/*************************************************************************
 *
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 * 
 * Copyright 2008 by Sun Microsystems, Inc.
 *
 * OpenOffice.org - a multi-platform office productivity suite
 *
 * $RCSfile: xmloff_XMLSectionImportContext.cxx,v $
 * $Revision: 1.5 $
 *
 * This file is part of OpenOffice.org.
 *
 * OpenOffice.org is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License version 3
 * only, as published by the Free Software Foundation.
 *
 * OpenOffice.org is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License version 3 for more details
 * (a copy is included in the LICENSE file that accompanied this code).
 *
 * You should have received a copy of the GNU Lesser General Public License
 * version 3 along with OpenOffice.org.  If not, see
 * <http://www.openoffice.org/license.html>
 * for a copy of the LGPLv3 License.
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#ifndef _XMLOFF_XMLSECTIONIMPORTCONTEXT_HXX_
#include "XMLSectionImportContext.hxx"
#endif

#ifndef _XMLOFF_XMLSECTIONSOURCEIMPORTCONTEXT_HXX_
#include "XMLSectionSourceImportContext.hxx"
#endif

#ifndef _XMLOFF_XMLSECTIONSOURCEDDEIMPORTCONTEXT_HXX_
#include "XMLSectionSourceDDEImportContext.hxx"
#endif


#ifndef _XMLOFF_XMLIMP_HXX
#include "xmlimp.hxx"
#endif


#ifndef _XMLOFF_NMSPMAP_HXX 
#include "nmspmap.hxx"
#endif

#ifndef _XMLOFF_XMLNMSPE_HXX
#include "xmlnmspe.hxx"
#endif


#ifndef _XMLOFF_XMLUCONV_HXX
#include "xmluconv.hxx"
#endif

#ifndef _XMLOFF_PRSTYLEI_HXX_ 
#include "prstylei.hxx"
#endif


#ifndef _COM_SUN_STAR_UNO_REFERENCE_H_ 
#include <com/sun/star/uno/Reference.h>
#endif

#ifndef _COM_SUN_STAR_TEXT_XTEXTCONTENT_HPP_
#include <com/sun/star/text/XTextContent.hpp>
#endif



#ifndef _COM_SUN_STAR_TEXT_CONTROLCHARACTER_HPP_ 
#include <com/sun/star/text/ControlCharacter.hpp>
#endif
namespace binfilter {


using ::rtl::OUString;
using ::com::sun::star::beans::XPropertySet;
using ::com::sun::star::uno::Reference;
using ::com::sun::star::xml::sax::XAttributeList;
using ::com::sun::star::lang::XMultiServiceFactory;
using ::com::sun::star::container::XNamed;

using namespace ::com::sun::star::uno;
using namespace ::com::sun::star::text;
using namespace ::binfilter::xmloff::token;


TYPEINIT1( XMLSectionImportContext, SvXMLImportContext );

const sal_Char sAPI_TextSection[] = "com.sun.star.text.TextSection";
const sal_Char sAPI_IndexHeaderSection[] = "com.sun.star.text.IndexHeaderSection";
const sal_Char sAPI_IsProtected[] = "IsProtected";
const sal_Char sAPI_Condition[] = "Condition";
const sal_Char sAPI_IsVisible[] = "IsVisible";
const sal_Char sAPI_IsCurrentlyVisible[] = "IsCurrentlyVisible";
const sal_Char sAPI_ProtectionKey[] = "ProtectionKey";

enum XMLSectionToken 
{
	XML_TOK_SECTION_STYLE_NAME,
	XML_TOK_SECTION_NAME,
	XML_TOK_SECTION_CONDITION,
	XML_TOK_SECTION_DISPLAY,
	XML_TOK_SECTION_PROTECT,
	XML_TOK_SECTION_PROTECTION_KEY,
    XML_TOK_SECTION_IS_HIDDEN
};

