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Yajbir Singh f1b860b25c
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updated
2025-12-11 19:03:17 +05:30

176 lines
4.3 KiB
C++

/*
* (c) Copyright Ascensio System SIA 2010-2023
*
* This program is a free software product. You can redistribute it and/or
* modify it under the terms of the GNU Affero General Public License (AGPL)
* version 3 as published by the Free Software Foundation. In accordance with
* Section 7(a) of the GNU AGPL its Section 15 shall be amended to the effect
* that Ascensio System SIA expressly excludes the warranty of non-infringement
* of any third-party rights.
*
* This program is distributed WITHOUT ANY WARRANTY; without even the implied
* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. For
* details, see the GNU AGPL at: http://www.gnu.org/licenses/agpl-3.0.html
*
* You can contact Ascensio System SIA at 20A-6 Ernesta Birznieka-Upish
* street, Riga, Latvia, EU, LV-1050.
*
* The interactive user interfaces in modified source and object code versions
* of the Program must display Appropriate Legal Notices, as required under
* Section 5 of the GNU AGPL version 3.
*
* Pursuant to Section 7(b) of the License you must retain the original Product
* logo when distributing the program. Pursuant to Section 7(e) we decline to
* grant you any rights under trademark law for use of our trademarks.
*
* All the Product's GUI elements, including illustrations and icon sets, as
* well as technical writing content are licensed under the terms of the
* Creative Commons Attribution-ShareAlike 4.0 International. See the License
* terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode
*
*/
#include "Outline.h"
#include "Destination.h"
#define OUTLINE_CLOSED 0
#define OUTLINE_OPENED 1
namespace PdfWriter
{
COutline::COutline(CXref* pXref)
{
pXref->Add(this);
CNumberObject* pOpenFlag = new CNumberObject(OUTLINE_OPENED);
if (!pOpenFlag)
return;
pOpenFlag->SetHidden();
Add("_OPENED", pOpenFlag);
Add("Type", "Outlines");
}
COutline::COutline(COutline* pParent, const char* sTitle, CXref* pXref)
{
if (!pParent || !pXref)
return;
pXref->Add(this);
CStringObject* pString = new CStringObject(sTitle, true);
if (!pString)
return;
Add("Title", pString);
CNumberObject* pOpenFlag = new CNumberObject(OUTLINE_OPENED);
if (!pOpenFlag)
return;
pOpenFlag->SetHidden();
Add("_OPENED", pOpenFlag);
Add("Type", "Outline");
pParent->AddChild(this);
}
void COutline::BeforeWrite()
{
CNumberObject* pNumber = (CNumberObject*)Get("Count");
unsigned int unCount = CountChild();
if (0 == unCount && pNumber)
return Remove("Count");
if (!GetOpened())
unCount *= -1;
if (pNumber)
pNumber->Set(unCount);
else if (unCount)
Add("Count", unCount);
}
void COutline::AddChild(COutline* pItem)
{
COutline* pFirst = (COutline*)Get("First");
COutline* pLast = (COutline*)Get("Last");
if (!pFirst)
Add("First", pItem);
if (pLast)
{
pLast->Add("Next", pItem);
pItem->Add("Prev", pLast);
}
Add("Last", pItem);
pItem->Add("Parent", this);
}
unsigned int COutline::CountChild()
{
COutline* pOutline = GetFirst();
unsigned int unCount = 0;
while (pOutline)
{
unCount++;
if (pOutline->GetOpened())
unCount += pOutline->CountChild();
pOutline = pOutline->GetNext();
}
return unCount;
}
COutline* COutline::GetFirst()
{
return (COutline*)Get("First");
}
COutline* COutline::GetLast ()
{
return (COutline*)Get("Last");
}
COutline* COutline::GetPrev ()
{
return (COutline*)Get("Prev");
}
COutline* COutline::GetNext ()
{
return (COutline*)Get("Next");
}
COutline* COutline::GetParent()
{
return (COutline*)Get("Parent");
}
bool COutline::GetOpened()
{
CNumberObject* pNumber = (CNumberObject*)Get("_OPENED");
if (!pNumber)
return false;
return (pNumber->Get() == OUTLINE_OPENED ? true : false);
}
void COutline::SetDestination(CDestination* pDestination)
{
if (NULL == pDestination)
Remove("Dest");
else
Add("Dest", pDestination);
}
void COutline::SetOpened(bool bOpened)
{
CNumberObject* pNumber = (CNumberObject*)Get("_OPENED");
if (!pNumber)
{
pNumber = new CNumberObject(bOpened ? OUTLINE_OPENED : OUTLINE_CLOSED);
if (pNumber)
Add("_OPENED", pNumber);
}
else
pNumber->Set(bOpened ? OUTLINE_OPENED : OUTLINE_CLOSED);
}
}