From 2e4e661594b23b56a75f1f713fbe3035b48b9b77 Mon Sep 17 00:00:00 2001
From: Roy-043 <70520633+Roy-043@users.noreply.github.com>
Date: Wed, 9 Jul 2025 15:44:41 +0200
Subject: [PATCH] BIM: store Classification prefix setting

---
 src/Mod/BIM/bimcommands/BimClassification.py | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/Mod/BIM/bimcommands/BimClassification.py b/src/Mod/BIM/bimcommands/BimClassification.py
index 445ae2ea6b..18853365d9 100644
--- a/src/Mod/BIM/bimcommands/BimClassification.py
+++ b/src/Mod/BIM/bimcommands/BimClassification.py
@@ -74,6 +74,7 @@ class BIM_Classification:
 
         # restore saved values
         self.form.onlyVisible.setChecked(PARAMS.GetInt("BimClassificationVisibleState", 0))
+        self.form.checkPrefix.setChecked(PARAMS.GetInt("BimClassificationSystemNamePrefix", 1))
         w = PARAMS.GetInt("BimClassificationDialogWidth", 629)
         h = PARAMS.GetInt("BimClassificationDialogHeight", 516)
         self.form.resize(w, h)
@@ -161,9 +162,10 @@ class BIM_Classification:
         self.form.search.down.connect(self.onDownArrow)
         if hasattr(self.form.onlyVisible, "checkStateChanged"): # Qt version >= 6.7.0
             self.form.onlyVisible.checkStateChanged.connect(self.onVisible)
+            self.form.checkPrefix.checkStateChanged.connect(self.onPrefix)
         else: # Qt version < 6.7.0
             self.form.onlyVisible.stateChanged.connect(self.onVisible)
-
+            self.form.checkPrefix.stateChanged.connect(self.onPrefix)
         # center the dialog over FreeCAD window
         mw = FreeCADGui.getMainWindow()
         self.form.move(
@@ -673,6 +675,9 @@ class BIM_Classification:
         PARAMS.SetInt("BimClassificationVisibleState", getattr(index, "value", index))
         self.updateObjects()
 
+    def onPrefix(self, index):
+        PARAMS.SetInt("BimClassificationSystemNamePrefix", getattr(index, "value", index))
+
     def getIcon(self,obj):
         """returns a QIcon for an object"""