Example usage for java.awt GridBagConstraints WEST

List of usage examples for java.awt GridBagConstraints WEST

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Introduction

In this page you can find the example usage for java.awt GridBagConstraints WEST.

Prototype

int WEST

To view the source code for java.awt GridBagConstraints WEST.

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Document

Put the component on the left side of its display area, centered vertically.

Usage

From source file:pcgen.gui2.prefs.LookAndFeelPanel.java

/**
 * Instantiates a new look and feel panel.
 *///ww w . j av a2s  . c om
public LookAndFeelPanel(Dialog parent) {

    JLabel label;
    ButtonGroup exclusiveGroup;
    Border etched = null;
    TitledBorder title1 = BorderFactory.createTitledBorder(etched, IN_LOOK_AND_FEEL);

    title1.setTitleJustification(TitledBorder.LEFT);
    this.setBorder(title1);
    GridBagLayout gridbag = new GridBagLayout();
    this.setLayout(gridbag);
    GridBagConstraints c = new GridBagConstraints();
    c.fill = GridBagConstraints.HORIZONTAL;
    c.anchor = GridBagConstraints.WEST;
    c.insets = new Insets(2, 2, 2, 2);

    exclusiveGroup = new ButtonGroup();
    Action[] actions = LookAndFeelManager.getActions();
    laf = new JRadioButton[actions.length - 1];

    for (int i = 0; i < laf.length; ++i) {
        laf[i] = new JRadioButton(actions[i]);

        int whichChar = (laf[i].getText().charAt(0) == 'C') ? 1 : 0;
        laf[i].setMnemonic(laf[i].getText().charAt(whichChar));

        Utility.buildConstraints(c, 0, i, 3, 1, 0, 0);
        gridbag.setConstraints(laf[i], c);
        this.add(laf[i]);
        exclusiveGroup.add(laf[i]);
    }

    skinnedLookFeel.addActionListener(actions[actions.length - 1]);
    skinnedLookFeel.setText(IN_SKINNED_LAF + ": ");
    skinnedLookFeel.setToolTipText(LanguageBundle.getString("in_Prefs_skinnedLAFTooltip"));
    skinnedLookFeel.setMnemonic(LanguageBundle.getMnemonic("in_mn_Prefs_skinnedLAF"));
    Utility.buildConstraints(c, 0, laf.length, 3, 1, 0, 0);
    gridbag.setConstraints(skinnedLookFeel, c);
    this.add(skinnedLookFeel);
    exclusiveGroup.add(skinnedLookFeel);

    Utility.buildConstraints(c, 3, laf.length, 1, 1, 1, 0);
    themepackLabel = new JTextField(LookAndFeelManager.getCurrentThemePack());
    themepackLabel.setEditable(false);
    gridbag.setConstraints(themepackLabel, c);
    this.add(themepackLabel);
    Utility.buildConstraints(c, 4, laf.length, 1, 1, 0, 0);
    themepack = new JButton(IN_CHOOSE);
    themepack.setToolTipText(LanguageBundle.getString("in_Prefs_chooseSkinTooltip"));
    gridbag.setConstraints(themepack, c);
    this.add(themepack);
    themepack.addActionListener(prefsButtonHandler);

    Utility.buildConstraints(c, 0, laf.length + 1, 5, 1, 0, 0);
    label = new JLabel("");
    gridbag.setConstraints(label, c);
    this.add(label);

    Utility.buildConstraints(c, 0, laf.length + 2, 5, 1, 0, 0);
    label = new JLabel(LanguageBundle.getString("in_Prefs_restartInfo"));
    gridbag.setConstraints(label, c);
    this.add(label);

    Utility.buildConstraints(c, 0, 20, 5, 1, 1, 1);
    c.fill = GridBagConstraints.BOTH;
    label = new JLabel(" ");
    gridbag.setConstraints(label, c);
    this.add(label);
}

From source file:width.java

 public void init() {
     GridBagLayout gridBag = new GridBagLayout();
     GridBagConstraints c = new GridBagConstraints();

     setLayout(gridBag);/* www  . j  a  v  a  2s  .com*/

     Label receiverLabel = new Label("Receiver name:", 
                                     Label.RIGHT);
     gridBag.setConstraints(receiverLabel, c);
     add(receiverLabel);

     nameField = new TextField(getParameter("RECEIVERNAME"),
                                            10);
     c.fill = GridBagConstraints.HORIZONTAL;
     gridBag.setConstraints(nameField, c);
     add(nameField);
     nameField.addActionListener(this);

