question: private void installNodeSelectorTab ( String label , NodeSelectorPart selectorPart ) { Composite selectionControl = selectorPart . createControl ( selectorTab , SWT . NONE , getEditor ( ) ) ; selectionControl . setLayoutData ( new GridData ( SWT . FILL , SWT . FILL , true , true ) ) ; selectorTabParts . add ( selectorPart ) ; TabItem tabItem = new TabItem ( selectorTab , SWT . NONE ) ; tabItem . setText ( label ) ; tabItem . setControl ( selectionControl ) ; }
target:  Install a new node selector part into the selectors tab.