Example usage for javax.swing.event CaretEvent getDot

Introduction

In this page you can find the example usage for javax.swing.event CaretEvent getDot.

Prototype

public abstract int getDot();

Source Link

Document

Fetches the location of the caret.

Usage

From source file:Main.java

public static void main(String[] argv) {
    JTextComponent textComp = new JTextArea();
    textComp.addCaretListener(new CaretListener() {
        public void caretUpdate(CaretEvent e) {

            int dot = e.getDot();
            System.out.println("dot is the caret position:" + dot);

            int mark = e.getMark();
            System.out.println("mark is the non-caret end of the selection: " + mark);
        }//from  ww w . ja  v  a  2 s . c om
    });
}

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From source file:MainClass.java

public static void main(String args[]) throws Exception {
    JFrame frame = new JFrame("Caret Example");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    JTextArea textArea = new JTextArea();
    JScrollPane scrollPane = new JScrollPane(textArea);
    frame.add(scrollPane, BorderLayout.CENTER);

    CaretListener listener = new CaretListener() {
        public void caretUpdate(CaretEvent caretEvent) {
            System.out.println("dot:" + caretEvent.getDot());
            System.out.println("mark" + caretEvent.getMark());
        }//from   w w  w . j ava  2 s  .c o m
    };

    textArea.addCaretListener(listener);

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

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From source file:Main.java

public static void main(String args[]) {
    JFrame frame = new JFrame("Caret Example");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    JTextArea textArea = new JTextArea();
    JScrollPane scrollPane = new JScrollPane(textArea);
    frame.add(scrollPane, BorderLayout.CENTER);

    CaretListener listener = new CaretListener() {
        public void caretUpdate(CaretEvent caretEvent) {
            System.out.println("Dot: " + caretEvent.getDot());
            System.out.println("Mark: " + caretEvent.getMark());
        }//w w w  . j  a  va 2 s. co m
    };

    textArea.addCaretListener(listener);

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

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From source file:CaretSample.java

public static void main(String args[]) {
    JFrame frame = new JFrame("Caret Example");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    Container content = frame.getContentPane();
    JTextArea textArea = new JTextArea();
    JScrollPane scrollPane = new JScrollPane(textArea);
    content.add(scrollPane, BorderLayout.CENTER);

    final JTextField dot = new JTextField();
    dot.setEditable(false);/* w  w w. j a  v a2 s  .  c  om*/
    JPanel dotPanel = new JPanel(new BorderLayout());
    dotPanel.add(new JLabel("Dot: "), BorderLayout.WEST);
    dotPanel.add(dot, BorderLayout.CENTER);
    content.add(dotPanel, BorderLayout.NORTH);

    final JTextField mark = new JTextField();
    mark.setEditable(false);
    JPanel markPanel = new JPanel(new BorderLayout());
    markPanel.add(new JLabel("Mark: "), BorderLayout.WEST);
    markPanel.add(mark, BorderLayout.CENTER);
    content.add(markPanel, BorderLayout.SOUTH);

    CaretListener listener = new CaretListener() {
        public void caretUpdate(CaretEvent caretEvent) {
            dot.setText("" + caretEvent.getDot());
            mark.setText("" + caretEvent.getMark());
        }
    };

    textArea.addCaretListener(listener);

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

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From source file:de.codesourcery.jasm16.ide.ui.views.SourceEditorView.java

protected void onCaretUpdate(CaretEvent e) {
    // if AST inspector is visible, make sure the current AST node is visible
    // (scroll there if it isn't)
    if (!isASTInspectorVisible()) {
        return;//w ww . j av a2 s . c o  m
    }

    final AST ast = getCurrentCompilationUnit() != null ? getCurrentCompilationUnit().getAST() : null;
    if (ast == null) {
        return;
    }

    final ASTNode n = ast.getNodeInRange(e.getDot());
    if (n != null) {
        TreePath path = new TreePath(n.getPathToRoot());
        astTree.setSelectionPath(path);
        astTree.scrollPathToVisible(path);
    }
}

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From source file:com.hexidec.ekit.EkitCore.java

