/**************************************************************
 *
 * 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_svx.hxx"

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

#include <tools/ref.hxx>
#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 );
        SetUnit( FUNIT_PERCENT );
	}
	else
	{
		bRelative = sal_False;
		SetDecimalDigits( 2 );
        SetMin( bNegativeEnabled ? -9999 : 0 );
        SetMax( 9999 );
		SetUnit( FUNIT_CM );
	}

	SetText( aStr );
	SetSelection( aSelection );
}