xref: /aoo41x/main/offapi/com/sun/star/configuration/HierarchyAccess.idl (revision d1766043)

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#ifndef __com_sun_star_configuration_HierarchyAccess_idl__
#define __com_sun_star_configuration_HierarchyAccess_idl__

#ifndef __com_sun_star_container_XNameAccess_idl__
#include <com/sun/star/container/XNameAccess.idl>
#endif

#ifndef __com_sun_star_container_XHierarchicalNameAccess_idl__
#include <com/sun/star/container/XHierarchicalNameAccess.idl>
#endif

#ifndef __com_sun_star_container_XContainer_idl__
#include <com/sun/star/container/XContainer.idl>
#endif

#ifndef __com_sun_star_beans_XExactName_idl__
#include <com/sun/star/beans/XExactName.idl>
#endif

#ifndef __com_sun_star_beans_XPropertySetInfo_idl__
#include <com/sun/star/beans/XPropertySetInfo.idl>
#endif

#ifndef __com_sun_star_beans_XPropertyState_idl__
#include <com/sun/star/beans/XPropertyState.idl>
#endif

#ifndef __com_sun_star_beans_XMultiPropertyState_idl__
#include <com/sun/star/beans/XMultiPropertyStates.idl>
#endif

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

module com { module sun { module star { module configuration {

//=============================================================================
/** provides access to a hierarchy of descendant elements.

 <p>Subnodes are accessed by their name. Values that are direct or indirect
 descendants of this tree node can be retrieved. Non-value subnodes can be
 navigated using container interfaces.
 Other interfaces provide access to information about this node.
 Changes to values in the subtree can be monitored by event listeners.
 </p>

 <p>Elements of this container that are not simple values
 are similar containers themselves, thus (recursively) forming a
 hierarchical tree.
 </p>

 <p>Implementations of this service usually also implement
 service <type>HierarchyElement</type>, which concerns the complementary role
 of being accessible as an element of the hierarchy.
 </p>
*/
published service HierarchyAccess
{
/** allows access to immediate children of this node.

 <p><member scope="com::sun::star::container">XNameAccess::getByName()</member>
 returns an <atom>any</atom> holding either a simple value or an interface
 on another HierarchyAccess if the child is not a simple value.
 </p>
*/
	interface com::sun::star::container::XNameAccess;

/** allows access to all descendants of this node

 <p><member scope="com::sun::star::container">XHierarchicalNameAccess::getByHierarchicalName()</member>
 returns an <atom>any</atom> holding either a simple value or an interface
 on another HierarchyAccess if the descendant is not a simple value.
 </p>
*/
	interface com::sun::star::container::XHierarchicalNameAccess;

/** allows attaching listeners to this node to monitor changes to immediate child nodes.
*/
	interface com::sun::star::container::XContainer;

/** provides support for inexact names.
 <p>Exact names can be obtained for simple or hierarchical names for use in
 <type scope="com::sun::star::container">XNameAccess</type>,
 <type scope="com::sun::star::container">XHierarchicalNameAccess</type>,
 <type scope="com::sun::star::beans">XPropertySet</type> or
 any other interfaces that allow access to or manipulation of subnodes
 selected by name or hierarchical name.
 </p>
 <p>If an inexact name could be matched to either a simple or a hierachical
 name, the simple (immediate child) name is preferred.
 </p>
*/
	interface com::sun::star::beans::XExactName;

/** provides information about immediate children of this node. [optional]

 <p>This interface may be missing, if the hierarchy supports no traits that are
 described by <type scope="com::sun::star::beans">PropertyAttribute</type>
 values or if the same information is available by other means,
 e.g. if the implementation supports
 <member scope="com::sun::star::beans">XPropertySet::getPropertySetInfo()</member>.
 </p>

 <p>If a child of this node is an object that implements
 <type scope="com::sun::star::beans">XProperty</type>, then this implementation
 returns the same <type scope="com::sun::star::beans">Property</type> for that
 child as the child itself.
 </p>
*/
	[optional] interface com::sun::star::beans::XPropertySetInfo;

/** provides access to the state of child elements of an implementation. [optional]

 <p>This interface may be missing if the hierarchy (or a hierarchy fragment
 that contains this implementation as element) does not support default values or
 if the node does not support accessing the default state of individual children.
 </p>

 <p>If elements that are not simple values, but objects themselves, support
 a default state (as indicated by
 <const scope="com::sun::star::beans">PropertyAttribute::MAYBEDEFAULT</const>),
 they should implement
 <type scope="com::sun::star::beans">XPropertyWithState</type>, in which case
 the <type scope="com::sun::star::beans">PropertyState</type> applies to all
 their children and recursively to all descendants.
 </p>

 <p>If an implementation is part of a <em>read-only</em> view of the hierarchy,
 attempts to change property states will fail.
 </p>
*/
	[optional] interface com::sun::star::beans::XPropertyState;

/** provides access to the states of multiple child elements of
 an implementation. [optional]

 <p>This interface may be missing if the hierarchy (or a hierarchy fragment
 that contains this implementation as element) does not support default values
 if the node does not support accessing the default state of individual children.
 </p>

 <p>If elements that are not simple values, but objects themselves, support
 a default state (as indicated by
 <const scope="com::sun::star::beans">PropertyAttribute::MAYBEDEFAULT</const>),
 they should implement
 <type scope="com::sun::star::beans">XPropertyWithState</type>, in which case
 the <type scope="com::sun::star::beans">PropertyState</type> applies to all
 their children and recursively to all descendants.
 </p>

 <p>If an implementation is part of a <em>read-only</em> view of the hierarchy,
 attempts to change property states will fail.
 </p>
*/
	[optional] interface com::sun::star::beans::XMultiPropertyStates;
};

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

}; }; }; };

#endif