Network: Add edge add and del command.

src/View/Network/GraphWidget.py

@@ -462,7 +462,12 @@ class GraphWidget(QGraphicsView):
         if node1 == node2:
             return
 
-        edge = self.graph.add_edge(node1.node, node2.node)
+        edge = self.graph.create_edge(node1.node, node2.node)
+        self._undo.push(
+            AddEdgeCommand(
+                self.graph, edge
+            )
+        )
         self.set_selected_item(None)
         self.set_selected_new_edge_src_node(None)
         # Reset the temporary line
@@ -484,7 +489,11 @@ class GraphWidget(QGraphicsView):
             Nothing
         """
         edge = item.edge
-        self.graph.remove_edge(edge.name)
+        self._undo.push(
+            DelEdgeCommand(
+                self.graph, edge
+            )
+        )
 
         # Clear all scene and redraw it
         self.scene().clear()
@@ -776,6 +785,7 @@ class GraphWidget(QGraphicsView):
 
     def _menu_edge(self, event, pos, items, menu):
         delete = menu.addAction(_translate("Network", "Delete the reach"))
+
         if self.graph.is_enable_edge(items[0].edge):
             enable = menu.addAction(_translate("Network", "Disable the reach"))
             is_enable = True