Network: Add scenario support.

src/Model/Network/Edge.py

@@ -24,10 +24,8 @@ class Edge(PamhyrID):
     def __init__(self, id: int, name: str,
                  node1: Node = None,
                  node2: Node = None,
-                 status=None):
-        super(Edge, self).__init__(id)
-
-        self._status = status
+                 status=None, **kwargs):
+        super(Edge, self).__init__(id=id, status=status, **kwargs)
 
         self._name = name
         self.node1 = node1
@@ -63,7 +61,7 @@ class Edge(PamhyrID):
         elif name == "enable":
             self._enable = value
 
-        self._status.modified()
+        self.modified()
 
     @property
     def id(self):
@@ -79,16 +77,19 @@ class Edge(PamhyrID):
     def is_enable(self):
         return self._enable
 
+    def is_deleted(self):
+        return False
+
     def enable(self, enable=True):
         self._enable = enable
-        self._status.modified()
+        self.modified()
 
     def disable(self):
         self._enable = False
-        self._status.modified()
+        self.modified()
 
     def reverse(self):
         tmp = self.node1
         self.node1 = self.node2
         self.node2 = tmp
-        self._status.modified()
+        self.modified()