Extending and Customising Plone 3
Plone 3 introduces several new features, such as an improved Portlets infrastructure, the Content Rules engine, a more pluggable UI based on viewlets and a more flexible menu system. This tutorial, structured as a series of short walk-throughs, will teach you: - How to make a new portlet the Plone 3 way - How to create a new content rule action or condition - How to plug into the standard UI using viewlets - How to add new drop-down menus to the content menu bar