private void OnIterationChanged(object sender, IterationChangedEventArgs args)
{
LoopIteration iteration = args.PreviousIteration;
if (iteration != null)
{
HashSet <int> removes = new HashSet <int>();
foreach (Operation op in iteration.Operations)
{
if (removes.Contains(op.Id))
{
continue;
}
ViewCache cache = this.views[op.GetType()];
InstantView opAdorner = cache.GetView(op.Id);
if (opAdorner != null)
{
this.layer.RemoveAdornment(opAdorner);
}
}
}
AdornCode(this.view.TextSnapshot, GetCancelSource(current: true).Token);
//ITextSnapshot s = this.view.TextSnapshot;
//var map = this.context.LineMap ?? await LineMap.ConstructAsync (this.view.TextSnapshot, this.context.Span.GetText (s), GetCancelSource (current: true).Token);
//AdornOperationContainer (args.NewIteration, s, map, GetCancelSource (current: true).Token);
}
private void AdornOperationContainer(OperationContainer container, ITextSnapshot snapshot, LineMap lineMap, CancellationToken cancelToken)
{
foreach (Operation operation in container.Operations)
{
SnapshotSpan span;
if (!lineMap.TryGetSpan(this.view.TextSnapshot, operation.Id, out span))
{
continue;
}
Geometry g = this.view.TextViewLines.GetMarkerGeometry(span);
if (g == null)
{
continue;
}
Type opType = operation.GetType();
OperationVisuals vs;
if (!Mapping.TryGetValue(opType, out vs))
{
continue;
}
ViewCache viewCache;
if (!views.TryGetValue(opType, out viewCache))
{
views[opType] = viewCache = new ViewCache(vs);
}
InstantView adorner;
bool preexisted = viewCache.TryGetView(out adorner);
if (!preexisted)
{
adorner.FontSize = FontSize - 1;
adorner.FontFamily = FontFamily;
adorner.BorderBrush = BorderBrush;
adorner.Foreground = Foreground;
}
adorner.Tag = operation.Id;
OperationViewModel model = adorner.DataContext as OperationViewModel;
if (model == null)
{
adorner.DataContext = model = vs.CreateViewModel();
}
model.Operation = operation;
if (operation is Loop)
{
var loopModel = (LoopViewModel)model;
LoopIteration[] iterations = loopModel.Iterations;
if (!preexisted || loopModel.Iteration > iterations.Length)
{
loopModel.Iteration = iterations.Length;
}
if (!preexisted)
{
loopModel.IterationChanged += OnIterationChanged;
}
if (iterations.Length > 0)
{
AdornOperationContainer(iterations[loopModel.Iteration - 1], snapshot, lineMap, cancelToken);
}
}
Canvas.SetLeft(adorner, g.Bounds.Right + 10);
Canvas.SetTop(adorner, g.Bounds.Top + 1);
adorner.Height = g.Bounds.Height - 2;
adorner.MaxHeight = g.Bounds.Height - 2;
if (!preexisted)
{
this.layer.AddAdornment(AdornmentPositioningBehavior.TextRelative, span, null, adorner, OperationAdornerRemoved);
}
}
}