/*
*
*/
package org.eclipse.papyrus.uml.diagram.deployment.edit.policies;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.gef.commands.Command;
import org.eclipse.gef.commands.UnexecutableCommand;
import org.eclipse.gmf.runtime.common.core.command.ICommand;
import org.eclipse.gmf.runtime.diagram.ui.commands.ICommandProxy;
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.ReorientReferenceRelationshipRequest;
import org.eclipse.gmf.runtime.emf.type.core.requests.ReorientRelationshipRequest;
import org.eclipse.papyrus.infra.services.edit.service.ElementEditServiceUtils;
import org.eclipse.papyrus.infra.services.edit.service.IElementEditService;
import org.eclipse.papyrus.uml.diagram.deployment.edit.commands.CommentAnnotatedElementCreateCommand;
import org.eclipse.papyrus.uml.diagram.deployment.edit.commands.CommentAnnotatedElementReorientCommand;
import org.eclipse.papyrus.uml.diagram.deployment.edit.commands.ConstraintConstrainedElementCreateCommand;
import org.eclipse.papyrus.uml.diagram.deployment.edit.commands.ConstraintConstrainedElementReorientCommand;
import org.eclipse.papyrus.uml.diagram.deployment.edit.commands.DependencyCreateCommand;
import org.eclipse.papyrus.uml.diagram.deployment.edit.commands.DeploymentCreateCommand;
import org.eclipse.papyrus.uml.diagram.deployment.edit.commands.ManifestationCreateCommand;
import org.eclipse.papyrus.uml.diagram.deployment.edit.parts.CommentAnnotatedElementEditPart;
import org.eclipse.papyrus.uml.diagram.deployment.edit.parts.ConstraintConstrainedElementEditPart;
import org.eclipse.papyrus.uml.diagram.deployment.edit.parts.DependencyEditPart;
import org.eclipse.papyrus.uml.diagram.deployment.edit.parts.DeploymentEditPart;
import org.eclipse.papyrus.uml.diagram.deployment.edit.parts.ManifestationEditPart;
import org.eclipse.papyrus.uml.diagram.deployment.providers.UMLElementTypes;
/**
* @generated
*/
public class ConstraintItemSemanticEditPolicy extends UMLBaseItemSemanticEditPolicy {
/**
* @generated
*/
public ConstraintItemSemanticEditPolicy() {
super(UMLElementTypes.Constraint_2005);
}
/**
* @generated
*/
protected Command getDestroyElementCommand(DestroyElementRequest req) {
EObject selectedEObject = req.getElementToDestroy();
IElementEditService provider = ElementEditServiceUtils.getCommandProvider(selectedEObject);
if(provider != null) {
// Retrieve delete command from the Element Edit service
ICommand deleteCommand = provider.getEditCommand(req);
if(deleteCommand != null) {
return new ICommandProxy(deleteCommand);
}
}
return UnexecutableCommand.INSTANCE;
}
/**
* @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(UMLElementTypes.CommentAnnotatedElement_4008 == req.getElementType()) {
return null;
}
if(UMLElementTypes.ConstraintConstrainedElement_4009 == req.getElementType()) {
return getGEFWrapper(new ConstraintConstrainedElementCreateCommand(req, req.getSource(), req.getTarget()));
}
if(UMLElementTypes.Deployment_4001 == req.getElementType()) {
return getGEFWrapper(new DeploymentCreateCommand(req, req.getSource(), req.getTarget()));
}
if(UMLElementTypes.Manifestation_4002 == req.getElementType()) {
return getGEFWrapper(new ManifestationCreateCommand(req, req.getSource(), req.getTarget()));
}
if(UMLElementTypes.Dependency_4004 == req.getElementType()) {
return getGEFWrapper(new DependencyCreateCommand(req, req.getSource(), req.getTarget()));
}
return null;
}
/**
* @generated
*/
protected Command getCompleteCreateRelationshipCommand(CreateRelationshipRequest req) {
if(UMLElementTypes.CommentAnnotatedElement_4008 == req.getElementType()) {
return getGEFWrapper(new CommentAnnotatedElementCreateCommand(req, req.getSource(), req.getTarget()));
}
if(UMLElementTypes.ConstraintConstrainedElement_4009 == req.getElementType()) {
return getGEFWrapper(new ConstraintConstrainedElementCreateCommand(req, req.getSource(), req.getTarget()));
}
if(UMLElementTypes.Deployment_4001 == req.getElementType()) {
return getGEFWrapper(new DeploymentCreateCommand(req, req.getSource(), req.getTarget()));
}
if(UMLElementTypes.Manifestation_4002 == req.getElementType()) {
return getGEFWrapper(new ManifestationCreateCommand(req, req.getSource(), req.getTarget()));
}
if(UMLElementTypes.Dependency_4004 == req.getElementType()) {
return getGEFWrapper(new DependencyCreateCommand(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 DeploymentEditPart.VISUAL_ID:
case ManifestationEditPart.VISUAL_ID:
case DependencyEditPart.VISUAL_ID:
IElementEditService provider = ElementEditServiceUtils.getCommandProvider(req.getRelationship());
if(provider == null) {
return UnexecutableCommand.INSTANCE;
}
// Retrieve re-orient command from the Element Edit service
ICommand reorientCommand = provider.getEditCommand(req);
if(reorientCommand == null) {
return UnexecutableCommand.INSTANCE;
}
return getGEFWrapper(reorientCommand.reduce());
}
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 CommentAnnotatedElementEditPart.VISUAL_ID:
return getGEFWrapper(new CommentAnnotatedElementReorientCommand(req));
case ConstraintConstrainedElementEditPart.VISUAL_ID:
return getGEFWrapper(new ConstraintConstrainedElementReorientCommand(req));
}
return super.getReorientReferenceRelationshipCommand(req);
}
}