allow the HM symbol change to be visible after changing the IT coord

code

Author: rozyczko

easyDiffractionApp/Examples/LaMnO3_3T2@LLB/models/lmo.cif

@@ -8,7 +8,7 @@ _cell.angle_beta 90.0
 _cell.angle_gamma 90.0
 
 _space_group.name_H-M_alt "P n m a"
-_space_group.IT_coordinate_system_code cab
+_space_group.IT_coordinate_system_code abc
 
 loop_
 _atom_site.label
@@ -22,4 +22,4 @@ _atom_site.B_iso_or_equiv
 La La 0.9924720001733065 0.048845000881678716 0.25 1.0 Biso 0.2906
 Mn Mn 0.5 0.0 0.0 1.0 Biso 0.1658
 O1 O 0.0743619999537262 0.48730900009876266 0.25 1.0 Biso 0.438
-O2 O 0.7257829999607026 0.306773999947812 0.03854 1.0 Biso 0.3592
+O2 O 0.7257829999607026 0.306773999947812 0.03854 1.0 Biso 0.3592

easyDiffractionApp/Logic/Model.py

@@ -565,13 +565,26 @@ def setMainParamWithFullUpdate(self, blockIdx, category, name, field, value):
         # but it's easier to just update the existing dict
         if field == 'value':
             self._dataBlocks[blockIdx]['params'][category][name]['value'] = value
+            # check dependencies for the given parameter
+            self.setParamDependencies(blockIdx, category, name, value)
         elif field == 'error':
             self._dataBlocks[blockIdx]['params'][category][name]['error'] = value
         elif field == 'fit':
             self._dataBlocks[blockIdx]['params'][category][name]['fit'] = value
+
         self.setDataBlocksCif()
+        # self.replaceModel(self._dataBlocksCif[0][0])
         self.replaceModel()
 
+    def setParamDependencies(self, blockIdx, category, name, value):
+        # changes to certain parameters trigger changes in other parameters
+        # 1. space group code change -> change space group name
+        if name == 'IT_coordinate_system_code':
+            spaceGroup = self._dataBlocks[blockIdx]['params']['_space_group']
+            group = self.job.phases[blockIdx].space_group
+            spaceGroup['name_H-M_alt']['value'] = group.hermann_mauguin
+        pass
+
     @Slot(int, str, str, str, 'QVariant')
     def setMainParam(self, blockIdx, category, name, field, value):
         changedIntern = self.editDataBlockMainParam(blockIdx, category, name, field, value)
@@ -621,7 +634,8 @@ def createSpaceGroupNames(self):
         names = []
         for system in all_system_names:
             numbers = SpacegroupInfo.get_ints_from_system(system)
-            names.extend([SpacegroupInfo.get_symbol_from_int_number(n) for n in numbers])
+            for n in numbers:
+                names.extend(SpacegroupInfo.get_compatible_HM_from_int(n))
         return names
 
     def createIsotopesNames(self):