Flexponential

A common use for a List is the master/detail UI pattern. When the user clicks on an item, it expands, revealing more detail about the item. Previously we’ve shown an example of a List with expanding item renderer. This post demonstrates a similar idea except will scroll items into view as they expand.
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The spark TitleWindow allows you to drag it around the stage through the use of a skin part called “moveArea”. By attaching mouse handlers to the moveArea, the TitleWindow can be dragged around the screen. In a similar fashion, we can add another skin part called “resizeHandle” to allow the TitleWindow to be resizable.
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