EmpireWidget<T extends EmpireViewModel> class abstract

Base class for any widget that needs to be updated when the state of your widget changes.

Requires a class that extends EmpireViewModel to be passed to the viewModel argument. The EmpireViewModel is responsible for notifying this widget when the UI needs to be updated.

Usage

class MyWidget extends EmpireWidget<MyViewModel> {

   const MyWidget({super.key, required super.viewModel});

   @override
   EmpireState<EmpireWidget<EmpireViewModel>, MyViewModel> createEmpire() => _MyWidgetState(viewModel);

}

Inheritance

• Object
• DiagnosticableTree
• Widget
• StatefulWidget
• EmpireWidget

Constructors

EmpireWidget({Key? key, required T viewModel, bool debugPrintStateChanges = false})

const

Properties

debugPrintStateChanges → bool

final

hashCode → int

The hash code for this object.

no setter, inherited

key → Key?

Controls how one widget replaces another widget in the tree.

final, inherited

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

viewModel → T

final

Methods

createElement() → StatefulElement

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

inherited

createEmpire() → EmpireState<EmpireWidget<EmpireViewModel>, T>

Create an instance of EmpireState for this widget.

createState() → State<StatefulWidget>

Avoid overriding this function. createEmpire handles the creation of the widget state. Overriding this function can have unintended side affects. You've been warned.

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

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