async void ChangeCommentDialog_PrimaryButtonClick(ContentDialog sender, ContentDialogButtonClickEventArgs args)
{
var InputBox = sender.Content as TextBox;
if (InputBox.Text.Length == 0)
{
ShowMessageAsync(ResourceLoader.GetForCurrentView("Resources").GetString("EmptyCommentError"));
}
else
{
var statusBar = StatusBar.GetForCurrentView();
statusBar.ProgressIndicator.ProgressValue = null;
statusBar.ProgressIndicator.Text = ResourceLoader.GetForCurrentView("Resources").GetString("UpdateMessage");
await statusBar.ProgressIndicator.ShowAsync();
var Item = this.DefaultViewModel[CourseItem] as Course;
var Entity = Item.Id;
var Id = Convert.ToInt32(InputBox.Tag.ToString());
var NewText = InputBox.Text;
bool isSuccess = await CommentsSource.ChangeCommentAsync(Entity, Id, NewText);
await statusBar.ProgressIndicator.HideAsync();
if (isSuccess)
{
ShowMessageAsync(ResourceLoader.GetForCurrentView("Resources").GetString("CommentSuccessfulChanging"));
}
else
{
ShowMessageAsync(ResourceLoader.GetForCurrentView("Resources").GetString("ErrorMessage"));
}
}
}
private async void CommentsList_Loaded(object sender, RoutedEventArgs e)
{
this.CommentsLoadedProgressRing.IsActive = true;
var Item = this.DefaultViewModel[CourseItem] as Course;
var CommentsList = await CommentsSource.GetCommentsAsync(Item.Id);
this.CommentsLoadedProgressRing.IsActive = false;
if (CommentsList == null)
{
await ShowErrorAsync();
}
else
{
this.DefaultViewModel[Comments] = CommentsList;
if (CommentsList.Comments.Count == 0)
{
this.NoCommentsTextBlock.Visibility = Visibility.Visible;
}
else
{
this.NoCommentsTextBlock.Visibility = Visibility.Collapsed;
}
this.CommentInputTextBox.IsEnabled = true;
if (CommentsList.NextPageUri == null)
{
this.CommentsScrollViewer.ViewChanged -= ScrollViewer_ViewChanged;
}
}
}
public void initData(VideoBase currentVideo)
{
commentSource = new CommentsSource();
videoId = currentVideo.VID;
this.Title = currentVideo.TITLE;
updateComment();
}
private async void ScrollViewer_ViewChanged(object sender, ScrollViewerViewChangedEventArgs e)
{
if (!e.IsIntermediate)
{
var Sender = sender as ScrollViewer;
if (Sender.ScrollableHeight - Sender.VerticalOffset == 0)
{
lock (IncrementalLoadingHelper)
{
if (isIncrementalLoadingStarted)
{
return;
}
else
{
isIncrementalLoadingStarted = true;
}
}
var CommentsGroup = this.DefaultViewModel[Comments] as CommentsGroup;
if (CommentsGroup.NextPageUri == null)
{
this.CommentsScrollViewer.ViewChanged -= ScrollViewer_ViewChanged;
}
else
{
var statusBar = StatusBar.GetForCurrentView();
statusBar.ProgressIndicator.Text = ResourceLoader.GetForCurrentView("Resources").GetString("DownloadingMessage");
statusBar.ProgressIndicator.ProgressValue = null;
await statusBar.ProgressIndicator.ShowAsync();
bool isSuccess = await CommentsSource.LoadMoreCommentsAsync(CommentsGroup.Id);
await statusBar.ProgressIndicator.HideAsync();
if (isSuccess)
{
var UpdatedGroup = this.DefaultViewModel[Comments] as CommentsGroup;
if (UpdatedGroup.NextPageUri == null)
{
this.CommentsScrollViewer.ViewChanged -= ScrollViewer_ViewChanged;
}
}
else
{
await ShowErrorAsync();
}
}
lock (IncrementalLoadingHelper)
{
isIncrementalLoadingStarted = false;
}
}
}
}
private async void CommentInputTextBox_KeyUp(object sender, KeyRoutedEventArgs e)
{
if (e.Key == VirtualKey.Enter)
{
this.CommentInputTextBox.IsEnabled = false;
var Text = this.CommentInputTextBox.Text.ToString();
if (Text.Length == 0)
{
await ShowErrorAsync();
}
else
{
var Item = this.DefaultViewModel[CourseItem] as Course;
var statusBar = StatusBar.GetForCurrentView();
statusBar.ProgressIndicator.ProgressValue = null;
statusBar.ProgressIndicator.Text = ResourceLoader.GetForCurrentView("Resources").GetString("AddingMessage");
await statusBar.ProgressIndicator.ShowAsync();
bool isSuccess = await CommentsSource.AddCommentAsync(Item.Id, Text);
await statusBar.ProgressIndicator.HideAsync();
if (isSuccess)
{
this.CommentInputTextBox.Text = "";
this.CommentsScrollViewer.ChangeView(0, 0, this.CommentsScrollViewer.ZoomFactor);
ShowMessageAsync(ResourceLoader.GetForCurrentView("Resources").GetString("CommentSuccessfulAdding"));
if (this.NoCommentsTextBlock.Visibility == Visibility.Visible)
{
this.NoCommentsTextBlock.Visibility = Visibility.Collapsed;
}
}
else
{
ShowMessageAsync(ResourceLoader.GetForCurrentView("Resources").GetString("ErrorMessage"));
}
this.CommentInputTextBox.IsEnabled = true;
}
}
}
private async void RemoveCommentClick(object sender, RoutedEventArgs e)
{
var senderElement = sender as MenuFlyoutItem;
var CommentIdString = senderElement.Tag.ToString();
if (CommentIdString.Length == 0)
{
ShowMessageAsync(ResourceLoader.GetForCurrentView("Resources").GetString("ErrorMessage"));
}
else
{
var Item = this.DefaultViewModel[CourseItem] as Course;
int CommentId = Convert.ToInt32(CommentIdString);
var statusBar = StatusBar.GetForCurrentView();
statusBar.ProgressIndicator.ProgressValue = null;
statusBar.ProgressIndicator.Text = ResourceLoader.GetForCurrentView("Resources").GetString("RemoveMessage");
await statusBar.ProgressIndicator.ShowAsync();
bool isSuccess = await CommentsSource.RemoveCommentAsync(Item.Id, CommentId);
await statusBar.ProgressIndicator.HideAsync();
if (isSuccess)
{
ResourceLoader.GetForCurrentView("Resources").GetString("CommentSuccessfulRemoving");
if ((this.DefaultViewModel[Comments] as CommentsGroup).Comments.Count == 0)
{
this.NoCommentsTextBlock.Visibility = Visibility.Visible;
}
else
{
this.NoCommentsTextBlock.Visibility = Visibility.Collapsed;
}
}
else
{
ShowMessageAsync(ResourceLoader.GetForCurrentView("Resources").GetString("ErrorMessage"));
}
}
}
