private void OnChoose(object sender, RoutedEventArgs e)
{
var memos = memoList.Children.ToList();
foreach (var one in memos)
{
MemoView memoBlock = one as MemoView;
memoBlock.Selected = false;
memoBlock.Tapped -= memoBlock.ClickToModify;
memoBlock.Tapped += memoBlock.ClickToSelect;
memoBlock.Holding -= OnChoose;
memoBlock.RightTapped -= OnChoose;
}
// change the state of the first selected one
var firstMemo = sender as MemoView;
firstMemo.ClickToSelect(firstMemo, e);
// change view of cancel Button
var cancelBtn = MainPage.Instance.CancelButton;
cancelBtn.Visibility = Visibility.Visible;
cancelBtn.Click += OnCancelChoose;
// hide add and camera, show delete
MainPage.Instance.PlusButton.Visibility = Visibility.Collapsed;
MainPage.Instance.CameraButton.Visibility = Visibility.Collapsed;
MainPage.Instance.DeleteButton.Visibility = Visibility.Visible;
}
private void OnCancelChoose(object sender, RoutedEventArgs e)
{
// change states of memoBlocks
var memos = memoList.Children.ToList();
foreach (var one in memos)
{
MemoView memoBlock = one as MemoView;
memoBlock.Selected = false;
memoBlock.Tapped += memoBlock.ClickToModify;
memoBlock.Tapped -= memoBlock.ClickToSelect;
memoBlock.Holding += OnChoose;
memoBlock.RightTapped += OnChoose;
}
// hide cancel Button
var cancelBtn = MainPage.Instance.CancelButton;
cancelBtn.Visibility = Visibility.Collapsed;
cancelBtn.Click -= OnCancelChoose;
// show add and camera, hide delete
MainPage.Instance.PlusButton.Visibility = Visibility.Visible;
MainPage.Instance.CameraButton.Visibility = Visibility.Visible;
MainPage.Instance.DeleteButton.Visibility = Visibility.Collapsed;
}
private async void LoadMemos()
{
IList <Memo> memos = new List <Memo>();
try
{
// from server-end
var temp = await NetHelper.GetAllMemos(Preference.GetUserID());
memos = MemoSort.SortByTime(temp);
}
catch (Exception e)
{
Debug.WriteLine(e.Message);
// from local DB
var temp = DBHelper.GetAllMemo();
memos = MemoSort.SortByTime(temp);
}
foreach (var memo in memos)
{
var memoBlock = new MemoView(memo);
memoBlock.Holding += OnChoose;
memoBlock.RightTapped += OnChoose;
memoList.Children.Add(memoBlock);
}
}
private async void OnDelete(object sender, RoutedEventArgs e)
{
var memos = memoList.Children.ToList();
memoList.Children.Clear();
foreach (var one in memos)
{
MemoView memoBlock = one as MemoView;
if (!memoBlock.Selected)
{
memoList.Children.Add(memoBlock);
}
else
{
UnsyncQueue.Instance.Enqueue(new DeleteMemoOperation(memoBlock.Memo.MemoID));
DBHelper.DeleteMemo(memoBlock.Memo);
NotificationHelper.RemoveToastFromSchedule(memoBlock.Memo);
}
}
OnCancelChoose(null, e);
}