/// <summary>
/// Checks if 'search' and 'countryId' parameters exist
/// If 'search' exists, get the filtered results
/// If 'countryId' exists, get the data for the corresponding country
/// </summary>
/// <param name="e"></param>
protected async override void OnNavigatedTo(NavigationEventArgs e)
{
listbox.Opacity = 0;
textBoxSearch.Text = String.Empty;
textBoxSearch.Visibility = System.Windows.Visibility.Collapsed;
if (NavigationContext.QueryString.ContainsKey("search"))
{
sortCounter = 0;
string searchTerm = NavigationContext.QueryString["search"];
CityModel cm = new CityModel()
{
Cities = model.Cities.Where(x => x.Name.Contains(searchTerm)).ToList()
};
DataContext = cm;
if (isMapVisible)
{
map.Visibility = System.Windows.Visibility.Visible;
SetMapCenter(true);
}
}
else if (NavigationContext.QueryString.ContainsKey("countryId"))
{
SystemTray.ProgressIndicator = new ProgressIndicator();
ProgressIndicatorHelper.SetProgressBar(true, AppResources.ProgressIndicatorCities);
//get id for retrieving country data
int selectedCountryId = Int32.Parse(NavigationContext.QueryString["countryId"]);
//get the value which will help to determine if map was visible or not
isMapVisible = bool.Parse(NavigationContext.QueryString["mapVisible"]);
cityCoordinates = new double[2];
//countryCoordinates = new double[2];
//double.TryParse(NavigationContext.QueryString["lat"], out countryCoordinates[0]);
//double.TryParse(NavigationContext.QueryString["lon"], out countryCoordinates[1]);
//Get the CityData based on selectedCountryId
model = new CityModel()
{
Cities = await App.MobileService.GetTable<CityData>().
Where(x => x.CountryId == selectedCountryId).ToListAsync()
};
//find index of city with highest rating
int index = 0;
float temp = model.Cities[index].Rating;
for (int i = 1; i < model.Cities.Count; i++)
{
if (model.Cities[i].Rating > temp)
{
temp = model.Cities[i].Rating;
index = i;
}
}
//find geocoordinates of the city with highest rating
FindGeoCoordinates(model.Cities[index].Name);
//if map was visible, set it visible and center it to selected country coordinates
if (isMapVisible)
map.Visibility = System.Windows.Visibility.Visible;
DataContext = model;
ProgressIndicatorHelper.SetProgressBar(false, null);
}
AnimationHelper.Fade(listbox, 1, 700, new PropertyPath(OpacityProperty));
}
/// <summary>
/// Sorts the city list by highest rating, and alphabetically (both ascending and descending)
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void sortIconButton_Click(object sender, EventArgs e)
{
if (sortCounter == 0)
DataContext = new CityModel() { Cities = (DataContext as CityModel).
Cities.OrderByDescending(x => x.Rating).ToList() };
else if (sortCounter == 1)
DataContext = new CityModel() { Cities = (DataContext as CityModel).
Cities.OrderByDescending(x => x.Name).ToList() };
else
DataContext = new CityModel() { Cities = (DataContext as CityModel).
Cities.OrderBy(x => x.Name).ToList() };
sortCounter += 1;
if (sortCounter == 3)
sortCounter = 0;
}
