unit uEditorArticulos;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, uEditorBase, ToolWin, ComCtrls, JvExControls, JvComponent,
  JvNavigationPane, uViewArticulos, uBizArticulos, ActnList, DBActns, uViewGrid,
  Menus, uDataModuleBase, ImgList, PngImageList, TB2Dock, TB2Toolbar, TBX,
  TB2Item, StdActns, TB2ExtItems, TBXExtItems, TB2MRU, DB, uDADataTable,
  JvFormAutoSize, uDAScriptingProvider, uDACDSDataTable, JvAppStorage,
  JvAppRegistryStorage, JvFormPlacement, ExtCtrls, uCustomView, uViewBase,
  uViewBarraSeleccion, pngimage, uIEditorArticulos, uEditorGridBase,
  JvComponentBase, uViewGridBase, uArticulosController, JvExComCtrls,
  JvStatusBar, uDAInterfaces;

type
  TfEditorArticulos = class(TfEditorGridBase, IEditorArticulos)
    actFamilias: TAction;
    actAsignarTarifa: TAction;
    TBXItem38: TTBXItem;
    actNoComisionable: TAction;
    TBXSeparatorItem17: TTBXSeparatorItem;
    TBXItem39: TTBXItem;
    actComisionable: TAction;
    TBXSeparatorItem18: TTBXSeparatorItem;
    TBXItem40: TTBXItem;
    procedure FormShow(Sender: TObject);
    procedure actFamiliasExecute(Sender: TObject);
    procedure actAsignarTarifaExecute(Sender: TObject);
    procedure actAsignarTarifaUpdate(Sender: TObject);
    procedure actEliminarUpdate(Sender: TObject);
    procedure actNoComisionableExecute(Sender: TObject);
    procedure actNoComisionableUpdate(Sender: TObject);
    procedure actComisionableExecute(Sender: TObject);
    procedure actComisionableUpdate(Sender: TObject);
    procedure OnListaTarifasChange(Sender: TObject; const Text: string);
  private
    FArticulos: IBizArticulo;
    FController : IArticulosController;
  protected
    function GetArticulos: IBizArticulo;
    procedure SetArticulos(const Value: IBizArticulo);
    function GetController : IArticulosController; virtual;
    procedure SetController (const Value : IArticulosController); virtual;

    procedure NuevoInterno; override;
    procedure EliminarInterno; override;
    procedure ModificarInterno; override;
    procedure ImprimirInterno; override;
    procedure PrevisualizarInterno; override;
    procedure DuplicarInterno; override;
    procedure RefrescarInterno; override;

    //Si queremos crear otra vista para el editor heredado solo tendriamos que
    //sobreescribir este metodo
    procedure AsignarVista; virtual;

  public
    procedure PonerTitulos(const ATitulo: string = ''); override;
    property Articulos: IBizArticulo read GetArticulos write SetArticulos;
    property Controller : IArticulosController read GetController write SetController;
    constructor Create(AOwner: TComponent); override;
    destructor Destroy; override;
  end;

implementation

uses
  uCustomEditor, uDataModuleArticulos, uDataModuleUsuarios, uFactuGES_App,
  uEditorArticulo, uEditorDBBase,  uBizFamilias, uFamiliasController,
  cxGrid, cxGridCustomTableView, uGridUtils, uDBSelectionListUtils; //, uListaArticulos;

{$R *.dfm}

{
****************************** TfEditorArticulos *******************************
}
procedure TfEditorArticulos.FormShow(Sender: TObject);
begin
  cbxListaAnos.OnChange := OnListaTarifasChange; //OJO SIEMPRE ANTES DEL INHERITED

  inherited;

  if not Assigned(ViewGrid) then
    raise Exception.Create('No hay ninguna vista asignada');

  if not Assigned(Articulos) then
    raise Exception.Create('No hay ningún articulo asignado');

  Articulos.DataTable.Active := True;
  ViewGrid.GotoFirst;
  //Para que coja el ancho automático
  actAnchoAuto.Execute;    
end;

function TfEditorArticulos.GetArticulos: IBizArticulo;
begin
  Result := FArticulos;
end;

function TfEditorArticulos.GetController: IArticulosController;
begin
  Result := FController;
end;

procedure TfEditorArticulos.ImprimirInterno;
begin
  inherited;
end;

procedure TfEditorArticulos.ModificarInterno;
begin
  inherited;
  FController.Ver(Articulos);
end;

procedure TfEditorArticulos.NuevoInterno;
begin
  inherited;
  FController.Anadir(Articulos);
  FController.Ver(Articulos);
end;

procedure TfEditorArticulos.OnListaTarifasChange(Sender: TObject;
  const Text: string);
begin
  Controller.FiltrarTarifa(Articulos, DynWhereDataTable, Text);
  if Articulos.DataTable.Active then
     RefrescarInterno;
end;

procedure TfEditorArticulos.PonerTitulos(const ATitulo: string);
var
  FTitulo : String;
begin
  FTitulo := 'Lista de artículos - ' + AppFactuGES.EmpresaActiva.NOMBRE;
  inherited PonerTitulos(FTitulo);
end;

procedure TfEditorArticulos.PrevisualizarInterno;
begin
  inherited;
end;

procedure TfEditorArticulos.RefrescarInterno;
begin
  //Volvemos a cargar las tarifas de los presupuestos
  if Assigned(FController) then
     ListaAnos := FController.DarListaTarifasArticulos;

  inherited;
end;

procedure TfEditorArticulos.SetArticulos(const Value: IBizArticulo);
begin
  FArticulos := Value;

 if Assigned(FArticulos) then
  begin
    //Se guarda el where de la sentencia origen, por si el editor tiene filtros que
    //afecten a este where y en un futuro se desea volver al where origen (filtro de tarifa))
    DynWhereDataTable := FArticulos.DataTable.DynamicWhere.Xml;

