How to use

getFirstChildElement

method

in

com.google.gwt.user.client.Element

private void setCheckBoxStyle(CheckBox box) {
 Element input = box.getElement().getFirstChildElement();
 input.getStyle().setVerticalAlign(VerticalAlign.MIDDLE);
 Element label = input.getNextSiblingElement();
 label.getStyle().setVerticalAlign(VerticalAlign.MIDDLE);
 label.getStyle().setPaddingLeft(5, Unit.PX);
 label.getStyle().setFontSize(13, Unit.PX);
}

import nu.xom.*;
 List<Element> cds = new Builder().build(inputFile).getRootElement().query("CD");
 for (Element e : cds) {
   System.out.println(e.getFirstChildElement("ARTIST").getValue() 
     + " recorded " 
     + e.getFirstChildElement("TITLE").getValue() 
     + " in " 
     + e.getFirstChildElement("YEAR").getValue());
 }

/**
 * Redraw the widget.
 */
public void redraw() {
 SafeHtmlBuilder sb = new SafeHtmlBuilder();
 cell.render(createContext(), value, sb);
 getElement().setInnerSafeHtml(sb.toSafeHtml());
 /*
  * The rendered Cell should fill the root element so height and width styles
  * applied to the widget also apply to the Cell. If there is exactly one
  * child element, the height and width are set to 100% to fill the parent.
  */
 Element child = getElement().getFirstChildElement();
 if (child != null && child.getNextSiblingElement() == null) {
  child.getStyle().setHeight(100, Unit.PCT);
  child.getStyle().setWidth(100, Unit.PCT);
 }
}

protected boolean hasRows() {
 if (mainBody == null) {
  return false;
 }
 Element e = mainBody.dom.getFirstChildElement();
 return e != null && !"x-grid-empty".equals(e.getClassName());
}

/**
 * Simulates a click event.
 *
 * @param target
 *            The targeted widget.
 */
public static void click(CheckBox target) {
  // delegate the click to the input element like in the real life (Web Browser)
  click(target, target.getElement().getFirstChildElement());
}

/**
 * Simulates a click event.
 *
 * @param target
 *            The targeted widget.
 */
public static void click(CheckBox target) {
  // delegate the click to the input element like in the real life (Web Browser)
  click(target, target.getElement().getFirstChildElement());
}

  public void setRel(String rel) {
    Element element = getElement().getFirstChildElement();
    element.setAttribute("rel", rel);
  }
}

private Element getToolBar(String role) {
  Element element = getElement().getFirstChildElement();
  while (element != null) {
    if (role.equals(element.getAttribute("data-role"))) {
      return element;
    }
    element = element.getNextSiblingElement();
  }
  return null;
}

private Element getToolBar(String role) {
  Element element = getElement().getFirstChildElement();
  while (element != null) {
    if (role.equals(element.getAttribute("data-role"))) {
      return element;
    }
    element = element.getNextSiblingElement();
  }
  return null;
}

private void cleanNode(TreeNode node) {
 if (node != null && node.element != null) {
  node.clearElements();
  fly((Element) node.getElement().getFirstChildElement()).removeChildren();
 }
}

public static Element createRootElement(String html) {
 Element rootElement = DOM.createDiv();
 rootElement.setInnerHTML(html);
 if (rootElement.getFirstChild() != null) {
  rootElement = rootElement.getFirstChildElement().cast();
 }
 return rootElement;
}

protected void onClick(ComponentEvent ce) {
 if (!GXT.isAriaEnabled()) {
  if (ce.getTarget() == input.getElement().getFirstChildElement()) {
   return;
  }
 }
 super.onClick(ce);
}

public VPopupButton() {
  super();
  DivElement e = Document.get().createDivElement();
  e.setClassName(POPUP_INDICATOR_CLASSNAME);
  getElement().getFirstChildElement().appendChild(e);
}

public VPopupButton() {
  super();
  DivElement e = Document.get().createDivElement();
  e.setClassName(POPUP_INDICATOR_CLASSNAME);
  getElement().getFirstChildElement().appendChild(e);
}

public void collapse(TreeNode node) {
 getContainer(node).getStyle().setProperty("display", "none");
 tree.refresh((M) node.m);
 if (GXT.isFocusManagerEnabled()) {
  Accessibility.setState((Element) node.getElement().getFirstChildElement(), "aria-expanded", "false");
  FocusFrame.get().sync(tree);
 }
}

public void expand(TreeNode node) {
 getContainer(node).getStyle().setProperty("display", "block");
 tree.refresh((M) node.m);
 if (GXT.isFocusManagerEnabled()) {
  FocusFrame.get().sync(tree);
  Accessibility.setState((Element) node.getElement().getFirstChildElement(), "aria-expanded", "true");
 }
}

@Override
protected void initCellWithWidget(Widget w, char align, String style, boolean sorted, TableCellElement td) {
  super.initCellWithWidget(w, align, style, sorted, td);
  if (td.equals(this.getElement().getFirstChildElement())) {
    insertNodeIcon(td);
    if (isSingleSelectMode()) {
      insertSelectionCheckboxSpacer(td);
    } else {
      insertSelectionCheckbox(td);
    }
  }
}

@Override
protected void initCellWithText(String text, char align, String style, boolean textIsHTML, boolean sorted, String description, final TableCellElement td) {
  super.initCellWithText(text, align, style, textIsHTML, sorted, description, td);
  if (td.equals(this.getElement().getFirstChildElement())) {
    insertNodeIcon(td);
    if (isSingleSelectMode()) {
      insertSelectionCheckboxSpacer(td);
    } else {
      insertSelectionCheckbox(td);
    }
  }
}

/**
 * Sets CPU usage value.
 *
 * @param cpuUsage cpuUsage usage
 */
public void setCpuUsage(int cpuUsage) {
 setVisible(true);
 cpuBar.getElement().getFirstChildElement().getStyle().setProperty("height", cpuUsage + "%");
 tooltipCpuBar.getStyle().setProperty("height", cpuUsage + "%");
 tooltipCpuValue.setInnerText(cpuUsage + "%");
}

/** {@inheritDoc} */
@Override
public void go(AcceptsOneWidget container) {
 VerticalPanel panel = new VerticalPanel();
 panel.setSize("100%", "100%");
 panel.setVerticalAlignment(HasVerticalAlignment.ALIGN_MIDDLE);
 panel.setHorizontalAlignment(HasHorizontalAlignment.ALIGN_CENTER);
 panel.add(getImage());
 editorView = new ScrollPanel(panel);
 editorView.getElement().getFirstChildElement().getStyle().setHeight(100, Unit.PCT);
 container.setWidget(editorView);
}