private static void OnDataContextPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
DescriptionViewer viewer = d as DescriptionViewer;
if ((viewer != null) && (((e.OldValue == null) || (e.NewValue == null)) || !ReferenceEquals(e.OldValue.GetType(), e.NewValue.GetType())))
{
viewer.LoadMetadata(false);
}
}
private static void OnDescriptionPropertyChanged(DependencyObject depObj, DependencyPropertyChangedEventArgs e)
{
DescriptionViewer viewer = depObj as DescriptionViewer;
if (viewer != null)
{
viewer.UpdateDescriptionState();
}
}
private static void OnPropertyPathPropertyChanged(DependencyObject depObj, DependencyPropertyChangedEventArgs e)
{
DescriptionViewer viewer = depObj as DescriptionViewer;
if ((viewer != null) && viewer.Initialized)
{
viewer.LoadMetadata(false);
viewer.ParseTargetValidState();
}
}
private static void OnIsValidPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
DescriptionViewer viewer = d as DescriptionViewer;
if ((viewer != null) && !viewer.AreHandlersSuspended())
{
viewer.SetValueNoCallback(IsValidProperty, e.OldValue);
object[] args = new object[] { "IsValid" };
throw new InvalidOperationException(string.Format(CultureInfo.CurrentCulture, Properties.Resources.UnderlyingPropertyIsReadOnly, args));
}
}
private static void OnTargetPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
DescriptionViewer dependencyObject = d as DescriptionViewer;
if (dependencyObject != null)
{
bool flag = false;
//TODO: review this logic
//flag = e.NewValue == FocusManager.GetFocusedElement(Window.GetWindow(dependencyObject));
flag = e.NewValue == FocusManager.GetFocusedElement(dependencyObject);
if (dependencyObject.IsFocused != flag)
{
dependencyObject.IsFocused = flag;
}
dependencyObject.LoadMetadata(false);
FrameworkElement oldValue = e.OldValue as FrameworkElement;
FrameworkElement newValue = e.NewValue as FrameworkElement;
EventHandler <ValidationErrorEventArgs> handler = new EventHandler <ValidationErrorEventArgs>(dependencyObject.Target_BindingValidationError);
RoutedEventHandler handler2 = new RoutedEventHandler(dependencyObject.Target_GotFocus);
RoutedEventHandler handler3 = new RoutedEventHandler(dependencyObject.Target_LostFocus);
if (oldValue != null)
{
//oldValue.BindingValidationError -= handler;
oldValue.RemoveHandler(Validation.ErrorEvent, handler);
oldValue.GotFocus -= handler2;
oldValue.LostFocus -= handler3;
}
if (newValue != null)
{
//newValue.BindingValidationError += handler;
newValue.AddHandler(Validation.ErrorEvent, handler);
newValue.GotFocus += handler2;
newValue.LostFocus += handler3;
}
dependencyObject.ParseTargetValidState();
}
}
