{********************************************************************}
{                                                                    }
{       Developer Express Visual Component Library                   }
{       ExpressQuantumGrid Utils                                     }
{                                                                    }
{       Copyright (c) 1998-2009 Developer Express Inc.               }
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{   RESTRICTIONS                                                     }
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{********************************************************************}

unit cxGridUICustomTableHelper;

{$I cxVer.inc}

interface

uses
  Classes, SysUtils, cxGrid, cxGridCustomView, cxGridUIHelper,
  cxGridCustomTableView;

type
  TcxGridCustomTableViewOperationHelper = class(TcxCustomGridViewOperationHelper)
  protected
    procedure RegisterOperations; override;
    procedure DoCopyToClipboard(const AParameter: TcxCustomGridOperationHelperParameters);
    procedure DoShowEditButtons(const AParameter: TcxCustomGridOperationHelperParameters);
  public
    class function GetViewClass: TcxCustomGridViewClass; override;
  end;

implementation

uses
{$IFDEF DELPHI6}
  Variants,
{$ENDIF}
  cxGridTableView, DB, cxGridDBDataDefinitions;

{ TcxGridCustomTableViewOperationHelper }
procedure TcxGridCustomTableViewOperationHelper.RegisterOperations;
begin
  inherited RegisterOperations;
  RegisterOperation(GROP_SHOWEDITBUTTONS, DoShowEditButtons);
  RegisterOperation(GROP_COPYTOCLIPBOARD, DoCopyToClipboard);
end;

procedure TcxGridCustomTableViewOperationHelper.DoCopyToClipboard(
  const AParameter: TcxCustomGridOperationHelperParameters);
begin
  TcxCustomGridTableView(AParameter.View).CopyToClipboard(False);
end;

procedure TcxGridCustomTableViewOperationHelper.DoShowEditButtons(
  const AParameter: TcxCustomGridOperationHelperParameters);
const
  ShowEditButtonsToBool: Array[TcxGridShowEditButtons] of Boolean = (False, False, True);
  BoolToShowEditButtons: Array[Boolean] of TcxGridShowEditButtons = (gsebNever, gsebAlways);
begin
  if AParameter.IsPerform then
    TcxCustomGridTableView(AParameter.View).OptionsView.ShowEditButtons :=
      BoolToShowEditButtons[GetShowProperty(AParameter)]
  else
    SetShowProperty(AParameter,
      ShowEditButtonsToBool[TcxCustomGridTableView(AParameter.View).OptionsView.ShowEditButtons]);
end;

class function TcxGridCustomTableViewOperationHelper.GetViewClass: TcxCustomGridViewClass;
begin
  Result := TcxCustomGridTableView;
end;

initialization
  RegisterGridViewOperationHelper(TcxGridCustomTableViewOperationHelper);

end.