public LibraryExplorerViewModel(ILibraryExplorerItemListViewModel itemListViewModel, IFoldersService foldersService,
IAdviseGroupHelper adviseGroupHelper, IViewNavigator viewNavigator, IWindowService windowService)
{
ItemListViewModel = itemListViewModel ?? throw new ArgumentNullException(nameof(itemListViewModel));
this.foldersService = foldersService ?? throw new ArgumentNullException(nameof(foldersService));
this.adviseGroupHelper = adviseGroupHelper ?? throw new ArgumentNullException(nameof(adviseGroupHelper));
this.viewNavigator = viewNavigator ?? throw new ArgumentNullException(nameof(viewNavigator));
this.windowService = windowService ?? throw new ArgumentNullException(nameof(windowService));
Messenger.Default.Register <ApplicationLoadedEventArgs>(this, e => OnApplicationLoaded(CancellationToken.None));
Messenger.Default.Register <LoadParentFolderEventArgs>(this, OnLoadParentFolder);
Messenger.Default.Register <LoadFolderEventArgs>(this, e => OnLoadFolder(e.Folder));
Messenger.Default.Register <PlaySongsListEventArgs>(this, OnPlaySongsList);
Messenger.Default.Register <PlaylistLoadedEventArgs>(this, e => OnPlaylistLoaded(e, CancellationToken.None));
Messenger.Default.Register <NoPlaylistLoadedEventArgs>(this, _ => OnNoPlaylistLoaded(CancellationToken.None));
Messenger.Default.Register <NavigateLibraryExplorerToDiscEventArgs>(this, e => OnSwitchToDisc(e.Disc));
}
private static CommandMenuItem CreateSetAdviseGroupMenuItem(BasicAdviseGroupHolder adviseGroupHolder, IAdviseGroupHelper adviseGroupHelper, AdviseGroupModel adviseGroup)
{
PackIconKind?iconKind = null;
if (adviseGroup.Id == adviseGroupHolder.CurrentAdviseGroup?.Id)
{
// We do not use checkable menu items, because there is no easy way to have checkable item with an icon (https://stackoverflow.com/questions/3842493).
iconKind = PackIconKind.Check;
}
if (adviseGroup.IsFavorite)
{
iconKind = PackIconKind.Heart;
}
return(new CommandMenuItem(() => adviseGroupHelper.ReverseAdviseGroup(adviseGroupHolder, adviseGroup, CancellationToken.None))
{
Header = adviseGroup.Name,
IconKind = iconKind,
});
}
protected static IReadOnlyCollection <BasicMenuItem> GetAdviseGroupMenuItems(BasicAdviseGroupHolder adviseGroupHolder, ILibraryExplorerViewModel libraryExplorerViewModel, IAdviseGroupHelper adviseGroupHelper)
{
var menuItems = new List <BasicMenuItem>
{
new CommandMenuItem(() => libraryExplorerViewModel.CreateAdviseGroup(adviseGroupHolder, CancellationToken.None))
{
Header = "New Advise Group ...",
IconKind = PackIconKind.FolderPlus,
},
};
var currentAdviseGroup = adviseGroupHolder.CurrentAdviseGroup;
if (currentAdviseGroup != null)
{
var reverseFavoriteMenuItem = new CommandMenuItem(() => adviseGroupHelper.ReverseFavoriteStatus(currentAdviseGroup, CancellationToken.None))
{
Header = $"{(currentAdviseGroup.IsFavorite ? "Unmark" : "Mark")} '{currentAdviseGroup.Name}' as favorite",
IconKind = currentAdviseGroup.IsFavorite ? PackIconKind.HeartBroken : PackIconKind.Heart,
};
menuItems.Add(reverseFavoriteMenuItem);
}
var adviseGroups = adviseGroupHelper.AdviseGroups;
if (adviseGroups.Any())
{
menuItems.Add(new SeparatorMenuItem());
menuItems.AddRange(adviseGroups.Select(x => CreateSetAdviseGroupMenuItem(adviseGroupHolder, adviseGroupHelper, x)));
}
return(menuItems);
}
public abstract IEnumerable <BasicMenuItem> GetContextMenuItems(ILibraryExplorerViewModel libraryExplorerViewModel, IAdviseGroupHelper adviseGroupHelper);
public override IEnumerable <BasicMenuItem> GetContextMenuItems(ILibraryExplorerViewModel libraryExplorerViewModel, IAdviseGroupHelper adviseGroupHelper)
{
return(Enumerable.Empty <BasicMenuItem>());
}
public override IEnumerable <BasicMenuItem> GetContextMenuItems(ILibraryExplorerViewModel libraryExplorerViewModel, IAdviseGroupHelper adviseGroupHelper)
{
if (IsDeleted)
{
yield break;
}
yield return(new ExpandableMenuItem
{
Header = "Set Advise Group",
IconKind = PackIconKind.FolderStar,
Items = GetAdviseGroupMenuItems(new FolderAdviseGroupHolder(Folder), libraryExplorerViewModel, adviseGroupHelper),
});
yield return(new CommandMenuItem(() => libraryExplorerViewModel.RenameFolder(Folder), keepTargetAlive: true)
{
Header = "Rename Folder",
IconKind = PackIconKind.Pencil,
});
yield return(new CommandMenuItem(() => libraryExplorerViewModel.DeleteFolder(Folder, CancellationToken.None))
{
Header = "Delete Folder",
IconKind = PackIconKind.DeleteForever,
});
}
public static IReadOnlyCollection <BasicMenuItem> InvokeGetAdviseGroupMenuItems(
BasicAdviseGroupHolder adviseGroupHolder, ILibraryExplorerViewModel libraryExplorerViewModel, IAdviseGroupHelper adviseGroupHelper)
{
return(GetAdviseGroupMenuItems(adviseGroupHolder, libraryExplorerViewModel, adviseGroupHelper));
}
