private void DetachVisibilityHandler(WindowCommandsItem container)
{
if (container != null)
{
container.VisibilityPropertyChangeNotifier = null;
}
}
private void AttachVisibilityHandler(WindowCommandsItem container, UIElement item)
{
if (container != null)
{
if (null == item)
{
// if item is not a UIElement then maybe the ItemsSource binds to a collection of objects
// and an ItemTemplate is set, so let's try to solve this
container.ApplyTemplate();
var content = container.ContentTemplate?.LoadContent() as UIElement;
if (null == content)
{
// no UIElement was found, so don't show this container
container.Visibility = Visibility.Collapsed;
}
return;
}
container.Visibility = item.Visibility;
var isVisibilityNotifier = new PropertyChangeNotifier(item, VisibilityProperty);
isVisibilityNotifier.ValueChanged += this.VisibilityPropertyChanged;
container.VisibilityPropertyChangeNotifier = isVisibilityNotifier;
}
}
private WindowCommandsItem GetWindowCommandsItem(object item)
{
WindowCommandsItem windowCommandsItem = item as WindowCommandsItem;
if (windowCommandsItem != null)
{
return(windowCommandsItem);
}
return((WindowCommandsItem)base.ItemContainerGenerator.ContainerFromItem(item));
}
private void VisibilityPropertyChanged(object sender, EventArgs e)
{
UIElement uIElement = sender as UIElement;
if (uIElement != null)
{
WindowCommandsItem windowCommandsItem = this.GetWindowCommandsItem(uIElement);
if (windowCommandsItem != null)
{
windowCommandsItem.Visibility = uIElement.Visibility;
this.ResetSeparators(true);
}
}
}
private void AttachVisibilityHandler(WindowCommandsItem container, UIElement item)
{
if (container != null)
{
if (item == null)
{
container.Visibility = System.Windows.Visibility.Collapsed;
return;
}
container.Visibility = item.Visibility;
PropertyChangeNotifier propertyChangeNotifier = new PropertyChangeNotifier(item, UIElement.VisibilityProperty);
propertyChangeNotifier.ValueChanged += new EventHandler(this.VisibilityPropertyChanged);
container.VisibilityPropertyChangeNotifier = propertyChangeNotifier;
}
}
private void AttachVisibilityHandler(WindowCommandsItem container, UIElement item)
{
if (container != null)
{
// hide the container, if there is no UIElement
if (null == item)
{
container.Visibility = Visibility.Collapsed;
return;
}
container.Visibility = item.Visibility;
var isVisibilityNotifier = new PropertyChangeNotifier(item, UIElement.VisibilityProperty);
isVisibilityNotifier.ValueChanged += VisibilityPropertyChanged;
container.VisibilityPropertyChangeNotifier = isVisibilityNotifier;
}
}
private void ResetSeparators(bool reset = true)
{
if (base.Items.Count == 0)
{
return;
}
List <WindowCommandsItem> list = this.GetWindowCommandsItems().ToList <WindowCommandsItem>();
if (reset)
{
foreach (WindowCommandsItem showSeparators in list)
{
showSeparators.IsSeparatorVisible = this.ShowSeparators;
}
}
WindowCommandsItem windowCommandsItem = list.LastOrDefault <WindowCommandsItem>((WindowCommandsItem i) => i.IsVisible);
if (windowCommandsItem != null)
{
windowCommandsItem.IsSeparatorVisible = (!this.ShowSeparators ? false : this.ShowLastSeparator);
}
}
private void DetachVisibilityHandler(WindowCommandsItem container)
{
if (container != null)
{
container.VisibilityPropertyChangeNotifier = null;
}
}
private void AttachVisibilityHandler(WindowCommandsItem container, UIElement item)
{
if (container != null)
{
// hide the container, if there is no UIElement
if (null == item)
{
container.Visibility = Visibility.Collapsed;
return;
}
container.Visibility = item.Visibility;
var isVisibilityNotifier = new PropertyChangeNotifier(item, UIElement.VisibilityProperty);
isVisibilityNotifier.ValueChanged += VisibilityPropertyChanged;
container.VisibilityPropertyChangeNotifier = isVisibilityNotifier;
}
}
private void AttachVisibilityHandler(WindowCommandsItem container, UIElement item)
{
if (container != null)
{
if (null == item)
{
// if item is not a UIElement then maybe the ItemsSource binds to a collection of objects
// and an ItemTemplate is set, so let's try to solve this
container.ApplyTemplate();
var content = container.ContentTemplate?.LoadContent() as UIElement;
if (null == content)
{
// no UIElement was found, so don't show this container
container.Visibility = Visibility.Collapsed;
}
return;
}
container.Visibility = item.Visibility;
var isVisibilityNotifier = new PropertyChangeNotifier(item, UIElement.VisibilityProperty);
isVisibilityNotifier.ValueChanged += VisibilityPropertyChanged;
container.VisibilityPropertyChangeNotifier = isVisibilityNotifier;
}
}
