TreeNode<T> class

A single node in a TreeView.

Constructors

TreeNode({required String label, T? value, IconData? icon, List<TreeNode<T>> children = const [], bool isExpanded = false, Widget? trailing})

Properties

children → List<TreeNode<T>>

Nested child nodes.

final

hasChildren → bool

Whether this node has nested children.

no setter

hashCode → int

The hash code for this object.

no setter, inherited

icon → IconData?

Leading icon.

final

isExpanded ↔ bool

Whether this node is currently expanded.

getter/setter pair

label → String

Node title label.

final

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

trailing → Widget?

Optional trailing widget (e.g. badge, count, action button).

final

value → T?

Optional generic payload value.

final

Methods

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited