/// <summary>
/// Load Data Transfer All. Violate SRP.
/// </summary>
/// <returns></returns>
private async Task <IEnumerable <Dto> > LoadDtoAll()
{
IEnumerable <Dto> list = null;
try
{
HelperView?.Clear();
var countItem = await _helperDataServices.GetItemsCount <Entity>();
var currentList = new IncrementalList <Dto>(LoadMoreItems)
{
MaxItemCount = countItem
};
var tmplist = await _helperDataServices.GetPagedSummaryDoAsync <Dto, Entity>(1, PageSize);
HelperView = currentList;
HelperView.LoadItems(tmplist);
list = currentList;
}
catch (Exception e)
{
throw new DataLayerException(e.Message, e);
}
if (list == null)
{
return(null);
}
return(list);
}
/// <summary>
/// Конструктор
/// </summary>
/// <param name="parPlatform">Объект платформы</param>
public HelperController(Platform parPlatform)
{
_helper = new Helper();
View = new HelperView(parPlatform, _helper);
_helper.Initialize();
parPlatform.EscDown += OnEscDown;
}
/// <summary>
/// Update the value.
/// </summary>
protected virtual void Update()
{
HelperView = LoadView();
if (HelperView != null)
{
PreviousValue = CurrentValue;
CurrentValue = HelperView.FirstOrDefault();
}
}
/// <summary>
/// Element to delete the entity
/// </summary>
/// <param name="payLoad">Payload to be deleted</param>
/// <returns></returns>
public override async Task <bool> DeleteEntity(DataPayLoad payLoad)
{
var cv = CurrentValue;
bool entityDeleted = false;
if (cv != null)
{
entityDeleted = await DataServices.GetHelperDataServices()
.ExecuteAsyncDelete <Dto, Entity>(cv);
if (entityDeleted)
{
HelperView.Remove(cv);
HelperDto = HelperView.FirstOrDefault();
//Update();
}
else
{
MessageBox.Show("Error deleting item");
}
}
return(entityDeleted);
}
/// <summary>
/// Update.
/// </summary>
protected override void Update()
{
HelperView = LoadView();
PreviousValue = CurrentValue;
CurrentValue = HelperView.FirstOrDefault();
}
internal void ShowTeachingTips() => HelperView.ShowTeachingTips(GaugeView.TeachingTipTarget, JournalView.TeachingTipTarget);