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#ifndef __com_sun_star_form_runtime_XFilterControllerListener_idl__
#define __com_sun_star_form_runtime_XFilterControllerListener_idl__

#include <com/sun/star/lang/XEventListener.idl>
#include <com/sun/star/form/runtime/FilterEvent.idl>

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

module com { module sun { module star { module form { module runtime {

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

/** is implemented by components listening for events fired by an <type>XFilterController</type>.

    @since OOo 3.3
*/
interface XFilterControllerListener : ::com::sun::star::lang::XEventListener
{
    /** is fired when a single <em>predicate expression</em> of the filter represented by the filter
        controller changed.

        <p><member>FilterEvent::DisjunctiveTerm</member> is the index of the <em>disjunctive term</em> in which the
        expression changed. This usually equals <member>XFilterController::ActiveTerm</member>.</p>

        <p><member>FilterEvent::FilterComponent</member> denotes the index of the filter component whose
        <em>predicate expression</em> changed.</p>

        <p><member>FilterEvent::PredicateExpression</member> is the new <em>predicate expressions</em>.</p>
    */
    void    predicateExpressionChanged( [in] FilterEvent _Event );

    /** is fired when a <em>disjunctive term</em> was removed from the filter of the filter controller.

        <p><member>FilterEvent::DisjunctiveTerm</member> is the index of the <em>disjunctive term</em> which was
        removed.</p>

        <p><member>FilterEvent::FilterComponent</member> and <member>FilterEvent::PredicateExpression</member> are not
        used for this event type.</p>
    */
    void    disjunctiveTermRemoved( [in] FilterEvent _Event );

    /** is fired when a <em>disjunctive term</em> was added to the filter of the filter controller.

        <p><member>FilterEvent::DisjunctiveTerm</member> is the index of the <em>disjunctive term</em> which was
        added.</p>

        <p><member>FilterEvent::FilterComponent</member> and <member>FilterEvent::PredicateExpression</member> are not
        used for this event type.</p>
    */
    void    disjunctiveTermAdded( [in] FilterEvent _Event );
};

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

}; }; }; }; }; 

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

#endif
