FastReport_FMX_2.8.12/Source/FMX.frxCrossRTTI.pas
2024-07-06 22:41:12 +02:00

141 lines
4.5 KiB
ObjectPascal

{******************************************}
{ }
{ FastReport v4.0 }
{ Cross-tab RTTI }
{ }
{ Copyright (c) 1998-2008 }
{ by Alexander Tzyganenko, }
{ Fast Reports Inc. }
{ }
{******************************************}
unit FMX.frxCrossRTTI;
interface
{$I frx.inc}
implementation
uses
System.Classes, System.SysUtils, FMX.Forms, FMX.fs_iinterpreter, FMX.frxCross, FMX.frxClassRTTI,
System.Variants, System.Types;
type
TFunctions = class(TfsRTTIModule)
private
function CallMethod(Instance: TObject; ClassType: TClass;
const MethodName: String; Caller: TfsMethodHelper): Variant;
function GetProp(Instance: TObject; ClassType: TClass;
const PropName: String): Variant;
procedure SetProp(Instance: TObject; ClassType: TClass;
const PropName: String; Value: Variant);
public
constructor Create(AScript: TfsScript); override;
end;
{ TFunctions }
constructor TFunctions.Create(AScript: TfsScript);
begin
inherited Create(AScript);
with AScript do
begin
AddEnum('TfrxCrossFunction', 'cfNone, cfSum, cfMin, cfMax, cfAvg, cfCount');
with AddClass(TfrxCustomCrossView, 'TfrxView') do
begin
AddMethod('procedure AddValue(Rows, Columns, Cells: array)', CallMethod);
AddMethod('procedure BeginMatrix', CallMethod);
AddMethod('function ColCount: Integer', CallMethod);
AddMethod('function RowCount: Integer', CallMethod);
AddMethod('function IsGrandTotalColumn(Index: Integer): Boolean', CallMethod);
AddMethod('function IsGrandTotalRow(Index: Integer): Boolean', CallMethod);
AddMethod('function IsTotalColumn(Index: Integer): Boolean', CallMethod);
AddMethod('function IsTotalRow(Index: Integer): Boolean', CallMethod);
AddProperty('ClearBeforePrint', 'Boolean', GetProp, SetProp);
AddIndexProperty('CellFunctions', 'Integer', 'TfrxCrossFunction', CallMethod);
end;
AddClass(TfrxCrossView, 'TfrxCustomCrossView');
AddClass(TfrxDBCrossView, 'TfrxCustomCrossView');
end;
end;
function TFunctions.CallMethod(Instance: TObject; ClassType: TClass;
const MethodName: String; Caller: TfsMethodHelper): Variant;
var
ar: array[0..2] of array of Variant;
_TfrxCustomCrossView: TfrxCustomCrossView;
procedure ConvertVariantToArray(v: Variant; Index: Integer);
var
i: Integer;
begin
SetLength(ar[Index], VarArrayHighBound(v, 1) + 1);
for i := 0 to VarArrayHighBound(v, 1) do
ar[Index][i] := v[i];
end;
begin
Result := 0;
_TfrxCustomCrossView := TfrxCustomCrossView(Instance);
if MethodName = 'ADDVALUE' then
begin
ConvertVariantToArray(Caller.Params[0], 0);
ConvertVariantToArray(Caller.Params[1], 1);
ConvertVariantToArray(Caller.Params[2], 2);
_TfrxCustomCrossView.AddValue(ar[0], ar[1], ar[2]);
ar[0] := nil;
ar[1] := nil;
ar[2] := nil;
end
else if MethodName = 'BEGINMATRIX' then
_TfrxCustomCrossView.BeginMatrix
else if MethodName = 'COLCOUNT' then
Result := _TfrxCustomCrossView.ColCount
else if MethodName = 'ROWCOUNT' then
Result := _TfrxCustomCrossView.RowCount
else if MethodName = 'ISGRANDTOTALCOLUMN' then
Result := _TfrxCustomCrossView.IsGrandTotalColumn(Caller.Params[0])
else if MethodName = 'ISGRANDTOTALROW' then
Result := _TfrxCustomCrossView.IsGrandTotalRow(Caller.Params[0])
else if MethodName = 'ISTOTALCOLUMN' then
Result := _TfrxCustomCrossView.IsTotalColumn(Caller.Params[0])
else if MethodName = 'ISTOTALROW' then
Result := _TfrxCustomCrossView.IsTotalRow(Caller.Params[0])
else if MethodName = 'CELLFUNCTIONS.GET' then
Result := _TfrxCustomCrossView.CellFunctions[Caller.Params[0]]
else if MethodName = 'CELLFUNCTIONS.SET' then
_TfrxCustomCrossView.CellFunctions[Caller.Params[0]] := TfrxCrossFunction(Caller.Params[1])
end;
function TFunctions.GetProp(Instance: TObject; ClassType: TClass;
const PropName: String): Variant;
begin
Result := 0;
if PropName = 'CLEARBEFOREPRINT' then
Result := TfrxCustomCrossView(Instance).ClearBeforePrint
end;
procedure TFunctions.SetProp(Instance: TObject; ClassType: TClass;
const PropName: String; Value: Variant);
begin
if PropName = 'CLEARBEFOREPRINT' then
TfrxCustomCrossView(Instance).ClearBeforePrint := Value;
end;
initialization
fsRTTIModules.Add(TFunctions);
finalization
if fsRTTIModules <> nil then
fsRTTIModules.Remove(TFunctions);
end.