/*
* This is part of Geomajas, a GIS framework, http://www.geomajas.org/.
*
* Copyright 2008-2015 Geosparc nv, http://www.geosparc.com/, Belgium.
*
* The program is available in open source according to the GNU Affero
* General Public License. All contributions in this program are covered
* by the Geomajas Contributors License Agreement. For full licensing
* details, see LICENSE.txt in the project root.
*/
package org.geomajas.widget.utility.common.client.event;
import com.google.gwt.event.shared.HandlerRegistration;
/**
* Implemented by classes that that trigger {@link EnabledEvent} and {@link DisabledEvent} events.
*
* @author Jan De Moerloose
*
*/
public interface HasEnabledHandlers {
/**
* Add a new handler for {@link EnabledEvent} and {@link DisabledEvent} events.
*
* @param handler The handler to be registered.
* @return Returns the handlers registration object.
*/
HandlerRegistration addEnabledHandler(EnabledHandler handler);
/**
* Return whether this object is enabled.
*
* @return true if enabled, false otherwise
*/
boolean isEnabled();
}