/// <summary>
/// Initializes an instance of the extension to set the language property for an
/// element to the current <see cref="ICultureManager.UICulture"/> property value.
/// </summary>
internal UICultureExtension(MarkupExtensionManager markupExtensionManager, ICultureManager cultureManager)
: base(markupExtensionManager)
{
_cultureManager = cultureManager;
WeakEventManager <ICultureManager, EventArgs> .AddHandler(_cultureManager, "UICultureChanged", cultureManager_UICultureChanged);
}
/// <summary>
/// Initializes a new instance of the markup extension.
/// </summary>
internal LocalizeExtension(MarkupExtensionManager markupExtensionManager, ICultureManager cultureManager, string key)
: base(markupExtensionManager)
{
_cultureManager = cultureManager;
_key = key;
WeakEventManager <ICultureManager, EventArgs> .AddHandler(_cultureManager, "UICultureChanged", cultureManager_UICultureChanged);
}
/// <summary>
/// Handles a change to the attached DefaultResxName property.
/// </summary>
/// <param name="element">The dependency object (a WPF element)</param>
/// <param name="args">The dependency property changed event arguments</param>
/// <remarks>In design mode, updates the extension with the correct ResxName</remarks>
private static void OnDefaultResxNamePropertyChanged(DependencyObject element, DependencyPropertyChangedEventArgs args)
{
if (DesignerProperties.GetIsInDesignMode(element))
{
var applicableExtensions = MarkupExtensionManager.For <LocalizeExtension>(CleanupInterval).ActiveExtensions
.OfType <LocalizeExtension>()
.Where(extension => extension.IsTarget(element));
foreach (var extension in applicableExtensions)
{
// Force the resource manager to be reloaded when the attached resx name changes.
extension._resourceManager = null;
extension._defaultResxName = args.NewValue as string;
extension.UpdateTarget(element);
}
}
}
/// <summary>
/// Initializes a new instance of the markup extension.
/// </summary>
/// <param name="key">The key used to get the value from the resources</param>
public LocalizeExtension(string key)
: this(MarkupExtensionManager.For <LocalizeExtension>(CleanupInterval), CultureManager.Default, key)
{
}
/// <summary>
/// Initializes a new instance of a markup extension.
/// </summary>
public ManagedMarkupExtension(MarkupExtensionManager manager)
{
manager.RegisterExtension(this);
}
/// <summary>
/// Initializes an instance of the extension to set the language property for an
/// element to the current <see cref="ICultureManager.UICulture"/> property value.
/// </summary>
public UICultureExtension()
: this(MarkupExtensionManager.For <UICultureExtension>(2), CultureManager.Default)
{
}
