Subversion Repositories eFlore/Applications.del

package org.tela_botanica.del.client.navigation.event;

import org.tela_botanica.del.client.cache.ClientCache;

import org.tela_botanica.del.client.history.NavigationStatesConstants;

import org.tela_botanica.del.client.modeles.Observation;

import org.tela_botanica.del.client.navigation.event.validateobservation.ValidateImageEvent;

import org.tela_botanica.del.client.navigation.event.validateobservation.ValidateImageEventHandler;

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

import com.google.gwt.user.client.History;

public class EventBus extends HandlerManager {

	private static EventBus instance;

	private EventBus() {

		super(null);

		instance = this;

		createHandlers();

	}

	public static EventBus getInstance() {

		if (instance == null) {

			instance = new EventBus();

		}

		return instance;

	}

	private void createHandlers() {

		addHandler(ValidateImageEvent.TYPE, new ValidateImageEventHandler() {

			@Override

			public void onValidateImage(ValidateImageEvent event) {

				doValidateImage(event.getImageCel());

			}

		});

	}

	private void doValidateImage(Observation observation) {

		ClientCache.getInstance().setCurrentImageCel(observation);

		History.newItem(NavigationStatesConstants.VALIDATION_PAGE, true);

		History.fireCurrentHistoryState();

	}

}