editor-data-class-list<%> : interface?

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.

(send an-editor-data-class-list add snipclass) → void?

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.

(send an-editor-data-class-list find name)

→ (or/c (is-a?/c snip-class%) false/c)

name : string?

Finds a snip data class from the list with the given name, returning #f if none can be found.

(send an-editor-data-class-list find-position class)

→ nonnegative-exact-integer?

class : (is-a?/c editor-data-class%)

Returns an index into the list for the specified class.

(send an-editor-data-class-list nth n)

→ (or/c (is-a?/c editor-data-class%) false/c)

n : nonnegative-exact-integer?

Returns the nth class in the list (counting from 0), returning #f if the list has n or less classes.

(send an-editor-data-class-list number)

→ nonnegative-exact-integer?

Returns the number of editor data classes in the list.