102 lines
2.6 KiB
ObjectPascal
102 lines
2.6 KiB
ObjectPascal
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{******************************************}
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{ }
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{ FastReport VCL }
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{ ADO components 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 frxADORTTI;
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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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Windows, Types, Classes, fs_iinterpreter, frxADOComponents, fs_iadortti, 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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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('TADOLockType', 'ltUnspecified, ltReadOnly, ltPessimistic, ltOptimistic, ltBatchOptimistic');
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with AddClass(TfrxADODatabase, 'TfrxCustomDatabase') do
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AddProperty('Database', 'TADOConnection', GetProp, nil);
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with AddClass(TfrxADOTable, 'TfrxCustomTable') do
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AddProperty('Table', 'TADOTable', GetProp, nil);
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with AddClass(TfrxADOQuery, 'TfrxCustomQuery') do
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begin
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AddMethod('procedure ExecSQL', CallMethod);
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AddProperty('Query', 'TADOQuery', GetProp, nil);
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end;
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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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begin
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Result := 0;
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if ClassType = TfrxADOQuery then
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begin
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if MethodName = 'EXECSQL' then
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begin
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TfrxADOQuery(Instance).UpdateParams;
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TfrxADOQuery(Instance).Query.ExecSQL
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end
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end
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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 ClassType = TfrxADODatabase then
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begin
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if PropName = 'DATABASE' then
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Result := frxInteger(TfrxADODatabase(Instance).Database)
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end
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else if ClassType = TfrxADOTable then
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begin
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if PropName = 'TABLE' then
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Result := frxInteger(TfrxADOTable(Instance).Table)
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end
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else if ClassType = TfrxADOQuery then
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begin
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if PropName = 'QUERY' then
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Result := frxInteger(TfrxADOQuery(Instance).Query)
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end
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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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