83 lines
2.7 KiB
C#
83 lines
2.7 KiB
C#
using DM_Weight.Common;
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using DM_Weight.Models;
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using DM_Weight.util;
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using Prism.Commands;
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using Prism.Common;
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using Prism.Mvvm;
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using Prism.Regions;
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using System;
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using System.Collections.Generic;
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using System.Collections.ObjectModel;
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using System.Configuration;
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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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namespace DM_Weight.ViewModels
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{
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public class SettingMainWindowViewModel : BindableBase, INavigationAware, IRegionMemberLifetime
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{
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//设置页面数据集
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private ObservableCollection<SettingPage> _settingPages;
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public ObservableCollection<SettingPage> SettingPages
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{
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get => _settingPages;
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set => SetProperty(ref _settingPages, value);
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}
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//默认加载页面
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string defaultView = string.Empty;
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IRegionManager _regionManager;
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public SettingMainWindowViewModel(IRegionManager regionManager)
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{
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this._regionManager = regionManager;
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}
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//选中事件
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public DelegateCommand<string> NavigateCommand { get => new DelegateCommand<string>(navigateAction); }
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public bool KeepAlive => false;
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private void navigateAction(string obj)
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{
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if (obj == null || string.IsNullOrWhiteSpace(obj))
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{
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return;
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}
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defaultView = obj;
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_regionManager.RequestNavigate(PrismManager.SettingViewRegionName, defaultView);
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}
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public bool IsNavigationTarget(NavigationContext navigationContext)
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{
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return true;
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}
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public void OnNavigatedFrom(NavigationContext navigationContext)
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{
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}
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public void OnNavigatedTo(NavigationContext navigationContext)
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{
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if (SettingPages is null || SettingPages.Count <= 0)
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{
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//if (Convert.ToInt32(ConfigurationManager.AppSettings["hasFridge"]) <= 1)
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{
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SettingPages = new ObservableCollection<SettingPage>(SqlSugarHelper.Db.Queryable<SettingPage>().Where(p=>p.Id!="2").ToList());
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}
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//else
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//{
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// SettingPages = new ObservableCollection<SettingPage>(SqlSugarHelper.Db.Queryable<SettingPage>().Where(p => p.Id != "3").ToList());
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//}
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if (SettingPages.Count > 0)
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{
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if (string.IsNullOrEmpty(defaultView))
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{
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defaultView = SettingPages[0].ViewName;
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}
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_regionManager.RequestNavigate(PrismManager.SettingViewRegionName, defaultView);
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}
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}
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}
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}
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}
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