Examples with UpdateNodePositionSuccessPayload org.eclipse.sirius.components.collaborative.diagrams.dto.UpdateNodePositionSuccessPayload used on opensource projects

Example 1 with UpdateNodePositionSuccessPayload

use of org.eclipse.sirius.components.collaborative.diagrams.dto.UpdateNodePositionSuccessPayload in project sirius-components by eclipse-sirius.

the class UpdateNodePositionEventHandler method handleUpdateNodePosition.

private void handleUpdateNodePosition(One<IPayload> payloadSink, Many<ChangeDescription> changeDescriptionSink, IDiagramContext diagramContext, UpdateNodePositionInput diagramInput) {
    Position newPosition = Position.at(diagramInput.getNewPositionX(), diagramInput.getNewPositionY());
    Optional<Node> optionalNode = this.diagramQueryService.findNodeById(diagramContext.getDiagram(), diagramInput.getDiagramElementId());
    if (optionalNode.isPresent()) {
        diagramContext.setDiagramEvent(new MoveEvent(diagramInput.getDiagramElementId(), newPosition));
        payloadSink.tryEmitValue(new UpdateNodePositionSuccessPayload(diagramInput.getId(), diagramContext.getDiagram()));
        changeDescriptionSink.tryEmitNext(new ChangeDescription(DiagramChangeKind.DIAGRAM_LAYOUT_CHANGE, diagramInput.getRepresentationId(), diagramInput));
    } else {
        String message = this.messageService.nodeNotFound(String.valueOf(diagramInput.getDiagramElementId()));
        payloadSink.tryEmitValue(new ErrorPayload(diagramInput.getId(), message));
        changeDescriptionSink.tryEmitNext(new ChangeDescription(ChangeKind.NOTHING, diagramInput.getRepresentationId(), diagramInput));
    }
}