private MyScrollingHelper() { myLeftScroll = new JScrollBar(JScrollBar.HORIZONTAL); myLeftScroll.setUI(ButtonlessScrollBarUI.createNormal()); myLeftEditors = new ArrayList<Editor>(); myRightEditors = new ArrayList<Editor>(); myMaxColumnsLeft = 0; myMaxColumnsRight = 0; myLeftModels = new ArrayList<ScrollingModel>(); myRightModels = new ArrayList<ScrollingModel>(); }