question: protected int layoutRow ( FlowView fv , int rowIndex , int p0 ) { int p1 = super . layoutRow ( fv , rowIndex , p0 ) ; View row = fv . getView ( rowIndex ) ; Document doc = fv . getDocument ( ) ; Object i18nFlag = doc . getProperty ( AbstractDocument . I18NProperty ) ; if ( ( i18nFlag != null ) && i18nFlag . equals ( Boolean . TRUE ) ) { int n = row . getViewCount ( ) ; if ( n > 1 ) { AbstractDocument d = ( AbstractDocument ) fv . getDocument ( ) ; Element bidiRoot = d . getBidiRootElement ( ) ; byte [ ] levels = new byte [ n ] ; View [ ] reorder = new View [ n ] ; for ( int i = 0 ; i < n ; i ++ ) { View v = row . getView ( i ) ; int bidiIndex = bidiRoot . getElementIndex ( v . getStartOffset ( ) ) ; Element bidiElem = bidiRoot . getElement ( bidiIndex ) ; levels [ i ] = ( byte ) StyleConstants . getBidiLevel ( bidiElem . getAttributes ( ) ) ; reorder [ i ] = v ; } BidiUtils . reorderVisually ( levels , reorder ) ; row . replace ( 0 , n , reorder ) ; } } return p1 ; }
target:  Creates a row of views that will fit within the layout span of the row.  This is implemented to execute the superclass functionality (which fills the row with child views or view fragments) and follow that with bidi reordering of the unidirectional view fragments.