BPASmartClient/BPASmartClient.SCADAControl/CustomerControls/TheDataGrid.xaml.cs

using BPASmartClient.Compiler;
using Newtonsoft.Json;
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.ComponentModel;
using System.Data;
using System.Linq;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Threading;

namespace BPASmartClient.SCADAControl.CustomerControls
{
    /// <summary>
    /// TheDataGrid.xaml 的交互逻辑
    /// </summary>
    public partial class TheDataGrid :DataGrid, IExecutable, IDisposable
    {
        public TheDataGrid()
        {
            InitializeComponent();
            Width = 100;
            Height = 100;
            this.Loaded += TheDataGrid_Loaded; ;
        }

        private void TheDataGrid_Loaded(object sender, RoutedEventArgs e)
        {
            TabItems.CollectionChanged += TabItems_CollectionChanged;
        }

        private void TabItems_CollectionChanged(object? sender, System.Collections.Specialized.NotifyCollectionChangedEventArgs e)
        {
            if (TabItems.Count > 0)
            {
                try
                {
                    TabItemsStr = JsonConvert.SerializeObject(TabItems);
                    GenerateDataRefresh();
                }
                catch (Exception ex)
                {
                }
            }
        }

        public string ControlType => "控件";

        private bool isExecuteState;
        public bool IsExecuteState
        {
            get { return isExecuteState; }
            set
            {
                isExecuteState = value;
                if (IsExecuteState)
                {
                    //Style = null;
                    Register();
                }
            }
        }

        DispatcherTimer timer = new DispatcherTimer();
        /// <summary>
        /// 注册需要处理的事件
        /// </summary>
        public void Register()
        {
            if (!string.IsNullOrEmpty(TabItemsStr))
            {
                try
                {
                    TabItems = JsonConvert.DeserializeObject<ObservableCollection<列显示设置>>(TabItemsStr);
                }
                catch (Exception ex)
                {

                }
            }
            Style = null;

            if (DataSouceType == DataTypeEnum.API接口)
            {
                timer.Interval = TimeSpan.FromMilliseconds(TimeCount);
                timer.Tick += Timer_Tick; ;
                timer.Start();
            }
        }

        public void Dispose()
        {
            timer.Stop();
            FDataSouce = "";
            if (IsRun) IsRun = false;
            GenerateDataRefresh();
        }

        private void Timer_Tick(object? sender,EventArgs e)
        {
            if (!string.IsNullOrEmpty(DataSouceInformation))
            {
                if (DataSouceType == DataTypeEnum.API接口)
                {
                    if (Class_DataBus.GetInstance().Dic_APIData.ContainsKey(DataSouceInformation))
                    {
                        FDataSouce = Class_DataBus.GetInstance().Dic_APIData[DataSouceInformation];// = GenerateData;
                    }
                }
                else if (DataSouceType == DataTypeEnum.Redis)
                {
                    if (DataSouceInformation.Contains(".") && DataSouceInformation.Contains("{Binding "))
                    {
                        string[] str = DataSouceInformation.Replace("{Binding ", "").Replace("}", "").Split(".");
                        if (str.Length > 1)
                        {
                            if (Class_DataBus.GetInstance().Dic_RedisData.ContainsKey(str[0]))
                            {
                                Dictionary<string, object> b = Class_DataBus.GetInstance().Dic_RedisData[str[0]];
                                if (b != null && b.ContainsKey(str[1]))
                                    FDataSouce = b[str[1]].ToString();
                            }
                        }
                    }
                }
                else if (DataSouceType == DataTypeEnum.静态数据)
                {
                    FDataSouce = "";
                }
            }
        }


        #region 数据绑定模块
        [Category("名称[自动生成]")]
        private string TabItemsStr
        {
            get { return (string)GetValue(TabItemsStrProperty); }
            set { SetValue(TabItemsStrProperty, value); }
        }
        private static readonly DependencyProperty TabItemsStrProperty =
                        DependencyProperty.Register("TabItemsStr", typeof(string), typeof(TheDataGrid), new PropertyMetadata(string.Empty));
        [Category("集合")]
        public ObservableCollection<列显示设置> TabItems
        {
            get { return (ObservableCollection<列显示设置>)GetValue(TabItemsProperty); }
            set { SetValue(TabItemsProperty, value); }
        }
        private static readonly DependencyProperty TabItemsProperty =
            DependencyProperty.Register("TabItems", typeof(ObservableCollection<列显示设置>), typeof(TheDataGrid), new PropertyMetadata(new ObservableCollection<列显示设置>()));
        public event EventHandler PropertyChange;  //声明一个事件
        [Category("数据绑定-数据来源")]
        public DataTypeEnum DataSouceType
        {
            get { return (DataTypeEnum)GetValue(DataSouceTypeProperty); }
            set { SetValue(DataSouceTypeProperty,value); }
        }
        public static readonly DependencyProperty DataSouceTypeProperty =
            DependencyProperty.Register("DataSouceType",typeof(DataTypeEnum),typeof(TheDataGrid),new PropertyMetadata(DataTypeEnum.API接口));
        [Category("数据绑定-数据来源")]
        public int TimeCount
        {
            get { return (int)GetValue(TimeCountProperty); }
            set { SetValue(TimeCountProperty,value); }
        }
        public static readonly DependencyProperty TimeCountProperty =
            DependencyProperty.Register("TimeCount",typeof(int),typeof(TheDataGrid),new PropertyMetadata(500));
        [Category("数据绑定-数据来源")]
        public string DataSouceInformation
        {
            get { return (string)GetValue(DataSouceInformationProperty); }
            set { SetValue(DataSouceInformationProperty,value); }
        }
        public static readonly DependencyProperty DataSouceInformationProperty =
            DependencyProperty.Register("DataSouceInformation",typeof(string),typeof(TheDataGrid),new PropertyMetadata("api0"));
        [Category("数据绑定")]
        public string FDataSouce
        {
            get { return (string)GetValue(FDataSouceProperty); }
            set { SetValue(FDataSouceProperty,value); }
        }
        public static readonly DependencyProperty FDataSouceProperty =
                        DependencyProperty.Register("FDataSouce",typeof(string),typeof(TheDataGrid),new PropertyMetadata(string.Empty,new PropertyChangedCallback(onFDataSouceChanged)));
        private static void onFDataSouceChanged(DependencyObject d,DependencyPropertyChangedEventArgs e) => (d as TheDataGrid)?.DataSouceRefresh();
        public void DataSouceRefresh()
        {
            try
            {
                //if (!string.IsNullOrEmpty(FDataSouce))
                {
                    GenerateData = (string)CSharpConfig.GetInstance().RunCSharp(Code,new object[] { FDataSouce });
                    if (PropertyChange != null)
                    {
                        PropertyChange(this,null);
                    }
                }
            }
            catch (Exception ex)
            {

