/// <summary>
/// AttachedPropertyActionに、通知時に実行するViewの処理を埋め込みます
/// </summary>
/// <param name="attachedProperty"></param>
/// <param name="d"></param>
/// <param name="e"></param>
/// <param name="action"></param>
public static void Inject(DependencyProperty attachedProperty, DependencyObject d, DependencyPropertyChangedEventArgs e, Action <TControl, TParam> action)
{
var control = d as TControl;
if (control == null)
{
return;
}
var oldVal = e.OldValue as InjectedViewAction <TParam>;
if (oldVal != null)
{
// 古いハンドラを削除
oldVal.Remove(attachedProperty.Name, control);
}
var newVal = e.NewValue as InjectedViewAction <TParam>;
if (newVal != null)
{
// 新しいハンドラを登録
var handler = new InjectedViewActionHandler <TControl, TParam>(attachedProperty.Name, control, action);
newVal.Add(handler);
}
}
private void OnTriggerChanged(DependencyPropertyChangedEventArgs e)
{
InjectedViewActionHandler <FrameworkElement, object> .Inject(TriggerProperty, this.AssociatedObject, e, (element, param) =>
{
this.InvokeActions(param);
});
}
