Example usage for javax.swing.text Document getLength

List of usage examples for javax.swing.text Document getLength

  1. HOME
  2. Java
  3. javax
  4. javax.swing.text.*
  5. Document
  6. getLength

Introduction

In this page you can find the example usage for javax.swing.text Document getLength.

Prototype

public int getLength();

Source Link

Document

Returns number of characters of content currently in the document.

Usage

From source file:Main.java

public static void main(String[] argv) throws Exception {
    JTextComponent textComp = new JTextField("Initial Text");
    Document doc = textComp.getDocument();

    // Append some text
    doc.insertString(doc.getLength(), "some text", null);
}

From source file:Main.java

public static void main(String args[]) throws BadLocationException {
    JFrame jf = new JFrame("StyledText");
    jf.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    Container cp = jf.getContentPane();

    JTextPane pane = new JTextPane();
    SimpleAttributeSet set = new SimpleAttributeSet();
    StyleConstants.setBold(set, true);

    // Set the attributes before adding text
    pane.setCharacterAttributes(set, true);
    pane.setText("java2s.com ");

    set = new SimpleAttributeSet();
    StyleConstants.setItalic(set, true);
    StyleConstants.setForeground(set, Color.red);
    StyleConstants.setBackground(set, Color.blue);

    Document doc = pane.getStyledDocument();
    doc.insertString(doc.getLength(), "Swing ", set);

    set = new SimpleAttributeSet();
    StyleConstants.setFontSize(set, 24);

    doc.insertString(doc.getLength(), "Tutorial", set);

    JScrollPane scrollPane = new JScrollPane(pane);
    cp.add(scrollPane, BorderLayout.CENTER);

    jf.setSize(400, 300);/* w w  w  . j av a 2 s .  com*/
    jf.setVisible(true);
}

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);/*  ww  w.jav  a  2s .  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();
            System.out.println("Length: " + length);
        }
    };
    textField.getDocument().addDocumentListener(documentListener);

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

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);/*from  w ww. j  a  v a2 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);
}

From source file:Main.java

public static void highlight(JTextComponent textComp, String pattern) throws Exception {
    removeHighlights(textComp);/*from   w w w. ja v  a2s  . com*/

    Highlighter hilite = textComp.getHighlighter();
    Document doc = textComp.getDocument();
    String text = doc.getText(0, doc.getLength());
    int pos = 0;

    while ((pos = text.indexOf(pattern, pos)) >= 0) {
        hilite.addHighlight(pos, pos + pattern.length(), myHighlightPainter);
        pos += pattern.length();
    }

}

From source file:Main.java

public static String getDocumentText(final Document document) {
    try {/*from w w w.jav a 2s .c  o m*/
        return document.getText(0, document.getLength());
    } catch (BadLocationException e) {
        throw new RuntimeException(e);
    }
}

From source file:Main.java

protected static int getLineOfOffset(int offset, Document doc) throws BadLocationException {

    if (offset < 0 || doc == null) {
        throw new BadLocationException("", -1);
    } else if (offset > doc.getLength()) {
        throw new BadLocationException("", doc.getLength() + 1);
    } else {//from w w w .ja v  a 2s .co  m
        Element map = doc.getDefaultRootElement();
        return map.getElementIndex(offset);
    }
}

From source file:com.mirth.connect.server.userutil.FileUtil.java

/**
 * Converts an RTF into plain text using the Swing RTFEditorKit.
 * /*  w w w. j  a v  a  2  s  .c  o  m*/
 * @param message
 *            The RTF message to convert.
 * @param replaceLinebreaksWith
 *            If not null, any line breaks in the converted message will be replaced with this
 *            string.
 * @return The converted plain text message.
 * @throws IOException
 * @throws BadLocationException
 */
public static String rtfToPlainText(String message, String replaceLinebreaksWith)
        throws IOException, BadLocationException {

    String convertedPlainText;

    // Reading the RTF content string
    Reader in = new StringReader(message);

    // creating a default blank styled document
    DefaultStyledDocument styledDoc = new DefaultStyledDocument();

    // Creating a RTF Editor kit
    RTFEditorKit rtfKit = new RTFEditorKit();

