unit uEditorGrid;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, uEditorBase, ToolWin, ComCtrls, JvExControls, JvComponent,
  JvNavigationPane, ActnList, TB2Dock, TB2Toolbar, TBX, TB2Item,
  ImgList, PngImageList, StdActns, TB2ExtItems, TBXExtItems, uViewGrid,
  uEditorDBBase, DB, uDADataTable, Menus, JvFormAutoSize,
  uDAScriptingProvider, uDACDSDataTable, AppEvnts, JvAppStorage,
  JvAppRegistryStorage, JvFormPlacement, pngimage, ExtCtrls,
  JvComponentBase;

type
  IEditorGrid = interface(IEditorDBBase)
    ['{CB8CDE00-B225-4A1D-9A5C-EC6FBE2C854B}']
  end;

  TfEditorGrid = class(TfEditorDBBase, IEditorGrid)
    tbxEditFiltro: TTBXEditItem;
    tbxFiltro: TTBXToolbar;
    TBXItem7: TTBXItem;
    GridPopupMenu: TPopupMenu;
    Modificar1: TMenuItem;
    Eliminar1: TMenuItem;
    N1: TMenuItem;
    Nuevo1: TMenuItem;
    TBXLabelItem1: TTBXLabelItem;
    actQuitarFiltro: TAction;
    N2: TMenuItem;
    Previsualizar1: TMenuItem;
    Imprimir1: TMenuItem;
    TBXSeparatorItem14: TTBXSeparatorItem;
    TBXItem33: TTBXItem;
    actDuplicar: TAction;
    TBXSeparatorItem15: TTBXSeparatorItem;
    TBXItem34: TTBXItem;
    Duplicar1: TMenuItem;
    actAnchoAuto: TAction;
    TBXItem35: TTBXItem;
    actFiltrar: TAction;
    TBXItem37: TTBXItem;
    lblAno: TTBXLabelItem;
    cbxListaAnos: TTBXComboBoxItem;
    sepAno: TTBXSeparatorItem;
    actPrevisualizarDocumento: TAction;
    TBXItem41: TTBXItem;
    actImprimirDocumento: TAction;
    TBXItem42: TTBXItem;
    procedure tbxEditFiltroChange(Sender: TObject; const Text: String);
    procedure FormShow(Sender: TObject);
    procedure actConfPaginaExecute(Sender: TObject);
    procedure actQuitarFiltroExecute(Sender: TObject);
    procedure actModificarExecute(Sender: TObject);
    procedure actEliminarExecute(Sender: TObject);
    procedure actDuplicarUpdate(Sender: TObject);
    procedure actDuplicarExecute(Sender: TObject);
    procedure JvFormStorageSavePlacement(Sender: TObject);
    procedure JvFormStorageRestorePlacement(Sender: TObject);
    procedure actRefrescarExecute(Sender: TObject);
    procedure actAnchoAutoExecute(Sender: TObject);
    procedure actFiltrarExecute(Sender: TObject);
    procedure actFiltrarUpdate(Sender: TObject);

    procedure actPrevisualizarExecute(Sender: TObject);
    procedure actPrevisualizarDocumentoExecute(Sender: TObject);
    procedure actPrevisualizarDocumentoUpdate(Sender: TObject);

    procedure actImprimirExecute(Sender: TObject);
    procedure actImprimirDocumentoExecute(Sender: TObject);
    procedure actImprimirDocumentoUpdate(Sender: TObject);

  private
    FListaAnos: TStringList;
    FViewGrid : IViewGrid;
    FWhereDataTable: WideString;

    function GetListaAnos: TStringList;
    procedure SetListaAnos(const Value: TStringList);

    function GetWhereDataTable: String;
    procedure SetWhereDataTable(const Value: String);

  protected
    procedure SetViewGrid(const Value : IViewGrid); virtual;
    function GetViewGrid: IViewGrid;

  public
    property ListaAnos: TStringList read GetListaAnos write SetListaAnos;
    property WhereDataTable: String read GetWhereDataTable write SetWhereDataTable;
    property ViewGrid: IViewGrid read GetViewGrid write SetViewGrid;
    constructor Create(AOwner : TComponent); override;
    destructor Destroy; override;

  end;

implementation

uses
  uDataModuleBase, uCustomEditor, cxGridTableView, uBizInformesBase;

