unit uViewInfVentasAlbArticuloGrid;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, uViewInformeBaseGrid, DB, uDADataTable, cxStyles, cxCustomData,
  cxGraphics, cxFilter, cxData, cxDataStorage, cxEdit, cxDBData,
  cxTextEdit, cxGridLevel, cxGridCustomTableView, cxGridTableView,
  cxGridDBTableView, cxClasses, cxControls, cxGridCustomView, cxGrid,
  cxCurrencyEdit, cxCalendar, dxPSGlbl, dxPSUtl, dxPrnPg, dxBkgnd, dxWrap,
  dxPrnDev, dxPSEngn, dxPSCompsProvider, dxPSFillPatterns,
  dxPSEdgePatterns, dxPSCore, dxPScxCommon, dxPScxGrid6Lnk, dxPgsDlg,
  cxDropDownEdit, StdCtrls, cxSpinEdit, cxCalc;

type
  IViewInfVentasAlbArticuloGrid = interface(IViewInformeBaseGrid)
  ['{17FAC839-1CCF-4534-B4E1-32374D0CA77E}']
  end;

  TfrViewInfVentasAlbArticuloGrid = class(TfrViewInformeBaseGrid, IViewInfVentasAlbArticuloGrid)
    cxGrid: TcxGrid;
    cxGridView: TcxGridDBTableView;
    cxGridLevel: TcxGridLevel;
    cxStyleRepository1: TcxStyleRepository;
    cxStyleRed: TcxStyle;
    cxStyleBlue: TcxStyle;
    cxStyleFilterBox: TcxStyle;
    cxGridViewRecID: TcxGridDBColumn;
    cxGridViewID_ALBARAN: TcxGridDBColumn;
    cxGridViewID_EMPRESA: TcxGridDBColumn;
    cxGridViewREFERENCIA_ALBARAN: TcxGridDBColumn;
    cxGridViewFECHA_ALBARAN: TcxGridDBColumn;
    cxGridViewIMPORTE_TOTAL_ALBARAN: TcxGridDBColumn;
    cxGridViewID_ARTICULO: TcxGridDBColumn;
    cxGridViewFAMILIA: TcxGridDBColumn;
    cxGridViewREFERENCIA: TcxGridDBColumn;
    cxGridViewREFERENCIA_PROV: TcxGridDBColumn;
    cxGridViewDESCRIPCION: TcxGridDBColumn;
    cxGridViewCOMISIONABLE: TcxGridDBColumn;
    cxGridViewINVENTARIABLE: TcxGridDBColumn;
    cxGridViewIMPORTE_UNIDAD_COSTE: TcxGridDBColumn;
    cxGridViewDESCUENTO_PROVEEDOR_COSTE: TcxGridDBColumn;
    cxGridViewIMPORTE_NETO_COSTE: TcxGridDBColumn;
    cxGridViewIMPORTE_PORTE_COSTE: TcxGridDBColumn;
    cxGridViewCANTIDAD: TcxGridDBColumn;
    cxGridViewIMPORTE_UNIDAD_VENTA: TcxGridDBColumn;
    cxGridViewDESCUENTO_CLIENTE_VENTA: TcxGridDBColumn;
    cxGridViewIMPORTE_TOTAL_VENTA: TcxGridDBColumn;
    cxGridViewNIF_CIF_PROVEEDOR: TcxGridDBColumn;
    cxGridViewNOMBRE_PROVEEDOR: TcxGridDBColumn;
    cxGridViewNIF_CIF_CLIENTE: TcxGridDBColumn;
    cxGridViewNOMBRE_CLIENTE: TcxGridDBColumn;
    cxGridViewNOMBRE_COMERCIAL_CLIENTE: TcxGridDBColumn;
    cxGridViewNIF_CIF_AGENTE: TcxGridDBColumn;
    cxGridViewNOMBRE_AGENTE: TcxGridDBColumn;
    cxGridViewCOMISION_AGENTE: TcxGridDBColumn;
    cxGridViewIMPORTE_COMISION_AGENTE: TcxGridDBColumn;
    cxGridViewIMPORTE_NETO_VENTA: TcxGridDBColumn;
    procedure cxGridViewStylesGetContentStyle(Sender: TcxCustomGridTableView; ARecord: TcxCustomGridRecord;
      AItem: TcxCustomGridTableItem; out AStyle: TcxStyle);
    procedure cxGridViewColumnPosChanged(Sender: TcxGridTableView; AColumn: TcxGridColumn);
    procedure cxGridViewColumnSizeChanged(Sender: TcxGridTableView; AColumn: TcxGridColumn);
    procedure cxGridViewDataControllerGroupingChanged(Sender: TObject);
    procedure cxGridViewDataControllerSortingChanged(Sender: TObject);
    procedure cxGridViewDataControllerSummaryAfterSummary(ASender: TcxDataSummary);
    procedure cxGridViewDataControllerFilterChanged(Sender: TObject);
  protected
    procedure ActivarEventos; override;
    procedure DesactivarEventos; override;
    function GetFocusedView : TcxGridDBTableView; override;
  public
    procedure Refresh; override;
    constructor Create(AOwner: TComponent); override;
  end;

implementation

uses
  cxVariants, uDateUtils;

