unit uPantallaPrincipal;

interface

uses
  Windows, Forms, SysUtils, Messages, JvMenus, Menus, Graphics, AppEvnts,
  JvAppStorage, JvAppRegistryStorage, JvFormPlacement, JvComponentBase, Dialogs,
  JvNavigationPane, ImgList, Controls, PngImageList, Classes, ActnList, XPMan,
  JvXPCore, JvXPContainer, pngimage, ExtCtrls, TB2Item, SpTBXItem, StdCtrls,
  JvPageList, JvExControls, TB2Dock, SpTBXDkPanels, uGUIBase, uCustomEditor;

type
  IMainForm = interface(IHostForm)
    ['{7F6F5574-5E5C-486C-AA24-D3AEAA52D243}']
    procedure ReleaseEmbedded;
  end;


  TfPantallaPrincipal = class(TForm, IHostForm, IMainForm)
    GeneralActionList: TActionList;
    ModulesSmallImageList: TPngImageList;
    XPManifest1: TXPManifest;
    actSalir: TAction;
    ModulesActionList: TActionList;
    ModulesLargeImageList: TPngImageList;
    pnlContenido: TSpTBXDockablePanel;
    JvNavigationPane: TJvNavigationPane;
    pnlMain: TSpTBXDockablePanel;
    actLogin: TAction;
    StyleManagerButtons: TJvNavPaneStyleManager;
    JvFormStorage: TJvFormStorage;
    JvAppRegistryStorage: TJvAppRegistryStorage;
    actAdministracion: TAction;
    ApplicationEvents: TApplicationEvents;
    actCambiarPass: TAction;
    actConexion: TAction;
    actAcerca: TAction;
    pnlBorde: TJvXPContainer;
    HostMenu: TJvMainMenu;
    Archivo2_OLD: TMenuItem;
    Ayuda2_OLD: TMenuItem;
    Cambiarmicontrasea2_OLD: TMenuItem;
    N3_OLD: TMenuItem;
    Configurarconexin2_OLD: TMenuItem;
    Paneldeadministracin2_OLD: TMenuItem;
    N4_OLD: TMenuItem;
    Salir2_OLD: TMenuItem;
    Acercade2_OLD: TMenuItem;
    lblBienvenido: TLabel;
    Label22: TLabel;
    StatusPanelImageList: TPngImageList;
    Empresa1_OLD: TMenuItem;
    Listadeempresas1_OLD: TMenuItem;
    N1_OLD: TMenuItem;
    Opciones1_OLD: TMenuItem;
    Edicin1_OLD: TMenuItem;
    N1: TMenuItem;
    Compras1: TMenuItem;
    Ventas1: TMenuItem;
    actMenuCompras: TAction;
    actMenuLogistica: TAction;
    actMenuVentas: TAction;
    Logstica1: TMenuItem;
    pagInicio: TJvNavPanelPage;
    Panel1: TPanel;
    Label1: TLabel;
    Image1: TImage;
    actVerPanel: TAction;
    actVerBarraEstado: TAction;
    Paneldeexploracin1: TMenuItem;
    Paneldeexploracin2: TMenuItem;
    Informacindeempresa1: TMenuItem;
    Administracin1: TMenuItem;
    N2: TMenuItem;
    Usuarios1: TMenuItem;
    Perfiles1: TMenuItem;
    N3: TMenuItem;
    N4: TMenuItem;
    Datos1: TMenuItem;
    N5: TMenuItem;
    N6: TMenuItem;
    N7: TMenuItem;
    N8: TMenuItem;
    N9: TMenuItem;
    N10: TMenuItem;
    actMenuEmpresa: TAction;
    actMenuInformes: TAction;
    actInformacionEmpresa: TAction;
    SpTBXStatusBar1: TSpTBXStatusBar;
    SpTBXLabelItem1: TSpTBXLabelItem;
    SpTBXSeparatorItem1: TSpTBXSeparatorItem;
    SpTBXLabelItem2: TSpTBXLabelItem;
    actUsuarios: TAction;
    actPerfilesUsuario: TAction;
    actSeleccionEmpresas: TAction;
    Splitter1: TSplitter;
    procedure FormCreate(Sender: TObject);
    procedure actSalirExecute(Sender: TObject);
    procedure actCambiarPassExecute(Sender: TObject);
    procedure actAcercaExecute(Sender: TObject);
    procedure actConexionExecute(Sender: TObject);
    procedure FormCloseQuery(Sender: TObject; var CanClose: Boolean);
    procedure JvNavigationPaneChange(Sender: TObject);
    procedure ApplicationEventsException(Sender: TObject; E: Exception);
    procedure actMenuComprasExecute(Sender: TObject);
    procedure actMenuComprasUpdate(Sender: TObject);
    procedure actMenuLogisticaExecute(Sender: TObject);
    procedure actMenuVentasExecute(Sender: TObject);
    procedure actActualizacionesExecute(Sender: TObject);
    procedure actVerPanelUpdate(Sender: TObject);
    procedure actVerPanelExecute(Sender: TObject);
    procedure actVerBarraEstadoUpdate(Sender: TObject);
    procedure actVerBarraEstadoExecute(Sender: TObject);
    procedure FormShow(Sender: TObject);
    procedure FormClose(Sender: TObject; var Action: TCloseAction);
    procedure actMenuInformesExecute(Sender: TObject);
    procedure actInformacionEmpresaExecute(Sender: TObject);
    procedure actUsuariosExecute(Sender: TObject);
    procedure actPerfilesUsuarioExecute(Sender: TObject);
    procedure actSeleccionEmpresasExecute(Sender: TObject);
  private
    FContenido : TCustomEditor;
    procedure ShowEmbedded(AEditor : ICustomEditor);
    procedure ReleaseEmbedded;
    procedure AplicarPerfil;
    procedure InicializarUI;
    procedure OnThemeChange(Sender: TObject);
    procedure ExecuteActionMenu(Sender : TObject);
    procedure InitStyleManager;
    //procedure WMSysCommand(var Msg: TWMSysCommand); message WM_SYSCOMMAND;
  protected
    function GetWorkPanel : TWinControl;
    procedure CreateParams(var Params: TCreateParams); override;
  public
    procedure RefrescarUI;
    function IsShortcut(var Message: TWMKey): Boolean; override;
    procedure OnWorkPanelChanged(AEditor : ICustomEditor);
    constructor Create(AOwner: TComponent); override;
    property WorkPanel : TWinControl read GetWorkPanel;
  end;

