internal SearchLocationsCompletedEventArgs(Exception error, Boolean cancelled, Object userState, ItemViewModel station)
: base(error, cancelled, userState)
{
#region Initialize the state.
if (station != null)
{
m_station = station;
}
#endregion
}
public void SelectStation(ItemViewModel station)
{
MessageBox.Show("Haltestelle " + station.StationName + " ausgewählt.");
}
/// <summary>
/// ACTIONS
/// </summary>
/// <param name="station"></param>
public void SelectStation(ItemViewModel station)
{
if (SearchSource.Equals("DepartureView"))
{
queryVM.StationId = station.Location.Id;
navigationService.UriFor<DepartureViewModel>().WithParam(x => x.DepartureField, station.StationName + ", " + station.City + "$" + station.Location.Id).Navigate();
}
else if (SearchSource.Equals("Departure"))
{
queryVM.From = station.Location;
navigationService.UriFor<SearchViewModel>().WithParam(x => x.DepartureField, station.StationName + ", " + station.City + "$" + station.Location.Id).Navigate();
}
else
{
queryVM.From = station.Location;
navigationService.UriFor<SearchViewModel>().WithParam(x => x.ArrivalField, station.StationName + ", " + station.City + "$" + station.Location.Id).Navigate();
}
}
/// <summary>
/// Handle the first response returned from the async request
/// </summary>
/// <param name="asyncResult"></param>
private void HandleCoordResponse(IAsyncResult asyncResult) ///now this is background
{
// get the state information
QueryUpdateState queryUpdateState = (QueryUpdateState)asyncResult.AsyncState;
HttpWebRequest getStationsRequest = (HttpWebRequest)queryUpdateState.AsyncRequest;
// end the async request
queryUpdateState.AsyncResponse = (HttpWebResponse)getStationsRequest.EndGetResponse(asyncResult);
string status = queryUpdateState.AsyncResponse.StatusDescription;
HttpStatusCode statusCode = queryUpdateState.AsyncResponse.StatusCode;
Stream streamResult;
try
{
// get the stream containing the response from the async call
streamResult = queryUpdateState.AsyncResponse.GetResponseStream();
// load the XML
XElement xmlStationsResponse = XElement.Load(streamResult);
XElement originElem = xmlStationsResponse.Descendants("coordInfoItemList").FirstOrDefault();
if (originElem != null)
{
List<ItemViewModel> stations = new List<ItemViewModel>();
foreach (var xmlStation in originElem.Descendants("coordInfoItem"))
{
if (xmlStation.HasAttributes)
{
var station = new ItemViewModel();
station.SelectionBorderThickness = new Thickness(0);
station.City = xmlStation.Attribute("locality").Value;
station.StationName = xmlStation.Attribute("name").Value;
int id = -1;
if (xmlStation.Attribute("id") != null)
id = int.Parse(xmlStation.Attribute("id").Value);
int distance = -1;
if (xmlStation.Attribute("distance") != null)
distance = int.Parse(xmlStation.Attribute("distance").Value);
int lon = -1, lat = -1;
XElement coordElem = xmlStation.Descendants("itdCoordinateString").FirstOrDefault();
if (coordElem != null)
{
string[] coordString = coordElem.Value.Split(',');
if (coordString.Length == 2)
{
lon = int.Parse(coordString[0]);
lat = int.Parse(coordString[1]);
}
}
station.Location = new Location(LocationType.STATION, id, lat, lon);
station.Distance = distance + "m";
stations.Add(station);
}
}
OnSearchNearbyLocationsCompleted(new SearchLocationsCompletedEventArgs(null, false, "nearbyItems", stations));
}
}
catch (FormatException fe)
{
throw new Exception("Fehler bei GetResponseStream()", fe.InnerException);
// there was some kind of error processing the response from the web
// additional error handling would normally be added here
}
}
/// <summary>
/// Handle the found stations response returned from the async request
/// </summary>
/// <param name="asyncResult"></param>
private void AsyncResponseLoadStations(IAsyncResult asyncResult) ///now this is background
{
// get the state information
QueryUpdateState queryUpdateState = (QueryUpdateState)asyncResult.AsyncState;
HttpWebRequest getStationsRequest = (HttpWebRequest)queryUpdateState.AsyncRequest;
// end the async request
queryUpdateState.AsyncResponse = (HttpWebResponse)getStationsRequest.EndGetResponse(asyncResult);
Stream streamResult;
try
{
// get the stream containing the response from the async call
streamResult = queryUpdateState.AsyncResponse.GetResponseStream();
// load the XML
XElement xmlStationsResponse = XElement.Load(streamResult);
XElement originElem = xmlStationsResponse.Descendants("itdOdv").Where(elem => elem.Attribute("usage").Value.Equals("origin")).FirstOrDefault();
List<ItemViewModel> stations = new List<ItemViewModel>();
foreach (var xmlStation in originElem.Descendants("odvNameElem"))
{
if (xmlStation.HasAttributes)
{
var station = new ItemViewModel();
station.SelectionBorderThickness = new Thickness(0);
station.City = xmlStation.Attribute("locality").Value;
station.StationName = xmlStation.Attribute("objectName").Value;
Location loc = new Location(LocationType.STATION, int.Parse(xmlStation.Attribute("id").Value));
station.Location = loc;
//temp.ThumbNailImage = new BitmapImage(new Uri("Images/Haltestelle.gif"));
stations.Add(station);
}
}
OnSearchNearbyLocationsCompleted(new SearchLocationsCompletedEventArgs(null, false, "items", stations));
}
catch (FormatException fe)
{
throw new Exception("Fehler bei GetResponseStream()", fe.InnerException);
// there was some kind of error processing the response from the web
// additional error handling would normally be added here
}
//long applicationCurrentMemoryUsage = (long)DeviceExtendedProperties.GetValue("ApplicationCurrentMemoryUsage");
}
public void SelectStation(ItemViewModel station)
{
if (StationSelected != null)
StationSelected(station, EventArgs.Empty);
}