Example usage for com.google.gwt.dom.client NodeList getLength

List of usage examples for com.google.gwt.dom.client NodeList getLength

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Introduction

In this page you can find the example usage for com.google.gwt.dom.client NodeList getLength.

Prototype

public int getLength()

Source Link

Usage

From source file:bz.davide.dmxmljson.unmarshalling.dom.gwt.GWTDOMStructure.java

License:Open Source License

private void extractChildElementByName() {
    NodeList nl = this.element.element.getChildNodes();
    for (int i = 0; i < nl.getLength(); i++) {
        Node node = nl.getItem(i);
        if (node.getNodeType() == Node.ELEMENT_NODE) {
            Element element = (Element) node;

            String tagName = element.getTagName().toLowerCase();
            String[] parts = extractNameAndSubtype(tagName);

            String attrName = parts[0];
            ElementAndSubtype elementAndSubtype = new ElementAndSubtype();
            elementAndSubtype.element = element;
            elementAndSubtype.subtype = parts[1];

            ArrayList<ElementAndSubtype> elements = this.elementsByName.get(attrName);
            if (elements == null) {
                elements = new ArrayList<ElementAndSubtype>();
                this.elementsByName.put(attrName, elements);
            }/* w w  w  . j a v  a2 s. c om*/
            elements.add(elementAndSubtype);

            ElementAndSubtype childElementAndSubtype = new ElementAndSubtype();
            childElementAndSubtype.element = element;
            childElementAndSubtype.subtype = tagName;
            // Convert first letter to upper case, because java classes start normally with upper case
            childElementAndSubtype.subtype = childElementAndSubtype.subtype.substring(0, 1).toUpperCase()
                    + childElementAndSubtype.subtype.substring(1);
            this.childNodes.add(childElementAndSubtype);
        }
        if (node.getNodeType() == Node.TEXT_NODE) {
            String txt = node.getNodeValue();
            if (txt.trim().length() > 0) {
                ElementAndSubtype childElementAndSubtype = new ElementAndSubtype();
                childElementAndSubtype.element = node;
                childElementAndSubtype.subtype = "TextNode";
                this.childNodes.add(childElementAndSubtype);
            }
        }
    }
}

From source file:bz.davide.dmxmljson.unmarshalling.dom.gwt.GWTDOMValue.java

License:Open Source License

void recursiveText(Node node, StringBuffer sb) {
    if (node.getNodeType() == Node.TEXT_NODE) {
        sb.append(node.getNodeValue());/*from  w ww.  j  a  va2s.  c  om*/
    }
    if (node.getNodeType() == Node.ELEMENT_NODE) {
        NodeList<Node> nl = node.getChildNodes();
        for (int i = 0; i < nl.getLength(); i++) {
            this.recursiveText(nl.getItem(i), sb);
        }
    }
}

From source file:cc.alcina.framework.gwt.client.util.ClientUtils.java

License:Apache License

public static Element updateCss(Element styleElement, String css) {
    if (styleElement == null) {
        styleElement = Document.get().createStyleElement();
        NodeList<Element> headList = Document.get().getElementsByTagName(HEAD);
        if (headList == null || headList.getLength() == 0) {
            // something wrong with the client here -- bail
            AlcinaTopics//www.  j av  a2s . c  o m
                    .notifyDevWarning(new Exception("headList - " + headList == null ? "null" : "length 0"));
            return null;
        }
        headList.getItem(0).appendChild(styleElement);
        LocalDom.flush();
    }
    if (css.length() != 0) {
        try {
            if (!setCssTextViaCssTextProperty(styleElement, css)) {
                styleElement.setInnerText(css);
            }
        } catch (Exception e) {
            // squelch
        }
    }
    return styleElement;
}

From source file:cc.kune.common.client.utils.MetaUtils.java

License:GNU Affero Public License

/**
 * Get the value of meta information writen in the html page. The meta
 * information is a html tag with name of meta usually placed inside the the
 * head section with two attributes: id and content. For example:
 * //from w w w .j a  v a 2  s.co  m
 * <code>&lt;meta name="name" value="userName" /&gt;</code>
 *
 * @param name the name
 * @return the value of the attribute 'content' or null if not found
 */
public static String get(final String name) {
    final NodeList<Element> tags = Document.get().getElementsByTagName("meta");
    for (int i = 0; i < tags.getLength(); i++) {
        final MetaElement metaTag = ((MetaElement) tags.getItem(i));
        if (metaTag.getName().equals(name)) {
            return metaTag.getContent();
        }
    }
    return null;
}

From source file:ch.bergturbenthal.hs485.frontend.gwtfrontend.client.svg.SVGProcessor.java

