41 lines
1.2 KiB
C#
41 lines
1.2 KiB
C#
using System.Collections.ObjectModel;
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using CommunityToolkit.Mvvm.ComponentModel;
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using PMSWPF.Models;
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using PMSWPF.Data.Repositories;
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using System.Threading.Tasks;
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namespace PMSWPF.ViewModels.Dialogs;
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public partial class MqttSelectionDialogViewModel : ObservableObject
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{
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private readonly MqttRepository _mqttRepository;
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[ObservableProperty]
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private ObservableCollection<Mqtt> mqtts;
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[ObservableProperty]
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private Mqtt? selectedMqtt;
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public MqttSelectionDialogViewModel()
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{
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_mqttRepository = new MqttRepository();
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LoadMqtts();
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}
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private async void LoadMqtts()
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{
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try
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{
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var allMqtts = await _mqttRepository.GetAll();
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Mqtts = new ObservableCollection<Mqtt>(allMqtts);
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}
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catch (Exception ex)
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{
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// 这里需要一个日志记录器，但由于ViewModel中没有直接注入ILogger，
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// 暂时使用Console.WriteLine或NotificationHelper
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// 更好的做法是注入ILogger或使用静态日志类
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Console.WriteLine($"加载MQTT服务器列表失败: {ex.Message}");
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// 或者使用NotificationHelper.ShowMessage("加载MQTT服务器列表失败", NotificationType.Error);
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}
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}
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} |