This is a quick reference for the various features of a qooxdoo mixin declaration. It uses an EBNF-like syntax.

It is much like a class declaration, with a more limited set of features. Properties are documented on their own page.

mixin_decl      := 'qx.Mixin.define' '(' '"' <name.space.MixinName> '"' ','
                     { feature_spec ',' }
                   ')'

feature_spec    := 
                   'include'    ':' include_spec     |
                   'construct'  ':' construct_spec   |
                   'statics'    ':' statics_spec     |
                   'properties' ':' properties_spec  |
                   'members'    ':' members_spec     |
                   'events'     ':' events_spec      |
                   'destruct'   ':' destruct_spec 

include_spec    := <name.of.Mixin> | 
                   '[' <name.of.Mixin1> ',' <name.of.Mixin2> ',' ... ']'

construct_spec  := js_function_value

statics_spec    := c_map

properties_spec := ? see separate properties quick ref ?

members_spec    := c_map

events_spec     := '{' { '"' <event_name> '"' ':' '"' qx_event_type '"' 
                        ',' } '}'

destruct_spec   := '{' 
                    [ 'this._disposeFields'     '(' <fields_list> ')' ';' ]
                    [ 'this._disposeObjects'    '(' <fields_list> ')' ';' ]
                    [ 'this._disposeObjectDeep' '(' <deep_field> ')'      ]
                    '}'


c_map           := '{' { <key> ':' [ js_primitive_value | 
                                     js_reference_value | 
                                     js_function_value  |
                                     variants_spec      ] ',' } '}'

js_function_value   := ? Javascript anonymous function 'function (...) {...}' ?
js_primitive_value  := ? any value from the Javascript primitive types ?
js_reference_value  := ? any value from the Javascript reference types ?
qx_event_type       := ? any qooxdoo event type class name, e.g. 
                         'qx.event.type.DataEvent' ?