view.rb in ballast-1.7.0

- old
+ new

@@ -28,26 +28,46 @@
       def browser_supported?(conf_file = nil)
         conf_file ||= (Rails.root + "config/supported-browsers.yml").to_s if defined?(Rails)
         browser.supported?(conf_file)
       end
 
+      # Returns one or all layout parameters.
+      #
+      # @param key [String|Symbol|NilClass] The parameter to return. If set to `nil`, all the parameters will be returned as an hash.
+      # @param default_value [Object] The default value if the parameter is not present.
+      # @return [Object|Hash] The parameter or the entire layout parameters hash.
+      def layout_params(key = nil, default_value = nil)
+        initialize_view_params
+        key ? @layout_params.fetch(key, default_value) : @layout_params
+      end
+      alias_method :layout_param, :layout_params
+
+      # Adds/Replaces layout parameters.
+      #
+      # @param args [Hash] The new parameters to add.
+      def set_layout_params(**args)
+        initialize_view_params
+        @layout_params.merge!(args)
+      end
+
       # Outputs the Javascript parameters.
       #
       # @param id [String|NilClass|FalseClass] The id for the tag. If `nil` or `false`, the parameters will be returned as an hash.
       # @param tag [Symbol] The tag to use for HTML.
       # @return [String|Hash] Javascript parameters as HTML or the hash.
       def javascript_params(id = nil, tag = :details)
+        initialize_view_params
         id ? content_tag(tag, @javascript_params.to_json.html_safe, "data-jid" => id): @javascript_params
       end
 
       # Appends new Javascript parameters.
       #
       # @param key [String|Symbol] The key of the new parameters. If `nil`, the root will be merged/replaced.
       # @param data [Hash] The data to add.
       # @param replace [Boolean] Whether to replace existing data rather than merge.
       def add_javascript_params(key, data, replace = false)
-        @javascript_params ||= HashWithIndifferentAccess.new
+        initialize_view_params
 
         if key
           @javascript_params[key] = nil if replace
           @javascript_params[key] ||= {}
           @javascript_params[key].merge!(data)
@@ -55,8 +75,15 @@
           @javascript_params = data.with_indifferent_access
         else
           @javascript_params.merge!(data)
         end
       end
+
+      private
+        # Prepares parameters for views.
+        def initialize_view_params
+          @layout_params ||= HashWithIndifferentAccess.new
+          @javascript_params ||= HashWithIndifferentAccess.new
+        end
     end
   end
 end
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