/// <summary>
/// Select nearby conenctions
/// </summary>
/// <param name="e"></param>
private bool SelectNearLine(MouseButtonEventArgs e)
{
var paths = VisualHelper.FindVisualChildren <Path>(this);
var mouseNeighbourhood = Helper.CreateCenteredRect(e.GetPosition(CanvasItemContainer), new Size(10, 10));
foreach (Path path in paths)
{
if (path.Name == "ConnectionPath")
{
ElementsConnectionViewModel viewModel = path.DataContext as ElementsConnectionViewModel;
if (viewModel != null)
{
List <Rect> rects = Helper.GetPathRects(viewModel);
foreach (Rect rect in rects)
{
if (mouseNeighbourhood.IntersectsWith(rect))
{
if (e.ChangedButton == MouseButton.Left)
{
viewModel.Select();
}
else if (e.ChangedButton == MouseButton.Right)
{
viewModel.IsContextMenuOpened = true;
}
return(true);
}
}
}
}
}
return(false);
}
public Hook(Point start, Point end, ElementsConnectionViewModel parent)
{
double x = (start.X + end.X) / 2;
double y = (start.Y + end.Y) / 2;
_parent = parent;
OriginalStartPoint = start;
OriginalEndPoint = end;
StartPoint = start;
EndPoint = end;
HookPoint = new Point(x, y);
Orientation = GetOrientation(start, end);
}
public static List <Rect> GetPathRects(ElementsConnectionViewModel connection)
{
var rects = new List <Rect>();
List <Point> points = new List <Point>()
{
connection.StartPoint
};
points.AddRange(connection.Points);
points.Add(connection.EndPoint);
for (int i = 1; i < points.Count; i++)
{
var startPoint = points[i - 1];
var endPoint = points[i];
Rect lineRect = new Rect(startPoint, endPoint);
rects.Add(lineRect);
}
return(rects);
}
public static void AddModelConnection(ElementsConnectionViewModel connection)
{
try
{
PoolElementViewModel startElementViewModel = connection.From as PoolElementViewModel;
PoolViewModel poolElementViewModel = startElementViewModel.Pool;
PoolElement pool = null;
if (poolElementViewModel != null)
{
pool = startElementViewModel.Pool.BaseElement as PoolElement;
}
else
{
pool = startElementViewModel.Document.Document.MainPoolElement;
}
pool.Connections.Add(connection.Model);
}
catch (NullReferenceException exception)
{
throw new ArgumentException("Error while creating connection. Model not found", exception);
}
}
