support reordering of static tabs in studio

cms/static/coffee/src/views/tabs.coffee

@@ -15,7 +15,7 @@ class CMS.Views.TabsEdit extends Backbone.View
 
     @$('.components').sortable(
       handle: '.drag-handle'
-      update: (event, ui) => alert 'not yet implemented!'
+      update: @tabMoved
       helper: 'clone'
       opacity: '0.5'
       placeholder: 'component-placeholder'
@@ -24,6 +24,20 @@ class CMS.Views.TabsEdit extends Backbone.View
       items: '> .component'
     )    
 
+  tabMoved: (event, ui) =>
+    tabs = []
+    @$('.component').each((idx, element) =>
+        tabs.push($(element).data('id'))
+    )
+    $.ajax({
+      type:'POST',
+      url: '/reorder_tabs', 
+      data: JSON.stringify({
+        tabs : tabs
+      }),
+      contentType: 'application/json'
+    })
+
   addNewTab: (event) =>
     event.preventDefault()