private void ApplyFilter()
{
switch (SelectedFilterMode)
{
case FilterMode.Downloaded:
{
DisplayedTracksSource.RemoveAll(x => x.DownloadState != DownloadState.Downloaded);
}
break;
case FilterMode.NotDownloaded:
{
DisplayedTracksSource.RemoveAll(x => x.DownloadState == DownloadState.Downloaded);
}
break;
case FilterMode.Downloading:
{
DisplayedTracksSource.RemoveAll(
x =>
(x.DownloadState != DownloadState.Downloading) &&
(x.DownloadState != DownloadState.Converting));
}
break;
case FilterMode.Queued:
{
DisplayedTracksSource.RemoveAll(x => x.DownloadState != DownloadState.Queued);
}
break;
}
}
/// <summary>
/// Called when a file was deleted in the workspace.
/// Searches for an existing song in the list and sets its download status to false.
/// </summary>
/// <param name="sender">The sender.</param>
/// <param name="fileSystemEventArgs">The <see cref="FileSystemEventArgs" /> instance containing the event data.</param>
private void WatcherOnDeleted(object sender, FileSystemEventArgs fileSystemEventArgs)
{
if (Path.GetExtension(fileSystemEventArgs.Name)?.Replace(".", "") !=
Workspace.Settings.DownloadFormat.ToString().ToLower())
{
return;
}
var title = Path.GetFileNameWithoutExtension(fileSystemEventArgs.Name);
foreach (var track in Tracks)
{
if (track.Title != title)
{
continue;
}
DownloadedTracks--;
track.DownloadState = DownloadState.NotDownloaded;
if (SelectedFilterMode == FilterMode.NotDownloaded)
{
DisplayedTracksSource.Add(track);
DisplayedTracksSource.Sort();
OnPageNumberChanged();
}
return;
}
}
/// <summary>
/// Called when a file was renamed in the workspace.
/// Searches for an existing song in the list and renames its title.
/// </summary>
/// <param name="sender">The sender.</param>
/// <param name="renamedEventArgs">The <see cref="RenamedEventArgs" /> instance containing the event data.</param>
private void WatcherOnRenamed(object sender, RenamedEventArgs renamedEventArgs)
{
var newTitle = Path.GetFileNameWithoutExtension(renamedEventArgs.Name);
foreach (var track in Tracks)
{
if (track.Title == newTitle)
{
var previousState = track.DownloadState;
if (Path.GetExtension(renamedEventArgs.Name)?.Replace(".", "") !=
Workspace.Settings.DownloadFormat.ToString().ToLower())
{
track.DownloadState = DownloadState.NeedsConvertion;
if (previousState == DownloadState.Downloaded)
{
DownloadedTracks--;
}
if (SelectedFilterMode == FilterMode.NotDownloaded)
{
DisplayedTracksSource.Add(track);
DisplayedTracksSource.Sort();
OnPageNumberChanged();
}
}
else
{
track.DownloadState = DownloadState.Downloaded;
if (previousState == DownloadState.NotDownloaded)
{
DownloadedTracks++;
}
if (SelectedFilterMode == FilterMode.Downloaded)
{
DisplayedTracksSource.Add(track);
DisplayedTracksSource.Sort();
OnPageNumberChanged();
}
}
return;
}
}
}
/// <summary>
/// Updates the tracklist.
/// Compares old and new songs. Removes all songs which are not in the fetched playlist and adds all songs which are
/// new in the playlist.
/// </summary>
private void UpdateTracks()
{
DisplayedTracksSource.Clear();
// Get playlist items from the viewmodel collection
var tracks = Tracks.Select(t => t.Item).ToList();
// Determinite items that should be added and removed
var playlistItems = tracks.ToArray();
var addItems = Workspace.Settings.Items.Except(playlistItems).ToList();
var removeItems = playlistItems.Except(Workspace.Settings.Items).ToList();
// if (Tracks.Count == 0)
addItems.Reverse();
// Remove the specified items
Tracks.RemoveAll(item => removeItems.Contains(item.Item));
// Add the new items
foreach (var item in addItems)
{
Tracks.Insert(0, new PlaylistItemViewModel(item, this));
}
var i = 1;
DownloadedTracks = 0;
foreach (var track in Tracks)
{
if (track.DownloadState == DownloadState.Downloaded)
{
DownloadedTracks++;
}
track.Index = i++;
}
Workspace.SaveWorkspaceConfig();
DisplayedTracksSource.AddRange(Tracks);
OnPageNumberChanged();
PageSelectorViewModel.UpdatePageview();
}
private void SearchTextChanged()
{
if (_searchTextChangeInProgress)
{
return;
}
_searchTextChangeInProgress = true;
var refreshPageView = false;
if (string.IsNullOrWhiteSpace(SearchText))
{
SearchTextboxWatermark = Resources.MainWindow_CurrentWorkspace_SearchWatermarkDefault;
if (DisplayedTracksSource.Count != Tracks.Count)
{
DisplayedTracksSource.Clear();
DisplayedTracksSource.AddRange(Tracks);
refreshPageView = true;
}
}
else
{
var results = Tracks.Where(x => x.Item.Title.ToLower().Contains(SearchText.ToLower())).ToList();
DisplayedTracksSource.Clear();
DisplayedTracksSource.AddRange(results);
SearchTextboxWatermark = string.Format(Resources.MainWindow_CurrentWorkspace_SearchWatermarkResults,
results.Count);
refreshPageView = true;
}
ApplyFilter();
if (refreshPageView)
{
OnPageNumberChanged();
}
PageSelectorViewModel.UpdatePageview();
_searchTextChangeInProgress = false;
}
