/**
* 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.model.models;
import java.io.Serializable;
import org.apache.wicket.model.Model;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.apache.isis.core.metamodel.adapter.mgr.AdapterManager.ConcurrencyChecking;
import org.apache.isis.viewer.wicket.model.mementos.ObjectAdapterMemento;
/**
* For widgets that use a <tt>com.vaynberg.wicket.select2.Select2Choice</tt>;
* synchronizes the {@link Model} of the <tt>Select2Choice</tt>
* with the parent {@link ScalarModel}, allowing also for pending values.
*/
public interface ScalarModelWithPending extends Serializable {
public ObjectAdapterMemento getPending();
public void setPending(ObjectAdapterMemento pending);
public ScalarModel getScalarModel();
static class Util {
private static final Logger LOG = LoggerFactory.getLogger(ScalarModelWithPending.Util.class);
public static Model<ObjectAdapterMemento> createModel(final ScalarModelWithPending owner) {
return new Model<ObjectAdapterMemento>() {
private static final long serialVersionUID = 1L;
@Override
public ObjectAdapterMemento getObject() {
if (owner.getPending() != null) {
if (LOG.isDebugEnabled()) {
LOG.debug("pending not null: " + owner.getPending().toString());
}
return owner.getPending();
}
if (LOG.isDebugEnabled()) {
LOG.debug("pending is null");
}
final ObjectAdapterMemento objectAdapterMemento = owner.getScalarModel().getObjectAdapterMemento();
owner.setPending(objectAdapterMemento);
return objectAdapterMemento;
}
@Override
public void setObject(final ObjectAdapterMemento adapterMemento) {
if (LOG.isDebugEnabled()) {
LOG.debug("setting to: " + adapterMemento!=null?adapterMemento.toString():null);
}
owner.setPending(adapterMemento);
if (owner.getScalarModel() != null && owner.getPending() != null) {
if (LOG.isDebugEnabled()) {
LOG.debug("setting to pending: " + owner.getPending().toString());
}
owner.getScalarModel().setObject(owner.getPending().getObjectAdapter(ConcurrencyChecking.NO_CHECK));
}
}
};
}
}
}