Examples with Document javax.swing.text.Document used on opensource projects

Example 26 with Document

use of javax.swing.text.Document in project jabref by JabRef.

the class TextField method setupUndoRedo.

private void setupUndoRedo() {
    undo = new UndoManager();
    Document doc = getDocument();
    // Listen for undo and redo events
    doc.addUndoableEditListener(evt -> undo.addEdit(evt.getEdit()));
    // Create an undo action and add it to the text component
    getActionMap().put("Undo", new AbstractAction("Undo") {

        @Override
        public void actionPerformed(ActionEvent evt) {
            try {
                if (undo.canUndo()) {
                    undo.undo();
                }
            } catch (CannotUndoException ignored) {
            // Ignored
            }
        }
    });
    // Bind the undo action to ctl-Z
    getInputMap().put(Globals.getKeyPrefs().getKey(org.jabref.gui.keyboard.KeyBinding.UNDO), "Undo");
    // Create a redo action and add it to the text component
    getActionMap().put("Redo", new AbstractAction(Actions.REDO) {

        @Override
        public void actionPerformed(ActionEvent evt) {
            try {
                if (undo.canRedo()) {
                    undo.redo();
                }
            } catch (CannotRedoException ignored) {
            // Ignored
            }
        }
    });
    // Bind the redo action to ctl-Y
    getInputMap().put(Globals.getKeyPrefs().getKey(org.jabref.gui.keyboard.KeyBinding.REDO), "Redo");
}

Example 27 with Document

use of javax.swing.text.Document in project jabref by JabRef.

the class JTextFieldChangeListenerUtil method addChangeListener.

/**
     * Installs a listener to receive notification when the text of any
     * {@code JTextComponent} is changed. Internally, it installs a
     * {@link DocumentListener} on the text component's {@link Document},
     * and a {@link PropertyChangeListener} on the text component to detect
     * if the {@code Document} itself is replaced.
     *
     * Taken from
     *
     * @param text any text component, such as a {@link JTextField}
     *        or {@link JTextArea}
     * @param changeListener a listener to receive {@link ChangeEvent}s
     *        when the text is changed; the source object for the events
     *        will be the text component
     * @throws NullPointerException if either parameter is null
     */
public static void addChangeListener(JTextComponent text, ChangeListener changeListener) {
    Objects.requireNonNull(text);
    Objects.requireNonNull(changeListener);
    DocumentListener dl = new DocumentListener() {

        private int lastChange;

        private int lastNotifiedChange;

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

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

        @Override
        public void changedUpdate(DocumentEvent e) {
            lastChange++;
            SwingUtilities.invokeLater(() -> {
                if (lastNotifiedChange != lastChange) {
                    lastNotifiedChange = lastChange;
                    changeListener.stateChanged(new ChangeEvent(text));
                }
            });
        }
    };
    text.addPropertyChangeListener("document", (PropertyChangeEvent e) -> {
        Document d1 = (Document) e.getOldValue();
        Document d2 = (Document) e.getNewValue();
        if (d1 != null) {
            d1.removeDocumentListener(dl);
        }
        if (d2 != null) {
            d2.addDocumentListener(dl);
        }
        dl.changedUpdate(null);
    });
    Document d = text.getDocument();
    if (d != null) {
        d.addDocumentListener(dl);
    }
}

Example 28 with Document

use of javax.swing.text.Document in project jabref by JabRef.

the class JEditorPaneWithHighlighting method getDocumentText.

private String getDocumentText() {
    Document doc = getDocument();
    String text;
    try {
        text = doc.getText(0, doc.getLength());
    } catch (Exception e) {
        LOGGER.error("Error while getting document text");
        text = "";
    }
    return text;
}

Example 29 with Document

use of javax.swing.text.Document in project jabref by JabRef.

the class JTextAreaWithHighlighting method setupUndoRedo.

private void setupUndoRedo() {
    undo = new UndoManager();
    Document doc = getDocument();
    // Listen for undo and redo events
    doc.addUndoableEditListener(evt -> undo.addEdit(evt.getEdit()));
    // Create an undo action and add it to the text component
    getActionMap().put("Undo", new AbstractAction("Undo") {

        @Override
        public void actionPerformed(ActionEvent evt) {
            try {
                if (undo.canUndo()) {
                    undo.undo();
                }
            } catch (CannotUndoException ignored) {
            // Ignored
            }
        }
    });
    // Bind the undo action to ctl-Z
    getInputMap().put(Globals.getKeyPrefs().getKey(org.jabref.gui.keyboard.KeyBinding.UNDO), "Undo");
    // Create a redo action and add it to the text component
    getActionMap().put("Redo", new AbstractAction(Actions.REDO) {

        @Override
        public void actionPerformed(ActionEvent evt) {
            try {
                if (undo.canRedo()) {
                    undo.redo();
                }
            } catch (CannotRedoException ignored) {
            // Ignored
            }
        }
    });
    // Bind the redo action to ctrl-Y
    boolean bind = true;
    KeyStroke redoKey = Globals.getKeyPrefs().getKey(org.jabref.gui.keyboard.KeyBinding.REDO);
    if (Globals.prefs.getBoolean(JabRefPreferences.EDITOR_EMACS_KEYBINDINGS)) {
        // If emacs is enabled, check if we have a conflict at keys
        // If yes, do not bind
        // Typically, we have: CTRL+y is "yank" in emacs and REDO in 'normal' settings
        // The Emacs key bindings are stored in the keymap, not in the input map.
        Keymap keymap = getKeymap();
        KeyStroke[] keys = keymap.getBoundKeyStrokes();
        int i = 0;
        while ((i < keys.length) && !keys[i].equals(redoKey)) {
            i++;
        }
        if (i < keys.length) {
            // conflict found -> do not bind
            bind = false;
        }
    }
    if (bind) {
        getInputMap().put(redoKey, "Redo");
    }
}

Example 30 with Document

use of javax.swing.text.Document in project gephi by gephi.

the class FileCompletionPopup method keyPressed.

/****** implementation of KeyListener of fileNameTextField ******/
@Override
public void keyPressed(KeyEvent e) {
    if (!isVisible()) {
        return;
    }
    int code = e.getKeyCode();
    switch(code) {
        case KeyEvent.VK_DOWN:
            setSelectNext();
            e.consume();
            break;
        case KeyEvent.VK_UP:
            setSelectPrevious();
            e.consume();
            break;
        case KeyEvent.VK_ESCAPE:
            setVisible(false);
            textField.requestFocus();
            e.consume();
            break;
    }
    if (isCompletionKey(code, textField)) {
        File file = (File) list.getSelectedValue();
        if (file != null) {
            if (file.equals(chooser.getCurrentDirectory())) {
                chooser.firePropertyChange(JFileChooser.DIRECTORY_CHANGED_PROPERTY, false, true);
            } else {
                chooser.setSelectedFiles(new File[] { file });
                chooser.setCurrentDirectory(file);
            }
            if (file.isDirectory()) {
                try {
                    Document doc = textField.getDocument();
                    doc.insertString(doc.getLength(), File.separator, null);
                } catch (BadLocationException ex) {
                    Logger.getLogger(getClass().getName()).log(Level.FINE, "Cannot append directory separator.", ex);
                }
            }
        }
        setVisible(false);
        textField.requestFocus();
        e.consume();
    }
}