140 lines
4.5 KiB
ObjectPascal
140 lines
4.5 KiB
ObjectPascal
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{******************************************}
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{ }
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{ FastReport VCL }
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{ Cross-tab RTTI }
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{ }
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{ Copyright (c) 1998-2021 }
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{ by Fast Reports Inc. }
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{ }
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{******************************************}
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unit frxCrossRTTI;
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interface
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{$I frx.inc}
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implementation
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uses
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{$IFNDEF FPC}Windows,{$ENDIF} Types, Classes, SysUtils, Forms, fs_iinterpreter,
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frxCross, frxClassRTTI, Variants;
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type
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TFunctions = class(TfsRTTIModule)
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private
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function CallMethod(Instance: TObject; ClassType: TClass;
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const MethodName: String; Caller: TfsMethodHelper): Variant;
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function GetProp(Instance: TObject; ClassType: TClass;
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const PropName: String): Variant;
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procedure SetProp(Instance: TObject; ClassType: TClass;
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const PropName: String; Value: Variant);
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public
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constructor Create(AScript: TfsScript); override;
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end;
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{ TFunctions }
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constructor TFunctions.Create(AScript: TfsScript);
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begin
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inherited Create(AScript);
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with AScript do
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begin
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AddEnum('TfrxCrossFunction', 'cfNone, cfSum, cfMin, cfMax, cfAvg, cfCount');
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with AddClass(TfrxCustomCrossView, 'TfrxView') do
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begin
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AddMethod('procedure AddValue(Rows, Columns, Cells: array)', CallMethod);
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AddMethod('procedure BeginMatrix', CallMethod);
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AddMethod('function ColCount: Integer', CallMethod);
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AddMethod('function RowCount: Integer', CallMethod);
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AddMethod('function IsGrandTotalColumn(Index: Integer): Boolean', CallMethod);
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AddMethod('function IsGrandTotalRow(Index: Integer): Boolean', CallMethod);
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AddMethod('function IsTotalColumn(Index: Integer): Boolean', CallMethod);
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AddMethod('function IsTotalRow(Index: Integer): Boolean', CallMethod);
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AddProperty('ClearBeforePrint', 'Boolean', GetProp, SetProp);
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AddIndexProperty('CellFunctions', 'Integer', 'TfrxCrossFunction', CallMethod);
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end;
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AddClass(TfrxCrossView, 'TfrxCustomCrossView');
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AddClass(TfrxDBCrossView, 'TfrxCustomCrossView');
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end;
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end;
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function TFunctions.CallMethod(Instance: TObject; ClassType: TClass;
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const MethodName: String; Caller: TfsMethodHelper): Variant;
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var
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ar: array[0..2] of array of Variant;
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_TfrxCustomCrossView: TfrxCustomCrossView;
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procedure ConvertVariantToArray(v: Variant; Index: Integer);
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var
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i: Integer;
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begin
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SetLength(ar[Index], VarArrayHighBound(v, 1) + 1);
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for i := 0 to VarArrayHighBound(v, 1) do
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ar[Index][i] := v[i];
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end;
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begin
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Result := 0;
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_TfrxCustomCrossView := TfrxCustomCrossView(Instance);
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if MethodName = 'ADDVALUE' then
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begin
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ConvertVariantToArray(Caller.Params[0], 0);
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ConvertVariantToArray(Caller.Params[1], 1);
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ConvertVariantToArray(Caller.Params[2], 2);
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_TfrxCustomCrossView.AddValue(ar[0], ar[1], ar[2]);
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ar[0] := nil;
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ar[1] := nil;
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ar[2] := nil;
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end
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else if MethodName = 'BEGINMATRIX' then
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_TfrxCustomCrossView.BeginMatrix
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else if MethodName = 'COLCOUNT' then
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Result := _TfrxCustomCrossView.ColCount
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else if MethodName = 'ROWCOUNT' then
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Result := _TfrxCustomCrossView.RowCount
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else if MethodName = 'ISGRANDTOTALCOLUMN' then
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Result := _TfrxCustomCrossView.IsGrandTotalColumn(Caller.Params[0])
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else if MethodName = 'ISGRANDTOTALROW' then
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Result := _TfrxCustomCrossView.IsGrandTotalRow(Caller.Params[0])
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else if MethodName = 'ISTOTALCOLUMN' then
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Result := _TfrxCustomCrossView.IsTotalColumn(Caller.Params[0])
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else if MethodName = 'ISTOTALROW' then
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Result := _TfrxCustomCrossView.IsTotalRow(Caller.Params[0])
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else if MethodName = 'CELLFUNCTIONS.GET' then
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Result := _TfrxCustomCrossView.CellFunctions[Caller.Params[0]]
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else if MethodName = 'CELLFUNCTIONS.SET' then
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_TfrxCustomCrossView.CellFunctions[Caller.Params[0]] := TfrxCrossFunction(Caller.Params[1])
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end;
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function TFunctions.GetProp(Instance: TObject; ClassType: TClass;
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const PropName: String): Variant;
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begin
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Result := 0;
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if PropName = 'CLEARBEFOREPRINT' then
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Result := TfrxCustomCrossView(Instance).ClearBeforePrint
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end;
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procedure TFunctions.SetProp(Instance: TObject; ClassType: TClass;
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const PropName: String; Value: Variant);
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begin
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if PropName = 'CLEARBEFOREPRINT' then
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TfrxCustomCrossView(Instance).ClearBeforePrint := Value;
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end;
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initialization
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fsRTTIModules.Add(TFunctions);
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finalization
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if fsRTTIModules <> nil then
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fsRTTIModules.Remove(TFunctions);
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end.
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