private void OnDragStart(DragEventArgs _)
{
_dragging = true;
// need to set the data being dragged
if (DragContext != null && KeyField != null)
{
// get all selected items
var items = new List <TItem>();
foreach (var key in Selection)
{
var item = ItemsToDisplay.Find(x => KeyField(x).ToString() == key);
if (item != null)
{
items.Add(item);
}
}
DragContext.Payload = items;
}
}
/// <summary>
/// Begins editing of the given item.
/// </summary>
public async Task BeginEditAsync()
{
if (AllowEdit && !IsEditing && SelectionMode != TableSelectionMode.None && Selection.Count == 1 && KeyField != null)
{
// find item to edit
var item = ItemsToDisplay.Find(x => KeyField(x).ToString() == Selection[0]);
if (item != null)
{
// notify and allow for cancel
EditItem = item;
_tableBeforeEditArgs = new TableBeforeEditEventArgs <TItem>(EditItem);
await InvokeAsync(async() => await BeforeEdit.InvokeAsync(_tableBeforeEditArgs).ConfigureAwait(true)).ConfigureAwait(true);
if (!_tableBeforeEditArgs.Cancel)
{
_editValues.Clear();
IsEditing = true;
BeginEditEvent.Set();
await InvokeAsync(StateHasChanged).ConfigureAwait(true);
}
}
}
}