using DevExpress.XtraTreeList;
using DevExpress.XtraTreeList.Nodes;
using Gs.DevApp.Entity;
using Gs.DevApp.ToolBox;
using Newtonsoft.Json;
using System;
using System.Collections.Generic;
using System.Data;
using System.Text;
using System.Windows.Forms;


namespace Gs.DevApp.DevFrm.Work
{
    public partial class UcDictionarySelect : DevExpress.XtraEditors.XtraForm
    {
        private List<string> lstCheckedKeyID = new List<string>();//选择局ID集合
        string strTitle = "";
        string strWhere = "";
        public UcDictionarySelect(string _strTitle, string _strWhere)
        {
            InitializeComponent();
            tlMenu.CustomDrawNodeCheckBox += TreeList1_CustomDrawNodeCheckBox;
            getTree();
            tlMenu.OptionsBehavior.Editable = true;
            tlMenu.OptionsSelection.EnableAppearanceFocusedCell = false;
            tlMenu.OptionsSelection.MultiSelect = true;
            tlMenu.OptionsSelection.MultiSelectMode = TreeListMultiSelectMode.CellSelect;
            this.strTitle = _strTitle;
            this.strWhere = _strWhere;
            this.Text = _strTitle;
            btnIn.Click += (s, e) =>
            {
                findOrigin(tlMenu);
                var list = new List<dynamic>();
                foreach (string key in lstCheckedKeyID)
                {
                    list.Add(new
                    {
                      //  dicCode = "001",
                        dicTxt = key
                    });
                };
                UpdateParent?.Invoke(this,
                    new UpdateParentEventArgs { DynamicList = list });
                Close();
            };
            tlMenu.IndicatorWidth = 50;
            tlMenu.CustomDrawNodeIndicator += (s, ee) =>
            {
                if (ee.IsNodeIndicator)
                {
                    var index = ee.Node.TreeList.GetVisibleIndexByNode(ee.Node);
                    ee.Info.DisplayText = (index + 1).ToString();
                }
            };
        }

        /// <summary>
        ///     选择后的回调事件
        /// </summary>
        public event EventHandler<UpdateParentEventArgs> UpdateParent;
        private void TreeList1_CustomDrawNodeCheckBox(object sender, DevExpress.XtraTreeList.CustomDrawNodeCheckBoxEventArgs e)
        {
            // 判断当前节点是否为叶子节点（无子节点）
            if (e.Node.Nodes.Count == 0)
            {
                // 允许绘制复选框（默认行为）
            }
            else
            {
                // 取消绘制复选框
                e.Handled = true;
            }
        }

        // 可选：处理节点展开事件，确保动态加载的子节点生效
        private void treeList1_BeforeExpand(object sender, BeforeExpandEventArgs e)
        {
            // 若子节点是动态加载的，在此处加载数据
            // LoadChildNodes(e.Node);
        }
        /// <summary>
        ///     读取列表
        /// </summary>
        private void getTree()
        {
            var pgq = new PageQueryModel(1, 999999, "a.defect_name");
            var json = JsonConvert.SerializeObject(pgq);
            try
            {
                var strReturn =
                    UtilityHelper.HttpPost("", "MesDefectCodeManager/GetListPage", json);
                var dd = UtilityHelper.ReturnToTablePage(strReturn);
                var dt = dd.rtnData.list;
                tlMenu.DataSource = dt;
                tlMenu.KeyFieldName = "guid";
                tlMenu.ParentFieldName = "pid";
                tlMenu.Tag = "defectName";
                tlMenu.EndUpdate();
                this.tlMenu.CollapseAll();
                //  tlMenu.OptionsBehavior.Editable = true;
                tlMenu.OptionsBehavior.AllowRecursiveNodeChecking = false;
                tlMenu.BestFitColumns();
            }
            catch (Exception ex)
            {
                MsgHelper.Warning("提示：" + ex.Message);
            }
        }


        #region MyRegion

        /// <summary>
        /// 获取选择状态的数据主键ID集合
        /// </summary>
        /// <param name="parentNode">父级节点</param>
        private void GetCheckedKeyID(TreeListNode parentNode)
        {
            if (parentNode.Nodes.Count == 0)
            {
                return;//递归终止
            }
            foreach (TreeListNode node in parentNode.Nodes)
            {
                if (node.CheckState == CheckState.Checked)
                {
                    DataRowView drv = tlMenu.GetDataRecordByNode(node) as DataRowView;//关键代码，就是不知道是这样获取数据而纠结了很久(鬼知道可以转换为DataRowView啊)
                    if (drv != null)
                    {
                        string KeyFieldName = (string)drv["defectName"];
                        lstCheckedKeyID.Add(KeyFieldName);
                    }
                }
                GetCheckedKeyID(node);
            }
        }
        /// <summary>
        /// 获取选中的节点
        /// </summary>
        /// <param name="tree"></param>
        private void findOrigin(DevExpress.XtraTreeList.TreeList tree)
        {
            this.lstCheckedKeyID.Clear();

            if (tree.Nodes.Count > 0)
            {
                foreach (TreeListNode root in tree.Nodes)
                {
                    GetCheckedKeyID(root);
                }
            }
        }

        #endregion
    }
}