static __FAR_DATA SvXMLTokenMapEntry aSectionTokenMap[] =
{
	{ XML_NAMESPACE_TEXT, XML_STYLE_NAME, XML_TOK_SECTION_STYLE_NAME },
	{ XML_NAMESPACE_TEXT, XML_NAME, XML_TOK_SECTION_NAME },
	{ XML_NAMESPACE_TEXT, XML_CONDITION, XML_TOK_SECTION_CONDITION },
	{ XML_NAMESPACE_TEXT, XML_DISPLAY, XML_TOK_SECTION_DISPLAY },
	{ XML_NAMESPACE_TEXT, XML_PROTECTED, XML_TOK_SECTION_PROTECT },
	{ XML_NAMESPACE_TEXT, XML_PROTECTION_KEY, XML_TOK_SECTION_PROTECTION_KEY},
    { XML_NAMESPACE_TEXT, XML_IS_HIDDEN, XML_TOK_SECTION_IS_HIDDEN },
	// compatibility with SRC629 (or earlier) versions
	{ XML_NAMESPACE_TEXT, XML_PROTECT, XML_TOK_SECTION_PROTECT },
	XML_TOKEN_MAP_END
};


// section import: This one is fairly tricky due to a variety of
// limits of the core or the API. The main problem is that if you
// insert a section within another section, you can't move the cursor
// between the ends of the inner and the enclosing section. To avoid
// these problems, additional markers are first inserted and later deleted.
XMLSectionImportContext::XMLSectionImportContext(
	SvXMLImport& rImport, 
	sal_uInt16 nPrfx,
	const OUString& rLocalName ) :
		SvXMLImportContext(rImport, nPrfx, rLocalName),
		xStartRange(),
		xEndRange(),
		xSectionPropertySet(),
		sTextSection(RTL_CONSTASCII_USTRINGPARAM(sAPI_TextSection)),
		sIndexHeaderSection(RTL_CONSTASCII_USTRINGPARAM(
			sAPI_IndexHeaderSection)),
		sCondition(RTL_CONSTASCII_USTRINGPARAM(sAPI_Condition)),
		sIsVisible(RTL_CONSTASCII_USTRINGPARAM(sAPI_IsVisible)),
		sProtectionKey(RTL_CONSTASCII_USTRINGPARAM(sAPI_ProtectionKey)),
		sIsProtected(RTL_CONSTASCII_USTRINGPARAM(sAPI_IsProtected)),
        sIsCurrentlyVisible(RTL_CONSTASCII_USTRINGPARAM(sAPI_IsCurrentlyVisible)),
		sStyleName(),
		sName(),
		sCond(),
		sEmpty(),
		bValid(sal_False),
		bCondOK(sal_False),
		bIsVisible(sal_True),
		bSequenceOK(sal_False),
		bProtect(sal_False),
		bHasContent(sal_False),
        bIsCurrentlyVisible(sal_True),
        bIsCurrentlyVisibleOK(sal_False)
{
}

XMLSectionImportContext::~XMLSectionImportContext()
{
}

void XMLSectionImportContext::StartElement(
	const Reference<XAttributeList> & xAttrList)
{
	// process attributes
	ProcessAttributes(xAttrList);

	// process index headers:
	sal_Bool bIsIndexHeader = IsXMLToken( GetLocalName(), XML_INDEX_TITLE );
	if (bIsIndexHeader)
	{
		bValid = sal_True;
	}

	UniReference<XMLTextImportHelper> rHelper = GetImport().GetTextImport();

	// valid?
	if (bValid)
	{
		// create text section (as XPropertySet)
		Reference<XMultiServiceFactory> xFactory(
			GetImport().GetModel(),UNO_QUERY);
		if (xFactory.is())
		{
			Reference<XInterface> xIfc = 
				xFactory->createInstance( bIsIndexHeader ? sIndexHeaderSection 
														: sTextSection );
			if (xIfc.is()) 
			{
				Reference<XPropertySet> xPropSet(xIfc, UNO_QUERY);

