FastReport_FMX_2.8.12/LibD28/fs_idbctrlsrtti.pas
2024-07-06 22:41:12 +02:00

190 lines
5.4 KiB
ObjectPascal

{******************************************}
{ }
{ FastScript v1.9 }
{ DB controls }
{ }
{ (c) 2003-2007 by Alexander Tzyganenko, }
{ Fast Reports Inc }
{ }
{******************************************}
unit fs_idbctrlsrtti;
interface
{$i fs.inc}
uses
SysUtils, Classes, fs_iinterpreter, fs_itools, fs_iformsrtti, fs_idbrtti, DB
{$IFDEF CLX}
, QDBCtrls, QDBGrids
{$ELSE}
, DBCtrls, DBGrids
{$ENDIF}
{$IFDEF DELPHI16}, Controls{$ENDIF};
type
{$i frxPlatformsAttribute.inc}
TfsDBCtrlsRTTI = class(TComponent); // fake component
implementation
type
{$IFNDEF FPC}
THackDBLookupControl = class(TDBLookupControl);
{$ENDIF}
TFunctions = class(TfsRTTIModule)
private
function CallMethod(Instance: TObject; ClassType: TClass;
const MethodName: String; Caller: TfsMethodHelper): Variant;
function GetProp(Instance: TObject; ClassType: TClass;
const PropName: String): Variant;
procedure SetProp(Instance: TObject; ClassType: TClass;
const PropName: String; Value: Variant);
public
constructor Create(AScript: TfsScript); override;
end;
{ TFunctions }
constructor TFunctions.Create(AScript: TfsScript);
begin
inherited Create(AScript);
with AScript do
begin
AddEnumSet('TButtonSet', 'nbFirst, nbPrior, nbNext, nbLast,' +
'nbInsert, nbDelete, nbEdit, nbPost, nbCancel, nbRefresh');
AddEnum('TColumnButtonStyle', 'cbsAuto, cbsEllipsis, cbsNone');
AddEnumSet('TDBGridOptions', 'dgEditing, dgAlwaysShowEditor, dgTitles,' +
'dgIndicator, dgColumnResize, dgColLines, dgRowLines, dgTabs, dgRowSelect,' +
'dgAlwaysShowSelection, dgConfirmDelete, dgCancelOnExit, dgMultiSelect');
AddClass(TDBEdit, 'TWinControl');
AddClass(TDBText, 'TGraphicControl');
with AddClass(TDBCheckBox, 'TWinControl') do
AddProperty('Checked', 'Boolean', GetProp, nil);
with AddClass(TDBComboBox, 'TCustomComboBox') do
AddProperty('Text', 'String', GetProp, nil);
AddClass(TDBListBox, 'TCustomListBox');
with AddClass(TDBRadioGroup, 'TWinControl') do
begin
AddProperty('ItemIndex', 'Integer', GetProp, nil);
AddProperty('Value', 'String', GetProp, nil);
end;
AddClass(TDBMemo, 'TWinControl');
AddClass(TDBImage, 'TCustomControl');
AddClass(TDBNavigator, 'TWinControl');
{$IFNDEF FPC}
with AddClass(TDBLookupControl, 'TCustomControl') do
AddProperty('KeyValue', 'Variant', GetProp, SetProp);
with AddClass(TDBLookupListBox, 'TDBLookupControl') do
AddProperty('SelectedItem', 'String', GetProp, nil);
with AddClass(TDBLookupComboBox, 'TDBLookupControl') do
AddProperty('Text', 'String', GetProp, nil);
{$ENDIF}
AddClass(TColumnTitle, 'TPersistent');
AddClass(TColumn, 'TPersistent');
with AddClass(TDBGridColumns, 'TCollection') do
begin
AddMethod('function Add: TColumn', CallMethod);
AddMethod('procedure RebuildColumns', CallMethod);
AddMethod('procedure RestoreDefaults', CallMethod);
AddDefaultProperty('Items', 'Integer', 'TColumn', CallMethod, True);
end;
AddClass(TDBGrid, 'TWinControl');
end;
end;
function TFunctions.CallMethod(Instance: TObject; ClassType: TClass;
const MethodName: String; Caller: TfsMethodHelper): Variant;
begin
Result := 0;
if ClassType = TDBGridColumns then
begin
if MethodName = 'ADD' then
Result := frxInteger(TDBGridColumns(Instance).Add)
else if MethodName = 'ITEMS.GET' then
Result := frxInteger(TDBGridColumns(Instance).Items[Caller.Params[0]])
{$IFNDEF FPC}
else if MethodName = 'REBUILDCOLUMNS' then
TDBGridColumns(Instance).RebuildColumns
else if MethodName = 'RESTOREDEFAULTS' then
TDBGridColumns(Instance).RestoreDefaults
{$ENDIF}
end
end;
function TFunctions.GetProp(Instance: TObject; ClassType: TClass;
const PropName: String): Variant;
begin
Result := 0;
if ClassType = TDBCheckBox then
begin
if PropName = 'CHECKED' then
Result := TDBCheckBox(Instance).Checked
end
else if ClassType = TDBComboBox then
begin
if PropName = 'TEXT' then
Result := TDBComboBox(Instance).Text
end
else if ClassType = TDBRadioGroup then
begin
if PropName = 'ITEMINDEX' then
Result := TDBRadioGroup(Instance).ItemIndex
else if PropName = 'VALUE' then
Result := TDBRadioGroup(Instance).Value
end
{$IFNDEF FPC}
else if ClassType = TDBLookupControl then
begin
if PropName = 'KEYVALUE' then
Result := THackDBLookupControl(Instance).KeyValue
end
else if ClassType = TDBLookupListBox then
begin
if PropName = 'SELECTEDITEM' then
Result := TDBLookupListBox(Instance).SelectedItem
end
else if ClassType = TDBLookupComboBox then
begin
if PropName = 'TEXT' then
Result := TDBLookupComboBox(Instance).Text
end
{$ENDIF}
end;
procedure TFunctions.SetProp(Instance: TObject; ClassType: TClass;
const PropName: String; Value: Variant);
begin
{$IFNDEF FPC}
if ClassType = TDBLookupControl then
begin
if PropName = 'KEYVALUE' then
THackDBLookupControl(Instance).KeyValue := Value
end
{$ENDIF}
end;
initialization
{$IFDEF Delphi16}
StartClassGroup(TControl);
ActivateClassGroup(TControl);
GroupDescendentsWith(TfsDBCtrlsRTTI, TControl);
{$ENDIF}
fsRTTIModules.Add(TFunctions);
finalization
fsRTTIModules.Remove(TFunctions);
end.