/**************************************************************
 * 
 * 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
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 * 
 *************************************************************/



// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_sc.hxx"



#include "scitems.hxx"
#include <svl/intitem.hxx>
#include <svl/zforlist.hxx>
#include <rtl/uuid.h>

#include "cursuno.hxx"
#include "cellsuno.hxx"
#include "docsh.hxx"
#include "hints.hxx"
#include "markdata.hxx"
#include "dociter.hxx"
#include "unoguard.hxx"
#include "miscuno.hxx"

using namespace com::sun::star;

//------------------------------------------------------------------------

#define SCSHEETCELLCURSOR_SERVICE	"com.sun.star.sheet.SheetCellCursor"
#define SCCELLCURSOR_SERVICE		"com.sun.star.table.CellCursor"

//------------------------------------------------------------------------

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

ScCellCursorObj::~ScCellCursorObj()
{
}

uno::Any SAL_CALL ScCellCursorObj::queryInterface( const uno::Type& rType ) throw(uno::RuntimeException)
{
	SC_QUERYINTERFACE( sheet::XSheetCellCursor )
	SC_QUERYINTERFACE( sheet::XUsedAreaCursor )
	SC_QUERYINTERFACE( table::XCellCursor )

	return ScCellRangeObj::queryInterface( rType );
}

void SAL_CALL ScCellCursorObj::acquire() throw()
{
	ScCellRangeObj::acquire();
}

void SAL_CALL ScCellCursorObj::release() throw()
{
	ScCellRangeObj::release();
}

uno::Sequence<uno::Type> SAL_CALL ScCellCursorObj::getTypes() throw(uno::RuntimeException)
{
	static uno::Sequence<uno::Type> aTypes;
	if ( aTypes.getLength() == 0 )
	{
		uno::Sequence<uno::Type> aParentTypes(ScCellRangeObj::getTypes());
		long nParentLen = aParentTypes.getLength();
		const uno::Type* pParentPtr = aParentTypes.getConstArray();

		aTypes.realloc( nParentLen + 3 );
		uno::Type* pPtr = aTypes.getArray();
		pPtr[nParentLen + 0] = getCppuType((const uno::Reference<sheet::XSheetCellCursor>*)0);
		pPtr[nParentLen + 1] = getCppuType((const uno::Reference<sheet::XUsedAreaCursor>*)0);
		pPtr[nParentLen + 2] = getCppuType((const uno::Reference<table::XCellCursor>*)0);

		for (long i=0; i<nParentLen; i++)
			pPtr[i] = pParentPtr[i];				// parent types first
	}
	return aTypes;
}

uno::Sequence<sal_Int8> SAL_CALL ScCellCursorObj::getImplementationId() throw(uno::RuntimeException)
{
	static uno::Sequence< sal_Int8 > aId;
	if( aId.getLength() == 0 )
	{
		aId.realloc( 16 );
		rtl_createUuid( (sal_uInt8 *)aId.getArray(), 0, sal_True );
	}
	return aId;
}

// XSheetCellCursor

void SAL_CALL ScCellCursorObj::collapseToCurrentRegion() throw(uno::RuntimeException)
{
	ScUnoGuard aGuard;
	const ScRangeList& rRanges = GetRangeList();
	DBG_ASSERT( rRanges.Count() == 1, "Range? Ranges?" );
	ScRange aOneRange(*rRanges.GetObject(0));

	aOneRange.Justify();
	ScDocShell* pDocSh = GetDocShell();
	if ( pDocSh )
	{
		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, sal_True, false );

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

void SAL_CALL ScCellCursorObj::collapseToCurrentArray() throw(uno::RuntimeException)
{
	ScUnoGuard aGuard;
	const ScRangeList& rRanges = GetRangeList();
	DBG_ASSERT( rRanges.Count() == 1, "Range? Ranges?" );
	ScRange aOneRange(*rRanges.GetObject(0));

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

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

		// finding the matrix range is now in GetMatrixFormulaRange in the document
		if ( pDoc->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 says nothing
    // about a exception
	/*if (!bFound)
	{
		DBG_ERROR("keine Matrix");
		//!	Exception, oder was?
	}*/
}

void SAL_CALL ScCellCursorObj::collapseToMergedArea() throw(uno::RuntimeException)
{
	ScUnoGuard aGuard;
	ScDocShell* pDocSh = GetDocShell();
	if ( pDocSh )
	{
		const ScRangeList& rRanges = GetRangeList();
		DBG_ASSERT( rRanges.Count() == 1, "Range? Ranges?" );
		ScRange aNewRange(*rRanges.GetObject(0));

		ScDocument* pDoc = pDocSh->GetDocument();
		pDoc->ExtendOverlapped( aNewRange );
		pDoc->ExtendMerge( aNewRange );					// after ExtendOverlapped!

