Example usage for java.awt BorderLayout NORTH

Introduction

In this page you can find the example usage for java.awt BorderLayout NORTH.

Prototype

String NORTH

To view the source code for java.awt BorderLayout NORTH.

Click Source Link

Document

The north layout constraint (top of container).

Usage

From source file:DndTree.java

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

    JPanel top = new JPanel(new BorderLayout());
    JLabel dragLabel = new JLabel("Drag me:");
    JTextField text = new JTextField();
    text.setDragEnabled(true);//from   w w w .ja va2  s  .c  om
    top.add(dragLabel, BorderLayout.WEST);
    top.add(text, BorderLayout.CENTER);
    f.add(top, BorderLayout.NORTH);

    final JTree tree = new JTree();
    final DefaultTreeModel model = (DefaultTreeModel) tree.getModel();
    tree.setTransferHandler(new TransferHandler() {
        public boolean canImport(TransferHandler.TransferSupport support) {
            if (!support.isDataFlavorSupported(DataFlavor.stringFlavor) || !support.isDrop()) {
                return false;
            }
            JTree.DropLocation dropLocation = (JTree.DropLocation) support.getDropLocation();
            return dropLocation.getPath() != null;
        }

        public boolean importData(TransferHandler.TransferSupport support) {
            if (!canImport(support)) {
                return false;
            }
            JTree.DropLocation dropLocation = (JTree.DropLocation) support.getDropLocation();
            TreePath path = dropLocation.getPath();
            Transferable transferable = support.getTransferable();

            String transferData;
            try {
                transferData = (String) transferable.getTransferData(DataFlavor.stringFlavor);
            } catch (IOException e) {
                return false;
            } catch (UnsupportedFlavorException e) {
                return false;
            }

            int childIndex = dropLocation.getChildIndex();
            if (childIndex == -1) {
                childIndex = model.getChildCount(path.getLastPathComponent());
            }

            DefaultMutableTreeNode newNode = new DefaultMutableTreeNode(transferData);
            DefaultMutableTreeNode parentNode = (DefaultMutableTreeNode) path.getLastPathComponent();
            model.insertNodeInto(newNode, parentNode, childIndex);

            TreePath newPath = path.pathByAddingChild(newNode);
            tree.makeVisible(newPath);
            tree.scrollRectToVisible(tree.getPathBounds(newPath));
            return true;
        }
    });

    JScrollPane pane = new JScrollPane(tree);
    f.add(pane, BorderLayout.CENTER);

    tree.setDropMode(DropMode.ON_OR_INSERT);
    f.setSize(300, 400);
    f.setVisible(true);
}

---

From source file:Main.java

public static void main(String args[]) {
    JFrame frame = new JFrame("Verifier Sample");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    JTextField textField1 = new JTextField();
    JTextField textField2 = new JTextField();
    JTextField textField3 = new JTextField();

    InputVerifier verifier = new InputVerifier() {
        public boolean verify(JComponent comp) {
            boolean returnValue;
            JTextField textField = (JTextField) comp;
            try {
                Integer.parseInt(textField.getText());
                returnValue = true;//from w  w w  .  j a v  a 2s.co  m
            } catch (NumberFormatException e) {
                returnValue = false;
            }
            return returnValue;
        }
    };

    textField1.setInputVerifier(verifier);
    textField3.setInputVerifier(verifier);

    Container contentPane = frame.getContentPane();
    contentPane.add(textField1, BorderLayout.NORTH);
    contentPane.add(textField2, BorderLayout.CENTER);
    contentPane.add(textField3, BorderLayout.SOUTH);
    frame.setSize(300, 100);
    frame.setVisible(true);
}

---

From source file:MultiKeyCombo.java

public static void main(String args[]) {
    String labels[] = { "One", "Only", "Once", "Okay", "oneself", "onlooker", "Onslaught", "Onyx", "onus",
            "onward" };
    JFrame f = new JFrame("Example JList");
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    JComboBox jc = new JComboBox(labels);
    MultiKeySelectionManager mk = new MultiKeySelectionManager();
    jc.setKeySelectionManager(mk);/*  w  ww .  j  a v a 2  s  . c  om*/
    //    jc.setKeySelectionManager (new JComboBox.KeySelectionManager() {
    //      public int selectionForKey (char aKey, ComboBoxModel aModel) {
    //        return -1;
    //      }
    //    });
    Container c = f.getContentPane();
    c.add(jc, BorderLayout.NORTH);
    f.setSize(200, 200);
    f.setVisible(true);
}

