TreeRow<T> class

One row produced by flattening the tree for the current expansion / filter state. Carries everything the view needs to paint a single line, including the ancestor "has a following sibling" flags used to draw the indent guide-lines (│ ├ └).

Annotations

• @immutable

Constructors

TreeRow({required TreeNode<T> node, required int depth, required bool expanded, required bool hasChildren, required bool isLast, required List<bool> ancestorHasNext})

const

Properties

ancestorHasNext → List<bool>

For each ancestor depth, whether that ancestor has a following sibling — i.e. whether to draw a continuing vertical guide at that column.

final

depth → int

Nesting depth (0 for roots).

final

expanded → bool

Whether this node is currently expanded (only meaningful for folders).

final

hasChildren → bool

Whether the node has children to disclose.

final

hashCode → int

The hash code for this object.

no setter, inherited

isLast → bool

Whether the node is the last among its visible siblings (└ vs ├).

final

node → TreeNode<T>

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() → TreeNodeId

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited