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#ifndef __com_sun_star_ui_XUIConfigurationPersistence_idl__
#define __com_sun_star_ui_XUIConfigurationPersistence_idl__

#ifndef __com_sun_star_embed_XStorage_idl__
#include <com/sun/star/embed/XStorage.idl>
#endif

module com { module sun { module star { module ui { 

/** specifies a persistence interface which supports to load/store user 
    interface configuration data to a storage and to retrieve information 
    about the current state.

    @since OOo 2.0
*/

interface XUIConfigurationPersistence : ::com::sun::star::uno::XInterface
{
    /** reloads the configuration data from the storage and reinitialize 
        the user interface configuration manager instance with this data.

        <p>
        It is up to the implementation if it defers the first loading process 
        until the first data request using <type>XUIConfigurationManager</type> 
        interface.
        </p>
    */
    void reload() raises ( ::com::sun::star::uno::Exception );
    
    /** stores the configuration data to the storage provided by 
        <member>setStorage</member> from the storage and initialize the 
        user interface configuration manager instance with the newly 
        data. This call can throw an 
        <type scope="com::sun::star::io">IOException</type> if 
        <member>store</member> cannot store its data into the internal 
        storage.
    */
    void store() raises ( ::com::sun::star::uno::Exception );
        
    /** stores the configuration data to the provided storage, ignoring 
        the previously set storage by <member>setStorage</member>. Can 
        be used to make copy of the current user interface configuration 
        data to another storage. This call will throw an  
        <type scope="com::sun::star::io">IOException</type> if the provided
        storage is in read-only mode.

        @param Storage
            all configuration data will be stored to this storage.
    */
    void storeToStorage( [in] ::com::sun::star::embed::XStorage Storage ) raises ( ::com::sun::star::uno::Exception );

    /** provides the current modify state of the configuration manager 
        instance.

        @return
            <TRUE/> if the configuration manager has changed since the 
            last <member>store</member> call. <FALSE/> if the configuration 
            manager has not been changed.
    */
    boolean isModified();

    /** provides the current read-only state of the user configuration 
        manager. Storing a user interface configuration to a read-only storage 
        is not possible. A read-only configuration manager instance will also 
        not support any changes to its configuration settings.

        @return
            <TRUE/> if the configuration manager storage is read-only otherwise 
            <FALSE/>.
    */
    boolean isReadOnly();
};

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

}; }; }; };

#endif