{$R *.dfm}

{
********************************* TfEditorGrid *********************************
}
destructor TfEditorGrid.Destroy;
begin
  FWhereDataTable := '';
  FViewGrid := NIL;
  if Assigned(FListaAnos) then
     FlistaAnos.Free;

  inherited;
end;

function TfEditorGrid.GetViewGrid: IViewGrid;
begin
  Result := FViewGrid;
end;

procedure TfEditorGrid.SetViewGrid(const Value: IViewGrid);
begin
  FViewGrid := Value;
  if Assigned(FViewGrid) then
  begin
    FViewGrid.PopupMenu := GridPopupMenu;
    FViewGrid.OnDblClick := actModificar.OnExecute;
  end;
end;

procedure TfEditorGrid.tbxEditFiltroChange(Sender: TObject; const Text: String);
begin
  if Assigned(ViewGrid) then
    ViewGrid.Filter := Text;
end;

procedure TfEditorGrid.FormShow(Sender: TObject);
begin
  inherited;
  cbxListaAnos.ItemIndex := 0;  //OJO EL ORDEN PORQUE EL ShowEmbedded hace el open de la tabla

  if Assigned(ViewGrid) then
     ViewGrid.ShowEmbedded(Self);
end;

procedure TfEditorGrid.actPrevisualizarExecute(Sender: TObject);
begin
  inherited;
  ViewGrid.Preview;
end;

procedure TfEditorGrid.actConfPaginaExecute(Sender: TObject);
begin
  inherited;
  ViewGrid.PrintSetup;
end;

procedure TfEditorGrid.actImprimirExecute(Sender: TObject);
begin
  inherited;
  ViewGrid.Print;
end;

procedure TfEditorGrid.actQuitarFiltroExecute(Sender: TObject);
begin
  if Assigned(ViewGrid) then
  begin
    tbxEditFiltro.Text := '';
    ViewGrid.Filter := '';
  end;
end;

procedure TfEditorGrid.actModificarExecute(Sender: TObject);
begin
  inherited;
  ViewGrid.SyncFocusedRecordsFromGrid;
end;

procedure TfEditorGrid.actEliminarExecute(Sender: TObject);
begin
  ViewGrid.SyncFocusedRecordsFromGrid;  // Esto va ANTES del inherited. No cambiar.
  inherited;
end;

constructor TfEditorGrid.Create(AOwner: TComponent);
begin
  inherited;
  actModificar.ShortCut := ShortCut(VK_RETURN, []);
end;

procedure TfEditorGrid.actDuplicarUpdate(Sender: TObject);
begin
  if Assigned(dsDataTable.DataTable) then
    (Sender as TAction).Enabled := (not dsDataTable.DataTable.IsEmpty)
      and not (dsDataTable.DataTable.State = dsInsert)
  else
    (Sender as TAction).Enabled := False;
end;

procedure TfEditorGrid.actDuplicarExecute(Sender: TObject);
begin
  ViewGrid.SyncFocusedRecordsFromGrid;  // Esto va ANTES del inherited. No cambiar.
  inherited;
end;

procedure TfEditorGrid.JvFormStorageSavePlacement(Sender: TObject);
begin
  inherited;
  if Assigned(ViewGrid) then
    ViewGrid.StoreToRegistry;
end;

procedure TfEditorGrid.JvFormStorageRestorePlacement(Sender: TObject);
begin
  inherited;
  if Assigned(ViewGrid) then
    ViewGrid.RestoreFromRegistry;
end;

procedure TfEditorGrid.actRefrescarExecute(Sender: TObject);
var
  FocusedRow, TopRow : Integer;
begin
  ViewGrid.SyncFocusedRecordsFromGrid;

  TopRow := (ViewGrid.Grid.ActiveView.Controller as TcxGridTableController).TopRowIndex;
  FocusedRow := ViewGrid.Grid.ActiveView.DataController.FocusedRowIndex;

  inherited;

  ViewGrid.Grid.ActiveView.DataController.FocusedRowIndex := FocusedRow;
  (ViewGrid.Grid.ActiveView.Controller as TcxGridTableController).TopRowIndex := TopRow;
  //  ViewGrid.Grid.ActiveView.Controller.TopRowIndex := TopRow;

