Componentes.Terceros.DevExpressVCL/official/x.26/ExpressPrinting System/Sources/dxPSdxDBGrLnk.pas

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{       Developer Express Visual Component Library                  }
{       ExpressPrinting System(tm) COMPONENT SUITE                  }
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unit dxPSdxDBGrLnk;

interface

{$I cxVer.inc}

uses
  dxTL, dxDBGrid, dxPSdxTLLnk, dxPSdxDBCtrlLnk;

type
  TdxDBGridReportLink = class(TdxDBTreeListControlReportLink)
  private
    FSaveOptionsDB: TdxDBGridOptionsDB;
    function GetDBGrid: TdxDBGrid;
  protected
    function GetGroupColumnIndex(ANode: TdxTreeListNode): Integer; override;
    function GetPrevGridMode: Boolean; override;
    procedure InternalRestoreDefaults; override;
    procedure SaveOptionsDB; override;
    procedure TryLoadAllRecords; override;
    procedure UnloadAllRecords; override;    
  public
    function IsDBGridLink: Boolean; override;
    function IsDBTreeListLink: Boolean; override;
  
    property DBGrid: TdxDBGrid read GetDBGrid;
  published
    property Options default [tlpoBands, tlpoHeaders, tlpoFooters, tlpoRowFooters, tlpoPreview, 
      tlpoPreviewGrid, tlpoGrid, tlpoFlatCheckMarks, tlpoSoft3D, tlpoRowFooterGrid, 
      tlpoExpandButtons];
    property OnCustomDrawBandCell;
    property OnCustomDrawCell;
    property OnCustomDrawFooterCell;
    property OnCustomDrawHeaderCell;
    property OnCustomDrawPreviewCell;
    property OnCustomDrawRowFooterCell;
  end;

const
  dxDefaultDBGridPaintOptions: TdxTreeListPaintOptions =
    [tlpoBands, tlpoHeaders, tlpoFooters, tlpoRowFooters, tlpoPreview, 
     tlpoPreviewGrid, tlpoGrid, tlpoFlatCheckMarks, tlpoSoft3D, tlpoRowFooterGrid, 
     tlpoExpandButtons];
   
implementation

uses
  dxPSCore;

{ TdxDBGridReportLink }

function TdxDBGridReportLink.IsDBGridLink: Boolean;
begin
  Result := True;
end;

function TdxDBGridReportLink.IsDBTreeListLink: Boolean;
begin
  Result := False;
end;

function TdxDBGridReportLink.GetDBGrid: TdxDBGrid;
begin
  Result := TdxDBGrid(Component)
end;

procedure TdxDBGridReportLink.InternalRestoreDefaults;
begin
  inherited InternalRestoreDefaults;
  Options := dxDefaultDBGridPaintOptions;
end;

function TdxDBGridReportLink.GetPrevGridMode: Boolean;
begin
  Result := not (edgoLoadAllRecords in DBGrid.OptionsDB);
end;

procedure TdxDBGridReportLink.SaveOptionsDB;
begin
  FSaveOptionsDB := DBGrid.OptionsDB;
end;

procedure TdxDBGridReportLink.TryLoadAllRecords;
begin
  DBGrid.OptionsDB := DBGrid.OptionsDB + [edgoLoadAllRecords] - [edgoCanNavigation];
end;

procedure TdxDBGridReportLink.UnloadAllRecords;
begin
  DBGrid.OptionsDB := FSaveOptionsDB;
end;

function TdxDBGridReportLink.GetGroupColumnIndex(ANode: TdxTreeListNode): Integer;
begin
  if ANode.HasChildren then
    Result := DBGrid.GroupColumns[ANode.Level].Index
  else
    Result := inherited GetGroupColumnIndex(ANode);
end;

initialization
  dxPSRegisterReportLink(TdxDBGridReportLink, TdxDBGrid, TdxTLReportLinkDesignWindow);
 
finalization
  dxPSUnregisterReportLink(TdxDBGridReportLink, TdxDBGrid, TdxTLReportLinkDesignWindow);

end.