Introduced plugin layout instead of using Redmine ViewListener render_on

app/controllers/body_trackers_controller.rb

@@ -1,6 +1,4 @@
-class BodyTrackersController < ApplicationController
-  menu_item :body_trackers
-
+class BodyTrackersController < BodyTrackingPluginController
   before_action :find_project_by_project_id, only: [:index, :defaults]
   before_action :authorize
 

app/controllers/body_tracking_plugin_controller.rb

@@ -0,0 +1,17 @@
+class BodyTrackingPluginController < ApplicationController
+  menu_item :body_trackers
+  layout 'body_tracking'
+
+  private
+
+  def find_quantity(id = :id)
+    @quantity = Quantity.find(params[id])
+    @project = @quantity.project
+  rescue ActiveRecord::RecordNotFound
+    render_404
+  end
+
+  def find_quantity_by_quantity_id
+    find_quantity(:quantity_id)
+  end
+end

app/controllers/ingredients_controller.rb

@@ -1,8 +1,6 @@
-class IngredientsController < ApplicationController
+class IngredientsController < BodyTrackingPluginController
   require 'csv'
 
-  menu_item :body_trackers
-
   helper :body_trackers
   helper_method :current_view
 

app/controllers/measurements_controller.rb

@@ -1,6 +1,4 @@
-class MeasurementsController < ApplicationController
-  menu_item :body_trackers
-
+class MeasurementsController < BodyTrackingPluginController
   helper :body_trackers
 
   before_action :init_session_filters

app/controllers/quantities_controller.rb

@@ -1,6 +1,4 @@
-class QuantitiesController < ApplicationController
-  menu_item :body_trackers
-
+class QuantitiesController < BodyTrackingPluginController
   before_action :init_session_filters
   before_action :find_project_by_project_id, only: [:index, :new, :create, :filter, :parents]
   before_action :find_quantity, only: [:edit, :update, :destroy, :move,

app/controllers/sources_controller.rb

@@ -1,6 +1,4 @@
-class SourcesController < ApplicationController
-  menu_item :body_trackers
-
+class SourcesController < BodyTrackingPluginController
   before_action :find_project_by_project_id, only: [:index, :create]
   before_action :find_source, only: [:destroy]
   before_action :authorize

app/controllers/units_controller.rb

@@ -1,6 +1,4 @@
-class UnitsController < ApplicationController
-  menu_item :body_trackers
-
+class UnitsController < BodyTrackingPluginController
   before_action :find_project_by_project_id, only: [:index, :create]
   before_action :find_unit, only: [:destroy]
   before_action :authorize