Example usage for javax.swing.event DocumentEvent getDocument

Introduction

In this page you can find the example usage for javax.swing.event DocumentEvent getDocument.

Prototype

public Document getDocument();

Source Link

Document

Gets the document that sourced the change event.

Usage

From source file:Main.java

public static void main(String[] argv) throws Exception {
    JTextComponent textcomp = new JTextPane();
    textcomp.setText("Initial Text");
    textcomp.getDocument().addDocumentListener(new DocumentListener() {
        public void insertUpdate(DocumentEvent evt) {
            int off = evt.getOffset();
            System.out.println("off:" + off);
            int len = evt.getLength();
            System.out.println("len:" + len);
            try {
                String str = evt.getDocument().getText(off, len);
                System.out.println(str);
            } catch (BadLocationException e) {
            }//from   www . j a  va  2 s . c om
        }

        public void removeUpdate(DocumentEvent evt) {
            int off = evt.getOffset();
            System.out.println("off:" + off);
            int len = evt.getLength();
            System.out.println("len:" + len);
        }

        public void changedUpdate(DocumentEvent evt) {
            int off = evt.getOffset();
            System.out.println("off:" + off);
            int len = evt.getLength();
            System.out.println("len:" + len);
        }
    });
}

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From source file:AddingDocumentListenerJTextFieldSample.java

public static void main(String args[]) {
    final JFrame frame = new JFrame("Default Example");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    JTextField textField = new JTextField();
    frame.add(textField, BorderLayout.NORTH);

    DocumentListener documentListener = new DocumentListener() {
        public void changedUpdate(DocumentEvent documentEvent) {
            printIt(documentEvent);/*from www.  ja v  a 2 s.  com*/
        }

        public void insertUpdate(DocumentEvent documentEvent) {
            printIt(documentEvent);
        }

        public void removeUpdate(DocumentEvent documentEvent) {
            printIt(documentEvent);
        }

        private void printIt(DocumentEvent documentEvent) {
            DocumentEvent.EventType type = documentEvent.getType();
            String typeString = null;
            if (type.equals(DocumentEvent.EventType.CHANGE)) {
                typeString = "Change";
            } else if (type.equals(DocumentEvent.EventType.INSERT)) {
                typeString = "Insert";
            } else if (type.equals(DocumentEvent.EventType.REMOVE)) {
                typeString = "Remove";
            }
            System.out.print("Type : " + typeString);
            Document source = documentEvent.getDocument();
            int length = source.getLength();
            System.out.println("Length: " + length);
        }
    };
    textField.getDocument().addDocumentListener(documentListener);

    frame.setSize(250, 150);
    frame.setVisible(true);
}

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From source file:MainClass.java

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

    JTextField nameTextField = new JTextField();
    frame.add(nameTextField, BorderLayout.NORTH);
    frame.add(new JTextField(), BorderLayout.SOUTH);

    DocumentListener documentListener = new DocumentListener() {
        public void changedUpdate(DocumentEvent documentEvent) {
            printIt(documentEvent);/* ww  w  .  j  a  v a  2 s  . c o m*/
        }

        public void insertUpdate(DocumentEvent documentEvent) {
            printIt(documentEvent);
        }

        public void removeUpdate(DocumentEvent documentEvent) {
            printIt(documentEvent);
        }

        private void printIt(DocumentEvent documentEvent) {
            DocumentEvent.EventType type = documentEvent.getType();
            String typeString = null;
            if (type.equals(DocumentEvent.EventType.CHANGE)) {
                typeString = "Change";
            } else if (type.equals(DocumentEvent.EventType.INSERT)) {
                typeString = "Insert";
            } else if (type.equals(DocumentEvent.EventType.REMOVE)) {
                typeString = "Remove";
            }
            System.out.print("Type  :   " + typeString + " / ");
            Document source = documentEvent.getDocument();
            int length = source.getLength();
            try {
                System.out.println("Contents: " + source.getText(0, length));
            } catch (BadLocationException badLocationException) {
                System.out.println("Contents: Unknown");
            }
        }
    };
    nameTextField.getDocument().addDocumentListener(documentListener);

    frame.setSize(250, 100);
    frame.setVisible(true);
}

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From source file:JTextFieldSample.java

public static void main(String args[]) {
    String title = (args.length == 0 ? "TextField Listener Example" : args[0]);
    JFrame frame = new JFrame(title);
    Container content = frame.getContentPane();