/**
 * Handles caret tracking and related events, such as displaying the current
 * style of the text under the caret/*  w w  w . j av a  2  s  . c o m*/
 */
private void handleCaretPositionChange(CaretEvent ce) {
    int caretPos = ce.getDot();
    Element element = htmlDoc.getCharacterElement(caretPos);
    /*
     * //---- TAG EXPLICATOR CODE
     * -------------------------------------------
     * javax.swing.text.ElementIterator ei = new
     * javax.swing.text.ElementIterator(htmlDoc); Element ele; while((ele =
     * ei.next()) != null) { log.debug("ELEMENT : " + ele.getName()); }
     * log.debug("ELEMENT:" + element.getName()); Element elementParent =
     * element.getParentElement(); log.debug("ATTRS:"); AttributeSet attribs
     * = elementParent.getAttributes(); for(Enumeration eAttrs =
     * attribs.getAttributeNames(); eAttrs.hasMoreElements();) {
     * log.debug("  " + eAttrs.nextElement().toString()); }
     * while(elementParent != null &&
     * !elementParent.getName().equals("body")) { String parentName =
     * elementParent.getName(); log.debug("PARENT:" + parentName);
     * log.debug("ATTRS:"); attribs = elementParent.getAttributes();
     * for(Enumeration eAttr = attribs.getAttributeNames();
     * eAttr.hasMoreElements();) { log.debug("  " +
     * eAttr.nextElement().toString()); } elementParent =
     * elementParent.getParentElement(); } //---- END
     * -------------------------------------------
     */
    if (jtpMain.hasFocus()) {
        if (element == null) {
            return;
        }
        String style = null;
        Vector<Element> vcStyles = new Vector<Element>();
        while (element != null) {
            if (style == null) {
                style = findStyle(element);
            }
            vcStyles.add(element);
            element = element.getParentElement();
        }
        int stylefound = -1;
        if (style != null) {
            for (int i = 0; i < jcmbStyleSelector.getItemCount(); i++) {
                String in = (String) (jcmbStyleSelector.getItemAt(i));
                if (in.equalsIgnoreCase(style)) {
                    stylefound = i;
                    break;
                }
            }
        }
        if (stylefound > -1) {
            jcmbStyleSelector.getAction().setEnabled(false);
            jcmbStyleSelector.setSelectedIndex(stylefound);
            jcmbStyleSelector.getAction().setEnabled(true);
        } else {
            jcmbStyleSelector.setSelectedIndex(0);
        }
        // see if current font face is set
        if (jcmbFontSelector != null && jcmbFontSelector.isVisible()) {
            AttributeSet mainAttrs = jtpMain.getCharacterAttributes();
            Enumeration e = mainAttrs.getAttributeNames();
            Object activeFontName = (Object) (Translatrix.getTranslationString("SelectorToolFontsDefaultFont"));
            while (e.hasMoreElements()) {
                Object nexte = e.nextElement();
                if (nexte.toString().toLowerCase().equals("face")
                        || nexte.toString().toLowerCase().equals("font-family")) {
                    activeFontName = mainAttrs.getAttribute(nexte);
                    break;
                }
            }
            jcmbFontSelector.getAction().setEnabled(false);
            jcmbFontSelector.getModel().setSelectedItem(activeFontName);
            jcmbFontSelector.getAction().setEnabled(true);
        }
    }
}

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From source file:net.team2xh.crt.gui.editor.EditorTextPane.java

public EditorTextPane() {

    // Initialize highlighters
    lh = new LineHighlighter(Theme.getTheme().COLOR_13);
    ll = new LineHighlighter(Theme.getTheme().COLOR_14);
    wh = new WordHighlighter(Theme.getTheme().COLOR_11);
    eh = new ErrorHighlighter(Color.RED);

    // Initialise colors
    initAttributeSets();/*from   www.  ja v  a2  s .  c  o  m*/

    setOpaque(false); // Background will be drawn later on
    setFont(font);

    doc = (DefaultStyledDocument) getDocument();

    // Replace all tabs with four spaces
    // TODO: tab to next multiple of 4 column
    // TODO: tab whole selection
    // TODO: insert matching brace
    doc.setDocumentFilter(new DocumentFilter() {
        private String process(int offset, String text) {
            return text.replaceAll("\t", "    ").replaceAll("\r", "");
        }

        @Override
        public void insertString(FilterBypass fb, int offset, String text, AttributeSet attr)
                throws BadLocationException {
            super.insertString(fb, offset, process(offset, text), attr);
        }

        @Override
        public void replace(FilterBypass fb, int offset, int length, String text, AttributeSet attr)
                throws BadLocationException {
            super.replace(fb, offset, length, process(offset, text), attr);
        }
    });

    // Highlight text when text changes
    doc.addDocumentListener(new DocumentListener() {

        @Override
        public void removeUpdate(DocumentEvent e) {
            SwingUtilities.invokeLater(() -> highlightText());
            changed = true;
        }

        @Override
        public void insertUpdate(DocumentEvent e) {
            SwingUtilities.invokeLater(() -> highlightText());
            changed = true;
        }

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

    addCaretListener(new CaretListener() {
        private boolean isAlphanum(char c) {
            return Character.isDigit(c) || Character.isLetter(c);
        }

        private boolean isAlphanum(String s) {
            for (char c : s.toCharArray()) // Allow dots in middle of words for floats
            {
                if (c != '.' && !isAlphanum(c)) {
                    return false;
                }
            }

            return true;
        }

        @Override
        public void caretUpdate(CaretEvent ce) {
            try {

                // Highlight current line
                highlightCurrentLine();

                // Clear previously highlighted occurrences
                for (Object o : occurrences) {
                    getHighlighter().removeHighlight(o);
                }
                repaint();
                occurrences.clear();

                // Get start and end offsets, swap them if necessary
                int s = ce.getDot();
                int e = ce.getMark();

                if (s > e) {
                    s = s + e;
                    e = s - e;
                    s = s - e;
                }

                // If there is a selection,
                if (s != e) {
                    // Check if the char on the left and on the right are not alphanums
                    char f = s == 0 ? ' ' : doc.getText(s - 1, 1).charAt(0);
                    char l = s == doc.getLength() - 1 ? ' ' : doc.getText(e, 1).charAt(0);
                    if (!isAlphanum(f) && !isAlphanum(l)) {
                        String word = doc.getText(s, e - s);
                        if (isAlphanum(word)) {
                            highlightOccurrences(word, s, e);
                        }
                    }
                }
            } catch (Exception e) {
                e.printStackTrace();
            }
        }
    });

    setCaretColor(Theme.getTheme().COLOR_11);

    highlightText();
}

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From source file:plugin.notes.gui.NotesView.java

private void editorCaretUpdate(CaretEvent evt) {
    //GEN-FIRST:event_editorCaretUpdate
    int dot = evt.getDot();
    updateButtons(editor, dot);//from   w  w w  . j ava  2s .  c  om

    Object obj = notesTree.getLastSelectedPathComponent();

    if (obj instanceof NotesTreeNode) {
        NotesTreeNode node = (NotesTreeNode) obj;

        if (node.isDirty()) {
            revertButton.setEnabled(true);
        } else {
            revertButton.setEnabled(false);
        }
    }
}

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