private static IList <TSource> Sort <TSource, TKey>(IList <TSource> items, IList <TKey> keys,
int begin, int end, int insertionSortCount, IComparer <TKey> comparer)
{
for (int i = begin; i < end; i += insertionSortCount)
{
InsertionSort.Sort(items, keys, i, Math.Min(i + insertionSortCount, end), comparer);
}
IList <TSource> srcValues = items;
IList <TKey> srcKeys = keys;
IList <TSource> destValues = new TSource[items.Count];
IList <TKey> destKeys = new TKey[items.Count];
for (int i = insertionSortCount; i < end - begin; i *= 2)
{
for (int j = begin; j < end; j += i * 2)
{
Merge(srcValues, srcKeys, destValues, destKeys, j, i, end, comparer);
}
StdUtils.Swap(ref srcValues, ref destValues);
StdUtils.Swap(ref srcKeys, ref destKeys);
}
return(srcValues);
}
private async void TblErrorFiles_PointerReleased(object sender, PointerRoutedEventArgs e)
{
IList <ErrorFilePair> pairs = (IList <ErrorFilePair>)((FrameworkElement)sender).DataContext;
if (pairs.Count == 0)
{
await DialogUtils.ShowSafeAsync("<none>", "Errors");
return;
}
int i = 0;
while (true)
{
ErrorFilePair errorPair = pairs[i];
string title = $"Error: {i + 1} / {pairs.Count}";
string message = $"{errorPair.Pair.RelativePath}\r\n{errorPair.Exception}";
ContentDialogResult result = await DialogUtils.ShowContentAsync(message, title, "Cancel", "Previous", "Next", ContentDialogButton.Secondary);
if (result == ContentDialogResult.Primary)
{
i = StdUtils.OffsetIndex(i, pairs.Count, -1).index;
}
else if (result == ContentDialogResult.Secondary)
{
i = StdUtils.OffsetIndex(i, pairs.Count, 1).index;
}
else
{
break;
}
}
}
protected virtual bool SerialzeObject(string propertyName, object value)
{
try
{
return(SetValue(propertyName, value != null ? StdUtils.XmlSerialize(value) : string.Empty));
}
catch
{
return(false);
}
}
public static T ElementAtCycle <T>(this IEnumerable <T> source, int index, int count)
{
index = StdUtils.CycleIndex(index, count);
if (source is IList <T> list)
{
return(list[index]);
}
return(source.ElementAt(index));
}
public static T ElementAtCycle <T>(this ICollection <T> source, int index)
{
index = StdUtils.CycleIndex(index, source.Count);
if (source is IList <T> list)
{
return(list[index]);
}
return(source.ElementAt(index));
}
private void SaveSyncs()
{
try
{
StdUtils.XmlSerialize(syncsFilePath, viewModel.Syncs);
}
catch (Exception e)
{
Settings.Current.OnSyncException(new Exception("Save syncs error", e));
}
}
private void BtnInfo_Click(object sender, RoutedEventArgs e)
{
FileSystemImage img = viewModel.CurrentImage;
BitmapSource crop = (BitmapSource)img?.CroppedImage;
string text =
$"Image: {img?.Image?.PixelWidth} x {img?.Image?.PixelHeight}\r\n" +
$"Crop: {crop?.PixelWidth ?? -1} x {crop?.PixelHeight ?? -1}\r\n" +
$"Size: {StdUtils.GetFormattedFileSize(img?.File.Length ?? -1)}";
MessageBox.Show(text);
}
private static bool AskCopy(FileInfo srcFile, string destFileName)
{
FileInfo destFile = new FileInfo(destFileName);
string message =
$"Replace file?\r\nSource: {srcFile.FullName}\r\n" +
$"Size {StdUtils.GetFormattedFileSize(srcFile.Length)}\r\n" +
$"Destination: {destFileName}\r\n" +
$"Size {StdUtils.GetFormattedFileSize(destFile.Length)}";
return(MessageBox.Show(message, "Replace?", MessageBoxButton.YesNo,
MessageBoxImage.Warning, MessageBoxResult.No) == MessageBoxResult.Yes);
}
private void TbxSearch_PreviewKeyDown(object sender, KeyEventArgs e)
{
IAudioService service = viewModel.AudioServiceUI;
if (service == null)
{
return;
}
e.Handled = true;
switch (e.Key)
{
case Key.Enter:
if (lbxSongs.SelectedItem is Song)
{
bool prepend = Keyboard.IsKeyDown(Key.LeftCtrl) || Keyboard.IsKeyDown(Key.RightCtrl);
Song addSong = (Song)lbxSongs.SelectedItem;
viewModel.AudioServiceUI.AddSongsToFirstPlaylist(new Song[] { addSong }, prepend);
