unit uViewDatosYSeleccionContrato;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, uViewBase, StdCtrls, cxControls, cxContainer, cxEdit, cxLabel,
  cxDBLabel, ExtCtrls, DB, uDADataTable, ComCtrls, ToolWin, ActnList, ImgList,
  PngImageList, cxTextEdit, cxDBEdit, pngimage, JvExControls, JvComponent, JvButton,
  JvTransparentButton, Mask, DBCtrls, dxLayoutControl, Buttons, uDAInterfaces,
  uBizContratosCliente, uContratosClienteController;

type
  IViewDatosYSeleccionContrato = interface(IViewBase)
  ['{B66D091E-27F3-45CB-9B3D-364BA5760CFC}']
    function GetIdContrato: integer;
    procedure SetIdContrato(const Value: integer);
    property IdContrato: integer read GetIdContrato write SetIdContrato;

    function GetContrato: IBizContratoCliente;
    procedure SetContrato(const Value: IBizContratoCliente);
    property Contrato: IBizContratoCliente read GetContrato write SetContrato;

    function GetOnContratoChanged : TNotifyEvent;
    procedure SetOnContratoChanged (const Value : TNotifyEvent);
    property OnContratoChanged : TNotifyEvent read GetOnContratoChanged
      write SetOnContratoChanged;

    function GetMsgElegirContrato: String;
    procedure SetMsgElegirContrato(const Value: String);
    property MsgElegirContrato : String read GetMsgElegirContrato
      write SetMsgElegirContrato;

    function GetDataItem: TDADataTable;
    procedure SetDataItem(const Value: TDADataTable);
    property DataItem : TDADataTable read GetDataItem write SetDataItem;
  end;

  TfrViewDatosYSeleccionContrato = class(TfrViewBase, IViewDatosYSeleccionContrato)
    DADataSource: TDADataSource;
    ActionList1: TActionList;
    actElegirContrato: TAction;
    actAnadirContrato: TAction;
    actVerContrato: TAction;
    PngImageList: TPngImageList;
    dxLayoutControl1Group_Root: TdxLayoutGroup;
    dxLayoutControl1: TdxLayoutControl;
    Button1: TBitBtn;
    dxLayoutControl1Item7: TdxLayoutItem;
    Button2: TBitBtn;
    dxLayoutControl1Item8: TdxLayoutItem;
    Button3: TBitBtn;
    dxLayoutControl1Item9: TdxLayoutItem;
    dxLayoutControl1Group1: TdxLayoutGroup;
    dxLayoutControl1Item3: TdxLayoutItem;
    edtRefContrato: TcxDBTextEdit;
    dxLayoutControl1Item4: TdxLayoutItem;
    edtRefClienteContrato: TcxDBTextEdit;
    procedure actElegirContratoExecute(Sender: TObject);
    procedure actAnadirContratoExecute(Sender: TObject);
    procedure actVerContratoExecute(Sender: TObject);
    procedure actVerContratoUpdate(Sender: TObject);

  private
    FDataItem : TDADataTable;
    FContrato: IBizContratoCliente;
    FController : IContratosClienteController;
    FOnContratoChanged : TNotifyEvent;
    FMsgElegirContrato: String;
    function GetMsgElegirContrato: String;
    procedure SetMsgElegirContrato(const Value: String);
    function GetDataItem: TDADataTable;
    procedure SetDataItem(const Value: TDADataTable);
    function GetContrato: IBizContratoCliente;
    procedure SetContrato(const Value: IBizContratoCliente);

  protected
    function GetOnContratoChanged : TNotifyEvent;
    procedure SetOnContratoChanged (const Value : TNotifyEvent);
    procedure SetReadOnly(Value: Boolean); override;
    function GetIdContrato: integer;
    procedure SetIdContrato(const Value: integer);

  public
    constructor Create(AOwner: TComponent); override;
    destructor Destroy; override;
    property DataItem : TDADataTable read GetDataItem write SetDataItem;
    property OnContratoChanged : TNotifyEvent read GetOnContratoChanged write SetOnContratoChanged;
    property MsgElegirContrato : String read GetMsgElegirContrato write SetMsgElegirContrato;
    property IdContrato: integer read GetIdContrato write SetIdContrato;
    property Contrato: IBizContratoCliente read GetContrato write SetContrato;
  end;

implementation

{$R *.dfm}

uses
  uDataModuleContratosCliente, Math, uCustomView;

procedure TfrViewDatosYSeleccionContrato.actElegirContratoExecute(Sender: TObject);
var
  AContrato : IBizContratoCliente;
begin
  inherited;

