Examples with IFormEventHandler org.eclipse.sirius.components.collaborative.forms.api.IFormEventHandler used on opensource projects

Example 1 with IFormEventHandler

use of org.eclipse.sirius.components.collaborative.forms.api.IFormEventHandler in project sirius-components by eclipse-sirius.

the class FormEventProcessor method handle.

@Override
public void handle(One<IPayload> payloadSink, Many<ChangeDescription> changeDescriptionSink, IRepresentationInput representationInput) {
    if (representationInput instanceof IFormInput) {
        IFormInput formInput = (IFormInput) representationInput;
        if (formInput instanceof UpdateWidgetFocusInput) {
            UpdateWidgetFocusInput input = (UpdateWidgetFocusInput) formInput;
            this.widgetSubscriptionManager.handle(input);
            payloadSink.tryEmitValue(new UpdateWidgetFocusSuccessPayload(representationInput.getId(), input.getWidgetId()));
            changeDescriptionSink.tryEmitNext(new ChangeDescription(ChangeKind.FOCUS_CHANGE, representationInput.getRepresentationId(), input));
        } else {
            Optional<IFormEventHandler> optionalFormEventHandler = this.formEventHandlers.stream().filter(handler -> handler.canHandle(formInput)).findFirst();
            if (optionalFormEventHandler.isPresent()) {
                IFormEventHandler formEventHandler = optionalFormEventHandler.get();
                formEventHandler.handle(payloadSink, changeDescriptionSink, this.currentForm.get(), formInput);
            } else {
                // $NON-NLS-1$
                this.logger.warn("No handler found for event: {}", formInput);
            }
        }
    }
}