Refactor diary entry forms to use a custom form builder

lib/richtext_form_builder.rb

@@ -0,0 +1,15 @@
+class RichtextFormBuilder < BootstrapForm::FormBuilder
+  def richtext_field(attribute, options = {})
+    id = "#{@object_name}_#{attribute}"
+    type = options.delete(:format) || "markdown"
+
+    @template.render(:partial => "shared/richtext_field",
+                     :locals => { :object => @object,
+                                  :attribute => attribute,
+                                  :object_name => @object_name,
+                                  :id => id,
+                                  :type => type,
+                                  :options => options,
+                                  :builder => self })
+  end
+end