/// <summary>
/// Adds client total calculator that produces count of rows
/// </summary>
/// <param name="conf">Configuration</param>
/// <param name="column">Table column to provide total with</param>
/// <param name="clientDataSet">Client data set to perform calculations on</param>
/// <param name="template">Tempalte for total cell</param>
/// <returns></returns>
public static TotalCalculatorBuilder <TSourceData, TTableData> AddClientCount <TSourceData, TTableData, TTableColumn>(
this TotalCalculatorBuilder <TSourceData, TTableData> conf,
Expression <Func <TTableData, TTableColumn> > column,
ClientDataSet clientDataSet,
Action <CellTemplateBuilder> template = null
) where TTableData : new()
{
var name = LambdaHelpers.ParsePropertyLambda(column).Name;
var function = string.Format("function(v){{ return v.{0}.length; }}", clientDataSet);
conf.ClientCalculators.Add(name, function);
if (template != null)
{
conf.AddTemplate(column, template);
}
return(conf);
}
/// <summary>
/// Adds client total calculator that produces maximum of supplied row values
/// </summary>
/// <param name="conf">Configuration</param>
/// <param name="column">Table column to provide total with</param>
/// <param name="expression">`{@}`-syntax expression minimum of which will be found</param>
/// <param name="clientDataSet">Client data set to perform calculations on</param>
/// <param name="template">Tempalte for total cell</param>
/// <returns></returns>
public static TotalCalculatorBuilder <TSourceData, TTableData> AddClientMax <TSourceData, TTableData, TTableColumn>(
this TotalCalculatorBuilder <TSourceData, TTableData> conf,
Expression <Func <TTableData, TTableColumn> > column,
string expression,
ClientDataSet clientDataSet,
Action <CellTemplateBuilder> template = null
) where TTableData : new()
{
var name = LambdaHelpers.ParsePropertyLambda(column).Name;
var function = CreateExtremumFunction(expression, true, clientDataSet);
conf.ClientCalculators.Add(name, function);
if (template != null)
{
conf.AddTemplate(column, template);
}
return(conf);
}
/// <summary>
/// Provides table with totals row representing subtotals for particular columns
/// </summary>
/// <param name="calculators">Totals calculator builder</param>
/// <param name="showOnTop">When true, totals line will be shown before data on current page. When false, it will be shown on the bottom of them</param>
/// <returns></returns>
public static Configurator <TSourceData, TTableData> Totals <TSourceData, TTableData>(
this Configurator <TSourceData, TTableData> conf,
Action <TotalCalculatorBuilder <TSourceData, TTableData> > calculators,
bool showOnTop = false
) where TTableData : new()
{
TotalCalculatorBuilder <TSourceData, TTableData> calc = new TotalCalculatorBuilder <TSourceData, TTableData>();
calculators(calc);
TotalClientConfiguration tcc = new TotalClientConfiguration()
{
ShowOnTop = showOnTop,
ColumnsValueFunctions = calc.ValueFunctions.ToDictionary(c => c.Key, v => v.Value != null ? new JRaw(v.Value) : null),
ColumnsCalculatorFunctions = calc.ClientCalculators.ToDictionary(c => c.Key, v => v.Value != null ? new JRaw(v.Value) : null)
};
conf.TableConfiguration.ReplacePluginConfig(PluginId, tcc);
var trr = new TotalResponseModifier <TSourceData, TTableData>(calc);
conf.RegisterResponseModifier(trr);
return(conf);
}
public TotalResponseModifier(TotalCalculatorBuilder <TSourceData, TTableData> calculator)
{
_calculator = calculator;
}