private void InternalValidateProperty(string propertyName, object value)
{
var results = new List <ValidationResult>();
bool isValid = Validator.TryValidateProperty(value, new ValidationContext(this, null, null)
{
MemberName = propertyName
}, results);
if (isValid)
{
RemoveErrors(propertyName);
}
else
{
AddErrors(propertyName, results);
}
NotifyErrorsChanged(propertyName);
BindingHelper.InternalNotifyPropertyChanged("HasErrors", this, propertyChanged);
}
/// <summary>
/// Restores original
/// </summary>
public void CancelEdit()
{
// Return if BeginEdit not called first
if (Copy == null)
{
return;
}
// Point entity to original
Model = Original;
// Clear copy
Copy = null;
// Notify IsEditing, IsDirty
BindingHelper.InternalNotifyPropertyChanged("IsEditing",
this, base.propertyChanged);
BindingHelper.InternalNotifyPropertyChanged("IsDirty",
this, base.propertyChanged);
// Post-processing
OnCancelEdit();
}
/// <summary>
/// Allows you to specify a lambda for notify property changed
/// </summary>
/// <typeparam name="TResult">Property type</typeparam>
/// <param name="property">Property for notification</param>
protected virtual void NotifyPropertyChanged <TResult>
(Expression <Func <TModel, TResult> > property)
{
// Fire PropertyChanged event
BindingHelper.NotifyPropertyChanged(property, this, propertyChanged, dispatcher);
}