Example usage for javax.swing.text Document 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:HTML.java

/**
 * Utility method to convert HTML to text.
 * @param html The string containing HTML.
 * @return a String containing the derived text .
 *//*w ww .java 2 s.c  o  m*/
public static final String html2text(String html) {
    EditorKit kit = new HTMLEditorKit();
    Document doc = kit.createDefaultDocument();
    doc.putProperty("IgnoreCharsetDirective", Boolean.TRUE);
    try {
        Reader reader = new StringReader(html);
        kit.read(reader, doc, 0);
        return doc.getText(0, doc.getLength());
    } catch (Exception e) {

        return "";
    }
}

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From source file:MainClass.java

protected void append(String s, AttributeSet attributes) {
    Document d = textPane.getDocument();
    try {/*from  www  . ja v  a  2 s  .  c  o  m*/
        d.insertString(d.getLength(), s, attributes);
    } catch (BadLocationException ble) {
    }
}

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From source file:Main.java

public Main() {
    textField.setText("Hit Enter to Add Text to Text Pane");
    getContentPane().add(textField, BorderLayout.NORTH);
    textField.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
            try {
                Document doc = textPane.getDocument();
                doc.insertString(doc.getLength(), " " + textField.getText(), null);
                textField.setText("");//clear
                Dimension d = textPane.getPreferredSize();
                Rectangle r = textPane.modelToView(textPane.getDocument().getLength());
                d.height = r.y + r.height;
                textPane.setPreferredSize(d);
                getContentPane().validate();
            } catch (Exception e2) {
            }/*from  w ww.  ja  v a  2 s  . co  m*/
        }
    });

    JPanel south = new JPanel();
    textPane = new JTextPane();
    textPane.setText("Some \ntext");
    textPane.setEditable(false);
    textPane.setPreferredSize(new Dimension(120, 23));

    south.add(textPane);
    getContentPane().add(south, BorderLayout.SOUTH);
}

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From source file:MainClass.java

public void remove(DocumentFilter.FilterBypass fb, int offset, int length) throws BadLocationException {

    Document doc = fb.getDocument();
    int currentLength = doc.getLength();
    String currentContent = doc.getText(0, currentLength);
    String before = currentContent.substring(0, offset);
    String after = currentContent.substring(length + offset, currentLength);
    String newValue = before + after;
    currentValue = checkInput(newValue, offset);
    fb.remove(offset, length);/*from   w ww. ja  va  2  s  . c om*/
}

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From source file:MainClass.java

public void replace(DocumentFilter.FilterBypass fb, int offset, int length, String text, AttributeSet attrs)
        throws BadLocationException {

    Document doc = fb.getDocument();
    int currentLength = doc.getLength();
    String currentContent = doc.getText(0, currentLength);
    String before = currentContent.substring(0, offset);
    String after = currentContent.substring(length + offset, currentLength);
    String newValue = before + (text == null ? "" : text) + after;
    currentValue = checkInput(newValue, offset);
    fb.replace(offset, length, text, attrs);
}

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From source file:MainClass.java

public void insertString(DocumentFilter.FilterBypass fb, int offset, String string, AttributeSet attr)
        throws BadLocationException {

    if (string == null) {
        return;// ww w .  j  a v a  2 s. c  o  m
    } else {
        String newValue;
        Document doc = fb.getDocument();
        int length = doc.getLength();
        if (length == 0) {
            newValue = string;
        } else {
            String currentContent = doc.getText(0, length);
            StringBuffer currentBuffer = new StringBuffer(currentContent);
            currentBuffer.insert(offset, string);
            newValue = currentBuffer.toString();
        }
        currentValue = checkInput(newValue, offset);
        fb.insertString(offset, string, attr);
    }
}

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From source file:Main.java

public void highLight(JTextComponent component, String patteren) {
    try {//from   w  w  w. jav a 2s  .  c  om
        Document doc = component.getDocument();
        String text = component.getText(0, doc.getLength());
        int pos = component.getCaretPosition();
        if (pos == doc.getLength()) {
            pos = 0;
        }
        int index = text.toUpperCase().indexOf(patteren.toUpperCase(), pos);
        if (index >= 0) {
            component.setSelectionStart(index);
            component.setSelectionEnd(index + patteren.length());
            component.getCaret().setSelectionVisible(true);
        }
    } catch (Exception e) {
        e.printStackTrace();
    }
}

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From source file:Main.java

public Main() {
    editorPane.setDocument(doc);/*from   ww  w. j  av  a2  s.c  om*/
    editorPane.setEditorKit(styledEditorKit);
    JScrollPane scrollpane = new JScrollPane(editorPane);
    scrollpane.setPreferredSize(new Dimension(500, 400));
    JPanel comboPanel = new JPanel();
    comboPanel.add(fontBox);

    setLayout(new BorderLayout());
    add(scrollpane, BorderLayout.CENTER);
    add(comboPanel, BorderLayout.SOUTH);

    Document doc = editorPane.getDocument();
    for (int i = 0; i < 20; i++) {
        int offset = doc.getLength();
        String str = "This is line number: " + i + "\n";
        try {
            doc.insertString(offset, str, null);
        } catch (BadLocationException e) {
            e.printStackTrace();
        }
    }

    fontBox.addActionListener(e -> {
        int size = (Integer) fontBox.getSelectedItem();
        Action fontAction = new StyledEditorKit.FontSizeAction(String.valueOf(size), size);
        fontAction.actionPerformed(e);
    });
}

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From source file:AppendingTextPane.java

public void appendText(String text) {
    try {/*w w w.j  a v  a2s. c om*/
        Document doc = getDocument();

        // Move the insertion point to the end
        setCaretPosition(doc.getLength());

        // Insert the text
        replaceSelection(text);

        // Convert the new end location
        // to view co-ordinates
        Rectangle r = modelToView(doc.getLength());

        // Finally, scroll so that the new text is visible
        if (r != null) {
            scrollRectToVisible(r);
        }
    } catch (BadLocationException e) {
        System.out.println("Failed to append text: " + e);
    }
}

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From source file:hr.fer.zemris.vhdllab.view.LogHistoryView.java

private void setupLogAppender(final JTextPane textPane) {
    Logger.getRootLogger().addAppender(new AppenderSkeleton() {
        @Override/* www.java 2s.co m*/
        protected void append(LoggingEvent event) {
            if (!event.getLevel().equals(Level.INFO)) {
                return;
            }

            StringBuilder sb = new StringBuilder();
            String time = DateFormatUtils.ISO_TIME_NO_T_FORMAT.format(event.timeStamp);
            sb.append(time).append("  ").append(event.getMessage());

            Document document = textPane.getDocument();
            int documentLength = document.getLength();
            try {
                document.insertString(documentLength, sb.toString() + "\n", null);
            } catch (BadLocationException e) {
                throw new IllegalStateException(e);
            }
            // scroll to end of document
            textPane.setCaretPosition(documentLength);
        }

        @Override
        public boolean requiresLayout() {
            return false;
        }

        @Override
        public void close() {
        }
    });
}

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