				// save PropertySet (for CreateChildContext)
				xSectionPropertySet = xPropSet;

				// name
				Reference<XNamed> xNamed(xPropSet, UNO_QUERY);
				xNamed->setName(sName);

				// stylename?
				if (sStyleName.getLength() > 0)
				{
					XMLPropStyleContext* pStyle = rHelper->
						FindSectionStyle(sStyleName);
					
					if (pStyle != NULL)
					{
						pStyle->FillPropertySet( xPropSet );
					}
				}

				// IsVisible and condition (not for index headers)
				if (! bIsIndexHeader)
				{
					Any aAny;
					aAny.setValue( &bIsVisible, ::getBooleanCppuType() );
					xPropSet->setPropertyValue( sIsVisible, aAny );

                    // #97450# hidden sections must be hidden on reload
                    // For backwards compatibilty, set flag only if it is 
                    // present
                    if( bIsCurrentlyVisibleOK )
                    {
                        aAny.setValue( &bIsCurrentlyVisible, 
                                       ::getBooleanCppuType() );
                        xPropSet->setPropertyValue( sIsCurrentlyVisible, aAny);
                    }

					if (bCondOK)
					{
						aAny <<= sCond;
						xPropSet->setPropertyValue( sCondition, aAny );
					}
				}

				// password (only for regular sections)
				if ( bSequenceOK &&
                     IsXMLToken(GetLocalName(), XML_SECTION) )
				{
					Any aAny;
					aAny <<= aSequence;
					xPropSet->setPropertyValue(sProtectionKey, aAny);
				}

				// protection
				Any aAny;
				aAny.setValue( &bProtect, ::getBooleanCppuType() );
				xPropSet->setPropertyValue( sIsProtected, aAny );

				// insert marker, <paragraph>, marker; then insert
				// section over the first marker character, and delete the
				// last paragraph (and marker) when closing a section.
				Reference<XTextRange> xStart = 
					rHelper->GetCursor()->getStart();
#ifdef PRODUCT
				static const sal_Char sMarker[] = " ";
#else
				static const sal_Char sMarker[] = "X";
#endif
				OUString sMarkerString(RTL_CONSTASCII_USTRINGPARAM(sMarker));
				rHelper->InsertString(sMarkerString);
				rHelper->InsertControlCharacter( 
					ControlCharacter::APPEND_PARAGRAPH );
				rHelper->InsertString(sMarkerString);
				
				// select first marker
				rHelper->GetCursor()->gotoRange(xStart, sal_False);
				rHelper->GetCursor()->goRight(1, sal_True);

				// convert section to XTextContent
				Reference<XTextContent> xTextContent(xSectionPropertySet, 
													 UNO_QUERY);

				// and insert (over marker)
				rHelper->GetText()->insertTextContent( 
					rHelper->GetCursorAsRange(), xTextContent, sal_True );

				// and delete first marker (in section)
				rHelper->GetText()->insertString( 
					rHelper->GetCursorAsRange(), sEmpty, sal_True);

				// finally, check for redlines that should start at
				// the section start node
				rHelper->RedlineAdjustStartNodeCursor(sal_True); // start ???
			}
		}
	}
}

void XMLSectionImportContext::ProcessAttributes(
	const Reference<XAttributeList> & xAttrList )
{
	SvXMLTokenMap aTokenMap(aSectionTokenMap);
	
	sal_Int16 nLength = xAttrList->getLength();
	for(sal_Int16 nAttr = 0; nAttr < nLength; nAttr++)
	{
		OUString sLocalName;
		sal_uInt16 nPrefix = GetImport().GetNamespaceMap().
			GetKeyByAttrName( xAttrList->getNameByIndex(nAttr), 
							  &sLocalName );
		OUString sAttr = xAttrList->getValueByIndex(nAttr);