service.PlayState = PlaybackState.Playing;
}
break;
case Key.Escape:
service.SearchKey = string.Empty;
break;
case Key.Up:
if (lbxSongs.Items.Count > 0 && viewModel.AudioServiceUI?.IsSearching == true)
{
isChangingSelectedSongIndex = true;
lbxSongs.SelectedIndex =
StdUtils.OffsetIndex(lbxSongs.SelectedIndex, lbxSongs.Items.Count, -1).index;
isChangingSelectedSongIndex = false;
}
break;
case Key.Down:
if (lbxSongs.Items.Count > 0 && viewModel.AudioServiceUI?.IsSearching == true)
{
isChangingSelectedSongIndex = true;
lbxSongs.SelectedIndex =
StdUtils.OffsetIndex(lbxSongs.SelectedIndex, lbxSongs.Items.Count, 1).index;
isChangingSelectedSongIndex = false;
}
break;
default:
e.Handled = false;
break;
}
}
private static bool AskDelete(FileInfo file)
{
if (file == null)
{
return(false);
}
string size = StdUtils.GetFormattedFileSize(file.Length);
string message = $"Delete?\r\n{file.FullName}\r\nSize: {size}";
return(MessageBox.Show(message, "Delete?", MessageBoxButton.YesNo,
MessageBoxImage.Question, MessageBoxResult.No) == MessageBoxResult.Yes);
}
private static void Move <T>(ObservableCollection <T> collection, T item, int offset)
{
int oldIndex = collection.IndexOf(item);
if (oldIndex == -1)
{
return;
}
int newIndex = StdUtils.OffsetIndex(oldIndex, collection.Count, offset).index;
collection.Move(oldIndex, newIndex);
}
public void Restore()
{
string filePath = GetFilePath(settings, window);
RestoreWindowData data = StdUtils.XmlDeserializeFile <RestoreWindowData>(filePath);
FitRestoreData(data);
WindowState restoreState = settings.OverrideMinimized.HasValue && data.WindowState == WindowState.Minimized ?
settings.OverrideMinimized.Value : data.WindowState;
if (settings.RestoreWindowState && !window.IsLoaded)
{
window.WindowState = restoreState == WindowState.Normal ? WindowState.Normal : WindowState.Minimized;
}
if (settings.RestoreLeft)
{
window.Left = data.Left;
}
if (settings.RestoreTop)
{
window.Top = data.Top;
}
if (settings.RestoreWidth)
{
window.Width = data.Width;
}
if (settings.RestoreHeight)
{
window.Height = data.Height;
}
if (settings.RestoreWindowState)
{
if (!window.IsLoaded)
{
window.Loaded += Window_Loaded;
}
else
{
window.WindowState = restoreState;
}
}
void Window_Loaded(object sender, RoutedEventArgs e)
{
window.Loaded -= Window_Loaded;
window.WindowState = restoreState;
}
}
public void Store()
{
string filePath = GetFilePath(settings, window);
RestoreWindowData data = new RestoreWindowData()
{
Left = window.RestoreBounds.Left,
Top = window.RestoreBounds.Top,
Width = window.RestoreBounds.Width,
Height = window.RestoreBounds.Height,
WindowState = window.WindowState,
};
StdUtils.XmlSerialize(filePath, data);
}
protected virtual bool TryDeserialzeObject <T>(string propertyName, out T value)
{
try
{
string xml;
if (TryGetValue(propertyName, out xml))
{
value = xml.Length > 0 ? StdUtils.XmlDeserializeText <T>(xml) : default(T);
return(true);
}
value = default(T);
return(false);
}
catch
{
value = default(T);
return(false);
}
}
public static IList <TSource> Sort <TSource>(IList <TSource> items, int begin, int end, int insertionSortCount, IComparer <TSource> comparer)
{
for (int i = begin; i < end; i += insertionSortCount)
{
InsertionSort.Sort(items, i, Math.Min(i + insertionSortCount, end), comparer);
}
IList <TSource> src = items;
IList <TSource> dest = new TSource[items.Count];
for (int i = insertionSortCount; i < end - begin; i *= 2)
{
for (int j = begin; j < end; j += i * 2)
{
Merge(src, dest, j, i, end, comparer);
}
StdUtils.Swap(ref src, ref dest);
}
return(src);
}
private void Save()
{
AudioServiceData data = new AudioServiceData(Service);
StdUtils.XmlSerialize(path, data);
}
private ViewModel CreateViewModel()
{
SyncPair[] syncs = StdUtils.XmlDeserializeFileOrDefault <SyncPair[]>(syncsFilePath) ?? new SyncPair[0];
