/// <summary>
/// Override OnNavigatedTo.
/// Author: ChuyangLiu
/// </summary>
protected override void OnNavigatedTo(NavigationEventArgs e)
{
EditTodoPageViewModel vm = e.Parameter as EditTodoPageViewModel;
if (e != null)
{
ViewModel = vm;
}
else
{
ViewModel = new EditTodoPageViewModel();
}
// Update delete button visibility
if (ViewModel.TodoItem == null)
{
deleteBtn.Visibility = Visibility.Collapsed;
ShareBtn.Visibility = Visibility.Collapsed;
UpdateTileBtn.Visibility = Visibility.Collapsed;
}
else
{
deleteBtn.Visibility = Visibility.Visible;
ShareBtn.Visibility = Visibility.Visible;
UpdateTileBtn.Visibility = Visibility.Visible;
}
//Add event handler
dtm = DataTransferManager.GetForCurrentView();
dtm.DataRequested += dtm_DataRequested;
}
/// <summary>
/// Add button click event.
/// Author: ChuyangLiu
/// </summary>
private void AddButton_Click(object sender, RoutedEventArgs e)
{
EditTodoPageViewModel vm = new EditTodoPageViewModel {
TodoItem = null,
Year = ViewModel.Year,
Month = ViewModel.Month,
Day = ViewModel.Day
};
Frame.Navigate(typeof(EditTodoPage), vm);
}
private void ListView_ItemClick(object sender, ItemClickEventArgs e)
{
TodoItem item = e.ClickedItem as TodoItem;
EditTodoPageViewModel vm = new EditTodoPageViewModel {
TodoItem = item,
Year = ViewModel.Year,
Month = ViewModel.Month,
Day = ViewModel.Day
};
Frame.Navigate(typeof(EditTodoPage), vm);
}