Examples of javax.swing.JScrollBar$ModelListener

javax.swing.JScrollBar
This class listens to ChangeEvents on the model and forwards AdjustmentEvents for the sake of backwards compatibility. Unfortunately there's no way to determine the proper type of the AdjustmentEvent as all updates to the model's value are considered equivalent.

  public void scrollPageLeft() {
    scrollPageHorizontal(-1);
  }


  private void scrollPageHorizontal(int direction) {
    JScrollBar scrollBar = getHorizontalScrollBar();
    int pos = scrollBar.getValue() + direction * getFullColumns() * mProgramTable.getColumnWidth();
    int max = scrollBar.getMaximum() - scrollBar.getVisibleAmount();
    if (pos > max) {
      pos = max;
    }
    if (pos < 0) {
      pos = 0;
    }
    scrollBar.setValue(pos);
  }

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    HistoryStackElement newSite = new HistoryStackElement();
    newSite.mText = mEditorPane.getText();
    newSite.mSourcePath = mSourcePath;
    newSite.mSourceClass = mSourceClass;


    JScrollBar scrollBar = mScrollPane.getVerticalScrollBar();
    newSite.mVerticalScrollBarRelValue = ((double) scrollBar.getValue()) / ((double) scrollBar.getMaximum());


    mHistoryStack.push(newSite);


    mBackButton.setEnabled(true);
  }

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    public ScrollBarUpdater (double updateScrollBarTo) {
      mUpdateScrollBarTo = updateScrollBarTo;
    }
    
    public void run() {
      JScrollBar bar = mScrollPane.getVerticalScrollBar();
      bar.setValue((int) (mUpdateScrollBarTo * bar.getMaximum()));
    }

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        try {
            // Fix for the continuous scrolling issue (not very elegant..)
            
            JViewport vp = (JViewport) getParent();
            JScrollPane sp = (JScrollPane) vp.getParent();
            JScrollBar sb = sp.getVerticalScrollBar();
            
            if (increment != 0)
                sb.setUnitIncrement(increment);
        } catch (Exception e) {
            logger.warn("Could not set the incrememt for the scrollbar", e);
        }
    }

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    public ViewScrollPane(View view) {
        super((JComponent) view.getViewComponent());


        this.component = view.getViewComponent();
        JScrollBar sb = getVerticalScrollBar();
        
        if (sb != null) 
            sb.addAdjustmentListener(this);
    }

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  /**
   * Create the console widget
   */
  public JConsole() {
    /* Add a scrollbar */
    scrollBar = new JScrollBar();
    scrollBar.addAdjustmentListener(new ScrollBarListener());
    addMouseWheelListener(new WheelListener());
    add(scrollBar);


    /* Construct the buffer */

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        // Scroll up or down as necessary to keep selected row
        // viewable
        if (selectedRow >= 0) {
            int spheight = scrollPane.getHeight();
            JScrollBar sb = scrollPane.getVerticalScrollBar();
            int sv = sb.getValue();
            int paneheight = ((LayerPane) panes.get(selectedRow)).getHeight();
            int rowvalue = selectedRow * paneheight;
            // Don't reset scrollBar unless the selected row
            // is not in the viewable range
            if (!((rowvalue > sv) && (rowvalue < spheight + sv))) {
                sb.setValue(rowvalue);
            }
        }


        Object[] layerArray = layerList.toArray();
        int length = layerArray.length;

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        text = Installer.resources.getString(key+os);
      } catch (MissingResourceException e1) {
        text = Installer.resources.getString(key);
      }
      tipPane.setText(text);
      JScrollBar sb = tipScroll.getVerticalScrollBar();
      if (sb!=null) sb.setValue(sb.getMinimum());
    }

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  /**  Constructor, sets up AWT components  */
  public ATRView() {
    super();


    panel = new JPanel();
    scrollbar = new JScrollBar(JScrollBar.VERTICAL, 0, 1, 0, 1);
    destRect = new Rectangle();


    panel.setLayout(new BorderLayout());
    panel.add(this, BorderLayout.CENTER);
    panel.add(scrollbar, BorderLayout.EAST);

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  /**  Constructor, sets up AWT components  */
  public ATRZoomView() {
    super();


    panel = new JPanel();
    scrollbar = new JScrollBar(JScrollBar.VERTICAL, 0, 1, 0, 1);
    destRect = new Rectangle();


    panel.setLayout(new BorderLayout());
    panel.add(this, BorderLayout.CENTER);
    panel.add(scrollbar, BorderLayout.EAST);

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