Componentes.Terceros.DevExpressVCL/official/x.38/ExpressQuantumGrid 6/Sources/cxGridDBBandedTableView.pas

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{       Developer Express Visual Component Library                   }
{       ExpressQuantumGrid                                           }
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unit cxGridDBBandedTableView;

{$I cxVer.inc}

interface

uses
  Classes, cxStorage, cxCustomData, cxDBData,
  cxGridCustomTableView, cxGridDBDataDefinitions, cxGridBandedTableView;

type
  TcxGridDBBandedTableView = class;

  TcxGridDBBandedColumn = class(TcxGridBandedColumn)
  private
    function GetDataBinding: TcxGridItemDBDataBinding;
    procedure SetDataBinding(Value: TcxGridItemDBDataBinding);
  published
    property DataBinding: TcxGridItemDBDataBinding read GetDataBinding write SetDataBinding;
  end;

  TcxGridDBBandedTableView = class(TcxGridBandedTableView)
  private
    function GetColumn(Index: Integer): TcxGridDBBandedColumn;
    function GetDataController: TcxGridDBDataController;
    procedure SetColumn(Index: Integer; Value: TcxGridDBBandedColumn);
    procedure SetDataController(Value: TcxGridDBDataController);
  protected
    function GetDataControllerClass: TcxCustomDataControllerClass; override;
    function GetItemClass: TcxCustomGridTableItemClass; override;
    function GetSummaryItemClass: TcxDataSummaryItemClass; override;
  public
    function CreateColumn: TcxGridDBBandedColumn;
    function GetColumnByFieldName(const AFieldName: string): TcxGridDBBandedColumn;
    property Columns[Index: Integer]: TcxGridDBBandedColumn read GetColumn write SetColumn;
  published
    property DataController: TcxGridDBDataController read GetDataController write SetDataController;
  end;

implementation

uses
  cxGridCustomView, cxGridDBTableView;

{ TcxGridDBBandedColumn }

function TcxGridDBBandedColumn.GetDataBinding: TcxGridItemDBDataBinding;
begin
  Result := TcxGridItemDBDataBinding(inherited DataBinding);
end;

procedure TcxGridDBBandedColumn.SetDataBinding(Value: TcxGridItemDBDataBinding);
begin
  inherited DataBinding := Value;
end;

{ TcxGridDBBandedTableView }

function TcxGridDBBandedTableView.GetColumn(Index: Integer): TcxGridDBBandedColumn;
begin
  Result := TcxGridDBBandedColumn(inherited Columns[Index]);
end;

function TcxGridDBBandedTableView.GetDataController: TcxGridDBDataController;
begin
  Result := TcxGridDBDataController(FDataController);
end;

procedure TcxGridDBBandedTableView.SetColumn(Index: Integer; Value: TcxGridDBBandedColumn);
begin
  inherited Columns[Index] := Value;
end;

procedure TcxGridDBBandedTableView.SetDataController(Value: TcxGridDBDataController);
begin
  FDataController.Assign(Value);
end;

function TcxGridDBBandedTableView.GetDataControllerClass: TcxCustomDataControllerClass;
begin
  Result := TcxGridDBDataController;
end;

function TcxGridDBBandedTableView.GetItemClass: TcxCustomGridTableItemClass;
begin
  Result := TcxGridDBBandedColumn;
end;

function TcxGridDBBandedTableView.GetSummaryItemClass: TcxDataSummaryItemClass;
begin
  Result := TcxGridDBTableSummaryItem;
end;

function TcxGridDBBandedTableView.CreateColumn: TcxGridDBBandedColumn;
begin
  Result := TcxGridDBBandedColumn(inherited CreateColumn);
end;

function TcxGridDBBandedTableView.GetColumnByFieldName(const AFieldName: string): TcxGridDBBandedColumn;
begin
  Result := TcxGridDBBandedColumn(DataController.GetItemByFieldName(AFieldName));
end;

initialization
  cxGridRegisteredViews.Register(TcxGridDBBandedTableView, 'DB Banded Table');
  Classes.RegisterClass(TcxGridDBBandedColumn);

finalization
  cxGridRegisteredViews.Unregister(TcxGridDBBandedTableView);

end.