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/*****************************************************************************
* Copyright (c) 2010 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:
* Patrick Tessier (CEA LIST) Patrick.tessier@cea.fr - Initial API and implementation
*
*****************************************************************************/
package org.eclipse.papyrus.restrictedservicecreation;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.gmf.runtime.common.core.command.CommandResult;
import org.eclipse.gmf.runtime.common.core.command.ICommand;
import org.eclipse.gmf.runtime.emf.type.core.commands.ConfigureElementCommand;
import org.eclipse.gmf.runtime.emf.type.core.requests.ConfigureRequest;
import org.eclipse.gmf.runtime.emf.type.core.requests.CreateElementRequest;
import org.eclipse.gmf.runtime.emf.type.core.requests.GetEditContextRequest;
import org.eclipse.gmf.runtime.emf.type.core.requests.IEditCommandRequest;
import org.eclipse.papyrus.service.creation.PapyrusEditHelperFilter;
import org.eclipse.papyrus.uml.service.creation.element.UMLElementTypes;
/**
* this is a filter used to allow the creation of a class or package in the context on a package,
* or to allow only the creation of a property in the context of a class
*
*/
public class FilterClassOnPackage extends PapyrusEditHelperFilter {
/**
* {@inheritDoc}
*/
protected ICommand getAfterConfigureCommand(final ConfigureRequest request) {
return new ConfigureElementCommand(request) {
protected CommandResult doExecuteWithResult(IProgressMonitor progressMonitor, IAdaptable info) throws ExecutionException {
return CommandResult.newOKCommandResult();
}
};
}
/**
* {@inheritDoc}
*/
public boolean validateRequest(IEditCommandRequest request) {
if(request instanceof GetEditContextRequest){
IEditCommandRequest subrequest= ((GetEditContextRequest)request).getEditCommandRequest();
if( subrequest instanceof CreateElementRequest){
//allow only creation of class or package into a package
if(((CreateElementRequest) subrequest).getContainer() instanceof org.eclipse.uml2.uml.Package){
if(((CreateElementRequest) subrequest).getElementType().equals(UMLElementTypes.CLASS)||
((CreateElementRequest) subrequest).getElementType().equals(UMLElementTypes.PACKAGE)){
return true;
}
}
//allow only creation of property into a class
if(((CreateElementRequest) subrequest).getContainer() instanceof org.eclipse.uml2.uml.Class){
if(((CreateElementRequest) subrequest).getElementType().equals(UMLElementTypes.PROPERTY)){
return true;
}
}
}
}
return false;
}
}
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