rna api - replace panel properties bl_default_closed and bl_show_header with bl_options which has 2 flags: 'DEFAULT_CLOSED' and 'HIDE_HEADER'.

this matches operators which also uses bl_options like this

28 files changed, 95 insertions, 95 deletions

diff --git a/release/scripts/modules/rna_prop_ui.py b/release/scripts/modules/rna_prop_ui.py
index 63762855737..91fc4e9092d 100644
--- a/release/scripts/modules/rna_prop_ui.py
+++ b/release/scripts/modules/rna_prop_ui.py
@@ -130,7 +130,7 @@ class PropertyPanel():
     and the variable '_context_path' MUST be set.
     """
     bl_label = "Custom Properties"
-    bl_default_closed = True
+    bl_options = {'DEFAULT_CLOSED'}
 
     @classmethod
     def poll(cls, context):
diff --git a/release/scripts/ui/properties_animviz.py b/release/scripts/ui/properties_animviz.py
index 9b605d02215..2a463331ac7 100644
--- a/release/scripts/ui/properties_animviz.py
+++ b/release/scripts/ui/properties_animviz.py
@@ -27,7 +27,7 @@ class MotionPathButtonsPanel():
     bl_space_type = 'PROPERTIES'
     bl_region_type = 'WINDOW'
     bl_label = "Motion Paths"
-    bl_default_closed = True
+    bl_options = {'DEFAULT_CLOSED'}
 
     def draw_settings(self, context, avs, bones=False):
         layout = self.layout
@@ -65,7 +65,7 @@ class OnionSkinButtonsPanel():
     bl_space_type = 'PROPERTIES'
     bl_region_type = 'WINDOW'
     bl_label = "Onion Skinning"
-    bl_default_closed = True
+    bl_options = {'DEFAULT_CLOSED'}
 
     def draw(self, context):
         layout = self.layout
diff --git a/release/scripts/ui/properties_data_armature.py b/release/scripts/ui/properties_data_armature.py
index c5748c45fb4..17186378cb0 100644
--- a/release/scripts/ui/properties_data_armature.py
+++ b/release/scripts/ui/properties_data_armature.py
@@ -33,7 +33,7 @@ class ArmatureButtonsPanel():
 
 class DATA_PT_context_arm(ArmatureButtonsPanel, bpy.types.Panel):
     bl_label = ""
-    bl_show_header = False
+    bl_options = {'HIDE_HEADER'}
 
     def draw(self, context):
         layout = self.layout
@@ -187,7 +187,7 @@ class DATA_PT_ghost(ArmatureButtonsPanel, bpy.types.Panel):
 
 class DATA_PT_iksolver_itasc(ArmatureButtonsPanel, bpy.types.Panel):
     bl_label = "iTaSC parameters"
-    bl_default_closed = True
+    bl_options = {'DEFAULT_CLOSED'}
 
     @classmethod
     def poll(cls, context):
diff --git a/release/scripts/ui/properties_data_armature_rigify.py b/release/scripts/ui/properties_data_armature_rigify.py
index 1c2370cbb28..5903e433a4e 100644
--- a/release/scripts/ui/properties_data_armature_rigify.py
+++ b/release/scripts/ui/properties_data_armature_rigify.py
@@ -38,7 +38,7 @@ class DATA_PT_template(bpy.types.Panel):
     bl_space_type = 'PROPERTIES'
     bl_region_type = 'WINDOW'
     bl_context = "data"
-    bl_default_closed = True
+    bl_options = {'DEFAULT_CLOSED'}
 
     templates = []
 
diff --git a/release/scripts/ui/properties_data_bone.py b/release/scripts/ui/properties_data_bone.py
index 086a55aec4f..4df6177c1fc 100644
--- a/release/scripts/ui/properties_data_bone.py
+++ b/release/scripts/ui/properties_data_bone.py
@@ -33,7 +33,7 @@ class BoneButtonsPanel():
 
 class BONE_PT_context_bone(BoneButtonsPanel, bpy.types.Panel):
     bl_label = ""
-    bl_show_header = False
+    bl_options = {'HIDE_HEADER'}
 
     def draw(self, context):
         layout = self.layout
@@ -95,7 +95,7 @@ class BONE_PT_transform(BoneButtonsPanel, bpy.types.Panel):
 
 class BONE_PT_transform_locks(BoneButtonsPanel, bpy.types.Panel):
     bl_label = "Transform Locks"
-    bl_default_closed = True
+    bl_options = {'DEFAULT_CLOSED'}
 
     @classmethod
     def poll(cls, context):
@@ -207,7 +207,7 @@ class BONE_PT_display(BoneButtonsPanel, bpy.types.Panel):
 
 class BONE_PT_inverse_kinematics(BoneButtonsPanel, bpy.types.Panel):
     bl_label = "Inverse Kinematics"
-    bl_default_closed = True
+    bl_options = {'DEFAULT_CLOSED'}
 
     @classmethod
     def poll(cls, context):
@@ -295,7 +295,7 @@ class BONE_PT_inverse_kinematics(BoneButtonsPanel, bpy.types.Panel):
 
 class BONE_PT_deform(BoneButtonsPanel, bpy.types.Panel):
     bl_label = "Deform"
-    bl_default_closed = True
+    bl_options = {'DEFAULT_CLOSED'}
 
     def draw_header(self, context):
         bone = context.bone
diff --git a/release/scripts/ui/properties_data_camera.py b/release/scripts/ui/properties_data_camera.py
index 1e4ec6deb18..f7a7ec6b7a9 100644
--- a/release/scripts/ui/properties_data_camera.py
+++ b/release/scripts/ui/properties_data_camera.py
@@ -34,7 +34,7 @@ class CameraButtonsPanel():
 
 class DATA_PT_context_camera(CameraButtonsPanel, bpy.types.Panel):
     bl_label = ""
-    bl_show_header = False
+    bl_options = {'HIDE_HEADER'}
     COMPAT_ENGINES = {'BLENDER_RENDER', 'BLENDER_GAME'}
 
