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POSwing JProgressBar for time spent in method
 

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  1. POSwing JProgressBar for time spent in method
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    <p>I have a method that imports a dataset into a database, I want to have a progress bar to inform the user that the import is occurring after clicking on the button. I have coded a progress bar that works for a hardcoded duration, but I obviously want this to be dynamic depending on the duration of the import. I have tried a lot of different things with no success, so I hope there is some help out there! :) Thanks! Edit: this is the action listener for the import button -></p> <pre><code> btnImportADataset.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent ae) { progressBar(10); SystemAdminHome.testMethod();`enter code here` ExcelReadInReadOut.writeToDB(); } }); </code></pre> <p>The following is the method being called in the action listener -></p> <pre><code> private final static int interval = 1000; private static int i; private static JLabel label; private static JProgressBar progBar; private static Timer timer; public static void progressBar(final long duration) { JFrame frame = new JFrame("Progress Bar"); ProgressBar progBarInstance = new ProgressBar(); progBar = new JProgressBar(0, (int) duration); progBar.setValue(0); progBar.setStringPainted(true); label = new JLabel("Import a dataset"); JPanel panel = new JPanel(); //panel.add(btnStart); panel.add(progBar); JPanel panel1 = new JPanel(); panel1.setLayout(new BorderLayout()); panel1.add(panel, BorderLayout.NORTH); panel1.add(label, BorderLayout.CENTER); panel1.setBorder(BorderFactory.createEmptyBorder(20, 20, 20, 20)); frame.setContentPane(panel1); frame.pack(); frame.setVisible(true); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); // Create a timer. timer = new Timer(interval, new ActionListener() { public void actionPerformed(ActionEvent evt) { if (i == duration) { timer.stop(); btnImportADataset.setEnabled(true); progBar.setValue(0); String str = "&lt;html&gt;" + "&lt;font color=\"#FF0000\"&gt;" + "&lt;b&gt;" + "Import completed." + "&lt;/b&gt;" + "&lt;/font&gt;" + "&lt;/html&gt;"; label.setText(str); } i = i + 1; progBar.setValue(i); } }); } public static void testMethod() { btnImportADataset.setEnabled(false); i = 0; String str = "&lt;html&gt;" + "&lt;font color=\"#008000\"&gt;" + "&lt;b&gt;" + "Import is in process......." + "&lt;/b&gt;" + "&lt;/font&gt;" + "&lt;/html&gt;";label.setText(str);timer.start(); } </code></pre>
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    1. USAndrew Thompson
    1. USuser1898230
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    1. COcould you show what you tried? I think you have to use `SwingWorker` and a `PropertyChangeListener` on the fly
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      1. USnachokk
    2. COYou can set the progress bar to `indeterminate` mode and not have to worry about how long it takes. See: http://docs.oracle.com/javase/tutorial/uiswing/components/progress.html#indeterminate
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