public override void OnPropertyChanged(PropertyInfo propertyInfo, NotifyPropertyChanged sender)
{
var categoryNotifyPropertyChanged = sender as CategoryNotifyPropertyChanged;
var category = categoryNotifyPropertyChanged != null ? categoryNotifyPropertyChanged.Category : null;
OnPropertyChanged(new CategoryPropertyChangedEventArgs(propertyInfo.Name, category));
}
public bool Subscribe(NguiBaseBinding binding, NotifyPropertyChanged handler) {
var context = binding.GetContext(Text);
if (context == null) {
return false;
}
var properties = new Dictionary<Type, Property>() {
{typeof(bool), context.FindProperty<bool>(Text, binding)},
{typeof(int), context.FindProperty<int>(Text, binding)},
{typeof(float), context.FindProperty<float>(Text, binding)},
{typeof(double), context.FindProperty<double>(Text, binding)}
};
var pair = properties.FirstOrDefault(x => x.Value != null);
if (pair.Equals(default(KeyValuePair<Type, Property>))) {
return false;
}
type = pair.Key;
property = pair.Value;
//Предотвращеие двойной подписи
property.OnChange -= handler;
property.OnChange += handler;
return true;
}
public void CreateDependent_DependentsHasNoMemberReference()
{
var o = new NotifyPropertyChanged ();
Func<int, string> f = a => a.ToString ();
NotifyingProperty.CreateDependent (
() => o.CurrentStep,
() => null,
() => f (42));
}
public void CreateDependent_DependentsHasNoMemberReference()
{
var o = new NotifyPropertyChanged();
Func <int, string> f = a => a.ToString();
NotifyingProperty.CreateDependent(
() => o.CurrentStep,
() => null,
() => f(42));
}
public DataCoreInterceptor(Type dataCoreType, Type dtoType, NotifyPropertyChanged npc)
{
DataCoreType = dataCoreType;
Type implType = dataCoreType.GetCustomAttribute <ImplementationAttribute>( )?.Type;
ConstructorInfo ci = implType.GetConstructor(
BindingFlags.Instance | BindingFlags.Public,
null,
new[] { typeof(Type), typeof(NotifyPropertyChanged) },
null);
DataCore = (IDataCore)ci.Invoke(new object[] { dtoType, npc });
}
public void NotifyPropertyChangedTest()
{
NotifyPropertyChanged changed = new NotifyPropertyChanged();
changed.PropertyChanged += propertyChangeTest1;
changed.Property1 = "Test22";
changed.PropertyChanged -= propertyChangeTest1;
bool methodCalled = false;
changed.PropertyChanged += (sender, e) =>
{
methodCalled = true;
};
changed.Property2 = "prop2";
Assert.IsTrue(methodCalled);
changed = new NotifyPropertyChanged();
methodCalled = false;
changed.PropertyChanged += (sender, e) =>
{
methodCalled = true;
Assert.AreEqual("Property3", e.PropertyName);
};
changed.Property3 = "prop3";
Assert.IsTrue(methodCalled);
changed = new NotifyPropertyChanged();
methodCalled = false;
changed.PropertyChanged += (sender, e) =>
{
methodCalled = true;
};
changed.Property4 = "prop4";
Assert.IsTrue(methodCalled);
}
private string GetAuthName()
{
if (!(TargetObject is FrameworkElement framework))
{
return(null);
}
object obj = framework.DataContext;
Type targetType = obj.GetType();
PropertyInfo propertyInfo = targetType.GetProperty(Path.Path);
string authInfo = propertyInfo.GetValue(obj)?.ToString();
string authName = Converter.Convert(authInfo, typeof(string), ConverterParameter, ConverterCulture).ToString();
NotifyPropertyChanged notifyObject = obj as NotifyPropertyChanged;
notifyObject.PropertyChanged += NotifyObject_PropertyChanged;
return(authName);
}
public DtoInterceptor(Type dtoType, IDataCore dataCore, NotifyPropertyChanged npc)
{
if (dataCore == null)
{
throw new ArgumentNullException(nameof(dataCore), $"{nameof( dataCore )} must not be null");
}
if (dtoType == null)
{
throw new ArgumentNullException(nameof(dtoType), $"{nameof( dtoType )} must not be null");
}
_dataCore = dataCore;
DtoType = dtoType;
_npc = npc;
Init( );
}
public void Fact()
{
var ns = @"ComponentModel";
var output = Path.Combine(Path.GetTempPath(), Path.GetRandomFileName(), ns);
var context = new EntitiesContext()
{
Namespace = new Namespace(NAMESPACE, ns),
Imports = new[] {@"System.ComponentModel", @"DataTransferObjects" },
TypeName = new TypeName(@"", @"TB_MATE_SALE_PRICE", @"ViewModel"),
Inherits = @"TestViewModel",
Implements = new [] { @"INortifyPropertyChanged" },
OutputPath = output,
};
var viewmodel = new NotifyPropertyChanged(context);
viewmodel.CreateViewModel(context.TypeName.ToString());
TextTemplatingProcess.StartExplorer(context.OutputPath);
}
public NotifyPropertyChangedHelper(NotifyPropertyChanged notifyPropertyChanged)
{
_notifyPropertyChanged = notifyPropertyChanged;
}
/// <summary>
/// Зарегистрировать зависимое свойство.
