public Connection(ItemNode _from, ItemNode _to, Line _line, Canvas canvas)
{
from = _from;
to = _to;
line = _line;
line.Stroke = Brushes.Black;
Canvas.SetZIndex(line, -1);
Point p = from.TranslatePoint(new Point(0, 0), canvas);
line.X1 = p.X + 25;
line.Y1 = p.Y + 25;
Point pp = to.TranslatePoint(new Point(0, 0), canvas);
line.X2 = pp.X + 25;
line.Y2 = pp.Y + 25;
canvas.Children.Add(line);
}
private void canvas_MouseMove(object sender, MouseEventArgs e)
{
if (canvas.IsMouseCaptured)
{
Point t = e.GetPosition(canvas);
Vector delta = (e.GetPosition(canvas) - lastpos) * zoom;
translateTransform.X += delta.X;
translateTransform.Y += delta.Y;
lastpos = e.GetPosition(canvas);
e.Handled = true;
}
else if (e.MouseDevice.LeftButton == MouseButtonState.Pressed && drawLine)
{
Point p = ItemBeingConnected.TranslatePoint(new Point(0, 0), canvas);
ConnectionLine.X1 = p.X + 25;
ConnectionLine.Y1 = p.Y + 25;
Point mousePos = e.GetPosition(canvas);
ConnectionLine.X2 = mousePos.X;
ConnectionLine.Y2 = mousePos.Y;
}
}
