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#ifndef __com_sun_star_container_XContainerQuery_idl__
#define __com_sun_star_container_XContainerQuery_idl__

#include <com/sun/star/uno/XInterface.idl>
#include <com/sun/star/container/XEnumeration.idl>
#include <com/sun/star/beans/NamedValue.idl>

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

module com {  module sun {  module star {  module container {

//=============================================================================
/** supports simple query feature on a container

    <p>
    This interface makes it possible to create sub sets of container items
    which serve specified search criterion.
    <p>
 */
published interface XContainerQuery: com::sun::star::uno::XInterface
{
    //-------------------------------------------------------------------------
    /** creates a sub set of container items which match given query command

        <p>
        Items of this sub set must match used query string. Format of query depends
        from real implementation. Using of "param=value" pairs isn't neccessary.
        So it's possible to combine different parameters as one simple command
        string.
        <p>

        @param Query    items of sub set must match to this query<br>
                        example:<br>
                        (1)<br>
                        query as parameter sequence to return all elements wich match
                        the name pattern and supports a special feature; sort it ascending<br>
                        "name=*myname_??_;sort=ascending;feature=VISIBLE"<br>
                        (2)<br>
                        query as command to return all elements which support special feature
                        and match by name pattern;ascending sort is the default<br>
                        "getAllVisible(*myname_??_)"<br>

        @returns an sub set of container items as an enumeration.
     */
    XEnumeration createSubSetEnumerationByQuery( [in] string Query );

    //-------------------------------------------------------------------------
    /** creates a sub set of container items which supports searched properties as minimum

        <p>
        It's not possible to use special commands or search specific parameters here.
        You can match by properties only. Enumerated elements must provide queried
        properties as minimum. Not specified properties willn't be used for searching.
        <p>

        @param Properties   items of sub set must support given properties as minimum<br>
                            example:<br>
                            (supported)<br>
                            search for items wich match the name pattern and supports the VISIBLE feature<br>
                            Parameters[0].Name  = "name"<br>
                            Parameters[0].Value = "*myname_??_"<br>
                            Parameters[1].Name  = "feature"<br>
                            Parameters[1].Value = "VISIBLE"<br>
                            ...<br>
                            (unsupported)<br>
                            "sort" isn't a property of a container item!
                            Parameters[0].Name  = "sort"<br>
                            Parameters[0].Value = "ascending"<br>
                            ...<br>

        @returns an sub set of container items as an enumeration.
     */
    XEnumeration createSubSetEnumerationByProperties( [in] sequence< com::sun::star::beans::NamedValue > Properties );
};

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

}; }; }; };

#endif