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// include ---------------------------------------------------------------

#include "svx/relfld.hxx"

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

SvxRelativeField::SvxRelativeField( Window* pParent, WinBits nWinSize ) :
    MetricField( pParent, nWinSize )
{
    bNegativeEnabled = sal_False;
    bRelativeMode = sal_False;
    bRelative     = sal_False;

    SetDecimalDigits( 2 );
    SetMin( 0 );
    SetMax( 9999 );
}

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

SvxRelativeField::SvxRelativeField( Window* pParent, const ResId& rResId ) :
    MetricField( pParent, rResId )
{
    bNegativeEnabled = sal_False;
    bRelativeMode = sal_False;
    bRelative     = sal_False;

    SetDecimalDigits( 2 );
    SetMin( 0 );
    SetMax( 9999 );
}

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

void SvxRelativeField::Modify()
{
    MetricField::Modify();

    if ( bRelativeMode )
    {
        String  aStr = GetText();
        sal_Bool    bNewMode = bRelative;

        if ( bRelative )
        {
            const sal_Unicode* pStr = aStr.GetBuffer();

            while ( *pStr )
            {
                if( ( ( *pStr < sal_Unicode( '0' ) ) || ( *pStr > sal_Unicode( '9' ) ) ) &&
                    ( *pStr != sal_Unicode( '%' ) ) )
                {
                    bNewMode = sal_False;
                    break;
                }
                pStr++;
            }
        }
        else
        {
            xub_StrLen nPos = aStr.Search( sal_Unicode( '%' ) );

            if ( nPos != STRING_NOTFOUND )
                bNewMode = sal_True;
        }

        if ( bNewMode != bRelative )
            SetRelative( bNewMode );

        MetricField::Modify();
    }
}

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

void SvxRelativeField::EnableRelativeMode( sal_uInt16 nMin,
                                           sal_uInt16 nMax, sal_uInt16 nStep )
{
    bRelativeMode = sal_True;
    nRelMin       = nMin;
    nRelMax       = nMax;
    nRelStep      = nStep;
    SetUnit( FUNIT_CM );
}

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

void SvxRelativeField::SetRelative( sal_Bool bNewRelative )
{
    Selection aSelection = GetSelection();
    String aStr = GetText();

    if ( bNewRelative )
    {
        bRelative = sal_True;
        SetDecimalDigits( 0 );
        SetMin( nRelMin );
        SetMax( nRelMax );
        SetCustomUnitText( String( sal_Unicode( '%' ) ) );
        SetUnit( FUNIT_CUSTOM );
    }
    else
    {
        bRelative = sal_False;
        SetDecimalDigits( 2 );
        SetMin( bNegativeEnabled ? -9999 : 0 );
        SetMax( 9999 );
        SetUnit( FUNIT_CM );
    }

    SetText( aStr );
    SetSelection( aSelection );
}


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