Example usage for javax.swing.event DocumentEvent getLength

Introduction

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

Prototype

public int getLength();

Source Link

Document

Returns the length of the change.

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 w  ww.  j a  v a 2s  .c o m
        }

        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);
        }
    });
}

---

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);
}

---

From source file:ListenerSample.java

public void printInfo(DocumentEvent documentEvent) {
    System.out.println("Offset: " + documentEvent.getOffset());
    System.out.println("Length: " + documentEvent.getLength());
    DocumentEvent.EventType type = documentEvent.getType();
    String typeString = null;//ww w  . j  av a  2s .co  m
    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.println("Type  : " + typeString);
    Document documentSource = documentEvent.getDocument();
    Element rootElement = documentSource.getDefaultRootElement();
    DocumentEvent.ElementChange change = documentEvent.getChange(rootElement);
    System.out.println("Change: " + change);
}

---

From source file:TextAreaDemo.java

public void insertUpdate(DocumentEvent ev) {
    if (ev.getLength() != 1) {
        return;/* w w  w .ja v a 2  s.c  o  m*/
    }

    int pos = ev.getOffset();
    String content = null;
    try {
        content = textArea.getText(0, pos + 1);
    } catch (BadLocationException e) {
        e.printStackTrace();
    }

    // Find where the word starts
    int w;
    for (w = pos; w >= 0; w--) {
        if (!Character.isLetter(content.charAt(w))) {
            break;
        }
    }
    if (pos - w < 2) {
        // Too few chars
        return;
    }

    String prefix = content.substring(w + 1).toLowerCase();
    int n = Collections.binarySearch(words, prefix);
    if (n < 0 && -n <= words.size()) {
        String match = words.get(-n - 1);
        if (match.startsWith(prefix)) {
            // A completion is found
            String completion = match.substring(pos - w);
            // We cannot modify Document from within notification,
            // so we submit a task that does the change later
            SwingUtilities.invokeLater(new CompletionTask(completion, pos + 1));
        }
    } else {
        // Nothing found
        mode = Mode.INSERT;
    }
}

---

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 {/*  w w  w .j a v a  2s  .c o  m*/
        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
        }
}

---

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 {/*from ww  w  . j  a v  a  2s.  c  o m*/
        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
        }
    }
}

---

From source file:musiccrawler.App.java

@Override
public void insertUpdate(DocumentEvent e) {
    if (e.getLength() > 0) {
        lblError.setText(Constant.EMPTY);
    }
}

---

From source file:Console.java

public synchronized void insertUpdate(DocumentEvent e) {
    int len = e.getLength();
    int off = e.getOffset();
    if (outputMark > off) {
        outputMark += len;/*from w  ww.j a  va  2 s.  c  o m*/
    }
}

---

From source file:Console.java

public synchronized void removeUpdate(DocumentEvent e) {
    int len = e.getLength();
    int off = e.getOffset();
    if (outputMark > off) {
        if (outputMark >= off + len) {
            outputMark -= len;/*www.ja  va  2 s.c o m*/
        } else {
            outputMark = off;
        }
    }
}

---

From source file:Main.java

private void initComponents() {
    JFrame frame = new JFrame();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    JTextPane textPane = new JTextPane();
    ((AbstractDocument) textPane.getDocument()).addDocumentListener(new DocumentListener() {
        @Override/*from  w  w  w .  j a va  2s  . c o m*/
        public void insertUpdate(final DocumentEvent de) {
            SwingUtilities.invokeLater(new Runnable() {
                public void run() {
                    try {
                        StyledDocument doc = (StyledDocument) de.getDocument();
                        int start = Utilities.getRowStart(textPane, Math.max(0, de.getOffset() - 1));
                        int end = Utilities.getWordStart(textPane, de.getOffset() + de.getLength());

                        String text = doc.getText(start, end - start);

                        for (String emoticon : imageTokens) {
                            int i = text.indexOf(emoticon);
                            while (i >= 0) {
                                final SimpleAttributeSet attrs = new SimpleAttributeSet(
                                        doc.getCharacterElement(start + i).getAttributes());
                                if (StyleConstants.getIcon(attrs) == null) {
                                    switch (emoticon) {
                                    case imageToken:
                                        StyleConstants.setIcon(attrs, anImage);
                                        break;
                                    }
                                    doc.remove(start + i, emoticon.length());
                                    doc.insertString(start + i, emoticon, attrs);
                                }
                                i = text.indexOf(emoticon, i + emoticon.length());
                            }
                        }
                    } catch (BadLocationException ex) {
                        ex.printStackTrace();
                    }
                }
            });
        }

        @Override
        public void removeUpdate(DocumentEvent e) {
        }

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

    JScrollPane scrollPane = new JScrollPane(textPane);
    scrollPane.setPreferredSize(new Dimension(300, 300));
    frame.add(scrollPane);
    frame.pack();
    frame.setVisible(true);
}

---

• «
• 1
• 2
• »