/**
* This file is protected by Copyright.
* Please refer to the COPYRIGHT file distributed with this source distribution.
*
* This file is part of REDHAWK IDE.
*
* 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.
*
*/
// BEGIN GENERATED CODE
package mil.jpeojtrs.sca.dcd.diagram.edit.policies;
import java.util.Iterator;
import mil.jpeojtrs.sca.dcd.diagram.edit.commands.ComponentSupportedInterfaceStubCreateCommand;
import mil.jpeojtrs.sca.dcd.diagram.edit.commands.ProvidesPortStubCreateCommand;
import mil.jpeojtrs.sca.dcd.diagram.edit.commands.UsesPortStubCreateCommand;
import mil.jpeojtrs.sca.dcd.diagram.edit.parts.ComponentSupportedInterfaceStubEditPart;
import mil.jpeojtrs.sca.dcd.diagram.edit.parts.DcdConnectInterfaceEditPart;
import mil.jpeojtrs.sca.dcd.diagram.edit.parts.ProvidesPortStubEditPart;
import mil.jpeojtrs.sca.dcd.diagram.edit.parts.UsesPortStubEditPart;
import mil.jpeojtrs.sca.dcd.diagram.part.DcdVisualIDRegistry;
import mil.jpeojtrs.sca.dcd.diagram.providers.DcdElementTypes;
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.requests.CreateElementRequest;
import org.eclipse.gmf.runtime.emf.type.core.requests.DestroyElementRequest;
import org.eclipse.gmf.runtime.notation.Edge;
import org.eclipse.gmf.runtime.notation.Node;
import org.eclipse.gmf.runtime.notation.View;
/**
* @generated
*/
public class DcdComponentInstantiationItemSemanticEditPolicy extends
DcdBaseItemSemanticEditPolicy {
/**
* @generated
*/
public DcdComponentInstantiationItemSemanticEditPolicy() {
super(DcdElementTypes.DcdComponentInstantiation_3002);
}
/**
* @generated
*/
protected Command getCreateCommand(CreateElementRequest req) {
if (DcdElementTypes.UsesPortStub_3003 == req.getElementType()) {
return getGEFWrapper(new UsesPortStubCreateCommand(req));
}
if (DcdElementTypes.ProvidesPortStub_3004 == req.getElementType()) {
return getGEFWrapper(new ProvidesPortStubCreateCommand(req));
}
if (DcdElementTypes.ComponentSupportedInterfaceStub_3005 == req
.getElementType()) {
return getGEFWrapper(new ComponentSupportedInterfaceStubCreateCommand(
req));
}
return super.getCreateCommand(req);
}
/**
* @generated
*/
protected Command getDestroyElementCommand(DestroyElementRequest req) {
View view = (View) getHost().getModel();
CompositeTransactionalCommand cmd = new CompositeTransactionalCommand(
getEditingDomain(), null);
cmd.setTransactionNestingEnabled(false);
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 (DcdVisualIDRegistry.getVisualID(node)) {
case UsesPortStubEditPart.VISUAL_ID:
for (Iterator<?> it = node.getSourceEdges().iterator(); it
.hasNext();) {
Edge outgoingLink = (Edge) it.next();
if (DcdVisualIDRegistry.getVisualID(outgoingLink) == DcdConnectInterfaceEditPart.VISUAL_ID) {
DestroyElementRequest r = new DestroyElementRequest(
outgoingLink.getElement(), false);
cmd.add(new DestroyElementCommand(r));
cmd.add(new DeleteCommand(getEditingDomain(),
outgoingLink));
continue;
}
}
cmd.add(new DestroyElementCommand(new DestroyElementRequest(
getEditingDomain(), node.getElement(), false))); // directlyOwned: true
// don't need explicit deletion of node as parent's view deletion would clean child views as well
// cmd.add(new org.eclipse.gmf.runtime.diagram.core.commands.DeleteCommand(getEditingDomain(), node));
break;
case ProvidesPortStubEditPart.VISUAL_ID:
for (Iterator<?> it = node.getTargetEdges().iterator(); it
.hasNext();) {
Edge incomingLink = (Edge) it.next();
if (DcdVisualIDRegistry.getVisualID(incomingLink) == DcdConnectInterfaceEditPart.VISUAL_ID) {
DestroyElementRequest r = new DestroyElementRequest(
incomingLink.getElement(), false);
cmd.add(new DestroyElementCommand(r));
cmd.add(new DeleteCommand(getEditingDomain(),
incomingLink));
continue;
}
}
cmd.add(new DestroyElementCommand(new DestroyElementRequest(
getEditingDomain(), node.getElement(), false))); // directlyOwned: true
// don't need explicit deletion of node as parent's view deletion would clean child views as well
// cmd.add(new org.eclipse.gmf.runtime.diagram.core.commands.DeleteCommand(getEditingDomain(), node));
break;
case ComponentSupportedInterfaceStubEditPart.VISUAL_ID:
for (Iterator<?> it = node.getTargetEdges().iterator(); it
.hasNext();) {
Edge incomingLink = (Edge) it.next();
if (DcdVisualIDRegistry.getVisualID(incomingLink) == DcdConnectInterfaceEditPart.VISUAL_ID) {
DestroyElementRequest r = new DestroyElementRequest(
incomingLink.getElement(), false);
cmd.add(new DestroyElementCommand(r));
cmd.add(new DeleteCommand(getEditingDomain(),
incomingLink));
continue;
}
}
cmd.add(new DestroyElementCommand(new DestroyElementRequest(
getEditingDomain(), node.getElement(), false))); // directlyOwned: true
// don't need explicit deletion of node as parent's view deletion would clean child views as well
// cmd.add(new org.eclipse.gmf.runtime.diagram.core.commands.DeleteCommand(getEditingDomain(), node));
break;
}
}
}
}