public void AddRoutersToCanvas()
{
WorkingArea.Children.Clear();
InitControllerUI();
connections.Clear();
controllerConnections.Clear();
foreach (Router router in routers)
{
WorkingRouter routerControl = new WorkingRouter(router);
routerControl.OnRouterMove += UpdateLinksOnRouterMove;
routerControl.OnRouterMove += UpdateControllerLinkOnRouterMove;
routerControl.PreviewMouseDown += workingRouter_Click;
WorkingArea.Children.Add(routerControl);
if (router != null)
{
Canvas.SetLeft(routerControl, router.PositionX);
Canvas.SetTop(routerControl, router.PositionY);
}
routerViewModels.Add(routerControl);
controllerConnections.Add(CreateControllerConnectionViewModel(routerControl));
}
}
public ConnectionViewModel(WorkingRouter routerFrom, WorkingRouter routerTo, Line line, Link link)
{
RouterFrom = routerFrom;
RouterTo = routerTo;
Line = line;
Link = link;
Link.MetricChanged += OnMetricChanged;
}
public void UpdateControllerLinkOnRouterMove(WorkingRouter routerView)
{
var controllerConnectionViewModel = controllerConnections.FirstOrDefault(x => x.Router == routerView);
if (controllerConnectionViewModel == null)
{
return;
}
var line = controllerConnectionViewModel.Line;
line.X1 = controllerUI.PositionX + routerPositionCorrective;
line.Y1 = controllerUI.PositionY + routerPositionCorrective;
line.X2 = routerView.Router.PositionX + routerPositionCorrective;
line.Y2 = routerView.Router.PositionY + routerPositionCorrective;
}
private void btnAddRouter_Click(object sender, RoutedEventArgs e)
{
var router = Controller.Instance.AddNewRouter();
routers.Add(router);
WorkingRouter routerControl = new WorkingRouter(router);
routerControl.OnRouterMove += UpdateLinksOnRouterMove;
routerControl.OnRouterMove += UpdateControllerLinkOnRouterMove;
routerControl.PreviewMouseDown += workingRouter_Click;
routerViewModels.Add(routerControl);
WorkingArea.Children.Add(routerControl);
controllerConnections.Add(CreateControllerConnectionViewModel(routerControl));
var a = 5;
}
public void UpdateLinksOnRouterMove(WorkingRouter routerView)
{
//update links to router
var connectionFrom = connections.Where(x => x.RouterFrom == routerView).ToList();
foreach (var connection in connectionFrom)
{
var line = connection.Line;
line.X1 = connection.RouterFrom.Router.PositionX + routerPositionCorrective;
line.Y1 = connection.RouterFrom.Router.PositionY + routerPositionCorrective;
}
var connectionTo = connections.Where(x => x.RouterTo == routerView).ToList();
foreach (var connection in connectionTo)
{
var line = connection.Line;
line.X2 = connection.RouterTo.Router.PositionX + routerPositionCorrective;
line.Y2 = connection.RouterTo.Router.PositionY + routerPositionCorrective;
}
}
private ControllerConnectionViewModel CreateControllerConnectionViewModel(WorkingRouter router)
{
Line line = new Line();
line.X1 = router.Router.PositionX + routerPositionCorrective;
line.Y1 = router.Router.PositionY + routerPositionCorrective;
line.X2 = controllerUI.PositionX + routerPositionCorrective;
line.Y2 = controllerUI.PositionY + routerPositionCorrective;
line.Stroke = new SolidColorBrush(Colors.Blue);
line.StrokeDashArray = new DoubleCollection(new double[1] {
15
});
line.StrokeThickness = 0.5;
WorkingArea.Children.Add(line);
return(new ControllerConnectionViewModel
{
Line = line,
Router = router
});
}
//Handle router click events and do different actions depending on state
public void workingRouter_Click(object sender, RoutedEventArgs e)
{
if (programState == ProgramState.Edition)
{
WorkingRouter senderRouter = (WorkingRouter)sender;
switch (editorState)
{
case EditorState.RouterDelete:
var listOfConnections = connections.Where(x => x.RouterFrom == senderRouter || x.RouterTo == senderRouter);
//delete links from canvas
foreach (var connection in listOfConnections)
{
links.Remove(connection.Link);
WorkingArea.Children.Remove(connection.Line);
}
connections.RemoveAll(x => x.RouterFrom == senderRouter || x.RouterTo == senderRouter);
routers.Remove(senderRouter.Router);
routerViewModels.Remove(senderRouter);
WorkingArea.Children.Remove(senderRouter);
var controllerConnection = controllerConnections.FirstOrDefault(x => x.Router == senderRouter);
if (controllerConnection != null)
{
WorkingArea.Children.Remove(controllerConnection.Line);
controllerConnections.Remove(controllerConnection);
}
Controller.Instance.RemoveRouter(senderRouter.Router);
break;
case EditorState.LinkAdd:
if (!linkDrawingStarted)
{
if (senderRouter.Router.GetFirstFreeInterface() == null)
{
NoInterfacesMessageBox();
return;
}
linkDrawingStarted = true;
routerFrom = senderRouter;
}
else //confirm link
{
//check self clicking
if (senderRouter == routerFrom)
{
return;
}
//check free interfaces
if (senderRouter.Router.GetFirstFreeInterface() == null)
{
NoInterfacesMessageBox();
return;
}
//check routers already connected
if (senderRouter.Router.GetLinkToRouter(routerFrom.Router) != null)
{
MessageBox.Show("This routers are already connected");
return;
}
var tempLine = new Line();
tempLine.MouseLeftButtonDown += link_Click;
tempLine.X1 = routerFrom.Router.PositionX + routerPositionCorrective;
tempLine.Y1 = routerFrom.Router.PositionY + routerPositionCorrective;
tempLine.X2 = senderRouter.Router.PositionX + routerPositionCorrective;
tempLine.Y2 = senderRouter.Router.PositionY + routerPositionCorrective;
tempLine.Stroke = new SolidColorBrush(Colors.Black);
//Controller.Instance.Con
Controller.Instance.CreateConnections(routerFrom.Router, senderRouter.Router);
var link = routerFrom.Router.GetLinkToRouter(senderRouter.Router);
connections.Add(new ConnectionViewModel(routerFrom, senderRouter, tempLine, link));
links.Add(link);
WorkingArea.Children.Add(tempLine);
linkDrawingStarted = false;
routerFrom = null;
}
break;
}
}
}
