Examples of com.gargoylesoftware.htmlunit.html.DomNode

Package com.gargoylesoftware.htmlunit.html

Examples of com.gargoylesoftware.htmlunit.html.DomNode

com.gargoylesoftware.htmlunit.html.DomNode
Base class for nodes in the HTML DOM tree. This class is modeled after the W3C DOM specification, but does not implement it. @version $Revision: 5301 $ @author Mike Bowler @author Mike J. Bresnahan @author David K. Taylor @author Christian Sell @author Chris Erskine @author Mike Williams @author Marc Guillemot @author Denis N. Antonioli @author Daniel Gredler @author Ahmed Ashour @author Rodney Gitzel @author Sudhan Moghe @author Tom Anderson

     * {@inheritDoc}
     */
    public Object getWithFallback(final String name) {
        Object result = NOT_FOUND;


        final DomNode domNode = getDomNodeOrNull();
        if (domNode != null) {


            // May be attempting to retrieve a frame by name.
            final HtmlPage page = (HtmlPage) domNode.getPage();
            result = getFrameWindowByName(page, name);


            if (result == NOT_FOUND) {
                // May be attempting to retrieve element(s) by name. IMPORTANT: We're using map-backed operations
                // like getHtmlElementsByName() and getHtmlElementById() as much as possible, so as to avoid XPath

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            if ("on".equalsIgnoreCase(mode)) {
                designMode_ = "on";
                final SgmlPage page = getPage();
                if (page instanceof HtmlPage) {
                    final HtmlPage htmlPage = (HtmlPage) page;
                    final DomNode child = htmlPage.getBody().getFirstChild();
                    final DomNode rangeNode = child != null ? child : htmlPage.getBody();
                    htmlPage.setSelectionRange(new SimpleRange(rangeNode, 0));
                }
            }
            else if ("off".equalsIgnoreCase(mode)) {
                designMode_ = "off";

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     * @return the new text node or NOT_FOUND if there is an error
     */
    public Object jsxFunction_createTextNode(final String newData) {
        Object result = NOT_FOUND;
        try {
            final DomNode domNode = new DomText(this.<DomNode>getDomNodeOrDie().getPage(), newData);
            final Object jsElement = getScriptableFor(domNode);


            if (jsElement == NOT_FOUND) {
                LOG.debug("createTextNode(" + newData
                    + ") cannot return a result as there isn't a JavaScript object for the DOM node "
                    + domNode.getClass().getName());
            }
            else {
                result = jsElement;
            }
        }

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     * Creates a new Comment.
     * @param comment the comment text
     * @return the new Comment
     */
    public Object jsxFunction_createComment(final String comment) {
        final DomNode domNode = new DomComment(this.<DomNode>getDomNodeOrDie().getPage(), comment);
        return getScriptableFor(domNode);
    }

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     * @param localName is either the local name of elements to look for or the special value "*",
     *                  which matches all elements.
     * @return a live NodeList of found elements in the order they appear in the tree
     */
    public Object jsxFunction_getElementsByTagNameNS(final Object namespaceURI, final String localName) {
        final DomNode domNode = getDomNodeOrDie();
        final HTMLCollection collection = new HTMLCollection(this);
        final String xpath;
        if (namespaceURI == null || namespaceURI.equals("*")) {
            xpath = ".//*[local-name()='" + localName + "']";
        }

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        // TODO: handle differences between IE and FF: null vs undefined
        return handlers.handler_;
    }


    private ScriptResult executeEventListeners(final boolean useCapture, final Event event, final Object[] args) {
        final DomNode node = jsNode_.getDomNodeOrDie();
        // some event don't apply on all kind of nodes, for instance "blur"
        if (!event.applies(node)) {
            return null;
        }
        final boolean ie = jsNode_.getWindow().getWebWindow().getWebClient().getBrowserVersion().isIE();
        ScriptResult allResult = null;
        final List<Function> handlers = getHandlers(event.jsxGet_type(), useCapture);
        if (handlers != null && !handlers.isEmpty()) {
            event.setCurrentTarget(jsNode_);
            final HtmlPage page = (HtmlPage) node.getPage();
            // make a copy of the list as execution of an handler may (de-)register handlers
            final List<Function> handlersToExecute = new ArrayList<Function>(handlers);
            for (final Function listener : handlersToExecute) {
                final ScriptResult result = page.executeJavaScriptFunctionIfPossible(listener, jsNode_, args, node);
                if (event.isPropagationStopped()) {

