Make country select searchable in registrar form

Gemfile

@@ -61,6 +61,9 @@ gem 'devise', '~> 3.3.0'
 # for archiving
 gem 'paper_trail', '~> 3.0.5'
 
+# for select
+gem 'selectize-rails', '~> 0.11.0'
+
 group :assets do
   # See https://github.com/sstephenson/execjs#readme for more supported runtimes
   gem 'therubyracer',  platforms: :ruby

Gemfile.lock

@@ -218,6 +218,7 @@ GEM
     sdoc (0.4.1)
       json (~> 1.7, >= 1.7.7)
       rdoc (~> 4.0)
+    selectize-rails (0.11.0)
     shoulda-matchers (2.6.2)
       activesupport (>= 3.0.0)
     simplecov (0.9.1)
@@ -302,6 +303,7 @@ DEPENDENCIES
   rspec-rails (~> 3.0.2)
   sass-rails (~> 4.0.3)
   sdoc (~> 0.4.0)
+  selectize-rails (~> 0.11.0)
   shoulda-matchers (~> 2.6.1)
   simplecov (~> 0.9.1)
   simpleidn (~> 0.0.5)

app/assets/javascripts/app.js.coffee

@@ -1,4 +1,5 @@
 ready = ->
+  $('.selectize').selectize();
 
 $(document).ready(ready)
 $(document).on('page:load', ready)

app/assets/javascripts/application.js.coffee

@@ -7,6 +7,8 @@
 #= require typeahead.bundle.min
 #= require autocomplete
 #= require jquery.nested_attributes
+#= require selectize
+#= require app
 
 NProgress.configure
   showSpinner: false

app/assets/stylesheets/application.css.scss

@@ -4,4 +4,6 @@
 @import "nprogress-bootstrap";
 @import "bootstrap-ext";
 @import "typeaheadjs";
+@import "selectize";
+@import "selectize.bootstrap3";
 @import "app";

app/views/admin/registrars/_form.haml

@@ -21,7 +21,7 @@
     .col-md-6.text-left
       .form-group
         = f.label :country_id
-        = f.select :country_id, options_for_select(Country.all.map{|x| [x.name, x.id]}, @registrar.country_id), {}, {class: 'form-control'}
+        = f.select :country_id, options_for_select(Country.all.map{|x| [x.name, x.id]}, @registrar.country_id), {}, {class: 'form-control selectize'}
       .form-group
         = f.label :address
         = f.text_field(:address, class: 'form-control')