Add ability to hide sort order indicators via Ransack.configure

Author:    Josh Hunter <josh-hunter@am.com>
Date:      Fri Aug 21 12:21:32 2015 -0500

Closes #577.

README.md

@@ -213,6 +213,15 @@ The sort link may be displayed without the order indicator arrow by passing
 <%= sort_link(@q, :name, hide_indicator: true) %>
 ```
 
+Alternatively, all sort links may be displayed without the order indicator arrow
+by adding this to an initializer file like `config/initializers/ransack.rb`:
+
+```ruby
+Ransack.configure do |c|
+  c.hide_sort_order_indicators = true
+end
+```
+
 ### Advanced Mode
 
 "Advanced" searches (ab)use Rails' nested attributes functionality in order to

lib/ransack/configuration.rb

@@ -8,7 +8,8 @@ module Configuration
     self.predicates = {}
     self.options = {
       :search_key => :q,
-      :ignore_unknown_conditions => true
+      :ignore_unknown_conditions => true,
+      :hide_sort_order_indicators => false
     }
 
     def configure
@@ -67,6 +68,12 @@ def ignore_unknown_conditions=(boolean)
       self.options[:ignore_unknown_conditions] = boolean
     end
 
+    # Globally hide `sort_link` order indicator arrows if passed `true`.
+    # Defaults to `false`.
+    def hide_sort_order_indicators=(boolean)
+      self.options[:hide_sort_order_indicators] = boolean
+    end
+
     def arel_predicate_with_suffix(arel_predicate, suffix)
       if arel_predicate === Proc
         proc { |v| "#{arel_predicate.call(v)}#{suffix}" }

lib/ransack/helpers/form_helper.rb

@@ -94,7 +94,8 @@ def initialize(search, attribute, args, params)
           @current_dir    = existing_sort_direction
           @label_text     = extract_label_and_mutate_args!(args)
           @options        = extract_options_and_mutate_args!(args)
-          @hide_indicator = @options.delete :hide_indicator
+          @hide_indicator = @options.delete(:hide_indicator) ||
+                            Ransack.options[:hide_sort_order_indicators]
           @default_order  = @options.delete :default_order
         end
 

spec/ransack/helpers/form_helper_spec.rb

@@ -358,6 +358,34 @@ module Helpers
         it { should match /Full Name ▼/ }
       end
 
+      describe '#sort_link with config set to globally hide order indicators' do
+        before do
+          Ransack.configure { |c| c.hide_sort_order_indicators = true }
+        end
+        subject { @controller.view_context
+          .sort_link(
+            [:main_app, Person.search(sorts: ['name desc'])],
+            :name,
+            controller: 'people'
+          )
+        }
+        it { should_not match /▼|▲/ }
+      end
+
+      describe '#sort_link with config set to globally show order indicators' do
+        before do
+          Ransack.configure { |c| c.hide_sort_order_indicators = false }
+        end
+        subject { @controller.view_context
+          .sort_link(
+            [:main_app, Person.search(sorts: ['name desc'])],
+            :name,
+            controller: 'people'
+          )
+        }
+        it { should match /Full Name ▼/ }
+      end
+
       describe '#search_form_for with default format' do
         subject { @controller.view_context
           .search_form_for(Person.search) {} }
@@ -398,7 +426,6 @@ module Helpers
         }
         it { should match /example_name_eq/ }
       end
-
     end
   end
 end