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:Main.java

public TestPane() {
    setLayout(new BorderLayout());
    JPanel searchPane = new JPanel();
    searchPane.add(new JLabel("Find: "));

    searchPane.add(findText);//from w w  w  . j  a  va 2s.c o m

    add(searchPane, BorderLayout.NORTH);
    add(new JScrollPane(ta));

    try (BufferedReader reader = new BufferedReader(new FileReader(new File("c:/Java_Dev/run.bat")))) {
        ta.read(reader, "Text");
    } catch (Exception e) {
        e.printStackTrace();
    }
    ta.setCaretPosition(0);

    keyTimer = new Timer(250, new ActionListener() {
        @Override
        public void actionPerformed(ActionEvent e) {
            String find = findText.getText();
            Document document = ta.getDocument();
            try {
                for (int index = 0; index + find.length() < document.getLength(); index++) {
                    String match = document.getText(index, find.length());
                    if (find.equals(match)) {
                        DefaultHighlighter.DefaultHighlightPainter highlightPainter = new DefaultHighlighter.DefaultHighlightPainter(
                                Color.YELLOW);
                        ta.getHighlighter().addHighlight(index, index + find.length(), highlightPainter);
                    }
                }
            } catch (BadLocationException exp) {
                exp.printStackTrace();
            }
        }
    });
    keyTimer.setRepeats(false);

    findText.getDocument().addDocumentListener(new DocumentListener() {
        @Override
        public void insertUpdate(DocumentEvent e) {
            keyTimer.restart();
        }

        @Override
        public void removeUpdate(DocumentEvent e) {
            keyTimer.restart();
        }

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

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From source file:Main.java

public int search(String word) {
    int firstOffset = -1;
    Highlighter highlighter = comp.getHighlighter();
    Highlighter.Highlight[] highlights = highlighter.getHighlights();
    for (int i = 0; i < highlights.length; i++) {
        Highlighter.Highlight h = highlights[i];
        if (h.getPainter() instanceof UnderlineHighlightPainter) {
            highlighter.removeHighlight(h);
        }// www  . ja va  2 s  .  c o  m
    }
    if (word == null || word.equals("")) {
        return -1;
    }
    String content = null;
    try {
        Document d = comp.getDocument();
        content = d.getText(0, d.getLength()).toLowerCase();
    } catch (BadLocationException e) {
        return -1;
    }
    word = word.toLowerCase();
    int lastIndex = 0;
    int wordSize = word.length();
    while ((lastIndex = content.indexOf(word, lastIndex)) != -1) {
        int endIndex = lastIndex + wordSize;
        try {
            highlighter.addHighlight(lastIndex, endIndex, painter);
        } catch (BadLocationException e) {
        }
        if (firstOffset == -1) {
            firstOffset = lastIndex;
        }
        lastIndex = endIndex;
    }
    return firstOffset;
}

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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:com.ansorgit.plugins.bash.editor.inspections.inspections.FixShebangInspection.java

private void updateShebangLines(DocumentEvent documentEvent) {
    validShebangCommands.clear();//from w  ww  .ja v a  2 s.c  o  m
    try {
        Document doc = documentEvent.getDocument();
        for (String item : doc.getText(0, doc.getLength()).split("\n")) {
            if (item.trim().length() != 0) {
                validShebangCommands.add(item);
            }
        }
    } catch (BadLocationException e) {
        throw new RuntimeException("Could not save shebang inspection settings input", e);
    }
}

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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 {//w w  w . j a v  a 2 s  .  co  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:de.unentscheidbar.validation.swing.trigger.DocumentChangeTriggerTest.java

@Override
protected void provokeTrigger(Iterable<JTextComponent> components) {

    for (final JTextComponent c : components) {
        runInEdt(new Callable<Void>() {

            @Override/*from   w  ww  . j a v  a2s  . c o  m*/
            public Void call() throws Exception {

                Document doc = c.getDocument();
                switch (rnd.nextInt(3)) {
                case 0:
                    doc.remove(doc.getStartPosition().getOffset(), doc.getLength() / 2);
                    break;
                case 1:
                    doc.insertString(rnd.nextInt(Math.max(1, doc.getStartPosition().getOffset())),
                            RandomStringUtils.randomAlphanumeric(1 + rnd.nextInt(10)), null);
                    break;
                case 2:
                    c.setText(UUID.randomUUID().toString());
                    break;
                default:
                    Assert.fail();
                }
                return null;
            }
        });

