private object _OnViewing(object entity, bool creating)
{
if (Viewing != null)
{
return(Viewing(entity));
}
var options = new ViewOptions
{
PropertyRoute = CleanType.IsEmbeddedEntity() ? GetEntityPropertyRoute() : null,
};
bool isReadOnly = (ReadonlyEntity ?? Common.GetIsReadOnly(this)) && !creating;
if (isReadOnly)
{
options.ReadOnly = isReadOnly;
}
return(Navigator.ViewUntyped(entity, options));
}
public static T View <T>(T entity, ViewOptions options = null)
where T : ModifiableEntity
{
return((T)Manager.View(entity, options ?? new ViewOptions()));
}
public static Lite <T> View <T>(Lite <T> entity, ViewOptions options = null)
where T : class, IEntity
{
return((Lite <T>)Manager.View(entity, options ?? new ViewOptions()));
}
public static object ViewUntyped(object entity, ViewOptions options = null)
{
return(Manager.View(entity, options ?? new ViewOptions()));
}
public virtual object View(object entityOrLite, ViewOptions options)
{
if (entityOrLite == null)
{
throw new ArgumentNullException("entity");
}
ModifiableEntity entity = entityOrLite as ModifiableEntity;
Type liteType = null;
if (entity == null)
{
liteType = Lite.Extract(entityOrLite.GetType());
entity = Server.Retrieve((Lite <Entity>)entityOrLite);
}
EntitySettings es = AssertViewableEntitySettings(entity);
if (!es.OnIsViewable())
{
throw new Exception("{0} is not viewable".FormatWith(entity));
}
Control ctrl = options.View ?? es.CreateView(entity, options.PropertyRoute);
ctrl = es.OnOverrideView(entity, ctrl);
NormalWindow win = CreateNormalWindow();
SetNormalWindowEntity(win, (ModifiableEntity)entity, options, es, ctrl);
if (options.AllowErrors != AllowErrors.Ask)
{
win.AllowErrors = options.AllowErrors;
}
bool?ok = win.ShowDialog();
if (ok != true)
{
return(null);
}
object result = win.DataContext;
if (liteType != null)
{
Entity ident = (Entity)result;
bool saveProtected = ((ViewOptions)options).RequiresSaveOperation ?? EntityKindCache.RequiresSaveOperation(ident.GetType());
if (GraphExplorer.HasChanges(ident))
{
if (saveProtected)
{
throw new InvalidOperationException("The lite '{0}' of type '{1}' is SaveProtected but has changes. Consider setting SaveProtected = false in ViewOptions".FormatWith(entityOrLite, liteType.TypeName()));
}
return(ident.ToLiteFat());
}
return(ident.ToLite());
}
return(result);
}
private object _OnViewing(object entity, bool creating)
{
if (Viewing != null)
return Viewing(entity);
var options = new ViewOptions
{
PropertyRoute = CleanType.IsEmbeddedEntity() ? GetEntityPropertyRoute() : null,
};
bool isReadOnly = (ReadonlyEntity ?? Common.GetIsReadOnly(this)) && !creating;
if (isReadOnly)
options.ReadOnly = isReadOnly;
return Navigator.ViewUntyped(entity, options);
}
