/// <summary>
/// Returns the correct icon based on the Condition enum
/// </summary>
/// <param name="codeCond"></param>
/// <returns></returns>
public WriteableBitmap getIconByCondition(City.ConditionEnum codeCond)
{
if (codeCond.Equals(City.ConditionEnum.Cloud))
{
return getCloudyWeather();
}
else if (codeCond.Equals(City.ConditionEnum.Fair))
{
return getFairWeather();
}
else if (codeCond.Equals(City.ConditionEnum.Fog))
{
return getFoggyWeather();
}
else if (codeCond.Equals(City.ConditionEnum.Hail))
{
return getHailWeather();
}
else if (codeCond.Equals(City.ConditionEnum.Rain))
{
return getRainyWeather();
}
else if (codeCond.Equals(City.ConditionEnum.Snow))
{
return getSnowyWeather();
}
else if (codeCond.Equals(City.ConditionEnum.Storm))
{
return getStormWeather();
}
else
{
return getSunnyWeather();
}
}
/// <summary>
/// Saves the city object to local storage
/// </summary>
/// <param name="city"></param>
public static void SaveCityToIsolatedStorage(City city)
{
// persist the data using isolated storage
using (var store = IsolatedStorageFile.GetUserStoreForApplication())
using (var stream = new IsolatedStorageFileStream("data.txt",
FileMode.Create,
FileAccess.Write,
store))
{
var serializer = new XmlSerializer(typeof(City));
serializer.Serialize(stream, city);
}
}
/// <summary>
/// Loads the city from the state object
/// </summary>
/// <param name="e"></param>
protected override void OnNavigatedTo(System.Windows.Navigation.NavigationEventArgs e)
{
base.OnNavigatedTo(e);
city = ApplicationStateHelper.LoadCityFromAppState();
if (city != null)
{
cityTextBox.Text = city.Name;
}
else
{
city = new City();
}
}
/// <summary>
/// Loads the city from the state and populates the screen
/// </summary>
/// <param name="e"></param>
protected override void OnNavigatedTo(System.Windows.Navigation.NavigationEventArgs e)
{
try
{
city = ApplicationStateHelper.LoadCityFromAppState();
if (city != null)
{
cityTextBox.Text = city.Name;
conditionValue.Text = city.Condition;
temperatureValue.Text = city.Temperature;
conditionImage.Source = conditionIconHandler.getIconByCondition(city.getConditionEnum());
}
}
catch (System.ArgumentNullException)
{
MessageBox.Show(Utils.GetMessage("UnableToRetrieveWeather"));
}
base.OnNavigatedTo(e);
}
/// <summary>
/// Saves the state of the app by storing the city object
/// </summary>
/// <param name="city"></param>
public static void SaveCityToAppState(City city)
{
PhoneApplicationService.Current.State[City.KEY] = city;
}