     Button button = new Button("Send message");
     c.gridwidth = GridBagConstraints.REMAINDER; //end row
     c.anchor = GridBagConstraints.WEST; //stick to the 
                                         //text field
     c.fill = GridBagConstraints.NONE; //keep the button 
                                       //small
     gridBag.setConstraints(button, c);
     add(button);
     button.addActionListener(this);

     status = new TextArea(5, 60);
     status.setEditable(false);
     c.anchor = GridBagConstraints.CENTER; //reset to the default
     c.fill = GridBagConstraints.BOTH; //make this big
     c.weightx = 1.0;
     c.weighty = 1.0;
     gridBag.setConstraints(status, c);
     add(status);

     myName = getParameter("NAME");
     Label senderLabel = new Label("(My name is " + myName + ".)",
                                   Label.CENTER);
     c.weightx = 0.0;
     c.weighty = 0.0;
     gridBag.setConstraints(senderLabel, c);
     add(senderLabel);

newline = System.getProperty("line.separator");
 }

From source file:cool.pandora.modeller.ui.jpanel.base.NewBagInPlaceFrame.java

/**
 * layoutSpacer.//from w w w . ja  v a  2 s .  c  o m
 *
 * @param contentPanel JPanel
 * @param row          int
 */
private static void layoutSpacer(final JPanel contentPanel, final int row) {
    GridBagConstraints glbc = new GridBagConstraints();
    glbc = LayoutUtil.buildGridBagConstraints(0, row, 1, 1, 1, 50, GridBagConstraints.NONE,
            GridBagConstraints.WEST);
    final JLabel spacerLabel = new JLabel("");
    contentPanel.add(spacerLabel, glbc);
}

From source file:SimpleAuthenticator.java

protected PasswordAuthentication getPasswordAuthentication() {

    // given a prompt?
    String prompt = getRequestingPrompt();
    if (prompt == null)
        prompt = "Please login...";

    // protocol/*from   w  w w  .  j  av  a  2 s  .  c o m*/
    String protocol = getRequestingProtocol();
    if (protocol == null)
        protocol = "Unknown protocol";

    // get the host
    String host = null;
    InetAddress inet = getRequestingSite();
    if (inet != null)
        host = inet.getHostName();
    if (host == null)
        host = "Unknown host";

    // port
    String port = "";
    int portnum = getRequestingPort();
    if (portnum != -1)
        port = ", port " + portnum + " ";

    // Build the info string
    String info = "Connecting to " + protocol + " mail service on host " + host + port;

    //JPanel d = new JPanel();
    // XXX - for some reason using a JPanel here causes JOptionPane
    // to display incorrectly, so we workaround the problem using
    // an anonymous JComponent.
    JComponent d = new JComponent() {
    };

    GridBagLayout gb = new GridBagLayout();
    GridBagConstraints c = new GridBagConstraints();
    d.setLayout(gb);
    c.insets = new Insets(2, 2, 2, 2);

    c.anchor = GridBagConstraints.WEST;
    c.gridwidth = GridBagConstraints.REMAINDER;
    c.weightx = 0.0;
    d.add(constrain(new JLabel(info), gb, c));
    d.add(constrain(new JLabel(prompt), gb, c));

    c.gridwidth = 1;
    c.anchor = GridBagConstraints.EAST;
    c.fill = GridBagConstraints.NONE;
    c.weightx = 0.0;
    d.add(constrain(new JLabel("Username:"), gb, c));

    c.anchor = GridBagConstraints.EAST;
    c.fill = GridBagConstraints.HORIZONTAL;
    c.gridwidth = GridBagConstraints.REMAINDER;
    c.weightx = 1.0;
    String user = getDefaultUserName();
    JTextField username = new JTextField(user, 20);
    d.add(constrain(username, gb, c));

    c.gridwidth = 1;
    c.fill = GridBagConstraints.NONE;
    c.anchor = GridBagConstraints.EAST;
    c.weightx = 0.0;
    d.add(constrain(new JLabel("Password:"), gb, c));

