unit changeunt;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, StdCtrls, Buttons, Grids, BaseGrid, AdvGrid, ExtCtrls;

type
  Tchangefrm = class(TForm)
    Label4: TLabel;
    Label3: TLabel;
    Label5: TLabel;
    Label6: TLabel;
    Bevel1: TBevel;
    Label1: TLabel;
    Label2: TLabel;
    GroupBox1: TGroupBox;
    Label13: TLabel;
    Edit1: TEdit;
    Label14: TLabel;
    Edit2: TEdit;
    Label12: TLabel;
    Label15: TLabel;
    AdvStringGrid1: TAdvStringGrid;
    Edit3: TEdit;
    Label7: TLabel;
    Label8: TLabel;
    Label9: TLabel;
    Label10: TLabel;
    Label11: TLabel;
    GroupBox2: TGroupBox;
    Label16: TLabel;
    Label17: TLabel;
    Label18: TLabel;
    Label19: TLabel;
    Label20: TLabel;
    AdvStringGrid2: TAdvStringGrid;
    Edit4: TEdit;
    BitBtn8: TBitBtn;
    BitBtn1: TBitBtn;
    BitBtn7: TBitBtn;
    BitBtn6: TBitBtn;
    Label21: TLabel;
    Edit5: TEdit;
    Timer1: TTimer;
    procedure FormActivate(Sender: TObject);
    procedure AdvStringGrid1DrawCell(Sender: TObject; ACol, ARow: Integer;
      Rect: TRect; State: TGridDrawState);
    procedure Edit3Enter(Sender: TObject);
    procedure Edit3Exit(Sender: TObject);
    procedure Edit2Exit(Sender: TObject);
    procedure Edit4Exit(Sender: TObject);
    procedure Edit2Enter(Sender: TObject);
    procedure Edit4Enter(Sender: TObject);
    procedure Edit3KeyPress(Sender: TObject; var Key: Char);
    procedure Edit4KeyPress(Sender: TObject; var Key: Char);
    procedure FormClose(Sender: TObject; var Action: TCloseAction);
    procedure BitBtn8Click(Sender: TObject);
    procedure AdvStringGrid2DrawCell(Sender: TObject; ACol, ARow: Integer;
      Rect: TRect; State: TGridDrawState);
    procedure BitBtn7Click(Sender: TObject);
    procedure Timer1Timer(Sender: TObject);
    procedure BitBtn6Click(Sender: TObject);
    procedure BitBtn1Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  changefrm: Tchangefrm;

implementation
uses data,datam,maind, mainunt;
var
 hhno,yhno:integer;
{$R *.dfm}

procedure Tchangefrm.FormActivate(Sender: TObject);
var
i:integer;
begin
    Label6.caption:=create_change_no('changem');
    hhno:=1;
    yhno:=1;
    label4.Caption:=formatdatetime('yyyy-mm-dd',date);
    advstringgrid1.Cells[1,0]:='商品條形碼';
    advstringgrid1.Cells[2,0]:='單價';
    advstringgrid1.Cells[3,0]:='數量';
    advstringgrid1.Cells[4,0]:='金額';
    advstringgrid2.Cells[1,0]:='商品條形碼';
    advstringgrid2.Cells[2,0]:='單價';
    advstringgrid2.Cells[3,0]:='數量';
    advstringgrid2.Cells[4,0]:='金額';
    for i:=1 to 5 do
     begin
      advstringgrid1.Cells[0,i]:=inttostr(i);
      advstringgrid2.Cells[0,i]:=inttostr(i);
     end;
    edit1.Text:='0';
    edit2.Text:='';
    edit3.Text:='';
    edit4.Text:='';
    label10.Caption:='0';
    label11.Caption:='0';
    label20.Caption:='0';
    label19.Caption:='0';
    label12.Caption:='';
    edit5.Text:=main.Edit8.Text;
    edit2.SetFocus;
end;

procedure Tchangefrm.AdvStringGrid1DrawCell(Sender: TObject; ACol,
  ARow: Integer; Rect: TRect; State: TGridDrawState);
var
 s:string;
 r:TRect;
  begin
 with advStringGrid1 do
   begin
     Canvas.FillRect(Rect);
     if ACol = 4 then
       begin
        Canvas.Font.Color := clred;
        canvas.Font.Style:=[fsBold];
       end;
     s:=Cells[ACol,ARow];
     r:=Rect;
     DrawText(Canvas.Handle,PChar(s),Length(s),r,DT_CENTER or DT_SINGLELINE or DT_VCENTER);
  end;
end;