License:Open Source License

public static int normalizeIds(final OMSVGElement srcSvg) {
    docId++;/*from w w  w.j  ava 2  s  .c om*/
    // Collect all the original element ids and replace them with a
    // normalized id
    int idIndex = 0;
    final Map<String, Element> idToElement = new HashMap<String, Element>();
    final Map<String, String> idToNormalizedId = new HashMap<String, String>();
    final List<Element> queue = new ArrayList<Element>();
    queue.add(srcSvg.getElement());
    while (queue.size() > 0) {
        final Element element = queue.remove(0);
        final String id = element.getId();
        if (id != null) {
            idToElement.put(id, element);
            final String normalizedId = "d" + docId + "_" + idIndex++;
            idToNormalizedId.put(id, normalizedId);
            element.setId(normalizedId);
        }
        final NodeList<Node> childNodes = element.getChildNodes();
        for (int i = 0, length = childNodes.getLength(); i < length; i++) {
            final Node childNode = childNodes.getItem(i);
            if (childNode.getNodeType() == Node.ELEMENT_NODE)
                queue.add((Element) childNode.cast());
        }
    }

    // Change all the attributes which are URI references
    final Set<String> attNames = new HashSet<String>(Arrays.asList(new String[] { "clip-path", "mask",
            "marker-start", "marker-mid", "marker-end", "fill", "stroke", "filter", "cursor", "style" }));
    queue.add(srcSvg.getElement());
    final IdRefTokenizer tokenizer = GWT.create(IdRefTokenizer.class);
    while (queue.size() > 0) {
        final Element element = queue.remove(0);
        if (DOMHelper.hasAttributeNS(element, SVGConstants.XLINK_NAMESPACE_URI,
                SVGConstants.XLINK_HREF_ATTRIBUTE)) {
            final String idRef = DOMHelper.getAttributeNS(element, SVGConstants.XLINK_NAMESPACE_URI,
                    SVGConstants.XLINK_HREF_ATTRIBUTE).substring(1);
            final String normalizeIdRef = idToNormalizedId.get(idRef);
            DOMHelper.setAttributeNS(element, SVGConstants.XLINK_NAMESPACE_URI,
                    SVGConstants.XLINK_HREF_ATTRIBUTE, "#" + normalizeIdRef);
        }
        final NamedNodeMap<Attr> attrs = DOMHelper.getAttributes(element);
        for (int i = 0, length = attrs.getLength(); i < length; i++) {
            final Attr attr = attrs.item(i);
            if (attNames.contains(attr.getName())) {
                final StringBuilder builder = new StringBuilder();
                tokenizer.tokenize(attr.getValue());
                IdRefTokenizer.IdRefToken token;
                while ((token = tokenizer.nextToken()) != null) {
                    String value = token.getValue();
                    if (token.getKind() == IdRefTokenizer.IdRefToken.DATA)
                        builder.append(value);
                    else {
                        value = idToNormalizedId.get(value);
                        builder.append(value == null ? token.getValue() : value);
                    }
                }
                attr.setValue(builder.toString());
            }
        }
        final NodeList<Node> childNodes = element.getChildNodes();
        for (int i = 0, length = childNodes.getLength(); i < length; i++) {
            final Node childNode = childNodes.getItem(i);
            if (childNode.getNodeType() == Node.ELEMENT_NODE)
                queue.add((Element) childNode.cast());
        }
    }
    return docId;
}

From source file:ch.unifr.pai.twice.layout.client.mobile.MobileUtils.java

License:Apache License

/**
 * Add necessary html tags to ensure unified initial zoom levels of the web page, fullscreen establishment and add proprietary tags (e.g.
 * "apple-mobile-web-app-capable" for extended functionalities).
 * /*  w w w .j ava2 s .c om*/
 * The main purpose is to establish a "native" look of the application even within the boundaries of the web browser.
 */
public static void preparePage() {
    RootPanel.getBodyElement().getStyle().setHeight(100, Unit.PCT);
    RootPanel.getBodyElement().getStyle().setOverflow(Overflow.HIDDEN);
    RootPanel.getBodyElement().getStyle().setMargin(0, Unit.PX);
    RootPanel.getBodyElement().getStyle().setPadding(0, Unit.PX);
    Document.get().getDocumentElement().getStyle().setProperty("minHeight", "300px");
    Document.get().getDocumentElement().getStyle().setHeight(100, Unit.PCT);
    NodeList<Element> tags = Document.get().getElementsByTagName("head");
    Element head;
    if (tags.getLength() > 0) {
        head = tags.getItem(0);
    } else {
        head = DOM.createElement("head");
        Document.get().insertFirst(head);
    }
    Element meta = DOM.createElement("meta");
    meta.setAttribute("name", "viewport");
    meta.setAttribute("content", "width=device-width, initial-scale=1, maximum-scale=1, user-scalable=0");
    head.appendChild(meta);
    LinkElement e = Document.get().createLinkElement();
    e.setRel("stylesheet");
    e.setHref(GWT.getModuleBaseURL() + "master.css");
    head.appendChild(e);

