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using System;
using System.ComponentModel;
using solidware.financials.windows.ui.presenters.validation;
namespace solidware.financials.windows.ui.views.controls
{
public class ObservableProperty<T> : Observable<T>, IDataErrorInfo
{
T value;
public ObservableProperty() : this(default(T)) {}
public ObservableProperty(T value)
{
this.value = value;
Notification = new Notification<Observable<T>>();
}
public Notification<Observable<T>> Notification { get; private set; }
public T Value
{
get { return value; }
set
{
this.value = value;
PropertyChanged(this, new PropertyChangedEventArgs("Value"));
}
}
public void WhenChanged(Action observer)
{
PropertyChanged += (o, e) => observer();
}
public void Register<TSeverity>(Func<T, bool> failCondition, Func<string> errorMessage) where TSeverity : Severity, new()
{
Notification.Register<TSeverity>(x => x.Value, () => failCondition(Value), errorMessage);
}
object Observable.Value
{
get { return value; }
}
static public implicit operator T(ObservableProperty<T> val)
{
return val.value;
}
public event PropertyChangedEventHandler PropertyChanged = (o, e) => {};
public override string ToString()
{
return value.ToString();
}
public string this[string property]
{
get { return Notification[property]; }
}
public string Error
{
get { throw new NotImplementedException(); }
}
}
}
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