/*
 * 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.
 *
 */

package uk.ac.reload.dweezil.gui.treetable;

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.
	 */
	int getColumnCount();
	
	/**
	 * Returns the name for column number <code>column</code>.
	 */
	String getColumnName(int column);
	
	/**
	 * Returns the type for column number <code>column</code>.
	 */
	Class getColumnClass(int column);
	
	/**
	 * Returns the value to be displayed for node <code>node</code>,
	 * at column number <code>column</code>.
	 */
	Object getValueAt(Object node, int column);
	
	/**
	 * Indicates whether the the value for node <code>node</code>,
	 * at column number <code>column</code> is editable.
	 */
	boolean isCellEditable(Object node, int column);
	
	/**
	 * Sets the value for node <code>node</code>,
	 * at column number <code>column</code>.
	 */
	void setValueAt(Object aValue, Object node, int column);
}