//  ViewGrid.SyncFocusedRecordsFromDataSet;
end;

procedure TfEditorGrid.actAnchoAutoExecute(Sender: TObject);
begin
  inherited;
  if Assigned(ViewGrid) then
    ViewGrid.AjustarAncho;
end;

procedure TfEditorGrid.actFiltrarExecute(Sender: TObject);
begin
  inherited;
  if Assigned(ViewGrid) then
     ViewGrid.ActivarDesactivarFiltros;

  if Assigned(ViewGrid) then
     if ViewGrid.EstanFiltrosVisible then
     begin
       tbxEditFiltro.Visible := False;
       TBXItem7.Visible := False;
     end
     else
     begin
       tbxEditFiltro.Text := '';
       tbxEditFiltro.Visible := True;
       TBXItem7.Visible := True;
     end;
end;

procedure TfEditorGrid.actFiltrarUpdate(Sender: TObject);
begin
  inherited;
  if Assigned(ViewGrid) then
    (Sender as TAction).Checked := ViewGrid.EstanFiltrosVisible
end;

function TfEditorGrid.GetListaAnos: TStringList;
begin
  Result := FListaAnos;
end;

function TfEditorGrid.GetWhereDataTable: String;
begin
  Result := FWhereDataTable;
end;

procedure TfEditorGrid.SetListaAnos(const Value: TStringList);
var
  i: Integer;
  AStringAnterior: String;

begin
  AStringAnterior := '';
  if Assigned(FListaAnos) then
  begin
     AStringAnterior := FListaAnos.ValueFromIndex[cbxListaAnos.ItemIndex];
     FListaAnos.Free;
  end;

  //Se asigna el nuevo TStringList
  FListaAnos := Value;

  if Assigned(FListaAnos) then
  begin
    cbxListaAnos.Strings.BeginUpdate;
    cbxListaAnos.Strings.Clear;
    for i := 0 to FListaAnos.Count - 1 do
        cbxListaAnos.Strings.Append(FListaAnos.Names[i]);

    //Se posiciona en el elemento que habia anteriormente
    if Length(AStringAnterior) > 0 then
    begin
      if FListaAnos.IndexOfName(AStringAnterior) <> -1 then
         cbxListaAnos.ItemIndex := FListaAnos.IndexOfName(AStringAnterior)
      else
         cbxListaAnos.ItemIndex := 0;
    end;

    cbxListaAnos.Strings.EndUpdate;
  end;
end;

procedure TfEditorGrid.SetWhereDataTable(const Value: String);
begin
  FWhereDataTable := Value;
end;

procedure TfEditorGrid.actPrevisualizarDocumentoExecute(Sender: TObject);
var
  aInf : IBizInformesAware;

begin
  inherited;
  ViewGrid.SyncFocusedRecordsFromGrid;

  if Assigned(dsDataTable.DataTable) and
    Supports(dsDataTable.DataTable, IBizInformesAware, aInf) then
    aInf.Preview;
end;

procedure TfEditorGrid.actPrevisualizarDocumentoUpdate(Sender: TObject);
begin
  inherited;
  if Assigned(dsDataTable.DataTable) then
    (Sender as TAction).Enabled := (not dsDataTable.DataTable.IsEmpty)
      and not (dsDataTable.DataTable.State = dsInsert)
  else
    (Sender as TAction).Enabled := False;
end;

procedure TfEditorGrid.actImprimirDocumentoExecute(Sender: TObject);
var
  aInf : IBizInformesAware;

begin
  inherited;
  ViewGrid.SyncFocusedRecordsFromGrid;

  if Assigned(dsDataTable.DataTable) and
    Supports(dsDataTable.DataTable, IBizInformesAware, aInf) then
    aInf.Print;
end;

procedure TfEditorGrid.actImprimirDocumentoUpdate(Sender: TObject);
begin
  inherited;
  if Assigned(dsDataTable.DataTable) then
    (Sender as TAction).Enabled := (not dsDataTable.DataTable.IsEmpty)
      and not (dsDataTable.DataTable.State = dsInsert)
  else
    (Sender as TAction).Enabled := False;
end;

initialization
  RegisterClass(TfEditorGrid);

finalization
  UnRegisterClass(TfEditorGrid);

end.