Scenario: Remove posibility to remove non leaf scenario.

src/Model/Scenarios.py

@@ -16,6 +16,8 @@
 
 # -*- coding: utf-8 -*-
 
+from functools import reduce
+
 from tools import logger_exception
 
 from Model.Tools.PamhyrDict import PamhyrModelDict
@@ -78,3 +80,12 @@ class Scenarios(PamhyrModelDict):
 
         self._dict[key].set_as_deleted()
         self._status.modified()
+
+    def is_leaf(self, scenario):
+        return not reduce(
+            lambda acc, s: (
+                acc or s.parent is scenario
+            ),
+            self._dict.values(),
+            False
+        )

src/View/Scenarios/ContextMenu.py

@@ -57,6 +57,8 @@ class DefaultMenu(AbstractMenu):
 class ScenarioMenu(AbstractMenu):
     def run(self):
         item = self._items[0]
+        scenarios = item.graph._study.scenarios
+
         current_scenario = item.graph._study.status.scenario.id
 
         select = self._menu.addAction(self._trad["menu_select_scenario"])
@@ -64,7 +66,9 @@ class ScenarioMenu(AbstractMenu):
         delete = None
 
         if item.scenario.id != 0:
+            if scenarios.is_leaf(item.scenario):
                 delete = self._menu.addAction(self._trad["menu_del_scenario"])
+
             if item.scenario.id == current_scenario:
                 duplicate = self._menu.addAction(
                     self._trad["menu_dup_scenario"]