public MainViewModel(int visibleItems) : base()
{
PageTitle = "Windows 10 News";
WhatsGoingOn = new ListViewModel <RssDataConfig, RssSchema>(new WhatsGoingOnConfig(), visibleItems);
RecentNews = new ListViewModel <RssDataConfig, RssSchema>(new RecentNewsConfig(), visibleItems);
Apps = new ListViewModel <RssDataConfig, RssSchema>(new AppsConfig(), visibleItems);
InsiderProgram = new ListViewModel <RssDataConfig, RssSchema>(new InsiderProgramConfig(), visibleItems);
WhatArePeopleTalkingAbout = new ListViewModel <TwitterDataConfig, TwitterSchema>(new WhatArePeopleTalkingAboutConfig(), visibleItems);
DoMore = new ListViewModel <InstagramDataConfig, InstagramSchema>(new DoMoreConfig(), visibleItems);
Actions = new List <ActionInfo>();
if (GetViewModels().Any(vm => !vm.HasLocalData))
{
Actions.Add(new ActionInfo
{
Command = new RelayCommand(Refresh),
Style = ActionKnownStyles.Refresh,
Name = "RefreshButton",
ActionType = ActionType.Primary
});
}
}
public static ListViewModel CreateNew <TSchema>(SectionConfigBase <TSchema> sectionConfig, int visibleItems = 0) where TSchema : SchemaBase
{
var vm = new ListViewModel
{
SectionName = sectionConfig.Name,
Title = sectionConfig.ListPage.Title,
NavigationInfo = sectionConfig.ListPage.ListNavigationInfo,
PageTitle = sectionConfig.ListPage.PageTitle,
_visibleItems = visibleItems,
HasLocalData = !sectionConfig.NeedsNetwork
};
var settings = new CacheSettings
{
Key = sectionConfig.Name,
Expiration = vm.CacheExpiration,
NeedsNetwork = sectionConfig.NeedsNetwork,
UseStorage = sectionConfig.NeedsNetwork,
};
//we save a reference to the load delegate in order to avoid export TSchema outside the view model
vm.LoadDataInternal = (refresh, filterFunc) => AppCache.LoadItemsAsync <TSchema>(settings, sectionConfig.LoadDataAsyncFunc, (content) => vm.ParseItems(sectionConfig.ListPage, content, filterFunc), refresh);
if (sectionConfig.NeedsNetwork)
{
vm.Actions.Add(new ActionInfo
{
Command = vm.Refresh,
Style = ActionKnownStyles.Refresh,
Name = "RefreshButton",
ActionType = ActionType.Primary
});
}
return(vm);
}