def loadConn(self, item):
c = Connection(None, self)
pt1 = QtCore.QPointF(float(item.findtext('pos1X')),
float(item.findtext('pos1Y')))
pt2 = QtCore.QPointF(float(item.findtext('pos2X')),
float(item.findtext('pos2Y')))
c.pos1 = pt1
c.pos2 = pt2
c.update_ports_from_pos()
def bindNode(self):
self.scene.DgmToUndo()
item = self.scene.item
if len(item.port_out.connections) == 1:
c1 = item.port_in.connections[0]
c2 = item.port_out.connections[0]
c = Connection(None, self.scene)
c.pos1 = c1.pos1
c.pos2 = c2.pos2
item.remove()
c.update_ports_from_pos()
if isinstance(c.port1, OutPort) and isinstance(c.port2, InPort):
pos = QtCore.QPointF((c.pos2.x() + c.pos1.x()) / 2, c.pos1.y())
self.newNode(c, pos)
else:
self.scene.clearLastUndo()
def newNode(self, item, pos):
port2 = item.port2
pos2 = item.pos2
c = Connection(None, self.scene)
b = Node(None, self.scene)
b.setPos(pos)
self.lastNode = b
item.port2.connections.remove(item)
item.port2.connections.append(c)
item.port2 = b.port_in
item.port2.connections.append(item)
item.pos2 = b.pos()
c.port1 = b.port_out
c.port2 = port2
c.port1.connections.append(c)
c.pos1 = b.pos()
c.pos2 = pos2
item.update_path()
c.update_path()
self.scene.isInsConn = False
self.scene.isConnecting = True