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YUI3 Undo Framework
YUI3 Undo Framework allows adding undo/redo functionality to an application.
It consists of two classes:- UndoManager
- UndoableAction
UndoManager manages a list of UndoableAction-s. In addition to standard undo/redo functionality, YUI3 Undo Framework supports asynchronous actions too. An asynchronous action must fire undoFinished event in order to notify that its undo/redo process has been finished.
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YUI3 Accordion widget
Accordion widget for YUI3 allows grouping items, containing arbitrary data inside. These items can be:
- expanded
- collapsed
- closed
- reordered by using drag and drop
- set as always visible
The height of the content inside each item can be set in three different ways:
- auto - the browser will calculate content height
- fixed - content height will be exactly X pixels
- stretch - content height will be calculated, based on the height of the other items in the Accordion