class RvAdapter : RecyclerView.Adapter<RvAdapter.MyHolder>() {
        lateinit var valveList: MutableList<Valve>
        fun setList(list: MutableList<Valve>) {
            valveList = list

        }

        inner class MyHolder(private val binding: ItemEtBinding) :
            RecyclerView.ViewHolder(binding.root) {

            private fun restoreValveParams(editText: EditText, param: Double?) {
                if (param != null) {
                    editText.text = SpannableStringBuilder(param.toString())
                }

            }

            fun bind(valve: Valve, position: Int) {


                with(binding) {
                    restoreValveParams(etMeasuredGap, valve.measuredGap)
                    restoreValveParams(etWasher, valve.washer)

                    number.text = position.toString()

                    etMeasuredGap.addTextChangedListener(myTextWatcher { inGapSize ->
                        valve.measuredGap =
                            if (inGapSize!!.isNotEmpty()) inGapSize.toString().toDouble() else 0.0
                    })
                    etWasher.addTextChangedListener(myTextWatcher { w ->
                        valve.washer =
                            if (w!!.isNotEmpty()) w.toString().toDouble() else 0.0
                    })

                }

            }



        }

        override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): MyHolder {
            return MyHolder(
                ItemEtBinding.inflate(
                    LayoutInflater.from(parent.context),
                    parent,
                    false
                )
            )
        }

        override fun onBindViewHolder(holder: MyHolder, position: Int) {
            holder.bind(valveList[position], position)

        }

        override fun getItemCount(): Int {
            return valveList.size
        }
    }