void request_MapDataDownloadCompleted(object sender, DownloadStringCompletedEventArgs e)
{
KMLFeed feed = currentFeed;
currentFeed = null; // let the next one go ...
if (e.Error != null)
{
Console.WriteLine("Error : " + e.Error.Message);
return;
}
Console.Error.WriteLine("Success : ");
XDocument xDoc = XDocument.Parse(e.Result);
XNamespace ns = xDoc.Root.Attributes("xmlns").First().Value;//http://earth.google.com/kml/2.1"; // seems some are 2.2
if (xDoc.Descendants(ns + "Polygon").Count() > 0)
{
var elements = from results in xDoc.Descendants(ns + "Placemark")
select new PlaceMarkRegion
{
description = results.Element(ns + "description").Value,
// Polygon, outerBoundaryIs, LinearRing, coordinates
coords = results.Element(ns + "Polygon").Element(ns + "outerBoundaryIs").Element(ns + "LinearRing").Element(ns + "coordinates").Value
};
feed.RefMapLayer = new MapLayer();
feed.IsRegionData = true;
foreach (PlaceMarkRegion reg in elements)
{
MapRegionControl polygon = new MapRegionControl();
polygon.Tag = reg.description;
polygon.Locations = new LocationCollection();
foreach (Location loc in reg.coordList)
{
polygon.Locations.Add(loc);
}
feed.RefMapLayer.Children.Add(polygon);
}
}
else
{
var elements = from results in xDoc.Descendants(ns + "Placemark")
select new PlaceMark
{
Id = results.Element(ns + "description").Value,
FeedId = feed.ID,
IsSystem = feed.IsSystem,
Name = results.Element(ns + "name").Value,
Coords = results.Element(ns + "Point").Element(ns + "coordinates").Value
};
ImageBrush brush = null;
if (feed.Icon != null)
{
brush = new ImageBrush();
brush.ImageSource = new BitmapImage(new Uri(feed.Icon));
}
feed.RefMapLayer = new MapLayer();
feed.IsRegionData = false;
foreach (PlaceMark elem in elements)
{
if (brush != null)
{
Pushpin pin = new Pushpin();
pin.Background = brush;
pin.MouseLeftButtonUp += pin_MouseLeftButtonUp;
pin.Tag = elem;
pin.Name = Guid.NewGuid().ToString();
pin.RenderTransform = new CompositeTransform();
(pin.RenderTransform as CompositeTransform).TranslateY = -300;
pin.Loaded += (loadedSender, loadedEventArgs) =>
{
Pushpin currentPin = loadedSender as Pushpin;
Guid random = new Guid(currentPin.Name);
byte[] bytes = random.ToByteArray();
int seed = BitConverter.ToInt32(bytes, 0);
Random fromValueRandom = new Random(seed);
Random durationRandom = new Random(seed);
var storyboard = new Storyboard();
var translateAnimation = new DoubleAnimation()
{
From = -fromValueRandom.Next(100, 400),
To = 0,
Duration = TimeSpan.FromMilliseconds(durationRandom.Next(1000, 5000)),
EasingFunction = new CircleEase() { EasingMode = EasingMode.EaseInOut }
};
translateAnimation.SetValue(Storyboard.TargetNameProperty, currentPin.Name);
translateAnimation.SetValue(Storyboard.TargetPropertyProperty, new PropertyPath("(UIElement.RenderTransform).(CompositeTransform.TranslateY)"));
storyboard.Children.Add(translateAnimation);
Resources.Add(currentPin.Name, storyboard);
storyboard.Begin();
};
feed.RefMapLayer.AddChild(pin, elem.Location, PositionOrigin.BottomCenter);
string hint = elem.Id.Replace("<br/>", "\n");
ToolTipService.SetToolTip(pin, hint);
}
else
{
Pushpin pin = new Pushpin();
pin.Location = elem.Location;