    c.anchor = GridBagConstraints.EAST;
    c.fill = GridBagConstraints.HORIZONTAL;
    c.gridwidth = GridBagConstraints.REMAINDER;
    c.weightx = 1.0;
    JPasswordField password = new JPasswordField("", 20);
    d.add(constrain(password, gb, c));
    // XXX - following doesn't work
    if (user != null && user.length() > 0)
        password.requestFocus();
    else
        username.requestFocus();

    int result = JOptionPane.showConfirmDialog(frame, d, "Login", JOptionPane.OK_CANCEL_OPTION,
            JOptionPane.QUESTION_MESSAGE);

    if (result == JOptionPane.OK_OPTION)
        return new PasswordAuthentication(username.getText(), password.getText());
    else
        return null;
}

From source file:Demo.ScatterGraph.java

public ScatterGraph(int sampleNb, List<String> paraType_list) {
    this.sampleNb = sampleNb;
    this.paraType_list = paraType_list;

    // widgets: charts(JFreeChart), parameter selectors (JList)
    DefaultListModel xModel = new DefaultListModel();
    xSelector = new JList(xModel);
    JScrollPane xSelPane = new JScrollPane();
    xSelPane.setViewportView(xSelector);

    DefaultListModel yModel = new DefaultListModel();
    ySelector = new JList(yModel);
    JScrollPane ySelPane = new JScrollPane();
    ySelPane.setViewportView(ySelector);

    charts = new JFreeChart[paraType_list.size()][paraType_list.size()];
    for (int i = 0; i < paraType_list.size(); i++) {
        String para = paraType_list.get(i);
        xModel.addElement(para);/*ww w  .j  a  v  a  2 s .co m*/
        yModel.addElement(para);

        for (int j = 0; j < paraType_list.size(); j++) {
            charts[i][j] = null;
        }
    }

    charts[0][0] = CreateChart(0, 0);
    chartPane = new ChartPanel(charts[0][0]);

    xSelector.setSelectedIndex(0);
    ySelector.setSelectedIndex(0);

    xSelector.addMouseListener(this);
    ySelector.addMouseListener(this);

    // layout
    GridBagLayout layout = new GridBagLayout();
    setLayout(layout);

    GridBagConstraints gbc = new GridBagConstraints();
    gbc.anchor = GridBagConstraints.WEST;
    gbc.fill = GridBagConstraints.BOTH;

    gbc.insets = new Insets(5, 20, 5, 5);
    gbc.gridx = 0;
    gbc.gridy = 0;
    gbc.weightx = 20;
    gbc.weighty = 12;
    gbc.gridheight = 4;
    add(chartPane, gbc);

    gbc.insets = new Insets(5, 5, 5, 20);
    gbc.gridx = 1;
    gbc.weightx = 1;
    gbc.gridheight = 1;

    gbc.gridy = 0;
    gbc.weighty = 1;
    add(new JLabel("X :"), gbc);
    gbc.gridy = 2;
    add(new JLabel("Y :"), gbc);

    gbc.gridy = 1;
    gbc.weighty = 5;
    add(xSelPane, gbc);
    gbc.gridy = 3;
    add(ySelPane, gbc);
}

From source file:EditorPaneExample11.java

public EditorPaneExample11() {
    super("JEditorPane Example 11");

    pane = new JEditorPane();
    pane.setEditable(false); // Read-only
    getContentPane().add(new JScrollPane(pane), "Center");

    // Build the panel of controls
    JPanel panel = new JPanel();

    panel.setLayout(new GridBagLayout());
    GridBagConstraints c = new GridBagConstraints();
    c.gridwidth = 1;//from  w w  w. j a va 2  s. c o m
    c.gridheight = 1;
    c.anchor = GridBagConstraints.EAST;
    c.fill = GridBagConstraints.NONE;
    c.weightx = 0.0;
    c.weighty = 0.0;

