TreeNode<T> class

Represents a node in the TreeView hierarchy.

Example:

final node = TreeNode<String>(
  ValueKey('root'),
  'Root Node',
  [
    TreeNode<String>(ValueKey('child1'), 'Child 1'),
    TreeNode<String>(ValueKey('child2'), 'Child 2'),
  ],
  true, // initially expanded
);

Constructors

TreeNode(Key key, T data, [List<TreeNode<T>>? children, bool isExpanded = false])

Creates a tree node with the specified key, data, optional children, and initial expansion state.

Properties

children → List<TreeNode<T>>

The child nodes of this node.

final

data → T

The data associated with this node.

final

hashCode → int

The hash code for this object.

no setter, inherited

isExpanded → ValueNotifier<bool>

Gets the current expansion state of the node.

no setter

key → Key

The unique key for this node.

final

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

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