Update status message on status bar

sleap/gui/app.py

@@ -1240,19 +1240,21 @@ def updateStatusMessage(self, message: Optional[str] = None):
 
         if message is None:
             message = ""
-            if len(self.labels.videos) > 1:
+            if len(self.labels.videos) > 0 and current_video is not None:
                 message += f"Video {self.labels.videos.index(current_video)+1}/"
                 message += f"{len(self.labels.videos)}"
                 message += spacer
 
-            message += f"Frame: {frame_idx+1:,}/{len(current_video):,}"
+            if current_video is not None:
+                message += f"Frame: {frame_idx+1:,}/{len(current_video):,}"
+
             if self.player.seekbar.hasSelection():
                 start, end = self.state["frame_range"]
                 message += spacer
                 message += f"Selection: {start+1:,}-{end:,} ({end-start+1:,} frames)"
 
             message += f"{spacer}Labeled Frames: "
-            if current_video is not None and current_video in self.labels.videos:
+            if current_video is not None:
                 message += str(
                     self.labels.get_labeled_frame_count(current_video, "user")
                 )

sleap/gui/commands.py

@@ -1847,17 +1847,17 @@ def _get_truncation_message(truncation_messages, path, video):
 
 
 class RemoveVideo(EditCommand):
-    topics = [UpdateTopic.video, UpdateTopic.suggestions]
+    topics = [UpdateTopic.video, UpdateTopic.suggestions, UpdateTopic.frame]
 
     @staticmethod
     def do_action(context: CommandContext, params: dict):
-        videos = context.labels.videos.copy()
+        videos = context.labels.videos
         row_idxs = context.state["selected_batch_video"]
         videos_to_be_removed = [videos[i] for i in row_idxs]
 
         # Remove selected videos in the project
-        for idx in row_idxs:
-            context.labels.remove_video(videos[idx])
+        for video in videos_to_be_removed:
+            context.labels.remove_video(video)
 
         # Update the view if state has the removed video
         if context.state["video"] in videos_to_be_removed:
@@ -1866,6 +1866,9 @@ def do_action(context: CommandContext, params: dict):
             else:
                 context.state["video"] = None
 
+        if len(context.labels.videos) == 0:
+            context.app.updateStatusMessage(" ")
+
     @staticmethod
     def ask(context: CommandContext, params: dict) -> bool:
         videos = context.labels.videos.copy()

sleap/io/dataset.py

@@ -296,6 +296,10 @@ def get_filtered_frame_idxs(
         self, video: Optional[Video] = None, filter: Text = ""
     ) -> Set[Tuple[int, int]]:
         """Return list of (video_idx, frame_idx) tuples matching video/filter."""
+        if video not in self.labels.videos:
+            # Set value of video to None if not present in the videos list.
+            video = None
+
         if filter == "":
             filter_func = lambda lf: video is None or lf.video == video
         elif filter == "user":