    JPanel namePanel = new JPanel(new BorderLayout());
    JLabel nameLabel = new JLabel("Name: ");
    nameLabel.setDisplayedMnemonic(KeyEvent.VK_N);
    JTextField nameTextField = new JTextField();
    nameLabel.setLabelFor(nameTextField);
    namePanel.add(nameLabel, BorderLayout.WEST);
    namePanel.add(nameTextField, BorderLayout.CENTER);
    content.add(namePanel, BorderLayout.NORTH);

    JPanel cityPanel = new JPanel(new BorderLayout());
    JLabel cityLabel = new JLabel("City: ");
    cityLabel.setDisplayedMnemonic(KeyEvent.VK_C);
    JTextField cityTextField = new JTextField();
    cityLabel.setLabelFor(cityTextField);
    cityPanel.add(cityLabel, BorderLayout.WEST);
    cityPanel.add(cityTextField, BorderLayout.CENTER);
    content.add(cityPanel, BorderLayout.SOUTH);

    ActionListener actionListener = new ActionListener() {
        public void actionPerformed(ActionEvent actionEvent) {
            System.out.println("Command: " + actionEvent.getActionCommand());
        }/*ww w  . jav  a 2 s .c  om*/
    };
    nameTextField.setActionCommand("Yo");
    nameTextField.addActionListener(actionListener);
    cityTextField.addActionListener(actionListener);

    KeyListener keyListener = new KeyListener() {
        public void keyPressed(KeyEvent keyEvent) {
            printIt("Pressed", keyEvent);
        }

        public void keyReleased(KeyEvent keyEvent) {
            printIt("Released", keyEvent);
        }

        public void keyTyped(KeyEvent keyEvent) {
            printIt("Typed", keyEvent);
        }

        private void printIt(String title, KeyEvent keyEvent) {
            int keyCode = keyEvent.getKeyCode();
            String keyText = KeyEvent.getKeyText(keyCode);
            System.out.println(title + " : " + keyText + " / " + keyEvent.getKeyChar());
        }
    };
    nameTextField.addKeyListener(keyListener);
    cityTextField.addKeyListener(keyListener);

    InputVerifier verifier = new InputVerifier() {
        public boolean verify(JComponent input) {
            final JTextComponent source = (JTextComponent) input;
            String text = source.getText();
            if ((text.length() != 0) && !(text.equals("Exit"))) {
                Runnable runnable = new Runnable() {
                    public void run() {
                        JOptionPane.showMessageDialog(source, "Can't leave.", "Error Dialog",
                                JOptionPane.ERROR_MESSAGE);
                    }
                };
                SwingUtilities.invokeLater(runnable);
                return false;
            } else {
                return true;
            }
        }
    };
    nameTextField.setInputVerifier(verifier);
    cityTextField.setInputVerifier(verifier);

    DocumentListener documentListener = new DocumentListener() {
        public void changedUpdate(DocumentEvent documentEvent) {
            printIt(documentEvent);
        }

        public void insertUpdate(DocumentEvent documentEvent) {
            printIt(documentEvent);
        }

        public void removeUpdate(DocumentEvent documentEvent) {
            printIt(documentEvent);
        }

        private void printIt(DocumentEvent documentEvent) {
            DocumentEvent.EventType type = documentEvent.getType();
            String typeString = null;
            if (type.equals(DocumentEvent.EventType.CHANGE)) {
                typeString = "Change";
            } else if (type.equals(DocumentEvent.EventType.INSERT)) {
                typeString = "Insert";
            } else if (type.equals(DocumentEvent.EventType.REMOVE)) {
                typeString = "Remove";
            }
            System.out.print("Type  :   " + typeString + " / ");
            Document source = documentEvent.getDocument();
            int length = source.getLength();
            try {
                System.out.println("Contents: " + source.getText(0, length));
            } catch (BadLocationException badLocationException) {
                System.out.println("Contents: Unknown");
            }
        }
    };
    nameTextField.getDocument().addDocumentListener(documentListener);
    cityTextField.getDocument().addDocumentListener(documentListener);

