unit uViewArticulo;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, uViewBase, ExtCtrls, StdCtrls, Buttons, DB, uDADataTable,
  DBCtrls, Grids, DBGrids, uBizArticulos, Mask, ComCtrls, uCustomView,
  JvComponent, JvFormAutoSize, cxControls, cxContainer, cxEdit, cxTextEdit,
  cxDBEdit, dxLayoutControl, cxCheckBox, PngSpeedButton, cxImage, ActnList,
  ImgList, PngImageList, cxGraphics, cxMaskEdit, cxDropDownEdit,
  uFamiliasController;

type
  IViewArticulo = interface(IViewBase)
  ['{65206152-786D-47AE-A037-5EF480BC056C}']
    function GetArticulo: IBizArticulo;
    procedure SetArticulo(const Value: IBizArticulo);
    property Articulo: IBizArticulo read GetArticulo write SetArticulo;
  end;

  TfrViewArticulo = class(TfrViewBase, IViewArticulo)
    dsViewArticulo: TDADataSource;
    dxLayoutControlArticuloGroup_Root: TdxLayoutGroup;
    dxLayoutControlArticulo: TdxLayoutControl;
    dxLayoutControlArticuloGroup1: TdxLayoutGroup;
    dxLayoutControlArticuloItem3: TdxLayoutItem;
    eReferencia: TcxDBTextEdit;
    dxLayoutControlArticuloItem8: TdxLayoutItem;
    eDescripcion: TcxDBTextEdit;
    dxLayoutControlArticuloGroup2: TdxLayoutGroup;
    dxLayoutControlArticuloItem1: TdxLayoutItem;
    eNoComisionable: TcxDBCheckBox;
    dxLayoutControlArticuloGroup4: TdxLayoutGroup;
    OpenDialog1: TOpenDialog;
    SmallImages: TPngImageList;
    ActionList1: TActionList;
    actAnadir: TAction;
    actEliminar: TAction;
    dxLayoutControlArticuloItem2: TdxLayoutItem;
    PngSpeedButton2: TPngSpeedButton;
    dxLayoutControlArticuloItem5: TdxLayoutItem;
    PngSpeedButton1: TPngSpeedButton;
    dxLayoutControlArticuloGroup3: TdxLayoutGroup;
    dxLayoutControlArticuloGroup7: TdxLayoutGroup;
    eImagen: TcxImage;
    dxLayoutControlArticuloItem6: TdxLayoutItem;
    dxLayoutControlArticuloGroup5: TdxLayoutGroup;
    dxLayoutControlArticuloItem4: TdxLayoutItem;
    cbFamilia: TcxDBComboBox;
    dxLayoutControlArticuloGroup6: TdxLayoutGroup;
    procedure actEliminarExecute(Sender: TObject);
    procedure actAnadirExecute(Sender: TObject);
    procedure cbFamiliaPropertiesInitPopup(Sender: TObject);
    procedure CustomViewCreate(Sender: TObject);
    procedure CustomViewDestroy(Sender: TObject);
    procedure cbFamiliaPropertiesValidate(Sender: TObject;
      var DisplayValue: Variant; var ErrorText: TCaption; var Error: Boolean);
  private
    procedure CargarImagen;
    procedure SalvarImagen;
  protected
    FFamiliasController: IFamiliasController;
    FArticulo: IBizArticulo;
    function GetArticulo: IBizArticulo;
    procedure SetArticulo(const Value: IBizArticulo); virtual;
  public
    property Articulo: IBizArticulo read GetArticulo write SetArticulo;
  end;

implementation

uses uDataModuleArticulos, uSistemaFunc, uBizFamilias;

{$R *.dfm}


{ TfrViewArticulos }

{
******************************* TfrViewArticulos ********************************
}

procedure TfrViewArticulo.actAnadirExecute(Sender: TObject);
begin
{  eImagen.LoadFromFile;
  SalvarImagen;}
end;

procedure TfrViewArticulo.actEliminarExecute(Sender: TObject);
begin
  inherited;
{  eImagen.Clear;
  FArticulo.QuitarImagen;}
end;

procedure TfrViewArticulo.CargarImagen;
var
  aAux : String;
begin
  if FArticulo.HayImagen then
  begin
    aAux := DarFicheroJPGTemporal;
    try
      FArticulo.SalvarImagen(aAux);
      try
        eImagen.Picture.LoadFromFile(aAux);
      except
        //
      end;
    finally
      DeleteFile(aAux);
    end;
  end;
end;

procedure TfrViewArticulo.cbFamiliaPropertiesInitPopup(Sender: TObject);
begin
  inherited;
  with cbFamilia.Properties.Items do
  begin
    BeginUpdate;
    try
      Clear;
      AddStrings(FFamiliasController.DarListaFamilias);
    finally
      EndUpdate;
    end;
  end;
end;

procedure TfrViewArticulo.cbFamiliaPropertiesValidate(Sender: TObject;
  var DisplayValue: Variant; var ErrorText: TCaption; var Error: Boolean);
var
  AFamilias : IBizFamilia;
begin
  inherited;
  with (Sender as TcxDBComboBox) do
  begin
    if (Length(DisplayValue) > 0) and (DisplayValue <> FArticulo.FAMILIA) then
      if Properties.LookupItems.IndexOf(DisplayValue) < 0 then
      begin
        Properties.LookupItems.BeginUpdate;
        AFamilias := FFamiliasController.BuscarTodos;
        AFamilias.DataTable.Active := True;
        try
          FFamiliasController.Anadir(AFamilias);
          AFamilias.DESCRIPCION := DisplayValue;
          FFamiliasController.Guardar(AFamilias);
          Properties.LookupItems.Add(DisplayValue);
        finally
          Properties.LookupItems.EndUpdate;
          AFamilias := NIL;
        end;
      end;
  end;
end;

procedure TfrViewArticulo.CustomViewCreate(Sender: TObject);
begin
  inherited;
  FFamiliasController := TFamiliasController.Create;
end;

procedure TfrViewArticulo.CustomViewDestroy(Sender: TObject);
begin
  FFamiliasController := Nil;
  inherited;
end;

function TfrViewArticulo.GetArticulo: IBizArticulo;
begin
  Result := FArticulo;
end;

procedure TfrViewArticulo.SalvarImagen;
var
  aAux : String;
begin
  aAux := DarFicheroJPGTemporal;
  eImagen.Picture.SaveToFile(aAux);
  try
    FArticulo.CargarImagen(aAux);
  finally
    DeleteFile(aAux);
  end;
end;

procedure TfrViewArticulo.SetArticulo(const Value: IBizArticulo);
begin
  FArticulo := Value;
  if Assigned(FArticulo) then
  begin
    dsViewArticulo.DataTable := FArticulo.DataTable;
//    CargarImagen;
  end
  else begin
    dsViewArticulo.DataTable := NIL;
//    eImagen.Clear;
  end;
end;

end.