How to use

replaceChild

method

in

com.google.gwt.user.client.Element

getElement().replaceChild(newInputElem, inputElem);

/**
 * Removes a iframe cover
 * 
 * @param iframe
 *            The iframe element which has been covered
 */
private static void removeIframeCover(Element iframe) {
  Element coverContainer = iframeCoverMap.get(iframe);
  if (coverContainer != null) {
    Element parent = coverContainer.getParentElement().cast();
    parent.replaceChild(iframe, coverContainer);
    iframe.getStyle().clearPosition();
    iframeCoverMap.remove(iframe);
  }
}

/**
 * Removes a iframe cover
 * 
 * @param iframe
 *            The iframe element which has been covered
 */
private static void removeIframeCover(Element iframe) {
  Element coverContainer = iframeCoverMap.get(iframe);
  if (coverContainer != null) {
    Element parent = coverContainer.getParentElement().cast();
    parent.replaceChild(iframe, coverContainer);
    iframe.getStyle().clearPosition();
    iframeCoverMap.remove(iframe);
  }
}

public MessageBubbleWidget(String primaryStyleName) {
  super();
  setStyleName(primaryStyleName + "-inline");
  messageWrapper.addClassName(primaryStyleName);
  triangleSVG.addStyleName("triangle");
  compositeIcon.setStyleName("composite-icon");
  compositeIcon.addStyleName("message-bubble-icon");
  compositeIcon.getElement().getStyle().setProperty("lineHeight", "1.4");
  messageWrapper.replaceChild(compositeIcon.getElement(), icon);
  messageEl.getStyle().setDisplay(Style.Display.BLOCK);
  messageEl.getStyle().setMarginLeft(30, Style.Unit.PX);
}

/**
 * Sets whether the Alert has a close icon or not.
 *
 * @param hasClose <code>false</code> if you don't want to have a close icon.
 *                 Default: <code>true</code>
 */
public void setClose(boolean hasClose) {
  this.hasClose = hasClose;
  if (!isAttached()) {
    return;
  }
  if (hasClose) {
    if (close == null) {
      close = new Close(DismissType.ALERT);
      getElement().replaceChild(close.getElement(), closeReplacement.getElement());
    }
  } else {
    if (close != null) {
      getElement().replaceChild(closeReplacement.getElement(), close.getElement());
      close = null;
    }
  }
}

public void setIcon(Icon icon) {
  if (icon == null) {
    if (this.icon != null) {
      getElement().removeChild(this.icon.getElement());
    }
  } else if (this.icon != null) {
    getElement()
        .replaceChild(this.icon.getElement(), icon.getElement());
  } else {
    getElement().insertFirst(icon.getElement());
  }
  this.icon = icon;
}

getBody().replaceChild( tre,
            rowHeaders[ iRow ] );
rowHeaders[ iRow ] = tre;

getBody().replaceChild( tre,
            headerRows[ iRow ] );
headerRows[ iRow ] = tre;

getElement().replaceChild(newInputElem, inputElem);

getElement().replaceChild(newInputElem, inputElem);

private void replaceInputElement(Element elem) {
 InputElement newInputElem = InputElement.as(elem);
 // Collect information we need to set
 boolean checked = getValue();
 boolean enabled = isEnabled();
 String formValue = getFormValue();
 String uid = inputRadio.getId();
 String accessKey = inputRadio.getAccessKey();
 int sunkEvents = Event.getEventsSunk(inputRadio);
 // Clear out the old input element
 DOM.setEventListener(inputRadio, null);
 getElement().replaceChild(newInputElem, inputRadio);
 // Sink events on the new element
 Event.sinkEvents(elem, Event.getEventsSunk(inputRadio));
 Event.sinkEvents(inputRadio, 0);
 inputRadio = newInputElem;
 // Setup the new element
 Event.sinkEvents(inputRadio, sunkEvents);
 inputRadio.setId(uid);
 if (!"".equals(accessKey)) {
  inputRadio.setAccessKey(accessKey);
 }
 setValue(checked);
 setEnabled(enabled);
 setFormValue(formValue);
 // Set the event listener
 if (isAttached()) {
  DOM.setEventListener(inputRadio, this);
 }
}

private void replaceInputElement(Element elem) {
 InputElement newInputElem = InputElement.as(elem);
 // Collect information we need to set
 boolean checked = getValue();
 boolean enabled = isEnabled();
 String formValue = getFormValue();
 String uid = inputRadio.getId();
 String accessKey = inputRadio.getAccessKey();
 int sunkEvents = Event.getEventsSunk(inputRadio);
 // Clear out the old input element
 DOM.setEventListener(inputRadio, null);
 getElement().replaceChild(newInputElem, inputRadio);
 // Sink events on the new element
 Event.sinkEvents(elem, Event.getEventsSunk(inputRadio));
 Event.sinkEvents(inputRadio, 0);
 inputRadio = newInputElem;
 // Setup the new element
 Event.sinkEvents(inputRadio, sunkEvents);
 inputRadio.setId(uid);
 if (!"".equals(accessKey)) {
  inputRadio.setAccessKey(accessKey);
 }
 setValue(checked);
 setEnabled(enabled);
 setFormValue(formValue);
 // Set the event listener
 if (isAttached()) {
  DOM.setEventListener(inputRadio, this);
 }
}

private void replaceInputElement(Element elem) {
 InputElement newInputElem = InputElement.as(elem);
 int tabIndex = getTabIndex();
 boolean checked = getValue();
 boolean enabled = isEnabled();
 String uid = input.getId();
 String accessKey = InputElement.as(input.dom).getAccessKey();
 int sunkEvents = Event.getEventsSunk(input.dom);
 String styleName = input.getStyleName();
 String valueAttribute = getValueAttribute();
 getElement().replaceChild(newInputElem, input.dom);
 Event.sinkEvents(elem, 0);
 input = new El((Element) Element.as(newInputElem));
 input.makePositionable();
 Event.sinkEvents(input.dom, sunkEvents);
 input.setId(uid);
 if (!"".equals(accessKey)) {
  InputElement.as(input.dom).setAccessKey(accessKey);
 }
 setTabIndex(tabIndex);
 setValueAttribute(valueAttribute);
 setValue(checked);
 setEnabled(enabled);
 input.setStyleName(styleName);
}

getElement().replaceChild(newInputElem, inputElem);