using DevExpress.XtraEditors;
using IStation.Untity;
using System;
using System.ComponentModel;
using System.Linq;

namespace IStation.WinFrmUI.Basic
{
    /// <summary>
    /// 
    /// </summary>
    public partial class EquipmentExTreeListCtrl : XtraUserControl
    {
        public EquipmentExTreeListCtrl()
        {
            InitializeComponent();
            this.treeList1.InitialDefaultSettings();
            this.treeList1.SelectImageList = ImageLib.Lib;
            this.layoutControl1.SetupLayoutControl();
            this.stationTreeListLookUpEdit1.SelectedChangedEvent += StationTreeListLookUpEdit1_SelectedChangedEvent; ;
        }

        public class CurrentViewModel
        {
            public CurrentViewModel() { }
            public CurrentViewModel(Model.EquipmentGroup rhs)
            {
                this.ID = rhs.ID;
                this.Name = rhs.Name;
                this.ParentID = TreeParentIdsHelper.GetLastParentID(rhs.ParentIds);
                this.ImageIndex = ImageLib.Group;
                this.IsGroup = true;
                this.Model = rhs;
            }

            public CurrentViewModel(Model.Equipment rhs)
            {
                this.ID = rhs.ID;
                this.Name = rhs.Name;
                this.ParentID = rhs.ParentIds == null || !rhs.ParentIds.Any() ? rhs.GroupID : TreeParentIdsHelper.GetLastParentID(rhs.ParentIds);
                this.ImageIndex = ImageLib.GetEquipmentImage(rhs.Catalog);
                this.Model = rhs;
            }

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


        /// <summary>
        /// 泵站改变事件
        /// </summary> 
        public event Action<Model.Station> StationChangedEvent;

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

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

        /// <summary>
        /// 绑定数据
        /// </summary>
        public void SetBindingData()
        {
            this.stationTreeListLookUpEdit1.SetBindingData();
        }

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


        //泵站变换
        private void StationTreeListLookUpEdit1_SelectedChangedEvent(Model.Station obj)
        {
            this.StationChangedEvent?.Invoke(obj);
            SetBindingData(obj);
        }

        /// <summary>
        /// 绑定数据
        /// </summary>
        private void SetBindingData(Model.Station model)
        {
            WaitFrmHelper.ShowWaitForm("正在加载数据...");
            _allBindingList = new BindingList<CurrentViewModel>();
            if (model != null)
            {
                var groups = new BLL.EquipmentGroup().GetByBelongTypeAndBelongID(IStation.ObjectType.Station, model.ID);
                if (groups != null && groups.Any())
                {
                    foreach (var item in groups)
                    {
                        var vm = new CurrentViewModel(item);
                        _allBindingList.Add(vm);
                    }
                }

                var equipmentList = _bll.GetByBelongTypeAndBelongID(IStation.ObjectType.Station, model.ID);
                if (equipmentList != null && equipmentList.Any())
                {
                    foreach (var item in equipmentList)
                    {
                        var vm = new CurrentViewModel(item);
                        _allBindingList.Add(vm);
                    }
                }
            }
            this.treeList1.DataSource = _allBindingList;
            this.treeList1.RefreshDataSource();
            this.treeList1.ExpandAll();
            WaitFrmHelper.HideWaitForm();
        }


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

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

        #region 菜单事件

        //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();
        }
        #endregion

    }
}