var
  fPantallaPrincipal: TfPantallaPrincipal;

implementation
{$INCLUDE ..\FactuGES.inc}

uses
  uSplash, uAcercaDe, UxTheme, Themes, uMenuUtils, uBizEmpresas,
  uFactuGES_App, uDMBase, uDataModuleConexion,
  uModuleController, uMainMenuController, uNavPaneController,
  uDialogUtils, cxControls, SpTBXSkins, SpTBXDefaultSkins;

{$R *.dfm}


{
***************************** TfPantallaPrincipal ******************************
}

procedure TfPantallaPrincipal.FormClose(Sender: TObject; var Action: TCloseAction);
begin
  //Tiene que ser en este método porque salta antes que liberar la aplicación, si lo dejamos
  //en el evento onDestroy no le da tiempo a liberar el contenido y se pone a liberar la aplicación
  //provocando un error de memoria
  ReleaseEmbedded;
  ApplicationEvents.CancelDispatch;
end;

procedure TfPantallaPrincipal.FormCloseQuery(Sender: TObject;
  var CanClose: Boolean);
begin
  CanClose := True;
  if Assigned(FContenido) then
    CanClose := FContenido.CloseQuery;
end;

procedure TfPantallaPrincipal.FormCreate(Sender: TObject);
begin
  ApplicationEvents.Activate;
  Application.Title := AppFactuGES.AppName + ' ' + AppFactuGES.AppVersion;
  Caption := Application.Title;

  actLogin.Execute;
end;

procedure TfPantallaPrincipal.FormShow(Sender: TObject);
begin
  // Set skin type to sknTBX
  SkinManager.SetSkin('Office 2003');

  dmBase.OnThemeChange := Self.OnThemeChange;
  JvNavigationPane.StyleManager := dmBase.StyleManager;

  InitStyleManager;

  InicializarUI;
end;

procedure TfPantallaPrincipal.RefrescarUI;
var
  ATitulo : String;
  i: Integer;
begin
  ATitulo := AppFactuGES.GetAppFullName;

  if Assigned(AppFactuGES.EmpresaActiva) then
    ATitulo := AppFactuGES.EmpresaActiva.NOMBRE + ' - ' + ATitulo;

  Application.Title := ATitulo;
  Caption := Application.Title;

