I created the Django Debug Toolbar similarly with a single toolbar that contained many panels. The toolbar itself is a piece of middleware that instantiates each panel object on request, and performs processing and rendering as the response is being written back to the browser. In this way it is essentially a set of middleware classes (the panels) grouped together to display a single toolbar. Each panel subclasses a base panel class and overrides a few methods to render the toolbar.
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Posted by Tim at September 21, 2008 07:38 PM
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