/*
* 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.dnd.view.field;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.apache.isis.core.commons.debug.DebugBuilder;
import org.apache.isis.core.metamodel.adapter.ObjectAdapter;
import org.apache.isis.core.metamodel.consent.Consent;
import org.apache.isis.core.metamodel.consent.Veto;
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.OneToManyAssociation;
import org.apache.isis.core.runtime.system.context.IsisContext;
import org.apache.isis.viewer.dnd.view.UserActionSet;
import org.apache.isis.viewer.dnd.view.content.AbstractObjectContent;
public class OneToManyFieldElementImpl extends AbstractObjectContent implements OneToManyFieldElement {
private static final Logger LOG = LoggerFactory.getLogger(OneToManyFieldElementImpl.class);
private final ObjectAdapter element;
private final ObjectField field;
public OneToManyFieldElementImpl(final ObjectAdapter parent, final ObjectAdapter element, final OneToManyAssociation association) {
field = new ObjectField(parent, association);
this.element = element;
}
@Override
public Consent canClear() {
final ObjectAdapter parentObject = getParent();
final OneToManyAssociation association = getOneToManyAssociation();
final ObjectAdapter associatedObject = getObject();
final Consent isEditable = isEditable();
if (isEditable.isVetoed()) {
return isEditable;
}
final Consent consent = association.isValidToRemove(parentObject, associatedObject);
if (consent.isAllowed()) {
consent.setDescription("Clear the association to this object from '" + parentObject.titleString() + "'");
}
return consent;
}
@Override
public Consent isEditable() {
return getField().isUsable(IsisContext.getAuthenticationSession(), getParent(), where);
}
@Override
public Consent canSet(final ObjectAdapter dragSource) {
return Veto.DEFAULT;
}
@Override
public void clear() {
final ObjectAdapter parentObject = getParent();
final OneToManyAssociation association = getOneToManyAssociation();
LOG.debug("remove " + element + " from " + parentObject);
association.removeElement(parentObject, element);
}
@Override
public void debugDetails(final DebugBuilder debug) {
field.debugDetails(debug);
debug.appendln("element", element);
}
@Override
public String getFieldName() {
return field.getName();
}
@Override
public ObjectAssociation getField() {
return field.getObjectAssociation();
}
@Override
public ObjectAdapter getAdapter() {
return element;
}
@Override
public ObjectAdapter getObject() {
return element;
}
@Override
public ObjectAdapter[] getOptions() {
return null;
}
private OneToManyAssociation getOneToManyAssociation() {
return (OneToManyAssociation) field.getObjectAssociation();
}
@Override
public ObjectAdapter getParent() {
return field.getParent();
}
@Override
public ObjectSpecification getSpecification() {
return field.getSpecification();
}
@Override
public boolean isMandatory() {
return false;
}
@Override
public boolean isObject() {
return true;
}
@Override
public boolean isOptionEnabled() {
return false;
}
@Override
public boolean isTransient() {
return false;
}
@Override
public void contentMenuOptions(final UserActionSet options) {
// ObjectOption.menuOptions(element, options);
super.contentMenuOptions(options);
options.add(new ClearOneToManyAssociationOption());
}
@Override
public void setObject(final ObjectAdapter object) {
/*
* ObjectAdapter parentObject = getParent();
* OneToManyAssociationSpecification association =
* getOneToManyAssociation(); ObjectAdapter associatedObject =
* getObject(); LOG.debug("remove " + associatedObject + " from " +
* parentObject); association.clearAssociation(parentObject,
* associatedObject);
*/
}
@Override
public String title() {
return element.titleString();
}
@Override
public String toString() {
return getObject() + "/" + field.getObjectAssociation();
}
@Override
public String windowTitle() {
return field.getName() + " element" + " for " + field.getParent().titleString();
}
@Override
public String getId() {
return getOneToManyAssociation().getName();
}
@Override
public String getDescription() {
return field.getName() + ": " + getOneToManyAssociation().getDescription();
}
@Override
public String getHelp() {
return getOneToManyAssociation().getHelp();
}
}