public virtual void Clear()
{
SelectedItem = default(TViewModel);
using (BusyStack.GetToken())
_items.Clear();
}
public override void AddRange(IEnumerable <TViewModel> items)
{
if (items == null)
{
throw new ArgumentNullException(nameof(items), $"{nameof(items)} {Resources.IsRequired}");
}
using (BusyStack.GetToken())
{
var added = false;
var sequence = _sequenceProvider.Get(Items.Cast <ISequence>().ToList());
foreach (var item in items)
{
item.Sequence = sequence;
Add(item);
sequence++;
added = true;
}
if (SelectedItem == null && added)
{
SelectedItem = Items.First();
}
}
}
private FileSystemViewModel()
{
_busyStack = new BusyStack();
_busyStack.OnChanged += (hasItems) => IsBusy = hasItems;
SelectCommand = new RelayCommand <IFileSystemInfo>(SetSelectedItem, CanSetSelectedItem);
}
protected BaseDataViewModel(IMessenger messenger)
{
Messenger = messenger ?? throw new ArgumentNullException(nameof(messenger), $"{nameof(messenger)} {Resources.IsRequired}");
BusyStack = new BusyStack();
BusyStack.OnChanged += (isBusy) => IsBusy = isBusy;
ChangeTracker = new ChangeTracker();
}
protected MapleFileSystemBase(string name, string fullName, IDepth depth, IFileSystemDirectory parent, IMessenger messenger)
: this(messenger)
{
if (string.IsNullOrEmpty(name))
{
throw new ArgumentNullException(nameof(name), $"{nameof(name)} {Resources.IsRequired}");
}
if (string.IsNullOrEmpty(fullName))
{
throw new ArgumentNullException(nameof(fullName), $"{nameof(fullName)} {Resources.IsRequired}");
}
if (depth == null)
{
throw new ArgumentNullException(nameof(depth), $"{nameof(depth)} {Resources.IsRequired}");
}
if (!(this is IFileSystemDrive) && parent == null)
{
throw new ArgumentNullException(nameof(parent), $"{nameof(parent)} {Resources.IsRequired}");
}
using (BusyStack.GetToken())
{
Depth = depth;
Depth.Current++;
Name = name;
FullName = fullName;
Parent = parent;
}
}
/// <summary>
/// Refreshes this instance.
/// </summary>
/// <autogeneratedoc />
public override void Refresh()
{
using (BusyStack.GetToken())
{
OnFilterChanged(string.Empty);
}
}
protected ViewModel(IMessenger messenger)
{
BusyStack = new BusyStack();
BusyStack.OnChanged += (isBusy) => IsBusy = isBusy;
MessageTokens = new List <SubscriptionToken>();
Messenger = messenger ?? throw new ArgumentNullException(nameof(messenger), $"{nameof(messenger)} {Resources.IsRequired}");
}
/// <summary>
/// Adds the specified item.
/// </summary>
/// <param name="item">The item.</param>
/// <exception cref="System.ArgumentNullException">item</exception>
public virtual void Add(TViewModel item)
{
if (item == null)
{
throw new ArgumentNullException(nameof(item));
}
using (BusyStack.GetToken())
_items.Add(item);
}
/// <param name="items">The items.</param>
/// <exception cref="System.ArgumentNullException">items</exception>
public virtual void AddRange(IEnumerable <TViewModel> items)
{
if (items == null)
{
throw new ArgumentNullException(nameof(items));
}
using (BusyStack.GetToken())
_items.AddRange(items);
}
/// <param name="items">The items.</param>
/// <exception cref="System.ArgumentNullException">items</exception>
public virtual void RemoveRange(IList items)
{
if (items == null)
{
throw new ArgumentNullException(nameof(items));
}
using (BusyStack.GetToken())
_items.RemoveRange(items.Cast <TViewModel>());
}
public MapleDirectory(DirectoryInfo info, IDepth depth, IFileSystemDirectory parent, IMessenger messenger, ILoggingService loggingService)
: base(info.Name, info.FullName, depth, parent, messenger, loggingService)
{
using (BusyStack.GetToken())
{
if (!Depth.IsMaxReached)
{
Refresh();
}
}
}
public override void Refresh()
{
using (BusyStack.GetToken())
{
Children.Clear();
Children.AddRange(FileSystemExtensions.GetChildren(this, Depth, Messenger, _loggingService));
HasContainers = Children.Any(p => p is MapleFileSystemContainerBase);
OnFilterChanged(string.Empty);
}
}
/// <summary>
/// Initializes a new instance of the <see cref="MapleDrive"/> class.
/// </summary>
/// <param name="info">The information.</param>
/// <param name="depth">The depth.</param>
/// <autogeneratedoc />
public MapleDrive(DriveInfo info, IDepth depth, IMessenger messenger, ILoggingService loggingService)
: base(info.Name, info.Name, depth, null, messenger, loggingService)
{
using (BusyStack.GetToken())
{
if (!Depth.IsMaxReached)
{
Refresh();
}
}
}
public override void OnFilterChanged(string filter)
{
using (BusyStack.GetToken())
{
Filter = filter;
Children.ForEach(p => p.LoadMetaData());
Children.ForEach(p => p.Filter = filter);
using (DefaultCollectionView.DeferRefresh())
DefaultCollectionView.Filter = SearchFilter;
}
}
public MapleFile(FileInfo info, IDepth depth, IFileSystemDirectory parent, IMessenger messenger)
: base(info.Name, info.FullName, depth, parent, messenger)
{
using (BusyStack.GetToken())
{
if (!Depth.IsMaxReached)
{
Refresh();
IsExpanded = true;
}
}
}
/// <summary>
/// Removes the range.
