some real models

app/main/models/blocks_model.rb

@@ -0,0 +1,8 @@
+class BlocksModel < Volt::ArrayModel
+
+  def instruction_changed old , ins
+    self.last._class_name = "" if( page._blocks.length > 0)
+    self << { :name => ins.to_s , :class_name => "active" }
+  end
+
+end

app/main/models/register_model.rb

@@ -0,0 +1,10 @@
+class RegisterModel < Volt::Model
+  field :name
+  field :value
+
+  def register_changed reg , old , ins
+    self.last._class_name = "" if( page._blocks.length > 0)
+    self << { :name => ins.to_s , :class_name => "active" }
+  end
+
+end

app/main/models/user.rb

@@ -1,12 +0,0 @@
-# By default Volt generates this User model which inherits from Volt::User,
-# you can rename this if you want.
-class User < Volt::User
-  # login_field is set to :email by default and can be changed to :username
-  # in config/app.rb
-  field login_field
-  field :name
-
-  validate login_field, unique: true, length: 8
-  validate :email, email: true
-
-end