private void UpdateButton_OnClick(object sender, RoutedEventArgs e)
{
var fe = sender as FrameworkElement;
var item = fe.DataContext as TaskItem;
var sFlyout = fe.FindName("SingleTaskFlyout") as StackPanel;
var mFlyout = fe.FindName("MultiTaskFlyout") as Grid;
if (item is SingleTaskItem)
{
sFlyout.Visibility = Visibility.Visible;
mFlyout.Visibility = Visibility.Collapsed;
FlyoutBase.ShowAttachedFlyout(fe);
_singleTaskItem = (SingleTaskItem)item;
}
else
{
sFlyout.Visibility = Visibility.Collapsed;
mFlyout.Visibility = Visibility.Visible;
var listview = mFlyout.FindName("SimpleTaskList") as ListView;
var multiTaskItem = item as MultiTaskItem;
listview.ItemsSource = multiTaskItem.SimpleTaskItems;
FlyoutBase.ShowAttachedFlyout(fe);
_multiTaskItem = multiTaskItem;
}
}
protected override void OnNavigatedTo(NavigationEventArgs e)
{
base.OnNavigatedTo(e);
_multiTaskItem = (MultiTaskItem)e.Parameter;
_simpleTaskItems = _multiTaskItem != null
? _multiTaskItem.SimpleTaskItems
: new ObservableCollection <SimpleTaskItem>();
if (string.IsNullOrEmpty(GroupBox.PlaceholderText))
{
GroupBox.PlaceholderText = "默认分组";
}
//从数据库获取分组列表
}
