Interface UndoableTreeNode

The interface for nodes in a tree-based history.

interface UndoableTreeNode {
    children: UndoableTreeNode[];
    id: number;
    lastChildUndone: undefined | UndoableTreeNode;
    parent: undefined | UndoableTreeNode;
    undoable: Undoable;
    visualSnapshot: UndoableSnapshot;
    redo(): void;
    undo(): void;
}

Index

Properties

children id lastChildUndone parent undoable visualSnapshot

Methods

Properties

`Readonly` children

children: UndoableTreeNode[]

The children of the node.

`Readonly` id

id: number

The unique ID of the node among the tree.

lastChildUndone

lastChildUndone: undefined | UndoableTreeNode

Among the children of the node, iidentifies the one that was undone recently.

`Readonly` parent

parent: undefined | UndoableTreeNode

The possible parent node.

`Readonly` undoable

undoable: Undoable

The undoable object contained in the node.

`Readonly` visualSnapshot

visualSnapshot: UndoableSnapshot

The visual snapshot of the node. Used to render the tree history.

Methods

redo

redo(): void
Redoes the undoable object of this node.

Returns void
- Defined in api/undo/TreeUndoHistory.ts:62

undo

undo(): void
Undoes the undoable object of this node.

Returns void
- Defined in api/undo/TreeUndoHistory.ts:57

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