private void AddLinkStyle(MenuList menu)
{
int minWidth = 15;
foreach (Control li in menu.Controls)
{
Literal l = (Literal)li.Controls[0].Controls[1];
int len = l.Text.Length;
if (len > minWidth)
{
minWidth = len;
}
}
string style = (minWidth * 6.25) + "px";
menu.Style.Add("width", style);
foreach (Control li in menu.Controls)
{
((HyperLink)li.Controls[0]).Style.Add("width", style);
foreach (Control c in li.Controls)
{
if (c is MenuList)
{
MenuList sub = (MenuList)c;
//((HyperLink)li.Controls[0]).Style.Add("background-image", "url('../../Images/icon_calnextArrow.gif')");
//((HyperLink)li.Controls[0]).Style.Add("background-repeat", "no-repeat");
//((HyperLink)li.Controls[0]).Style.Add("background-position", "center right");
sub.Style.Add("left", (minWidth * 6.25) + "px");
//AddLinkStyle(sub);
}
}
}
}
/// <summary>
/// Recursively binds a
/// </summary>
/// <param name="list"></param>
/// <param name="node"></param>
private void RecursiveMenuBind(MenuList list, XmlNode node)
{
// Only bind Element nodes, not comments
if (pedc.IsDisplayInMainMenu(node) && pedc.IsDisplayInView(node) && node.NodeType == XmlNodeType.Element)
{
MenuListItem Item = GetFormattedListItem(node);
list.Controls.Add(Item);
if (node.HasChildNodes)
{
howdeep++;
if (howdeep < DEPTH || DEPTH < 0)
{
MenuList SubMenu = new MenuList();
Item.Controls.Add(SubMenu);
foreach (XmlNode child in node.ChildNodes)
{
RecursiveMenuBind(SubMenu, child);
AddLinkStyle(SubMenu);
}
// Logic to set static heights and overflow
// Need to set widths inline to prevent collapsing in som DOM browsers
if (!string.IsNullOrEmpty(StaticHeight) && SubMenu.Controls.Count > 20)
{
SubMenu.Style.Add("height", StaticHeight + "px");
if (SubMenu.Controls[0] is MenuListItem)
{
if (SubMenu.Controls[0].HasControls())
{
if (SubMenu.Controls[0].Controls[0] is HyperLink)
{
string width = ((HyperLink)SubMenu.Controls[0].Controls[0]).Style["width"];
if (!string.IsNullOrEmpty(width))
{
string subMenuWidth = int.Parse(width.Replace("em", "")) + 2 + "em";
SubMenu.Style.Add("width", subMenuWidth);
}
}
}
}
SubMenu.Style.Add("overflow", "auto");
}
if (!SubMenu.HasControls() && SubMenu.Parent != null)
{
SubMenu.Parent.Controls.Remove(SubMenu);
}
}
howdeep--;
}
}
}
/// <summary>
/// Returns an hierarchical bound HTML unordered list
/// </summary>
/// <returns></returns>
private MenuList LoadMenusFromXml()
{
// If no datasource or xmlfilename is specified, return empty menu
if (this.DataSource == null && this.DataSourceID == "" && this.XMLMenuFile == "" && this.xDoc == null)
{
return(new MenuList());
}
// Else construct a new menu based on datasource
else
{
if (this.xDoc != null)
{
}
else
{
xDoc = new XmlDocument();
// If an XmlDataSource is specified, use as binding for menu
if (this.DataSource != null)
{
if (this.DataSource is XmlDataSource)
{
XmlDataSource source = (XmlDataSource)this.DataSource;
xDoc = source.GetXmlDocument();
XPath = source.XPath;
}
else if (this.DataSource is XmlDocument)
{
XmlDocument source = (XmlDocument)this.DataSource;
xDoc = source;
}
}
/// Else, use the DataSourceID to find the XMLDataSource Control
else if (this.DataSourceID != "")
{
Control con = this.NamingContainer.FindControl(this.DataSourceID);
if (con is XmlDataSource)
{
XmlDataSource source = (XmlDataSource)con;
xDoc = source.GetXmlDocument();
XPath = source.XPath;
}
}
// Else, use the file specified by the XMLMenuFile property
else
{
xDoc.Load(this.MapPathSecure(XMLMenuFile));
}
}
// Setup Main Menu
MenuList MainMenu = new MenuList();
MainMenu.ID = this.ID;
XmlNodeList ParentNodes;
if (XPath == "")
{
ParentNodes = xDoc.DocumentElement.ChildNodes;
}
else
{
ParentNodes = xDoc.SelectNodes(XPath);
}
foreach (XmlNode Parent in ParentNodes)
{
RecursiveMenuBind(MainMenu, Parent);
}
return(MainMenu);
}
}
