defaultcs.aspx.cs

Telerik是很大的第三方软件制造商

using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
using Telerik.WebControls;
using System.Xml;

namespace Telerik.MenuExamplesCSharp.Menu.Examples.Design.MultipleMenus
{
	/// <summary>
	/// Summary description for DefaultCS.
	/// </summary>
	public class DefaultCS : Telerik.QuickStart.XhtmlPage
	{
        protected Telerik.WebControls.RadMenu Menu1;
        protected Telerik.WebControls.RadMenu Radmenu1;

        private void Page_Load(object sender, System.EventArgs e)
        {
            if(!IsPostBack)
            {
                InitialSetup();
            }
        }

        protected void InitialSetup()
        {
            //here we set all the required parameters for
            //the initial stage
            Radmenu1.LoadContentFile("menu.xml");
            Menu1.LoadContentFile("menu.xml");
            Radmenu1.CssFile="menu.css";
            Menu1.CssFile="menu.css"; 
            Radmenu1.ImagesBaseDir="images/";
            Menu1.ImagesBaseDir="images/";
            Radmenu1.RootGroup.Flow = PresentationDirection.Vertical;
            for(int i=0;i<Radmenu1.RootGroup.Items.Count;i++)
            {
                Radmenu1.RootGroup.Items[i].ID += "rootitem" + i.ToString();
                SetGroupExpandRecursive(Radmenu1.RootGroup.Items[i],ExpandDirection.Right);
            }
        }

        protected void SetGroupExpandRecursive(Telerik.WebControls.MenuItem rootItem, ExpandDirection GroupExpand)
        {
            if(rootItem.ChildGroup != null && rootItem.ChildGroup.Items.Count>0)
            {
                rootItem.ChildGroup.ExpandDirection = GroupExpand;
                for(int i=0;i<rootItem.ChildGroup.Items.Count;i++)
                {
                    rootItem.ChildGroup.Items[i].ID += rootItem.ID + "subitem" + (i*101).ToString();
                    SetGroupExpandRecursive(rootItem.ChildGroup.Items[i],GroupExpand);
                }
            }
        }

        protected void ProcessItemClickedEvent(object sender, ItemEventArgs e)
        {			
            FilterMenu(e.Item.ID);
            for(int i=0;i<Radmenu1.RootGroup.Items.Count;i++)
            {
                Radmenu1.RootGroup.Items[i].ChildGroup.ExpandDirection = ExpandDirection.Right;
            }
        }      
        
        protected void FilterMenu(string rootID)
        {
            XmlDocument TempDocument = new XmlDocument();
            TempDocument.Load(Request.MapPath("menu.xml"));
            XmlNode SelectedNode = TempDocument.SelectSingleNode("/Menu/Group/descendant::Item[@ID=\"" + rootID + "\"]");
            if(SelectedNode!= null && SelectedNode.InnerXml!=String.Empty)
            {
                Radmenu1.LoadXmlString("<Menu>" + SelectedNode.InnerXml + "</Menu>");
            }
            else
            {
                Radmenu1.RootGroup.Items.Clear();
                Telerik.WebControls.MenuItem EmptyItem = new Telerik.WebControls.MenuItem(Radmenu1.RootGroup);
                EmptyItem.ID = "EmptyItem";
                EmptyItem.Text = "This Item contains no descendants";
                Radmenu1.RootGroup.AddItem(EmptyItem);
            }
            for(int i=0;i<Radmenu1.RootGroup.Items.Count;i++)
            {
                Radmenu1.RootGroup.Items[i].ID += "rootitem" + i.ToString();
            }
            Radmenu1.RootGroup.Flow = PresentationDirection.Vertical;
        }


		#region Web Form Designer generated code
		override protected void OnInit(EventArgs e)
		{
			//
			// CODEGEN: This call is required by the ASP.NET Web Form Designer.
			//
			InitializeComponent();
			base.OnInit(e);
		}
		
		/// <summary>
		/// Required method for Designer support - do not modify
		/// the contents of this method with the code editor.
		/// </summary>
		private void InitializeComponent()
		{    
			this.Load += new System.EventHandler(this.Page_Load);
		}
		#endregion
	}




}