javax.swing.JLabel java code examples

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Common ways to obtain JLabel

private void myMethod () {
     JLabel j =new JLabel()
String text;new JLabel(text)
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}

protected JPanel createStatusArea() {
 JPanel statusArea = new JPanel();
 JLabel status =
   new JLabel("No log records to display.");
 _statusLabel = status;
 status.setHorizontalAlignment(JLabel.LEFT);
 statusArea.setBorder(BorderFactory.createEtchedBorder());
 statusArea.setLayout(new FlowLayout(FlowLayout.LEFT, 0, 0));
 statusArea.add(status);
 return (statusArea);
}

public Splash (Frame frame, String imageFile, int minMillis) {
  super(frame);
  this.minMillis = minMillis;
  getContentPane().add(new JLabel(new ImageIcon(Splash.class.getResource(imageFile))), BorderLayout.CENTER);
  pack();
  setLocationRelativeTo(null);
  setVisible(true);
  startTime = System.currentTimeMillis();
}

public void layoutContainer (Container parent) {
  Dimension buttonSize = upButton.getPreferredSize();
  int upButtonX = getWidth() - buttonSize.width * 3 - 6 - 5;
  upButton.setBounds(upButtonX, 0, buttonSize.width, buttonSize.height);
  downButton.setBounds(getWidth() - buttonSize.width * 2 - 3 - 5, 0, buttonSize.width, buttonSize.height);
  deleteButton.setBounds(getWidth() - buttonSize.width - 5, 0, buttonSize.width, buttonSize.height);
  Dimension labelSize = nameLabel.getPreferredSize();
  nameLabel.setBounds(5, buttonSize.height / 2 - labelSize.height / 2, getWidth() - 5, labelSize.height);
}

public void showContent (boolean visible) {
  contentPanel.setVisible(visible);
  advancedPanel.setVisible(visible && advancedButton.isSelected());
  advancedButton.setVisible(visible && hasAdvanced);
  descriptionLabel.setText(visible ? description : "");
}

private GUIRunner() {
 imageLabel = new JLabel();
 textArea = new JTextArea();
 textArea.setEditable(false);
 textArea.setMaximumSize(new Dimension(400, 200));
 Container panel = new JPanel();
 panel.setLayout(new FlowLayout());
 panel.add(imageLabel);
 panel.add(textArea);
 setTitle("ZXing");
 setSize(400, 400);
 setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
 setContentPane(panel);
 setLocationRelativeTo(null);
}

 import javax.swing.JFrame;
import javax.swing.JLabel;

public class Annoying {
  public static void main(String[] args) {
    JFrame frame = new JFrame("Hello!!");

    // Set's the window to be "always on top"
    frame.setAlwaysOnTop( true );

    frame.setLocationByPlatform( true );
    frame.add( new JLabel("  Isn't this annoying?") );
    frame.pack();
    frame.setVisible( true );
  }
}

  private void initializeComponents () {
    JPanel contentPanel = getContentPanel();
    {
      JLabel label = new JLabel("Value:");
      contentPanel.add(label, new GridBagConstraints(0, 1, 1, 1, 0, 0, GridBagConstraints.EAST, GridBagConstraints.NONE,
        new Insets(0, 0, 0, 6), 0, 0));
    }
    {
      valueSpinner = new JSpinner(new SpinnerNumberModel(new Float(0), new Float(-99999), new Float(99999), new Float(0.1f)));
      contentPanel.add(valueSpinner, new GridBagConstraints(1, 1, 1, 1, 1, 0, GridBagConstraints.WEST,
        GridBagConstraints.NONE, new Insets(0, 0, 0, 0), 0, 0));
    }
  }
}

@Override
public JPanel getPanel() {
  if (myPanel == null) {
    myPanel = new JPanel(new GridLayout(1, 2));
    myPanel.add(new JLabel("Search String: "));
    myPanel.add(searchText);
  }
  return myPanel;
}

private void enableTsurgeonHelper(boolean enable) {
 scriptLabel.setEnabled(enable);
 tsurgeonScript.setEnabled(enable);
 tsurgeonHelp.setEnabled(enable);
 cancelTsurgeon.setEnabled(false);//should always be off unless we're running a script
 runScript.setEnabled(enable);
 tsurgeonEnabled = enable;
 TregexGUI.getInstance().setTsurgeonEnabled(enable);
}

private void initAboutBox() {
 aboutBox = new JDialog(this, "About Tregex");
 aboutBox.getContentPane().setLayout(new BorderLayout());
 aboutBox.getContentPane().add(new JLabel("<html><b>Tregex and Tsurgeon</b></html>", SwingConstants.CENTER), BorderLayout.NORTH);
 aboutBox.getContentPane().add(new JLabel("<html>Tregex by Galen Andrew and Roger Levy<br>Tsurgeon by Roger Levy<br>Graphical interface by Anna Rafferty<br>Additional features and development by Chris Manning<br></html>", SwingConstants.CENTER), BorderLayout.CENTER);
 aboutBox.getContentPane().add(new JLabel("<html><font size=2>\u00A92007 The Board of Trustees of The Leland Stanford Junior University.<br>Distributed under the GNU General Public License</font></html>", SwingConstants.CENTER), BorderLayout.SOUTH);
}

 JLabel label = new JLabel();
JButton button = new JButton("Click me");
button.addActionListener((ActionEvent e) -> {
  // This event listener is run when the button is clicked.
  // We don't need to loop while waiting.
  label.setText("Button was clicked");
});

