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/*
* Copyright (c) 2010, 2012, 2015, 2016 Eike Stepper (Berlin, Germany) and others.
* 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:
* Martin Fluegge - initial API and implementation
*
*/
package org.eclipse.emf.cdo.dawn.examples.acore.diagram.edit.policies;
import org.eclipse.emf.cdo.dawn.examples.acore.diagram.edit.commands.AClassImplementedInterfacesCreateCommand;
import org.eclipse.emf.cdo.dawn.examples.acore.diagram.edit.commands.AClassImplementedInterfacesReorientCommand;
import org.eclipse.emf.cdo.dawn.examples.acore.diagram.edit.parts.AAttributeEditPart;
import org.eclipse.emf.cdo.dawn.examples.acore.diagram.edit.parts.AClassImplementedInterfacesEditPart;
import org.eclipse.emf.cdo.dawn.examples.acore.diagram.edit.parts.AInterfaceAAttributeInterfaceCompartmentEditPart;
import org.eclipse.emf.cdo.dawn.examples.acore.diagram.edit.parts.AInterfaceAOperationInterfaceCompartmentEditPart;
import org.eclipse.emf.cdo.dawn.examples.acore.diagram.edit.parts.AOperationEditPart;
import org.eclipse.emf.cdo.dawn.examples.acore.diagram.part.AcoreVisualIDRegistry;
import org.eclipse.emf.cdo.dawn.examples.acore.diagram.providers.AcoreElementTypes;
import org.eclipse.emf.ecore.EAnnotation;
import org.eclipse.gef.commands.Command;
import org.eclipse.gmf.runtime.common.core.command.ICompositeCommand;
import org.eclipse.gmf.runtime.diagram.core.commands.DeleteCommand;
import org.eclipse.gmf.runtime.emf.commands.core.command.CompositeTransactionalCommand;
import org.eclipse.gmf.runtime.emf.type.core.commands.DestroyElementCommand;
import org.eclipse.gmf.runtime.emf.type.core.commands.DestroyReferenceCommand;
import org.eclipse.gmf.runtime.emf.type.core.requests.CreateRelationshipRequest;
import org.eclipse.gmf.runtime.emf.type.core.requests.DestroyElementRequest;
import org.eclipse.gmf.runtime.emf.type.core.requests.DestroyReferenceRequest;
import org.eclipse.gmf.runtime.emf.type.core.requests.ReorientReferenceRelationshipRequest;
import org.eclipse.gmf.runtime.notation.Edge;
import org.eclipse.gmf.runtime.notation.Node;
import org.eclipse.gmf.runtime.notation.View;
import java.util.Iterator;
/**
* @generated
*/
public class AInterfaceItemSemanticEditPolicy extends AcoreBaseItemSemanticEditPolicy
{
/**
* @generated
*/
public AInterfaceItemSemanticEditPolicy()
{
super(AcoreElementTypes.AInterface_2001);
}
/**
* @generated
*/
@Override
protected Command getDestroyElementCommand(DestroyElementRequest req)
{
View view = (View)getHost().getModel();
CompositeTransactionalCommand cmd = new CompositeTransactionalCommand(getEditingDomain(), null);
cmd.setTransactionNestingEnabled(false);
for (Iterator it = view.getTargetEdges().iterator(); it.hasNext();)
{
Edge incomingLink = (Edge)it.next();
if (AcoreVisualIDRegistry.getVisualID(incomingLink) == AClassImplementedInterfacesEditPart.VISUAL_ID)
{
DestroyReferenceRequest r = new DestroyReferenceRequest(incomingLink.getSource().getElement(), null, incomingLink.getTarget().getElement(), false);
cmd.add(new DestroyReferenceCommand(r));
cmd.add(new DeleteCommand(getEditingDomain(), incomingLink));
continue;
}
}
EAnnotation annotation = view.getEAnnotation("Shortcut"); //$NON-NLS-1$
if (annotation == null)
{
// there are indirectly referenced children, need extra commands: false
addDestroyChildNodesCommand(cmd);
addDestroyShortcutsCommand(cmd, view);
// delete host element
cmd.add(new DestroyElementCommand(req));
}
else
{
cmd.add(new DeleteCommand(getEditingDomain(), view));
}
return getGEFWrapper(cmd.reduce());
}
/**
* @generated
*/
private void addDestroyChildNodesCommand(ICompositeCommand cmd)
{
View view = (View)getHost().getModel();
for (Iterator nit = view.getChildren().iterator(); nit.hasNext();)
{
Node node = (Node)nit.next();
switch (AcoreVisualIDRegistry.getVisualID(node))
{
case AInterfaceAAttributeInterfaceCompartmentEditPart.VISUAL_ID:
for (Iterator cit = node.getChildren().iterator(); cit.hasNext();)
{
Node cnode = (Node)cit.next();
switch (AcoreVisualIDRegistry.getVisualID(cnode))
{
case AAttributeEditPart.VISUAL_ID:
cmd.add(new DestroyElementCommand(new DestroyElementRequest(getEditingDomain(), cnode.getElement(), false))); // directlyOwned:
// true
// don't need explicit deletion of cnode as parent's view deletion would clean child views as well
// cmd.add(new org.eclipse.gmf.runtime.diagram.core.commands.DeleteCommand(getEditingDomain(), cnode));
break;
}
}
break;
case AInterfaceAOperationInterfaceCompartmentEditPart.VISUAL_ID:
for (Iterator cit = node.getChildren().iterator(); cit.hasNext();)
{
Node cnode = (Node)cit.next();
switch (AcoreVisualIDRegistry.getVisualID(cnode))
{
case AOperationEditPart.VISUAL_ID:
cmd.add(new DestroyElementCommand(new DestroyElementRequest(getEditingDomain(), cnode.getElement(), false))); // directlyOwned:
// true
// don't need explicit deletion of cnode as parent's view deletion would clean child views as well
// cmd.add(new org.eclipse.gmf.runtime.diagram.core.commands.DeleteCommand(getEditingDomain(), cnode));
break;
}
}
break;
}
}
}
/**
* @generated
*/
@Override
protected Command getCreateRelationshipCommand(CreateRelationshipRequest req)
{
Command command = req.getTarget() == null ? getStartCreateRelationshipCommand(req) : getCompleteCreateRelationshipCommand(req);
return command != null ? command : super.getCreateRelationshipCommand(req);
}
/**
* @generated
*/
protected Command getStartCreateRelationshipCommand(CreateRelationshipRequest req)
{
if (AcoreElementTypes.AClassImplementedInterfaces_4002 == req.getElementType())
{
return null;
}
return null;
}
/**
* @generated
*/
protected Command getCompleteCreateRelationshipCommand(CreateRelationshipRequest req)
{
if (AcoreElementTypes.AClassImplementedInterfaces_4002 == req.getElementType())
{
return getGEFWrapper(new AClassImplementedInterfacesCreateCommand(req, req.getSource(), req.getTarget()));
}
return null;
}
/**
* Returns command to reorient EReference based link. New link target or source should be the domain model element
* associated with this node.
*
* @generated
*/
@Override
protected Command getReorientReferenceRelationshipCommand(ReorientReferenceRelationshipRequest req)
{
switch (getVisualID(req))
{
case AClassImplementedInterfacesEditPart.VISUAL_ID:
return getGEFWrapper(new AClassImplementedInterfacesReorientCommand(req));
}
return super.getReorientReferenceRelationshipCommand(req);
}
}
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