lib/rails-gallery/rgallery/page.rb in rails-gallery-0.2.1 vs lib/rails-gallery/rgallery/page.rb in rails-gallery-0.3.0

@@ -5,9 +5,42 @@
     def initialize photo_ids = [], options = {}
       @photo_ids = photo_ids
       super options
     end
 
+    # a source is a hash of the form:
+    # 'banner' => [{src: 'banner-HD', sizing: '2x'}, {src: 'banner-phone', sizing: '100w'}]
+    # see: add_photo_sources
+    def self.from_source sources
+      page = self.create sources.keys, options
+
+      @photos ||= sources.map do |key, srclist| 
+        photo_class.new key, options.merge(:sources => srclist)
+      end
+    end
+
+    def << photo_ids
+      @photo_ids ||= []
+      @photo_ids += [photo_ids].flatten
+    end
+
+    def add_photo_sources sources_hash
+      sources_hash.each do |source|
+        add_photo_w_sources source
+      end
+    end
+
+    def add_photo_w_sources source
+      raise ArgumentError, "Must be a hash, was: #{source}" unless source.kind_of? Hash
+      key = source.keys.first
+      srclist = source.values.first
+      raise ArgumentError, "Hash value must be an Array, was: #{srclist}" unless srclist.kind_of? Array
+
+      self.send :<<, key
+      @photos ||= []
+      @photos << photo_class.new(key, options.merge(:sources => srclist))
+    end
+
     def photo_ids
       @photo_ids ||= []
     end   
 
     def photos
\ No newline at end of file