Example usage for javax.swing JScrollPane getViewport

Introduction

In this page you can find the example usage for javax.swing JScrollPane getViewport.

Prototype

public JViewport getViewport() 

Source Link

Document

Returns the current JViewport.

Usage

From source file:Main.java

public static void main(String[] args) throws UnsupportedEncodingException {
    JFrame frame = new JFrame();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    JPanel panel = new JPanel(new BorderLayout());
    JPanel buttons = new JPanel();
    JScrollPane pane = new JScrollPane(buttons);
    pane.getViewport().addChangeListener(e -> {
        System.out.println("Change in " + e.getSource());
        System.out.println("Vertical visible? " + pane.getVerticalScrollBar().isVisible());
        System.out.println("Horizontal visible? " + pane.getHorizontalScrollBar().isVisible());
    });//from www. j  a  v  a  2s . c o  m
    panel.add(pane);
    frame.setContentPane(panel);
    frame.setSize(300, 200);
    frame.setVisible(true);
    SwingWorker<Void, Void> worker = new SwingWorker<Void, Void>() {
        @Override
        protected Void doInBackground() throws Exception {
            for (int i = 0; i < 10; i++) {
                Thread.sleep(800);
                buttons.add(new JButton("Hello " + i));
                buttons.revalidate();
            }
            return null;
        }
    };
    worker.execute();
}

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From source file:SetViewportPosition.java

public static void main(String args[]) {
    JFrame frame = new JFrame();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    Vector<String> rowOne = new Vector<String>();
    rowOne.addElement("Row1-Column1");
    rowOne.addElement("Row1-Column2");
    rowOne.addElement("Row1-Column3");

    Vector<String> rowTwo = new Vector<String>();
    rowTwo.addElement("Row2-Column1");
    rowTwo.addElement("Row2-Column2");
    rowTwo.addElement("Row2-Column3");

    Vector<Vector> rowData = new Vector<Vector>();
    rowData.addElement(rowOne);//w  w w.  j a va  2 s.c  o m
    rowData.addElement(rowTwo);

    Vector<String> columnNames = new Vector<String>();
    columnNames.addElement("Column One");
    columnNames.addElement("Column Two");
    columnNames.addElement("Column Three");
    JTable table = new JTable(rowData, columnNames);

    JScrollPane scrollPane = new JScrollPane(table);
    scrollPane.getViewport().setViewPosition(new Point(0, 0));
    frame.add(scrollPane, BorderLayout.CENTER);
    frame.setSize(300, 150);
    frame.setVisible(true);

}

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From source file:Main.java

public static void main(String[] args) {
    java.awt.EventQueue.invokeLater(new Runnable() {
        public void run() {
            JScrollPane scrollpane = new JScrollPane(new ScrollPaneArtifacts());
            scrollpane.getViewport().setPreferredSize(new Dimension(400, 400));
            JFrame frame = new JFrame("ScrollPaneArtifacts");
            frame.getContentPane().add(scrollpane);
            frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
            frame.pack();// ww w.j  a  va  2 s .c  o m
            frame.setLocationRelativeTo(null);
            frame.setVisible(true);
        }
    });
}

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From source file:Main.java

public static void main(String[] args) {
    String text = "one\ntwo\nthree\nfour\nfive";
    JFrame frame = new JFrame("title");
    JTextArea textArea = new JTextArea(text, 1, 30); // shows only one line
    JScrollPane scrollPane = new JScrollPane(textArea);
    frame.add(scrollPane);/* w w w.  ja  v a  2  s.c  o m*/
    frame.pack();
    frame.setVisible(true);

    final JViewport viewport = scrollPane.getViewport();

    textArea.addCaretListener(e -> {
        System.out.println("First : " + viewport.getViewPosition());
        System.out.println("Second: " + viewport.getViewPosition());
    });
    textArea.setCaretPosition(text.length());
}

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From source file:Main.java

public static void main(String[] args) {

    JFrame frame = new JFrame();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    JTextPane newsTextPane = new JTextPane();
    newsTextPane.setEditable(false);/* w  ww .  j  ava 2  s.c  o m*/

    JScrollPane scrollPane = new JScrollPane(newsTextPane);

    frame.add(scrollPane);
    frame.setSize(300, 250);
    frame.setVisible(true);

    System.out.println("Height : " + scrollPane.getViewport().getSize().height + "\nWidth :"
            + scrollPane.getViewport().getSize().width);
}