    }
    drainEventQueue();
}

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From source file:com.adito.upgrade.GUIUpgrader.java

void appendString(String message, Color c) {
    Document doc = console.getDocument();
    if (doc.getLength() != 0) {
        message = "\n" + message;
    }//from  w w w .  ja v  a  2 s  .  c o m
    SimpleAttributeSet attr = new SimpleAttributeSet();
    StyleConstants.setForeground(attr, c);
    try {
        doc.insertString(doc.getLength(), message, attr);
    } catch (Exception e) {
    }
    console.setCaretPosition(doc.getLength());
    console.scrollRectToVisible(console.getVisibleRect());
}

---

From source file:EditorPaneExample6.java

public EditorPaneExample6() {
    super("JEditorPane Example 6");

    pane = new JEditorPane();
    pane.setEditable(false); // Start read-only
    getContentPane().add(new JScrollPane(pane), "Center");

    // Build the panel of controls
    JPanel panel = new JPanel();

    panel.setLayout(new GridBagLayout());
    GridBagConstraints c = new GridBagConstraints();
    c.gridwidth = 1;/*from  w  ww. ja v  a 2  s .  c o m*/
    c.gridheight = 1;
    c.anchor = GridBagConstraints.EAST;
    c.fill = GridBagConstraints.NONE;
    c.weightx = 0.0;
    c.weighty = 0.0;

    JLabel urlLabel = new JLabel("File name: ", JLabel.RIGHT);
    panel.add(urlLabel, c);
    JLabel loadingLabel = new JLabel("State: ", JLabel.RIGHT);
    c.gridy = 1;
    panel.add(loadingLabel, c);
    JLabel typeLabel = new JLabel("Type: ", JLabel.RIGHT);
    c.gridy = 2;
    panel.add(typeLabel, c);

    c.gridx = 1;
    c.gridy = 0;
    c.gridwidth = 1;
    c.weightx = 1.0;
    c.fill = GridBagConstraints.HORIZONTAL;

    textField = new JTextField(32);
    panel.add(textField, c);
    loadingState = new JLabel(spaces, JLabel.LEFT);
    loadingState.setForeground(Color.black);
    c.gridy = 1;
    c.gridwidth = 2;
    panel.add(loadingState, c);
    loadedType = new JLabel(spaces, JLabel.LEFT);
    loadedType.setForeground(Color.black);
    c.gridy = 2;
    panel.add(loadedType, c);

    // Add a "Save" button
    saveButton = new JButton("Save");
    saveButton.setEnabled(false);
    c.gridwidth = 1;
    c.gridx = 2;
    c.gridy = 0;
    c.weightx = 0.0;
    panel.add(saveButton, c);

    getContentPane().add(panel, "South");

    // Change page based on text field
    textField.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent evt) {
            String fileName = textField.getText().trim();
            file = new File(fileName);
            absolutePath = file.getAbsolutePath();
            String url = "file:///" + absolutePath;

            try {
                // Check if the new page and the old
                // page are the same.
                URL newURL = new URL(url);
                URL loadedURL = pane.getPage();
                if (loadedURL != null && loadedURL.sameFile(newURL)) {
                    return;
                }

                // Try to display the page
                textField.setEnabled(false); // Disable input
                textField.paintImmediately(0, 0, textField.getSize().width, textField.getSize().height);

                saveButton.setEnabled(false);
                saveButton.paintImmediately(0, 0, saveButton.getSize().width, saveButton.getSize().height);
                setCursor(Cursor.getPredefinedCursor(Cursor.WAIT_CURSOR));
                // Busy cursor
                loadingState.setText("Loading...");
                loadingState.paintImmediately(0, 0, loadingState.getSize().width,
                        loadingState.getSize().height);
                loadedType.setText("");
                loadedType.paintImmediately(0, 0, loadedType.getSize().width, loadedType.getSize().height);
                pane.setEditable(false);
                pane.setPage(url);

                loadedType.setText(pane.getContentType());
            } catch (Exception e) {
                JOptionPane.showMessageDialog(pane, new String[] { "Unable to open file", url },
                        "File Open Error", JOptionPane.ERROR_MESSAGE);
                loadingState.setText("Failed");
                textField.setEnabled(true);
                setCursor(Cursor.getDefaultCursor());
            }
        }
    });

