Use the refresh_file_list method on a timer and in a button

"""View Implementation for DataSelector."""

from asyncio import ensure_future, sleep

from typing import Any, List, Optional, cast

from warnings import warn

from nova.mvvm.trame_binding import TrameBinding

from nova.trame.model.data_selector import CUSTOM_DIRECTORIES_LABEL, DataSelectorModel

from nova.trame.view.layouts import GridLayout, VBoxLayout

from nova.trame.view.layouts import GridLayout, HBoxLayout, VBoxLayout

from nova.trame.view_model.data_selector import DataSelectorViewModel

from .input_field import InputField

class DataSelector(datagrid.VGrid):

    """Allows the user to select datafiles from an IPTS experiment."""

    REFRESH_RATE = 30

    def __init__(

        self,

        v_model: str,

        self.create_ui(facility, instrument, **kwargs)

        ensure_future(self._refresh_loop())

    def create_ui(self, facility: str, instrument: str, **kwargs: Any) -> None:

        with VBoxLayout(classes="nova-data-selector", height="100%"):

            with GridLayout(columns=3):

            with HBoxLayout(valign="center"):

                with GridLayout(classes="flex-1-1", columns=3):

                    columns = 3

                    if facility == "":

                        columns -= 1

                        type="autocomplete",

                    )

                    InputField(v_else=True, v_model=f"{self._state_name}.custom_directory", column_span=2)

                with vuetify.VBtn(

                    classes="mx-1", density="compact", icon=True, variant="text", click=self.refresh_file_list

                ):

                    vuetify.VIcon("mdi-refresh")

                    vuetify.VTooltip("Refresh file list", activator="parent")

            with GridLayout(columns=2, classes="flex-1-0 h-0", valign="start"):

                if not self._prefix:

        None

        """

        self._vm.set_state(facility, instrument, experiment)

    async def _refresh_loop(self) -> None:

        while True:

            await sleep(self.REFRESH_RATE)

            self.refresh_file_list()

            self.state.dirty(self._datafiles_name)