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module.  An independent module is a module which is not derived from
+or based on this library.  If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so.  If you do not wish to do so, delete this
+exception statement from your version. */
+
+
+package javax.swing.table;
+
+import java.awt.Color;
+import java.awt.Component;
+import java.awt.Cursor;
+import java.awt.Dimension;
+import java.awt.Font;
+import java.awt.FontMetrics;
+import java.awt.Point;
+import java.awt.Rectangle;
+import java.awt.event.FocusListener;
+import java.beans.PropertyChangeListener;
+import java.util.Locale;
+
+import javax.accessibility.Accessible;
+import javax.accessibility.AccessibleAction;
+import javax.accessibility.AccessibleComponent;
+import javax.accessibility.AccessibleContext;
+import javax.accessibility.AccessibleRole;
+import javax.accessibility.AccessibleSelection;
+import javax.accessibility.AccessibleStateSet;
+import javax.accessibility.AccessibleText;
+import javax.accessibility.AccessibleValue;
+import javax.swing.JComponent;
+import javax.swing.JTable;
+import javax.swing.UIManager;
+import javax.swing.event.ChangeEvent;
+import javax.swing.event.ListSelectionEvent;
+import javax.swing.event.TableColumnModelEvent;
+import javax.swing.event.TableColumnModelListener;
+import javax.swing.plaf.TableHeaderUI;
+
+/**
+ * Represents the table header. The header displays the column header values,
+ * is always visible event if the rest of the table scrolls up and down and
+ * supports column reordering and resizing with mouse.
+ */
+public class JTableHeader extends JComponent
+  implements TableColumnModelListener, Accessible
+{
+  protected class AccessibleJTableHeader extends AccessibleJComponent
+  {
+    protected class AccessibleJTableHeaderEntry extends AccessibleContext
+      implements Accessible, AccessibleComponent
+    {
+
+      private int columnIndex;
+
+      private JTableHeader parent;
+
+      private JTable table;
+
+      public AccessibleJTableHeaderEntry(int c, JTableHeader p, JTable t)
+      {
+        columnIndex = c;
+        parent = p;
+        table = t;
+      }
+
+      /**
+       * Returns the column header renderer.
+       *
+       * @return The column header renderer.
+       */
+      Component getColumnHeaderRenderer()
+      {
+        TableColumn tc = parent.getColumnModel().getColumn(columnIndex);
+        TableCellRenderer r = tc.getHeaderRenderer();
+        if (r == null)
+          r = parent.getDefaultRenderer();
+        return r.getTableCellRendererComponent(table, tc.headerValue,
+            false, false, -1, columnIndex);
+      }
+
+      /**
+       * Returns the accessible context for the column header renderer, or
+       * <code>null</code>.
+       *
+       * @return The accessible context.
+       */
+      AccessibleContext getAccessibleColumnHeaderRenderer()
+      {
+        Component c = getColumnHeaderRenderer();
+        if (c instanceof Accessible)
+          return c.getAccessibleContext();
+        return null;
+      }
+
+      /**
+       * @see #removeFocusListener(FocusListener)
+       */
+      public void addFocusListener(FocusListener l)
+      {
+        AccessibleContext ac = getAccessibleColumnHeaderRenderer();
+        AccessibleComponent c = ac.getAccessibleComponent();
+        if (c != null)
+          c.addFocusListener(l);
+      }
+
+      /**
+       * @see #removePropertyChangeListener(PropertyChangeListener)
+       */
+      public void addPropertyChangeListener(PropertyChangeListener l)
+      {
+        // add the listener to the accessible context for the header
+        // renderer...
