/*************************************************************************
 *
 *  $RCSfile: XPropertyWithState.idl,v $
 *
 *  $Revision: 1.9 $
 *
 *  last change: $Author: mi $ $Date: 2002-10-03 12:43:44 $
 *
 *  The Contents of this file are made available subject to the terms of
 *  either of the following licenses
 *
 *         - GNU Lesser General Public License Version 2.1
 *         - Sun Industry Standards Source License Version 1.1
 *
 *  Sun Microsystems Inc., October, 2000
 *
 *  GNU Lesser General Public License Version 2.1
 *  =============================================
 *  Copyright 2000 by Sun Microsystems, Inc.
 *  901 San Antonio Road, Palo Alto, CA 94303, USA
 *
 *  This library is free software; you can redistribute it and/or
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 *  Lesser General Public License for more details.
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 *
 *
 *  Sun Industry Standards Source License Version 1.1
 *  =================================================
 *  The contents of this file are subject to the Sun Industry Standards
 *  Source License Version 1.1 (the "License"); You may not use this file
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 ************************************************************************/
#ifndef __com_sun_star_beans_XPropertyWithState_idl__
#define __com_sun_star_beans_XPropertyWithState_idl__

#ifndef __com_sun_star_uno_XInterface_idl__
#include <com/sun/star/uno/XInterface.idl>
#endif

#ifndef __com_sun_star_beans_PropertyState_idl__
#include <com/sun/star/beans/PropertyState.idl>
#endif

#ifndef __com_sun_star_lang_WrappedTargetException_idl__
#include <com/sun/star/lang/WrappedTargetException.idl>
#endif

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

module com {  module sun {  module star {  module beans {

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

/** makes it possible to query information about the state of
    this object, seen as a property contained in a property set.

    <p> This interface provides direct access to operations
        that are available if the containing property set
        implements <type>XPropertyState</type>.
    </p>

    <p>The state contains the information if:</p>
    <ul>
        <li>a value is available or void</li>
        <li>the value is stored in the object itself, or if a default value is being used</li>
        <li>or if the value cannot be determined, due to ambiguity
            (multi selection with multiple values).</li>
    </ul>

    <p> Generally objects that implement this interface
        also implement <type>XProperty</type>.
    </p>
 */
interface XPropertyWithState: com::sun::star::uno::XInterface
{
    //-------------------------------------------------------------------------

    /** @returns
                the state of this as a property.
     */
    com::sun::star::beans::PropertyState getStateAsProperty( );

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

    /** sets this to its default value.

        <p> The value depends on the implementation of this interface.
            If this is a bound property, the value changes before
            the change events are fired.  If this is a constrained property,
            the vetoable event is fired before the property value changes.
        </p>

            @throws  com::sun::star::lang::WrappedTargetException
                if the implementation has an internal reason for the exception.
                In this case the original exception is wrapped into that
                <type scope="com::sun::star::lang">WrappedTargetException</type>.
     */
    void setToDefaultAsProperty( )
            raises( com::sun::star::lang::WrappedTargetException );

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

    /**     @returns
                an object representing the default state of this object (as a property).

            <p> If no default exists, is not known or is void,
                then the return value is <NULL/>.
            </p>

            @throws  com::sun::star::lang::WrappedTargetException
                if the implementation has an internal reason for the exception.
                In this case the original exception is wrapped into that
                <type scope="com::sun::star::lang">WrappedTargetException</type>.
     */
    com::sun::star::uno::XInterface getDefaultAsProperty( )
            raises( com::sun::star::lang::WrappedTargetException );
};

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

}; }; }; };

#endif