fers_builder: Builds a Figure Element R Statement From UI Elements:
Description
Takes the current ui elements and constructs the appropriate
ggplot commands forom the user input. The plot commands assume the existance
of a ggplot object p.
Usage
fers_builder(state)
Value
list containing the following elements
isgood: Return status of the function.
cmd: ggplot R command as a character string
element: The type of element being added
pll: Preload list (pll) containing components to save with
mk_preload.