Finds the component that the given node represents. Subclasses may
wish to override this to retrieve the component in different manner.
Parameters: node - the Node from which to get the component. the component, or null if none.
Returns the name of this type, to be displayed in a menu. Ideally
this should be the name of the view or editor that this type will
open the component in (e.g. "Design").
name of this type.