Example usage for java.awt GridBagConstraints EAST

List of usage examples for java.awt GridBagConstraints EAST

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Introduction

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

Prototype

int EAST

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

Click Source Link

Document

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

Usage

From source file:TextAcceleratorExample.java

public static void main(String[] args) {
    try {//from  w  w  w .jav  a 2 s  . co m
        UIManager.setLookAndFeel("com.sun.java.swing.plaf.windows.WindowsLookAndFeel");
    } catch (Exception evt) {
    }

    JLabel l;
    JTextField t;
    JButton b;
    JFrame f = new JFrame("Text Accelerator Example");
    Container cp = f.getContentPane();
    cp.setLayout(new GridBagLayout());
    cp.setBackground(UIManager.getColor("control"));
    GridBagConstraints c = new GridBagConstraints();

    c.gridx = 0;
    c.gridy = GridBagConstraints.RELATIVE;
    c.gridwidth = 1;
    c.gridheight = 1;
    c.insets = new Insets(2, 2, 2, 2);
    c.anchor = GridBagConstraints.EAST;

    cp.add(l = new JLabel("Name:", SwingConstants.RIGHT), c);
    l.setDisplayedMnemonic('n');
    cp.add(l = new JLabel("House/Street:", SwingConstants.RIGHT), c);
    l.setDisplayedMnemonic('h');
    cp.add(l = new JLabel("City:", SwingConstants.RIGHT), c);
    l.setDisplayedMnemonic('c');
    cp.add(l = new JLabel("State/County:", SwingConstants.RIGHT), c);
    l.setDisplayedMnemonic('s');
    cp.add(l = new JLabel("Zip/Post code:", SwingConstants.RIGHT), c);
    l.setDisplayedMnemonic('z');
    cp.add(l = new JLabel("Telephone:", SwingConstants.RIGHT), c);
    l.setDisplayedMnemonic('t');
    cp.add(b = new JButton("Clear"), c);
    b.setMnemonic('l');

    c.gridx = 1;
    c.gridy = 0;
    c.weightx = 1.0;
    c.fill = GridBagConstraints.HORIZONTAL;
    c.anchor = GridBagConstraints.CENTER;

    cp.add(t = new JTextField(35), c);
    t.setFocusAccelerator('n');
    c.gridx = 1;
    c.gridy = GridBagConstraints.RELATIVE;
    cp.add(t = new JTextField(35), c);
    t.setFocusAccelerator('h');
    cp.add(t = new JTextField(35), c);
    t.setFocusAccelerator('c');
    cp.add(t = new JTextField(35), c);
    t.setFocusAccelerator('s');
    cp.add(t = new JTextField(35), c);
    t.setFocusAccelerator('z');
    cp.add(t = new JTextField(35), c);
    t.setFocusAccelerator('t');
    c.weightx = 0.0;
    c.fill = GridBagConstraints.NONE;
    cp.add(b = new JButton("OK"), c);
    b.setMnemonic('o');

    f.pack();
    f.addWindowListener(new WindowAdapter() {
        public void windowClosing(WindowEvent evt) {
            System.exit(0);
        }
    });
    f.setVisible(true);
}

From source file:Main.java

public TestPane() {
    JLabel longText = new JLabel("Long Long Text");
    JLabel shortText = new JLabel("Short");
    JLabel medText = new JLabel("Medium");

    setLayout(new GridBagLayout());
    GridBagConstraints gbc = new GridBagConstraints();
    gbc.gridx = 0;/*from  w ww.  ja  va  2  s. c  om*/
    gbc.gridy = 0;
    gbc.anchor = GridBagConstraints.EAST;
    add(longText, gbc);
    addFields(gbc);

    gbc.gridx = 0;
    gbc.gridy++;
    gbc.anchor = GridBagConstraints.EAST;
    add(shortText, gbc);
    addFields(gbc);

    gbc.gridx = 0;
    gbc.gridy++;
    gbc.anchor = GridBagConstraints.EAST;
    add(medText, gbc);
    addFields(gbc);
}

From source file:Main.java

public Main() {
    setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    setLayout(new BorderLayout());

    JPanel upper = new JPanel();
    GridBagLayout gridbag = new GridBagLayout();
    upper.setLayout(gridbag);//  w  ww.java  2s .  co  m
    GridBagConstraints gbc = new GridBagConstraints();

    JButton toolbar1 = new JButton("toolbar1");
    JButton toolbar2 = new JButton("toolbar2");
    JButton toolbar3 = new JButton("toolbar3");

    gbc.gridx = 0;
    gbc.gridy = 0;
    gbc.weightx = 1.0;
    gbc.weighty = 1.0;
    gbc.anchor = GridBagConstraints.WEST;
    upper.add(toolbar1, gbc);

    gbc.gridx = 1;
    gbc.anchor = GridBagConstraints.CENTER;
    upper.add(toolbar2, gbc);

    gbc.gridx = 2;
    gbc.anchor = GridBagConstraints.EAST;
    gbc.gridwidth = GridBagConstraints.REMAINDER;
    upper.add(toolbar3, gbc);

    add(upper, BorderLayout.NORTH);

