unit uViewFacturasComision;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, uViewDetallesGenerico, cxStyles, cxCustomData, cxGraphics, cxFilter,
  cxData, cxDataStorage, cxEdit, DB, cxDBData, ActnList, ImgList, PngImageList,
  uDADataTable, ComCtrls, ToolWin, cxGridLevel, cxGridCustomTableView,
  cxGridTableView, cxGridDBTableView, cxClasses, cxControls, cxGridCustomView,
  cxGrid, cxImageComboBox, cxCurrencyEdit, uDataModuleComisiones, 
  uBizComisiones, uComisionesController, Grids, DBGrids, cxSpinEdit,
  dxLayoutControl, uDAInterfaces;

type
  IViewFacturasComision = interface
  ['{9B698A4C-B38E-4279-918D-2AF64556B1FB}']
    function GetComision: IBizComisiones;
    procedure SetComision(const Value: IBizComisiones);
    property Comision: IBizComisiones read GetComision write SetComision;

    function GetController : IComisionesController;
    procedure SetController (const Value : IComisionesController);
    property Controller : IComisionesController read GetController write SetController;
  end;

  TfrViewFacturasComision = class(TfrViewDetallesGenerico, IViewFacturasComision)
    cxGridViewRecID: TcxGridDBColumn;
    cxGridViewID_EMPRESA: TcxGridDBColumn;
    cxGridViewID_COMISION_LIQUIDADA: TcxGridDBColumn;
    cxGridViewFECHA: TcxGridDBColumn;
    cxGridViewREFERENCIA: TcxGridDBColumn;
    cxGridViewID_CLIENTE: TcxGridDBColumn;
    cxGridViewCLIENTE: TcxGridDBColumn;
    cxGridViewBASE_IMPONIBLE: TcxGridDBColumn;
    actExpandir: TAction;
    actContraer: TAction;
    ToolButton3: TToolButton;
    ToolButton8: TToolButton;
    cxGridViewCOMISION: TcxGridDBColumn;
    cxGridViewIMPORTE_COMISION: TcxGridDBColumn;
    procedure actExpandirExecute(Sender: TObject);
    procedure actContraerExecute(Sender: TObject);
    procedure CustomViewShow(Sender: TObject);
    procedure actEliminarUpdate(Sender: TObject);
    procedure actExpandirUpdate(Sender: TObject);
    procedure actContraerUpdate(Sender: TObject);
  protected
    FHayCambios : Boolean;
    FComision : IBizComisiones;
    FController : IComisionesController;

    procedure AnadirInterno; override;
    procedure EliminarInterno; override;

    function GetComision: IBizComisiones;
    procedure SetComision(const Value: IBizComisiones);

    function GetModified: Boolean; override;
    procedure SetModified(const Value: Boolean); override;

    function GetController : IComisionesController;
    procedure SetController (const Value : IComisionesController);
  public
    constructor Create(AOwner: TComponent); override;
    destructor Destroy; override;
    property Comision: IBizComisiones read GetComision write SetComision;
    property Controller : IComisionesController read GetController write SetController;
  end;


implementation

{$R *.dfm}

uses
  uCustomView; 

{ TfrViewFacturasComision }

procedure TfrViewFacturasComision.actContraerExecute(Sender: TObject);
begin
  inherited;
  cxGridView.ViewData.Collapse(True);
end;

procedure TfrViewFacturasComision.actContraerUpdate(Sender: TObject);
begin
  inherited;
  (Sender as TAction).Enabled := HayDatos;
end;

procedure TfrViewFacturasComision.actEliminarUpdate(Sender: TObject);
begin
  inherited;
  (Sender as TAction).Enabled := ((cxGridView.Controller.SelectedRowCount > 0)
                              and (cxGridView.Controller.SelectedRows[0].HasCells));
end;

procedure TfrViewFacturasComision.actExpandirExecute(Sender: TObject);
begin
  inherited;
  cxGridView.ViewData.Expand(True);
end;

procedure TfrViewFacturasComision.actExpandirUpdate(Sender: TObject);
begin
  inherited;
  (Sender as TAction).Enabled := HayDatos;
end;

procedure TfrViewFacturasComision.AnadirInterno;
begin
  //inherited;  // No hacer el comportamiento normal
  if FController.ElegirFacturasComision(Comision) then
     Modified := True;
end;

constructor TfrViewFacturasComision.Create(AOwner: TComponent);
begin
  inherited;
  FHayCambios := False;
end;

procedure TfrViewFacturasComision.CustomViewShow(Sender: TObject);
begin
  inherited;
  cxGridView.OptionsSelection.MultiSelect := True;
end;

destructor TfrViewFacturasComision.Destroy;
begin
  inherited;
end;

procedure TfrViewFacturasComision.EliminarInterno;
begin
  inherited;
end;

function TfrViewFacturasComision.GetController: IComisionesController;
begin
  Result := FController;
end;

function TfrViewFacturasComision.GetModified: Boolean;
begin
  Result := FHayCambios or inherited GetModified;
end;

function TfrViewFacturasComision.GetComision: IBizComisiones;
begin
  Result := FComision;
end;

procedure TfrViewFacturasComision.SetController(
  const Value: IComisionesController);
begin
  FController := Value;
end;

procedure TfrViewFacturasComision.SetModified(const Value: Boolean);
begin
  FHayCambios := Value;
  inherited;
end;

procedure TfrViewFacturasComision.SetComision(const Value: IBizComisiones);
begin
  FComision := Value;
  FHayCambios := False;
  if Assigned(FComision) then
    dsDetalles.DataTable := FComision.Facturas.DataTable
  else
    dsDetalles.DataTable := NIL;

  actAnchoAutomatico.Execute;     
end;

end.