public MainPage()
{
InitializeComponent();
toolbarItems = new ToolbarItem[ToolbarItems.Count];
ToolbarItems.CopyTo(toolbarItems, 0);
tapGesture = new TapGestureRecognizer();
tapGesture.Command = new Command(async() => await Navigation.PushModalAsync(rgn));
listView.BindingContext = viewModel;
NewsInfo info = NewsInfo.Deserialize((string)Application.Current.Properties["Inf"]);
if (info == rgn.SelectedInfo)
{
RegionProc(true);
}
toolBarItemSelected = info;
viewModel.LoadAsync(info).ContinueWith((b) =>
{
if (b.Result)
{
return;
}
else
{
Exit();
}
});
}
private async void OnToolbarItemClicked(object sender, EventArgs e)
{
NewsInfo info;
NewsToolbarItem tItem = (NewsToolbarItem)sender;
if (tItem.Description == "rgn")
{
info = rgn.SelectedInfo;
RegionProc(true);
}
else
{
info = new NewsInfo {
Address = tItem.Address, Description = tItem.Description
};
RegionProc(false);
}
if (toolBarItemSelected == info)
{
return;
}
toolBarItemSelected = info;
if (!await viewModel.LoadAsync(info))
{
Exit();
return;
}
Application.Current.Properties["Inf"] = NewsInfo.Serialize(info);
await Application.Current.SavePropertiesAsync();
listView.ScrollTo(((RSSItem[])listView.ItemsSource).First(), ScrollToPosition.End, true);
}
private async void RgnItemTaped(object sender, ItemTappedEventArgs e)
{
ListView list = (ListView)sender;
SelectedInfo = (NewsInfo)list.SelectedItem;
list.SelectedItem = null;
((MainPage)((NavigationPage)Application.Current.MainPage).RootPage).viewModel.LoadAsync(SelectedInfo);
Application.Current.Properties["Inf"] = Application.Current.Properties["Rgn"] = NewsInfo.Serialize(SelectedInfo);
await Application.Current.SavePropertiesAsync();
await Navigation.PopModalAsync();
}
public App()
{
InitializeComponent();
if (!Properties.ContainsKey("Inf"))
{
Properties.Add("Inf", NewsInfo.Serialize(new NewsInfo {
Address = "https://news.yandex.ru/index.rss", Description = "Главное"
}));
}
if (!Properties.ContainsKey("Rgn"))
{
Properties.Add("Rgn", NewsInfo.Serialize(new NewsInfo {
Address = "https://news.yandex.ru/Barnaul/index.rss", Description = "Алтайский край"
}));
}
MainPage = new NavigationPage(new MainPage());
}
public Region()
{
InitializeComponent();
SelectedInfo = NewsInfo.Deserialize((string)Application.Current.Properties["Rgn"]);
}