---

From source file:Main.java

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

    JButton loadButton = new JButton("Display Image");
    loadButton.addActionListener(ev -> {
        JFileChooser fc = new JFileChooser(System.getProperty("user.home"));
        fc.addChoosableFileFilter(/*from   w  ww.  j av  a 2 s . c o m*/
                new FileNameExtensionFilter("Image files", new String[] { "png", "jpg", "jpeg", "gif" }));
        if (fc.showOpenDialog(null) == JFileChooser.APPROVE_OPTION) {
            try {
                Image image = ImageIO.read(fc.getSelectedFile());
                if (image != null) {
                    JPanel panel = new JPanel(new BorderLayout(10, 10));
                    panel.add(new JLabel(fc.getSelectedFile().toString()), BorderLayout.NORTH);
                    panel.add(new JLabel(new ImageIcon(image)));
                    JOptionPane.showMessageDialog(frame, panel);
                }
            } catch (Exception ex) {
                ex.printStackTrace();
            }
        }
    });

    frame.add(loadButton);
    frame.pack();
    frame.setLocationByPlatform(true);
    frame.setVisible(true);
}

---

From source file:Main.java

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

    JPanel userPanel = new JPanel(new BorderLayout());
    JLabel userLabel = new JLabel("Username: ");
    userLabel.setDisplayedMnemonic(KeyEvent.VK_U);
    JTextField userTextField = new JTextField();
    userLabel.setLabelFor(userTextField);
    userPanel.add(userLabel, BorderLayout.WEST);
    userPanel.add(userTextField, BorderLayout.CENTER);

    JPanel passPanel = new JPanel(new BorderLayout());
    JLabel passLabel = new JLabel("Password: ");
    passLabel.setDisplayedMnemonic('p');
    JPasswordField passTextField = new JPasswordField();
    passLabel.setLabelFor(passTextField);
    passPanel.add(passLabel, BorderLayout.WEST);
    passPanel.add(passTextField, BorderLayout.CENTER);

    JPanel panel = new JPanel(new BorderLayout());
    panel.add(userPanel, BorderLayout.NORTH);
    panel.add(passPanel, BorderLayout.SOUTH);
    frame.add(panel, BorderLayout.NORTH);

    frame.setSize(250, 150);//w  ww  .  j  a  va 2 s  .  co m
    frame.setVisible(true);
}

---

From source file:FileSample.java

public static void main(String args[]) {
    JFrame frame = new JFrame("JFileChooser Popup");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    Container contentPane = frame.getContentPane();

    final JLabel directoryLabel = new JLabel();
    contentPane.add(directoryLabel, BorderLayout.NORTH);

    final JLabel filenameLabel = new JLabel();
    contentPane.add(filenameLabel, BorderLayout.SOUTH);

    final JButton button = new JButton("Open FileChooser");
    ActionListener actionListener = new ActionListener() {
        public void actionPerformed(ActionEvent actionEvent) {
            Component parent = (Component) actionEvent.getSource();
            JFileChooser fileChooser = new JFileChooser(".");
            fileChooser.setAccessory(new LabelAccessory(fileChooser));
            FileView view = new JavaFileView();
            fileChooser.setFileView(view);
            int status = fileChooser.showOpenDialog(parent);
            if (status == JFileChooser.APPROVE_OPTION) {
                File selectedFile = fileChooser.getSelectedFile();
                directoryLabel.setText(selectedFile.getParent());
                filenameLabel.setText(selectedFile.getName());
            } else if (status == JFileChooser.CANCEL_OPTION) {
                directoryLabel.setText(" ");
                filenameLabel.setText(" ");
            }/*w ww  .  j a v a  2  s  . co m*/
        }
    };
    button.addActionListener(actionListener);
    contentPane.add(button, BorderLayout.CENTER);

    frame.setSize(300, 200);
    frame.setVisible(true);
}

---

From source file:Main.java

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

    DateFormatSymbols symbols = new DateFormatSymbols(Locale.FRENCH);

    String days[] = symbols.getWeekdays();
    SpinnerModel model1 = new SpinnerListModel(days);
    JSpinner spinner1 = new JSpinner(model1);

    ChangeListener listener = new ChangeListener() {
        public void stateChanged(ChangeEvent e) {
            System.out.println("Source: " + e.getSource());
        }//from   w  w  w  .ja  v  a 2s  . co  m
    };

    spinner1.addChangeListener(listener);