{$R *.dfm}

{ TfrInfVentasAlbArticuloGrid }

function TfrViewInfVentasAlbArticuloGrid.GetFocusedView: TcxGridDBTableView;
begin
  Result := cxGridView;
end;

procedure TfrViewInfVentasAlbArticuloGrid.Refresh;
var
  FocusedRow, TopRow, i : Integer;
begin
  inherited;
  { Refrescar las filas del grid a partir del dataset y colocar la fila
    seleccionada donde estaba }
  if FocusedView.DataController.DataSource.DataSet.State = dsBrowse then
  begin
    TopRow := FocusedView.Controller.TopRowIndex;
    FocusedRow := FocusedView.DataController.FocusedRowIndex;

    FocusedView.DataController.UpdateItems(False);  // <- Refresco

    FocusedView.DataController.FocusedRowIndex := FocusedRow;
    FocusedView.Controller.TopRowIndex := TopRow;

    //Para que el usuario pueda ocultar y desocultar columnas sin afectar al informe
    for i := 0 to FocusedView.ColumnCount - 1 do
        FocusedView.Columns[i].Hidden := not FocusedView.Columns[i].Visible;
  end;
end;

procedure TfrViewInfVentasAlbArticuloGrid.cxGridViewStylesGetContentStyle(
  Sender: TcxCustomGridTableView; ARecord: TcxCustomGridRecord;
  AItem: TcxCustomGridTableItem; out AStyle: TcxStyle);
var
  AColumn : TcxGridDBColumn;
  AFecha : TDateTime;
begin
  inherited;

  // La fila es la cabecera de un grupo
{  if ARecord.Expandable then
    Exit;

  AColumn := FocusedView.GetColumnByFieldName('FECHA');
  if Assigned(AColumn) and (AColumn.Visible) then
  begin
    try
      AFecha := VarToDateTime(ARecord.Values[AColumn.Index]);
    except
      on Exception do
        ShowMessage(VarToStr(ARecord.Values[AColumn.Index]));
    end;

    if DaysBetween(Now, AFecha) > 14 then
      AStyle := cxStyleRed
    else
      if DaysBetween(Now, AFecha) > 7 then
        AStyle := cxStyleBlue
  end; }
end;

procedure TfrViewInfVentasAlbArticuloGrid.cxGridViewColumnPosChanged(
  Sender: TcxGridTableView; AColumn: TcxGridColumn);
begin
  inherited;
  if Assigned(FOnViewChanged) then
    FOnViewChanged(Self);
end;

procedure TfrViewInfVentasAlbArticuloGrid.cxGridViewColumnSizeChanged(
  Sender: TcxGridTableView; AColumn: TcxGridColumn);
begin
  inherited;
  if Assigned(FOnViewChanged) then
    FOnViewChanged(Self);
end;

procedure TfrViewInfVentasAlbArticuloGrid.cxGridViewDataControllerGroupingChanged(
  Sender: TObject);
begin
  inherited;
  if Assigned(FOnViewChanged) then
    FOnViewChanged(Self);
end;

procedure TfrViewInfVentasAlbArticuloGrid.cxGridViewDataControllerSortingChanged(
  Sender: TObject);
begin
  inherited;
  if Assigned(FOnViewChanged) then
    FOnViewChanged(Self);
end;

procedure TfrViewInfVentasAlbArticuloGrid.cxGridViewDataControllerSummaryAfterSummary(
  ASender: TcxDataSummary);
begin
  inherited;
  if Assigned(FOnViewChanged) then
    FOnViewChanged(Self);
end;

procedure TfrViewInfVentasAlbArticuloGrid.cxGridViewDataControllerFilterChanged(
  Sender: TObject);
begin
  if Assigned(FOnFilterChanged) then
    FOnFilterChanged(Self);
end;

constructor TfrViewInfVentasAlbArticuloGrid.Create(AOwner: TComponent);
begin
  inherited;
end;

procedure TfrViewInfVentasAlbArticuloGrid.ActivarEventos;
begin
  inherited;
  with cxGridView do
  begin
    DataController.Filter.OnChanged := cxGridViewDataControllerFilterChanged;
    DataController.Summary.OnAfterSummary := cxGridViewDataControllerSummaryAfterSummary;
    DataController.OnGroupingChanged := cxGridViewDataControllerGroupingChanged;
    DataController.OnSortingChanged := cxGridViewDataControllerSortingChanged;
    OnColumnPosChanged := cxGridViewColumnPosChanged;
    OnColumnSizeChanged := cxGridViewColumnSizeChanged;
  end;
end;

procedure TfrViewInfVentasAlbArticuloGrid.DesactivarEventos;
begin
  inherited;
  with cxGridView do
  begin
    DataController.Filter.OnChanged := nil;
    DataController.Summary.OnAfterSummary := nil;
    DataController.OnGroupingChanged := nil;
    DataController.OnSortingChanged := nil;
    OnColumnPosChanged := nil;
    OnColumnSizeChanged := nil;
  end;
end;

end.