package SRM.diagram.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.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;
import SRM.diagram.edit.commands.CapabilityActivitiesCreateCommand;
import SRM.diagram.edit.commands.CapabilityActivitiesReorientCommand;
import SRM.diagram.edit.commands.RoleCapabilitiesCreateCommand;
import SRM.diagram.edit.commands.RoleCapabilitiesReorientCommand;
import SRM.diagram.edit.parts.CapabilityActivitiesEditPart;
import SRM.diagram.edit.parts.RoleCapabilitiesEditPart;
import SRM.diagram.part.SRMVisualIDRegistry;
import SRM.diagram.providers.SRMElementTypes;
/**
* @generated
*/
public class CapabilityItemSemanticEditPolicy extends
SRMBaseItemSemanticEditPolicy {
/**
* @generated
*/
public CapabilityItemSemanticEditPolicy() {
super(SRMElementTypes.Capability_2004);
}
/**
* @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 (SRMVisualIDRegistry.getVisualID(incomingLink) == RoleCapabilitiesEditPart.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 (SRMVisualIDRegistry.getVisualID(outgoingLink) == CapabilityActivitiesEditPart.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 (SRMElementTypes.RoleCapabilities_4004 == req.getElementType()) {
return null;
}
if (SRMElementTypes.CapabilityActivities_4006 == req.getElementType()) {
return getGEFWrapper(new CapabilityActivitiesCreateCommand(req, req
.getSource(), req.getTarget()));
}
return null;
}
/**
* @generated
*/
protected Command getCompleteCreateRelationshipCommand(
CreateRelationshipRequest req) {
if (SRMElementTypes.RoleCapabilities_4004 == req.getElementType()) {
return getGEFWrapper(new RoleCapabilitiesCreateCommand(req, req
.getSource(), req.getTarget()));
}
if (SRMElementTypes.CapabilityActivities_4006 == req.getElementType()) {
return null;
}
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 RoleCapabilitiesEditPart.VISUAL_ID:
return getGEFWrapper(new RoleCapabilitiesReorientCommand(req));
case CapabilityActivitiesEditPart.VISUAL_ID:
return getGEFWrapper(new CapabilityActivitiesReorientCommand(req));
}
return super.getReorientReferenceRelationshipCommand(req);
}
}