private async void ForwardButton_Click(object sender, RoutedEventArgs e)
{
_currentPage++;
BackButton.IsEnabled = _currentPage >= 2 ? true : false;
string html =
await
_rapSheetManager.GetRapSheet(Constants.BASE_URL + Constants.RAP_SHEET +
string.Format(Constants.PAGE_NUMBER, _currentPage));
RapSheetWebView.NavigateToString(html);
}
/// <summary>
/// Populates the page with content passed during navigation. Any saved state is also
/// provided when recreating a page from a prior session.
/// </summary>
/// <param name="sender">
/// The source of the event; typically <see cref="NavigationHelper" />
/// </param>
/// <param name="e">
/// Event data that provides both the navigation parameter passed to
/// <see cref="Frame.Navigate(Type, Object)" /> when this page was initially requested and
/// a dictionary of state preserved by this page during an earlier
/// session. The state will be null the first time a page is visited.
/// </param>
private async void navigationHelper_LoadState(object sender, LoadStateEventArgs e)
{
ForwardButton.IsEnabled = true;
BackButton.IsEnabled = false;
string html;
if (e.NavigationParameter != null && !string.IsNullOrEmpty((string)e.NavigationParameter))
{
long userId = Convert.ToInt64(e.NavigationParameter);
ForwardButton.IsEnabled = false;
html = await
_rapSheetManager.GetRapSheet(Constants.BASE_URL +
string.Format(Constants.USER_RAP_SHEET, userId));
NoRapSheetTextBlock.Text =
string.Format(
"This user has not done anything stupid yet.{0}Sorry to disappoint you, so look at this instead.{0}{1}", System.Environment.NewLine,
Constants.ASCII_3);
}
else
{
html = await _rapSheetManager.GetRapSheet(Constants.BASE_URL + Constants.RAP_SHEET);
NoRapSheetTextBlock.Text =
string.Format(
"Everyone is perfect and has no flaws.{0}Sorry to disappoint you, so look at this instead.{0}{1}", System.Environment.NewLine,
Constants.ASCII_3);
}
RapSheetWebView.NavigateToString(html);
if (!string.IsNullOrEmpty(html))
{
return;
}
ForwardButton.IsEnabled = false;
RapSheetWebView.Visibility = Visibility.Collapsed;
NoRapSheetTextBlock.Visibility = Visibility.Visible;
}