vcdedit.pas

一个关于VCD销售的系统

unit vcdedit;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, ExtCtrls, Menus, ComCtrls, ToolWin, Buttons, StdCtrls, AppEvnts,
  LabelButton, TradeImage, MaskImageButton, MoveImageButton, DBCtrls, Mask;

type
  Tfrm_vcdedit = class(TForm)
    palUp: TPanel;
    palLeftUp: TPanel;
    imgLeftUp: TImage;
    palRightUp: TPanel;
    imgRightUp: TImage;
    palUpMid: TPanel;
    imgCaption: TImage;
    palDown: TPanel;
    imgLeftDown: TImage;
    imgRightDown: TImage;
    imgDownMin: TImage;
    palLeft: TPanel;
    palRight: TPanel;
    imgRight: TImage;
    imgCloseButton: TImage;
    imgMinButton: TImage;
    imgSizeButton: TImage;
    imgMaxButton: TImage;
    imgRestoreButton: TImage;
    imgSysIcon: TImage;
    popSystemMenu: TPopupMenu;
    N_Restore: TMenuItem;
    N_Max: TMenuItem;
    N_Min: TMenuItem;
    N_Move: TMenuItem;
    N_Size: TMenuItem;
    N_Speater: TMenuItem;
    N_Close: TMenuItem;
    palClient: TPanel;
    lbCaption: TLabel;
    CoolBarMenu: TCoolBar;
    ToolBarMenu: TToolBar;
    imgLeft: TImage;
    imgColorLeftUp: TImage;
    imgGrayCaption: TImage;
    imgGrayMenuBar: TImage;
    imgGrayRightUp: TImage;
    imgColorCaption: TImage;
    imgGrayLeftUp: TImage;
    imgColorRightUp: TImage;
    imgRightUp1: TImage;
    imgLeftUp1: TImage;
    imgColorMenubar: TImage;
    Label1: TLabel;
    Label2: TLabel;
    e_id: TDBEdit;
    e_lbd: TDBComboBox;
    Label3: TLabel;
    e_name: TDBEdit;
    Label4: TLabel;
    e_date: TDateTimePicker;
    Label5: TLabel;
    e_jg: TDBEdit;
    Label6: TLabel;
    e_zzdy: TDBEdit;
    Label7: TLabel;
    e_zy: TDBEdit;
    Label8: TLabel;
    Label9: TLabel;
    Label10: TLabel;
    e_hw: TDBEdit;
    Panel1: TPanel;
    b_ok: TMoveImgBtn;
    blabel_ok: TLabelBtn;
    b_exit: TMoveImgBtn;
    blabel_exit: TLabelBtn;
    e_nzzj: TDBComboBox;
    e_lzj: TDBComboBox;
    Label12: TLabel;
    Label13: TLabel;
    e_lbx: TDBComboBox;
    Label11: TLabel;
    e_yzzj: TDBComboBox;
    procedure imgMinButtonClick(Sender: TObject);
    procedure imgSizeButtonClick(Sender: TObject);
    procedure imgCloseButtonClick(Sender: TObject);
    procedure imgCaptionMouseDown(Sender: TObject; Button: TMouseButton;
      Shift: TShiftState; X, Y: Integer);
    procedure imgCaptionMouseMove(Sender: TObject; Shift: TShiftState; X,
      Y: Integer);
    procedure imgCaptionMouseUp(Sender: TObject; Button: TMouseButton;
      Shift: TShiftState; X, Y: Integer);
    procedure FormCreate(Sender: TObject);
    procedure imgSysIconMouseDown(Sender: TObject; Button: TMouseButton;
      Shift: TShiftState; X, Y: Integer);
    procedure popSystemMenuPopup(Sender: TObject);
    procedure N_SizeClick(Sender: TObject);
    procedure N_MoveClick(Sender: TObject);
    procedure FormShow(Sender: TObject);
    procedure b_okClick(Sender: TObject);
    procedure FormClose(Sender: TObject; var Action: TCloseAction);
    procedure b_exitClick(Sender: TObject);
    procedure FormKeyPress(Sender: TObject; var Key: Char);
    procedure e_hwKeyPress(Sender: TObject; var Key: Char);
    procedure e_hwEnter(Sender: TObject);
    procedure e_hwExit(Sender: TObject);
    procedure e_lbdChange(Sender: TObject);
    procedure e_lbx1Change(Sender: TObject);
    procedure e_lbxChange(Sender: TObject);
  private
    { Private declarations }
    canmove:boolean;
    curPoint:TPoint;
    oldPoint:TPoint;
    Canvas:TCanvas;
  protected
    procedure CreateParams(var Params:TCreateParams);override;
    procedure WMActivate(var Msg:TWMACTIVATE); message WM_ACTIVATE;
  public
    { Public declarations }
  end;

