//=====================================================================
// IsValid(IInputExchangeItem inputExchangeItem, IOutputExchangeItem outputExchangeItem,
// IDataOperation[] SelectedDataOperations): bool
//=====================================================================
/// <summary>
/// For a given combination of inputExchangeItem, outputExchangeItem and list of dataOperation
/// it is decided if the dataOperations constitutes a valid set seen from a spatial settings
/// point of view.
/// </summary>
/// <param name="inputExchangeItem">The input exchange item</param>
/// <param name="outputExchangeItem">The output exchange item</param>
/// <param name="SelectedDataOperations">List of selected dataOperations</param>
public override bool IsValid(IInputExchangeItem inputExchangeItem, IOutputExchangeItem outputExchangeItem, IDataOperation[] SelectedDataOperations)
{
bool returnValue = true;
bool methodAvaileble = false;
ElementMapper elementMapper = new ElementMapper();
foreach (string idString in elementMapper.GetIDsForAvailableDataOperations(outputExchangeItem.ElementSet.ElementType, inputExchangeItem.ElementSet.ElementType))
{
if (ID == idString)
{
methodAvaileble = true;
}
}
if (!methodAvaileble)
{
return(false);
}
// --- check that only one SpatialMapping dataoperation is selected. ---
int numberOfSelectedSpatialMappingDataOperations = 0;
foreach (IDataOperation dataOperation in SelectedDataOperations)
{
for (int i = 0; i < dataOperation.ArgumentCount; i++)
{
if (dataOperation.GetArgument(i).Id == "Type")
{
if (dataOperation.GetArgument(i).Value == "SpatialMapping")
{
numberOfSelectedSpatialMappingDataOperations++; //this counting is done to check if the same dataOpertion is added twise
if (dataOperation.ID != ID) //the selected dataoperation must be this dataOperation
{
returnValue = false; //the selected dataoperation must be this
}
}
}
}
}
if (numberOfSelectedSpatialMappingDataOperations > 1)
{
returnValue = false;
}
return(returnValue);
}