    JLabel urlLabel = new JLabel("URL: ", JLabel.RIGHT);
    panel.add(urlLabel, c);
    JLabel loadingLabel = new JLabel("State: ", JLabel.RIGHT);
    c.gridy = 1;
    panel.add(loadingLabel, c);
    JLabel typeLabel = new JLabel("Type: ", JLabel.RIGHT);
    c.gridy = 2;
    panel.add(typeLabel, c);
    c.gridy = 3;
    panel.add(new JLabel(LOAD_TIME), c);

    c.gridy = 4;
    c.gridwidth = 2;
    c.weightx = 1.0;
    c.anchor = GridBagConstraints.WEST;
    onlineLoad = new JCheckBox("Online Load");
    panel.add(onlineLoad, c);
    onlineLoad.setSelected(true);
    onlineLoad.setForeground(typeLabel.getForeground());

    c.gridx = 1;
    c.gridy = 0;
    c.anchor = GridBagConstraints.EAST;
    c.fill = GridBagConstraints.HORIZONTAL;

    urlCombo = new JComboBox();
    panel.add(urlCombo, c);
    urlCombo.setEditable(true);
    loadingState = new JLabel(spaces, JLabel.LEFT);
    loadingState.setForeground(Color.black);
    c.gridy = 1;
    panel.add(loadingState, c);
    loadedType = new JLabel(spaces, JLabel.LEFT);
    loadedType.setForeground(Color.black);
    c.gridy = 2;
    panel.add(loadedType, c);
    timeLabel = new JLabel("");
    c.gridy = 3;
    panel.add(timeLabel, c);

    getContentPane().add(panel, "South");

    // Allocate the empty tree model
    DefaultMutableTreeNode emptyRootNode = new DefaultMutableTreeNode("Empty");
    emptyModel = new DefaultTreeModel(emptyRootNode);

    // Create and place the heading tree
    tree = new JTree(emptyModel);
    tree.setPreferredSize(new Dimension(200, 200));
    getContentPane().add(new JScrollPane(tree), "East");

    // Change page based on combo selection
    urlCombo.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent evt) {
            if (populatingCombo == true) {
                return;
            }
            Object selection = urlCombo.getSelectedItem();
            try {
                // Check if the new page and the old
                // page are the same.
                URL url;
                if (selection instanceof URL) {
                    url = (URL) selection;
                } else {
                    url = new URL((String) selection);
                }

                URL loadedURL = pane.getPage();
                if (loadedURL != null && loadedURL.sameFile(url)) {
                    return;
                }

                // Try to display the page
                urlCombo.setEnabled(false); // Disable input
                urlCombo.paintImmediately(0, 0, urlCombo.getSize().width, urlCombo.getSize().height);
                setCursor(Cursor.getPredefinedCursor(Cursor.WAIT_CURSOR));
                // Busy cursor
                loadingState.setText("Loading...");
                loadingState.paintImmediately(0, 0, loadingState.getSize().width,
                        loadingState.getSize().height);
                loadedType.setText("");
                loadedType.paintImmediately(0, 0, loadedType.getSize().width, loadedType.getSize().height);

                timeLabel.setText("");
                timeLabel.paintImmediately(0, 0, timeLabel.getSize().width, timeLabel.getSize().height);

                // Display an empty tree while loading
                tree.setModel(emptyModel);
                tree.paintImmediately(0, 0, tree.getSize().width, tree.getSize().height);

                startTime = System.currentTimeMillis();

                // Choose the loading method
                if (onlineLoad.isSelected()) {
                    // Usual load via setPage
                    pane.setPage(url);
                    loadedType.setText(pane.getContentType());
                } else {
                    pane.setContentType("text/html");
                    loadedType.setText(pane.getContentType());
                    if (loader == null) {
                        loader = new HTMLDocumentLoader();
                    }
                    HTMLDocument doc = loader.loadDocument(url);
                    loadComplete();
                    pane.setDocument(doc);
                    displayLoadTime();
                    populateCombo(findLinks(doc, null));
                    TreeNode node = buildHeadingTree(doc);
                    tree.setModel(new DefaultTreeModel(node));
                    enableInput();
                }
            } catch (Exception e) {
                System.out.println(e);
                JOptionPane.showMessageDialog(pane,
                        new String[] { "Unable to open file", selection.toString() }, "File Open Error",
                        JOptionPane.ERROR_MESSAGE);
                loadingState.setText("Failed");
                enableInput();
            }
        }
    });

