/// <summary>
/// Initializes a new instance of the <see cref="ApplicationVM" /> class.
/// </summary>
/// <param name="categoriesVM">
/// The <see cref="ViewModels.WallpaperCategoryCollectionVM" /> instance.
/// </param>
/// <param name="wallpaperChangerVM">
/// The the <see cref="ViewModels.WallpaperChangerVM" /> instance providing an interface to
/// control the cycling of wallpapers.
/// </param>
/// <param name="requestShowMain">
/// The delegate invoked to request the showing of the main view.
/// </param>
/// <param name="requestShowConfiguration">
/// The delegate invoked to request the showing of the configuration view.
/// </param>
/// <param name="requestShowChangelog">
/// The delegate invoked to request the showing of the Changelog.
/// </param>
/// <param name="requestShowAbout">
/// The delegate invoked to request the showing of the about view.
/// </param>
/// <param name="requestUpdateCheck">
/// The delegate invoked to request a check for updates.
/// </param>
/// <param name="requestTerminateApplication">
/// The delegate invoked to request a termination of the application.
/// </param>
/// <exception cref="ArgumentNullException">
/// <paramref name="categoriesVM" /> or <paramref name="wallpaperChangerVM" /> or <paramref name="requestShowMain" /> or
/// <paramref name="requestShowConfiguration" /> or <paramref name="requestShowChangelog" /> or
/// <paramref name="requestShowAbout" /> or <paramref name="requestUpdateCheck" /> or
/// <paramref name="requestTerminateApplication" /> is <c>null</c>.
/// </exception>
/// <seealso cref="ViewModels.WallpaperCategoryCollectionVM">WallpaperCategoryCollectionVM Class</seealso>
/// <seealso cref="ViewModels.WallpaperChangerVM">WallpaperChangerVM Class</seealso>
public ApplicationVM(
WallpaperCategoryCollectionVM categoriesVM,
WallpaperChangerVM wallpaperChangerVM,
Action <ApplicationVM, bool> requestShowMain,
Action <ApplicationVM> requestShowConfiguration,
Action <ApplicationVM> requestShowChangelog,
Action <ApplicationVM> requestShowAbout,
Action <ApplicationVM> requestUpdateCheck,
Action <ApplicationVM> requestTerminateApplication)
{
this.WallpaperCategoryCollectionVM = categoriesVM;
this.WallpaperChangerVM = wallpaperChangerVM;
this.RequestUpdateCheck = requestUpdateCheck;
this.RequestShowMain = requestShowMain;
this.RequestShowConfiguration = requestShowConfiguration;
this.RequestShowChangelog = requestShowChangelog;
this.RequestShowAbout = requestShowAbout;
this.RequestTerminateApplication = requestTerminateApplication;
}
/// <summary>
/// Initializes a new instance of the <see cref="WallpaperCategoryVM" /> class.
/// </summary>
/// <param name="category">
/// The <see cref="WallpaperManager.Models.Wallpaper" /> which should be wrapped by this View Model.
/// </param>
/// <param name="wallpaperChangerVM">
/// The <see cref="ViewModels.WallpaperChangerVM" /> instance used to control cycle operations
/// performed by this View Model.
/// </param>
/// <param name="requestConfigureSelected">
/// The delegate invoked to request the configuration of the selected <see cref="WallpaperVM" /> instances.
/// </param>
/// <param name="requestConfigureDefaultSettings">
/// The delegate invoked to request the configuration of the <see cref="WallpaperDefaultSettings" />.
/// </param>
/// <exception cref="ArgumentNullException">
/// <paramref name="category" /> or <paramref name="wallpaperChangerVM" /> or
/// <paramref name="requestConfigureSelected" /> or <paramref name="requestConfigureDefaultSettings" /> is <c>null</c>.
/// </exception>
/// <commondoc select='ViewModels/General/seealso' />
public WallpaperCategoryVM(
WallpaperCategory category,
WallpaperChangerVM wallpaperChangerVM,
Action <WallpaperCategoryVM> requestConfigureSelected,
Action <WallpaperCategoryVM> requestConfigureDefaultSettings)
{
this.Category = category;
this.WallpaperChangerVM = wallpaperChangerVM;
this.RequestConfigureSelected = requestConfigureSelected;
this.RequestConfigureDefaultSettings = requestConfigureDefaultSettings;
CollectionChangedEventManager.AddListener(category, this);
// Simulate adding of all wallpapers to the category so that a WallpaperVM is created for any Wallpaper instance.
this.handleCategoryCollectionChanged = true;
this.Category_CollectionChanged(
this, new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Add, category));
this.selectedWallpaperVMs = new ReadOnlyCollection <WallpaperVM>(new List <WallpaperVM>());
PropertyChangedEventManager.AddListener(wallpaperChangerVM, this, string.Empty);
this.WallpaperChangerVM_PropertyChanged(this, new PropertyChangedEventArgs("ActiveWallpapers"));
}
