FastReport_FMX_2.8.12/LibD28x64/FMX.frxADORTTI.pas
2024-07-06 22:41:12 +02:00

103 lines
2.6 KiB
ObjectPascal

{******************************************}
{ }
{ FastReport FMX v1.0 }
{ ADO components RTTI }
{ }
{ Copyright (c) 1998-2013 }
{ by Alexander Tzyganenko, }
{ Fast Reports Inc. }
{ }
{******************************************}
unit FMX.frxADORTTI;
interface
{$I frx.inc}
implementation
uses
System.Classes, FMX.fs_iinterpreter, FMX.frxADOComponents, FMX.fs_iadortti
, System.Variants;
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;
public
constructor Create(AScript: TfsScript); override;
end;
{ TFunctions }
constructor TFunctions.Create(AScript: TfsScript);
begin
inherited Create(AScript);
with AScript do
begin
AddEnum('TADOLockType', 'ltUnspecified, ltReadOnly, ltPessimistic, ltOptimistic, ltBatchOptimistic');
with AddClass(TfrxADODatabase, 'TfrxCustomDatabase') do
AddProperty('Database', 'TADOConnection', GetProp, nil);
with AddClass(TfrxADOTable, 'TfrxCustomTable') do
AddProperty('Table', 'TADOTable', GetProp, nil);
with AddClass(TfrxADOQuery, 'TfrxCustomQuery') do
begin
AddMethod('procedure ExecSQL', CallMethod);
AddProperty('Query', 'TADOQuery', GetProp, nil);
end;
end;
end;
function TFunctions.CallMethod(Instance: TObject; ClassType: TClass;
const MethodName: String; Caller: TfsMethodHelper): Variant;
begin
Result := 0;
if ClassType = TfrxADOQuery then
begin
if MethodName = 'EXECSQL' then
begin
TfrxADOQuery(Instance).UpdateParams;
TfrxADOQuery(Instance).Query.ExecSQL
end
end
end;
function TFunctions.GetProp(Instance: TObject; ClassType: TClass;
const PropName: String): Variant;
begin
Result := 0;
if ClassType = TfrxADODatabase then
begin
if PropName = 'DATABASE' then
Result := frxInteger(TfrxADODatabase(Instance).Database)
end
else if ClassType = TfrxADOTable then
begin
if PropName = 'TABLE' then
Result := frxInteger(TfrxADOTable(Instance).Table)
end
else if ClassType = TfrxADOQuery then
begin
if PropName = 'QUERY' then
Result := frxInteger(TfrxADOQuery(Instance).Query)
end
end;
initialization
fsRTTIModules.Add(TFunctions);
finalization
fsRTTIModules.Remove(TFunctions);
end.