109 lines
3.8 KiB
C#
109 lines
3.8 KiB
C#
using FileManager_UWP.Model;
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using FileManager_UWP.Service;
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using GalaSoft.MvvmLight;
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using GalaSoft.MvvmLight.Command;
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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.Diagnostics;
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using Windows.Storage;
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using Windows.UI.Xaml.Controls;
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using Type = FileManager_UWP.Model.Type;
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namespace FileManager_UWP.ViewModel {
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public class FileListViewModel: ViewModelBase {
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public ObservableCollection<LabelItem> Labels =
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new ObservableCollection<LabelItem>{
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new LabelItem("照片"),
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new LabelItem("土耳其摔跤"),
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new LabelItem("李若明"),
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new LabelItem("鸢晓曼"),
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new LabelItem("才明洋与吴岳江进行土耳其摔跤"),
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new LabelItem("真正的瑜伽大师")
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};
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/// <summary>
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/// 当前路径
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/// </summary>
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private string _path = "C:\\";
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public string Path {
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get => _path;
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set => Set(nameof(Path), ref _path, value);
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}
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/// <summary>
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/// 文件和文件夹列表
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/// </summary>
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private IEnumerable<Displayable> _displayFileFolderItems;
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public IEnumerable<Displayable> DisplayFileFolderItems {
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get => _displayFileFolderItems;
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set => Set(nameof(DisplayFileFolderItems), ref _displayFileFolderItems, value);
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}
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private string _debugText;
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public string DebugText {
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get => _debugText;
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set => Set(nameof(DebugText), ref _debugText, value);
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}
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/// <summary>
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/// 刷新命令
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/// </summary>
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private RelayCommand _refreshCommand;
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public RelayCommand RefreshCommand =>
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_refreshCommand ?? (_refreshCommand = new RelayCommand(async () => {
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Debug.WriteLine("Refresh");
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try {
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var fileService = new FileService();
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var fileList = await fileService.GetDisplayFileFolderList(Path);
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DisplayFileFolderItems = fileList;
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} catch (System.UnauthorizedAccessException) {
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ContentDialog noWifiDialog = new ContentDialog {
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Title = "无文件系统访问权限",
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Content = "请在设置->隐私->文件系统中为FileManager_UWP开启文件系统访问权限。",
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CloseButtonText = "行"
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};
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ContentDialogResult result = await noWifiDialog.ShowAsync();
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} catch (Exception e) {
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Debug.WriteLine(e.Message);
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}
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}));
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private object _listSelectedItem;
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public object ListSelectedItem {
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get => _listSelectedItem;
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set => Set(nameof(ListSelectedItem), ref _listSelectedItem, value);
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}
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private List<object> _listSelectedItems;
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public List<object> ListSelectedItems {
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get => _listSelectedItems;
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set => Set(nameof(ListSelectedItems), ref _listSelectedItems, value);
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}
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/// <summary>
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/// 刷新命令
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/// </summary>
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private RelayCommand _doubleTappedCommand;
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public RelayCommand DoubleTappedCommand =>
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_doubleTappedCommand ?? (_doubleTappedCommand = new RelayCommand(
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() => {
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StackPanel sp = ListSelectedItem as StackPanel;
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Displayable i = sp.GetValue(StackPanel.TagProperty) as Displayable;
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//Displayable i = ListSelectedItem as Displayable;
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Debug.WriteLine("Double tapped");
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if (i != null && (i.Type != Type.File)) {
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Path = i.Path;
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RefreshCommand.Execute(null);
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}
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}));
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}
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}
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