options: ITreeOptions = {
	allowDrag: node => this.isDraggable(node),
    getNodeClone: (node) => ({
      data: {
        originalId: 0,
        type: node.data.type,
        children: node.data.children
      },
      id: this.service.getLastIndex(this.tree),
      name: node.data.name
      })
}