unit uViewObraReserva;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms, 
  Dialogs, uViewBase, uBizPedidosProveedor, cxGraphics, dxLayoutControl, cxMemo,
  cxContainer, cxEdit, cxTextEdit, cxMaskEdit, cxDropDownEdit, cxLookupEdit,
  cxDBLookupEdit, cxDBLookupComboBox, StdCtrls, cxControls, DB, uDADataTable,
  ActnList, uBizAlmacenes, uAlmacenesController, uPedidosProveedorController,
  Buttons, uDAInterfaces, uBizObras, uObrasController, cxButtonEdit, cxDBEdit,
  ExtCtrls, ImgList, PngImageList;

type
  IViewDireccionEntregaPedidoProv = interface(IViewBase)
  ['{7467855C-066F-4A60-B88F-2837C8050B1E}']
    function GetPedidoProveedor: IBizPedidoProveedor;
    procedure SetPedidoProveedor(const Value: IBizPedidoProveedor);
    property PedidoProveedor: IBizPedidoProveedor read GetPedidoProveedor write SetPedidoProveedor;
  end;

  TfrViewObraReserva = class(TfrViewBase, IViewDireccionEntregaPedidoProv)
    dxLayoutControl1: TdxLayoutControl;
    dxLayoutGroup1: TdxLayoutGroup;
    dsPedido: TDADataSource;
    Label1: TLabel;
    dxLayoutControl1Item1: TdxLayoutItem;
    dxLayoutControl1Item2: TdxLayoutItem;
    Button3: TBitBtn;
    PngImageList: TPngImageList;
    ActionList1: TActionList;
    actVerObra: TAction;
    cbObraReserva: TComboBox;
    dxLayoutControl1Item5: TdxLayoutItem;
    dxLayoutControl1Group1: TdxLayoutGroup;
    procedure actVerObraExecute(Sender: TObject);
    procedure actVerObraUpdate(Sender: TObject);
    procedure cbObraReservaChange(Sender: TObject);
    procedure CustomViewShow(Sender: TObject);
  protected
    FObrasController : IObrasController;
    FListaObras : TStringList;
    //FObras: IBizObra;
    FPedido : IBizPedidoProveedor;
    FController : IPedidosProveedorController;
    function GetPedidoProveedor: IBizPedidoProveedor;
    procedure SetPedidoProveedor(const Value: IBizPedidoProveedor);
    procedure CargarObra;
    procedure SalvarObra;
    procedure SetReadOnly(Value: Boolean); override;    
  public
    property PedidoProveedor: IBizPedidoProveedor read GetPedidoProveedor  write SetPedidoProveedor;
    constructor Create(AOwner: TComponent); override;
    destructor Destroy; override;
  end;

implementation

{$R *.dfm}

uses
  uEditorRegistryUtils, uCustomView, uEditorElegirPersonaContactoPedido,
  uStringsUtils;

procedure TfrViewObraReserva.actVerObraExecute(Sender: TObject);
var
  AObra : IBizObra;
  AID : Integer;
begin
  inherited;
  AID := StrToInt(FListaObras.Values[FListaObras.Names[cbObraReserva.ItemIndex-1]]);
  AObra := FObrasController.Buscar(AID);
  if Assigned(AObra) then
    try
      FObrasController.Ver(AObra);
    finally
      AObra := NIL;
    end;
end;

procedure TfrViewObraReserva.actVerObraUpdate(Sender: TObject);
begin
  inherited;
  (Sender as TAction).Enabled := Assigned(FListaObras) and
                  (not EsCadenaVacia(cbObraReserva.Text));
end;

procedure TfrViewObraReserva.CargarObra;
var
  i : integer;
begin
  cbObraReserva.ItemIndex := 0;

  if not FPedido.Active then
    FPedido.Open;

  if not FPedido.ID_OBRAIsNull then
  begin
    for i := 0 to FListaObras.Count - 1 do
    begin
      if IntToStr(FPedido.ID_OBRA) = FListaObras.Values[FListaObras.Names[i]] then
      begin
        cbObraReserva.ItemIndex := i + 1;
        Exit;
      end;
    end;
  end;
end;

procedure TfrViewObraReserva.cbObraReservaChange(Sender: TObject);
begin
  inherited;
  SalvarObra;
end;

constructor TfrViewObraReserva.Create(AOwner: TComponent);
var
  i: Integer;
begin
  inherited;
  FController := TPedidosProveedorController.Create;
  FObrasController := TObrasController.Create;
  FListaObras := FObrasController.DarListaObras;

  cbObraReserva.Items.BeginUpdate;
  try
    cbObraReserva.Items.Add(''); // Para poder indicar sin obra
    for i := 0 to FListaObras.Count - 1 do
      cbObraReserva.Items.Add(FListaObras.Names[i]);
  finally
    cbObraReserva.Items.EndUpdate;
  end;
end;

procedure TfrViewObraReserva.CustomViewShow(Sender: TObject);
begin
  inherited;
  cbObraReserva.Enabled := not Self.ReadOnly;
end;

destructor TfrViewObraReserva.Destroy;
begin
  FObrasController := Nil;
  FController := NIL;

  FreeANDNIL(FListaObras);
  inherited;
end;

function TfrViewObraReserva.GetPedidoProveedor: IBizPedidoProveedor;
begin
  Result := FPedido;
end;

procedure TfrViewObraReserva.SalvarObra;
var
  AID : String;
begin
  // En el item 0 no hay nada
  if (cbObraReserva.ItemIndex > 0) then
  begin
    AID := FListaObras.Values[FListaObras.Names[cbObraReserva.ItemIndex-1]];
    FPedido.Edit;
    FPedido.ID_OBRA := StrToInt(AID);
    FPedido.NOMBRE_OBRA := FListaObras.Names[cbObraReserva.ItemIndex-1];
  end
  else begin
    FPedido.Edit;
    FPedido.ClearField('ID_OBRA');
    FPedido.ClearField('NOMBRE_OBRA');
  end;
end;

procedure TfrViewObraReserva.SetPedidoProveedor(
  const Value: IBizPedidoProveedor);
begin
  dsPedido.DataTable := nil;

  FPedido := Value;
  dsPedido.DataTable := FPedido.DataTable;
  CargarObra;
end;


procedure TfrViewObraReserva.SetReadOnly(Value: Boolean);
begin
  inherited;
  if (csLoading in Self.ComponentState) then
    Exit;  
  cbObraReserva.Enabled := not Self.ReadOnly;
end;

end.