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From source file:Main.java

public static void main(String[] args) {
    JFrame f = new JFrame();
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    Vector<Vector<String>> rowData = new Vector<Vector<String>>();
    Vector<String> columnName = new Vector<String>(Arrays.asList("Column 1"));
    for (int i = 0; i < 2000; i++) {
        rowData.add(new Vector<String>(Arrays.asList(Integer.toString(i))));
    }//from w  w  w .java2  s  .  c  o  m
    JTable table = new JTable(rowData, columnName);
    JScrollPane scrollPane = new JScrollPane(table);
    JScrollBar vertical = scrollPane.getVerticalScrollBar();
    vertical.setPreferredSize(new Dimension(0, 0));
    f.add(scrollPane);
    f.pack();
    f.setVisible(true);
    JViewport view = scrollPane.getViewport();
    Component[] components = view.getComponents();
    for (int i1 = 0; i1 < components.length; i1++) {
        if (components[i1] instanceof JTable) {
            System.out.println("got");
        }
    }
}

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From source file:Main.java

public static void main(String[] args) {
    JTextArea cmp = new JTextArea();
    String str = "a";
    for (int i = 0; i < 20; i++) {
        cmp.append(str + str + "\n");
    }//w  ww.j a  va2  s .  co  m
    JScrollPane scrollPane = new JScrollPane(cmp);
    scrollPane.setComponentZOrder(scrollPane.getVerticalScrollBar(), 0);
    scrollPane.setComponentZOrder(scrollPane.getViewport(), 1);
    scrollPane.getVerticalScrollBar().setOpaque(false);

    scrollPane.setLayout(new ScrollPaneLayout() {
        @Override
        public void layoutContainer(Container parent) {
            JScrollPane scrollPane = (JScrollPane) parent;

            Rectangle availR = scrollPane.getBounds();
            availR.x = availR.y = 0;

            Insets parentInsets = parent.getInsets();
            availR.x = parentInsets.left;
            availR.y = parentInsets.top;
            availR.width -= parentInsets.left + parentInsets.right;
            availR.height -= parentInsets.top + parentInsets.bottom;

            Rectangle vsbR = new Rectangle();
            vsbR.width = 12;
            vsbR.height = availR.height;
            vsbR.x = availR.x + availR.width - vsbR.width;
            vsbR.y = availR.y;

            if (viewport != null) {
                viewport.setBounds(availR);
            }
            if (vsb != null) {
                vsb.setVisible(true);
                vsb.setBounds(vsbR);
            }
        }
    });
    scrollPane.getVerticalScrollBar().setUI(new MyScrollBarUI());

    JFrame f = new JFrame();
    f.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
    f.getContentPane().add(scrollPane);
    f.setSize(320, 240);
    f.setVisible(true);
}

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From source file:SimpleClient.java

public static void main(String argv[]) {
    boolean usage = false;

    for (int optind = 0; optind < argv.length; optind++) {
        if (argv[optind].equals("-L")) {
            url.addElement(argv[++optind]);
        } else if (argv[optind].startsWith("-")) {
            usage = true;//from   w  w w.j  av  a 2  s. c  o m
            break;
        } else {
            usage = true;
            break;
        }
    }

    if (usage || url.size() == 0) {
        System.out.println("Usage: SimpleClient -L url");
        System.out.println("   where url is protocol://username:password@hostname/");
        System.exit(1);
    }

    try {
        // Set up our Mailcap entries.  This will allow the JAF
        // to locate our viewers.
        File capfile = new File("simple.mailcap");
        if (!capfile.isFile()) {
            System.out.println("Cannot locate the \"simple.mailcap\" file.");
            System.exit(1);
        }

        CommandMap.setDefaultCommandMap(new MailcapCommandMap(new FileInputStream(capfile)));

        JFrame frame = new JFrame("Simple JavaMail Client");
        frame.addWindowListener(new WindowAdapter() {
            public void windowClosing(WindowEvent e) {
                System.exit(0);
            }
        });
        //frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);

        // Get a Store object
        SimpleAuthenticator auth = new SimpleAuthenticator(frame);
        Session session = Session.getDefaultInstance(System.getProperties(), auth);
        //session.setDebug(true);

        DefaultMutableTreeNode root = new DefaultMutableTreeNode("Root");

        // create a node for each store we have
        for (Enumeration e = url.elements(); e.hasMoreElements();) {
            String urlstring = (String) e.nextElement();
            URLName urln = new URLName(urlstring);
            Store store = session.getStore(urln);

