public static AuthorizationResult Authorize(object target)
{
if (target == null)
{
throw new ArgumentNullException("target");
}
if (DesignerProperties.IsInDesignTool)
{
return(AuthorizationResult.Allowed);
}
AuthorizationSource source =
Authorization.SourceFactory.CreateSource(AuthorizationRuleManager.GetAuthorizationAttributes(target));
if (source == null)
{
throw new InvalidOperationException("Factory cannot return a null source.");
}
DependencyObject targetDo = target as DependencyObject;
if (targetDo != null)
{
if (Authorization.GetBehaviorManager(targetDo) == null)
{
Authorization.SetBehaviorManager(targetDo, new AuthorizationBehaviorManager(targetDo));
}
Authorization.GetBehaviorManager(targetDo).SetBehaviors(AuthorizationRuleManager.GetAuthorizationBehaviors(target), source);
}
return(source.Result);
}
public override void AddBehavior(object target, AuthorizationSource source)
{
DependencyObject targetDo = target as DependencyObject;
if (targetDo != null)
{
BindingOperations.SetBinding(
targetDo,
PropertyBindingBehavior.GetDependencyProperty(target, this.PropertyName),
new Binding("Result")
{
Source = source, Converter = new AuthorizationConverter()
});
}
}
public AuthorizationCommand(AuthorizationSource source, ICommand command)
{
if (source == null)
{
throw new ArgumentNullException("source");
}
if (command == null)
{
throw new ArgumentNullException("command");
}
this._source = source;
this._command = command;
this._source.PropertyChanged += this.SourcePropertyChanged;
this._command.CanExecuteChanged += this.CommandCanExecuteChanged;
}
public void SetBehaviors(IEnumerable <AuthorizationBehavior> behaviors, AuthorizationSource source)
{
if (this._behaviors != behaviors)
{
if (this._behaviors != null)
{
foreach (AuthorizationBehavior behavior in this._behaviors)
{
behavior.RemoveBehavior(this._target);
}
}
this._behaviors = behaviors;
if (this._behaviors != null)
{
foreach (AuthorizationBehavior behavior in this._behaviors)
{
behavior.AddBehavior(this._target, source);
}
}
}
}
