Geometry: Refacto and fix purge method.

src/View/Geometry/Profile/UndoCommand.py

@@ -202,16 +202,17 @@ class PurgeCommand(QUndoCommand):
     def __init__(self, profile, np_purge):
         QUndoCommand.__init__(self)
 
+        self._deleted = []
         self._profile = profile
-        self._old = self._profile.points.copy()
         self._np_purge = np_purge
 
     def undo(self):
-        self._profile._points = self._old.copy()
+        for point in self._deleted:
+            point.set_as_not_deleted()
         self._profile.modified()
 
     def redo(self):
-        self._profile.purge(self._np_purge)
+        self._deleted = self._profile.purge(self._np_purge)
         self._profile.modified()
 
 

src/View/Geometry/UndoCommand.py

@@ -277,18 +277,17 @@ class PurgeCommand(QUndoCommand):
 
         self._reach = reach
         self._np_purge = np_purge
-
-        self._old = []
-        for profile in self._reach.profiles:
-            self._old.append(profile.points.copy())
+        self._deleted = {}
 
     def undo(self):
-        for i in range(self._reach.number_profiles):
-            self._reach.profiles[i]._points = self._old[i].copy()
+        for profile in self._deleted:
+            for point in self._deleted[profile]:
+                point.set_as_not_deleted()
+            profile.modified()
 
     def redo(self):
         for profile in self._reach._profiles:
-            profile.purge(self._np_purge)
+            self._deleted[profile] = profile.purge(self._np_purge)
 
 
 class ChangeReachCommand(QUndoCommand):