Select Layer In Layers UI

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

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

@@ -2364,6 +2364,7 @@ class EnableEditingRepresentationItems(bpy.types.Operator, tool.Ifc.Operator):
                                     new.surface_style_id = style.id()
                         elif inverse.is_a("IfcPresentationLayerAssignment"):
                             new.layer = inverse.Name or "Unnamed"
+                            new.layer_id = inverse.id()
                         elif inverse.is_a("IfcShapeRepresentation"):
                             if inverse.OfShapeAspect:
                                 shape_aspect = inverse.OfShapeAspect[0]

src/bonsai/bonsai/bim/module/geometry/prop.py

@@ -131,6 +131,7 @@ class RepresentationItem(PropertyGroup):
     surface_style: StringProperty(name="Surface Style")
     surface_style_id: IntProperty(name="Surface Style ID")
     layer: StringProperty(name="Layer")
+    layer_id: IntProperty(name="Layer ID")
     ifc_definition_id: IntProperty(name="IFC Definition ID")
     shape_aspect: StringProperty(name="Shape Aspect")
     shape_aspect_id: IntProperty(name="Shape Aspect IFC ID")
@@ -141,6 +142,7 @@ class RepresentationItem(PropertyGroup):
         surface_style: str
         surface_style_id: int
         layer: str
+        layer_id: int
         ifc_definition_id: int
         shape_aspect: str
         shape_aspect_id: int

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

@@ -236,6 +236,9 @@ class BIM_PT_representation_items(Panel):
             row.prop(props, "is_editing_item_layer", icon="CANCEL", text="")
         else:
             row.label(text=layer or "No Presentation Layer", icon="STICKY_UVS_LOC")
+            if layer:
+                op = row.operator("bim.layer_ui_select", icon="ZOOM_SELECTED", text="")
+                op.layer_id = active_item.layer_id
             row.prop(props, "is_editing_item_layer", icon="GREASEPENCIL", text="")
             if layer:
                 row.operator("bim.unassign_representation_item_layer", icon="X", text="")

src/bonsai/bonsai/bim/module/layer/__init__.py

@@ -27,6 +27,7 @@ classes = (
     operator.EditPresentationLayer,
     operator.EnableEditingLayer,
     operator.LoadLayers,
+    operator.SelectLayerInLayerUI,
     operator.RemovePresentationLayer,
     operator.SelectLayerProducts,
     operator.UnassignPresentationLayer,

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

@@ -190,3 +190,22 @@ class SelectLayerProducts(bpy.types.Operator):
             if element and element in elements:
                 obj.select_set(True)
         return {"FINISHED"}
+
+
+class SelectLayerInLayerUI(bpy.types.Operator):
+    bl_idname = "bim.layer_ui_select"
+    bl_label = "Select Layer In Layers UI"
+    bl_options = {"REGISTER", "UNDO"}
+    layer_id: bpy.props.IntProperty()
+
+    def execute(self, context):
+        props = tool.Layer.get_layer_props()
+        ifc_file = tool.Ifc.get()
+        layer = ifc_file.by_id(self.layer_id)
+        bpy.ops.bim.load_layers()
+        props.active_layer_index = next((i for i, m in enumerate(props.layers) if m.ifc_definition_id == self.layer_id))
+        self.report(
+            {"INFO"},
+            f"Layer '{layer.Name or 'Unnamed'}' is selected in Layers UI.",
+        )
+        return {"FINISHED"}