var
  frm_vcdedit: Tfrm_vcdedit;
  i,count:integer;//生成序号
  dlbm:string;
  xlbm:variant;//大小类别编号
implementation

uses vcdgl, datam;

{$R *.dfm}

procedure Tfrm_vcdedit.CreateParams(var Params:TCreateParams);
begin
  inherited CreateParams(Params);
  if BorderStyle<>bsNone then
    Params.Style :=WS_THICKFRAME or WS_POPUP or WS_BORDER;
end;

procedure Tfrm_vcdedit.imgMinButtonClick(Sender: TObject);
begin
  if Application.MainForm =self then
    Application.Minimize
  else
    DefWindowProc(Handle, WM_SYSCOMMAND, SC_MINIMIZE, 0);
end;

procedure Tfrm_vcdedit.imgSizeButtonClick(Sender: TObject);
begin
  if self.WindowState = wsNormal then
  begin
    DefWindowProc(Handle, WM_SYSCOMMAND, SC_MAXIMIZE, 0);
    imgSizeButton.Picture :=imgRestoreButton.Picture;
  end
  else
  begin
    DefWindowProc(Handle, WM_SYSCOMMAND, SC_RESTORE, 0);
    imgSizeButton.Picture :=imgMaxButton.Picture;
  end;

end;

procedure Tfrm_vcdedit.imgCloseButtonClick(Sender: TObject);
begin
  DefWindowProc(Handle, WM_SYSCOMMAND, SC_CLOSE, 0);
end;

procedure Tfrm_vcdedit.imgCaptionMouseDown(Sender: TObject;
  Button: TMouseButton; Shift: TShiftState; X, Y: Integer);
begin
  if (Button=mbLeft)and(ssLeft in Shift)then
  begin
    canmove:=true;
    Canvas:=TCanvas.Create;
    with Canvas do
    begin
      pen.Style :=psdot;
      brush.Style :=bsClear;
      pen.Width :=2;
      Pen.Mode :=pmNotXor;
      Handle :=GetDC(0);
      Rectangle(left,top,Left+width,top+height);
      curPoint.X :=X;
      curPoint.Y :=Y;
      oldPoint.X :=Left;
      oldPoint.Y :=Top;
    end;        //end with
  end;  //end if
end;

procedure Tfrm_vcdedit.imgCaptionMouseMove(Sender: TObject;
  Shift: TShiftState; X, Y: Integer);
begin
  if not canmove then exit;
  with Canvas do
  begin
    Rectangle(oldPoint.x,oldPoint.y,oldPoint.x+Width,oldPoint.y+Height);
    oldPoint.x :=Left +X-curPoint.x;
    oldPoint.y :=Top +Y-curPoint.y;
    Rectangle(oldPoint.x,oldPoint.y,oldPoint.x+Width,oldPoint.y+Height);
  end;
end;

procedure Tfrm_vcdedit.imgCaptionMouseUp(Sender: TObject;
  Button: TMouseButton; Shift: TShiftState; X, Y: Integer);
begin
  if not canmove then exit;
  with Canvas do
  begin
    Rectangle(oldPoint.x,oldPoint.y,oldPoint.x+Width,oldPoint.y+Height);
    Left :=oldPoint.x;
    Top :=oldPoint.y;
    Free;
  end;
  canmove:=not canmove;
end;

