public static void MoveItem(this IWorkFlowItem item, WorkFlowPoint point, double width, double height, Func <IConnector, WorkFlowPoint> getPosition)
{
foreach (var connector in item.Connectors.Where(z => z.Lines.Any()))
{
foreach (var line in connector.Lines)
{
point.X += width / 2;
point.Y += height / 2;
if (connector.Type == ConnectorType.In)
{
line.End.Point = getPosition(connector);
line.DrawPath(line.Start.Point, line.End.Point);
}
else
{
line.Start.Point = getPosition(connector);
line.DrawPath(line.Start.Point, line.End.Point);
}
}
}
}
public override void DrawPath(WorkFlowPoint source, WorkFlowPoint destination, float magic = 8)
{
var segments = new List <PathSegment>();
if (destination.X > source.X)
{
WorkFlowPoint c1 = new WorkFlowPoint(source.X + (magic - 1) * (destination.X - source.X) / magic, source.Y + (destination.Y - source.Y) / magic);
WorkFlowPoint c2 = new WorkFlowPoint(source.X + (destination.X - source.X) / magic, source.Y + (magic - 1) * (destination.Y - source.Y) / magic);
var bs = new BezierSegment();
bs.Point1 = c1.CreateWindowsFoundationPoint();
bs.Point2 = c2.CreateWindowsFoundationPoint();
bs.Point3 = destination.CreateWindowsFoundationPoint();
segments.Add(bs);
}
else
{
double distanceX = Math.Abs(source.X - destination.X) / 3;
WorkFlowPoint c1 = new WorkFlowPoint(source.X + Math.Min((magic - 1) * (source.X - destination.X) / magic, distanceX) + 20, source.Y + (magic - 1) * (destination.Y - source.Y) / magic);
WorkFlowPoint c2 = new WorkFlowPoint(destination.X - Math.Min((magic - 1) * (source.X - destination.X) / magic, distanceX) - 20, destination.Y - (magic - 1) * (destination.Y - source.Y) / magic);
var bs = new BezierSegment();
bs.Point1 = c1.CreateWindowsFoundationPoint();
bs.Point2 = c2.CreateWindowsFoundationPoint();
bs.Point3 = destination.CreateWindowsFoundationPoint();
segments.Add(bs);
}
var geo = new PathGeometry();
var pf = new PathFigure()
{
StartPoint = source.CreateWindowsFoundationPoint(), IsClosed = false
};
foreach (var s in segments)
{
pf.Segments.Add(s);
}
geo.Figures.Add(pf);
_currentUIElement.Data = geo;
Canvas.SetZIndex(_currentUIElement, -2);
}
public void Move(WorkFlowPoint point)
{
UIElement.SetPosition(new WorkFlowPoint(point.X - UIElement.ItemWidth / 2, point.Y - UIElement.ItemHeight / 2));
foreach (var connector in this.Connectors.Where(z => z.Lines.Any()))
{
foreach (var line in connector.Lines)
{
var absolutePosition = connector.UIElement.GetPosition();
absolutePosition.X += connector.UIElement.ItemWidth / 2;
absolutePosition.Y += connector.UIElement.ItemHeight / 2;
if (connector.Type == ConnectorType.In)
{
line.End.Point = absolutePosition;
line.DrawPath(line.Start.Point, line.End.Point, this.magic);
}
else
{
line.Start.Point = absolutePosition;
line.DrawPath(line.Start.Point, line.End.Point, this.magic);
}
}
}
}
public void SetPosition(WorkFlowPoint point)
{
Canvas.SetLeft(this, point.X);
Canvas.SetTop(this, point.Y);
}
public static Point CreateWindowsFoundationPoint(this WorkFlowPoint point)
{
return(new Point(point.X, point.Y));
}
public void SetPosition(WorkFlowPoint point)
{
throw new NotImplementedException();
}
public virtual void DrawPath(WorkFlowPoint source, WorkFlowPoint destination, float magic = 8)
{
throw new NotImplementedException();
}