/*
* Copyright (c) 2010 National Aeronautics and Space Administration. All rights reserved.
*/
package net.certware.argument.euz.diagram.edit.policies;
import java.util.Iterator;
import net.certware.argument.euz.diagram.edit.commands.ArgumentArgumentContextsCreateCommand;
import net.certware.argument.euz.diagram.edit.commands.ArgumentArgumentContextsReorientCommand;
import net.certware.argument.euz.diagram.edit.commands.ContextContextAssumptionsCreateCommand;
import net.certware.argument.euz.diagram.edit.commands.ContextContextAssumptionsReorientCommand;
import net.certware.argument.euz.diagram.edit.commands.CriteriaCriteriaContextsCreateCommand;
import net.certware.argument.euz.diagram.edit.commands.CriteriaCriteriaContextsReorientCommand;
import net.certware.argument.euz.diagram.edit.commands.SolutionSolutionContextsCreateCommand;
import net.certware.argument.euz.diagram.edit.commands.SolutionSolutionContextsReorientCommand;
import net.certware.argument.euz.diagram.edit.commands.StrategyStrategyContextsCreateCommand;
import net.certware.argument.euz.diagram.edit.commands.StrategyStrategyContextsReorientCommand;
import net.certware.argument.euz.diagram.edit.parts.ArgumentArgumentContextsEditPart;
import net.certware.argument.euz.diagram.edit.parts.ContextContextAssumptionsEditPart;
import net.certware.argument.euz.diagram.edit.parts.CriteriaCriteriaContextsEditPart;
import net.certware.argument.euz.diagram.edit.parts.SolutionSolutionContextsEditPart;
import net.certware.argument.euz.diagram.edit.parts.StrategyStrategyContextsEditPart;
import net.certware.argument.euz.diagram.part.EuzVisualIDRegistry;
import net.certware.argument.euz.diagram.providers.EuzElementTypes;
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.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.View;
/**
* @generated
*/
public class ContextItemSemanticEditPolicy extends
EuzBaseItemSemanticEditPolicy {
/**
* @generated
*/
public ContextItemSemanticEditPolicy() {
super(EuzElementTypes.Context_2007);
}
/**
* @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 (EuzVisualIDRegistry.getVisualID(incomingLink) == ArgumentArgumentContextsEditPart.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;
}
if (EuzVisualIDRegistry.getVisualID(incomingLink) == CriteriaCriteriaContextsEditPart.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;
}
if (EuzVisualIDRegistry.getVisualID(incomingLink) == StrategyStrategyContextsEditPart.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;
}
if (EuzVisualIDRegistry.getVisualID(incomingLink) == SolutionSolutionContextsEditPart.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 (EuzVisualIDRegistry.getVisualID(outgoingLink) == ContextContextAssumptionsEditPart.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
addDestroyShortcutsCommand(cmd, view);
// delete host element
cmd.add(new DestroyElementCommand(req));
} else {
cmd.add(new DeleteCommand(getEditingDomain(), view));
}
return getGEFWrapper(cmd.reduce());
}
/**
* @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 (EuzElementTypes.ArgumentArgumentContexts_4003 == req
.getElementType()) {
return null;
}
if (EuzElementTypes.ContextContextAssumptions_4007 == req
.getElementType()) {
return getGEFWrapper(new ContextContextAssumptionsCreateCommand(
req, req.getSource(), req.getTarget()));
}
if (EuzElementTypes.CriteriaCriteriaContexts_4008 == req
.getElementType()) {
return null;
}
if (EuzElementTypes.StrategyStrategyContexts_4019 == req
.getElementType()) {
return null;
}
if (EuzElementTypes.SolutionSolutionContexts_4014 == req
.getElementType()) {
return null;
}
return null;
}
/**
* @generated
*/
protected Command getCompleteCreateRelationshipCommand(
CreateRelationshipRequest req) {
if (EuzElementTypes.ArgumentArgumentContexts_4003 == req
.getElementType()) {
return getGEFWrapper(new ArgumentArgumentContextsCreateCommand(req,
req.getSource(), req.getTarget()));
}
if (EuzElementTypes.ContextContextAssumptions_4007 == req
.getElementType()) {
return null;
}
if (EuzElementTypes.CriteriaCriteriaContexts_4008 == req
.getElementType()) {
return getGEFWrapper(new CriteriaCriteriaContextsCreateCommand(req,
req.getSource(), req.getTarget()));
}
if (EuzElementTypes.StrategyStrategyContexts_4019 == req
.getElementType()) {
return getGEFWrapper(new StrategyStrategyContextsCreateCommand(req,
req.getSource(), req.getTarget()));
}
if (EuzElementTypes.SolutionSolutionContexts_4014 == req
.getElementType()) {
return getGEFWrapper(new SolutionSolutionContextsCreateCommand(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
*/
protected Command getReorientReferenceRelationshipCommand(
ReorientReferenceRelationshipRequest req) {
switch (getVisualID(req)) {
case ArgumentArgumentContextsEditPart.VISUAL_ID:
return getGEFWrapper(new ArgumentArgumentContextsReorientCommand(
req));
case ContextContextAssumptionsEditPart.VISUAL_ID:
return getGEFWrapper(new ContextContextAssumptionsReorientCommand(
req));
case CriteriaCriteriaContextsEditPart.VISUAL_ID:
return getGEFWrapper(new CriteriaCriteriaContextsReorientCommand(
req));
case StrategyStrategyContextsEditPart.VISUAL_ID:
return getGEFWrapper(new StrategyStrategyContextsReorientCommand(
req));
case SolutionSolutionContextsEditPart.VISUAL_ID:
return getGEFWrapper(new SolutionSolutionContextsReorientCommand(
req));
}
return super.getReorientReferenceRelationshipCommand(req);
}
}