    JLabel label1 = new JLabel("French Days/List");
    JPanel panel1 = new JPanel(new BorderLayout());
    panel1.add(label1, BorderLayout.WEST);
    panel1.add(spinner1, BorderLayout.CENTER);
    frame.add(panel1, BorderLayout.NORTH);

    frame.setSize(200, 90);
    frame.setVisible(true);
}

---

From source file:Main.java

public static void main(String args[]) {
    JFrame frame = new JFrame("Selecting CheckBox");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    JCheckBox checkBox = new JCheckBox("A");

    // Define ChangeListener
    ChangeListener changeListener = new ChangeListener() {
        public void stateChanged(ChangeEvent changeEvent) {
            AbstractButton abstractButton = (AbstractButton) changeEvent.getSource();
            ButtonModel buttonModel = abstractButton.getModel();
            boolean armed = buttonModel.isArmed();
            boolean pressed = buttonModel.isPressed();
            boolean selected = buttonModel.isSelected();
            System.out.println("Changed: " + armed + "/" + pressed + "/" + selected);
        }/*from  w w  w .j a v a  2 s .  c  o  m*/
    };
    // Attach Listeners
    checkBox.addChangeListener(changeListener);
    checkBox.setMnemonic(KeyEvent.VK_S);
    frame.add(checkBox, BorderLayout.NORTH);
    frame.setSize(300, 100);
    frame.setVisible(true);
}

---

From source file:TickSliders.java

public static void main(String args[]) {
    JFrame f = new JFrame("Tick Slider");
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    // No Ticks//from   w  ww  .j  a  v a 2 s  . co  m
    JSlider jSliderOne = new JSlider();
    // Major Tick 25 - Minor 5
    JSlider jSliderTwo = new JSlider();
    jSliderTwo.setMinorTickSpacing(5);
    jSliderTwo.setMajorTickSpacing(25);
    jSliderTwo.setPaintTicks(true);
    jSliderTwo.setSnapToTicks(true);
    // Major Tick 25 - Minor 6
    JSlider jSliderThree = new JSlider(JSlider.VERTICAL);
    jSliderThree.setMinorTickSpacing(6);
    jSliderThree.setMajorTickSpacing(25);
    jSliderThree.setPaintTicks(true);
    JSlider jSliderFour = new JSlider(JSlider.VERTICAL);
    // Major Tick 25 - Minor 1
    jSliderFour.setMinorTickSpacing(1);
    jSliderFour.setMajorTickSpacing(25);
    jSliderFour.setPaintTicks(true);

    Container c = f.getContentPane();
    c.add(jSliderOne, BorderLayout.NORTH);
    c.add(jSliderTwo, BorderLayout.SOUTH);
    c.add(jSliderThree, BorderLayout.WEST);
    c.add(jSliderFour, BorderLayout.EAST);
    f.setSize(300, 200);
    f.setVisible(true);
}

---

From source file:MainClass.java

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

    JPanel userPanel = new JPanel(new BorderLayout());
    JLabel userLabel = new JLabel("Username: ");
    userLabel.setDisplayedMnemonic(KeyEvent.VK_U);
    JTextField userTextField = new JTextField();
    userLabel.setLabelFor(userTextField);
    userPanel.add(userLabel, BorderLayout.WEST);
    userPanel.add(userTextField, BorderLayout.CENTER);

    JPanel passPanel = new JPanel(new BorderLayout());
    JLabel passLabel = new JLabel("Password: ");
    passLabel.setDisplayedMnemonic(KeyEvent.VK_P);
    JPasswordField passTextField = new JPasswordField();
    passLabel.setLabelFor(passTextField);
    passPanel.add(passLabel, BorderLayout.WEST);
    passPanel.add(passTextField, BorderLayout.CENTER);

    JPanel panel = new JPanel(new BorderLayout());
    panel.add(userPanel, BorderLayout.NORTH);
    panel.add(passPanel, BorderLayout.SOUTH);
    frame.add(panel, BorderLayout.NORTH);

    frame.setSize(250, 150);//from   www  .  j a va 2  s  .co m
    frame.setVisible(true);
}

---

• «
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• 9
• 10
• 11
• 12
• 13
• 14
• 15
• 16
• 17
• 18
• 19
• 20
• 21
• 22
• 23
• 24
• 25
• 26
• 27
• 28
• 29
• 30
• 31
• 32
• 33
• 34
• 35
• 36
• 37
• 38
• 39
• 40
• 41
• 42
• 43
• 44
• 45
• 46
• 47
• 48
• 49
• 50
• »