Chapter 11. Plug-Ins
by Dan McGhan
APEX has long been extensible. It was built in such a way that developers could add custom content to just about any part of a page constructed by the framework. The problem, however, was twofold. First, you had to be familiar with the related technologies to step outside of the declarative environment that APEX provides. Second, even if you had enough knowledge to accomplish a customization, repeating it on another page, or another application altogether, was often quite cumbersome.
The APEX plug-in architecture, introduced with APEX 4.0, solves the latter of those problems. You still have to have sufficient knowledge of the related technologies, which most often involve SQL, PL/SQL, HTML, CSS, and JavaScript. ...
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