/// <summary>
/// Searches all agencies for all bus numbers.
/// </summary>
public async Task SearchAsync(string query, OneBusAway.Model.Point userLocation)
{
this.NoSearchResultsText = string.Format(CultureInfo.CurrentCulture, "SEARCHING FOR '{0}'", query);
try
{
if (string.IsNullOrEmpty(query))
{
this.SearchResults.Clear();
this.BingMapsSearchResults = null;
}
else
{
// If the user selected a suggestion, then that means they want a specific bus:
if (query.StartsWith("BUS", StringComparison.OrdinalIgnoreCase))
{
await DisplayAndSelectSpecificRouteAsync(query.Substring(3).Trim());
}
else
{
var listOfAllRoutes = await this.LoadAllRoutesAsync();
// Let's filter the results!
var newItems = (from result in listOfAllRoutes
where (result.ShortName != null && result.ShortName.IndexOf(query, StringComparison.OrdinalIgnoreCase) > -1) ||
(result.Description != null && result.Description.IndexOf(query, StringComparison.OrdinalIgnoreCase) > -1)
select new SearchRouteResultViewModel(result));
await this.uiHelper.BatchAddItemsAsync(this.searchResults, newItems);
var bingMapResults = await BingMapsServiceHelper.GetLocationByQuery(query, Utilities.Confidence.Medium, userLocation);
this.BingMapsSearchResults = (from result in bingMapResults
select new SearchLocationResultViewModel(result)).ToArray();
}
}
}
catch
{
}
this.NoSearchResultsText = "NO RESULTS";
}
/// <summary>
/// Creates a map image for a tile.
/// </summary>
private static async Task <string> CreateTileMapImageAsync(string tileId, double latitude, double longitude, int width, int height, TileSize tileSize)
{
// Get the image from Bing and save to disk.
string tileImageFile = string.Format("{0}-{1}.png", tileId, tileSize.ToString());
string tileImagePath = Path.Combine("Tiles", tileImageFile);
bool fileExists = false;
try
{
var file = await ApplicationData.Current.LocalFolder.GetFileAsync(tileImagePath);
fileExists = true;
}
catch
{
}
// Create the file:
if (!fileExists)
{
BingMapsServiceHelper bingMapsHelper = new BingMapsServiceHelper();
using (var memoryStream = await bingMapsHelper.GetStaticImageBytesAsync(
latitude,
longitude,
width,
height))
{
IStorageFile storageFile = await ApplicationData.Current.LocalFolder.CreateFileAsync(tileImagePath, CreationCollisionOption.ReplaceExisting);
using (var stream = await storageFile.OpenStreamForWriteAsync())
{
memoryStream.WriteTo(stream);
}
}
}
return(tileImageFile);
}
