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Bonsai: reload external styles from .blend in update_current_style #9478

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Bonsai: reload external styles from .blend in update_current_style #9478

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20 changes: 19 additions & 1 deletion src/bonsai/bonsai/bim/module/style/operator.py
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Original file line number Diff line number Diff line change
Expand Up @@ -209,7 +209,8 @@ class UpdateCurrentStyle(bpy.types.Operator):
bl_idname = "bim.update_current_style"
bl_label = "Update Current Style"
bl_description = (
"Update style for all selected objects according to current style type\n(Shading/External).\n\n"
"Update style for all selected objects according to current style type\n(Shading/External).\n"
+ "External styles are reloaded from their .blend file.\n\n"
+ "SHIFT+CLICK to update ALL styles in the .ifc file to current style type"
)
bl_options = {"REGISTER", "UNDO"}
Expand All @@ -232,6 +233,11 @@ def execute(self, context):
if self.update_all:
sprops = tool.Style.get_style_props()
sprops.active_style_type = current_style_type
if current_style_type == "External":
for mat in bpy.data.materials:
if tool.Blender.get_ifc_definition_id(mat) == 0:
continue
self.reload_external_style(mat)
return {"FINISHED"}

updated_materials: set[bpy.types.Material] = set()
Expand All @@ -247,9 +253,21 @@ def execute(self, context):
if mat in updated_materials:
continue
msprops_.active_style_type = current_style_type
if current_style_type == "External":
self.reload_external_style(mat)
updated_materials.add(mat)
return {"FINISHED"}

def reload_external_style(self, material: bpy.types.Material) -> None:
# Setting active_style_type only flips the cached dual-branch outputs,
# so re-append from the .blend to pick up changes made to the external style.
if not tool.Style.has_blender_external_style(tool.Style.get_style_elements(material)):
return
try:
bpy.ops.bim.activate_external_style(material_name=material.name)
except RuntimeError as error:
self.report({"WARNING"}, str(error))


class SetAssetMaterialToExternalStyle(bpy.types.Operator):
bl_idname = "bim.set_asset_material_to_external_style"
Expand Down