private async void postCommentButton_Click(object sender, RoutedEventArgs e)
{
progressRing.Visibility = Visibility.Visible;
var name = NameText.Text;
var email = MailText.Text;
var content = CommentText.Text;
string template = "post_id={0}&name={1}&email={2}&content={3}";
string postData = string.Format(template, post_id, name, email, content);
byte[] byteArray = Encoding.UTF8.GetBytes(postData);
WebRequest request = HttpWebRequest.Create(App.BLOG_URL + "?json=submit_comment");
request.Method = "POST";
request.ContentType = "application/x-www-form-urlencoded";
Stream dataStream = await request.GetRequestStreamAsync();
await dataStream.WriteAsync(byteArray, 0, byteArray.Length);
try
{
WebResponse response = await request.GetResponseAsync();
dataStream = response.GetResponseStream();
StreamReader reader = new StreamReader(dataStream);
string responseFromServer = await reader.ReadToEndAsync();
var deserialized_response = JsonConvert.DeserializeObject <ServerResponse>(responseFromServer);
if (deserialized_response.status != "error")
{
StatusBlock.Foreground = new SolidColorBrush(Colors.Green);
StatusBlock.Text = "Comment posted!";
progressRing.Visibility = Visibility.Collapsed;
}
else
{
StatusBlock.Foreground = new SolidColorBrush(Colors.Red);
StatusBlock.Text = deserialized_response.error;
progressRing.Visibility = Visibility.Collapsed;
}
}
catch (Exception ex)
{
StatusBlock.Foreground = new SolidColorBrush(Colors.Red);
StatusBlock.Text = "An error occurred. Please try again.";
progressRing.Visibility = Visibility.Collapsed;
}
FeedDataSource feedDataSource = (FeedDataSource)App.Current.Resources["feedDataSource"];
if (feedDataSource != null)
{
await feedDataSource.GetFeedsAsync();
}
if (post_title != null)
{
LoadState(post_title, null);
}
}
/// <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="navigationParameter">The parameter value passed to
/// <see cref="Frame.Navigate(Type, Object)"/> when this page was initially requested.
/// </param>
/// <param name="pageState">A dictionary of state preserved by this page during an earlier
/// session. This will be null the first time a page is visited.</param>
protected async override void LoadState(Object navigationParameter, Dictionary <String, Object> pageState)
{
pageTitle.Text = "Articles tagged \"" + App.page_title + "\"";
navParam = navigationParameter.ToString();
ViewCommentsButton.Visibility = Visibility.Collapsed;
progressRing.Visibility = Visibility.Visible;
Windows.UI.Xaml.Media.Animation.Storyboard sb =
this.FindName("PopInStoryBoard") as Windows.UI.Xaml.Media.Animation.Storyboard;
if (sb != null)
{
sb.Begin();
}
// TODO: Assign a bindable group to this.DefaultViewModel["Group"]
// TODO: Assign a collection of bindable items to this.DefaultViewModel["Items"]
FeedDataSource feedDataSource = (FeedDataSource)App.Current.Resources["feedDataSource"];
if (feedDataSource != null)
{
await feedDataSource.GetFeedsAsync("tag", navigationParameter.ToString());
}
RootObject feedData = FeedDataSource.GetFeed();
if (feedData != null)
{
this.DefaultViewModel["Feed"] = feedData;
this.DefaultViewModel["Items"] = feedData.posts;
}
if (pageState == null)
{
// When this is a new page, select the first item automatically unless logical page
// navigation is being used (see the logical page navigation #region below.)
if (!this.UsingLogicalPageNavigation() && this.itemsViewSource.View != null)
{
this.itemsViewSource.View.MoveCurrentToFirst();
}
else
{
//this.itemsViewSource.View.MoveCurrentToPosition(-1);
}
}
else
{
// Restore the previously saved state associated with this page
if (pageState.ContainsKey("SelectedItem") && this.itemsViewSource.View != null)
{
// TODO: Invoke this.itemsViewSource.View.MoveCurrentTo() with the selected
// item as specified by the value of pageState["SelectedItem"]
string itemTitle = (string)pageState["SelectedItem"];
Post selectedItem = FeedDataSource.GetItem(itemTitle);
this.itemsViewSource.View.MoveCurrentTo(selectedItem);
}
}
ViewCommentsButton.Visibility = Visibility.Visible;
progressRing.Visibility = Visibility.Collapsed;
}
public async void Execute(object param)
{
FeedDataSource feedDataSource = (FeedDataSource)App.Current.Resources["feedDataSource"];
if (feedDataSource == null)
{
return;
}
//Shouldn't need this now, but I'll leave it here
ProgressRing filter_ring = new ProgressRing();
filter_ring.IsActive = true;
Flyout flyout = new Flyout();
flyout.PlacementTarget = sender as UIElement;
flyout.Placement = PlacementMode.Top;
flyout.HostMargin = new Thickness(0);
Border b = new Border();
b.Width = 20;
b.Height = 20;
b.Child = filter_ring;
flyout.Content = b;
flyout.IsOpen = true;
Menu menu = new Menu();
menu.MaxHeight = 300;
switch (type)
{
case "category":
foreach (Category item in feedDataSource.CategoryList.categories)
{
ToggleMenuItem menuItem = new ToggleMenuItem();
menuItem.Text = item.title;
menuItem.Command = new MenuCategoryCommand(item.slug, item.title);
menu.Items.Add(menuItem);
}
break;
case "tag":
default:
foreach (Tag item in feedDataSource.TagList.tags)
{
ToggleMenuItem menuItem = new ToggleMenuItem();
menuItem.Text = item.title;
menuItem.Command = new MenuTagCommand(item.slug, item.title);
menu.Items.Add(menuItem);
}
break;
}
flyout.Content = menu;
}
/// <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="navigationParameter">The parameter value passed to
/// <see cref="Frame.Navigate(Type, Object)"/> when this page was initially requested.
/// </param>
/// <param name="pageState">A dictionary of state preserved by this page during an earlier
/// session. This will be null the first time a page is visited.</param>
protected override void LoadState(Object navigationParameter, Dictionary <String, Object> pageState)
{
string itemTitle = (string)navigationParameter;
post_title = itemTitle;
Post feedItem = FeedDataSource.GetItem(itemTitle);
post_id = feedItem.id;
if (feedItem != null)
{
this.DataContext = feedItem;
foreach (Comment comment in feedItem.comments)
{
HtmlDocument html = new HtmlDocument();
html.LoadHtml(comment.content);
comment.content = HtmlEntity.DeEntitize(html.DocumentNode.InnerText);
}
this.commentsListView.ItemsSource = feedItem.comments;
}
}
