public void BringToView(IEnumerable <INode> nodes)
{
var x = nodes.Min(n => n.Location.X - (n.Width / 4));
var y = nodes.Min(n => n.Location.Y - (n.Height * 4));
Offset = new GraphPoint(x, y);
Zoom = 0.9;
}
/// <summary>
/// Updates the visuals.
/// </summary>
public void UpdateVisuals()
{
if (ParentGraph == null)
{
return;
}
if (StartPort != null)
{
var startX = StartPort.Location.X;
var startY = StartPort.Location.Y;
double endX;
double endY;
if (EndPort == null)
{
endX = ParentGraph.MousePosition.X;
endY = ParentGraph.MousePosition.Y;
}
else
{
endX = EndPort.Location.X;
endY = EndPort.Location.Y;
}
double bend = 0;
if (startX > endX)
{
bend = Math.Abs(startX - endX);
}
double startBezX;
double startBezY;
double endBezX;
double endBezY;
if (StartPort.PortType == PortType.Out)
{
startBezX = endX + bend - (int)((endX - startX) / 2);
startBezY = startY;
endBezX = startX - bend + (int)((endX - startX) / 2);
endBezY = endY;
}
else
{
startBezX = startX - bend + (int)((startX - endX) / 2);
startBezY = startY;
endBezX = endX + bend - (int)((startX - endX) / 2);
endBezY = endY;
}
StartPoint = new GraphPoint(startX, startY);
Point1 = new GraphPoint(startBezX, startBezY);
Point2 = new GraphPoint(endBezX, endBezY);
Point3 = new GraphPoint(endX, endY);
}
}
/// <summary>
/// Initializes a new instance of the <see cref="Link"/> class.
/// </summary>
public Link()
{
_guid = Guid.NewGuid();
_zIndex = Constants.LINK_ZINDEX;
_overlayZIndex = Constants.LINK_OVERLAY_ZINDEX;
Color = Constants.COLOR_LINK;
_location = new GraphPoint();
_lastLocation = new GraphPoint();
}
/// <summary>
/// Initializes a new instance of the <see cref="Node"/> class.
/// </summary>
public Node()
{
_ports = new PortCollection(this);
_zIndex = Constants.NODE_ZINDEX;
_location = new GraphPoint();
_lastLocation = new GraphPoint();
_ports.CollectionChanged += _ports_CollectionChanged;
_ports.PortChanged += _ports_PortChanged;
_ports.PortConnected += _ports_PortConnected;
_ports.PortDisconnected += _ports_PortDisconnected;
}
/// <summary>
/// Initializes a new instance of the <see cref="Port"/> class.
/// </summary>
public Port()
{
_connectedPorts = new ObservableCollection <IPort>();
_connectedPorts.CollectionChanged += _connectedPorts_CollectionChanged;
_location = new GraphPoint();
}
/// <summary>
/// Initializes a new instance of the <see cref="Comment"/> class.
/// </summary>
public Comment()
{
LastLocation = new GraphPoint();
}