/**
* Copyright 2010 The University of North Carolina at Chapel Hill
*
* Licensed 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 unc.lib.cdr.workbench.xwalk;
import org.eclipse.gmf.runtime.common.core.command.ICommand;
import org.eclipse.gmf.runtime.emf.type.core.edithelper.AbstractEditHelperAdvice;
import org.eclipse.gmf.runtime.emf.type.core.edithelper.IEditHelperAdvice;
import org.eclipse.gmf.runtime.emf.type.core.requests.CreateElementRequest;
import crosswalk.MappedElement;
import crosswalk.diagram.providers.CrosswalkElementTypes;
public class MapAttributeAdvice extends AbstractEditHelperAdvice implements IEditHelperAdvice {
@Override
protected ICommand getBeforeCreateCommand(final CreateElementRequest request) {
if (isRelevant(request)) {
return new PickMappedFeatureCommand(request);
}
return null;
}
@Override
protected ICommand getAfterCreateCommand(final CreateElementRequest request) {
if (isRelevant(request)) {
return new SetMappedFeatureCommand(request);
}
return null;
}
/**
* This is required to such that we don't return commands for the wrong element types, causing meaningless prompts the
* unspecified create type request.
* @param request
* @return
*/
private static boolean isRelevant(CreateElementRequest request) {
if(request.getContainer() instanceof MappedElement &&
request.getElementType() == CrosswalkElementTypes.MappedAttribute_3009) {
return true;
}
return false;
}
}