/// </summary>
/// <typeparam name="TProp">тип свойства</typeparam>
/// <param name="expression">выражение, содержащее доступ к обёртке свойства для получения его имени</param>
/// <param name="onPropertyChanged">обработчик события изменения свойства, или null, если не нужен</param>
/// <param name="defaultValue">значение свойства по-умолчанию</param>
/// <param name="onCoerce">обработчик, подправляющий значение свойства перед установкой, или null, если не нужен</param>
/// <param name="onValidate">обработчик, проверяющий корректность значения свойства, или null, если не нужен</param>
/// <returns>зарегистрированное зависимое свойство</returns>
public static DependencyProperty Register <TProp>(Expression <Func <TSource, TProp> > expression, NotifyPropertyChanged <TSource, TProp> onPropertyChanged = null,
TProp defaultValue = default(TProp), Func <TSource, TProp, TProp> onCoerce = null, Func <TProp, bool> onValidate = null)
{
var propertyChangedCallback = onPropertyChanged != null ? (o, args) => onPropertyChanged((TSource)o, (TProp)args.OldValue, (TProp)args.NewValue) : (PropertyChangedCallback)null;
var coerceValueCallback = onCoerce != null ? (o, v) => onCoerce((TSource)o, (TProp)v) : (CoerceValueCallback)null;
var validateValueCallback = onValidate != null ? o => onValidate((TProp)o) : (ValidateValueCallback)null;
return(DependencyProperty.Register(NameHelper <TSource> .Name(expression), typeof(TProp), typeof(TSource),
new PropertyMetadata(defaultValue, propertyChangedCallback, coerceValueCallback),
validateValueCallback));
}
public void Unsubscribe(NotifyPropertyChanged handler) {
if (property == null) return;
property.OnChange -= handler;
}
public override void OnPropertyChanged(PropertyInfo propertyInfo, NotifyPropertyChanged sender)
{
var categoryNotifyPropertyChanged = sender as CategoryNotifyPropertyChanged;
var category = categoryNotifyPropertyChanged != null ? categoryNotifyPropertyChanged.Category : null;
OnPropertyChanged(new CategoryPropertyChangedEventArgs(propertyInfo.Name, category));
}
public WeakEventDelegator(NotifyPropertyChanged target)
{
_eventTarget = target;
_propertyMappings = new Dictionary<INotifyPropertyChanged, List<PropertyMapping>>();
}
public static IObservable <PropertyChangedEventArgs> WhenPropertyChanged(this NotifyPropertyChanged notifyPropertyChanged)
{
return(Observable.FromEvent <PropertyChangedEventHandler, PropertyChangedEventArgs>(
ev => notifyPropertyChanged.PropertyChanged += ev,
ev => notifyPropertyChanged.PropertyChanged -= ev));
}
public NotifyPropertyChangedInterceptor(NotifyPropertyChanged npc)
{
_npc = npc;
}