Re: Document Filtering Question

On May 28, 8:50 pm, Knute Johnson <nos...@xxxxxxxxxxxxxxxxxxxxxxx>
wrote:
Chris wrote:
All,
 I am missing something with regard to document filtering. I have
successfully built this app where the text clears (actually gets
replaced with "") everytime a keystoke is entered into my textField.
However, before the replacement with ("") I would like to somehow save
the text that is coming in to the textField (in a String variable
perhaps?).
Anyhow, your expertise would be very much appreciated.

Thank you,
Chris

import javax.swing.JFrame;
import javax.swing.JTextField;
import javax.swing.text.AbstractDocument;
import javax.swing.text.AttributeSet;
import javax.swing.text.BadLocationException;
import javax.swing.text.DocumentFilter;

public class textAreaExample {

  public static void main(String[] args) {
     clear();

  }
     public static void clear() {
  final JTextField field = new JTextField(30);

    ((AbstractDocument) (field.getDocument())).setDocumentFilter(new
DocumentFilter()
    {

      public void replace(FilterBypass fb, int offset, int length,
String string, AttributeSet attr)
          throws BadLocationException {
        fb.replace(offset, length, "", attr);

      }

    });

    JFrame frame = new JFrame("ALiiS");
    frame.getContentPane().add(field);
    frame.pack();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.setVisible(true);

  }
}

So maybe I don't really understand, you've got a text field that when
you type characters into the field they disappear but you really want to
save them somewhere?  Is this supposed to be some sort of password field?

--

Knute Johnson
email s/knute/nospam/

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No, no password field. I'm just trying to be able to type into a
textbox, and then automatically (1) store the text that was typed and
(2) clear the text.
.

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