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module com { module sun { module star { module configuration {
/** provides access to a predefined heterogeneous group of values and nested
trees as part of a hierarchy .
< p > Provides access to , and information about , its children and descendants
viewed either as properties or as contained elements .
< / p >
< p > < em > Groups < / em > are static collections within the hierarchy . < / p >
< p > The number and names of contained elements are fixed in advance
and each child may have a different type .
< / p >
< p > This service subsumes two alternate ways of accessing child and descendent
elements . These strongly overlap , supporting the basic identity
< code > xGroup . getPropertyValue ( aName ) = = xGroup . getByName ( aName ) < / code > .
< / p >
@ see com : : sun : : star : : configuration : : GroupElement
Child objects of this service generally implement service GroupElement .
@ see com : : sun : : star : : configuration : : SetAccess
A complementary service providing for dynamic homogeneous sets of elements .
*/
published service GroupAccess
{
/** is the basic service for accessing child and descendent nodes using
a view of the tree as a container of values and structuring elements .
*/
service HierarchyAccess;
/** is the basic service for accessing child and descendent nodes using
a view of the tree as a hierarchy of properties and subproperties .
< p > This view is meaningful only for a static fragment of the hierarchy
Object ' s properties may change , but not which properties they have .
Therefore , dynamic elements of the hierarchy ( see SetAccess )
do not implement service PropertyHierarchy .
< / p >
< p > If such elements occur as properties or subproperties of an implementation ,
it is not specified whether direct subproperty access using
com : : sun : : star : : beans : : XHierarchicalPropertySet or
com : : sun : : star : : beans : : XMultiHierarchicalPropertySet can
be used to access descendants of such elements .
< / p >
< p > Similarly , information about such descendants may not be available from
the com : : sun : : star : : beans : : XHierarchicalPropertySetInfo
the implementation provides .
< / p >
< p > If an implementation is part of a < em > read - only < / em > view of the hierarchy ,
all properties and subproperties will be reported as having attribute
com : : sun : : star : : beans : : PropertyAttribute : : READONLY set ,
and attempts to change property values will fail .
< / p >
*/
service PropertyHierarchy;
/** provides access to the state of child elements of an implementation. [optional]
< p > This interface should be present , if the hierarchy supports default values
for simple ( non - object ) properties and the group contains such properties .
< / p >
< p > For properties that are objects themselves , the semantic documented for
service HierarchyAccess applies .
< / p >
*/
[optional] interface com::sun::star::beans::XPropertyState;
/** provides access to the states of multiple child elements of
an implementation . [ optional ]
< p > This interface should be present , if the hierarchy supports default values
for simple ( non - object ) properties and the group contains such properties .
< / p >
< p > For properties that are objects themselves , the semantic documented for
service HierarchyAccess applies .
< / p >
*/
[optional] interface com::sun::star::beans::XMultiPropertyStates;
};
}; }; }; };
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