     def draw(self, context):
diff --git a/release/scripts/ui/properties_data_curve.py b/release/scripts/ui/properties_data_curve.py
index 3008db11b36..375136a335f 100644
--- a/release/scripts/ui/properties_data_curve.py
+++ b/release/scripts/ui/properties_data_curve.py
@@ -50,7 +50,7 @@ class CurveButtonsPanelActive(CurveButtonsPanel):
 
 class DATA_PT_context_curve(CurveButtonsPanel, bpy.types.Panel):
     bl_label = ""
-    bl_show_header = False
+    bl_options = {'HIDE_HEADER'}
 
     def draw(self, context):
         layout = self.layout
diff --git a/release/scripts/ui/properties_data_lamp.py b/release/scripts/ui/properties_data_lamp.py
index ce0d404434d..e43b3379aca 100644
--- a/release/scripts/ui/properties_data_lamp.py
+++ b/release/scripts/ui/properties_data_lamp.py
@@ -42,7 +42,7 @@ class DataButtonsPanel():
 
 class DATA_PT_context_lamp(DataButtonsPanel, bpy.types.Panel):
     bl_label = ""
-    bl_show_header = False
+    bl_options = {'HIDE_HEADER'}
     COMPAT_ENGINES = {'BLENDER_RENDER', 'BLENDER_GAME'}
 
     def draw(self, context):
@@ -367,7 +367,7 @@ class DATA_PT_spot(DataButtonsPanel, bpy.types.Panel):
 
 class DATA_PT_falloff_curve(DataButtonsPanel, bpy.types.Panel):
     bl_label = "Falloff Curve"
-    bl_default_closed = True
+    bl_options = {'DEFAULT_CLOSED'}
     COMPAT_ENGINES = {'BLENDER_RENDER', 'BLENDER_GAME'}
 
     @classmethod
diff --git a/release/scripts/ui/properties_data_lattice.py b/release/scripts/ui/properties_data_lattice.py
index c01aa034413..05b331ea0a2 100644
--- a/release/scripts/ui/properties_data_lattice.py
+++ b/release/scripts/ui/properties_data_lattice.py
@@ -33,7 +33,7 @@ class DataButtonsPanel():
 
 class DATA_PT_context_lattice(DataButtonsPanel, bpy.types.Panel):
     bl_label = ""
-    bl_show_header = False
+    bl_options = {'HIDE_HEADER'}
 
     def draw(self, context):
         layout = self.layout
diff --git a/release/scripts/ui/properties_data_mesh.py b/release/scripts/ui/properties_data_mesh.py
index af0df284fe4..9995fd3445f 100644
--- a/release/scripts/ui/properties_data_mesh.py
+++ b/release/scripts/ui/properties_data_mesh.py
@@ -60,7 +60,7 @@ class MeshButtonsPanel():
 
 class DATA_PT_context_mesh(MeshButtonsPanel, bpy.types.Panel):
     bl_label = ""
-    bl_show_header = False
+    bl_options = {'HIDE_HEADER'}
     COMPAT_ENGINES = {'BLENDER_RENDER', 'BLENDER_GAME'}
 
     def draw(self, context):
diff --git a/release/scripts/ui/properties_data_metaball.py b/release/scripts/ui/properties_data_metaball.py
index 747ed56c12e..b4bf8dc5d70 100644
--- a/release/scripts/ui/properties_data_metaball.py
+++ b/release/scripts/ui/properties_data_metaball.py
@@ -33,7 +33,7 @@ class DataButtonsPanel():
 
 class DATA_PT_context_metaball(DataButtonsPanel, bpy.types.Panel):
     bl_label = ""
-    bl_show_header = False
+    bl_options = {'HIDE_HEADER'}
 
     def draw(self, context):
         layout = self.layout
diff --git a/release/scripts/ui/properties_game.py b/release/scripts/ui/properties_game.py
index 8d2f075fce0..e703f4a9812 100644
--- a/release/scripts/ui/properties_game.py
+++ b/release/scripts/ui/properties_game.py
@@ -368,7 +368,7 @@ class WorldButtonsPanel():
 
 class WORLD_PT_game_context_world(WorldButtonsPanel, bpy.types.Panel):
     bl_label = ""
-    bl_show_header = False
+    bl_options = {'HIDE_HEADER'}
     COMPAT_ENGINES = {'BLENDER_GAME'}
 
     @classmethod
diff --git a/release/scripts/ui/properties_material.py b/release/scripts/ui/properties_material.py
index e5f53d9ed0d..a71700706f7 100644
--- a/release/scripts/ui/properties_material.py
+++ b/release/scripts/ui/properties_material.py
@@ -65,7 +65,7 @@ class MaterialButtonsPanel():
 
 class MATERIAL_PT_context_material(MaterialButtonsPanel, bpy.types.Panel):
     bl_label = ""
-    bl_show_header = False
+    bl_options = {'HIDE_HEADER'}
     COMPAT_ENGINES = {'BLENDER_RENDER', 'BLENDER_GAME'}
 
     @classmethod
@@ -300,7 +300,7 @@ class MATERIAL_PT_shading(MaterialButtonsPanel, bpy.types.Panel):
 
 class MATERIAL_PT_transp(MaterialButtonsPanel, bpy.types.Panel):
     bl_label = "Transparency"
-    bl_default_closed = True
+    bl_options = {'DEFAULT_CLOSED'}
     COMPAT_ENGINES = {'BLENDER_RENDER'}
 
     @classmethod
@@ -362,7 +362,7 @@ class MATERIAL_PT_transp(MaterialButtonsPanel, bpy.types.Panel):
             
 class MATERIAL_PT_mirror(MaterialButtonsPanel, bpy.types.Panel):
     bl_label = "Mirror"
-    bl_default_closed = True
+    bl_options = {'DEFAULT_CLOSED'}
     COMPAT_ENGINES = {'BLENDER_RENDER'}
 
