internal void PositionAtCenter(uint nodeId)
{
IGraphVisualHost visualHost = this.graphController.GetVisualHost();
if (visualHost != null)
{
DrawingVisual visual = visualHost.GetDrawingVisualForNode(nodeId);
TranslateTransform transform = visual.Transform as TranslateTransform;
transform.X = (int)(this.nodePosition.X - this.Width / 2);
transform.Y = (int)(this.nodePosition.Y - this.Height / 2);
this.nodePosition.X = transform.X;
this.nodePosition.Y = transform.Y;
if (this.errorBubble != null)
{
DrawingVisual errorVisual = visualHost.GetDrawingVisualForBubble(this.errorBubble.BubbleId);
TranslateTransform errorTransform = errorVisual.Transform as TranslateTransform;
errorTransform.X = (int)(this.nodePosition.X);
errorTransform.Y = (int)(this.nodePosition.Y);
}
if (this.previewBubble != null)
{
DrawingVisual previewVisual = visualHost.GetDrawingVisualForBubble(this.previewBubble.BubbleId);
TranslateTransform previewTransform = previewVisual.Transform as TranslateTransform;
previewTransform.X = (int)(this.nodePosition.X);
previewTransform.Y = (int)(this.nodePosition.Y);
}
}
}
internal void Compose()
{
if (false == this.Dirty)
{
return;
}
if (IsRunningHeadless)
{
return;
}
GraphController controller = graphController as GraphController;
IGraphVisualHost visualHost = controller.GetVisualHost();
DrawingVisual visual = visualHost.GetDrawingVisualForNode(this.NodeId);
//TextOptions.SetTextFormattingMode(visual, TextFormattingMode.Display);
//TextOptions.SetTextRenderingMode(visual, TextRenderingMode.Aliased);
DrawingContext drawingContext = visual.RenderOpen();
CultureInfo cultureInfo = new CultureInfo("en-us"); //@TODO(Ben) Move this into a single place and reuse it
//RenderOptions.SetEdgeMode(visual, EdgeMode.Aliased);
if (!dotsFlag.HasFlag(MenuDots.DotsFlag))
{
this.CheckDots();
}
this.ComposeCore(drawingContext, visual);
drawingContext.Close();
if (errorBubble != null)
{
errorBubble.Compose();
}
TranslateTransform nodeTransform = visual.Transform as TranslateTransform;
nodeTransform.X = this.nodePosition.X;
nodeTransform.Y = this.nodePosition.Y;
this.Dirty = false;
}