@ Nullable private XTextViewCursor getViewCursor ( XComponentContext xContext ) { try { XComponent xCurrentComponent = OfficeTools . getCurrentComponent ( xContext ) ; if ( xCurrentComponent == null ) { return null ; } XModel xModel = UnoRuntime . queryInterface ( XModel . class , xCurrentComponent ) ; if ( xModel == null ) { return null ; } XController xController = xModel . getCurrentController ( ) ; if ( xController == null ) { return null ; } XTextViewCursorSupplier xViewCursorSupplier = UnoRuntime . queryInterface ( XTextViewCursorSupplier . class , xController ) ; if ( xViewCursorSupplier == null ) { return null ; } return xViewCursorSupplier . getViewCursor ( ) ; } catch ( Throwable t ) { MessageHandler . printException ( t ) ; // all Exceptions thrown by UnoRuntime.queryInterface are caught return null ; // Return null as method failed } }
Returns ViewCursor Returns null if it fails