Example usage for javax.swing.text Document remove

Introduction

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

Prototype

public void remove(int offs, int len) throws BadLocationException;

Source Link

Document

Removes a portion of the content of 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();

    // Delete the first 5 characters
    int pos = 0;/*from   www.  j a v a 2  s. c om*/
    int len = 5;
    doc.remove(pos, len);
}

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From source file:Main.java

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

    // Replace the first 3 characters with some text
    int pos = 0;/*from w  ww. j av a2 s  .co  m*/
    int len = 3;
    doc.remove(pos, len);
    doc.insertString(pos, "new text", null);
}

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From source file:Main.java

public static void main(String[] argv) throws Exception {
    JTextArea comp = new JTextArea();
    String actionName = "Lowercase";

    JFrame f = new JFrame();
    f.add(new JScrollPane(comp));
    f.setSize(300, 300);//  w  w  w  .j a  v a  2s . co  m
    f.setVisible(true);
    comp.getInputMap().put(KeyStroke.getKeyStroke("F2"), actionName);

    comp.getActionMap().put(actionName, new TextAction(actionName) {
        public void actionPerformed(ActionEvent evt) {
            JTextComponent comp = getTextComponent(evt);

            if (comp.getSelectionStart() == comp.getSelectionEnd()) {
                if (comp.getCaretPosition() < comp.getDocument().getLength()) {
                    try {
                        int pos = comp.getCaretPosition();
                        Document doc = comp.getDocument();
                        String str = doc.getText(pos, 1).toLowerCase();

                        doc.remove(pos, 1);
                        doc.insertString(pos, str, null);
                        comp.moveCaretPosition(pos + 1);
                    } catch (Exception e) {
                        System.out.println();
                    }
                }
            } else {
                int s = comp.getSelectionStart();
                int e = comp.getSelectionEnd();

                comp.replaceSelection(comp.getSelectedText().toLowerCase());
                comp.select(s, e);
            }
        }
    });
}

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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//w  ww. j a va 2 s  .  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:dmh.swing.huxley.action.InsertHeadingAction.java

@Override
public int manipulateText(Document document, int start, int end) {
    try {/*ww w  .  j  a va2s .c  om*/
        final int offset = start;
        final int length = end - start;

        // Extract the selected text.
        String title = StringUtils.trimToEmpty(document.getText(offset, length));
        document.remove(offset, length);

        // Add the header.
        String bar = StringUtils.repeat(token, 40);
        String insertText = "\n " + title + "\n" + bar + "\n";
        document.insertString(offset, insertText, null);

        // Return the caret position.
        return start + ("".equals(title) ? 2 : insertText.length());
    } catch (BadLocationException e) {
        // This indicates a programming error.
        throw new RuntimeException(e);
    }
}

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From source file:dmh.swing.huxley.action.WrapTextAction.java

@Override
public int manipulateText(Document document, int start, int end) {
    try {/*from   ww  w.  java 2s  .co  m*/
        final int offset = start;
        final int length = end - start;

        // Extract the selected text.
        String selectedText = StringUtils.trimToEmpty(document.getText(offset, length));
        document.remove(offset, length);

        // Re-insert the text, wrapped in tokens.
        String insertText = prefixToken + selectedText + suffixToken;
        document.insertString(offset, insertText, null);

        // Return the caret position.
        return start + ("".equals(selectedText) ? 1 : insertText.length());
    } catch (BadLocationException e) {
        // This indicates a programming error.
        throw new RuntimeException(e);
    }
}

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From source file:Main.java

public void actionPerformed(ActionEvent e) {
    JTextComponent comp = getTextComponent(e);
    if (comp == null)
        return;/* w w  w.j  a  v a  2  s  .com*/
    Document doc = comp.getDocument();
    int start = comp.getSelectionStart();
    int end = comp.getSelectionEnd();
    try {
        int left = Utilities.getWordStart(comp, start);
        int right = Utilities.getWordEnd(comp, end);
        String word = doc.getText(left, right - left);
        doc.remove(left, right - left);
        doc.insertString(left, word.toUpperCase(), null);
        comp.setSelectionStart(start);
        comp.setSelectionEnd(end);
    } catch (Exception ble) {
        return;
    }
}

