def displayLink(self):
"""creates a graphical dialog to select an edge and display its information"""
currEdges = self.graph.edges(data = True)
link, ok = dialogs.DisplayLink.getDataDialog(currEdges)
if ok: # gets the user selected edge
(node1, node2) = link.getNodes()
nodeName1 = node1.getName()
nodeName2 = node2.getName()
protocol = link.getProtocol()
risk = link.getRisk()
# display the data for the edge in a message box
message = QtGui.QMessageBox.information(self, "View Edge", "Name: {0}\nNode 1: {1}\nNode 2: {2}\nProtocol: {3}\nRisk: {4}".format(link.getName(), nodeName1, nodeName2, protocol, risk))
def getNewLink(self):
"""creates a graphical dialog to create a new edge and ensures
that the edge is between two compatible nodes"""
currNodes = self.graph.nodes(data = True)
if len(currNodes) < 2: # ensures that 2 or more nodes are present in order ot make an edge
message = QtGui.QMessageBox.warning(self, "Black Hat Risk", "Not enough nodes to create an edge!")
return
link, ok = dialogs.AddLink.getDataDialog(currNodes)
if ok:
(n1, n2) = link.getNodes()
proto = link.getProtocol()
if self.checkLinkCompat(n1, n2, proto): # checks compatability of the nodes and protocol and adds the edge if possible
self.addLink(link)
else:
message = QtGui.QMessageBox.warning(self, "Black Hat Risk", "Incompatible Link between storage devices!")