callPlugins(new DragCaller(ctx, dragHandler, event),
dragHandler.getOptions());
try {
trigger(new DragEvent(ctx), dragHandler.getOptions().getOnDrag(), ctx);
} catch (UmbrellaException e) {
for (Throwable t : e.getCauses()) {
if (t instanceof StopDragException) {
mouseStop(draggable, event);
return false;