using DevExpress.XtraEditors;
using System.ComponentModel;
using Yw.Untity;

namespace ISupply.WinFrm.Main
{
    /// <summary>
    /// 
    /// </summary>
    public partial class BuildingExTreeListCtrl : XtraUserControl
    {
        public BuildingExTreeListCtrl()
        {
            InitializeComponent();
            this.treeList1.InitialDefaultSettings();
            this.treeList1.SelectImageList = ImageLib.Lib;
            this.layoutControl1.SetupLayoutControl();
            this.regionTreeListLookUpEdit1.SelectedChangedEvent += RegionTreeListLookUpEdit1_SelectedChangedEvent;
        }


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

            public CurrentViewModel(Model.Building rhs)
            {
                this.ID = rhs.ID;
                this.Name = rhs.Name;
                this.ParentID = rhs.RegionID;
                this.ImageIndex = ImageLib.Building;
                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>
        /// 聚焦改变事件
        /// </summary> 
        public event Action<Model.Building> FocusedChangedEvent;

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

        /// <summary>
        /// 绑定数据
        /// </summary>
        public void SetBindingData()
        {
            this.regionTreeListLookUpEdit1.SetBindingData();
        }

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


        //业务区域变换
        private void RegionTreeListLookUpEdit1_SelectedChangedEvent(Model.Region obj)
        {
            if (obj == null)
            {
                return;
            }
            SetBindingData(obj.ID);
        }

        /// <summary>
        /// 绑定数据
        /// </summary>
        private void SetBindingData(long regionId)
        {
            WaitFrmHelper.ShowWaitForm("正在加载数据...");
            _allBindingList = new BindingList<CurrentViewModel>();
            var buildings = _bll.GetByRegionID(regionId);
            if (buildings != null && buildings.Any())
            {
                foreach (var item in buildings)
                {
                    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.Building;
            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

    }
}