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/*******************************************************************************
* Copyright (c) 2006, 2008 Oracle. All rights reserved.
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v1.0, which accompanies this distribution
* and is available at http://www.eclipse.org/legal/epl-v10.html.
*
* Contributors:
* Oracle - initial API and implementation
******************************************************************************/
package org.eclipse.jpt.ui.internal.commands;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.core.commands.AbstractHandler;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jpt.core.context.orm.OrmPersistentAttribute;
import org.eclipse.jpt.core.context.orm.OrmPersistentType;
import org.eclipse.jpt.ui.internal.selection.DefaultJpaSelection;
import org.eclipse.jpt.ui.internal.selection.JpaSelectionManager;
import org.eclipse.jpt.ui.internal.selection.SelectionManagerFactory;
import org.eclipse.jpt.utility.internal.CollectionTools;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.handlers.HandlerUtil;
public class AddPersistentAttributeToXmlHandler extends AbstractHandler
{
@SuppressWarnings("unchecked")
public Object execute(ExecutionEvent executionEvent) throws ExecutionException {
final IWorkbenchWindow window =
HandlerUtil.getActiveWorkbenchWindowChecked(executionEvent);
final List<OrmPersistentAttribute> newAttributes = new ArrayList<OrmPersistentAttribute>();
IStructuredSelection selection =
(IStructuredSelection) HandlerUtil.getCurrentSelectionChecked(executionEvent);
// only applies for multiply selected OrmPersistentAttribute objects in a tree
for (OrmPersistentAttribute attribute : (Iterable<OrmPersistentAttribute>) CollectionTools.iterable(selection.iterator())) {
OrmPersistentType type = attribute.getPersistentType();
String attributeName = attribute.getName();
attribute.makeSpecified();
OrmPersistentAttribute newAttribute = type.getAttributeNamed(attributeName);
if (newAttribute != null) {
newAttributes.add(newAttribute);
}
}
if (newAttributes.size() == 1) {
window.getShell().getDisplay().asyncExec(
new Runnable() {
public void run() {
JpaSelectionManager selectionManager = SelectionManagerFactory.getSelectionManager(window);
selectionManager.select(new DefaultJpaSelection(newAttributes.get(0)), null);
}
});
}
return null;
}
}
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