This prototype represents a collection of
ProjectModifier-class objects.
ProjectModifier-class objects stored
in the collection.
x$print()
x$show()
x$repr()
x$ids()
x$length()
x$add
x$remove(id)
x$get_parameter(id)
x$set_parameter(id, value)
x$render_parameter(id)
x$render_all_parameters()
id object.
any object.
print the object.
show the object.
character representation of object.
character ids for objects inside collection.
integer number of objects inside collection.
add ProjectModifier-class object.
remove an item from the collection.
retrieve the value of a parameter in the object
using an id object.
change the value of a parameter in the object to a new object.
generate a shiny widget to modify the
the value of a parameter (specified by argument id).
generate a div
containing all the parameters" widgets.