src/TortoiseProc/RevisionGraph/ShowHeads.cpp

   1 // TortoiseSVN - a Windows shell extension for easy version control
   2
   3 // Copyright (C) 2003-2008 - TortoiseSVN
   4
   5 // This program is free software; you can redistribute it and/or
   6 // modify it under the terms of the GNU General Public License
   7 // as published by the Free Software Foundation; either version 2
   8 // of the License, or (at your option) any later version.
   9
  10 // This program is distributed in the hope that it will be useful,
  11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 // GNU General Public License for more details.
  14
  15 // You should have received a copy of the GNU General Public License
  16 // along with this program; if not, write to the Free Software Foundation,
  17 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18 //
  19 #include "StdAfx.h"
  20 #include "ShowHeads.h"
  21 #include "FullGraphNode.h"
  22
  23 // construction
  24
  25 CShowHead::CShowHead (CRevisionGraphOptionList& list)
  26     : inherited (list)
  27 {
  28 }
  29
  30 // implement ICopyFilterOption
  31
  32 ICopyFilterOption::EResult
  33 CShowHead::ShallRemove (const CFullGraphNode* node) const
  34 {
  35     // "Pin" HEAD nodes
  36
  37     return node->GetClassification().Is (CNodeClassification::IS_LAST)
  38          ? ICopyFilterOption::PRESERVE_NODE
  39          : ICopyFilterOption::KEEP_NODE;
  40 }