public override Visual CreateVisual(IRenderContext context)
{
collapsedIcon.SetBounds(new RectD(PointD.Origin, Bounds.GetSize()));
expandedIcon.SetBounds(new RectD(PointD.Origin, Bounds.GetSize()));
var button = CreateButton(context, node, collapsedIcon.CreateVisual(context), expandedIcon.CreateVisual(context));
button.SetCanvasArrangeRect(Bounds.ToRectD());
return(button);
}
/// <summary>
/// This method is called by the framework to create a <see cref="IVisual"/>
/// that will be included into the <see cref="IRenderContext"/>.
/// </summary>
/// <param name="context">The context that describes where the visual will be used.</param>
/// <returns>
/// The arrow visual to include in the canvas object visual tree./>.
/// </returns>
/// <seealso cref="UpdateVisual"/>
IVisual IVisualCreator.CreateVisual(IRenderContext context)
{
icon.SetBounds(new RectD(-Bounds.Width, -Bounds.Height / 2, Bounds.Width, Bounds.Height));
var visualGroup = new VisualGroup();
visualGroup.Add(icon.CreateVisual(context));
// Rotate arrow and move it to correct position
visualGroup.Transform = new Matrix((float)direction.X, (float)direction.Y, (float)-direction.Y, (float)direction.X, (float)anchor.X, (float)anchor.Y);
return(visualGroup);
}
public override IVisual CreateVisual(IRenderContext context)
{
collapsedIcon.SetBounds(new RectD(Bounds.GetTopLeft(), Bounds.GetSize()));
expandedIcon.SetBounds(new RectD(Bounds.GetTopLeft(), Bounds.GetSize()));
bool expanded = true;
CanvasControl canvas = context != null ? context.CanvasControl : null;
if (canvas != null)
{
IGraph graph = canvas.Lookup(typeof(IGraph)) as IGraph;
if (graph != null)
{
IFoldingView foldedGraph = graph.Lookup <IFoldingView>();
if (foldedGraph != null && foldedGraph.Graph.Contains(node))
{
expanded = foldedGraph.IsExpanded(node);
}
}
}
return(expanded ? expandedIcon.CreateVisual(context) : collapsedIcon.CreateVisual(context));
}
public virtual void SetBounds(IRectangle bounds)
{
dummyNode.Layout = bounds;
innerIcon.SetBounds(placementParameter.Model.GetGeometry(dummyLabel, placementParameter).GetBounds());
}