aboutsummaryrefslogtreecommitdiffstats
path: root/actionview/lib/action_view/helpers/form_helper.rb
diff options
context:
space:
mode:
Diffstat (limited to 'actionview/lib/action_view/helpers/form_helper.rb')
-rw-r--r--actionview/lib/action_view/helpers/form_helper.rb11
1 files changed, 9 insertions, 2 deletions
diff --git a/actionview/lib/action_view/helpers/form_helper.rb b/actionview/lib/action_view/helpers/form_helper.rb
index 5a9a5d6d18..2a367b85af 100644
--- a/actionview/lib/action_view/helpers/form_helper.rb
+++ b/actionview/lib/action_view/helpers/form_helper.rb
@@ -1038,7 +1038,7 @@ module ActionView
# date_field("user", "born_on")
# # => <input id="user_born_on" name="user[born_on]" type="date" />
#
- # The default value is generated by trying to call "to_date"
+ # The default value is generated by trying to call +strftime+ with "%Y-%m-%d"
# on the object's value, which makes it behave as expected for instances
# of DateTime and ActiveSupport::TimeWithZone. You can still override that
# by passing the "value" option explicitly, e.g.
@@ -1617,7 +1617,14 @@ module ActionView
@auto_index
end
- record_name = index ? "#{object_name}[#{index}][#{record_name}]" : "#{object_name}[#{record_name}]"
+ record_name = if index
+ "#{object_name}[#{index}][#{record_name}]"
+ elsif record_name.to_s.end_with?('[]')
+ record_name = record_name.to_s.sub(/(.*)\[\]$/, "[\\1][#{record_object.id}]")
+ "#{object_name}#{record_name}"
+ else
+ "#{object_name}[#{record_name}]"
+ end
fields_options[:child_index] = index
@template.fields_for(record_name, record_object, fields_options, &block)