return collection items alignment

fyrox-ui/src/inspector/editors/collection.rs

@@ -72,6 +72,9 @@ pub struct CollectionEditor<T: CollectionItem> {
     pub add: Handle<Button>,
     pub items: Vec<Item>,
     pub panel: Handle<StackPanel>,
+    #[visit(skip)]
+    #[reflect(hidden)]
+    pub layer_index: usize,
     #[reflect(hidden)]
     #[visit(skip)]
     pub phantom: PhantomData<T>,
@@ -84,6 +87,7 @@ impl<T: CollectionItem> Clone for CollectionEditor<T> {
             add: self.add,
             items: self.items.clone(),
             panel: self.panel,
+            layer_index: self.layer_index,
             phantom: PhantomData,
         }
     }
@@ -177,6 +181,7 @@ where
     environment: Option<InspectorEnvironmentContainer>,
     definition_container: Option<Arc<PropertyEditorDefinitionContainer>>,
     add: Handle<Button>,
+    layer_index: usize,
     generate_property_string_values: bool,
     filter: PropertyFilter,
     immutable_collection: bool,
@@ -209,6 +214,7 @@ fn create_items<'a, 'b, T, I>(
     definition_container: Arc<PropertyEditorDefinitionContainer>,
     property_info: &FieldRef<'a, 'b>,
     ctx: &mut BuildContext,
+    layer_index: usize,
     generate_property_string_values: bool,
     filter: PropertyFilter,
     immutable_collection: bool,
@@ -252,7 +258,7 @@ where
                         property_info: &proxy_property_info,
                         environment: environment.clone(),
                         definition_container: definition_container.clone(),
-                        layer_index: 0,
+                        layer_index,
                         generate_property_string_values,
                         filter: filter.clone(),
                         name_column_width,
@@ -307,6 +313,7 @@ where
             environment: None,
             definition_container: None,
             add: Default::default(),
+            layer_index: 0,
             generate_property_string_values: false,
             filter: Default::default(),
             immutable_collection: false,
@@ -336,6 +343,11 @@ where
         self
     }
 
+    pub fn with_layer_index(mut self, layer_index: usize) -> Self {
+        self.layer_index = layer_index;
+        self
+    }
+
     pub fn with_generate_property_string_values(
         mut self,
         generate_property_string_values: bool,
@@ -375,6 +387,7 @@ where
                 definition_container,
                 property_info,
                 ctx,
+                self.layer_index,
                 self.generate_property_string_values,
                 self.filter,
                 self.immutable_collection,
@@ -401,6 +414,7 @@ where
             add: self.add,
             items,
             panel,
+            layer_index: self.layer_index,
             phantom: PhantomData,
         };
 
@@ -473,6 +487,7 @@ where
                 .with_add(add)
                 .with_collection(value.iter())
                 .with_environment(ctx.environment.clone())
+                .with_layer_index(ctx.layer_index + 1)
                 .with_definition_container(ctx.definition_container.clone())
                 .with_generate_property_string_values(ctx.generate_property_string_values)
                 .with_filter(ctx.filter)
@@ -542,6 +557,7 @@ where
                 definition_container,
                 property_info,
                 &mut ui.build_ctx(),
+                layer_index,
                 generate_property_string_values,
                 filter,
                 property_info.immutable_collection,