public override NodeControl RenderChildren(RenderingContextInfo info)
{
if (_nodeControl == null)
{
double centreX = GetSurfaceCentreX(info);
double centreY = GetSurfaceCentreY(info);
if (SkinName != "Focal")
{
NodeLocationOrganiser locationOrganiser = new NodeLocationOrganiser();
locationOrganiser.CentreX = centreX;
locationOrganiser.CentreY = centreY;
locationOrganiser.NumberOfNodes = NodeCount;
locationOrganiser.Radius = GetRadius(info);
Location = locationOrganiser.GetLocation(this);
}
else
{
double focalXLocation = centreX - (Skin.NodeSkinWidth / 2); // Centre the focal node image along the x-axis.
double focalYLocation = centreY - (Skin.NodeSkinHeight / 2); // Centre the focal node image along the y-axis.
Location = new Point(focalXLocation, focalYLocation);
}
_nodeControl = Skin.RenderSkinElements(Node, SkinName, SkinProperties);
}
return _nodeControl;
}
private double GetRadius(RenderingContextInfo info)
{
double radius = 0;
if (info.SurfaceWidth <= info.SurfaceHeight)
{
radius = info.SurfaceWidth / 2;
}
else
{
radius = info.SurfaceHeight / 2;
}
if (Skin.NodeSkinWidth >= Skin.NodeSkinHeight)
{
radius = radius - (Skin.NodeSkinWidth / 2);
}
else
{
radius = radius - (Skin.NodeSkinHeight / 2);
}
return radius;
}
private void ViewManager_NodesUpdated(object sender, EventArgs e)
{
MapDepthViewManager viewManager = sender as MapDepthViewManager;
if (viewManager == null)
{
return;
}
RenderingContextInfo contextInfo = new RenderingContextInfo();
contextInfo.SurfaceHeight = this.Height;
contextInfo.SurfaceWidth = this.Width;
contextInfo.SurfaceTopLeftX = 0;
contextInfo.SurfaceTopLeftY = 0;
viewManager.UpdateSurface(this, contextInfo);
Command getPlayingStateCommand = new Command();
getPlayingStateCommand.Name = "GetPlayingState";
getPlayingStateCommand.Params = new List<Param>();
getPlayingStateCommand.Params.Add(new Param() { Name = "CallbackId", Value = Navigator.FocalNodeId.ToString() });
//Utilities.SendMessage(MessageSender, getPlayingStateCommand);
}
public abstract NodeControl RenderChildren(RenderingContextInfo context);
private double GetSurfaceCentreY(RenderingContextInfo info)
{
return (info.SurfaceHeight / 2);
}
private double GetSurfaceCentreX(RenderingContextInfo info)
{
return (info.SurfaceWidth / 2);
}