fix: fix identation, fix error theme in demo.
This commit is contained in:
rabbitism
parent
17fa10333a
commit
1c98ce4682
@ -112,10 +112,18 @@
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</MultiBinding>
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</Image.Source>
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</Image>
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<TextBox VerticalAlignment="Center" Text="{Binding Name}" />
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<TextBox
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VerticalAlignment="Center"
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Classes="Small"
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Text="{Binding Name}">
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<TextBox.Styles>
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<Style Selector="DataValidationErrors">
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<Setter Property="Theme" Value="{DynamicResource TooltipDataValidationErrors}" />
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</Style>
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</TextBox.Styles>
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</TextBox>
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</StackPanel>
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</DataTemplate>
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</TreeDataGrid.Resources>
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<TreeDataGrid.Styles>
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<Style Selector="TreeDataGrid TreeDataGridRow:nth-child(2n)">
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@ -171,219 +171,216 @@ public class FilesPageViewModel: ObservableObject
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public class FileNodeViewModel: ObservableObject, IEditableObject
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{
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private string _path;
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private string _name;
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private string? _undoName;
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private long? _size;
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private DateTimeOffset? _modified;
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private FileSystemWatcher? _watcher;
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private ObservableCollection<FileNodeViewModel>? _children;
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private bool _hasChildren = true;
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private bool _isExpanded;
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private string _name;
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private string? _undoName;
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private long? _size;
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private DateTimeOffset? _modified;
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private FileSystemWatcher? _watcher;
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private ObservableCollection<FileNodeViewModel>? _children;
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private bool _hasChildren = true;
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private bool _isExpanded;
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public FileNodeViewModel(
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string path,
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bool isDirectory,
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bool isRoot = false)
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public FileNodeViewModel( string path, bool isDirectory, bool isRoot = false)
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{
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_path = path;
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_name = isRoot ? path : System.IO.Path.GetFileName(Path);
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_isExpanded = isRoot;
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IsDirectory = isDirectory;
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HasChildren = isDirectory;
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if (!isDirectory)
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{
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_path = path;
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_name = isRoot ? path : System.IO.Path.GetFileName(Path);
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_isExpanded = isRoot;
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IsDirectory = isDirectory;
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HasChildren = isDirectory;
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var info = new FileInfo(path);
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Size = info.Length;
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Modified = info.LastWriteTimeUtc;
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}
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}
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if (!isDirectory)
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{
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var info = new FileInfo(path);
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Size = info.Length;
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Modified = info.LastWriteTimeUtc;
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}
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public string Path
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{
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get => _path;
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private set => SetProperty(ref _path, value);
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}
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public string Name
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{
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get => _name;
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private set => SetProperty(ref _name, value);
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}
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public long? Size
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{
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get => _size;
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private set => SetProperty(ref _size, value);
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}
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public DateTimeOffset? Modified
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{
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get => _modified;
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private set => SetProperty(ref _modified, value);
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}
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public bool HasChildren
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{
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get => _hasChildren;
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private set => SetProperty(ref _hasChildren, value);
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}
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public bool IsExpanded
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{
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get => _isExpanded;
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set => SetProperty(ref _isExpanded, value);
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}
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public bool IsChecked { get; set; }
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public bool IsDirectory { get; }
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public IReadOnlyList<FileNodeViewModel> Children => _children ??= LoadChildren();
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private ObservableCollection<FileNodeViewModel> LoadChildren()
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{
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if (!IsDirectory)
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{
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throw new NotSupportedException();
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}
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public string Path
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var options = new EnumerationOptions { IgnoreInaccessible = true };
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var result = new ObservableCollection<FileNodeViewModel>();
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foreach (var d in Directory.EnumerateDirectories(Path, "*", options))
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{
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get => _path;
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private set => SetProperty(ref _path, value);
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result.Add(new FileNodeViewModel(d, true));
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}
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public string Name
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foreach (var f in Directory.EnumerateFiles(Path, "*", options))
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{
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get => _name;
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private set => SetProperty(ref _name, value);
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result.Add(new FileNodeViewModel(f, false));
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}
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public long? Size
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_watcher = new FileSystemWatcher
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{
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get => _size;
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private set => SetProperty(ref _size, value);
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}
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Path = Path,
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NotifyFilter = NotifyFilters.FileName | NotifyFilters.Size | NotifyFilters.LastWrite,
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};
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public DateTimeOffset? Modified
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_watcher.Changed += OnChanged;
