/*
* 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.entity.collections;
import java.util.List;
import org.apache.wicket.Component;
import org.apache.wicket.ajax.AjaxRequestTarget;
import org.apache.wicket.markup.html.WebMarkupContainer;
import org.apache.wicket.markup.html.basic.Label;
import org.apache.wicket.markup.repeater.RepeatingView;
import org.apache.isis.applib.annotation.Where;
import org.apache.isis.applib.filter.Filter;
import org.apache.isis.applib.filter.Filters;
import org.apache.isis.core.metamodel.adapter.ObjectAdapter;
import org.apache.isis.core.metamodel.facets.members.cssclass.CssClassFacet;
import org.apache.isis.core.metamodel.spec.ObjectSpecification;
import org.apache.isis.core.metamodel.spec.feature.Contributed;
import org.apache.isis.core.metamodel.spec.feature.ObjectAssociation;
import org.apache.isis.core.metamodel.spec.feature.OneToManyAssociation;
import org.apache.isis.viewer.wicket.model.models.EntityModel;
import org.apache.isis.viewer.wicket.ui.components.collection.CollectionPanel;
import org.apache.isis.viewer.wicket.ui.components.widgets.containers.UiHintPathSignificantWebMarkupContainer;
import org.apache.isis.viewer.wicket.ui.panels.PanelAbstract;
import org.apache.isis.viewer.wicket.ui.util.CssClassAppender;
/**
* {@link PanelAbstract Panel} representing the properties of an entity, as per
* the provided {@link EntityModel}.
*/
public class EntityCollectionsPanel extends PanelAbstract<EntityModel> {
private static final long serialVersionUID = 1L;
private static final String ID_ENTITY_COLLECTIONS = "entityCollections";
private static final String ID_COLLECTION_GROUP = "collectionGroup";
private static final String ID_COLLECTION_NAME = "collectionName";
private static final String ID_COLLECTIONS = "collections";
private static final String ID_COLLECTION = "collection";
private Label labelComponent;
public EntityCollectionsPanel(final String id, final EntityModel entityModel) {
super(id, entityModel);
buildGui();
}
private void buildGui() {
buildEntityPropertiesAndOrCollectionsGui();
setOutputMarkupId(true); // so can repaint via ajax
}
private void buildEntityPropertiesAndOrCollectionsGui() {
final EntityModel model = getModel();
final ObjectAdapter adapter = model.getObject();
if (adapter != null) {
addCollections();
} else {
permanentlyHide(ID_ENTITY_COLLECTIONS);
}
}
private void addCollections() {
final EntityModel entityModel = getModel();
final ObjectAdapter adapter = entityModel.getObject();
final ObjectSpecification noSpec = adapter.getSpecification();
final List<ObjectAssociation> associations = visibleCollections(adapter, noSpec);
final RepeatingView collectionRv = new RepeatingView(ID_COLLECTIONS);
add(collectionRv);
for (final ObjectAssociation association : associations) {
final WebMarkupContainer collectionRvContainer = new UiHintPathSignificantWebMarkupContainer(collectionRv.newChildId());
collectionRv.add(collectionRvContainer);
addCollectionToForm(entityModel, association, collectionRvContainer);
}
}
private void addCollectionToForm(final EntityModel entityModel,
final ObjectAssociation association,
final WebMarkupContainer collectionRvContainer) {
final CssClassFacet facet = association.getFacet(CssClassFacet.class);
if(facet != null) {
collectionRvContainer.add(new CssClassAppender(facet.value()));
}
final WebMarkupContainer fieldset = new WebMarkupContainer(ID_COLLECTION_GROUP);
collectionRvContainer.add(fieldset);
final OneToManyAssociation otma = (OneToManyAssociation) association;
final CollectionPanel collectionPanel = new CollectionPanel(ID_COLLECTION, entityModel, otma);
labelComponent = collectionPanel.createLabel(ID_COLLECTION_NAME, association.getName());
fieldset.add(labelComponent);
fieldset.addOrReplace(collectionPanel);
}
private List<ObjectAssociation> visibleCollections(final ObjectAdapter adapter, final ObjectSpecification noSpec) {
return noSpec.getAssociations(Contributed.INCLUDED, visibleCollectionsFilter(adapter));
}
@SuppressWarnings("unchecked")
private Filter<ObjectAssociation> visibleCollectionsFilter(final ObjectAdapter adapter) {
return Filters.and(ObjectAssociation.Filters.COLLECTIONS, ObjectAssociation.Filters.dynamicallyVisible(getAuthenticationSession(), adapter, Where.PARENTED_TABLES));
}
private void requestRepaintPanel(final AjaxRequestTarget target) {
if (target != null) {
target.add(this);
}
}
private EntityModel getEntityModel() {
return getModel();
}
void toViewMode(final AjaxRequestTarget target) {
getEntityModel().toViewMode();
requestRepaintPanel(target);
}
}