/*
* Copyright (c) 2006, 2007 Borland Software Corporation
*
* 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:
* Dmitry Stadnik (Borland) - initial API and implementation
*/
package org.eclipse.gmf.examples.taipan.gmf.editor.edit.policies;
import java.util.Iterator;
import org.eclipse.emf.ecore.EAnnotation;
import org.eclipse.gef.commands.Command;
import org.eclipse.gef.commands.CompoundCommand;
import org.eclipse.gmf.examples.taipan.gmf.editor.edit.commands.EscortShipsOrderCreateCommand;
import org.eclipse.gmf.examples.taipan.gmf.editor.edit.commands.EscortShipsOrderReorientCommand;
import org.eclipse.gmf.examples.taipan.gmf.editor.edit.commands.PortRegisterCreateCommand;
import org.eclipse.gmf.examples.taipan.gmf.editor.edit.commands.PortRegisterReorientCommand;
import org.eclipse.gmf.examples.taipan.gmf.editor.edit.commands.ShipDestinationCreateCommand;
import org.eclipse.gmf.examples.taipan.gmf.editor.edit.commands.ShipDestinationReorientCommand;
import org.eclipse.gmf.examples.taipan.gmf.editor.edit.commands.ShipRouteCreateCommand;
import org.eclipse.gmf.examples.taipan.gmf.editor.edit.commands.ShipRouteReorientCommand;
import org.eclipse.gmf.examples.taipan.gmf.editor.edit.parts.EmptyBoxEditPart;
import org.eclipse.gmf.examples.taipan.gmf.editor.edit.parts.EscortShipsOrderEditPart;
import org.eclipse.gmf.examples.taipan.gmf.editor.edit.parts.LargeItemEditPart;
import org.eclipse.gmf.examples.taipan.gmf.editor.edit.parts.PortRegisterEditPart;
import org.eclipse.gmf.examples.taipan.gmf.editor.edit.parts.ShipDestinationEditPart;
import org.eclipse.gmf.examples.taipan.gmf.editor.edit.parts.ShipLargeCargoEditPart;
import org.eclipse.gmf.examples.taipan.gmf.editor.edit.parts.ShipRouteEditPart;
import org.eclipse.gmf.examples.taipan.gmf.editor.edit.parts.ShipSmallCargoEditPart;
import org.eclipse.gmf.examples.taipan.gmf.editor.edit.parts.SmallItemsEditPart;
import org.eclipse.gmf.examples.taipan.gmf.editor.part.TaiPanVisualIDRegistry;
import org.eclipse.gmf.examples.taipan.gmf.editor.providers.TaiPanElementTypes;
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.emf.type.core.requests.ReorientRelationshipRequest;
import org.eclipse.gmf.runtime.notation.Edge;
import org.eclipse.gmf.runtime.notation.Node;
import org.eclipse.gmf.runtime.notation.View;
/**
* @generated
*/
public class ShipItemSemanticEditPolicy extends TaiPanBaseItemSemanticEditPolicy {
/**
* @generated
*/
public ShipItemSemanticEditPolicy() {
super(TaiPanElementTypes.Ship_2002);
}
/**
* @generated
*/
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 (TaiPanVisualIDRegistry.getVisualID(incomingLink) == EscortShipsOrderEditPart.VISUAL_ID) {
DestroyElementRequest r = new DestroyElementRequest(incomingLink.getElement(), false);
cmd.add(new DestroyElementCommand(r));
cmd.add(new DeleteCommand(getEditingDomain(), incomingLink));
continue;
}
if (TaiPanVisualIDRegistry.getVisualID(incomingLink) == PortRegisterEditPart.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;
}
}
for (Iterator<?> it = view.getSourceEdges().iterator(); it.hasNext();) {
Edge outgoingLink = (Edge) it.next();
if (TaiPanVisualIDRegistry.getVisualID(outgoingLink) == ShipDestinationEditPart.VISUAL_ID) {
DestroyReferenceRequest r = new DestroyReferenceRequest(outgoingLink.getSource().getElement(), null, outgoingLink.getTarget().getElement(), false);
cmd.add(new DestroyReferenceCommand(r));
