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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/.
*/
#include <grouparealistener.hxx>
#include <brdcst.hxx>
#include <formulacell.hxx>
#include <bulkdatahint.hxx>
#include <columnspanset.hxx>
#include <column.hxx>
namespace sc {
namespace {
class Notifier : std::unary_function<ScFormulaCell*, void>
{
const SfxHint& mrHint;
public:
Notifier( const SfxHint& rHint ) : mrHint(rHint) {}
void operator() ( ScFormulaCell* pCell )
{
pCell->Notify(mrHint);
}
};
class CollectCellAction : public sc::ColumnSpanSet::ColumnAction
{
const FormulaGroupAreaListener& mrAreaListener;
ScAddress maPos;
std::vector<ScFormulaCell*> maCells;
public:
CollectCellAction( const FormulaGroupAreaListener& rAreaListener ) :
mrAreaListener(rAreaListener) {}
virtual void startColumn( ScColumn* pCol ) SAL_OVERRIDE
{
maPos.SetTab(pCol->GetTab());
maPos.SetCol(pCol->GetCol());
}
virtual void execute( SCROW nRow1, SCROW nRow2, bool bVal ) SAL_OVERRIDE
{
if (!bVal)
return;
mrAreaListener.collectFormulaCells(maPos.Tab(), maPos.Col(), nRow1, nRow2, maCells);
};
void swapCells( std::vector<ScFormulaCell*>& rCells )
{
// Remove duplicate before the swap.
std::sort(maCells.begin(), maCells.end());
std::vector<ScFormulaCell*>::iterator it = std::unique(maCells.begin(), maCells.end());
maCells.erase(it, maCells.end());
rCells.swap(maCells);
}
};
}
FormulaGroupAreaListener::FormulaGroupAreaListener(
const ScRange& rRange, ScFormulaCell** ppTopCell, SCROW nGroupLen, bool bStartFixed, bool bEndFixed ) :
maRange(rRange),
mppTopCell(ppTopCell),
mnGroupLen(nGroupLen),
mbStartFixed(bStartFixed),
mbEndFixed(bEndFixed)
{
assert(mppTopCell); // This can't be NULL.
}
ScRange FormulaGroupAreaListener::getListeningRange() const
{
ScRange aRet = maRange;
if (!mbEndFixed)
aRet.aEnd.IncRow(mnGroupLen-1);
return aRet;
}
void FormulaGroupAreaListener::Notify( const SfxHint& rHint )
{
const SfxSimpleHint* pSimpleHint = dynamic_cast<const SfxSimpleHint*>(&rHint);
if (!pSimpleHint)
return;
switch (pSimpleHint->GetId())
{
case SC_HINT_DATACHANGED:
notifyCellChange(rHint, static_cast<const ScHint*>(pSimpleHint)->GetAddress());
break;
case SC_HINT_BULK_DATACHANGED:
{
const BulkDataHint& rBulkHint = static_cast<const BulkDataHint&>(*pSimpleHint);
notifyBulkChange(rBulkHint);
}
break;
default:
;
}
}
void FormulaGroupAreaListener::notifyBulkChange( const BulkDataHint& rHint )
{
const ColumnSpanSet* pSpans = rHint.getSpans();
if (!pSpans)
return;
ScDocument& rDoc = const_cast<BulkDataHint&>(rHint).getDoc();
CollectCellAction aAction(*this);
pSpans->executeColumnAction(rDoc, aAction);
std::vector<ScFormulaCell*> aCells;
aAction.swapCells(aCells);
ScHint aHint(SC_HINT_DATACHANGED, ScAddress());
std::for_each(aCells.begin(), aCells.end(), Notifier(aHint));
}
void FormulaGroupAreaListener::collectFormulaCells(
SCTAB nTab, SCCOL nCol, SCROW nRow1, SCROW nRow2, std::vector<ScFormulaCell*>& rCells ) const
{
PutInOrder(nRow1, nRow2);
if (nTab < maRange.aStart.Tab() || maRange.aEnd.Tab() < nTab)
// Wrong sheet.
return;
if (nCol < maRange.aStart.Col() || maRange.aEnd.Col() < nCol)
// Outside the column range.
return;
ScFormulaCell** pp = mppTopCell;
ScFormulaCell** ppEnd = pp + mnGroupLen;
if (mbStartFixed)
{
if (mbEndFixed)
{
// Both top and bottom row positions are absolute. Use the original range as-is.
SCROW nRefRow1 = maRange.aStart.Row();
SCROW nRefRow2 = maRange.aEnd.Row();
if (nRow2 < nRefRow1 || nRefRow2 < nRow1)
return;
for (; pp != ppEnd; ++pp)
rCells.push_back(*pp);
}
else
{
// Only the end row is relative.
SCROW nRefRow1 = maRange.aStart.Row();
SCROW nRefRow2 = maRange.aEnd.Row();
SCROW nMaxRefRow = nRefRow2 + mnGroupLen - 1;
if (nRow2 < nRefRow1 || nMaxRefRow < nRow1)
return;
if (nRefRow2 < nRow1)
{
// Skip ahead to the first hit.
SCROW nSkip = nRow1 - nRefRow2;
pp += nSkip;
nRefRow2 += nSkip;
}
assert(nRow1 <= nRefRow2);
// Notify the first hit cell and all subsequent ones.
for (; pp != ppEnd; ++pp)
rCells.push_back(*pp);
}
}
else if (mbEndFixed)
{
// Only the start row is relative.
SCROW nRefRow1 = maRange.aStart.Row();
SCROW nRefRow2 = maRange.aEnd.Row();
if (nRow2 < nRefRow1 || nRefRow2 < nRow1)
return;
for (; pp != ppEnd && nRefRow1 <= nRefRow2; ++pp, ++nRefRow1)
rCells.push_back(*pp);
}
else
{
// Both top and bottom row positions are relative.
SCROW nRefRow1 = maRange.aStart.Row();
SCROW nRefRow2 = maRange.aEnd.Row();
SCROW nMaxRefRow = nRefRow2 + mnGroupLen - 1;
if (nMaxRefRow < nRow1)
return;
if (nRefRow2 < nRow1)
{
// The ref row range is above the changed row span. Skip ahead.
SCROW nSkip = nRow1 - nRefRow2;
pp += nSkip;
nRefRow1 += nSkip;
nRefRow2 += nSkip;
}
// At this point the initial ref row range should be overlapping the
// dirty cell range.
assert(nRow1 <= nRefRow2);
// Keep sliding down until the top ref row position is below the
// bottom row of the dirty cell range.
for (; pp != ppEnd && nRefRow1 <= nRow2; ++pp, ++nRefRow1, ++nRefRow2)
rCells.push_back(*pp);
}
}
#if DEBUG_AREA_BROADCASTER
ScAddress FormulaGroupAreaListener::getTopCellPos() const
{
const ScFormulaCell& rFC = **mppTopCell;
return rFC.aPos;
}
SCROW FormulaGroupAreaListener::getGroupLength() const
{
return mnGroupLen;
}
#endif
void FormulaGroupAreaListener::notifyCellChange( const SfxHint& rHint, const ScAddress& rPos )
{
// Determine which formula cells within the group need to be notified of this change.
std::vector<ScFormulaCell*> aCells;
collectFormulaCells(rPos.Tab(), rPos.Col(), rPos.Row(), rPos.Row(), aCells);
std::for_each(aCells.begin(), aCells.end(), Notifier(rHint));
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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