/**
* Shows the specified <code>status</code>'s children in the "Details" area of an information
* dialog.
*
* @param event the live validation occurred event
*/
private void showLiveValidationDialog(final ValidationEvent event) {
IWorkbenchWindow workbenchWindow = PlatformUI.getWorkbench().getActiveWorkbenchWindow();
if (workbenchWindow != null) {
IStatus[] details = toStatusArray(event);
String message =
event.getSeverity() >= IStatus.ERROR
? ValidationUIMessages.Validation_liveError
: null; // show the constraint message as the primary message
// the dialog should show INFO severity for errors because
// the corrective action has already been taken by the
// system; the user is just being informed that everything
// is still OK. Warnings, however, require corrective
// action by the user.
final int dialogSeverity = event.matches(IStatus.WARNING) ? IStatus.WARNING : IStatus.INFO;
// get the first of the most severe error messages and use
// it in the summary message presented to the user
IStatus primary = getFirstStatus(details, event.getSeverity());
IStatus toDisplay;
if (details.length > 1) {
toDisplay =
new MultiStatus(
ValidationUIPlugin.getPlugin().getBundle().getSymbolicName(),
0,
details,
primary.getMessage(),
null) {
/**
* Redefines the inherited method to always return the more appropriate severity for
* the dialog.
*/
@Override
public int getSeverity() {
return dialogSeverity;
}
};
} else {
toDisplay =
new Status(
dialogSeverity,
primary.getPlugin(),
primary.getCode(),
primary.getMessage(),
primary.getException());
}
new LiveValidationDialog(
Display.getCurrent().getActiveShell(),
ValidationUIMessages.Validation_liveDialogTitle,
message,
toDisplay)
.open();
}
}
/* (non-Javadoc)
* Implements the interface method.
*/
public void validationOccurred(ValidationEvent event) {
if ((event.getEvaluationMode() == EvaluationMode.LIVE)
&& (event.getSeverity() >= IStatus.WARNING)
&& isSupportedClientContexts(event.getClientContextIds())) {
showProblemMessages(event);
}
}
public void test_UniversalListener() {
EObject object = OrderSystemFactory.eINSTANCE.createOrder();
batchValidator.validate(object);
assertTrue(UniversalValidationListener.LAST_EVENT != null);
ValidationEvent event = UniversalValidationListener.LAST_EVENT;
assertTrue(
event
.getClientContextIds()
.contains("org.eclipse.emf.validation.tests.junit")); // $NON-NLS-1$
}
/**
* Converts a validation event to an array of statuses.
*
* @param event the validation event
* @return its validation results, as a status array
*/
private static IStatus[] toStatusArray(ValidationEvent event) {
List<IConstraintStatus> results = event.getValidationResults();
return results.toArray(new IStatus[results.size()]);
}