		SetNewRange( aNewRange );
	}
}

void SAL_CALL ScCellCursorObj::expandToEntireColumns() throw(uno::RuntimeException)
{
	ScUnoGuard aGuard;
	const ScRangeList& rRanges = GetRangeList();
	DBG_ASSERT( rRanges.Count() == 1, "Range? Ranges?" );
	ScRange aNewRange(*rRanges.GetObject(0));

	aNewRange.aStart.SetRow( 0 );
	aNewRange.aEnd.SetRow( MAXROW );

	SetNewRange( aNewRange );
}

void SAL_CALL ScCellCursorObj::expandToEntireRows() throw(uno::RuntimeException)
{
	ScUnoGuard aGuard;
	const ScRangeList& rRanges = GetRangeList();
	DBG_ASSERT( rRanges.Count() == 1, "Range? Ranges?" );
	ScRange aNewRange(*rRanges.GetObject(0));

	aNewRange.aStart.SetCol( 0 );
	aNewRange.aEnd.SetCol( MAXCOL );

	SetNewRange( aNewRange );
}

void SAL_CALL ScCellCursorObj::collapseToSize( sal_Int32 nColumns, sal_Int32 nRows )
												throw(uno::RuntimeException)
{
	ScUnoGuard aGuard;
	if ( nColumns <= 0 || nRows <= 0 )
	{
		DBG_ERROR("leerer Range geht nicht");
		//!	und dann?
	}
	else
	{
		const ScRangeList& rRanges = GetRangeList();
		DBG_ASSERT( rRanges.Count() == 1, "Range? Ranges?" );
		ScRange aNewRange(*rRanges.GetObject(0));

		aNewRange.Justify();	//! wirklich?

		long nEndX = aNewRange.aStart.Col() + nColumns - 1;
		long nEndY = aNewRange.aStart.Row() + nRows - 1;
		if ( nEndX < 0 )	  nEndX = 0;
		if ( nEndX > MAXCOL ) nEndX = MAXCOL;
		if ( nEndY < 0 )	  nEndY = 0;
		if ( nEndY > MAXROW ) nEndY = MAXROW;
		//!	Fehler/Exception oder so, wenn zu gross/zu klein?

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

		aNewRange.Justify();	//! wirklich?

		SetNewRange( aNewRange );
	}
}

// XUsedAreaCursor

void SAL_CALL ScCellCursorObj::gotoStartOfUsedArea( sal_Bool bExpand )
											throw(uno::RuntimeException)
{
	ScUnoGuard aGuard;
	ScDocShell* pDocSh = GetDocShell();
	if ( pDocSh )
	{
		const ScRangeList& rRanges = GetRangeList();
		DBG_ASSERT( rRanges.Count() == 1, "Range? Ranges?" );
		ScRange aNewRange(*rRanges.GetObject(0));
		SCTAB nTab = aNewRange.aStart.Tab();

		SCCOL nUsedX = 0;		// Anfang holen
		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 )
											throw(uno::RuntimeException)
{
	ScUnoGuard aGuard;
	ScDocShell* pDocSh = GetDocShell();
	if ( pDocSh )
	{
		const ScRangeList& rRanges = GetRangeList();
		DBG_ASSERT( rRanges.Count() == 1, "Range? Ranges?" );
		ScRange aNewRange(*rRanges.GetObject(0));
		SCTAB nTab = aNewRange.aStart.Tab();

		SCCOL nUsedX = 0;		// Ende holen
		SCROW nUsedY = 0;
		if (!pDocSh->GetDocument()->GetTableArea( nTab, nUsedX, nUsedY ))
        {
			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() throw(uno::RuntimeException)
{
	//	this is similar to collapseToCurrentRegion
	//!	something like gotoEdge with 4 possible directions is needed

	ScUnoGuard aGuard;
	const ScRangeList& rRanges = GetRangeList();
	DBG_ASSERT( rRanges.Count() == 1, "Range? Ranges?" );
	ScRange aOneRange(*rRanges.GetObject(0));

	aOneRange.Justify();
	ScDocShell* pDocSh = GetDocShell();
	if ( pDocSh )
	{
		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, sal_False, false );

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

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

	ScUnoGuard aGuard;
	const ScRangeList& rRanges = GetRangeList();
	DBG_ASSERT( rRanges.Count() == 1, "Range? Ranges?" );
	ScRange aOneRange(*rRanges.GetObject(0));

	aOneRange.Justify();
	ScDocShell* pDocSh = GetDocShell();
	if ( pDocSh )
	{
		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, sal_False, false );

