private static void UpdateIsShowing(DependencyObject element)
{
if (element == null)
{
return;
}
if (!Visible.IsVisible(element) ||
!Loaded.IsLoaded(element))
{
element.SetIsShowing(false);
return;
}
var template = GetTemplate(element);
var isVisible = GetIsVisible(element);
if (template != null && isVisible != null)
{
element.SetIsShowing(isVisible.Value);
return;
}
element.SetIsShowing(template != null);
}
private static void UpdateIsShowing(DependencyObject element)
{
if (element == null)
{
return;
}
if (!Visible.IsVisible(element) ||
!Loaded.IsLoaded(element))
{
element.SetIsShowing(false);
return;
}
var isVisible = GetIsVisible(element);
if (isVisible != null)
{
element.SetIsShowing(isVisible.Value);
return;
}
var content = GetContent(element);
element.SetIsShowing(content != null);
}
private static void OnWatermarkTextChanged(DependencyObject o, DependencyPropertyChangedEventArgs e)
{
var textBox = o as TextBox;
if (textBox == null)
{
return;
}
Visible.Track(textBox);
UpdateIsShowing(textBox);
}
private static void OnTemplateChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
Visible.Track(d as UIElement);
UpdateIsShowing(d);
}
