/*
* 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.scalars;
import java.io.Serializable;
import org.apache.wicket.markup.html.form.TextField;
import org.apache.wicket.model.Model;
import org.apache.isis.core.metamodel.adapter.ObjectAdapter;
import org.apache.isis.core.metamodel.adapter.mgr.AdapterManager;
import org.apache.isis.viewer.wicket.model.models.ScalarModel;
/**
* For custom {@link ScalarPanelTextFieldAbstract}s to use as the {@link Model}
* of their {@link TextField} (as constructed in {@link ScalarPanelTextFieldAbstract#createTextFieldForRegular()}).
*/
public class TextFieldValueModel<T extends Serializable> extends Model<T> {
private static final long serialVersionUID = 1L;
public interface ScalarModelProvider {
ScalarModel getModel();
AdapterManager getAdapterManager();
}
private final ScalarModelProvider scalarModelProvider;
public TextFieldValueModel(ScalarModelProvider scalarModelProvider) {
this.scalarModelProvider = scalarModelProvider;
}
@Override
public T getObject() {
final ScalarModel model = scalarModelProvider.getModel();
final ObjectAdapter objectAdapter = model.getObject();
return asT(objectAdapter);
}
@SuppressWarnings("unchecked")
private T asT(final ObjectAdapter objectAdapter) {
return (T) (objectAdapter != null? objectAdapter.getObject(): null);
}
@Override
public void setObject(final T object) {
if (object == null) {
scalarModelProvider.getModel().setObject(null);
} else {
final ObjectAdapter objectAdapter = scalarModelProvider.getAdapterManager().adapterFor(object);
scalarModelProvider.getModel().setObject(objectAdapter);
}
}
}