PunkHPX8/PunkHPX8_MainPages/ViewModels/SignalTowerConfigViewModel.cs

using PunkHPX8_Core;
using MECF.Framework.Common.DataCenter;
using Prism.Commands;
using Prism.Mvvm;
using System;
using System.Collections.ObjectModel;
using System.Windows.Input;
using System.Xml;

namespace PunkHPX8_MainPages.ViewModels
{
    public class SignalTowerConfigViewModel : BindableBase
    {
        #region 内部变量
        /// <summary>
        /// SignalTowerDatas
        /// </summary>
        private ObservableCollection<SignalTowerItem> _signalTowerDatas = new ObservableCollection<SignalTowerItem>();
        /// <summary>
        /// SignalTower XML file
        /// </summary>
        private XmlDocument _xmlSignalTower;
        #endregion

        #region 属性
        /// <summary>
        /// SignalTowerDatas
        /// </summary>
        public ObservableCollection<SignalTowerItem> SignalTowerDatas
        {
            get { return _signalTowerDatas; }
            set
            {
                SetProperty(ref _signalTowerDatas, value);
            }
        }
        #endregion

        #region 命令
        /// <summary>
        /// Save Command
        /// </summary>
        public ICommand SaveConfigCommand { get; set; }
        #endregion

        /// <summary>
        /// 构造函数
        /// </summary>
        public SignalTowerConfigViewModel()
        {
            SaveConfigCommand = new DelegateCommand<object>(OnSaveConfig);

            _xmlSignalTower = new XmlDocument();
            string contentSignal = QueryDataClient.Instance.Service.GetTypedConfigContent("SignalTower", "");
            _xmlSignalTower.LoadXml(contentSignal);
            var items = _xmlSignalTower.SelectNodes($"STEvents/STEvent");
            foreach (var item in items)
            {
                XmlElement element = item as XmlElement;

                SignalTowerItem stItem = new SignalTowerItem();

                stItem.Name = element.GetAttribute("name");
                stItem.IsRed = string.Compare(element.GetAttribute("Red"), "on", StringComparison.CurrentCultureIgnoreCase) == 0;
                stItem.IsRedBlinking = string.Compare(element.GetAttribute("Red"), "blinking", StringComparison.CurrentCultureIgnoreCase) == 0;

                stItem.IsYellow = string.Compare(element.GetAttribute("Yellow"), "on", StringComparison.CurrentCultureIgnoreCase) == 0;
                stItem.IsYellowBlinking = string.Compare(element.GetAttribute("Yellow"), "blinking", StringComparison.CurrentCultureIgnoreCase) == 0;

                stItem.IsGreen = string.Compare(element.GetAttribute("Green"), "on", StringComparison.CurrentCultureIgnoreCase) == 0;
                stItem.IsGreenBlinking = string.Compare(element.GetAttribute("Green"), "blinking", StringComparison.CurrentCultureIgnoreCase) == 0;

                stItem.IsBlue = string.Compare(element.GetAttribute("Blue"), "on", StringComparison.CurrentCultureIgnoreCase) == 0;
                stItem.IsBlueBlinking = string.Compare(element.GetAttribute("Blue"), "blinking", StringComparison.CurrentCultureIgnoreCase) == 0;

                stItem.IsBuzzer = string.Compare(element.GetAttribute("Buzzer"), "on", StringComparison.CurrentCultureIgnoreCase) == 0;
                stItem.IsBuzzerBlinking = string.Compare(element.GetAttribute("Buzzer"), "blinking", StringComparison.CurrentCultureIgnoreCase) == 0;

                SignalTowerDatas.Add(stItem);
            }
        }
        /// <summary>
        /// 加载数据
        /// </summary>
        public void LoadData(string systemName)
        {

        }
        /// <summary>
        /// 隐藏
        /// </summary>
        public void Hide()
        {

        }

        #region 指令Action
        /// <summary>
        /// 保存设置
        /// </summary>
        /// <param name="param"></param>
        private void OnSaveConfig(object param)
        {
            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 SignalTowerDatas)
            {
                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
    }
}