private void WriteComment_SizeChanged(object sender,
SizeChangedEventArgs e)
{
var actualHeight = ActualHeight;
var verticalOffset = PostScrollViewer.VerticalOffset;
var scrollableHeight = PostScrollViewer.ScrollableHeight;
var writeCommentHeight = Math.Clamp(
(int)e.NewSize.Height + (((int)e.NewSize.Height).IsEven() ? 0 : 1),
_writeCommentMinHeight, _writeCommentMaxHeight);
var scrollViewerHeight = actualHeight - writeCommentHeight;
writeCommentHeight = Math.Floor(writeCommentHeight);
scrollViewerHeight = Math.Ceiling(scrollViewerHeight);
scrollViewerHeight += actualHeight - writeCommentHeight - scrollViewerHeight;
PostGrid.RowDefinitions[0].Height = new GridLength(
scrollViewerHeight);
PostGrid.RowDefinitions[1].Height = new GridLength(
writeCommentHeight);
WriteCommentStackPanel.Height = writeCommentHeight;
if (verticalOffset >= scrollableHeight - 20)
{
PostScrollViewer.ScrollToEnd();
}
}
protected override async void OnEnter(object sender,
RoutedEventArgs e)
{
base.OnEnter(sender, e);
CommentsList.UpdateLayout();
UpdateLayout();
GC.WaitForPendingFinalizers();
GC.Collect();
if (!IsOnEnterActive)
{
e.Handled = true;
return;
}
PostScrollViewer
.ScrollToVerticalOffset(0.0);
await UpdatePost()
.ConfigureAwait(true);
var draft = await StorageManager.GetPostCommentDraft(
SettingsManager.PersistentSettings.CurrentUser.Id,
ViewModel.CurrentPostData.Id)
.ConfigureAwait(true);
WriteComment.CommentText = draft.CommentText;
WriteComment.IsAnonymous = draft.IsAnonymous;
WriteComment.ContentTextBox.ScrollToEnd();
WriteComment.ContentTextBox.CaretIndex = draft.CommentText.Length;
WriteComment.ContentTextBox.Focus();
if (PostScrollViewer.VerticalOffset >= PostScrollViewer.ScrollableHeight - 20)
{
PostScrollViewer.ScrollToVerticalOffset(0.0);
}
}
private async void CommentsList_CommentReply(object sender,
RoutedEventArgs e)
{
if (!(sender is CommentsList))
{
return;
}
if (!(e.OriginalSource is Comment comment))
{
return;
}
var verticalOffset = PostScrollViewer.VerticalOffset;
var scrollableHeight = PostScrollViewer.ScrollableHeight;
var userNickname = !string.IsNullOrEmpty(comment.CurrentCommentData.User.Nickname)
? comment.CurrentCommentData.User.Nickname
: "Unknown";
string replyText;
switch (SettingsManager.AppSettings.CommentReplyModeEnum)
{
case CommentReplyModeType.Experimental:
replyText =
$">>> {userNickname}:\n\n"
+ $"{comment.CurrentCommentData.Text}\n\n"
+ ">>>\n\n";
break;
case CommentReplyModeType.Legacy:
default:
replyText =
$"{userNickname}, ";
break;
}
var oldCaretIndex = WriteComment.ContentTextBox.CaretIndex;
WriteComment.CommentText = replyText + WriteComment.CommentText;
WriteComment.ContentTextBox.CaretIndex = replyText.Length + oldCaretIndex;
WriteComment.ContentTextBox.ScrollToEnd();
WriteComment.ContentTextBox.Focus();
if (verticalOffset >= scrollableHeight - 20)
{
PostScrollViewer.ScrollToEnd();
}
if (comment.CurrentCommentData.User.Id.HasValue &&
comment.CurrentCommentData.User.Id == SettingsManager.PersistentSettings.CurrentUser.Id)
{
return;
}
for (var i = 0; i < 2; ++i)
{
if (comment.CurrentCommentData.Likes.MyCount == 0)
{
await PostApi.AddLikeComment(
SettingsManager.PersistentSettings.CurrentUser.Token,
comment.CurrentCommentData.Id)
.ConfigureAwait(true);
}
else
{
await PostApi.RemoveLikeComment(
SettingsManager.PersistentSettings.CurrentUser.Token,
comment.CurrentCommentData.Id)
.ConfigureAwait(true);
}
if (comment.CurrentCommentData.Likes.MyCount == 0)
{
++comment.CurrentCommentData.Likes.MyCount;
}
else
{
--comment.CurrentCommentData.Likes.MyCount;
}
}
}
