package net.sf.memoranda.ui.treetable;/* * TreeTableModel.java * * Copyright (c) 1998 Sun Microsystems, Inc. All Rights Reserved. * * This software is the confidential and proprietary information of Sun * Microsystems, Inc. ("Confidential Information").  You shall not * disclose such Confidential Information and shall use it only in * accordance with the terms of the license agreement you entered into * with Sun. * * SUN MAKES NO REPRESENTATIONS OR WARRANTIES ABOUT THE SUITABILITY OF THE * SOFTWARE, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE * IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR * PURPOSE, OR NON-INFRINGEMENT. SUN SHALL NOT BE LIABLE FOR ANY DAMAGES * SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR DISTRIBUTING * THIS SOFTWARE OR ITS DERIVATIVES. * */import javax.swing.tree.TreeModel;/** * TreeTableModel is the model used by a JTreeTable. It extends TreeModel * to add methods for getting inforamtion about the set of columns each  * node in the TreeTableModel may have. Each column, like a column in  * a TableModel, has a name and a type associated with it. Each node in  * the TreeTableModel can return a value for each of the columns and  * set that value if isCellEditable() returns true.  * * @author Philip Milne  * @author Scott Violet */public interface TreeTableModel extends TreeModel{    /**     * Returns the number ofs availible column.     */    public int getColumnCount();    /**     * Returns the name for column number <code>column</code>.     */    public String getColumnName(int column);    /**     * Returns the type for column number <code>column</code>.     */    public Class getColumnClass(int column);    /**     * Returns the value to be displayed for node <code>node</code>,      * at column number <code>column</code>.     */    public Object getValueAt(Object node, int column);    /**     * Indicates whether the the value for node <code>node</code>,      * at column number <code>column</code> is editable.     */    public boolean isCellEditable(Object node, int column);    /**     * Sets the value for node <code>node</code>,      * at column number <code>column</code>.     */    public void setValueAt(Object aValue, Object node, int column);}