     @classmethod
@@ -420,7 +420,7 @@ class MATERIAL_PT_mirror(MaterialButtonsPanel, bpy.types.Panel):
 
 class MATERIAL_PT_sss(MaterialButtonsPanel, bpy.types.Panel):
     bl_label = "Subsurface Scattering"
-    bl_default_closed = True
+    bl_options = {'DEFAULT_CLOSED'}
     COMPAT_ENGINES = {'BLENDER_RENDER'}
 
     @classmethod
@@ -581,7 +581,7 @@ class MATERIAL_PT_physics(MaterialButtonsPanel, bpy.types.Panel):
 
 class MATERIAL_PT_strand(MaterialButtonsPanel, bpy.types.Panel):
     bl_label = "Strand"
-    bl_default_closed = True
+    bl_options = {'DEFAULT_CLOSED'}
     COMPAT_ENGINES = {'BLENDER_RENDER'}
 
     @classmethod
@@ -673,7 +673,7 @@ class MATERIAL_PT_options(MaterialButtonsPanel, bpy.types.Panel):
 
 class MATERIAL_PT_shadow(MaterialButtonsPanel, bpy.types.Panel):
     bl_label = "Shadow"
-    bl_default_closed = True
+    bl_options = {'DEFAULT_CLOSED'}
     COMPAT_ENGINES = {'BLENDER_RENDER', 'BLENDER_GAME'}
 
     @classmethod
@@ -710,7 +710,7 @@ class MATERIAL_PT_shadow(MaterialButtonsPanel, bpy.types.Panel):
 
 class MATERIAL_PT_transp_game(MaterialButtonsPanel, bpy.types.Panel):
     bl_label = "Transparency"
-    bl_default_closed = True
+    bl_options = {'DEFAULT_CLOSED'}
     COMPAT_ENGINES = {'BLENDER_GAME'}
 
     @classmethod
@@ -871,7 +871,7 @@ class MATERIAL_PT_volume_integration(VolumeButtonsPanel, bpy.types.Panel):
 class MATERIAL_PT_volume_options(VolumeButtonsPanel, bpy.types.Panel):
     bl_label = "Options"
     COMPAT_ENGINES = {'BLENDER_RENDER', 'BLENDER_GAME'}
-    bl_default_closed = True
+    bl_options = {'DEFAULT_CLOSED'}
 
     def draw(self, context):
         layout = self.layout
diff --git a/release/scripts/ui/properties_object.py b/release/scripts/ui/properties_object.py
index c0d37c16519..bf1878cc666 100644
--- a/release/scripts/ui/properties_object.py
+++ b/release/scripts/ui/properties_object.py
@@ -29,7 +29,7 @@ class ObjectButtonsPanel():
 
 class OBJECT_PT_context_object(ObjectButtonsPanel, bpy.types.Panel):
     bl_label = ""
-    bl_show_header = False
+    bl_options = {'HIDE_HEADER'}
 
     def draw(self, context):
         layout = self.layout
@@ -72,7 +72,7 @@ class OBJECT_PT_transform(ObjectButtonsPanel, bpy.types.Panel):
 
 class OBJECT_PT_transform_locks(ObjectButtonsPanel, bpy.types.Panel):
     bl_label = "Transform Locks"
-    bl_default_closed = True
+    bl_options = {'DEFAULT_CLOSED'}
 
     def draw(self, context):
         layout = self.layout
@@ -238,7 +238,7 @@ class OBJECT_PT_duplication(ObjectButtonsPanel, bpy.types.Panel):
 
 class OBJECT_PT_animation(ObjectButtonsPanel, bpy.types.Panel):
     bl_label = "Animation Hacks"
-    bl_default_closed = True
+    bl_options = {'DEFAULT_CLOSED'}
 
     def draw(self, context):
         layout = self.layout
diff --git a/release/scripts/ui/properties_particle.py b/release/scripts/ui/properties_particle.py
index 5dd7ef7e94b..fbcc83240f1 100644
--- a/release/scripts/ui/properties_particle.py
+++ b/release/scripts/ui/properties_particle.py
@@ -52,7 +52,7 @@ class ParticleButtonsPanel():
 
 class PARTICLE_PT_context_particles(ParticleButtonsPanel, bpy.types.Panel):
     bl_label = ""
-    bl_show_header = False
+    bl_options = {'HIDE_HEADER'}
     COMPAT_ENGINES = {'BLENDER_RENDER'}
 
     @classmethod
@@ -196,7 +196,7 @@ class PARTICLE_PT_emission(ParticleButtonsPanel, bpy.types.Panel):
 
 class PARTICLE_PT_hair_dynamics(ParticleButtonsPanel, bpy.types.Panel):
     bl_label = "Hair dynamics"
-    bl_default_closed = True
+    bl_options = {'DEFAULT_CLOSED'}
     COMPAT_ENGINES = {'BLENDER_RENDER'}
 
     @classmethod
@@ -254,7 +254,7 @@ class PARTICLE_PT_hair_dynamics(ParticleButtonsPanel, bpy.types.Panel):
 
 class PARTICLE_PT_cache(ParticleButtonsPanel, bpy.types.Panel):
     bl_label = "Cache"
-    bl_default_closed = True
+    bl_options = {'DEFAULT_CLOSED'}
     COMPAT_ENGINES = {'BLENDER_RENDER'}
 
     @classmethod
@@ -828,7 +828,7 @@ class PARTICLE_PT_render(ParticleButtonsPanel, bpy.types.Panel):
 
 class PARTICLE_PT_draw(ParticleButtonsPanel, bpy.types.Panel):
     bl_label = "Display"
-    bl_default_closed = True
+    bl_options = {'DEFAULT_CLOSED'}
     COMPAT_ENGINES = {'BLENDER_RENDER'}
 
