code: public void open(Element sourceElement) {
          this.sourceElement = sourceElement;
          $("body").attr("style", "overflow: hidden !important");
          animator.setSourceElement(sourceElement);
          animator.setTargetElement(getElement());
          animator.setCompletedCallback(() -> OpenEvent.fire(MaterialOverlay.this, MaterialOverlay.this));
          animator.animate();
      }
docs: Open the Overlay Panel with Path Animator applied