Example usage for com.google.gwt.dom.client LinkElement getRel

Introduction

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

Prototype

public String getRel() 

Source Link

Document

Forward link type.

Usage

From source file:com.vaadin.client.ResourceLoader.java

License:Apache License

/**
 * Creates a new resource loader. You should generally not create you own
 * resource loader, but instead use {@link ResourceLoader#get()} to get an
 * instance./*from   w  w  w  .  j a v a  2 s .co m*/
 */
protected ResourceLoader() {
    Document document = Document.get();
    head = document.getElementsByTagName("head").getItem(0);

    // detect already loaded scripts and stylesheets
    NodeList<Element> scripts = document.getElementsByTagName("script");
    for (int i = 0; i < scripts.getLength(); i++) {
        ScriptElement element = ScriptElement.as(scripts.getItem(i));
        String src = element.getSrc();
        if (src != null && src.length() != 0) {
            loadedResources.add(src);
        }
    }

    NodeList<Element> links = document.getElementsByTagName("link");
    for (int i = 0; i < links.getLength(); i++) {
        LinkElement linkElement = LinkElement.as(links.getItem(i));
        String rel = linkElement.getRel();
        String href = linkElement.getHref();
        if ("stylesheet".equalsIgnoreCase(rel) && href != null && href.length() != 0) {
            loadedResources.add(href);
        }
    }
}

---

From source file:com.vaadin.client.ui.ui.UIConnector.java

License:Apache License

/**
 * Internal helper for removing any stylesheet with the given URL
 * /*from w  w  w . j  a v a2 s .  c  o  m*/
 * @since 7.3
 * @param url
 *            the url to match with existing stylesheets
 */
private void removeStylesheet(String url) {
    NodeList<Element> linkTags = getHead().getElementsByTagName(LinkElement.TAG);
    for (int i = 0; i < linkTags.getLength(); i++) {
        LinkElement link = LinkElement.as(linkTags.getItem(i));
        if (!"stylesheet".equals(link.getRel())) {
            continue;
        }
        if (!"text/css".equals(link.getType())) {
            continue;
        }
        if (url.equals(link.getHref())) {
            getHead().removeChild(link);
        }
    }
}

---

From source file:com.vaadin.client.ui.ui.UIConnector.java

License:Apache License

/**
 * Finds a link tag for a style sheet with the given URL
 * /* w  ww . j  a  v a  2s .  com*/
 * @since 7.3
 * @param url
 *            the URL of the style sheet
 * @return the link tag or null if no matching link tag was found
 */
private LinkElement findStylesheetTag(String url) {
    NodeList<Element> linkTags = getHead().getElementsByTagName(LinkElement.TAG);
    for (int i = 0; i < linkTags.getLength(); i++) {
        final LinkElement link = LinkElement.as(linkTags.getItem(i));
        if ("stylesheet".equals(link.getRel()) && "text/css".equals(link.getType())
                && url.equals(link.getHref())) {
            return link;
        }
    }
    return null;
}

---

From source file:fr.putnami.pwt.core.theme.client.DefaultThemeController.java

License:Open Source License

/**
 * Removes all link tags in the head if not initialized.
 *///from   www . jav a  2  s.com
private void removeCssLinks() {
    if (this.isInit) {
        return;
    }
    this.isInit = true;
    // Remove all existing link element
    NodeList<Element> links = this.getHead().getElementsByTagName(LinkElement.TAG);
    int size = links.getLength();
    for (int i = 0; i < size; i++) {
        LinkElement elem = LinkElement.as(links.getItem(0));
        if ("stylesheet".equals(elem.getRel())) {
            elem.removeFromParent();
        }
    }
}

---