1 files changed, 33 insertions, 0 deletions
diff --git a/rust/crates/commands/src/timeline/tracks_snapshot.rs b/rust/crates/commands/src/timeline/tracks_snapshot.rs
new file mode 100644
index 00000000..5108e123
--- /dev/null
+++ b/rust/crates/commands/src/timeline/tracks_snapshot.rs
@@ -0,0 +1,33 @@
+use scene::{Project, SceneTracks};
+
+use crate::command::{Command, CommandError, CommandResult};
+use crate::project_ext::active_scene_mut;
+
+pub struct TracksSnapshotCommand {
+    before: SceneTracks,
+    after: SceneTracks,
+}
+
+impl TracksSnapshotCommand {
+    pub fn new(before: SceneTracks, after: SceneTracks) -> Self {
+        Self { before, after }
+    }
+}
+
+impl Command for TracksSnapshotCommand {
+    fn execute(
+        &mut self,
+        project: &mut Project,
+    ) -> Result<Option<CommandResult>, CommandError> {
+        if let Some(scene) = active_scene_mut(project) {
+            scene.tracks = self.after.clone();
+        }
+        Ok(None)
+    }
+
+    fn undo(&mut self, project: &mut Project) {
+        if let Some(scene) = active_scene_mut(project) {
+            scene.tracks = self.before.clone();
+        }
+    }
+}