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 testVerticalFreeStanding(TestHarness harness)  
  {
    harness.checkPoint("testVerticalFreeStanding()");
    MyMetalScrollBarUI ui = new MyMetalScrollBarUI();
    JScrollBar scrollBar = new JScrollBar(JScrollBar.VERTICAL);
    scrollBar.putClientProperty("JScrollBar.isFreeStanding", Boolean.TRUE);
    scrollBar.setUI(ui);
    scrollBar.setBounds(0, 0, 20, 100);
    ui.layoutContainer(scrollBar);
    harness.check(ui.getTrackBounds(), new Rectangle(0, 15, 20, 69));    
    harness.check(ui.getThumbBounds(), new Rectangle(0, 15, 20, 17));
    
    scrollBar.setBounds(40, 50, 37, 250);
    ui.layoutContainer(scrollBar);
    harness.check(ui.getTrackBounds(), new Rectangle(0, 15, 37, 219));    
    harness.check(ui.getThumbBounds(), new Rectangle(0, 15, 37, 21));  
  }

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   */
  public void test(TestHarness harness)  
  {
    MyMetalScrollBarUI ui = new MyMetalScrollBarUI();
    harness.check(ui.getMinimumThumbSize(), new Dimension(0, 0));
    JScrollBar sb = new JScrollBar(JScrollBar.HORIZONTAL);
    sb.setUI(ui);
    sb.putClientProperty("JScrollBar.isFreeStanding", Boolean.FALSE);
    harness.check(ui.getMinimumThumbSize(), new Dimension(15, 15));
    sb.putClientProperty("JScrollBar.isFreeStanding", Boolean.TRUE);
    harness.check(ui.getMinimumThumbSize(), new Dimension(17, 17));
  }

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      e.printStackTrace();
    }


    // test horizontal scroll bar
    MyMetalScrollBarUI ui = new MyMetalScrollBarUI();
    JScrollBar scrollBar = new JScrollBar(JScrollBar.HORIZONTAL);
    scrollBar.setUI(ui);
    harness.check(ui.getPreferredSize(scrollBar), new Dimension(61, 17));
  
    // test vertical scroll bar
    MyMetalScrollBarUI ui2 = new MyMetalScrollBarUI();
    JScrollBar scrollBar2 = new JScrollBar(JScrollBar.VERTICAL);
    scrollBar2.setUI(ui2);
    harness.check(ui2.getPreferredSize(scrollBar2), new Dimension(17, 61));
  }

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    public static void log(final String msg){ 
        synchronized (logArea) {
            logArea.append(msg );
            logArea.append("\n\r");
        }
        JScrollBar scrBar = scroll.getVerticalScrollBar();
        int maxPos = scrBar.getMaximum();
        scrBar.setValue(maxPos);
    }

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        fScrollBarSkinProvider = scrollBarSkinProvider;
    }


    @Override
    public void installUI(JComponent c) {
        JScrollBar scrollBar = (JScrollBar) c;
        // convert the Swing scroll bar orientation to the type-safe ScrollBarOrientation.
        fOrientation = ScrollBarOrientation.getOrientation(scrollBar.getOrientation());
        fSkin = fScrollBarSkinProvider.provideSkin(fOrientation);
        super.installUI(c);
    }

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            return;
        }
        // the scrollbars auto-correct if we try to set a value that's out of
        // bounds
        Point hexPoint = getCentreHexLocation(c);
        JScrollBar vscroll = scrollpane.getVerticalScrollBar();
        vscroll.setValue(hexPoint.y - vscroll.getVisibleAmount() / 2);
        JScrollBar hscroll = scrollpane.getHorizontalScrollBar();
        hscroll.setValue(hexPoint.x - hscroll.getVisibleAmount() / 2);
        repaint();
    }

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    //
    // KeyListener
    //
    public void keyPressed(KeyEvent ke) {
        JScrollBar vbar = scrollpane.getVerticalScrollBar();
        JScrollBar hbar = scrollpane.getHorizontalScrollBar();
        switch (ke.getKeyCode()) {
        case KeyEvent.VK_NUMPAD7:
            hbar.setValue((int) (hbar.getValue() - HEX_W * scale));
            vbar.setValue((int) (vbar.getValue() - HEX_H * scale));
            break;
        case KeyEvent.VK_NUMPAD8:
        case KeyEvent.VK_UP:
            vbar.setValue((int) (vbar.getValue() - HEX_H * scale));
            break;
        case KeyEvent.VK_NUMPAD9:
            hbar.setValue((int) (hbar.getValue() + HEX_W * scale));
            vbar.setValue((int) (vbar.getValue() - HEX_H * scale));
            break;
        case KeyEvent.VK_NUMPAD1:
            hbar.setValue((int) (hbar.getValue() - HEX_W * scale));
            vbar.setValue((int) (vbar.getValue() + HEX_H * scale));
            break;
        case KeyEvent.VK_NUMPAD2:
        case KeyEvent.VK_DOWN:
            vbar.setValue((int) (vbar.getValue() + HEX_H * scale));
            break;
        case KeyEvent.VK_NUMPAD3:
            hbar.setValue((int) (hbar.getValue() + HEX_W * scale));
            vbar.setValue((int) (vbar.getValue() + HEX_H * scale));
            break;
        case KeyEvent.VK_NUMPAD4:
        case KeyEvent.VK_LEFT:
            hbar.setValue((int) (hbar.getValue() - HEX_W * scale));
            break;
        case KeyEvent.VK_NUMPAD6:
        case KeyEvent.VK_RIGHT:
            hbar.setValue((int) (hbar.getValue() + HEX_W * scale));
            break;
        case KeyEvent.VK_NUMPAD5:
            // center on the selected entity
            if (selectedEntity != null) {
                centerOnHex(selectedEntity.getPosition());

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            return;
        }


        oldtime = time;


        JScrollBar bar = logSp.getVerticalScrollBar();
        bar.setValue(bar.getMaximum());


        //logSp.paintImmediately(0, 0, logSp.getSize().width,
        //                       logSp.getSize().height);
        /*
        SwingUtilities.invokeLater(new Runnable()

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    public void ensureLogging()
    {
        if(buffer.equals(""))
        {
            JScrollBar bar;


            if((logSp == null) ||
                   ((bar = logSp.getVerticalScrollBar()) == null) || bar == null ||
                   (bar.getValue() == bar.getMaximum()) ||
                   bar.getValueIsAdjusting())
            {
                return;
            }
            else
            {
                bar.setValue(bar.getMaximum());
                logSp.repaint();


                /*
                logSp.paintImmediately(0, 0, logSp.getSize().width,
                               logSp.getSize().height);

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                catch(Exception ex)
                {
                    ex.printStackTrace();
                }


                JScrollBar bar = textP.getVerticalScrollBar();
                bar.setValue(bar.getMaximum());


               // text.setCaretPosition(i);
                text.setCaretPosition(text.getText().length());
                //text.getCaret().setDot(1);
            }

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