Add order direction to table overview.

app/assets/javascripts/app/controllers/_application_controller_table.coffee

@@ -72,7 +72,7 @@ class App.ControllerTable extends App.Controller
           'mouseover':  rowMouseover
           'mouseout':   rowMouseout
           'dblclick':   rowDblClick
-      callbackHeader:   callbackHeader
+      callbackHeader:   [callbackHeader]
       callbackAttributes:
         attributeName: [
           callbackAttributes
@@ -161,7 +161,8 @@ class App.ControllerTable extends App.Controller
 
     # execute header callback
     if data.callbackHeader
-      header = data.callbackHeader(header)
+      for callback in data.callbackHeader
+        header = callback(header)
 
     # get content
     @log 'debug', 'table', 'header', header, 'overview', 'objects', data.objects

app/assets/javascripts/app/controllers/ticket_overview.coffee

@@ -264,15 +264,28 @@ class Table extends App.Controller
           @el.find('.bulkAction').addClass('hide')
         else
           @el.find('.bulkAction').removeClass('hide')
-      callbackIconHeader = (header) ->
+      callbackIconHeader = (headers) ->
         attribute =
           name:       'icon'
           display:    ''
           translation: false
           style:      'width: 28px'
-        header.unshift(0)
-        header[0] = attribute
-        header
+        headers.unshift(0)
+        headers[0] = attribute
+        headers
+      callbackSortOrderHeader = (headers) =>
+        return headers if !@overview
+        return headers if !@overview.order
+        return headers if !@overview.order.by
+        for header in headers
+          if header.name is @overview.order.by
+            if @overview.order.direction is 'DESC'
+              header.sortOrderIcon = ['arrow-down', 'table-sort-arrow']
+            else
+              header.sortOrderIcon = ['arrow-up', 'table-sort-arrow']
+          else
+            header.sortOrderIcon = undefined
+        headers
       callbackIcon = (value, object, attribute, header, refObject) ->
         value = ' '
         attribute.class  = object.iconClass()
@@ -294,7 +307,7 @@ class Table extends App.Controller
         #  customer_id:
         #    events:
         #      'mouseover': popOver
-        callbackHeader:    callbackIconHeader
+        callbackHeader: [ callbackIconHeader, callbackSortOrderHeader ]
         callbackAttributes:
           icon:
             [ callbackIcon ]

app/assets/javascripts/app/controllers/users.coffee

@@ -107,7 +107,7 @@ class Index extends App.Controller
       model:    App.User
       objects:  users
       class:    'user-list'
-      callbackHeader:   callbackHeader
+      callbackHeader: [callbackHeader]
       callbackAttributes:
         switch_to: [
           callbackAttributes

app/assets/javascripts/app/controllers/widget/ticket_list.coffee

@@ -46,7 +46,7 @@ class App.TicketList extends App.Controller
       overview: [ 'number', 'title', 'customer', 'group', 'created_at' ]
       model:    App.Ticket
       objects:  list
-      callbackHeader: callbackIconHeader
+      callbackHeader: [ callbackIconHeader ]
       callbackAttributes:
         icon:
           [ callbackIcon ]