protected void UpdateChange <TProperty>(
Expression <Func <TObject, TProperty> > changedPropertyNameExpr,
ValueObjectEditorViewModel <TProperty> editor)
//where TProperty : class
where TProperty : ValueObject <TProperty>
{
this.UpdateChange(changedPropertyNameExpr.GetMemberName(), editor, changedPropertyNameExpr.Compile());
}
protected void UpdateChange <TProperty>(
string propertyName,
ValueObjectEditorViewModel <TProperty> editor,
Func <TObject, TProperty> originalValueGetter)
//where TProperty : class
where TProperty : ValueObject <TProperty>
{
var originalValue =
this._originalObject != null
? originalValueGetter(this._originalObject)
: default;
var newValue = editor.GetEditedValue();
var isChanged = object.Equals(originalValue, newValue) == false;
if (isChanged)
{
var changes = editor.GetChanges();
if (this._changes.ContainsKey(propertyName))
{
this._changes[propertyName] = changes;
}
else
{
this._changes.Add(propertyName, changes);
}
}
else
{
if (this._changes.ContainsKey(propertyName))
{
this._changes.Remove(propertyName);
}
}
}