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_watcher.Created += OnCreated;
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_watcher.Deleted += OnDeleted;
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_watcher.Renamed += OnRenamed;
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_watcher.EnableRaisingEvents = true;
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if (result.Count == 0)
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HasChildren = false;
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return result;
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}
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public static Comparison<FileNodeViewModel?> SortAscending<T>(Func<FileNodeViewModel, T> selector)
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{
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return (x, y) =>
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{
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get => _modified;
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private set => SetProperty(ref _modified, value);
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}
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if (x is null && y is null)
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return 0;
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else if (x is null)
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return -1;
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else if (y is null)
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return 1;
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if (x.IsDirectory == y.IsDirectory)
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return Comparer<T>.Default.Compare(selector(x), selector(y));
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else if (x.IsDirectory)
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return -1;
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else
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return 1;
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};
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}
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public bool HasChildren
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public static Comparison<FileNodeViewModel?> SortDescending<T>(Func<FileNodeViewModel, T> selector)
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{
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return (x, y) =>
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{
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get => _hasChildren;
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private set => SetProperty(ref _hasChildren, value);
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}
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if (x is null && y is null)
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return 0;
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else if (x is null)
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return 1;
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else if (y is null)
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return -1;
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if (x.IsDirectory == y.IsDirectory)
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return Comparer<T>.Default.Compare(selector(y), selector(x));
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else if (x.IsDirectory)
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return -1;
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else
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return 1;
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};
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}
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public bool IsExpanded
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{
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get => _isExpanded;
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set => SetProperty(ref _isExpanded, value);
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}
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void IEditableObject.BeginEdit() => _undoName = _name;
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void IEditableObject.CancelEdit() => _name = _undoName!;
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void IEditableObject.EndEdit() => _undoName = null;
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public bool IsChecked { get; set; }
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public bool IsDirectory { get; }
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public IReadOnlyList<FileNodeViewModel> Children => _children ??= LoadChildren();
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private ObservableCollection<FileNodeViewModel> LoadChildren()
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{
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if (!IsDirectory)
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{
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throw new NotSupportedException();
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}
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var options = new EnumerationOptions { IgnoreInaccessible = true };
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var result = new ObservableCollection<FileNodeViewModel>();
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foreach (var d in Directory.EnumerateDirectories(Path, "*", options))
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{
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result.Add(new FileNodeViewModel(d, true));
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}
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foreach (var f in Directory.EnumerateFiles(Path, "*", options))
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{
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result.Add(new FileNodeViewModel(f, false));
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}
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_watcher = new FileSystemWatcher
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{
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Path = Path,
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NotifyFilter = NotifyFilters.FileName | NotifyFilters.Size | NotifyFilters.LastWrite,
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};
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_watcher.Changed += OnChanged;
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_watcher.Created += OnCreated;
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_watcher.Deleted += OnDeleted;
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_watcher.Renamed += OnRenamed;
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_watcher.EnableRaisingEvents = true;
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if (result.Count == 0)
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HasChildren = false;
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return result;
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}
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public static Comparison<FileNodeViewModel?> SortAscending<T>(Func<FileNodeViewModel, T> selector)
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{
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return (x, y) =>
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{
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if (x is null && y is null)
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return 0;
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else if (x is null)
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return -1;
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else if (y is null)
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return 1;
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if (x.IsDirectory == y.IsDirectory)
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return Comparer<T>.Default.Compare(selector(x), selector(y));
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else if (x.IsDirectory)
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return -1;
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else
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return 1;
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};
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}
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public static Comparison<FileNodeViewModel?> SortDescending<T>(Func<FileNodeViewModel, T> selector)
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{
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return (x, y) =>
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{
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if (x is null && y is null)
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return 0;
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else if (x is null)
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return 1;
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else if (y is null)
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return -1;
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if (x.IsDirectory == y.IsDirectory)
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return Comparer<T>.Default.Compare(selector(y), selector(x));
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else if (x.IsDirectory)
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return -1;
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else
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return 1;
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};
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}
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void IEditableObject.BeginEdit() => _undoName = _name;
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void IEditableObject.CancelEdit() => _name = _undoName!;
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void IEditableObject.EndEdit() => _undoName = null;
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private void OnChanged(object sender, FileSystemEventArgs e)
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{
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if (e.ChangeType == WatcherChangeTypes.Changed && File.Exists(e.FullPath))
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{
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Dispatcher.UIThread.Post(() =>
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{
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foreach (var child in _children!)
