fix register update

app/main/models/register_model.rb

@@ -1,10 +1,40 @@
 class RegisterModel < Volt::Model
   field :name
   field :value
+  field :fields
 
   def register_changed reg , old , ins
     self.last._class_name = "" if( self.length > 0)
     self << { :name => ins.to_s , :class_name => "active" }
   end
 
+  def register_changed reg , old , value
+    reg = reg.symbol unless reg.is_a? Symbol
+    return unless reg == name
+    self.value = value
+    calc_fields
+  end
+
+  def object_changed reg
+    reg = reg.symbol unless reg.is_a? Symbol
+    return unless reg == name
+    puts "Object changed in #{reg}"
+    calc_fields
+  end
+
+  def calc_fields
+    #puts "My id #{objects_id} , #{objects_id.class}"
+    object = Virtual.machine.objects[value]
+    if object and ! object.is_a?(String)
+      self.fields.clear
+      clazz = object.class.name.split("::").last
+      #puts "found #{clazz}"
+      self.fields << clazz
+      object.get_instance_variables.each do |variable|
+        f = object.get_instance_variable(variable)
+        self.fields << f
+      end
+    end
+  end
+
 end