public SelectionInputDialog(Window owner,String key,boolean editable,Collection<T> selectionValues,T initialSelectionValue,Object... keyArguments){
  this(owner,key,selectionValues,initialSelectionValue,keyArguments);
  comboBox.setEditable(editable);
}

public SelectionInputDialog ( Window owner , String key , boolean editable , Collection < T > selectionValues , T initialSelectionValue , Object ... keyArguments ) { this ( owner , key , selectionValues , initialSelectionValue , keyArguments ) ; comboBox . setEditable ( editable ) ; }
create a selectioninputdialog whose combobox can be editable .
