Example usage for javax.swing JLabel getText

List of usage examples for javax.swing JLabel getText

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Introduction

In this page you can find the example usage for javax.swing JLabel getText.

Prototype

public String getText()

Source Link

Document

Returns the text string that the label displays.

Usage

From source file:Main.java

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

    String htmlLabel = "<html><sup>HTML</sup> <sub><em>Label</em></sub><br>"
            + "<font color=\"#FF0080\"><u>Multi-line</u></font>";
    JLabel label = new JLabel(htmlLabel);

    System.out.println(label.getText());

    frame.add(label);//from  w  ww .jav  a 2  s  .  co  m

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

}

From source file:Main.java

public static void main(String[] args) {
    JTabbedPane tabbedPane = new JTabbedPane();
    for (int i = 0; i < 5; i++) {
        tabbedPane.add("Tab " + i, new JLabel("Label " + i, SwingConstants.CENTER));
    }/*from w  w w  .  j a v  a 2 s . c  o  m*/

    tabbedPane.getModel().addChangeListener(e -> {
        JLabel label = (JLabel) tabbedPane.getSelectedComponent();
        System.out.println(label.getText());
    });

    tabbedPane.setPreferredSize(new Dimension(500, 300));

    JFrame frame = new JFrame();
    frame.getContentPane().add(tabbedPane);
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.pack();
    frame.setVisible(true);
}

From source file:com.amazonaws.services.kinesis.leases.impl.LeaseCoordinatorExerciser.java

public static void main(String[] args) throws InterruptedException, DependencyException, InvalidStateException,
        ProvisionedThroughputException, IOException {

    int numCoordinators = 9;
    int numLeases = 73;
    int leaseDurationMillis = 10000;
    int epsilonMillis = 100;

    AWSCredentialsProvider creds = new DefaultAWSCredentialsProviderChain();
    AmazonDynamoDBClient ddb = new AmazonDynamoDBClient(creds);

    ILeaseManager<KinesisClientLease> leaseManager = new KinesisClientLeaseManager("nagl_ShardProgress", ddb);

    if (leaseManager.createLeaseTableIfNotExists(10L, 50L)) {
        LOG.info("Waiting for newly created lease table");
        if (!leaseManager.waitUntilLeaseTableExists(10, 300)) {
            LOG.error("Table was not created in time");
            return;
        }//w w  w  .  j av a2  s  .  c  o m
    }

    CWMetricsFactory metricsFactory = new CWMetricsFactory(creds, "testNamespace", 30 * 1000, 1000);
    final List<LeaseCoordinator<KinesisClientLease>> coordinators = new ArrayList<LeaseCoordinator<KinesisClientLease>>();
    for (int i = 0; i < numCoordinators; i++) {
        String workerIdentifier = "worker-" + Integer.toString(i);

        LeaseCoordinator<KinesisClientLease> coord = new LeaseCoordinator<KinesisClientLease>(leaseManager,
                workerIdentifier, leaseDurationMillis, epsilonMillis, metricsFactory);

        coordinators.add(coord);
    }

    leaseManager.deleteAll();

    for (int i = 0; i < numLeases; i++) {
        KinesisClientLease lease = new KinesisClientLease();
        lease.setLeaseKey(Integer.toString(i));
        lease.setCheckpoint(new ExtendedSequenceNumber("checkpoint"));
        leaseManager.createLeaseIfNotExists(lease);
    }

    final JFrame frame = new JFrame("Test Visualizer");
    frame.setPreferredSize(new Dimension(800, 600));
    final JPanel panel = new JPanel(new GridLayout(coordinators.size() + 1, 0));
    final JLabel ticker = new JLabel("tick");
    panel.add(ticker);
    frame.getContentPane().add(panel);

    final Map<String, JLabel> labels = new HashMap<String, JLabel>();
    for (final LeaseCoordinator<KinesisClientLease> coord : coordinators) {
        JPanel coordPanel = new JPanel();
        coordPanel.setLayout(new BoxLayout(coordPanel, BoxLayout.X_AXIS));
        final Button button = new Button("Stop " + coord.getWorkerIdentifier());
        button.setMaximumSize(new Dimension(200, 50));
        button.addActionListener(new ActionListener() {

            @Override
            public void actionPerformed(ActionEvent arg0) {
                if (coord.isRunning()) {
                    coord.stop();
                    button.setLabel("Start " + coord.getWorkerIdentifier());
                } else {
                    try {
                        coord.start();
                    } catch (LeasingException e) {
                        LOG.error(e);
                    }
                    button.setLabel("Stop " + coord.getWorkerIdentifier());
                }
            }

        });
        coordPanel.add(button);

        JLabel label = new JLabel();
        coordPanel.add(label);
        labels.put(coord.getWorkerIdentifier(), label);
        panel.add(coordPanel);
    }

    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    new Thread() {

        // Key is lease key, value is green-ness as a value from 0 to 255.
        // Great variable name, huh?
        private Map<String, Integer> greenNesses = new HashMap<String, Integer>();

        // Key is lease key, value is last owning worker
        private Map<String, String> lastOwners = new HashMap<String, String>();

        @Override
        public void run() {
            while (true) {
                for (LeaseCoordinator<KinesisClientLease> coord : coordinators) {
                    String workerIdentifier = coord.getWorkerIdentifier();

                    JLabel label = labels.get(workerIdentifier);

                    List<KinesisClientLease> asgn = new ArrayList<KinesisClientLease>(coord.getAssignments());
                    Collections.sort(asgn, new Comparator<KinesisClientLease>() {

