--- a/mqtt/client.py	Fri Aug 30 11:54:36 2024 +0200
+++ b/mqtt/client.py	Fri Aug 30 15:17:03 2024 +0200
@@ -29,7 +29,11 @@
         self.Controler.GetCTRoot().logger.write(msg)
 
     def CreateMQTTClient_UI(self, parent):
-        return MQTTClientPanel(parent, self.Controler.GetModelData(), self.Log, self.Controler.GetConfig)
+        return MQTTClientPanel(
+            parent,
+            self.Controler.GetModelData(),
+            self.Log,
+            self.Controler.GetTypes)
 
 class MQTTClient(object):
     XSD = """<?xml version="1.0" encoding="ISO-8859-1" ?>
@@ -86,6 +90,10 @@
     def GetModelData(self):
         return self.modeldata
 
+    def GetTypes(self):
+        datatype_candidates = self.GetCTRoot().GetDataTypes()
+        return datatype_candidates
+
     def GetConfig(self):
         def cfg(path): 
             try:
@@ -194,3 +202,9 @@
                 "location": ".".join([str(i) for i in current_location]) + ".x",
                 "children": children}
 
+
+    def CTNGlobalInstances(self):
+        location_str = "_".join(map(str, self.GetCurrentLocation()))
+        return [("MQTT_HAPPY_"+location_str, "DINT", "")]
+
+

--- a/mqtt/mqtt_client_gen.py	Fri Aug 30 11:54:36 2024 +0200
+++ b/mqtt/mqtt_client_gen.py	Fri Aug 30 15:17:03 2024 +0200
@@ -152,8 +152,16 @@
     def ResetData(self):
         self.Reset(len(self.data))
 
+class MQQTTypeChoiceRenderer(dv.DataViewChoiceRenderer):
+    def __init__(self, types_getter):
+        dv.DataViewChoiceRenderer.__init__(self, types_getter())
+        self.types_getter = types_getter
+
+    def GetChoices(self):
+        return self.types_getter()
+
 class MQTTTopicListPanel(wx.Panel):
-    def __init__(self, parent, log, model, direction):
+    def __init__(self, parent, log, model, direction, types_getter):
         self.log = log
         wx.Panel.__init__(self, parent, -1)
 
@@ -171,7 +179,12 @@
 
         dsc = lstcoldsc[direction]
         for idx,(colname,width) in enumerate(zip(dsc.lstcolnames,dsc.lstcolwidths)):
-            self.dvc.AppendTextColumn(colname,  idx, width=width, mode=dv.DATAVIEW_CELL_EDITABLE)
+            if colname == "Type":
+                choice_DV_render = MQQTTypeChoiceRenderer(types_getter)
+                choice_DV_col = dv.DataViewColumn(colname, choice_DV_render, idx, width=width)
+                self.dvc.AppendColumn(choice_DV_col)
+            else:
+                self.dvc.AppendTextColumn(colname,  idx, width=width, mode=dv.DATAVIEW_CELL_EDITABLE)
 
 
         self.Sizer = wx.BoxSizer(wx.VERTICAL)
@@ -206,18 +219,16 @@
 
 
 class MQTTClientPanel(wx.SplitterWindow):
-    def __init__(self, parent, modeldata, log, config_getter):
+    def __init__(self, parent, modeldata, log, types_getter):
         self.log = log
         wx.SplitterWindow.__init__(self, parent, style=wx.SUNKEN_BORDER | wx.SP_3D)
 
-        self.config_getter = config_getter
-
         self.selected_datas = modeldata
         self.selected_models = { direction:MQTTTopicListModel(
             self.selected_datas[direction], log, direction) for direction in directions }
         self.selected_lists = { direction:MQTTTopicListPanel(
                 self, log, 
-                self.selected_models[direction], direction) 
+                self.selected_models[direction], direction, types_getter) 
             for direction in directions }
 
         self.SplitHorizontally(*[self.selected_lists[direction] for direction in directions]+[300])