Refs #6683; Uniformize the time_zones notation

1 files changed, 24 insertions, 0 deletions

diff --git a/app/inputs/full_time_zone_input.rb b/app/inputs/full_time_zone_input.rb
new file mode 100644
index 000000000..f5d8a9ba2
--- /dev/null
+++ b/app/inputs/full_time_zone_input.rb
@@ -0,0 +1,24 @@
+class FullTimeZoneInput < SimpleForm::Inputs::CollectionSelectInput
+  def collection
+    @collection ||= begin
+      collection = options.delete(:collection) || ActiveSupport::TimeZone::MAPPING
+      collection.respond_to?(:call) ? collection.call : collection.to_a
+    end
+  end
+
+  def detect_collection_methods
+    label, value = options.delete(:label_method), options.delete(:value_method)
+
+    label ||= ->(tz) do
+      tz = ActiveSupport::TimeZone[tz.last]
+      "(#{tz.formatted_offset}) #{tz.name}"
+    end
+    value ||= :last
+
+    [label, value]
+  end
+
+  def input(wrapper_options = {})
+    super wrapper_options
+  end
+end