/// <summary>
/// When implemented in a derived class, returns an object that is provided as the value of the target property for this markup extension.
/// </summary>
/// <param name="serviceProvider">A service provider helper that can provide services for the markup extension.</param>
/// <returns>
/// The object value to set on the property where the extension is applied.
/// </returns>
public override object ProvideValue(IServiceProvider serviceProvider)
{
object property;
FrameworkElement element;
if (LocalizationBase.TryGetTarget(serviceProvider, out element, out property))
{
LocalizedString context = Localizer.GetString(this.Key);
if (property is DependencyProperty)
{
Application.Current.Dispatcher.BeginInvoke(
new Action(() => element.SetBinding(
(DependencyProperty)property,
new Binding
{
Source = context,
Path = new PropertyPath("Value"),
Mode = BindingMode.OneWay
})));
}
return(context.Value);
}
return(this);
}
/// <summary>
/// Provides the value.
/// </summary>
/// <param name="serviceProvider">The service provider.</param>
/// <returns>the value</returns>
public override object ProvideValue(System.IServiceProvider serviceProvider)
{
object property;
FrameworkElement element;
if (LocalizationBase.TryGetTarget(serviceProvider, out element, out property))
{
if (property is DependencyProperty)
{
var context = new LocalizedBinding(element, this.PropertyPath);
Application.Current.Dispatcher.BeginInvoke(
new Action(() => element.SetBinding(
(DependencyProperty)property,
new Binding
{
Source = context,
Path = new PropertyPath("Localized.Value"),
Mode = BindingMode.OneWay
})));
}
var key = this.GetKey(element);
if (!string.IsNullOrWhiteSpace(key))
{
LocalizedString localized = Localizer.GetString(key);
return(localized.Value);
}
return(null);
}
return(this);
}