public async Task Sort(Playlist playlist, PlaylistColumn playlistColumn)
{
if (!this.Sorting.Value)
{
return;
}
var descending = default(bool);
if (object.ReferenceEquals(this.SortColumn, playlistColumn))
{
descending = true;
}
var changes = await this.PlaylistManager.Sort(playlist, playlistColumn, descending).ConfigureAwait(false);
if (changes == 0)
{
Logger.Write(this, LogLevel.Debug, "Playlist was already sorted, reversing direction.");
descending = !descending;
changes = await this.PlaylistManager.Sort(playlist, playlistColumn, descending).ConfigureAwait(false);
if (changes == 0)
{
Logger.Write(this, LogLevel.Debug, "Playlist was already sorted, all values are equal.");
}
}
if (!descending)
{
this.SortColumn = playlistColumn;
}
}
protected virtual void OnPositionChanged(PlaylistColumn column)
{
if (this.PositionChanged == null)
{
return;
}
this.PositionChanged(this, column);
}
protected virtual void OnWidthChanged(PlaylistColumn column)
{
if (this.WidthChanged == null)
{
return;
}
this.WidthChanged(this, column);
}
public PlaylistGridViewColumn Create(PlaylistColumn column)
{
var gridViewColumn = new PlaylistGridViewColumn(column);
switch (column.Type)
{
case PlaylistColumnType.Script:
if (!string.IsNullOrEmpty(column.Script))
{
gridViewColumn.DisplayMemberBinding = new PlaylistScriptBinding()
{
ScriptingContext = this.ScriptingContext.Value,
Script = column.Script
};
}
break;
case PlaylistColumnType.Plugin:
if (!string.IsNullOrEmpty(column.Plugin))
{
var provider = PlaylistColumnProviderManager.GetProvider(column.Plugin);
if (provider != null)
{
gridViewColumn.CellTemplate = provider.CellTemplate;
}
}
break;
case PlaylistColumnType.Tag:
if (!string.IsNullOrEmpty(column.Tag))
{
gridViewColumn.DisplayMemberBinding = new PlaylistMetaDataBinding()
{
Name = column.Tag,
Format = column.Format
};
}
break;
}
BindingHelper.Create(
gridViewColumn,
GridViewColumn.WidthProperty,
typeof(GridViewColumn),
column,
"Width",
ColumnWidthConverter.Instance,
(sender, e) => this.OnWidthChanged(column)
);
BindingHelper.Create(
gridViewColumn,
GridViewColumnExtensions.PositionProperty,
typeof(GridViewColumn),
column,
"Sequence",
(sender, e) => this.OnPositionChanged(column)
);
return(gridViewColumn);
}
public async Task Sort(Playlist playlist, PlaylistColumn playlistColumn, bool descending)
{
using (var task = new SortPlaylistTask(playlist, playlistColumn, descending))
{
task.InitializeComponent(this.Core);
await this.OnBackgroundTask(task).ConfigureAwait(false);
await task.Run().ConfigureAwait(false);
}
}
public GridViewColumn Create(PlaylistColumn column)
{
this.EnsureScriptingContext();
var gridViewColumn = default(GridViewColumn);
if (column.IsDynamic)
{
gridViewColumn = new RefreshableGridViewColumn();
}
else
{
gridViewColumn = new GridViewColumn();
}
gridViewColumn.Header = column.Name;
switch (column.Type)
{
case PlaylistColumnType.Script:
gridViewColumn.DisplayMemberBinding = new PlaylistScriptBinding()
{
PlaybackManager = this.PlaybackManager,
ScriptingContext = this.ScriptingContext,
Script = column.Script
};
break;
case PlaylistColumnType.Plugin:
var provider = PlaylistColumnManager.GetProvider(column.Plugin);
if (provider != null)
{
gridViewColumn.CellTemplate = provider.CellTemplate;
}
break;
}
BindingHelper.Create(
gridViewColumn,
GridViewColumn.WidthProperty,
typeof(GridViewColumn),
column,
"Width",
ColumnWidthConverter.Instance,
(sender, e) => this.OnWidthChanged(column)
);
BindingHelper.Create(
gridViewColumn,
GridViewColumnExtensions.PositionProperty,
typeof(GridViewColumn),
column,
"Sequence",
(sender, e) => this.OnPositionChanged(column)
);
return(gridViewColumn);
}
protected virtual Task SortItems(PlaylistColumn playlistColumn, bool descending)
{
switch (playlistColumn.Type)
{
case PlaylistColumnType.Tag:
return(this.SortItemsByMetaData(MetaDataItemType.Tag, playlistColumn.Tag, descending));
case PlaylistColumnType.Script:
return(this.SortItemsByScript(playlistColumn.Script, descending));
}
#if NET40
