svx/source/svdraw/svdoutlinercache.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include <svdoutlinercache.hxx>
  21 #include <svx/svdoutl.hxx>
  22 #include <svx/svdmodel.hxx>
  23 #include <svx/svdetc.hxx>
  24
  25 SdrOutlinerCache::SdrOutlinerCache( SdrModel* pModel )
  26 :   mpModel( pModel )
  27 {
  28 }
  29
  30 std::unique_ptr<SdrOutliner> SdrOutlinerCache::createOutliner( OutlinerMode nOutlinerMode )
  31 {
  32     std::unique_ptr<SdrOutliner> pOutliner;
  33
  34     if( (OutlinerMode::OutlineObject == nOutlinerMode) && !maModeOutline.empty() )
  35     {
  36         pOutliner = std::move(maModeOutline.back());
  37         maModeOutline.pop_back();
  38     }
  39     else if( (OutlinerMode::TextObject == nOutlinerMode) && !maModeText.empty() )
  40     {
  41         pOutliner = std::move(maModeText.back());
  42         maModeText.pop_back();
  43     }
  44     else
  45     {
  46         pOutliner = SdrMakeOutliner(nOutlinerMode, *mpModel);
  47         Outliner& aDrawOutliner = mpModel->GetDrawOutliner();
  48         pOutliner->SetCalcFieldValueHdl( aDrawOutliner.GetCalcFieldValueHdl() );
  49         maActiveOutliners.insert(pOutliner.get());
  50     }
  51
  52     return pOutliner;
  53 }
  54
  55 SdrOutlinerCache::~SdrOutlinerCache()
  56 {
  57 }
  58
  59 void SdrOutlinerCache::disposeOutliner( std::unique_ptr<SdrOutliner> pOutliner )
  60 {
  61     if( !pOutliner )
  62         return;
  63
  64     OutlinerMode nOutlMode = pOutliner->GetOutlinerMode();
  65
  66     if( OutlinerMode::OutlineObject == nOutlMode )
  67     {
  68         pOutliner->Clear();
  69         pOutliner->SetVertical( false );
  70
  71         // Deregister on outliner, might be reused from outliner cache
  72         pOutliner->SetNotifyHdl( Link<EENotify&,void>() );
  73         maModeOutline.emplace_back(std::move(pOutliner));
  74     }
  75     else if( OutlinerMode::TextObject == nOutlMode )
  76     {
  77         pOutliner->Clear();
  78         pOutliner->SetVertical( false );
  79
  80         // Deregister on outliner, might be reused from outliner cache
  81         pOutliner->SetNotifyHdl( Link<EENotify&,void>() );
  82         maModeText.emplace_back(std::move(pOutliner));
  83     }
  84     else
  85     {
  86         maActiveOutliners.erase(pOutliner.get());
  87     }
  88 }
  89
  90 std::vector< SdrOutliner* > SdrOutlinerCache::GetActiveOutliners() const
  91 {
  92     return std::vector< SdrOutliner* >(maActiveOutliners.begin(), maActiveOutliners.end());
  93 }
  94
  95 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */