/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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#include "XMLSectionImportContext.hxx"
#include "XMLSectionSourceImportContext.hxx"
#include "XMLSectionSourceDDEImportContext.hxx"

#include "xmlimp.hxx"
#include "nmspmap.hxx"
#include "xmlnmspe.hxx"
#include "xmluconv.hxx"
#include "prstylei.hxx"

#include <com/sun/star/uno/Reference.h>
#include <com/sun/star/text/XTextContent.hpp>
#include <com/sun/star/text/ControlCharacter.hpp>

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 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& rInImport,
    sal_uInt16 nPrfx,
    const OUString& rLocalName ) :
        SvXMLImportContext(rInImport, 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)),
        sEmpty(),
        sStyleName(),
        sName(),
        sCond(),
        bProtect(sal_False),
        bCondOK(sal_False),
        bIsVisible(sal_True),
        bValid(sal_False),
        bSequenceOK(sal_False),
        bIsCurrentlyVisible(sal_True),
        bIsCurrentlyVisibleOK(sal_False),
        bHasContent(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();
#ifndef DBG_UTIL
                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 nLclPrefix = GetImport().GetNamespaceMap().
            GetKeyByAttrName( xAttrList->getNameByIndex(nAttr),
                              &sLocalName );
        OUString sAttr = xAttrList->getValueByIndex(nAttr);

        switch (aTokenMap.Get(nLclPrefix, 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 nInPrefix,
    const OUString& rLocalName,
    const Reference<XAttributeList> & xAttrList )
{
    SvXMLImportContext* pContext = NULL;

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

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

    return pContext;
}

}//end of namespace binfilter

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