private void OrdersGrid_BeginningEdit(object sender, DataGridBeginningEditEventArgs e)
{
if ((string)e.Column.Header == "Trade")
{
//make sure the popup isn't too big, otherwise items can be hidden in small resolutions
OrdersGridTradePickerPopup.Height = Math.Min(600, OrdersGrid.ActualHeight - 100);
var order = (Order)OrdersGrid.SelectedItem;
//if this order belongs to a closed trade, disallow editing
if (order.Trade != null && order.Trade.Open == false)
{
e.Cancel = true;
return;
}
//Fill it
TradePickerListBox.ItemsSource = Context
.Trades
.Where(x => x.Open)
.OrderBy(x => x.Name)
.ToList()
.Select(
x => new CheckListItem <Trade>(x))
.ToList();
//make sure the currently selected trade is checked
if (order.Trade != null)
{
foreach (CheckListItem <Trade> item in TradePickerListBox.Items)
{
item.IsChecked = order.Trade.ID == item.Item.ID;
}
}
//and open it at the right position
OrdersGridTradePickerPopup.PlacementTarget = OrdersGrid.GetCell(e.Row.GetIndex(), e.Column.DisplayIndex);
OrdersGridTradePickerPopup.IsOpen = true;
}
}
