/// <summary>
/// Populates the page with content passed during navigation. Any saved state is also
/// provided when recreating a page from a prior session.
/// </summary>
/// <param name="sender">
/// The source of the event; typically <see cref="NavigationHelper"/>
/// </param>
/// <param name="e">Event data that provides both the navigation parameter passed to
/// <see cref="Frame.Navigate(Type, Object)"/> when this page was initially requested and
/// a dictionary of state preserved by this page during an earlier
/// session. The state will be null the first time a page is visited.</param>
private async void navigationHelper_LoadState(object sender, LoadStateEventArgs e)
{
// TODO: Create an appropriate data model for your problem domain to replace the sample data
var group = await ChannelDataSource.GetChannelAsync((String)e.NavigationParameter);
var videos = await ChannelDataSource.GetVideosAsync((String)e.NavigationParameter);
this.DefaultViewModel["Group"] = group;
this.DefaultViewModel["Items"] = videos;
itemsViewSource.Source = new IncrementalVideos((String)e.NavigationParameter);
}
/// <summary>
/// Populates the page with content passed during navigation. Any saved state is also
/// provided when recreating a page from a prior session.
/// </summary>
/// <param name="sender">
/// The source of the event; typically <see cref="NavigationHelper"/>
/// </param>
/// <param name="e">Event data that provides both the navigation parameter passed to
/// <see cref="Frame.Navigate(Type, Object)"/> when this page was initially requested and
/// a dictionary of state preserved by this page during an earlier
/// session. The state will be null the first time a page is visited.</param>
private async void navigationHelper_LoadState(object sender, LoadStateEventArgs e)
{
//string channels = await ApprovedChannelList.ReadChannelListFile();
//var jsonArray = JArray.Parse(channels);
//ObservableCollection<Channels> approvedChannels = new ObservableCollection<Channels>();
//foreach (var channel in jsonArray)
//{
// approvedChannels.Add(channel.ToObject<Channels>());
//}
itemViewSource.Source = await ChannelDataSource.GetChannelsAsync();
}
private async void add_Click(object sender, RoutedEventArgs e)
{
if (channelSearchList.SelectedItems.Count > 0)
{
var tempChannel = (Channel)channelSearchList.SelectedItem;
if (tempChannel.TotalVids > 0)
{
message.Text = await ChannelDataSource.addChannel((Channel)channelSearchList.SelectedItem);
}
else
{
message.Text = "Channel Cannot be added. There are no Video in Channel";
}
}
}
private async Task <LoadMoreItemsResult> InnerLoadMoreItemsAsync(uint expectedCount)
{
var actualCount = 0;
ObservableCollection <Video> videos = null;
try
{
if (!ChannelDataSource.NextPageAvailable(ChannelId))
{
HasMoreItems = false;
}
else
{
videos = ChannelDataSource.QuickLoadVideos(ChannelId);
}
}
catch (Exception)
{
HasMoreItems = false;
throw;
}
if (videos != null && videos.Any())
{
foreach (var video in videos)
{
Add(video);
}
}
else
{
HasMoreItems = false;
}
return(new LoadMoreItemsResult
{
Count = (uint)actualCount
});
}
