CmdManager.kl

Types

CmdManager (object)

The command manager contains and manages the command undo-redo stack.

The command manager follows this pattern : http://kapo-cpp.blogspot.ca/2007/10/multilevel-undo-with-command-pattern.html

参考

HandlerDispatcher, Cmd, BaseCmd

Members

Cmd[]	undoStack	Array of undo commands
Cmd[]	redoStack	Array of redo commands

Methods

	CmdManager ( in CmdManager other )
	CmdManager ()
	clearRedoStack ! ()
CmdManager	clone ? ()
Boolean	exec ! ( io Cmd cmd )
Ref<Cmd>	getCmdInUndoStack ? ( in Index index )
Size	getNumCmdInUndoStack ? ()
Ref<CmdManager>	getOrCreateCmdManager ? ()
Boolean	redo ! ()
Boolean	undo ! ()

Functions

GetOrCreateCmdManager

CmdManager GetOrCreateCmdManager ()

Gets the CmdManager singleton, or constructs it if it didn’t exist.