unit SetPass;

interface

uses
  Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
  StdCtrls, Buttons, DB, DBTables, ExtCtrls, ADODB;

type
  TfrmSetPass = class(TForm)
    bbtn: TBitBtn;
    bbtnCancel: TBitBtn;
    GroupBox1: TGroupBox;
    lblUserName: TLabel;
    lblOldPass: TLabel;
    lblNewPass: TLabel;
    lblConfirmPass: TLabel;
    edtOldPass: TEdit;
    edtNewPass: TEdit;
    edtConfirmPass: TEdit;
    edtUserName: TEdit;
    Label1: TLabel;
    EditName: TEdit;
    ADOTablePassword: TADOTable;
    procedure bbtnClick(Sender: TObject);
    procedure bbtnCancelClick(Sender: TObject);
    procedure FormActivate(Sender: TObject);
    procedure FormCreate(Sender: TObject);
    procedure edtUserNameChange(Sender: TObject);
    procedure FormKeyPress(Sender: TObject; var Key: Char);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  frmSetPass: TfrmSetPass;

implementation

uses
PDataModuleMain, PPublic;

{$R *.DFM}

procedure TfrmSetPass.bbtnClick(Sender: TObject);
begin
  with ADOTablePassword do
  begin
    if EditName.Text='' then
    begin
      Application.MessageBox('無此用戶。','提示',MB_OK);
      Exit;
    end;

    if edtOldPass.Text<>trim(ADOTablePassword.FindField('AMPassword').AsString) then
    begin
      Application.MessageBox('原口令錯誤。','提示',MB_OK);
      Exit;
    end;


    if edtNewPass.Text<>edtConfirmPass.Text then
    begin
      Application.MessageBox('新口令不一致。','提示',MB_OK);
      edtNewPass.SetFocus;
      Exit;
    end;
    ADOTablePassword.Edit;
    ADOTablePassword.FieldByName('AMPassword').AsString:=edtNewPass.Text;
    ADOTablePassword.Post;
  end;
  Close;
end;

procedure TfrmSetPass.bbtnCancelClick(Sender: TObject);
begin
  Close;
end;

procedure TfrmSetPass.FormActivate(Sender: TObject);
begin
  edtUserName.Text:=UserCode;
  if edtUserName.Text='' then
    edtUserName.SetFocus
  else
    edtOldPass.SetFocus;
end;

procedure TfrmSetPass.FormCreate(Sender: TObject);
begin
    try
        ADOTablePassword.Connection:=DataModuleMain.ADOConnectionBarCode;
        ADOTablePassword.TableName:='Users';
        ADOTablePassword.Open;
    except
        Application.MessageBox('錯誤','錯誤',MB_OKCANCEL);
        Application.Terminate;
    end;
end;

procedure TfrmSetPass.edtUserNameChange(Sender: TObject);
begin
    ADOTablePassword.Close;
    ADOTablePassword.Filter := 'AMCode= ''' +edtUserName.Text+'''';
    ADOTablePassword.Open;
    if not ADOTablePassword.Eof  then
        EditName.Text := ADOTablePassword.FindField('AMName').AsString
    else
        EditName.Text := '';
end;

procedure TfrmSetPass.FormKeyPress(Sender: TObject; var Key: Char);
begin
    if Key=#13 then
    begin
        SelectNext(ActiveControl,True,True);
        Key:=#0;
    end;
end;

end.