    // Listen for page load to complete
    pane.addPropertyChangeListener(new PropertyChangeListener() {
        public void propertyChange(PropertyChangeEvent evt) {
            if (evt.getPropertyName().equals("page")) {
                loadingState.setText("Page loaded.");

                textField.setEnabled(true); // Allow entry of new file name
                textField.requestFocus();
                setCursor(Cursor.getDefaultCursor());

                // Allow editing and saving if appropriate
                pane.setEditable(file.canWrite());
                saveButton.setEnabled(file.canWrite());
            }
        }
    });

    // Save button
    saveButton.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent evt) {
            try {
                String type = pane.getContentType();
                OutputStream os = new BufferedOutputStream(new FileOutputStream(file + ".save"));
                pane.setEditable(false);
                textField.setEnabled(false);
                saveButton.setEnabled(false);
                setCursor(Cursor.getPredefinedCursor(Cursor.WAIT_CURSOR));

                Document doc = pane.getDocument();
                int length = doc.getLength();
                if (type.endsWith("/rtf")) {
                    // Saving RTF - use the OutputStream
                    try {
                        pane.getEditorKit().write(os, doc, 0, length);
                        os.close();
                    } catch (BadLocationException ex) {
                    }
                } else {
                    // Not RTF - use a Writer.
                    Writer w = new OutputStreamWriter(os);
                    pane.write(w);
                    w.close();
                }
            } catch (IOException e) {
                JOptionPane.showMessageDialog(pane,
                        new String[] { "Unable to save file", file.getAbsolutePath(), }, "File Save Error",
                        JOptionPane.ERROR_MESSAGE);

            }
            pane.setEditable(file.canWrite());
            textField.setEnabled(true);
            saveButton.setEnabled(file.canWrite());
            setCursor(Cursor.getDefaultCursor());
        }
    });
}

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From source file:com.mindcognition.mindraider.ui.swing.concept.annotation.renderer.AbstractTextAnnotationRenderer.java

/**
 * Search annotation from the current carret position.
 *///from  www. j  a  va  2s  . c o  m
public void searchAnnotation(String searchString, boolean again) {
    logger.debug("searchAnnotation() " + searchString); // {{debug}}
    JTextComponent textComponent;
    if (inViewMode()) {
        textComponent = viewer;
        logger.debug("Searching viewer..."); // {{debug}}
    } else {
        textComponent = editor;
        logger.debug("Searching editor..."); // {{debug}}
    }

    if (!again) {
        textComponent.setCaretPosition(0);
    }

    if (searchString != null && searchString.length() > 0) {
        Document document = textComponent.getDocument();
        try {
            int idx = textComponent.getDocument().getText(0, document.getLength()).indexOf(searchString,
                    textComponent.getCaretPosition());
            if (idx < 0) {
                // try it from the beginning
                idx = textComponent.getDocument().getText(0, document.getLength()).indexOf(searchString);
            } else if (idx > 0) {
                textComponent.setCaretPosition(idx);
                textComponent.requestFocus();
                textComponent.select(idx, idx + searchString.length());
            }
        } catch (Exception e) {
            // TODO no bundle!
            logger.debug(Messages.getString("ConceptJPanel.unableToSearch", e.getMessage()));
        }
    }
}

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From source file:Console.java

void returnPressed() {
    Document doc = getDocument();
    int len = doc.getLength();
    Segment segment = new Segment();
    try {//from  w  w w.j av a2 s .c  o m
        synchronized (doc) {
            doc.getText(outputMark, len - outputMark, segment);
        }
    } catch (javax.swing.text.BadLocationException ignored) {
        ignored.printStackTrace();
    }
    if (segment.count > 0) {
        history.addElement(segment.toString());
    }
    historyIndex = history.size();
    inPipe.write(segment.array, segment.offset, segment.count);
    append("\n");
    synchronized (doc) {
        outputMark = doc.getLength();
    }
    inPipe.write("\n");
    inPipe.flush();
    console1.flush();
}

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