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/*****************************************************************************
* Copyright (c) 2011 Atos Origin Integration - CEA LIST.
*
* 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:
* Tristan Faure (Atos Origin) tristan.faure@atos.net - Initial API and implementation
* Camille Letavernier (CEA LIST) camille.letavernier@cea.fr
*****************************************************************************/
package org.eclipse.papyrus.infra.onefile.internal.ui.providers;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.List;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.core.runtime.Platform;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.ui.actions.ActionContext;
import org.eclipse.ui.internal.navigator.resources.actions.EditActionProvider;
/**
* An edit action provider to provide Copy/Paste/Delete on sub resources
*
* @author Tristan Faure
*
*/
@SuppressWarnings("restriction")
public class SubresourceFileActionProvider extends EditActionProvider {
@Override
public void setContext(ActionContext context) {
// TODO Auto-generated method stub
List<Object> resources = new LinkedList<Object>();
if (context.getSelection() instanceof IStructuredSelection) {
IStructuredSelection contextSelec = (IStructuredSelection) context.getSelection();
for (Iterator<?> i = contextSelec.iterator(); i.hasNext();) {
Object o = i.next();
IResource res = adapt(o, IResource.class);
if (res != null) {
resources.add(res);
}
}
}
if (!resources.isEmpty()) {
ISelection selec = new StructuredSelection(resources);
super.setContext(new ActionContext(selec));
} else {
super.setContext(context);
}
}
@SuppressWarnings("unchecked")
public <T> T adapt(Object o, Class<T> aClass) {
T result = null;
if (aClass.isInstance(o)) {
result = (T) o;
}
if (o instanceof IAdaptable) {
IAdaptable adaptable = (IAdaptable) o;
result = (T) adaptable.getAdapter(aClass);
}
if (result == null) {
result = (T) Platform.getAdapterManager().getAdapter(o, aClass);
}
return result;
}
}
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