svx/source/svdraw/svdviter.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
  21 #include "svx/svdviter.hxx"
  22 #include <svx/svdobj.hxx>
  23 #include <svx/svdpage.hxx>
  24 #include <svx/svdmodel.hxx>
  25 #include <svx/svdview.hxx>
  26 #include <svx/svdpagv.hxx>
  27 #include <svx/svdsob.hxx>
  28 #include <svx/sdrpaintwindow.hxx>
  29
  30
  31
  32 void SdrViewIter::ImpInitVars()
  33 {
  34     mnListenerNum = 0L;
  35     mnPageViewNum = 0L;
  36     mnOutDevNum = 0L;
  37     mpAktView = 0L;
  38 }
  39
  40
  41
  42 SdrViewIter::SdrViewIter(const SdrPage* pPage, bool bNoMasterPage)
  43 {
  44     mpPage = pPage;
  45     mpModel = (pPage) ? pPage->GetModel() : 0L;
  46     mpObject = 0L;
  47     mbNoMasterPage = bNoMasterPage;
  48     ImpInitVars();
  49 }
  50
  51
  52
  53 SdrViewIter::SdrViewIter(const SdrObject* pObject, bool bNoMasterPage)
  54 {
  55     mpObject = pObject;
  56     mpModel = (pObject) ? pObject->GetModel() : 0L;
  57     mpPage = (pObject) ? pObject->GetPage() : 0L;
  58     mbNoMasterPage = bNoMasterPage;
  59
  60     if(!mpModel || !mpPage)
  61     {
  62         mpModel = 0L;
  63         mpPage = 0L;
  64     }
  65
  66     ImpInitVars();
  67 }
  68
  69
  70
  71 bool SdrViewIter::ImpCheckPageView(SdrPageView* pPV) const
  72 {
  73     if(!mpPage)
  74         return true;
  75
  76     bool bMaster(mpPage->IsMasterPage());
  77     SdrPage* pPg = pPV->GetPage();
  78
  79     if(pPg == mpPage)
  80     {
  81         if(mpObject)
  82         {
  83             // Looking for an object? First, determine if it visible in
  84             // this PageView.
  85             SetOfByte aObjLay;
  86             mpObject->getMergedHierarchyLayerSet(aObjLay);
  87             aObjLay &= pPV->GetVisibleLayers();
  88             return !aObjLay.IsEmpty();
  89         }
  90         else
  91         {
  92             return true;
  93         }
  94     }
  95     else if(!mbNoMasterPage && bMaster && (!mpObject || !mpObject->IsNotVisibleAsMaster()))
  96     {
  97         if(pPg->TRG_HasMasterPage())
  98         {
  99             SdrPage& rMasterPage = pPg->TRG_GetMasterPage();
 100
 101             if(&rMasterPage == mpPage)
 102             {
 103                 // the page we're looking for is a master page in this PageView
 104                 if(mpObject)
 105                 {
 106                     // Looking for an object? First, determine if it visible in
 107                     // this PageView.
 108                     SetOfByte aObjLay;
 109                     mpObject->getMergedHierarchyLayerSet(aObjLay);
 110                     aObjLay &= pPV->GetVisibleLayers();
 111                     aObjLay &= pPg->TRG_GetMasterPageVisibleLayers();
 112
 113                     if(!aObjLay.IsEmpty())
 114                     {
 115                         return true;
 116                     } // else, look at the next master page of this page...
 117                 }
 118                 else
 119                 {
 120                     return true;
 121                 }
 122             }
 123         }
 124     }
 125
 126     // master page forbidden or no fitting master page found
 127     return false;
 128 }
 129
 130 SdrView* SdrViewIter::ImpFindView()
 131 {
 132     if(mpModel)
 133     {
 134         const size_t nLsAnz(mpModel->GetSizeOfVector());
 135
 136         while(mnListenerNum < nLsAnz)
 137         {
 138             SfxListener* pLs = mpModel->GetListener(mnListenerNum);
 139             mpAktView = PTR_CAST(SdrView, pLs);
 140
 141             if(mpAktView)
 142             {
 143                 if(mpPage)
 144                 {
 145                     SdrPageView* pPV = mpAktView->GetSdrPageView();
 146
 147                     if(pPV)
 148                     {
 149                         if(ImpCheckPageView(pPV))
 150                         {
 151                             return mpAktView;
 152                         }
 153                     }
 154                 }
 155                 else
 156                 {
 157                     return mpAktView;
 158                 }
 159             }
 160
 161             mnListenerNum++;
 162         }
 163     }
 164
 165     mpAktView = 0L;
 166     return mpAktView;
 167 }
 168
 169
 170
 171 SdrView* SdrViewIter::FirstView()
 172 {
 173     ImpInitVars();
 174     return ImpFindView();
 175 }
 176
 177
 178
 179 SdrView* SdrViewIter::NextView()
 180 {
 181     mnListenerNum++;
 182     return ImpFindView();
 183 }
 184
 185 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */