ContractPropBuilder<T> class

Contract prop builder

used for get contract from scope or default contract contract

contract - default contract builder - builder provide contract from ContractScope or default contract


class LabelContract with ContractInterface {
  final String name;

  LabelContract({this.name = 'foo bar'});

  ContractProp<String> get label => ContractProp<String>(contract: (_) => name);
}


ContractPropBuilder<LabelContract>(
  contract: LabelContract(),
  builder: (_, contract) => Text(
    text ?? contract.label.value(context) ?? '',
  ),
);
Inheritance

Constructors

ContractPropBuilder({required ContractBuilder<T> builder, required T contract, Key? key})
const

Properties

builder → ContractBuilder<T>
final
contract → T
final
hashCode → int
The hash code for this object.
no setterinherited
key → Key?
Controls how one widget replaces another widget in the tree.
finalinherited
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited

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