    JPanel something = new JPanel();
    something.setBackground(Color.WHITE);
    something.setPreferredSize(new Dimension(600, 600));
    something.repaint();
    add(something, BorderLayout.CENTER);

    pack();
    setVisible(true);
}

From source file:Main.java

public LoginPanel() {
    setLayout(new GridBagLayout());
    GridBagConstraints gbc = new GridBagConstraints();

    gbc.anchor = GridBagConstraints.CENTER;
    gbc.weightx = 1;/*from  w ww  . j av  a 2 s  .  com*/
    gbc.gridx = 2;
    gbc.anchor = GridBagConstraints.EAST;
    JLabel label = new JLabel("Username: ");
    add(label, gbc);

    gbc.anchor = GridBagConstraints.WEST;
    gbc.gridx = 3;
    gbc.gridwidth = 2;
    add(userfield, gbc);

    gbc.gridy = 1;
    add(passfield, gbc);

    gbc.anchor = GridBagConstraints.EAST;
    gbc.gridx = 2;
    label = new JLabel("Password: ");
    add(label, gbc);

    gbc.fill = GridBagConstraints.HORIZONTAL;
    gbc.gridy = 2;
    gbc.gridx = 1;
    gbc.gridwidth = 5;
    add(new JSeparator(JSeparator.HORIZONTAL), gbc);
}

From source file:EditorPaneExample3.java

public EditorPaneExample3() {
    super("JEditorPane Example 3");

    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;//www  .  j a  v a 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.gridx = 1;
    c.gridy = 0;
    c.gridwidth = 1;
    c.weightx = 1.0;
    c.fill = GridBagConstraints.HORIZONTAL;

    textField = new JTextField(32);
    panel.add(textField, c);
    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);

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

    // Change page based on text field
    textField.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent evt) {
            String url = textField.getText();
            try {
                // Try to display the page
                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);
                pane.setPage(url);

                loadingState.setText("Loaded");
                loadedType.setText(pane.getContentType());
            } catch (IOException e) {
                JOptionPane.showMessageDialog(pane, new String[] { "Unable to open file", url },
                        "File Open Error", JOptionPane.ERROR_MESSAGE);
                loadingState.setText("Failed");
            }
        }
    });
}

From source file:EditorPaneExample10A.java

public EditorPaneExample10A() {
    super("JEditorPane Example 10 - using getIterator");

    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 www .java 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");

    // 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);

                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));
                    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));
                enableInput();
            }
        }
    });
}

From source file:EditorPaneExample4.java

public EditorPaneExample4() {
    super("JEditorPane Example 4");

    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;/*  w  w w.  j a v a 2s. 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.gridx = 1;
    c.gridy = 0;
    c.gridwidth = 1;
    c.weightx = 1.0;
    c.fill = GridBagConstraints.HORIZONTAL;

    textField = new JTextField(32);
    panel.add(textField, c);
    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);

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

    // Change page based on text field
    textField.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent evt) {
            String url = textField.getText();

            try {
                // Check if the new page and the old
                // page are the same.
                URL newURL = new URL(url);
                URL loadedURL = pane.getPage();
                if (loadedURL != null && loadedURL.sameFile(newURL)) {
                    return;
                }

                // Try to display the page
                textField.setEnabled(false); // Disable input
                textField.paintImmediately(0, 0, textField.getSize().width, textField.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);
                pane.setPage(url);

                loadedType.setText(pane.getContentType());
            } catch (Exception e) {
                System.out.println(e);
                JOptionPane.showMessageDialog(pane, new String[] { "Unable to open file", url },
                        "File Open Error", JOptionPane.ERROR_MESSAGE);
                loadingState.setText("Failed");
                textField.setEnabled(true);
                setCursor(Cursor.getDefaultCursor());
            }
        }
    });

    // Listen for page load to complete
    pane.addPropertyChangeListener(new PropertyChangeListener() {
        public void propertyChange(PropertyChangeEvent evt) {
            if (evt.getPropertyName().equals("page")) {
                loadingState.setText("Page loaded.");
                textField.setEnabled(true); // Allow entry of new URL
                setCursor(Cursor.getDefaultCursor());
            }
        }
    });
}