  SpTBXLabelItem1.ImageIndex := 1;
  SpTBXLabelItem1.Caption := 'Conectado a: ' + dmConexion.TargetURL;

  if Assigned(AppFactuGES.UsuarioActivo) then
  begin
    SpTBXLabelItem2.ImageIndex := 0;
    SpTBXLabelItem2.Caption := AppFactuGES.UsuarioActivo.UserName
  end
  else begin
    SpTBXLabelItem2.ImageIndex := -1;  
    SpTBXLabelItem2.Caption := '';
  end;


  // Comprobar que el panel lateral tiene la empresa activa
  if Assigned(AppFactuGES.EmpresaActiva) then
    for i := 0 to JvNavigationPane.PageCount - 1 do
      if (JvNavigationPane.Pages[i].Tag = AppFactuGES.EmpresaActiva.ID) and
        (JvNavigationPane.ActivePageIndex <> i) then
          JvNavigationPane.ActivePageIndex := i;
end;

procedure TfPantallaPrincipal.ReleaseEmbedded;
begin
  if Assigned(FContenido) then
    FContenido.Release;
  FContenido := Nil;  
  Application.ProcessMessages;
end;

procedure TfPantallaPrincipal.actSalirExecute(Sender: TObject);
begin
  Close;
end;

procedure TfPantallaPrincipal.actSeleccionEmpresasExecute(Sender: TObject);
begin
  AppFactuGES.SeleccionarEmpresa;
  RefrescarUI;
end;

procedure TfPantallaPrincipal.actUsuariosExecute(Sender: TObject);
begin
  AppFactuGES.UsuariosController.VerUsuarios;
end;

procedure TfPantallaPrincipal.actMenuVentasExecute(Sender: TObject);
begin
  //
end;

procedure TfPantallaPrincipal.actPerfilesUsuarioExecute(Sender: TObject);
begin
  AppFactuGES.UsuariosController.VerPerfiles;
end;

procedure TfPantallaPrincipal.actVerBarraEstadoExecute(Sender: TObject);
begin
  SpTBXStatusBar1.Visible := not SpTBXStatusBar1.Visible;
end;

procedure TfPantallaPrincipal.actVerBarraEstadoUpdate(Sender: TObject);
begin
  (Sender as TAction).Checked := SpTBXStatusBar1.Visible;
end;

procedure TfPantallaPrincipal.actVerPanelExecute(Sender: TObject);
begin
  JvNavigationPane.Visible := not JvNavigationPane.Visible;
  if (JvNavigationPane.Visible) and (JvNavigationPane.Width = 0) then
    JvNavigationPane.Width := 210;
end;

procedure TfPantallaPrincipal.actVerPanelUpdate(Sender: TObject);
begin
  (Sender as TAction).Checked := JvNavigationPane.Visible and (JvNavigationPane.Width > 0);
end;

procedure TfPantallaPrincipal.OnThemeChange(Sender: TObject);
begin
  LockWindowUpdate(Handle);
  try
    Self.Color := dmBase.StyleManager.Colors.DividerColorTo;
    //pnlBorde.Color := dmBase.StyleManager.Colors.FrameColor;
    pnlBorde.BoundColor := dmBase.StyleManager.Colors.FrameColor;
    with StyleManagerButtons do
    begin
      Colors.ButtonColorFrom := clWindow;
      Colors.ButtonColorTo := clWindow;
      Colors.ButtonSeparatorColor := clWindow;
      Colors.SplitterColorFrom := clWindow;
      Colors.SplitterColorTo := clWindow;
      Colors.DividerColorFrom := clWindow;
      Colors.DividerColorTo := clWindow;
      Colors.HeaderColorFrom := clWindow;
      Colors.HeaderColorTo := clWindow;
      Colors.FrameColor := clWindow;
      Colors.ToolPanelHeaderColorFrom := clWindow;
      Colors.ToolPanelHeaderColorTo := clWindow;

      Colors.ButtonHotColorFrom := dmBase.StyleManager.Colors.ButtonHotColorFrom;
      Colors.ButtonHotColorTo := dmBase.StyleManager.Colors.ButtonHotColorTo;

