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package org.eclipse.papyrus.example.diagram.simplediagram.edit.policies;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.emf.ecore.EAnnotation;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.edit.command.DeleteCommand;
import org.eclipse.gef.commands.Command;
import org.eclipse.gmf.runtime.emf.commands.core.command.CompositeTransactionalCommand;
import org.eclipse.gmf.runtime.emf.type.core.requests.DestroyElementRequest;
import org.eclipse.gmf.runtime.notation.View;
import org.eclipse.papyrus.diagram.common.command.wrappers.EMFtoGMFCommandWrapper;
import org.eclipse.papyrus.example.diagram.simplediagram.providers.UMLElementTypes;
/**
* @generated
*/
public class ComponentItemSemanticEditPolicy extends
UMLBaseItemSemanticEditPolicy {
/**
* @generated
*/
public ComponentItemSemanticEditPolicy() {
super(UMLElementTypes.Component_2001);
}
/**
* @generated
*/
protected Command getDestroyElementCommand(DestroyElementRequest req) {
View view = (View) getHost().getModel();
CompositeTransactionalCommand cmd = new CompositeTransactionalCommand(
getEditingDomain(), null);
cmd.setTransactionNestingEnabled(true);
EAnnotation annotation = view.getEAnnotation("Shortcut"); //$NON-NLS-1$
if (annotation == null) {
// there are indirectly referenced children, need extra commands: false
addDestroyShortcutsCommand(cmd, view);
// delete host element
List<EObject> todestroy = new ArrayList<EObject>();
todestroy.add(req.getElementToDestroy());
//cmd.add(new org.eclipse.gmf.runtime.emf.type.core.commands.DestroyElementCommand(req));
cmd.add(new EMFtoGMFCommandWrapper(new DeleteCommand(
getEditingDomain(), todestroy)));
} else {
cmd.add(new org.eclipse.gmf.runtime.diagram.core.commands.DeleteCommand(
getEditingDomain(), view));
}
return getGEFWrapper(cmd.reduce());
}
}
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