/**************************************************************
 *
 * 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_xmloff.hxx"
#include <com/sun/star/style/TabAlign.hpp>
#include <rtl/ustrbuf.hxx>
#include <xmloff/xmltkmap.hxx>
#include <xmloff/nmspmap.hxx>
#include "xmloff/xmlnmspe.hxx"
#include <xmloff/xmlimp.hxx>
#include <com/sun/star/style/TabStop.hpp>
#include <xmloff/xmltoken.hxx>
#include "xmloff/i18nmap.hxx"
#include <xmloff/xmluconv.hxx>

#include "xmltabi.hxx"

#define _SVSTDARR_USHORTS
#include <svl/svstdarr.hxx>

using ::rtl::OUString;
using ::rtl::OUStringBuffer;

using namespace ::com::sun::star;
using namespace ::xmloff::token;

// ---

enum SvXMLTokenMapAttrs
{
	XML_TOK_TABSTOP_POSITION,
	XML_TOK_TABSTOP_TYPE,
	XML_TOK_TABSTOP_CHAR,
	XML_TOK_TABSTOP_LEADER_STYLE,
	XML_TOK_TABSTOP_LEADER_TEXT,
	XML_TOK_TABSTOP_END=XML_TOK_UNKNOWN
};

static __FAR_DATA SvXMLTokenMapEntry aTabsAttributesAttrTokenMap[] =
{
	{ XML_NAMESPACE_STYLE, XML_POSITION,	 XML_TOK_TABSTOP_POSITION },
	{ XML_NAMESPACE_STYLE, XML_TYPE,	  	 XML_TOK_TABSTOP_TYPE },
	{ XML_NAMESPACE_STYLE, XML_CHAR,	  	 XML_TOK_TABSTOP_CHAR },
	{ XML_NAMESPACE_STYLE, XML_LEADER_TEXT,  XML_TOK_TABSTOP_LEADER_TEXT },
	{ XML_NAMESPACE_STYLE, XML_LEADER_STYLE,  XML_TOK_TABSTOP_LEADER_STYLE },
	XML_TOKEN_MAP_END
};

// ---

class SvxXMLTabStopContext_Impl : public SvXMLImportContext
{
private:
 	style::TabStop	aTabStop;

public:
	TYPEINFO();

	SvxXMLTabStopContext_Impl( SvXMLImport& rImport, sal_uInt16 nPrfx,
							   const OUString& rLName,
							   const uno::Reference< xml::sax::XAttributeList > & xAttrList );

	virtual ~SvxXMLTabStopContext_Impl();

	virtual SvXMLImportContext *CreateChildContext( sal_uInt16 nPrefix,
								   const OUString& rLocalName,
								   const uno::Reference< xml::sax::XAttributeList > & xAttrList );

	const style::TabStop& getTabStop() const { return aTabStop; }
};

TYPEINIT1( SvxXMLTabStopContext_Impl, SvXMLImportContext );

SvxXMLTabStopContext_Impl::SvxXMLTabStopContext_Impl(
							   SvXMLImport& rImport, sal_uInt16 nPrfx,
							   const OUString& rLName,
							   const uno::Reference< xml::sax::XAttributeList > & xAttrList )
: SvXMLImportContext( rImport, nPrfx, rLName )
{
	aTabStop.Position = 0;
	aTabStop.Alignment = style::TabAlign_LEFT;
	aTabStop.DecimalChar = sal_Unicode( ',' );
	aTabStop.FillChar = sal_Unicode( ' ' );
	sal_Unicode cTextFillChar = 0;

	SvXMLTokenMap aTokenMap( aTabsAttributesAttrTokenMap );

	sal_Int16 nAttrCount = xAttrList.is() ? xAttrList->getLength() : 0;
	for( sal_Int16 i=0; i < nAttrCount; i++ )
	{
		const OUString& rAttrName = xAttrList->getNameByIndex( i );
		OUString aLocalName;
		sal_uInt16 nPrefix =
			GetImport().GetNamespaceMap().GetKeyByAttrName( rAttrName,
															&aLocalName );
		const OUString& rValue = xAttrList->getValueByIndex( i );

