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/*****************************************************************************
* Copyright (c) 2009-2011 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:
* Yann Tanguy (CEA LIST) yann.tanguy@cea.fr - Initial API and implementation
*
*****************************************************************************/
package org.eclipse.papyrus.uml.diagram.composite.custom.edit.policies;
import org.eclipse.gef.commands.Command;
import org.eclipse.gef.commands.UnexecutableCommand;
import org.eclipse.gef.requests.GroupRequest;
import org.eclipse.gmf.runtime.diagram.ui.editpolicies.ViewComponentEditPolicy;
/**
* this editpolicy is used to prevent deletion from the diagram
*
*/
public class NoDeleteFromDiagramEditPolicy extends ViewComponentEditPolicy {
@Override
protected Command getDeleteCommand(GroupRequest request) {
return UnexecutableCommand.INSTANCE;
}
}
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