/* -*- 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 <vcl/svapp.hxx>
#include <comphelper/sequence.hxx>
#include <cppuhelper/supportsservice.hxx>
#include <cppuhelper/queryinterface.hxx>
#include <cursuno.hxx>
#include <cellsuno.hxx>
#include <docsh.hxx>
#include <markdata.hxx>

using namespace com::sun::star;

constexpr OUString SCSHEETCELLCURSOR_SERVICE = u"com.sun.star.sheet.SheetCellCursor"_ustr;
constexpr OUString SCCELLCURSOR_SERVICE = u"com.sun.star.table.CellCursor"_ustr;

ScCellCursorObj::ScCellCursorObj(ScDocShell* pDocSh, const ScRange& rR) :
    ScCellCursorObj_BASE( pDocSh, rR )
{
}

ScCellCursorObj::~ScCellCursorObj()
{
}

// XSheetCellCursor

void SAL_CALL ScCellCursorObj::collapseToCurrentRegion()
{
    SolarMutexGuard aGuard;
    const ScRangeList& rRanges = GetRangeList();
    OSL_ENSURE( rRanges.size() == 1, "Range? Ranges?" );
    ScRange aOneRange( rRanges[ 0 ] );

    aOneRange.PutInOrder();
    ScDocShell* pDocSh = GetDocShell();
    if ( !pDocSh )
        return;

    SCCOL nStartCol = aOneRange.aStart.Col();
    SCROW nStartRow = aOneRange.aStart.Row();
    SCCOL nEndCol = aOneRange.aEnd.Col();
    SCROW nEndRow = aOneRange.aEnd.Row();
    SCTAB nTab = aOneRange.aStart.Tab();

    pDocSh->GetDocument().GetDataArea(
                    nTab, nStartCol, nStartRow, nEndCol, nEndRow, true, false );

    ScRange aNew( nStartCol, nStartRow, nTab, nEndCol, nEndRow, nTab );
    SetNewRange( aNew );
}

void SAL_CALL ScCellCursorObj::collapseToCurrentArray()
{
    SolarMutexGuard aGuard;
    const ScRangeList& rRanges = GetRangeList();
    OSL_ENSURE( rRanges.size() == 1, "Range? Ranges?" );
    ScRange aOneRange( rRanges[ 0 ] );

    aOneRange.PutInOrder();
    ScAddress aCursor(aOneRange.aStart);        //  use the start address of the range

    ScDocShell* pDocSh = GetDocShell();
    if ( pDocSh )
    {
        ScDocument& rDoc = pDocSh->GetDocument();
        ScRange aMatrix;

        // finding the matrix range is now in GetMatrixFormulaRange in the document
        if ( rDoc.GetMatrixFormulaRange( aCursor, aMatrix ) )
        {
            SetNewRange( aMatrix );
        }
    }
    // that's a Bug, that this assertion comes; the API Reference says, that
    // if there is no Matrix, the Range is left unchanged; they say nothing
    // about an exception
    /*if (!bFound)
    {
        OSL_FAIL("no matrix");
        //! Exception, or what?
    }*/
}

void SAL_CALL ScCellCursorObj::collapseToMergedArea()
{
    SolarMutexGuard aGuard;
    ScDocShell* pDocSh = GetDocShell();
    if ( pDocSh )
    {
        const ScRangeList& rRanges = GetRangeList();
        OSL_ENSURE( rRanges.size() == 1, "Range? Ranges?" );
        ScRange aNewRange( rRanges[ 0 ] );

        ScDocument& rDoc = pDocSh->GetDocument();
        rDoc.ExtendOverlapped( aNewRange );
        rDoc.ExtendMerge( aNewRange );                 // after ExtendOverlapped!

