wh320unit.pas

货物配送管理系统对配送服务

unit WH320Unit;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, PublicUnit, jpeg, ExtCtrls, Grids, DBGrids, StdCtrls, Mask,
  DBCtrls;

type
  TWH320Form = class(TPublicUnit)
    Panel1: TPanel;
    Label1: TLabel;
    DBEdit1: TDBEdit;
    Button7: TButton;
    Panel2: TPanel;
    DBGrid1: TDBGrid;
    Panel3: TPanel;
    Button1: TButton;
    Button2: TButton;
    Button3: TButton;
    Button4: TButton;
    Button5: TButton;
    Button6: TButton;
    Label2: TLabel;
    Label3: TLabel;
    Label4: TLabel;
    Label5: TLabel;
    DBEdit2: TDBEdit;
    DBEdit3: TDBEdit;
    DBEdit4: TDBEdit;
    DBEdit5: TDBEdit;
    procedure DBEdit5KeyPress(Sender: TObject; var Key: Char);
    procedure Button1Click(Sender: TObject);
    procedure Button2Click(Sender: TObject);
    procedure Button3Click(Sender: TObject);
    procedure Button4Click(Sender: TObject);
    procedure Button5Click(Sender: TObject);
    procedure FormShow(Sender: TObject);
  private
    procedure CLS; // 清除控件内容
    procedure ENA; // 所有控件可用
    procedure DIS; //  所有控件不可用
    { Private declarations }
  public
    { Public declarations }
  end;

var
  WH320Form: TWH320Form;

implementation

uses DMUnit, main;
{$R *.dfm}

procedure TWH320Form.CLS;
var
  i: Integer;
begin
  for i := ComponentCount - 1 downto 0 do
  begin // 清除所有的TDBEdit控件的内容
    if (Components[i] is TDBEDIT) then
      TDBEDIT(components[i]).Clear;
  end;

end;

procedure TWH320Form.ENA; // 新增记录的时候使所有的控件可用
var
  i: Integer;
begin
  for i := ComponentCount - 1 downto 0 do
  begin
    if (components[i] is TDBEdit) then
    begin // 使所有的TEdit控件可用
      TDBEdit(components[i]).Color := clwindow;
      TDBEdit(components[i]).ReadOnly := false;
    end;
  end;
  Button1.Enabled := False; //  '新增'不可用
  Button2.Enabled := False; //  '编辑'不可用
  Button3.Enabled := True; //  '储存'可用
  Button4.Enabled := True; //  '取消'可用
end;

procedure TWH320Form.DIS;
var
  i: Integer;
begin
  for i := ComponentCount - 1 downto 0 do
  begin // 使所有的TDBEdit控件不可用
    if (components[i] is TDBEdit) then
    begin //  改变TDBEdit控件的颜色
      TDBEdit(components[i]).Color := $00D8D8D8;
      TDBEdit(components[i]).ReadOnly := true;
    end;
  end;
  Button1.Enabled := True; //  '新增'可用
  Button2.Enabled := True; //  '编辑'可用
  Button3.Enabled := False; //  '储存'不可用
  Button4.Enabled := False; //  '取消'不可用
end;

procedure TWH320Form.DBEdit5KeyPress(Sender: TObject; var Key: Char);
begin
  inherited;
  if (Key = #13) then
  begin // 当敲回车键的时候，继续新增记录
    Button3.Click;
    Button1.Click;
  end;
end;

procedure TWH320Form.Button1Click(Sender: TObject);
begin
  inherited;
  CLS;
  ENA;
  DM.WTDW.Append; //加入新的记录，补入'创建日期'和'操作员'
  DM.WTDW.FieldByName('创建日期').AsDateTime := Now;
  DM.WTDW.FieldByName('操作员').AsString := MainForm.Auser.UserName;
end;

procedure TWH320Form.Button2Click(Sender: TObject);
begin
  inherited;
  ENA;
  DM.WTDW.Edit;
end;

procedure TWH320Form.Button3Click(Sender: TObject);
begin
  inherited;
  DIS;
  DM.WTDW.Post;
end;

procedure TWH320Form.Button4Click(Sender: TObject);
begin
  inherited;
  DIS;
  DM.WTDW.Cancel;
end;

procedure TWH320Form.Button5Click(Sender: TObject);
begin
  inherited;
  if MessageBox(0, '你确定删除该条记录', '提示', MB_YESNO + MB_ICONQUESTION) =
    IDYES then
  begin
    DM.WTDW.Delete;
  end;
end;

procedure TWH320Form.FormShow(Sender: TObject);
begin
  inherited;
  DIS;
end;

end.