/// <summary>
/// Initializes the container's DOM when the container enters the document.
/// Called from {@link goog.ui.Container#enterDocument}.
/// </summary>
/// <param name="container">Container whose DOM is to be initialized</param>
/// as it enters the document.
public void initializeDom(goog.ui.Container container)
{
var elem = container.getElement();
goog.asserts.assert(elem != null, "The container DOM element cannot be null.");
// Make sure the container's element isn't selectable. On Gecko, recursively
// marking each child element unselectable is expensive and unnecessary, so
// only mark the root element unselectable.
goog.style.setUnselectable(elem, true, goog.userAgent.GECKO);
// IE doesn't support outline:none, so we have to use the hideFocus property.
if (goog.userAgent.IE)
{
elem.HideFocus = true;
}
// Set the ARIA role.
var ariaRole = this.getAriaRole();
if (ariaRole != 0)
{
goog.a11y.aria.setRole(elem, ariaRole);
}
}
/// <summary>
/// </summary>
/// Returns the element within the container's DOM that should receive keyboard
/// focus (null if none). The default implementation returns the container"s
/// root element.
/// <param name="container">Container whose key event target is</param>
/// to be returned.
/// <returns>Key event target (null if none).</returns>
public HTMLElement getKeyEventTarget(goog.ui.Container container)
{
return(container.getElement());
}