void InputVisualizationView_DataContextChanged(FrameworkElement sender, DataContextChangedEventArgs args)
{
if (_model != null)
{
_model.PropertyChanged -= _model_PropertyChanged;
foreach (var vis in _model.OperationViewModels)
{
vis.PropertyChanged -= VisModel_PropertyChanged;
}
}
if (args.NewValue != null)
{
_model = (BrushViewModel)args.NewValue;
_model.PropertyChanged += _model_PropertyChanged;
foreach (var vis in _model.OperationViewModels)
{
vis.PropertyChanged += VisModel_PropertyChanged;
}
updateRendering();
}
}
private void operationViewModelUpdated(OperationViewModel current)
{
if (current.OperationModel is IBrusherOperationModel)
{
// update last moved time
_lastMoved[current] = DateTime.Now;
var allBrushableOperationViewModels = MainViewController.Instance.OperationViewModels.Where(c => c.OperationModel is IBrushableOperationModel);
// check if we need to create new inputvisualization views
foreach (var other in allBrushableOperationViewModels)
{
var diff = current.Position - other.Position;
var currentRect = RectHelper.FromLocationAndSize(current.Position, (Windows.Foundation.Size)current.Size);
var otherRect = RectHelper.FromLocationAndSize(other.Position, (Windows.Foundation.Size)other.Size);
var areLinked = FilterLinkViewController.Instance.AreOperationViewModelsLinked(current, other);
var isBrushAllowed = this.isBrushAllowed(current, other);
if (!areLinked &&
(!_lastMoved.ContainsKey(other) || (DateTime.Now - _lastMoved[other] > TimeSpan.FromSeconds(0.5))))
{
if ((boundHorizontalDistance(current.Bounds, other.Bounds) > 100))
{
if (BrushViews.Keys.Any(sov => (sov.To == current) && (sov.From == other)))
{
var oldBrushView = BrushViews.Keys.First(sov => (sov.To == current) && (sov.From == other));
oldBrushView.BrushableOperationViewModelState = BrushableOperationViewModelState.Closing;
var view = BrushViews[oldBrushView];
BrushViews.Remove(oldBrushView);
var dispatcher = CoreApplication.MainView.CoreWindow.Dispatcher;
dispatcher.RunAsync(CoreDispatcherPriority.Normal, async() =>
{
await Task.Delay(TimeSpan.FromMilliseconds(1000));
MainViewController.Instance.InkableScene.Children.Remove(view);
});
}
}
if (RectYOverlap(currentRect, otherRect) && // (Math.Abs(diff.Y) < 300) &&
(boundHorizontalDistance(current.Bounds, other.Bounds) < 100) && isBrushAllowed)
{
if (!BrushViews.Keys.Any(sov => (sov.To == current) && (sov.From == other)) &&
!BrushViews.Keys.Any(sov => (sov.From == current) && (sov.To == other)))
{
var otherview = other;
if (current is HistogramOperationViewModel && otherview is HistogramOperationViewModel &&
(current as HistogramOperationViewModel).HistogramOperationModel.FilterModels.Count == 0 &&
(other as HistogramOperationViewModel).HistogramOperationModel.FilterModels.Count != 0)
{
var tmp = current;
current = otherview;
otherview = tmp;
}
var inputCohorts = BrushViews.Keys.Where(icv => icv.To == otherview).ToList();
var allColorIndex = Enumerable.Range(0, BrushViewModel.ColorScheme1.Count);
allColorIndex = allColorIndex.Except(inputCohorts.Select(c => c.ColorIndex));
var colorIndex = inputCohorts.Count % BrushViewModel.ColorScheme1.Count;
if (allColorIndex.Any())
{
colorIndex = allColorIndex.First();
}
var brushViewModel = new BrushViewModel();
brushViewModel.ColorIndex = colorIndex;
brushViewModel.Color = BrushViewModel.ColorScheme1[colorIndex];
brushViewModel.From = current;
brushViewModel.To = otherview;
brushViewModel.Position =
(brushViewModel.OperationViewModels.Aggregate(new Vec(), (a, b) => a + b.Bounds.Center.GetVec()) / 2.0 - brushViewModel.Size / 2.0).GetWindowsPoint();
brushViewModel.BrushableOperationViewModelState = BrushableOperationViewModelState.Opening;
brushViewModel.DwellStartPosition = current.Position;
brushViewModel.TicksSinceDwellStart = DateTime.Now.Ticks;
var view = new BrushView();
view.DataContext = brushViewModel;
MainViewController.Instance.InkableScene.Children.Add(view);
BrushViews.Add(brushViewModel, view);
}
}
}
}
}
}
