Panel is a widget that simulates the behavior of an OS window. It is positionable, stackable, and provides support for the standard module format layout, with a header, body and footer section. The header and footer sections can support buttons with specific callback functions. The panel can be modal, and can be auto-focused or hidden when certain UI interactions occur.
Panel is built by extending Widget and adding the WidgetPosition,
WidgetStack, WidgetPositionAlign, WidgetPositionConstrain, WidgetStdMod,
WidgetModality, WidgetAutohide, and WidgetButtons extensions.
Original, full size, images and psd files used in constructing final png and
jpg files, can be found at:
https://github.com/yui/yui-assets/tree/master/components/panel