Can class

A widget that conditionally renders content based on access control.

Inheritance

Constructors

Can({Key? key, required String I, required String a, required Widget? child, bool not = false, Widget? fallback})
Creates a Can widget that displays child if permission is granted.
const
Can.builder({Key? key, required String I, required String a, required Widget abilityBuilder(BuildContext context, bool hasPermission)?, bool not = false})
Creates a Can widget using a builder function to dynamically generate the widget based on permissions.
const

Properties

a String
The subject being checked for permissions.
final
abilityBuilder Widget Function(BuildContext context, bool hasPermission)?
A builder function that receives the permission result and returns a widget dynamically.
final
child Widget?
The widget to display if permission is granted.
final
fallback Widget?
The widget to display if permission is denied. Defaults to an empty widget.
final
hashCode int
The hash code for this object.
no setterinherited
I String
The action being checked for permissions.
final
key Key?
Controls how one widget replaces another widget in the tree.
finalinherited
not bool
If true, reverses the permission logic (renders child if permission is denied).
final
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, 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

Operators

operator ==(Object other) bool
The equality operator.
inherited