AppNavigationRailScope class final

Expõe o estado colapsado do rail para os descendentes (footer, perfil, itens no slot de footer) — assim o conteúdo do footer colapsa sozinho sem o consumidor precisar propagar isCollapsed.

Inheritance

• Object
• DiagnosticableTree
• Widget
• ProxyWidget
• InheritedWidget
• AppNavigationRailScope

Constructors

AppNavigationRailScope({required bool isCollapsed, required Widget child, VoidCallback? onToggleCollapsed, Key? key})

const

Properties

child → Widget

The widget below this widget in the tree.

final, inherited

hashCode → int

The hash code for this object.

no setter, inherited

isCollapsed → bool

Rail está no modo colapsado (estreito, só ícones).

final

key → Key?

Controls how one widget replaces another widget in the tree.

final, inherited

onToggleCollapsed → VoidCallback?

Alterna o colapso. Disponível para o slot footer, que é construído pelo app e portanto não alcança o State do rail.

final

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

createElement() → InheritedElement

Inflates this configuration to a concrete instance.

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

updateShouldNotify(covariant AppNavigationRailScope oldWidget) → bool

Whether the framework should notify widgets that inherit from this widget.

override

Operators

operator ==(Object other) → bool

The equality operator.

inherited

Static Methods

isCollapsedOf(BuildContext context) → bool

Lê o estado colapsado do rail ancestral (false se não houver um).

toggleOf(BuildContext context) → VoidCallback?

Alternador de colapso do rail ancestral (null se não houver um).