mouseWheelHandlerRegistration.removeHandler();
mouseWheelHandlerRegistration = null;
mouseWheelJs = js.trim();
if(!mouseWheelJs.isEmpty())
{
mouseWheelHandlerRegistration = addMouseWheelHandler(new MouseWheelHandler() {
@Override
public void onMouseWheel(MouseWheelEvent event) {
VkStateHelper.getInstance().getEventHelper().executeEvent(mouseWheelJs, event, true);
}
});