extensions.rb in clevic-0.8.0

- old
+ new

@@ -130,8 +130,24 @@
       @entity ||= model.collection[row]
     end
     
     attr_writer :entity
     
+    # return true if validation failed for this indexes field
+    def has_errors?
+      # virtual fields don't have metadata
+      if metadata.nil?
+        false
+      else
+        entity.errors.invalid?( field_name.to_sym )
+      end
+    end
+    
+    # return a collection of errors. Unlike AR, this
+    # will always return an array that will have zero, one
+    # or many elements.
+    def errors
+      [ entity.errors[field_name.to_sym] ].flatten
+    end
   end
 
 end