Moved to build in confirm dialog.

app/assets/javascripts/app/controllers/_application_controller_generic.js.coffee

@@ -167,7 +167,9 @@ class App.ControllerGenericIndex extends App.ControllerContent
 
   destroy: (e) ->
     item = $(e.target).item( App[ @genericObject ] )
-    item.destroy() if confirm('Sure?')
+    new DestroyConfirm(
+      item: item
+    )
 
   new: (e) ->
     e.preventDefault()
@@ -176,6 +178,27 @@ class App.ControllerGenericIndex extends App.ControllerContent
       genericObject: @genericObject
     )
 
+class DestroyConfirm extends App.ControllerModal
+  constructor: ->
+    super
+    @render()
+
+  render: ->
+    @html App.view('modal')(
+      title:   'Confirm'
+      message: 'Sure to delete this object?'
+      cancel:  true
+      button:  'Yes'
+    )
+    @modalShow(
+      backdrop: true,
+      keyboard: true,
+    )
+
+  submit: (e) =>
+    @modalHide()
+    @item.destroy()
+
 class App.ControllerLevel2 extends App.ControllerContent
   events:
     'click [data-toggle="tabnav"]': 'toggle',

test/browser/manage_test.rb

@@ -184,8 +184,8 @@ class ManageTest < TestCase
             :value   => 2,
           },
           {
-            :execute => 'accept',
-            :element => :alert,
+            :execute => 'click',
+            :css     => '.modal .submit',
           },
           {
             :execute => 'wait',