        SetNewRange( aNewRange );
    }
}

void SAL_CALL ScCellCursorObj::expandToEntireColumns()
{
    SolarMutexGuard aGuard;
    const ScRangeList& rRanges = GetRangeList();
    OSL_ENSURE( rRanges.size() == 1, "Range? Ranges?" );
    ScRange aNewRange( rRanges[ 0 ] );

    aNewRange.aStart.SetRow( 0 );
    aNewRange.aEnd.SetRow( GetDocShell()->GetDocument().MaxRow() );

    SetNewRange( aNewRange );
}

void SAL_CALL ScCellCursorObj::expandToEntireRows()
{
    SolarMutexGuard aGuard;
    const ScRangeList& rRanges = GetRangeList();
    OSL_ENSURE( rRanges.size() == 1, "Range? Ranges?" );
    ScRange aNewRange( rRanges[ 0 ] );

    aNewRange.aStart.SetCol( 0 );
    aNewRange.aEnd.SetCol( GetDocShell()->GetDocument().MaxCol() );

    SetNewRange( aNewRange );
}

void SAL_CALL ScCellCursorObj::collapseToSize( sal_Int32 nColumns, sal_Int32 nRows )
{
    SolarMutexGuard aGuard;
    if ( nColumns <= 0 || nRows <= 0 )
    {
        OSL_FAIL("Empty range not allowed");
        //! and then?
    }
    else
    {
        const ScRangeList& rRanges = GetRangeList();
        OSL_ENSURE( rRanges.size() == 1, "Range? Ranges?" );
        ScRange aNewRange( rRanges[ 0 ] );

        aNewRange.PutInOrder();    //! really?

        const auto & rDoc = GetDocShell()->GetDocument();
        tools::Long nEndX = aNewRange.aStart.Col() + nColumns - 1;
        tools::Long nEndY = aNewRange.aStart.Row() + nRows - 1;
        if ( nEndX < 0 )      nEndX = 0;
        if ( nEndX > rDoc.MaxCol() ) nEndX = rDoc.MaxCol();
        if ( nEndY < 0 )      nEndY = 0;
        if ( nEndY > rDoc.MaxRow() ) nEndY = rDoc.MaxRow();
        //! error/exception or so, if too big/small

        aNewRange.aEnd.SetCol(static_cast<SCCOL>(nEndX));
        aNewRange.aEnd.SetRow(static_cast<SCROW>(nEndY));

        aNewRange.PutInOrder();    //! really?

        SetNewRange( aNewRange );
    }
}

// XUsedAreaCursor

void SAL_CALL ScCellCursorObj::gotoStartOfUsedArea(sal_Bool bExpand)
{
    SolarMutexGuard aGuard;
    ScDocShell* pDocSh = GetDocShell();
    if ( !pDocSh )
        return;

    const ScRangeList& rRanges = GetRangeList();
    OSL_ENSURE( rRanges.size() == 1, "Range? Ranges?" );
    ScRange aNewRange( rRanges[0] );
    SCTAB nTab = aNewRange.aStart.Tab();

    SCCOL nUsedX = 0;       // fetch the beginning
    SCROW nUsedY = 0;
    if (!pDocSh->GetDocument().GetDataStart( nTab, nUsedX, nUsedY ))
    {
        nUsedX = 0;
        nUsedY = 0;
    }

    aNewRange.aStart.SetCol( nUsedX );
    aNewRange.aStart.SetRow( nUsedY );
    if (!bExpand)
        aNewRange.aEnd = aNewRange.aStart;
    SetNewRange( aNewRange );
}

void SAL_CALL ScCellCursorObj::gotoEndOfUsedArea( sal_Bool bExpand )
{
    SolarMutexGuard aGuard;
    ScDocShell* pDocSh = GetDocShell();
    if ( !pDocSh )
        return;

    const ScRangeList& rRanges = GetRangeList();
    OSL_ENSURE( rRanges.size() == 1, "Range? Ranges?" );
    ScRange aNewRange( rRanges[ 0 ]);
    SCTAB nTab = aNewRange.aStart.Tab();

