u_matricsubjectaction.pas

一个简单的学籍管理软件

unit U_MatricSubjectAction;

interface

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

type
  TFm_MatricSubjectAction = class(TForm)
    Label1: TLabel;
    Ed_Code: TEdit;
    Label2: TLabel;
    Ed_Name: TEdit;
    Btn_Ok: TButton;
    Btn_Cancel: TButton;
    Bevel1: TBevel;
    procedure Btn_OkClick(Sender: TObject);
    procedure Ed_NameKeyDown(Sender: TObject; var Key: Word;
      Shift: TShiftState);
    procedure FormKeyDown(Sender: TObject; var Key: Word;
      Shift: TShiftState);
  private
  public
  end;

function Show_MatricSubjectAction(var pCode, pName: string;
  Actions: integer): Boolean;
implementation

uses U_GlobalVar, U_GlobalProc;
{$R *.DFM}

function Show_MatricSubjectAction(var pCode, pName: string;
  Actions: integer): Boolean;
var
  Fm_MatricSubjectAction: TFm_MatricSubjectAction;
begin
  Result := False;
  Fm_MatricSubjectAction := TFm_MatricSubjectAction.Create(Application);
  with Fm_MatricSubjectAction do
  try
    case Actions of
      1: Caption := Caption + ' — 增加一个考试科目';
      2: Caption := Caption + ' — 修改当前考试科目';
    end;
    Ed_Code.Text := pCode;
    Ed_Name.Text := pName;
    if ShowModal = mrOk then
    begin
      //pCode := Ed_Code.Text;
      pName := Ed_Name.Text;
      Result := True;
    end;
  finally
    Free;
  end;
end;

procedure TFm_MatricSubjectAction.Btn_OkClick(Sender: TObject);
begin
  if Length(Ed_Name.Text) < 4 then
  begin
    MessageBeep(0);
    U_GlobalProc.Show_ErrorMess('科目长度不能小于 4 位。');
    Ed_Name.SetFocus;
    Exit;
  end;
  ModalResult := mrOk;
end;

procedure TFm_MatricSubjectAction.Ed_NameKeyDown(Sender: TObject; var Key: Word;
  Shift: TShiftState);
begin
  if (Key = VK_RETURN) and (Shift = []) then
    SelectNext(ActiveControl, True, True);
end;

procedure TFm_MatricSubjectAction.FormKeyDown(Sender: TObject;
  var Key: Word; Shift: TShiftState);
begin
  if (Key = VK_ESCAPE) and (Shift = []) then
    ModalResult := mrCancel;
end;

end.