5-forms.md in activeadmin-1.0.0.pre5

- old
+ new

@@ -1,5 +1,8 @@
+---
+redirect_from: /docs/5-forms.html
+---
 # Forms
 
 Active Admin gives you complete control over the output of the form by creating
 a thin DSL on top of [Formtastic](https://github.com/justinfrench/formtastic):
 
@@ -94,11 +97,12 @@
       f.has_many :taggings, sortable: :position, sortable_start: 1 do |t|
         t.input :tag
       end
     end
     f.inputs do
-      f.has_many :comment, new_record: 'Leave Comment' do |b|
+      f.has_many :comment, new_record: 'Leave Comment',
+        allow_destroy: proc { |comment| comment.author?(current_admin_user) } do |b|
         b.input :body
       end
     end
     f.actions
   end
@@ -106,17 +110,17 @@
 end
 ```
 
 The `:allow_destroy` option adds a checkbox to the end of the nested form allowing
 removal of the child object upon submission. Be sure to set `allow_destroy: true`
-on the association to use this option.
+on the association to use this option. It is possible to associate `:allow_destroy` with a string or a symbol, corresponding to the name of a child object's method that will get called, or with a Proc object. The Proc object receives the child object as a parameter and should return either true or false.
 
 The `:heading` option adds a custom heading. You can hide it entirely by passing `false`.
 
 The `:new_record` option controls the visibility of the new record button (shown by default).
 If you pass a string, it will be used as the text for the new record button.
 
-The `:sortable` option adds a hidden field and will enable drag & drop sorting of the children. It 
+The `:sortable` option adds a hidden field and will enable drag & drop sorting of the children. It
 expects the name of the column that will store the index of each child.
 
 The `:sortable_start` option sets the value (0 by default) of the first position in the list.
 
 ## Datepicker