Long, long, long time no post. A job change and a two-year-old will do that to
you.
On today's menu: how to make a JRootPane subclass that can pop
itself in and out of JInternalFrames and JFrames. Let's dive right in.
Background
Different people have different ideas on how an application should work when
it can open many different documents of many different types at the same time,
and, most...