using BLL;
using System;
using System.Data;
using System.Linq;

namespace FineUIPro.Web.Controls
{
    public partial class WBSControl : System.Web.UI.UserControl
    {
        public string WorkPackageCode
        {
            get
            {
                return (string)ViewState["WorkPackageCode"];
            }
            set
            {
                ViewState["WorkPackageCode"] = value;
            }
        }

        public bool IsShowLevel
        {
            get;
            set;
        } = true;


        #region 加载页面
        /// <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.Toolbar1.Hidden = !IsShowLevel;
                ////加载树
                SetSubUnitProjectTree(this.trWBS);

            }
        }
        #endregion

        /// <summary>
        /// 
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void trWBS_NodeCommand(object sender, TreeCommandEventArgs e)
        {
            //this.Level = this.ckLevel.SelectedValue;
            if (this.trWBS != null && !string.IsNullOrEmpty(this.trWBS.SelectedNodeID))
            {
                this.WorkPackageCode = this.trWBS.SelectedNodeID;
                if (this.change != null)
                {
                    this.change(this, e);
                }
            }
        }

        public delegate void userEvent(object sender, EventArgs arg);

        public event userEvent change;


        protected void ckLevel_SelectedIndexChanged(object sender, EventArgs e)
        {
            ////加载树
            SetSubUnitProjectTree(this.trWBS);
        }


        #region 绑定分公司 单位-项目树
        /// <summary>
        ///  绑定分公司 单位-项目树
        /// </summary>
        /// <param name="trWBS"></param>                                                                                                    
        /// <param name="CurrUser"></param>
        public void SetSubUnitProjectTree(FineUIPro.Tree trWBS)
        {
            this.trWBS.Nodes.Clear();
            this.trWBS.ShowBorder = false;
            this.trWBS.ShowHeader = false;
            this.trWBS.EnableIcons = true;
            this.trWBS.AutoScroll = true;
            this.trWBS.EnableSingleClickExpand = true;

            TreeNode rootNode1 = new TreeNode();
            rootNode1.Text = "建筑工程";
            rootNode1.NodeID = "1";
            rootNode1.CommandName = "ProjectType";
            rootNode1.EnableExpandEvent = true;
            rootNode1.EnableClickEvent = true;
            this.trWBS.Nodes.Add(rootNode1);
            TreeNode emptyNode = new TreeNode();
            emptyNode.Text = "";
            emptyNode.NodeID = "";
            rootNode1.Nodes.Add(emptyNode);

            TreeNode rootNode2 = new TreeNode();
            rootNode2.Text = "安装工程";
            rootNode2.NodeID = "2";
            rootNode2.CommandName = "ProjectType";
            rootNode2.EnableExpandEvent = true;
            rootNode2.EnableClickEvent = true;
            this.trWBS.Nodes.Add(rootNode2);
            rootNode2.Nodes.Add(emptyNode);
        }
        #endregion

        #region  展开树
        /// <summary>
        /// 展开树
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void trWBS_NodeExpand(object sender, TreeNodeEventArgs e)
        {
            e.Node.Nodes.Clear();
            if (e.Node.CommandName == "ProjectType")   //展开工程类型
            {
                var workPackages = from x in Funs.DB.WBS_WorkPackageInit where x.ProjectType == e.NodeID && x.SuperWorkPack == null orderby x.WorkPackageCode select x;
                foreach (var workPackage in workPackages)
                {
                    TreeNode newNode = new TreeNode();
                    newNode.Text = workPackage.PackageContent;
                    newNode.NodeID = workPackage.WorkPackageCode;
                    newNode.CommandName = "WorkPackage";
                    newNode.EnableExpandEvent = true;
                    newNode.EnableClickEvent = true;
                    e.Node.Nodes.Add(newNode);
                    var childWorkPackages = from x in Funs.DB.WBS_WorkPackageInit where x.SuperWorkPack == workPackage.WorkPackageCode select x;
                    if (childWorkPackages.Count() > 0)
                    {
                        TreeNode emptyNode = new TreeNode();
                        emptyNode.Text = "";
                        emptyNode.NodeID = "";
                        newNode.Nodes.Add(emptyNode);
                    }
                }
            }
            else if (e.Node.CommandName == "WorkPackage")   //展开单位工程节点
            {
                var workPackages = from x in Funs.DB.WBS_WorkPackageInit where x.SuperWorkPack == e.Node.NodeID orderby x.WorkPackageCode select x;
                if (workPackages.Count() > 0)   //存在子单位工程
                {
                    foreach (var workPackage in workPackages)
                    {
                        TreeNode newNode = new TreeNode();
                        newNode.Text = workPackage.PackageContent;
                        newNode.NodeID = workPackage.WorkPackageCode;
                        newNode.CommandName = "WorkPackage";
                        newNode.EnableExpandEvent = true;
                        newNode.EnableClickEvent = true;
                        e.Node.Nodes.Add(newNode);
                        var childWorkPackages = from x in Funs.DB.WBS_WorkPackageInit where x.SuperWorkPack == workPackage.WorkPackageCode select x;
                        if (childWorkPackages.Count() > 0)
                        {
                            TreeNode emptyNode = new TreeNode();
                            emptyNode.Text = "";
                            emptyNode.NodeID = "";
                            newNode.Nodes.Add(emptyNode);
                        }
                    }
                }
            }
        }
        #endregion
    }
}