/// </summary>
/// <param name="items">The items.</param>
public override void RemoveRange(IEnumerable <TViewModel> items)
{
if (items == null)
{
throw new ArgumentNullException(nameof(items), $"{nameof(items)} {Resources.IsRequired}");
}
using (BusyStack.GetToken())
{
items.ForEach(p => p.Model.IsDeleted = true);
base.RemoveRange(items);
}
}
private MapleFileSystemBase()
{
_busyStack = new BusyStack();
_busyStack.OnChanged += (hasItems) => IsBusy = hasItems;
LoadCommand = new RelayCommand(Load, CanLoad);
RefreshCommand = new RelayCommand(Refresh, CanRefresh);
DeleteCommand = new RelayCommand(Delete, CanDelete);
Exists = true;
IsHidden = false;
IsContainer = false;
HasContainers = false;
}
/// <summary>
/// Removes the range.
/// </summary>
/// <param name="items">The items.</param>
/// <exception cref="System.ArgumentNullException">items</exception>
public override void RemoveRange(IList items)
{
if (items == null)
{
throw new ArgumentNullException(nameof(items), $"{nameof(items)} {Resources.IsRequired}");
}
using (BusyStack.GetToken())
{
foreach (var item in items)
{
Remove(item as TViewModel);
}
}
}
/// <summary>
/// Removes the specified item.
/// </summary>
/// <param name="item">The item.</param>
public override void Remove(TViewModel viewModel)
{
if (viewModel == null)
{
throw new ArgumentNullException(nameof(viewModel), $"{nameof(viewModel)} {Resources.IsRequired}");
}
using (BusyStack.GetToken())
{
while (Items.Contains(viewModel))
{
viewModel.Model.IsDeleted = true;
base.Remove(viewModel);
}
}
}
public FileSystemViewModel(IMessenger messenger, ILoggingService loggingService)
: base(messenger)
{
using (BusyStack.GetToken())
{
DisplayListView = false;
Drives = new RangeObservableCollection <MapleDrive>();
SelectedItems = new RangeObservableCollection <IFileSystemInfo>();
var drives = DriveInfo.GetDrives()
.Where(p => p.IsReady && p.DriveType != DriveType.CDRom && p.DriveType != DriveType.Unknown)
.Select(p => new MapleDrive(p, new FileSystemDepth(0), Messenger, loggingService))
.ToList();
Drives.AddRange(drives);
SelectCommand = new RelayCommand <object>(SetSelectedItem, CanSetSelectedItem);
}
}
protected MapleFileSystemContainerBase(string name, string fullName, IDepth depth, IFileSystemDirectory parent, IMessenger messenger, ILoggingService loggingService)
: base(name, fullName, depth, parent, messenger)
{
using (BusyStack.GetToken())
{
IsContainer = true;
Children = new RangeObservableCollection <IFileSystemInfo>();
NoFilesCollectionView = CollectionViewSource.GetDefaultView(Children);
DefaultCollectionView = CollectionViewSource.GetDefaultView(Children);
using (NoFilesCollectionView.DeferRefresh())
NoFilesCollectionView.Filter = NoFilesFilter;
using (DefaultCollectionView.DeferRefresh())
DefaultCollectionView.Filter = SearchFilter;
_loggingService = loggingService ?? throw new ArgumentNullException(nameof(loggingService), $"{nameof(loggingService)} {Resources.IsRequired}");
}
}
/// <summary>
/// Initializes a new instance of the <see cref="FileSystemViewModel"/> class.
/// </summary>
/// <autogeneratedoc />
public FileSystemViewModel()
{
_busyStack = new BusyStack();
_busyStack.OnChanged += (hasItems) => IsBusy = hasItems;
SelectCommand = new RelayCommand <IFileSystemInfo>(SetSelectedItem, CanSetSelectedItem);
using (_busyStack.GetToken())
{
DisplayListView = false;
Drives = new RangeObservableCollection <MapleDrive>();
SelectedItems = new RangeObservableCollection <IFileSystemInfo>();
SelectedDetailItems = new RangeObservableCollection <IFileSystemInfo>();
var drives = DriveInfo.GetDrives()
.Where(p => p.IsReady && p.DriveType != DriveType.CDRom && p.DriveType != DriveType.Unknown)
.Select(p => new MapleDrive(p, new FileSystemDepth(0)))
.ToList();
Drives.AddRange(drives);
}
}
/// <summary>
/// Initializes a new instance of the <see cref="BusyToken"/> class.
/// </summary>
/// <param name="stack">The stack.</param>
public BusyToken(BusyStack stack) : base(stack)
{
stack.Push(this);
}
public RangeObservableCollection()
: base()
{
_busyStack = new BusyStack();
_busyStack.OnChanged += (updatePending) => _suppressNotification = updatePending;
}
/// <summary>
/// Removes the specified item.
/// </summary>
/// <param name="item">The item.</param>
public virtual void Remove(TViewModel item)
{
using (BusyStack.GetToken())
_items.Remove(item);
}
