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Each eventspace has an instance of editor-data-class-list<%>,
obtained with (get-the-editor-data-class-list). New
instances cannot be created directly. This list keeps a list of
editor data classes; this list is needed for loading snips from a
file. See also Editor Data.
method
snipclass : (is-a?/c editor-data-class%)
Adds a snip data class to the list. If a class with the same name already
exists in the list, this one will not be added.
Finds a snip data class from the list with the given name, returning
#f if none can be found.
method
(send an-editor-data-class-list find-position class)
→ exact-nonnegative-integer? class : (is-a?/c editor-data-class%)
Returns an index into the list for the specified class.
method
→ (or/c (is-a?/c editor-data-class%) #f) n : exact-nonnegative-integer?
Returns the nth class in the list (counting from 0), returning
#f if the list has n or less classes.
method
→ exact-nonnegative-integer?
Returns the number of editor data classes in the list.