package OntoUML.diagram.edit.commands;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.gmf.runtime.common.core.command.CommandResult;
import org.eclipse.gmf.runtime.emf.type.core.commands.EditElementCommand;
import org.eclipse.gmf.runtime.emf.type.core.requests.ReorientRelationshipRequest;
/**
* @generated
*/
public class FormalAssociationReorientCommand extends EditElementCommand {
/**
* @generated
*/
private final int reorientDirection;
/**
* @generated
*/
private final EObject oldEnd;
/**
* @generated
*/
private final EObject newEnd;
/**
* @generated
*/
public FormalAssociationReorientCommand(ReorientRelationshipRequest request) {
super(request.getLabel(), request.getRelationship(), request);
reorientDirection = request.getDirection();
oldEnd = request.getOldRelationshipEnd();
newEnd = request.getNewRelationshipEnd();
}
/**
* @generated
*/
public boolean canExecute() {
if (false == getElementToEdit() instanceof OntoUML.FormalAssociation) {
return false;
}
if (reorientDirection == ReorientRelationshipRequest.REORIENT_SOURCE) {
return canReorientSource();
}
if (reorientDirection == ReorientRelationshipRequest.REORIENT_TARGET) {
return canReorientTarget();
}
return false;
}
/**
* @generated
*/
protected boolean canReorientSource() {
if (!(oldEnd instanceof OntoUML.Type && newEnd instanceof OntoUML.Type)) {
return false;
}
if (getLink().getAssociationEndAux2().size() != 1) {
return false;
}
OntoUML.Type target = (OntoUML.Type) getLink().getAssociationEndAux2()
.get(0);
if (!(getLink().eContainer() instanceof OntoUML.Container)) {
return false;
}
OntoUML.Container container = (OntoUML.Container) getLink()
.eContainer();
return OntoUML.diagram.edit.policies.OntoUMLBaseItemSemanticEditPolicy.LinkConstraints
.canExistFormalAssociation_4005(container, getNewSource(),
target);
}
/**
* @generated
*/
protected boolean canReorientTarget() {
if (!(oldEnd instanceof OntoUML.Type && newEnd instanceof OntoUML.Type)) {
return false;
}
if (getLink().getAssociationEndAux1().size() != 1) {
return false;
}
OntoUML.Type source = (OntoUML.Type) getLink().getAssociationEndAux1()
.get(0);
if (!(getLink().eContainer() instanceof OntoUML.Container)) {
return false;
}
OntoUML.Container container = (OntoUML.Container) getLink()
.eContainer();
return OntoUML.diagram.edit.policies.OntoUMLBaseItemSemanticEditPolicy.LinkConstraints
.canExistFormalAssociation_4005(container, source,
getNewTarget());
}
/**
* @generated
*/
protected CommandResult doExecuteWithResult(IProgressMonitor monitor,
IAdaptable info) throws ExecutionException {
if (!canExecute()) {
throw new ExecutionException(
"Invalid arguments in reorient link command"); //$NON-NLS-1$
}
if (reorientDirection == ReorientRelationshipRequest.REORIENT_SOURCE) {
return reorientSource();
}
if (reorientDirection == ReorientRelationshipRequest.REORIENT_TARGET) {
return reorientTarget();
}
throw new IllegalStateException();
}
/**
* @generated
*/
protected CommandResult reorientSource() throws ExecutionException {
getLink().getAssociationEndAux1().remove(getOldSource());
getLink().getAssociationEndAux1().add(getNewSource());
return CommandResult.newOKCommandResult(getLink());
}
/**
* @generated
*/
protected CommandResult reorientTarget() throws ExecutionException {
getLink().getAssociationEndAux2().remove(getOldTarget());
getLink().getAssociationEndAux2().add(getNewTarget());
return CommandResult.newOKCommandResult(getLink());
}
/**
* @generated
*/
protected OntoUML.FormalAssociation getLink() {
return (OntoUML.FormalAssociation) getElementToEdit();
}
/**
* @generated
*/
protected OntoUML.Type getOldSource() {
return (OntoUML.Type) oldEnd;
}
/**
* @generated
*/
protected OntoUML.Type getNewSource() {
return (OntoUML.Type) newEnd;
}
/**
* @generated
*/
protected OntoUML.Type getOldTarget() {
return (OntoUML.Type) oldEnd;
}
/**
* @generated
*/
protected OntoUML.Type getNewTarget() {
return (OntoUML.Type) newEnd;
}
}