/*
* 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.option;
import org.apache.isis.core.metamodel.adapter.ObjectAdapter;
import org.apache.isis.core.metamodel.consent.Allow;
import org.apache.isis.core.metamodel.consent.Consent;
import org.apache.isis.core.metamodel.consent.Veto;
import org.apache.isis.core.metamodel.spec.ActionType;
import org.apache.isis.core.runtime.system.context.IsisContext;
import org.apache.isis.core.runtime.system.persistence.Persistor;
import org.apache.isis.core.runtime.system.transaction.UpdateNotifier;
import org.apache.isis.viewer.dnd.drawing.Location;
import org.apache.isis.viewer.dnd.view.ObjectContent;
import org.apache.isis.viewer.dnd.view.View;
import org.apache.isis.viewer.dnd.view.Workspace;
/**
* Destroy this object
*/
public class DisposeObjectOption extends UserActionAbstract {
public DisposeObjectOption() {
super("Dispose Object", ActionType.EXPLORATION);
}
@Override
public Consent disabled(final View view) {
final ObjectAdapter adapter = view.getContent().getAdapter();
if (adapter.isDestroyed()) {
// TODO: move logic into Facet
return new Veto("Can't do anything with a destroyed object");
}
if (isObjectInRootView(view)) {
return Allow.DEFAULT;
} else {
// TODO: move logic into Facet
return new Veto("Can't dispose an object from within another view.");
}
}
private boolean isObjectInRootView(final View view) {
final View rootView = rootView(view);
return view.getContent() == rootView.getContent();
}
private View rootView(final View view) {
final View parent = view.getParent();
if (view.getWorkspace() == parent) {
return view;
} else {
return rootView(parent);
}
}
@Override
public void execute(final Workspace workspace, final View view, final Location at) {
final ObjectAdapter object = ((ObjectContent) view.getContent()).getObject();
// xactn mgmt now done by PersistenceSession#destroyObject()
// getTransactionManager().startTransaction();
getPersistenceSession().destroyObject(object);
// getTransactionManager().endTransaction();
getUpdateNotifier().addDisposedObject(object);
view.getViewManager().disposeUnneededViews();
view.getFeedbackManager().showMessagesAndWarnings();
}
// /////////////////////////////////////////////////////
// Dependencies (from context)
// /////////////////////////////////////////////////////
private static Persistor getPersistenceSession() {
return IsisContext.getPersistenceSession();
}
private static UpdateNotifier getUpdateNotifier() {
return IsisContext.getUpdateNotifier();
}
}