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{
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if (child.Path == e.FullPath)
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{
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if (!child.IsDirectory)
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{
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var info = new FileInfo(e.FullPath);
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child.Size = info.Length;
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child.Modified = info.LastWriteTimeUtc;
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}
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break;
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}
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}
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});
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}
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}
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private void OnCreated(object sender, FileSystemEventArgs e)
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{
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Dispatcher.UIThread.Post(() =>
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{
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var node = new FileNodeViewModel(
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e.FullPath,
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File.GetAttributes(e.FullPath).HasFlag(FileAttributes.Directory));
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_children!.Add(node);
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});
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}
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private void OnDeleted(object sender, FileSystemEventArgs e)
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{
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Dispatcher.UIThread.Post(() =>
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{
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for (var i = 0; i < _children!.Count; ++i)
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{
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if (_children[i].Path == e.FullPath)
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{
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_children.RemoveAt(i);
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System.Diagnostics.Debug.WriteLine($"Removed {e.FullPath}");
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break;
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}
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}
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});
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}
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private void OnRenamed(object sender, RenamedEventArgs e)
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private void OnChanged(object sender, FileSystemEventArgs e)
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{
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if (e.ChangeType == WatcherChangeTypes.Changed && File.Exists(e.FullPath))
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{
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Dispatcher.UIThread.Post(() =>
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{
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foreach (var child in _children!)
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{
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if (child.Path == e.OldFullPath)
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if (child.Path == e.FullPath)
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{
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child.Path = e.FullPath;
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child.Name = e.Name ?? string.Empty;
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if (!child.IsDirectory)
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{
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var info = new FileInfo(e.FullPath);
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child.Size = info.Length;
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child.Modified = info.LastWriteTimeUtc;
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}
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break;
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}
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}
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});
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}
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}
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private void OnCreated(object sender, FileSystemEventArgs e)
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{
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Dispatcher.UIThread.Post(() =>
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{
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var node = new FileNodeViewModel(
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e.FullPath,
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File.GetAttributes(e.FullPath).HasFlag(FileAttributes.Directory));
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_children!.Add(node);
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});
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}
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private void OnDeleted(object sender, FileSystemEventArgs e)
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{
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Dispatcher.UIThread.Post(() =>
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{
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for (var i = 0; i < _children!.Count; ++i)
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{
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if (_children[i].Path == e.FullPath)
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{
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_children.RemoveAt(i);
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System.Diagnostics.Debug.WriteLine($"Removed {e.FullPath}");
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break;
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}
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}
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});
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}
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private void OnRenamed(object sender, RenamedEventArgs e)
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{
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Dispatcher.UIThread.Post(() =>
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{
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foreach (var child in _children!)
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{
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if (child.Path == e.OldFullPath)
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{
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child.Path = e.FullPath;
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child.Name = e.Name ?? string.Empty;
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break;
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}
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}
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});
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}
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}
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internal static class ListExtensions
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