    // Populating the contents in the blank styled document
    rtfKit.read(in, styledDoc, 0);

    // Getting the root document
    Document doc = styledDoc.getDefaultRootElement().getDocument();

    convertedPlainText = doc.getText(0, doc.getLength());
    if (replaceLinebreaksWith != null) {
        convertedPlainText = convertedPlainText.replaceAll("\\n", replaceLinebreaksWith);
    }

    return convertedPlainText;
}

From source file:TextUtilities.java

/**
 * Returns the offset of the bracket matching the one at the specified offset
 * of the document, or -1 if the bracket is unmatched (or if the character is
 * not a bracket).//from   ww  w. j  ava  2s  .com
 * 
 * @param doc
 *           The document
 * @param offset
 *           The offset
 * @exception BadLocationException
 *               If an out-of-bounds access was attempted on the document
 *               text
 */
public static int findMatchingBracket(Document doc, int offset) throws BadLocationException {
    if (doc.getLength() == 0)
        return -1;
    char c = doc.getText(offset, 1).charAt(0);
    char cprime; // c` - corresponding character
    boolean direction; // true = back, false = forward

    switch (c) {
    case '(':
        cprime = ')';
        direction = false;
        break;
    case ')':
        cprime = '(';
        direction = true;
        break;
    case '[':
        cprime = ']';
        direction = false;
        break;
    case ']':
        cprime = '[';
        direction = true;
        break;
    case '{':
        cprime = '}';
        direction = false;
        break;
    case '}':
        cprime = '{';
        direction = true;
        break;
    default:
        return -1;
    }

    int count;

    // How to merge these two cases is left as an exercise
    // for the reader.

    // Go back or forward
    if (direction) {
        // Count is 1 initially because we have already
        // `found' one closing bracket
        count = 1;

        // Get text[0,offset-1];
        String text = doc.getText(0, offset);

        // Scan backwards
        for (int i = offset - 1; i >= 0; i--) {
            // If text[i] == c, we have found another
            // closing bracket, therefore we will need
            // two opening brackets to complete the
            // match.
            char x = text.charAt(i);
            if (x == c)
                count++;

            // If text[i] == cprime, we have found a
            // opening bracket, so we return i if
            // --count == 0
            else if (x == cprime) {
                if (--count == 0)
                    return i;
            }
        }
    } else {
        // Count is 1 initially because we have already
        // `found' one opening bracket
        count = 1;

        // So we don't have to + 1 in every loop
        offset++;

        // Number of characters to check
        int len = doc.getLength() - offset;

        // Get text[offset+1,len];
        String text = doc.getText(offset, len);

        // Scan forwards
        for (int i = 0; i < len; i++) {
            // If text[i] == c, we have found another
            // opening bracket, therefore we will need
            // two closing brackets to complete the
            // match.
            char x = text.charAt(i);

            if (x == c)
                count++;

            // If text[i] == cprime, we have found an
            // closing bracket, so we return i if
            // --count == 0
            else if (x == cprime) {
                if (--count == 0)
                    return i + offset;
            }
        }
    }

    // Nothing found
    return -1;
}

From source file:com.mirth.connect.server.util.FileUtil.java

public static String rtfToPlainText(String message, String replaceLinebreaksWith)
        throws IOException, BadLocationException {

    String convertedPlainText;// ww  w .  j  a  v  a2s. c o m

    // Reading the RTF content string
    Reader in = new StringReader(message);

    // creating a default blank styled document
    DefaultStyledDocument styledDoc = new DefaultStyledDocument();

    // Creating a RTF Editor kit
    RTFEditorKit rtfKit = new RTFEditorKit();

    // Populating the contents in the blank styled document
    rtfKit.read(in, styledDoc, 0);

    // Getting the root document
    Document doc = styledDoc.getDefaultRootElement().getDocument();

    convertedPlainText = doc.getText(0, doc.getLength());
    if (replaceLinebreaksWith != null) {
        convertedPlainText = convertedPlainText.replaceAll("\\n", replaceLinebreaksWith);
    }

    return convertedPlainText;
}