Update of "Accordion"

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Artifact ID: 31cc608a381d687afe01e3c6fe2daab3fc559708
Page Name:Accordion
Date: 2014-07-12 19:15:10
Original User: schelte

The accordion widget is a vertically stacked list of items represented via buttons. By clicking on a button, the item can be "expanded" or "stretched" to reveal the content associated with that item. Within each accordion widget there is always exactly one item "active". When a new item is stretched, the previously active item shrinks back to only show its button.

The accordion widget is similar in purpose to a notebook widget. The accordion widget is useful when dealing with long item descriptions because in that case you quickly run out of horizontal space on a notebook widget.

Since the accordion widget is so similar to a notebook widget, the API is kept as close as possible to that of the ttk::notebook widget.