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diff --git a/libjava/classpath/javax/swing/table/TableColumnModel.java b/libjava/classpath/javax/swing/table/TableColumnModel.java
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+/* TableColumnModel.java --
+   Copyright (C) 2002, 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.util.Enumeration;
+
+import javax.swing.JTable;
+import javax.swing.ListSelectionModel;
+import javax.swing.event.ChangeEvent;
+import javax.swing.event.TableColumnModelEvent;
+import javax.swing.event.TableColumnModelListener;
+
+/**
+ * The interface used by {@link JTable} to access the columns in the table
+ * view.
+ *
+ * @author Andrew Selkirk
+ */
+public interface TableColumnModel
+{
+  /**
+   * Adds a column to the model.
+   *
+   * @param column  the new column (<code>null</code> not permitted).
+   *
+   * @throws IllegalArgumentException if <code>column</code> is
+   *         <code>null</code>.
+   */
+  void addColumn(TableColumn column);
+
+  /**
+   * Removes a column from the model.  If <code>column</code> is not defined
+   * in the model, this method does nothing.
+   *
+   * @param column TableColumn
+   */
+  void removeColumn(TableColumn column);
+
+  /**
+   * Moves a column.
+   *
+   * @param columnIndex Index of column to move
+   * @param newIndex New index of column
+   */
+  void moveColumn(int columnIndex, int newIndex);
+
+  /**
+   * Sets the column margin and sends a {@link ChangeEvent} to all registered
+   * {@link TableColumnModelListener}s registered with the model.
+   *
+   * @param margin  the column margin.
+   *
+   * @see #getColumnMargin()
+   */
+  void setColumnMargin(int margin);
+
+  /**
+   * Returns the number of columns in the model.
+   *
+   * @return The column count.
+   */
+  int getColumnCount();
+
+  /**
+   * Returns an enumeration of the columns in the model.
+   *
+   * @return An enumeration of the columns in the model.
+   */
+  Enumeration<TableColumn> getColumns();
+
+  /**
+   * Returns the index of the {@link TableColumn} with the given identifier.
+   *
+   * @param identifier  the identifier (<code>null</code> not permitted).
+   *
+   * @return The index of the {@link TableColumn} with the given identifier.
+   *
+   * @throws IllegalArgumentException if <code>identifier</code> is
+   *         <code>null</code> or there is no column with that identifier.
+   */
+  int getColumnIndex(Object identifier);
+
+  /**
+   * Returns the <code>TableColumn</code> at the specified index.
+   *
+   * @param columnIndex  the column index.
+   *
+   * @return The table column.
+   */
+  TableColumn getColumn(int columnIndex);
+
+  /**
+   * Returns the column margin.
+   *
+   * @return The column margin.
+   *
+   * @see #setColumnMargin(int)
+   */
+  int getColumnMargin();
+
+  /**
+   * Returns the index of the column that contains the specified x-coordinate,
+   * assuming that:
+   * <ul>
+   * <li>column zero begins at position zero;</li>
+   * <li>all columns appear in order;</li>
+   * <li>individual column widths are taken into account, but the column margin
+   *     is ignored.</li>
+   * </ul>
+   * If no column contains the specified position, this method returns
+   * <code>-1</code>.
+   *
+   * @param xPosition  the x-position.
+   *
+   * @return The column index, or <code>-1</code>.
+   */
+  int getColumnIndexAtX(int xPosition);
+
+  /**
+   * Returns total width of all the columns in the model, ignoring the
+   * column margin (see {@link #getColumnMargin()}).
+   *
+   * @return The total width of all the columns.
+   */
+  int getTotalColumnWidth();
+
+  /**
+   * Sets the flag that indicates whether or not column selection is allowed.
+   *
+   * @param allowed  the new flag value.
+   *
+   * @see #getColumnSelectionAllowed()
+   */
+  void setColumnSelectionAllowed(boolean allowed);
+
+  /**
+   * Returns <code>true</code> if column selection is allowed, and
+   * <code>false</code> if column selection is not allowed.
+   *
+   * @return A boolean.
+   *
+   * @see #setColumnSelectionAllowed(boolean)
+   */
+  boolean getColumnSelectionAllowed();
+
+  /**
+   * getSelectedColumns
+   * @return Selected columns
+   */
+  int[] getSelectedColumns();
+
+  /**
+   * Returns the number of selected columns in the model.
+   *
+   * @return The selected column count.
+   *
+   * @see #getSelectionModel()
+   */
+  int getSelectedColumnCount();
+
+  /**
+   * Sets the selection model that will be used to keep track of the selected
+   * columns.
+   *
+   * @param model  the selection model (<code>null</code> not permitted).
+   *
+   * @throws IllegalArgumentException if <code>model</code> is
+   *     <code>null</code>.
+   */
+  void setSelectionModel(ListSelectionModel model);
+
+  /**
+   * Returns the selection model used to track table column selections.
+   *
+   * @return The selection model.
+   *
+   * @see #setSelectionModel(ListSelectionModel)
+   */
+  ListSelectionModel getSelectionModel();
+
+  /**
+   * Registers a listener with the model, so that it will receive
+   * {@link TableColumnModelEvent} notifications.
+   *
+   * @param listener the listener (<code>null</code> ignored).
+   */
+  void addColumnModelListener(TableColumnModelListener listener);
+
+  /**
+   * Deregisters a listener, so that it will no longer receive
+   * {@link TableColumnModelEvent} notifications.
+   *
+   * @param listener  the listener.
+   */
+  void removeColumnModelListener(TableColumnModelListener listener);
+}