  AContrato := (FController.ElegirContratos(FController.BuscarTodos, FMsgElegirContrato, False) as IBizContratoCliente);
  if Assigned(AContrato) then
  begin
    Self.Update;
    ShowHourglassCursor;
    try
      Contrato := AContrato;
    finally
      HideHourglassCursor;
    end;
  end;
  AContrato := Nil;
end;

procedure TfrViewDatosYSeleccionContrato.actAnadirContratoExecute(
  Sender: TObject);
var
  AContrato : IBizContratoCliente;
begin
  inherited;
  AContrato := (FController.Nuevo as IBizContratoCliente);
  FController.Ver(AContrato);
  Contrato := AContrato;
end;

procedure TfrViewDatosYSeleccionContrato.actVerContratoExecute(Sender: TObject);
begin
  inherited;
  if Assigned(FContrato) then
     FController.Ver(FContrato);
  if (Application.MessageBox('¿Desea refrescar los datos del Contrato en el documento?', 'Atención', MB_YESNO) = IDYES) then
     Contrato := Contrato;
end;

procedure TfrViewDatosYSeleccionContrato.actVerContratoUpdate(Sender: TObject);
begin
  inherited;
  (Sender as TAction).Enabled := (Length(edtRefContrato.Text) > 0);
end;

constructor TfrViewDatosYSeleccionContrato.Create(AOwner: TComponent);
begin
  inherited;
  FMsgElegirContrato := '';
  FContrato := Nil;
  FController := TContratosClienteController.Create;
end;

destructor TfrViewDatosYSeleccionContrato.Destroy;
begin
  FContrato := Nil;
  FController := NIL;
  inherited;
end;

function TfrViewDatosYSeleccionContrato.GetContrato: IBizContratoCliente;
begin
  Result := FContrato;
end;

function TfrViewDatosYSeleccionContrato.GetDataItem: TDADataTable;
begin
  Result := FDataItem;
end;

function TfrViewDatosYSeleccionContrato.GetIdContrato: integer;
begin
  Result := -1;
  if Assigned(FContrato) then
    Result := FContrato.ID;
end;

function TfrViewDatosYSeleccionContrato.GetMsgElegirContrato: String;
begin
  Result := FMsgElegirContrato;
end;

procedure TfrViewDatosYSeleccionContrato.SetContrato(const Value: IBizContratoCliente);
begin
  FContrato := Value;
  if Assigned(FContrato) then
    if not FContrato.DataTable.Active then
      FContrato.DataTable.Active := True;

  if Assigned(FOnContratoChanged) then
    FOnContratoChanged(Self);
end;

procedure TfrViewDatosYSeleccionContrato.SetDataItem(const Value: TDADataTable);
begin
  FDataItem := Value;
  DADataSource.DataTable := FDataItem;
end;

procedure TfrViewDatosYSeleccionContrato.SetIdContrato(const Value: integer);
begin
  if (Value > 0) then
  begin
    FContrato := IBizContratoCliente(FController.Buscar(Value));
  end;
end;

procedure TfrViewDatosYSeleccionContrato.SetMsgElegirContrato(
  const Value: String);
begin
  FMsgElegirContrato := Value;
end;

function TfrViewDatosYSeleccionContrato.GetOnContratoChanged: TNotifyEvent;
begin
  Result := FOnContratoChanged;
end;

procedure TfrViewDatosYSeleccionContrato.SetOnContratoChanged(
  const Value: TNotifyEvent);
begin
  FOnContratoChanged := Value;
end;

procedure TfrViewDatosYSeleccionContrato.SetReadOnly(Value: Boolean);
begin
  inherited;

  if ReadOnly then
  begin
    actAnadirContrato.Enabled := False;
    actElegirContrato.Enabled := False;
  end;
end;

end.