svx/source/svdraw/svdtext.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 <svx/svdotext.hxx>
  21 #include <svx/svdetc.hxx>
  22 #include <editeng/outlobj.hxx>
  23 #include <svx/svdoutl.hxx>
  24 #include <svx/svdmodel.hxx>
  25 #include <svl/itemset.hxx>
  26 #include <libxml/xmlwriter.h>
  27 #include <memory>
  28
  29 SdrText::SdrText( SdrTextObj& rObject )
  30 : mrObject( rObject )
  31 , mbPortionInfoChecked( false )
  32 {
  33     OSL_ENSURE(&mrObject, "SdrText created without SdrTextObj (!)");
  34 }
  35
  36 SdrText::~SdrText()
  37 {
  38     clearWeak();
  39 }
  40
  41 void SdrText::CheckPortionInfo( SdrOutliner& rOutliner )
  42 {
  43     if(mbPortionInfoChecked)
  44         return;
  45
  46     // #i102062# no action when the Outliner is the HitTestOutliner,
  47     // this will remove WrongList info at the OPO
  48     if(&rOutliner == &mrObject.getSdrModelFromSdrObject().GetHitTestOutliner())
  49         return;
  50
  51     // TODO: optimization: we could create a BigTextObject
  52     mbPortionInfoChecked=true;
  53
  54     if(mpOutlinerParaObject!=nullptr && rOutliner.ShouldCreateBigTextObject())
  55     {
  56         // #i102062# MemoryLeak closed
  57         mpOutlinerParaObject = rOutliner.CreateParaObject();
  58     }
  59 }
  60
  61 void SdrText::ReformatText()
  62 {
  63     mbPortionInfoChecked=false;
  64     mpOutlinerParaObject->ClearPortionInfo();
  65 }
  66
  67 const SfxItemSet& SdrText::GetItemSet() const
  68 {
  69     return const_cast< SdrText* >(this)->GetObjectItemSet();
  70 }
  71
  72 void SdrText::SetOutlinerParaObject( std::unique_ptr<OutlinerParaObject> pTextObject )
  73 {
  74     assert ( !mpOutlinerParaObject || (mpOutlinerParaObject.get() != pTextObject.get()) );
  75
  76     // Update HitTestOutliner
  77     const SdrTextObj* pTestObj(mrObject.getSdrModelFromSdrObject().GetHitTestOutliner().GetTextObj());
  78
  79     if(pTestObj && pTestObj->GetOutlinerParaObject() == mpOutlinerParaObject.get())
  80     {
  81         mrObject.getSdrModelFromSdrObject().GetHitTestOutliner().SetTextObj(nullptr);
  82     }
  83
  84     mpOutlinerParaObject = std::move(pTextObject);
  85     mbPortionInfoChecked = false;
  86 }
  87
  88 OutlinerParaObject* SdrText::GetOutlinerParaObject() const
  89 {
  90     return mpOutlinerParaObject.get();
  91 }
  92
  93 /** returns the current OutlinerParaObject and removes it from this instance */
  94 std::unique_ptr<OutlinerParaObject> SdrText::RemoveOutlinerParaObject()
  95 {
  96     // Update HitTestOutliner
  97     const SdrTextObj* pTestObj(mrObject.getSdrModelFromSdrObject().GetHitTestOutliner().GetTextObj());
  98
  99     if(pTestObj && pTestObj->GetOutlinerParaObject() == mpOutlinerParaObject.get())
 100     {
 101         mrObject.getSdrModelFromSdrObject().GetHitTestOutliner().SetTextObj(nullptr);
 102     }
 103
 104     std::unique_ptr<OutlinerParaObject> pOPO = std::move(mpOutlinerParaObject);
 105     mbPortionInfoChecked = false;
 106
 107     return pOPO;
 108 }
 109
 110 void SdrText::ForceOutlinerParaObject( OutlinerMode nOutlMode )
 111 {
 112     if(mpOutlinerParaObject)
 113         return;
 114
 115     std::unique_ptr<Outliner> pOutliner(
 116         SdrMakeOutliner(
 117             nOutlMode,
 118             mrObject.getSdrModelFromSdrObject()));
 119
 120     if(pOutliner)
 121     {
 122         Outliner& aDrawOutliner(mrObject.getSdrModelFromSdrObject().GetDrawOutliner());
 123         pOutliner->SetCalcFieldValueHdl( aDrawOutliner.GetCalcFieldValueHdl() );
 124         pOutliner->SetStyleSheet( 0, GetStyleSheet());
 125         SetOutlinerParaObject( pOutliner->CreateParaObject() );
 126     }
 127 }
 128
 129 const SfxItemSet& SdrText::GetObjectItemSet()
 130 {
 131     return mrObject.GetObjectItemSet();
 132 }
 133
 134 SfxStyleSheet* SdrText::GetStyleSheet() const
 135 {
 136     return mrObject.GetStyleSheet();
 137 }
 138
 139 void SdrText::dumpAsXml(xmlTextWriterPtr pWriter) const
 140 {
 141     xmlTextWriterStartElement(pWriter, BAD_CAST("SdrText"));
 142     mpOutlinerParaObject->dumpAsXml(pWriter);
 143     xmlTextWriterEndElement(pWriter);
 144 }
 145
 146 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */