viewdisk.aspx.cs

办公室系统包括上下班打卡

using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;

public partial class Platform_ViewDisk : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
	{	///判断用户是否登录
		UserSessionValue usv = (UserSessionValue)SessionKeyValue.GetUserSession(Session);
		if(usv == null)
		{   ///返回到上一个页面
			Response.Write("<script>history.back()</script>");
			///跳转到登录页面
			Server.Transfer("~/Common/UserLogin.aspx");
			return;
		}
		///显示网络存储的目录树
		if(!Page.IsPostBack)
		{
			BindFolderTree();
		}
    }

	private void BindFolderTree()
	{   ///构建树
		Folder folder = new Folder();
		folder.InitFolderTree(tvFolder);
	}	
	protected void btn_Command(object sender,CommandEventArgs e)
	{   ///判断是否选择操作的节点
		if(tvFolder.SelectedNode == null)
		{
			SystemOperation.OpenDialog(Response,SystemMsg.SELECT_DATA_NO_ITEM);
			return;
		}
		///判断控件的CommandName的值是否为空
		if(SystemOperation.StringNullChecked(e.CommandName) == true)
		{
			SystemOperation.OpenDialog(Response,SystemMsg.DATA_ISNULL);
			return;
		}
		switch(e.CommandName)
		{
			case "add":
				{
					///跳转到添加子节点的页面
					Server.Transfer("~/Platform/AddFolder.aspx?FolderID="
						+ tvFolder.SelectedValue);
					break;
				}
			case "adddoc":
				{
					///跳转到添加子节点的页面
					Server.Transfer("~/Platform/AddDocument.aspx?FolderID="
						+ tvFolder.SelectedValue);
					break;
				}
			case "update":
				{
					///跳转到修改节点的页面
					Server.Transfer("~/Platform/UpdateFolder.aspx?FolderID="
						+ tvFolder.SelectedValue);
					break;
				}
			case "up":
			case "down":
				{
					///执行移动操作
					MoveFolder(Int32.Parse(tvFolder.SelectedValue),e.CommandName);
					break;
				}
			case "delete":
				{
					///执行删除操作
					DeleteFolder(Int32.Parse(tvFolder.SelectedValue));
					break;
				}
			default: break;
		}
	}

	private void MoveFolder(int folderID,string moveFlag)
	{   ///获取父节点
		TreeNode parentNode = tvFolder.SelectedNode.Parent;
		if(parentNode == null)
		{			
			return;
		}		
		///第一个结点不上移
		if(moveFlag == "up"
			&& parentNode.ChildNodes.IndexOf(tvFolder.SelectedNode) == 0)
		{
			SystemOperation.OpenDialog(Response,
				"第一个结点不上移，请重新选择结点。");
			return;
		}
		///最后一个结点不下移
		if(moveFlag == "down"
			&& parentNode.ChildNodes.IndexOf(tvFolder.SelectedNode)
			== parentNode.ChildNodes.Count - 1)
		{
			SystemOperation.OpenDialog(Response,
				"最后一个结点不下移，请重新选择结点。");
			return;
		}
		///执行移动操作
		Folder folder = new Folder();
		folder.UpdateFolderOrder(folderID,moveFlag);
		///重新显示数据
		BindFolderTree();
	}

	private void DeleteFolder(int folderID)
	{
		if(tvFolder.SelectedNode.ChildNodes.Count > 0)
		{
			SystemOperation.OpenDialog(Response,
				"要删除的结点包含孩子结点，不能删除，请重新选择结点。");
			return;
		}
		///执行删除操作
		Folder folder = new Folder();
		folder.DeleteFolder(folderID);
		///重新显示数据
		BindFolderTree();
	}	
}