add flash notice via javascript

app/assets/javascripts/application/collections.coffee

@@ -69,6 +69,8 @@ $(document).on 'submit', '#collections-modal-form', (evt, params) ->
     if (data.type == "move")
       url = '/collections/' + encodeURIComponent(data.collection_id) + '/learning_objects/' + encodeURIComponent(data.learning_objects_ids.join())
       $.ajax {method: "DELETE", url: url, data: data }
+    $(document).trigger 'flash_notice', {text: 'Operação efetuada com sucesso!', type: 'notice'}
+    $(document).trigger('clear_collections')
     location.reload(true) if !(refreshable_type.indexOf(data.type) < 0)
     $('#collections-modal').modal('hide')
   return
@@ -121,8 +123,9 @@ $(document).on 'click', '.collection-button', ->
 
   if permitted_types[index] == 'remove'
     url = '/collections/' + encodeURIComponent(collection) + '/learning_objects/' + encodeURIComponent(selected_objects.join())
-    $.ajax { method: 'DELETE', url: url } if confirm('Você tem certeza?')
-    location.reload(true)
+    if confirm('Você tem certeza?')
+      $.ajax { method: 'DELETE', url: url }
+      location.reload(true)
   else
     $(document).trigger('open_collections_modal', [collection: collection, type: permitted_types[index], learning_object: selected_objects ]) if !!(~index)
 

app/assets/javascripts/application/notice.coffee

+# flash notice ()
+$(document).on 'flash_notice', (e, params) ->
+  text = params.text
+  type = params.type
+  alert_type = if (type == 'alert') then 'alert-danger alert-dismissible' else 'alert-info'
+
+  html = '<div class="alert '+ alert_type + '" role="alert">
+            <button type="button" class="close" data-dismiss="alert" aria-label="Fechar">
+              <span aria-hidden="true">&times;</span></button>' + text + '</div>'
+
+  $('#content').prepend($(html))

app/views/layouts/application.html.erb

@@ -28,7 +28,9 @@
       </div>
   <% end %>
 
-  <%= yield %>
+  <div id="content">
+    <%= yield %>
+  </div>
 </div>
 
 <%= render 'shared/application/footer' %>