Kepler-Release/Venus/Venus_MainPages/ViewModels/SignalTowerConfigViewModel.cs

using MECF.Framework.Common.DataCenter;
using Prism.Commands;
using Prism.Mvvm;
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Xml;
using Venus_Core;

namespace Venus_MainPages.ViewModels
{
    internal class SignalTowerConfigViewModel : BindableBase
    {
        #region 私有字段
        private ObservableCollection<SignalTowerItem> m_SignalTowerData = new ObservableCollection<SignalTowerItem>();
        private XmlDocument _xmlSignalTower;
        #endregion

        #region 属性
        public ObservableCollection<SignalTowerItem> SignalTowerData
        {
            get { return m_SignalTowerData; }
            set 
            {
                SetProperty(ref m_SignalTowerData, value);
            }
        }
        #endregion

        #region 命令
        private DelegateCommand _SignalTowerDataCommand;
        public DelegateCommand SignalTowerDataCommand =>
            _SignalTowerDataCommand ?? (_SignalTowerDataCommand = new DelegateCommand(OnSignalTowerData));
        #endregion

        #region 构造函数
        public SignalTowerConfigViewModel()
        {

            _xmlSignalTower=new XmlDocument();
            string contentSignal = QueryDataClient.Instance.Service.GetTypedConfigContent("SignalTower", "");
            _xmlSignalTower.LoadXml(contentSignal);


            string content = QueryDataClient.Instance.Service.GetTypedConfigContent("DataGroup", "");
            XmlDocument xmlContent = new XmlDocument();
            xmlContent.LoadXml(content);

            

            var groups = xmlContent.SelectNodes($"DataGroupConfig/DataGroup[@name='SignalTower']/DataItem");

            List<string> names = new List<string>();
            foreach (var item in groups)
            {
                XmlElement element = item as XmlElement;

                string name = element.GetAttribute("name");

                names.Add(name);

                if (SignalTowerData.FirstOrDefault(x => x.Name == name) == null)
                {
                    SignalTowerData.Add(new SignalTowerItem() { Name = name, });
                }
            }

        }
        #endregion

        #region 命令方法
        private void OnSignalTowerData()
        {
            var nodeGroup = _xmlSignalTower.SelectSingleNode($"STEvents");

            var nodeItem = _xmlSignalTower.SelectNodes($"STEvents/STEvent");
            foreach (var nodeGroupChildNode in nodeItem)
            {
                var node = nodeGroupChildNode as XmlElement;
                nodeGroup.RemoveChild(node);
            }

            foreach (var item in SignalTowerData)
            {
                var node = _xmlSignalTower.CreateElement("STEvent");
                node.SetAttribute("name", item.Name);
                node.SetAttribute("Red", item.IsRed ? "on" : item.IsRedBlinking ? "blinking" : "off");
                node.SetAttribute("Yellow", item.IsYellow ? "on" : item.IsYellowBlinking ? "blinking" : "off");
                node.SetAttribute("Blue", item.IsBlue ? "on" : item.IsBlueBlinking ? "blinking" : "off");
                node.SetAttribute("Green", item.IsGreen ? "on" : item.IsGreenBlinking ? "blinking" : "off");
                node.SetAttribute("Buzzer", item.IsBuzzer ? "on" : item.IsBuzzerBlinking ? "blinking" : "off");
                nodeGroup.AppendChild(node);
            }

            QueryDataClient.Instance.Service.SetTypedConfigContent("SignalTower", "", _xmlSignalTower.InnerXml);
        }
        #endregion
    }
}