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unit Password;
// Copyright (C) 2003, 2004 MySQL AB
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//----------------------------------------------------------------------------------------------------------------------
//
// This dialog is used to ask for username and password for a scheduled task.
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs,
MsTask, TntForms, StdCtrls, TntStdCtrls;
type
TPasswordDialog = class(TTntForm)
TntLabel1: TTntLabel;
TntLabel2: TTntLabel;
TntLabel3: TTntLabel;
UserNameEdit: TTntEdit;
PasswordEdit: TTntEdit;
CancelButton: TTntButton;
OKButton: TTntButton;
procedure FormCreate(Sender: TObject);
public
class function DetermineUserCredentials(Task: ITask): Boolean;
end;
var
PasswordDialog: TPasswordDialog;
//----------------------------------------------------------------------------------------------------------------------
implementation
{$R *.dfm}
uses
ActiveX, AuxFuncs;
//----------------- TPasswordDialog ------------------------------------------------------------------------------------
class function TPasswordDialog.DetermineUserCredentials(Task: ITask): Boolean;
// Creates a temporary instance of the password dialog and asks for username and password.
var
Raw: PWideChar;
Buffer: array[0..1024] of WideChar;
Size: Cardinal;
begin
Result := false;
with TPasswordDialog.Create(nil) do
try
// Initialize with existing account information if any.
if Task.GetAccountInformation(Raw) = S_OK then
begin
UserNameEdit.Text := Raw;
CoTaskMemFree(Raw);
end
else
begin
Size := SizeOf(Buffer);
GetUserNameW(@Buffer, Size);
UserNameEdit.Text := Buffer;
end;
PasswordEdit.Text := '';
while True do
begin
Result := ShowModal = mrOK;
if Result then
begin
if PasswordEdit.Text = '' then
begin
if Application.MessageBox('Password field is empty. Do you want to continue?', 'Empty password', MB_YESNO) <> IDYES then
Continue;
end;
Task.SetAccountInformation(PWideChar(UserNameEdit.Text), PWideChar(PasswordEdit.Text));
Break;
end
else
Break;
end;
finally
Free;
end;
end;
//----------------------------------------------------------------------------------------------------------------------
procedure TPasswordDialog.FormCreate(Sender: TObject);
begin
InitForm(Self);
// Set the small black circle as pasword char.
PasswordEdit.PasswordChar := #$2022;
end;
//----------------------------------------------------------------------------------------------------------------------
end.
|
