/// <summary>
/// Remove the specified token from the list.
/// </summary>
/// <param name="item">Item in the list to delete</param>
/// <param name="data">data </param>
/// <remarks>
/// the data parameter is passed in optionally to support UX UTs. When running in the UT the Container items are not manifest.
/// </remarks>
/// <returns><b>true</b> if the item was removed successfully, <b>false</b> otherwise</returns>
private async Task <bool> RemoveTokenAsync(TokenizingTextBoxItem item, object data = null)
{
if (data == null)
{
data = ItemFromContainer(item);
}
if (TokenItemRemoving != null)
{
var tirea = new TokenItemRemovingEventArgs(data, item);
await TokenItemRemoving.InvokeAsync(this, tirea);
if (tirea.Cancel)
{
return(false);
}
}
_innerItemsSource.Remove(data);
TokenItemRemoved?.Invoke(this, data);
GuardAgainstPlaceholderTextLayoutIssue();
return(true);
}
private async Task RemoveToken(TokenizingTextBoxItem item)
{
var data = ItemFromContainer(item);
if (TokenItemRemoving != null)
{
var tirea = new TokenItemRemovingEventArgs(data, item);
await TokenItemRemoving.InvokeAsync(this, tirea);
if (tirea.Cancel)
{
return;
}
}
_innerItemsSource.Remove(data);
TokenItemRemoved?.Invoke(this, data);
}
private void RemoveToken(TokenizingTextBoxItem item)
{
var tirea = new TokenItemRemovedEventArgs(item?.Content, item);
TokenItemRemoved?.Invoke(this, tirea);
if (tirea.Cancel)
{
return;
}
SelectedItems.Remove(item.Content);
var itemIndex = Math.Max(_wrapPanel.Children.IndexOf(item) - 1, 0);
_wrapPanel.Children.Remove(item);
if (_wrapPanel.Children[itemIndex] is Control control)
{
control.Focus(FocusState.Programmatic);
}
}