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        }
        return allResult;
    }


    private ScriptResult executeEventHandler(final Event event, final Object[] propHandlerArgs) {
        final DomNode node = jsNode_.getDomNodeOrDie();
        // some event don't apply on all kind of nodes, for instance "blur"
        if (!event.applies(node)) {
            return null;
        }
        final Function handler = getEventHandler(event.jsxGet_type());
        if (handler != null) {
            event.setCurrentTarget(jsNode_);
            final HtmlPage page = (HtmlPage) node.getPage();
            LOG.debug("Executing " + event.jsxGet_type() + " handler for " + node);
            return page.executeJavaScriptFunctionIfPossible(handler, jsNode_, propHandlerArgs, node);
        }
        return null;
    }

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    public ScriptResult executeBubblingListeners(final Event event, final Object[] args,
            final Object[] propHandlerArgs) {
        ScriptResult result = null;


        // the handler declared as property if any (not on body, as handler declared on body goes to the window)
        final DomNode domNode = jsNode_.getDomNodeOrDie();
        if (!(domNode instanceof HtmlBody)) {
            result = executeEventHandler(event, propHandlerArgs);
            if (event.isPropagationStopped()) {
                return result;
            }

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     * @see <a href="http://www.w3.org/TR/REC-CSS2/box.html">Box Model</a>
     * @see <a href="http://dump.testsuite.org/2006/dom/style/offset/spec">Reverse Engineering by Anne van Kesteren</a>
     */
    public Object jsxGet_offsetParent() {
        Object offsetParent = Context.getUndefinedValue();
        DomNode currentElement = getDomNodeOrDie();


        final HTMLElement htmlElement = (HTMLElement) currentElement.getScriptObject();
        final ComputedCSSStyleDeclaration style = htmlElement.jsxGet_currentStyle();
        final String position = style.getPositionWithInheritance();
        final boolean ie = getBrowserVersion().isIE();
        final boolean staticPos = "static".equals(position);
        final boolean fixedPos = "fixed".equals(position);
        final boolean useTables = ((ie && (staticPos || fixedPos)) || (!ie && staticPos));


        while (currentElement != null) {


            final DomNode parentNode = currentElement.getParentNode();
            if (parentNode instanceof HtmlBody
                || (useTables && parentNode instanceof HtmlTableDataCell)
                || (useTables && parentNode instanceof HtmlTable)) {
                offsetParent = parentNode.getScriptObject();
                break;
            }


            if (parentNode != null && parentNode.getScriptObject() instanceof HTMLElement) {
                final HTMLElement parentElement = (HTMLElement) parentNode.getScriptObject();
                final ComputedCSSStyleDeclaration parentStyle = parentElement.jsxGet_currentStyle();
                final String parentPosition = parentStyle.getPositionWithInheritance();
                final boolean parentIsStatic = "static".equals(parentPosition);
                final boolean parentIsFixed = "fixed".equals(parentPosition);
                if ((ie && !parentIsStatic && !parentIsFixed) || (!ie && !parentIsStatic)) {
                    offsetParent = parentNode.getScriptObject();
                    break;
                }
            }


            currentElement = currentElement.getParentNode();

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    /**
     * {@inheritDoc}
     */
    @Override
    public String jsxGet_nodeName() {
        final DomNode domNode = getDomNodeOrDie();
        String nodeName = domNode.getNodeName();
        if (domNode.getPage() instanceof HtmlPage) {
            nodeName = nodeName.toUpperCase();
        }
        return nodeName;
    }

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