/*
* 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.html.action.view;
import java.util.List;
import org.apache.isis.core.commons.authentication.AuthenticationSession;
import org.apache.isis.core.commons.exceptions.UnknownTypeException;
import org.apache.isis.core.metamodel.adapter.ObjectAdapter;
import org.apache.isis.core.metamodel.spec.ObjectSpecification;
import org.apache.isis.core.metamodel.spec.feature.ObjectAssociation;
import org.apache.isis.core.metamodel.spec.feature.ObjectAssociationFilters;
import org.apache.isis.viewer.html.component.Block;
import org.apache.isis.viewer.html.component.Component;
import org.apache.isis.viewer.html.component.ComponentFactory;
import org.apache.isis.viewer.html.component.ViewPane;
import org.apache.isis.viewer.html.context.Context;
import org.apache.isis.viewer.html.request.Request;
public class ObjectView extends ObjectViewAbstract {
@Override
protected boolean addObjectToHistory() {
return true;
}
@Override
protected void doExecute(final Context context, final ViewPane content, final ObjectAdapter adapter, final String field) {
final String id = context.mapObject(adapter);
final ObjectSpecification specification = adapter.getSpecification();
final AuthenticationSession authenticationSession = getAuthenticationSession();
createObjectView(context, adapter, content, id);
// // TODO: this test should be done by the ImmutableFacetFactory
// installing an immutableFacet on every
// // member
// final boolean immutable =
// ImmutableFacetUtils.isAlwaysImmutable(specification)
// || (adapter.isPersistent() &&
// ImmutableFacetUtils.isImmutableOncePersisted(specification));
boolean atLeastOneFieldVisibleAndEditable = false;
final List<ObjectAssociation> flds = specification.getAssociations();
for (int i = 0; i < flds.size(); i++) {
if (flds.get(i).isVisible(authenticationSession, adapter).isAllowed() && flds.get(i).isUsable(authenticationSession, adapter).isAllowed()) {
atLeastOneFieldVisibleAndEditable = true;
break;
}
}
if (/* !immutable && */atLeastOneFieldVisibleAndEditable) {
content.add(context.getComponentFactory().createEditOption(id));
}
context.setObjectCrumb(adapter);
}
private void createObjectView(final Context context, final ObjectAdapter object, final ViewPane pane, final String id) {
final ObjectSpecification specification = object.getSpecification();
final List<ObjectAssociation> visibleFields = specification.getAssociations(ObjectAssociationFilters.dynamicallyVisible(getAuthenticationSession(), object));
for (int i = 0; i < visibleFields.size(); i++) {
final ObjectAssociation field = visibleFields.get(i);
final ComponentFactory factory = context.getComponentFactory();
final Block fieldBlock = factory.createBlock("field", field.getDescription());
fieldBlock.add(factory.createInlineBlock("label", field.getName(), null));
fieldBlock.add(factory.createInlineBlock("separator", ": ", null));
getPersistenceSession().resolveField(object, field);
// ordering is important here;
// look at parseable fields before objects
final ObjectAdapter associatedObject = field.get(object);
Component component = null;
if (field.getSpecification().isParseable()) {
component = factory.createParseableField(field, associatedObject, false);
} else if (field.isOneToOneAssociation()) {
if (associatedObject == null) {
component = factory.createInlineBlock("value", "", null);
fieldBlock.add(component);
} else {
// previously there was a called to resolveImmediately here
// on the
// associated object, but it has been removed (presumably we
// don't
// want to force eager loading).
final String elementId = context.mapObject(associatedObject);
component = factory.createObjectIcon(field, associatedObject, elementId, "value");
}
} else if (field.isOneToManyAssociation()) {
component = factory.createCollectionIcon(field, associatedObject, id);
} else {
throw new UnknownTypeException(field);
}
fieldBlock.add(component);
pane.add(fieldBlock);
}
}
@Override
public String name() {
return Request.OBJECT_COMMAND;
}
}