		sal_Int32 nVal;
		switch( aTokenMap.Get( nPrefix, aLocalName ) )
		{
		case XML_TOK_TABSTOP_POSITION:
			if( GetImport().GetMM100UnitConverter().convertMeasure( nVal,
																	rValue ) )
				aTabStop.Position = nVal;
			break;
		case XML_TOK_TABSTOP_TYPE:
			if( IsXMLToken( rValue, XML_LEFT ) )
			{
				aTabStop.Alignment = style::TabAlign_LEFT;
			}
			else if( IsXMLToken( rValue, XML_RIGHT ) )
			{
				aTabStop.Alignment = style::TabAlign_RIGHT;
			}
			else if( IsXMLToken( rValue, XML_CENTER ) )
			{
				aTabStop.Alignment = style::TabAlign_CENTER;
			}
			else if( IsXMLToken( rValue, XML_CHAR ) )
			{
				aTabStop.Alignment = style::TabAlign_DECIMAL;
			}
			else if( IsXMLToken( rValue, XML_DEFAULT ) )
			{
				aTabStop.Alignment = style::TabAlign_DEFAULT;
			}
			break;
		case XML_TOK_TABSTOP_CHAR:
			if( 0 != rValue.getLength() )
				aTabStop.DecimalChar = rValue[0];
			break;
		case XML_TOK_TABSTOP_LEADER_STYLE:
			if( IsXMLToken( rValue, XML_NONE ) )
				aTabStop.FillChar = ' ';
			else if( IsXMLToken( rValue, XML_DOTTED ) )
				aTabStop.FillChar = '.';
			else
				aTabStop.FillChar = '_';
			break;
		case XML_TOK_TABSTOP_LEADER_TEXT:
			if( 0 != rValue.getLength() )
				cTextFillChar = rValue[0];
			break;
		}
	}

	if( cTextFillChar != 0 && aTabStop.FillChar != ' ' )
		aTabStop.FillChar = cTextFillChar;
}

SvxXMLTabStopContext_Impl::~SvxXMLTabStopContext_Impl()
{
}

SvXMLImportContext *SvxXMLTabStopContext_Impl::CreateChildContext(
								   sal_uInt16 nPrefix,
								   const OUString& rLocalName,
								   const uno::Reference< xml::sax::XAttributeList > & )
{
	return new SvXMLImportContext( GetImport(), nPrefix, rLocalName );
}


typedef SvxXMLTabStopContext_Impl *SvxXMLTabStopContext_Impl_ImplPtr;
SV_DECL_PTRARR( SvxXMLTabStopArray_Impl, SvxXMLTabStopContext_Impl_ImplPtr,	20, 5 )


// ---

TYPEINIT1( SvxXMLTabStopImportContext, XMLElementPropertyContext );

SvxXMLTabStopImportContext::SvxXMLTabStopImportContext(
								SvXMLImport& rImport, sal_uInt16 nPrfx,
								const OUString& rLName,
								const XMLPropertyState& rProp,
				 				::std::vector< XMLPropertyState > &rProps )
: XMLElementPropertyContext( rImport, nPrfx, rLName, rProp, rProps ),
  mpTabStops( NULL )
{
}

SvxXMLTabStopImportContext::~SvxXMLTabStopImportContext()
{
	if( mpTabStops )
	{
		sal_uInt16 nCount = mpTabStops->Count();
		while( nCount )
		{
			nCount--;
			SvxXMLTabStopContext_Impl *pTabStop = (*mpTabStops)[nCount];
			mpTabStops->Remove( nCount, 1 );
			pTabStop->ReleaseRef();
		}
	}

	delete mpTabStops;
}

SvXMLImportContext *SvxXMLTabStopImportContext::CreateChildContext(
								   sal_uInt16 nPrefix,
								   const OUString& rLocalName,
								   const uno::Reference< xml::sax::XAttributeList > & xAttrList )
{
	SvXMLImportContext *pContext = 0;

	if( XML_NAMESPACE_STYLE == nPrefix && IsXMLToken( rLocalName, XML_TAB_STOP ) )
	{
		// create new tabstop import context
		SvxXMLTabStopContext_Impl *pTabStopContext =
			new SvxXMLTabStopContext_Impl( GetImport(), nPrefix, rLocalName,
										   xAttrList );

		// add new tabstop to array of tabstops
		if( !mpTabStops )
			mpTabStops = new SvxXMLTabStopArray_Impl;

		mpTabStops->Insert( pTabStopContext, mpTabStops->Count() );
		pTabStopContext->AddRef();

		pContext = pTabStopContext;
	}
	else
	{
		pContext = new SvXMLImportContext( GetImport(), nPrefix, rLocalName );
	}

	return pContext;
}

void SvxXMLTabStopImportContext::EndElement( )
{
	sal_uInt16 nCount = mpTabStops ? mpTabStops->Count() : 0;
	uno::Sequence< style::TabStop> aSeq( nCount );

	if( mpTabStops )
	{
		sal_uInt16 nNewCount = 0;

		style::TabStop* pTabStops = aSeq.getArray();
		for( sal_uInt16 i=0; i < nCount; i++ )
		{
			SvxXMLTabStopContext_Impl *pTabStopContext = (*mpTabStops)[i];
			const style::TabStop& rTabStop = pTabStopContext->getTabStop();
			sal_Bool bDflt = style::TabAlign_DEFAULT == rTabStop.Alignment;
			if( !bDflt || 0==i )
			{
				*pTabStops++ = pTabStopContext->getTabStop();
				nNewCount++;
			}
			if( bDflt && 0==i )
				break;
		}

		if( nCount != nNewCount )
			aSeq.realloc( nNewCount );
	}
	aProp.maValue <<= aSeq;

	SetInsert( sal_True );
	XMLElementPropertyContext::EndElement();

}