private async Task<object> ShowMap(RoomInfo location)
{
if (location == null) return null;
string svgDocContent = await CloudAccesser.LoadMapSvg(location, Waiter);
UpdateLoginLogoutUI();
if (svgDocContent == null) return null;
ResetMap();
this.roomDisplay.Text = location.ToString();
roomDisplay.Visibility = Visibility.Visible;
ContentPanel.Visibility = Visibility.Collapsed;
funky.Visibility = Visibility.Visible;
Foo.Visibility = Visibility.Visible;
funkyKids.Children.Clear();
var f = this.funky;
var fk = this.funkyKids;
var resources = this.Resources;
var textRotation = (CompositeTransform)this.Resources["antiRotation"];
var dispatcher = this.Dispatcher;
var tcs = new TaskCompletionSource<object>();
System.Threading.Thread t = new System.Threading.Thread(() =>
{
map = new XamlMapInfo(location, svgDocContent);
map.Render(f, fk, Foo, textRotation, (x) => dispatcher.BeginInvoke(x), location);
tcs.SetResult(null);
});
t.Start();
return tcs.Task;
}
async static public Task<string> LoadMapSvg(RoomInfo location, Action<bool> waiter)
{
// Check cache
waiter(true);
try
{
string filename = "Maps/" + location.Building + "-" + location.Floor + ".svg";
IsolatedStorageFile store = IsolatedStorageFile.GetUserStoreForApplication();
if (store.FileExists(filename))
{
// TODO: Add app-wide support for clearing cache
var content = store.OpenFile(filename, System.IO.FileMode.Open, System.IO.FileAccess.Read);
string svgDocContent = new System.IO.StreamReader(content).ReadToEnd();
return svgDocContent;
}
// Not in cache, so need to access files on server.
if (!await TryLogin())
{
return null;
}
// OK, user has permission so lets try to get the data from the server.
var mapTable = service.GetTable<Map>();
List<Map> maps = null;
try
{
maps = await mapTable.Where(p => p.Building == location.Building && p.Floor == location.Floor).ToListAsync();
}
catch (Exception ex)
{
Debug.WriteLine(ex.ToString());
}
if (maps == null || maps.Count() == 0)
{
MessageBox.Show("Server does not have a map for: " + location.ToString());
#if !NETFX_CORE
return null;
#else
// Upload mode
StreamResourceInfo resource = Application.GetResourceStream(new Uri(filename, UriKind.Relative));
string content0 = new StreamReader(resource.Stream).ReadToEnd();
var chunks = Chunker(content0, 1024 * 128);
for (int i = 0; i < chunks.Length; i++)
{
var newMap = new Map() { Floor = location.Floor, Building = location.Building, Part = i, SVG = chunks[i] };
Debug.WriteLine("inserting " + i + " of " + chunks.Length);
await mapTable.InsertAsync(newMap);
}
maps = await mapTable.Where(p => p.Building == location.Building && p.Floor == location.Floor).ToListAsync();
if (maps.Count() == 0)
{
MessageBox.Show("Still wrong!");
return null;
}
#endif
}
// Map is on the server
string svg = string.Join("", maps.OrderBy(p => p.Part).Select(p => p.SVG));
if (!store.DirectoryExists("Maps"))
{
store.CreateDirectory("Maps");
}
var content2 = store.OpenFile(filename, FileMode.OpenOrCreate, FileAccess.Write);
byte[] bytes = Encoding.UTF8.GetBytes(svg);
content2.Write(bytes, 0, bytes.Length);
content2.Flush();
content2.Close();
return svg;
}
finally
{
waiter(false);
}
}
private async Task ShowMap(RoomInfo location, GeoCoord? loc = null)
{
if (location == null) return;
string content = await CloudAccesser.LoadMapSvg(location, Waiter);
MapMetadata mapMetadata = await CloudAccesser.LoadMapMetadata(location);
#if NETFX_CORE || WINDOWS_PHONE
UpdateLoginLogoutUI();
#endif
if (content == null) return;
this.roomDisplay.Text = "";
view.ResetMap();
this.roomDisplay.Text = location.ToString();
roomDisplay.Visibility = Visibility.Visible;
ContentPanel.Visibility = Visibility.Collapsed;
view.Visibility = Visibility.Visible;
overlay.Visibility = Visibility.Visible;
var resources = this.Resources;
var dispatcher = this.Dispatcher;
var map = new XamlMapInfo(location, content, mapScaleFactor);
this.view.MapMetadata = mapMetadata;
await map.Render(view.LiveChildCollection, view.TextRotation, (a, b, c) =>
{
this.view.SetViewForMap(a, b, c);
if (loc.HasValue)
{
view.ShowScanLoc(loc.Value);
}
}, RunOnUIThread, location, overlay);
}
