diff options
Diffstat (limited to 'svx/source/table/cellcursor.cxx')
| -rw-r--r-- | svx/source/table/cellcursor.cxx | 546 |
1 files changed, 546 insertions, 0 deletions
diff --git a/svx/source/table/cellcursor.cxx b/svx/source/table/cellcursor.cxx new file mode 100644 index 000000000..313ec63df --- /dev/null +++ b/svx/source/table/cellcursor.cxx @@ -0,0 +1,546 @@ +/* -*- 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 <sal/config.h> + +#include <com/sun/star/lang/NoSupportException.hpp> +#include <svx/svdotable.hxx> +#include "cellcursor.hxx" +#include "tablelayouter.hxx" +#include <cell.hxx> +#include <svx/svdmodel.hxx> +#include <svx/strings.hrc> +#include <svx/dialmgr.hxx> +#include <tools/debug.hxx> +#include <tools/diagnose_ex.h> + + +using namespace ::com::sun::star::uno; +using namespace ::com::sun::star::lang; +using namespace ::com::sun::star::container; +using namespace ::com::sun::star::beans; +using namespace ::com::sun::star::table; + + +namespace sdr::table { + +CellCursor::CellCursor( const TableModelRef & xTable, sal_Int32 nLeft, sal_Int32 nTop, sal_Int32 nRight, sal_Int32 nBottom ) +: CellCursorBase( xTable, nLeft, nTop, nRight, nBottom ) +{ +} + + +CellCursor::~CellCursor() +{ +} + + +// XCellCursor + + +Reference< XCell > SAL_CALL CellCursor::getCellByPosition( sal_Int32 nColumn, sal_Int32 nRow ) +{ + return CellRange::getCellByPosition( nColumn, nRow ); +} + + +Reference< XCellRange > SAL_CALL CellCursor::getCellRangeByPosition( sal_Int32 nLeft, sal_Int32 nTop, sal_Int32 nRight, sal_Int32 nBottom ) +{ + return CellRange::getCellRangeByPosition( nLeft, nTop, nRight, nBottom ); +} + + +Reference< XCellRange > SAL_CALL CellCursor::getCellRangeByName( const OUString& aRange ) +{ + return CellRange::getCellRangeByName( aRange ); +} + + +// XCellCursor + + +void SAL_CALL CellCursor::gotoStart( ) +{ + mnRight = mnLeft; + mnBottom = mnTop; +} + + +void SAL_CALL CellCursor::gotoEnd( ) +{ + mnLeft = mnRight; + mnTop = mnBottom; +} + + +void SAL_CALL CellCursor::gotoNext( ) +{ + if( mxTable.is() ) + { + mnRight++; + if( mnRight >= mxTable->getColumnCount() ) + { + // if we past the last column, try skip to the row line + mnTop++; + if( mnTop >= mxTable->getRowCount() ) + { + // if we past the last row, do not move cursor at all + mnTop--; + mnRight--; + } + else + { + // restart at the first column on the next row + mnRight = 0; + } + } + } + + mnLeft = mnRight; + mnTop = mnBottom; +} + + +void SAL_CALL CellCursor::gotoPrevious( ) +{ + if( mxTable.is() ) + { + if( mnLeft > 0 ) + { + --mnLeft; + } + else if( mnTop > 0 ) + { + --mnTop; + mnLeft = mxTable->getColumnCount() - 1; + } + } + + mnRight = mnLeft; + mnBottom = mnTop; +} + + +void SAL_CALL CellCursor::gotoOffset( ::sal_Int32 nColumnOffset, ::sal_Int32 nRowOffset ) +{ + if( mxTable.is() ) + { + const sal_Int32 nLeft = mnLeft + nColumnOffset; + if( (nLeft >= 0) && (nLeft < mxTable->getColumnCount() ) ) + mnRight = mnLeft = nLeft; + + const sal_Int32 nTop = mnTop + nRowOffset; + if( (nTop >= 0) && (nTop < mxTable->getRowCount()) ) + mnTop = mnBottom = nTop; + } +} + + +// XMergeableCellCursor + + +/** returns true and the merged cell positions if a merge is valid or false if a merge is + not valid for that range */ +bool CellCursor::GetMergedSelection( CellPos& rStart, CellPos& rEnd ) +{ + rStart.mnCol = mnLeft; rStart.mnRow = mnTop; + rEnd.mnCol = mnRight; rEnd.mnRow = mnBottom; + + // single cell merge is