async void listNotes_ItemSelected(System.Object sender, Xamarin.Forms.SelectedItemChangedEventArgs e)
{
if (e.SelectedItem != null && e.SelectedItem is ConcernNote)
{
ConcernNote note = e.SelectedItem as ConcernNote;
if (note.Key == null)
{
return;
}
string action = await DisplayActionSheet("Note selection action", null, null, "No Action", "Edit", "Delete");
switch (action)
{
case "Edit":
EditNote(note);
break;
case "Delete":
DeleteNote(note);
break;
default:
break;
}
}
listNotes.ItemsSource = null;
listNotes.ItemsSource = SetUpNotesListItemSource();
}
private List <ConcernNote> SetUpNotesListItemSource()
{
if (notesKey != null)
{
DrawData.Notes.TryGetValue(notesKey, out List <ConcernNote> info);
return(info?.OrderByDescending(x => x.Time).ToList());
}
else
{
List <ConcernNote> noteListTemp = new List <ConcernNote>();
List <string> noteKeyListData = DrawData.Notes.Keys.ToList();
foreach (string keyUsed in noteKeyListData)
{
DrawData.Notes.TryGetValue(keyUsed, out List <ConcernNote> info);
List <ConcernNote> t2 = info?.OrderByDescending(x => x.Time).ToList();
foreach (ConcernNote noteItem in t2)
{
ConcernNote nn = new ConcernNote
{
Message = keyUsed + " - " + noteItem.Message,
Time = noteItem.Time
};
noteListTemp.Add(nn);
}
}
return(noteListTemp);
}
}
private void DeleteNote(ConcernNote note)
{
bool ok = DrawData.Notes.TryGetValue(note.Key, out List <ConcernNote> notesFound);
if (ok)
{
ConcernNote matched = notesFound.Find(x => x.ID == note.ID);
if (matched != null)
{
notesFound.Remove(matched);
}
}
}
private async void EditNote(ConcernNote note)
{
bool ok = DrawData.Notes.TryGetValue(note.Key, out List <ConcernNote> notesFound);
if (ok)
{
ConcernNote matched = notesFound.Find(x => x.ID == note.ID);
if (matched != null)
{
string result = await DisplayPromptAsync("Edit Information", $"Notes on {note.Key} Area?",
placeholder : "Add more information", keyboard : Keyboard.Text, initialValue : matched.Message);
if (!string.IsNullOrEmpty(result))
{
matched.Message = result;
}
}
}
}