feature/scroll-top — Allows to scroll back to the top of an ion conte…

…nt by clicking the view title.

Useful on android cause it is not built-in like in iOS (status bar).

app/app.jade

@@ -20,6 +20,8 @@ html
 
         ion-nav-view
 
+        scroll-top
+
         // I'm not concatenating vendors to ease debugging without source maps.
         // In a cordova app, we can afford it.
         script(src='js/jquery.js')

app/common/scroll-top/scroll-top.directive.js

@@ -0,0 +1,32 @@
+(function () {
+    'use strict';
+
+    angular
+        .module('app')
+        .directive('scrollTop', scrollTopDirective);
+
+    function scrollTopDirective($ionicScrollDelegate) {
+
+        var directive = {
+            link: link,
+            restrict: 'E',
+            scope: {}
+        };
+        return directive;
+
+        ////////////
+
+        function link(scope) {
+            $('ion-nav-bar').on('click', '.title', function(){
+                scope.$apply(scrollTop);
+            });
+        }
+
+        function scrollTop(){
+            $ionicScrollDelegate.scrollTop(true);
+        }
+
+    }
+
+})();
+