procedure Tfrm_vcdedit.FormCreate(Sender: TObject);
begin
  lbCaption.Caption :=Caption;
  dm.ado_lb.open;
  dm.ADO_lb.Sort:='编号';
  while not dm.ado_lb.Eof do
    begin
     e_lbx.items.add(dm.ADO_lb.fieldbyname('类别').AsString);
     dm.ADO_lb.Next;
    end;
    dm.ado_lb.close;
end;

procedure Tfrm_vcdedit.imgSysIconMouseDown(Sender: TObject;
  Button: TMouseButton; Shift: TShiftState; X, Y: Integer);
begin
  PopSystemMenu.Popup(Left+ImgSysIcon.Left,Top+ImgSysIcon.Top+ImgSysIcon.Height);
end;

procedure Tfrm_vcdedit.popSystemMenuPopup(Sender: TObject);
begin

  N_Restore.Enabled :=imgSizeButton.Visible and (WindowState =wsMaximized);
  N_Max.Enabled :=imgSizeButton.Visible and (WindowState =wsNormal);
  N_Size.Enabled :=imgSizeButton.Visible ;
  n_min.Enabled:=imgMinButton.Visible;
end;

procedure Tfrm_vcdedit.N_SizeClick(Sender: TObject);
begin
  DefWindowProc(Handle, WM_SYSCOMMAND, SC_SIZE, 0);
end;

procedure Tfrm_vcdedit.N_MoveClick(Sender: TObject);
begin
  DefWindowProc(Handle, WM_SYSCOMMAND, SC_MOVE, 0);
end;

procedure Tfrm_vcdedit.FormShow(Sender: TObject);

begin
  if WindowState=wsNormal then
    imgSizeButton.Picture.Bitmap :=imgMaxButton.Picture.Bitmap
  else if WindowState=wsMaximized then
    imgSizeButton.Picture.Bitmap :=imgRestoreButton.Picture.Bitmap;
  //生成8位序号
  if b_ok.Tag=0 then
   begin
    e_date.Date:=date();
    count := GetTickCount();
    Randomize;
    i := random(99999999);
    while (i < 10000000)  do
      i := random(99999999);
   //
    e_lbd.ItemIndex:=0;
    case e_lbd.ItemIndex of
     0:  dlbm:='10';
     1:  dlbm:='20';
     2:  dlbm:='30';
    end;
    e_lbd.Enabled:=true;
    e_lbx.Enabled:=true;
    e_lbx.Style:=csDropDownList;
    e_lbd.ItemIndex:=0;
    e_lbx.ItemIndex:=0;
    dm.ADO_lb.Open;
    xlbm:=dm.ado_lb.lookup('类别',e_lbx.Text,'编号');
    e_id.Text:=dlbm+xlbm+inttostr(i);
    dm.ADO_lb.Close;
   end
   else
    begin
     e_date.Date:=dm.ADO_vcd.fieldbyname('购入日期').AsDateTime;
     e_lbx.Text:=dm.ADO_vcd.fieldbyname('小类').AsString;
    end;
    e_name.SetFocus();
end;

procedure Tfrm_vcdedit.WMActivate(var Msg: TWMACTIVATE);
begin
  if (Msg.Active =WA_ACTIVE) or (Msg.Active =WA_CLICKACTIVE) then
  begin
    imgCaption.Picture.Bitmap :=imgColorCaption.Picture.Bitmap;
    imgLeftUp1.Picture.Bitmap :=imgColorLeftUp.Picture.Bitmap;
    imgRightUp1.Picture.Bitmap :=imgColorRightUp.Picture.Bitmap;
    coolBarMenu.Bitmap :=imgColorMenubar.Picture.Bitmap;
  end
  else begin
    imgCaption.Picture.Bitmap :=imgGrayCaption.Picture.Bitmap;
    imgLeftUp1.Picture.Bitmap :=imgGrayLeftUp.Picture.Bitmap;
    imgRightUp1.Picture.Bitmap :=imgGrayRightUp.Picture.Bitmap;
    coolBarMenu.Bitmap :=imgGrayMenubar.Picture.Bitmap;
  end;
end;