     @classmethod
@@ -884,7 +884,7 @@ class PARTICLE_PT_draw(ParticleButtonsPanel, bpy.types.Panel):
 
 class PARTICLE_PT_children(ParticleButtonsPanel, bpy.types.Panel):
     bl_label = "Children"
-    bl_default_closed = True
+    bl_options = {'DEFAULT_CLOSED'}
     COMPAT_ENGINES = {'BLENDER_RENDER'}
 
     @classmethod
@@ -966,7 +966,7 @@ class PARTICLE_PT_children(ParticleButtonsPanel, bpy.types.Panel):
 
 class PARTICLE_PT_field_weights(ParticleButtonsPanel, bpy.types.Panel):
     bl_label = "Field Weights"
-    bl_default_closed = True
+    bl_options = {'DEFAULT_CLOSED'}
     COMPAT_ENGINES = {'BLENDER_RENDER'}
 
     def draw(self, context):
@@ -979,7 +979,7 @@ class PARTICLE_PT_field_weights(ParticleButtonsPanel, bpy.types.Panel):
 
 class PARTICLE_PT_force_fields(ParticleButtonsPanel, bpy.types.Panel):
     bl_label = "Force Field Settings"
-    bl_default_closed = True
+    bl_options = {'DEFAULT_CLOSED'}
     COMPAT_ENGINES = {'BLENDER_RENDER'}
 
     def draw(self, context):
@@ -1007,7 +1007,7 @@ class PARTICLE_PT_force_fields(ParticleButtonsPanel, bpy.types.Panel):
 
 class PARTICLE_PT_vertexgroups(ParticleButtonsPanel, bpy.types.Panel):
     bl_label = "Vertexgroups"
-    bl_default_closed = True
+    bl_options = {'DEFAULT_CLOSED'}
     COMPAT_ENGINES = {'BLENDER_RENDER'}
 
     def draw(self, context):
diff --git a/release/scripts/ui/properties_physics_cloth.py b/release/scripts/ui/properties_physics_cloth.py
index 7936b5e04ee..099711f6dec 100644
--- a/release/scripts/ui/properties_physics_cloth.py
+++ b/release/scripts/ui/properties_physics_cloth.py
@@ -131,7 +131,7 @@ class PHYSICS_PT_cloth(PhysicButtonsPanel, bpy.types.Panel):
 
 class PHYSICS_PT_cloth_cache(PhysicButtonsPanel, bpy.types.Panel):
     bl_label = "Cloth Cache"
-    bl_default_closed = True
+    bl_options = {'DEFAULT_CLOSED'}
 
     @classmethod
     def poll(cls, context):
@@ -144,7 +144,7 @@ class PHYSICS_PT_cloth_cache(PhysicButtonsPanel, bpy.types.Panel):
 
 class PHYSICS_PT_cloth_collision(PhysicButtonsPanel, bpy.types.Panel):
     bl_label = "Cloth Collision"
-    bl_default_closed = True
+    bl_options = {'DEFAULT_CLOSED'}
 
     @classmethod
     def poll(cls, context):
@@ -183,7 +183,7 @@ class PHYSICS_PT_cloth_collision(PhysicButtonsPanel, bpy.types.Panel):
 
 class PHYSICS_PT_cloth_stiffness(PhysicButtonsPanel, bpy.types.Panel):
     bl_label = "Cloth Stiffness Scaling"
-    bl_default_closed = True
+    bl_options = {'DEFAULT_CLOSED'}
 
     @classmethod
     def poll(cls, context):
@@ -219,7 +219,7 @@ class PHYSICS_PT_cloth_stiffness(PhysicButtonsPanel, bpy.types.Panel):
 
 class PHYSICS_PT_cloth_field_weights(PhysicButtonsPanel, bpy.types.Panel):
     bl_label = "Cloth Field Weights"
-    bl_default_closed = True
+    bl_options = {'DEFAULT_CLOSED'}
 
     @classmethod
     def poll(cls, context):
diff --git a/release/scripts/ui/properties_physics_field.py b/release/scripts/ui/properties_physics_field.py
index 80ea999eedb..07d748e8c28 100644
--- a/release/scripts/ui/properties_physics_field.py
+++ b/release/scripts/ui/properties_physics_field.py
@@ -158,7 +158,7 @@ class PHYSICS_PT_field(PhysicButtonsPanel, bpy.types.Panel):
 
 class PHYSICS_PT_collision(PhysicButtonsPanel, bpy.types.Panel):
     bl_label = "Collision"
-    #bl_default_closed = True
+    #bl_options = {'DEFAULT_CLOSED'}
 
     @classmethod
     def poll(cls, context):
diff --git a/release/scripts/ui/properties_physics_fluid.py b/release/scripts/ui/properties_physics_fluid.py
index 035eefe6c2a..9973141653b 100644
--- a/release/scripts/ui/properties_physics_fluid.py
+++ b/release/scripts/ui/properties_physics_fluid.py
@@ -201,7 +201,7 @@ class PHYSICS_PT_fluid(PhysicButtonsPanel, bpy.types.Panel):
 
 class PHYSICS_PT_domain_gravity(PhysicButtonsPanel, bpy.types.Panel):
     bl_label = "Domain World"
-    bl_default_closed = True
+    bl_options = {'DEFAULT_CLOSED'}
 
     @classmethod
     def poll(cls, context):
@@ -251,7 +251,7 @@ class PHYSICS_PT_domain_gravity(PhysicButtonsPanel, bpy.types.Panel):
 
 class PHYSICS_PT_domain_boundary(PhysicButtonsPanel, bpy.types.Panel):
     bl_label = "Domain Boundary"
-    bl_default_closed = True
+    bl_options = {'DEFAULT_CLOSED'}
 
     @classmethod
     def poll(cls, context):
@@ -279,7 +279,7 @@ class PHYSICS_PT_domain_boundary(PhysicButtonsPanel, bpy.types.Panel):
 
 class PHYSICS_PT_domain_particles(PhysicButtonsPanel, bpy.types.Panel):
     bl_label = "Domain Particles"
-    bl_default_closed = True
+    bl_options = {'DEFAULT_CLOSED'}
 
