private void ItemPropertyChanged(object sender, PropertyChangedEventArgs e)
{
if (e.PropertyName == nameof(IsValid))
{
OnPropertyChanged(new PropertyChangedEventArgs(nameof(IsValid)));
}
else
{
var item = (T)sender;
if (_addedItems.Contains(item))
{
return;
}
if (item.IsChanged)
{
if (!ModifiedItems.Contains(item))
{
_modifiedItems.Add(item);
}
}
else
{
if (_modifiedItems.Contains(item))
{
_modifiedItems.Remove(item);
}
}
OnPropertyChanged(new PropertyChangedEventArgs(nameof(IsChanged)));
}
}
void OnItemPropertyChanged(object sender, PropertyChangedEventArgs e)
{
CmdrIcon item = sender as CmdrIcon;
if (item != null)
{
ModifiedItems.Add(item);
}
}
void OnItemPropertyChanged(object sender, PropertyChangedEventArgs e)
{
IOrderItem item = sender as IOrderItem;
if (item != null)
{
ModifiedItems.Add(item);
}
}
public async Task OnPostUpdateAsync(PostUpdateEvent @event, CancellationToken cancellationToken)
{
if (isActive == false)
{
return;
}
var modifiedItems = await(@event.Persister.FindModifiedAsync(@event.OldState, @event.State, @event.Entity, @event.Session, cancellationToken));
foreach (int index in modifiedItems)
{
ModifiedItems.Add(new Item
{
Index = index,
OldState = @event.OldState[index],
State = @event.State[index]
});
}
}
private void ItemObservableCollection_CollectionChanged(object sender, System.Collections.Specialized.NotifyCollectionChangedEventArgs e)
{
if (e.NewItems != null)
{
foreach (IOrderItem newItem in e.NewItems)
{
ModifiedItems.Add(newItem);
//Add listener for each item on PropertyChanged event
newItem.PropertyChanged += this.OnItemPropertyChanged;
}
}
if (e.OldItems != null)
{
foreach (IOrderItem oldItem in e.OldItems)
{
ModifiedItems.Add(oldItem);
oldItem.PropertyChanged -= this.OnItemPropertyChanged;
}
}
}
void CmdrIconsChanged(object sender, NotifyCollectionChangedEventArgs e)
{
if (e.NewItems != null)
{
foreach (CmdrIcon newItem in e.NewItems)
{
ModifiedItems.Add(newItem);
//Add listener for each item on PropertyChanged event
newItem.PropertyChanged += this.OnItemPropertyChanged;
}
}
if (e.OldItems != null)
{
foreach (CmdrIcon oldItem in e.OldItems)
{
ModifiedItems.Add(oldItem);
oldItem.PropertyChanged -= this.OnItemPropertyChanged;
}
}
}
