public void GetForecastForCityAsync(CityWeather cityWeather)
{
string link = string.Format("http://api.openweathermap.org/data/2.5/forecast?units=metric&id={0}&APPID={1}", cityWeather.CityID.ToString(), OpenWeatherKey);
if (forecastClient.IsBusy)
{
return;
}
forecastClient.OpenReadCompleted += forecastClient_OpenReadCompleted;
forecastClient.OpenReadAsync(new Uri(link), cityWeather);
}
void mapControl1_SelectionChanged(object sender, MapSelectionChangedEventArgs e) {
IList<object> selection = e.Selection;
if(selection == null || selection.Count != 1)
return;
CityWeather cityWeatherInfo = selection[0] as CityWeather;
this.actualWeatherInfo = cityWeatherInfo;
if(cityWeatherInfo != null) {
if(cityWeatherInfo.Forecast == null) {
OpenWeatherMapService.GetForecastForCityAsync(cityWeatherInfo);
cityWeatherInfo.ForecastUpdated += cityWeatherInfo_ForecastUpdated;
} else
cityWeatherInfo_ForecastUpdated(cityWeatherInfo, null);
}
}
void forecastClient_OpenReadCompleted(object sender, OpenReadCompletedEventArgs e)
{
if (e.Error == null)
{
forecastClient.OpenReadCompleted -= forecastClient_OpenReadCompleted;
Stream stream = e.Result;
CityWeather cityWeatherInfo = (CityWeather)e.UserState;
Task.Factory.StartNew(() => {
lock (forecastLocker) {
ForecastInfo forecast = ReadForecast(stream);
cityWeatherInfo.SetForecast(forecast);
}
});
}
}
void weatherClient_OpenReadCompleted(object sender, OpenReadCompletedEventArgs e)
{
WebClient weatherClient = sender as WebClient;
weatherClient.OpenReadCompleted -= weatherClient_OpenReadCompleted;
if (e.Cancelled || e.Error != null)
{
return;
}
Stream stream = e.Result;
Task.Factory.StartNew(() => {
DataContractJsonSerializer dc = new DataContractJsonSerializer(typeof(WorldWeatherInfo));
WorldWeatherInfo worldWeatherInfo = (WorldWeatherInfo)dc.ReadObject(stream);
List <CityWeather> citiesWeather = new List <CityWeather>();
foreach (CityCurrentWeatherInfo weatherInfo in worldWeatherInfo.list)
{
CityWeather cityWeather = new CityWeather(weatherInfo);
if (cityWeather.City == "Los Angeles")
{
LosAngelesWeather = cityWeather;
}
if (cityWeather.WeatherDescriptions != null && cityWeather.WeatherDescriptions.Count > 0)
{
cityWeather.WeatherIconPath = OpenWeatherIconPathPrefix + cityWeather.WeatherDescriptions[0].IconName + ".png";
}
string cityWithId = string.Format("{0};{1}", cityWeather.City, cityWeather.CityID);
if (capitalNames.Contains(cityWeather.City) || capitalNames.Contains(cityWithId))
{
citiesWeather.Add(cityWeather);
}
}
weatherInCities = citiesWeather;
RaiseReadComplete();
});
}
public void GetForecastForCityAsync(CityWeather cityWeather) {
string link = "http://api.openweathermap.org/data/2.5/forecast?units=metric&id=" + cityWeather.CityID.ToString();
if (forecastClient.IsBusy)
return;
forecastClient.OpenReadCompleted += forecastClient_OpenReadCompleted;
forecastClient.OpenReadAsync(new Uri(link), cityWeather);
}
void weatherClient_OpenReadCompleted(object sender, OpenReadCompletedEventArgs e) {
WebClient weatherClient = sender as WebClient;
weatherClient.OpenReadCompleted -= weatherClient_OpenReadCompleted;
if(e.Cancelled || e.Error != null)
return;
Stream stream = e.Result;
Task.Factory.StartNew(() => {
DataContractJsonSerializer dc = new DataContractJsonSerializer(typeof(WorldWeatherInfo));
WorldWeatherInfo worldWeatherInfo = (WorldWeatherInfo)dc.ReadObject(stream);
List<CityWeather> citiesWeather = new List<CityWeather>();
foreach(CityCurrentWeatherInfo weatherInfo in worldWeatherInfo.list) {
CityWeather cityWeather = new CityWeather(weatherInfo);
if(cityWeather.City == "Los Angeles")
LosAngelesWeather = cityWeather;
if(cityWeather.WeatherDescriptions != null && cityWeather.WeatherDescriptions.Count > 0)
cityWeather.WeatherIconPath = OpenWeatherIconPathPrefix + cityWeather.WeatherDescriptions[0].IconName + ".png";
string cityWithId = string.Format("{0};{1}", cityWeather.City, cityWeather.CityID);
if(capitalNames.Contains(cityWeather.City) || capitalNames.Contains(cityWithId))
citiesWeather.Add(cityWeather);
}
weatherInCities = citiesWeather;
RaiseReadComplete();
});
}
void LoadWeatherPicture(CityWeather cityWeatherInfo) {
this.chartControl1.Series[0].DataSource = cityWeatherInfo.Forecast;
lbCity.Text = cityWeatherInfo.City;
lbTemperature.Text = cityWeatherInfo.Weather.GetTemperatureString(actualMeasureUnits);
peWeatherIcon.LoadAsync(cityWeatherInfo.WeatherIconPath);
}