Styles UI - support renaming styles by double click

Example - https://imgur.com/a/X7WBllz

src/blenderbim/blenderbim/bim/module/style/prop.py

@@ -51,8 +51,13 @@ def get_reflectance_methods(self, context):
     return StylesData.data["reflectance_methods"]
 
 
+def update_style_name(self: "Style", context: bpy.types.Context) -> None:
+    style = tool.Ifc.get().by_id(self.ifc_definition_id)
+    tool.Style.rename_style(style, self.name)
+
+
 class Style(PropertyGroup):
-    name: StringProperty(name="Name")
+    name: StringProperty(name="Name", update=update_style_name)
     ifc_definition_id: IntProperty(name="IFC Definition ID")
     total_elements: IntProperty(name="Total Elements")
     style_classes: CollectionProperty(name="Style Classes", type=StrProperty)

src/blenderbim/blenderbim/bim/module/style/ui.py

@@ -265,7 +265,7 @@ class BIM_UL_styles(UIList):
     def draw_item(self, context, layout, data, item, icon, active_data, active_propname):
         if item:
             row = layout.row(align=True)
-            row.label(text=item.name)
+            row.prop(item, "name", text="", emboss=False)
             if item.has_surface_colour:
                 row = row.row(align=True)
                 row.enabled = False

src/blenderbim/blenderbim/tool/style.py

@@ -663,3 +663,10 @@ class Style(blenderbim.core.tool.Style):
                 tool.Loader.create_surface_style_with_textures(blender_material, rendering_style, texture_style)
         else:
             assert_never(style_type)
+
+    @classmethod
+    def rename_style(cls, style: ifcopenshell.entity_instance, name: str) -> None:
+        """Rename style and related blender material."""
+        blender_material = tool.Ifc.get_object(style)
+        # Will implicitly update the style name using handler.
+        blender_material.name = name