     @classmethod
     def poll(cls, context):
diff --git a/release/scripts/ui/properties_physics_smoke.py b/release/scripts/ui/properties_physics_smoke.py
index 41658daf808..c1b088da785 100644
--- a/release/scripts/ui/properties_physics_smoke.py
+++ b/release/scripts/ui/properties_physics_smoke.py
@@ -121,7 +121,7 @@ class PHYSICS_PT_smoke(PhysicButtonsPanel, bpy.types.Panel):
 
 class PHYSICS_PT_smoke_groups(PhysicButtonsPanel, bpy.types.Panel):
     bl_label = "Smoke Groups"
-    bl_default_closed = True
+    bl_options = {'DEFAULT_CLOSED'}
 
     @classmethod
     def poll(cls, context):
@@ -149,7 +149,7 @@ class PHYSICS_PT_smoke_groups(PhysicButtonsPanel, bpy.types.Panel):
 
 class PHYSICS_PT_smoke_cache(PhysicButtonsPanel, bpy.types.Panel):
     bl_label = "Smoke Cache"
-    bl_default_closed = True
+    bl_options = {'DEFAULT_CLOSED'}
 
     @classmethod
     def poll(cls, context):
@@ -170,7 +170,7 @@ class PHYSICS_PT_smoke_cache(PhysicButtonsPanel, bpy.types.Panel):
 
 class PHYSICS_PT_smoke_highres(PhysicButtonsPanel, bpy.types.Panel):
     bl_label = "Smoke High Resolution"
-    bl_default_closed = True
+    bl_options = {'DEFAULT_CLOSED'}
 
     @classmethod
     def poll(cls, context):
@@ -205,7 +205,7 @@ class PHYSICS_PT_smoke_highres(PhysicButtonsPanel, bpy.types.Panel):
 
 class PHYSICS_PT_smoke_cache_highres(PhysicButtonsPanel, bpy.types.Panel):
     bl_label = "Smoke High Resolution Cache"
-    bl_default_closed = True
+    bl_options = {'DEFAULT_CLOSED'}
 
     @classmethod
     def poll(cls, context):
@@ -226,7 +226,7 @@ class PHYSICS_PT_smoke_cache_highres(PhysicButtonsPanel, bpy.types.Panel):
 
 class PHYSICS_PT_smoke_field_weights(PhysicButtonsPanel, bpy.types.Panel):
     bl_label = "Smoke Field Weights"
-    bl_default_closed = True
+    bl_options = {'DEFAULT_CLOSED'}
 
     @classmethod
     def poll(cls, context):
diff --git a/release/scripts/ui/properties_physics_softbody.py b/release/scripts/ui/properties_physics_softbody.py
index 0403e256bdf..2411f460f4b 100644
--- a/release/scripts/ui/properties_physics_softbody.py
+++ b/release/scripts/ui/properties_physics_softbody.py
@@ -86,7 +86,7 @@ class PHYSICS_PT_softbody(PhysicButtonsPanel, bpy.types.Panel):
 
 class PHYSICS_PT_softbody_cache(PhysicButtonsPanel, bpy.types.Panel):
     bl_label = "Soft Body Cache"
-    bl_default_closed = True
+    bl_options = {'DEFAULT_CLOSED'}
 
     @classmethod
     def poll(cls, context):
@@ -99,7 +99,7 @@ class PHYSICS_PT_softbody_cache(PhysicButtonsPanel, bpy.types.Panel):
 
 class PHYSICS_PT_softbody_goal(PhysicButtonsPanel, bpy.types.Panel):
     bl_label = "Soft Body Goal"
-    bl_default_closed = True
+    bl_options = {'DEFAULT_CLOSED'}
 
     @classmethod
     def poll(cls, context):
@@ -142,7 +142,7 @@ class PHYSICS_PT_softbody_goal(PhysicButtonsPanel, bpy.types.Panel):
 
 class PHYSICS_PT_softbody_edge(PhysicButtonsPanel, bpy.types.Panel):
     bl_label = "Soft Body Edges"
-    bl_default_closed = True
+    bl_options = {'DEFAULT_CLOSED'}
 
     @classmethod
     def poll(cls, context):
@@ -196,7 +196,7 @@ class PHYSICS_PT_softbody_edge(PhysicButtonsPanel, bpy.types.Panel):
 
 class PHYSICS_PT_softbody_collision(PhysicButtonsPanel, bpy.types.Panel):
     bl_label = "Soft Body Self Collision"
-    bl_default_closed = True
+    bl_options = {'DEFAULT_CLOSED'}
 
     @classmethod
     def poll(cls, context):
@@ -228,7 +228,7 @@ class PHYSICS_PT_softbody_collision(PhysicButtonsPanel, bpy.types.Panel):
 
 class PHYSICS_PT_softbody_solver(PhysicButtonsPanel, bpy.types.Panel):
     bl_label = "Soft Body Solver"
-    bl_default_closed = True
+    bl_options = {'DEFAULT_CLOSED'}
 
     @classmethod
     def poll(cls, context):
@@ -264,7 +264,7 @@ class PHYSICS_PT_softbody_solver(PhysicButtonsPanel, bpy.types.Panel):
 
 class PHYSICS_PT_softbody_field_weights(PhysicButtonsPanel, bpy.types.Panel):
     bl_label = "Soft Body Field Weights"
-    bl_default_closed = True
+    bl_options = {'DEFAULT_CLOSED'}
 