return(new ViewModel(syncs));
}
public object Convert(object value, Type targetType, object parameter, string language)
{
return(StdUtils.ToString(TimeSpan.FromSeconds((double)value)));
}
public static async Task <IList <TSource> > Sort <TSource>(IList <TSource> items,
int begin, int end, int insertionSortCount, int threadCount, IComparer <TSource> comparer)
{
int insertionSortActionsCount = (int)Math.Ceiling((end - begin) / (double)insertionSortCount);
int depth = (int)Math.Ceiling(Math.Log(insertionSortActionsCount, 2));
int donesCount = 0;
IList <bool> dones = new bool[2 * insertionSortActionsCount + depth];
Queue <Action> queue = new Queue <Action>();
for (int i = begin; i < end; i += insertionSortCount)
{
int index = donesCount++;
int insertionBegin = i;
int insertionEnd = Math.Min(i + insertionSortCount, end);
queue.Enqueue(() => InsertionSort(index, insertionBegin, insertionEnd));
}
IList <TSource> items1 = items;
IList <TSource> items2 = new TSource[items.Count];
for (int range = insertionSortCount; range < end - begin; range *= 2)
{
int lastActionsCount = (int)Math.Ceiling((end - begin) / (double)range);
int lastActionsBegin = queue.Count - lastActionsCount;
int currentRange = range;
IList <TSource> src = items1, dest = items2;
for (int j = 0, rangeBegin = begin; rangeBegin < end; j++, rangeBegin += range * 2)
{
int leftNodeIndex = lastActionsBegin + j * 2;
int rightNodeIndex = lastActionsBegin + Math.Min(j * 2 + 1, lastActionsCount);
int index = donesCount++;
int currentBegin = rangeBegin;
queue.Enqueue(() => Merge(leftNodeIndex, rightNodeIndex, index, src, dest, currentBegin, currentRange));
}
StdUtils.Swap(ref items1, ref items2);
}
await AsyncUtils.ParallelForEach(queue, threadCount);
return(items1);
void InsertionSort(int thisIndex, int insertionSortBegin, int insertionSortEnd)
{
Linq.Sort.InsertionSort.Sort(items, insertionSortBegin, insertionSortEnd, comparer);
lock (dones)
{
dones[thisIndex] = true;
Monitor.PulseAll(dones);
}
}
void Merge(int leftIndex, int rightIndex, int thisIndex,
IList <TSource> mergeSrc, IList <TSource> mergeDest, int mergeBegin, int size)
{
lock (dones)
{
while (!dones[leftIndex])
{
Monitor.Wait(dones);
}
while (!dones[rightIndex])
{
Monitor.Wait(dones);
}
}
MergeSort.Merge(mergeSrc, mergeDest, mergeBegin, size, end, comparer);
lock (dones)
{
dones[thisIndex] = true;
Monitor.PulseAll(dones);
}
}
}
public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
{
return(StdUtils.ToString((TimeSpan)value));
}
private void Load()
{
AudioServiceData data;
if (!File.Exists(path))
{
return;
}
try
{
data = StdUtils.XmlDeserializeFile <AudioServiceData>(path);
}
catch
{
return;
}
Service.Volume = data.Volume;
IDictionary <string, Song> allSongs = new Dictionary <string, Song>();
Service.SourcePlaylists = data.SourcePlaylists.Select(playlistData =>
{
Guid id = Guid.Parse(playlistData.ID);
ISourcePlaylistBase playlist = Service.SourcePlaylists
.FirstOrDefault(s => s.ID == id) ?? Service.CreateSourcePlaylist(id);
MergePlaylist(playlist, playlistData);
foreach (Song song in playlist.Songs)
{
allSongs[song.FullPath] = song;
}
return(playlist);
}).ToArray();
Service.Playlists = data.Playlists.Select(playlistData =>
{
Guid id = Guid.Parse(playlistData.ID);
IPlaylistBase playlist = Service.Playlists
.FirstOrDefault(s => s.ID == id) ?? Service.CreatePlaylist(id);
playlistData.Songs = playlistData.Songs.Where(s => allSongs.ContainsKey(s.FullPath)).ToArray();
MergePlaylist(playlist, playlistData);
return(playlist);
}).ToArray();
if (string.IsNullOrWhiteSpace(data.CurrentPlaylistID))
{
Service.CurrentPlaylist = null;
}
else
{
Guid currentPlaylistID = Guid.Parse(data.CurrentPlaylistID);
Service.CurrentPlaylist = Service.GetAllPlaylists().FirstOrDefault(p => p.ID == currentPlaylistID);
}
}
