public static void SetTask(UIElement adorner, Task value)
{
if (adorner == null)
{
throw new ArgumentNullException("adorner");
}
AdornerProperties.SetTask((DependencyObject)adorner, value);
}
public static Task GetTask(UIElement adorner)
{
if (adorner == null)
{
throw new ArgumentNullException("adorner");
}
return(AdornerProperties.GetTask((DependencyObject)adorner));
}
private static ModelItem GetImpliedModel(DependencyObject adorner, ModelItem model)
{
ModelItem modelItem = (ModelItem)null;
if (adorner != null)
{
modelItem = AdornerProperties.GetModel(adorner);
}
if (modelItem == null)
{
modelItem = model;
}
return(modelItem);
}
public static ViewItem GetView(DependencyObject adorner)
{
if (adorner == null)
{
throw new ArgumentNullException("adorner");
}
ModelItem model = AdornerProperties.GetModel(adorner);
if (model != null)
{
return(model.View);
}
return((ViewItem)null);
}
private static void OnOrderChanged(DependencyObject sender, DependencyPropertyChangedEventArgs args)
{
UIElement adorner = sender as UIElement;
if (adorner != null)
{
AdornerLayer adornerLayer = VisualTreeHelper.GetParent((DependencyObject)adorner) as AdornerLayer;
if (adornerLayer != null)
{
adornerLayer.OnOrderChanged(adorner);
}
}
AdornerProperties.GetLayout(sender).AdornerPropertyChanged(sender, args);
}
internal void InvokeActivate(EditingContext context, ModelItem item)
{
this._context = context;
if (this._firstActivate && this._canClearAdorners && this.Adorners.Count > 0)
{
this.Adorners.Clear();
}
if (!this._firstActivate)
{
this._firstActivate = true;
this._canClearAdorners = this.Adorners.Count == 0;
}
this.Activate(item);
foreach (UIElement uiElement in this.Adorners)
{
if (uiElement.ReadLocalValue(AdornerProperties.ModelProperty) == DependencyProperty.UnsetValue)
{
AdornerProperties.SetModel((DependencyObject)uiElement, item);
}
}
}
private IEnumerable <Task> GetTaskRoute(Task sourceTask, DependencyObject sourceAdorner, DependencyObject targetAdorner)
{
if (this._focusedTask != null)
{
yield return(this._focusedTask);
}
else
{
Task task = sourceTask;
if (task != null)
{
yield return(task);
}
if (sourceAdorner != null)
{
task = AdornerProperties.GetTask(sourceAdorner);
if (task != null && task != sourceTask)
{
yield return(task);
}
}
if (targetAdorner != null && targetAdorner != sourceAdorner)
{
Task previousTask = task;
task = AdornerProperties.GetTask(targetAdorner);
if (task != null && task != previousTask && task != sourceTask)
{
yield return(task);
}
}
if (this._tasks != null)
{
foreach (Task task1 in this._tasks)
{
yield return(task1);
}
}
}
}
private static void OnPropertyChanged(DependencyObject sender, DependencyPropertyChangedEventArgs args)
{
if (args.Property == AdornerProperties.LayoutProperty)
{
((AdornerLayout)args.OldValue).AdornerPropertyChanged(sender, args);
((AdornerLayout)args.NewValue).AdornerPropertyChanged(sender, args);
UIElement adorner = sender as UIElement;
if (adorner == null)
{
return;
}
AdornerLayer adornerLayer = VisualTreeHelper.GetParent((DependencyObject)adorner) as AdornerLayer;
if (adornerLayer == null)
{
return;
}
adornerLayer.OnLayoutChanged(adorner);
}
else
{
AdornerProperties.GetLayout(sender).AdornerPropertyChanged(sender, args);
}
}
private static void OnModelChanged(DependencyObject sender, DependencyPropertyChangedEventArgs args)
{
AdornerProperties.GetLayout(sender).AdornerPropertyChanged(sender, args);
}
protected override Size ArrangeOverride(Size finalSize)
{
return(AdornerProperties.GetLayout((DependencyObject)this).ArrangeChildren((FrameworkElement)this, this.InternalChildren, finalSize));
}