    // Listen for page load to complete
    pane.addPropertyChangeListener(new PropertyChangeListener() {
        public void propertyChange(PropertyChangeEvent evt) {
            if (evt.getPropertyName().equals("page")) {
                loadComplete();
                displayLoadTime();
                populateCombo(findLinks(pane.getDocument(), null));
                TreeNode node = buildHeadingTree(pane.getDocument());
                tree.setModel(new DefaultTreeModel(node));
                enableInput();
            }
        }
    });

    // Listener for tree selection
    tree.addTreeSelectionListener(new TreeSelectionListener() {
        public void valueChanged(TreeSelectionEvent evt) {
            TreePath path = evt.getNewLeadSelectionPath();
            if (path != null) {
                DefaultMutableTreeNode node = (DefaultMutableTreeNode) path.getLastPathComponent();
                Object userObject = node.getUserObject();
                if (userObject instanceof Heading) {
                    Heading heading = (Heading) userObject;
                    try {
                        Rectangle textRect = pane.modelToView(heading.getOffset());
                        textRect.y += 3 * textRect.height;
                        pane.scrollRectToVisible(textRect);
                    } catch (BadLocationException e) {
                    }
                }
            }
        }
    });
}

From source file:de.codesourcery.jasm16.ide.ui.views.EmulationOptionsView.java

public EmulationOptionsView() {
    emulatorPanel.setLayout(new GridBagLayout());

    GridBagConstraints cnstrs = constraints(0, 0, false, false, GridBagConstraints.NONE);
    emulatorPanel.add(new JLabel("Emulation speed"), cnstrs);

    cnstrs = constraints(1, 0, true, true, GridBagConstraints.NONE);
    cnstrs.anchor = GridBagConstraints.WEST;
    emulatorPanel.setBorder(BorderFactory.createTitledBorder("General options"));

    speedBox.setRenderer(new DefaultListCellRenderer() {

        public Component getListCellRendererComponent(javax.swing.JList<?> list, Object value, int index,
                boolean isSelected, boolean cellHasFocus) {
            final java.awt.Component result = super.getListCellRendererComponent(list, value, index, isSelected,
                    cellHasFocus);/*from w  w  w  .j ava  2  s . c o m*/

            if (value != null) {
                switch ((EmulationSpeed) value) {
                case MAX_SPEED:
                    setText("Max.");
                    break;
                case REAL_SPEED:
                    setText("100 kHz");
                    break;
                default:
                    setText(value.toString());
                    break;
                }
            }
            return result;
        };
    });

    emulatorPanel.add(speedBox, cnstrs);

    // disk drive panel
    selectedFileField.setColumns(25);

    diskDrivePanel.setLayout(new GridBagLayout());
    cnstrs = constraints(0, 0, false, true, GridBagConstraints.NONE);
    cnstrs.anchor = GridBagConstraints.CENTER;

    diskDrivePanel.setBorder(BorderFactory.createTitledBorder("Disk drive"));
    diskDrivePanel.add(selectedFileField, cnstrs);

    cnstrs = constraints(1, 0, false, true, GridBagConstraints.NONE);
    cnstrs.anchor = GridBagConstraints.CENTER;
    diskDrivePanel.add(fileChooserButton, cnstrs);

    fileChooserButton.addActionListener(new ActionListener() {

        @Override
        public void actionPerformed(ActionEvent e) {
            final JFileChooser chooser;
            if (getSelectedFile() != null) {
                chooser = new JFileChooser(getSelectedFile().getParentFile());
            } else {
                chooser = new JFileChooser();
            }
            final int result = chooser.showOpenDialog(null);
            if (result == JFileChooser.APPROVE_OPTION && chooser.getSelectedFile().isFile()) {
                selectedFileField.setText(chooser.getSelectedFile().getAbsolutePath());
            }
        }
    });

    cnstrs = constraints(2, 0, false, true, GridBagConstraints.NONE);
    cnstrs.anchor = GridBagConstraints.CENTER;
    diskDrivePanel.add(writeProtected, cnstrs);
}

From source file:org.zaproxy.zap.view.MainToolbarPanel.java

public void initialise() {
    setLayout(new java.awt.GridBagLayout());
    setPreferredSize(DisplayUtils.getScaledDimension(getMaximumSize().width, 25));
    setMaximumSize(DisplayUtils.getScaledDimension(getMaximumSize().width, 25));
    this.setBorder(BorderFactory.createEtchedBorder());

    expandButtons = new ButtonGroup();

