Пример #1
0
        /// <summary>
        /// Method to initialize page content asynchronously.
        /// </summary>
        public override async void InitializeModel()
        {
            Model = new PageAlbumModel(this);

            AlbumEntity album = null;

            if (ItemId > 0)
            {
                AlbumOptionsSelect options = new AlbumOptionsSelect
                {
                    Dependencies = { EnumEntitiesDependencies.All },
                    PrimaryKey   = ItemId
                };
                album = await PageAlbumModel.Db.Albums.SingleOrNullAsync(options);
            }

            Model.AlbumEntity = album ?? new AlbumEntity();

            /*UcDataGridSections.OnAdd += SectionsDataGrid_OnAdd;
             * UcDataGridSections.OnChange += SectionsDataGrid_OnChange;
             * UcDataGridSections.OnCancel += SectionsDataGrid_OnCancel;*/

            // Add picture add handler.
            PicturesCollection.Added -= PicturesCollection_Added;
            PicturesCollection.Added += PicturesCollection_Added;

            // Add picture delete handler.
            PicturesCollection.Deleted -= PicturesCollection_Deleted;
            PicturesCollection.Deleted += PicturesCollection_Deleted;
        }
Пример #2
0
        /// <summary>
        /// Method to get a single <see cref="AlbumEntity"/>.
        /// </summary>
        /// <param name="op"><see cref="AlbumOptionsSelect"/> filters options for the query.</param>
        /// <returns>An <see cref="AlbumEntity"/> or null.</returns>
        public AlbumEntity SingleOrNull(AlbumOptionsSelect op)
        {
            if (op == null)
            {
                ArgumentNullException e = new ArgumentNullException(nameof(op));
                log.Error(e.Output(), e);
                throw e;
            }

            using (Db.Context)
            {
                return(AlbumManager.Select(op));
            }
        }
Пример #3
0
 /// <summary>
 /// Method to get a single <see cref="AlbumEntity"/> asynchronously.
 /// </summary>
 /// <param name="op"><see cref="AlbumOptionsSelect"/> filters options for the query.</param>
 /// <returns>An <see cref="AlbumEntity"/> or null.</returns>
 public Task <AlbumEntity> SingleOrNullAsync(AlbumOptionsSelect op)
 => Task.Run(() => SingleOrNull(op));
Пример #4
0
 /// <summary>
 /// Method to get a single <see cref="AlbumEntity"/>.
 /// </summary>
 /// <param name="op"><see cref="AlbumOptionsSelect"/> filters options for the query.</param>
 /// <returns>An <see cref="AlbumEntity"/> or a dafault entity.</returns>
 public Task <AlbumEntity> SingleOrDefaultAsync(AlbumOptionsSelect op)
 => Task.Run(() => SingleOrDefault(op));