TDataTable<T, K> class

A data table component with pagination, sorting, and expandable rows.

TDataTable provides a full-featured table widget with:

• Column headers with sorting
• Pagination with page size selection
• Server-side data loading
• Expandable rows for detailed views
• Responsive layout (mobile/desktop)
• Infinite scroll on mobile
• Sticky headers and footers

Basic Usage

TDataTable<User, int>(
  headers: [
    TTableHeader(
      text: 'Name',
      value: (user) => user.name,
      sortable: true,
    ),
    TTableHeader(
      text: 'Email',
      value: (user) => user.email,
    ),
    TTableHeader(
      text: 'Status',
      value: (user) => user.status,
    ),
  ],
  items: users,
  itemsPerPage: 10,
)

With Server-Side Loading

TDataTable<Product, int>(
  headers: productHeaders,
  itemsPerPage: 25,
  onLoad: (page, search) async {
    final response = await api.getProducts(page, search);
    return (response.items, response.hasMore);
  },
)

With Expandable Rows

TDataTable<Order, int>(
  headers: orderHeaders,
  items: orders,
  expandedBuilder: (context, item, index) {
    return OrderDetailsWidget(order: item.data);
  },
)

Type parameters:

• T: The type of items in the table
• K: The type of the item key

See also:

• TTableHeader for column configuration
• TListController for programmatic control
• TList for list-based data display

Inheritance

• Object
• DiagnosticableTree
• Widget
• StatefulWidget
• TDataTable

Mixed-in types

• TListMixin<T, K>

Available extensions

• WidgetX

Constructors

TDataTable({Key? key, required List<TTableHeader<T, K>> headers, TTableTheme? theme, List<T>? items, int? itemsPerPage, String? search, int? searchDelay, TLoadListener<T>? onLoad, ItemKeyAccessor<T, K>? itemKey, TListController<T, K>? controller, TControllerReadyListener<T, K>? onControllerReady, TTableDetails<T, K>? details, bool selectableText = true, int paginationTotalVisible = 7, List<int> itemsPerPageOptions = const [5, 10, 15, 25, 50], WidgetBuilder? beforeItemsBuilder, TGridMode? grid, TGridDelegateBuilder? gridDelegate, bool? shrinkWrap, TListHeaderBuilder? headerBuilder, TListFooterBuilder? footerBuilder, bool? infiniteScroll, bool? headerSticky, bool? footerSticky, Widget rowBuilder(BuildContext ctx, TListItem<T, K> item, int index, Widget row)?, Color? rowColorBuilder(TListItem<T, K> item, int index)?, bool? dense, bool? optionalPaginationBar})

Creates a data table component.

const

Properties

beforeItemsBuilder → WidgetBuilder?

Builder for content before the list items.

final

controller → TListController<T, K>?

Controller for managing table state.

final

dense → bool?

Whether the table is dense.

final

details → TTableDetails<T, K>?

Detailed configuration for expansion and item info.

final

footerBuilder → WidgetBuilder?

Custom footer builder.

final

footerSticky → bool?

Whether the footer should be sticky.

final

grid → TGridMode?

Grid layout mode.

final

gridDelegate → TGridDelegateBuilder?

Delegate for controlling grid layout.

final

hashCode → int

The hash code for this object.

no setter, inherited

headerBuilder → WidgetBuilder?

Custom header builder.

final

headers → List<TTableHeader<T, K>>

The column headers for the table.

final

headerSticky → bool?

Whether the header should be sticky.

final

infiniteScroll → bool?

Whether to enable infinite scroll.

final

itemKey → ItemKeyAccessor<T, K>?

Function to extract a unique key from an item.

final

items → List<T>?

The list of items to display.

final

itemsPerPage → int?

Number of items to display per page.

final

itemsPerPageOptions → List<int>

Available options for items per page selection.

final

key → Key?

Controls how one widget replaces another widget in the tree.

final, inherited

onControllerReady → TControllerReadyListener<T, K>?

Callback fired when the list controller is initialized and ready.

final

onLoad → TLoadListener<T>?

Callback for loading items from a server.

final

optionalPaginationBar → bool?

Whether the pagination bar is optional (only shown if there's more than 1 page or items to load).

final

paginationTotalVisible → int

Number of pagination buttons to show.

final

rowBuilder → Widget Function(BuildContext ctx, TListItem<T, K> item, int index, Widget row)?

Custom builder for the row.

final

rowColorBuilder → Color? Function(TListItem<T, K> item, int index)?

Custom builder for the row background color.

final

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

search → String?

Initial search query.

final

searchDelay → int?

Debounce delay for search in milliseconds.

final

selectableText → bool

Whether text within the table is selectable. Defaults to true.

final

shrinkWrap → bool?

Whether the table should shrink-wrap its content.

final

theme → TTableTheme?

Custom theme for the table.

final

Methods

box({double minW = 0.0, double minH = 0.0, double maxW = double.infinity, double maxH = double.infinity}) → Widget

Available on Widget, provided by the WidgetX extension

Wraps this widget in a ConstrainedBox to apply layout constraints.

center({bool when = true}) → Widget

Available on Widget, provided by the WidgetX extension

Wraps this widget in a Center widget.

createElement() → StatefulElement

Creates a StatefulElement to manage this widget's location in the tree.

inherited

createState() → State<TDataTable<T, K>>

Creates the mutable state for this widget at a given location in the tree.

override

debugDescribeChildren() → List<DiagnosticsNode>

Returns a list of DiagnosticsNode objects describing this node's children.

inherited

debugFillProperties(DiagnosticPropertiesBuilder properties) → void

Add additional properties associated with the node.

inherited

expanded({int flex = 1}) → Widget

Available on Widget, provided by the WidgetX extension

Wraps this widget in an Expanded widget.

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

padding([double left = 0.0, double top = 0.0, double right = 0.0, double bottom = 0.0]) → Widget

Available on Widget, provided by the WidgetX extension

Wraps this widget in a Padding with flexible edge control.

paddingSymmetric({double h = 0.0, double v = 0.0}) → Widget

Available on Widget, provided by the WidgetX extension

Wraps this widget in a Padding with symmetric horizontal and vertical spacing.

size({double? w, double? h}) → Widget

Available on Widget, provided by the WidgetX extension

Wraps this widget in a SizedBox to apply fixed width and/or height.

toDiagnosticsNode({String? name, DiagnosticsTreeStyle? style}) → DiagnosticsNode

Returns a debug representation of the object that is used by debugging tools and by DiagnosticsNode.toStringDeep.

inherited

toString({DiagnosticLevel minLevel = DiagnosticLevel.info}) → String

A string representation of this object.

inherited

toStringDeep({String prefixLineOne = '', String? prefixOtherLines, DiagnosticLevel minLevel = DiagnosticLevel.debug, int wrapWidth = 65}) → String

Returns a string representation of this node and its descendants.

inherited

toStringShallow({String joiner = ', ', DiagnosticLevel minLevel = DiagnosticLevel.debug}) → String

Returns a one-line detailed description of the object.

inherited

toStringShort() → String

A short, textual description of this widget.

inherited

visible(bool visible, {bool maintainState = false}) → Widget

Available on Widget, provided by the WidgetX extension

Wraps this widget in a Visibility widget.

when(bool condition) → Widget

Available on Widget, provided by the WidgetX extension

Returns this widget if condition is true, otherwise returns SizedBox.shrink(). Usage: Text('Hello').when(isVisible)

Operators

operator ==(Object other) → bool

The equality operator.

inherited