update for desktop widgets

app/models/desktop/widget_layout.rb

@@ -0,0 +1,18 @@
+class WidgetLayout < DesignFile
+ 
+  attr_reader :content
+
+  field :body
+
+  belongs_to :desktop_widget
+
+
+  def content
+    self.file.read.force_encoding("UTF-8") rescue ''
+  end
+
+  def self.exist_one?
+    WidgetLayout.count > 0
+  end
+  
+end