/// <summary>
/// Gets a single report parameter value from the filter
/// </summary>
/// <param name="parameterName">The parameter name</param>
/// <returns>The parameter value</returns>
public ReportFilterParameterValue GetParameterValue
(
string parameterName
)
{
Validate.IsNotEmpty(parameterName);
var value = _parameterValues.FirstOrDefault
(
p => p.Name.Equals(parameterName, StringComparison.OrdinalIgnoreCase)
);
if (value == null)
{
var definition = GetDefinition
(
parameterName
);
var allParameterValues = GetParameterValuesAsDictionary();
var lookupParameterValues = CompileLookupParameterValues
(
parameterName,
allParameterValues
);
value = new ReportFilterParameterValue
(
definition,
definition.Parameter.DefaultValue,
lookupParameterValues
);
}
return(value);
}
/// <summary>
/// Sets a single report filter parameter value
/// </summary>
/// <param name="parameterName">The parameter name</param>
/// <param name="valueToSet">The value to set</param>
/// <param name="isConstrained">True, if the parameter is constrained</param>
/// <param name="constraintValue">The constrained value</param>
/// <param name="lookupParameterValues">The lookup parameter values</param>
private void SetParameterValue
(
string parameterName,
object valueToSet,
bool isConstrained = false,
object constraintValue = null,
params ParameterValue[] lookupParameterValues
)
{
Validate.IsNotEmpty(parameterName);
var parameterValue = _parameterValues.FirstOrDefault
(
p => p.Name.Equals(parameterName, StringComparison.OrdinalIgnoreCase)
);
if (parameterValue != null)
{
if (valueToSet == null)
{
valueToSet = parameterValue.Parameter.DefaultValue;
}
parameterValue.SetValue
(
valueToSet,
lookupParameterValues
);
}
else
{
var definition = GetDefinition
(
parameterName
);
parameterValue = new ReportFilterParameterValue
(
definition,
valueToSet,
lookupParameterValues
);
_parameterValues.Add
(
parameterValue
);
}
if (isConstrained)
{
var definition = parameterValue.Definition;
if (definition.Parameter.HasLookup)
{
parameterValue.AutoFilterLookupItemsForConstraint
(
constraintValue
);
var valueAllowed = parameterValue.HasLookupItem
(
valueToSet
);
if (false == valueAllowed)
{
parameterValue.ResetValue();
}
// NOTE:
// Auto hide the parameter if one or less lookup items are available
if (parameterValue.LookupItems.Length <= 1)
{
definition.Hide();
}
}
else
{
parameterValue.SetValue
(
constraintValue,
lookupParameterValues
);
definition.Hide();
}
}
}
