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/ Delphi Magazine Collection 2001 / Delphi Magazine Collection 20001 (2001).iso / DISKS / Issue59 / Arch / Extended Sample / UnitObjectEntityEmployee.pas < prev    next >
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Pascal/Delphi Source File  |  2000-06-05  |  999 b   |  52 lines
  1. unit UnitObjectEntityEmployee;
  2.  
  3. interface
  4.  
  5. uses
  6.   Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
  7.   UnitObjectEntityBase, Db, DBTables;
  8.  
  9. type
  10.   TObjectEntityEmployee = class(TObjectEntityBase)
  11.     QueryEmployee: TQuery;
  12.   private
  13.   protected
  14.     procedure InitializeObject; override;
  15.   public
  16.     function UpdatesPending: boolean; override;
  17.     procedure Save; override;
  18.     procedure Cancel; override;
  19.   end;
  20.  
  21. implementation
  22.  
  23. {$R *.DFM}
  24.  
  25. { TObjectEntityEmployee }
  26.  
  27. procedure TObjectEntityEmployee.Cancel;
  28. begin
  29.   inherited;
  30.   QueryEmployee.Cancel;
  31. end;
  32.  
  33. procedure TObjectEntityEmployee.InitializeObject;
  34. begin
  35.   inherited;
  36.   QueryEmployee.ParamByName('EmpNo').AsInteger := Key;
  37.   QueryEmployee.Open;
  38. end;
  39.  
  40. procedure TObjectEntityEmployee.Save;
  41. begin
  42.   inherited;
  43.   QueryEmployee.Post;
  44. end;
  45.  
  46. function TObjectEntityEmployee.UpdatesPending: boolean;
  47. begin
  48.   Result := (QueryEmployee.State in [dsInsert, dsEdit]);
  49. end;
  50.  
  51. end.
  52.