sd/source/ui/view/sdview5.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 <sdpage.hxx>
  21 #include <View.hxx>
  22 #include <pres.hxx>
  23
  24 #include <svx/svdpagv.hxx>
  25
  26 namespace sd {
  27
  28 static bool implIsMultiPresObj( PresObjKind eKind )
  29 {
  30     switch( eKind )
  31     {
  32     case PresObjKind::Outline:
  33     case PresObjKind::Graphic:
  34     case PresObjKind::Object:
  35     case PresObjKind::Chart:
  36     case PresObjKind::OrgChart:
  37     case PresObjKind::Table:
  38     case PresObjKind::Media:
  39         return true;
  40     default:
  41         return false;
  42     }
  43 }
  44
  45 SdPage* View::GetPage()
  46 {
  47     SdPage* pPage = nullptr;
  48     SdrPageView*    pPV = GetSdrPageView();
  49     if( pPV )
  50     {
  51         pPage = static_cast< SdPage* >( pPV->GetPage() );
  52     }
  53
  54     return pPage;
  55 }
  56
  57 // returns selected object in case there's just one object in the selection
  58 SdrObject* View::GetSelectedSingleObject(SdPage const * pPage)
  59 {
  60     SdrObject* pRet = nullptr;
  61     if( pPage )
  62     {
  63         const SdrMarkList& rMarkList = GetMarkedObjectList();
  64
  65         // first try selected shape
  66         if ( rMarkList.GetMarkCount() != 0 )
  67         {
  68             if (rMarkList.GetMarkCount() == 1)
  69             {
  70                 SdrMark* pMark = rMarkList.GetMark(0);
  71                 pRet = pMark->GetMarkedSdrObj();
  72             }
  73         }
  74     }
  75
  76     return pRet;
  77 }
  78
  79 SdrObject* View::GetEmptyPresentationObject( PresObjKind eKind )
  80 {
  81     SdPage* pPage = GetPage();
  82     SdrObject* pEmptyObj = nullptr;
  83
  84     if ( pPage && !pPage->IsMasterPage() ) {
  85         SdrObject* pObj = GetSelectedSingleObject( pPage );
  86
  87         if( pObj && pObj->IsEmptyPresObj() && implIsMultiPresObj( pPage->GetPresObjKind(pObj) ) )
  88             pEmptyObj = pObj;
  89
  90         // try to find empty pres obj of same type
  91         if( !pEmptyObj )
  92         {
  93             int nIndex = 1;
  94             do
  95             {
  96                 pEmptyObj = pPage->GetPresObj(eKind, nIndex++ );
  97             }
  98             while( (pEmptyObj != nullptr) && (!pEmptyObj->IsEmptyPresObj()) );
  99         }
 100
 101         // last try to find empty pres obj of multiple type
 102         if( !pEmptyObj )
 103         {
 104             const std::list< SdrObject* >& rShapes = pPage->GetPresentationShapeList().getList();
 105
 106             auto iter = std::find_if(rShapes.begin(), rShapes.end(),
 107                 [&pPage](SdrObject* pShape) { return pShape->IsEmptyPresObj() && implIsMultiPresObj(pPage->GetPresObjKind(pShape)); });
 108             if (iter != rShapes.end())
 109                 pEmptyObj = (*iter);
 110         }
 111     }
 112
 113     return pEmptyObj;
 114 }
 115
 116 }
 117
 118 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */