127 lines
4.2 KiB
C#
127 lines
4.2 KiB
C#
using HandyControl.Controls;
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using Ping9719.WpfEx.Mvvm;
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using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Linq;
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using System.Reflection;
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using System.Text;
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using System.Threading.Tasks;
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using WCS.Model;
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namespace 智慧物流软件系统.ViewModel
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{
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//https://dandelioncloud.cn/article/details/1472765022102446082
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public class RoleEditTreeViewModel : BindableBase, ITreeNode<RoleEditTreeViewModel>
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{
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private bool IsSelect_;
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/// <summary>
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/// 是否选择
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/// </summary>
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public bool IsSelect { get => IsSelect_; set { SetProperty(ref IsSelect_, value); Linkage(value); } }
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/// <summary>
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/// 名称
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/// </summary>
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public string Name { get; set; }
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/// <summary>
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/// 主键Id
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/// </summary>
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public object Id { get; set; }
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/// <summary>
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/// 父Id
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/// </summary>
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public object Pid { get; set; }
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/// <summary>
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/// 父级
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/// </summary>
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public RoleEditTreeViewModel Parent { get; set; }
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/// <summary>
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/// 子级
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/// </summary>
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public List<RoleEditTreeViewModel> Children { get; set; }
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/// <summary>
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/// 联动
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/// </summary>
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public void Linkage(bool newbool)
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{
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//父级增加联动
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if (newbool && Parent != null)
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Parent.IsSelect = true;
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//子级联动
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if (!newbool && Children != null)
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foreach (var item in Children)
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item.IsSelect = false;
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}
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/// <summary>
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/// 得到数据
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/// </summary>
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/// <param name="select">选中的值</param>
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/// <returns></returns>
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public static List<RoleEditTreeViewModel> GetTreeViewModel(List<int> select)
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{
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//值,名称，父级，子级
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List<Tuple<int, string, int?, List<int>>> quan = new List<Tuple<int, string, int?, List<int>>>();
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List<RoleEditTreeViewModel> vmodel = new List<RoleEditTreeViewModel>();
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//1：解析枚举
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{
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Type type = typeof(AuthEnum);
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var fields = type.GetFields(BindingFlags.Static | BindingFlags.Public) ?? new FieldInfo[] { };
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foreach (var field in fields)
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{
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var attr = field.GetCustomAttribute<EnumTreeAttribute>(false);
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var attr1 = field.GetCustomAttribute<DescriptionAttribute>(false);
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var v0 = Convert.ToInt32(field.GetRawConstantValue());
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var v1 = attr1 == null ? field.Name : attr1.Description;
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var v2 = (int?)attr?.Parent;
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var v3 = attr?.Childs?.Select(o => (int)o)?.ToList();
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quan.Add(new Tuple<int, string, int?, List<int>>(v0, v1, v2, (v3 ?? new List<int>())));
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}
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}
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//2：翻译数据
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{
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vmodel.AddRange(quan.Select(o => new RoleEditTreeViewModel()
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{
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Id = o.Item1,
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Name = o.Item2,
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Pid = 0,
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IsSelect = select?.Contains(o.Item1) ?? false,
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}));
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//父子
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foreach (var item in vmodel)
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{
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var f = quan.FirstOrDefault(o => o.Item1 == (int)item.Id)?.Item3;
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if (f.HasValue)
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{
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item.Parent = vmodel.FirstOrDefault(o => (int)o.Id == f.Value);
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item.Pid = item.Parent.Id;
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}
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var ff = quan.FirstOrDefault(o => o.Item1 == (int)item.Id)?.Item4;
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if (ff != null && ff.Any())
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{
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foreach (var item2 in ff)
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{
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vmodel.FirstOrDefault(o => (int)o.Id == item2).Parent = item;
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vmodel.FirstOrDefault(o => (int)o.Id == item2).Pid = item.Id;
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}
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}
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}
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}
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//3：数据转为树对象
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vmodel = vmodel.ToTree();
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return vmodel;
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}
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}
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}
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