Fixes to PR7607 (Linked IFC Projects): Wireframe toggle. More permisive to get has_transformation = False. Show enable_editing_link if link is loaded

src/bonsai/bonsai/bim/module/project/operator.py

@@ -1664,12 +1664,16 @@ class ToggleLinkVisibility(bpy.types.Operator):
         return {"FINISHED"}
 
     def toggle_wireframe(self, link: "Link") -> None:
+        linked_collections = self.get_linked_collections()
+
         link.is_wireframe = not link.is_wireframe
         display_type = "WIRE" if link.is_wireframe else "TEXTURED"
-        for collection in self.get_linked_collections():
+        for collection in linked_collections:
             objs = filter(lambda obj: "IfcOpeningElement" not in obj.name, collection.all_objects)
             for obj in objs:
                 obj.display_type = display_type
+        if handle := tool.Project.get_link_empty_handle(link):
+            handle.display_type = display_type
 
     def toggle_visibility(self, link: "Link") -> None:
         linked_collections = self.get_linked_collections()
@@ -1746,15 +1750,14 @@ class EditLink(bpy.types.Operator, tool.Ifc.Operator):
 
         # obj_matrix is typically calculated as:
         # obj_matrix = np.linalg.inv(local_matrix) @ transformation @ global_matrix
-        # So let's calculate the transformation
-
-        transformed_global_matrix = local_matrix @ np.array(new_obj_matrix)
-        transformation = transformed_global_matrix @ np.linalg.inv(global_matrix)
-        if np.allclose(transformation, np.eye(4)):
-            link.has_transformation = True
+        identity_blender_matrix = np.linalg.inv(local_matrix) @ global_matrix
+        if np.allclose(np.array(new_obj_matrix), identity_blender_matrix, atol=1e-5):
+            link.has_transformation = False
             transformation = ",".join(map(str, np.eye(4).reshape(-1)))
         else:
-            link.has_transformation = False
+            transformed_global_matrix = local_matrix @ np.array(new_obj_matrix)
+            transformation = transformed_global_matrix @ np.linalg.inv(global_matrix)
+            link.has_transformation = True
             transformation = ",".join(map(str, transformation.reshape(-1)))
 
         if tool.Ifc.get():

src/bonsai/bonsai/bim/module/project/ui.py

@@ -487,12 +487,12 @@ class BIM_PT_links(Panel):
                 row = self.layout.row(align=True)
                 row.alignment = "RIGHT"
                 index = self.props.active_link_index
-                if self.props.active_link.is_editing:
-                    row.operator("bim.edit_link", text="", icon="CHECKMARK")
-                    row.operator("bim.disable_editing_link", text="", icon="CANCEL")
-                else:
-                    row.operator("bim.enable_editing_link", text="", icon="GREASEPENCIL")
                 if self.props.active_link.is_loaded:
+                    if self.props.active_link.is_editing:
+                        row.operator("bim.edit_link", text="", icon="CHECKMARK")
+                        row.operator("bim.disable_editing_link", text="", icon="CANCEL")
+                    else:
+                        row.operator("bim.enable_editing_link", text="", icon="GREASEPENCIL")
                     row.operator("bim.select_link_handle", text="", icon="OBJECT_DATA").link_index = index
                     row.operator("bim.unload_link", text="", icon="UNLINKED").link_index = index
                     row.operator("bim.reload_link", text="", icon="FILE_REFRESH").link_index = index