GroupingHandlerRegistration.java

/*******************************************************************************
 * Copyright (c) 2012-2017 Codenvy, S.A.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *   Codenvy, S.A. - initial API and implementation
 *******************************************************************************/
package org.eclipse.che.ide.ui.smartTree.handler;

import com.google.gwt.event.shared.HandlerRegistration;

import java.util.HashSet;
import java.util.Set;

/**
 * Grouping handler registration.
 *
 * @author Vlad Zhukovskiy
 */
public class GroupingHandlerRegistration implements HandlerRegistration {

    private Set<HandlerRegistration> registrations;

    public GroupingHandlerRegistration() {
        registrations = new HashSet<>();
    }

    public void add(HandlerRegistration registration) {
        registrations.add(registration);
    }

    public Set<HandlerRegistration> getRegistrations() {
        return registrations;
    }

    public void removeHandler() {
        for (HandlerRegistration r : registrations) {
            r.removeHandler();
        }
        registrations.clear();
    }

}