Software Customisation Reference Manual
Summary of Objects, Members and Methods : Object Type Details : UNDOABLE Object
UNDOABLE Object
This object allows you to add functionality to the undo and redo stacks.
Methods
 
Name
Result
Purpose
description(STRING)
NO RESULT
Adds description text to the undoable
add()
NO RESULT
Marks the database with the description text and adds this undoable to the undo stack
endundoable()
NO RESULT
Marks the database again at the end of the change.
undoAction (STRING)
NO RESULT
Specify a command to be executed when this undoable is taken off the undo stack
redoAction(STRING)
NO RESULT
Specify a command to execute when this undoable is taken off the redo stack.
clearAction(STRING)
NO RESULT
Specify a command to execute when this undoable is cleared without any associated undo/redo being performed.
Command
To use this object, first create an undoable object, and define the undoAction(), redoAction() and clearAction() methods to define the execution strings.
Call the method add() to mark the database and add the undoable object to the undo stack.
Make the set of changes that you may wish to undo, then call the method endundoable() to mark the end of the changes.
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