     @classmethod
     def poll(cls, context):
diff --git a/release/scripts/ui/properties_render.py b/release/scripts/ui/properties_render.py
index fcd5a229cd9..aef95056391 100644
--- a/release/scripts/ui/properties_render.py
+++ b/release/scripts/ui/properties_render.py
@@ -68,7 +68,7 @@ class RENDER_PT_render(RenderButtonsPanel, bpy.types.Panel):
 
 class RENDER_PT_layers(RenderButtonsPanel, bpy.types.Panel):
     bl_label = "Layers"
-    bl_default_closed = True
+    bl_options = {'DEFAULT_CLOSED'}
     COMPAT_ENGINES = {'BLENDER_RENDER'}
 
     def draw(self, context):
@@ -194,7 +194,7 @@ class RENDER_PT_shading(RenderButtonsPanel, bpy.types.Panel):
 
 class RENDER_PT_performance(RenderButtonsPanel, bpy.types.Panel):
     bl_label = "Performance"
-    bl_default_closed = True
+    bl_options = {'DEFAULT_CLOSED'}
     COMPAT_ENGINES = {'BLENDER_RENDER'}
 
     def draw(self, context):
@@ -236,7 +236,7 @@ class RENDER_PT_performance(RenderButtonsPanel, bpy.types.Panel):
 
 class RENDER_PT_post_processing(RenderButtonsPanel, bpy.types.Panel):
     bl_label = "Post Processing"
-    bl_default_closed = True
+    bl_options = {'DEFAULT_CLOSED'}
     COMPAT_ENGINES = {'BLENDER_RENDER'}
 
     def draw(self, context):
@@ -389,7 +389,7 @@ class RENDER_PT_output(RenderButtonsPanel, bpy.types.Panel):
 
 class RENDER_PT_encoding(RenderButtonsPanel, bpy.types.Panel):
     bl_label = "Encoding"
-    bl_default_closed = True
+    bl_options = {'DEFAULT_CLOSED'}
     COMPAT_ENGINES = {'BLENDER_RENDER'}
 
     @classmethod
@@ -485,7 +485,7 @@ class RENDER_PT_antialiasing(RenderButtonsPanel, bpy.types.Panel):
 
 class RENDER_PT_motion_blur(RenderButtonsPanel, bpy.types.Panel):
     bl_label = "Full Sample Motion Blur"
-    bl_default_closed = True
+    bl_options = {'DEFAULT_CLOSED'}
     COMPAT_ENGINES = {'BLENDER_RENDER'}
 
     def draw_header(self, context):
@@ -550,7 +550,7 @@ class RENDER_PT_dimensions(RenderButtonsPanel, bpy.types.Panel):
 
 class RENDER_PT_stamp(RenderButtonsPanel, bpy.types.Panel):
     bl_label = "Stamp"
-    bl_default_closed = True
+    bl_options = {'DEFAULT_CLOSED'}
     COMPAT_ENGINES = {'BLENDER_RENDER'}
 
     def draw_header(self, context):
@@ -594,7 +594,7 @@ class RENDER_PT_stamp(RenderButtonsPanel, bpy.types.Panel):
 
 class RENDER_PT_bake(RenderButtonsPanel, bpy.types.Panel):
     bl_label = "Bake"
-    bl_default_closed = True
+    bl_options = {'DEFAULT_CLOSED'}
     COMPAT_ENGINES = {'BLENDER_RENDER'}
 
     def draw(self, context):
diff --git a/release/scripts/ui/properties_texture.py b/release/scripts/ui/properties_texture.py
index be523f735d8..5f44f573a25 100644
--- a/release/scripts/ui/properties_texture.py
+++ b/release/scripts/ui/properties_texture.py
@@ -76,7 +76,7 @@ class TextureButtonsPanel():
 
 class TEXTURE_PT_context_texture(TextureButtonsPanel, bpy.types.Panel):
     bl_label = ""
-    bl_show_header = False
+    bl_options = {'HIDE_HEADER'}
     COMPAT_ENGINES = {'BLENDER_RENDER', 'BLENDER_GAME'}
 
     @classmethod
@@ -157,7 +157,7 @@ class TEXTURE_PT_preview(TextureButtonsPanel, bpy.types.Panel):
 
 class TEXTURE_PT_colors(TextureButtonsPanel, bpy.types.Panel):
     bl_label = "Colors"
-    bl_default_closed = True
+    bl_options = {'DEFAULT_CLOSED'}
     COMPAT_ENGINES = {'BLENDER_RENDER', 'BLENDER_GAME'}
 
     def draw(self, context):
@@ -592,7 +592,7 @@ def texture_filter_common(tex, layout):
 
 class TEXTURE_PT_image_sampling(TextureTypePanel, bpy.types.Panel):
     bl_label = "Image Sampling"
-    bl_default_closed = True
+    bl_options = {'DEFAULT_CLOSED'}
     tex_type = 'IMAGE'
     COMPAT_ENGINES = {'BLENDER_RENDER', 'BLENDER_GAME'}
 
@@ -630,7 +630,7 @@ class TEXTURE_PT_image_sampling(TextureTypePanel, bpy.types.Panel):
 
 class TEXTURE_PT_image_mapping(TextureTypePanel, bpy.types.Panel):
     bl_label = "Image Mapping"
-    bl_default_closed = True
+    bl_options = {'DEFAULT_CLOSED'}
     tex_type = 'IMAGE'
     COMPAT_ENGINES = {'BLENDER_RENDER', 'BLENDER_GAME'}
 
@@ -721,7 +721,7 @@ class TEXTURE_PT_envmap(TextureTypePanel, bpy.types.Panel):
 
 class TEXTURE_PT_envmap_sampling(TextureTypePanel, bpy.types.Panel):
     bl_label = "Environment Map Sampling"
-    bl_default_closed = True
+    bl_options = {'DEFAULT_CLOSED'}
     tex_type = 'ENVIRONMENT_MAP'
     COMPAT_ENGINES = {'BLENDER_RENDER', 'BLENDER_GAME'}
 
diff --git a/release/scripts/ui/properties_world.py b/release/scripts/ui/properties_world.py
index a42516a63b4..9f93137252e 100644
--- a/release/scripts/ui/properties_world.py
+++ b/release/scripts/ui/properties_world.py
@@ -36,7 +36,7 @@ class WorldButtonsPanel():
 
 class WORLD_PT_context_world(WorldButtonsPanel, bpy.types.Panel):
     bl_label = ""
-    bl_show_header = False
+    bl_options = {'HIDE_HEADER'}
     COMPAT_ENGINES = {'BLENDER_RENDER'}
 
     @classmethod
@@ -204,7 +204,7 @@ class WORLD_PT_gather(WorldButtonsPanel, bpy.types.Panel):
 
 class WORLD_PT_mist(WorldButtonsPanel, bpy.types.Panel):
     bl_label = "Mist"
-    bl_default_closed = True
+    bl_options = {'DEFAULT_CLOSED'}
     COMPAT_ENGINES = {'BLENDER_RENDER'}
 
     def draw_header(self, context):
@@ -233,7 +233,7 @@ class WORLD_PT_mist(WorldButtonsPanel, bpy.types.Panel):
 
 class WORLD_PT_stars(WorldButtonsPanel, bpy.types.Panel):
     bl_label = "Stars"
-    bl_default_closed = True
+    bl_options = {'DEFAULT_CLOSED'}
     COMPAT_ENGINES = {'BLENDER_RENDER'}
 
     def draw_header(self, context):
diff --git a/release/scripts/ui/space_image.py b/release/scripts/ui/space_image.py
index eaafa1a7038..bd59aaa42fa 100644
--- a/release/scripts/ui/space_image.py
+++ b/release/scripts/ui/space_image.py
@@ -604,7 +604,7 @@ class IMAGE_PT_paint(bpy.types.Panel):
 
 class IMAGE_PT_tools_brush_texture(BrushButtonsPanel, bpy.types.Panel):
     bl_label = "Texture"
-    bl_default_closed = True
+    bl_options = {'DEFAULT_CLOSED'}
 
     def draw(self, context):
         layout = self.layout
@@ -621,7 +621,7 @@ class IMAGE_PT_tools_brush_texture(BrushButtonsPanel, bpy.types.Panel):
 
 class IMAGE_PT_paint_stroke(BrushButtonsPanel, bpy.types.Panel):
     bl_label = "Paint Stroke"
-    bl_default_closed = True
+    bl_options = {'DEFAULT_CLOSED'}
 
     def draw(self, context):
         layout = self.layout
@@ -645,7 +645,7 @@ class IMAGE_PT_paint_stroke(BrushButtonsPanel, bpy.types.Panel):
 
 class IMAGE_PT_paint_curve(BrushButtonsPanel, bpy.types.Panel):
     bl_label = "Paint Curve"
-    bl_default_closed = True
+    bl_options = {'DEFAULT_CLOSED'}
 
     def draw(self, context):
         layout = self.layout
diff --git a/release/scripts/ui/space_userpref.py b/release/scripts/ui/space_userpref.py
index feeae5d3f9b..cf0ef4939ef 100644
--- a/release/scripts/ui/space_userpref.py
+++ b/release/scripts/ui/space_userpref.py
@@ -100,7 +100,7 @@ class USERPREF_PT_tabs(bpy.types.Panel):
     bl_label = ""
     bl_space_type = 'USER_PREFERENCES'
     bl_region_type = 'WINDOW'
-    bl_show_header = False
+    bl_options = {'HIDE_HEADER'}
 
     def draw(self, context):
         layout = self.layout
@@ -134,7 +134,7 @@ class USERPREF_PT_interface(bpy.types.Panel):
     bl_space_type = 'USER_PREFERENCES'
     bl_label = "Interface"
     bl_region_type = 'WINDOW'
-    bl_show_header = False
+    bl_options = {'HIDE_HEADER'}
 
     @classmethod
     def poll(cls, context):
@@ -229,7 +229,7 @@ class USERPREF_PT_edit(bpy.types.Panel):
     bl_space_type = 'USER_PREFERENCES'
     bl_label = "Edit"
     bl_region_type = 'WINDOW'
-    bl_show_header = False
+    bl_options = {'HIDE_HEADER'}
 
     @classmethod
     def poll(cls, context):
@@ -344,7 +344,7 @@ class USERPREF_PT_system(bpy.types.Panel):
     bl_space_type = 'USER_PREFERENCES'
     bl_label = "System"
     bl_region_type = 'WINDOW'
-    bl_show_header = False
+    bl_options = {'HIDE_HEADER'}
 
     @classmethod
     def poll(cls, context):
@@ -479,7 +479,7 @@ class USERPREF_PT_theme(bpy.types.Panel):
     bl_space_type = 'USER_PREFERENCES'
     bl_label = "Themes"
     bl_region_type = 'WINDOW'
-    bl_show_header = False
+    bl_options = {'HIDE_HEADER'}
 
     @staticmethod
     def _theme_generic(split, themedata):
@@ -642,7 +642,7 @@ class USERPREF_PT_file(bpy.types.Panel):
     bl_space_type = 'USER_PREFERENCES'
     bl_label = "Files"
     bl_region_type = 'WINDOW'
-    bl_show_header = False
+    bl_options = {'HIDE_HEADER'}
 
     @classmethod
     def poll(cls, context):
@@ -807,7 +807,7 @@ class USERPREF_PT_addons(bpy.types.Panel):
     bl_space_type = 'USER_PREFERENCES'
     bl_label = "Addons"
     bl_region_type = 'WINDOW'
-    bl_show_header = False
+    bl_options = {'HIDE_HEADER'}
     
