/**************************************************************
 * 
 * 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_editeng.hxx"
#include <tools/debug.hxx>

#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;
}

void SvxEditSourceHint::SetValue( sal_uLong n )
{
    TextHint::SetValue( n );
}

void SvxEditSourceHint::SetStartValue( sal_uLong n )
{
    mnStart = n;
}

void SvxEditSourceHint::SetEndValue( sal_uLong n )
{
    mnEnd = n; 
}

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

::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:
                DBG_ERROR( "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 )
{
    EECharAttribArray aCharAttribs;
    
    rEE.GetCharAttribs( nPara, aCharAttribs );
    
    // find closest index in front of nIndex
    sal_uInt16 nAttr, nCurrIndex;
    sal_Int32 nClosestStartIndex;
    for( nAttr=0, nClosestStartIndex=0; nAttr<aCharAttribs.Count(); ++nAttr )
    {
        nCurrIndex = aCharAttribs[nAttr].nStart;
        
        if( nCurrIndex > nIndex )
            break; // aCharAttribs array is sorted in increasing order for nStart values

        if( nCurrIndex > nClosestStartIndex )
        {
            nClosestStartIndex = nCurrIndex;
        }
    }

    // find closest index behind of nIndex
    sal_Int32 nClosestEndIndex;
    for( nAttr=0, nClosestEndIndex=rEE.GetTextLen(nPara); nAttr<aCharAttribs.Count(); ++nAttr )
    {
        nCurrIndex = aCharAttribs[nAttr].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 )
{
    // #106775# Don't touch rect if not vertical
    return bIsVertical ? Rectangle( EEToUserSpace(rRect.BottomLeft(), rEESize, bIsVertical),
                                    EEToUserSpace(rRect.TopRight(), rEESize, bIsVertical) ) : rRect;
}

Rectangle SvxEditSourceHelper::UserSpaceToEE( const Rectangle& rRect, const Size& rEESize, bool bIsVertical )
{
    // #106775# Don't touch rect if not vertical
    return bIsVertical ? Rectangle( UserSpaceToEE(rRect.TopRight(), rEESize, bIsVertical),
                                    UserSpaceToEE(rRect.BottomLeft(), rEESize, bIsVertical) ) : rRect;
}