    GridBagConstraints gridBagConstraints1 = new GridBagConstraints();
    GridBagConstraints gridBagConstraints2 = new GridBagConstraints();

    gridBagConstraints1.gridx = 0;/* w w w.  j  av a 2  s  .  c  o  m*/
    gridBagConstraints1.gridy = 0;
    gridBagConstraints1.anchor = java.awt.GridBagConstraints.WEST;

    gridBagConstraints2.gridx = 1;
    gridBagConstraints2.gridy = 0;
    gridBagConstraints2.weightx = 1.0;
    gridBagConstraints2.weighty = 1.0;
    gridBagConstraints2.anchor = java.awt.GridBagConstraints.EAST;
    gridBagConstraints2.fill = java.awt.GridBagConstraints.HORIZONTAL;

    JToolBar t1 = new JToolBar();
    t1.setEnabled(true);
    t1.setPreferredSize(new java.awt.Dimension(80000, 25));
    t1.setMaximumSize(new java.awt.Dimension(80000, 25));

    add(getToolbar(), gridBagConstraints1);
    add(t1, gridBagConstraints2);

    toolbar.add(getModeSelect());
    toolbar.add(getBtnNew());
    toolbar.add(getBtnOpen());
    toolbar.add(getBtnSave());
    toolbar.add(getBtnSnapshot());
    toolbar.add(getBtnSession());
    toolbar.add(getBtnOptions());

    toolbar.addSeparator();
    toolbar.add(getShowAllTabs());
    toolbar.add(getHideAllTabs());
    toolbar.add(getShowTabIconNames());
    toolbar.addSeparator();

    toolbar.add(getBtnExpandSites());
    toolbar.add(getBtnExpandReports());
    toolbar.add(getBtnExpandFull());

    toolbar.addSeparator();
}

From source file:EditorPaneExample12.java

public EditorPaneExample12() {
    super("JEditorPane Example 12");

    pane = new JEditorPane();
    pane.setEditable(false); // Read-only
    getContentPane().add(new JScrollPane(pane), "Center");

    // Build the panel of controls
    JPanel panel = new JPanel();

    panel.setLayout(new GridBagLayout());
    GridBagConstraints c = new GridBagConstraints();
    c.gridwidth = 1;//from   w w  w .  j  av a2s .  c  o  m
    c.gridheight = 1;
    c.anchor = GridBagConstraints.EAST;
    c.fill = GridBagConstraints.NONE;
    c.weightx = 0.0;
    c.weighty = 0.0;

    JLabel urlLabel = new JLabel("URL: ", JLabel.RIGHT);
    panel.add(urlLabel, c);
    JLabel loadingLabel = new JLabel("State: ", JLabel.RIGHT);
    c.gridy = 1;
    panel.add(loadingLabel, c);
    JLabel typeLabel = new JLabel("Type: ", JLabel.RIGHT);
    c.gridy = 2;
    panel.add(typeLabel, c);
    c.gridy = 3;
    panel.add(new JLabel(LOAD_TIME), c);

    c.gridy = 4;
    c.gridwidth = 2;
    c.weightx = 1.0;
    c.anchor = GridBagConstraints.WEST;
    onlineLoad = new JCheckBox("Online Load");
    panel.add(onlineLoad, c);
    onlineLoad.setSelected(true);
    onlineLoad.setForeground(typeLabel.getForeground());

    c.gridx = 1;
    c.gridy = 0;
    c.anchor = GridBagConstraints.EAST;
    c.fill = GridBagConstraints.HORIZONTAL;

    urlCombo = new JComboBox();
    panel.add(urlCombo, c);
    urlCombo.setEditable(true);
    loadingState = new JLabel(spaces, JLabel.LEFT);
    loadingState.setForeground(Color.black);
    c.gridy = 1;
    panel.add(loadingState, c);
    loadedType = new JLabel(spaces, JLabel.LEFT);
    loadedType.setForeground(Color.black);
    c.gridy = 2;
    panel.add(loadedType, c);
    timeLabel = new JLabel("");
    c.gridy = 3;
    panel.add(timeLabel, c);

    getContentPane().add(panel, "South");

