private void OnChildrenCollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
{
foreach (Timeline timeline in e.OldItems)
{
timeline.Parent = null;
}
foreach (Timeline timeline in e.NewItems)
{
timeline.Parent = this;
}
}
private void OnChildrenCollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
{
foreach (UIElement child in e.NewItems)
{
MoveVisualChild(child, GetZIndex(child));
}
}
public static void Raise(this NotifyCollectionChangedEventHandler handler, object sender, NotifyCollectionChangedEventArgs e)
{
if (handler != null)
{
handler(sender, e);
}
}
private void OnViewCollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
{
int oldItemsCount = e.OldItems.Count();
int newItemsCount = e.NewItems.Count();
int oldContainersCount = generatedContainers.Where(container => container.Index >= e.OldStartingIndex && container.Index < e.OldStartingIndex + oldItemsCount).Count();
if (e.Action == NotifyCollectionChangedAction.Add)
{
ShiftGeneratedContainersIndex(e.NewStartingIndex, newItemsCount);
}
if (e.Action == NotifyCollectionChangedAction.Remove)
{
RemoveRange(e.OldStartingIndex, oldItemsCount);
ShiftGeneratedContainersIndex(e.OldStartingIndex, -oldItemsCount);
}
if (e.Action == NotifyCollectionChangedAction.Move)
{
SwitchGeneratedContainersIndex(e.OldStartingIndex, e.NewStartingIndex, newItemsCount);
}
if (e.Action == NotifyCollectionChangedAction.Replace)
{
RefershRange(e.NewStartingIndex, newItemsCount);
}
if (e.Action == NotifyCollectionChangedAction.Reset)
{
RemoveRange(0, ItemsCount);
}
ItemsChanged.Raise(this, new ItemsChangedEventArgs(e.Action, e.OldStartingIndex, e.NewStartingIndex, newItemsCount, oldContainersCount));
}
private void OnTriggersCollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
{
foreach (ITrigger trigger in e.OldItems)
{
trigger.Detach(this, BaseValueSource.Local);
if (trigger is DependencyObject)
{
((DependencyObject)trigger).SetInheritanceParent(null);
}
}
foreach (ITrigger trigger in e.NewItems)
{
if (trigger is DependencyObject)
{
((DependencyObject)trigger).SetInheritanceParent(this);
}
trigger.Attach(this, BaseValueSource.Local);
}
}