/** | |
* <copyright> | |
* | |
* Copyright (c) 2013 itemis and others. | |
* All rights reserved. This program and the accompanying materials | |
* are made available under the terms of the Eclipse Public License v2.0 | |
* which accompanies this distribution, and is available at | |
* https://www.eclipse.org/org/documents/epl-2.0/EPL-2.0.html | |
* | |
* Contributors: | |
* itemis - Initial API and implementation | |
* | |
* </copyright> | |
*/ | |
package org.eclipse.sphinx.examples.hummingbird20.diagram.gmf.edit.policies; | |
import java.util.Iterator; | |
import org.eclipse.emf.ecore.EAnnotation; | |
import org.eclipse.gef.commands.Command; | |
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.requests.CreateRelationshipRequest; | |
import org.eclipse.gmf.runtime.emf.type.core.requests.DestroyElementRequest; | |
import org.eclipse.gmf.runtime.emf.type.core.requests.ReorientRelationshipRequest; | |
import org.eclipse.gmf.runtime.notation.Edge; | |
import org.eclipse.gmf.runtime.notation.View; | |
import org.eclipse.sphinx.examples.hummingbird20.diagram.gmf.edit.commands.ConnectionCreateCommand; | |
import org.eclipse.sphinx.examples.hummingbird20.diagram.gmf.edit.commands.ConnectionReorientCommand; | |
import org.eclipse.sphinx.examples.hummingbird20.diagram.gmf.edit.parts.ConnectionEditPart; | |
import org.eclipse.sphinx.examples.hummingbird20.diagram.gmf.part.Hummingbird20VisualIDRegistry; | |
import org.eclipse.sphinx.examples.hummingbird20.diagram.gmf.providers.Hummingbird20ElementTypes; | |
/** | |
* @generated | |
*/ | |
public class ComponentItemSemanticEditPolicy extends Hummingbird20BaseItemSemanticEditPolicy { | |
/** | |
* @generated | |
*/ | |
public ComponentItemSemanticEditPolicy() { | |
super(Hummingbird20ElementTypes.Component_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 (Hummingbird20VisualIDRegistry.getVisualID(incomingLink) == ConnectionEditPart.VISUAL_ID) { | |
DestroyElementRequest r = new DestroyElementRequest(incomingLink.getElement(), false); | |
cmd.add(new DestroyElementCommand(r)); | |
cmd.add(new DeleteCommand(getEditingDomain(), incomingLink)); | |
continue; | |
} | |
} | |
for (Iterator<?> it = view.getSourceEdges().iterator(); it.hasNext();) { | |
Edge outgoingLink = (Edge) it.next(); | |
if (Hummingbird20VisualIDRegistry.getVisualID(outgoingLink) == ConnectionEditPart.VISUAL_ID) { | |
DestroyElementRequest r = new DestroyElementRequest(outgoingLink.getElement(), false); | |
cmd.add(new DestroyElementCommand(r)); | |
cmd.add(new DeleteCommand(getEditingDomain(), outgoingLink)); | |
continue; | |
} | |
} | |
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 | |
cmd.add(new DestroyElementCommand(req)); | |
} else { | |
cmd.add(new DeleteCommand(getEditingDomain(), view)); | |
} | |
return getGEFWrapper(cmd.reduce()); | |
} | |
/** | |
* @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 (Hummingbird20ElementTypes.Connection_4001 == req.getElementType()) { | |
return getGEFWrapper(new ConnectionCreateCommand(req, req.getSource(), req.getTarget())); | |
} | |
return null; | |
} | |
/** | |
* @generated | |
*/ | |
protected Command getCompleteCreateRelationshipCommand(CreateRelationshipRequest req) { | |
if (Hummingbird20ElementTypes.Connection_4001 == req.getElementType()) { | |
return getGEFWrapper(new ConnectionCreateCommand(req, req.getSource(), req.getTarget())); | |
} | |
return null; | |
} | |
/** | |
* Returns command to reorient EClass based link. New link target or source should be the domain model element | |
* associated with this node. | |
* | |
* @generated | |
*/ | |
@Override | |
protected Command getReorientRelationshipCommand(ReorientRelationshipRequest req) { | |
switch (getVisualID(req)) { | |
case ConnectionEditPart.VISUAL_ID: | |
return getGEFWrapper(new ConnectionReorientCommand(req)); | |
} | |
return super.getReorientRelationshipCommand(req); | |
} | |
} |