+        AccessibleContext ac = getAccessibleColumnHeaderRenderer();
+        if (ac != null)
+          ac.addPropertyChangeListener(l);
+      }
+
+      public boolean contains(Point p)
+      {
+        AccessibleContext ac = getAccessibleColumnHeaderRenderer();
+        AccessibleComponent c = ac.getAccessibleComponent();
+        if (c != null)
+          return c.contains(p);
+        else
+          return false;
+      }
+
+      public AccessibleAction getAccessibleAction()
+      {
+        AccessibleContext ac = getAccessibleColumnHeaderRenderer();
+        if (ac instanceof AccessibleAction)
+          return (AccessibleAction) ac;
+        else
+          return null;
+      }
+
+      public Accessible getAccessibleAt(Point p)
+      {
+        AccessibleContext ac = getAccessibleColumnHeaderRenderer();
+        AccessibleComponent c = ac.getAccessibleComponent();
+        if (c != null)
+          return c.getAccessibleAt(p);
+        else
+          return null;
+      }
+
+      /**
+       * Returns <code>null</code> as the header entry has no accessible
+       * children.
+       *
+       * @return <code>null</code>.
+       */
+      public Accessible getAccessibleChild(int i)
+      {
+        return null;
+      }
+
+      /**
+       * Returns the number of accessible children, zero in this case.
+       *
+       * @return 0
+       */
+      public int getAccessibleChildrenCount()
+      {
+        return 0;
+      }
+
+      /**
+       * Returns the accessible component for this header entry.
+       *
+       * @return <code>this</code>.
+       */
+      public AccessibleComponent getAccessibleComponent()
+      {
+        return this;
+      }
+
+      /**
+       * Returns the accessible context for this header entry.
+       *
+       * @return <code>this</code>.
+       */
+      public AccessibleContext getAccessibleContext()
+      {
+        return this;
+      }
+
+      /**
+       * Returns the accessible description.
+       *
+       * @return The accessible description.
+       *
+       * @see #setAccessibleDescription(String)
+       */
+      public String getAccessibleDescription()
+      {
+        AccessibleContext ac = getAccessibleColumnHeaderRenderer();
+        if (ac != null)
+          return ac.getAccessibleDescription();
+        return accessibleDescription;
+      }
+
+      /**
+       * Returns the index of this header entry.
+       *
+       * @return The index of this header entry.
+       */
+      public int getAccessibleIndexInParent()
+      {
+        return columnIndex;
+      }
+
+      /**
+       * Returns the accessible name.
+       *
+       * @return The accessible name.
+       *
+       * @see #setAccessibleName(String)
+       */
+      public String getAccessibleName()
+      {
+        AccessibleContext ac = getAccessibleColumnHeaderRenderer();
+        if (ac != null)
+          return ac.getAccessibleName();
+        return accessibleName;
+      }
+
+      /**
+       * Returns the accessible role for the header entry.
+       *
+       * @return The accessible role.
+       */
+      public AccessibleRole getAccessibleRole()
+      {
+        AccessibleContext ac = getAccessibleColumnHeaderRenderer();
+        if (ac != null)
+          return ac.getAccessibleRole();
+        else
+          return null;
+      }
+
+      public AccessibleSelection getAccessibleSelection()
+      {
+        AccessibleContext ac = getAccessibleColumnHeaderRenderer();
+        if (ac instanceof AccessibleValue)
+          return (AccessibleSelection) ac;
+        else
+          return null;
+      }
+
+      public AccessibleStateSet getAccessibleStateSet()
+      {
+        AccessibleContext ac = getAccessibleColumnHeaderRenderer();
+        if (ac != null)
+          return ac.getAccessibleStateSet();
+        else
+          return null;
+      }
+
+      public AccessibleText getAccessibleText()
+      {
+        AccessibleContext ac = getAccessibleColumnHeaderRenderer();
+        if (ac != null)
+          return ac.getAccessibleText();
+        else
+          return null;
+      }
+
+      public AccessibleValue getAccessibleValue()
+      {