    frame.setSize(250, 150);
    frame.setVisible(true);
}

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From source file:Main.java

public void disableIfEmpty(DocumentEvent e) {
    button.setEnabled(e.getDocument().getLength() > 0);
}

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From source file:MyDocumentListener.java

public void updateLog(DocumentEvent e, String action) {
    Document doc = (Document) e.getDocument();
    int changeLength = e.getLength();
    System.out.println(changeLength + " character" + ((changeLength == 1) ? " " : "s ") + action + " "
            + doc.getProperty("name") + "." + newline + "  Text length = " + doc.getLength() + newline);
}

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From source file:Main.java

public Main() {
    listener = new DocumentListener() {
        Document source = null;//  w  w w.  ja  v a  2s  . co  m

        protected void update(Document doc) {
            if (source == null) {
                System.out.println("Update");
                source = doc;
                if (source.equals(input.getDocument())) {
                    input2.setText(input.getText());
                } else if (source.equals(input2.getDocument())) {
                    input.setText(input2.getText());
                }
                source = null;
            }
        }

        @Override
        public void insertUpdate(DocumentEvent e) {
            update(e.getDocument());
        }

        @Override
        public void removeUpdate(DocumentEvent e) {
            update(e.getDocument());
        }

        @Override
        public void changedUpdate(DocumentEvent e) {
            update(e.getDocument());
        }
    };

    input.getDocument().addDocumentListener(listener);
    input2.getDocument().addDocumentListener(listener);

    input.setColumns(4);
    input2.setColumns(4);

    input.setValue(0.0);
    JPanel panel = new JPanel();
    panel.add(input);
    panel.add(input2);

    JOptionPane.showMessageDialog(null, panel);
}

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From source file:com.croer.javaorange.diviner.SimpleOrangeTextPane.java

protected void fireText(DocumentEvent e) {
    Document document = e.getDocument();
    String text = "";
    try {//from w  ww. j av  a  2 s. c  o  m
        text = document.getText(0, document.getLength());
    } catch (BadLocationException ex) {
        Logger.getLogger(SimpleOrangeTextPane.class.getName()).log(Level.SEVERE, null, ex);
    }
    firePropertyChange("text", null, text);
}

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From source file:LiveParenMatcher.java

public void insertUpdate_3(DocumentEvent de) {
    Document doc = de.getDocument();
    int offset = de.getOffset();
    int length = de.getLength();
    Segment seg = new Segment();
    try {//from ww  w. j av  a2  s .  c  om
        doc.getText(offset, length, seg); // text placed in Segment
    } catch (BadLocationException ble) {
    }

    // iterate through the Segment
    for (char ch = seg.first(); ch != seg.DONE; ch = seg.next())
        if (ch == '(' || ch == '[' || ch == '{' || ch == ')' || ch == ']' || ch == '}') {
            SwingUtilities.invokeLater(this); // will call run()
            return; // no need to check further
        }
}

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From source file:LiveParenMatcher.java

public void insertUpdate_2(DocumentEvent de) {
    Document doc = de.getDocument();
    int offset = de.getOffset();
    int length = de.getLength();
    String inserted = "";
    try {// w  w  w .java  2  s . c om
        inserted = doc.getText(offset, length);
    } catch (BadLocationException ble) {
    }

    for (int j = 0; j < inserted.length(); j += 1) {
        char ch = inserted.charAt(j);
        if (ch == '(' || ch == '[' || ch == '{' || ch == ')' || ch == ']' || ch == '}') {
            SwingUtilities.invokeLater(this); // will call run()
            return; // no need to check further
        }
    }
}

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