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unit Wiesenfeld;

interface

uses
  SysUtils, Math, Controls, ExtCtrls, Graphics, Classes, jpeg;

type
  TFieldState =(fsEmpty, fsCrystal, fsBottle);

  TWiesenfeld=class(TImage)
  private
    FFieldState:TFieldState;
    function GetState: TFieldState;
    procedure SetState(FieldState:TFieldState);
    procedure SetPicture(Fieldstate:TFieldstate);
  public
    property Fieldstate: TFieldState read GetState write SetState;
    Constructor Create(Owner:TComponent); override;
  end;


implementation

Constructor TWiesenfeld.Create(Owner:TComponent);
begin
  inherited Create(Owner);
  Width:=60;
  Height:=60;
  SetState(fsEmpty);
end;

function TWiesenfeld.GetState: TFieldState;
begin
  result:=FFieldstate;
end;

procedure TWiesenfeld.SetState(FieldState: TFieldState);
begin
  FFieldstate:=Fieldstate;
  SetPicture(FieldState);
  Invalidate;
end;

procedure TWiesenfeld.SetPicture(Fieldstate: TFieldState);
begin
  case FieldState of
    fsEmpty: Picture.LoadFromFile('fsEmpty.jpg');
    fsCrystal: Picture.LoadFromFile('fsCrystal.jpg');
    fsBottle: Picture.LoadFromFile('fsBottle.jpg');
  end;
end;

end.					

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procedure TWiesenfeld.SetPicture(Fieldstate: TFieldState);
var path: String;
begin
  path := ExtractFileDir(Application.Filename);
  case FieldState of
    fsEmpty: Picture.LoadFromFile(path + 'fsEmpty.jpg');
    fsCrystal: Picture.LoadFromFile(path + 'fsCrystal.jpg');
    fsBottle: Picture.LoadFromFile(path + 'fsBottle.jpg');
  end;
end;