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();
        }

}