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

namespace FineUIPro.Web.Controls
{
    public partial class ProjectWBSControl : System.Web.UI.UserControl
    {
        #region 自定义项
        /// <summary>
        /// 主键
        /// </summary>
        public string WorkPackageId
        {
            get
            {
                return (string)ViewState["WorkPackageId"];
            }
            set
            {
                ViewState["WorkPackageId"] = value;
            }
        }

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


        /// <summary>
        /// 项目ID
        /// </summary>
        public string ProjectId
        {
            get
            {
                return (string)ViewState["ProjectId"];
            }
            set
            {
                ViewState["ProjectId"] = value;
            }
        }
        #endregion

        #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)
        {
            if (this.trWBS != null && !string.IsNullOrEmpty(this.trWBS.SelectedNodeID))
            {
                this.WorkPackageId = this.trWBS.SelectedNodeID;
                if (this.change != null)
                {
                    this.change(this, e);
                }
            }
        }

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

        public event userEvent change;


        #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);
            //this.GetNodes(rootNode1.Nodes, rootNode1.NodeID);

            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 trUnitWork = from x in Funs.DB.WBS_UnitWork
                                 where x.ProjectId == this.ProjectId && x.SuperUnitWork == null && x.ProjectType == e.Node.NodeID
                                 select x;
                trUnitWork = trUnitWork.OrderBy(x => x.UnitWorkCode);
                if (trUnitWork.Count() > 0)
                {
                    foreach (var trUnitWorkItem in trUnitWork)
                    {
                        TreeNode newNode = new TreeNode();
                        newNode.Text = trUnitWorkItem.UnitWorkCode + "-" + trUnitWorkItem.UnitWorkName;
                        newNode.NodeID = trUnitWorkItem.UnitWorkId;
                        newNode.CommandName = "UnitWork";
                        newNode.EnableExpandEvent = true;
                        newNode.EnableClickEvent = true;
                        e.Node.Nodes.Add(newNode);
                        if (BLL.WorkPackageService.GetWorkPackages1ByUnitWorkId(trUnitWorkItem.UnitWorkId.ToString()) != null)
                        {
                            TreeNode temp = new TreeNode();
                            temp.Text = "temp";
                            temp.NodeID = "temp";
                            newNode.Nodes.Add(temp);
                        }
                    }
                }
            }
            else if (e.Node.CommandName == "UnitWork")   //展开单位工程节点
            {
                var workPackages = from x in Funs.DB.WBS_WorkPackage where x.UnitWorkId == e.NodeID && x.SuperWorkPack == null && x.IsApprove == true orderby x.WorkPackageCode select x;
                foreach (var workPackage in workPackages)
                {
                    TreeNode newNode = new TreeNode();
                    newNode.Text = workPackage.PackageContent;
                    newNode.NodeID = workPackage.WorkPackageId;
                    newNode.CommandName = "WorkPackage";
                    newNode.EnableExpandEvent = true;
                    newNode.EnableClickEvent = true;
                    e.Node.Nodes.Add(newNode);
                    var childWorkPackages = from x in Funs.DB.WBS_WorkPackage where x.SuperWorkPackageId == workPackage.WorkPackageId && x.IsApprove == true select x;
                    if (childWorkPackages.Count() > 0)
                    {
                        TreeNode emptyNode = new TreeNode();
                        emptyNode.Text = "";
                        emptyNode.NodeID = "";
                        newNode.Nodes.Add(emptyNode);
                    }
                }
            }
            else if (e.Node.CommandName == "WorkPackage")   //展开工作包节点
            {
                var workPackages = from x in Funs.DB.WBS_WorkPackage where x.SuperWorkPackageId == e.Node.NodeID && x.IsApprove == true 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.WorkPackageId;
                        newNode.CommandName = "WorkPackage";
                        newNode.EnableExpandEvent = true;
                        newNode.EnableClickEvent = true;
                        e.Node.Nodes.Add(newNode);
                        var childWorkPackages = from x in Funs.DB.WBS_WorkPackage where x.SuperWorkPackageId == workPackage.WorkPackageId && x.IsApprove == true select x;
                        if (childWorkPackages.Count() > 0)
                        {
                            TreeNode emptyNode = new TreeNode();
                            emptyNode.Text = "";
                            emptyNode.NodeID = "";
                            newNode.Nodes.Add(emptyNode);
                        }
                    }
                }
            }
        }
        #endregion

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