private void Timeline_TweetEvent(object sender, EventArgs e)
{
ViewTweet tweet = new ViewTweet((Status)sender, Mobile);
tweet.BackEvent += Tweet_BackEvent;
if (Mobile)
{
PivotItem pi = (PivotItem)twarpPivot.Items[twarpPivot.SelectedIndex];
tweet.timeline = (TwarpTimeline)pi.Content;
pi.Content = tweet;
}
else
{
foreach (var item in mainStack.Children)
{
if (item is TwarpTimeline && ((TwarpTimeline)item).active)
{
var index = mainStack.Children.IndexOf(item);
tweet.timeline = (TwarpTimeline)mainStack.Children[index];
Grid.SetColumn(tweet, index);
mainStack.Children[index] = tweet;
break;
}
}
}
// enable back button - mobile only
if (Mobile)
{
stage = app_stage.tweet;
SystemNavigationManager.GetForCurrentView().AppViewBackButtonVisibility = AppViewBackButtonVisibility.Visible;
}
}
private void favourites_Click(object sender, RoutedEventArgs e)
{
// Mobile only...
if (twarpPivot.Items.Count >= 4)
{
Boolean available = false;
foreach (PivotItem item in twarpPivot.Items)
{
if ((String)item.Header == "New feed")
{
available = true;
break;
}
}
if (!available)
{
MessageDialog dialog = new MessageDialog("The number of timelines to follow is limited to four.", "Cannot add new search");
dialog.ShowAsync();
return;
}
}
mainContent.Content = favHist;
// enable back button
stage = app_stage.fav;
SystemNavigationManager.GetForCurrentView().AppViewBackButtonVisibility = AppViewBackButtonVisibility.Visible;
}
private async void Feed_TwarpEvent(object sender, EventArgs e)
{
FeedSelector feeder = sender as FeedSelector;
if (feeder.hashtag.Length <= 2)
{
MessageDialog dialog = new MessageDialog("The hashtag must be greater than two characters in length.", "Invalid hashtag");
dialog.ShowAsync();
return;
}
TwarpTimeline timeline = new TwarpTimeline(Mobile);
timeline.feeder = feeder;
timeline.TweetEvent += Timeline_TweetEvent;
timeline.CloseEvent += Timeline_CloseEvent;
timeline.BackEvent += Timeline_BackEvent;
await timeline.init(feeder.hashtag, feeder.startTime);
if (timeline.noNetwork)
{
MessageDialog dialog = new MessageDialog("Please connect to the internet and try again.", "No internet connection");
dialog.ShowAsync();
return;
}
if (timeline.noData)
{
MessageDialog dialog = new MessageDialog("The twitter search returned no results. Try using a different hashtag.", "No results found");
dialog.ShowAsync();
return;
}
if (Mobile)
{
PivotItem pi = feeder.Parent as PivotItem;
pi.Content = timeline;
pi.Header = "#" + feeder.hashtag;
}
else
{
var index = mainStack.Children.IndexOf(feeder);
mainStack.Children[index] = timeline;
Grid.SetColumn(timeline, index);
}
// add history item:
favHist.addHistory(feeder.hashtag, feeder.startTime);
// enable back button
if (Mobile)
{
stage = app_stage.timeline;
SystemNavigationManager.GetForCurrentView().AppViewBackButtonVisibility = AppViewBackButtonVisibility.Visible;
}
}
private void settings_Click(object sender, RoutedEventArgs e)
{
// mobile only...
mainContent.Content = twarpSettings;
// enable back button
stage = app_stage.settings;
SystemNavigationManager.GetForCurrentView().AppViewBackButtonVisibility = AppViewBackButtonVisibility.Visible;
}
private void TwarpPivot_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
// mobile only...
PivotItem pi = (PivotItem)(sender as Pivot).SelectedItem;
if (pi.Content is TwarpTimeline)
{
SystemNavigationManager.GetForCurrentView().AppViewBackButtonVisibility = AppViewBackButtonVisibility.Visible;
stage = app_stage.timeline;
}
else if (pi.Content is ViewTweet)
{
SystemNavigationManager.GetForCurrentView().AppViewBackButtonVisibility = AppViewBackButtonVisibility.Visible;
stage = app_stage.tweet;
}
else
{
SystemNavigationManager.GetForCurrentView().AppViewBackButtonVisibility = AppViewBackButtonVisibility.Collapsed;
stage = app_stage.feeder;
}
}
public MainPage()
{
this.InitializeComponent();
Application.Current.Resuming += Current_Resuming;
// check if we're on a mobile device:
Mobile = Windows.System.Profile.AnalyticsInfo.VersionInfo.DeviceFamily == "Windows.Mobile";
Desktop = !Mobile;
// create menu for desktop version
if (Desktop)
{
// desktop version of the app - create the menu:
menuContent.Children.Insert(0, favHist);
// menuContent.Children.Insert(1, twarpSettings);
}
// initialise favourites and wire up events:
favHist.init();
favHist.FavouriteEvent += Favourites_FavouriteEvent;
favHist.HistoryEvent += Favourites_HistoryEvent;
// add event handler for pivot item change:
twarpPivot.SelectionChanged += TwarpPivot_SelectionChanged;
// load feed selection user control and wire up handler:
// mainContent.Content = feed;
FeedSelector feed = new FeedSelector();
feed.TwarpEvent += Feed_TwarpEvent;
feed.AddFavEvent += Feed_AddFavEvent;
// add feed to first item of pivot:
if (Mobile)
{
mainContent.Content = twarpPivot;
// twarpPivot.Margin = new Thickness { Top = -25 };
PivotItem pi = new PivotItem()
{
Header = "New feed"
};
pi.Content = feed;
twarpPivot.Items.Add(pi);
twarpPivot.SelectedIndex = 0;
}
else
{
mainStack.Children.Add(feed);
Grid.SetColumn(feed, 0);
}
SystemNavigationManager.GetForCurrentView().BackRequested += (s, e) =>
{
// mobile only...
// Restore to previous stage:
switch (stage)
{
case app_stage.tweet:
PivotItem pItem = (PivotItem)twarpPivot.Items[twarpPivot.SelectedIndex];
ViewTweet tweet = (ViewTweet)pItem.Content;
pItem.Content = tweet.timeline;
stage = app_stage.timeline;
// SystemNavigationManager.GetForCurrentView().AppViewBackButtonVisibility = AppViewBackButtonVisibility.Collapsed;
e.Handled = true;
break;
case app_stage.timeline:
// return to feed selector:
PivotItem pItem2 = (PivotItem)twarpPivot.Items[twarpPivot.SelectedIndex];
pItem2.Header = "New feed";
pItem2.Content = ((TwarpTimeline)pItem2.Content).feeder;
SystemNavigationManager.GetForCurrentView().AppViewBackButtonVisibility = AppViewBackButtonVisibility.Collapsed;
stage = app_stage.feeder;
e.Handled = true;
break;
case app_stage.settings:
case app_stage.fav:
mainContent.Content = twarpPivot;
SystemNavigationManager.GetForCurrentView().AppViewBackButtonVisibility = AppViewBackButtonVisibility.Collapsed;
stage = app_stage.main;
e.Handled = true;
break;
default:
SystemNavigationManager.GetForCurrentView().AppViewBackButtonVisibility = AppViewBackButtonVisibility.Collapsed;
e.Handled = false;
break;
}
};
}