procedure Tchangefrm.Edit3Enter(Sender: TObject);
begin
Edit3.Color:=clSkyBlue;
end;

procedure Tchangefrm.Edit3Exit(Sender: TObject);
begin
Edit3.color:=clWindow;
end;

procedure Tchangefrm.Edit2Exit(Sender: TObject);
begin
  Edit2.color:=clWindow;
  if trim(edit2.Text)<>'' then
   begin
    with dataman.thmainQuery do
     begin
      close;
      sql.Clear;
      sql.Add('select 打折比例 from menber where VIP卡號='''+edit2.Text+'''');
      open;
      if not isempty then
      label12.Caption:=floattostr(fields[0].value)
      else
      begin
      showmessage('沒有這位'+edit2.Text+'會員');
      edit2.SetFocus;
      end;
     end;
    end;
end;

procedure Tchangefrm.Edit4Exit(Sender: TObject);
begin
Edit4.color:=clWindow;
end;

procedure Tchangefrm.Edit2Enter(Sender: TObject);
begin
Edit2.Color:=clSkyBlue;
end;

procedure Tchangefrm.Edit4Enter(Sender: TObject);
begin
Edit2.Color:=clSkyBlue;
end;

procedure Tchangefrm.Edit3KeyPress(Sender: TObject; var Key: Char);
var
  i:integer;
begin
    if trim(edit3.Text)='' then exit;
    if not (key in ['0'..'9',#8,#39,#13]) then key:=#0;
    if key=#13 then
    begin
    with dataman.thmainQuery do
      begin
        close;
        sql.Clear;
        sql.Add('select distinct 單價 from kc where 貨物條形碼='''+edit3.text+'''');
        open;
      end;
    if dataman.thmainQuery.IsEmpty then
      begin
      showmessage('庫存里沒有'+trim(edit3.text)+'商品');
      edit3.SelectAll;
      edit3.SetFocus;
      end
    else
     begin
     //第一條記錄
       if advstringgrid1.Cells[1,1]='' then
        begin
        advstringgrid1.Cells[1,hhno]:=trim(edit3.Text);
        advstringgrid1.Cells[2,hhno]:=floattostr(dataman.thmainQuery.Fields[0].value);
        advstringgrid1.Cells[3,hhno]:='1';
        yhno:=yhno+1;
        edit3.Text:='';
        end
        else
     //不是第一條記錄
          begin
           for i:=1 to 5 do
            begin
             if advstringgrid1.Cells[1,i]='' then break;
             if trim(edit3.Text)=advstringgrid1.Cells[1,i] then
               begin
                  advstringgrid1.Cells[3,i]:=inttostr(strtoint(trim(advstringgrid1.Cells[3,i]))+1);
                  edit3.Text:='';
                  break;
                  exit;
               end
             else
               begin
                 advstringgrid1.Cells[1,hhno]:=trim(edit3.Text);
                 advstringgrid1.Cells[2,hhno]:=floattostr(dataman.thmainQuery.Fields[0].value);
                 advstringgrid1.Cells[3,hhno]:='1';
                 yhno:=yhno+1;
                 edit3.Text:='';
               end;
            end;
      end;
   end;
   end;
end;

procedure Tchangefrm.Edit4KeyPress(Sender: TObject; var Key: Char);
var
  i:integer;
begin
    if trim(edit4.Text)='' then exit;
    if not (key in ['0'..'9',#8,#39,#13]) then key:=#0;
    if key=#13 then
    begin
    with dataman.thmainQuery do
      begin
        close;
        sql.Clear;
        sql.Add('select distinct 單價 from kc where 貨物條形碼='''+edit4.text+'''');
        open;
      end;
    if dataman.thmainQuery.IsEmpty then
      begin
      showmessage('庫存里沒有'+trim(edit4.text)+'商品');
      edit4.SelectAll;
      edit4.SetFocus;
      end
    else
     begin
     //第一條記錄
       if advstringgrid2.Cells[1,1]='' then
        begin
        advstringgrid2.Cells[1,hhno]:=trim(edit4.Text);
        advstringgrid2.Cells[2,hhno]:=floattostr(dataman.thmainQuery.Fields[0].value);
        advstringgrid2.Cells[3,hhno]:='1';
        //advstringgrid1.Cells[5,i]:='';
        hhno:=hhno+1;
        edit4.Text:='';
        end
        else
     //不是第一條記錄
          begin
           for i:=1 to 5 do
            begin
             if advstringgrid2.Cells[1,i]='' then break;
             if trim(edit4.Text)=advstringgrid2.Cells[1,i] then