using BLL;
using Newtonsoft.Json;
using System;
using System.Collections.Generic;
using System.Configuration;
using System.IO;
using System.Net;
using System.Text;
using System.Web;
using System.Web.UI.WebControls;
using System.Xml;

namespace FineUIPro.Web
{
    public partial class todo : PageBase
    {
        #region Page_Init

        private string _menuType = "menu";
        //   private bool _compactMode = false;
        private int _examplesCount = 0;
        private string _searchText = "";
        #region Page_Init

        /// <summary>
        /// 
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void Page_Init(object sender, EventArgs e)
        {
            
            ////////////////////////////////////////////////////////////////
            if (!IsPostBack)
            {

            }
        }

        #endregion

        #region InitTreeMenu
        /// <summary>
        /// 
        /// </summary>
        /// <returns></returns>
        private Tree InitTreeMenu()
        {
            Tree treeMenu = new Tree
            {
                ID = "treeMenu",
                ShowBorder = false,
                ShowHeader = false,
                EnableIcons = true,
                AutoScroll = true,
                EnableSingleClickExpand = true
            };
            if (_menuType == "tree" || _menuType == "tree_minimode")
            {
                treeMenu.HideHScrollbar = true;
                treeMenu.ExpanderToRight = true;
                treeMenu.HeaderStyle = true;
                if (_menuType == "tree_minimode")
                {
                    treeMenu.MiniMode = true;
                    treeMenu.MiniModePopWidth = Unit.Pixel(300);

                    leftPanelToolGear.Hidden = true;
                    leftPanelToolCollapse.IconFont = IconFont.ChevronCircleRight;
                    leftPanel.Width = Unit.Pixel(50);
                    leftPanel.CssClass = "minimodeinside";
                }
            }

            leftPanel.Items.Add(treeMenu);
            XmlDocument doc = XmlDataSource1.GetXmlDocument();
            ResolveXmlDocument(doc);
            // 绑定 XML 数据源到树控件
            treeMenu.NodeDataBound += treeMenu_NodeDataBound;
            treeMenu.PreNodeDataBound += treeMenu_PreNodeDataBound;
            treeMenu.DataSource = doc;
            treeMenu.DataBind();
            return treeMenu;
        }

        #endregion

        #region ResolveXmlDocument

        private void ResolveXmlDocument(XmlDocument doc)
        {
            ResolveXmlDocument(doc, doc.DocumentElement.ChildNodes);
        }

        private int ResolveXmlDocument(XmlDocument doc, XmlNodeList nodes)
        {
            // nodes 中渲染到页面上的节点个数
            int nodeVisibleCount = 0;
            foreach (XmlNode node in nodes)
            {
                // Only process Xml elements (ignore comments, etc)
                if (node.NodeType == XmlNodeType.Element)
                {
                    XmlAttribute removedAttr;
                    // 是否叶子节点
                    bool isLeaf = node.ChildNodes.Count == 0;
                    // 所有过滤条件均是对叶子节点而言，而是否显示目录，要看是否存在叶子节点
                    if (isLeaf)
                    {
                        // 存在搜索关键字
                        if (!String.IsNullOrEmpty(_searchText))
                        {
                            XmlAttribute textAttr = node.Attributes["Text"];
                            if (textAttr != null)
                            {
                                if (!textAttr.Value.Contains(_searchText) && isLeaf)
                                {
                                    removedAttr = doc.CreateAttribute("Removed");
                                    removedAttr.Value = "true";
                                    node.Attributes.Append(removedAttr);
                                }
                            }
                        }
                    }

                    // 存在子节点
                    if (!isLeaf)
                    {
                        // 递归
                        int childVisibleCount = ResolveXmlDocument(doc, node.ChildNodes);

                        if (childVisibleCount == 0)
                        {
                            removedAttr = doc.CreateAttribute("Removed");
                            removedAttr.Value = "true";

