EntityStateBuilder<T> class
Reactive widget for EntityStreamedState
streamedState - external stream that controls the state of the widget widget has three states: builder - content; loadingChild - loading; errorChild - error.
Error builders priority order:
example
EntityStateBuilder<Data>(
streamedState: wm.dataState,
builder: (context, data) => DataWidget(data),
loadingChild: LoadingWidget(),
errorChild: ErrorPlaceholder(),
);
- Inheritance
-
- Object
- DiagnosticableTree
- Widget
- StatelessWidget
- EntityStateBuilder
Constructors
-
EntityStateBuilder({required EntityStreamedState<
T> streamedState, required DataWidgetBuilder<T> builder, LoadingWidgetBuilder<T> ? loadingBuilder, DataErrorWidgetBuilder<T> ? errorDataBuilder, ErrorWidgetBuilder? errorBuilder, Widget loadingChild = const SizedBox(), Widget errorChild = const SizedBox(), Key? key}) -
const
Properties
-
builder
→ DataWidgetBuilder<
T> -
WidgetBuilder for streamedState's data
final
- errorBuilder → ErrorWidgetBuilder?
-
WidgetBuilder for error
final
- errorChild → Widget
-
Error child widget
final
-
errorDataBuilder
→ DataErrorWidgetBuilder<
T> ? -
WidgetBuilder for error with previous data
final
- hashCode → int
-
The hash code for this object.
no setterinherited
- key → Key?
-
Controls how one widget replaces another widget in the tree.
finalinherited
-
loadingBuilder
→ LoadingWidgetBuilder<
T> ? -
WidgetBuilder for empty data
final
- loadingChild → Widget
-
Loading child widget
final
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
-
streamedState
→ EntityStreamedState<
T> -
StreamedState of entity
final
Methods
-
build(
BuildContext context) → Widget -
Describes the part of the user interface represented by this widget.
override
-
createElement(
) → StatelessElement -
Creates a StatelessElement to manage this widget's location in the tree.
inherited
-
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
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
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}) → 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
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited