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.EClass;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.gmf.runtime.common.core.command.CommandResult;
import org.eclipse.gmf.runtime.emf.type.core.commands.CreateElementCommand;
import org.eclipse.gmf.runtime.emf.type.core.requests.ConfigureRequest;
import org.eclipse.gmf.runtime.emf.type.core.requests.CreateRelationshipRequest;
/**
* @generated
*/
public class CharacterizationCreateCommand extends CreateElementCommand {
/**
* @generated
*/
private final EObject source;
/**
* @generated
*/
private final EObject target;
/**
* @generated
*/
private OntoUML.Container container;
/**
* @generated
*/
public CharacterizationCreateCommand(CreateRelationshipRequest request,
EObject source, EObject target) {
super(request);
this.source = source;
this.target = target;
if (request.getContainmentFeature() == null) {
setContainmentFeature(OntoUML.OntoUMLPackage.eINSTANCE
.getContainer_InstanciarElement());
}
// Find container element for the new link.
// Climb up by containment hierarchy starting from the source
// and return the first element that is instance of the container class.
for (EObject element = source; element != null; element = element
.eContainer()) {
if (element instanceof OntoUML.Container) {
container = (OntoUML.Container) element;
super.setElementToEdit(container);
break;
}
}
}
/**
* @generated
*/
public boolean canExecute() {
if (source == null && target == null) {
return false;
}
if (source != null && false == source instanceof OntoUML.Element) {
return false;
}
if (target != null && false == target instanceof OntoUML.Element) {
return false;
}
if (getSource() == null) {
return true; // link creation is in progress; source is not defined yet
}
// target may be null here but it's possible to check constraint
if (getContainer() == null) {
return false;
}
return OntoUML.diagram.edit.policies.OntoUMLBaseItemSemanticEditPolicy.LinkConstraints
.canCreateCharacterization_4001(getContainer(), getSource(),
getTarget());
}
/**
* @generated
*/
protected EObject doDefaultElementCreation() {
OntoUML.Characterization newElement = OntoUML.OntoUMLFactory.eINSTANCE
.createCharacterization();
getContainer().getInstanciarElement().add(newElement);
newElement.getSourceAux1().add(getSource());
newElement.getTargetAux1().add(getTarget());
OntoUML.diagram.providers.OntoUMLElementTypes
.init_Characterization_4001(newElement);
return newElement;
}
/**
* @generated
*/
protected EClass getEClassToEdit() {
return OntoUML.OntoUMLPackage.eINSTANCE.getContainer();
}
/**
* @generated
*/
protected CommandResult doExecuteWithResult(IProgressMonitor monitor,
IAdaptable info) throws ExecutionException {
if (!canExecute()) {
throw new ExecutionException(
"Invalid arguments in create link command"); //$NON-NLS-1$
}
return super.doExecuteWithResult(monitor, info);
}
/**
* @generated
*/
protected ConfigureRequest createConfigureRequest() {
ConfigureRequest request = super.createConfigureRequest();
request.setParameter(CreateRelationshipRequest.SOURCE, getSource());
request.setParameter(CreateRelationshipRequest.TARGET, getTarget());
return request;
}
/**
* @generated
*/
protected void setElementToEdit(EObject element) {
throw new UnsupportedOperationException();
}
/**
* @generated
*/
protected OntoUML.Element getSource() {
return (OntoUML.Element) source;
}
/**
* @generated
*/
protected OntoUML.Element getTarget() {
return (OntoUML.Element) target;
}
/**
* @generated
*/
public OntoUML.Container getContainer() {
return container;
}
}