private void AddConnection()
{
if (mFromShape != null && mToShape != null)
{
//lets connect them
con = new DefaultConnection();
con.StartPoint = new Point(0, 0);
con.EndPoint = new Point(300, 150);
con.Stroke = Brushes.DimGray;
con.Width = 100;
con.Height = 100;
con.Fill = Brushes.White;
con.StrokeThickness = 1;
Canvas.Children.Add(con);
mFromShape.BindConnection(con, Core.Connection.StartProperty, Core.ConnectorLocation.Bottom);
mToShape.BindConnection(con, Core.Connection.EndProperty, Core.ConnectorLocation.Top);
con.InvalidateVisual();
Canvas.InvalidateVisual();//really necessary this one??
}
}
/// <summary>
/// Binds the given connection to the shape at the specified connector location.
/// </summary>
/// <param name="con">The connection.</param>
/// <param name="property">The property of the connection to bind to.</param>
/// <param name="location">The location (Right,
/// Left, Top or Bottom).</param>
public void BindConnection(Connection con, DependencyProperty property, ConnectorLocation location)
{
//A multibinding is like a many-to-one function which returns a value for a dependency property
//in terms of multiple values.
//The WidthConverter is the class that does the actual conversion of data to one Point-value.
//MultiBinding mb = new MultiBinding();
Binding bb = new Binding("Who");
bb.Source = this;
bb.Converter = new ConnectorConverter2();
bb.NotifyOnSourceUpdated = true;
bb.Mode = BindingMode.OneWay;
bb.UpdateSourceTrigger = UpdateSourceTrigger.PropertyChanged;
//mb.Converter = new ConnectorConverter();
//this is nasty hack, don't like it but the connection will not be visible if the
//converter does not return because width and/or height is NaN. Argh.
//if (double.IsNaN(this.Width))
// this.Width = this.DesiredSize.Width;
//if (double.IsNaN(this.Height))
// this.Height = this.DesiredSize.Height;
//mb.Mode = BindingMode.TwoWay;
//mb.NotifyOnSourceUpdated = true;
//Because of the multiple locations we have to switch between the various possibilities.
switch (location)
{
case ConnectorLocation.Top:
bb.ConverterParameter = "Top";
break;
case ConnectorLocation.Right:
bb.ConverterParameter = "Right";
break;
case ConnectorLocation.Bottom:
bb.ConverterParameter = "Bottom";
break;
case ConnectorLocation.Left:
bb.ConverterParameter = "Left";
break;
default:
break;
}
//Binding bx = new Binding("(Canvas.Left)");
//bx.Source = this;
//bx.Mode = BindingMode.TwoWay;
//bx.NotifyOnSourceUpdated = true;
//mb.Bindings.Add(bx);
//Binding by = new Binding("(Canvas.Top)");
//by.Source = this;
////bwh.Mode = BindingMode.TwoWay;
//mb.Bindings.Add(by);
//Binding bw = new Binding("Width");
//bw.Source = this;
////bww.Mode = BindingMode.TwoWay;
//mb.Bindings.Add(bw);
//Binding bh = new Binding("Height");
//bh.Source = this;
////bww.Mode = BindingMode.TwoWay;
//mb.Bindings.Add(bh);
con.SetBinding(property, bb);
this.mConnections.Add(con);
}
private void AddConnection()
{
if (mFromShape != null && mToShape != null)
{
//lets connect them
con = new DefaultConnection();
con.StartPoint = new Point(0, 0);
con.EndPoint = new Point(300, 150);
con.Stroke = Brushes.DimGray;
con.Width = 100;
con.Height = 100;
con.Fill = Brushes.White;
con.StrokeThickness = 1;
Canvas.Children.Add(con);
mFromShape.BindConnection(con, Core.Connection.StartProperty, Core.ConnectorLocation.Bottom);
mToShape.BindConnection(con, Core.Connection.EndProperty, Core.ConnectorLocation.Top);
con.InvalidateVisual();
Canvas.InvalidateVisual();//really necessary this one??
}
}
