/*************************************************************************
 *
 *  $RCSfile: XValueBinding.idl,v $
 *
 *  $Revision: 1.3.40.1 $
 *
 *  last change: $Author: vg $ $Date: 2003/11/14 10:53:14 $
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 *         - GNU Lesser General Public License Version 2.1
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 *  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
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 *  Sun Industry Standards Source License Version 1.1
 *  =================================================
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#ifndef __drafts_com_sun_star_form_XValueBinding_idl__
#define __drafts_com_sun_star_form_XValueBinding_idl__

#ifndef __com_sun_star_uno_XInterface_idl__
#include <com/sun/star/uno/XInterface.idl>
#endif
#ifndef __com_sun_star_lang_NoSupportException_idl__
#include <com/sun/star/lang/NoSupportException.idl>
#endif
#ifndef __drafts_com_sun_star_form_IncompatibleTypesException_idl__
#include <drafts/com/sun/star/form/IncompatibleTypesException.idl>
#endif

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

module drafts { module com {  module sun {  module star {  module form {

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

/** specifies a binding to a value which can be read and written.
*/
interface XValueBinding : com::sun::star::uno::XInterface
{
	//-------------------------------------------------------------------------
	/** determines the types which are supported by this binding for value exchange

        @see supportsType
    */
    sequence< type >
            getSupportedValueTypes( );

	/** determines whether a given type is supported by this binding for value exchange

        <p>Calling this method is equal to calling <member>getSupportedValueTypes</member>,
        and looking up the given type in the resulting type sequence.</p>

        @see getSupportedValueTypes
    */
    boolean supportsType( [in] type aType );

	/** retrieves the current value

        @throws <type>IncompatibleTypesException</type>
            if the requested value type is not supported by the binding
        @see getSupportedValueTypes
        @see supportsType
    */
    any     getValue( [in] type aType )
                raises( IncompatibleTypesException );

	/** sets the current value

        @throws <type>IncompatibleTypesException</type>
            if the given value type is not supported by the binding
        @throws <type scope="com::sun::star::lang">NoSupportException</type>
            if the value currently cannot be changed (e.g. because it's readonly),
            or if the binding in general does not support write access to it's binding
            
        @see getSupportedValueTypes
        @see supportsType
        @see ValueBinding
    */
    void    setValue( [in] any aValue )
                raises( IncompatibleTypesException, com::sun::star::lang::NoSupportException );
};

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

}; }; }; }; };

#endif
