BC: Fix delete elements.

src/Model/BoundaryCondition/BoundaryCondition.py

 # -*- coding: utf-8 -*-
 
+from tools import trace, timer
+
 from Model.Except import NotImplementedMethodeError
 
 class BoundaryCondition(object):
@@ -88,6 +90,7 @@ class BoundaryCondition(object):
     def set_i_1(self, index:int, value):
         self._set_i_c_v(index, 1, value)
 
+    @timer
     def convert(self, cls):
         new = cls(name = self.name)
         for i, _ in self.data:

src/Model/BoundaryCondition/BoundaryConditionList.py

@@ -25,16 +25,16 @@ class BoundaryConditionList(list):
             self.remove(bc)
 
     def delete_i(self, indexes):
-        bcs = map(
-            lambda x: x[1],
-            filter(
-                lambda x: x[0] in indexes,
-                enumerate(self)
+        bcs = list(
+            map(
+                lambda x: x[1],
+                filter(
+                    lambda x: x[0] in indexes,
+                    enumerate(self)
+                )
             )
         )
-
-        for bc in bcs:
-            self.remove(bc)
+        self.delete(bcs)
 
     def move_up(self, index):
         if index < len(self):

src/View/BoundaryCondition/BoundaryConditionWindow.py

@@ -301,6 +301,10 @@ class BoundaryConditionWindow(ASubMainWindow, ListedSubWindow):
             2, self._delegate_node
         )
 
+        table.setSelectionBehavior(QAbstractItemView.SelectRows)
+        table.setAlternatingRowColors(True)
+
+
     def setup_connections(self):
         self.find(QAction, "action_add").triggered.connect(self.add)
         self.find(QAction, "action_del").triggered.connect(self.delete)
@@ -339,6 +343,9 @@ class BoundaryConditionWindow(ASubMainWindow, ListedSubWindow):
 
     def delete(self):
         rows = self.index_selected_rows()
+        if len(rows) == 0:
+            return
+
         self._table.delete(rows)
 
     def sort(self):