cxgriduicardhelper.pas

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{                                                                    }
{       Developer Express Visual Component Library                   }
{       ExpressQuantumGrid Utils                                     }
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unit cxGridUICardHelper;

{$I cxVer.inc}

interface

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

type
  TcxGridCardViewOperationHelper = class(TcxGridCustomTableViewOperationHelper)
  protected
    function GetCardViewFromParameter(const AParameter: TcxCustomGridOperationHelperParameters): TcxGridCardView;
    procedure RegisterOperations; override;
    procedure DoLayoutDirection(const AParameter: TcxCustomGridOperationHelperParameters);
    procedure DoShowColumnsCustomizing(const AParameter: TcxCustomGridOperationHelperParameters);
  public
    class function GetViewClass: TcxCustomGridViewClass; override;
  end;

implementation

function TcxGridCardViewOperationHelper.GetCardViewFromParameter(const AParameter: TcxCustomGridOperationHelperParameters): TcxGridCardView;
begin
  Result := AParameter.View as TcxGridCardView;
end;

procedure TcxGridCardViewOperationHelper.RegisterOperations;
begin
  inherited RegisterOperations;
  RegisterOperation(GROP_LAYOUTDIRECTION, DoLayoutDirection);
  RegisterOperation(GROP_SHOWCOLUMNCUSTOMIZING, DoShowColumnsCustomizing);
end;

procedure TcxGridCardViewOperationHelper.DoLayoutDirection(
  const AParameter: TcxCustomGridOperationHelperParameters);
const
  BoolToLayoutDirection: Array[Boolean] of TcxGridCardViewLayoutDirection = (ldHorizontal, ldVertical);
  LayoutDirectionToBool: Array[TcxGridCardViewLayoutDirection] of Boolean = (False,True);
begin
  If AParameter.IsPerform then
    GetCardViewFromParameter(AParameter).LayoutDirection :=
        BoolToLayoutDirection[GetShowProperty(AParameter)]
  else
    SetShowProperty(AParameter,LayoutDirectionToBool[GetCardViewFromParameter(AParameter).LayoutDirection]);
end;

procedure TcxGridCardViewOperationHelper.DoShowColumnsCustomizing(const AParameter: TcxCustomGridOperationHelperParameters);
begin
  if AParameter.IsPerform then
    GetCardViewFromParameter(AParameter).Controller.Customization := GetShowProperty(AParameter)
  else SetShowProperty(AParameter, GetCardViewFromParameter(AParameter).Controller.Customization);
end;

class function TcxGridCardViewOperationHelper.GetViewClass: TcxCustomGridViewClass;
begin
  Result := TcxGridCardView;
end;

initialization
  RegisterGridViewOperationHelper(TcxGridCardViewOperationHelper);
end.