Geometry: Update RK refactoring and fix modified flag.

src/Model/Friction/Friction.py

@@ -365,3 +365,9 @@ class Friction(SQLSubModel):
         #                  self.end_strickler.medium])
 
         return minor, medium
+
+    def update_rks(self, begin_rk, end_rk):
+        self._begin_rk = begin_rk
+        self._end_rk = end_rk
+
+        self.modified()

src/Model/Geometry/Reach.py

@@ -967,3 +967,9 @@ class Reach(SQLSubModel):
                 break
 
         return global_index
+
+    def update_rks(self, rks):
+        for rk, profile in zip(rks, self.profiles):
+            profile.rk = rk
+
+        self.modified()

src/View/Geometry/UndoCommand.py

@@ -247,14 +247,13 @@ class UpdateRKCommand(QUndoCommand):
         self._new_end_rk = None
 
     def undo(self):
-        for rk, profile in zip(self._rks, self._reach.profiles):
+
-            profile.rk = rk
+        self._reach.update_rks(self._rks)
 
         for begin_rk, end_rk, friction in zip(self._begin_rk,
                                               self._end_rk,
                                               self._frictions):
-            friction.begin_rk = begin_rk
+            friction.update_rks(begin_rk, end_rk)
-            friction.end_rk = end_rk
 
     def redo(self):
         if self._new_rks is None:
@@ -264,13 +263,12 @@ class UpdateRKCommand(QUndoCommand):
                     **self._data
                 )
 
-        for rk, profile in zip(self._new_rks, self._reach.profiles):
+        self._reach.update_rks(self._new_rks)
-            profile.rk = rk
+
         for begin_rk, end_rk, friction in zip(self._new_begin_rk,
                                               self._new_end_rk,
                                               self._frictions):
-            friction.begin_rk = begin_rk
+            friction.update_rks(begin_rk, end_rk)
-            friction.end_rk = end_rk
 
 
 class MeshingCommand(QUndoCommand):