v2.6.0

app/helpers/the_sortable_tree_helper.rb

@@ -32,7 +32,7 @@ def build_tree_html context, render_module, options = {}
   ###############################################
   # Shortcuts
   ###############################################
-  
+
   def just_tree tree, options = {}
     build_server_tree(tree, { :type => :tree }.merge!(options))
   end
@@ -69,7 +69,7 @@ def build_server_tree(tree, options= {})
       :namespace => [],   # :admin
 
       # BOOST! hash
-      :boost => {} 
+      :boost => {}
     }.merge!(options)
 
     # Basic vars
@@ -110,9 +110,12 @@ def build_server_tree(tree, options= {})
 
       # define roots, if it's need
       if roots.nil? && !tree.empty?
+        # Looks like the new algo really does what we need (28 sept. 2016)
+        # Thanks to: https://github.com/patrick-nits
+        #
         ids = tree.map(&:id)
         opt_ids = opts[:boost].keys.map(&:to_i)
-        candidate_ids = (ids+opt_ids).uniq - (ids&opt_ids) #xor
+        candidate_ids = (ids + opt_ids).uniq - (ids & opt_ids) # xor
         roots = candidate_ids.map {|c| opts[:boost][c.to_s]}.compact.flatten
       end
 
@@ -129,7 +132,7 @@ def build_server_tree(tree, options= {})
       children = opts[:boost][node.id.to_s]
 
       # Boost OFF
-      # children = tree.select{ |_node| _node.parent_id == node.id } 
+      # children = tree.select{ |_node| _node.parent_id == node.id }
 
       opts.merge!({ :has_children => children.blank? })
 
@@ -145,4 +148,4 @@ def build_server_tree(tree, options= {})
 
     raw result
   end
-end
+end

gem_version.rb

@@ -0,0 +1,3 @@
+module TheSortableTree
+  VERSION = "2.6.0"
+end

lib/the_sortable_tree.rb

@@ -13,7 +13,7 @@ def self.included(base)
           scope :nested_set,          lambda { order('lft ASC')  }
           scope :reversed_nested_set, lambda { order('lft DESC') }
         else
-          puts "[TheSortableTree] ERROR: required Rails 3 or Rails 4"
+          puts "[TheSortableTree] ERROR: required Rails >= version 3"
         end
       end
     end

lib/the_sortable_tree/version.rb

@@ -1,3 +1 @@
-module TheSortableTree
-  VERSION = "2.5.0"
-end
+require_relative '../../gem_version'