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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 "layoutatomvisitorbase.hxx"
#include <sal/log.hxx>
using namespace ::com::sun::star;
using namespace ::com::sun::star::uno;
namespace oox::drawingml {
void LayoutAtomVisitorBase::defaultVisit(LayoutAtom const& rAtom)
{
for (const auto& pAtom : rAtom.getChildren())
pAtom->accept(*this);
}
void LayoutAtomVisitorBase::visit(ChooseAtom& rAtom)
{
for (const auto& pChild : rAtom.getChildren())
{
const ConditionAtomPtr pCond = std::dynamic_pointer_cast<ConditionAtom>(pChild);
if (pCond && pCond->getDecision(mpCurrentNode))
{
SAL_INFO("oox.drawingml", "Entering if node: " << pCond->getName());
pCond->accept(*this);
break;
}
}
}
void LayoutAtomVisitorBase::visit(ConditionAtom& rAtom)
{
defaultVisit(rAtom);
}
void LayoutAtomVisitorBase::visit(ForEachAtom& rAtom)
{
if (!rAtom.getRef().isEmpty())
{
if (LayoutAtomPtr pRefAtom = rAtom.getRefAtom())
pRefAtom->accept(*this);
return;
}
if (rAtom.iterator().mbHideLastTrans && !rAtom.iterator().maAxis.empty() && rAtom.iterator().maAxis[0] == XML_followSib)
{
// If last transition is hidden and the axis is the follow sibling,
// then the last atom should not be visited.
if (mnCurrIdx + mnCurrStep >= mnCurrCnt)
return;
}
sal_Int32 nChildren = 1;
// Approximate the non-assistant type with the node type.
if (rAtom.iterator().mnPtType == XML_node || rAtom.iterator().mnPtType == XML_nonAsst)
{
// count child data nodes - check all child Atoms for "name"
// attribute that is contained in diagram's
// getPointsPresNameMap()
ShallowPresNameVisitor aVisitor(mrDgm, mpCurrentNode);
for (const auto& pAtom : rAtom.getChildren())
pAtom->accept(aVisitor);
nChildren = aVisitor.getCount();
}
const sal_Int32 nCnt = std::min(
nChildren,
rAtom.iterator().mnCnt==-1 ? nChildren : rAtom.iterator().mnCnt);
const sal_Int32 nOldIdx = mnCurrIdx;
const sal_Int32 nOldStep = mnCurrStep;
const sal_Int32 nOldCnt = mnCurrCnt;
const sal_Int32 nStep = rAtom.iterator().mnStep;
mnCurrStep = nStep;
mnCurrCnt = nCnt;
for( mnCurrIdx=0; mnCurrIdx<nCnt && nStep>0; mnCurrIdx+=nStep )
{
// TODO there is likely some conditions
for (const auto& pAtom : rAtom.getChildren())
pAtom->accept(*this);
}
// and restore idx
mnCurrIdx = nOldIdx;
mnCurrStep = nOldStep;
mnCurrCnt = nOldCnt;
}
void LayoutAtomVisitorBase::visit(LayoutNode& rAtom)
{
// TODO: deduplicate code in descendants
// stop processing if it's not a child of previous LayoutNode
const DiagramData::PointsNameMap::const_iterator aDataNode
= mrDgm.getData()->getPointsPresNameMap().find(rAtom.getName());
if (aDataNode == mrDgm.getData()->getPointsPresNameMap().end()
|| mnCurrIdx >= static_cast<sal_Int32>(aDataNode->second.size()))
return;
const svx::diagram::Point* pNewNode = aDataNode->second.at(mnCurrIdx);
if (!mpCurrentNode || !pNewNode)
return;
bool bIsChild = false;
for (const auto& aConnection : mrDgm.getData()->getConnections())
if (aConnection.msSourceId == mpCurrentNode->msModelId
&& aConnection.msDestId == pNewNode->msModelId)
bIsChild = true;
if (!bIsChild)
return;
const svx::diagram::Point* pPreviousNode = mpCurrentNode;
mpCurrentNode = pNewNode;
defaultVisit(rAtom);
mpCurrentNode = pPreviousNode;
}
void ShallowPresNameVisitor::visit(ConstraintAtom& /*rAtom*/)
{
// stop processing
}
void ShallowPresNameVisitor::visit(RuleAtom& /*rAtom*/)
{
// stop processing
}
void ShallowPresNameVisitor::visit(AlgAtom& /*rAtom*/)
{
// stop processing
}
void ShallowPresNameVisitor::visit(ForEachAtom& rAtom)
{
defaultVisit(rAtom);
}
void ShallowPresNameVisitor::visit(LayoutNode& rAtom)
{
DiagramData::PointsNameMap::const_iterator aDataNode =
mrDgm.getData()->getPointsPresNameMap().find(rAtom.getName());
if( aDataNode != mrDgm.getData()->getPointsPresNameMap().end() )
mnCnt = std::max(mnCnt,
aDataNode->second.size());
}
void ShallowPresNameVisitor::visit(ShapeAtom& /*rAtom*/)
{
// stop processing
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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