Merge pull request #21 from jr180180/master

Support Redmine version 4.x which runs on Rails 5.x

README.md

@@ -11,7 +11,7 @@ This plugin enables github style emoji notation in textile formatter and adds a
 Compatibility
 -------------
 
-The latest version supports Redmine **2.6.x** as well as **3.x**
+The latest version supports Redmine **2.6.x** as well as **3.x** and **4.x**
 
 
 

lib/emojibutton_helper_patch.rb

@@ -22,7 +22,12 @@ def self.included(base) # :nodoc:
         base.send(:include, HelperMethodsWikiExtensions)
         base.class_eval do
           unloadable # Send unloadable so it will not be unloaded in development  
-          alias_method_chain :heads_for_wiki_formatter, :redmine_emojibutton
+          if Rails.version < '5.0.0'
+            alias_method_chain :heads_for_wiki_formatter, :redmine_emojibutton
+          else
+            alias_method :heads_for_wiki_formatter_without_redmine_emojibutton, :heads_for_wiki_formatter
+            alias_method :heads_for_wiki_formatter, :heads_for_wiki_formatter_with_redmine_emojibutton
+          end
         end
       end
     end