From 66ecb92cc2bf7583ed939d0a1d923d57fb2d2da3 Mon Sep 17 00:00:00 2001
From: Dion Moult <dion@thinkmoult.com>
Date: Sat, 7 Jan 2023 12:00:22 +1100
Subject: [PATCH] Minor UX improvements to library name and Sverchok UI

---
 ...uctural_assets_library.ifc => IFC4 AU Library.ifc} |  0
 src/blenderbim/blenderbim/bim/module/model/data.py    | 11 ++++++++++-
 .../blenderbim/bim/module/model/sverchok_modifier.py  |  6 +++---
 src/blenderbim/blenderbim/bim/module/model/ui.py      |  4 +++-
 4 files changed, 16 insertions(+), 5 deletions(-)
 rename src/blenderbim/blenderbim/bim/data/libraries/{Non_structural_assets_library.ifc => IFC4 AU Library.ifc} (100%)

diff --git a/src/blenderbim/blenderbim/bim/data/libraries/Non_structural_assets_library.ifc b/src/blenderbim/blenderbim/bim/data/libraries/IFC4 AU Library.ifc
similarity index 100%
rename from src/blenderbim/blenderbim/bim/data/libraries/Non_structural_assets_library.ifc
rename to src/blenderbim/blenderbim/bim/data/libraries/IFC4 AU Library.ifc
diff --git a/src/blenderbim/blenderbim/bim/module/model/data.py b/src/blenderbim/blenderbim/bim/module/model/data.py
index 31c15e905f..4ad36dbffb 100644
--- a/src/blenderbim/blenderbim/bim/module/model/data.py
+++ b/src/blenderbim/blenderbim/bim/module/model/data.py
@@ -385,7 +385,7 @@ class SverchokData:
     @classmethod
     def load(cls):
         cls.is_loaded = True
-        cls.data = {"parameters": cls.parameters()}
+        cls.data = {"parameters": cls.parameters(), "has_sverchok": cls.has_sverchok()}
 
     @classmethod
     def parameters(cls):
@@ -396,3 +396,12 @@ class SverchokData:
             if parameters:
                 parameters["data"] = json.loads(parameters.get("Data", "[]") or "[]")
                 return parameters
+
+    @classmethod
+    def has_sverchok(cls):
+        try:
+            import sverchok
+
+            return True
+        except:
+            return False
diff --git a/src/blenderbim/blenderbim/bim/module/model/sverchok_modifier.py b/src/blenderbim/blenderbim/bim/module/model/sverchok_modifier.py
index e81b910ead..dad29aa6ce 100644
--- a/src/blenderbim/blenderbim/bim/module/model/sverchok_modifier.py
+++ b/src/blenderbim/blenderbim/bim/module/model/sverchok_modifier.py
@@ -76,7 +76,7 @@ def update_sverchok_modifier(context):
 # UI operators
 class CreateNewSverchokGraph(bpy.types.Operator, tool.Ifc.Operator):
     bl_idname = "bim.create_new_sverchok_graph"
-    bl_label = "Create new sverchok graph"
+    bl_label = "Create New Sverchok Graph"
     bl_options = {"REGISTER"}
 
     def _execute(self, context):
@@ -101,7 +101,7 @@ class CreateNewSverchokGraph(bpy.types.Operator, tool.Ifc.Operator):
 
 class DeleteSverchokGraph(bpy.types.Operator, tool.Ifc.Operator):
     bl_idname = "bim.delete_sverchok_graph"
-    bl_label = "Delete selected sverchok graph"
+    bl_label = "Delete Selected Sverchok Graph"
     bl_options = {"REGISTER"}
 
     def _execute(self, context):
@@ -120,7 +120,7 @@ class DeleteSverchokGraph(bpy.types.Operator, tool.Ifc.Operator):
 
 class UpdateDataFromSverchok(bpy.types.Operator, tool.Ifc.Operator):
     bl_idname = "bim.update_data_from_sverchok"
-    bl_label = "Update data from sverchok"
+    bl_label = "Update Data From Sverchok"
     bl_options = {"REGISTER"}
 
     def invoke(self, context, event):
diff --git a/src/blenderbim/blenderbim/bim/module/model/ui.py b/src/blenderbim/blenderbim/bim/module/model/ui.py
index 846c6ac364..80cf755b59 100644
--- a/src/blenderbim/blenderbim/bim/module/model/ui.py
+++ b/src/blenderbim/blenderbim/bim/module/model/ui.py
@@ -385,7 +385,9 @@ class BIM_PT_sverchok(bpy.types.Panel):
         if not SverchokData.is_loaded:
             SverchokData.load()
 
-        self.layout.label(text="Requires SVERCHOK addon to be enabled.", icon="SEQUENCE_COLOR_02")
+        if not SverchokData.data["has_sverchok"]:
+            self.layout.label(text="Requires Sverchok Add-on", icon="ERROR")
+            return
 
         props = context.active_object.BIMSverchokProperties
         self.layout.prop_search(props, "node_group", bpy.data, "node_groups")