                            node.Attributes.Append(removedAttr);
                        }
                    }

                    removedAttr = node.Attributes["Removed"];
                    if (removedAttr == null)
                    {
                        nodeVisibleCount++;
                    }
                }
            }

            return nodeVisibleCount;
        }
        #endregion

        #region treeMenu_NodeDataBound treeMenu_PreNodeDataBound
        /// <summary>
        /// 树节点的绑定后事件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void treeMenu_NodeDataBound(object sender, TreeNodeEventArgs e)
        {
            // 是否叶子节点
            bool isLeaf = e.XmlNode.ChildNodes.Count == 0;
            if (!String.IsNullOrEmpty(e.Node.Text))
            {
                if (GetIsNewHtml(e.XmlNode))
                {
                    e.Node.Text = "<span class=\"isnew\">" + e.Node.Text + "</span>";
                    if (e.Node.ParentNode != null)
                    {
                        e.Node.ParentNode.Text = "<span class=\"isnew\">" + e.Node.ParentNode.Text + "</span>";
                    }
                }
            }

            if (isLeaf)
            {
                // 设置节点的提示信息
                e.Node.ToolTip = e.Node.Text;
            }
            // 如果仅显示最新示例，或者存在搜索文本
            if (!String.IsNullOrEmpty(_searchText))
            {
                e.Node.Expanded = true;
            }
        }

        /// <summary>
        /// 树节点的预绑定事件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void treeMenu_PreNodeDataBound(object sender, TreePreNodeEventArgs e)
        {
            // 是否叶子节点
            bool isLeaf = e.XmlNode.ChildNodes.Count == 0;
            XmlAttribute removedAttr = e.XmlNode.Attributes["Removed"];
            if (removedAttr != null)
            {
                e.Cancelled = true;
            }

            bool isShow = GetIsPowerMenu(e.XmlNode);
            if (!isShow)
            {
                e.Cancelled = true;
            }

            if (isLeaf && !e.Cancelled)
            {
                _examplesCount++;
            }
        }
        #endregion

        #region 该节点是否显示
        /// <summary>
        /// 该节点是否显示
        /// </summary>
        /// <param name="node"></param>
        /// <returns></returns>
        private bool GetIsPowerMenu(XmlNode node)
        {
            bool result = true;
            XmlAttribute isNewAttr = node.Attributes["id"];
            if (isNewAttr != null)
            {
                result = BLL.CommonService.ReturnMenuByUserIdMenuId(this.CurrUser.UserId, isNewAttr.Value.ToString(), this.CurrUser.LoginProjectId);
            }

            return result;
        }
        #endregion

        #region GetIsNewHtml 是否必填项
        /// <summary>
        /// 是否必填项
        /// </summary>
        /// <param name="titleText"></param>
        /// <returns></returns>
        private bool GetIsNewHtml(XmlNode xmlNode)
        {
            bool isShow = false;
            if (xmlNode.Attributes["Text"].Value.Contains("*"))
            {
                isShow = true;
            }
            else
            {

            }

            return isShow;
        }
        #endregion

        #endregion

        #region Page_Load
        /// <summary>
        /// 加载页面
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void Page_Load(object sender, EventArgs e)
        {
            if (!IsPostBack)
            {

                this.XmlDataSource1.DataFile = "./Menu_ToDo.xml";
               // this.leftPanel.Hidden = true;

                InitTreeMenu();
            }
        }
         /// <summary>
        /// 菜单树样式
        /// </summary>
        private void InitMenuStyleButton()
        {
            string menuStyle = "tree";
            HttpCookie menuStyleCookie = Request.Cookies["MenuStyle_Pro"];
            if (menuStyleCookie != null)
            {
                menuStyle = menuStyleCookie.Value;
            }

            SetSelectedMenuItem(MenuStyle, menuStyle);
        }

        /// <summary>
        /// 
        /// </summary>
        private void InitMenuModeButton()
        {
            string menuMode = "normal";
            HttpCookie menuModeCookie = Request.Cookies["MenuMode_Pro"];
            if (menuModeCookie != null)
            {
                menuMode = menuModeCookie.Value;
            }

            SetSelectedMenuItem(MenuMode, menuMode);
        }

        /// <summary>
        /// 加载菜单语言
        /// </summary>
        private void InitLangMenuButton()
        {
            string language = "zh_CN";
            HttpCookie languageCookie = Request.Cookies["Language_Pro"];
            if (languageCookie != null)
            {
                language = languageCookie.Value;
            }

            SetSelectedMenuItem(MenuLang, language);
        }

        /// <summary>
        /// 过滤菜单
        /// </summary>
        /// <param name="menuButton"></param>
        /// <param name="selectedDataTag"></param>
        private void SetSelectedMenuItem(MenuButton menuButton, string selectedDataTag)
        {
            foreach (MenuItem item in menuButton.Menu.Items)
            {
                MenuCheckBox checkBox = (item as MenuCheckBox);
                if (checkBox != null)
                {
                    checkBox.Checked = checkBox.AttributeDataTag == selectedDataTag;
                }
            }
        }
        #endregion

        

        
    }
}