Start contextual editing (on click for instance)
End contextual editing (on blur for instance)
aposRichTextInactive on the widget's DOM element and set or clear the
apos-active CSS class. Reflects what has already happened at the ckeditor level, called on blur and focus events. Does not start and stop editing, not to be called directly.
A convenient override point just before
self.config are passed to
CKEDITOR.inline to launch editing