Reference Variable WD_CONTEXT 

WD_CONTEXT

Attribute WD_CONTEXT is a reference to the controller context.  Regardless of the edited controller, it is always a reference variable of the type IF_WD_CONTEXT_NODE. You can use WD_CONTEXT and the interface methods to edit the content of a context node in your controller method.

 Example:

The controller context contains the node MY_TABLE_NODE. You can use the method INVALIDATE_TABLE_NODE to invalidate the values of the node elements.

method INVALIDATE_TABLE_NODE .     data: TABLE_NODE type ref to IF_WD_CONTEXT_NODE.   TABLE_NODE = WD_CONTEXT->GET_CHILD_NODE( 'MY_TABLE_NODE' ).   TABLE_NODE->INVALIDATE( ).   endmethod.

 

GET_CHILD_NODE and INVALIDATE are methods of the interface IF_WD_CONTEXT_NODE. Other frequently used methods are GET_ATTRIBUTE or BIND_ELEMENT, for example. For a complete list of methods and their functions, refer to the reference section of this documentation (link is above).