private async Task LoadPointsFromServiceAsync()
{
const string ErrorMessage = "Получение списка точек от сервиса - ошибка:\n{0}";
try
{
IsGettingPointsFromService = true;
var source = await FillPointsTree(_rootEmcosGroup);
IsGettingPointsFromService = false;
if (source.Count == 0)
{
this.ShowDialogWarning("Список пуст!");
EmcosFromSiteModel = null;
}
else
{
EmcosFromSiteModel = new TreeModel(new EmcosPoint("ROOT", source));
}
}
catch (Exception ex)
{
EmcosSiteWrapperApp.Log("Получение списка точек от сервиса - ошибка");
IsGettingPointsFromService = false;
this.ShowDialogError(String.Format(ErrorMessage, EmcosSiteWrapperApp.GetExceptionDetails(ex)));
}
}
private async Task LoadPointsFromServiceAsync()
{
const string ErrorMessage = "Получение списка точек от сервиса - ошибка:\n{0}";
IDialog dialog = null;
try
{
dialog = _window.DialogWaitingScreen("Получение данных ...", indeterminate: true, mode: TMPApplication.WpfDialogs.DialogMode.Cancel);
dialog.Show();
var source = await FillPointsTree(_rootEmcosGroup);
if (source.Count == 0)
{
dialog.Close();
_window.ShowDialogWarning("Список пуст!", TITLE);
EmcosPointsFromSite = null;
}
else
{
dialog.Caption = "Создание модели";
EmcosSiteWrapperApp.Current.Dispatcher.Invoke(System.Windows.Threading.DispatcherPriority.Background, new System.Threading.ThreadStart(delegate { }));
EmcosPointsFromSite = new HierarchicalEmcosPointCollection(null, source);
dialog.Caption = "Поиск изменений";
EmcosSiteWrapperApp.Current.Dispatcher.Invoke(System.Windows.Threading.DispatcherPriority.Background, new System.Threading.ThreadStart(delegate { }));
// поиск новых точек
void checkNewItems(IEnumerable <IHierarchicalEmcosPoint> sourcePoints, IEnumerable <IHierarchicalEmcosPoint> destinationPoints)
{
foreach (var point in sourcePoints)
{
IHierarchicalEmcosPoint p = destinationPoints.Where(i => i.Id == point.Id).FirstOrDefault();
if (p == null)
{
point.Tag = "NEW";
}
else
{
point.Tag = null;
if (point.HasChildren)
{
checkNewItems(point.Children, p.Children);
}
}
}
}
checkNewItems(EmcosPointsFromSite, EmcosPoints);
// поиск удаленных точек
void checkDeletedItems(IEnumerable <IHierarchicalEmcosPoint> sourcePoints, IEnumerable <IHierarchicalEmcosPoint> destinationPoints)
{
foreach (var point in sourcePoints)
{
IHierarchicalEmcosPoint p = destinationPoints.Where(i => i.Id == point.Id).FirstOrDefault();
if (p == null)
{
point.Tag = "DELETED";
}
else
{
point.Tag = null;
if (point.HasChildren)
{
checkDeletedItems(point.Children, p.Children);
}
}
}
}
checkDeletedItems(EmcosPoints, EmcosPointsFromSite);
dialog.Close();
}
}
catch (Exception ex)
{
EmcosSiteWrapperApp.Log("Получение списка точек от сервиса - ошибка");
if (dialog != null)
{
dialog.Close();
}
_window.ShowDialogError(String.Format(ErrorMessage, EmcosSiteWrapperApp.GetExceptionDetails(ex)));
}
}