Class: UndoSupport

• Inheritance
• Description
• Related information
• Class protocol
  • instance creation
• Instance protocol
  • accessing
  • initialization
  • undo & again
• Private classes
• Examples

Inheritance:

   Object
   |
   +--UndoSupport

Package:

stx:libbasic2

Category:

Views-Text

Version:

rev: 1.10 date: 2009/05/04 14:42:09

user: cg

file: UndoSupport.st directory: libbasic2

module: stx stc-classLibrary: libbasic2

Author:

(cg@betti)

Description:

Framework for undo & redo.
See concrete usage in EditTextView.


[instance variables:]

[class variables:]

Related information:

Class protocol:

 for: anActionPerformer

 new

Instance protocol:

 actionInfo: aString

 undoLimit

 undoLimit: something

 actionPerformer: something

 initialize

 resetHistories

 addUndo: action

 closeTransactionAndAddTo: aList

 executeActionFrom: doList addUndoTo: unDoList

 hasRedoAction

 hasUndoAction

 lastRedoAction

 lastUndoAction

 nonUndoableDo: aBlock

 redo

 redoActionInfo

 undo

 undoActionInfo

 undoableDo: aBlock

 undoableDo: aBlock info: aString

Private classes:

    CompoundAction

Examples: