public void DragComplete(IDraggable draggable)
{
if (draggable == null)
{
return;
}
if (draggable == dragConnection)
{
var target = getDraggableAt(dragConnection.X, dragConnection.Y);
if (target is SignalSourceViewModel && draggedPort is SignalSinkViewModel)
{
connect(target as SignalSourceViewModel, draggedPort as SignalSinkViewModel);
}
else if (target is SignalSinkViewModel && draggedPort is SignalSourceViewModel)
{
connect(draggedPort as SignalSourceViewModel, target as SignalSinkViewModel);
}
dragConnection = null;
draggedPort = null;
Refresh();
}
}
public IDraggable BeginDragAt(int x, int y)
{
var draggable = getDraggableAt(x, y);
if (draggable is SignalSinkViewModel)
{
var sink = draggable as SignalSinkViewModel;
if (sink.Sink.Source != null)
{
draggedPort = getSourceModelForSink(sink);
disconnect(sink);
dragConnection = new DragConnection
{
X = sink.X,
Y = sink.Y,
Width = sink.Width,
Height = sink.Height
};
return(dragConnection);
}
}
if (draggable is SignalSinkViewModel ||
draggable is SignalSourceViewModel)
{
draggedPort = draggable;
dragConnection = new DragConnection
{
X = draggable.X,
Y = draggable.Y,
Width = draggable.Width,
Height = draggable.Height
};
return(dragConnection);
}
return(draggable);
}
public void DragComplete(IDraggable draggable)
{
if (draggable == null) return;
if (draggable == dragConnection)
{
var target = getDraggableAt(dragConnection.X, dragConnection.Y);
if (target is SignalSourceViewModel && draggedPort is SignalSinkViewModel)
{
connect(target as SignalSourceViewModel, draggedPort as SignalSinkViewModel);
}
else if (target is SignalSinkViewModel && draggedPort is SignalSourceViewModel)
{
connect(draggedPort as SignalSourceViewModel, target as SignalSinkViewModel);
}
dragConnection = null;
draggedPort = null;
Refresh();
}
}
public IDraggable BeginDragAt(int x, int y)
{
var draggable = getDraggableAt(x, y);
if (draggable is SignalSinkViewModel)
{
var sink = draggable as SignalSinkViewModel;
if (sink.Sink.Source != null)
{
draggedPort = getSourceModelForSink(sink);
disconnect(sink);
dragConnection = new DragConnection
{
X = sink.X,
Y = sink.Y,
Width = sink.Width,
Height = sink.Height
};
return dragConnection;
}
}
if (draggable is SignalSinkViewModel
|| draggable is SignalSourceViewModel)
{
draggedPort = draggable;
dragConnection = new DragConnection
{
X = draggable.X,
Y = draggable.Y,
Width = draggable.Width,
Height = draggable.Height
};
return dragConnection;
}
return draggable;
}