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fix group ordering

This commit is contained in:
Skyler Lehmkuhl 2026-03-01 11:04:22 -05:00
parent 38831948ac
commit b7d72d2803
1 changed files with 9 additions and 3 deletions
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12
lightningbeam-ui/lightningbeam-core/src/actions/group_layers.rs
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@ -68,8 +68,13 @@ impl Action for GroupLayersAction {
} }
indices.sort(); indices.sort();
// Record the insert position (topmost selected layer) // The timeline displays layers in reverse order (highest index = visually on top).
let insert_index = indices[0]; // Insert the group at the highest selected index so it appears where the
// topmost visual layer was. After removing N layers before that position,
// the actual insert index shifts down by the count of removed layers below it.
let highest_index = *indices.last().unwrap();
let removals_before_highest = indices.iter().filter(|&&i| i < highest_index).count();
let insert_index = highest_index - removals_before_highest;
self.insert_index = Some(insert_index); self.insert_index = Some(insert_index);
// Remove layers back-to-front to preserve indices // Remove layers back-to-front to preserve indices
@ -84,11 +89,12 @@ impl Action for GroupLayersAction {
// Build the new GroupLayer with children in their original order // Build the new GroupLayer with children in their original order
let mut group = GroupLayer::new("Group"); let mut group = GroupLayer::new("Group");
group.layer.id = self.group_id; group.layer.id = self.group_id;
group.expanded = false;
for (_, layer) in &self.removed_layers { for (_, layer) in &self.removed_layers {
group.add_child(layer.clone()); group.add_child(layer.clone());
} }
// Insert the group at the topmost position // Insert the group at the computed position
let children = get_parent_children(document, self.parent_group_id)?; let children = get_parent_children(document, self.parent_group_id)?;
children.insert(insert_index, AnyLayer::Group(group)); children.insert(insert_index, AnyLayer::Group(group));