///--------------------------------------------------------------------------------
/// <summary>This method refreshes the view model.</summary>
///
/// <param name="refreshChildren">Flag indicating whether children should be refreshed.</param>
///--------------------------------------------------------------------------------
public void Refresh(bool refreshChildren, int refreshLevel = 0)
{
if (refreshChildren == true || refreshLevel > 0)
{
}
#region protected
#endregion protected
HasErrors = !StateTransition.IsValid;
HasCustomizations = StateTransition.IsAutoUpdated == false || StateTransition.IsEmptyMetadata(StateTransition.ForwardInstance) == false || ChildrenHaveAnyCustomizations();
if (HasCustomizations == false && StateTransition.ReverseInstance != null)
{
// remove customizations if solely due to child customizations no longer present
StateTransition.IsAutoUpdated = true;
StateTransition.SpecSourceName = StateTransition.ReverseInstance.SpecSourceName;
StateTransition.ResetModified(StateTransition.ReverseInstance.IsModified);
StateTransition.ResetLoaded(StateTransition.ReverseInstance.IsLoaded);
if (!StateTransition.IsIdenticalMetadata(StateTransition.ReverseInstance))
{
HasCustomizations = true;
StateTransition.IsAutoUpdated = false;
}
}
if (HasCustomizations == false)
{
// clear customizations
StateTransition.ForwardInstance = null;
StateTransition.ReverseInstance = null;
StateTransition.IsAutoUpdated = true;
}
OnPropertyChanged("Items");
OnPropertyChanged("HasCustomizations");
OnPropertyChanged("HasErrors");
}