MVCUndoRedoModel

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Class MVCUndoRedoModel

Object
   |
   +--GrvObject
         |
         +--MVCObserver
               |
               +--MVCModel
                     |
                     +--MVCListModel
                           |
                           +--MVCDequeModel
                                 |
                                 +--MVCUndoRedoModel

class MVCUndoRedoModel
extends MVCDequeModel

This class encapsulates the data model for the Command Dequeue which supports deep undo and redo. NOTE: This logic invokes the "synchronized" version of the MVCCommand API.
Version: 2.0

Author: Bruce Wallace (PolyGlotInc.com)
Defined in grvMVC.js

Constructor Summary
`MVCUndoRedoModel ()`

Method Summary
`String`	`cmdDesc(i)` iff command index is defined, return command description
`String`	`hasReDo()` iff there is another redo-able command return its description
`String`	`hasUnDo()` iff there is another undo-able command return its description
`void`	`konstructor()`
`void`	`newDo(c)` Add a new command object to the top of the "stack" and "do" it.
`void`	`reDo( )` "unpop the top" command object and "redo" it.
`void`	`unDo( )` "pop the top" command object and "undo" it.

Methods inherited from class MVCDequeModel



_reset, addFirst, addLast, delFirst, delLast, enqueue, dequeue, push, pop, top, upIndex, _up, downIndex, _down, _cutback

Methods inherited from class MVCListModel



clone, dump, hash, _pop, _push, _del, getCount, getItem, getItemStr, addItem, delItem, reset, iterate, addBefore, getMemento, setMemento

Methods inherited from class MVCModel



dumpSubscribers, toString, dirty, clean, neverChanged, publish, GET, _SET, SET, updateStamp, BeginTransaction, EndTransaction, reloaded, addObserver, delObserver, notifyObservers

Methods inherited from class MVCObserver



update, subscribe

Methods inherited from class GrvObject



souper, souper_, isInstanceOf

Constructor Detail