		switch (aTokenMap.Get(nPrefix, sLocalName))
		{
			case XML_TOK_SECTION_STYLE_NAME:
				sStyleName = sAttr;
				break;
			case XML_TOK_SECTION_NAME:
				sName = sAttr;
				bValid = sal_True;
				break;
			case XML_TOK_SECTION_CONDITION:
				sCond = sAttr;
				bCondOK = sal_True;
				break;
			case XML_TOK_SECTION_DISPLAY:
				if (IsXMLToken(sAttr, XML_TRUE))
				{
					bIsVisible = sal_True;
				}
				else if ( IsXMLToken(sAttr, XML_NONE) ||
						  IsXMLToken(sAttr, XML_CONDITION) )
				{
					bIsVisible = sal_False;
				}
				// else: ignore
				break;
			case XML_TOK_SECTION_IS_HIDDEN:
                {
                    sal_Bool bTmp;
                    if (SvXMLUnitConverter::convertBool(bTmp, sAttr))
                    {
                        bIsCurrentlyVisible = !bTmp;
                        bIsCurrentlyVisibleOK = sal_True;
                    }
                }
                break;
			case XML_TOK_SECTION_PROTECTION_KEY:
				SvXMLUnitConverter::decodeBase64(aSequence, sAttr);
				bSequenceOK = sal_True;
				break;
			case XML_TOK_SECTION_PROTECT:
			{
				sal_Bool bTmp;
				if (SvXMLUnitConverter::convertBool(bTmp, sAttr))
				{
					bProtect = bTmp;
				}
				break;
			}
			default:
				; // ignore
				break;
		}
	}
}

void XMLSectionImportContext::EndElement()
{
	// get rid of last paragraph 
	// (unless it's the only paragraph in the section)
	UniReference<XMLTextImportHelper> rHelper = GetImport().GetTextImport();
	rHelper->GetCursor()->goRight(1, sal_False);
	if (bHasContent)
	{
		rHelper->GetCursor()->goLeft(1, sal_True);
		rHelper->GetText()->insertString(rHelper->GetCursorAsRange(), 
										 sEmpty, sal_True);
	}

	// and delete second marker
	rHelper->GetCursor()->goRight(1, sal_True);
	rHelper->GetText()->insertString(rHelper->GetCursorAsRange(), 
									 sEmpty, sal_True);	

    // check for redlines to our endnode
    rHelper->RedlineAdjustStartNodeCursor(sal_False);
}

SvXMLImportContext* XMLSectionImportContext::CreateChildContext( 
	sal_uInt16 nPrefix,
	const OUString& rLocalName,
	const Reference<XAttributeList> & xAttrList )
{
	SvXMLImportContext* pContext = NULL;

	// section-source (-dde) elements
	if ( (XML_NAMESPACE_TEXT == nPrefix) &&
         IsXMLToken(rLocalName, XML_SECTION_SOURCE) )
	{
		pContext = new XMLSectionSourceImportContext(GetImport(),
													 nPrefix, rLocalName, 
													 xSectionPropertySet);
	} 
	else if ( (XML_NAMESPACE_OFFICE == nPrefix) &&
              IsXMLToken(rLocalName, XML_DDE_SOURCE) )
	{
		pContext = new XMLSectionSourceDDEImportContext(GetImport(),
														nPrefix, rLocalName,
														xSectionPropertySet);
	}
	else
	{
		// otherwise: text context
		pContext = GetImport().GetTextImport()->CreateTextChildContext(
			GetImport(), nPrefix, rLocalName, xAttrList,
			XML_TEXT_TYPE_SECTION );

		// if that fails, default context
		if (NULL == pContext)
		{
			pContext = new SvXMLImportContext( GetImport(), 
											   nPrefix, rLocalName );
		}
		else
			bHasContent = sal_True;
	}

	return pContext;
}

}//end of namespace binfilter
