/// <summary>
/// Set us up with the complete list of calendars.
/// </summary>
/// <param name="parent"></param>
public CategoryAllPageViewModel(IScreen parent)
{
HostScreen = parent;
// The list of categories.
UpdateCategoryList = ReactiveCommand.Create();
ListOfCalendars = new ReactiveList <CategoryConfigInfo>();
UpdateCategoryList
.ObserveOn(RxApp.MainThreadScheduler)
.Subscribe(_ =>
{
ListOfCalendars.Clear();
ListOfCalendars.AddRange(CategoryDB.LoadCategories());
});
UpdateCategoryList.Execute(null);
// And setup the category VM
ShowCategoryDetails = ReactiveCommand.Create();
var asCategoryInfo = ShowCategoryDetails
.Cast <CategoryConfigInfo>();
asCategoryInfo
.Select(ci => {
var index = ListOfCalendars.IndexOf(ci);
var civm = new CategoryConfigViewModel(ci);
civm.UpdateToCI
.ObserveOn(RxApp.MainThreadScheduler)
.Subscribe(newCI => ListOfCalendars[index] = newCI);
return(civm);
})
.ToProperty(this, x => x.ConfigViewModel, out _categoryConfig, null);
asCategoryInfo
.Select(ci => new CategoryURIViewModel(ci.MeetingList))
.ToProperty(this, x => x.CategoryFullListVM, out _catgoryFullListVM, null);
// Track what we are doing
ViewCategory = asCategoryInfo;
// Keep the display "clean" until somethign is selected.
asCategoryInfo
.Select(_ => true)
.ToProperty(this, x => x.ValidCategorySelected, out _validCategorySelected, false);
}
/// <summary>
/// Initialize a new category page view model
/// </summary>
/// <param name="parent"></param>
public CategoryPageViewModel(IScreen parent, IMeetingListRef meetings, IBlobCache cache = null)
{
HostScreen = parent;
CategoryListing = new CategoryURIViewModel(meetings, cache);
CategoryConfig = new CategoryConfigViewModel(meetings);
}
