private async void IsComplete_Click(object sender, RoutedEventArgs e)
{
// There is two way data binding going on - so what we don't need to do is worry
// about storing the data. This is purely about refreshing the view on the basis
// of changes
// The thing being clicked isn't necessarily selected. So we need to fix that
CheckBox checkbox = e.OriginalSource as CheckBox;
ListViewItem container = checkbox.AllAncestry().First(el => el is ListViewItem) as ListViewItem;
// It is really important we mark the container as selected. If we don't then we
// get crashes on sort.
container.IsSelected = true;
// Similarly we need to make a note of the selected action
ActionItemManager.Selected = this.ActionItems.ItemFromContainer(container) as ActionItem;
this.AlterSelectionIfRequired();
// Now sort and select
ActionItemManager.Actions.Sort();
this.SelectActionItemAndScroll();
// And save
await ActionItemManager.SaveAsync();
}
protected override async void OnNavigatedFrom(NavigationEventArgs e)
{
if (string.IsNullOrEmpty(this.ActionItem.Raw))
{
ActionItemManager.Delete(this.ActionItem);
}
else
{
// Try and save first...
await ActionItemManager.SaveAsync();
}
// As you were
base.OnNavigatedFrom(e);
SystemNavigationManager.GetForCurrentView().BackRequested -= EditPage_BackRequested;
}
private async void SelectedIsComplete_Toggle()
{
// Only do anything if something is selected otherwise badness will happen
if (ActionItemManager.Selected != null)
{
// We do need to worry about setting data here since this is non-standard
ActionItemManager.Selected.IsComplete = !ActionItemManager.Selected.IsComplete;
this.AlterSelectionIfRequired();
// And save
await ActionItemManager.SaveAsync();
// Now sort
ActionItemManager.Actions.Sort();
this.SelectActionItemAndScroll();
}
}
private async Task DeleteAsync()
{
IList <ActionItem> toBeDeleted = new List <ActionItem>();
// We have to make a temporary list of things to delete as doing so in the loop
// will invalidate the IEnumerable
foreach (ActionItem actionItem in this.ActionItems.SelectedItems)
{
toBeDeleted.Add(actionItem);
}
foreach (var actionItem in toBeDeleted)
{
ActionItemManager.Delete(actionItem);
}
await ActionItemManager.SaveAsync();
}
