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PODocumentListener with Thread.sleep
 

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    <p>I want to know when I am writing and when I am deleting, but, after a 0.5 second delay, it will tell me "You stopped writing/deleting" However, it only shows that message and it delete or write after a half second delay.</p> <p><strong>How could I use <code>Thread.sleep(500);</code> correctly?</strong></p> <p>My current source code:</p> <pre><code>import java.awt.BorderLayout; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JTextField; import javax.swing.event.DocumentEvent; import javax.swing.event.DocumentListener; public class TextChangedFrame extends JFrame { JTextField textField = new JTextField("Put your text here"); JLabel label = new JLabel("You have written: "); public TextChangedFrame() { setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); setSize(300, 100); setLayout(new BorderLayout()); getContentPane().add(textField, BorderLayout.CENTER); getContentPane().add(label, BorderLayout.SOUTH); textField.getDocument().addDocumentListener(new DocumentListener() { public void insertUpdate(DocumentEvent e) { label.setText("I'm writting: " + textField.getText()); try { Thread.sleep(500); } catch (InterruptedException ex) { } label.setText("I stopped writing"); } public void removeUpdate(DocumentEvent e) { label.setText("I'm deleting"); try { Thread.sleep(500); } catch (InterruptedException ex) { } label.setText("I stopped deleting"); } public void changedUpdate(DocumentEvent e) { } }); } public static void main(String[] args) { TextChangedFrame frame = new TextChangedFrame(); frame.setLocationRelativeTo(null); frame.setVisible(true); } } </code></pre>
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    1. CONever, ever call `Thread.sleep(...)` on the Swing event dispatch thread, the EDT. Ever. Not unless you want to put the entire application to sleep.
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    2. COOw, so how can i do that?
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    3. COI'm not sure what you are asking. I have edited to try to clarify, but it would greatly help if you could edit your question for details. Currently, it seems that you are asking what `thread.sleep(int x)` does, which suspends any operations that the current thread is doing for `x` milliseconds (Thread.sleep(1000) = 1 second suspension).
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