unit DQnA;

interface

uses
  Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
  Vcl.Controls, Vcl.Forms, Vcl.Dialogs, System.ImageList, Vcl.ImgList,
  PngImageList, Vcl.ExtCtrls, Vcl.StdCtrls;

type
  TDlgQnA = class(TForm)
    imgOk: TImage;
    imgCancel: TImage;
    imgBtnList: TPngImageList;
    Label1: TLabel;
    mmQnA: TMemo;
    lbOk: TLabel;
    lbCancel: TLabel;
    procedure imgOkMouseEnter(Sender: TObject);
    procedure imgOkMouseLeave(Sender: TObject);
    procedure imgCancelClick(Sender: TObject);
    procedure imgOkClick(Sender: TObject);
  private
    { Private declarations }
    procedure SetImgBtn(imgBtn: TImage; nImgIdx: Integer);
  public
    { Public declarations }
    sMinInputMsg: String;
    ReqCmd,
    MinStrLen: Integer;
    Constructor Create(aOwner: TComponent); override;
    procedure CreateParams(var Params: TCreateParams); override; // 작업표시줄에 표시

    procedure process_WM_SYSCOMMAND(var msg: TWMSysCommand); Message WM_SYSCOMMAND;
  end;

var
  DlgQnA: TDlgQnA;

implementation

uses
  Define, Winapi.Imm, Tocsg.Trace, ProcessParam, DefineHelper, Tocsg.Strings;

resourcestring
  RS_InputText = '문의할 내용을 입력해주십시오.';

{$R *.dfm}

Constructor TDlgQnA.Create(aOwner: TComponent);
begin
  Inherited Create(aOwner);
  if aOwner = nil then
    Position := poScreenCenter;

  ReqCmd := 0;
  MinStrLen := 0;
  sMinInputMsg := '';
  Caption := APP_TITLE;
  SetImgBtn(imgOk, imgOk.Tag);
  SetImgBtn(imgCancel, imgCancel.Tag);
end;

procedure TDlgQnA.CreateParams(var Params: TCreateParams);
begin
  Inherited CreateParams(Params);
{$IFDEF _HE_}
  Params.ExStyle := WS_EX_APPWINDOW;
{$ENDIF}
end;

procedure TDlgQnA.imgCancelClick(Sender: TObject);
begin
{$IFNDEF _HE_}
  if ReqCmd <> 0 then
  begin
    gParam.SendData(ReqCmd, '');
    Close;
  end else
{$ENDIF}
    ModalResult := mrCancel;
end;

procedure TDlgQnA.imgOkClick(Sender: TObject);
begin
  mmQnA.Text := Trim(mmQnA.Text);
  if mmQnA.Text = '' then
  begin
    if ReqCmd = 0 then
      MessageBox(Handle, PChar(RS_InputText), PChar(Caption), MB_ICONWARNING or MB_OK)
    else
      MessageBox(Handle, PChar(Label1.Caption), PChar(Caption), MB_ICONWARNING or MB_OK);

    exit;
  end;

  if (MinStrLen > 0) and
     (MinStrLen > Length(StrsReplace(mmQnA.Text, [' '], ''))) then
  begin
    if sMinInputMsg = '' then
    begin
      MessageBox(Handle, PChar(Format('최소 %d글자 이상 입력해 주십시오.', [MinStrLen])),
            PChar(Caption), MB_ICONWARNING or MB_OK);
    end else begin
      MessageBox(Handle, PChar(Format(sMinInputMsg, [MinStrLen])),
            PChar(Caption), MB_ICONWARNING or MB_OK);
    end;
    exit;
  end;

{$IFDEF _HE_}
  ModalResult := mrOk;
{$ELSE}
  if ReqCmd = 0 then
    ReqCmd := HPCMD_SEND_QnA_MESSAGE;
  gParam.SendData(ReqCmd, mmQnA.Text);
  Close;
{$ENDIF}
end;

procedure TDlgQnA.imgOkMouseEnter(Sender: TObject);
var
  img: TImage;
begin
  if Sender = nil then
    exit;

  if Sender is TImage then
    img := TImage(Sender)
  else if Sender = lbOk then
    img := imgOk
  else
    img := imgCancel;

  SetImgBtn(img, img.Tag + 1);
end;

procedure TDlgQnA.imgOkMouseLeave(Sender: TObject);
var
  img: TImage;
begin
  if Sender = nil then
    exit;

  if Sender is TImage then
    img := TImage(Sender)
  else if Sender = lbOk then
    img := imgOk
  else
    img := imgCancel;

  SetImgBtn(img, img.Tag);
end;

procedure TDlgQnA.SetImgBtn(imgBtn: TImage; nImgIdx: Integer);
begin
  imgBtnList.GetIcon(nImgIdx, imgBtn.Picture.Icon);
  imgBtn.Repaint
end;

procedure TDlgQnA.process_WM_SYSCOMMAND(var msg: TWMSysCommand);
begin
  if msg.CmdType = SC_CLOSE then
  begin
  {$IFNDEF _HE_}
    if ReqCmd = 0 then
      ReqCmd := HPCMD_SEND_QnA_MESSAGE;
    gParam.SendData(ReqCmd, mmQnA.Text);
  {$ENDIF}
  end;
  Inherited;
end;

end.