protected override bool CanDrag(ref object data, string propertyName)
{
if (SelectedItem?.Item == null)
{
return(false);
}
Transaction transaction = SelectedItem.Item;
List <string> allowedProperties = transaction.GetNames(
() => transaction.AccountNumber,
() => transaction.Details,
() => transaction.Title,
() => transaction.CounterPartData);
List <string> lowercased = allowedProperties.Select(p => p.ToLower()).ToList();
string propertyLowerCased = propertyName.ToLower();
if (!lowercased.Contains(propertyLowerCased))
{
return(false);
}
TransactionDropDownData transactionDropDownData = new TransactionDropDownData()
{
Transaction = transaction,
PickedProperty = propertyName
};
data = transactionDropDownData;
return(true);
}
protected override void OnDragDrop(DragEventArgs dragEventArgs)
{
IDataObject data = dragEventArgs.Data;
TransactionDropDownData transactionDropDownData =
data.GetData(typeof(TransactionDropDownData)) as TransactionDropDownData;
if (transactionDropDownData.IsNullObj())
{
return;
}
DoDrop(transactionDropDownData.PickedProperty, transactionDropDownData.Transaction);
}
protected override void OnDragDrop(ITreeViewItem item, IDataObject data)
{
SubCategory subCategory = item as SubCategory;
if (subCategory.IsNullObj())
{
return;
}
TransactionDropDownData transactionDropDownData =
data.GetData(typeof(TransactionDropDownData)) as TransactionDropDownData;
if (transactionDropDownData.IsNullObj())
{
return;
}
EventTransactionDropped eventTransactionDropped = new EventTransactionDropped();
eventTransactionDropped.TransactionDropDownData = transactionDropDownData;
_aggregator.PublishEvent <EventTransactionDropped>(eventTransactionDropped);
}
protected override bool CanDrop(DragEventArgs dragEventArgs)
{
IDataObject data = dragEventArgs.Data;
if (data.IsNullObj())
{
return(false);
}
TransactionDropDownData transactionDropDownData =
data.GetData(typeof(TransactionDropDownData)) as TransactionDropDownData;
if (transactionDropDownData.IsNullObj())
{
return(false);
}
if (transactionDropDownData.Transaction.IsNullObj())
{
return(false);
}
return(true);
}