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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#include <memory>
#include <vcl/treelistentry.hxx>
#include <vcl/svapp.hxx>
#include <vcl/settings.hxx>
#include <tools/debug.hxx>
void SvTreeListEntry::ClearChildren()
{
m_Children.clear();
}
void SvTreeListEntry::SetListPositions()
{
sal_uLong nCur = 0;
for (auto const& pEntry : m_Children)
{
SvTreeListEntry& rEntry = *pEntry;
rEntry.nListPos &= 0x80000000;
rEntry.nListPos |= nCur;
++nCur;
}
nListPos &= (~0x80000000); // remove the invalid bit.
}
void SvTreeListEntry::InvalidateChildrensListPositions()
{
nListPos |= 0x80000000;
}
SvTreeListEntry::SvTreeListEntry()
: pParent(nullptr)
, nAbsPos(0)
, nListPos(0)
, mnExtraIndent(0)
, pUserData(nullptr)
, nEntryFlags(SvTLEntryFlags::NONE)
, maBackColor(Application::GetSettings().GetStyleSettings().GetWindowColor())
{
}
SvTreeListEntry::~SvTreeListEntry()
{
#ifdef DBG_UTIL
pParent = nullptr;
#endif
m_Children.clear();
m_Items.clear();
}
bool SvTreeListEntry::HasChildren() const
{
return !m_Children.empty();
}
bool SvTreeListEntry::HasChildListPos() const
{
return pParent && !(pParent->nListPos & 0x80000000);
}
sal_uLong SvTreeListEntry::GetChildListPos() const
{
if( pParent && (pParent->nListPos & 0x80000000) )
pParent->SetListPositions();
return ( nListPos & 0x7fffffff );
}
void SvTreeListEntry::Clone(SvTreeListEntry* pSource)
{
nListPos &= 0x80000000;
nListPos |= ( pSource->nListPos & 0x7fffffff);
nAbsPos = pSource->nAbsPos;
mnExtraIndent = pSource->mnExtraIndent;
m_Items.clear();
for (auto const& it : pSource->m_Items)
{
SvLBoxItem* pItem = &(*it);
std::unique_ptr<SvLBoxItem> pNewItem(pItem->Clone(pItem));
m_Items.push_back(std::move(pNewItem));
}
pUserData = pSource->GetUserData();
nEntryFlags = pSource->nEntryFlags;
}
size_t SvTreeListEntry::ItemCount() const
{
return m_Items.size();
}
void SvTreeListEntry::AddItem(std::unique_ptr<SvLBoxItem> pItem)
{
m_Items.push_back(std::move(pItem));
}
void SvTreeListEntry::EnableChildrenOnDemand( bool bEnable )
{
if ( bEnable )
nEntryFlags |= SvTLEntryFlags::CHILDREN_ON_DEMAND;
else
nEntryFlags &= ~SvTLEntryFlags::CHILDREN_ON_DEMAND;
}
void SvTreeListEntry::ReplaceItem(std::unique_ptr<SvLBoxItem> pNewItem, size_t const nPos)
{
DBG_ASSERT(pNewItem,"ReplaceItem:No Item");
if (nPos >= m_Items.size())
{
// Out of bound. Bail out.
pNewItem.reset();
return;
}
m_Items.erase(m_Items.begin()+nPos);
m_Items.insert(m_Items.begin()+nPos, std::move(pNewItem));
}
const SvLBoxItem& SvTreeListEntry::GetItem( size_t nPos ) const
{
return *m_Items[nPos];
}
SvLBoxItem& SvTreeListEntry::GetItem( size_t nPos )
{
return *m_Items[nPos];
}
namespace {
class FindByType
{
SvLBoxItemType meType;
public:
explicit FindByType(SvLBoxItemType eType) : meType(eType) {}
bool operator() (const std::unique_ptr<SvLBoxItem>& rpItem) const
{
return rpItem->GetType() == meType;
}
};
class FindByPointer
{
const SvLBoxItem* mpItem;
public:
explicit FindByPointer(const SvLBoxItem* p) : mpItem(p) {}
bool operator() (const std::unique_ptr<SvLBoxItem>& rpItem) const
{
return rpItem.get() == mpItem;
}
};
}
const SvLBoxItem* SvTreeListEntry::GetFirstItem(SvLBoxItemType eType) const
{
ItemsType::const_iterator it = std::find_if(m_Items.begin(), m_Items.end(), FindByType(eType));
return (it == m_Items.end()) ? nullptr : (*it).get();
}
SvLBoxItem* SvTreeListEntry::GetFirstItem(SvLBoxItemType eType)
{
ItemsType::iterator it = std::find_if(m_Items.begin(), m_Items.end(), FindByType(eType));
return (it == m_Items.end()) ? nullptr : (*it).get();
}
size_t SvTreeListEntry::GetPos( const SvLBoxItem* pItem ) const
{
ItemsType::const_iterator it = std::find_if(m_Items.begin(), m_Items.end(), FindByPointer(pItem));
return it == m_Items.end() ? ITEM_NOT_FOUND : std::distance(m_Items.begin(), it);
}
void SvTreeListEntry::SetUserData( void* pPtr )
{
pUserData = pPtr;
}
bool SvTreeListEntry::HasChildrenOnDemand() const
{
return static_cast<bool>(nEntryFlags & SvTLEntryFlags::CHILDREN_ON_DEMAND);
}
void SvTreeListEntry::SetFlags( SvTLEntryFlags nFlags )
{
nEntryFlags = nFlags;
}
SvTreeListEntry* SvTreeListEntry::NextSibling() const
{
SvTreeListEntries& rList = pParent->m_Children;
sal_uLong nPos = GetChildListPos();
nPos++;
return (nPos < rList.size()) ? rList[nPos].get() : nullptr;
}
SvTreeListEntry* SvTreeListEntry::PrevSibling() const
{
SvTreeListEntries& rList = pParent->m_Children;
sal_uLong nPos = GetChildListPos();
if ( nPos == 0 )
return nullptr;
nPos--;
return rList[nPos].get();
}
SvTreeListEntry* SvTreeListEntry::LastSibling() const
{
SvTreeListEntries& rChildren = pParent->m_Children;
return (rChildren.empty()) ? nullptr : rChildren.back().get();
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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