private void AddAutoSuggestMultipleItem(ObservableCollection <BindableDynamicDictionary> items)
{
var item = new BindableDynamicDictionary();
string fieldName = AutoSuggestMultipleFieldName();
item[AutoSuggestMultipleTextPath(fieldName)] = "";
item[AutoSuggestSourceName(fieldName)] = new ObservableCollection <string>();
item[BusyBindModelName(fieldName)] = false; // populating the item source or not...
items.Add(item);
}
private void SetupTimerForAutoComplete(BindableDynamicDictionary model,
string fieldName,
AutoCompleteBox tb,
Func <string, IEnumerable <string> > itemsGenerator)
{
string timerName = TimerName(fieldName);
var timer = new System.Windows.Threading.DispatcherTimer
{
Interval = TimeSpan.FromMilliseconds(600)
};
timer.Tick += (sender, args) =>
{
timer.Stop(); // stop the timer, so that it can be started again the next time someone types
PopulateAutoComplete(tb, itemsGenerator, model, fieldName);
};
model[timerName] = timer; // may need to save this...
}
private void PopulateAutoComplete(AutoCompleteBox tb,
Func <string, IEnumerable <string> > itemsGenerator,
BindableDynamicDictionary model,
string itemFieldName)
{
var source = model[AutoSuggestSourceName(itemFieldName)] as ObservableCollection <string>;
string busyName = BusyBindModelName(itemFieldName);
model[busyName] = true;
string textBoxTextCopy = tb.Text;
Thread t = new Thread(() =>
{
try
{
var items = itemsGenerator(textBoxTextCopy);
tb.Dispatcher.Invoke(() =>
{
source.Clear();
foreach (string i in items)
{
source.Add(i);
}
});
}
catch (Exception ex)
{
}
finally
{
tb.Dispatcher.Invoke(() =>
{
model[busyName] = false;
});
}
});
t.Start();
}
