private void OnElementSelected(PieceOfClothing obj)//Not very straightforward...
{
//if selected object is equal to null (for example when updating the list) we might try to put the previously selected item.
if (obj == null && temporaryItem != null)
{
//if the previous item is on the current list then select it.
if (ClothesList.Exists(x => x.Id == temporaryItem.Id))
{
CurrentItem = ClothesList.Find(x => x.Id == temporaryItem.Id);
}
//if the previously selected item is not on the list then just display nothing.
else
{
CurrentItem = obj;
}
}
//if currently selected object is existing the go for it.
else
{
CurrentItem = obj;
}
//notify other objects via event aggragation.
PieceOfClothingChangedEvent evt = eventAggregator.GetEvent <PieceOfClothingChangedEvent>();
evt.Publish(CurrentItem);
}
public ClothesDetailedViewModel(IEventAggregator eventAggregator)
{
//Use the event aggregation to catch the newly selected item on the list
this.eventAggregator = eventAggregator;
PieceOfClothingChangedEvent evt =
eventAggregator.GetEvent <PieceOfClothingChangedEvent>();
evt.Subscribe(OnCurrentItemChanged, true);
}
public ClothesDetailsLowerButtonsBarViewModel(IEventAggregator eventAggregator, IClothesServices clothesService)
{
this.clothesService = clothesService;
this.eventAggregator = eventAggregator;
DisplayDeleteConfirmation = false;
InvokePropertyChanged("DisplayPreDeleteButton");
timer = new Timer(2000);
timer.Elapsed += Timer_Elapsed;
PieceOfClothingChangedEvent evt =
eventAggregator.GetEvent <PieceOfClothingChangedEvent>();
evt.Subscribe(OnCurrentItemChanged, true);
}
public ClothesDetailsActionButtonsViewModel(IEventAggregator eventAggregator,
IUnityContainer container,
IRegionManager regionManager,
IClothesServices clothesService,
ClothesEditViewModelFactory viewModelFactory)
{
//Use the event aggregation to catch the newly selected item on the list
this.eventAggregator = eventAggregator;
PieceOfClothingChangedEvent evt =
eventAggregator.GetEvent <PieceOfClothingChangedEvent>();
evt.Subscribe(OnCurrentItemChanged, true);
//Register the injected fields
this.container = container;
this.regionManager = regionManager;
this.clothesService = clothesService;
this.editViewModelFactory = viewModelFactory;
}
