public CurrentPageChanger( JScrollPane scrollpane, AbstractDocumentView documentView, List<AbstractPageViewComponent> pageComponents, boolean addWheelMouseListener) { this.pageComponents = pageComponents; this.scrollpane = scrollpane; this.documentView = documentView; documentViewModel = documentView.getViewModel(); // listen for scroll bar manaipulators this.documentView.addMouseListener(this); this.scrollpane.getHorizontalScrollBar().addAdjustmentListener(this); this.scrollpane.getHorizontalScrollBar().addMouseListener(this); this.scrollpane.getVerticalScrollBar().addAdjustmentListener(this); this.scrollpane.getVerticalScrollBar().addMouseListener(this); // addMouseListenerToAnyButtonsIn(scrollpane.getHorizontalScrollBar()); // addMouseListenerToAnyButtonsIn(scrollpane.getVerticalScrollBar()); // load wheel mouse listener mouseWheelCurrentPageListener = MouseWheelCurrentPageListener.install(scrollpane, this); }