/* ----------------------------------------------------------------- */
///
/// 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;
}
/* ----------------------------------------------------------------- */
///
/// 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);
}
};
}