/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.isis.core.metamodel.facets.actions.action.invocation;
import java.util.Map;
import org.apache.isis.applib.events.InteractionEvent;
import org.apache.isis.applib.events.UsabilityEvent;
import org.apache.isis.applib.events.ValidityEvent;
import org.apache.isis.applib.events.VisibilityEvent;
import org.apache.isis.applib.services.eventbus.AbstractDomainEvent;
import org.apache.isis.applib.services.eventbus.ActionDomainEvent;
import org.apache.isis.applib.services.i18n.TranslatableString;
import org.apache.isis.applib.services.i18n.TranslationService;
import org.apache.isis.core.metamodel.adapter.ObjectAdapter;
import org.apache.isis.core.metamodel.facetapi.Facet;
import org.apache.isis.core.metamodel.facetapi.FacetHolder;
import org.apache.isis.core.metamodel.facetapi.IdentifiedHolder;
import org.apache.isis.core.metamodel.facets.DomainEventHelper;
import org.apache.isis.core.metamodel.facets.SingleClassValueFacetAbstract;
import org.apache.isis.core.metamodel.interactions.ActionInteractionContext;
import org.apache.isis.core.metamodel.interactions.ActionValidityContext;
import org.apache.isis.core.metamodel.interactions.InteractionContext;
import org.apache.isis.core.metamodel.interactions.UsabilityContext;
import org.apache.isis.core.metamodel.interactions.ValidityContext;
import org.apache.isis.core.metamodel.interactions.VisibilityContext;
import org.apache.isis.core.metamodel.services.ServicesInjector;
import org.apache.isis.core.metamodel.specloader.SpecificationLoader;
import org.apache.isis.core.metamodel.spec.feature.ObjectAction;
public abstract class ActionDomainEventFacetAbstract
extends SingleClassValueFacetAbstract implements ActionDomainEventFacet {
private final TranslationService translationService;
private final String translationContext;
static Class<? extends Facet> type() {
return ActionDomainEventFacet.class;
}
private final DomainEventHelper domainEventHelper;
public ActionDomainEventFacetAbstract(
final Class<? extends ActionDomainEvent<?>> eventType,
final FacetHolder holder,
final ServicesInjector servicesInjector,
final SpecificationLoader specificationLoader) {
super(type(), holder, eventType, specificationLoader);
this.translationService = servicesInjector.lookupService(TranslationService.class);
// sadness: same as in TranslationFactory
this.translationContext = ((IdentifiedHolder)holder).getIdentifier().toClassAndNameIdentityString();
domainEventHelper = new DomainEventHelper(servicesInjector);
}
@Override
public String hides(final VisibilityContext<? extends VisibilityEvent> ic) {
final ActionDomainEvent<?> event =
domainEventHelper.postEventForAction(
AbstractDomainEvent.Phase.HIDE,
eventType(), null,
actionFrom(ic), getIdentified(),
ic.getTarget(), ic.getMixedIn(), argumentAdaptersFrom(ic),
null,
null);
if (event != null && event.isHidden()) {
return "Hidden by subscriber";
}
return null;
}
@Override
public String disables(UsabilityContext<? extends UsabilityEvent> ic) {
final ActionDomainEvent<?> event =
domainEventHelper.postEventForAction(
AbstractDomainEvent.Phase.DISABLE,
eventType(), null,
actionFrom(ic), getIdentified(),
ic.getTarget(), ic.getMixedIn(), argumentAdaptersFrom(ic),
null,
null);
if (event != null && event.isDisabled()) {
final TranslatableString reasonTranslatable = event.getDisabledReasonTranslatable();
if(reasonTranslatable != null) {
return reasonTranslatable.translate(translationService, translationContext);
}
return event.getDisabledReason();
}
return null;
}
private static ObjectAction actionFrom(final InteractionContext<?> ic) {
if(!(ic instanceof ActionInteractionContext)) {
throw new IllegalStateException(
"Expecting ic to be of type ActionInteractionContext, instead was: " + ic);
}
return ((ActionInteractionContext) ic).getObjectAction();
}
private static ObjectAdapter[] argumentAdaptersFrom(final InteractionContext<? extends InteractionEvent> ic) {
final Map<Integer, ObjectAdapter> contributeeAsMap = ic.getContributeeAsMap();
return contributeeAsMap.isEmpty() ? null : new ObjectAdapter[]{contributeeAsMap.get(0)};
}
@Override
public String invalidates(final ValidityContext<? extends ValidityEvent> ic) {
final ActionValidityContext aic = (ActionValidityContext) ic;
final ActionDomainEvent<?> event =
domainEventHelper.postEventForAction(
AbstractDomainEvent.Phase.VALIDATE,
eventType(), null,
actionFrom(ic), getIdentified(),
ic.getTarget(), ic.getMixedIn(), aic.getArgs(),
null,
null);
if (event != null && event.isInvalid()) {
final TranslatableString reasonTranslatable = event.getInvalidityReasonTranslatable();
if(reasonTranslatable != null) {
return reasonTranslatable.translate(translationService, translationContext);
}
return event.getInvalidityReason();
}
return null;
}
protected Class eventType() {
return value();
}
public Class<? extends ActionDomainEvent<?>> getEventType() {
//noinspection unchecked
return eventType();
}
}