The options object the input call. Structure:
activate [type: Boolean] - (optional) If not specified, assumed to be 'true' to activate. Specifies whether the control should go into input mode or not.
metricSet [type: dundas.entities.MetricSet] - The metric set object that is the source of the metric set binding.
metricSetBinding [type: dundas.view.controls.MetricSetBinding] - The metric set binding that is related.
elementUsage [type: dundas.data.AnalysisElementUsage] - The element usage from within the metric set that should be the one used for input.
relatedContextData [type: dundas.view.controls.RelatedContextData - (optional) If specified, indicates a measure correction should be done at the specified co-ordinates. If not specified, a contextual measure is assumed.
transform [type: dundas.data.Transform] - (optional) If specified, then all metric set properties will be ignored and the data grid will use the provided transform to do data input at the data cube level.