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path: root/sfx2/source/doc/zoomitem.cxx
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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
 *
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * Copyright 2000, 2010 Oracle and/or its affiliates.
 *
 * OpenOffice.org - a multi-platform office productivity suite
 *
 * This file is part of OpenOffice.org.
 *
 * OpenOffice.org is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License version 3
 * only, as published by the Free Software Foundation.
 *
 * OpenOffice.org is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License version 3 for more details
 * (a copy is included in the LICENSE file that accompanied this code).
 *
 * You should have received a copy of the GNU Lesser General Public License
 * version 3 along with OpenOffice.org.  If not, see
 * <http://www.openoffice.org/license.html>
 * for a copy of the LGPLv3 License.
 *
 ************************************************************************/

#include <tools/stream.hxx>
#include <basic/sbxvar.hxx>

#include <sfx2/zoomitem.hxx>
#include <com/sun/star/uno/Sequence.hxx>
#include <com/sun/star/beans/PropertyValue.hpp>

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

TYPEINIT1_FACTORY(SvxZoomItem,SfxUInt16Item, new SvxZoomItem);

#define ZOOM_PARAM_VALUE    "Value"
#define ZOOM_PARAM_VALUESET "ValueSet"
#define ZOOM_PARAM_TYPE     "Type"
#define ZOOM_PARAMS         3

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

SvxZoomItem::SvxZoomItem
(
    SvxZoomType eZoomType,
    sal_uInt16      nVal,
    sal_uInt16      _nWhich
)
:   SfxUInt16Item( _nWhich, nVal ),
    nValueSet( SVX_ZOOM_ENABLE_ALL ),
    eType( eZoomType )
{
}

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

SvxZoomItem::SvxZoomItem( const SvxZoomItem& rOrig )
:   SfxUInt16Item( rOrig.Which(), rOrig.GetValue() ),
    nValueSet( rOrig.GetValueSet() ),
    eType( rOrig.GetType() )
{
}

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

SvxZoomItem::~SvxZoomItem()
{
}

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

SfxPoolItem* SvxZoomItem::Clone( SfxItemPool * /*pPool*/ ) const
{
    return new SvxZoomItem( *this );
}

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

SfxPoolItem* SvxZoomItem::Create( SvStream& rStrm, sal_uInt16 /*nVersion*/ ) const
{
    sal_uInt16 nValue;
    sal_uInt16 nValSet;
    sal_Int8 nType;
    rStrm >> nValue >> nValSet >> nType;
    SvxZoomItem* pNew = new SvxZoomItem( (SvxZoomType)nType, nValue, Which() );
    pNew->SetValueSet( nValSet );
    return pNew;
}

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

SvStream& SvxZoomItem::Store( SvStream& rStrm, sal_uInt16 /*nItemVersion*/ ) const
{
    rStrm << (sal_uInt16)GetValue()
          << nValueSet
          << (sal_Int8)eType;
    return rStrm;
}

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

int SvxZoomItem::operator==( const SfxPoolItem& rAttr ) const
{
    DBG_ASSERT( SfxPoolItem::operator==(rAttr), "unequal types" );

    SvxZoomItem& rItem = (SvxZoomItem&)rAttr;

    return ( GetValue() == rItem.GetValue()     &&
             nValueSet  == rItem.GetValueSet()  &&
             eType      == rItem.GetType()          );
}

bool SvxZoomItem::QueryValue( com::sun::star::uno::Any& rVal, sal_uInt8 nMemberId ) const
{
//  sal_Bool bConvert = 0!=(nMemberId&CONVERT_TWIPS);
    nMemberId &= ~CONVERT_TWIPS;

    assert(nMemberId == 0);

    ::com::sun::star::uno::Sequence< ::com::sun::star::beans::PropertyValue > aSeq( ZOOM_PARAMS );
    aSeq[0].Name = rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( ZOOM_PARAM_VALUE ));
    aSeq[0].Value <<= sal_Int32( GetValue() );
    aSeq[1].Name = rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( ZOOM_PARAM_VALUESET ));
    aSeq[1].Value <<= sal_Int16( nValueSet );
    aSeq[2].Name = rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( ZOOM_PARAM_TYPE ));
    aSeq[2].Value <<= sal_Int16( eType );
    rVal <<= aSeq;

    return true;
}

bool SvxZoomItem::PutValue( const com::sun::star::uno::Any& rVal, sal_uInt8 nMemberId )
{
    nMemberId &= ~CONVERT_TWIPS;
    assert(nMemberId == 0);

    ::com::sun::star::uno::Sequence< ::com::sun::star::beans::PropertyValue > aSeq;
    if (( rVal >>= aSeq ) && ( aSeq.getLength() == ZOOM_PARAMS ))
    {
        sal_Int32 nValueTmp( 0 );
        sal_Int16 nValueSetTmp( 0 );
        sal_Int16 nTypeTmp( 0 );
        sal_Bool  bAllConverted( sal_True );
        sal_Int16 nConvertedCount( 0 );
        for ( sal_Int32 i = 0; i < aSeq.getLength(); i++ )
        {
            if ( aSeq[i].Name.equalsAscii( ZOOM_PARAM_VALUE ))
            {
                bAllConverted &= ( aSeq[i].Value >>= nValueTmp );
                ++nConvertedCount;
            }
            else if ( aSeq[i].Name.equalsAscii( ZOOM_PARAM_VALUESET ))
            {
                bAllConverted &= ( aSeq[i].Value >>= nValueSetTmp );
                ++nConvertedCount;
            }
            else if ( aSeq[i].Name.equalsAscii( ZOOM_PARAM_TYPE ))
            {
                bAllConverted &= ( aSeq[i].Value >>= nTypeTmp );
                ++nConvertedCount;
            }
        }

        if ( bAllConverted && nConvertedCount == ZOOM_PARAMS )
        {
            SetValue( (sal_uInt16)nValueTmp );
            nValueSet = nValueSetTmp;
            eType = SvxZoomType( nTypeTmp );
            return true;
        }
    }

    return false;
}

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