public static void SetDefaultStyle(this FrameworkContentElement element, ResourceDescriptor descriptor)
{
if (FrameworkElementFindResourceMethod == null)
{
throw new InvalidOperationException("Invalid framework version");
}
var resource = FrameworkElementFindResourceMethod.Invoke(null, new object[] { element, null, element.GetType() });
if (resource == DependencyProperty.UnsetValue)
{
element.Style = GetResource <Style>(descriptor);
}
}
public static void SetDefaultStyle(Type elementType, ResourceDescriptor descriptor)
{
if (Runtime.IsDesignMode)
{
return;
}
var stylePropertyMetadata = (FrameworkPropertyMetadata)FrameworkElement.StyleProperty.GetMetadata(elementType);
FrameworkElement.StyleProperty.OverrideMetadata(elementType,
new FrameworkPropertyMetadata
{
PropertyChangedCallback = stylePropertyMetadata.PropertyChangedCallback,
CoerceValueCallback = stylePropertyMetadata.CoerceValueCallback,
DefaultValue = GetResource <Style>(descriptor)
});
}
public static object GetResource(this ResourceDescriptor descriptor)
{
if (descriptor == null)
{
throw new ArgumentNullException(nameof(descriptor));
}
var element = new FrameworkElement();
element.Resources.MergedDictionaries.Add(new SharedResourceDictionary
{
Source = descriptor.ResourceDictionary
});
var result = element.FindResource(descriptor);
if (descriptor.ResourceType.IsInstanceOfType(result))
{
return(result);
}
throw new InvalidOperationException("Resource not found");
}
public static T GetResource <T>(this ResourceDescriptor descriptor)
{
return((T)GetResource(descriptor));
}