      Colors.ButtonSelectedColorFrom := dmBase.StyleManager.Colors.ButtonSelectedColorFrom;
      Colors.ButtonSelectedColorTo := dmBase.StyleManager.Colors.ButtonSelectedColorTo;
    end;
    lblBienvenido.Font.Color := JvNavigationPane.Colors.ButtonColorTo;
{    JvGradient1.StartColor := JvNavigationPane.Colors.ButtonColorFrom;
    JvGradient1.EndColor := JvNavigationPane.Colors.ButtonColorTo;}
  finally
    LockWindowUpdate(0);
    Refresh;
  end;
end;

function TfPantallaPrincipal.GetWorkPanel: TWinControl;
begin
  Result := pnlMain;
end;

procedure TfPantallaPrincipal.InicializarUI;
var
  AListaEmpresas : IBizEmpresa;
  i : Integer;
begin
  ShowHourglassCursor;
  try
    for i := 0 to AppFactuGES.ModuleManager.ModulesCount - 1 do
      MainMenuController.RegisterModule(AppFactuGES.ModuleManager.Modules[i]);

    MainMenuController.SortMenuByTag;
    MainMenuController.InitMainMenu;

    for i := 0 to AppFactuGES.ModuleManager.ModulesCount - 1 do
      NavPaneController.RegisterModule(AppFactuGES.ModuleManager.Modules[i]);

    NavPaneController.InitNavPane;

    try
      AListaEmpresas := AppFactuGES.EmpresasController.BuscarTodos;
      if Assigned(AListaEmpresas) then
      begin
        AListaEmpresas.Active := True;

        if AListaEmpresas.RecordCount = 1 then
        begin
          // Oculto la página de inicio para que no parezca
          // que se pueden manejar varias empresas.
          JvNavigationPane.ActivePageIndex := 1;
          pagInicio.PageList := NIL;
          pagInicio.Visible := False;
        end;
      end;

    finally
      AListaEmpresas.Close;
      AListaEmpresas := NIL;
    end;

    RefrescarUI;
  finally
     HideHourglassCursor;
  end;
end;


procedure TfPantallaPrincipal.actMenuComprasExecute(Sender: TObject);
begin
  //
end;

procedure TfPantallaPrincipal.actMenuComprasUpdate(Sender: TObject);
begin
  (Sender as TAction).Enabled := Assigned(AppFactuGES.EmpresaActiva);
end;

procedure TfPantallaPrincipal.actMenuInformesExecute(Sender: TObject);
begin
  //
end;

procedure TfPantallaPrincipal.actMenuLogisticaExecute(Sender: TObject);
begin
  //
end;

procedure TfPantallaPrincipal.ExecuteActionMenu(Sender: TObject);
var
  i : integer;
begin
  for i := 0 to JvNavigationPane.PageCount - 1 do
  begin
    if JvNavigationPane.NavPages[i].Caption = (Sender as TAction).Caption then
    begin
      JvNavigationPane.ActivePageIndex := i;
      Break;
    end;
  end;
end;

procedure TfPantallaPrincipal.AplicarPerfil;
begin
  //
end;

procedure TfPantallaPrincipal.ApplicationEventsException(Sender: TObject;
  E: Exception);
begin
{  if E is EROSessionNotFound then
  begin
  // OJOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOO
    if not dmUsuarios.Login then
      ShowMessage(E.Message);
  end
  else}
    ShowMessage(E.Message);
    //ShowErrorMessage('Se ha producido un error', '', E);
end;

procedure TfPantallaPrincipal.OnWorkPanelChanged(AEditor: ICustomEditor);
begin
  //
end;

procedure TfPantallaPrincipal.ShowEmbedded(AEditor: ICustomEditor);
begin
  if Assigned(FContenido) and not FContenido.CloseQuery then
  begin
    AEditor.Release;
    AEditor := NIL;
    Exit;
  end;

  ShowHourglassCursor;
  LockWindowUpdate(Handle);
  ReleaseEmbedded;
  try
    FContenido := TCustomEditor(AEditor.GetInstance);
    with (FContenido) do
    begin
      Visible := False;
      BorderIcons := [];
      BorderStyle := bsNone;
      Parent := WorkPanel;
      FContenido.Show;
      Align := alClient;
      FContenido.SetFocus;
    end;
  finally
    Application.ProcessMessages;
    LockWindowUpdate(0);
    HideHourglassCursor;
  end;
  OnWorkPanelChanged(FContenido);
end;

{procedure TfPantallaPrincipal.WMSysCommand(var Msg: TWMSysCommand); message WM_SYSCOMMAND;
begin
  // Sirve para recuperar el foco el formulario principal cuando
  // tenemos varios formularios hijos abiertos a la vez.
  case (Msg.cmdtype and $FFF0) of
    SC_MINIMIZE:  begin
                    ShowWindow(handle, SW_MINIMIZE);
                    Msg.result := 0;
                  end;
    SC_RESTORE:   begin
                    ShowWindow(handle, SW_RESTORE);
                    Msg.result := 0;
                  end;
    else
      DefaultHandler(Msg);
  end;
end;}

constructor TfPantallaPrincipal.Create(AOwner: TComponent);
begin
  inherited;