never valid + if( mxTable.is() && ((mnLeft != mnRight) || (mnTop != mnBottom)) ) try + { + CellRef xCell( dynamic_cast< Cell* >( mxTable->getCellByPosition( mnLeft, mnTop ).get() ) ); + + // check if first cell is merged + if( xCell.is() && xCell->isMerged() ) + findMergeOrigin( mxTable, mnLeft, mnTop, rStart.mnCol, rStart.mnRow ); + + // check if last cell is merged + xCell.set( dynamic_cast< Cell* >( mxTable->getCellByPosition( mnRight, mnBottom ).get() ) ); + if( xCell.is() ) + { + if( xCell->isMerged() ) + { + findMergeOrigin( mxTable, mnRight, mnBottom, rEnd.mnCol, rEnd.mnRow ); + // merge not possible if selection is only one cell and all its merges + if( rEnd == rStart ) + return false; + xCell.set( dynamic_cast< Cell* >( mxTable->getCellByPosition( rEnd.mnCol, rEnd.mnRow ).get() ) ); + } + } + if( xCell.is() ) + { + rEnd.mnCol += xCell->getColumnSpan()-1; + rEnd.mnRow += xCell->getRowSpan()-1; + } + + // now check if everything is inside the given bounds + sal_Int32 nRow, nCol; + for( nRow = rStart.mnRow; nRow <= rEnd.mnRow; nRow++ ) + { + for( nCol = rStart.mnCol; nCol <= rEnd.mnCol; nCol++ ) + { + xCell.set( dynamic_cast< Cell* >( mxTable->getCellByPosition( nCol, nRow ).get() ) ); + if( !xCell.is() ) + continue; + + if( xCell->isMerged() ) + { + sal_Int32 nOriginCol, nOriginRow; + if( findMergeOrigin( mxTable, nCol, nRow, nOriginCol, nOriginRow ) ) + { + if( (nOriginCol < rStart.mnCol) || (nOriginRow < rStart.mnRow) ) + return false; + + xCell.set( dynamic_cast< Cell* >( mxTable->getCellByPosition( nOriginCol, nOriginRow ).get() ) ); + if( xCell.is() ) + { + nOriginCol += xCell->getColumnSpan()-1; + nOriginRow += xCell->getRowSpan()-1; + + if( (nOriginCol > rEnd.mnCol) || (nOriginRow > rEnd.mnRow) ) + return false; + } + } + } + else if( ((nCol + xCell->getColumnSpan() - 1) > rEnd.mnCol) || ((nRow + xCell->getRowSpan() - 1 ) > rEnd.mnRow) ) + { + return false; + } + } + } + return true; + } + catch( Exception& ) + { + TOOLS_WARN_EXCEPTION("svx.table", ""); + } + return false; +} + + +void SAL_CALL CellCursor::merge( ) +{ + CellPos aStart, aEnd; + if( !GetMergedSelection( aStart, aEnd ) ) + throw NoSupportException(); + + if( !mxTable.is() || (mxTable->getSdrTableObj() == nullptr) ) + throw DisposedException(); + + SdrModel& rModel(mxTable->getSdrTableObj()->getSdrModelFromSdrObject()); + const bool bUndo(mxTable->getSdrTableObj()->IsInserted() && rModel.IsUndoEnabled()); + + if( bUndo ) + rModel.BegUndo( SvxResId(STR_TABLE_MERGE) ); + + try + { + mxTable->merge( aStart.mnCol, aStart.mnRow, aEnd.mnCol - aStart.mnCol + 1, aEnd.mnRow - aStart.mnRow + 1 ); + mxTable->optimize(); + mxTable->setModified(true); + } + catch( Exception& ) + { + TOOLS_WARN_EXCEPTION("svx.table", ""); + } + + if( bUndo ) + rModel.EndUndo(); + + rModel.SetChanged(); +} + + +void CellCursor::split_column( sal_Int32 nCol, sal_Int32 nColumns, std::vector< sal_Int32 >& rLeftOvers ) +{ + const sal_Int32 nRowCount = mxTable->getRowCount(); + + sal_Int32 nNewCols = 0, nRow; + + // first check how many columns we need to add + for( nRow = mnTop; nRow <= mnBottom; ++nRow ) + { + CellRef xCell( dynamic_cast< Cell* >( mxTable->getCellByPosition( nCol, nRow ).get() ) ); + if( xCell.is() && !xCell->isMerged() ) + nNewCols = std::max( nNewCols, nColumns - xCell->getColumnSpan() + 1 - rLeftOvers[nRow] ); + } + + if( nNewCols > 0 ) + { + static const OUStringLiteral sWidth(u"Width"); + Reference< XTableColumns > xCols( mxTable->getColumns(), UNO_SET_THROW ); + Reference< XPropertySet > xRefColumn( xCols->getByIndex( nCol ), UNO_QUERY_THROW ); + sal_Int32 nWidth = 0; + xRefColumn->getPropertyValue( sWidth ) >>= nWidth; + const sal_Int32 nNewWidth = nWidth / (nNewCols + 1); + + // reference column gets new width + rounding errors + xRefColumn->setPropertyValue( sWidth, Any( nWidth - (nNewWidth * nNewCols) ) ); + + xCols->insertByIndex( nCol + 1, nNewCols ); + mnRight += nNewCols; + + // distribute new width + for( sal_Int32 nNewCol = nCol + nNewCols; nNewCol > nCol; --nNewCol ) + { + Reference< XPropertySet > xNewCol( xCols->getByIndex( nNewCol ), UNO_QUERY_THROW ); + xNewCol->setPropertyValue( sWidth, Any( nNewWidth ) ); + } + } + + for( nRow = 0; nRow < nRowCount; ++nRow ) + { + CellRef xCell( dynamic_cast< Cell* >( mxTable->getCellByPosition( nCol, nRow ).get() ) ); + if( !xCell.is() || xCell->isMerged() ) + { + if( nNewCols > 0 ) + { + // merged cells are ignored, but newly added columns will be added to leftovers + xCell.set( dynamic_cast< Cell* >(mxTable->getCellByPosition( nCol+1, nRow ).get() ) ); + if( !xCell.is() || !xCell->isMerged() ) + rLeftOvers[nRow] += nNewCols; + } + } + else + { + sal_Int32 nRowSpan = xCell->getRowSpan() - 1; + sal_Int32 nColSpan = xCell->getColumnSpan() - 1; + + if( (nRow >= mnTop) && (nRow <= mnBottom) ) + { + sal_Int32 nCellsAvailable = 1 + nColSpan + rLeftOvers[nRow]; + if( nColSpan == 0 ) + nCellsAvailable += nNewCols; + + DBG_ASSERT( nCellsAvailable > nColumns, "sdr::table::CellCursor::split_column(), somethings wrong" ); + + sal_Int32 nSplitSpan = (nCellsAvailable / (nColumns + 1)) - 1; + + sal_Int32 nSplitCol = nCol; + sal_Int32 nSplits = nColumns + 1; + while( nSplits-- ) + { + // last split eats rounding cells + if( nSplits == 0 ) + nSplitSpan = nCellsAvailable - ((nSplitSpan+1) * nColumns) - 1; + + mxTable->merge( nSplitCol, nRow, nSplitSpan + 1, nRowSpan + 1); + if( nSplits > 0 ) + nSplitCol += nSplitSpan + 1; + } + + do + { + rLeftOvers[nRow++] = 0; + } + while( nRowSpan-- ); + --nRow; + } + else + { + // cope with outside cells, merge if needed + if( nColSpan < (rLeftOvers[nRow] + nNewCols) ) + mxTable->merge( nCol, nRow, (rLeftOvers[nRow] + nNewCols) + 1, nRowSpan + 1 ); + + do + { + rLeftOvers[nRow++] = 0; // consumed + } + while( nRowSpan-- ); + --nRow; + } + } + } +} + + +void CellCursor::split_horizontal( sal_Int32 nColumns ) +{ + const sal_Int32 nRowCount = mxTable->getRowCount(); + + std::vector< sal_Int32 > aLeftOvers( nRowCount ); + + for( sal_Int32 nCol = mnRight; nCol >= mnLeft; --nCol ) + split_column( nCol, nColumns, aLeftOvers ); +} + + +void CellCursor::split_row( sal_Int32 nRow, sal_Int32 nRows, std::vector< sal_Int32 >& rLeftOvers ) +{ + const sal_Int32 nColCount = mxTable->getColumnCount(); + + sal_Int32 nNewRows = 0, nCol; + + // first check how many columns we need to add + for( nCol = mnLeft; nCol <= mnRight; ++nCol ) + { + CellRef xCell( dynamic_cast< Cell* >( mxTable->getCellByPosition( nCol, nRow ).get() ) ); + if( xCell.is() && !xCell->isMerged() ) + nNewRows = std::max( nNewRows, nRows - xCell->getRowSpan() + 1 - rLeftOvers[nCol] ); + } + + if( nNewRows > 0 ) + { + static const OUStringLiteral sHeight(u"Height"); + Reference< XTableRows > xRows( mxTable->getRows(), UNO_SET_THROW ); + Reference< XPropertySet > xRefRow( xRows->getByIndex( nRow ), UNO_QUERY_THROW ); + sal_Int32 nHeight = 0; + xRefRow->getPropertyValue( sHeight ) >>= nHeight; + const sal_Int32 nNewHeight = nHeight / (nNewRows + 1); + + // reference row gets new height + rounding errors + xRefRow->setPropertyValue( sHeight, Any( nHeight - (nNewHeight * nNewRows) ) ); + + xRows->insertByIndex( nRow + 1, nNewRows ); + mnBottom += nNewRows; + + // distribute new width + for( sal_Int32 nNewRow = nRow + nNewRows; nNewRow > nRow; --nNewRow ) + { + Reference< XPropertySet > xNewRow( xRows->getByIndex( nNewRow ), UNO_QUERY_THROW ); + xNewRow->setPropertyValue( sHeight, Any( nNewHeight ) ); + } + } + + for( nCol = 0; nCol < nColCount; ++nCol ) + { + CellRef xCell( dynamic_cast< Cell* >( mxTable->getCellByPosition( nCol, nRow ).get() ) ); + if( !xCell.is() || xCell->isMerged() ) + { + if( nNewRows ) + { + // merged cells are ignored, but newly added columns will be added to leftovers + xCell.set( dynamic_cast< Cell* >(mxTable->getCellByPosition( nCol, nRow+1 ).get() ) ); + if( !xCell.is() || !xCell->isMerged() ) + rLeftOvers[nCol] += nNewRows; + } + } + else + { + sal_Int32 nRowSpan = xCell->getRowSpan() - 1; + sal_Int32 nColSpan = xCell->getColumnSpan() - 1; + + if( (nCol >= mnLeft) && (nCol <= mnRight) ) + { + sal_Int32 nCellsAvailable = 1 + nRowSpan + rLeftOvers[nCol]; + if( nRowSpan == 0 ) + nCellsAvailable += nNewRows; + + DBG_ASSERT( nCellsAvailable > nRows, "sdr::table::CellCursor::split_row(), somethings wrong" ); + + sal_Int32 nSplitSpan = (nCellsAvailable / (nRows + 1)) - 1; + + sal_Int32 nSplitRow = nRow; + sal_Int32 nSplits = nRows + 1; + while( nSplits-- ) + { + // last split eats rounding cells + if( nSplits == 0 ) + nSplitSpan = nCellsAvailable - ((nSplitSpan+1) * nRows) - 1; + + mxTable->merge( nCol, nSplitRow, nColSpan + 1, nSplitSpan + 1 ); + if( nSplits > 0 ) + nSplitRow += nSplitSpan + 1; + } + + do + { + rLeftOvers[nCol++] = 0; + } + while( nColSpan-- ); + --nCol; + } + else + { + // cope with outside cells, merge if needed + if( nRowSpan < (rLeftOvers[nCol] + nNewRows) ) + mxTable->merge( nCol, nRow, nColSpan + 1, (rLeftOvers[nCol] + nNewRows) + 1 ); + + do + { + rLeftOvers[nCol++] = 0; // consumed + } + while( nColSpan-- ); + --nCol; + } + } + } +} + + +void CellCursor::split_vertical( sal_Int32 nRows ) +{ + const sal_Int32 nColCount = mxTable->getColumnCount(); + + std::vector< sal_Int32 > aLeftOvers( nColCount ); + + for( sal_Int32 nRow = mnBottom; nRow >= mnTop; --nRow ) + split_row( nRow, nRows, aLeftOvers ); +} + + +void SAL_CALL CellCursor::split( sal_Int32 nColumns, sal_Int32 nRows ) +{ + if( (nColumns < 0) || (nRows < 0) ) + throw IllegalArgumentException(); + + if( !mxTable.is() || (mxTable->getSdrTableObj() == nullptr) ) + throw DisposedException(); + + SdrModel& rModel(mxTable->getSdrTableObj()->getSdrModelFromSdrObject()); + const bool bUndo(mxTable->getSdrTableObj()->IsInserted() && rModel.IsUndoEnabled()); + + if( bUndo ) + rModel.BegUndo( SvxResId(STR_TABLE_SPLIT) ); + + try + { + if( nColumns > 0 ) + split_horizontal( nColumns ); + + if( nRows > 0 ) + split_vertical( nRows ); + + if( nColumns > 0 ||nRows > 0 ) + mxTable->setModified(true); + } + catch( Exception& ) + { + TOOLS_WARN_EXCEPTION("svx.table", ""); + throw NoSupportException(); + } + + if( bUndo ) + rModel.EndUndo(); + + rModel.SetChanged(); +} + + +sal_Bool SAL_CALL CellCursor::isMergeable( ) +{ + CellPos aStart, aEnd; + return GetMergedSelection( aStart, aEnd ); +} + + +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |