Esempio n. 1
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 /* ----------------------------------------------------------------- */
 ///
 /// ImageEntry
 ///
 /// <summary>
 /// Initializes a new instance of the ImageItem class with the
 /// specified arguments.
 /// </summary>
 ///
 /// <param name="getter">Delegation to get an image.</param>
 /// <param name="selection">Shared object for selection.</param>
 /// <param name="preferences">Image preferences.</param>
 ///
 /* ----------------------------------------------------------------- */
 public ImageItem(Func <ImageItem, ImageSource> getter,
                  ImageSelection selection, ImagePreference preferences)
 {
     _getter      = getter;
     _selection   = selection;
     _preferences = preferences;
     _preferences.PropertyChanged += WhenPreferencesChanged;
 }
Esempio n. 2
0
        /* ----------------------------------------------------------------- */
        ///
        /// ImageCollection
        ///
        /// <summary>
        /// Initializes a new instance of the ImageCollection class with
        /// the specified arguments.
        /// </summary>
        ///
        /// <param name="getter">Function to get the renderer.</param>
        /// <param name="invoker">Invoker object.</param>
        ///
        /* ----------------------------------------------------------------- */
        public ImageCollection(Func <string, IDocumentRenderer> getter, Invoker invoker)
        {
            _getter = getter;

            _inner = new ObservableCollection <ImageItem>();
            _inner.CollectionChanged += (s, e) => OnCollectionChanged(e);

            _cache = new CacheCollection <ImageItem, ImageSource>(e =>
                                                                  getter(e.RawObject.File.FullName).Create(e).ToBitmapImage(true));
            _cache.Created += (s, e) => e.Key.Refresh();
            _cache.Failed  += (s, e) => this.LogDebug($"[{e.Key.Index}] {e.Value.GetType().Name}");

            Invoker     = invoker;
            Selection   = new ImageSelection(invoker);
            Preferences = new ImagePreference(invoker);
            Preferences.PropertyChanged += (s, e) => {
                if (e.PropertyName == nameof(Preferences.VisibleLast))
                {
                    Reschedule(null);
                }
            };
        }