From source file:PizzaGridBagLayout.java

public PizzaGridBagLayout() {
    this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    JPanel panel1 = new JPanel();
    panel1.setLayout(new GridBagLayout());
    addItem(panel1, new JLabel("Name:"), 0, 0, 1, 1, GridBagConstraints.EAST);
    addItem(panel1, new JLabel("Phone:"), 0, 1, 1, 1, GridBagConstraints.EAST);
    addItem(panel1, new JLabel("Address:"), 0, 2, 1, 1, GridBagConstraints.EAST);

    addItem(panel1, name, 1, 0, 2, 1, GridBagConstraints.WEST);
    addItem(panel1, phone, 1, 1, 1, 1, GridBagConstraints.WEST);
    addItem(panel1, address, 1, 2, 2, 1, GridBagConstraints.WEST);

    Box sizeBox = Box.createVerticalBox();
    ButtonGroup sizeGroup = new ButtonGroup();
    sizeGroup.add(small);//from w w  w . jav a 2s. co m
    sizeGroup.add(medium);
    sizeGroup.add(large);
    sizeBox.add(small);
    sizeBox.add(medium);
    sizeBox.add(large);
    sizeBox.setBorder(BorderFactory.createTitledBorder("Size"));
    addItem(panel1, sizeBox, 0, 3, 1, 1, GridBagConstraints.NORTH);

    Box styleBox = Box.createVerticalBox();

    ButtonGroup styleGroup = new ButtonGroup();
    styleGroup.add(thin);
    styleGroup.add(thick);
    styleBox.add(thin);
    styleBox.add(thick);
    styleBox.setBorder(BorderFactory.

            createTitledBorder("Style"));
    addItem(panel1, styleBox, 1, 3, 1, 1, GridBagConstraints.NORTH);

    Box topBox = Box.createVerticalBox();
    ButtonGroup topGroup = new ButtonGroup();
    topGroup.add(pepperoni);
    topGroup.add(mushrooms);
    topGroup.add(anchovies);
    topBox.add(pepperoni);
    topBox.add(mushrooms);
    topBox.add(anchovies);
    topBox.setBorder(BorderFactory.createTitledBorder("Toppings"));
    addItem(panel1, topBox, 2, 3, 1, 1, GridBagConstraints.NORTH);

    Box buttonBox = Box.createHorizontalBox();
    buttonBox.add(okButton);
    buttonBox.add(Box.createHorizontalStrut(20));
    buttonBox.add(closeButton);
    addItem(panel1, buttonBox, 2, 4, 1, 1, GridBagConstraints.NORTH);

    this.add(panel1);
    this.pack();
    this.setVisible(true);
}

From source file:net.sourceforge.pmd.util.designer.CreateXMLRulePanel.java

public CreateXMLRulePanel(JTextArea xpathQueryArea, CodeEditorTextPane codeEditorPane) {
    super();//from   w  w w  . j a v a 2 s.com
    this.xpathQueryArea = xpathQueryArea;
    this.codeEditorPane = codeEditorPane;
    GridBagConstraints gbc = new GridBagConstraints();
    // We use a gridbaglayout for a nice and sturdy look and feel
    GridBagLayout gbl = new GridBagLayout();
    setLayout(gbl);

    gbc.gridx = 0;
    gbc.gridy = 0;
    gbc.fill = GridBagConstraints.NONE;
    gbc.anchor = GridBagConstraints.EAST;
    gbc.weightx = 0.5;
    JLabel rulenameLabel = new JLabel("Rule name : ");
    gbl.setConstraints(rulenameLabel, gbc);
    add(rulenameLabel);
    gbc.weightx = 0.5;
    gbc.anchor = GridBagConstraints.WEST;
    gbc.gridx = 1;
    gbl.setConstraints(rulenameField, gbc);
    add(rulenameField);

    gbc.gridx = 0;
    gbc.gridy = 1;
    gbc.anchor = GridBagConstraints.EAST;
    gbc.weightx = 0.5;
    JLabel rulemsgLabel = new JLabel("Rule msg : ");
    gbl.setConstraints(rulemsgLabel, gbc);
    add(rulemsgLabel);
    gbc.gridx = 1;
    gbc.anchor = GridBagConstraints.WEST;
    gbc.weightx = 0.5;
    gbl.setConstraints(rulemsgField, gbc);
    add(rulemsgField);

    gbc.gridx = 0;
    gbc.gridy = 2;
    gbc.anchor = GridBagConstraints.EAST;
    gbc.weightx = 0.5;
    JLabel ruledescLabel = new JLabel("Rule desc : ");
    gbl.setConstraints(ruledescLabel, gbc);
    add(ruledescLabel);
    gbc.gridx = 1;
    gbc.anchor = GridBagConstraints.WEST;
    gbc.weightx = 0.5;
    ruledescField.setLineWrap(true);
    gbl.setConstraints(ruledescField, gbc);
    add(ruledescField);

