/*
 *                 Sun Public License Notice
 *
 * The contents of this file are subject to the Sun Public License
 * Version 1.0 (the "License"). You may not use this file except in
 * compliance with the License. A copy of the License is available at
 * http://www.sun.com/
 *
 * The Original Code is NetBeans. The Initial Developer of the Original
 * Code is Sun Microsystems, Inc. Portions Copyright 1997-2004 Sun
 * Microsystems, Inc. All Rights Reserved.
 */

package org.netbeans.spi.project.ui.support;

import org.netbeans.api.project.Project;

/**
 * Callback interface for project- and main project-sensitive actions.
 * @author Petr Hrebejk
 */
public interface ProjectActionPerformer {
    
    /**
     * Called when the context of the action changes and the action should
     * be enabled or disabled within the new context, according to the newly
     * selected project.
     * @param project the currently selected project, or null if no project is selected
     * @return true to enable the action, false to disable it
     */
    public boolean enable( Project project ); 
        
    /**
     * Called when the user invokes the action.
     * @param project the project this action was invoked for (XXX can this be null or not?)
     */
    public void perform( Project project ); 
    
}