//#endregion Set classes
//#region Set structs
/// <summary>
/// Establece la propiedad utilizando el operador <c>!=</c> para comprobar si
/// ha cambiado.
/// Solo se puede utilizar en <c>bool</c>.
/// </summary>
public static void SetSt(this INotifyPropertyChangedEx_Helper @this,
string name, bool oldValue, bool value,
Action <bool> setter)
{
if (oldValue != value)
{
setter(value);
@this.NotifyPropertyChanged(name, oldValue, value);
}
}
/// <summary>
/// Establece la propiedad utilizando el método <c>Equals</c> para comprobar si
/// ha cambiado.
/// No se puede utilizar en estructuras.
/// </summary>
public static void SetEqCl <T>(this INotifyPropertyChangedEx_Helper @this,
string name, T oldValue, T value,
Action <T> setter) where T : class
{
if (!object.Equals(oldValue, value))
{
setter(value);
@this.NotifyPropertyChanged(new PropertyChangedExEventArgs(name, oldValue, value));
}
}
public static void EpsilonSet <T>(this INotifyPropertyChangedEx_Helper @this,
ref T backingStore, T value, double epsilon = MathUtils.EPSILON,
[CallerMemberName] string name = "")
{
if (!EpsilonEqualityComparer <T> .Default.EpsilonEquals(backingStore, value, epsilon))
{
T oldValue = backingStore;
backingStore = value;
@this.NotifyPropertyChanged(new PropertyChangedExEventArgs(name, oldValue, value));
}
}
public static void Set <T>(this INotifyPropertyChangedEx_Helper @this,
ref T backingStore, T value,
[CallerMemberName] string name = "")
{
if (!EqualityComparer <T> .Default.Equals(backingStore, value))
{
T oldValue = backingStore;
backingStore = value;
@this.NotifyPropertyChanged(new PropertyChangedExEventArgs(name, oldValue, value));
}
}
//#endregion Set structs
/// <summary>
/// </summary>
public static void Set <T>(this INotifyPropertyChangedEx_Helper @this,
string name, T oldValue, T value,
Action <T> setter)
{
if (typeof(T).IsValueType)
{
if (!object.Equals(oldValue, value))
{
setter(value);
@this.NotifyPropertyChanged(name, oldValue, value);
}
}
else
{
if (!object.ReferenceEquals(oldValue, value))
{
setter(value);
@this.NotifyPropertyChanged(name, oldValue, value);
}
}
}
public static void NotifyPropertyChanged(this INotifyPropertyChangedEx_Helper sender, string name, object oldValue, object value)
{
sender.NotifyPropertyChanged(new PropertyChangedExEventArgs(name, oldValue, value));
}
