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#ifndef _XMLOFF_XMLEVENT_HXX
#define _XMLOFF_XMLEVENT_HXX

#include <com/sun/star/uno/Sequence.hxx>


/**
 * @#file
 *
 * Several definition used in im- and export of events
 */

namespace com { namespace sun { namespace star {
    namespace xml { namespace sax { class XAttributeList; } }
    namespace beans { struct PropertyValue; }
} } }
namespace rtl { class OUString; }
namespace binfilter {

class SvXMLExport;
class SvXMLImportContext;
class SvXMLImport;
class XMLEventsImportContext;

/**
 * XMLEventNameTranslation: define tables that translate between event names
 * as used in the XML file format and in the StarOffice API.
 * The last entry in the table must be { NULL, NULL }.
 */
struct XMLEventNameTranslation
{
    const sal_Char* sAPIName;
    const sal_Char* sXMLName;
};

/// a translation table for the events defined in the XEventsSupplier service
/// (implemented in XMLEventExport.cxx)
extern const XMLEventNameTranslation aStandardEventTable[];

/** 
 * Handle export of an event for a certain event type (event type as
 * defined by the PropertyValue "EventType" in API).
 *
 * The Handler has to generate the full <script:event> element.
 */
class XMLEventExportHandler
{
public:
    virtual ~XMLEventExportHandler() {};

    virtual void Export( 
        SvXMLExport& rExport,					/// the current XML export
        const ::rtl::OUString& rEventName,		/// the XML name of the event
        ::com::sun::star::uno::Sequence<		/// the values for the event
            ::com::sun::star::beans::PropertyValue> & rValues,
         sal_Bool bUseWhitespace) = 0;	/// create whitespace around elements?
};

/** 
 * Handle import of an event for a certain event type (as defined by
 * the PropertyValue "EventType" in the API).
 *
 * EventContextFactories must be registered with the EventImportHelper
 * that is attached to the SvXMLImport.
 *
 * The factory has to create an import context for a <script:event>
 * element.  The context has to call the
 * EventsImportContext::AddEventValues() method to fave its event
 * registered with the enclosing element. For events consisting only
 * of attributes (and an empty element) an easy solution is to handle
 * all attributes in the CreateContext()-method and return a default
 * context.
 *
 * EventContextFactory objects have to be registered with the
 * EventsImportHelper.
 */
class XMLEventContextFactory
{
public:
    virtual ~XMLEventContextFactory() {};

    virtual SvXMLImportContext* CreateContext(
        SvXMLImport& rImport,				/// import context
        sal_uInt16 nPrefix,					/// element: namespace prefix
        const ::rtl::OUString& rLocalName,	/// element: local name
        const ::com::sun::star::uno::Reference< 	/// attribute list
            ::com::sun::star::xml::sax::XAttributeList> & xAttrList,
        /// the context for the enclosing <script:events> element
        XMLEventsImportContext* rEvents, 
        /// the event name (as understood by the API)
        const ::rtl::OUString& rApiEventName,
        /// the event type name (as registered)
        const ::rtl::OUString& rLanguage) = 0;	
};

}//end of namespace binfilter
#endif

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