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// $Id$
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/**
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* Copyright (C) 2015 EDIT
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* European Distributed Institute of Taxonomy
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* http://www.e-taxonomy.eu
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*
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* The contents of this file are subject to the Mozilla Public License Version 1.1
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* See LICENSE.TXT at the top of this package for the full license terms.
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*/
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package eu.etaxonomy.cdm.vaadin.session;
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import java.util.ArrayList;
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import java.util.List;
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import com.vaadin.ui.UI;
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/**
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* @author cmathew
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* @date 21 Apr 2015
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*
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*/
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public class BasicEventService {
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public final static String KEY = "key_simpleEventService";
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private final List<IBasicEventListener> listeners;
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private final List<BasicEvent> currentEvents;
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public BasicEventService() {
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listeners = new ArrayList<IBasicEventListener>();
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currentEvents = new ArrayList<BasicEvent>();
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}
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public void register(IBasicEventListener listener) {
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listeners.add(listener);
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}
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public void addEvent(BasicEvent event) {
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currentEvents.add(event);
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}
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public void fireCurrentSelectionEvents(boolean async) {
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try {
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for(BasicEvent event : currentEvents) {
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fireBasicEvent(event,async);
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}
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} finally {
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currentEvents.clear();
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}
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}
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public void fireBasicEvent(final BasicEvent event, boolean async) {
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for(final IBasicEventListener listener : listeners) {
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if(async) {
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UI.getCurrent().access(new Runnable() {
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@Override
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public void run() {
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listener.onAction(event);
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}
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});
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} else {
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listener.onAction(event);
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}
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}
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}
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}
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