Code (Javascript)

onDiagramMouseUp(event) {
  this.diagram.setEnabled(true);
  const node = this.getNodeUnderCursor(event);
  if (node) {
    const localPoint = this.getLocalPoint(event);
    const manipulator = node.hitTestManipulators(localPoint);
    if (manipulator !== null) {
      return;
    }
    const args = new MindFusion.Diagramming.NodeEventArgs({ node: node, mousePosition: localPoint, mouseButton: event.button });
    const handler = MindFusion.AbstractionLayer.getHandler(this.diagram, "nodeClicked");
    if (handler != null) {
      handler(this.diagram, args);
    }
  }
}