/// <summary>
/// This method gets the nodes from the xml nodes which are the fields needed for the NaviationDisplayInfo
/// </summary>
/// <param name="xml">xml node passed</param>
/// <returns>the parsed navigation display info</returns>
private static NavigationDisplayInfo ParseTree(XmlNode xml)
{
XmlNode navDisplayParamNode = xml.SelectSingleNode("./DisplayParams");
XmlNode navItemNode = xml.SelectSingleNode("./NavItem");
if (navDisplayParamNode == null)
{
log.Error("DisplayParams is null.");
log.Error(xml.OuterXml);
throw new Exception("Error: DisplayParams is null");
}
// Load details (if any) of the Navigation Item.
NavigationItem item = null;
if (navItemNode != null)
{
item = NavigationItem.ParseTree(navItemNode);
}
NavigationDisplayParams display = NavigationDisplayParams.ParseElement(navDisplayParamNode);
NavigationDisplayInfo result = new NavigationDisplayInfo(item, display);
return(result);
}
/// <summary>
/// Gets the string for the css class node
/// </summary>
/// <param name="xml">the node passed from NavigationDisplayInfo</param>
/// <returns>Navigation Display Params</returns>
public static NavigationDisplayParams ParseElement(XmlNode xml)
{
XmlNode mobileNav = xml.SelectSingleNode("./MobileNav");
if (mobileNav == null)
{
throw new Exception("Error: MobileNav is null");
}
NavigationDisplayParams result = new NavigationDisplayParams(mobileNav.InnerXml);
return(result);
}
/// <summary>
/// Internal Constructor for NavigationDisplayInfo
/// Use ParseTree to get the item
/// </summary>
/// <param name="item">Navigation Item</param>
/// <param name="display">NavigationDisplayParams</param>
private NavigationDisplayInfo(NavigationItem item, NavigationDisplayParams display)
{
displayParams = display;
rootNavItem = item;
}