    SCCOL nUsedX = 0;       // fetch the end
    SCROW nUsedY = 0;
    if (!pDocSh->GetDocument().GetTableArea( nTab, nUsedX, nUsedY, true ))
    {
        nUsedX = 0;
        nUsedY = 0;
    }

    aNewRange.aEnd.SetCol( nUsedX );
    aNewRange.aEnd.SetRow( nUsedY );
    if (!bExpand)
        aNewRange.aStart = aNewRange.aEnd;
    SetNewRange( aNewRange );
}

// XCellCursor

void SAL_CALL ScCellCursorObj::gotoStart()
{
    //  this is similar to collapseToCurrentRegion
    //! something like gotoEdge with 4 possible directions is needed

    SolarMutexGuard aGuard;
    const ScRangeList& rRanges = GetRangeList();
    OSL_ENSURE( rRanges.size() == 1, "Range? Ranges?" );
    ScRange aOneRange( rRanges[ 0 ]);

    aOneRange.PutInOrder();
    ScDocShell* pDocSh = GetDocShell();
    if ( !pDocSh )
        return;

    SCCOL nStartCol = aOneRange.aStart.Col();
    SCROW nStartRow = aOneRange.aStart.Row();
    SCCOL nEndCol = aOneRange.aEnd.Col();
    SCROW nEndRow = aOneRange.aEnd.Row();
    SCTAB nTab = aOneRange.aStart.Tab();

    pDocSh->GetDocument().GetDataArea(
                    nTab, nStartCol, nStartRow, nEndCol, nEndRow, false, false );

    ScRange aNew( nStartCol, nStartRow, nTab );
    SetNewRange( aNew );
}

void SAL_CALL ScCellCursorObj::gotoEnd()
{
    //  this is similar to collapseToCurrentRegion
    //! something like gotoEdge with 4 possible directions is needed

    SolarMutexGuard aGuard;
    const ScRangeList& rRanges = GetRangeList();
    OSL_ENSURE( rRanges.size() == 1, "Range? Ranges?" );
    ScRange aOneRange( rRanges[ 0 ] );

    aOneRange.PutInOrder();
    ScDocShell* pDocSh = GetDocShell();
    if ( !pDocSh )
        return;

    SCCOL nStartCol = aOneRange.aStart.Col();
    SCROW nStartRow = aOneRange.aStart.Row();
    SCCOL nEndCol = aOneRange.aEnd.Col();
    SCROW nEndRow = aOneRange.aEnd.Row();
    SCTAB nTab = aOneRange.aStart.Tab();

    pDocSh->GetDocument().GetDataArea(
                    nTab, nStartCol, nStartRow, nEndCol, nEndRow, false, false );

    ScRange aNew( nEndCol, nEndRow, nTab );
    SetNewRange( aNew );
}

void SAL_CALL ScCellCursorObj::gotoNext()
{
    SolarMutexGuard aGuard;
    const ScRangeList& rRanges = GetRangeList();
    OSL_ENSURE( rRanges.size() == 1, "Range? Ranges?" );
    ScRange aOneRange( rRanges[ 0 ] );

    aOneRange.PutInOrder();
    ScAddress aCursor(aOneRange.aStart);        //  always use start of block

    ScMarkData aMark(GetDocument()->GetSheetLimits());   // not used with bMarked=FALSE
    SCCOL nNewX = aCursor.Col();
    SCROW nNewY = aCursor.Row();
    SCTAB nTab  = aCursor.Tab();
    ScDocShell* pDocSh = GetDocShell();
    if ( pDocSh )
        pDocSh->GetDocument().GetNextPos( nNewX,nNewY, nTab,  1,0, false,true, aMark );
    //! otherwise exception or so

    SetNewRange( ScRange( nNewX, nNewY, nTab ) );
}

void SAL_CALL ScCellCursorObj::gotoPrevious()
{
    SolarMutexGuard aGuard;
    const ScRangeList& rRanges = GetRangeList();
    OSL_ENSURE( rRanges.size() == 1, "Range? Ranges?" );
    ScRange aOneRange( rRanges[ 0 ] );

    aOneRange.PutInOrder();
    ScAddress aCursor(aOneRange.aStart);        //  always use start of block

