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 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
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#ifndef __com_sun_star_sheet_XExternalDocLink_idl__
#define __com_sun_star_sheet_XExternalDocLink_idl__

#include <com/sun/star/container/XEnumerationAccess.idl>
#include <com/sun/star/container/XIndexAccess.idl>
#include <com/sun/star/container/XNameAccess.idl>
#include <com/sun/star/sheet/XExternalSheetCache.idl>

module com {  module sun {  module star {  module sheet {

//=============================================================================

/** Primary interface for the <type scope="com::sun::star::sheet">ExternalDocLink</type> service.

    @see com::sun::star::sheet::ExternalDocLink

    @since OpenOffice 3.1
 */
interface XExternalDocLink
{
    interface com::sun::star::container::XNameAccess;
    interface com::sun::star::container::XIndexAccess;
    interface com::sun::star::container::XEnumerationAccess;

    //-------------------------------------------------------------------------

    /** <p>This method adds a new sheet cache instance to the external document
        link for a specified sheet name.  If a sheet cache instance already
        exists for the specified name, then the existing instance is returned.</p>

        <p>Note that a sheet name lookup is performed in a case-insensitive
        fashion.</p>

        @param aSheetName sheet name

        @param DynamicCache specify whether or not the cache can grow when 
        non-cached regions are queried.  If <true/>, querying a non-cached 
        cell in this sheet cache will allow Calc to try to access the source 
        document to fetch the value in first access.  If <false/>, the source 
        document will not be accessed, and the non-cached regions are treated 
        as empty cells.

        @return com::sun::star::sheet::XExternalSheetCache sheet cache instance
     */
    com::sun::star::sheet::XExternalSheetCache addSheetCache( [in] string aSheetName, [in] boolean DynamicCache );

    //-------------------------------------------------------------------------

    /** Index corresponding to the external document link.

        <p>This index value corresponds with the external document
        represented by an instance of
        <type scope="com::sun::star::sheet">ExternalDocLink</type>.  This
        value is stored within a formula token instance.</p>

        <p>Each external document cache instance has a unique index value, and this
        index value can be used to retrieve the corresponding external document cache
        from the parent <type scope="com::sun::star::sheet">ExternalDocLinks</type> instance.</p>

        @see com::sun::star::sheet::ExternalDocLinks
        @see com::sun::star::sheet::FormulaToken
        @see com::sun::star::sheet::ExternalReference
     */
    [attribute, readonly] long TokenIndex;
};

//=============================================================================

}; }; }; };

#endif