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Implement multi-column row keys for ui.table #4105

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Implement multi-column row keys for ui.table #4105

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de3a9f6
Implement multi-column row keys
me21 Dec 16, 2024
9127df6
Use attribute instead of outer function variable in handle_selection()
me21 Dec 16, 2024
053a6c2
Fix row_key getter and setter.
me21 Dec 16, 2024
e3a9f65
Fix row_key getter and setter. Use row_key property in __init__ for c…
me21 Dec 16, 2024
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17 changes: 13 additions & 4 deletions nicegui/elements/table.py
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Original file line number Diff line number Diff line change
Expand Up @@ -66,7 +66,8 @@ def __init__(self,
self._use_columns_from_df = False
self._props['columns'] = self._normalize_columns(columns)
self._props['rows'] = rows
self._props['row-key'] = row_key
# if row_key is a list of columns, use the Javascript arrow function syntax, prepending row. to each key
self.row_key = row_key # should call the property setter
self._props['title'] = title
self._props['hide-pagination'] = pagination is None
self._props['pagination'] = pagination if isinstance(pagination, dict) else {'rowsPerPage': pagination or 0}
Expand All @@ -82,7 +83,11 @@ def handle_selection(e: GenericEventArguments) -> None:
self.selected.clear()
self.selected.extend(e.args['rows'])
else:
self.selected = [row for row in self.selected if row[row_key] not in e.args['keys']]
# if row_key is a list of columns, calculate the row_key for each row in the selected list
if isinstance(self._row_key, list):
self.selected = [row for row in self.selected if ''.join([row[col] for col in self._row_key]) not in e.args['keys']]
else:
self.selected = [row for row in self.selected if row[self._row_key] not in e.args['keys']]
self.update()
arguments = TableSelectionEventArguments(sender=self, client=self.client, selection=self.selected)
for handler in self._selection_handlers:
Expand Down Expand Up @@ -301,11 +306,15 @@ def column_defaults(self, value: Optional[Dict]) -> None:
@property
def row_key(self) -> str:
"""Name of the column containing unique data identifying the row."""
return self._props['row-key']
return self._row_key

@row_key.setter
def row_key(self, value: str) -> None:
self._props['row-key'] = value
if isinstance(value, list):
self._row_key = value
self._props[':row-key'] = f"row => {'+'.join([f'row.{col}' for col in value])}"
else:
self._props['row-key'] = self._row_key = value
self.update()

@property
Expand Down