using DevExpress.XtraEditors;
using IStation.Untity;
using System;
using System.Collections.Generic;
using System.Linq;

namespace IStation.WinFrmUI.Basic
{
    /// <summary>
    /// 
    /// </summary>
    public partial class MonitorPointGroupTreeList : XtraUserControl
    {
        public MonitorPointGroupTreeList()
        {
            InitializeComponent();
            this.treeList1.InitialDefaultSettings();
            this.treeList1.SelectImageList = ImageLib.Lib;
            this.layoutControl1.SetupLayoutControl();
        }


        public class CurrentViewModel
        {
            public CurrentViewModel() { }

            public CurrentViewModel(Model.Station rhs)
            {
                Reset(rhs);
            }
            public CurrentViewModel(Model.MonitorPointGroup rhs)
            {
                Reset(rhs);
            }

            public void Reset(Model.Station rhs)
            {
                this.ID = rhs.ID;
                this.Name = rhs.Name;
                this.IsGroup = true;
                this.SortCode = rhs.SortCode;
                this.ImageIndex = ImageLib.Station;
                this.Model = rhs;
            }

            public void Reset(Model.MonitorPointGroup rhs)
            {
                this.ID = rhs.ID;
                this.ParentID = rhs.ParentIds == null || !rhs.ParentIds.Any()
                    ? rhs.BelongID : TreeParentIdsHelper.GetLastParentID(rhs.ParentIds);
                this.Name = rhs.Name;
                this.IsGroup = false;
                this.SortCode = rhs.SortCode;
                this.ImageIndex = ImageLib.Group;
                this.Model = rhs;
            }

            public long ID { get; set; }
            public long ParentID { get; set; }
            public string Name { get; set; }
            public bool IsGroup { get; set; }
            public int SortCode { get; set; }
            public int ImageIndex { get; set; }
            public object Model { get; set; }

        }

        /// <summary>
        /// 聚焦改变事件
        /// </summary> 
        public event Action<Model.MonitorPointGroup> FocusedChangedEvent;


        private BLL.MonitorPointGroup _bll = new BLL.MonitorPointGroup();
        private List<CurrentViewModel> _allBindingList = null;//所有绑定列表

        /// <summary>
        /// 绑定数据
        /// </summary>
        public void Clear()
        {
            _allBindingList = new List<CurrentViewModel>();
            this.treeList1.DataSource = _allBindingList;
            this.FocusedChangedEvent?.Invoke(null);
        }

        /// <summary>
        /// 绑定数据
        /// </summary>
        public void SetBindingData(string belongType, long belongId)
        {
            WaitFrmHelper.ShowWaitForm("正在加载数据...");

            _allBindingList = new List<CurrentViewModel>();
            var monitorPointGroups = _bll.GetByBelongTypeAndBelongID(belongType, belongId);
            if (monitorPointGroups != null && monitorPointGroups.Any())
            {
                foreach (var item in monitorPointGroups)
                {
                    var vm = new CurrentViewModel(item);
                    _allBindingList.Add(vm);
                }
            }

            this.bindingSource1.DataSource = _allBindingList;
            WaitFrmHelper.HideWaitForm();
        }

        //全部展开
        private void barBtnExpandAll_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
        {
            this.treeList1.ExpandAll();
        }

        //全部折叠 
        private void barBtnCollapseAll_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
        {
            this.treeList1.CollapseAll();
        }

        //检索
        private void barCkSearch_CheckedChanged(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
        {
            if (this.barCkSearch.Checked)
                this.treeList1.ShowFindPanel();
            else
                this.treeList1.HideFindPanel();
        }

        //聚焦改变前
        private void treeList1_BeforeFocusNode(object sender, DevExpress.XtraTreeList.BeforeFocusNodeEventArgs e)
        {
            var vm = this.treeList1.GetDataRecordByNode(e.Node) as CurrentViewModel;
            if (vm == null)
                return;
            e.CanFocus = !vm.IsGroup;
        }

        //聚焦改变
        private void treeList1_FocusedNodeChanged(object sender, DevExpress.XtraTreeList.FocusedNodeChangedEventArgs e)
        {
            var vm = this.treeList1.GetCurrentViewModel(_allBindingList);
            if (vm == null)
                return;
            this.FocusedChangedEvent?.Invoke(vm.Model as Model.MonitorPointGroup);
        }

    }
}