FIX: combobox changing from xLabel to funcLabel in one combobox #2

radarGUI.py

 # -*- coding: utf-8 -*-
 
+import csv
 # Form implementation generated from reading ui file 'navrh.ui'
 #
 # Created by: PyQt5 UI code generator 5.7
@@ -7,9 +8,10 @@
 # WARNING! All changes made in this file will be lost!
 import glob
 import os
-import csv
+
 from PyQt5 import QtCore, QtGui, QtWidgets
 
+
 class Ui_TabWidget(object):
     def __init__(self):
         self.current_labels_dic = {'xLabel': None, 'funcLabel': None}
@@ -542,19 +544,25 @@ class Ui_TabWidget(object):
 
         if current_combo_box.currentText() in ['xLabel', 'funcLabel']:
             if self.current_labels_dic[current_combo_box.currentText()] != current_combo_box:
+                tmp_key = None
+                if current_combo_box in self.current_labels_dic.values():
+                    tmp_key = [k for k, v in self.current_labels_dic.items() if v == current_combo_box][0]
+                    self.current_labels_dic[tmp_key] = None
                 self.current_labels_dic[current_combo_box.currentText()] = current_combo_box
                 for key, val in self.combobox_items_dic.items():
                     if key == current_combo_box:
                         continue
                     act_label = key.currentText()
+                    if tmp_key is not None:
+                        self.combobox_items_dic[key].append(tmp_key)
                     self.combobox_items_dic[key].remove(current_combo_box.currentText())
                     key.clear()
                     key.addItems(self.combobox_items_dic[key])
                     key.setCurrentIndex(key.findText(act_label))
-            #TODO: change from xLabel to funcLabel in one combobox
 
         else:
             if current_combo_box in self.current_labels_dic.values():
+                add_item = None
                 for key, val in self.current_labels_dic.items():
                     if val == current_combo_box:
                         add_item = key