/*
* Copyright 2017 Red Hat, Inc. and/or its affiliates.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.drools.workbench.screens.guided.dtable.client.widget.analysis.controller;
import java.util.HashSet;
import java.util.Set;
import com.google.gwt.event.shared.EventBus;
import com.google.gwt.event.shared.HandlerRegistration;
import org.kie.workbench.common.widgets.decoratedgrid.client.widget.events.AppendRowEvent;
import org.kie.workbench.common.widgets.decoratedgrid.client.widget.events.DeleteRowEvent;
import org.kie.workbench.common.widgets.decoratedgrid.client.widget.events.InsertRowEvent;
import org.kie.workbench.common.widgets.decoratedgrid.client.widget.events.UpdateColumnDataEvent;
import org.uberfire.commons.validation.PortablePreconditions;
public class Events {
private final EventBus eventBus;
private final AnalyzerControllerImpl analyzerController;
private Set<HandlerRegistration> eventBusHandlerRegistrations = new HashSet<>();
public Events( final EventBus eventBus,
final AnalyzerControllerImpl analyzerController ) {
this.eventBus = PortablePreconditions.checkNotNull( "eventBus",
eventBus );
this.analyzerController = PortablePreconditions.checkNotNull( "analyzerController",
analyzerController );
}
public void setup() {
if ( eventBusHandlerRegistrations.isEmpty() ) {
eventBusHandlerRegistrations.add( eventBus.addHandler( ValidateEvent.TYPE,
analyzerController ) );
eventBusHandlerRegistrations.add( eventBus.addHandler( DeleteRowEvent.TYPE,
analyzerController ) );
eventBusHandlerRegistrations.add( eventBus.addHandler( AfterColumnDeleted.TYPE,
analyzerController ) );
eventBusHandlerRegistrations.add( eventBus.addHandler( UpdateColumnDataEvent.TYPE,
analyzerController ) );
eventBusHandlerRegistrations.add( eventBus.addHandler( AppendRowEvent.TYPE,
analyzerController ) );
eventBusHandlerRegistrations.add( eventBus.addHandler( InsertRowEvent.TYPE,
analyzerController ) );
eventBusHandlerRegistrations.add( eventBus.addHandler( AfterColumnInserted.TYPE,
analyzerController ) );
}
}
public void teardown() {
for ( final HandlerRegistration handlerRegistration : eventBusHandlerRegistrations ) {
handlerRegistration.removeHandler();
}
eventBusHandlerRegistrations.clear();
}
}