feature(macAutocomplete): Added option to update mac-menu classes

Closes #166

src/directives/autocomplete.coffee

@@ -57,6 +57,8 @@ Source support multiple types:
 @param {String}  mac-autocomplete-label The label to display to the users (default "name")
 @param {String}  mac-autocomplete-query The query parameter on GET command (default "q")
 @param {Integer} mac-autocomplete-delay Delay on fetching autocomplete data after keyup (default 800)
+
+@param {Expr} mac-menu-class Classes for mac-menu used by mac-autocomplete. For more info, check [ngClass](http://docs.angularjs.org/api/ng/directive/ngClass)
 ###
 
 angular.module("Mac").directive "macAutocomplete", [
@@ -95,13 +97,13 @@ angular.module("Mac").directive "macAutocomplete", [
       # is selected in the menu
       onSelectBool = false
 
-      # NOTE: An isolate scope is created to prevent rootScope pollution
-      $menuScope       = $rootScope.$new(true)
+      $menuScope       = $scope.$new()
       $menuScope.items = []
       $menuScope.index = 0
 
       menuEl = angular.element(document.createElement("mac-menu"))
       menuEl.attr
+        "ng-class":        attrs.macMenuClass or null
         "mac-menu-items":  "items"
         "mac-menu-style":  "style"
         "mac-menu-select": "select(index)"

test/unit/autocomplete.spec.coffee

@@ -2,6 +2,7 @@ describe "Mac autocomplete", ->
   data             = {}
   $compile         = null
   $rootScope       = null
+  $timeout         = null
   keys             = null
   $sniffer         = null
   changeInputValue = null
@@ -10,11 +11,12 @@ describe "Mac autocomplete", ->
   beforeEach module("template/autocomplete.html")
   beforeEach module("template/menu.html")
 
-  beforeEach inject (_$compile_, _$rootScope_, _keys_, _$sniffer_) ->
+  beforeEach inject (_$compile_, _$rootScope_, _keys_, _$sniffer_, _$timeout_) ->
     $compile   = _$compile_
     $rootScope = _$rootScope_
     keys       = _keys_
     $sniffer   = _$sniffer_
+    $timeout   = _$timeout_
 
     data = ["foo", "world", "bar"]
 
@@ -192,11 +194,6 @@ describe "Mac autocomplete", ->
       expect(items[0].value).toBe "foo"
 
   describe "options", ->
-    $timeout = null
-
-    beforeEach inject (_$timeout_) ->
-      $timeout = _$timeout_
-
     it "should use default delay - 800ms", ->
       $rootScope.source = data
 
@@ -337,3 +334,35 @@ describe "Mac autocomplete", ->
       $rootScope.$digest()
 
       expect(element.val()).toBe "hello"
+
+  describe "mac-menu class", ->
+    it "should set classes", ->
+      $rootScope.source  = data
+      $rootScope.classes = {test: true, hello: false}
+
+      element = $compile("<mac-autocomplete ng-model='test' mac-autocomplete-source='source' mac-menu-class='classes'></mac-autocomplete>") $rootScope
+      $rootScope.$digest()
+
+      changeInputValue element, "f"
+      $rootScope.$digest()
+
+      $timeout.flush()
+
+      menuEl = $(".mac-menu")
+
+      expect(menuEl.hasClass "test").toBeTruthy()
+      expect(menuEl.hasClass "hello").toBeFalsy()
+
+    it "should not have ng-class on menu element", ->
+      $rootScope.source  = data
+
+      element = $compile("<mac-autocomplete ng-model='test' mac-autocomplete-source='source'></mac-autocomplete>") $rootScope
+      $rootScope.$digest()
+
+      changeInputValue element, "f"
+      $rootScope.$digest()
+
+      $timeout.flush()
+
+      menuEl = $(".mac-menu")
+      expect(menuEl.attr("ng-class")).toBeFalsy()