diff --git a/src/ui/collection_menu.rs b/src/ui/collection_menu.rs
index 38675e4..457d6cf 100644
--- a/src/ui/collection_menu.rs
+++ b/src/ui/collection_menu.rs
@@ -8,7 +8,7 @@ use {
 	libadwaita :: * ,
 } ;
 
-use crate :: ui :: { internal :: * , utility :: * } ;
+use crate :: ui :: { dynamic_container :: * , utility :: * } ;
 
 
 
@@ -112,4 +112,3 @@ fn create_sort_menu_entry ( label : & str , reverse : bool , selected : bool ) -
 
 	ListBoxRow :: builder () . child ( & container ) . build ()
 }
-
diff --git a/src/ui/dynamic_container.rs b/src/ui/dynamic_container.rs
new file mode 100644
index 0000000..5083b75
--- /dev/null
+++ b/src/ui/dynamic_container.rs
@@ -0,0 +1,75 @@
+use {
+	gtk4 :: { ScrolledWindow, Widget, prelude :: * } ,
+	std :: cell :: * ,
+} ;
+
+use crate :: {
+	collection :: * ,
+	ui :: { collection_menu :: * , internal :: * , utility :: * } ,
+	utility :: * ,
+} ;
+
+
+pub enum FilmsSortedBy { Name , ReleaseDate , Runtime }
+pub enum SeriesSortedBy { Name , FirstReleaseDate }
+
+pub struct FilmsContainer {
+	films : Vec <Film> ,
+	flow_box : FilmsFlowBox ,
+	widget : gtk4 :: Box ,
+	sorted_by : & 'static Cell <FilmsSortedBy> ,
+}
+pub struct SeriesContainer {
+	series : Vec <Series> ,
+	flow_box : SeriesFlowBox ,
+	widget : gtk4 :: Box ,
+}
+
+impl FilmsContainer {
+	pub fn new ( films : Vec <Film> ) -> Self {
+		let flow_box = FilmsFlowBox :: new ( films . as_slice () ) ;
+		let sorted_by = leak ( Cell :: new ( FilmsSortedBy :: Name ) ) ;
+		let widget = create_vertical_box ! (
+			& create_film_collection_menu ( |new_sorted_by| {
+				sorted_by . replace (new_sorted_by) ;
+			} ) ,
+			& create_collection_scrolled_window ( flow_box . get_widget () ) ,
+		) ;
+
+		Self { films , flow_box , widget , sorted_by }
+	}
+
+	pub fn set_films ( & mut self , films : Vec <Film> ) {
+		self . films = films ;
+		self . flow_box . set_films ( self . films . as_slice () ) ;
+	}
+
+	pub fn get_widget ( & self ) -> & gtk4 :: Box { & self . widget }
+}
+impl SeriesContainer {
+	pub fn new ( series : Vec <Series> ) -> Self {
+		let flow_box = SeriesFlowBox :: new ( series . as_slice () ) ;
+		let widget = create_vertical_box ! (
+			& create_series_collection_menu ( |sorted_by| {
+				// TODO
+			} ) ,
+			& create_collection_scrolled_window ( flow_box . get_widget () ) ,
+		) ;
+
+		Self { series, flow_box , widget }
+	}
+
+	pub fn set_series ( & mut self , series : Vec <Series> ) {
+		self . series = series ;
+		self . flow_box . set_series ( self . series . as_slice () ) ;
+	}
+
+	pub fn get_widget ( & self ) -> & gtk4 :: Box { & self . widget }
+}
+
+fn create_collection_scrolled_window ( child : & impl IsA <Widget> ) -> ScrolledWindow {
+	ScrolledWindow :: builder ()
+		. child ( & create_vertical_filler_container (child) )
+		. propagate_natural_height (true)
+		. build ()
+}
diff --git a/src/ui/internal.rs b/src/ui/internal.rs
index 63b9d3c..e4fe47a 100644
--- a/src/ui/internal.rs
+++ b/src/ui/internal.rs
@@ -1,27 +1,16 @@
 use {
 	gtk4 :: {
-		FlowBox,
-		HeaderBar,
-		Image,
-		Justification,
-		Label,
-		ScrolledWindow,
-		SelectionMode,
-		Widget,
+		FlowBox, HeaderBar, Image, Justification, Label, SelectionMode,
 		Align :: * ,
 		Orientation :: * ,
 		gdk :: Texture ,
 		prelude :: * ,
 	} ,
 	libadwaita :: { * , ViewSwitcherPolicy :: * } ,
-	std :: { cell :: * , path :: * } ,
+	std :: path :: * ,
 } ;
 
