Class UndoManager

UndoManager class for managing undo actions in the application.

Description

This class provides functionality to manage undo actions, allowing users to revert changes made to the token manager.

Index

Constructors

Accessors

Methods

addCreateUndo addDeleteUndo addOverlappingUndo addUpdateUndo undo undoAll

Constructors

constructor

new UndoManager(): UndoManager
Returns UndoManager

Accessors

canUndo

get canUndo(): boolean
Returns boolean
- Defined in managers/UndoManager.ts:12

Methods

addCreateUndo

addCreateUndo(start: number): void
Add a create undo action to the stack.
Parameters
- start: number
  The start index of the block to be deleted.
Returns void
Description
This method creates a new delete action and adds it to the undo stack.
- Defined in managers/UndoManager.ts:57

addDeleteUndo

addDeleteUndo(block: TMTokenBlock): void
Add a delete undo action to the stack.
Parameters
- block: TMTokenBlock
  The token block to be created.
Returns void
Description
This method creates a new create action and adds it to the undo stack.
- Defined in managers/UndoManager.ts:68

addOverlappingUndo

addOverlappingUndo(
overlappingBlocks: TMTokenBlock[],
newBlockStart: number,
): void
Add an overlapping undo action to the stack.
Parameters
- overlappingBlocks: TMTokenBlock[]
  An array of token blocks that overlap with the new block.
- newBlockStart: number
  The start index of the new block that overlaps with existing blocks.
Returns void
Description
This method creates a new overlapping action and adds it to the undo stack.
- Defined in managers/UndoManager.ts:91

addUpdateUndo

addUpdateUndo(block: TMTokenBlock): void
Add an update undo action to the stack.
Parameters
- block: TMTokenBlock
  The token block to be updated.
Returns void
Description
This method creates a new update action and adds it to the undo stack.
- Defined in managers/UndoManager.ts:79

undo

undo(tokenManager: TokenManager): void
Undo the last action in the stack.
Parameters
- tokenManager: TokenManager
  The TokenManager instance to apply the undo action to.
Returns void
Description
This method pops the last action from the undo stack and executes its callback.
- Defined in managers/UndoManager.ts:32

undoAll

undoAll(tokenManager: TokenManager): void
Undo all actions in the stack.
Parameters
- tokenManager: TokenManager
  The TokenManager instance to apply the undo actions to.
Returns void
Description
This method iterates through the undo stack and applies each action's callback, effectively reverting all changes made.
- Defined in managers/UndoManager.ts:45