Render sequences

ui/panels.py

@@ -78,7 +78,7 @@ class VSETB_PT_strip(Panel):
 
     @classmethod
     def poll(cls, context):
-        strip = context.scene.sequence_editor.active_strip
+        strip = context.active_sequence_strip
         return strip and get_channel_name(strip) == 'Shots'
 
     def draw(self, context):
@@ -221,9 +221,14 @@ class VSETB_PT_exports(VSETB_main, Panel):
 class VSETB_PT_tracker(VSETB_main, Panel):
     bl_label = "Tracker"
     bl_parent_id = "VSETB_PT_main"
+    bl_options = {'DEFAULT_CLOSED'}
+
+    @classmethod
+    def poll(cls, context):
+        return context.active_sequence_strip
 
     def draw_header_preset(self, context):
-        active_strip = context.scene.sequence_editor.active_strip
+        active_strip = context.active_sequence_strip
         self.layout.label(text=active_strip.name)
 
     def draw(self, context):
@@ -232,10 +237,11 @@ class VSETB_PT_tracker(VSETB_main, Panel):
 class VSETB_PT_casting(VSETB_main, Panel):
     bl_label = "Casting"
     bl_parent_id = "VSETB_PT_tracker"
+    bl_options = {'DEFAULT_CLOSED'}
 
     @classmethod
     def poll(cls, context):
-        strip = context.scene.sequence_editor.active_strip
+        strip = context.active_sequence_strip
         return strip and get_channel_name(strip) == 'Shots'
 
     def draw(self, context):
@@ -287,10 +293,11 @@ class VSETB_PT_casting(VSETB_main, Panel):
 class VSETB_PT_metadata(VSETB_main, Panel):
     bl_label = "Shot Metadata"
     bl_parent_id = "VSETB_PT_tracker"
+    bl_options = {'DEFAULT_CLOSED'}
 
     @classmethod
     def poll(cls, context):
-        return context.scene.sequence_editor.active_strip and get_scene_settings().active_project
+        return context.active_sequence_strip and get_scene_settings().active_project
 
     def draw(self, context):
         
@@ -333,10 +340,11 @@ class VSETB_PT_metadata(VSETB_main, Panel):
 class VSETB_PT_comments(VSETB_main, Panel):
     bl_label = "Comments"
     bl_parent_id = "VSETB_PT_tracker"
+    bl_options = {'DEFAULT_CLOSED'}
 
     @classmethod
     def poll(cls, context):
-        return context.scene.sequence_editor.active_strip and get_scene_settings().active_project
+        return context.active_sequence_strip and get_scene_settings().active_project
 
     def draw(self, context):
         layout = self.layout