    ScMarkData aMark(GetDocument()->GetSheetLimits());   // not used with bMarked=FALSE
    SCCOL nNewX = aCursor.Col();
    SCROW nNewY = aCursor.Row();
    SCTAB nTab  = aCursor.Tab();
    ScDocShell* pDocSh = GetDocShell();
    if ( pDocSh )
        pDocSh->GetDocument().GetNextPos( nNewX,nNewY, nTab, -1,0, false,true, aMark );
    //! otherwise exception or so

    SetNewRange( ScRange( nNewX, nNewY, nTab ) );
}

void SAL_CALL ScCellCursorObj::gotoOffset( sal_Int32 nColumnOffset, sal_Int32 nRowOffset )
{
    SolarMutexGuard aGuard;
    const ScRangeList& rRanges = GetRangeList();
    OSL_ENSURE( rRanges.size() == 1, "Range? Ranges?" );
    ScRange aOneRange( rRanges[ 0 ] );
    aOneRange.PutInOrder();

    const auto & rDoc = GetDocShell()->GetDocument();
    if ( aOneRange.aStart.Col() + nColumnOffset >= 0 &&
         aOneRange.aEnd.Col()   + nColumnOffset <= rDoc.MaxCol() &&
         aOneRange.aStart.Row() + nRowOffset    >= 0 &&
         aOneRange.aEnd.Row()   + nRowOffset    <= rDoc.MaxRow() )
    {
        ScRange aNew( static_cast<SCCOL>(aOneRange.aStart.Col() + nColumnOffset),
                      static_cast<SCROW>(aOneRange.aStart.Row() + nRowOffset),
                      aOneRange.aStart.Tab(),
                      static_cast<SCCOL>(aOneRange.aEnd.Col() + nColumnOffset),
                      static_cast<SCROW>(aOneRange.aEnd.Row() + nRowOffset),
                      aOneRange.aEnd.Tab() );
        SetNewRange( aNew );
    }
}

// XSheetCellRange

uno::Reference<sheet::XSpreadsheet> SAL_CALL ScCellCursorObj::getSpreadsheet()
{
    SolarMutexGuard aGuard;
    return ScCellRangeObj::getSpreadsheet();
}

// XCellRange

uno::Reference<table::XCell> SAL_CALL ScCellCursorObj::getCellByPosition(
                                        sal_Int32 nColumn, sal_Int32 nRow )
{
    SolarMutexGuard aGuard;
    return ScCellRangeObj::getCellByPosition(nColumn,nRow);
}

uno::Reference<table::XCellRange> SAL_CALL ScCellCursorObj::getCellRangeByPosition(
                sal_Int32 nLeft, sal_Int32 nTop, sal_Int32 nRight, sal_Int32 nBottom )
{
    SolarMutexGuard aGuard;
    return ScCellRangeObj::getCellRangeByPosition(nLeft,nTop,nRight,nBottom);
}

uno::Reference<table::XCellRange> SAL_CALL ScCellCursorObj::getCellRangeByName(
                        const OUString& rRange )
{
    SolarMutexGuard aGuard;
    return ScCellRangeObj::getCellRangeByName(rRange);
}

// XServiceInfo

OUString SAL_CALL ScCellCursorObj::getImplementationName()
{
    return u"ScCellCursorObj"_ustr;
}

sal_Bool SAL_CALL ScCellCursorObj::supportsService( const OUString& rServiceName )
{
    return cppu::supportsService(this, rServiceName);
}

uno::Sequence<OUString> SAL_CALL ScCellCursorObj::getSupportedServiceNames()
{
    //  SheetCellCursor should be first (?)
    return comphelper::concatSequences<OUString>(
        { SCSHEETCELLCURSOR_SERVICE, SCCELLCURSOR_SERVICE },
        ScCellRangeObj::getSupportedServiceNames());
}

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */