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RxCloseFormvalidate - add OnValidate event for item custom validate rule

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git-svn-id: https://svn.code.sf.net/p/lazarus-ccr/svn@2761 8e941d3f-bd1b-0410-a28a-d453659cc2b4
This commit is contained in:
alexs75 2013-07-09 18:46:44 +00:00
parent fa1ffd579f
commit eeb03913ca
1 changed files with 33 additions and 23 deletions
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56
components/rx/rxcloseformvalidator.pas
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@ -39,6 +39,9 @@ uses
Classes, SysUtils, LResources, Forms, Controls, Graphics, Dialogs, DB;
type
TRxCloseFormValidator = class;
TValidateEvent = procedure(AOwner:TRxCloseFormValidator; AControl:TWinControl; var Validate:boolean) of object;
{ TValidateItem }
@ -47,6 +50,7 @@ type
FControl: TWinControl;
FEnabled: boolean;
FFieldCaption: string;
FOnValidate: TValidateEvent;
procedure SetControl(AValue: TWinControl);
procedure SetEnabled(AValue: boolean);
procedure SetFieldCaption(AValue: string);
@ -63,6 +67,7 @@ type
property Control:TWinControl read FControl write SetControl;
property Enabled:boolean read FEnabled write SetEnabled default true;
property FieldCaption:string read FFieldCaption write SetFieldCaption;
property OnValidate:TValidateEvent read FOnValidate write FOnValidate;
end;
{ TValidateItems }
@ -72,7 +77,6 @@ type
function GetItems(Index: Integer): TValidateItem;
procedure SetItems(Index: Integer; AValue: TValidateItem);
public
//constructor Create();
property Items[Index: Integer]: TValidateItem read GetItems write SetItems; default;
end;
@ -237,29 +241,35 @@ var
begin
Result:=true;
if not Assigned(FControl) then exit;
if FControl = AForm.ActiveControl then
begin
AForm.SelectNext(FControl, true, true);
end;
//Сначала проверим - вдруги это завязки на работу с БД
PI1:=GetPropInfo(Control, 'DataSource');
PI2:=GetPropInfo(Control, 'DataField');
if Assigned(PI1) and Assigned(PI2) then
begin
//Точно - БД
//Проверка выполняется если только указан источник данных и поле в нём
P:=GetObjectProp(Control, 'DataSource');
FiName:=GetPropValue(Control, 'DataField');
if Assigned(P) and (FiName<>'') then
begin
DS:=(P as TDataSource).DataSet;
if Assigned(DS) then
Result:=not DS.FieldByName(FiName).IsNull;
end;
end
if Assigned(FOnValidate) then
FOnValidate( TRxCloseFormValidator(TValidateItems(Collection).Owner), FControl, Result)
else
if Control is TCustomEdit then
Result:=TCustomEdit(Control).Text<>'';
begin
if FControl = AForm.ActiveControl then
begin
AForm.SelectNext(FControl, true, true);
end;
//Сначала проверим - вдруги это завязки на работу с БД
PI1:=GetPropInfo(Control, 'DataSource');
PI2:=GetPropInfo(Control, 'DataField');
if Assigned(PI1) and Assigned(PI2) then
begin
//Точно - БД
//Проверка выполняется если только указан источник данных и поле в нём
P:=GetObjectProp(Control, 'DataSource');
FiName:=GetPropValue(Control, 'DataField');
if Assigned(P) and (FiName<>'') then
begin
DS:=(P as TDataSource).DataSet;
if Assigned(DS) then
Result:=not DS.FieldByName(FiName).IsNull;
end;
end
else
if Control is TCustomEdit then
Result:=TCustomEdit(Control).Text<>'';
end;
end;
function TValidateItem.ErrorMessage: string;