-use crate :: {
-	collection :: * ,
-	ui :: { collection_menu :: * , utility :: * } ,
-	utility :: * ,
-} ;
+use crate :: collection :: * ;
 
 
 
@@ -108,70 +97,6 @@ fn create_collection_flow_box () -> FlowBox {
 		. build ()
 }
 
-pub enum FilmsSortedBy { Name , ReleaseDate , Runtime }
-pub enum SeriesSortedBy { Name , FirstReleaseDate }
-
-pub struct FilmsContainer {
-	films : Vec <Film> ,
-	flow_box : FilmsFlowBox ,
-	widget : gtk4 :: Box ,
-	sorted_by : & 'static Cell <FilmsSortedBy> ,
-}
-pub struct SeriesContainer {
-	series : Vec <Series> ,
-	flow_box : SeriesFlowBox ,
-	widget : gtk4 :: Box ,
-}
-
-impl FilmsContainer {
-	pub fn new ( films : Vec <Film> ) -> Self {
-		let flow_box = FilmsFlowBox :: new ( films . as_slice () ) ;
-		let sorted_by = leak ( Cell :: new ( FilmsSortedBy :: Name ) ) ;
-		let widget = create_vertical_box ! (
-			& create_film_collection_menu ( |new_sorted_by| {
-				sorted_by . replace (new_sorted_by) ;
-			} ) ,
-			& create_collection_scrolled_window ( flow_box . get_widget () ) ,
-		) ;
-
-		Self { films , flow_box , widget , sorted_by }
-	}
-
-	pub fn set_films ( & mut self , films : Vec <Film> ) {
-		self . films = films ;
-		self . flow_box . set_films ( self . films . as_slice () ) ;
-	}
-
-	pub fn get_widget ( & self ) -> & gtk4 :: Box { & self . widget }
-}
-impl SeriesContainer {
-	pub fn new ( series : Vec <Series> ) -> Self {
-		let flow_box = SeriesFlowBox :: new ( series . as_slice () ) ;
-		let widget = create_vertical_box ! (
-			& create_series_collection_menu ( |sorted_by| {
-				// TODO
-			} ) ,
-			& create_collection_scrolled_window ( flow_box . get_widget () ) ,
-		) ;
-
-		Self { series, flow_box , widget }
-	}
-
-	pub fn set_series ( & mut self , series : Vec <Series> ) {
-		self . series = series ;
-		self . flow_box . set_series ( self . series . as_slice () ) ;
-	}
-
-	pub fn get_widget ( & self ) -> & gtk4 :: Box { & self . widget }
-}
-
-fn create_collection_scrolled_window ( child : & impl IsA <Widget> ) -> ScrolledWindow {
-	ScrolledWindow :: builder ()
-		. child ( & create_vertical_filler_container (child) )
-		. propagate_natural_height (true)
-		. build ()
-}
-
 pub fn create_film_item ( film : & Film ) -> gtk4 :: Box {
 	create_collection_item (
 		film . name . as_str () ,
diff --git a/src/ui/mod.rs b/src/ui/mod.rs
index 4190518..dcc8d70 100644
--- a/src/ui/mod.rs
+++ b/src/ui/mod.rs
@@ -1,10 +1,14 @@
 mod collection_menu ;
+mod dynamic_container ;
 mod internal ;
 mod utility ;
 
 use { gtk4 :: prelude :: * , libadwaita :: * } ;
 
-use crate :: { collection :: * , ui :: { internal :: * , utility :: * } } ;
+use crate :: {
+	collection :: * ,
+	ui :: { dynamic_container :: * , internal :: * , utility :: * } ,
+} ;