/*************************************************************************
 *
 * 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_XMLEventsImportContext.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.
 *
 ************************************************************************/

#ifndef _XMLOFF_XMLEVENTSIMPORTCONTEXT_HXX
#include "XMLEventsImportContext.hxx"
#endif

#ifndef _XMLOFF_XMLEVENTIMPORTHELPER_HXX
#include "XMLEventImportHelper.hxx"
#endif

#ifndef _COM_SUN_STAR_DOCUMENT_XEVENTSSUPPLIER_HPP
#include <com/sun/star/document/XEventsSupplier.hpp>
#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_XMLERROR_HXX
#include "xmlerror.hxx"
#endif // _XMLOFF_XMLERROR_HXX
namespace binfilter {

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

using ::rtl::OUString;
using ::com::sun::star::xml::sax::XAttributeList;
using ::com::sun::star::beans::PropertyValue;
using ::com::sun::star::container::XNameReplace;
using ::com::sun::star::document::XEventsSupplier;
using ::com::sun::star::lang::IllegalArgumentException;

TYPEINIT1(XMLEventsImportContext,  SvXMLImportContext);


XMLEventsImportContext::XMLEventsImportContext(
	SvXMLImport& rImport, 
	sal_uInt16 nPrfx,
	const OUString& rLocalName) :
		SvXMLImportContext(rImport, nPrfx, rLocalName)
{
}


XMLEventsImportContext::XMLEventsImportContext(
	SvXMLImport& rImport, 
	sal_uInt16 nPrfx,
	const OUString& rLocalName,
	const Reference<XEventsSupplier> & xEventsSupplier) :
		SvXMLImportContext(rImport, nPrfx, rLocalName),
		xEvents(xEventsSupplier->getEvents())
{
}


XMLEventsImportContext::XMLEventsImportContext(
	SvXMLImport& rImport, 
	sal_uInt16 nPrfx,
	const OUString& rLocalName,
	const Reference<XNameReplace> & xNameReplace) :
		SvXMLImportContext(rImport, nPrfx, rLocalName),
		xEvents(xNameReplace)
{
}

XMLEventsImportContext::~XMLEventsImportContext()
{
// 	// if, for whatever reason, the object gets destroyed prematurely,
// 	// we need to delete the collected events
// 	EventsVector::iterator aEnd = aCollectEvents.end();
// 	for(EventsVector::iterator aIter = aCollectEvents.begin();
// 		aIter != aEnd;
// 		aIter++)
// 	{
// 		EventNameValuesPair* pPair = &(*aIter);
// 		delete pPair;
// 	}
// 	aCollectEvents.clear();
}


void XMLEventsImportContext::StartElement(
	const Reference<XAttributeList> & xAttrList)
{
	// nothing to be done
}

void XMLEventsImportContext::EndElement()
{
	// nothing to be done
}

SvXMLImportContext* XMLEventsImportContext::CreateChildContext( 
	sal_uInt16 nPrefix,
	const OUString& rLocalName,
	const Reference<XAttributeList> & xAttrList )
{
	// a) search for script:language and script:event-name attribute
	// b) delegate to factory. The factory will:
	//    1) translate XML event name into API event name
	//    2) get proper event context factory from import
	//    3) instantiate context

	// a) search for script:language and script:event-name attribute
	OUString sLanguage;
	OUString sEventName;
	sal_Int16 nCount = xAttrList->getLength();
	for (sal_Int16 nAttr = 0; nAttr < nCount; nAttr++)
	{
		OUString sLocalName;
		sal_uInt16 nPrefix = GetImport().GetNamespaceMap().
			GetKeyByAttrName( xAttrList->getNameByIndex(nAttr), &sLocalName );

		if (XML_NAMESPACE_SCRIPT == nPrefix)
		{
			if (IsXMLToken(sLocalName, XML_EVENT_NAME))
			{
				sEventName = xAttrList->getValueByIndex(nAttr);
			}
			else if (IsXMLToken(sLocalName, XML_LANGUAGE))
			{
				sLanguage = xAttrList->getValueByIndex(nAttr);
			}
			// else: ignore -> let child context handle this
		}
		// else: ignore -> let child context handle this
	}

	// b) delegate to factory
	return GetImport().GetEventImport().CreateContext(
		GetImport(), nPrefix, rLocalName, xAttrList, 
		this, sEventName, sLanguage);
}

void XMLEventsImportContext::SetEvents(
	const Reference<XEventsSupplier> & xEventsSupplier)
{
	if (xEventsSupplier.is())
	{
		SetEvents(xEventsSupplier->getEvents());
	}
}

void XMLEventsImportContext::SetEvents(
	const Reference<XNameReplace> & xNameRepl)
{
	if (xNameRepl.is())
	{
		xEvents = xNameRepl;

		// now iterate over vector and a) insert b) delete all elements
		EventsVector::iterator aEnd = aCollectEvents.end();
		for(EventsVector::iterator aIter = aCollectEvents.begin();
			aIter != aEnd;
			aIter++)
		{
			AddEventValues(aIter->first, aIter->second);
// 			EventNameValuesPair* pPair = &(*aIter);
// 			delete pPair;
		}
		aCollectEvents.clear();
	}
}

sal_Bool XMLEventsImportContext::GetEventSequence(
    const OUString& rName,
    Sequence<PropertyValue> & rSequence )
{
    // search through the vector
    // (This shouldn't take a lot of time, since this method should only get
    //  called if only one (or few) events are being expected)

    // iterate over vector until end or rName is found;
    EventsVector::iterator aIter = aCollectEvents.begin();
    while( (aIter != aCollectEvents.end()) && (aIter->first != rName) )
    {
        aIter++;
    }
    
    // if we're not at the end, set the sequence
    sal_Bool bRet = (aIter != aCollectEvents.end());
    if (bRet)
        rSequence = aIter->second;

    return bRet;
}

void XMLEventsImportContext::AddEventValues( 
	const OUString& rEventName,
	const Sequence<PropertyValue> & rValues )
{
	// if we already have the events, set them; else just collect
	if (xEvents.is())
	{
		// set event (if name is known)
		if (xEvents->hasByName(rEventName))
		{
			Any aAny;
			aAny <<= rValues;
            
            try
            {
                xEvents->replaceByName(rEventName, aAny);
            } catch ( const IllegalArgumentException & rException )
            {
                Sequence<OUString> aMsgParams(1);

                aMsgParams[0] = rEventName;
                
                GetImport().SetError(XMLERROR_FLAG_ERROR | 
                                     XMLERROR_ILLEGAL_EVENT,
                                     aMsgParams, rException.Message, 0);
            }
		}
	}
	else
	{
// 		EventNameValuesPair* aPair = new EventNameValuesPair(rEventName, 
// 															rValues);
// 		aCollectEvents.push_back(*aPair);
		EventNameValuesPair aPair(rEventName, rValues);
		aCollectEvents.push_back(aPair);
	}
}
}//end of namespace binfilter
