How to use

getFirstChild

method

in

com.google.gwt.user.client.Element

/**
 * Enabled or disabled the native input element in the given cell. This method
 * should correspond with the HTML returned from {@link #getInputHtml}.
 * 
 * @param selectionPolicy the associated {@link SelectionPolicy}
 * @param td the cell containing the element
 * @param enabled true to enable, false to disable
 */
protected void setInputEnabled(SelectionPolicy selectionPolicy, Element td,
  boolean enabled) {
 ((InputElement) td.getFirstChild()).setDisabled(!enabled);
}

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

public Element getElementContainer(TreeNode node) {
 if (node.elContainer == null) {
  node.elContainer = node.getElement() != null ? (Element) node.getElement().getFirstChild() : null;
 }
 return node.elContainer;
}

@Override
public void clear() {
  Node child = getElement().getFirstChild();
  while (child != null) {
    getElement().removeChild(child);
    child = getElement().getFirstChild();
  }
}

@Override
public void clear() {
  Node child = getElement().getFirstChild();
  while (child != null) {
    getElement().removeChild(child);
    child = getElement().getFirstChild();
  }
}

@Override
public void clear() {
  Node child = getElement().getFirstChild();
  while (child != null) {
    getElement().removeChild(child);
    child = getElement().getFirstChild();
  }
}

private boolean isRowRendered(int i, List<M> visible) {
 Element e = findNode(visible.get(i)).getElement();
 return e != null && e.getFirstChild().hasChildNodes();
}

@Override
public void clear() {
  try {
    _doLogicalClear();
  } finally {
    // Remove all existing child nodes.
    Node child = getElement().getFirstChild();
    while (child != null) {
      getElement().removeChild(child);
      child = getElement().getFirstChild();
    }
  }
}

@Override
public void clear() {
  try {
    _doLogicalClear();
  } finally {
    // Remove all existing child nodes.
    Node child = getElement().getFirstChild();
    while (child != null) {
      getElement().removeChild(child);
      child = getElement().getFirstChild();
    }
  }
}

@Override
public void clear() {
  try {
    _doLogicalClear();
  } finally {
    // Remove all existing child nodes.
    Node child = getElement().getFirstChild();
    while (child != null) {
      getElement().removeChild(child);
      child = getElement().getFirstChild();
    }
  }
}

public Canvas() {
  html = new HTML("<canvas></canvas>");
  initWidget(html);
  canvas = (Element) html.getElement().getFirstChild();
}

public Canvas() {
  html = new HTML("<canvas></canvas>");
  initWidget(html);
  canvas = (Element) html.getElement().getFirstChild();
}

 @Override
 protected Element getContainerNodelet(Widget w) {
  return w.getElement().getFirstChild().<Element>cast();
 }
};

 @Override
 protected Element getContainerNodelet(Widget w) {
  return w.getElement().getFirstChild().<Element>cast();
 }
};

public void setPanel(JQMPanel panel) {
  removePanel();
  this.panel = panel;
  addLogical(panel);
  getElement().insertBefore(panel.getElement(), getElement().getFirstChild());
}

public void setPanel(JQMPanel panel) {
  removePanel();
  this.panel = panel;
  addLogical(panel);
  getElement().insertBefore(panel.getElement(), getElement().getFirstChild());
}

public void setPanel(JQMPanel panel) {
  removePanel();
  this.panel = panel;
  addLogical(panel);
  getElement().insertBefore(panel.getElement(), getElement().getFirstChild());
}

public ModalUploadStatus() {
 super();
 super.asWidget().addStyleName("upld-status");
 box.add(super.asWidget());
 box.setGlassEnabled(true);
 box.setStyleName("upld-modal");
 box.setGlassStyleName("upld-modal-glass");
 ((Element) box.getElement().getFirstChild()).setClassName("GWTUpld");
}

@SuppressWarnings("static")
public void testRegistersContainerNodelet() {
 complexHandler(Flow.INLINE);
 AgentAdapter e1 = elem("ab");
 Widget a = handler.getGwtWidget(e1);
 com.google.gwt.user.client.Element b = a.getElement();
 Node c = b.getFirstChild();
 Element d = e1.getContainerNodelet();
 assertSame(c,
   d);
}

@SuppressWarnings("static")
public void testRegistersContainerNodelet() {
 complexHandler(Flow.INLINE);
 AgentAdapter e1 = elem("ab");
 Widget a = handler.getGwtWidget(e1);
 com.google.gwt.user.client.Element b = a.getElement();
 Node c = b.getFirstChild();
 Element d = e1.getContainerNodelet();
 assertSame(c,
   d);
}