return(TaskEx.FromResult(false));
#else
return(Task.CompletedTask);
#endif
}
protected virtual Task SortItems(PlaylistColumn playlistColumn, bool descending)
{
Logger.Write(this, LogLevel.Debug, "Sorting playlist {0} by column {1}.", this.Playlist.Name, playlistColumn.Name);
switch (playlistColumn.Type)
{
case PlaylistColumnType.Tag:
return(this.SortItemsByMetaData(playlistColumn.Tag, descending));
case PlaylistColumnType.Script:
return(this.SortItemsByScript(playlistColumn.Script, descending));
}
#if NET40
return(TaskEx.FromResult(false));
#else
return(Task.CompletedTask);
#endif
}
protected virtual Task <int> SortItems(PlaylistColumn playlistColumn, bool descending)
{
Logger.Write(this, LogLevel.Debug, "Sorting playlist {0} by column {1}.", this.Playlist.Name, playlistColumn.Name);
switch (playlistColumn.Type)
{
case PlaylistColumnType.Script:
return(this.SortItemsByScript(playlistColumn.Script, descending));
case PlaylistColumnType.Plugin:
return(this.SortItemsByPlugin(playlistColumn.Plugin, descending));
case PlaylistColumnType.Tag:
return(this.SortItemsByTag(playlistColumn.Tag, descending));
}
#if NET40
return(TaskEx.FromResult(0));
#else
return(Task.FromResult(0));
#endif
}
public Task Sort(Playlist playlist, PlaylistColumn playlistColumn)
{
if (!this.Sorting.Value)
{
Logger.Write(this, LogLevel.Warn, "Sorting is disabled.");
#if NET40
return(TaskEx.FromResult(false));
#else
return(Task.CompletedTask);
#endif
}
var descending = default(bool);
if (object.ReferenceEquals(this.SortColumn, playlistColumn))
{
this.SortColumn = null;
descending = true;
}
else
{
this.SortColumn = playlistColumn;
}
return(this.PlaylistManager.Sort(playlist, playlistColumn, descending));
}
protected virtual void OnWidthChanged(object sender, PlaylistColumn playlistColumn)
{
this.Update(playlistColumn, false);
}
protected virtual void OnPositionChanged(object sender, PlaylistColumn playlistColumn)
{
this.Update(playlistColumn, true);
}
protected virtual void Update(PlaylistColumn column, bool notify)
{
this.Columns.AddOrUpdate(column, notify);
this.Debouncer.Exec(() => this.Dispatch(this.Update));
Logger.Write(this, LogLevel.Debug, "Queued update for column {0} => {1}.", column.Id, column.Name);
}
public PlaylistGridViewColumn Create(PlaylistColumn column)
{
var gridViewColumn = new PlaylistGridViewColumn(column);
switch (column.Type)
{
case PlaylistColumnType.Script:
if (!string.IsNullOrEmpty(column.Script))
{
gridViewColumn.DisplayMemberBinding = new PlaylistScriptBinding()
{
ScriptingContext = this.ScriptingContext.Value,
Script = column.Script
};
}
break;
case PlaylistColumnType.Plugin:
if (!string.IsNullOrEmpty(column.Plugin))
{
var provider = PlaylistColumnProviderManager.GetProvider(column.Plugin) as IUIPlaylistColumnProvider;
if (provider == null)
{
Logger.Write(this, LogLevel.Warn, "Playlist column plugin \"{0}\" was not found, has it been uninstalled?", column.Plugin);
}
else
{
gridViewColumn.CellTemplate = provider.CellTemplate;
}
}
break;
case PlaylistColumnType.Tag:
if (!string.IsNullOrEmpty(column.Tag))
{
gridViewColumn.DisplayMemberBinding = new PlaylistMetaDataBinding()
{
Name = column.Tag,
Format = column.Format
};
}
break;
}
BindingHelper.Create(
gridViewColumn,
GridViewColumn.WidthProperty,
typeof(GridViewColumn),
column,
"Width",
ColumnWidthConverter.Instance,
(sender, e) =>
{
if (IsAutoSizing(gridViewColumn))
{
//Don't raise events while auto sizing is in progress.
return;
}
this.OnWidthChanged(column);
}
);
BindingHelper.Create(
gridViewColumn,
GridViewColumnExtensions.PositionProperty,
typeof(GridViewColumn),
column,
"Sequence",
(sender, e) => this.OnPositionChanged(column)
);
return(gridViewColumn);
}
public SortPlaylistTask(Playlist playlist, PlaylistColumn playlistColumn, bool descending) : base(playlist)
{
this.PlaylistColumn = playlistColumn;
this.Descending = descending;
}
public PlaylistGridViewColumn(PlaylistColumn playlistColumn)
{
this.PlaylistColumn = playlistColumn;
this.Header = playlistColumn.Name;
}
