/*
 * %W% %E%
 *
 * Copyright 1997, 1998 Sun Microsystems, Inc. All Rights Reserved.
 * 
 * Redistribution and use in source and binary forms, with or
 * without modification, are permitted provided that the following
 * conditions are met:
 * 
 * - Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer. 
 *   
 * - Redistribution in binary form must reproduce the above
 *   copyright notice, this list of conditions and the following
 *   disclaimer in the documentation and/or other materials
 *   provided with the distribution. 
 *   
 * Neither the name of Sun Microsystems, Inc. or the names of
 * contributors may be used to endorse or promote products derived
 * from this software without specific prior written permission.  
 * 
 * This software is provided "AS IS," without a warranty of any
 * kind. ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND
 * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY
 * EXCLUDED. SUN AND ITS LICENSORS SHALL NOT BE LIABLE FOR ANY
 * DAMAGES OR LIABILITIES SUFFERED BY LICENSEE AS A RESULT OF OR
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 */

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.
 * 
 * @version %I% %G%
 * 
 * @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);
}