private void ToggleColumnSelection(DataColumnViewModel column)
{
column.SelectionType = GetAvailableSelectionTypeFor(column);
if (IsAllRequiredColumnsSelected() == false)
{
Report = ScatterReportData.Empty;
}
NotifyColumnsChanged();
}
private SelectionType GetAvailableSelectionTypeFor(DataColumnViewModel viewmodel)
{
if (viewmodel.IsSelected)
{
return(SelectionType.NotSelected);
}
var alreadySelectedTypes = GetSelectedTypes();
Func <SelectionType, bool> notSelectedYet = type => alreadySelectedTypes.Contains(type) == false;
return(_requiredSelectionTypes.Where(notSelectedYet)
.DefaultIfEmpty(SelectionType.NotSelected)
.First());
}