+        AccessibleContext ac = getAccessibleColumnHeaderRenderer();
+        if (ac instanceof AccessibleValue)
+          return (AccessibleValue) ac;
+        else
+          return null;
+      }
+
+      public Color getBackground()
+      {
+        AccessibleContext ac = getAccessibleColumnHeaderRenderer();
+        AccessibleComponent c = ac.getAccessibleComponent();
+        if (c != null)
+          return c.getBackground();
+        else
+          return null;
+      }
+
+      public Rectangle getBounds()
+      {
+        AccessibleContext ac = getAccessibleColumnHeaderRenderer();
+        AccessibleComponent c = ac.getAccessibleComponent();
+        if (c != null)
+          return c.getBounds();
+        else
+          return null;
+      }
+
+      public Cursor getCursor()
+      {
+        AccessibleContext ac = getAccessibleColumnHeaderRenderer();
+        AccessibleComponent c = ac.getAccessibleComponent();
+        if (c != null)
+          return c.getCursor();
+        else
+          return null;
+      }
+
+      public Font getFont()
+      {
+        AccessibleContext ac = getAccessibleColumnHeaderRenderer();
+        AccessibleComponent c = ac.getAccessibleComponent();
+        if (c != null)
+          return c.getFont();
+        else
+          return null;
+      }
+
+      public FontMetrics getFontMetrics(Font f)
+      {
+        AccessibleContext ac = getAccessibleColumnHeaderRenderer();
+        AccessibleComponent c = ac.getAccessibleComponent();
+        if (c != null)
+          return c.getFontMetrics(f);
+        else
+          return null;
+      }
+
+      public Color getForeground()
+      {
+        AccessibleContext ac = getAccessibleColumnHeaderRenderer();
+        AccessibleComponent c = ac.getAccessibleComponent();
+        if (c != null)
+          return c.getForeground();
+        else
+          return null;
+      }
+
+      public Locale getLocale()
+      {
+        Component c = getColumnHeaderRenderer();
+        if (c != null)
+          return c.getLocale();
+        return null;
+      }
+
+      public Point getLocation()
+      {
+        AccessibleContext ac = getAccessibleColumnHeaderRenderer();
+        AccessibleComponent c = ac.getAccessibleComponent();
+        if (c != null)
+          return c.getLocation();
+        else
+          return null;
+      }
+
+      public Point getLocationOnScreen()
+      {
+        AccessibleContext ac = getAccessibleColumnHeaderRenderer();
+        AccessibleComponent c = ac.getAccessibleComponent();
+        if (c != null)
+          return c.getLocationOnScreen();
+        else
+          return null;
+      }
+
+      public Dimension getSize()
+      {
+        AccessibleContext ac = getAccessibleColumnHeaderRenderer();
+        AccessibleComponent c = ac.getAccessibleComponent();
+        if (c != null)
+          return c.getSize();
+        else
+          return null;
+      }
+
+      public boolean isEnabled()
+      {
+        AccessibleContext ac = getAccessibleColumnHeaderRenderer();
+        AccessibleComponent c = ac.getAccessibleComponent();
+        if (c != null)
+          return c.isEnabled();
+        else
+          return false;
+      }
+
+      public boolean isFocusTraversable()
+      {
+        AccessibleContext ac = getAccessibleColumnHeaderRenderer();
+        AccessibleComponent c = ac.getAccessibleComponent();
+        if (c != null)
+          return c.isFocusTraversable();
+        else
+          return false;
+      }
+
+      public boolean isShowing()
+      {
+        AccessibleContext ac = getAccessibleColumnHeaderRenderer();
+        AccessibleComponent c = ac.getAccessibleComponent();
+        if (c != null)
+          return c.isShowing();
+        else
+          return false;
+      }
+
+      public boolean isVisible()
+      {
+        AccessibleContext ac = getAccessibleColumnHeaderRenderer();
+        AccessibleComponent c = ac.getAccessibleComponent();
+        if (c != null)
+          return c.isVisible();
+        else
+          return false;
+      }
+
+      /**
+       * @see #addFocusListener(FocusListener)
+       */
+      public void removeFocusListener(FocusListener l)
+      {
