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

130 lines
3.4 KiB
ObjectPascal

{******************************************}
{ }
{ FastScript v1.9 }
{ ADO classes and functions }
{ }
{ (c) 2003-2007 by Alexander Tzyganenko, }
{ Fast Reports Inc }
{ }
{******************************************}
unit FMX.fs_iadortti;
interface
{$i fs.inc}
uses
System.SysUtils, System.Classes, FMX.fs_iinterpreter, FMX.fs_itools, FMX.fs_idbrtti,
Data.DB, Data.Win.ADODB, Winapi.ADOInt, FMX.Types;
type
{$i frxPlatformsAttribute.inc}
TfsADORTTI = class(TComponent); // fake component
implementation
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
AddType('TDataType', fvtInt);
AddClass(TADOConnection, 'TComponent');
AddClass(TParameter, 'TCollectionItem');
with AddClass(TParameters, 'TCollection') do
begin
AddMethod('function AddParameter: TParameter', CallMethod);
AddDefaultProperty('Items', 'Integer', 'TParameter', CallMethod, True);
end;
with AddClass(TCustomADODataSet, 'TDataSet') do
begin
AddProperty('Sort', 'WideString', GetProp, SetProp);
end;
AddClass(TADOTable, 'TCustomADODataSet');
with AddClass(TADOQuery, 'TCustomADODataSet') do
AddMethod('procedure ExecSQL', CallMethod);
with AddClass(TADOStoredProc, 'TCustomADODataSet') do
AddMethod('procedure ExecProc', CallMethod);
end;
end;
function TFunctions.CallMethod(Instance: TObject; ClassType: TClass;
const MethodName: String; Caller: TfsMethodHelper): Variant;
begin
Result := 0;
if ClassType = TParameters then
begin
if MethodName = 'ADDPARAMETER' then
Result := frxInteger(TParameters(Instance).AddParameter)
else if MethodName = 'ITEMS.GET' then
Result := frxInteger(TParameters(Instance).Items[Caller.Params[0]])
end
else if ClassType = TADOQuery then
begin
if MethodName = 'EXECSQL' then
TADOQuery(Instance).ExecSQL
end
else if ClassType = TADOStoredProc then
begin
if MethodName = 'EXECPROC' then
TADOStoredProc(Instance).ExecProc
end
end;
function TFunctions.GetProp(Instance: TObject; ClassType: TClass;
const PropName: String): Variant;
begin
Result := 0;
if ClassType = TCustomADODataSet then
begin
if PropName = 'SORT' then
Result := TCustomADODataSet(Instance).Sort;
end
end;
procedure TFunctions.SetProp(Instance: TObject; ClassType: TClass;
const PropName: String; Value: Variant);
begin
if ClassType = TCustomADODataSet then
begin
if PropName = 'SORT' then
TCustomADODataSet(Instance).Sort := Value;
end
end;
initialization
StartClassGroup(TFmxObject);
ActivateClassGroup(TFmxObject);
GroupDescendentsWith(TfsADORTTI, TFmxObject);
fsRTTIModules.Add(TFunctions);
finalization
fsRTTIModules.Remove(TFunctions);
end.