private async void CityList_SelectionChanged_1(object sender, SelectionChangedEventArgs e)
{
int index = CityList.SelectedIndex;
if (index == -1)
{
return;
}
ListBox listBox = sender as ListBox;
City city = null;
if (listBox.Tag is State)
{
State state = listBox.Tag as State;
city = state._cities[index];
}
if (listBox.Tag is SubContinent)
{
SubContinent subContinent = listBox.Tag as SubContinent;
city = subContinent._stateOrCityList[index] as City;
}
await SampleDataSource.ChangeCity(city._UrlToken);
// Use the navigation frame to return to the previous page
itemDetailPage.UpdateTitle();
if (this.Frame != null && this.Frame.CanGoBack)
{
this.Frame.GoBack();
}
}
private void StateList_SelectionChanged_1(object sender, SelectionChangedEventArgs e)
{
int index = StateList.SelectedIndex;
// ignore invalid index (caused by items.clear() below)
if (index == -1)
{
return;
}
ListBox listBox = sender as ListBox;
SubContinent subContinent = listBox.Tag as SubContinent;
StateOrCity stateOrCity = subContinent._stateOrCityList[index];
State state = stateOrCity as State;
// StateList.Items.Clear();
CityList.Items.Clear();
CityList.Tag = state;
foreach (City city in state._cities)
{
ListBoxItem item = new ListBoxItem();
TextBlock textBlock = new TextBlock();
item.Content = textBlock;
textBlock.Text = city._Name;
CityList.Items.Add(item);
CityScroller.Visibility = Visibility.Visible;
}
}
private void SubContinentList_SelectionChanged_1(object sender, SelectionChangedEventArgs e)
{
int index = SubContinentList.SelectedIndex;
if (index == -1)
{
return;
}
SubContinent[] subContinents = Calender2.Data.CityData.GetCityData();
SubContinent subContinent = subContinents[index];
ListBox listBoxToUse;
ScrollViewer scrollerToUse;
if (subContinent._stateOrCityList[0] is State)
{
listBoxToUse = StateList;
scrollerToUse = StateScroller;
}
else
{
// Hide state list
StateScroller.Visibility = Visibility.Collapsed;
listBoxToUse = CityList;
scrollerToUse = CityScroller;
}
listBoxToUse.Items.Clear();
listBoxToUse.Tag = subContinent;
foreach (StateOrCity stateOrCity in subContinent._stateOrCityList)
{
ListBoxItem item = new ListBoxItem();
TextBlock textBlock = new TextBlock();
item.Content = textBlock;
textBlock.Text = stateOrCity._Name;
listBoxToUse.Items.Add(item);
}
scrollerToUse.Visibility = Visibility.Visible;
}