    // Allocate the empty tree model
    DefaultMutableTreeNode emptyRootNode = new DefaultMutableTreeNode("Empty");
    emptyModel = new DefaultTreeModel(emptyRootNode);

    // Create and place the heading tree
    tree = new JTree(emptyModel);
    tree.setPreferredSize(new Dimension(200, 200));
    getContentPane().add(new JScrollPane(tree), "East");

    // Change page based on combo selection
    urlCombo.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent evt) {
            if (populatingCombo == true) {
                return;
            }
            Object selection = urlCombo.getSelectedItem();
            loadNewPage(selection);
        }
    });

    // Listen for page load to complete
    pane.addPropertyChangeListener(new PropertyChangeListener() {
        public void propertyChange(PropertyChangeEvent evt) {
            if (evt.getPropertyName().equals("page")) {
                loadComplete();
                displayLoadTime();
                populateCombo(findLinks(pane.getDocument(), null));
                TreeNode node = buildHeadingTree(pane.getDocument());
                tree.setModel(new DefaultTreeModel(node));
                enableInput();
                loadingPage = false;
            }
        }
    });

    // Listener for tree selection
    tree.addTreeSelectionListener(new TreeSelectionListener() {
        public void valueChanged(TreeSelectionEvent evt) {
            TreePath path = evt.getNewLeadSelectionPath();
            if (path != null) {
                DefaultMutableTreeNode node = (DefaultMutableTreeNode) path.getLastPathComponent();
                Object userObject = node.getUserObject();
                if (userObject instanceof Heading) {
                    Heading heading = (Heading) userObject;
                    try {
                        Rectangle textRect = pane.modelToView(heading.getOffset());
                        textRect.y += 3 * textRect.height;
                        pane.scrollRectToVisible(textRect);
                    } catch (BadLocationException e) {
                    }
                }
            }
        }
    });

    // Listener for hypertext events
    pane.addHyperlinkListener(new HyperlinkListener() {
        public void hyperlinkUpdate(HyperlinkEvent evt) {
            // Ignore hyperlink events if the frame is busy
            if (loadingPage == true) {
                return;
            }
            if (evt.getEventType() == HyperlinkEvent.EventType.ACTIVATED) {
                JEditorPane sp = (JEditorPane) evt.getSource();
                if (evt instanceof HTMLFrameHyperlinkEvent) {
                    HTMLDocument doc = (HTMLDocument) sp.getDocument();
                    doc.processHTMLFrameHyperlinkEvent((HTMLFrameHyperlinkEvent) evt);
                } else {
                    loadNewPage(evt.getURL());
                }
            } else if (evt.getEventType() == HyperlinkEvent.EventType.ENTERED) {
                pane.setCursor(handCursor);
            } else if (evt.getEventType() == HyperlinkEvent.EventType.EXITED) {
                pane.setCursor(defaultCursor);
            }
        }
    });
}

From source file:EditorPaneExample16.java

public EditorPaneExample16() {
    super("JEditorPane Example 16");

    pane = new JEditorPane();
    pane.setEditable(true); // Editable
    getContentPane().add(new JScrollPane(pane), "Center");

    // Build the panel of controls
    JPanel panel = new JPanel();

    panel.setLayout(new GridBagLayout());
    GridBagConstraints c = new GridBagConstraints();
    c.gridwidth = 1;/*w w w .  j a va 2s  .  c  om*/
    c.gridheight = 1;
    c.anchor = GridBagConstraints.EAST;
    c.fill = GridBagConstraints.NONE;
    c.weightx = 0.0;
    c.weighty = 0.0;

    JLabel urlLabel = new JLabel("URL: ", JLabel.RIGHT);
    panel.add(urlLabel, c);
    JLabel loadingLabel = new JLabel("State: ", JLabel.RIGHT);
    c.gridy = 1;
    panel.add(loadingLabel, c);
    JLabel typeLabel = new JLabel("Type: ", JLabel.RIGHT);
    c.gridy = 2;
    panel.add(typeLabel, c);
    c.gridy = 3;
    panel.add(new JLabel(LOAD_TIME), c);

    c.gridy = 4;
    c.gridwidth = 2;
    c.weightx = 1.0;
    c.anchor = GridBagConstraints.WEST;
    onlineLoad = new JCheckBox("Online Load");
    panel.add(onlineLoad, c);
    onlineLoad.setSelected(true);
    onlineLoad.setForeground(typeLabel.getForeground());

