/*
 * Copyright (c) 2001, 2022, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
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 */

package sun.jvm.hotspot.ui.treetable;

import javax.swing.tree.TreeModel;

/**
 * TreeTableModel is the model used by a JTreeTable. It extends TreeModel
 * to add methods for getting information 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 of available columns.
     */
    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 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);
}