            StoreTreeNode storenode = new StoreTreeNode(store);
            root.add(storenode);
        }

        DefaultTreeModel treeModel = new DefaultTreeModel(root);
        JTree tree = new JTree(treeModel);
        tree.addTreeSelectionListener(new TreePress());

        /* Put the Tree in a scroller. */
        JScrollPane sp = new JScrollPane();
        sp.setPreferredSize(new Dimension(250, 300));
        sp.getViewport().add(tree);

        /* Create a double buffered JPanel */
        JPanel sv = new JPanel(new BorderLayout());
        sv.add("Center", sp);

        fv = new FolderViewer(null);

        JSplitPane jsp = new JSplitPane(JSplitPane.HORIZONTAL_SPLIT, sv, fv);
        jsp.setOneTouchExpandable(true);
        mv = new MessageViewer();
        JSplitPane jsp2 = new JSplitPane(JSplitPane.VERTICAL_SPLIT, jsp, mv);
        jsp2.setOneTouchExpandable(true);

        frame.getContentPane().add(jsp2);
        frame.pack();
        frame.show();

    } catch (Exception ex) {
        System.out.println("SimpletClient caught exception");
        ex.printStackTrace();
        System.exit(1);
    }
}

---

From source file:Main.java

public static void main(String args[]) {
    JFrame frame = new JFrame("Tabbed Pane Sample");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    JLabel label = new JLabel("Label");
    label.setPreferredSize(new Dimension(1000, 1000));
    JScrollPane jScrollPane = new JScrollPane(label);

    JButton jButton1 = new JButton();

    jScrollPane.setHorizontalScrollBarPolicy(JScrollPane.HORIZONTAL_SCROLLBAR_ALWAYS);
    jScrollPane.setVerticalScrollBarPolicy(JScrollPane.VERTICAL_SCROLLBAR_ALWAYS);
    jScrollPane.setViewportBorder(new LineBorder(Color.RED));
    jScrollPane.getViewport().add(jButton1, null);

    frame.add(jScrollPane, BorderLayout.CENTER);
    frame.setSize(400, 150);/*from   w  w w  .  j  a  va2s .  co  m*/
    frame.setVisible(true);
}

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From source file:Main.java

public static void main(String[] args) {
    JPanel gui = new JPanel(new BorderLayout());
    String HTML = "<html>" + "<head>" + "<style type=text/css>" + "body {"
            + "  background-image: http://www.java2s.com/style/download.png;" + "  background-repeat:no-repeat;"
            + "  background-position:left top;" + "  background-attachment: scroll;" + "  color: #BBBBBB;" + "}"
            + "</style>" + "</head>" + "<body>" + "<h1>Heading 1</h1>";
    String PARAGRAPH = "Lorem ipsum dolor sit amet, consectetur adipiscing elit. Aenean eu nulla urna. Donec sit amet risus nisl, a porta enim. Quisque luctus, ligula eu scelerisque gravida, tellus quam vestibulum urna, ut aliquet sapien purus sed erat. Pellentesque consequat vehicula magna, eu aliquam magna interdum porttitor. Class aptent taciti sociosqu ad litora torquent per conubia nostra, per inceptos himenaeos. Sed sollicitudin sapien non leo tempus lobortis. Morbi semper auctor ipsum, a semper quam elementum a. Aliquam eget sem metus.";

    gui.setPreferredSize(new Dimension(400, 100));

    StringBuilder sb = new StringBuilder();
    sb.append(HTML);// ww  w.j  av a  2  s  . c  o m
    for (int ii = 0; ii < 10; ii++) {
        sb.append("<h2>Header 2</h2>");
        sb.append(PARAGRAPH);
    }
    JEditorPane jep = new JEditorPane();
    jep.setOpaque(false);
    jep.setContentType("text/html");
    jep.setText(sb.toString());
    JScrollPane jsp = new JScrollPane(jep) {
        BufferedImage bg = new BufferedImage(350, 50, BufferedImage.TYPE_INT_RGB);

        @Override
        public void paintComponent(Graphics g) {
            super.paintComponent(g);
            g.drawImage(bg, 0, 0, this);
        }
    };
    jsp.getViewport().setOpaque(false);
    gui.add(jsp);

    Main bih = new Main();
    JFrame f = new JFrame();
    f.add(gui);
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    f.pack();
    f.setVisible(true);
}

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