protected override LabelEditResult OnCreatorNodeEditCommitted(int index, object value, int insertIndex)
{
var columnName = value as string;
if (!string.IsNullOrEmpty(columnName))
{
var treeGridColumns = GetColumns();
Debug.Assert(
treeGridColumns != null && treeGridColumns.Length > 0, "TreeGridColumns does not have expected number of columns");
if (treeGridColumns != null
&& treeGridColumns.Length > 0)
{
var treeGridColumn = treeGridColumns[0];
Debug.Assert(treeGridColumn != null, "First TreeGridColumn is null");
if (treeGridColumn != null)
{
var mc = new MappingCondition(_mappingStorageEntityType.Context, null, _mappingStorageEntityType);
var lovElement = mc.FindMappingLovElement(columnName, ListOfValuesCollection.FirstColumn);
// if lovElement is LovEmptyPlaceHolder then user is clicking off the 'Empty'
// entry in the drop-down list and there's nothing to insert
if (lovElement != null
&& lovElement != MappingEFElement.LovEmptyPlaceHolder)
{
treeGridColumn.SetValue(mc, lovElement);
DoBranchModification(BranchModificationEventArgs.InsertItems(this, insertIndex, 1));
return LabelEditResult.AcceptEdit;
}
}
}
}
return base.OnCreatorNodeEditCommitted(index, value, insertIndex);
}
internal override object GetCreatorElement()
{
var mc = new MappingCondition(null, null, _mappingStorageEntityType);
return mc;
}