Examples with IDiagramEventHandler org.eclipse.sirius.components.collaborative.diagrams.api.IDiagramEventHandler used on opensource projects

Example 1 with IDiagramEventHandler

use of org.eclipse.sirius.components.collaborative.diagrams.api.IDiagramEventHandler in project sirius-components by eclipse-sirius.

the class DiagramEventProcessor method handle.

@Override
public void handle(One<IPayload> payloadSink, Many<ChangeDescription> changeDescriptionSink, IRepresentationInput representationInput) {
    IRepresentationInput effectiveInput = representationInput;
    if (representationInput instanceof RenameRepresentationInput) {
        RenameRepresentationInput renameRepresentationInput = (RenameRepresentationInput) representationInput;
        effectiveInput = new RenameDiagramInput(renameRepresentationInput.getId(), renameRepresentationInput.getEditingContextId(), renameRepresentationInput.getRepresentationId(), renameRepresentationInput.getNewLabel());
    }
    if (effectiveInput instanceof IDiagramInput) {
        IDiagramInput diagramInput = (IDiagramInput) effectiveInput;
        Optional<IDiagramEventHandler> optionalDiagramEventHandler = this.diagramEventHandlers.stream().filter(handler -> handler.canHandle(diagramInput)).findFirst();
        if (optionalDiagramEventHandler.isPresent()) {
            IDiagramEventHandler diagramEventHandler = optionalDiagramEventHandler.get();
            diagramEventHandler.handle(payloadSink, changeDescriptionSink, this.editingContext, this.diagramContext, diagramInput);
        } else {
            // $NON-NLS-1$
            this.logger.warn("No handler found for event: {}", diagramInput);
        }
    }
}