/// <summary>
/// Sets value to the Model object's property
/// </summary>
/// <typeparam name="TObject"></typeparam>
/// <typeparam name="TProperty"></typeparam>
/// <param name="storageObject"></param>
/// <param name="storageObjectPropertyExpression"></param>
/// <param name="value"></param>
/// <param name="propertyName"></param>
/// <param name="userInput"></param>
/// <returns></returns>
protected bool SetProperty <TObject, TProperty>(TObject storageObject,
Expression <Func <dynamic> > storageObjectPropertyExpression, TProperty value,
[CallerMemberName] string propertyName = null, bool userInput = false)
{
if (userInput && !_userInput.Contains(propertyName))
{
_userInput.Add(propertyName);
}
var storagePropertyName = PropertySupport.ExtractPropertyName(storageObjectPropertyExpression);
dynamic val = PropertySupport.GetPropertyValue <TObject, TProperty>(storageObject, storagePropertyName);
if ((val as object)?.GetType().IsValueType ?? false && val != null && value != null)
{
if (val.Equals(value))
{
return(false);
}
}
else if (val == value)
{
return(false);
}
PropertySupport.SetPropertyValue(storageObject, storagePropertyName, value);
{
Invalidate(propertyName);
}
return(true);
}
public void TrackProperties(params Expression <Func <object> >[] expressions)
{
foreach (var expression in expressions)
{
var propertyName = PropertySupport.ExtractPropertyName(expression);
var propertyValue = PropertySupport.GetPropertyValue <object, dynamic>(this, propertyName);
_initialValues[propertyName] = propertyValue;
OnValidate(propertyName);
}
}
public bool CheckIsPropertyChanged(string propertyName)
{
var initialValue = _initialValues[propertyName];
var actualValue = PropertySupport.GetPropertyValue <object, dynamic>(this, propertyName);
if (actualValue is IStorableBladeModel storableBladeModel)
{
return(storableBladeModel.IsChanged);
}
else
{
return(!PropertySupport.CompareHelper.AreEquals(actualValue, initialValue));
}
}