pin.Height = pin.Width = 22;
pin.Tag = elem;
feed.RefMapLayer.AddChild(pin, elem.Location,PositionOrigin.BottomCenter);
}
}
}
// we are seperating region layers from points, so everything stacks nicely
if (feed.IsRegionData)
{
regionsMapLayer.Children.Add(feed.RefMapLayer);
}
else
{
pointsMapLayer.Children.Add(feed.RefMapLayer);
}
}
void onLoadRegionData(object sender, DownloadStringCompletedEventArgs e)
{
if (e.Error != null)
{
Console.Error.WriteLine(e.Error.Message);
return;
}
XmlReaderSettings settings = new XmlReaderSettings();
settings.DtdProcessing = DtdProcessing.Ignore;
XmlReader reader = XmlReader.Create(new StringReader(e.Result), settings);
SyndicationFeed feed = SyndicationFeed.Load(reader);
List<KMLFeed> kmlFeedList = new List<KMLFeed>();
KMLFeed emptyFeed = new KMLFeed();
emptyFeed.Title = MainPageResource.HideallMapAttributes;
emptyFeed.Link = null;
kmlFeedList.Add(emptyFeed);
foreach (SyndicationItem item in feed.Items)
{
KMLFeed kFeed = new KMLFeed();
kFeed.ID = item.Id;
kFeed.Title = item.Title.Text;
kFeed.Summary = item.Summary.Text;
kFeed.IsSystem = true;
foreach (SyndicationLink link in item.Links)
{
if (link.RelationshipType == "enclosure")
{
if (link.MediaType == "application/vnd.google-earth.kml+xml")
{
if (link.Uri.IsAbsoluteUri)
{
kFeed.Link = link.Uri.ToString();
}
else
{
kFeed.Link = BaseURL + link.Uri.ToString();
}
}
else if (link.MediaType == "image/png")
{
kFeed.Icon = link.Uri.ToString();
}
}
}
// we discard the item if it does NOT have a kml link
if (kFeed.Link != null)
{
kmlFeedList.Add(kFeed);
}
}
lbRegionFeeds.ItemsSource = kmlFeedList;
}
// TODO: Put this in service.Feeds or something
private void CreateMapLayer(KMLFeed feed)
{
if (feed.Link == null)
{
// special case for the empty radio button to hide all
return;
}
if (currentFeed == null)
{
currentFeed = feed; // one at a time
WebClient client = new WebClient();
client.DownloadStringCompleted += request_MapDataDownloadCompleted;
client.DownloadStringAsync(new Uri(feed.Link));
}
else
{
//throw new Exception("one at a time");
}
}
void InitSocialFeeds()
{
KMLFeed communityFeed = new KMLFeed();
communityFeed.Title = MainPageResource.SharedLandmarks;
communityFeed.Icon = "Images/icon_star.png";
communityFeed.RefMapLayer = communityMapLayer;
lbSocialFeeds.Items.Add(communityFeed);
KMLFeed twitFeed = new KMLFeed();
twitFeed.Title = MainPageResource.NearbyTweets;
twitFeed.Icon = BaseURL + "Images/TwitterSignin.png";
twitFeed.RefMapLayer = twitterMapLayer;
lbSocialFeeds.Items.Add(twitFeed);
Service.User.GetUser();
}
void User_AuthUpdate(UserController sender)
{
if (sender.IsAuthenticated)
{
// TODO: feed should be generic, not always KML
KMLFeed feed = new KMLFeed();
feed.Title = MainPageResource.YourLandmarks;
feed.Icon = Service.User.currentUser.profile_image_url;
feed.RefMapLayer = currentUserMapLayer;
lbSocialFeeds.Items.Insert(0, feed); // we want it FIRST in the list
socialStackPanel.Visibility = Visibility.Visible;
btnAddLandmark.Visibility = Visibility.Visible;
this.currentUserBadge.CurrentUser = sender.currentUser;
InitUserLandmarkLayers();
}
else
{
btnAddLandmark.Visibility = Visibility.Collapsed;
this.currentUserBadge.CurrentUser = null;
}
}