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

void SAL_CALL ScCellCursorObj::gotoNext() throw(uno::RuntimeException)
{
	ScUnoGuard aGuard;
	const ScRangeList& rRanges = GetRangeList();
	DBG_ASSERT( rRanges.Count() == 1, "Range? Ranges?" );
	ScRange aOneRange(*rRanges.GetObject(0));

	aOneRange.Justify();
	ScAddress aCursor(aOneRange.aStart);		//	bei Block immer den Start nehmen

	ScMarkData aMark;	// 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, sal_False,sal_True, aMark );
	//!	sonst Exception oder so

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

void SAL_CALL ScCellCursorObj::gotoPrevious() throw(uno::RuntimeException)
{
	ScUnoGuard aGuard;
	const ScRangeList& rRanges = GetRangeList();
	DBG_ASSERT( rRanges.Count() == 1, "Range? Ranges?" );
	ScRange aOneRange(*rRanges.GetObject(0));

	aOneRange.Justify();
	ScAddress aCursor(aOneRange.aStart);		//	bei Block immer den Start nehmen

	ScMarkData aMark;	// 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, sal_False,sal_True, aMark );
	//!	sonst Exception oder so

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

void SAL_CALL ScCellCursorObj::gotoOffset( sal_Int32 nColumnOffset, sal_Int32 nRowOffset )
												throw(uno::RuntimeException)
{
	ScUnoGuard aGuard;
	const ScRangeList& rRanges = GetRangeList();
	DBG_ASSERT( rRanges.Count() == 1, "Range? Ranges?" );
	ScRange aOneRange(*rRanges.GetObject(0));
	aOneRange.Justify();

	if ( aOneRange.aStart.Col() + nColumnOffset >= 0 &&
		 aOneRange.aEnd.Col()   + nColumnOffset <= MAXCOL &&
		 aOneRange.aStart.Row() + nRowOffset    >= 0 &&
		 aOneRange.aEnd.Row()   + nRowOffset    <= MAXROW )
	{
		ScRange aNew( (SCCOL)(aOneRange.aStart.Col() + nColumnOffset),
					  (SCROW)(aOneRange.aStart.Row() + nRowOffset),
					  aOneRange.aStart.Tab(),
					  (SCCOL)(aOneRange.aEnd.Col() + nColumnOffset),
					  (SCROW)(aOneRange.aEnd.Row() + nRowOffset),
					  aOneRange.aEnd.Tab() );
		SetNewRange( aNew );
	}
}

// XSheetCellRange

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

// XCellRange

uno::Reference<table::XCell> SAL_CALL ScCellCursorObj::getCellByPosition(
										sal_Int32 nColumn, sal_Int32 nRow )
								throw(lang::IndexOutOfBoundsException, uno::RuntimeException)
{
	ScUnoGuard 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 )
								throw(lang::IndexOutOfBoundsException, uno::RuntimeException)
{
	ScUnoGuard aGuard;
	return ScCellRangeObj::getCellRangeByPosition(nLeft,nTop,nRight,nBottom);
}

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

// XServiceInfo

rtl::OUString SAL_CALL ScCellCursorObj::getImplementationName() throw(uno::RuntimeException)
{
	return rtl::OUString::createFromAscii( "ScCellCursorObj" );
}

sal_Bool SAL_CALL ScCellCursorObj::supportsService( const rtl::OUString& rServiceName )
													throw(uno::RuntimeException)
{
	String aServiceStr( rServiceName );
	return aServiceStr.EqualsAscii( SCSHEETCELLCURSOR_SERVICE ) ||
		   aServiceStr.EqualsAscii( SCCELLCURSOR_SERVICE ) ||
		   ScCellRangeObj::supportsService(rServiceName);
}

uno::Sequence<rtl::OUString> SAL_CALL ScCellCursorObj::getSupportedServiceNames()
													throw(uno::RuntimeException)
{
	//	get all service names from cell range
	uno::Sequence<rtl::OUString> aParentSeq(ScCellRangeObj::getSupportedServiceNames());
	sal_Int32 nParentLen = aParentSeq.getLength();
	const rtl::OUString* pParentArr = aParentSeq.getConstArray();

	//	SheetCellCursor should be first (?)
	uno::Sequence<rtl::OUString> aTotalSeq( nParentLen + 2 );
	rtl::OUString* pTotalArr = aTotalSeq.getArray();
	pTotalArr[0] = rtl::OUString::createFromAscii( SCSHEETCELLCURSOR_SERVICE );
	pTotalArr[1] = rtl::OUString::createFromAscii( SCCELLCURSOR_SERVICE );

	//	append cell range services
	for (long i=0; i<nParentLen; i++)
		pTotalArr[i+2] = pParentArr[i];

	return aTotalSeq;
}