cmd.add(new DeleteCommand(getEditingDomain(), outgoingLink));
continue;
}
if (TaiPanVisualIDRegistry.getVisualID(outgoingLink) == ShipRouteEditPart.VISUAL_ID) {
DestroyReferenceRequest r = new DestroyReferenceRequest(outgoingLink.getSource().getElement(), null, outgoingLink.getTarget().getElement(), false);
cmd.add(new DestroyReferenceCommand(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
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 (TaiPanVisualIDRegistry.getVisualID(node)) {
case ShipSmallCargoEditPart.VISUAL_ID:
for (Iterator<?> cit = node.getChildren().iterator(); cit.hasNext();) {
Node cnode = (Node) cit.next();
switch (TaiPanVisualIDRegistry.getVisualID(cnode)) {
case SmallItemsEditPart.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 ShipLargeCargoEditPart.VISUAL_ID:
for (Iterator<?> cit = node.getChildren().iterator(); cit.hasNext();) {
Node cnode = (Node) cit.next();
switch (TaiPanVisualIDRegistry.getVisualID(cnode)) {
case LargeItemEditPart.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;
case EmptyBoxEditPart.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
*/
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 (TaiPanElementTypes.ShipDestination_4001 == req.getElementType()) {
return getGEFWrapper(new ShipDestinationCreateCommand(req, req.getSource(), req.getTarget()));
}
if (TaiPanElementTypes.ShipRoute_4004 == req.getElementType()) {
return getGEFWrapper(new ShipRouteCreateCommand(req, req.getSource(), req.getTarget()));
}
if (TaiPanElementTypes.EscortShipsOrder_4006 == req.getElementType()) {
return getGEFWrapper(new EscortShipsOrderCreateCommand(req, req.getTarget(), req.getSource()));
}
if (TaiPanElementTypes.PortRegister_4007 == req.getElementType()) {
return getGEFWrapper(new PortRegisterCreateCommand(req, req.getTarget(), req.getSource()));
}
return null;
}
/**
* @generated
*/
protected Command getCompleteCreateRelationshipCommand(CreateRelationshipRequest req) {
if (TaiPanElementTypes.ShipDestination_4001 == req.getElementType()) {
return null;
}
if (TaiPanElementTypes.ShipRoute_4004 == req.getElementType()) {
return null;
}
if (TaiPanElementTypes.EscortShipsOrder_4006 == req.getElementType()) {
return getGEFWrapper(new EscortShipsOrderCreateCommand(req, req.getSource(), req.getTarget()));
}
if (TaiPanElementTypes.PortRegister_4007 == req.getElementType()) {
return getGEFWrapper(new PortRegisterCreateCommand(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
*/
protected Command getReorientRelationshipCommand(ReorientRelationshipRequest req) {
switch (getVisualID(req)) {
case EscortShipsOrderEditPart.VISUAL_ID:
return getGEFWrapper(new EscortShipsOrderReorientCommand(req));
}
return super.getReorientRelationshipCommand(req);
}
/**
* Returns command to reorient EReference based link. New link target or source
* should be the domain model element associated with this node.
*
* @generated
*/
protected Command getReorientReferenceRelationshipCommand(ReorientReferenceRelationshipRequest req) {
switch (getVisualID(req)) {
case ShipDestinationEditPart.VISUAL_ID:
return getGEFWrapper(new ShipDestinationReorientCommand(req));
case ShipRouteEditPart.VISUAL_ID:
return getGEFWrapper(new ShipRouteReorientCommand(req));
case PortRegisterEditPart.VISUAL_ID:
return getGEFWrapper(new PortRegisterReorientCommand(req));
}
return super.getReorientReferenceRelationshipCommand(req);
}
}