93 lines
3.0 KiB
C#
93 lines
3.0 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.Diagnostics;
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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 Windows.Storage;
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using Windows.UI.Xaml.Controls;
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using Windows.UI.Xaml.Input;
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namespace FileManager_UWP.ViewModel {
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public class FileListViewModel : ViewModelBase {
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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<DisplayFileFolderItem> _displayFileFolderItems;
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public IEnumerable<DisplayFileFolderItem> 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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var fileService = new FileService();
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var fileList = await fileService.GetDisplayFileFolderList(Path);
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DisplayFileFolderItems = fileList;
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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
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{
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Set(nameof(ListSelectedItem), ref _listSelectedItem, value);
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}
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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 {
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Debug.WriteLine("Select " + ((DisplayFileFolderItem)ListSelectedItems[0]).Name);
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Set(nameof(ListSelectedItems), ref _listSelectedItems, value);
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}
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}
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public void HandleDoubleTapped(object sender, DoubleTappedRoutedEventArgs e) {
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DisplayFileFolderItem i = ListSelectedItem as DisplayFileFolderItem;
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Debug.WriteLine("Double tapped");
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if (i != null && i.IsFolder) {
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Debug.WriteLine("double tapped: " + i.Name);
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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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public void ListViewBase_OnItemClick(object sender, ItemClickEventArgs e) {
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DisplayFileFolderItem i = e.ClickedItem as DisplayFileFolderItem;
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Debug.WriteLine("Clicked");
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if (i != null && i.IsFolder) {
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Debug.WriteLine("Clicked: " + i.Name);
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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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