118 lines
3.4 KiB
C#
118 lines
3.4 KiB
C#
using MonitoringTechnology.Base;
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using MonitoringTechnology.Common;
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using MonitoringTechnology.Views;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using System.Windows;
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using System.Windows.Media;
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namespace MonitoringTechnology.ViewModels
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{
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public class MainViewModel : NotifyPropertyBase
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{
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/// <summary>
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/// 当前蓝牙设备是否已连接
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/// </summary>
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private string _isConnection;
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public string IsConnection
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{
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get { return _isConnection; }
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set { _isConnection = value; this.RaisePropertyChanged(); }
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}
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/// <summary>
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/// 连接标志 -绿色（已连接） / 红色（未连接）
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/// </summary>
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private SolidColorBrush brush;
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public SolidColorBrush Brush
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{
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get { return brush; }
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set { brush = value;this.RaisePropertyChanged(); }
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}
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/// <summary>
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/// 蓝牙名称
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/// </summary>
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private string _lYDevice;
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public string LYDevice
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{
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get { return _lYDevice; }
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set { _lYDevice = value;this.RaisePropertyChanged(); }
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}
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private UIElement _mainContent;
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public UIElement MainContent
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{
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get { return _mainContent; }
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set
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{
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Set<UIElement>(ref _mainContent, value);
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}
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}
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public CommandBase TabChangedCommand { get; set; }
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public MainViewModel()
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{
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TabChangedCommand = new CommandBase(OnTabChanged);
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OnTabChanged("MonitoringTechnology.Views.FirstPageView");
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///初始化底部系统状态信息
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if (SystemOperationView.isConnection)
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{
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this._isConnection = "已连接";
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this.brush = new SolidColorBrush(Color.FromRgb(0, 255, 127));
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}
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else
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{
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this._isConnection = "未连接";
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this.brush = new SolidColorBrush(Color.FromRgb(255, 0, 0));
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this._lYDevice = "";
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}
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}
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private void OnTabChanged(object obj)
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{
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if (obj == null) return;
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// 完整方式
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//string[] strValues = o.ToString().Split('|');
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//Assembly assembly = Assembly.LoadFrom(strValues[0]);
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//Type type = assembly.GetType(strValues[1]);
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//this.MainContent = (UIElement)Activator.CreateInstance(type);
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//切换页面之前清理一下内存
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tools.ClearMemory(this);
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// 简化方式，必须在同一个程序集下
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if (obj.ToString().Equals("MonitoringTechnology.Views.SystemOperationView"))
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{
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if (LYScanPage._bleDevice.Mac != null)
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{
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SystemOperationView view = new SystemOperationView(LYScanPage._bleDevice);
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MainWindow.mainViewModel.MainContent = view;
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}
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else
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{
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Type type = Type.GetType(obj.ToString());
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this.MainContent = (UIElement)Activator.CreateInstance(type);
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}
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}
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else
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{
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Type type = Type.GetType(obj.ToString());
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this.MainContent = (UIElement)Activator.CreateInstance(type);
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}
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}
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}
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}
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