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:

  1. errorDataBuilder
  2. errorBuilder
  3. errorChild

example

EntityStateBuilder<Data>(
     streamedState: wm.dataState,
     builder: (context, data) => DataWidget(data),
     loadingChild: LoadingWidget(),
     errorChild: ErrorPlaceholder(),
   );
Inheritance

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