+        AccessibleContext ac = getAccessibleColumnHeaderRenderer();
+        AccessibleComponent c = ac.getAccessibleComponent();
+        if (c != null)
+          c.removeFocusListener(l);
+      }
+
+      /**
+       * @see #addPropertyChangeListener(PropertyChangeListener)
+       */
+      public void removePropertyChangeListener(PropertyChangeListener l)
+      {
+        AccessibleContext ac = getAccessibleColumnHeaderRenderer();
+        if (ac != null)
+          ac.removePropertyChangeListener(l);
+      }
+
+      /**
+       * @see #addFocusListener(FocusListener)
+       */
+      public void requestFocus()
+      {
+        AccessibleContext ac = getAccessibleColumnHeaderRenderer();
+        AccessibleComponent c = ac.getAccessibleComponent();
+        if (c != null)
+          c.requestFocus();
+      }
+
+      /**
+       * @see #getAccessibleDescription()
+       */
+      public void setAccessibleDescription(String s)
+      {
+        AccessibleContext ac = getAccessibleColumnHeaderRenderer();
+        if (ac != null)
+          ac.setAccessibleDescription(s);
+        else
+          accessibleDescription = s;
+      }
+
+      /**
+       * @see #getAccessibleName()
+       */
+      public void setAccessibleName(String s)
+      {
+        AccessibleContext ac = getAccessibleColumnHeaderRenderer();
+        if (ac != null)
+          ac.setAccessibleName(s);
+      }
+
+      public void setBackground(Color c)
+      {
+        AccessibleContext ac = getAccessibleColumnHeaderRenderer();
+        AccessibleComponent comp = ac.getAccessibleComponent();
+        if (comp != null)
+          comp.setBackground(c);
+      }
+
+      public void setBounds(Rectangle r)
+      {
+        AccessibleContext ac = getAccessibleColumnHeaderRenderer();
+        AccessibleComponent comp = ac.getAccessibleComponent();
+        if (comp != null)
+          comp.setBounds(r);
+      }
+
+      public void setCursor(Cursor c)
+      {
+        AccessibleContext ac = getAccessibleColumnHeaderRenderer();
+        AccessibleComponent comp = ac.getAccessibleComponent();
+        if (comp != null)
+          comp.setCursor(c);
+      }
+
+      public void setEnabled(boolean b)
+      {
+        AccessibleContext ac = getAccessibleColumnHeaderRenderer();
+        AccessibleComponent comp = ac.getAccessibleComponent();
+        if (comp != null)
+          comp.setEnabled(b);
+      }
+
+      public void setFont(Font f)
+      {
+        AccessibleContext ac = getAccessibleColumnHeaderRenderer();
+        AccessibleComponent comp = ac.getAccessibleComponent();
+        if (comp != null)
+          comp.setFont(f);
+      }
+
+      public void setForeground(Color c)
+      {
+        AccessibleContext ac = getAccessibleColumnHeaderRenderer();
+        AccessibleComponent comp = ac.getAccessibleComponent();
+        if (comp != null)
+          comp.setForeground(c);
+      }
+
+      public void setLocation(Point p)
+      {
+        AccessibleContext ac = getAccessibleColumnHeaderRenderer();
+        AccessibleComponent comp = ac.getAccessibleComponent();
+        if (comp != null)
+          comp.setLocation(p);
+      }
+
+      public void setSize(Dimension d)
+      {
+        AccessibleContext ac = getAccessibleColumnHeaderRenderer();
+        AccessibleComponent comp = ac.getAccessibleComponent();
+        if (comp != null)
+          comp.setSize(d);
+      }
+
+      public void setVisible(boolean b)
+      {
+        AccessibleContext ac = getAccessibleColumnHeaderRenderer();
+        AccessibleComponent comp = ac.getAccessibleComponent();
+        if (comp != null)
+          comp.setVisible(b);
+      }
+    }
+
+    public AccessibleRole getAccessibleRole()
+    {
+      return AccessibleRole.PANEL;
+    }
+
+    public int getAccessibleChildrenCount()
+    {
+      return table.getColumnCount();
+    }
+
+    public Accessible getAccessibleChild(int i)
+    {
+      return new AccessibleJTableHeaderEntry(i, JTableHeader.this, table);
+    }
+
+    public Accessible getAccessibleAt(Point p)
+    {
+      return getAccessibleChild(columnAtPoint(p));
+    }
+  }
+
+  /**
+   * Use serialVersionUid for interoperability.
+   */
+  private static final long serialVersionUID = 5144633983372967710L;
+
+  /**
+   * The columnModel property.
+   */
+  protected TableColumnModel columnModel;
+
+  /**
+   * The draggedColumn property.
+   */
+  protected TableColumn draggedColumn;
+
+  /**
+   * The draggedDistance property.
+   */
+  protected int draggedDistance;
+
+  /**
+   * The opaque property.
+   */
+  boolean opaque;
+
+  /**
+   * The reorderingAllowed property.
+   */
+  protected boolean reorderingAllowed;
+
+  /**
+   * The resizingAllowed property.
+   */
+  protected boolean resizingAllowed = true;
+
+  /**
+   * The resizingColumn property.
+   */
+  protected TableColumn resizingColumn;
+
+  /**
+   * The table property.
+   */
+  protected JTable table;
+
+  /**
+   * The updateTableInRealTime property.
+   */
+  protected boolean updateTableInRealTime;
+
+  TableCellRenderer cellRenderer;
+
+  /**
+   * Creates a new default instance.
+   */
+  public JTableHeader()
+  {
+    this(null);
+  }
+
+  /**
+   * Creates a new header.  If <code>cm</code> is <code>null</code>, a new
+   * table column model is created by calling
+   * {@link #createDefaultColumnModel()}.
+   *
+   * @param cm  the table column model (<code>null</code> permitted).
+   */
+  public JTableHeader(TableColumnModel cm)
+  {
+    columnModel = cm == null ? createDefaultColumnModel() : cm;
+    initializeLocalVars();
+    updateUI();
+  }
+
+  /**
+   * Creates a default table column model.
+   *
+   * @return A default table column model.
+   */
+  protected TableColumnModel createDefaultColumnModel()
+  {
+    return new DefaultTableColumnModel();
+  }
+
+  /**
+   * Get the value of the {@link #accessibleContext} property.
+   *
+   * @return The current value of the property
+   */
+  public AccessibleContext getAccessibleContext()
+  {
+    return accessibleContext;
+  }
+
+  /**
+   * Get the value of the {@link #columnModel} property.
+   *
+   * @return The current value of the property
+   */
+  public TableColumnModel getColumnModel()
+  {
+    return columnModel;
+  }
+
+  /**
+   * Get the column that is currently being dragged. This is used when
+   * handling the column reordering with mouse.
+   *
+   * @return the column being dragged, null if none.
+   */
+  public TableColumn getDraggedColumn()
+  {
+    return draggedColumn;
+  }
+
+  /**
+   * Get the value of the {@link #draggedDistance} property.
+   *
+   * @return The current value of the property
+   */
+  public int getDraggedDistance()
+  {
+    return draggedDistance;
+  }
+
+  /**
+   * Check if it is possible to reorder the table columns by dragging column
+   * header with mouse. The table reordering is enabled by default, but can be
+   * disabled with {@link #setReorderingAllowed(boolean)}.
+   *
+   * @return true if reordering is allowed, false otherwise.
+   */
+  public boolean getReorderingAllowed()
+  {
+    return reorderingAllowed;
+  }
+
+  /**
+   * Check if it is possible to resize the table columns by dragging the column
+   * boundary in the table header with mouse. The resizing is enabled
+   * by default, but can be disabled with {@link #setResizingAllowed(boolean)}.