procedure Tfrm_vcdedit.b_okClick(Sender: TObject);
begin
  if e_name.Text='' then
    begin
      Application.MessageBox(PChar('图书、影碟的名称不能为空,请重新录入！')
      , PChar('提示'),MB_ICONEXCLAMATION);
      e_name.SetFocus();
      exit;
     end;
  if e_nzzj.Text=''  then
    begin
      Application.MessageBox(PChar('年证租金不能为空,请重新录入！')
      , PChar('提示'),MB_ICONEXCLAMATION);
      e_nzzj.SetFocus();
      exit;
     end;
  if e_yzzj.Text=''  then
    begin
      Application.MessageBox(PChar('月证租金不能为空,请重新录入！')
      , PChar('提示'),MB_ICONEXCLAMATION);
      e_yzzj.SetFocus();
      exit;
     end;
  if e_lzj.Text=''  then
    begin
      Application.MessageBox(PChar('零租租金不能为空,请重新录入！')
      , PChar('提示'),MB_ICONEXCLAMATION);
      e_lzj.SetFocus();
      exit;
     end;

  if b_ok.Tag=1 then dm.ADO_vcd.Edit
  else
  dm.ADO_vcd.FieldByName('状态').AsString:='未租';
    dm.ADO_vcd.fieldbyname('购入日期').AsDateTime:=strtodate(datetostr(e_date.Date));
    dm.ADO_vcd.fieldbyname('大类').Asstring:=e_lbd.Text;
    dm.ADO_vcd.fieldbyname('小类').Asstring:=e_lbx.Text;
    dm.ADO_vcd.fieldbyname('年证租金').AsVariant:=e_nzzj.Text;
    dm.ADO_vcd.fieldbyname('月证租金').AsVariant:=e_yzzj.Text;
    dm.ADO_vcd.fieldbyname('零租租金').AsVariant:=e_lzj.Text;
  try
   dm.ADO_vcd.Post;
  except
   Application.MessageBox(PChar('编号重复,请退出后重新增加！'), PChar('提示'),
      MB_ICONEXCLAMATION);
    e_name.SetFocus();
    exit;
  end;
  close;
end;

procedure Tfrm_vcdedit.FormClose(Sender: TObject;
  var Action: TCloseAction);
begin
  dm.ADO_vcd.Cancel;
  release;
end;

procedure Tfrm_vcdedit.b_exitClick(Sender: TObject);
begin
   close;
end;

procedure Tfrm_vcdedit.FormKeyPress(Sender: TObject; var Key: Char);
begin
 if key=#13 then
   begin
    key:=#0;
    perform(wm_nextdlgctl,0,0);
   end;
end;

procedure Tfrm_vcdedit.e_hwKeyPress(Sender: TObject; var Key: Char);
begin
  if key=#13 then
   begin
    b_ok.OnClick(b_ok);
   end;
end;

procedure Tfrm_vcdedit.e_hwEnter(Sender: TObject);
begin
   frm_vcdedit.KeyPreview:=false;
end;

procedure Tfrm_vcdedit.e_hwExit(Sender: TObject);
begin
   frm_vcdedit.KeyPreview:=true;
end;

procedure Tfrm_vcdedit.e_lbdChange(Sender: TObject);
begin
   case e_lbd.ItemIndex of
     0:  dlbm:='10';
     1:  dlbm:='20';
     2:  dlbm:='30';
    end;
    //dm.ADO_lb.Open;
    //xlbm:=dm.ado_lb.lookup('类别',e_lbx.Text,'编号');
    e_id.Text:=dlbm+xlbm+inttostr(i);
    //dm.ADO_lb.Close;
end;

procedure Tfrm_vcdedit.e_lbx1Change(Sender: TObject);
begin
    dm.ADO_lb.Open;
    xlbm:=dm.ado_lb.lookup('类别',e_lbx.Text,'编号');
    e_id.Text:=dlbm+xlbm+inttostr(i);
    dm.ADO_lb.Close;
end;

procedure Tfrm_vcdedit.e_lbxChange(Sender: TObject);
begin
    dm.ADO_lb.Open;
    xlbm:=dm.ado_lb.lookup('类别',e_lbx.Text,'编号');
    e_id.Text:=dlbm+xlbm+inttostr(i);
    dm.ADO_lb.Close;
end;

end.