     _addons_fake_modules = {}
 
diff --git a/release/scripts/ui/space_userpref_keymap.py b/release/scripts/ui/space_userpref_keymap.py
index ac6ac9ea238..6805646ded4 100644
--- a/release/scripts/ui/space_userpref_keymap.py
+++ b/release/scripts/ui/space_userpref_keymap.py
@@ -128,7 +128,7 @@ class InputKeyMapPanel(bpy.types.Panel):
     bl_space_type = 'USER_PREFERENCES'
     bl_label = "Input"
     bl_region_type = 'WINDOW'
-    bl_show_header = False
+    bl_options = {'HIDE_HEADER'}
 
     def draw_entry(self, display_keymaps, entry, col, level=0):
         idname, spaceid, regionid, children = entry
diff --git a/release/scripts/ui/space_view3d.py b/release/scripts/ui/space_view3d.py
index b7e7ba39eb5..fa2cd753e86 100644
--- a/release/scripts/ui/space_view3d.py
+++ b/release/scripts/ui/space_view3d.py
@@ -2002,7 +2002,7 @@ class VIEW3D_PT_view3d_display(bpy.types.Panel):
     bl_space_type = 'VIEW_3D'
     bl_region_type = 'UI'
     bl_label = "Display"
-    bl_default_closed = True
+    bl_options = {'DEFAULT_CLOSED'}
 
     @classmethod
     def poll(cls, context):
@@ -2130,7 +2130,7 @@ class VIEW3D_PT_background_image(bpy.types.Panel):
     bl_space_type = 'VIEW_3D'
     bl_region_type = 'UI'
     bl_label = "Background Images"
-    bl_default_closed = True
+    bl_options = {'DEFAULT_CLOSED'}
 
     @classmethod
     def poll(cls, context):
@@ -2180,7 +2180,7 @@ class VIEW3D_PT_transform_orientations(bpy.types.Panel):
     bl_space_type = 'VIEW_3D'
     bl_region_type = 'UI'
     bl_label = "Transform Orientations"
-    bl_default_closed = True
+    bl_options = {'DEFAULT_CLOSED'}
 
     @classmethod
     def poll(cls, context):
@@ -2208,7 +2208,7 @@ class VIEW3D_PT_etch_a_ton(bpy.types.Panel):
     bl_space_type = 'VIEW_3D'
     bl_region_type = 'UI'
     bl_label = "Skeleton Sketching"
-    bl_default_closed = True
+    bl_options = {'DEFAULT_CLOSED'}
 
     @classmethod
     def poll(cls, context):
@@ -2252,7 +2252,7 @@ class VIEW3D_PT_context_properties(bpy.types.Panel):
     bl_space_type = 'VIEW_3D'
     bl_region_type = 'UI'
     bl_label = "Properties"
-    bl_default_closed = True
+    bl_options = {'DEFAULT_CLOSED'}
 
     def _active_context_member(context):
         obj = context.object
diff --git a/release/scripts/ui/space_view3d_toolbar.py b/release/scripts/ui/space_view3d_toolbar.py
index 58923748607..712f06c8fe3 100644
--- a/release/scripts/ui/space_view3d_toolbar.py
+++ b/release/scripts/ui/space_view3d_toolbar.py
@@ -719,7 +719,7 @@ class VIEW3D_PT_tools_brush(PaintPanel, bpy.types.Panel):
 
 class VIEW3D_PT_tools_brush_texture(PaintPanel, bpy.types.Panel):
     bl_label = "Texture"
-    bl_default_closed = True
+    bl_options = {'DEFAULT_CLOSED'}
 
     @classmethod
     def poll(cls, context):
@@ -818,7 +818,7 @@ class VIEW3D_PT_tools_brush_texture(PaintPanel, bpy.types.Panel):
 
 class VIEW3D_PT_tools_brush_tool(PaintPanel, bpy.types.Panel):
     bl_label = "Tool"
-    bl_default_closed = True
+    bl_options = {'DEFAULT_CLOSED'}
 
     @classmethod
     def poll(cls, context):
@@ -854,7 +854,7 @@ class VIEW3D_PT_tools_brush_tool(PaintPanel, bpy.types.Panel):
 
 class VIEW3D_PT_tools_brush_stroke(PaintPanel, bpy.types.Panel):
     bl_label = "Stroke"
-    bl_default_closed = True
+    bl_options = {'DEFAULT_CLOSED'}
 
     @classmethod
     def poll(cls, context):
@@ -952,7 +952,7 @@ class VIEW3D_PT_tools_brush_stroke(PaintPanel, bpy.types.Panel):
 
 class VIEW3D_PT_tools_brush_curve(PaintPanel, bpy.types.Panel):
     bl_label = "Curve"
-    bl_default_closed = True
+    bl_options = {'DEFAULT_CLOSED'}
 
     @classmethod
     def poll(cls, context):
@@ -979,7 +979,7 @@ class VIEW3D_PT_tools_brush_curve(PaintPanel, bpy.types.Panel):
 
 class VIEW3D_PT_sculpt_options(PaintPanel, bpy.types.Panel):
     bl_label = "Options"
-    bl_default_closed = True
+    bl_options = {'DEFAULT_CLOSED'}
 
     @classmethod
     def poll(cls, context):
@@ -1018,7 +1018,7 @@ class VIEW3D_PT_sculpt_options(PaintPanel, bpy.types.Panel):
 		
 class VIEW3D_PT_sculpt_symmetry(PaintPanel, bpy.types.Panel):
     bl_label = "Symmetry"
-    bl_default_closed = True
+    bl_options = {'DEFAULT_CLOSED'}
 
     @classmethod
     def poll(cls, context):
@@ -1053,7 +1053,7 @@ class VIEW3D_PT_sculpt_symmetry(PaintPanel, bpy.types.Panel):
 
 class VIEW3D_PT_tools_brush_appearance(PaintPanel, bpy.types.Panel):
     bl_label = "Appearance"
-    bl_default_closed = True
+    bl_options = {'DEFAULT_CLOSED'}
 
     @classmethod
     def poll(cls, context):
@@ -1244,7 +1244,7 @@ class VIEW3D_PT_tools_projectpaint(View3DPanel, bpy.types.Panel):
 
 class VIEW3D_PT_imagepaint_options(PaintPanel):
     bl_label = "Options"
-    bl_default_closed = True
+    bl_options = {'DEFAULT_CLOSED'}
 
     @classmethod
     def poll(cls, context):