app/models/locomotive/editable_element.rb in locomotive_cms-2.0.0.rc2 vs app/models/locomotive/editable_element.rb in locomotive_cms-2.0.0.rc4

@@ -1,29 +1,101 @@
 module Locomotive
   class EditableElement
 
-      include ::Mongoid::Document
+    include ::Mongoid::Document
 
-      ## fields ##
-      field :slug
-      field :block
-      field :default_content,   :localize => true
-      field :default_attribute
-      field :hint
-      field :priority,          :type => Integer, :default => 0
-      field :disabled,          :type => Boolean, :default => false
-      field :assignable,        :type => Boolean, :default => true
-      field :from_parent,       :type => Boolean, :default => false
+    ## fields ##
+    field :slug
+    field :block
+    field :hint
+    field :priority,          :type => Integer, :default => 0
+    field :fixed,             :type => Boolean, :default => false
+    field :disabled,          :type => Boolean, :default => false, :localize => true
+    field :from_parent,       :type => Boolean, :default => false
+    field :locales,           :type => Array,   :default => []
 
-      ## associations ##
-      embedded_in :page, :class_name => 'Locomotive::Page', :inverse_of => :editable_elements
+    ## associations ##
+    embedded_in :page, :class_name => 'Locomotive::Page', :inverse_of => :editable_elements
 
-      ## validations ##
-      validates_presence_of :slug
+    ## validations ##
+    validates_presence_of :slug
 
-      ## scopes ##
-      scope :by_priority, :order_by => [[:priority, :desc]]
+    ## callbacks ##
+    after_save :propagate_content, :if => :fixed?
 
-      ## methods ##
+    ## scopes ##
+    scope :by_priority, :order_by => [[:priority, :desc]]
+
+    ## methods ##
+
+    def disabled?
+      !!self.disabled # the original method does not work quite well with the localization
+    end
+
+    # Determines if the current element can be edited in the back-office
+    #
+    def editable?
+      !self.disabled? && self.locales.include?(::Mongoid::Fields::I18n.locale.to_s) && (!self.fixed? || !self.from_parent?)
+    end
+
+    def _run_rearrange_callbacks
+      # callback from page/tree. not needed in the editable elements
+    end
+
+    def default_content?
+      # needs to be overridden for each kind of elements
+      true
+    end
+
+    # Copy attributes extracted from the corresponding Liquid tag
+    # Each editable element overrides this method.
+    #
+    # @param [ Hash ] attributes The up-to-date attributes
+    #
+    def copy_attributes(attributes)
+      self.attributes = attributes
+    end
+
+    # Copy attributes from an existing editable element coming
+    # from the parent page. Each editable element may or not
+    # override this method. The source element is a new record.
+    #
+    # @param [ EditableElement] el The source element
+    #
+    def copy_attributes_from(el)
+      self.attributes   = el.attributes.reject { |attr| !%w(slug block hint priority fixed disabled locales from_parent).include?(attr) }
+      self.from_parent  = true
+    end
+
+    # Make sure the current locale is added to the list
+    # of locales for the current element so that we know
+    # in which languages the element was translated.
+    #
+    def add_current_locale
+      locale = ::Mongoid::Fields::I18n.locale.to_s
+      self.locales << locale unless self.locales.include?(locale)
+    end
+
+    protected
+
+    def _selector
+      locale = ::Mongoid::Fields::I18n.locale
+      {
+        'site_id'                         => self.page.site_id,
+        "template_dependencies.#{locale}" => { '$in' => [self.page._id] },
+        'editable_elements.fixed'         => true,
+        'editable_elements.block'         => self.block,
+        'editable_elements.slug'          => self.slug
+      }
+    end
+
+    # Update the value (or content) of the elements matching the same block/slug
+    # as the current element in all the pages inheriting from the current page.
+    # This method is called only if the element has the "fixed" property set to true.
+    # It also needs to be overridden for each kind of elements (file, short text, ...etc)
+    #
+    def propagate_content
+      true
+    end
 
   end
 end
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