/*
* 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.edit;
import org.apache.isis.core.metamodel.adapter.ObjectAdapter;
import org.apache.isis.core.metamodel.spec.ObjectSpecification;
import org.apache.isis.core.metamodel.spec.feature.OneToManyAssociation;
import org.apache.isis.viewer.html.action.Action;
import org.apache.isis.viewer.html.component.Page;
import org.apache.isis.viewer.html.context.Context;
import org.apache.isis.viewer.html.request.ForwardRequest;
import org.apache.isis.viewer.html.request.Request;
public class RemoveItemFromCollection implements Action {
@Override
public void execute(final Request request, final Context context, final Page page) {
final String objectId = request.getObjectId();
final String elementId = request.getElementId();
final String collectionField = request.getProperty();
final ObjectAdapter target = context.getMappedObject(objectId);
final ObjectAdapter element = context.getMappedObject(elementId);
final ObjectSpecification specification = target.getSpecification();
final OneToManyAssociation field = (OneToManyAssociation) specification.getAssociation(collectionField);
field.removeElement(target, element);
request.forward(ForwardRequest.viewObject(objectId, collectionField));
}
@Override
public String name() {
return "remove";
}
}