                        @Override
                        public int compare(KinesisClientLease arg0, KinesisClientLease arg1) {
                            return arg0.getLeaseKey().compareTo(arg1.getLeaseKey());
                        }

                    });

                    StringBuilder builder = new StringBuilder();
                    builder.append("<html>");
                    builder.append(workerIdentifier).append(":").append(asgn.size()).append("          ");

                    for (KinesisClientLease lease : asgn) {
                        String leaseKey = lease.getLeaseKey();
                        String lastOwner = lastOwners.get(leaseKey);

                        // Color things green when they switch owners, decay the green-ness over time.
                        Integer greenNess = greenNesses.get(leaseKey);
                        if (greenNess == null || lastOwner == null
                                || !lastOwner.equals(lease.getLeaseOwner())) {
                            greenNess = 200;
                        } else {
                            greenNess = Math.max(0, greenNess - 20);
                        }
                        greenNesses.put(leaseKey, greenNess);
                        lastOwners.put(leaseKey, lease.getLeaseOwner());

                        builder.append(String.format("<font color=\"%s\">%03d</font>",
                                String.format("#00%02x00", greenNess), Integer.parseInt(leaseKey))).append(" ");
                    }
                    builder.append("</html>");

                    label.setText(builder.toString());
                    label.revalidate();
                    label.repaint();
                }

                if (ticker.getText().equals("tick")) {
                    ticker.setText("tock");
                } else {
                    ticker.setText("tick");
                }

                try {
                    Thread.sleep(200);
                } catch (InterruptedException e) {
                }
            }
        }

    }.start();

    frame.pack();
    frame.setVisible(true);

    for (LeaseCoordinator<KinesisClientLease> coord : coordinators) {
        coord.start();
    }
}

From source file:Main.java

public static void label_update_text(JLabel jLabel, String text) {
    if (!jLabel.getText().equals(text))
        jLabel.setText(text);/*from  w ww. j  a  v a2 s  .com*/
}

From source file:Main.java

public static Rectangle getTextRectangle(JLabel label) {

    String text = label.getText();
    Icon icon = (label.isEnabled()) ? label.getIcon() : label.getDisabledIcon();

    if ((icon == null) && (text == null)) {
        return null;
    }/*  w w  w.j  av a2  s  .c  o m*/

    Rectangle paintIconR = new Rectangle();
    Rectangle paintTextR = new Rectangle();
    Rectangle paintViewR = new Rectangle();
    Insets paintViewInsets = new Insets(0, 0, 0, 0);

    paintViewInsets = label.getInsets(paintViewInsets);
    paintViewR.x = paintViewInsets.left;
    paintViewR.y = paintViewInsets.top;
    paintViewR.width = label.getWidth() - (paintViewInsets.left + paintViewInsets.right);
    paintViewR.height = label.getHeight() - (paintViewInsets.top + paintViewInsets.bottom);

    Graphics g = label.getGraphics();
    if (g == null) {
        return null;
    }
    String clippedText = SwingUtilities.layoutCompoundLabel(label, g.getFontMetrics(), text, icon,
            label.getVerticalAlignment(), label.getHorizontalAlignment(), label.getVerticalTextPosition(),
            label.getHorizontalTextPosition(), paintViewR, paintIconR, paintTextR, label.getIconTextGap());

    return paintTextR;
}

From source file:Main.java

/**
 * Returns the preferred size for a label.
 * // www . j  a v  a 2s .c om
 * @param label The label.
 * @param sampleText The sample text used to get the size.
 * @return The preferred size.
 */
public static Dimension getLabelPreferredSize(JLabel label, String sampleText) {
    String text = label.getText();
    label.setText(sampleText);
    Dimension size = label.getPreferredSize();
    label.setText(text);
    return size;
}

From source file:Main.java

public static void setBoundsForJLabel(JLabel label, int xOffset, int yOffset) {
    setBoundsForComponent(label, label.getText(), xOffset, yOffset);
}

From source file:Main.java

public static String getText(final JLabel jLabel) {
    return jLabel != null ? runInEDT(() -> jLabel.getText(), null, "") : "";
}

From source file:com.aw.swing.mvp.ui.common.LabelResolver.java

public static String getLabelForMsgs(BindingComponent bindingComponent) {
    if (bindingComponent.getLabelToBeUsedOnError() != null) {
        return bindingComponent.getLabelToBeUsedOnError();
    }//from  w w w .  j a  v a2s.  com
    String labelToBeUsed = null;
    JLabel label = getLabelFromDlg(bindingComponent.getFieldName());

    if (label != null) {
        labelToBeUsed = label.getText();
    }

    if (labelToBeUsed == null) {
        labelToBeUsed = getCodigoFromProperties(bindingComponent.getFieldName());
    }

    bindingComponent.setLabelToBeUsedOnError(labelToBeUsed);
    return labelToBeUsed;
}

From source file:Main.java

/**
 * Configures a label as if it was an hyperlink.
 * //from  w w w. j av a2  s .c  o m
 * @param label
 *            the label to configure.
 */
public static void configureLabelAsHyperlink(JLabel label) {
    if (label == null) {
        return;
    }

    StringBuffer html = new StringBuffer();
    html.append("<html><font color=\"blue\"><u>");
    html.append(label.getText());
    html.append("</u></font></html>");

    label.setText(html.toString());
    label.setCursor(Cursor.getPredefinedCursor(Cursor.HAND_CURSOR));
}