Class DoTypeProcessor

src/main/java/org/htmlunit/html/DoTypeProcessor.java:50–262

The processor for HtmlElement#doType(char, boolean) and HtmlElement#doType(int, boolean). @author Marc Guillemot @author Ronald Brill @author Ahmed Ashour

 * @author Ahmed Ashour
 */
class DoTypeProcessor implements Serializable {

    private static final Map<Integer, Character> SPECIAL_KEYS_MAP_ = new HashMap<>();

    /**
     * Either {@link HtmlElement} or {@link DomText}.
     */
    private final DomNode domNode_;

    static {
        SPECIAL_KEYS_MAP_.put(DOM_VK_ADD, '+');
        SPECIAL_KEYS_MAP_.put(DOM_VK_DECIMAL, '.');
        SPECIAL_KEYS_MAP_.put(DOM_VK_DIVIDE, '/');
        SPECIAL_KEYS_MAP_.put(DOM_VK_EQUALS, '=');
        SPECIAL_KEYS_MAP_.put(DOM_VK_MULTIPLY, '*');
        SPECIAL_KEYS_MAP_.put(DOM_VK_SEMICOLON, ';');
        SPECIAL_KEYS_MAP_.put(DOM_VK_SEPARATOR, ',');
        SPECIAL_KEYS_MAP_.put(DOM_VK_SPACE, ' ');
        SPECIAL_KEYS_MAP_.put(DOM_VK_SUBTRACT, '-');

        for (int i = DOM_VK_NUMPAD0; i <= DOM_VK_NUMPAD9; i++) {
            SPECIAL_KEYS_MAP_.put(i, (char) ('0' + i - DOM_VK_NUMPAD0));
        }
    }

    DoTypeProcessor(final DomNode domNode) {
        domNode_ = domNode;
    }

    void doType(final String currentValue, final SelectionDelegate selectionDelegate,
            final char c, final HtmlElement element, final boolean lastType) {

        int selectionStart = selectionDelegate.getSelectionStart();
        selectionStart = Math.max(0, Math.min(selectionStart, currentValue.length()));

        int selectionEnd = selectionDelegate.getSelectionEnd();
        selectionEnd = Math.max(selectionStart, Math.min(selectionEnd, currentValue.length()));

        final StringBuilder newValue = new StringBuilder(currentValue);
        if (c == '\b') {
            if (selectionStart > 0) {
                newValue.deleteCharAt(selectionStart - 1);
                selectionStart--;
                selectionEnd--;
            }
        }
        else if (acceptChar(c)) {
            final boolean ctrlKey = element.isCtrlPressed();
            if (ctrlKey && (c == 'C' || c == 'c')) {
                final ClipboardHandler clipboardHandler = element.getPage().getWebClient().getClipboardHandler();
                if (clipboardHandler != null) {
                    final String content = newValue.substring(selectionStart, selectionEnd);
                    clipboardHandler.setClipboardContent(content);
                }
            }
            else if (ctrlKey && (c == 'V' || c == 'v')) {
                final ClipboardHandler clipboardHandler = element.getPage().getWebClient().getClipboardHandler();
                if (clipboardHandler != null) {