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From source file:Main.java

public void actionPerformed(ActionEvent e) {
    JTextComponent comp = getTextComponent(e);
    if (comp == null)
        return;//  w  w w . j  a v a2s.  co m
    Document doc = comp.getDocument();
    int start = comp.getSelectionStart();
    int end = comp.getSelectionEnd();
    try {
        int left = Utilities.getWordStart(comp, start);
        int right = Utilities.getWordEnd(comp, end);
        String word = doc.getText(left, right - left);
        doc.remove(left, right - left);
        doc.insertString(left, word.toUpperCase(), null);
        comp.setSelectionStart(start);
        comp.setSelectionEnd(end);
    } catch (BadLocationException ble) {
        return;
    }
}

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From source file:KeymapExample.java

public void actionPerformed(ActionEvent e) {
    JTextComponent comp = getTextComponent(e);
    if (comp == null)
        return;/*from ww  w.  j  a v  a2 s  .c  o  m*/
    Document doc = comp.getDocument();
    int start = comp.getSelectionStart();
    int end = comp.getSelectionEnd();
    try {
        int left = javax.swing.text.Utilities.getWordStart(comp, start);
        int right = javax.swing.text.Utilities.getWordEnd(comp, end);
        String word = doc.getText(left, right - left);
        doc.remove(left, right - left);
        doc.insertString(left, word.toUpperCase(), null);
        comp.setSelectionStart(start);
        comp.setSelectionEnd(end);
    } catch (BadLocationException ble) {
        return;
    }
}

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From source file:de.huxhorn.lilith.swing.preferences.PreferencesDialog.java

public void editDetailsFormatter() {
    Console console = new Console();
    File messageViewRoot = applicationPreferences.getDetailsViewRoot();
    File messageViewGroovyFile = new File(messageViewRoot, ApplicationPreferences.DETAILS_VIEW_GROOVY_FILENAME);

    EventWrapper<LoggingEvent> eventWrapper = new EventWrapper<>(
            new SourceIdentifier("identifier", "secondaryIdentifier"), 17, new LoggingEvent());
    console.setVariable("eventWrapper", eventWrapper);

    console.setCurrentFileChooserDir(messageViewRoot);
    String text = "";
    if (!messageViewGroovyFile.isFile()) {
        applicationPreferences.initDetailsViewRoot(true);
    }/*  w ww . j a v  a  2s. co m*/
    if (messageViewGroovyFile.isFile()) {
        InputStream is;
        try {
            is = new FileInputStream(messageViewGroovyFile);
            List lines = IOUtils.readLines(is, StandardCharsets.UTF_8);
            boolean isFirst = true;
            StringBuilder textBuffer = new StringBuilder();
            for (Object o : lines) {
                String s = (String) o;
                if (isFirst) {
                    isFirst = false;
                } else {
                    textBuffer.append("\n");
                }
                textBuffer.append(s);
            }
            text = textBuffer.toString();
        } catch (IOException e) {
            if (logger.isInfoEnabled()) {
                logger.info("Exception while reading '" + messageViewGroovyFile.getAbsolutePath() + "'.", e);
            }
        }
    } else {
        if (logger.isWarnEnabled())
            logger.warn("Failed to initialize detailsView file '{}'!", messageViewGroovyFile.getAbsolutePath());
    }
    console.run(); // initializes everything

    console.setScriptFile(messageViewGroovyFile);
    JTextPane inputArea = console.getInputArea();
    //inputArea.setText(text);
    Document doc = inputArea.getDocument();
    try {
        doc.remove(0, doc.getLength());
        doc.insertString(0, text, null);
    } catch (BadLocationException e) {
        if (logger.isWarnEnabled())
            logger.warn("Exception while setting source!", e);
    }
    console.setDirty(false);
    inputArea.setCaretPosition(0);
    inputArea.requestFocusInWindow();
}

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