Method setupDroppable

src/dd-element.ts:84–91

(opts: DDDroppableOpt)

  }

  public setupDroppable(opts: DDDroppableOpt): DDElement {
    if (!this.ddDroppable) {
      this.ddDroppable = new DDDroppable(this.el, opts);
    } else {
      this.ddDroppable.updateOption(opts);
    }
    return this;
  }

  public cleanDroppable(): DDElement {
    if (this.ddDroppable) {