Java Code Examples for com.google.gwt.dom.client.MetaElement

The following examples show how to use com.google.gwt.dom.client.MetaElement. These examples are extracted from open source projects. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source Project: nalu   Source File: NaluPluginGWT.java    License: Apache License 2.0 6 votes vote down vote up
@Override
public void updateMetaNameContent(String name,
                                  String content) {
  NodeList<Element> metaTagList = Document.get()
                                          .getElementsByTagName("meta");
  for (int i = 0; i < metaTagList.getLength(); i++) {
    if (metaTagList.getItem(i) instanceof MetaElement) {
      MetaElement nodeListElement = (MetaElement) metaTagList.getItem(i);
      if (!Objects.isNull(nodeListElement.getName())) {
        if (nodeListElement.getName()
                           .equals(name)) {
          nodeListElement.removeFromParent();
          break;
        }
      }
    }
  }
  MetaElement metaElement = Document.get()
                                    .createMetaElement();
  metaElement.setName("name");
  metaElement.setContent("content");
  Element headerElement = getHeaderNode();
  if (!Objects.isNull(headerElement)) {
    headerElement.appendChild(metaElement);
  }
}
 
Example 2
/**
 * Return the first meta tag from the head section with name matching. <br>
 * If createIfMissing the tag is created and added at the end of the head section.<br>
 * <p>
 * <strong>Note : </strong> the name is case insensitive
 * </p>
 *
 * @param name the name attribute of the metta tag
 * @param createIfMissing create the tag in the head section if missing
 * @return meta tag element or null
 */
public static MetaElement getDescriptionTag(String name, boolean createIfMissing) {
	Document doc = Document.get();
	HeadElement head = doc.getHead();
	assert head != null : "No head section found in the document";
	assert name != null : "the name must not be null";

	NodeList<Element> tags = head.getElementsByTagName("meta");
	MetaElement metaTag = null;
	for (int i = 0; i < tags.getLength(); i++) {
		metaTag = (MetaElement) tags.getItem(i);
		if (name.equalsIgnoreCase(metaTag.getName())) {
			return metaTag;
		}
	}
	if (createIfMissing) {
		metaTag = doc.createMetaElement();
		metaTag.setName(name);
		head.appendChild(metaTag);
	}
	return metaTag;
}
 
Example 3
Source Project: nalu   Source File: NaluPluginGWT.java    License: Apache License 2.0 5 votes vote down vote up
@Override
public void updateMetaPropertyContent(String property,
                                      String content) {
  NodeList<Element> metaTagList = Document.get()
                                          .getElementsByTagName("meta");
  for (int i = 0; i < metaTagList.getLength(); i++) {
    if (metaTagList.getItem(i) instanceof MetaElement) {
      MetaElement nodeListElement = (MetaElement) metaTagList.getItem(i);
      if (!Objects.isNull(nodeListElement.getAttribute("property"))) {
        if (nodeListElement.getAttribute("property")
                           .equals(property)) {
          nodeListElement.removeFromParent();
          break;
        }
      }
    }
  }
  MetaElement metaElement = Document.get()
                                    .createMetaElement();
  metaElement.setAttribute("property",
                           property);
  metaElement.setContent("content");
  Element headerElement = getHeaderNode();
  if (!Objects.isNull(headerElement)) {
    headerElement.appendChild(metaElement);
  }
}
 
Example 4
Source Project: demo-gwt-springboot   Source File: DemoGwtWebApp.java    License: Apache License 2.0 5 votes vote down vote up
private void addMetaElements() {
	logger.info("Add viewport");
	MetaElement element = Document.get().createMetaElement();
	element.setName("viewport");
	element.setContent("width=device-width, initial-scale=1.0");

	NodeList<Element> node = Document.get().getElementsByTagName("head");
	Element elementHead = node.getItem(0);
	elementHead.appendChild(element);
}
 
Example 5
Source Project: cuba   Source File: CubaRichTextAreaWidget.java    License: Apache License 2.0 5 votes vote down vote up
protected void setContentCharset() {
    rta.addInitializeHandler(event -> {
        IFrameElement iFrameElement = IFrameElement.as(rta.getElement());
        HeadElement headElement = iFrameElement.getContentDocument().getHead();

        MetaElement charsetMetaElement = Document.get().createMetaElement();
        charsetMetaElement.setHttpEquiv(HttpHeaders.CONTENT_TYPE);
        charsetMetaElement.setContent(HttpHeaders.CONTENT_TYPE_TEXT_HTML_UTF8);

        headElement.appendChild(charsetMetaElement);
    });
}
 
Example 6
private void init() {
	NodeList<Element> tags = Document.get().getElementsByTagName("meta");
	for (int i = 0; i < tags.getLength(); i++) {
		MetaElement metaTag = (MetaElement) tags.getItem(i);
		String metaName = metaTag.getName();
		String metaContent = metaTag.getContent();
		if (META_NAME_CSRF_TOKEN.equals(metaName) && !Strings.isNullOrEmpty(metaContent)) {
			this.token = metaContent;
		}
		if (META_NAME_CSRF_HEADER.equals(META_NAME_CSRF_HEADER) && !Strings.isNullOrEmpty(metaContent)) {
			this.header = metaContent;
		}
	}
}