text: // Copyright (c) 2012 The Chromium Authors. All rights reserved.
  // Use of this source code is governed by a BSD-style license that can be
  // found in the LICENSE file.
  
  #ifndef UI_VIEWS_CONTROLS_TABLE_TABLE_GROUPER_H_
  #define UI_VIEWS_CONTROLS_TABLE_TABLE_GROUPER_H_
  
  #include "ui/views/views_export.h"
  
  namespace views {
  
  struct VIEWS_EXPORT GroupRange {
    int start;
    int length;
  };
  
  // TableGrouper is used by TableView to group a set of rows and treat them
  // as one. Rows that fall in the same group are selected together and sorted
  // together.
  class VIEWS_EXPORT TableGrouper {
   public:
    virtual void GetGroupRange(int model_index, GroupRange* range) = 0;
  
   protected:
    virtual ~TableGrouper() {}
  };
  
  }
  
  #endif  // UI_VIEWS_CONTROLS_TABLE_GROUP_TABLE_VIEW_H_
  