private static void OnDataContextDisposed(DynamicItemsSelectorView selectorView, object sender, EventArgs args)
{
selectorView.OnDataContextDisposed(sender);
}
private static void DropDownOpenChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
if ((bool)e.NewValue)
{
if (selectorView == null)
{
selectorView = new DynamicItemsSelectorView { Name = Guid.NewGuid().ToString() };
selectorView.SetBinding(MinWidthProperty, new Binding("MinWidth") { ElementName = "popup" });
selectorView.MaxHeight = 350; // May be we should find a better way to define max height
}
var contentControl = (FieldSingleCrossRef)d;
if (selectorView.Parent != null && selectorView.Parent != contentControl.PopupContent)
{
var control = selectorView.Parent as ContentControl;
if (control != null)
{
control.Content = null;
}
}
if (contentControl.PopupContent == null) return;
contentControl.PopupContent.Content = selectorView;
selectorView.Owner = contentControl;
selectorView.Width = contentControl.ActualWidth;
selectorView.InitPager();
var updateBinding = false;
if (selectorView.Parent != null && selectorView.Parent != contentControl.PopupContent)
{
var container = selectorView.Parent as System.Windows.Controls.Primitives.Popup;
if (container != null)
{
container.Child = new ContentPresenter();
}
updateBinding = true;
}
selectorView.DataContext = contentControl.DataContext;
if (updateBinding)
{
var bindingExpression = selectorView.GetBindingExpression(WidthProperty);
selectorView.SetBinding(WidthProperty, bindingExpression.ParentBinding);
bindingExpression = selectorView.GetBindingExpression(MaxWidthProperty);
selectorView.SetBinding(MaxWidthProperty, bindingExpression.ParentBinding);
bindingExpression = selectorView.GetBindingExpression(MinWidthProperty);
selectorView.SetBinding(MinWidthProperty, bindingExpression.ParentBinding);
}
selectorView.ReBindPager();
}
}