/// <summary>
/// Creates the cross reference source field.
/// </summary>
/// <param name="field">The field.</param>
/// <param name="owner">The owner.</param>
/// <returns>SourceField.</returns>
private static SourceField CreateCrossReferenceSourceField(FieldEdit field, ExpressionObjectBase owner)
{
var dataType = field.IsSingleCrossReference()
? NodeDataType.CrossReference
: NodeDataType.List;
var requiredStep = (CrossRefRequiredStepEdit)field.StepList.FirstOrDefault(s => s is CrossRefRequiredStepEdit);
IExpressionFieldsRetriever subfieldsRetriever = null;
if (requiredStep != null && requiredStep.CrossRefProcessId.HasValue)
{
subfieldsRetriever = new CrossReferenceSubfieldsRetriever(requiredStep.CrossRefProcessId.Value, CanBeSourceField, CreateSourceField);
}
var sf = new SourceField(owner)
{
DataType = dataType,
Name = field.Name,
ConnectorOut = { DataType = dataType, Name = field.Name },
SystemName = field.SystemName,
SetName = SourceFieldSetNames.DataTriggerSourceItem,
SubfieldsRetriever = subfieldsRetriever
};
return sf;
}
/// <summary>
/// Creates the cross reference destination field.
/// </summary>
/// <param name="field">The field.</param>
/// <param name="owner">The owner.</param>
/// <returns>DestinationField.</returns>
private static DestinationField CreateCrossReferenceDestinationField(FieldEdit field, ExpressionObjectBase owner)
{
var isSingleRef = field.IsSingleCrossReference();
var df = new DestinationField(owner)
{
DataType = NodeDataType.CrossReference,
Name = field.Name,
ConnectorIn = { DataType = NodeDataType.CrossReference, Name = field.Name },
SystemName = field.SystemName,
SetName = SourceFieldSetNames.Item,
IsKeyVisible = true,
IsKeyEnabled = isSingleRef,
SubfieldsRetriever = new CrossReferenceSubfieldsRetriever(field)
};
return df;
}
/// <summary>
/// Gets a value indicating whether the specified field can be a source field.
/// </summary>
/// <param name="field">The field to check.</param>
/// <returns>Returns true if <paramref name="field" /> can be a source field.</returns>
private static bool CanBeSourceField(FieldEdit field)
{
return field.IsSingleCrossReference() || field.IsMultiCrossReference();
}