Namespaced Events (Moo/CS)

gistfile1.txt

do ->

    splitter = ":" # e.g. foo:click
    key = "events.namespace." # e.g. events.namespace.foo

    # do not edit below this line unless you know what you are doing!

    addNamespaceEvent = (name, callback, s) ->
        [namespace, type] = name.split(s or splitter)
        cache = @retrieve(key + namespace) or {}

        cache[type] ?= []
        cache[type].push(callback)

        @addEvent(type, callback)
        @store(key + name, cache)

    addNamespaceEvents = (events, s) ->
        @addNamespaceEvent(name, callback, s) for own name, callback of events

    removeNamespaceEvent = (name, s) ->
        [namespace, type] = name.split(s or splitter)
        cache = @retrieve(key + namespace) or {}
        cache[type] ?= []

        for own index, callback of cache[type]
            @removeEvent(type, callback)

        delete cache[type]

    removeNamespaceEvents = (namespace, s) ->
        cache = @retrieve(key + namespace) or {}

        for own type of cache
            @removeNamespaceEvent(namespace + (s or splitter) + type)

        @erase(key + namespace)

    Element.implement({
        "addNamespaceEvent": addNamespaceEvent
        "addNamespaceEvents": addNamespaceEvents
        "removeNamespaceEvent": removeNamespaceEvent
        "removeNamespaceEvents": removeNamespaceEvents
    })

    Window.implement({
        "addNamespaceEvent": addNamespaceEvent
        "addNamespaceEvents": addNamespaceEvents
        "removeNamespaceEvent": removeNamespaceEvent
        "removeNamespaceEvents": removeNamespaceEvents
    })

    Document.implement({
        "addNamespaceEvent": addNamespaceEvent
        "addNamespaceEvents": addNamespaceEvents
        "removeNamespaceEvent": removeNamespaceEvent
        "removeNamespaceEvents": removeNamespaceEvents
    })

    return