|
public static GetPropertyRoute ( |
||
| obj | ||
| Résultat | PropertyRoute | |
void ChangeDataContext_Handler(object sender, ChangeDataContextEventArgs e)
{
if (e.Refresh)
{
var l = ((Entity)this.DataContext).ToLite().Retrieve();
this.DataContext = null;
this.DataContext = l;
e.Handled = true;
}
else
{
if (e.NewDataContext == null)
{
throw new ArgumentNullException("NewDataContext");
}
Type type = Common.GetPropertyRoute(MainControl).Type;
Type entityType = e.NewDataContext.GetType();
if (type != null && !type.IsAssignableFrom(entityType))
{
throw new InvalidCastException("The DataContext is a {0} but TypeContext is {1}".FormatWith(entityType.Name, type.Name));
}
DataContext = null;
DataContext = e.NewDataContext;
e.Handled = true;
}
}
public override object ProvideValue(IServiceProvider serviceProvider)
{
if (string.IsNullOrEmpty(Continuation))
{
throw new Exception("continuation is null");
}
IProvideValueTarget provider = (IProvideValueTarget)serviceProvider.GetService(typeof(IProvideValueTarget));
if (!(provider.TargetObject is DependencyObject))
{
return(this);
}
var depObj = (DependencyObject)provider.TargetObject;
PropertyRoute route = Common.GetPropertyRoute(depObj);
if (route == null)
{
throw new FormatException("ContinueRoute is only available with a previous TypeContext");
}
return(Continue(route, Continuation));
}
protected override string GetNameCore()
{
var parentRoute = Common.GetPropertyRoute(Owner);
if (parentRoute == null)
{
return(null);
}
return(parentRoute.Add("Item").ToString());
}
private void RecalculateVisibility(object oldValue, object newValue)
{
if (AutoChild)
{
// when datacontext change is fired but its not loaded, it's quite possible that some Common.Routes are not working yet
if (newValue == null /* || !IsLoaded*/)
{
Child = null;
}
else
{
EntitySettings es = Navigator.Manager.EntitySettings.TryGetC(newValue.GetType());
if (es == null)
{
Child = new TextBox
{
Text = "No EntitySettings for {0}".FormatWith(newValue.GetType()),
Foreground = Brushes.Red,
FontWeight = FontWeights.Bold
}
}
;
else
{
Child = es.CreateView((ModifiableEntity)newValue, Common.GetPropertyRoute(this));
}
}
}
if (Child != null)
{
if (newValue == null)
{
Child.Visibility = Visibility.Hidden;
}
else
{
Child.Visibility = Visibility.Visible;
}
if (oldValue != null && newValue != null)
{
Child.BeginAnimation(UIElement.OpacityProperty, animation);
}
}
}
void AutoControl_Initialized(object sender, EventArgs e)
{
PropertyRoute typeContext = Common.GetPropertyRoute(this);
if (typeContext == null || typeContext.Type == null)
{
Content = new Label {
Foreground = Brushes.Red, Content = "No TypeContext"
};
return;
}
Type type = typeContext.Type;
XElement element = GenerateEntityStackPanel(type);
this.Content = XamlReader.Load(element.CreateReader());
}
public virtual PropertyRoute GetEntityPropertyRoute()
{
return(Common.GetPropertyRoute(this));
}
