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from pathlib import Path
from textual.app import App, ComposeResult
from textual_fastdatatable import ArrowBackend, DataTable
CSS_PATH = (Path(__file__) / "../datatable_hot_reloading.tcss").resolve()
# Write some CSS to the file before the app loads.
# Then, the test will clear all the CSS to see if the
# hot reloading applies the changes correctly.
CSS_PATH.write_text(
"""\
DataTable > .datatable--cursor {
background: purple;
}
DataTable > .datatable--fixed {
background: red;
}
DataTable > .datatable--fixed-cursor {
background: blue;
}
DataTable > .datatable--header {
background: yellow;
}
DataTable > .datatable--odd-row {
background: pink;
}
DataTable > .datatable--even-row {
background: brown;
}
"""
)
class DataTableHotReloadingApp(App[None]):
CSS_PATH = CSS_PATH
def compose(self) -> ComposeResult:
data = {
# orig test set A width=10, we fake it with spaces
"A ": ["one", "three", "five"],
"B": ["two", "four", "six"],
}
backend = ArrowBackend.from_pydict(data)
yield DataTable(backend, zebra_stripes=True, cursor_type="row", fixed_columns=1)
def on_mount(self) -> None:
self.query_one(DataTable)
if __name__ == "__main__":
app = DataTableHotReloadingApp()
app.run()
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