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Add rich reprs

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This commit is contained in:
Darren Burns
2023-02-13 10:08:04 +00:00
parent 22ab4f80af
commit 03dc86fc66
1 changed files with 10 additions and 5 deletions
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15
src/textual/widgets/_data_table.py
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@@ -74,6 +74,9 @@ class StringKey:
return self.value < other return self.value < other
return self.value < other.value return self.value < other.value
def __rich_repr__(self):
yield "value", self.value
class RowKey(StringKey): class RowKey(StringKey):
"""Uniquely identifies a row in the DataTable. Even if the visual location """Uniquely identifies a row in the DataTable. Even if the visual location
@@ -95,6 +98,10 @@ class CellKey(NamedTuple):
row_key: RowKey row_key: RowKey
column_key: ColumnKey column_key: ColumnKey
def __rich_repr__(self):
yield "row_key", self.row_key
yield "column_key", self.column_key
def default_cell_formatter(obj: object) -> RenderableType: def default_cell_formatter(obj: object) -> RenderableType:
"""Given an object stored in a DataTable cell, return a Rich """Given an object stored in a DataTable cell, return a Rich
@@ -442,7 +449,7 @@ class DataTable(ScrollView, Generic[CellType], can_focus=True):
"""Cache for individual cells.""" """Cache for individual cells."""
self._line_cache: LRUCache[LineCacheKey, Strip] = LRUCache(1000) self._line_cache: LRUCache[LineCacheKey, Strip] = LRUCache(1000)
"""Cache for lines within rows.""" """Cache for lines within rows."""
self._offset_cache: LRUCache[int, list[[tuple[RowKey, int]]]] = LRUCache(1) self._offset_cache: LRUCache[int, list[tuple[RowKey, int]]] = LRUCache(1)
"""Cached y_offset - key is update_count - see y_offsets property for more information""" """Cached y_offset - key is update_count - see y_offsets property for more information"""
self._require_update_dimensions: bool = False self._require_update_dimensions: bool = False
@@ -502,14 +509,12 @@ class DataTable(ScrollView, Generic[CellType], can_focus=True):
y-coordinate, we can index into this list to find which row that y-coordinate y-coordinate, we can index into this list to find which row that y-coordinate
lands on, and the y-offset *within* that row. The length of the returned list lands on, and the y-offset *within* that row. The length of the returned list
is therefore the total height of all rows within the DataTable.""" is therefore the total height of all rows within the DataTable."""
y_offsets: list[tuple[RowKey, int]] = [] y_offsets = []
if self._update_count in self._offset_cache: if self._update_count in self._offset_cache:
y_offsets = self._offset_cache[self._update_count] y_offsets = self._offset_cache[self._update_count]
else: else:
for row in self.ordered_rows: for row in self.ordered_rows:
row_key = row.key y_offsets += [(row.key, y) for y in range(row.height)]
row_height = row.height
y_offsets += [(row_key, y) for y in range(row_height)]
self._offset_cache = y_offsets self._offset_cache = y_offsets
return y_offsets return y_offsets