  @Override
  public void mouseWheelMoved(MouseWheelEvent e) {
    int notches = e.getWheelRotation();
    if (notches < 0) {
      image = Scalr.resize(image, Scalr.Method.SPEED, image.getWidth() + 10, image.getHeight() + 10);
    } else {
      image = Scalr.resize(image, Scalr.Method.SPEED, image.getWidth() - 10, image.getHeight() - 10);
    }
    panel2.removeAll();
    JLabel label = new JLabel("", new ImageIcon(image), JLabel.CENTER);
    panel2.add( label, BorderLayout.CENTER );
    panel2.updateUI();
  }
});

 JFrame frame = new JFrame();
frame.setLayout(new BorderLayout());
frame.setSize(200, 200);

// create the status bar panel and shove it down the bottom of the frame
JPanel statusPanel = new JPanel();
statusPanel.setBorder(new BevelBorder(BevelBorder.LOWERED));
frame.add(statusPanel, BorderLayout.SOUTH);
statusPanel.setPreferredSize(new Dimension(frame.getWidth(), 16));
statusPanel.setLayout(new BoxLayout(statusPanel, BoxLayout.X_AXIS));
JLabel statusLabel = new JLabel("status");
statusLabel.setHorizontalAlignment(SwingConstants.LEFT);
statusPanel.add(statusLabel);

frame.setVisible(true);

public void draw() {
  WritableRaster r = img.getRaster();
  int[] equiv = new int[data.length()];
  INDArray dataLinear = data.linearView();
  for (int i = 0; i < equiv.length; i++)
    equiv[i] = Math.round(dataLinear.getInt(i));
  r.setDataElements(0, 0, width, height, equiv);
  frame = new JFrame(title);
  frame.setVisible(true);
  start();
  frame.add(new JLabel(new ImageIcon(getImage())));
  frame.pack();
  // Better to DISPOSE than EXIT
  frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
}

/**
 * Constructor
 */
public Client() {
 super("Client System");
 setDefaultCloseOperation(EXIT_ON_CLOSE);
 setSize(300, 300);
 jl = new JLabel("RUNNING...");
 jtFields = new JTextField[3];
 for (int i = 0; i < 3; i++) {
  jtFields[i] = new JTextField();
 }
 jtAreas = new JTextArea[2];
 for (int i = 0; i < 2; i++) {
  jtAreas[i] = new JTextArea();
 }
 clearButton = new JButton("Clear");
 processButton = new JButton("Process");
 setup();
}

void updateActive () {
  contentPanel.setVisible(activeButton.isSelected());
  advancedPanel.setVisible(activeButton.isSelected() && advancedButton.isSelected());
  advancedButton.setVisible(activeButton.isSelected() && hasAdvanced);
  descriptionLabel.setText(activeButton.isSelected() ? description : "");
  if (value != null) value.setActive(activeButton.isSelected());
}

@Override
public JPanel getPanel() {
  if (myPanel == null) {
    myPanel = new JPanel(new GridLayout(3, 2));
    myPanel.add(new JLabel("Owner: "));
    myPanel.add(mOwner);
    myPanel.add(new JLabel("Name: "));
    myPanel.add(mName);
    myPanel.add(new JLabel("Desc: "));
    myPanel.add(mDesc);
  }
  return myPanel;
}

private void setup() {
 setLayout(new BorderLayout());
 JPanel panel = new JPanel();
 add(jl, BorderLayout.SOUTH);
 add(panel, BorderLayout.CENTER);
 panel.setLayout(new GridLayout(6, 2));
 panel.add(new JLabel("Name"));
 panel.add(jtFields[0]);
 panel.add(new JLabel("Contact Number"));
 panel.add(jtFields[1]);
 panel.add(new JLabel("Address"));
 panel.add(jtAreas[0]);
 panel.add(new JLabel("Deposit Number"));
 panel.add(jtFields[2]);
 panel.add(new JLabel("Order"));
 panel.add(jtAreas[1]);
 panel.add(clearButton);
 panel.add(processButton);
 clearButton.addActionListener(e -> {
  for (JTextArea i : jtAreas) {
   i.setText("");
 processButton.addActionListener(e -> {
  Order order = new Order(jtFields[0].getText(), jtFields[1].getText(), jtAreas[0].getText(), jtFields[2].getText(),
    jtAreas[1].getText());
  jl.setText(sendRequest(order));
 });

JFrame frame = new JFrame(){{
    add( new JPanel(){{
       add( new JLabel("Hey there"){{ 
         setBackground(Color.black);
         setForeground( Color.white);
       }});
       add( new JButton("Ok"){{
         addActionListener( new ActionListener(){
           public void actionPerformed( ActionEvent ae ){
             System.out.println("Button pushed");
           }
          });
        }});
   }});
 }};

  public void refresh(JButton src) {
    if(!canRefresh) {
      src.setEnabled(true);
      return;
    }
    
    panel2.removeAll();
    try {
      image = ImageIO.read(new ByteArrayInputStream(contents));
    } catch (IOException e) {
      new the.bytecode.club.bytecodeviewer.api.ExceptionUI(e);
    }
    JLabel label = new JLabel("", new ImageIcon(image), JLabel.CENTER);
    panel2.add( label, BorderLayout.CENTER );
    panel2.updateUI();
    
    src.setEnabled(true);
  }
}

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