    c.gridy = 5;
    c.gridwidth = 2;
    c.weightx = 1.0;
    c.anchor = GridBagConstraints.WEST;
    editableBox = new JCheckBox("Editable JEditorPane");
    panel.add(editableBox, c);
    editableBox.setSelected(true);
    editableBox.setForeground(typeLabel.getForeground());

    c.gridx = 1;
    c.gridy = 0;
    c.anchor = GridBagConstraints.EAST;
    c.fill = GridBagConstraints.HORIZONTAL;

    urlCombo = new JComboBox();
    panel.add(urlCombo, c);
    urlCombo.setEditable(true);
    loadingState = new JLabel(spaces, JLabel.LEFT);
    loadingState.setForeground(Color.black);
    c.gridy = 1;
    panel.add(loadingState, c);
    loadedType = new JLabel(spaces, JLabel.LEFT);
    loadedType.setForeground(Color.black);
    c.gridy = 2;
    panel.add(loadedType, c);
    timeLabel = new JLabel("");
    c.gridy = 3;
    panel.add(timeLabel, c);

    getContentPane().add(panel, "South");

    // Allocate the empty tree model
    DefaultMutableTreeNode emptyRootNode = new DefaultMutableTreeNode("Empty");
    emptyModel = new DefaultTreeModel(emptyRootNode);

    // Create and place the heading tree
    tree = new JTree(emptyModel);
    tree.setPreferredSize(new Dimension(200, 200));
    getContentPane().add(new JScrollPane(tree), "East");

    // Change page based on combo selection
    urlCombo.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent evt) {
            if (populatingCombo == true) {
                return;
            }
            Object selection = urlCombo.getSelectedItem();
            loadNewPage(selection);
        }
    });

    // Change editability based on the checkbox
    editableBox.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent evt) {
            pane.setEditable(editableBox.isSelected());
            pane.revalidate();
            pane.repaint();
        }
    });

    // Listen for page load to complete
    pane.addPropertyChangeListener(new PropertyChangeListener() {
        public void propertyChange(PropertyChangeEvent evt) {
            if (evt.getPropertyName().equals("page")) {
                loadComplete();
                displayLoadTime();
                populateCombo(findLinks(pane.getDocument(), null));
                TreeNode node = buildHeadingTree(pane.getDocument());
                tree.setModel(new DefaultTreeModel(node));
                enableInput();
                loadingPage = false;
            }
        }
    });

    // Listener for tree selection
    tree.addTreeSelectionListener(new TreeSelectionListener() {
        public void valueChanged(TreeSelectionEvent evt) {
            TreePath path = evt.getNewLeadSelectionPath();
            if (path != null) {
                DefaultMutableTreeNode node = (DefaultMutableTreeNode) path.getLastPathComponent();
                Object userObject = node.getUserObject();
                if (userObject instanceof Heading) {
                    Heading heading = (Heading) userObject;
                    try {
                        Rectangle textRect = pane.modelToView(heading.getOffset());
                        textRect.y += 3 * textRect.height;
                        pane.scrollRectToVisible(textRect);
                    } catch (BadLocationException e) {
                    }
                }
            }
        }
    });

    // Listener for hypertext events
    pane.addHyperlinkListener(new HyperlinkListener() {
        public void hyperlinkUpdate(HyperlinkEvent evt) {
            // Ignore hyperlink events if the frame is busy
            if (loadingPage == true) {
                return;
            }
            if (evt.getEventType() == HyperlinkEvent.EventType.ACTIVATED) {
                JEditorPane sp = (JEditorPane) evt.getSource();
                if (evt instanceof HTMLFrameHyperlinkEvent) {
                    HTMLDocument doc = (HTMLDocument) sp.getDocument();
                    doc.processHTMLFrameHyperlinkEvent((HTMLFrameHyperlinkEvent) evt);
                } else {
                    loadNewPage(evt.getURL());
                }
            } else if (evt.getEventType() == HyperlinkEvent.EventType.ENTERED) {
                pane.setCursor(handCursor);
            } else if (evt.getEventType() == HyperlinkEvent.EventType.EXITED) {
                pane.setCursor(defaultCursor);
            }
        }
    });
}