How to use

removeChild

method

in

com.google.gwt.user.client.Element

/**
 * Remove the specified {@link SourceElement} from this media. If the source
 * element is not a child of this widget, it will not be removed.
 *
 * @param source the source element to remove
 * @see #addSource(String, String)
 */
public void removeSource(SourceElement source) {
 getElement().removeChild(source);
}

 private void stopResizing() {
  isResizing = false;
  RootPanel.getBodyElement().removeChild(glassElem);
 }
}

private void setCurrentFaceElement(Element newFaceElement) {
 if (curFaceElement != newFaceElement) {
  if (curFaceElement != null) {
   getElement().removeChild(curFaceElement);
  }
  curFaceElement = newFaceElement;
  DOM.appendChild(getElement(), curFaceElement);
 }
}

@Override
public boolean remove(Widget w) {
 // Validate.
 if (widget != w) {
  return false;
 }
 // Orphan.
 try {
  orphan(w);
 } finally {
  // Physical detach.
  getContainerElement().removeChild(w.getElement());
  // Logical detach.
  widget = null;
 }
 return true;
}

@Override
public boolean remove(Widget w) {
 Element container = getContainer(w);
 boolean removed = super.remove(w);
 if (removed) {
  resetChildWidget(w);
  getElement().removeChild(container);
  if (visibleWidget == w) {
   visibleWidget = null;
  }
 }
 return removed;
}

/**
 * Removes one of this item's children.
 *
 * @param item the item to be removed
 */
@Override
public void removeItem(TreeItem item) {
 // Validate.
 if (children == null || !children.contains(item)) {
  return;
 }
 // Orphan.
 Tree oldTree = tree;
 item.setTree(null);
 // Physical detach.
 if (isRoot) {
  oldTree.getElement().removeChild(item.getElement());
 } else {
  childSpanElem.removeChild(item.getElement());
 }
 // Logical detach.
 item.setParentItem(null);
 children.remove(item);
 if (!isRoot && children.size() == 0) {
  updateState(false, false);
 }
}

@Override
public boolean remove(Widget w) {
 /*
  * Get the TR to be removed before calling super.remove() because
  * super.remove() will detach the child widget's element from its parent.
  */
 Element td = DOM.getParent(w.getElement());
 boolean removed = super.remove(w);
 if (removed) {
  getBody().removeChild(DOM.getParent(td));
 }
 return removed;
}

/**
 * Remove the specified widget from the table.
 * 
 * @param widget widget to remove
 * @return was the widget removed from the table.
 */
@Override
public boolean remove(Widget widget) {
 // Validate.
 if (widget.getParent() != this) {
  return false;
 }
 // Orphan.
 try {
  orphan(widget);
 } finally {
  // Physical detach.
  Element elem = widget.getElement();
  DOM.getParent(elem).removeChild(elem);

  // Logical detach.
  widgetMap.removeByElement(elem);
 }
 return true;
}

@Override
public boolean remove(Widget w) {
 // Validate.
 if (w.getParent() != this) {
  return false;
 }
 // Orphan.
 try {
  orphan(w);
 } finally {
  // Physical detach.
  Element elem = w.getElement();
  DOM.getParent(elem).removeChild(elem);

  // Logical detach.
  getChildren().remove(w);
 }
 return true;
}

/**
 * Remove the specified {@link SourceElement} from this media. If the source
 * element is not a child of this widget, it will not be removed.
 *
 * @param source the source element to remove
 * @see #addSource(String, String)
 */
public void removeSource(SourceElement source) {
 getElement().removeChild(source);
}

/**
 * Removes the value of the count element if any. It is safe to call this
 * method regardless of if a count has been set or not.
 */
public JQMListItem removeCount() {
  if (countElem != null) {
    getElement().removeChild(countElem);
    countElem = null;
  }
  return this;
}

private void removeChild(Element elem) {
  if (anchor == null) getElement().removeChild(elem);
  else if (controlGroup != null) controlGroup.getElement().removeChild(elem);
  else anchor.removeChild(elem);
}

/**
 * Removes all the elements children.
 */
public El removeChildren() {
 El child = null;
 while ((child = firstChild()) != null) {
  dom.removeChild(child.dom);
 }
 setInnerHtml("");
 return this;
}

private void removeToolBar(String name) {
  Element element = getToolBar(name);
  if (element != null)
    getElement().removeChild(element);
}

@Override
public boolean remove(IsWidget child) {
  int index = getIndex(child);
  if (index >= 0) {
    orphan(child.asWidget());
    getElement().removeChild(getElement().getChild(index));
    children.remove(index);
    return true;
  }
  return false;
}

protected void cleanup(El target) {
 NodeList<Node> cn = target.dom.getChildNodes();
 for (int i = cn.getLength() - 1; i >= 0; i--) {
  if (!cn.getItem(i).hasChildNodes()) {
   target.dom.removeChild(cn.getItem(i));
  }
 }
}

@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() {
 final NodeList<Node> nodes = getElement().getChildNodes();
 for (int i = 0; i < nodes.getLength(); i++) {
  final Node node = nodes.getItem(i);
  if (Element.is(node)) {
   getElement().removeChild(node);
  }
 }
}

private void fixIE8FocusCaptureIssue() {
  Element e = DOM.createInputText();
  Style elemStyle = e.getStyle();
  elemStyle.setPosition(Style.Position.ABSOLUTE);
  elemStyle.setTop(-10, Style.Unit.PX);
  elemStyle.setWidth(0, Style.Unit.PX);
  elemStyle.setHeight(0, Style.Unit.PX);
  contentPanel.getElement().appendChild(e);
  e.focus();
  contentPanel.getElement().removeChild(e);
}