    gbc.gridx = 0;
    gbc.gridy = 3;
    gbc.gridwidth = 2;
    gbc.anchor = GridBagConstraints.NORTH;
    JButton createRuleBtn = new JButton("Create rule XML");
    createRuleBtn.addActionListener(this);
    gbl.setConstraints(createRuleBtn, gbc);
    add(createRuleBtn);

    gbc.gridx = 0;
    gbc.gridy = 4;
    gbc.anchor = GridBagConstraints.NORTH;
    gbc.fill = GridBagConstraints.BOTH;
    gbc.weightx = 1.0;
    gbc.weighty = 1.0;
    JScrollPane ruleXMLPane = new JScrollPane(ruleXMLArea);
    gbl.setConstraints(ruleXMLPane, gbc);
    add(ruleXMLPane);

    repaint();
}

From source file:EditorPaneExample6.java

public EditorPaneExample6() {
    super("JEditorPane Example 6");

    pane = new JEditorPane();
    pane.setEditable(false); // Start 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.  ja 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("File name: ", 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.gridx = 1;
    c.gridy = 0;
    c.gridwidth = 1;
    c.weightx = 1.0;
    c.fill = GridBagConstraints.HORIZONTAL;

    textField = new JTextField(32);
    panel.add(textField, c);
    loadingState = new JLabel(spaces, JLabel.LEFT);
    loadingState.setForeground(Color.black);
    c.gridy = 1;
    c.gridwidth = 2;
    panel.add(loadingState, c);
    loadedType = new JLabel(spaces, JLabel.LEFT);
    loadedType.setForeground(Color.black);
    c.gridy = 2;
    panel.add(loadedType, c);

    // Add a "Save" button
    saveButton = new JButton("Save");
    saveButton.setEnabled(false);
    c.gridwidth = 1;
    c.gridx = 2;
    c.gridy = 0;
    c.weightx = 0.0;
    panel.add(saveButton, c);

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

    // Change page based on text field
    textField.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent evt) {
            String fileName = textField.getText().trim();
            file = new File(fileName);
            absolutePath = file.getAbsolutePath();
            String url = "file:///" + absolutePath;

            try {
                // Check if the new page and the old
                // page are the same.
                URL newURL = new URL(url);
                URL loadedURL = pane.getPage();
                if (loadedURL != null && loadedURL.sameFile(newURL)) {
                    return;
                }

                // Try to display the page
                textField.setEnabled(false); // Disable input
                textField.paintImmediately(0, 0, textField.getSize().width, textField.getSize().height);

                saveButton.setEnabled(false);
                saveButton.paintImmediately(0, 0, saveButton.getSize().width, saveButton.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);
                pane.setEditable(false);
                pane.setPage(url);

                loadedType.setText(pane.getContentType());
            } catch (Exception e) {
                JOptionPane.showMessageDialog(pane, new String[] { "Unable to open file", url },
                        "File Open Error", JOptionPane.ERROR_MESSAGE);
                loadingState.setText("Failed");
                textField.setEnabled(true);
                setCursor(Cursor.getDefaultCursor());
            }
        }
    });

    // Listen for page load to complete
    pane.addPropertyChangeListener(new PropertyChangeListener() {
        public void propertyChange(PropertyChangeEvent evt) {
            if (evt.getPropertyName().equals("page")) {
                loadingState.setText("Page loaded.");

                textField.setEnabled(true); // Allow entry of new file name
                textField.requestFocus();
                setCursor(Cursor.getDefaultCursor());

                // Allow editing and saving if appropriate
                pane.setEditable(file.canWrite());
                saveButton.setEnabled(file.canWrite());
            }
        }
    });

    // Save button
    saveButton.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent evt) {
            try {
                String type = pane.getContentType();
                OutputStream os = new BufferedOutputStream(new FileOutputStream(file + ".save"));
                pane.setEditable(false);
                textField.setEnabled(false);
                saveButton.setEnabled(false);
                setCursor(Cursor.getPredefinedCursor(Cursor.WAIT_CURSOR));

                Document doc = pane.getDocument();
                int length = doc.getLength();
                if (type.endsWith("/rtf")) {
                    // Saving RTF - use the OutputStream
                    try {
                        pane.getEditorKit().write(os, doc, 0, length);
                        os.close();
                    } catch (BadLocationException ex) {
                    }
                } else {
                    // Not RTF - use a Writer.
                    Writer w = new OutputStreamWriter(os);
                    pane.write(w);
                    w.close();
                }
            } catch (IOException e) {
                JOptionPane.showMessageDialog(pane,
                        new String[] { "Unable to save file", file.getAbsolutePath(), }, "File Save Error",
                        JOptionPane.ERROR_MESSAGE);

            }
            pane.setEditable(file.canWrite());
            textField.setEnabled(true);
            saveButton.setEnabled(file.canWrite());
            setCursor(Cursor.getDefaultCursor());
        }
    });
}