/*
* 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.viewer.wicket.ui.components.actionmenu.entityactions;
import java.util.Collections;
import java.util.List;
import com.google.common.base.Function;
import com.google.common.base.Predicates;
import com.google.common.collect.FluentIterable;
import org.apache.isis.core.metamodel.adapter.ObjectAdapter;
import org.apache.isis.core.metamodel.adapter.mgr.AdapterManager;
import org.apache.isis.core.metamodel.deployment.DeploymentCategory;
import org.apache.isis.core.metamodel.spec.feature.ObjectAction;
import org.apache.isis.core.metamodel.spec.feature.OneToOneAssociation;
import org.apache.isis.viewer.wicket.model.links.LinkAndLabel;
import org.apache.isis.viewer.wicket.model.models.EntityModel;
import org.apache.isis.viewer.wicket.model.models.ScalarModel;
import org.apache.isis.viewer.wicket.ui.components.widgets.linkandlabel.ActionLinkFactory;
public final class LinkAndLabelUtil {
private LinkAndLabelUtil(){}
public static List<LinkAndLabel> asActionLinksForAssociation(
final ScalarModel scalarModelForAssociation,
final DeploymentCategory deploymentCategory) {
if (scalarModelForAssociation.getKind() != ScalarModel.Kind.PROPERTY) {
return Collections.emptyList();
}
final EntityModel parentEntityModel = scalarModelForAssociation.getParentEntityModel();
final ObjectAdapter parentAdapter = parentEntityModel.load(AdapterManager.ConcurrencyChecking.NO_CHECK);
final OneToOneAssociation oneToOneAssociation =
scalarModelForAssociation.getPropertyMemento().getProperty(scalarModelForAssociation.getSpecificationLoader());
final List<ObjectAction> associatedActions =
ObjectAction.Util.findForAssociation(parentAdapter, oneToOneAssociation, deploymentCategory);
return asActionLinksForAdditionalLinksPanel(parentEntityModel, associatedActions,
scalarModelForAssociation);
}
/**
* Converts an {@link org.apache.isis.viewer.wicket.model.models.EntityModel} and a (subset of its) {@link org.apache.isis.core.metamodel.spec.feature.ObjectAction}s into a
* list of {@link org.apache.isis.viewer.wicket.model.links.LinkAndLabel}s intended to be passed
* to the {@link AdditionalLinksPanel}.
*
* <p>
* The length of the list returned may smaller than the inbound actions; any null links
* (for invisible actions) will be discarded.
* </p>
*/
public static List<LinkAndLabel> asActionLinksForAdditionalLinksPanel(
final EntityModel parentEntityModel,
final List<ObjectAction> objectActions,
final ScalarModel scalarModelForAssociationIfAny) {
final ActionLinkFactory linkFactory = new EntityActionLinkFactory(parentEntityModel, scalarModelForAssociationIfAny);
return FluentIterable.from(objectActions)
.transform(new Function<ObjectAction, LinkAndLabel>() {
@Override
public LinkAndLabel apply(ObjectAction objectAction) {
return linkFactory.newLink(objectAction, AdditionalLinksPanel.ID_ADDITIONAL_LINK);
}
})
.filter(Predicates.<LinkAndLabel>notNull())
.toList();
}
}