+   *
+   * @return true if resizing is allowed, false otherwise.
+   */
+  public boolean getResizingAllowed()
+  {
+    return resizingAllowed;
+  }
+
+  /**
+   * Get the column that is currently being resized. This is used when
+   * handling the column resizing with mouse.
+   *
+   * @return the column being currently resized, null if none.
+   */
+  public TableColumn getResizingColumn()
+  {
+    return resizingColumn;
+  }
+
+  /**
+   * Get the table, having this header.
+   *
+   * @return the table, having this header.
+   */
+  public JTable getTable()
+  {
+    return table;
+  }
+
+  /**
+   * Get the value of the {@link #updateTableInRealTime} property.
+   *
+   * @return The current value of the property
+   */
+  public boolean getUpdateTableInRealTime()
+  {
+    return updateTableInRealTime;
+  }
+
+  /**
+   * Get the value of the {@link #opaque} property.
+   *
+   * @return The current value of the property
+   */
+  public boolean isOpaque()
+  {
+    return opaque;
+  }
+
+  /**
+   * Set the value of the {@link #columnModel} property.
+   *
+   * @param c The new value of the property
+   */
+  public void setColumnModel(TableColumnModel c)
+  {
+    columnModel.removeColumnModelListener(this);
+    columnModel = c;
+    columnModel.addColumnModelListener(this);
+  }
+
+  /**
+   * Set the column that is currently being dragged. This is used when
+   * dragging the column with mouse. Setting to null will stop the
+   * dragging session immediately.
+   *
+   * @param draggingIt the column being currently dragged, null if none.
+   */
+  public void setDraggedColumn(TableColumn draggingIt)
+  {
+    draggedColumn = draggingIt;
+  }
+
+  /**
+   * Set the value of the {@link #draggedDistance} property.
+   *
+   * @param d The new value of the property
+   */
+  public void setDraggedDistance(int d)
+  {
+    draggedDistance = d;
+  }
+
+  /**
+   * Set the value of the {@link #opaque} property.
+   *
+   * @param o The new value of the property
+   */
+  public void setOpaque(boolean o)
+  {
+    opaque = o;
+  }
+
+  /**
+   * Set the table ability to reorder columns by dragging column header
+   * with mouse. The table reordering is enabled by default, but can be
+   * disabled with this method.
+   *
+   * @param allowed true if reordering is allowed, false otherwise.
+   */
+  public void setReorderingAllowed(boolean allowed)
+  {
+    reorderingAllowed = allowed;
+  }
+
+  /**
+   * Set the table ability to resize columns by dragging the column
+   * boundary in the table header with mouse. The resizing is enabled
+   * by default, but can be disabled using this method.
+   *
+   * @param allowed true if resizing is allowed, false otherwise.
+   */
+  public void setResizingAllowed(boolean allowed)
+  {
+    resizingAllowed = allowed;
+  }
+
+  /**
+   * The the column that is currently being resized. This property is used
+   * when handling table resizing with mouse. Setting to null would stop
+   * the resizing session immediately.
+   *
+   * @param resizingIt the column being currently resized
+   */
+  public void setResizingColumn(TableColumn resizingIt)
+  {
+    resizingColumn = resizingIt;
+  }
+
+  /**
+   * Set the value of the {@link #table} property.
+   *
+   * @param t The new value of the property
+   */
+  public void setTable(JTable t)
+  {
+    table = t;
+  }
+
+  /**
+   * Set the value of the {@link #updateTableInRealTime} property.
+   *
+   * @param u The new value of the property
+   */
+  public void setUpdateTableInRealTime(boolean u)
+  {
+    updateTableInRealTime = u;
+  }
+
+  /**
+   * Creates a default renderer.
+   *
+   * @return A default renderer.
+   */
+  protected TableCellRenderer createDefaultRenderer()
+  {
+    return new DefaultTableCellRenderer();
+  }
+
+  /**
+   * Returns the default table cell renderer.
