personalpagemodule.ascx.cs

会员管理系统

namespace com.sungoal.MemberManage.Web
{
	using System;
	using System.Data;
	using System.Drawing;
	using System.Web;
	using System.Xml;
	using System.Xml.XPath;
	using System.Web.UI.WebControls;
	using System.Web.UI.HtmlControls;
	using  Microsoft.Web.UI.WebControls;

	/// <summary>
	///		Summary description for PersonalPage.
	/// </summary>
	public class PersonalPageModule : ModuleBase
	{
		protected Microsoft.Web.UI.WebControls.TreeView tvItems;
		private	  string  cfgFile;
		
		private   const  string XNODE_NAME="NodeName";
		private   const  string XNODE_TYPE="NodeType";
		private   const  string XNODE_TEXT="NodeText";
		private   const  string XNODE_VALUE="ItemValue";
		
		//节点图标
		private   const  string FOPEN_IMG="Images/TreeImg/fopen.gif";
		private   const  string FCLOSE_IMG="Images/TreeImg/fclosed.gif";
		private   const  string ITEM_IMG="Images/TreeImg/item.gif";

		private void Page_Load(object sender, System.EventArgs e)
		{
			cfgFile=Server.MapPath("ConfigFile/PersonalPage.xml");
			if (!Page.IsPostBack)	
				LoadXmlData();
		}


		/// <summary>
		/// 从xml中读去数据，并构造树
		/// </summary>
		protected void LoadXmlData()
		{
			tvItems.Nodes.Clear();
				
			//根结点
			TreeNode tNode=new TreeNode();
			XmlDocument xmlDoc=new XmlDocument();
			xmlDoc.Load(cfgFile);
			XmlNode	xmlNode=xmlDoc.DocumentElement;
			try
			{	
				if(xmlNode!=null&&xmlNode.NodeType==XmlNodeType.Element)
				{		
					//设置节点信息
					tNode.ID	=xmlNode.Attributes[XNODE_NAME].Value;
					tNode.Text	=xmlNode.Attributes[XNODE_TEXT].Value;

					//tNode.Type	=xmlNode.Attributes[XNODE_TYPE].Value;					
					//tNode.NodeData	=xmlNode.Attributes[XNODE_VALUE].Value;
						
					//设置图标
					SetTreeNodeImg(tNode);
					tvItems.Nodes.Add(tNode);
					//递归插入节点
					InitialTree(xmlNode,tvItems.Nodes[0]);
				}				
			}			
			catch(Exception ex)
			{
				JScriptSet.MessageBox(Response,ex.Message);
			}

			GetTreeNodeInfo("0");
		}


		/// <summary>
		/// 递归插入树节点
		/// </summary>
		/// <param name="xNode">要加入的xml节点</param>
		/// <param name="tNode">要加入树节点的父节点</param>
		protected void InitialTree(XmlNode xmlNode,TreeNode treeNode)
		{
			XmlNode xNode;
			TreeNode tNode;
			XmlNodeList xnodeList;
			int i,j;
			
			if(xmlNode!=null&&xmlNode.NodeType==XmlNodeType.Element)
			{
				if (xmlNode.HasChildNodes)
				{
					xnodeList = xmlNode.ChildNodes;
					if (xnodeList!=null)
					{
						for(i = 0,j=0; i< xnodeList.Count; i++)
						{
							xNode = xmlNode.ChildNodes[i];
							if(xNode!=null&&xNode.NodeType==XmlNodeType.Element)
							{
								tNode =new TreeNode();

								//设置节点信息
								tNode.ID		=xNode.Attributes[XNODE_NAME].Value;
								tNode.Text		=xNode.Attributes[XNODE_TEXT].Value;
								tNode.Type		=xNode.Attributes[XNODE_TYPE].Value;
					
								if(tNode.Type=="Leaf")
									tNode.NodeData	=xNode.Attributes[XNODE_VALUE].Value;
								
								//设置图标
								SetTreeNodeImg(tNode);								
								treeNode.Nodes.Add(tNode);
								InitialTree(xNode, treeNode.Nodes[j]);
								j++;
							}
						}
					}
				}	
			}
		}


		/// <summary>
		/// 设置树节点的图标
		/// </summary>
		/// <param name="?">树节点</param>
		protected void SetTreeNodeImg(TreeNode tNode)
		{
			if(tNode.Type=="Leaf")
			{
				tNode.ImageUrl=ITEM_IMG;
			}
			else
			{
				tNode.ImageUrl=FCLOSE_IMG;
				tNode.ExpandedImageUrl=FOPEN_IMG;
			}			
		}

		
		/// <summary>
		/// 根据节点的索引得到节点信息
		/// </summary>
		/// <param name="nodeIndex"></param>
		protected void  GetTreeNodeInfo(string nodeIndex)
		{
			TreeNode tNode=tvItems.GetNodeFromIndex(nodeIndex);			
			//左键单击选中节点主题信息
			
		}

		#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
	}
}