    dsDataTable.DataTable := FArticulos.DataTable;
    if Assigned(ViewGrid) then
      (ViewGrid as IViewArticulos).Articulos := Articulos;
  end;
end;

procedure TfEditorArticulos.SetController(const Value: IArticulosController);
begin
  FController := Value;

  if Assigned(FController) then
     ListaAnos := FController.DarListaTarifasArticulos;
end;

destructor TfEditorArticulos.Destroy;
begin
  FArticulos := NIL;
  FController := NIl;  
  inherited;
end;

procedure TfEditorArticulos.DuplicarInterno;
var
  AArticulo : IBizArticulo;
begin
  inherited;
  AArticulo := FController.Duplicar(Articulos);
  try
    FController.Ver(AArticulo);
  finally
    actRefrescar.Execute;
  end;
end;

procedure TfEditorArticulos.EliminarInterno;
begin
  if (Application.MessageBox('¿Desea borrar este artículo?', 'Atención', MB_YESNO) = IDYES) then
  begin
    inherited;
    //Para que en el caso de no poderse realizar la operación se refresquen
    //los datos y no nos permita eliminar un registro a la segunda
    if not FController.Eliminar(Articulos) then
       actRefrescar.Execute;
  end;
end;

procedure TfEditorArticulos.actAsignarTarifaExecute(Sender: TObject);
var
  AArticulos: IBizArticulo;
  i: integer;

begin
  inherited;

  ViewGrid.SaveGridStatus;
  try
    SeleccionarFilasDesdeGrid(ViewGrid._FocusedView, (Articulos as ISeleccionable).SelectedRecords);
    AArticulos := (Controller as IArticulosController).ExtraerSeleccionados(Articulos) as IBizArticulo;
  finally
    ViewGrid.RestoreGridStatus;
  end;

  Controller.AsignarTarifa(AArticulos);

  if (AArticulos.DataTable.RecordCount > 0) then
     RefrescarInterno;
end;

procedure TfEditorArticulos.actAsignarTarifaUpdate(Sender: TObject);
begin
  inherited;

  if HayDatos and Assigned(ViewGrid) then
    (Sender as TAction).Enabled := not (dsDataTable.DataTable.State in dsEditModes)
      and ViewGrid.esSeleccionCeldaDatos
      and (ViewGrid.NumSeleccionados > 0)
  else
    (Sender as TAction).Enabled := False;
end;

procedure TfEditorArticulos.actComisionableExecute(Sender: TObject);
var
  AArticulos: IBizArticulo;
  i: integer;

begin
  inherited;

  ViewGrid.SaveGridStatus;
  try
    SeleccionarFilasDesdeGrid(ViewGrid._FocusedView, (Articulos as ISeleccionable).SelectedRecords);
    AArticulos := (Controller as IArticulosController).ExtraerSeleccionados(Articulos) as IBizArticulo;
    Controller.Comisionable(AArticulos, 1);
  finally
    ViewGrid.RestoreGridStatus;
  end;

  if (AArticulos.DataTable.RecordCount > 0) then
     RefrescarInterno;
end;

procedure TfEditorArticulos.actComisionableUpdate(Sender: TObject);
begin
  inherited;
  if HayDatos and Assigned(ViewGrid) then
    (Sender as TAction).Enabled := not (dsDataTable.DataTable.State in dsEditModes)
      and ViewGrid.esSeleccionCeldaDatos
      and (ViewGrid.NumSeleccionados > 0)
  else
    (Sender as TAction).Enabled := False;
end;

procedure TfEditorArticulos.actEliminarUpdate(Sender: TObject);
begin
  inherited;

  if (ViewGrid.NumSeleccionados <> 1) then
    (Sender as TAction).Enabled := False;
end;

procedure TfEditorArticulos.actFamiliasExecute(Sender: TObject);
var
  AFamiliasController : IFamiliasController;
  AFamilias : IBizFamilia;
begin
  AFamiliasController := TFamiliasController.Create;
  try
    AFamilias := (AFamiliasController.BuscarTodos as IBizFamilia);
    AFamiliasController.VerTodos(AFamilias);
  finally
    AFamilias := NIL;
    AFamiliasController := NIL;
  end;
end;

procedure TfEditorArticulos.actNoComisionableExecute(Sender: TObject);
var
  AArticulos: IBizArticulo;
  i: integer;

begin
  inherited;

  ViewGrid.SaveGridStatus;
  try
    SeleccionarFilasDesdeGrid(ViewGrid._FocusedView, (Articulos as ISeleccionable).SelectedRecords);
    AArticulos := (Controller as IArticulosController).ExtraerSeleccionados(Articulos) as IBizArticulo;
    Controller.Comisionable(AArticulos, 0);
  finally
    ViewGrid.RestoreGridStatus;
  end;

  if (AArticulos.DataTable.RecordCount > 0) then
     RefrescarInterno;
end;

procedure TfEditorArticulos.actNoComisionableUpdate(Sender: TObject);
begin
  inherited;
  if HayDatos and Assigned(ViewGrid) then
    (Sender as TAction).Enabled := not (dsDataTable.DataTable.State in dsEditModes)
      and ViewGrid.esSeleccionCeldaDatos
      and (ViewGrid.NumSeleccionados > 0)
  else
    (Sender as TAction).Enabled := False;
end;

procedure TfEditorArticulos.AsignarVista;
begin
  ViewGrid := CreateView(TfrViewArticulos) as IViewArticulos;
end;

constructor TfEditorArticulos.Create(AOwner: TComponent);
begin
  inherited;
  AsignarVista;
end;

end.