  {$IFDEF MULTIEMPRESA}
  {$ELSE}
     Listadeempresas1_OLD.Destroy;
  {$ENDIF}


  FContenido := NIL;

  with AppFactuGES.ModuleManager do
  begin
    MainMenu := Self.Menu;
    MainForm := Self;
  end;

  with NavPaneController do
  begin
    SmallImages := ModulesSmallImageList;
    LargeImages := ModulesLargeImageList;
    NavigationPane := JvNavigationPane;
    MainForm := Self;
  end;

  with MainMenuController do
  begin
    SmallImages := ModulesSmallImageList;
    LargeImages := ModulesLargeImageList;
    MainMenu := HostMenu;
    MainForm := Self;
  end;
end;

procedure TfPantallaPrincipal.CreateParams(var Params: TCreateParams);
begin
  { ¡¡¡No quitar este procedimiento aunque no haga nada!!!!!
    Si se quita, esta pantalla principal se queda en el fondo
    después de desaparecer la pantalla de login. }
  inherited CreateParams(Params);
end;

procedure TfPantallaPrincipal.actActualizacionesExecute(Sender: TObject);
begin
{  fActualizacion := TfActualizacion.Create(Self);
  try
    fActualizacion.ShowModal;
  finally
    FreeAndNil(fActualizacion);
  end;}
end;

procedure TfPantallaPrincipal.actCambiarPassExecute(Sender: TObject);
begin
  AppFactuGES.UsuariosController._ShowChangePassword;
  RefrescarUI;
end;

procedure TfPantallaPrincipal.actAcercaExecute(Sender: TObject);
begin
  with TfAcercaDe.Create(NIL) do
    try
      HostManager := AppFactuGES.ModuleManager;
      ShowModal;
    finally
      Free;
    end;
end;

function TfPantallaPrincipal.IsShortcut(var Message: TWMKey): Boolean;
Var
   ctrl: TWinControl;
   comp: TComponent;
   i: Integer;
 Begin
   ctrl := ActiveControl;
   If ctrl <> Nil Then Begin
     Repeat
       ctrl := ctrl.Parent
     Until (ctrl = nil) or (ctrl Is TCustomForm);
     // Note: replace TCustomFrame with TForm, check if the found form is
     // self, if not, execute the following block of code.
     If ctrl <> nil Then Begin
       For i:= 0 To ctrl.componentcount-1 Do Begin
         comp:= ctrl.Components[i];
         If comp Is TCustomActionList Then Begin
           result := TCustomActionList(comp).IsShortcut( message );
           If result Then
             Exit;
         End;
       End;
     End;
   End;
   //Result := inherited IsShortCut(Message);
end;

procedure TfPantallaPrincipal.JvNavigationPaneChange(Sender: TObject);
begin
  { Cuando se destruye el formulario este evento salta pero no
    hay que cambiar de empresa }
  if (csDestroying in ComponentState) then
    Exit;

  //Se libera el contenido que tenga ya que cambiamos de empresa;
  ReleaseEmbedded;

  AppFactuGES.CambiarEmpresa(JvNavigationPane.ActivePage.Tag);
  RefrescarUI;
end;

procedure TfPantallaPrincipal.actConexionExecute(Sender: TObject);
begin
  dmConexion.ConfigurarConexion;
  RefrescarUI;  
end;


procedure TfPantallaPrincipal.actInformacionEmpresaExecute(Sender: TObject);
begin
  AppFactuGES.EmpresasController.Ver(AppFactuGES.EmpresaActiva);
end;


procedure TfPantallaPrincipal.InitStyleManager;
begin
  if not SkinManager.IsXPThemesEnabled then
    dmBase.StyleManager.Theme := nptStandard
  else begin
    //TBXSwitcher.EnableXPStyles := True;
    with dmBase.StyleManager do
    begin
      if SkinManager.CurrentSkin is TSpTBXOffice2003Skin then
      begin
        case SpGetLunaScheme of
          lusBlue      : Theme := nptXPBlue;
          lusMetallic  : Theme := nptXPSilver;
          lusGreen     : Theme := nptXPOlive;
          else
                        Theme := nptStandard;
        end;
      end;
    end;
  end;
  Self.Color := dmBase.StyleManager.Colors.DividerColorTo;
  Splitter1.Color := Self.Color;
end;

end.