+   *
+   * @return The default table cell renderer.
+   */
+  public TableCellRenderer getDefaultRenderer()
+  {
+    return cellRenderer;
+  }
+
+  /**
+   * Sets the default table cell renderer.
+   *
+   * @param cellRenderer  the renderer.
+   */
+  public void setDefaultRenderer(TableCellRenderer cellRenderer)
+  {
+    this.cellRenderer = cellRenderer;
+  }
+
+  /**
+   * Get the rectangle, occupied by the header of the given column.
+   *
+   * @param column the column, for that the header area is requested.
+   *
+   * @return the column header area.
+   */
+  public Rectangle getHeaderRect(int column)
+  {
+    Rectangle r = getTable().getCellRect(-1, column, false);
+    r.height = getHeight();
+    return r;
+  }
+
+  protected String paramString()
+  {
+    return "JTableHeader";
+  }
+
+  // UI support
+
+  public String getUIClassID()
+  {
+    return "TableHeaderUI";
+  }
+
+  public TableHeaderUI getUI()
+  {
+    return (TableHeaderUI) ui;
+  }
+
+  public void setUI(TableHeaderUI u)
+  {
+    super.setUI(u);
+  }
+
+  public void updateUI()
+  {
+    setUI((TableHeaderUI) UIManager.getUI(this));
+  }
+
+  /**
+   * Returns the index of the column at the specified point.
+   *
+   * @param point  the point.
+   *
+   * @return The column index, or -1.
+   */
+  public int columnAtPoint(Point point)
+  {
+    if (getBounds().contains(point))
+      return columnModel.getColumnIndexAtX(point.x);
+
+    return -1;
+  }
+
+  /**
+   * Receives notification when a column is added to the column model.
+   *
+   * @param event the table column model event
+   */
+  public void columnAdded(TableColumnModelEvent event)
+  {
+    // TODO: What else to do here (if anything)?
+    resizeAndRepaint();
+  }
+
+  /**
+   * Receives notification when a column margin changes in the column model.
+   *
+   * @param event the table column model event
+   */
+  public void columnMarginChanged(ChangeEvent event)
+  {
+    // TODO: What else to do here (if anything)?
+    resizeAndRepaint();
+  }
+
+  /**
+   * Receives notification when a column is moved within the column model.
+   *
+   * @param event the table column model event
+   */
+  public void columnMoved(TableColumnModelEvent event)
+  {
+    // TODO: What else to do here (if anything)?
+    resizeAndRepaint();
+  }
+
+  /**
+   * Receives notification when a column is removed from the column model.
+   *
+   * @param event the table column model event
+   */
+  public void columnRemoved(TableColumnModelEvent event)
+  {
+    // TODO: What else to do here (if anything)?
+    resizeAndRepaint();
+  }
+
+  /**
+   * Receives notification when the column selection has changed.
+   *
+   * @param event the table column model event
+   */
+  public void columnSelectionChanged(ListSelectionEvent event)
+  {
+    // TODO: What else to do here (if anything)?
+    resizeAndRepaint();
+  }
+
+  /**
+   * Validates the layout of this table header and repaints it. This is
+   * equivalent to <code>revalidate()</code> followed by
+   * <code>repaint()</code>.
+   */
+  public void resizeAndRepaint()
+  {
+    revalidate();
+    repaint();
+  }
+
+  /**
+   * Initializes the fields and properties of this class with default values.
+   * This is called by the constructors.
+   */
+  protected void initializeLocalVars()
+  {
+    accessibleContext = new AccessibleJTableHeader();
+    draggedColumn = null;
+    draggedDistance = 0;
+    opaque = true;
+    reorderingAllowed = true;
+    resizingAllowed = true;
+    resizingColumn = null;
+    table = null;
+    updateTableInRealTime = true;
+    cellRenderer = createDefaultRenderer();
+  }
+}