From e5a011ae44f5ed7bc7df5e3fa943ae117eb01245 Mon Sep 17 00:00:00 2001
From: Clement Rey <cr.rey.clement@gmail.com>
Date: Wed, 11 Dec 2024 16:44:57 +0100
Subject: [PATCH] bring back the two extensions i accidentally killed

---
 .../src/blueprint/components/auto_layout_ext.rs        | 10 ++++++++++
 crates/store/re_types/src/blueprint/components/mod.rs  |  1 +
 crates/store/re_types/src/blueprint/datatypes/mod.rs   |  1 +
 .../re_types/src/blueprint/datatypes/utf8list_ext.rs   |  8 ++++++++
 crates/viewer/re_viewer/src/reflection/mod.rs          |  2 +-
 5 files changed, 21 insertions(+), 1 deletion(-)
 create mode 100644 crates/store/re_types/src/blueprint/components/auto_layout_ext.rs
 create mode 100644 crates/store/re_types/src/blueprint/datatypes/utf8list_ext.rs

diff --git a/crates/store/re_types/src/blueprint/components/auto_layout_ext.rs b/crates/store/re_types/src/blueprint/components/auto_layout_ext.rs
new file mode 100644
index 000000000000..79573e7901fe
--- /dev/null
+++ b/crates/store/re_types/src/blueprint/components/auto_layout_ext.rs
@@ -0,0 +1,10 @@
+use crate::datatypes::Bool;
+
+use super::AutoLayout;
+
+impl Default for AutoLayout {
+    #[inline]
+    fn default() -> Self {
+        Self(Bool(true))
+    }
+}
diff --git a/crates/store/re_types/src/blueprint/components/mod.rs b/crates/store/re_types/src/blueprint/components/mod.rs
index e0fcb615bac2..7933d51c393a 100644
--- a/crates/store/re_types/src/blueprint/components/mod.rs
+++ b/crates/store/re_types/src/blueprint/components/mod.rs
@@ -3,6 +3,7 @@
 mod active_tab;
 mod apply_latest_at;
 mod auto_layout;
+mod auto_layout_ext;
 mod auto_views;
 mod background_kind;
 mod column_share;
diff --git a/crates/store/re_types/src/blueprint/datatypes/mod.rs b/crates/store/re_types/src/blueprint/datatypes/mod.rs
index 1ec5aaa4b214..3998c09c31b9 100644
--- a/crates/store/re_types/src/blueprint/datatypes/mod.rs
+++ b/crates/store/re_types/src/blueprint/datatypes/mod.rs
@@ -7,6 +7,7 @@ mod filter_is_not_null;
 mod selected_columns;
 mod tensor_dimension_index_slider;
 mod utf8list;
+mod utf8list_ext;
 
 pub use self::component_column_selector::ComponentColumnSelector;
 pub use self::filter_by_range::FilterByRange;
diff --git a/crates/store/re_types/src/blueprint/datatypes/utf8list_ext.rs b/crates/store/re_types/src/blueprint/datatypes/utf8list_ext.rs
new file mode 100644
index 000000000000..1b6082caaa61
--- /dev/null
+++ b/crates/store/re_types/src/blueprint/datatypes/utf8list_ext.rs
@@ -0,0 +1,8 @@
+use super::Utf8List;
+
+impl Utf8List {
+    /// Iterates through the list of strings as Rust `str` references.
+    pub fn iter(&self) -> impl Iterator<Item = &'_ str> {
+        self.0.iter().map(|s| s.as_str())
+    }
+}
diff --git a/crates/viewer/re_viewer/src/reflection/mod.rs b/crates/viewer/re_viewer/src/reflection/mod.rs
index 1f1eb831fefb..078c12c34885 100644
--- a/crates/viewer/re_viewer/src/reflection/mod.rs
+++ b/crates/viewer/re_viewer/src/reflection/mod.rs
@@ -53,7 +53,7 @@ fn generate_component_reflection() -> Result<ComponentReflectionMap, Serializati
             <AutoLayout as Component>::name(),
             ComponentReflection {
                 docstring_md: "Whether the viewport layout is determined automatically.",
-                custom_placeholder: None,
+                custom_placeholder: Some(AutoLayout::default().to_arrow2()?),
                 datatype: AutoLayout::arrow2_datatype(),
             },
         ),