    Element iphoneFullscreen = DOM.createElement("meta");
    iphoneFullscreen.setAttribute("name", "apple-touch-fullscreen");
    iphoneFullscreen.setAttribute("content", "yes");
    head.appendChild(iphoneFullscreen);

    Element iphoneWebAppCapable = DOM.createElement("meta");
    iphoneWebAppCapable.setAttribute("name", "apple-mobile-web-app-capable");
    iphoneWebAppCapable.setAttribute("content", "yes");
    head.appendChild(iphoneWebAppCapable);

    Scheduler.get().scheduleDeferred(new ScheduledCommand() {

        @Override
        public void execute() {
            Window.scrollTo(0, 1);
        }
    });
}

From source file:ch.unifr.pai.twice.widgets.mpproxy.client.MPProxyBody.java

License:Apache License

/**
 * Replace all textboxes with multi focus text boxes
 * //from  w w w.  ja v  a2 s . c  o  m
 * @param mainElement
 */
private void replaceAllTextBoxes(Element mainElement) {
    NodeList<com.google.gwt.dom.client.Element> inputFields = mainElement.getElementsByTagName("input");
    for (int i = 0; i < inputFields.getLength(); i++) {
        final com.google.gwt.dom.client.Element el = inputFields.getItem(i);
        String type = el.getAttribute("type");
        if (type == null || type.isEmpty() || type.equalsIgnoreCase("text")) {
            MultiFocusTextBox box = new MultiFocusTextBox();
            box.replaceTextInput(InputElement.as(el));
            replacements.add(box);

            // Scheduler.get().scheduleDeferred(new ScheduledCommand() {
            //
            // @Override
            // public void execute() {
            // el.getStyle().setDisplay(Display.NONE);
            // }
            // });

        }
    }
}

From source file:ch.unifr.pai.twice.widgets.mpproxy.client.ProxyBody.java

License:Apache License

/**
 * Client side logic to rewrite a given URL
 * /*from  www  .  j ava 2  s .c o m*/
 * @param element
 * @param servletPath
 * @param proxyPath
 */
public static void rewriteUrl(com.google.gwt.dom.client.Element element, String servletPath, String proxyPath) {
    NodeList<Node> nodes = element.getChildNodes();
    for (int i = 0; i < nodes.getLength(); i++) {
        Node n = nodes.getItem(i);
        if (com.google.gwt.dom.client.Element.is(n)) {
            com.google.gwt.dom.client.Element e = com.google.gwt.dom.client.Element.as(n);
            if (e != null && e.getTagName() != null && e.getTagName().equalsIgnoreCase("a")) {
                AnchorElement anchor = AnchorElement.as(e);
                if (anchor.getHref() != null && !anchor.getHref().isEmpty())
                    anchor.removeAttribute("onmousedown");
            }
            for (String att : attributesToManipulate) {
                String value = e.getAttribute(att);
                if (value != null && !value.startsWith(servletPath) && value.matches("((http)|/).*")) {
                    String transformed = Rewriter.translateCleanUrl(value, servletPath, proxyPath);
                    if (!transformed.equals(value))
                        e.setAttribute(att, transformed);
                }
            }
            rewriteUrl(e, servletPath, proxyPath);
        }
    }
}

From source file:ch.unifr.pai.twice.widgets.mptransparentproxy.client.MPProxyBody.java

License:Apache License

/**
 * Replace all textboxes with multi focus text boxes
 * //w w  w. j a v  a  2 s  .  c o  m
 * @param mainElement
 */
private void replaceAllTextBoxes(Element mainElement) {
    NodeList<com.google.gwt.dom.client.Element> inputFields = mainElement.getElementsByTagName("input");
    for (int i = 0; i < inputFields.getLength(); i++) {
        final com.google.gwt.dom.client.Element el = inputFields.getItem(i);
        String type = el.getAttribute("type");
        if (type == null || type.isEmpty() || type.equalsIgnoreCase("text")
                || type.equalsIgnoreCase("search")) {
            MultiFocusTextBox box = new MultiFocusTextBox();
            box.replaceTextInput(InputElement.as(el));
            replacements.add(box);
        }
    }
}

From source file:client.net.sf.saxon.ce.dom.HTMLNodeWrapper.java

License:Mozilla Public License

private static void expandStringValue(NodeList list, StringBuffer sb) {
    final int len = list.getLength();
    for (int i = 0; i < len; i++) {
        Node child = list.getItem(i);
        switch (child.getNodeType()) {
        case Node.ELEMENT_NODE:
            expandStringValue(child.getChildNodes(), sb);
            break;
        case Type.COMMENT:
        case Type.PROCESSING_INSTRUCTION:
            break;
        default://from   w  w w. j a va2s. c  o  m
            sb.append(getValue(child));
        }
    }
}