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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/.
 *
 * 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 <editeng/unoedhlp.hxx>
#include <editeng/editdata.hxx>
#include <editeng/editeng.hxx>

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

TYPEINIT1( SvxEditSourceHint, TextHint );

SvxEditSourceHint::SvxEditSourceHint( sal_uLong _nId ) :
    TextHint( _nId ),
    mnStart( 0 ),
    mnEnd( 0 )
{
}

SvxEditSourceHint::SvxEditSourceHint( sal_uLong _nId, sal_uLong nValue, sal_uLong nStart, sal_uLong nEnd ) :
    TextHint( _nId, nValue ),
    mnStart( nStart),
    mnEnd( nEnd )
{
}

sal_uLong SvxEditSourceHint::GetValue() const
{
    return TextHint::GetValue();
}

sal_uLong SvxEditSourceHint::GetStartValue() const
{
    return mnStart;
}

sal_uLong SvxEditSourceHint::GetEndValue() const
{
    return mnEnd;
}

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

::std::auto_ptr<SfxHint> SvxEditSourceHelper::EENotification2Hint( EENotify* aNotify )
{
    if( aNotify )
    {
        switch( aNotify->eNotificationType )
        {
            case EE_NOTIFY_TEXTMODIFIED:
                return ::std::auto_ptr<SfxHint>( new TextHint( TEXT_HINT_MODIFIED, aNotify->nParagraph ) );

            case EE_NOTIFY_PARAGRAPHINSERTED:
                return ::std::auto_ptr<SfxHint>( new TextHint( TEXT_HINT_PARAINSERTED, aNotify->nParagraph ) );

            case EE_NOTIFY_PARAGRAPHREMOVED:
                return ::std::auto_ptr<SfxHint>( new TextHint( TEXT_HINT_PARAREMOVED, aNotify->nParagraph ) );

            case EE_NOTIFY_PARAGRAPHSMOVED:
                return ::std::auto_ptr<SfxHint>( new SvxEditSourceHint( EDITSOURCE_HINT_PARASMOVED, aNotify->nParagraph, aNotify->nParam1, aNotify->nParam2 ) );

            case EE_NOTIFY_TEXTHEIGHTCHANGED:
                return ::std::auto_ptr<SfxHint>( new TextHint( TEXT_HINT_TEXTHEIGHTCHANGED, aNotify->nParagraph ) );

            case EE_NOTIFY_TEXTVIEWSCROLLED:
                return ::std::auto_ptr<SfxHint>( new TextHint( TEXT_HINT_VIEWSCROLLED ) );

            case EE_NOTIFY_TEXTVIEWSELECTIONCHANGED:
                return ::std::auto_ptr<SfxHint>( new SvxEditSourceHint( EDITSOURCE_HINT_SELECTIONCHANGED ) );

            case EE_NOTIFY_BLOCKNOTIFICATION_START:
                return ::std::auto_ptr<SfxHint>( new TextHint( TEXT_HINT_BLOCKNOTIFICATION_START, 0 ) );

            case EE_NOTIFY_BLOCKNOTIFICATION_END:
                return ::std::auto_ptr<SfxHint>( new TextHint( TEXT_HINT_BLOCKNOTIFICATION_END, 0 ) );

            case EE_NOTIFY_INPUT_START:
                return ::std::auto_ptr<SfxHint>( new TextHint( TEXT_HINT_INPUT_START, 0 ) );

            case EE_NOTIFY_INPUT_END:
                return ::std::auto_ptr<SfxHint>( new TextHint( TEXT_HINT_INPUT_END, 0 ) );

            default:
                OSL_FAIL( "SvxEditSourceHelper::EENotification2Hint unknown notification" );
                break;
        }
    }

    return ::std::auto_ptr<SfxHint>( new SfxHint() );
}

sal_Bool SvxEditSourceHelper::GetAttributeRun( sal_uInt16& nStartIndex, sal_uInt16& nEndIndex, const EditEngine& rEE, sal_uInt16 nPara, sal_uInt16 nIndex )
{
    std::vector<EECharAttrib> aCharAttribs;

    rEE.GetCharAttribs( nPara, aCharAttribs );

    // find closest index in front of nIndex
    sal_uInt16 nCurrIndex;
    sal_Int32 nClosestStartIndex = 0;
    for(std::vector<EECharAttrib>::iterator i = aCharAttribs.begin(); i < aCharAttribs.end(); ++i)
    {
        nCurrIndex = i->nStart;

        if( nCurrIndex > nIndex )
            break; // aCharAttribs array is sorted in increasing order for nStart values
        else if( nCurrIndex > nClosestStartIndex )
        {
            nClosestStartIndex = nCurrIndex;
        }
    }

    // find closest index behind of nIndex
    sal_Int32 nClosestEndIndex = rEE.GetTextLen(nPara);
    for(std::vector<EECharAttrib>::iterator i = aCharAttribs.begin(); i < aCharAttribs.end(); ++i)
    {
        nCurrIndex = i->nEnd;

        if( nCurrIndex > nIndex && nCurrIndex < nClosestEndIndex )
            nClosestEndIndex = nCurrIndex;
    }

    nStartIndex = static_cast<sal_uInt16>( nClosestStartIndex );
    nEndIndex = static_cast<sal_uInt16>( nClosestEndIndex );

    return sal_True;
}

Point SvxEditSourceHelper::EEToUserSpace( const Point& rPoint, const Size& rEESize, bool bIsVertical )
{
    return bIsVertical ? Point( -rPoint.Y() + rEESize.Height(), rPoint.X() ) : rPoint;
}

Point SvxEditSourceHelper::UserSpaceToEE( const Point& rPoint, const Size& rEESize, bool bIsVertical )
{
    return bIsVertical ? Point( rPoint.Y(), -rPoint.X() + rEESize.Height() ) : rPoint;
}

Rectangle SvxEditSourceHelper::EEToUserSpace( const Rectangle& rRect, const Size& rEESize, bool bIsVertical )
{
    return bIsVertical ? Rectangle( EEToUserSpace(rRect.BottomLeft(), rEESize, bIsVertical),
                                    EEToUserSpace(rRect.TopRight(), rEESize, bIsVertical) ) : rRect;
}

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