internal protected virtual bool OnIsCreable(Type type, bool isSearchEntity)
{
EntitySettings es = EntitySettings.TryGetC(type);
if (es != null)
{
if (!es.OnIsCreable(isSearchEntity))
{
return(false);
}
}
else
{
if (type.IsEntity())//HACK
{
return(false);
}
else
{
return(true);
}
}
foreach (var isCreable in IsCreable.GetInvocationListTyped())
{
if (!isCreable(type))
{
return(false);
}
}
return(true);
}
internal protected virtual bool OnIsViewable(Type type, ModifiableEntity entity)
{
EntitySettings es = EntitySettings.TryGetC(type);
return
(es != null &&
es.HasView() &&
IsViewableBase(type, entity) &&
es.OnIsViewable());
}
internal protected virtual bool OnIsNavigable(Type type, IEntity entity, bool isSearchEntity)
{
EntitySettings es = EntitySettings.TryGetC(type);
return
(es != null &&
es.HasView() &&
IsViewableBase(type, (ModifiableEntity)entity) &&
es.OnIsNavigable(isSearchEntity));
}
public ImageSource GetEntityIcon(Type type, bool useDefault)
{
EntitySettings es = EntitySettings.TryGetC(type);
if (es != null && es.Icon != null)
{
return(es.Icon);
}
return(useDefault ? DefaultEntityIcon : null);
}
public virtual void Navigate(object entityOrLite, NavigateOptions options)
{
if (entityOrLite == null)
{
throw new ArgumentNullException("entity");
}
Type type = entityOrLite is Lite <Entity>?((Lite <Entity>)entityOrLite).EntityType : entityOrLite.GetType();
OpenIndependentWindow(() =>
{
NormalWindow win = CreateNormalWindow();
win.SetTitleText(NormalWindowMessage.Loading0.NiceToString().FormatWith(type.NiceName()));
return(win);
},
afterShown: win =>
{
try
{
ModifiableEntity entity = entityOrLite as ModifiableEntity;
if (entity == null)
{
Lite <Entity> lite = (Lite <Entity>)entityOrLite;
entity = lite.EntityOrNull ?? Server.RetrieveAndForget(lite);
}
EntitySettings es = AssertViewableEntitySettings(entity);
if (!es.OnIsNavigable(true))
{
throw new Exception("{0} is not navigable".FormatWith(entity));
}
if (entity is EmbeddedEntity)
{
throw new InvalidOperationException("ViewSave is not allowed for EmbeddedEntities");
}
Control ctrl = options.View != null ? options.View() : es.CreateView(entity, null);
ctrl = es.OnOverrideView(entity, ctrl);
SetNormalWindowEntity(win, (ModifiableEntity)entity, options, es, ctrl);
}
catch
{
win.Close();
throw;
}
},
closed: options.Closed);
}
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);
}
}
}
protected internal virtual Implementations FindImplementations(PropertyRoute pr)
{
if (typeof(ModelEntity).IsAssignableFrom(pr.RootType))
{
EntitySettings es = EntitySettings.TryGetC(pr.RootType);
if (es != null) //Not mandatory, on windows it's usual not to register model entities.
{
return(es.FindImplementations(pr));
}
return(ModelEntity.GetImplementations(pr));
}
else
{
return(Server.FindImplementations(pr));
}
}
public virtual ImageSource GetFindIcon(object queryName, bool useDefault)
{
var qs = QuerySettings.TryGetC(queryName);
if (qs != null && qs.Icon != null)
{
return(qs.Icon);
}
if (queryName is Type)
{
EntitySettings es = Navigator.Manager.EntitySettings.TryGetC((Type)queryName);
if (es != null && es.Icon != null)
{
return(es.Icon);
}
}
return(useDefault ? DefaultFindIcon : null);
}
internal protected virtual EntitySettings AssertViewableEntitySettings(ModifiableEntity entity)
{
EntitySettings es = EntitySettings.TryGetC(entity.GetType());
if (es == null)
{
throw new InvalidOperationException("No EntitySettings for type {0}".FormatWith(entity.GetType().Name));
}
if (!es.HasView())
{
throw new InvalidOperationException("No view has been set in the EntitySettings for {0}".FormatWith(entity.GetType().Name));
}
if (!IsViewableBase(entity.GetType(), entity))
{
throw new InvalidOperationException("Entities of type {0} are not viewable".FormatWith(entity.GetType().Name));
}
return(es);
}
internal protected virtual bool OnIsReadOnly(Type type, ModifiableEntity entity)
{
EntitySettings es = EntitySettings.TryGetC(type);
if (es != null)
{
if (es.OnIsReadonly())
{
return(true);
}
}
foreach (var isReadOnly in IsReadOnly.GetInvocationListTyped())
{
if (isReadOnly(type, entity))
{
return(true);
}
}
return(false);
}
protected virtual NormalWindow SetNormalWindowEntity(NormalWindow win, ModifiableEntity entity, ViewOptionsBase options, EntitySettings es, Control ctrl)
{
Type entityType = entity.GetType();
win.MainControl = ctrl;
win.ShowOperations = options.ShowOperations;
win.ViewMode = options.ViewButtons;
entity = options.Clone ? (ModifiableEntity)((ICloneable)entity).Clone() : entity;
win.OnPreEntityLoaded(entity);
win.DataContext = entity;
if (options.ReadOnly ?? OnIsReadOnly(entityType, entity))
{
Common.SetIsReadOnly(win, true);
}
if (options is ViewOptions)
{
win.SaveProtected = ((ViewOptions)options).RequiresSaveOperation ??
(typeof(Entity).IsAssignableFrom(entityType) && EntityKindCache.RequiresSaveOperation(entityType)); //Matters even on Ok
}
TaskNormalWindow?.Invoke(win, entity);
return(win);
}
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);
}
public static void AddSetting(EntitySettings setting)
{
Navigator.Manager.EntitySettings.AddOrThrow(setting.StaticType, setting, "EntitySettings {0} repeated");
}
