/**
* Performs a <code>DropObjectsRequest</code> in a modal context thread. Verifies that the diagram
* refreshes on the UI thread.
*
* @throws Exception if an unexpected exception occurs
*/
public void test_drop_modalContextThread() throws Exception {
// Open the test fixture diagram
getTestFixture().openDiagram();
final DiagramEditPart diagramEditPart = getDiagramEditPart();
// Create an AND gate in the semantic model
ICommand andCommand =
new AbstractTransactionalCommand(
getTestFixture().getEditingDomain(), "Create AND Gate", null) { // $NON-NLS-1$
protected CommandResult doExecuteWithResult(IProgressMonitor monitor, IAdaptable info)
throws ExecutionException {
AndGate newElement =
(AndGate)
SemanticPackage.eINSTANCE
.getEFactoryInstance()
.create(SemanticPackage.eINSTANCE.getAndGate());
ContainerElement semanticElement =
(ContainerElement) diagramEditPart.resolveSemanticElement();
semanticElement.getChildren().add(newElement);
return CommandResult.newOKCommandResult(newElement);
}
};
andCommand.execute(new NullProgressMonitor(), null);
AndGate andGate = (AndGate) andCommand.getCommandResult().getReturnValue();
// Get the initial number of edit parts on the diagram
List primaryEditParts = diagramEditPart.getPrimaryEditParts();
int initialEditPartCount = primaryEditParts.size();
// Get the command to drop the AND gate onto the diagram
Point dropLocation = ICanonicalShapeCompartmentLayout.UNDEFINED.getLocation();
DropObjectsRequest request = new DropObjectsRequest();
request.setObjects(Collections.singletonList(andGate));
request.setAllowedDetail(DND.DROP_COPY);
request.setLocation(dropLocation);
Command command = diagramEditPart.getCommand(request);
final CommandProxy proxy = new CommandProxy(command);
// Execute the command in a forking progress monitor dialog
IRunnableWithProgress runnable =
new IRunnableWithProgress() {
public void run(IProgressMonitor monitor)
throws InvocationTargetException, InterruptedException {
try {
OperationHistoryFactory.getOperationHistory().execute(proxy, monitor, null);
} catch (ExecutionException e) {
throw new InvocationTargetException(e);
}
}
};
new ProgressMonitorDialog(null).run(true, true, runnable);
// Verify that a new edit part has been added to the diagram for the AND gate
primaryEditParts = getDiagramEditPart().getPrimaryEditParts();
assertTrue(
"Size of primary edit parts should have increased.",
primaryEditParts.size() > initialEditPartCount); // $NON-NLS-1$
IGraphicalEditPart andGateEditPart = null;
for (Iterator i = primaryEditParts.iterator(); i.hasNext(); ) {
IGraphicalEditPart nextEditPart = (IGraphicalEditPart) i.next();
if (andGate.equals(nextEditPart.resolveSemanticElement())) {
andGateEditPart = nextEditPart;
break;
}
}
assertNotNull("Expected a new edit part for the AND gate", andGateEditPart); // $NON-NLS-1$
}
