private void CollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
{
if (e.NewItems != null)
{
if (AddedItems == null)
{
AddedItems = new List <object>(e.NewItems.Count);
}
foreach (var item in e.NewItems)
{
AddedItems.Add(item);
}
}
if (e.OldItems != null)
{
if (RemovedItems == null)
{
RemovedItems = new List <object>(e.OldItems.Count);
}
foreach (var item in e.OldItems)
{
RemovedItems.Add(item);
}
}
}
private void RaiseLanguageRemoveInteractionRequest(GeneralLanguage selectedItem)
{
var confirmation = new ConditionalConfirmation
{
Title = "Remove confirmation".Localize(null, LocalizationScope.DefaultCategory),
Content = string.Format("Are you sure you want to remove Language '{0}'?".Localize(), selectedItem.LanguageCode)
};
LanguageCommonConfirmRequest.Raise(confirmation,
(x) =>
{
if (x.Confirmed)
{
if (AddedItems.Contains(selectedItem))
{
AddedItems.Remove(selectedItem);
}
else
{
if (UpdatedItems.Contains(selectedItem))
{
UpdatedItems.Remove(selectedItem);
}
RemovedItems.Add(selectedItem);
}
InnerItems.Remove(selectedItem);
}
});
}
/// <summary>
/// Rebuild the binding chain to establish property change monitoring,
/// additionally setting up collection change event listening on the
/// source object (if it is a collection)
/// </summary>
public override void RefreshBinding()
{
base.RefreshBinding();
object newValue = GetBoundValue();
if (newValue != _Collection)
{
// Remove collectionchanged event watcher:
if (_Collection != null)
{
_Collection.CollectionChanged -= CollectionChanged;
if (_Collection is IEnumerable)
{
// Remove items from the old collection:
var enumerable = (IEnumerable)_Collection;
if (RemovedItems == null)
{
RemovedItems = new List <object>();
}
foreach (var item in enumerable)
{
RemovedItems.Add(item);
}
}
}
// Add collectionchanged event watcher:
if (newValue != null && newValue is INotifyCollectionChanged)
{
var newCollection = (INotifyCollectionChanged)newValue;
newCollection.CollectionChanged += CollectionChanged;
_Collection = newCollection;
if (newCollection is IEnumerable)
{
// Add items from the new collection:
var enumerable = (IEnumerable)newCollection;
if (AddedItems == null)
{
AddedItems = new List <object>();
}
foreach (var item in enumerable)
{
AddedItems.Add(item);
}
}
}
else
{
_Collection = null;
}
}
}
private async Task RemoveItems()
{
if (SelectedItems.Count > 0)
{
for (int i = SelectedItems.Count; i > 0; i--)
{
if (SelectedItems[i - 1].FileId > 0)
{
//if saved, add it to RemovedItems collection for further removal
RemovedItems.Add(SelectedItems[i - 1]);
}
Items.Remove(SelectedItems[i - 1]);
SelectedItems.Remove(SelectedItems[i - 1]);
}
}
}
public void Remove(T item)
{
if (AddedItems.Contains(item))
{
AddedItems.Remove(item);
}
else
{
if (UpdatedItems.Contains(item))
{
UpdatedItems.Remove(item);
}
RemovedItems.Add(item);
}
InnerItems.Remove(item);
item.PropertyChanged -= OnPropertyChanged;
}
/// <summary>
/// Currents the items collection changed.
/// </summary>
/// <param name="sender">The sender.</param>
/// <param name="e">The <see cref="System.Collections.Specialized.NotifyCollectionChangedEventArgs"/> instance containing the event data.</param>
private void CurrentItemsCollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
{
CollectionChanged(sender, e);
if (e.Action == NotifyCollectionChangedAction.Remove)
{
foreach (var oldItem in e.OldItems)
{
var oldItemT = ( T )oldItem;
RemovedItems.Add(oldItemT);
}
if (SoftDeleted != null)
{
SoftDeleted(this, new SoftDeletedEventArgs(e.OldItems));
}
}
}
private void RemoveItemPricing()
{
if (listBox1.SelectedItem != null)
{
int index = listBox1.SelectedIndex;
FormattedListBoxItem pricing = (FormattedListBoxItem)listBox1.SelectedItem;
ItemPricingModel model = (ItemPricingModel)pricing.ReferenceObject;
if (model.Id == 0)
{
NewItems.Remove(model);
}
else
{
RemovedItems.Add(model);
}
listBox1.Items.Remove(pricing);
ClearFields();
DoChangedValueEvent();
InitializeListBox(index);
}
}
