PhiaUiDesign.Canvas.History (phia_ui v0.1.17)

@type command() ::
  {:insert, PhiaUiDesign.Canvas.Node.t()}
  | {:delete, PhiaUiDesign.Canvas.Node.t()}
  | {:update, String.t(), map(), map()}
  | {:move, String.t(), String.t() | nil, String.t() | nil, integer()}

Functions

can_redo?(agent)

Check if redo is available

can_undo?(agent)

Check if undo is available

child_spec(arg)

Returns a specification to start this module under a supervisor.

See Supervisor.

clear(agent)

Clear all history

push(agent, command)

Push a command onto the undo stack, clearing redo

redo(agent)

Pop the last command from redo stack (returns nil if empty)

start_link(opts \\ [])

undo(agent)

Pop the last command from undo stack (returns nil if empty)