SelectionView
One of those concepts is the workbench-selection in eclipse. It enables such cool features like the java browsing perspective, is used for adding to contextmenus in a plugable fashion and can be used from built as well as home-made plugins.
to understand this thing better and show the newbie developer whats in this selection this plugin can be used!
Storyit can be observed really often in software development, that a very simple concept leads to beautiful and at the same time useful code and programs.
The sources are located in my private svn repository, which i access with git.