jquery.plugin.coffee

(($) ->
    class Plugin
        constructor: (@element, @settings) ->
            console.log @element
            @element.bind
                'click' : @started
                'blur'  : @stopped
        
        started: (e) => @settings.start.call @element, e
        stopped: (e) => @settings.stop.call @element, e
    
    $.plugin =
        globalSettings:
            start : -> @fadeOut()
            stop  : -> @fadeIn()
        
    $.fn.plugin = (settings = {}) ->
        settings = $.extend {}, $.plugin.globalSettings, settings
        @each -> new Plugin $(@), settings
)(@jQuery)

jquery.plugin.js

(function ($) {
    var Plugin = function (element, settings) {
        this.element = element;
        this.settings = settings;

        this.element.bind({
            'click' : $.proxy(this.started, this),
            'blur'  : $.proxy(this.stopped, this)
        });
    };

    Plugin.prototype.started = function (e) {
        return this.settings.start.call(this.element, e);
    };

    Plugin.prototype.stopped = function (e) {
        return this.settings.stop.call(this.element, e);
    };

    $.plugin = {
        globalSettings: {
            start : function () {
                return this.fadeOut();
            },
            stop  : function () {
                return this.fadeIn();
            }
        }
    };

    $.fn.plugin = function (settings) {
        var settings = $.extend({}, $.plugin.globalSettings, settings || {});

        return this.each(function () {
            new Plugin($(this), settings);
        });
    };
}(this.jQuery));