unit uFacturasProveedorReportController;

interface

uses
  Classes, SysUtils, uDADataTable, uControllerBase, uIDataModuleFacturasProveedorReport,
  uClientesController, uDetallesFacturaProveedorController, uBizFacturasProveedor;

type
  IFacturasProveedorReportController = interface
  ['{551F82DC-B8DC-482E-A20D-15003E845078}']
    procedure Preview(const AFacturaID : integer);
    procedure Print(const AFacturaID : integer);
  end;

  TFacturasProveedorReportController = class(TInterfacedObject, IFacturasProveedorReportController)
  private
    FDataModule : IDataModuleFacturasProveedorReport;
    function CreateEditor(const AName: String; const IID: TGUID; out Intf): Boolean;
  public
    constructor Create;
    destructor Destroy; override;

    procedure Preview(const AFacturaID : integer);
    procedure Print(const AFacturaID : integer);
  end;


implementation

uses
  uROTypes, uEditorRegistryUtils, uIEditorFacturasProveedorPreview,
  uEditorPreview, uDataModuleFacturasProveedor, uEditorBase, cxControls;

{ TFacturasProveedorReportController }

constructor TFacturasProveedorReportController.Create;
begin
  FDataModule := TDataModuleFacturasProveedor.Create(Nil);
end;

function TFacturasProveedorReportController.CreateEditor(const AName: String;
  const IID: TGUID; out Intf): Boolean;
begin
  Result := Supports(EditorRegistry.CreateEditor(AName), IID, Intf);
end;


destructor TFacturasProveedorReportController.Destroy;
begin
  FDataModule := NIL;
  inherited;
end;

procedure TFacturasProveedorReportController.Preview(const AFacturaID : integer);
var
  AStream: Binary;
  AEditor : IEditorFacturasProveedorPreview;
begin
  AEditor := NIL;

  ShowHourglassCursor;
  try
    AStream := FDataModule.GetReport(AFacturaID);
    try
      CreateEditor('EditorFacturasProveedorPreview', IEditorFacturasProveedorPreview, AEditor);
      AEditor.LoadFromStream(AStream);
    finally
      AStream.Free;
    end;
  finally
    HideHourglassCursor;
  end;

  if Assigned(AEditor) then
    AEditor.Preview;
end;

procedure TFacturasProveedorReportController.Print(const AFacturaID : integer);
var
  AStream: Binary;
  AEditor : IEditorFacturasProveedorPreview;
begin
  AEditor := NIL;

  ShowHourglassCursor;
  try
    AStream := FDataModule.GetReport(AFacturaID);
    try
      CreateEditor('EditorFacturasProveedorPreview', IEditorFacturasProveedorPreview, AEditor);
      AEditor.LoadFromStream(AStream);
    finally
      AStream.Free;
    end;
  finally
    HideHourglassCursor;
  end;

  if Assigned(AEditor) then
    AEditor.Print
end;

end.