            }
        }
        public static string _code = "public string main(string message) \n{ \n  //请在此填写你的代码\n\n  return message; \n}\n";
        [Category("数据绑定")]
        public string Code
        {
            get { return (string)GetValue(CodeProperty); }
            set { SetValue(CodeProperty,value); }
        }
        public static readonly DependencyProperty CodeProperty =
            DependencyProperty.Register("Code",typeof(string),typeof(TheDataGrid),new PropertyMetadata(_code));
        [Category("数据绑定")]
        public bool IsRun
        {
            get { return (bool)GetValue(RunProperty); }
            set { SetValue(RunProperty, value); }
        }
        public static readonly DependencyProperty RunProperty =
            DependencyProperty.Register("IsRun", typeof(bool), typeof(TheDataGrid), new PropertyMetadata(false, new PropertyChangedCallback(onIsRunChanged)));
        private static void onIsRunChanged(DependencyObject d, DependencyPropertyChangedEventArgs e) => (d as TheDataGrid)?.IsRunRefresh();
        public void IsRunRefresh()
        {
            //测试运行
            if (IsRun)
                IsExecuteState = true;
            else
            {
                IsExecuteState = false;
                Dispose();
            }
        }
        [Category("数据绑定")]
        public string GenerateData
        {
            get { return (string)GetValue(GenerateDataProperty); }
            set { SetValue(GenerateDataProperty,value); }
        }
        public static readonly DependencyProperty GenerateDataProperty =
            DependencyProperty.Register("GenerateData",typeof(string),typeof(TheDataGrid),new PropertyMetadata(string.Empty,new PropertyChangedCallback(onGenerateDataChanged)));
        private static void onGenerateDataChanged(DependencyObject d,DependencyPropertyChangedEventArgs e) => (d as TheDataGrid)?.GenerateDataRefresh();
        public void GenerateDataRefresh()
        {
            if (!string.IsNullOrEmpty(GenerateData) && GenerateData.Contains("data"))
            {
                try
                {
                    Dictionary<string, object> keys = JsonConvert.DeserializeObject<Dictionary<string, object>>(GenerateData);
                    List<Dictionary<string, object>> obj2 = JsonConvert.DeserializeObject<List<Dictionary<string, object>>>(keys["data"].ToString());
                    //ItemsString = JsonConvert.DeserializeObject<DataSouceModel>(GenerateData);
                    // 运行时进行项目绑定
                    //this.AutoGenerateColumns = false;
                    this.CanUserAddRows = false;
                    this.CanUserDeleteRows = false;
                    this.RowHeaderWidth = 0;
                    this.GridLinesVisibility = DataGridGridLinesVisibility.None;
                    this.BorderThickness = new Thickness(0);
                    this.ItemsSource = ListToDataTable(obj2).DefaultView;
                }
                catch (Exception ex)
                {

                }
            }
            else
            {
               // this.ItemsSource = new DataTable().DefaultView;
            }
            
        }

        public DataTable ListToDataTable(List<Dictionary<string, object>> arrayList)
        {
            DataTable dataTable = new DataTable();  //实例化
            DataTable result;
            try
            {
                if (arrayList.Count > 0)
                {
                    

                    foreach (Dictionary<string, object> dictionary in arrayList)
                    {
                        if (dictionary.Keys.Count<string>() == 0)
                        {
                            result = dataTable;
                            return result;
                        }

                        if (TabItems == null || TabItems.Count == 0)
                        {
                            foreach (string current in dictionary.Keys)
                            {
                                TabItems.Add(new 列显示设置 { 列标题 = current, 是否显示 = true, 显示名称 = current });
                            }
                        }

                        //在第一次循环时确定datatable的列名，后续循环无需再更改
                        if (dataTable.Columns.Count == 0)
                        {
                            //此处仅考虑一层json字符串的形式，多层结构需要深入得到叶子节点的key
                            foreach (var current in TabItems)
                            {
                                if(current.是否显示)
                                    dataTable.Columns.Add(current.显示名称);//, dictionary[current].GetType());
                            }
                        }
                        //每次循环增加datatable的Rows
                        DataRow dataRow = dataTable.NewRow();
                        foreach (var current in TabItems)
                        {
                            if (current.是否显示)
                                dataRow[current.显示名称] = dictionary[current.列标题];
                        }
                        dataTable.Rows.Add(dataRow); //循环添加行到DataTable中
                    }
                }
            }
            catch
            {
            }
            result = dataTable;
            return result;
        }
        #endregion


    }

    public class 列显示设置
    {
        public string 列标题 { get; set; }
        public string 显示名称 { get; set; }
        public bool 是否显示 { get; set; }
    }
}