FadeTransitionRegion.coffee

FadeTransitionRegion = Backbone.Marionette.Region.extend

  show: (view)->
    @ensureEl()
    view.render()

    @close ->
      return if @currentView and @currentView isnt view

      @currentView = view

      @open view, ->
        view.onShow?()
        view.trigger "show"
        @onShow? view
        @trigger "view:show", view

  close: (cb) ->
    view = @currentView
    delete @currentView

    if not view
      cb?.call @
      return

    view.fadeOut =>
      view.close?()
      @trigger "view:closed", view
      cb?.call @

  open: (view, callback) ->
    @$el.html view.$el.hide()
    view.fadeIn =>
      callback.call @

FadeTransitionRegion.js

// Generated by CoffeeScript 1.6.1
var FadeTransitionRegion;

FadeTransitionRegion = Backbone.Marionette.Region.extend({
  show: function(view) {
    this.ensureEl();
    view.render();
    return this.close(function() {
      if (this.currentView && this.currentView !== view) {
        return;
      }
      this.currentView = view;
      return this.open(view, function() {
        if (typeof view.onShow === "function") {
          view.onShow();
        }
        view.trigger("show");
        if (typeof this.onShow === "function") {
          this.onShow(view);
        }
        return this.trigger("view:show", view);
      });
    });
  },
  close: function(cb) {
    var view,
      _this = this;
    view = this.currentView;
    delete this.currentView;
    if (!view) {
      if (cb != null) {
        cb.call(this);
      }
      return;
    }
    return view.fadeOut(function() {
      if (typeof view.close === "function") {
        view.close();
      }
      _this.trigger("view:closed", view);
      return cb != null ? cb.call(_this) : void 0;
    });
  },
  open: function(view, callback) {
    var _this = this;
    this.$el.html(view.$el.hide());
    return view.fadeIn(function() {
      return callback.call(_this);
    });
  }
});