TxDataSourceConfig · Flutter

Configuration for the store, keys, query, paging and local or remote processing.

TxDataSourceConfig

Parameter	Type	Default	Meaning
store	`TxStore<T>`	`required`	Data collection or custom store contract.
keyOf	`TxKeyOf<T>?`	`null`	Reads the stable record key.
sort	`List<TxSort<T>>`	`const []`	Sort descriptors in priority order.
filter	`TxFilter<T>?`	`null`	Filter expression.
searchExpr	`List<TxGetter<T>>`	`const []`	Search fields or getters.
searchValue	`String`	`''`	Search text; local search ignores case.
group	`List<TxSort<T>>`	`const []`	Group descriptors or group name.
pageSize	`int`	`20`	Records per page.
pageIndex	`int`	`0`	Zero-based page index.
paginate	`bool`	`true`	Enables paging; false loads the whole collection.
remoteOperations	`bool?`	`null`	Store handles queries itself; automatically enabled for custom stores.
select	`T Function(T)?`	`null`	Projection before final mapping.
map	`T Function(T)?`	`null`	Transformation of each loaded visible record.
requireTotalCount	`bool`	`true`	Requests the total count before paging.
requireGroupCount	`bool`	`false`	Requests the number of top-level groups.

dart

import 'package:tecexpress/tecexpress.dart';

Future<void> example() async {
  final config = TxDataSourceConfig<int>(store: TxArrayStore([1, 2], keyOf: (v) => v), keyOf: (v) => v, pageSize: 10);
  final source = TxDataSource(config);
  await source.load();
  source.dispose();
}

TxDataSourceConfig.