When refresh layers happens, it just replaces everything with what's …

…in the dataprep xml. Put the tabs in there using tech-properties-tabs

lymask/menu.py

@@ -4,7 +4,7 @@
 import os
 
 from lymask.invocation import gui_main
-from lymask.utilities import insert_layer_tab, tech_dataprep_layer_properties, reload_lys
+from lymask.utilities import insert_layer_tab, tech_dataprep_layer_properties, reload_lys, gui_view
 
 DEFAULT_TECH = 'OLMAC'
 
@@ -73,10 +73,11 @@ def reload_dataprep_menu(tech_name=None):
     menu = pya.Application.instance().main_window().menu()
     def refresh_layers():
         reload_lys(tech_name)
-        insert_layer_tab(tech_dataprep_layer_properties(), tab_name='Dataprep')
-        # insert_layer_tab(tab_name='Masks')
+        lv = gui_view()
+        lv.load_layer_props(tech_dataprep_layer_properties())
+        lv.current_layer_list = 0
     layer_action = _gen_new_action(refresh_layers)
     layer_action.title = 'Refresh layer display'
-    # layer_action.shortcut = 'Shift+Ctrl+P'
+    layer_action.shortcut = 'Shift+Ctrl+P'
     menu.insert_separator('soen_menu.dataprep.begin', 'SEP2')
     menu.insert_item('soen_menu.dataprep.begin', 'dataprep_layer_refresh', layer_action)

lymask/utilities.py

@@ -27,7 +27,7 @@ def tech_layer_properties(pya_tech=None):
 
 
 def tech_dataprep_layer_properties(pya_tech=None):
-    ''' Returns the file containing the main layer properties
+    ''' Returns the file containing the dataprep layer properties
     '''
     if pya_tech is None:
         pya_tech = active_technology()
@@ -148,16 +148,16 @@ def fromFile(cls, filename):
                     new_obj[short_name] = source2pyaLayerInfo(memb['source'])
         return new_obj
 
-    def append(self, other):
+    def append(self, other, doubles_ok=False):
         for layname in other.keys():
-            if layname in self.keys():
+            if layname in self.keys() and not doubles_ok:
                 raise ValueError('Layer is doubly defined: {}'.format(layname))
             self[layname] = other.get_as_LayerInfo(layname)
 
     def appendFile(self, filename):
         other = LayerSet.fromFile(filename)
         other.active_layout = self.active_layout
-        self.append(other)
+        self.append(other, doubles_ok=True)
 
 
 def name2shortName(name_str):